gcc/ChangeLog

   1 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
   2
   3         PR tree-optimization/50969
   4         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
   5         use vec_perm rather than vector_stmt.
   6         (vect_model_load_cost): Likewise.
   7         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
   8         vec_perm to be the same as other vector statements.
   9         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
  10         cost of vec_perm for TARGET_VSX.
  11
  12 2012-02-06  Richard Guenther  <rguenther@suse.de>
  13
  14         PR tree-optimization/52115
  15         * tree-sra.c (access_has_replacements_p): New function.
  16         (sra_modify_assign): Use it to decide whether a use is uninitialized.
  17
  18 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
  19
  20         PR middle-end/52047
  21         * trans-mem.c (expand_call_tm): Add an assertion.
  22         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
  23         functions.
  24
  25 2012-02-06  Richard Guenther  <rguenther@suse.de>
  26
  27         PR tree-optimization/50955
  28         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
  29         raise cost of expressions that replace an address with an
  30         expression based on a different pointer.
  31
  32 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
  33
  34         PR target/52129
  35         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
  36         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
  37
  38 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
  39
  40         PR c++/48680
  41         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
  42         -Weffc++ and specify guidelines come from second edition.
  43
  44 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
  45
  46         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
  47         (sibcall_value_multiple_internal, call_split, call_internal_direct)
  48         (call_direct_split, call_value_split, call_value_internal_direct)
  49         (call_value_direct_split, call_value_multiple_split): Use jal and
  50         jal_macro attributes.
  51
  52 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
  53
  54         * reload1.c (reload_regs_reach_end_p): Replace with...
  55         (reload_reg_rtx_reaches_end_p): ...this function.
  56         (new_spill_reg_store): Update commentary.
  57         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
  58         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
  59         before setting new_spill_reg_store.
  60         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
  61         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
  62         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
  63         for non-spill reload registers.
  64
  65 2012-02-05  Ira Rosen  <irar@il.ibm.com>
  66
  67         PR tree-optimization/52091
  68         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
  69         (vect_is_simple_use_1): Likewise.
  70         * tree-vect-loop.c (vectorizable_reduction): Update calls
  71         to vect_is_simple_use_1 and vect_is_simple_use.
  72         (vectorizable_live_operation): Likewise.
  73         * tree-vect-patterns.c (widened_name_p,
  74         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
  75         Likewise.
  76         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
  77         vectorizable_call, vectorizable_conversion,
  78         vectorizable_assignment, vectorizable_shift,
  79         vectorizable_operation, vectorizable_store, vectorizable_load):
  80         Likewise.
  81         (vect_is_simple_cond): Add an argument, pass it to
  82         vect_is_simple_use_1.
  83         (vectorizable_condition): Update calls to vect_is_simple_cond,
  84         vect_is_simple_use.
  85         (vect_is_simple_use): Add an argument, the statement in which
  86         OPERAND is used.  Check that if OPERAND's def stmt is a double
  87         reduction phi node, the use is a phi node too.
  88         (vect_is_simple_use_1): Add an argument, pass it to
  89         vect_is_simple_use.
  90         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
  91         to vect_is_simple_use.
  92
  93 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
  94
  95         PR rtl-optimization/52095
  96         * modulo-sched.c (dump_insn_locator): New function.
  97         (loop_canon_p, sms_schedule): Use it.
  98
  99         PR rtl-optimization/52113
 100         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 101         even for decomposable shift/zext insns.
 102
 103 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 104             Zdenek Dvorak  <ook@ucw.cz>
 105
 106         PR rtl-optimization/52092
 107         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 108         on get_iv_value result.
 109
 110 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 111
 112         PR middle-end/47982
 113         PR middle-end/43967
 114         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 115
 116 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 117
 118         PR middle-end/48071
 119         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 120
 121 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 122
 123         PR rtl-optimization/49800
 124         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 125         (sched_finish): Call regstat_free_n_sets_and_refs.
 126
 127 2012-02-02  Jia Liu  <proljc@gmail.com>
 128
 129         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 130         than operand 2.
 131
 132 2012-02-02 Jan Hubicka  <jh@suse.cz>
 133            Tom de Vries  <tom@codesourcery.com>
 134
 135         PR middle-end/51998
 136         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 137         * varpool.c (varpool_analyze_pending_decls): Likewise.
 138
 139 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 140             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 141
 142         * config.gcc: Add cr16-* support.
 143
 144         * doc/extend.texi: Document cr16 extensions.
 145         * doc/install.texi: Document cr16 install.
 146         * doc/invoke.texi: Document cr16 options.
 147         * doc/md.texi: Document cr16 constraints.
 148
 149         * common/config/cr16/cr16-common.c: New file.
 150         * config/cr16/cr16.c: New file.
 151         * config/cr16/cr16.h: New file.
 152         * config/cr16/cr16.md: New file.
 153         * config/cr16/cr16.opt: New file.
 154         * config/cr16/cr16-protos.h: New file.
 155         * config/cr16/predicates.md: New file.
 156         * config/cr16/constraints.md: New file.
 157         * config/cr16/t-cr16: New file.
 158
 159 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 160
 161         PR target/52086
 162         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 163         that operands[2] is either immediate, or q_regs_operand.
 164
 165         PR tree-optimization/52073
 166         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 167         a pattern stmt for pattern uses, ignore uses outside of the loop.
 168
 169 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 170
 171         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 172         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 173         (OUT_AS1, OUT_AS2): Remove.
 174
 175 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 176
 177         PR rtl-optimization/51374
 178         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 179         to cross other volatile_refs_p insns.
 180
 181 2012-02-01  Richard Guenther  <rguenther@suse.de>
 182
 183         * doc/invoke.texi (fno-inline): Clarify documentation.
 184         (finline-small-functions): Likewise.
 185         (finline-functions): Likewise.
 186         * common.opt (finline): Adjust comment and documentation.
 187         (finline-small-functions): Clarify documentation.
 188         (finline-functions): Likewise.
 189         (finline-functions-called-once): Likewise.
 190
 191 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 192
 193         * c-typeck.c (composite_type): Keep mode for pointers.
 194
 195 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 196
 197         * function.h (regno_reg_rtx): Adjust comment.
 198         * reginfo.c (init_reg_modes_target): Only use the previous mode
 199         if it fits within one register.  Remove MIPS comment.
 200
 201 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 202
 203         PR bootstrap/52058
 204         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 205
 206 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 207
 208         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 209         to srak instruction.
 210
 211 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 212
 213         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
 214         condition.
 215
 216 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 217
 218         PR bootstrap/52041
 219         PR bootstrap/52039
 220         PR target/51974
 221         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 222
 223 2012-01-31  Richard Guenther  <rguenther@suse.de>
 224
 225         PR tree-optimization/51528
 226         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 227         assigns.
 228
 229 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 230
 231         PR bootstrap/52041
 232         PR bootstrap/52039
 233         PR target/51974
 234         * ree.c (add_removable_extension): Change def_map argument
 235         to unsigned *, store in def_map 1 + offset into *insn_list vector
 236         instead of pointers into the vector.
 237         (find_removable_extensions): Adjust caller.
 238
 239 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 240
 241         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 242         Transform all "* quoted-c-code" to { c-code }.
 243         Remove redundant test for "optimize" in combine patterns.
 244         Move (include "avr-dimode.md") to end of file.
 245
 246 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 247
 248         PR target/51835
 249         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 250         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 251
 252 2012-01-30  Richard Guenther  <rguenther@suse.de>
 253
 254         PR tree-optimization/52028
 255         * tree-loop-distribution.c (ldist_gen): Properly update
 256         virtual SSA form.
 257
 258 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 259
 260         PR debug/52027
 261         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 262         set_cur_line_info_table if not emitting debug info.
 263
 264         PR tree-optimization/52046
 265         * tree-vect-patterns.c (check_bool_pattern): Give up if
 266         a comparison could throw.
 267
 268         PR debug/52048
 269         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 270
 271 2012-01-30  Richard Guenther  <rguenther@suse.de>
 272
 273         PR tree-optimization/52045
 274         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 275         SSA form if cfgcleanup did anything.
 276
 277 2012-01-30  Richard Guenther  <rguenther@suse.de>
 278
 279         PR tree-optimization/52045
 280         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 281         before computing final todo.
 282
 283 2012-01-30  Richard Guenther  <rguenther@suse.de>
 284
 285         PR tree-optimization/51528
 286         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 287         for PR51528 fix.
 288
 289 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 290
 291         * df-problems.c (df_kill_notes): Check that the use refers
 292         to the note under examination.
 293
 294 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 295
 296         PR target/51920
 297         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 298         parameter and use short-lived pseudos.
 299         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 300         (sparc_expand_vector_init): Const-ify local variables and adjust
 301         calls to above functions.
 302
 303 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 304
 305         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 306
 307 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 308
 309         * doc/invoke.texi: Make usage of "compile time" and
 310         "run time"/"runtime" consistent throughout the file.
 311
 312 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 313
 314         * config/alpha/alpha.c (alpha_option_overrride): Default to
 315         full IEEE compliance mode for Go language.
 316
 317 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 318
 319         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 320         (LINK_SSP_SPEC): Define.
 321
 322 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 323
 324         PR target/51871
 325         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 326         stubs.
 327
 328 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 329
 330         * doc/invoke.texi: Correct hyphenation of "floating point",
 331         "double precision", and related terminology throughout the file.
 332
 333 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 334
 335         PR target/52006
 336         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 337         arm_general_register_operand predicate for operand 2 instead of
 338         register_operand.
 339
 340 2012-01-27  Ian Lance Taylor  <iant@google.com>
 341
 342         PR go/47656
 343         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 344         * builtins.c (expand_builtin_init_trampoline): Add onstack
 345         parameter.  Change caller.
 346         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 347         * tree.c (build_common_builtin_nodes): Declare
 348         __builtin_init_heap_trampoline.
 349
 350 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 351
 352         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 353         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 354         * config/avr/avr.c: Ditto.
 355         (avr_regnames): Remove because unused.
 356         * config/avr/avr.md (*cpse.ne): New peephole.
 357         (*cpse.eq): New peephole from former cpse peepholes.
 358
 359 2012-01-27  Michael Eager  <eager@eagercon.com>
 360
 361         * config/microblaze.c (microblaze_emit_compare): Correct
 362         test after pcmp instruction.
 363
 364 2012-01-27  Richard Guenther  <rguenther@suse.de>
 365
 366         PR tree-optimization/52020
 367         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 368
 369 2012-01-27  Richard Guenther  <rguenther@suse.de>
 370
 371         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 372         function non-const/pure.
 373
 374 2012-01-27  Richard Guenther  <rguenther@suse.de>
 375
 376         PR tree-optimization/50444
 377         * tree-sra.c (build_ref_for_offset): Properly adjust the
 378         MEM_REF type for unaligned accesses.
 379
 380 2012-01-27  Richard Guenther  <rguenther@suse.de>
 381
 382         PR tree-optimization/50444
 383         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 384         (expand_assignment): Use it.  Properly handle misaligned
 385         bases when expanding stores to component references.
 386         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 387         refactor that case.
 388
 389 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 390
 391         PR middle-end/51389
 392         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 393         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 394         * tree-data-ref.c (find_data_references_in_loop): Make static.
 395         (compute_all_dependences): Change return type to bool.  Bail out
 396         for too many datarefs in a loop.  Move the hunk resetting the data
 397         dependences vector from ...
 398         (compute_data_dependences_for_loop): ... here.  Account for
 399         compute_all_dependences returning false.
 400         (compute_data_dependences_for_bb): Likewise.
 401         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 402         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 403
 404 2012-01-27  Richard Guenther  <rguenther@suse.de>
 405
 406         PR middle-end/51959
 407         * expr.c (store_field): Use the alias-set of the scratch memory
 408         for storing to it.
 409
 410 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 411
 412         PR tree-optimization/51990
 413         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 414         WITH_SIZE_EXPR.
 415         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 416
 417 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 418
 419         PR debug/52001
 420         * var-tracking.c (reverse_op): Don't add any reverse operation
 421         if V already has any constant locations.
 422
 423 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 424
 425         * doc/invoke.texi: Correct usage of "command line" (noun)
 426         vs "command-line" (adjective) throughout.
 427
 428 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 429
 430         * doc/invoke.texi (Language Independent Options): Move
 431         -Wcoverage-mismatch blurb from here....
 432         (Warning Options): ...to here.
 433
 434 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 435
 436         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 437         Set rs6000_always_hint to false for 476.
 438
 439 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 440
 441         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 442           system root.
 443         * incpath.c (add_standard_paths): Likewise.
 444
 445 2012-01-27  Richard Henderson  <rth@redhat.com>
 446
 447         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 448         * config/m68k/sync.md (atomic_test_and_set): Rename from
 449         sync_test_and_setqi and adjust the operands.
 450         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 451         and unconditionally enable.
 452
 453 2012-01-27  Richard Henderson  <rth@redhat.com>
 454
 455         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 456         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 457         (ldstub): Rename from ldstubqi.
 458         (ldstub<I24MODE>): Remove.
 459
 460 2012-01-27  Richard Henderson  <rth@redhat.com>
 461
 462         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 463         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 464         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 465         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 466         * doc/tm.texi: Rebuild.
 467
 468 2012-01-27  Richard Henderson  <rth@redhat.com>
 469
 470         * optabs.c (gen_atomic_test_and_set): Remove default.
 471         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 472
 473 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 474
 475         PR rtl-optimization/51978
 476         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 477         (combine_reaching_defs): Likewise.
 478         (struct re_info): Remove.
 479         (add_removable_extension): Remove x and data arguments,
 480         add insn, insn_list and def_map.  Use the arguments directly
 481         instead of using struct re_info.
 482         (find_removable_extensions): Don't call add_removable_extension
 483         through note_stores, instead just call it with single_set
 484         result if non-NULL.
 485         (find_and_remove_re): Pass curr_cand->expr instead of
 486         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 487
 488 2012-01-26  Michael Matz  <matz@suse.de>
 489
 490         PR tree-optimization/46590
 491         * cfgexpand.c: Revert last change (r183305).
 492         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 493         regs.
 494         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 495         checking for emptiness.
 496
 497 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 498
 499         PR middle-end/51895
 500         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 501         non-addressable non-BLKmode base correctly.
 502
 503 2012-01-26  Michael Matz  <matz@suse.de>
 504
 505         PR tree-optimization/48794
 506         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 507         regions referenced from RESX/EH_DISPATCH.
 508
 509 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 510
 511         * config/s390/s390.h: Make BRANCH_COST an option.
 512         * config/s390/s390.opt: New option -mbranch-cost.
 513
 514 2012-01-26  Richard Henderson  <rth@redhat.com>
 515
 516         Revert 2012-01-24 change:
 517         * trans-mem.c (requires_barrier): Do not instrument thread local
 518         variables and emit save/restore for them.
 519
 520 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 521
 522         PR middle-end/51986
 523         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 524         for pat == 0.
 525
 526 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 527
 528         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 529         ASM_OPERANDS.
 530
 531 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 532
 533         PR target/49868
 534         Rename __pgm to __flash.
 535         Rename __pgm1 to __flash1.
 536         Rename __pgm2 to __flash2.
 537         Rename __pgm3 to __flash3.
 538         Rename __pgm4 to __flash4.
 539         Rename __pgm5 to __flash5.
 540         Rename __pgmx to __memx.
 541         * doc/extend.texi (AVR Named Address Spaces)
 542         Rename address space names as indicated above.
 543         * config/avr/avr.c (avr_addrspace): Ditto.
 544
 545         * config/avr/avr-protos.h
 546         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 547         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 548         * config/avr/predicates.md: Ditto.
 549         * config/avr/avr.c Ditto, and
 550         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 551         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 552
 553         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 554         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 555         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 556         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 557         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 558         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 559         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 560         * config/avr/avr.c: Ditto.
 561         * config/avr/avr.md: Ditto.
 562
 563 2012-01-25  Jason Merrill  <jason@redhat.com>
 564
 565         PR c++/51992
 566         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 567
 568 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 569
 570         PR tree-optimization/51987
 571         * tree-data-ref.c (get_references_in_stmt): Handle references in
 572         non-volatile GIMPLE_ASM.
 573
 574 2012-01-25  Richard Guenther  <rguenther@suse.de>
 575
 576         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 577         bases are dereferenced.
 578
 579 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 580
 581         PR rtl-optimization/48374
 582         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 583
 584 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 585
 586         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 587         compute_data_dependences_for_loop returns false.
 588         * tree-parloops.c (loop_parallel_p): Likewise.
 589
 590 2012-01-25  Richard Guenther  <rguenther@suse.de>
 591
 592         * tree.h (get_pointer_alignment_1): Declare.
 593         * builtins.c (get_pointer_alignment_1): New function.
 594         (get_pointer_alignment): Use it.
 595
 596 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 597
 598         PR rtl-optimization/48308
 599         * combine.c (enum undo_kind): Add UNDO_LINKS.
 600         (struct undo): Add member l to other_contents and where.
 601         (do_SUBST_LINK): New.
 602         (SUBST_LINK): New.
 603         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 604         (undo_all): Handle UNDO_LINKS.
 605
 606 2012-01-25  Richard Henderson  <rth@redhat.com>
 607
 608         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 609         mem inputs.
 610
 611 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 612
 613         * optabs.c (gen_atomic_test_and_set): Use each argument.
 614
 615 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 616
 617         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 618         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 619         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 620         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 621         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 622         TARGET_PAIRED_SINGLE_FLOAT.
 623
 624 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 625
 626         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 627         (in_struct, return_val): Remove MEM documentation.
 628         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 629         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 630         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 631         and MEM_SCALAR.
 632         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 633         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 634         * expr.c (store_field): Likewise.
 635         * function.c (assign_stack_temp_for_type): Likewise.
 636         * ifcvt.c (noce_try_cmove_arith): Likewise.
 637         * reload1.c (reload): Likewise.
 638         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 639         (alpha_set_memflags): Likewise.
 640         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 641
 642 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 643
 644         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 645         parameter.
 646         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 647         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 648         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 649         varies parameter.
 650         * cselib.c (cselib_rtx_varies_p): Delete.
 651         (cselib_invalidate_mem): Update call to canon_true_dependence.
 652         * dse.c (record_store, check_mem_read_rtx): Likewise.
 653         (scan_reads_nospill): Likewise.
 654         * cse.c (check_dependence): Likewise.
 655         (cse_rtx_varies_p): Delete.
 656         * expr.c (safe_from_p): Update call to true_dependence.
 657         * ira.c (validate_equiv_mem_from_store): Likewise.
 658         (memref_referenced_p): Likewise.
 659         * postreload-gcse.c (find_mem_conflicts): Likewise.
 660         * sched-deps.c (sched_analyze_2): Likewise.
 661         * store-motion.c (load_kills_store): Likewise.
 662         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 663         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 664         (compute_transp): Update call to canon_true_dependence.
 665
 666 2012-01-25  Richard Henderson  <rth@redhat.com>
 667
 668         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 669         (maybe_emit_atomic_test_and_set): New.
 670         (expand_sync_lock_test_and_set): Use it.
 671         (expand_atomic_test_and_set): Likewise.
 672         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 673         the implementation; clarify implementation defined details.
 674         * doc/md.texi (atomic_test_and_set): Document.
 675
 676 2012-01-25  Richard Henderson  <rth@redhat.com>
 677
 678         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 679
 680 2012-01-25  Richard Henderson  <rth@redhat.com>
 681
 682         PR target/51968
 683         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 684         to effect no-op split.
 685
 686 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 687
 688         PR lto/51698
 689         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 690         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 691         (BT_FN_VOID_PTR_INT_SIZE): New.
 692         (BT_FN_UINT_UINT_VAR): Remove.
 693         (BT_FN_UINT32_UINT32_VAR): New.
 694         (BT_FN_DOUBLE_VPTR): Remove.
 695         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 696
 697         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 698         (_ITM_changeTransactionMode): Same.
 699         (_ITM_memmoveRtWt): Change return type to void.
 700         (_ITM_memcpyRtWt): Same.
 701         (_ITM_memsetW): Same.
 702         (_ITM_RaRD): Change types to double.
 703         (_ITM_RD): Same.
 704         (_ITM_RaWD): Same.
 705         (_ITM_RfWD): Same.
 706
 707         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 708
 709 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 710             Patrick Marlier  <patrick.marlier@gmail.com>
 711
 712         * trans-mem.c (requires_barrier): Do not instrument thread local
 713         variables and emit save/restore for them.
 714
 715 2012-01-24  Jason Merrill  <jason@redhat.com>
 716
 717         PR c++/51812
 718         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 719         output static aliases.
 720
 721 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 722
 723         PR driver/47249
 724         * common.opt (-pie, -shared, pie, shared): Change from Common to
 725         Driver.
 726         * gcc.c (display_help): Display help for -pie and -shared.
 727
 728 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 729
 730         PR target/49868
 731         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 732         Remove note on size/offset limitation.
 733         (AVR Variable Attributes): Add example how to read data located
 734         with progmem.  Refer to named address spaces.
 735         * doc/invoke.texi (AVR Options): Fix typo.
 736
 737 2012-01-24  Richard Guenther  <rguenther@suse.de>
 738
 739         Forward-port to trunk
 740         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 741
 742         PR middle-end/45678
 743         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 744         op0 isn't sufficiently aligned and there is movmisalignM
 745         insn for mode, use it to load op0 into a temporary register.
 746
 747 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 748
 749         PR target/51957
 750         * target.def (const_not_ok_for_debug_p): New hook.
 751         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 752         documentation.
 753         * doc/tm.texi: Regenerated.
 754         * dwarf2out.c (const_ok_for_output_1): If
 755         targetm.const_not_ok_for_debug_p returns true, fail.
 756         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 757         function.
 758         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 759
 760 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 761
 762         PR target/51900
 763         * config/i386/predicates.md (symbolic_operand): Allow
 764         UNSPEC_PCREL as PIC expression for lea.
 765         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 766         * config/i386/i386.c (ix86_delegitimize_address): Handle
 767         UNSPEC_PCREL for none-MEM, too.
 768
 769 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 770
 771         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 772         (ipa_tm_create_version_alias): Same.
 773
 774 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 775
 776         PR libitm/51830
 777         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 778         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 779
 780 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 781             Patrick Marlier  <patrick.marlier@gmail.com>
 782             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 783
 784         PR lto/51916
 785         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 786         simple_object_start_read.
 787
 788 2012-01-23  Richard Guenther  <rguenther@suse.de>
 789
 790
 791         PR tree-optimization/51895
 792         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 793         parameter decomposition into BLKmode components.
 794
 795 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 796
 797         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 798         fake variables for restrict-qualified pointers whose pointed-to type
 799         contains a placeholder.
 800
 801 2012-01-23  Richard Guenther  <rguenther@suse.de>
 802
 803         PR tree-optimization/51949
 804         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 805
 806 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 807
 808         PR rtl-optimization/51933
 809         * ree.c (transform_ifelse): Return true right away if dstreg is
 810         already wider or equal to cand->mode.
 811         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 812         (make_defs_and_copies_lists): Remove defs_list and copies_list
 813         arguments, add state argument, just truncate state->work_list
 814         instead of always allocating and freeing the vector.  Assert that
 815         get_defs succeeds instead of returning 2.  Changed return type to bool.
 816         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 817         have ext_src_mode, see if it has been modified already with the
 818         right kind of extension and has been extended before from the
 819         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 820         just return true.  Remember the original mode in state->modified array.
 821         (combine_reaching_defs): Add state argument.  Don't allocate and
 822         free here def_list, copied_list and vec vectors, instead just
 823         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 824         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 825         Add state variable, clear vectors in it, initialize state.modified
 826         if needed.  Free all the vectors at the end and state.modified too.
 827         Don't skip a candidate if the extension expression has been modified.
 828
 829 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 830
 831         PR target/47096
 832         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 833          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 834         (extra_options) interix.opt -> i386/interix.opt"
 835         (extra_objs):Add winnt-stubs.o
 836         * configure.ac: Add interix to target_os .comm on PE check.
 837         * configure: Regenerate.
 838         * config/interix3.h: Delete and move bits to..
 839         * config/interix.h: Delete and move bits to..
 840         * config/i386/i386-interix3.h: Delete and move bits to..
 841         * config/i386/i386-interix.h: ..here.
 842         (TARGET_CPU_DEFAULT): Remove redefinition.
 843         (TARGET_ASM_CONSTRUCTOR): Undefine.
 844         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 845         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 846         (PTRDIFF_TYPE): Define.
 847         (LONG_DOUBLE_TYPE_SIZE): Define.
 848         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 849         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 850         (TARGET_SECTION_TYPE_FLAGS): Define.
 851         (ASM_DECLARE_FUNCTION_NAME): Define.
 852         (ASM_OUTPUT_EXTERNAL): Define.
 853         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 854         (ASM_OUTPUT_ALIGNED_BSS): Define.
 855         (PCC_BITFIELD_TYPE_MATTERS): Define.
 856         (USE_CONST_SECTION): Define.
 857         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 858         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 859         (SUPPORTS_ONE_ONLY): Remove.
 860         (I386_PE_STRIP_ENCODING): Define.
 861         * config/interix.opt: Delete and move bits to..
 862         * config/i386/interix.opt: ..here. New.
 863         (mpe-aligned-commons): Add.
 864         * config/i386/t-interix: Add copyright header.
 865         (winnt-stubs.o): Add rule.
 866
 867 2012-01-22  Jason Merrill  <jason@redhat.com>
 868
 869         PR c++/51832
 870         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 871         for extra name aliases.
 872
 873 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 874
 875         PR rtl-optimization/51924
 876         * ree.c (combine_set_extension): Improve debugging message.
 877         (combine_reaching_defs): Likewise.
 878         (get_defs): Rename confusingly named variable.
 879         (find_and_remove_re): Skip a candidate if the extension expression has
 880         been modified.
 881
 882 2012-01-21  Robert Millan  <rmh@gnu.org>
 883             Gerald Pfeifer  <gerald@pfeifer.com>
 884
 885         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 886         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 887
 888 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 889
 890         PR tree-optimization/51914
 891         * tree-vect-stmts.c (vectorizable_conversion): For
 892         cvt_type && modifier == WIDEN, put temporary with cvt_type
 893         at the beginning of vec_dsts and set vec_dest to temporary
 894         with vectype_out.
 895
 896 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 897
 898         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 899
 900 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 901
 902         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 903         * config/rs6000/rs6000.c: Likewise.
 904
 905 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 906
 907         PR target/51915
 908         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 909         output_move_double on a copy of operands array.
 910
 911 2012-01-20  Cary Coutant  <ccoutant@google.com>
 912             Dodji Seketeli  <dodji@redhat.com>
 913
 914         PR debug/45682
 915         * dwarf2out.c (copy_declaration_context): Return ref to parent
 916         of declaration DIE, if necessary.
 917         (remove_child_or_replace_with_skeleton): Add new parameter; update
 918         caller.  Place skeleton DIE under parent DIE of original declaration.
 919         Move call to copy_declaration_context to here ...
 920         (break_out_comdat_types): ... from here.
 921
 922 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 923
 924         PR rtl-optimization/51856
 925         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 926         flag to reloaded.
 927
 928 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 929
 930         PR target/51819
 931         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 932         hints for neon loads and stores.
 933
 934 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 935
 936         PR target/49868
 937         PR target/50887
 938         * doc/extend.texi (Named Address Spaces): Split into subsections.
 939         (AVR Named Address Spaces): New subsection.
 940         (M32C Named Address Spaces): New subsection.
 941         (RL78 Named Address Spaces): New subsection.
 942         (SPU Named Address Spaces): New subsection.
 943         (Variable Attributes): New anchor "AVR Variable Attributes".
 944         (AVR Variable Attributes): Rewrite and avoid wording
 945         "address space" in this context.
 946         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 947         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 948         (AVR Built-in Macros): New subsubsection therein.
 949         * doc/md.texi (AVR constraints): Remove "C04", "R".
 950
 951 2012-01-20  Richard Guenther  <rguenther@suse.de>
 952
 953         PR tree-optimization/51903
 954         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 955         when removing stmts.
 956
 957 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 958
 959         PR target/50313
 960         * config/arm/arm.c (arm_load_pic_register): Use
 961         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 962         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 963         (arm_pic_static_addr): Likewise.
 964         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 965         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 966         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 967         (pic_load_addr_unified): New.
 968
 969 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 970
 971         PR target/51106
 972         * function.c (instantiate_virtual_regs_in_insn): Use
 973         delete_insn_and_edges when removing a wrong asm insn.
 974
 975 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 976
 977         PR rtl-optimization/40761
 978         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 979         Add new member loop_num.
 980         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 981         (ira_build): Remove the parameter.
 982
 983         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 984         (ira.c): Do not build CFG loops for one region allocation.  Remove
 985         argument from ira_build call.
 986
 987         * ira-build.c (init_loop_tree_node): New function.
 988         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 989         loops are not built.
 990         (more_one_region_p): Check current_loops.
 991         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 992         built.
 993         (add_loop_to_tree): Process loop equal to NULL too.
 994         (form_loop_tree): Separate the case when CFG loops are not built.
 995         Use explicitly number for the root.
 996         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 997         an assertion.
 998         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 999         instead of loop->num.
1000         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1001         (mark_all_loops_for_removal): Ditto.
1002         (remove_unnecessary_regions): Separate the case when CFG loops
1003         are not built.
1004         (ira_build): Remove the parameter.  Use explicit number of regions
1005         when CFG loops are not built.
1006
1007         * ira-color.c (print_loop_title): Separate the case for the root node.
1008         Use loop_num instead of loop->num.
1009         (move_spill_restore): Use loop_num instead of loop->num.
1010
1011         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1012         (change_loop): Ditto.
1013         (change_loop): Use loop_num instead of loop->num.
1014
1015         * ira-lives.c (process_bb_node_lives): Ditto.
1016
1017         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1018
1019         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1020
1021 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1022
1023         PR libmudflap/40778
1024         * tree-mudflap.c (mf_artificial): New function.
1025         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1026         mx_register_decls, mudflap_enqueue_decl): Use it.
1027
1028         PR target/51876
1029         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1030         numbers in the insn pattern.
1031
1032 2012-01-19  Michael Matz  <matz@suse.de>
1033
1034         PR tree-optimization/46590
1035         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1036         use it in remembering which conflicts we already created.
1037         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1038         bitmap.
1039
1040 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1041
1042         PR lto/51280
1043         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1044         (merge_and_complain): Same.
1045
1046 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR bootstrap/50237
1049         * config/initfini-array.h: Guard content of the header
1050         with #ifdef HAVE_INITFINI_ARRAY.
1051         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1052         Add initfini-array.h to tm_file here.
1053         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1054         * config.gcc: Don't add initfini-array.h to tm_file here.
1055         * configure: Regenerated.
1056
1057 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1058
1059         PR rtl-optimization/51505
1060         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1061         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1062         (df_note_bb_compute): Update the call to df_kill_notes.
1063
1064 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1065
1066         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1067
1068 2012-01-18  Richard Guenther  <rguenther@suse.de>
1069
1070         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1071         of conversions to void *.
1072
1073 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1074             Richard Sandiford  <rdsandiford@googlemail.com>
1075
1076         PR middle-end/50325
1077         PR middle-end/51192
1078         * optabs.h (simplify_expand_binop): Declare.
1079         * optabs.c (simplify_expand_binop): Make global.
1080         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1081         endian targets if the source cannot be exactly covered by word
1082         mode chunks.
1083
1084 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1085
1086         PR bootstrap/51872
1087         * hard-reg-set.h (struct hard_reg_set_container): New type.
1088         * target.h (struct hard_reg_set_container): Forward declare.
1089         * target.def (set_up_by_prologue): New target hook.
1090         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1091         * doc/tm.texi: Regenerated.
1092         * function.c (thread_prologue_and_epilogue_insns): Change
1093         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1094         Call targetm.set_up_by_prologue on it.
1095         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1096         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1097
1098 2012-01-17  Nick Clifton  <nickc@redhat.com>
1099
1100         * config/rx/rx.c (rx_can_use_simple_return): New function.
1101         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1102         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1103
1104 2012-01-17  Richard Guenther  <rguenther@suse.de>
1105
1106         PR middle-end/51782
1107         * expr.c (expand_assignment): Take address-space information
1108         from the address operand of MEM_REF and TARGET_MEM_REF.
1109         (expand_expr_real_1): Likewise.
1110
1111 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1112
1113         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1114         reload dump is requested.
1115
1116 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1117
1118         PR other/51165
1119         * trans-mem.c (requires_barrier): Call may_be_aliased.
1120
1121 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR tree-optimization/51877
1124         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1125         call arguments and fndecls compare equal, instead return false if they
1126         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1127         both SSA_NAMEs that are valueized the same, or they satisfy
1128         operand_equal_p.
1129
1130 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1131
1132         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1133         Solaris 11+.
1134         * configure: Regenerate.
1135
1136 2012-01-16  Jan Hubicka  <jh@suse.cz>
1137
1138         PR c/12245
1139         PR c++/14179
1140         * convert.c (convert_to_integer): Use fold_convert for
1141         converting an INTEGER_CST to integer type.
1142
1143 2012-01-16  Jason Merrill  <jason@redhat.com>
1144
1145         PR c++/14179
1146         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1147
1148 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1149
1150         PR bootstrap/51860
1151         * config/s390/s390.c (s390_chunkify_start): Don't skip
1152         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1153         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1154         If insn is followed by NOTE_INSN_VAR_LOCATION or
1155         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1156         Don't use location of note insns.
1157
1158         PR tree-optimization/51865
1159         * tree-inline.c (tree_function_versioning): Call remap_decl
1160         on DECL_RESULT whenever it has VOID_TYPE_P type.
1161
1162 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1163
1164         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1165         for calls to locally-binding MIPS16 functions if only the return
1166         type uses float regs.
1167
1168 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1169             Richard Sandiford  <rdsandiford@googlemail.com>
1170
1171         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1172         (SYMBOL_32_HIGH): Likewise.
1173         (mips_output_tls_reloc_directive): Declare.
1174         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1175         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1176         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1177         (mips_lo_relocs, mips_hi_relocs): Make extern.
1178         (mips16_stub_function): Move up file.
1179         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1180         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1181         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1182         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1183         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1184         (mips_get_tp): Add MIPS16 support.
1185         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1186         Generalize DTPREL and TPREL handling.
1187         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1188         Add MIPS16 TLS support.
1189         (mips_output_tls_reloc_directive): New function.
1190         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1191         * config/mips/predicates.md (symbolic_operand_with_high)
1192         (tls_reloc_operand): New predicates.
1193         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1194         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1195         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1196         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1197         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1198         (*tls_get_tp_mips16_call_<mode>): Likewise.
1199
1200 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1201
1202         PR rtl-optimization/51821
1203         * recog.c (peep2_find_free_register): Determine clobbered registers
1204         from insn pattern.
1205
1206 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1207
1208         PR target/50925
1209         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1210         * config/avr/avr.c: Likewise.
1211         * config/avr/avr.h: Likewise.
1212
1213 2012-01-13  Ian Lance Taylor  <iant@google.com>
1214
1215         PR c++/50012
1216         * tree.h (TYPE_QUALS): Add cast to int.
1217         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1218
1219 2012-01-13  Ian Lance Taylor  <iant@google.com>
1220
1221         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1222         comparing param_index to VEC_length result.
1223
1224 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1225
1226         * c-decl.c: Do not include tree-mudflap.h
1227         * tree-optimize.c: Likewise.
1228         * Makefile.in: Update dependencies.
1229
1230 2012-01-13  Richard Guenther  <rguenther@suse.de>
1231
1232         PR middle-end/8081
1233         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1234         variable-sized result always use RSO.
1235
1236 2012-01-12  DJ Delorie  <dj@redhat.com>
1237
1238         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1239         pointer type, not just the default pointer type.
1240
1241 2012-01-09  Richard Henderson  <rth@redhat.com>
1242             Denis Chertykov  <chertykov@gmail.com>
1243
1244         PR target/50925
1245         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1246         * config/avr/avr.c (avr_can_eliminate): Simplify.
1247         (avr_initial_elimination_offset): Likewise.
1248         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1249         (expand_epilogue): Likewise.
1250         (avr_legitimize_address): Gut.
1251         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1252         (avr_hard_regno_nregs): New.
1253         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1254         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1255         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1256         add soft frame pointer.
1257         (CALL_USED_REGISTERS): Likewise.
1258         (REG_CLASS_CONTENTS): Likewise.
1259         (REGISTER_NAMES): Likewise.
1260         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1261         (HARD_FRAME_POINTER_REGNUM): New.
1262         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1263         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1264         remove the HARD_FRAME_POINTER self-elimination.
1265
1266 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1267
1268         PR target/51756
1269         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1270         DECL_EXTERNAL when checking for initializers of progmem variables.
1271
1272 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1273
1274         PR tree-optimization/51799
1275         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1276         that the last operation is a type demotion.
1277
1278 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1279
1280         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1281         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1282
1283 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1284
1285         PR bootstrap/51796
1286         * combine.c (distribute_notes): If i3 is a noreturn call,
1287         allow old_size to be equal to args_size and make sure the
1288         noreturn call gets REG_ARGS_SIZE note.
1289         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1290         on noreturn calls even when the delta is 0.
1291
1292 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1293
1294         * gcov.c (STRING_SIZE): Remove.
1295         (generate_results): Erase annotations for source files with no
1296         coverage information.
1297         (read_line): New.
1298         (output_lines): Use it.
1299
1300 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1301
1302         * gimple.h (gimplify_body): Remove first argument.
1303         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1304         pointer set here, instead just pass DATA to walk_tree.
1305         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1306         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1307         (unvisit_body): Likewise, but with unmark_visited.
1308         (gimplify_body): Remove BODY_P argument and adjust.
1309         (gimplify_function_tree): Adjust call to gimplify_body.
1310         * omp-low.c (finalize_task_copyfn): Likewise.
1311
1312 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1313
1314         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1315         (build_function_type_skip_args): Delete.
1316         * tree.c (build_function_type_skip_args): Make static and add
1317         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1318         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1319         pass it to build_function_type_skip_args.
1320         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1321         (tree_function_versioning): Likewise.
1322         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1323         build_function_decl_skip_args.
1324         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1325         and pass it to build_function_decl_skip_args/tree_function_versioning.
1326         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1327         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1328         * trans-mem.c (ipa_tm_create_version): Likewise.
1329         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1330         * tree-inline.c (declare_return_variable): Remove always-true test.
1331         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1332         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1333         * ipa-split.c (split_function): Skip the return value for the split
1334         part if it doesn't return.
1335
1336 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1337
1338         PR tree-optimization/49642
1339         * ipa-split.c (forbidden_dominators): New variable.
1340         (check_forbidden_calls): New function.
1341         (dominated_by_forbidden): Likewise.
1342         (consider_split): Check for forbidden dominators.
1343         (execute_split_functions): Initialize and free forbidden
1344         dominators info; call check_forbidden_calls.
1345
1346 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1347
1348         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1349
1350 2012-01-11  Nick Clifton  <nickc@redhat.com>
1351
1352         * config/rx/rx.md (return): Define pattern.
1353
1354 2012-01-11  Richard Guenther  <rguenther@suse.de>
1355
1356         * doc/extend.texi (malloc attribute): Adjust according to
1357         implementation.
1358
1359 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1360             Patrick Marlier  <patrick.marlier@gmail.com>
1361
1362         PR middle-end/51516
1363         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1364         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1365         (ipa_tm_note_irrevocable): Same.
1366         (ipa_tm_scan_irr_block): Same.
1367         (ipa_tm_decrement_clone_counts): Same.
1368         (ipa_tm_scan_irr_function): Same.
1369         (ipa_tm_create_version_alias): Same.
1370         (ipa_tm_create_version): Same.
1371         (ipa_tm_transform_calls_redirect): Same.
1372         (ipa_tm_transform_calls): Same.
1373         (ipa_tm_transform_transaction): Same.
1374         (ipa_tm_execute): Same.
1375
1376 2012-01-10  Richard Guenther  <rguenther@suse.de>
1377
1378         PR middle-end/51806
1379         * opts.c (common_handle_option): Handle -Werror.
1380
1381 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1382
1383         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1384         operand number.
1385
1386 2012-01-10  Jason Merrill  <jason@redhat.com>
1387
1388         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1389         information.
1390
1391 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1392
1393         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1394         supports R_386_TLS_GD_PLT reloc.
1395         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1396         supports R_386_TLS_LDM_PLT reloc.
1397         * configure: Regenerate.
1398         * config.in: Regenerate.
1399
1400 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1401
1402         PR target/49868
1403         Extend __pgmx semantics to linearize memory.
1404         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1405         determine if code comes inline or from libgcc.
1406         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1407         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1408         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1409         (movmemx_qi, movmemx_hi): New insns.
1410         (xload_<mode>_libgcc): Rewrite to new insn condition.
1411         (xload_<mode>): Remove insns.
1412         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1413         cases that don't satisfy avr_xload_libgcc_p().
1414         (avr_addr_space_convert): Allow converting in any direction.
1415         (avr_addr_space_subset_p): Return always true.
1416         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1417         (avr_emit_movmemhi): Ditto.
1418         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1419         (avr_out_movmem): Ditto.
1420         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1421         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1422         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1423         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1424         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1425
1426 2012-01-10  Richard Guenther  <rguenther@suse.de>
1427
1428         PR tree-optimization/50913
1429         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1430         Require data-refs to be representable by Graphite with respect
1431         to any loop nest.
1432
1433 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1434
1435         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1436         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1437
1438 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1439
1440         PR rtl-optimization/51271
1441         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1442         handling annulled branch.
1443
1444 2012-01-10  Richard Henderson  <rth@redhat.com>
1445
1446         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1447         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1448         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1449         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1450         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1451         arm_expand_vec_perm_const): New.
1452         * config/arm/arm-protos.h: Update.
1453         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1454         (*neon_vswp<VDQX>): New.
1455         (neon_vcombine<VDX>): Use neon_split_vcombine.
1456         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1457         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1458         (vec_perm<VE>): New.
1459
1460 2012-01-10  Richard Henderson  <rth@redhat.com>
1461
1462         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1463         use it if reload_completed.
1464         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1465         arm_output_asm_insn, arm_process_output_memory_barrier,
1466         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1467         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1468         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1469         arm_process_output_sync_insn, arm_output_sync_insn,
1470         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1471         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1472         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1473         (emit_unlikely_jump): New.
1474         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1475         (arm_split_atomic_op): New.
1476         * config/arm/arm-protos.h: Update.
1477         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1478         (struct arm_sync_generator): Remove.
1479         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1480         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1481         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1482         (VUNSPEC_LL, VUNSPEC_SC): New.
1483         (sync_result, sync_memory, sync_required_value, sync_new_value,
1484         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1485         (attr length): Don't use arm_sync_loop_insns.
1486         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1487         (movsfcc, movdfcc): Likewise.
1488         * config/arm/constraints.md (Ua): New.
1489         * config/arm/prediates.md (mem_noofs_operand): New.
1490         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1491         (sync_clobber, sync_t2_reqd): Remove.
1492         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1493         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1494         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1495         (arm_sync_compare_and_swap<SIDI>): Remove.
1496         (arm_sync_compare_and_swap<NARROW>): Remove.
1497         (arm_sync_lock_test_and_set<SIDI>): Remove.
1498         (arm_sync_lock_test_and_set<NARROW>): Remove.
1499         (arm_sync_new_<syncop><SIDI>): Remove.
1500         (arm_sync_new_<syncop><NARROW>): Remove.
1501         (arm_sync_new_nand<SIDI>): Remove.
1502         (arm_sync_new_nand<NARROW>): Remove.
1503         (arm_sync_old_<syncop><SIDI>): Remove.
1504         (arm_sync_old_<syncop><NARROW>): Remove.
1505         (arm_sync_old_nand<SIDI>): Remove.
1506         (arm_sync_old_nand<NARROW>): Remove.
1507         (*memory_barrier): Merge arm_output_memory_barrier.
1508         (atomic_compare_and_swap<QHSD>): New.
1509         (atomic_compare_and_swap<NARROW>_1): New.
1510         (atomic_compare_and_swap<SIDI>_1): New.
1511         (atomic_exchange<QHSD>): New.
1512         (cas_cmp_operand, cas_cmp_str): New.
1513         (atomic_op_operand, atomic_op_str): New.
1514         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1515         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1516         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1517         (arm_load_exclusive<NARROW>): New.
1518         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1519         (arm_store_exclusive<QHSD>): New.
1520
1521 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1522
1523         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1524         reload patterns if -mvsx-scalar-memory.
1525
1526         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1527         generated, even -mno-vsx-scalar-double was used.
1528         (vsx_xscvdpsp_scalar): Likewise.
1529         (vsx_xscvspdp_scalar2): Likewise.
1530
1531 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1532             Andrew Pinski  <apinski@cavium.com>
1533
1534         PR debug/51471
1535         * reorg.c (fill_slots_from_thread): Don't speculate
1536         frame-related insns.
1537
1538 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1539
1540         * sched-int.h (bb_note): Move to...
1541         * basic-block.h: ...here.
1542         * haifa-sched.c (bb_note): Move to...
1543         * cfgrtl.c: ...here.
1544         * function.c (next_block_for_reg): New function.
1545         (move_insn_for_shrink_wrap): Likewise.
1546         (prepare_shrink_wrap): Rewrite to use the above.
1547
1548 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1549
1550         * gimple.c (is_gimple_non_addressable): Remove.
1551         * gimple.h: Remove is_gimple_non_addressable.
1552         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1553         is_gimple_non_addressable.
1554         * trans-mem.c (expand_assign_tm): Same.
1555
1556 2012-01-09  Richard Guenther  <rguenther@suse.de>
1557
1558         PR tree-optimization/51775
1559         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1560         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1561
1562 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1563
1564         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1565         tuning parameters.
1566         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1567
1568 2012-01-09  Richard Guenther  <rguenther@suse.de>
1569
1570         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1571
1572 2012-01-08  Jan Hubicka  <jh@suse.cz>
1573
1574         PR tree-optimize/51680
1575         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1576         on when known_vals needs to be computed; cleanup.
1577
1578 2012-01-08  Jan Hubicka  <jh@suse.cz>
1579
1580         PR tree-optimize/51694
1581         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1582
1583 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1584
1585         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1586         for -std=c++98 and -std=c++11 too.
1587
1588 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1589
1590         * cfgloop.c (cancel_loop): Add free() of bbs array.
1591
1592 2012-01-07  Jan Hubicka  <jh@suse.cz>
1593
1594         PR tree-optimization/51600
1595         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1596         that benefits small functions.
1597
1598 2012-01-07  Jan Hubicka  <jh@suse.cz>
1599
1600         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1601
1602 2012-01-07  Jan Hubicka  <jh@suse.cz>
1603
1604         PR tree-optimization/51680
1605         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1606         whose inlining reduce unit size.
1607
1608 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1609
1610         PR bootstrap/51725
1611         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1612         Add canonical node to containing_mem chain after the non-canonical
1613         one, even if there weren't any locs to propagate.
1614         (remove_useless_values): Keep only canonical values.
1615         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1616         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1617         canonicalize mem_chain elements that are not discarded.
1618
1619 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR target/47333
1622         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1623         before emitting functions.
1624
1625         PR gcov-profile/50127
1626         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1627         clear_aux_for_blocks.
1628
1629 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1630
1631         PR debug/51746
1632         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1633
1634 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1635
1636         * c-decl.c (ext_block): Moved up.
1637         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1638
1639 2012-01-06  Han Shen  <shenhan@google.com>
1640
1641         Translate built-in include paths for sysroot.
1642         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1643         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1644
1645         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1646         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1647
1648         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1649         control whether sysroot should be prepended to gxx include dir.
1650
1651         * configure: Regenerate.
1652
1653 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1654
1655         PR rtl-optimization/51771
1656         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1657         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1658
1659 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1660
1661         PR tree-optimization/51315
1662         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1663         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1664
1665 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         PR target/51681
1668         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1669         for shrp pattern.  Correctly handle and fixup shift variable.
1670         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1671
1672 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1673
1674         PR debug/51762
1675         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1676         note when !ACCUMULATE_OUTGOING_ARGS.
1677
1678 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1679
1680         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1681         condition.
1682         (extract_range_from_unary_expr_1): Avoid useless computations.
1683
1684 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1685
1686         PR rtl-optimization/51767
1687         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1688         of jump_block and add an extra edge for degenerated asm gotos.
1689
1690         PR middle-end/51768
1691         * stmt.c (check_unique_operand_names): Don't ICE during error
1692         reporting if i is from labels chain.
1693
1694         PR middle-end/44777
1695         * profile.c (branch_prob): Split bbs that have exit edge
1696         and need a fake entry edge too.
1697
1698 2012-01-05  Jan Hubicka  <jh@suse.cz>
1699
1700         PR middle-end/49710
1701         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1702         unlooping loops.
1703
1704 2012-01-05  Richard Guenther  <rguenther@suse.de>
1705
1706         PR lto/50490
1707         * tree-streamer-out.c (write_ts_optimization): New function.
1708         (streamer_write_tree_body): Call it.
1709         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1710         (streamer_read_tree_body): Call it.
1711         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1712
1713 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR middle-end/51761
1716         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1717         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1718         in_cleanup_point_expr before gimplify_stmt call and restore it
1719         afterwards.
1720         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1721         in_cleanup_point_expr is false.
1722
1723 2012-01-05  Richard Guenther  <rguenther@suse.de>
1724
1725         PR middle-end/51764
1726         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1727         to c.opt.
1728         * toplev.c (process_options): Reject combining mudflap and LTO.
1729         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1730
1731 2012-01-05  Richard Guenther  <rguenther@suse.de>
1732
1733         PR tree-optimization/51760
1734         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1735         not VARYING.
1736         (bit_value_unop): Handle UNDEFINED operands.
1737         (bit_value_binop): Likewise.
1738
1739 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1740
1741         * config/avr/avr.c (avr_replace_prefix): Remove.
1742         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1743         (avr_asm_function_rodata_section): Ditto.
1744         (avr_asm_select_section): Ditto.
1745
1746 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1747
1748         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1749         insertion.
1750
1751 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1752
1753         PR bootstrap/51648
1754         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1755         calls that have any non-fake successor edges.
1756
1757         PR debug/51746
1758         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1759
1760 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1761
1762         PR tree-optimization/51624
1763         * tree-sra.c (build_ref_for_model): When replicating a chain of
1764         COMPONENT_REFs, stop as soon as the offset would become negative.
1765
1766 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1767
1768         PR debug/51695
1769         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1770         in .debug_loc on the floor.
1771
1772 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1773
1774         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1775
1776 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1777             Adam Nemet  <anemet@caviumnetworks.com>
1778
1779         * config/mips/mips.md (size): Add SI and DI.
1780         (SIZE): New mode attribute.
1781         (U): New code attribute.
1782         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1783         (mips_lbux_<mode>): Delete.
1784         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1785         (mips_lhx): Use gen_mips_lhx_extsi.
1786         (mips_lhx_<mode>): Delete.
1787         (mips_lwx): Delete.
1788         (mips_l<size>x): New expand.
1789         (mips_lwx_<mode>): Delete.
1790         (mips_l<GPR:size>x_<P:mode>): New pattern.
1791         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1792         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1793         * config/mips/mips.c (mips_lx_address_p): New function.
1794         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1795         (dsp64): New availability predicate.
1796         (mips_builtins): Add an entry for __builtin_mips_ldx.
1797         * config/mips/mips.h (ISA_HAS_LBX): New define.
1798         (ISA_HAS_LBUX): Likewise.
1799         (ISA_HAS_LHX): Likewise.
1800         (ISA_HAS_LHUX): Likewise.
1801         (ISA_HAS_LWX): Likewise.
1802         (ISA_HAS_LWUX): Likewise.
1803         (ISA_HAS_LDX): Likewise.
1804         * doc/extend.texi (__builtin_mips_ldx): Document.
1805
1806 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1807
1808         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1809         when long pointers are used.
1810         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1811         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1812         (ia64-hp-*vms*): Remove.
1813         * config/vms/xm-vms64.h: Delete.
1814
1815 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1816
1817         PR middle-end/51472
1818         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1819
1820 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1821
1822         * opts.c (finish_options): Remove duplicate sorry.
1823
1824 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1825
1826         PR middle-end/51696
1827         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1828         correctly.
1829
1830 2012-01-04  Richard Guenther  <rguenther@suse.de>
1831
1832         PR middle-end/51750
1833         * tree.c (size_low_cst): New function.
1834         * tree.h (size_low_cst): Declare.
1835         * fold-const.c (fold_comparison): Use it to extract the low
1836         part of the POINTER_PLUS_EXPR offset.
1837
1838 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1839
1840         Fix clearing ZERO_REG
1841         * config/avr/avr.md (cc): Add alternative "ldi".
1842         (movqi_insn): Use it in cc attribute.
1843         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1844         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1845         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1846
1847 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1848
1849         * configure: Regenerate.
1850
1851 2012-01-04  Richard Guenther  <rguenther@suse.de>
1852
1853         PR tree-optimization/49651
1854         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1855         (var_can_have_subvars): Use it.
1856         (get_constraint_for_1): Only consider subfields if there can be any.
1857
1858 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1859
1860         PR bootstrap/51725
1861         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1862         to its new canonical_cselib_val and the cselib_val was in
1863         first_containing_mem chain, but the canonical_cselib_val was not,
1864         add the latter into the chain.
1865         (cselib_invalidate_mem): Compare canonical_cselib_val of
1866         addr_list chain elt with v.
1867
1868         PR pch/51722
1869         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1870         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1871         of xstrdup.
1872         (output_macinfo_op): Don't ggc_strdup fd->filename.
1873         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1874         then ggc_strdup it.  Don't free inc->info or cur->info.
1875         (output_macinfo): Don't free ref->info or file->info.
1876
1877 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1878
1879         PR tree-optimization/51269
1880         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1881         first_niters a pointer.
1882         (slpeel_tree_peel_loop_to_edge): Likewise.
1883         (vect_do_peeling_for_loop_bound): Update call to
1884         slpeel_tree_peel_loop_to_edge.
1885         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1886         here.  Remove it from the parameters list.
1887         (vect_do_peeling_for_alignment): Update calls and compute
1888         wide_prolog_niters.
1889
1890 2012-01-03  Richard Guenther  <rguenther@suse.de>
1891
1892         PR tree-optimization/51070
1893         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1894         Properly handle calls.
1895
1896 2012-01-03  Richard Guenther  <rguenther@suse.de>
1897
1898         PR tree-optimization/51692
1899         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1900         the LHS of allocation stmts.
1901
1902 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1903
1904         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1905
1906 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1907
1908         * collect2.c (main): In AIX specific computations for vector
1909         insertions, use CONST_CAST2 to cast from char ** to const char **.
1910
1911 2012-01-03  Richard Guenther  <rguenther@suse.de>
1912
1913         PR debug/51650
1914         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1915         the context of a limbo DIE when it does not already exist.
1916
1917 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1918
1919         PR tree-optimization/51719
1920         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1921         but direct call is, clear direct call's lhs and don't add fallthrough
1922         edge from dcall_bb to join_bb and PHIs.
1923
1924 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1925
1926         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1927         the instructions emitted by the pattern.
1928         ("*TDC_insn_<mode>"): Add comment.
1929
1930 2012-01-03  Richard Guenther  <rguenther@suse.de>
1931
1932         PR middle-end/51730
1933         * fold-const.c (fold_comparison): Properly canonicalize
1934         tree offset and HOST_WIDE_INT bit position.
1935
1936 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1937
1938         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1939         operands for extzv pattern.
1940
1941 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1942
1943         PR bootstrap/51725
1944         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1945         on mem_elt first.
1946
1947 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1948
1949         * doc/invoke.texi (-flto and related options): Copy-edit.
1950
1951 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1952
1953         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1954
1955 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1956
1957         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1958         New patterns.
1959
1960 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1961
1962         * expr.h (move_by_pieces_ninsns): Declare.
1963         * expr.c (move_by_pieces_ninsns): Make external.
1964         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1965         (mips_store_by_pieces_p): Likewise.
1966         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1967         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1968         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1969         (mips_store_by_pieces_p): Likewise.
1970
1971 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1972
1973         * passes.c (register_one_dump_file): Free full_name.
1974
1975         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1976         (calculate_elim_costs_all_insns): Free offsets_at and
1977         offsets_known_at at the end and clear the pointers.
1978
1979 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1980
1981         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1982         this option introduced in r180739.
1983
1984 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1985
1986         PR target/51345
1987         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1988         (tmake_file target=avr): Add avr/t-multilib.
1989
1990         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1991         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1992         * config/avr/genmultilib.awk: New file.
1993         * config/avr/t-multilib: New auto-generated file.
1994         * config/avr/multilib.h: New auto-generated file.
1995         * config/avr/t-avr (AVR_MCUS): New variable.
1996         (genopt.sh): Use it.
1997         (s-mlib): Depend on t-multilib.
1998         (t-multilib, multilib.h): New dependencies.
1999         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2000         (MULTILIB_OPTIONS): Remove.
2001         (MULTILIB_MATCHES): Remove.
2002         (MULTILIB_DIRNAMES): Remove.
2003         (MULTILIB_EXCEPTIONS): Remove:
2004         * config/avr/genopt.sh: Don't use hard coded file name;
2005         pass AVR_MCUS from t-avr instead.
2006
2007 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2008
2009         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2010
2011 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2012
2013         Implement light-weight DImode support.
2014         * config/avr/avr-dimode.md: New file.
2015         * config/avr/avr.md: Include it.
2016         (adjust_len): Add plus64, compare64.
2017         (HIDI): Remove code iterator.
2018         (code_stdname): New code attribute.
2019         (rotx, rotsmode): Remove DI.
2020         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2021         as code iterator.
2022         * config/avr/avr-protos.h (avr_have_dimode): New.
2023         (avr_out_plus64, avr_out_compare64): New.
2024         * config/avr/avr.c (avr_out_compare): Handle DImode.
2025         (avr_have_dimode): New variable definition and initialization.
2026         (avr_out_compare64, avr_out_plus64): New functions.
2027         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2028         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2029         (avr_compare_pattern): Skip DImode comparisons.
2030
2031 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2032
2033         * ddg.c (def_has_ccmode_p): New function.
2034         (add_cross_iteration_register_deps,
2035         create_ddg_dep_from_intra_loop_link): Call it.
2036
2037 2012-01-02  Richard Guenther  <rguenther@suse.de>
2038
2039         PR other/51679
2040         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2041
2042 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2043
2044         * gcc.c (process_command): Update copyright notice dates.
2045         * gcov.c (print_version): Likewise.
2046         * gcov-dump.c (print_version): Likewise.
2047         * mips-tfile.c (main): Likewise.
2048         * mips-tdump.c (main): Likewise.
2049
2050 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2051
2052         PR tree-optimization/51704
2053         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2054         a use is inside the basic block or loop before accessing its vect info.
2055
2056 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2057
2058         PR rtl-optimization/51069
2059         * cfgloopmanip.c (remove_path): Removing path making irreducible
2060         region unconditional makes BB part of the region.
2061
2062 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2063
2064         PR tree-optimization/51683
2065         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2066         calls with side-effects.
2067         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2068 \f
2069 Copyright (C) 2012 Free Software Foundation, Inc.
2070
2071 Copying and distribution of this file, with or without modification,
2072 are permitted in any medium without royalty provided the copyright
2073 notice and this notice are preserved.