gcc/ChangeLog

   1 2012-02-06  Richard Guenther  <rguenther@suse.de>
   2
   3         PR tree-optimization/50955
   4         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
   5         raise cost of expressions that replace an address with an
   6         expression based on a different pointer.
   7
   8 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
   9
  10         PR target/52129
  11         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
  12         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
  13
  14 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
  15
  16         PR c++/48680
  17         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
  18         -Weffc++ and specify guidelines come from second edition.
  19
  20 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
  21
  22         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
  23         (sibcall_value_multiple_internal, call_split, call_internal_direct)
  24         (call_direct_split, call_value_split, call_value_internal_direct)
  25         (call_value_direct_split, call_value_multiple_split): Use jal and
  26         jal_macro attributes.
  27
  28 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
  29
  30         * reload1.c (reload_regs_reach_end_p): Replace with...
  31         (reload_reg_rtx_reaches_end_p): ...this function.
  32         (new_spill_reg_store): Update commentary.
  33         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
  34         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
  35         before setting new_spill_reg_store.
  36         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
  37         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
  38         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
  39         for non-spill reload registers.
  40
  41 2012-02-05  Ira Rosen  <irar@il.ibm.com>
  42
  43         PR tree-optimization/52091
  44         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
  45         (vect_is_simple_use_1): Likewise.
  46         * tree-vect-loop.c (vectorizable_reduction): Update calls
  47         to vect_is_simple_use_1 and vect_is_simple_use.
  48         (vectorizable_live_operation): Likewise.
  49         * tree-vect-patterns.c (widened_name_p,
  50         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
  51         Likewise.
  52         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
  53         vectorizable_call, vectorizable_conversion,
  54         vectorizable_assignment, vectorizable_shift,
  55         vectorizable_operation, vectorizable_store, vectorizable_load):
  56         Likewise.
  57         (vect_is_simple_cond): Add an argument, pass it to
  58         vect_is_simple_use_1.
  59         (vectorizable_condition): Update calls to vect_is_simple_cond,
  60         vect_is_simple_use.
  61         (vect_is_simple_use): Add an argument, the statement in which
  62         OPERAND is used.  Check that if OPERAND's def stmt is a double
  63         reduction phi node, the use is a phi node too.
  64         (vect_is_simple_use_1): Add an argument, pass it to
  65         vect_is_simple_use.
  66         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
  67         to vect_is_simple_use.
  68
  69 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
  70
  71         PR rtl-optimization/52095
  72         * modulo-sched.c (dump_insn_locator): New function.
  73         (loop_canon_p, sms_schedule): Use it.
  74
  75         PR rtl-optimization/52113
  76         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
  77         even for decomposable shift/zext insns.
  78
  79 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
  80             Zdenek Dvorak  <ook@ucw.cz>
  81
  82         PR rtl-optimization/52092
  83         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
  84         on get_iv_value result.
  85
  86 2012-02-02  Andrew Pinski  <apinski@cavium.com>
  87
  88         PR middle-end/47982
  89         PR middle-end/43967
  90         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
  91
  92 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
  93
  94         PR middle-end/48071
  95         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
  96
  97 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
  98
  99         PR rtl-optimization/49800
 100         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 101         (sched_finish): Call regstat_free_n_sets_and_refs.
 102
 103 2012-02-02  Jia Liu  <proljc@gmail.com>
 104
 105         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 106         than operand 2.
 107
 108 2012-02-02 Jan Hubicka  <jh@suse.cz>
 109            Tom de Vries  <tom@codesourcery.com>
 110
 111         PR middle-end/51998
 112         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 113         * varpool.c (varpool_analyze_pending_decls): Likewise.
 114
 115 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 116             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 117
 118         * config.gcc: Add cr16-* support.
 119
 120         * doc/extend.texi: Document cr16 extensions.
 121         * doc/install.texi: Document cr16 install.
 122         * doc/invoke.texi: Document cr16 options.
 123         * doc/md.texi: Document cr16 constraints.
 124
 125         * common/config/cr16/cr16-common.c: New file.
 126         * config/cr16/cr16.c: New file.
 127         * config/cr16/cr16.h: New file.
 128         * config/cr16/cr16.md: New file.
 129         * config/cr16/cr16.opt: New file.
 130         * config/cr16/cr16-protos.h: New file.
 131         * config/cr16/predicates.md: New file.
 132         * config/cr16/constraints.md: New file.
 133         * config/cr16/t-cr16: New file.
 134
 135 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 136
 137         PR target/52086
 138         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 139         that operands[2] is either immediate, or q_regs_operand.
 140
 141         PR tree-optimization/52073
 142         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 143         a pattern stmt for pattern uses, ignore uses outside of the loop.
 144
 145 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 146
 147         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 148         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 149         (OUT_AS1, OUT_AS2): Remove.
 150
 151 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 152
 153         PR rtl-optimization/51374
 154         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 155         to cross other volatile_refs_p insns.
 156
 157 2012-02-01  Richard Guenther  <rguenther@suse.de>
 158
 159         * doc/invoke.texi (fno-inline): Clarify documentation.
 160         (finline-small-functions): Likewise.
 161         (finline-functions): Likewise.
 162         * common.opt (finline): Adjust comment and documentation.
 163         (finline-small-functions): Clarify documentation.
 164         (finline-functions): Likewise.
 165         (finline-functions-called-once): Likewise.
 166
 167 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 168
 169         * c-typeck.c (composite_type): Keep mode for pointers.
 170
 171 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 172
 173         * function.h (regno_reg_rtx): Adjust comment.
 174         * reginfo.c (init_reg_modes_target): Only use the previous mode
 175         if it fits within one register.  Remove MIPS comment.
 176
 177 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 178
 179         PR bootstrap/52058
 180         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 181
 182 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 183
 184         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 185         to srak instruction.
 186
 187 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 188
 189         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
 190         condition.
 191
 192 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 193
 194         PR bootstrap/52041
 195         PR bootstrap/52039
 196         PR target/51974
 197         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 198
 199 2012-01-31  Richard Guenther  <rguenther@suse.de>
 200
 201         PR tree-optimization/51528
 202         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 203         assigns.
 204
 205 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 206
 207         PR bootstrap/52041
 208         PR bootstrap/52039
 209         PR target/51974
 210         * ree.c (add_removable_extension): Change def_map argument
 211         to unsigned *, store in def_map 1 + offset into *insn_list vector
 212         instead of pointers into the vector.
 213         (find_removable_extensions): Adjust caller.
 214
 215 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 216
 217         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 218         Transform all "* quoted-c-code" to { c-code }.
 219         Remove redundant test for "optimize" in combine patterns.
 220         Move (include "avr-dimode.md") to end of file.
 221
 222 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 223
 224         PR target/51835
 225         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 226         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 227
 228 2012-01-30  Richard Guenther  <rguenther@suse.de>
 229
 230         PR tree-optimization/52028
 231         * tree-loop-distribution.c (ldist_gen): Properly update
 232         virtual SSA form.
 233
 234 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 235
 236         PR debug/52027
 237         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 238         set_cur_line_info_table if not emitting debug info.
 239
 240         PR tree-optimization/52046
 241         * tree-vect-patterns.c (check_bool_pattern): Give up if
 242         a comparison could throw.
 243
 244         PR debug/52048
 245         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 246
 247 2012-01-30  Richard Guenther  <rguenther@suse.de>
 248
 249         PR tree-optimization/52045
 250         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 251         SSA form if cfgcleanup did anything.
 252
 253 2012-01-30  Richard Guenther  <rguenther@suse.de>
 254
 255         PR tree-optimization/52045
 256         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 257         before computing final todo.
 258
 259 2012-01-30  Richard Guenther  <rguenther@suse.de>
 260
 261         PR tree-optimization/51528
 262         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 263         for PR51528 fix.
 264
 265 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 266
 267         * df-problems.c (df_kill_notes): Check that the use refers
 268         to the note under examination.
 269
 270 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 271
 272         PR target/51920
 273         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 274         parameter and use short-lived pseudos.
 275         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 276         (sparc_expand_vector_init): Const-ify local variables and adjust
 277         calls to above functions.
 278
 279 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 280
 281         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 282
 283 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 284
 285         * doc/invoke.texi: Make usage of "compile time" and
 286         "run time"/"runtime" consistent throughout the file.
 287
 288 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 289
 290         * config/alpha/alpha.c (alpha_option_overrride): Default to
 291         full IEEE compliance mode for Go language.
 292
 293 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 294
 295         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 296         (LINK_SSP_SPEC): Define.
 297
 298 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 299
 300         PR target/51871
 301         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 302         stubs.
 303
 304 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 305
 306         * doc/invoke.texi: Correct hyphenation of "floating point",
 307         "double precision", and related terminology throughout the file.
 308
 309 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 310
 311         PR target/52006
 312         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 313         arm_general_register_operand predicate for operand 2 instead of
 314         register_operand.
 315
 316 2012-01-27  Ian Lance Taylor  <iant@google.com>
 317
 318         PR go/47656
 319         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 320         * builtins.c (expand_builtin_init_trampoline): Add onstack
 321         parameter.  Change caller.
 322         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 323         * tree.c (build_common_builtin_nodes): Declare
 324         __builtin_init_heap_trampoline.
 325
 326 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 327
 328         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 329         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 330         * config/avr/avr.c: Ditto.
 331         (avr_regnames): Remove because unused.
 332         * config/avr/avr.md (*cpse.ne): New peephole.
 333         (*cpse.eq): New peephole from former cpse peepholes.
 334
 335 2012-01-27  Michael Eager  <eager@eagercon.com>
 336
 337         * config/microblaze.c (microblaze_emit_compare): Correct
 338         test after pcmp instruction.
 339
 340 2012-01-27  Richard Guenther  <rguenther@suse.de>
 341
 342         PR tree-optimization/52020
 343         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 344
 345 2012-01-27  Richard Guenther  <rguenther@suse.de>
 346
 347         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 348         function non-const/pure.
 349
 350 2012-01-27  Richard Guenther  <rguenther@suse.de>
 351
 352         PR tree-optimization/50444
 353         * tree-sra.c (build_ref_for_offset): Properly adjust the
 354         MEM_REF type for unaligned accesses.
 355
 356 2012-01-27  Richard Guenther  <rguenther@suse.de>
 357
 358         PR tree-optimization/50444
 359         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 360         (expand_assignment): Use it.  Properly handle misaligned
 361         bases when expanding stores to component references.
 362         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 363         refactor that case.
 364
 365 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 366
 367         PR middle-end/51389
 368         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 369         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 370         * tree-data-ref.c (find_data_references_in_loop): Make static.
 371         (compute_all_dependences): Change return type to bool.  Bail out
 372         for too many datarefs in a loop.  Move the hunk resetting the data
 373         dependences vector from ...
 374         (compute_data_dependences_for_loop): ... here.  Account for
 375         compute_all_dependences returning false.
 376         (compute_data_dependences_for_bb): Likewise.
 377         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 378         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 379
 380 2012-01-27  Richard Guenther  <rguenther@suse.de>
 381
 382         PR middle-end/51959
 383         * expr.c (store_field): Use the alias-set of the scratch memory
 384         for storing to it.
 385
 386 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 387
 388         PR tree-optimization/51990
 389         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 390         WITH_SIZE_EXPR.
 391         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 392
 393 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 394
 395         PR debug/52001
 396         * var-tracking.c (reverse_op): Don't add any reverse operation
 397         if V already has any constant locations.
 398
 399 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 400
 401         * doc/invoke.texi: Correct usage of "command line" (noun)
 402         vs "command-line" (adjective) throughout.
 403
 404 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 405
 406         * doc/invoke.texi (Language Independent Options): Move
 407         -Wcoverage-mismatch blurb from here....
 408         (Warning Options): ...to here.
 409
 410 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 411
 412         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 413         Set rs6000_always_hint to false for 476.
 414
 415 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 416
 417         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 418           system root.
 419         * incpath.c (add_standard_paths): Likewise.
 420
 421 2012-01-27  Richard Henderson  <rth@redhat.com>
 422
 423         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 424         * config/m68k/sync.md (atomic_test_and_set): Rename from
 425         sync_test_and_setqi and adjust the operands.
 426         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 427         and unconditionally enable.
 428
 429 2012-01-27  Richard Henderson  <rth@redhat.com>
 430
 431         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 432         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 433         (ldstub): Rename from ldstubqi.
 434         (ldstub<I24MODE>): Remove.
 435
 436 2012-01-27  Richard Henderson  <rth@redhat.com>
 437
 438         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 439         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 440         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 441         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 442         * doc/tm.texi: Rebuild.
 443
 444 2012-01-27  Richard Henderson  <rth@redhat.com>
 445
 446         * optabs.c (gen_atomic_test_and_set): Remove default.
 447         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 448
 449 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 450
 451         PR rtl-optimization/51978
 452         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 453         (combine_reaching_defs): Likewise.
 454         (struct re_info): Remove.
 455         (add_removable_extension): Remove x and data arguments,
 456         add insn, insn_list and def_map.  Use the arguments directly
 457         instead of using struct re_info.
 458         (find_removable_extensions): Don't call add_removable_extension
 459         through note_stores, instead just call it with single_set
 460         result if non-NULL.
 461         (find_and_remove_re): Pass curr_cand->expr instead of
 462         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 463
 464 2012-01-26  Michael Matz  <matz@suse.de>
 465
 466         PR tree-optimization/46590
 467         * cfgexpand.c: Revert last change (r183305).
 468         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 469         regs.
 470         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 471         checking for emptiness.
 472
 473 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 474
 475         PR middle-end/51895
 476         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 477         non-addressable non-BLKmode base correctly.
 478
 479 2012-01-26  Michael Matz  <matz@suse.de>
 480
 481         PR tree-optimization/48794
 482         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 483         regions referenced from RESX/EH_DISPATCH.
 484
 485 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 486
 487         * config/s390/s390.h: Make BRANCH_COST an option.
 488         * config/s390/s390.opt: New option -mbranch-cost.
 489
 490 2012-01-26  Richard Henderson  <rth@redhat.com>
 491
 492         Revert 2012-01-24 change:
 493         * trans-mem.c (requires_barrier): Do not instrument thread local
 494         variables and emit save/restore for them.
 495
 496 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 497
 498         PR middle-end/51986
 499         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 500         for pat == 0.
 501
 502 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 503
 504         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 505         ASM_OPERANDS.
 506
 507 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 508
 509         PR target/49868
 510         Rename __pgm to __flash.
 511         Rename __pgm1 to __flash1.
 512         Rename __pgm2 to __flash2.
 513         Rename __pgm3 to __flash3.
 514         Rename __pgm4 to __flash4.
 515         Rename __pgm5 to __flash5.
 516         Rename __pgmx to __memx.
 517         * doc/extend.texi (AVR Named Address Spaces)
 518         Rename address space names as indicated above.
 519         * config/avr/avr.c (avr_addrspace): Ditto.
 520
 521         * config/avr/avr-protos.h
 522         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 523         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 524         * config/avr/predicates.md: Ditto.
 525         * config/avr/avr.c Ditto, and
 526         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 527         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 528
 529         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 530         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 531         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 532         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 533         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 534         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 535         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 536         * config/avr/avr.c: Ditto.
 537         * config/avr/avr.md: Ditto.
 538
 539 2012-01-25  Jason Merrill  <jason@redhat.com>
 540
 541         PR c++/51992
 542         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 543
 544 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 545
 546         PR tree-optimization/51987
 547         * tree-data-ref.c (get_references_in_stmt): Handle references in
 548         non-volatile GIMPLE_ASM.
 549
 550 2012-01-25  Richard Guenther  <rguenther@suse.de>
 551
 552         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 553         bases are dereferenced.
 554
 555 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 556
 557         PR rtl-optimization/48374
 558         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 559
 560 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 561
 562         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 563         compute_data_dependences_for_loop returns false.
 564         * tree-parloops.c (loop_parallel_p): Likewise.
 565
 566 2012-01-25  Richard Guenther  <rguenther@suse.de>
 567
 568         * tree.h (get_pointer_alignment_1): Declare.
 569         * builtins.c (get_pointer_alignment_1): New function.
 570         (get_pointer_alignment): Use it.
 571
 572 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 573
 574         PR rtl-optimization/48308
 575         * combine.c (enum undo_kind): Add UNDO_LINKS.
 576         (struct undo): Add member l to other_contents and where.
 577         (do_SUBST_LINK): New.
 578         (SUBST_LINK): New.
 579         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 580         (undo_all): Handle UNDO_LINKS.
 581
 582 2012-01-25  Richard Henderson  <rth@redhat.com>
 583
 584         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 585         mem inputs.
 586
 587 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 588
 589         * optabs.c (gen_atomic_test_and_set): Use each argument.
 590
 591 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 592
 593         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 594         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 595         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 596         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 597         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 598         TARGET_PAIRED_SINGLE_FLOAT.
 599
 600 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 601
 602         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 603         (in_struct, return_val): Remove MEM documentation.
 604         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 605         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 606         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 607         and MEM_SCALAR.
 608         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 609         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 610         * expr.c (store_field): Likewise.
 611         * function.c (assign_stack_temp_for_type): Likewise.
 612         * ifcvt.c (noce_try_cmove_arith): Likewise.
 613         * reload1.c (reload): Likewise.
 614         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 615         (alpha_set_memflags): Likewise.
 616         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 617
 618 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 619
 620         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 621         parameter.
 622         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 623         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 624         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 625         varies parameter.
 626         * cselib.c (cselib_rtx_varies_p): Delete.
 627         (cselib_invalidate_mem): Update call to canon_true_dependence.
 628         * dse.c (record_store, check_mem_read_rtx): Likewise.
 629         (scan_reads_nospill): Likewise.
 630         * cse.c (check_dependence): Likewise.
 631         (cse_rtx_varies_p): Delete.
 632         * expr.c (safe_from_p): Update call to true_dependence.
 633         * ira.c (validate_equiv_mem_from_store): Likewise.
 634         (memref_referenced_p): Likewise.
 635         * postreload-gcse.c (find_mem_conflicts): Likewise.
 636         * sched-deps.c (sched_analyze_2): Likewise.
 637         * store-motion.c (load_kills_store): Likewise.
 638         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 639         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 640         (compute_transp): Update call to canon_true_dependence.
 641
 642 2012-01-25  Richard Henderson  <rth@redhat.com>
 643
 644         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 645         (maybe_emit_atomic_test_and_set): New.
 646         (expand_sync_lock_test_and_set): Use it.
 647         (expand_atomic_test_and_set): Likewise.
 648         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 649         the implementation; clarify implementation defined details.
 650         * doc/md.texi (atomic_test_and_set): Document.
 651
 652 2012-01-25  Richard Henderson  <rth@redhat.com>
 653
 654         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 655
 656 2012-01-25  Richard Henderson  <rth@redhat.com>
 657
 658         PR target/51968
 659         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 660         to effect no-op split.
 661
 662 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 663
 664         PR lto/51698
 665         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 666         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 667         (BT_FN_VOID_PTR_INT_SIZE): New.
 668         (BT_FN_UINT_UINT_VAR): Remove.
 669         (BT_FN_UINT32_UINT32_VAR): New.
 670         (BT_FN_DOUBLE_VPTR): Remove.
 671         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 672
 673         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 674         (_ITM_changeTransactionMode): Same.
 675         (_ITM_memmoveRtWt): Change return type to void.
 676         (_ITM_memcpyRtWt): Same.
 677         (_ITM_memsetW): Same.
 678         (_ITM_RaRD): Change types to double.
 679         (_ITM_RD): Same.
 680         (_ITM_RaWD): Same.
 681         (_ITM_RfWD): Same.
 682
 683         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 684
 685 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 686             Patrick Marlier  <patrick.marlier@gmail.com>
 687
 688         * trans-mem.c (requires_barrier): Do not instrument thread local
 689         variables and emit save/restore for them.
 690
 691 2012-01-24  Jason Merrill  <jason@redhat.com>
 692
 693         PR c++/51812
 694         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 695         output static aliases.
 696
 697 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 698
 699         PR driver/47249
 700         * common.opt (-pie, -shared, pie, shared): Change from Common to
 701         Driver.
 702         * gcc.c (display_help): Display help for -pie and -shared.
 703
 704 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 705
 706         PR target/49868
 707         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 708         Remove note on size/offset limitation.
 709         (AVR Variable Attributes): Add example how to read data located
 710         with progmem.  Refer to named address spaces.
 711         * doc/invoke.texi (AVR Options): Fix typo.
 712
 713 2012-01-24  Richard Guenther  <rguenther@suse.de>
 714
 715         Forward-port to trunk
 716         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 717
 718         PR middle-end/45678
 719         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 720         op0 isn't sufficiently aligned and there is movmisalignM
 721         insn for mode, use it to load op0 into a temporary register.
 722
 723 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 724
 725         PR target/51957
 726         * target.def (const_not_ok_for_debug_p): New hook.
 727         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 728         documentation.
 729         * doc/tm.texi: Regenerated.
 730         * dwarf2out.c (const_ok_for_output_1): If
 731         targetm.const_not_ok_for_debug_p returns true, fail.
 732         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 733         function.
 734         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 735
 736 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 737
 738         PR target/51900
 739         * config/i386/predicates.md (symbolic_operand): Allow
 740         UNSPEC_PCREL as PIC expression for lea.
 741         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 742         * config/i386/i386.c (ix86_delegitimize_address): Handle
 743         UNSPEC_PCREL for none-MEM, too.
 744
 745 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 746
 747         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 748         (ipa_tm_create_version_alias): Same.
 749
 750 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 751
 752         PR libitm/51830
 753         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 754         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 755
 756 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 757             Patrick Marlier  <patrick.marlier@gmail.com>
 758             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 759
 760         PR lto/51916
 761         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 762         simple_object_start_read.
 763
 764 2012-01-23  Richard Guenther  <rguenther@suse.de>
 765
 766
 767         PR tree-optimization/51895
 768         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 769         parameter decomposition into BLKmode components.
 770
 771 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 772
 773         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 774         fake variables for restrict-qualified pointers whose pointed-to type
 775         contains a placeholder.
 776
 777 2012-01-23  Richard Guenther  <rguenther@suse.de>
 778
 779         PR tree-optimization/51949
 780         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 781
 782 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 783
 784         PR rtl-optimization/51933
 785         * ree.c (transform_ifelse): Return true right away if dstreg is
 786         already wider or equal to cand->mode.
 787         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 788         (make_defs_and_copies_lists): Remove defs_list and copies_list
 789         arguments, add state argument, just truncate state->work_list
 790         instead of always allocating and freeing the vector.  Assert that
 791         get_defs succeeds instead of returning 2.  Changed return type to bool.
 792         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 793         have ext_src_mode, see if it has been modified already with the
 794         right kind of extension and has been extended before from the
 795         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 796         just return true.  Remember the original mode in state->modified array.
 797         (combine_reaching_defs): Add state argument.  Don't allocate and
 798         free here def_list, copied_list and vec vectors, instead just
 799         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 800         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 801         Add state variable, clear vectors in it, initialize state.modified
 802         if needed.  Free all the vectors at the end and state.modified too.
 803         Don't skip a candidate if the extension expression has been modified.
 804
 805 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 806
 807         PR target/47096
 808         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 809          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 810         (extra_options) interix.opt -> i386/interix.opt"
 811         (extra_objs):Add winnt-stubs.o
 812         * configure.ac: Add interix to target_os .comm on PE check.
 813         * configure: Regenerate.
 814         * config/interix3.h: Delete and move bits to..
 815         * config/interix.h: Delete and move bits to..
 816         * config/i386/i386-interix3.h: Delete and move bits to..
 817         * config/i386/i386-interix.h: ..here.
 818         (TARGET_CPU_DEFAULT): Remove redefinition.
 819         (TARGET_ASM_CONSTRUCTOR): Undefine.
 820         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 821         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 822         (PTRDIFF_TYPE): Define.
 823         (LONG_DOUBLE_TYPE_SIZE): Define.
 824         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 825         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 826         (TARGET_SECTION_TYPE_FLAGS): Define.
 827         (ASM_DECLARE_FUNCTION_NAME): Define.
 828         (ASM_OUTPUT_EXTERNAL): Define.
 829         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 830         (ASM_OUTPUT_ALIGNED_BSS): Define.
 831         (PCC_BITFIELD_TYPE_MATTERS): Define.
 832         (USE_CONST_SECTION): Define.
 833         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 834         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 835         (SUPPORTS_ONE_ONLY): Remove.
 836         (I386_PE_STRIP_ENCODING): Define.
 837         * config/interix.opt: Delete and move bits to..
 838         * config/i386/interix.opt: ..here. New.
 839         (mpe-aligned-commons): Add.
 840         * config/i386/t-interix: Add copyright header.
 841         (winnt-stubs.o): Add rule.
 842
 843 2012-01-22  Jason Merrill  <jason@redhat.com>
 844
 845         PR c++/51832
 846         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 847         for extra name aliases.
 848
 849 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 850
 851         PR rtl-optimization/51924
 852         * ree.c (combine_set_extension): Improve debugging message.
 853         (combine_reaching_defs): Likewise.
 854         (get_defs): Rename confusingly named variable.
 855         (find_and_remove_re): Skip a candidate if the extension expression has
 856         been modified.
 857
 858 2012-01-21  Robert Millan  <rmh@gnu.org>
 859             Gerald Pfeifer  <gerald@pfeifer.com>
 860
 861         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 862         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 863
 864 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 865
 866         PR tree-optimization/51914
 867         * tree-vect-stmts.c (vectorizable_conversion): For
 868         cvt_type && modifier == WIDEN, put temporary with cvt_type
 869         at the beginning of vec_dsts and set vec_dest to temporary
 870         with vectype_out.
 871
 872 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 873
 874         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 875
 876 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 877
 878         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 879         * config/rs6000/rs6000.c: Likewise.
 880
 881 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 882
 883         PR target/51915
 884         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 885         output_move_double on a copy of operands array.
 886
 887 2012-01-20  Cary Coutant  <ccoutant@google.com>
 888             Dodji Seketeli  <dodji@redhat.com>
 889
 890         PR debug/45682
 891         * dwarf2out.c (copy_declaration_context): Return ref to parent
 892         of declaration DIE, if necessary.
 893         (remove_child_or_replace_with_skeleton): Add new parameter; update
 894         caller.  Place skeleton DIE under parent DIE of original declaration.
 895         Move call to copy_declaration_context to here ...
 896         (break_out_comdat_types): ... from here.
 897
 898 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 899
 900         PR rtl-optimization/51856
 901         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 902         flag to reloaded.
 903
 904 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 905
 906         PR target/51819
 907         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 908         hints for neon loads and stores.
 909
 910 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 911
 912         PR target/49868
 913         PR target/50887
 914         * doc/extend.texi (Named Address Spaces): Split into subsections.
 915         (AVR Named Address Spaces): New subsection.
 916         (M32C Named Address Spaces): New subsection.
 917         (RL78 Named Address Spaces): New subsection.
 918         (SPU Named Address Spaces): New subsection.
 919         (Variable Attributes): New anchor "AVR Variable Attributes".
 920         (AVR Variable Attributes): Rewrite and avoid wording
 921         "address space" in this context.
 922         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 923         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 924         (AVR Built-in Macros): New subsubsection therein.
 925         * doc/md.texi (AVR constraints): Remove "C04", "R".
 926
 927 2012-01-20  Richard Guenther  <rguenther@suse.de>
 928
 929         PR tree-optimization/51903
 930         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 931         when removing stmts.
 932
 933 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 934
 935         PR target/50313
 936         * config/arm/arm.c (arm_load_pic_register): Use
 937         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 938         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 939         (arm_pic_static_addr): Likewise.
 940         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 941         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 942         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 943         (pic_load_addr_unified): New.
 944
 945 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 946
 947         PR target/51106
 948         * function.c (instantiate_virtual_regs_in_insn): Use
 949         delete_insn_and_edges when removing a wrong asm insn.
 950
 951 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 952
 953         PR rtl-optimization/40761
 954         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 955         Add new member loop_num.
 956         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 957         (ira_build): Remove the parameter.
 958
 959         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 960         (ira.c): Do not build CFG loops for one region allocation.  Remove
 961         argument from ira_build call.
 962
 963         * ira-build.c (init_loop_tree_node): New function.
 964         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 965         loops are not built.
 966         (more_one_region_p): Check current_loops.
 967         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 968         built.
 969         (add_loop_to_tree): Process loop equal to NULL too.
 970         (form_loop_tree): Separate the case when CFG loops are not built.
 971         Use explicitly number for the root.
 972         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 973         an assertion.
 974         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 975         instead of loop->num.
 976         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 977         (mark_all_loops_for_removal): Ditto.
 978         (remove_unnecessary_regions): Separate the case when CFG loops
 979         are not built.
 980         (ira_build): Remove the parameter.  Use explicit number of regions
 981         when CFG loops are not built.
 982
 983         * ira-color.c (print_loop_title): Separate the case for the root node.
 984         Use loop_num instead of loop->num.
 985         (move_spill_restore): Use loop_num instead of loop->num.
 986
 987         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 988         (change_loop): Ditto.
 989         (change_loop): Use loop_num instead of loop->num.
 990
 991         * ira-lives.c (process_bb_node_lives): Ditto.
 992
 993         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 994
 995         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 996
 997 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 998
 999         PR libmudflap/40778
1000         * tree-mudflap.c (mf_artificial): New function.
1001         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1002         mx_register_decls, mudflap_enqueue_decl): Use it.
1003
1004         PR target/51876
1005         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1006         numbers in the insn pattern.
1007
1008 2012-01-19  Michael Matz  <matz@suse.de>
1009
1010         PR tree-optimization/46590
1011         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1012         use it in remembering which conflicts we already created.
1013         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1014         bitmap.
1015
1016 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1017
1018         PR lto/51280
1019         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1020         (merge_and_complain): Same.
1021
1022 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1023
1024         PR bootstrap/50237
1025         * config/initfini-array.h: Guard content of the header
1026         with #ifdef HAVE_INITFINI_ARRAY.
1027         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1028         Add initfini-array.h to tm_file here.
1029         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1030         * config.gcc: Don't add initfini-array.h to tm_file here.
1031         * configure: Regenerated.
1032
1033 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1034
1035         PR rtl-optimization/51505
1036         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1037         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1038         (df_note_bb_compute): Update the call to df_kill_notes.
1039
1040 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1041
1042         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1043
1044 2012-01-18  Richard Guenther  <rguenther@suse.de>
1045
1046         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1047         of conversions to void *.
1048
1049 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1050             Richard Sandiford  <rdsandiford@googlemail.com>
1051
1052         PR middle-end/50325
1053         PR middle-end/51192
1054         * optabs.h (simplify_expand_binop): Declare.
1055         * optabs.c (simplify_expand_binop): Make global.
1056         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1057         endian targets if the source cannot be exactly covered by word
1058         mode chunks.
1059
1060 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1061
1062         PR bootstrap/51872
1063         * hard-reg-set.h (struct hard_reg_set_container): New type.
1064         * target.h (struct hard_reg_set_container): Forward declare.
1065         * target.def (set_up_by_prologue): New target hook.
1066         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1067         * doc/tm.texi: Regenerated.
1068         * function.c (thread_prologue_and_epilogue_insns): Change
1069         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1070         Call targetm.set_up_by_prologue on it.
1071         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1072         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1073
1074 2012-01-17  Nick Clifton  <nickc@redhat.com>
1075
1076         * config/rx/rx.c (rx_can_use_simple_return): New function.
1077         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1078         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1079
1080 2012-01-17  Richard Guenther  <rguenther@suse.de>
1081
1082         PR middle-end/51782
1083         * expr.c (expand_assignment): Take address-space information
1084         from the address operand of MEM_REF and TARGET_MEM_REF.
1085         (expand_expr_real_1): Likewise.
1086
1087 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1088
1089         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1090         reload dump is requested.
1091
1092 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1093
1094         PR other/51165
1095         * trans-mem.c (requires_barrier): Call may_be_aliased.
1096
1097 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1098
1099         PR tree-optimization/51877
1100         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1101         call arguments and fndecls compare equal, instead return false if they
1102         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1103         both SSA_NAMEs that are valueized the same, or they satisfy
1104         operand_equal_p.
1105
1106 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1107
1108         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1109         Solaris 11+.
1110         * configure: Regenerate.
1111
1112 2012-01-16  Jan Hubicka  <jh@suse.cz>
1113
1114         PR c/12245
1115         PR c++/14179
1116         * convert.c (convert_to_integer): Use fold_convert for
1117         converting an INTEGER_CST to integer type.
1118
1119 2012-01-16  Jason Merrill  <jason@redhat.com>
1120
1121         PR c++/14179
1122         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1123
1124 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1125
1126         PR bootstrap/51860
1127         * config/s390/s390.c (s390_chunkify_start): Don't skip
1128         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1129         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1130         If insn is followed by NOTE_INSN_VAR_LOCATION or
1131         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1132         Don't use location of note insns.
1133
1134         PR tree-optimization/51865
1135         * tree-inline.c (tree_function_versioning): Call remap_decl
1136         on DECL_RESULT whenever it has VOID_TYPE_P type.
1137
1138 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1139
1140         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1141         for calls to locally-binding MIPS16 functions if only the return
1142         type uses float regs.
1143
1144 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1145             Richard Sandiford  <rdsandiford@googlemail.com>
1146
1147         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1148         (SYMBOL_32_HIGH): Likewise.
1149         (mips_output_tls_reloc_directive): Declare.
1150         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1151         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1152         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1153         (mips_lo_relocs, mips_hi_relocs): Make extern.
1154         (mips16_stub_function): Move up file.
1155         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1156         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1157         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1158         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1159         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1160         (mips_get_tp): Add MIPS16 support.
1161         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1162         Generalize DTPREL and TPREL handling.
1163         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1164         Add MIPS16 TLS support.
1165         (mips_output_tls_reloc_directive): New function.
1166         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1167         * config/mips/predicates.md (symbolic_operand_with_high)
1168         (tls_reloc_operand): New predicates.
1169         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1170         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1171         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1172         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1173         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1174         (*tls_get_tp_mips16_call_<mode>): Likewise.
1175
1176 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1177
1178         PR rtl-optimization/51821
1179         * recog.c (peep2_find_free_register): Determine clobbered registers
1180         from insn pattern.
1181
1182 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1183
1184         PR target/50925
1185         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1186         * config/avr/avr.c: Likewise.
1187         * config/avr/avr.h: Likewise.
1188
1189 2012-01-13  Ian Lance Taylor  <iant@google.com>
1190
1191         PR c++/50012
1192         * tree.h (TYPE_QUALS): Add cast to int.
1193         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1194
1195 2012-01-13  Ian Lance Taylor  <iant@google.com>
1196
1197         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1198         comparing param_index to VEC_length result.
1199
1200 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1201
1202         * c-decl.c: Do not include tree-mudflap.h
1203         * tree-optimize.c: Likewise.
1204         * Makefile.in: Update dependencies.
1205
1206 2012-01-13  Richard Guenther  <rguenther@suse.de>
1207
1208         PR middle-end/8081
1209         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1210         variable-sized result always use RSO.
1211
1212 2012-01-12  DJ Delorie  <dj@redhat.com>
1213
1214         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1215         pointer type, not just the default pointer type.
1216
1217 2012-01-09  Richard Henderson  <rth@redhat.com>
1218             Denis Chertykov  <chertykov@gmail.com>
1219
1220         PR target/50925
1221         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1222         * config/avr/avr.c (avr_can_eliminate): Simplify.
1223         (avr_initial_elimination_offset): Likewise.
1224         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1225         (expand_epilogue): Likewise.
1226         (avr_legitimize_address): Gut.
1227         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1228         (avr_hard_regno_nregs): New.
1229         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1230         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1231         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1232         add soft frame pointer.
1233         (CALL_USED_REGISTERS): Likewise.
1234         (REG_CLASS_CONTENTS): Likewise.
1235         (REGISTER_NAMES): Likewise.
1236         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1237         (HARD_FRAME_POINTER_REGNUM): New.
1238         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1239         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1240         remove the HARD_FRAME_POINTER self-elimination.
1241
1242 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1243
1244         PR target/51756
1245         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1246         DECL_EXTERNAL when checking for initializers of progmem variables.
1247
1248 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1249
1250         PR tree-optimization/51799
1251         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1252         that the last operation is a type demotion.
1253
1254 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1255
1256         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1257         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1258
1259 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1260
1261         PR bootstrap/51796
1262         * combine.c (distribute_notes): If i3 is a noreturn call,
1263         allow old_size to be equal to args_size and make sure the
1264         noreturn call gets REG_ARGS_SIZE note.
1265         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1266         on noreturn calls even when the delta is 0.
1267
1268 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1269
1270         * gcov.c (STRING_SIZE): Remove.
1271         (generate_results): Erase annotations for source files with no
1272         coverage information.
1273         (read_line): New.
1274         (output_lines): Use it.
1275
1276 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1277
1278         * gimple.h (gimplify_body): Remove first argument.
1279         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1280         pointer set here, instead just pass DATA to walk_tree.
1281         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1282         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1283         (unvisit_body): Likewise, but with unmark_visited.
1284         (gimplify_body): Remove BODY_P argument and adjust.
1285         (gimplify_function_tree): Adjust call to gimplify_body.
1286         * omp-low.c (finalize_task_copyfn): Likewise.
1287
1288 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1289
1290         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1291         (build_function_type_skip_args): Delete.
1292         * tree.c (build_function_type_skip_args): Make static and add
1293         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1294         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1295         pass it to build_function_type_skip_args.
1296         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1297         (tree_function_versioning): Likewise.
1298         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1299         build_function_decl_skip_args.
1300         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1301         and pass it to build_function_decl_skip_args/tree_function_versioning.
1302         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1303         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1304         * trans-mem.c (ipa_tm_create_version): Likewise.
1305         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1306         * tree-inline.c (declare_return_variable): Remove always-true test.
1307         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1308         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1309         * ipa-split.c (split_function): Skip the return value for the split
1310         part if it doesn't return.
1311
1312 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1313
1314         PR tree-optimization/49642
1315         * ipa-split.c (forbidden_dominators): New variable.
1316         (check_forbidden_calls): New function.
1317         (dominated_by_forbidden): Likewise.
1318         (consider_split): Check for forbidden dominators.
1319         (execute_split_functions): Initialize and free forbidden
1320         dominators info; call check_forbidden_calls.
1321
1322 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1323
1324         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1325
1326 2012-01-11  Nick Clifton  <nickc@redhat.com>
1327
1328         * config/rx/rx.md (return): Define pattern.
1329
1330 2012-01-11  Richard Guenther  <rguenther@suse.de>
1331
1332         * doc/extend.texi (malloc attribute): Adjust according to
1333         implementation.
1334
1335 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1336             Patrick Marlier  <patrick.marlier@gmail.com>
1337
1338         PR middle-end/51516
1339         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1340         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1341         (ipa_tm_note_irrevocable): Same.
1342         (ipa_tm_scan_irr_block): Same.
1343         (ipa_tm_decrement_clone_counts): Same.
1344         (ipa_tm_scan_irr_function): Same.
1345         (ipa_tm_create_version_alias): Same.
1346         (ipa_tm_create_version): Same.
1347         (ipa_tm_transform_calls_redirect): Same.
1348         (ipa_tm_transform_calls): Same.
1349         (ipa_tm_transform_transaction): Same.
1350         (ipa_tm_execute): Same.
1351
1352 2012-01-10  Richard Guenther  <rguenther@suse.de>
1353
1354         PR middle-end/51806
1355         * opts.c (common_handle_option): Handle -Werror.
1356
1357 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1358
1359         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1360         operand number.
1361
1362 2012-01-10  Jason Merrill  <jason@redhat.com>
1363
1364         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1365         information.
1366
1367 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1368
1369         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1370         supports R_386_TLS_GD_PLT reloc.
1371         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1372         supports R_386_TLS_LDM_PLT reloc.
1373         * configure: Regenerate.
1374         * config.in: Regenerate.
1375
1376 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1377
1378         PR target/49868
1379         Extend __pgmx semantics to linearize memory.
1380         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1381         determine if code comes inline or from libgcc.
1382         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1383         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1384         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1385         (movmemx_qi, movmemx_hi): New insns.
1386         (xload_<mode>_libgcc): Rewrite to new insn condition.
1387         (xload_<mode>): Remove insns.
1388         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1389         cases that don't satisfy avr_xload_libgcc_p().
1390         (avr_addr_space_convert): Allow converting in any direction.
1391         (avr_addr_space_subset_p): Return always true.
1392         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1393         (avr_emit_movmemhi): Ditto.
1394         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1395         (avr_out_movmem): Ditto.
1396         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1397         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1398         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1399         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1400         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1401
1402 2012-01-10  Richard Guenther  <rguenther@suse.de>
1403
1404         PR tree-optimization/50913
1405         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1406         Require data-refs to be representable by Graphite with respect
1407         to any loop nest.
1408
1409 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1410
1411         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1412         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1413
1414 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1415
1416         PR rtl-optimization/51271
1417         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1418         handling annulled branch.
1419
1420 2012-01-10  Richard Henderson  <rth@redhat.com>
1421
1422         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1423         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1424         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1425         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1426         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1427         arm_expand_vec_perm_const): New.
1428         * config/arm/arm-protos.h: Update.
1429         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1430         (*neon_vswp<VDQX>): New.
1431         (neon_vcombine<VDX>): Use neon_split_vcombine.
1432         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1433         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1434         (vec_perm<VE>): New.
1435
1436 2012-01-10  Richard Henderson  <rth@redhat.com>
1437
1438         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1439         use it if reload_completed.
1440         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1441         arm_output_asm_insn, arm_process_output_memory_barrier,
1442         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1443         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1444         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1445         arm_process_output_sync_insn, arm_output_sync_insn,
1446         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1447         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1448         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1449         (emit_unlikely_jump): New.
1450         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1451         (arm_split_atomic_op): New.
1452         * config/arm/arm-protos.h: Update.
1453         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1454         (struct arm_sync_generator): Remove.
1455         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1456         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1457         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1458         (VUNSPEC_LL, VUNSPEC_SC): New.
1459         (sync_result, sync_memory, sync_required_value, sync_new_value,
1460         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1461         (attr length): Don't use arm_sync_loop_insns.
1462         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1463         (movsfcc, movdfcc): Likewise.
1464         * config/arm/constraints.md (Ua): New.
1465         * config/arm/prediates.md (mem_noofs_operand): New.
1466         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1467         (sync_clobber, sync_t2_reqd): Remove.
1468         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1469         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1470         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1471         (arm_sync_compare_and_swap<SIDI>): Remove.
1472         (arm_sync_compare_and_swap<NARROW>): Remove.
1473         (arm_sync_lock_test_and_set<SIDI>): Remove.
1474         (arm_sync_lock_test_and_set<NARROW>): Remove.
1475         (arm_sync_new_<syncop><SIDI>): Remove.
1476         (arm_sync_new_<syncop><NARROW>): Remove.
1477         (arm_sync_new_nand<SIDI>): Remove.
1478         (arm_sync_new_nand<NARROW>): Remove.
1479         (arm_sync_old_<syncop><SIDI>): Remove.
1480         (arm_sync_old_<syncop><NARROW>): Remove.
1481         (arm_sync_old_nand<SIDI>): Remove.
1482         (arm_sync_old_nand<NARROW>): Remove.
1483         (*memory_barrier): Merge arm_output_memory_barrier.
1484         (atomic_compare_and_swap<QHSD>): New.
1485         (atomic_compare_and_swap<NARROW>_1): New.
1486         (atomic_compare_and_swap<SIDI>_1): New.
1487         (atomic_exchange<QHSD>): New.
1488         (cas_cmp_operand, cas_cmp_str): New.
1489         (atomic_op_operand, atomic_op_str): New.
1490         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1491         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1492         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1493         (arm_load_exclusive<NARROW>): New.
1494         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1495         (arm_store_exclusive<QHSD>): New.
1496
1497 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1498
1499         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1500         reload patterns if -mvsx-scalar-memory.
1501
1502         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1503         generated, even -mno-vsx-scalar-double was used.
1504         (vsx_xscvdpsp_scalar): Likewise.
1505         (vsx_xscvspdp_scalar2): Likewise.
1506
1507 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1508             Andrew Pinski  <apinski@cavium.com>
1509
1510         PR debug/51471
1511         * reorg.c (fill_slots_from_thread): Don't speculate
1512         frame-related insns.
1513
1514 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1515
1516         * sched-int.h (bb_note): Move to...
1517         * basic-block.h: ...here.
1518         * haifa-sched.c (bb_note): Move to...
1519         * cfgrtl.c: ...here.
1520         * function.c (next_block_for_reg): New function.
1521         (move_insn_for_shrink_wrap): Likewise.
1522         (prepare_shrink_wrap): Rewrite to use the above.
1523
1524 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1525
1526         * gimple.c (is_gimple_non_addressable): Remove.
1527         * gimple.h: Remove is_gimple_non_addressable.
1528         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1529         is_gimple_non_addressable.
1530         * trans-mem.c (expand_assign_tm): Same.
1531
1532 2012-01-09  Richard Guenther  <rguenther@suse.de>
1533
1534         PR tree-optimization/51775
1535         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1536         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1537
1538 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1539
1540         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1541         tuning parameters.
1542         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1543
1544 2012-01-09  Richard Guenther  <rguenther@suse.de>
1545
1546         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1547
1548 2012-01-08  Jan Hubicka  <jh@suse.cz>
1549
1550         PR tree-optimize/51680
1551         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1552         on when known_vals needs to be computed; cleanup.
1553
1554 2012-01-08  Jan Hubicka  <jh@suse.cz>
1555
1556         PR tree-optimize/51694
1557         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1558
1559 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1560
1561         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1562         for -std=c++98 and -std=c++11 too.
1563
1564 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1565
1566         * cfgloop.c (cancel_loop): Add free() of bbs array.
1567
1568 2012-01-07  Jan Hubicka  <jh@suse.cz>
1569
1570         PR tree-optimization/51600
1571         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1572         that benefits small functions.
1573
1574 2012-01-07  Jan Hubicka  <jh@suse.cz>
1575
1576         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1577
1578 2012-01-07  Jan Hubicka  <jh@suse.cz>
1579
1580         PR tree-optimization/51680
1581         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1582         whose inlining reduce unit size.
1583
1584 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1585
1586         PR bootstrap/51725
1587         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1588         Add canonical node to containing_mem chain after the non-canonical
1589         one, even if there weren't any locs to propagate.
1590         (remove_useless_values): Keep only canonical values.
1591         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1592         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1593         canonicalize mem_chain elements that are not discarded.
1594
1595 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1596
1597         PR target/47333
1598         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1599         before emitting functions.
1600
1601         PR gcov-profile/50127
1602         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1603         clear_aux_for_blocks.
1604
1605 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1606
1607         PR debug/51746
1608         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1609
1610 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1611
1612         * c-decl.c (ext_block): Moved up.
1613         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1614
1615 2012-01-06  Han Shen  <shenhan@google.com>
1616
1617         Translate built-in include paths for sysroot.
1618         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1619         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1620
1621         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1622         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1623
1624         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1625         control whether sysroot should be prepended to gxx include dir.
1626
1627         * configure: Regenerate.
1628
1629 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1630
1631         PR rtl-optimization/51771
1632         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1633         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1634
1635 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1636
1637         PR tree-optimization/51315
1638         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1639         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1640
1641 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1642
1643         PR target/51681
1644         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1645         for shrp pattern.  Correctly handle and fixup shift variable.
1646         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1647
1648 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1649
1650         PR debug/51762
1651         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1652         note when !ACCUMULATE_OUTGOING_ARGS.
1653
1654 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1655
1656         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1657         condition.
1658         (extract_range_from_unary_expr_1): Avoid useless computations.
1659
1660 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1661
1662         PR rtl-optimization/51767
1663         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1664         of jump_block and add an extra edge for degenerated asm gotos.
1665
1666         PR middle-end/51768
1667         * stmt.c (check_unique_operand_names): Don't ICE during error
1668         reporting if i is from labels chain.
1669
1670         PR middle-end/44777
1671         * profile.c (branch_prob): Split bbs that have exit edge
1672         and need a fake entry edge too.
1673
1674 2012-01-05  Jan Hubicka  <jh@suse.cz>
1675
1676         PR middle-end/49710
1677         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1678         unlooping loops.
1679
1680 2012-01-05  Richard Guenther  <rguenther@suse.de>
1681
1682         PR lto/50490
1683         * tree-streamer-out.c (write_ts_optimization): New function.
1684         (streamer_write_tree_body): Call it.
1685         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1686         (streamer_read_tree_body): Call it.
1687         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1688
1689 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1690
1691         PR middle-end/51761
1692         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1693         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1694         in_cleanup_point_expr before gimplify_stmt call and restore it
1695         afterwards.
1696         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1697         in_cleanup_point_expr is false.
1698
1699 2012-01-05  Richard Guenther  <rguenther@suse.de>
1700
1701         PR middle-end/51764
1702         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1703         to c.opt.
1704         * toplev.c (process_options): Reject combining mudflap and LTO.
1705         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1706
1707 2012-01-05  Richard Guenther  <rguenther@suse.de>
1708
1709         PR tree-optimization/51760
1710         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1711         not VARYING.
1712         (bit_value_unop): Handle UNDEFINED operands.
1713         (bit_value_binop): Likewise.
1714
1715 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1716
1717         * config/avr/avr.c (avr_replace_prefix): Remove.
1718         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1719         (avr_asm_function_rodata_section): Ditto.
1720         (avr_asm_select_section): Ditto.
1721
1722 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1723
1724         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1725         insertion.
1726
1727 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1728
1729         PR bootstrap/51648
1730         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1731         calls that have any non-fake successor edges.
1732
1733         PR debug/51746
1734         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1735
1736 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1737
1738         PR tree-optimization/51624
1739         * tree-sra.c (build_ref_for_model): When replicating a chain of
1740         COMPONENT_REFs, stop as soon as the offset would become negative.
1741
1742 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR debug/51695
1745         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1746         in .debug_loc on the floor.
1747
1748 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1749
1750         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1751
1752 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1753             Adam Nemet  <anemet@caviumnetworks.com>
1754
1755         * config/mips/mips.md (size): Add SI and DI.
1756         (SIZE): New mode attribute.
1757         (U): New code attribute.
1758         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1759         (mips_lbux_<mode>): Delete.
1760         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1761         (mips_lhx): Use gen_mips_lhx_extsi.
1762         (mips_lhx_<mode>): Delete.
1763         (mips_lwx): Delete.
1764         (mips_l<size>x): New expand.
1765         (mips_lwx_<mode>): Delete.
1766         (mips_l<GPR:size>x_<P:mode>): New pattern.
1767         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1768         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1769         * config/mips/mips.c (mips_lx_address_p): New function.
1770         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1771         (dsp64): New availability predicate.
1772         (mips_builtins): Add an entry for __builtin_mips_ldx.
1773         * config/mips/mips.h (ISA_HAS_LBX): New define.
1774         (ISA_HAS_LBUX): Likewise.
1775         (ISA_HAS_LHX): Likewise.
1776         (ISA_HAS_LHUX): Likewise.
1777         (ISA_HAS_LWX): Likewise.
1778         (ISA_HAS_LWUX): Likewise.
1779         (ISA_HAS_LDX): Likewise.
1780         * doc/extend.texi (__builtin_mips_ldx): Document.
1781
1782 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1783
1784         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1785         when long pointers are used.
1786         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1787         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1788         (ia64-hp-*vms*): Remove.
1789         * config/vms/xm-vms64.h: Delete.
1790
1791 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1792
1793         PR middle-end/51472
1794         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1795
1796 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1797
1798         * opts.c (finish_options): Remove duplicate sorry.
1799
1800 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1801
1802         PR middle-end/51696
1803         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1804         correctly.
1805
1806 2012-01-04  Richard Guenther  <rguenther@suse.de>
1807
1808         PR middle-end/51750
1809         * tree.c (size_low_cst): New function.
1810         * tree.h (size_low_cst): Declare.
1811         * fold-const.c (fold_comparison): Use it to extract the low
1812         part of the POINTER_PLUS_EXPR offset.
1813
1814 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1815
1816         Fix clearing ZERO_REG
1817         * config/avr/avr.md (cc): Add alternative "ldi".
1818         (movqi_insn): Use it in cc attribute.
1819         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1820         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1821         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1822
1823 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1824
1825         * configure: Regenerate.
1826
1827 2012-01-04  Richard Guenther  <rguenther@suse.de>
1828
1829         PR tree-optimization/49651
1830         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1831         (var_can_have_subvars): Use it.
1832         (get_constraint_for_1): Only consider subfields if there can be any.
1833
1834 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1835
1836         PR bootstrap/51725
1837         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1838         to its new canonical_cselib_val and the cselib_val was in
1839         first_containing_mem chain, but the canonical_cselib_val was not,
1840         add the latter into the chain.
1841         (cselib_invalidate_mem): Compare canonical_cselib_val of
1842         addr_list chain elt with v.
1843
1844         PR pch/51722
1845         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1846         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1847         of xstrdup.
1848         (output_macinfo_op): Don't ggc_strdup fd->filename.
1849         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1850         then ggc_strdup it.  Don't free inc->info or cur->info.
1851         (output_macinfo): Don't free ref->info or file->info.
1852
1853 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1854
1855         PR tree-optimization/51269
1856         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1857         first_niters a pointer.
1858         (slpeel_tree_peel_loop_to_edge): Likewise.
1859         (vect_do_peeling_for_loop_bound): Update call to
1860         slpeel_tree_peel_loop_to_edge.
1861         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1862         here.  Remove it from the parameters list.
1863         (vect_do_peeling_for_alignment): Update calls and compute
1864         wide_prolog_niters.
1865
1866 2012-01-03  Richard Guenther  <rguenther@suse.de>
1867
1868         PR tree-optimization/51070
1869         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1870         Properly handle calls.
1871
1872 2012-01-03  Richard Guenther  <rguenther@suse.de>
1873
1874         PR tree-optimization/51692
1875         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1876         the LHS of allocation stmts.
1877
1878 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1879
1880         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1881
1882 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1883
1884         * collect2.c (main): In AIX specific computations for vector
1885         insertions, use CONST_CAST2 to cast from char ** to const char **.
1886
1887 2012-01-03  Richard Guenther  <rguenther@suse.de>
1888
1889         PR debug/51650
1890         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1891         the context of a limbo DIE when it does not already exist.
1892
1893 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR tree-optimization/51719
1896         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1897         but direct call is, clear direct call's lhs and don't add fallthrough
1898         edge from dcall_bb to join_bb and PHIs.
1899
1900 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1901
1902         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1903         the instructions emitted by the pattern.
1904         ("*TDC_insn_<mode>"): Add comment.
1905
1906 2012-01-03  Richard Guenther  <rguenther@suse.de>
1907
1908         PR middle-end/51730
1909         * fold-const.c (fold_comparison): Properly canonicalize
1910         tree offset and HOST_WIDE_INT bit position.
1911
1912 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1913
1914         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1915         operands for extzv pattern.
1916
1917 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1918
1919         PR bootstrap/51725
1920         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1921         on mem_elt first.
1922
1923 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1924
1925         * doc/invoke.texi (-flto and related options): Copy-edit.
1926
1927 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1928
1929         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1930
1931 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1932
1933         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1934         New patterns.
1935
1936 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1937
1938         * expr.h (move_by_pieces_ninsns): Declare.
1939         * expr.c (move_by_pieces_ninsns): Make external.
1940         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1941         (mips_store_by_pieces_p): Likewise.
1942         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1943         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1944         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1945         (mips_store_by_pieces_p): Likewise.
1946
1947 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1948
1949         * passes.c (register_one_dump_file): Free full_name.
1950
1951         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1952         (calculate_elim_costs_all_insns): Free offsets_at and
1953         offsets_known_at at the end and clear the pointers.
1954
1955 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1956
1957         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1958         this option introduced in r180739.
1959
1960 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1961
1962         PR target/51345
1963         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1964         (tmake_file target=avr): Add avr/t-multilib.
1965
1966         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1967         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1968         * config/avr/genmultilib.awk: New file.
1969         * config/avr/t-multilib: New auto-generated file.
1970         * config/avr/multilib.h: New auto-generated file.
1971         * config/avr/t-avr (AVR_MCUS): New variable.
1972         (genopt.sh): Use it.
1973         (s-mlib): Depend on t-multilib.
1974         (t-multilib, multilib.h): New dependencies.
1975         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1976         (MULTILIB_OPTIONS): Remove.
1977         (MULTILIB_MATCHES): Remove.
1978         (MULTILIB_DIRNAMES): Remove.
1979         (MULTILIB_EXCEPTIONS): Remove:
1980         * config/avr/genopt.sh: Don't use hard coded file name;
1981         pass AVR_MCUS from t-avr instead.
1982
1983 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1984
1985         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1986
1987 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1988
1989         Implement light-weight DImode support.
1990         * config/avr/avr-dimode.md: New file.
1991         * config/avr/avr.md: Include it.
1992         (adjust_len): Add plus64, compare64.
1993         (HIDI): Remove code iterator.
1994         (code_stdname): New code attribute.
1995         (rotx, rotsmode): Remove DI.
1996         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1997         as code iterator.
1998         * config/avr/avr-protos.h (avr_have_dimode): New.
1999         (avr_out_plus64, avr_out_compare64): New.
2000         * config/avr/avr.c (avr_out_compare): Handle DImode.
2001         (avr_have_dimode): New variable definition and initialization.
2002         (avr_out_compare64, avr_out_plus64): New functions.
2003         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2004         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2005         (avr_compare_pattern): Skip DImode comparisons.
2006
2007 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2008
2009         * ddg.c (def_has_ccmode_p): New function.
2010         (add_cross_iteration_register_deps,
2011         create_ddg_dep_from_intra_loop_link): Call it.
2012
2013 2012-01-02  Richard Guenther  <rguenther@suse.de>
2014
2015         PR other/51679
2016         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2017
2018 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2019
2020         * gcc.c (process_command): Update copyright notice dates.
2021         * gcov.c (print_version): Likewise.
2022         * gcov-dump.c (print_version): Likewise.
2023         * mips-tfile.c (main): Likewise.
2024         * mips-tdump.c (main): Likewise.
2025
2026 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2027
2028         PR tree-optimization/51704
2029         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2030         a use is inside the basic block or loop before accessing its vect info.
2031
2032 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2033
2034         PR rtl-optimization/51069
2035         * cfgloopmanip.c (remove_path): Removing path making irreducible
2036         region unconditional makes BB part of the region.
2037
2038 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2039
2040         PR tree-optimization/51683
2041         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2042         calls with side-effects.
2043         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2044 \f
2045 Copyright (C) 2012 Free Software Foundation, Inc.
2046
2047 Copying and distribution of this file, with or without modification,
2048 are permitted in any medium without royalty provided the copyright
2049 notice and this notice are preserved.