gcc/ChangeLog

   1 2012-02-08  Richard Guenther  <rguenther@suse.de>
   2
   3         PR rtl-optimization/52170
   4         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
   5         properly handle integer vector modes.
   6
   7 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR gcov-profile/52150
  10         * coverage.c: Include target.h.
  11         (build_var): Call targetm.strip_name_encoding on the assembler name.
  12         Change one _ into . or $ if the target allows it.
  13         * Makefile.in (coverage.o): Depend on $(TARGET_H).
  14
  15         PR rtl-optimization/52139
  16         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
  17         is a BARRIER after emit_insn_after_noloc, move BB_END
  18         to the last non-BARRIER insn before it.
  19
  20 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
  21
  22         PR middle-end/24306
  23         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
  24         (mips_gimplify_va_arg_expr): Call it instead of
  25         std_gimplify_va_arg_expr.
  26
  27 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
  28
  29         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
  30         message for -mno-pointers-to-nested-function.
  31
  32 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
  33
  34         PR middle-end/51994
  35         * expr.c (get_inner_reference): If there is an offset, add a negative
  36         bit position to it (if any).
  37
  38 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  39
  40         PR rtl-optimization/52060
  41         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
  42         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
  43         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
  44         and/or i0src_copy2 when needed.
  45
  46 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  47
  48         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
  49         or LTOPLUGINSONAME if have_c.
  50
  51         * config/freebsd-spec.h: Add comment about what macros can be defined
  52         in this header.
  53         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
  54         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
  55         here instead.
  56
  57 2012-02-07  Richard Guenther  <rguenther@suse.de>
  58
  59         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
  60         newline in -alias dumps.
  61
  62 2012-02-07  Kai Tietz  <ktietz@redhat.com>
  63             Dave Korn  <dave.korn.cygwin@gmail.com>
  64
  65         PR target/40068
  66         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
  67         Take care that typinfo gets dllexport-attribute.
  68
  69 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  70
  71         PR middle-end/52074
  72         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
  73         if modifier < EXPAND_SUM call force_operand on the result.
  74
  75 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
  76
  77         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
  78         adding __forwarder_dst__ prefix if a forwarder_section attribute is
  79         present.
  80         (epiphany_function_type): Replace types for specific interrupts with
  81         EPIPHANY_FUNCTION_INTERRUPT.
  82         (EPIPHANY_INTERRUPT_P): Update.
  83         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
  84         New static function.
  85         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
  86         <disinterrupt>: Affects type identity.
  87         (epiphany_handle_interrupt_attribute): Handle variable number of
  88         arguments.
  89         (epiphany_compute_function_type): Update for new
  90         epiphany_function_type definition.
  91         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
  92         handlers with a longcall forwarder.
  93         (epiphany_start_function): Handle multiple interrupt arguments and/or
  94         forwarder_section attribute.
  95
  96         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
  97
  98 2012-02-07  Alan Modra  <amodra@gmail.com>
  99
 100         PR target/52107
 101         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
 102         subregs of TFmode.
 103
 104 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 105
 106         PR tree-optimization/50969
 107         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
 108         use vec_perm rather than vector_stmt.
 109         (vect_model_load_cost): Likewise.
 110         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
 111         vec_perm to be the same as other vector statements.
 112         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
 113         cost of vec_perm for TARGET_VSX.
 114
 115 2012-02-06  Richard Guenther  <rguenther@suse.de>
 116
 117         PR tree-optimization/52115
 118         * tree-sra.c (access_has_replacements_p): New function.
 119         (sra_modify_assign): Use it to decide whether a use is uninitialized.
 120
 121 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
 122
 123         PR middle-end/52047
 124         * trans-mem.c (expand_call_tm): Add an assertion.
 125         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
 126         functions.
 127
 128 2012-02-06  Richard Guenther  <rguenther@suse.de>
 129
 130         PR tree-optimization/50955
 131         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
 132         raise cost of expressions that replace an address with an
 133         expression based on a different pointer.
 134
 135 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
 136
 137         PR target/52129
 138         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
 139         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
 140
 141 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
 142
 143         PR c++/48680
 144         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
 145         -Weffc++ and specify guidelines come from second edition.
 146
 147 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 148
 149         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
 150         (sibcall_value_multiple_internal, call_split, call_internal_direct)
 151         (call_direct_split, call_value_split, call_value_internal_direct)
 152         (call_value_direct_split, call_value_multiple_split): Use jal and
 153         jal_macro attributes.
 154
 155 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 156
 157         * reload1.c (reload_regs_reach_end_p): Replace with...
 158         (reload_reg_rtx_reaches_end_p): ...this function.
 159         (new_spill_reg_store): Update commentary.
 160         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
 161         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
 162         before setting new_spill_reg_store.
 163         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
 164         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
 165         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
 166         for non-spill reload registers.
 167
 168 2012-02-05  Ira Rosen  <irar@il.ibm.com>
 169
 170         PR tree-optimization/52091
 171         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
 172         (vect_is_simple_use_1): Likewise.
 173         * tree-vect-loop.c (vectorizable_reduction): Update calls
 174         to vect_is_simple_use_1 and vect_is_simple_use.
 175         (vectorizable_live_operation): Likewise.
 176         * tree-vect-patterns.c (widened_name_p,
 177         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
 178         Likewise.
 179         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
 180         vectorizable_call, vectorizable_conversion,
 181         vectorizable_assignment, vectorizable_shift,
 182         vectorizable_operation, vectorizable_store, vectorizable_load):
 183         Likewise.
 184         (vect_is_simple_cond): Add an argument, pass it to
 185         vect_is_simple_use_1.
 186         (vectorizable_condition): Update calls to vect_is_simple_cond,
 187         vect_is_simple_use.
 188         (vect_is_simple_use): Add an argument, the statement in which
 189         OPERAND is used.  Check that if OPERAND's def stmt is a double
 190         reduction phi node, the use is a phi node too.
 191         (vect_is_simple_use_1): Add an argument, pass it to
 192         vect_is_simple_use.
 193         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
 194         to vect_is_simple_use.
 195
 196 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
 197
 198         PR rtl-optimization/52095
 199         * modulo-sched.c (dump_insn_locator): New function.
 200         (loop_canon_p, sms_schedule): Use it.
 201
 202         PR rtl-optimization/52113
 203         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 204         even for decomposable shift/zext insns.
 205
 206 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 207             Zdenek Dvorak  <ook@ucw.cz>
 208
 209         PR rtl-optimization/52092
 210         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 211         on get_iv_value result.
 212
 213 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 214
 215         PR middle-end/47982
 216         PR middle-end/43967
 217         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 218
 219 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 220
 221         PR middle-end/48071
 222         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 223
 224 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 225
 226         PR rtl-optimization/49800
 227         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 228         (sched_finish): Call regstat_free_n_sets_and_refs.
 229
 230 2012-02-02  Jia Liu  <proljc@gmail.com>
 231
 232         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 233         than operand 2.
 234
 235 2012-02-02 Jan Hubicka  <jh@suse.cz>
 236            Tom de Vries  <tom@codesourcery.com>
 237
 238         PR middle-end/51998
 239         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 240         * varpool.c (varpool_analyze_pending_decls): Likewise.
 241
 242 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 243             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 244
 245         * config.gcc: Add cr16-* support.
 246
 247         * doc/extend.texi: Document cr16 extensions.
 248         * doc/install.texi: Document cr16 install.
 249         * doc/invoke.texi: Document cr16 options.
 250         * doc/md.texi: Document cr16 constraints.
 251
 252         * common/config/cr16/cr16-common.c: New file.
 253         * config/cr16/cr16.c: New file.
 254         * config/cr16/cr16.h: New file.
 255         * config/cr16/cr16.md: New file.
 256         * config/cr16/cr16.opt: New file.
 257         * config/cr16/cr16-protos.h: New file.
 258         * config/cr16/predicates.md: New file.
 259         * config/cr16/constraints.md: New file.
 260         * config/cr16/t-cr16: New file.
 261
 262 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 263
 264         PR target/52086
 265         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 266         that operands[2] is either immediate, or q_regs_operand.
 267
 268         PR tree-optimization/52073
 269         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 270         a pattern stmt for pattern uses, ignore uses outside of the loop.
 271
 272 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 273
 274         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 275         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 276         (OUT_AS1, OUT_AS2): Remove.
 277
 278 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 279
 280         PR rtl-optimization/51374
 281         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 282         to cross other volatile_refs_p insns.
 283
 284 2012-02-01  Richard Guenther  <rguenther@suse.de>
 285
 286         * doc/invoke.texi (fno-inline): Clarify documentation.
 287         (finline-small-functions): Likewise.
 288         (finline-functions): Likewise.
 289         * common.opt (finline): Adjust comment and documentation.
 290         (finline-small-functions): Clarify documentation.
 291         (finline-functions): Likewise.
 292         (finline-functions-called-once): Likewise.
 293
 294 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 295
 296         * c-typeck.c (composite_type): Keep mode for pointers.
 297
 298 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 299
 300         * function.h (regno_reg_rtx): Adjust comment.
 301         * reginfo.c (init_reg_modes_target): Only use the previous mode
 302         if it fits within one register.  Remove MIPS comment.
 303
 304 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 305
 306         PR bootstrap/52058
 307         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 308
 309 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 310
 311         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 312         to srak instruction.
 313
 314 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 315
 316         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
 317         condition.
 318
 319 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 320
 321         PR bootstrap/52041
 322         PR bootstrap/52039
 323         PR target/51974
 324         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 325
 326 2012-01-31  Richard Guenther  <rguenther@suse.de>
 327
 328         PR tree-optimization/51528
 329         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 330         assigns.
 331
 332 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 333
 334         PR bootstrap/52041
 335         PR bootstrap/52039
 336         PR target/51974
 337         * ree.c (add_removable_extension): Change def_map argument
 338         to unsigned *, store in def_map 1 + offset into *insn_list vector
 339         instead of pointers into the vector.
 340         (find_removable_extensions): Adjust caller.
 341
 342 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 343
 344         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 345         Transform all "* quoted-c-code" to { c-code }.
 346         Remove redundant test for "optimize" in combine patterns.
 347         Move (include "avr-dimode.md") to end of file.
 348
 349 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 350
 351         PR target/51835
 352         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 353         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 354
 355 2012-01-30  Richard Guenther  <rguenther@suse.de>
 356
 357         PR tree-optimization/52028
 358         * tree-loop-distribution.c (ldist_gen): Properly update
 359         virtual SSA form.
 360
 361 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 362
 363         PR debug/52027
 364         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 365         set_cur_line_info_table if not emitting debug info.
 366
 367         PR tree-optimization/52046
 368         * tree-vect-patterns.c (check_bool_pattern): Give up if
 369         a comparison could throw.
 370
 371         PR debug/52048
 372         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 373
 374 2012-01-30  Richard Guenther  <rguenther@suse.de>
 375
 376         PR tree-optimization/52045
 377         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 378         SSA form if cfgcleanup did anything.
 379
 380 2012-01-30  Richard Guenther  <rguenther@suse.de>
 381
 382         PR tree-optimization/52045
 383         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 384         before computing final todo.
 385
 386 2012-01-30  Richard Guenther  <rguenther@suse.de>
 387
 388         PR tree-optimization/51528
 389         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 390         for PR51528 fix.
 391
 392 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 393
 394         * df-problems.c (df_kill_notes): Check that the use refers
 395         to the note under examination.
 396
 397 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 398
 399         PR target/51920
 400         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 401         parameter and use short-lived pseudos.
 402         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 403         (sparc_expand_vector_init): Const-ify local variables and adjust
 404         calls to above functions.
 405
 406 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 407
 408         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 409
 410 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 411
 412         * doc/invoke.texi: Make usage of "compile time" and
 413         "run time"/"runtime" consistent throughout the file.
 414
 415 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 416
 417         * config/alpha/alpha.c (alpha_option_overrride): Default to
 418         full IEEE compliance mode for Go language.
 419
 420 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 421
 422         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 423         (LINK_SSP_SPEC): Define.
 424
 425 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 426
 427         PR target/51871
 428         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 429         stubs.
 430
 431 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 432
 433         * doc/invoke.texi: Correct hyphenation of "floating point",
 434         "double precision", and related terminology throughout the file.
 435
 436 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 437
 438         PR target/52006
 439         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 440         arm_general_register_operand predicate for operand 2 instead of
 441         register_operand.
 442
 443 2012-01-27  Ian Lance Taylor  <iant@google.com>
 444
 445         PR go/47656
 446         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 447         * builtins.c (expand_builtin_init_trampoline): Add onstack
 448         parameter.  Change caller.
 449         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 450         * tree.c (build_common_builtin_nodes): Declare
 451         __builtin_init_heap_trampoline.
 452
 453 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 454
 455         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 456         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 457         * config/avr/avr.c: Ditto.
 458         (avr_regnames): Remove because unused.
 459         * config/avr/avr.md (*cpse.ne): New peephole.
 460         (*cpse.eq): New peephole from former cpse peepholes.
 461
 462 2012-01-27  Michael Eager  <eager@eagercon.com>
 463
 464         * config/microblaze.c (microblaze_emit_compare): Correct
 465         test after pcmp instruction.
 466
 467 2012-01-27  Richard Guenther  <rguenther@suse.de>
 468
 469         PR tree-optimization/52020
 470         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 471
 472 2012-01-27  Richard Guenther  <rguenther@suse.de>
 473
 474         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 475         function non-const/pure.
 476
 477 2012-01-27  Richard Guenther  <rguenther@suse.de>
 478
 479         PR tree-optimization/50444
 480         * tree-sra.c (build_ref_for_offset): Properly adjust the
 481         MEM_REF type for unaligned accesses.
 482
 483 2012-01-27  Richard Guenther  <rguenther@suse.de>
 484
 485         PR tree-optimization/50444
 486         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 487         (expand_assignment): Use it.  Properly handle misaligned
 488         bases when expanding stores to component references.
 489         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 490         refactor that case.
 491
 492 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 493
 494         PR middle-end/51389
 495         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 496         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 497         * tree-data-ref.c (find_data_references_in_loop): Make static.
 498         (compute_all_dependences): Change return type to bool.  Bail out
 499         for too many datarefs in a loop.  Move the hunk resetting the data
 500         dependences vector from ...
 501         (compute_data_dependences_for_loop): ... here.  Account for
 502         compute_all_dependences returning false.
 503         (compute_data_dependences_for_bb): Likewise.
 504         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 505         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 506
 507 2012-01-27  Richard Guenther  <rguenther@suse.de>
 508
 509         PR middle-end/51959
 510         * expr.c (store_field): Use the alias-set of the scratch memory
 511         for storing to it.
 512
 513 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 514
 515         PR tree-optimization/51990
 516         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 517         WITH_SIZE_EXPR.
 518         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 519
 520 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 521
 522         PR debug/52001
 523         * var-tracking.c (reverse_op): Don't add any reverse operation
 524         if V already has any constant locations.
 525
 526 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 527
 528         * doc/invoke.texi: Correct usage of "command line" (noun)
 529         vs "command-line" (adjective) throughout.
 530
 531 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 532
 533         * doc/invoke.texi (Language Independent Options): Move
 534         -Wcoverage-mismatch blurb from here....
 535         (Warning Options): ...to here.
 536
 537 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 538
 539         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 540         Set rs6000_always_hint to false for 476.
 541
 542 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 543
 544         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 545           system root.
 546         * incpath.c (add_standard_paths): Likewise.
 547
 548 2012-01-27  Richard Henderson  <rth@redhat.com>
 549
 550         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 551         * config/m68k/sync.md (atomic_test_and_set): Rename from
 552         sync_test_and_setqi and adjust the operands.
 553         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 554         and unconditionally enable.
 555
 556 2012-01-27  Richard Henderson  <rth@redhat.com>
 557
 558         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 559         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 560         (ldstub): Rename from ldstubqi.
 561         (ldstub<I24MODE>): Remove.
 562
 563 2012-01-27  Richard Henderson  <rth@redhat.com>
 564
 565         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 566         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 567         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 568         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 569         * doc/tm.texi: Rebuild.
 570
 571 2012-01-27  Richard Henderson  <rth@redhat.com>
 572
 573         * optabs.c (gen_atomic_test_and_set): Remove default.
 574         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 575
 576 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 577
 578         PR rtl-optimization/51978
 579         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 580         (combine_reaching_defs): Likewise.
 581         (struct re_info): Remove.
 582         (add_removable_extension): Remove x and data arguments,
 583         add insn, insn_list and def_map.  Use the arguments directly
 584         instead of using struct re_info.
 585         (find_removable_extensions): Don't call add_removable_extension
 586         through note_stores, instead just call it with single_set
 587         result if non-NULL.
 588         (find_and_remove_re): Pass curr_cand->expr instead of
 589         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 590
 591 2012-01-26  Michael Matz  <matz@suse.de>
 592
 593         PR tree-optimization/46590
 594         * cfgexpand.c: Revert last change (r183305).
 595         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 596         regs.
 597         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 598         checking for emptiness.
 599
 600 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 601
 602         PR middle-end/51895
 603         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 604         non-addressable non-BLKmode base correctly.
 605
 606 2012-01-26  Michael Matz  <matz@suse.de>
 607
 608         PR tree-optimization/48794
 609         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 610         regions referenced from RESX/EH_DISPATCH.
 611
 612 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 613
 614         * config/s390/s390.h: Make BRANCH_COST an option.
 615         * config/s390/s390.opt: New option -mbranch-cost.
 616
 617 2012-01-26  Richard Henderson  <rth@redhat.com>
 618
 619         Revert 2012-01-24 change:
 620         * trans-mem.c (requires_barrier): Do not instrument thread local
 621         variables and emit save/restore for them.
 622
 623 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 624
 625         PR middle-end/51986
 626         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 627         for pat == 0.
 628
 629 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 630
 631         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 632         ASM_OPERANDS.
 633
 634 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 635
 636         PR target/49868
 637         Rename __pgm to __flash.
 638         Rename __pgm1 to __flash1.
 639         Rename __pgm2 to __flash2.
 640         Rename __pgm3 to __flash3.
 641         Rename __pgm4 to __flash4.
 642         Rename __pgm5 to __flash5.
 643         Rename __pgmx to __memx.
 644         * doc/extend.texi (AVR Named Address Spaces)
 645         Rename address space names as indicated above.
 646         * config/avr/avr.c (avr_addrspace): Ditto.
 647
 648         * config/avr/avr-protos.h
 649         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 650         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 651         * config/avr/predicates.md: Ditto.
 652         * config/avr/avr.c Ditto, and
 653         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 654         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 655
 656         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 657         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 658         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 659         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 660         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 661         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 662         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 663         * config/avr/avr.c: Ditto.
 664         * config/avr/avr.md: Ditto.
 665
 666 2012-01-25  Jason Merrill  <jason@redhat.com>
 667
 668         PR c++/51992
 669         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 670
 671 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 672
 673         PR tree-optimization/51987
 674         * tree-data-ref.c (get_references_in_stmt): Handle references in
 675         non-volatile GIMPLE_ASM.
 676
 677 2012-01-25  Richard Guenther  <rguenther@suse.de>
 678
 679         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 680         bases are dereferenced.
 681
 682 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 683
 684         PR rtl-optimization/48374
 685         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 686
 687 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 688
 689         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 690         compute_data_dependences_for_loop returns false.
 691         * tree-parloops.c (loop_parallel_p): Likewise.
 692
 693 2012-01-25  Richard Guenther  <rguenther@suse.de>
 694
 695         * tree.h (get_pointer_alignment_1): Declare.
 696         * builtins.c (get_pointer_alignment_1): New function.
 697         (get_pointer_alignment): Use it.
 698
 699 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 700
 701         PR rtl-optimization/48308
 702         * combine.c (enum undo_kind): Add UNDO_LINKS.
 703         (struct undo): Add member l to other_contents and where.
 704         (do_SUBST_LINK): New.
 705         (SUBST_LINK): New.
 706         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 707         (undo_all): Handle UNDO_LINKS.
 708
 709 2012-01-25  Richard Henderson  <rth@redhat.com>
 710
 711         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 712         mem inputs.
 713
 714 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 715
 716         * optabs.c (gen_atomic_test_and_set): Use each argument.
 717
 718 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 719
 720         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 721         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 722         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 723         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 724         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 725         TARGET_PAIRED_SINGLE_FLOAT.
 726
 727 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 728
 729         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 730         (in_struct, return_val): Remove MEM documentation.
 731         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 732         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 733         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 734         and MEM_SCALAR.
 735         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 736         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 737         * expr.c (store_field): Likewise.
 738         * function.c (assign_stack_temp_for_type): Likewise.
 739         * ifcvt.c (noce_try_cmove_arith): Likewise.
 740         * reload1.c (reload): Likewise.
 741         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 742         (alpha_set_memflags): Likewise.
 743         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 744
 745 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 746
 747         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 748         parameter.
 749         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 750         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 751         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 752         varies parameter.
 753         * cselib.c (cselib_rtx_varies_p): Delete.
 754         (cselib_invalidate_mem): Update call to canon_true_dependence.
 755         * dse.c (record_store, check_mem_read_rtx): Likewise.
 756         (scan_reads_nospill): Likewise.
 757         * cse.c (check_dependence): Likewise.
 758         (cse_rtx_varies_p): Delete.
 759         * expr.c (safe_from_p): Update call to true_dependence.
 760         * ira.c (validate_equiv_mem_from_store): Likewise.
 761         (memref_referenced_p): Likewise.
 762         * postreload-gcse.c (find_mem_conflicts): Likewise.
 763         * sched-deps.c (sched_analyze_2): Likewise.
 764         * store-motion.c (load_kills_store): Likewise.
 765         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 766         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 767         (compute_transp): Update call to canon_true_dependence.
 768
 769 2012-01-25  Richard Henderson  <rth@redhat.com>
 770
 771         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 772         (maybe_emit_atomic_test_and_set): New.
 773         (expand_sync_lock_test_and_set): Use it.
 774         (expand_atomic_test_and_set): Likewise.
 775         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 776         the implementation; clarify implementation defined details.
 777         * doc/md.texi (atomic_test_and_set): Document.
 778
 779 2012-01-25  Richard Henderson  <rth@redhat.com>
 780
 781         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 782
 783 2012-01-25  Richard Henderson  <rth@redhat.com>
 784
 785         PR target/51968
 786         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 787         to effect no-op split.
 788
 789 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 790
 791         PR lto/51698
 792         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 793         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 794         (BT_FN_VOID_PTR_INT_SIZE): New.
 795         (BT_FN_UINT_UINT_VAR): Remove.
 796         (BT_FN_UINT32_UINT32_VAR): New.
 797         (BT_FN_DOUBLE_VPTR): Remove.
 798         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 799
 800         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 801         (_ITM_changeTransactionMode): Same.
 802         (_ITM_memmoveRtWt): Change return type to void.
 803         (_ITM_memcpyRtWt): Same.
 804         (_ITM_memsetW): Same.
 805         (_ITM_RaRD): Change types to double.
 806         (_ITM_RD): Same.
 807         (_ITM_RaWD): Same.
 808         (_ITM_RfWD): Same.
 809
 810         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 811
 812 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 813             Patrick Marlier  <patrick.marlier@gmail.com>
 814
 815         * trans-mem.c (requires_barrier): Do not instrument thread local
 816         variables and emit save/restore for them.
 817
 818 2012-01-24  Jason Merrill  <jason@redhat.com>
 819
 820         PR c++/51812
 821         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 822         output static aliases.
 823
 824 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 825
 826         PR driver/47249
 827         * common.opt (-pie, -shared, pie, shared): Change from Common to
 828         Driver.
 829         * gcc.c (display_help): Display help for -pie and -shared.
 830
 831 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 832
 833         PR target/49868
 834         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 835         Remove note on size/offset limitation.
 836         (AVR Variable Attributes): Add example how to read data located
 837         with progmem.  Refer to named address spaces.
 838         * doc/invoke.texi (AVR Options): Fix typo.
 839
 840 2012-01-24  Richard Guenther  <rguenther@suse.de>
 841
 842         Forward-port to trunk
 843         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 844
 845         PR middle-end/45678
 846         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 847         op0 isn't sufficiently aligned and there is movmisalignM
 848         insn for mode, use it to load op0 into a temporary register.
 849
 850 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 851
 852         PR target/51957
 853         * target.def (const_not_ok_for_debug_p): New hook.
 854         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 855         documentation.
 856         * doc/tm.texi: Regenerated.
 857         * dwarf2out.c (const_ok_for_output_1): If
 858         targetm.const_not_ok_for_debug_p returns true, fail.
 859         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 860         function.
 861         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 862
 863 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 864
 865         PR target/51900
 866         * config/i386/predicates.md (symbolic_operand): Allow
 867         UNSPEC_PCREL as PIC expression for lea.
 868         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 869         * config/i386/i386.c (ix86_delegitimize_address): Handle
 870         UNSPEC_PCREL for none-MEM, too.
 871
 872 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 873
 874         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 875         (ipa_tm_create_version_alias): Same.
 876
 877 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 878
 879         PR libitm/51830
 880         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 881         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 882
 883 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 884             Patrick Marlier  <patrick.marlier@gmail.com>
 885             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 886
 887         PR lto/51916
 888         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 889         simple_object_start_read.
 890
 891 2012-01-23  Richard Guenther  <rguenther@suse.de>
 892
 893
 894         PR tree-optimization/51895
 895         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 896         parameter decomposition into BLKmode components.
 897
 898 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 899
 900         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 901         fake variables for restrict-qualified pointers whose pointed-to type
 902         contains a placeholder.
 903
 904 2012-01-23  Richard Guenther  <rguenther@suse.de>
 905
 906         PR tree-optimization/51949
 907         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 908
 909 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 910
 911         PR rtl-optimization/51933
 912         * ree.c (transform_ifelse): Return true right away if dstreg is
 913         already wider or equal to cand->mode.
 914         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 915         (make_defs_and_copies_lists): Remove defs_list and copies_list
 916         arguments, add state argument, just truncate state->work_list
 917         instead of always allocating and freeing the vector.  Assert that
 918         get_defs succeeds instead of returning 2.  Changed return type to bool.
 919         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 920         have ext_src_mode, see if it has been modified already with the
 921         right kind of extension and has been extended before from the
 922         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 923         just return true.  Remember the original mode in state->modified array.
 924         (combine_reaching_defs): Add state argument.  Don't allocate and
 925         free here def_list, copied_list and vec vectors, instead just
 926         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 927         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 928         Add state variable, clear vectors in it, initialize state.modified
 929         if needed.  Free all the vectors at the end and state.modified too.
 930         Don't skip a candidate if the extension expression has been modified.
 931
 932 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 933
 934         PR target/47096
 935         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 936          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 937         (extra_options) interix.opt -> i386/interix.opt"
 938         (extra_objs):Add winnt-stubs.o
 939         * configure.ac: Add interix to target_os .comm on PE check.
 940         * configure: Regenerate.
 941         * config/interix3.h: Delete and move bits to..
 942         * config/interix.h: Delete and move bits to..
 943         * config/i386/i386-interix3.h: Delete and move bits to..
 944         * config/i386/i386-interix.h: ..here.
 945         (TARGET_CPU_DEFAULT): Remove redefinition.
 946         (TARGET_ASM_CONSTRUCTOR): Undefine.
 947         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 948         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 949         (PTRDIFF_TYPE): Define.
 950         (LONG_DOUBLE_TYPE_SIZE): Define.
 951         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 952         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 953         (TARGET_SECTION_TYPE_FLAGS): Define.
 954         (ASM_DECLARE_FUNCTION_NAME): Define.
 955         (ASM_OUTPUT_EXTERNAL): Define.
 956         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 957         (ASM_OUTPUT_ALIGNED_BSS): Define.
 958         (PCC_BITFIELD_TYPE_MATTERS): Define.
 959         (USE_CONST_SECTION): Define.
 960         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 961         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 962         (SUPPORTS_ONE_ONLY): Remove.
 963         (I386_PE_STRIP_ENCODING): Define.
 964         * config/interix.opt: Delete and move bits to..
 965         * config/i386/interix.opt: ..here. New.
 966         (mpe-aligned-commons): Add.
 967         * config/i386/t-interix: Add copyright header.
 968         (winnt-stubs.o): Add rule.
 969
 970 2012-01-22  Jason Merrill  <jason@redhat.com>
 971
 972         PR c++/51832
 973         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 974         for extra name aliases.
 975
 976 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 977
 978         PR rtl-optimization/51924
 979         * ree.c (combine_set_extension): Improve debugging message.
 980         (combine_reaching_defs): Likewise.
 981         (get_defs): Rename confusingly named variable.
 982         (find_and_remove_re): Skip a candidate if the extension expression has
 983         been modified.
 984
 985 2012-01-21  Robert Millan  <rmh@gnu.org>
 986             Gerald Pfeifer  <gerald@pfeifer.com>
 987
 988         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 989         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 990
 991 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 992
 993         PR tree-optimization/51914
 994         * tree-vect-stmts.c (vectorizable_conversion): For
 995         cvt_type && modifier == WIDEN, put temporary with cvt_type
 996         at the beginning of vec_dsts and set vec_dest to temporary
 997         with vectype_out.
 998
 999 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1000
1001         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1002
1003 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1004
1005         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1006         * config/rs6000/rs6000.c: Likewise.
1007
1008 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1009
1010         PR target/51915
1011         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1012         output_move_double on a copy of operands array.
1013
1014 2012-01-20  Cary Coutant  <ccoutant@google.com>
1015             Dodji Seketeli  <dodji@redhat.com>
1016
1017         PR debug/45682
1018         * dwarf2out.c (copy_declaration_context): Return ref to parent
1019         of declaration DIE, if necessary.
1020         (remove_child_or_replace_with_skeleton): Add new parameter; update
1021         caller.  Place skeleton DIE under parent DIE of original declaration.
1022         Move call to copy_declaration_context to here ...
1023         (break_out_comdat_types): ... from here.
1024
1025 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1026
1027         PR rtl-optimization/51856
1028         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1029         flag to reloaded.
1030
1031 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1032
1033         PR target/51819
1034         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1035         hints for neon loads and stores.
1036
1037 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1038
1039         PR target/49868
1040         PR target/50887
1041         * doc/extend.texi (Named Address Spaces): Split into subsections.
1042         (AVR Named Address Spaces): New subsection.
1043         (M32C Named Address Spaces): New subsection.
1044         (RL78 Named Address Spaces): New subsection.
1045         (SPU Named Address Spaces): New subsection.
1046         (Variable Attributes): New anchor "AVR Variable Attributes".
1047         (AVR Variable Attributes): Rewrite and avoid wording
1048         "address space" in this context.
1049         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1050         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1051         (AVR Built-in Macros): New subsubsection therein.
1052         * doc/md.texi (AVR constraints): Remove "C04", "R".
1053
1054 2012-01-20  Richard Guenther  <rguenther@suse.de>
1055
1056         PR tree-optimization/51903
1057         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1058         when removing stmts.
1059
1060 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1061
1062         PR target/50313
1063         * config/arm/arm.c (arm_load_pic_register): Use
1064         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1065         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1066         (arm_pic_static_addr): Likewise.
1067         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1068         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1069         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1070         (pic_load_addr_unified): New.
1071
1072 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1073
1074         PR target/51106
1075         * function.c (instantiate_virtual_regs_in_insn): Use
1076         delete_insn_and_edges when removing a wrong asm insn.
1077
1078 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1079
1080         PR rtl-optimization/40761
1081         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1082         Add new member loop_num.
1083         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1084         (ira_build): Remove the parameter.
1085
1086         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1087         (ira.c): Do not build CFG loops for one region allocation.  Remove
1088         argument from ira_build call.
1089
1090         * ira-build.c (init_loop_tree_node): New function.
1091         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1092         loops are not built.
1093         (more_one_region_p): Check current_loops.
1094         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1095         built.
1096         (add_loop_to_tree): Process loop equal to NULL too.
1097         (form_loop_tree): Separate the case when CFG loops are not built.
1098         Use explicitly number for the root.
1099         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1100         an assertion.
1101         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1102         instead of loop->num.
1103         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1104         (mark_all_loops_for_removal): Ditto.
1105         (remove_unnecessary_regions): Separate the case when CFG loops
1106         are not built.
1107         (ira_build): Remove the parameter.  Use explicit number of regions
1108         when CFG loops are not built.
1109
1110         * ira-color.c (print_loop_title): Separate the case for the root node.
1111         Use loop_num instead of loop->num.
1112         (move_spill_restore): Use loop_num instead of loop->num.
1113
1114         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1115         (change_loop): Ditto.
1116         (change_loop): Use loop_num instead of loop->num.
1117
1118         * ira-lives.c (process_bb_node_lives): Ditto.
1119
1120         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1121
1122         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1123
1124 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1125
1126         PR libmudflap/40778
1127         * tree-mudflap.c (mf_artificial): New function.
1128         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1129         mx_register_decls, mudflap_enqueue_decl): Use it.
1130
1131         PR target/51876
1132         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1133         numbers in the insn pattern.
1134
1135 2012-01-19  Michael Matz  <matz@suse.de>
1136
1137         PR tree-optimization/46590
1138         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1139         use it in remembering which conflicts we already created.
1140         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1141         bitmap.
1142
1143 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1144
1145         PR lto/51280
1146         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1147         (merge_and_complain): Same.
1148
1149 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1150
1151         PR bootstrap/50237
1152         * config/initfini-array.h: Guard content of the header
1153         with #ifdef HAVE_INITFINI_ARRAY.
1154         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1155         Add initfini-array.h to tm_file here.
1156         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1157         * config.gcc: Don't add initfini-array.h to tm_file here.
1158         * configure: Regenerated.
1159
1160 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1161
1162         PR rtl-optimization/51505
1163         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1164         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1165         (df_note_bb_compute): Update the call to df_kill_notes.
1166
1167 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1168
1169         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1170
1171 2012-01-18  Richard Guenther  <rguenther@suse.de>
1172
1173         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1174         of conversions to void *.
1175
1176 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1177             Richard Sandiford  <rdsandiford@googlemail.com>
1178
1179         PR middle-end/50325
1180         PR middle-end/51192
1181         * optabs.h (simplify_expand_binop): Declare.
1182         * optabs.c (simplify_expand_binop): Make global.
1183         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1184         endian targets if the source cannot be exactly covered by word
1185         mode chunks.
1186
1187 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1188
1189         PR bootstrap/51872
1190         * hard-reg-set.h (struct hard_reg_set_container): New type.
1191         * target.h (struct hard_reg_set_container): Forward declare.
1192         * target.def (set_up_by_prologue): New target hook.
1193         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1194         * doc/tm.texi: Regenerated.
1195         * function.c (thread_prologue_and_epilogue_insns): Change
1196         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1197         Call targetm.set_up_by_prologue on it.
1198         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1199         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1200
1201 2012-01-17  Nick Clifton  <nickc@redhat.com>
1202
1203         * config/rx/rx.c (rx_can_use_simple_return): New function.
1204         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1205         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1206
1207 2012-01-17  Richard Guenther  <rguenther@suse.de>
1208
1209         PR middle-end/51782
1210         * expr.c (expand_assignment): Take address-space information
1211         from the address operand of MEM_REF and TARGET_MEM_REF.
1212         (expand_expr_real_1): Likewise.
1213
1214 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1215
1216         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1217         reload dump is requested.
1218
1219 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1220
1221         PR other/51165
1222         * trans-mem.c (requires_barrier): Call may_be_aliased.
1223
1224 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1225
1226         PR tree-optimization/51877
1227         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1228         call arguments and fndecls compare equal, instead return false if they
1229         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1230         both SSA_NAMEs that are valueized the same, or they satisfy
1231         operand_equal_p.
1232
1233 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1234
1235         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1236         Solaris 11+.
1237         * configure: Regenerate.
1238
1239 2012-01-16  Jan Hubicka  <jh@suse.cz>
1240
1241         PR c/12245
1242         PR c++/14179
1243         * convert.c (convert_to_integer): Use fold_convert for
1244         converting an INTEGER_CST to integer type.
1245
1246 2012-01-16  Jason Merrill  <jason@redhat.com>
1247
1248         PR c++/14179
1249         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1250
1251 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1252
1253         PR bootstrap/51860
1254         * config/s390/s390.c (s390_chunkify_start): Don't skip
1255         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1256         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1257         If insn is followed by NOTE_INSN_VAR_LOCATION or
1258         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1259         Don't use location of note insns.
1260
1261         PR tree-optimization/51865
1262         * tree-inline.c (tree_function_versioning): Call remap_decl
1263         on DECL_RESULT whenever it has VOID_TYPE_P type.
1264
1265 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1266
1267         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1268         for calls to locally-binding MIPS16 functions if only the return
1269         type uses float regs.
1270
1271 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1272             Richard Sandiford  <rdsandiford@googlemail.com>
1273
1274         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1275         (SYMBOL_32_HIGH): Likewise.
1276         (mips_output_tls_reloc_directive): Declare.
1277         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1278         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1279         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1280         (mips_lo_relocs, mips_hi_relocs): Make extern.
1281         (mips16_stub_function): Move up file.
1282         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1283         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1284         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1285         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1286         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1287         (mips_get_tp): Add MIPS16 support.
1288         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1289         Generalize DTPREL and TPREL handling.
1290         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1291         Add MIPS16 TLS support.
1292         (mips_output_tls_reloc_directive): New function.
1293         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1294         * config/mips/predicates.md (symbolic_operand_with_high)
1295         (tls_reloc_operand): New predicates.
1296         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1297         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1298         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1299         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1300         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1301         (*tls_get_tp_mips16_call_<mode>): Likewise.
1302
1303 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1304
1305         PR rtl-optimization/51821
1306         * recog.c (peep2_find_free_register): Determine clobbered registers
1307         from insn pattern.
1308
1309 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1310
1311         PR target/50925
1312         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1313         * config/avr/avr.c: Likewise.
1314         * config/avr/avr.h: Likewise.
1315
1316 2012-01-13  Ian Lance Taylor  <iant@google.com>
1317
1318         PR c++/50012
1319         * tree.h (TYPE_QUALS): Add cast to int.
1320         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1321
1322 2012-01-13  Ian Lance Taylor  <iant@google.com>
1323
1324         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1325         comparing param_index to VEC_length result.
1326
1327 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1328
1329         * c-decl.c: Do not include tree-mudflap.h
1330         * tree-optimize.c: Likewise.
1331         * Makefile.in: Update dependencies.
1332
1333 2012-01-13  Richard Guenther  <rguenther@suse.de>
1334
1335         PR middle-end/8081
1336         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1337         variable-sized result always use RSO.
1338
1339 2012-01-12  DJ Delorie  <dj@redhat.com>
1340
1341         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1342         pointer type, not just the default pointer type.
1343
1344 2012-01-09  Richard Henderson  <rth@redhat.com>
1345             Denis Chertykov  <chertykov@gmail.com>
1346
1347         PR target/50925
1348         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1349         * config/avr/avr.c (avr_can_eliminate): Simplify.
1350         (avr_initial_elimination_offset): Likewise.
1351         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1352         (expand_epilogue): Likewise.
1353         (avr_legitimize_address): Gut.
1354         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1355         (avr_hard_regno_nregs): New.
1356         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1357         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1358         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1359         add soft frame pointer.
1360         (CALL_USED_REGISTERS): Likewise.
1361         (REG_CLASS_CONTENTS): Likewise.
1362         (REGISTER_NAMES): Likewise.
1363         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1364         (HARD_FRAME_POINTER_REGNUM): New.
1365         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1366         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1367         remove the HARD_FRAME_POINTER self-elimination.
1368
1369 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1370
1371         PR target/51756
1372         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1373         DECL_EXTERNAL when checking for initializers of progmem variables.
1374
1375 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1376
1377         PR tree-optimization/51799
1378         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1379         that the last operation is a type demotion.
1380
1381 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1382
1383         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1384         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1385
1386 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1387
1388         PR bootstrap/51796
1389         * combine.c (distribute_notes): If i3 is a noreturn call,
1390         allow old_size to be equal to args_size and make sure the
1391         noreturn call gets REG_ARGS_SIZE note.
1392         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1393         on noreturn calls even when the delta is 0.
1394
1395 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1396
1397         * gcov.c (STRING_SIZE): Remove.
1398         (generate_results): Erase annotations for source files with no
1399         coverage information.
1400         (read_line): New.
1401         (output_lines): Use it.
1402
1403 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1404
1405         * gimple.h (gimplify_body): Remove first argument.
1406         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1407         pointer set here, instead just pass DATA to walk_tree.
1408         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1409         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1410         (unvisit_body): Likewise, but with unmark_visited.
1411         (gimplify_body): Remove BODY_P argument and adjust.
1412         (gimplify_function_tree): Adjust call to gimplify_body.
1413         * omp-low.c (finalize_task_copyfn): Likewise.
1414
1415 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1416
1417         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1418         (build_function_type_skip_args): Delete.
1419         * tree.c (build_function_type_skip_args): Make static and add
1420         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1421         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1422         pass it to build_function_type_skip_args.
1423         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1424         (tree_function_versioning): Likewise.
1425         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1426         build_function_decl_skip_args.
1427         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1428         and pass it to build_function_decl_skip_args/tree_function_versioning.
1429         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1430         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1431         * trans-mem.c (ipa_tm_create_version): Likewise.
1432         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1433         * tree-inline.c (declare_return_variable): Remove always-true test.
1434         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1435         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1436         * ipa-split.c (split_function): Skip the return value for the split
1437         part if it doesn't return.
1438
1439 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1440
1441         PR tree-optimization/49642
1442         * ipa-split.c (forbidden_dominators): New variable.
1443         (check_forbidden_calls): New function.
1444         (dominated_by_forbidden): Likewise.
1445         (consider_split): Check for forbidden dominators.
1446         (execute_split_functions): Initialize and free forbidden
1447         dominators info; call check_forbidden_calls.
1448
1449 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1450
1451         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1452
1453 2012-01-11  Nick Clifton  <nickc@redhat.com>
1454
1455         * config/rx/rx.md (return): Define pattern.
1456
1457 2012-01-11  Richard Guenther  <rguenther@suse.de>
1458
1459         * doc/extend.texi (malloc attribute): Adjust according to
1460         implementation.
1461
1462 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1463             Patrick Marlier  <patrick.marlier@gmail.com>
1464
1465         PR middle-end/51516
1466         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1467         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1468         (ipa_tm_note_irrevocable): Same.
1469         (ipa_tm_scan_irr_block): Same.
1470         (ipa_tm_decrement_clone_counts): Same.
1471         (ipa_tm_scan_irr_function): Same.
1472         (ipa_tm_create_version_alias): Same.
1473         (ipa_tm_create_version): Same.
1474         (ipa_tm_transform_calls_redirect): Same.
1475         (ipa_tm_transform_calls): Same.
1476         (ipa_tm_transform_transaction): Same.
1477         (ipa_tm_execute): Same.
1478
1479 2012-01-10  Richard Guenther  <rguenther@suse.de>
1480
1481         PR middle-end/51806
1482         * opts.c (common_handle_option): Handle -Werror.
1483
1484 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1485
1486         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1487         operand number.
1488
1489 2012-01-10  Jason Merrill  <jason@redhat.com>
1490
1491         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1492         information.
1493
1494 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1495
1496         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1497         supports R_386_TLS_GD_PLT reloc.
1498         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1499         supports R_386_TLS_LDM_PLT reloc.
1500         * configure: Regenerate.
1501         * config.in: Regenerate.
1502
1503 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1504
1505         PR target/49868
1506         Extend __pgmx semantics to linearize memory.
1507         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1508         determine if code comes inline or from libgcc.
1509         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1510         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1511         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1512         (movmemx_qi, movmemx_hi): New insns.
1513         (xload_<mode>_libgcc): Rewrite to new insn condition.
1514         (xload_<mode>): Remove insns.
1515         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1516         cases that don't satisfy avr_xload_libgcc_p().
1517         (avr_addr_space_convert): Allow converting in any direction.
1518         (avr_addr_space_subset_p): Return always true.
1519         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1520         (avr_emit_movmemhi): Ditto.
1521         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1522         (avr_out_movmem): Ditto.
1523         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1524         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1525         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1526         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1527         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1528
1529 2012-01-10  Richard Guenther  <rguenther@suse.de>
1530
1531         PR tree-optimization/50913
1532         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1533         Require data-refs to be representable by Graphite with respect
1534         to any loop nest.
1535
1536 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1537
1538         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1539         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1540
1541 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1542
1543         PR rtl-optimization/51271
1544         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1545         handling annulled branch.
1546
1547 2012-01-10  Richard Henderson  <rth@redhat.com>
1548
1549         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1550         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1551         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1552         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1553         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1554         arm_expand_vec_perm_const): New.
1555         * config/arm/arm-protos.h: Update.
1556         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1557         (*neon_vswp<VDQX>): New.
1558         (neon_vcombine<VDX>): Use neon_split_vcombine.
1559         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1560         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1561         (vec_perm<VE>): New.
1562
1563 2012-01-10  Richard Henderson  <rth@redhat.com>
1564
1565         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1566         use it if reload_completed.
1567         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1568         arm_output_asm_insn, arm_process_output_memory_barrier,
1569         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1570         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1571         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1572         arm_process_output_sync_insn, arm_output_sync_insn,
1573         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1574         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1575         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1576         (emit_unlikely_jump): New.
1577         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1578         (arm_split_atomic_op): New.
1579         * config/arm/arm-protos.h: Update.
1580         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1581         (struct arm_sync_generator): Remove.
1582         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1583         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1584         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1585         (VUNSPEC_LL, VUNSPEC_SC): New.
1586         (sync_result, sync_memory, sync_required_value, sync_new_value,
1587         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1588         (attr length): Don't use arm_sync_loop_insns.
1589         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1590         (movsfcc, movdfcc): Likewise.
1591         * config/arm/constraints.md (Ua): New.
1592         * config/arm/prediates.md (mem_noofs_operand): New.
1593         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1594         (sync_clobber, sync_t2_reqd): Remove.
1595         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1596         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1597         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1598         (arm_sync_compare_and_swap<SIDI>): Remove.
1599         (arm_sync_compare_and_swap<NARROW>): Remove.
1600         (arm_sync_lock_test_and_set<SIDI>): Remove.
1601         (arm_sync_lock_test_and_set<NARROW>): Remove.
1602         (arm_sync_new_<syncop><SIDI>): Remove.
1603         (arm_sync_new_<syncop><NARROW>): Remove.
1604         (arm_sync_new_nand<SIDI>): Remove.
1605         (arm_sync_new_nand<NARROW>): Remove.
1606         (arm_sync_old_<syncop><SIDI>): Remove.
1607         (arm_sync_old_<syncop><NARROW>): Remove.
1608         (arm_sync_old_nand<SIDI>): Remove.
1609         (arm_sync_old_nand<NARROW>): Remove.
1610         (*memory_barrier): Merge arm_output_memory_barrier.
1611         (atomic_compare_and_swap<QHSD>): New.
1612         (atomic_compare_and_swap<NARROW>_1): New.
1613         (atomic_compare_and_swap<SIDI>_1): New.
1614         (atomic_exchange<QHSD>): New.
1615         (cas_cmp_operand, cas_cmp_str): New.
1616         (atomic_op_operand, atomic_op_str): New.
1617         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1618         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1619         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1620         (arm_load_exclusive<NARROW>): New.
1621         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1622         (arm_store_exclusive<QHSD>): New.
1623
1624 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1625
1626         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1627         reload patterns if -mvsx-scalar-memory.
1628
1629         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1630         generated, even -mno-vsx-scalar-double was used.
1631         (vsx_xscvdpsp_scalar): Likewise.
1632         (vsx_xscvspdp_scalar2): Likewise.
1633
1634 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1635             Andrew Pinski  <apinski@cavium.com>
1636
1637         PR debug/51471
1638         * reorg.c (fill_slots_from_thread): Don't speculate
1639         frame-related insns.
1640
1641 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1642
1643         * sched-int.h (bb_note): Move to...
1644         * basic-block.h: ...here.
1645         * haifa-sched.c (bb_note): Move to...
1646         * cfgrtl.c: ...here.
1647         * function.c (next_block_for_reg): New function.
1648         (move_insn_for_shrink_wrap): Likewise.
1649         (prepare_shrink_wrap): Rewrite to use the above.
1650
1651 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1652
1653         * gimple.c (is_gimple_non_addressable): Remove.
1654         * gimple.h: Remove is_gimple_non_addressable.
1655         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1656         is_gimple_non_addressable.
1657         * trans-mem.c (expand_assign_tm): Same.
1658
1659 2012-01-09  Richard Guenther  <rguenther@suse.de>
1660
1661         PR tree-optimization/51775
1662         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1663         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1664
1665 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1666
1667         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1668         tuning parameters.
1669         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1670
1671 2012-01-09  Richard Guenther  <rguenther@suse.de>
1672
1673         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1674
1675 2012-01-08  Jan Hubicka  <jh@suse.cz>
1676
1677         PR tree-optimize/51680
1678         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1679         on when known_vals needs to be computed; cleanup.
1680
1681 2012-01-08  Jan Hubicka  <jh@suse.cz>
1682
1683         PR tree-optimize/51694
1684         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1685
1686 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1687
1688         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1689         for -std=c++98 and -std=c++11 too.
1690
1691 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1692
1693         * cfgloop.c (cancel_loop): Add free() of bbs array.
1694
1695 2012-01-07  Jan Hubicka  <jh@suse.cz>
1696
1697         PR tree-optimization/51600
1698         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1699         that benefits small functions.
1700
1701 2012-01-07  Jan Hubicka  <jh@suse.cz>
1702
1703         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1704
1705 2012-01-07  Jan Hubicka  <jh@suse.cz>
1706
1707         PR tree-optimization/51680
1708         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1709         whose inlining reduce unit size.
1710
1711 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1712
1713         PR bootstrap/51725
1714         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1715         Add canonical node to containing_mem chain after the non-canonical
1716         one, even if there weren't any locs to propagate.
1717         (remove_useless_values): Keep only canonical values.
1718         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1719         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1720         canonicalize mem_chain elements that are not discarded.
1721
1722 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1723
1724         PR target/47333
1725         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1726         before emitting functions.
1727
1728         PR gcov-profile/50127
1729         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1730         clear_aux_for_blocks.
1731
1732 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1733
1734         PR debug/51746
1735         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1736
1737 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1738
1739         * c-decl.c (ext_block): Moved up.
1740         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1741
1742 2012-01-06  Han Shen  <shenhan@google.com>
1743
1744         Translate built-in include paths for sysroot.
1745         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1746         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1747
1748         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1749         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1750
1751         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1752         control whether sysroot should be prepended to gxx include dir.
1753
1754         * configure: Regenerate.
1755
1756 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1757
1758         PR rtl-optimization/51771
1759         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1760         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1761
1762 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1763
1764         PR tree-optimization/51315
1765         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1766         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1767
1768 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1769
1770         PR target/51681
1771         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1772         for shrp pattern.  Correctly handle and fixup shift variable.
1773         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1774
1775 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1776
1777         PR debug/51762
1778         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1779         note when !ACCUMULATE_OUTGOING_ARGS.
1780
1781 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1782
1783         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1784         condition.
1785         (extract_range_from_unary_expr_1): Avoid useless computations.
1786
1787 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1788
1789         PR rtl-optimization/51767
1790         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1791         of jump_block and add an extra edge for degenerated asm gotos.
1792
1793         PR middle-end/51768
1794         * stmt.c (check_unique_operand_names): Don't ICE during error
1795         reporting if i is from labels chain.
1796
1797         PR middle-end/44777
1798         * profile.c (branch_prob): Split bbs that have exit edge
1799         and need a fake entry edge too.
1800
1801 2012-01-05  Jan Hubicka  <jh@suse.cz>
1802
1803         PR middle-end/49710
1804         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1805         unlooping loops.
1806
1807 2012-01-05  Richard Guenther  <rguenther@suse.de>
1808
1809         PR lto/50490
1810         * tree-streamer-out.c (write_ts_optimization): New function.
1811         (streamer_write_tree_body): Call it.
1812         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1813         (streamer_read_tree_body): Call it.
1814         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1815
1816 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1817
1818         PR middle-end/51761
1819         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1820         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1821         in_cleanup_point_expr before gimplify_stmt call and restore it
1822         afterwards.
1823         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1824         in_cleanup_point_expr is false.
1825
1826 2012-01-05  Richard Guenther  <rguenther@suse.de>
1827
1828         PR middle-end/51764
1829         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1830         to c.opt.
1831         * toplev.c (process_options): Reject combining mudflap and LTO.
1832         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1833
1834 2012-01-05  Richard Guenther  <rguenther@suse.de>
1835
1836         PR tree-optimization/51760
1837         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1838         not VARYING.
1839         (bit_value_unop): Handle UNDEFINED operands.
1840         (bit_value_binop): Likewise.
1841
1842 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1843
1844         * config/avr/avr.c (avr_replace_prefix): Remove.
1845         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1846         (avr_asm_function_rodata_section): Ditto.
1847         (avr_asm_select_section): Ditto.
1848
1849 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1850
1851         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1852         insertion.
1853
1854 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1855
1856         PR bootstrap/51648
1857         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1858         calls that have any non-fake successor edges.
1859
1860         PR debug/51746
1861         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1862
1863 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1864
1865         PR tree-optimization/51624
1866         * tree-sra.c (build_ref_for_model): When replicating a chain of
1867         COMPONENT_REFs, stop as soon as the offset would become negative.
1868
1869 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1870
1871         PR debug/51695
1872         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1873         in .debug_loc on the floor.
1874
1875 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1876
1877         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1878
1879 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1880             Adam Nemet  <anemet@caviumnetworks.com>
1881
1882         * config/mips/mips.md (size): Add SI and DI.
1883         (SIZE): New mode attribute.
1884         (U): New code attribute.
1885         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1886         (mips_lbux_<mode>): Delete.
1887         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1888         (mips_lhx): Use gen_mips_lhx_extsi.
1889         (mips_lhx_<mode>): Delete.
1890         (mips_lwx): Delete.
1891         (mips_l<size>x): New expand.
1892         (mips_lwx_<mode>): Delete.
1893         (mips_l<GPR:size>x_<P:mode>): New pattern.
1894         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1895         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1896         * config/mips/mips.c (mips_lx_address_p): New function.
1897         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1898         (dsp64): New availability predicate.
1899         (mips_builtins): Add an entry for __builtin_mips_ldx.
1900         * config/mips/mips.h (ISA_HAS_LBX): New define.
1901         (ISA_HAS_LBUX): Likewise.
1902         (ISA_HAS_LHX): Likewise.
1903         (ISA_HAS_LHUX): Likewise.
1904         (ISA_HAS_LWX): Likewise.
1905         (ISA_HAS_LWUX): Likewise.
1906         (ISA_HAS_LDX): Likewise.
1907         * doc/extend.texi (__builtin_mips_ldx): Document.
1908
1909 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1910
1911         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1912         when long pointers are used.
1913         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1914         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1915         (ia64-hp-*vms*): Remove.
1916         * config/vms/xm-vms64.h: Delete.
1917
1918 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1919
1920         PR middle-end/51472
1921         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1922
1923 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1924
1925         * opts.c (finish_options): Remove duplicate sorry.
1926
1927 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1928
1929         PR middle-end/51696
1930         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1931         correctly.
1932
1933 2012-01-04  Richard Guenther  <rguenther@suse.de>
1934
1935         PR middle-end/51750
1936         * tree.c (size_low_cst): New function.
1937         * tree.h (size_low_cst): Declare.
1938         * fold-const.c (fold_comparison): Use it to extract the low
1939         part of the POINTER_PLUS_EXPR offset.
1940
1941 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1942
1943         Fix clearing ZERO_REG
1944         * config/avr/avr.md (cc): Add alternative "ldi".
1945         (movqi_insn): Use it in cc attribute.
1946         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1947         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1948         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1949
1950 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1951
1952         * configure: Regenerate.
1953
1954 2012-01-04  Richard Guenther  <rguenther@suse.de>
1955
1956         PR tree-optimization/49651
1957         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1958         (var_can_have_subvars): Use it.
1959         (get_constraint_for_1): Only consider subfields if there can be any.
1960
1961 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1962
1963         PR bootstrap/51725
1964         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1965         to its new canonical_cselib_val and the cselib_val was in
1966         first_containing_mem chain, but the canonical_cselib_val was not,
1967         add the latter into the chain.
1968         (cselib_invalidate_mem): Compare canonical_cselib_val of
1969         addr_list chain elt with v.
1970
1971         PR pch/51722
1972         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1973         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1974         of xstrdup.
1975         (output_macinfo_op): Don't ggc_strdup fd->filename.
1976         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1977         then ggc_strdup it.  Don't free inc->info or cur->info.
1978         (output_macinfo): Don't free ref->info or file->info.
1979
1980 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1981
1982         PR tree-optimization/51269
1983         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1984         first_niters a pointer.
1985         (slpeel_tree_peel_loop_to_edge): Likewise.
1986         (vect_do_peeling_for_loop_bound): Update call to
1987         slpeel_tree_peel_loop_to_edge.
1988         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1989         here.  Remove it from the parameters list.
1990         (vect_do_peeling_for_alignment): Update calls and compute
1991         wide_prolog_niters.
1992
1993 2012-01-03  Richard Guenther  <rguenther@suse.de>
1994
1995         PR tree-optimization/51070
1996         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1997         Properly handle calls.
1998
1999 2012-01-03  Richard Guenther  <rguenther@suse.de>
2000
2001         PR tree-optimization/51692
2002         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2003         the LHS of allocation stmts.
2004
2005 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2006
2007         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2008
2009 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2010
2011         * collect2.c (main): In AIX specific computations for vector
2012         insertions, use CONST_CAST2 to cast from char ** to const char **.
2013
2014 2012-01-03  Richard Guenther  <rguenther@suse.de>
2015
2016         PR debug/51650
2017         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2018         the context of a limbo DIE when it does not already exist.
2019
2020 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2021
2022         PR tree-optimization/51719
2023         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2024         but direct call is, clear direct call's lhs and don't add fallthrough
2025         edge from dcall_bb to join_bb and PHIs.
2026
2027 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2028
2029         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2030         the instructions emitted by the pattern.
2031         ("*TDC_insn_<mode>"): Add comment.
2032
2033 2012-01-03  Richard Guenther  <rguenther@suse.de>
2034
2035         PR middle-end/51730
2036         * fold-const.c (fold_comparison): Properly canonicalize
2037         tree offset and HOST_WIDE_INT bit position.
2038
2039 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2040
2041         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2042         operands for extzv pattern.
2043
2044 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2045
2046         PR bootstrap/51725
2047         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2048         on mem_elt first.
2049
2050 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2051
2052         * doc/invoke.texi (-flto and related options): Copy-edit.
2053
2054 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2055
2056         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2057
2058 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2059
2060         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2061         New patterns.
2062
2063 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2064
2065         * expr.h (move_by_pieces_ninsns): Declare.
2066         * expr.c (move_by_pieces_ninsns): Make external.
2067         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2068         (mips_store_by_pieces_p): Likewise.
2069         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2070         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2071         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2072         (mips_store_by_pieces_p): Likewise.
2073
2074 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2075
2076         * passes.c (register_one_dump_file): Free full_name.
2077
2078         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2079         (calculate_elim_costs_all_insns): Free offsets_at and
2080         offsets_known_at at the end and clear the pointers.
2081
2082 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2083
2084         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2085         this option introduced in r180739.
2086
2087 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2088
2089         PR target/51345
2090         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2091         (tmake_file target=avr): Add avr/t-multilib.
2092
2093         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2094         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2095         * config/avr/genmultilib.awk: New file.
2096         * config/avr/t-multilib: New auto-generated file.
2097         * config/avr/multilib.h: New auto-generated file.
2098         * config/avr/t-avr (AVR_MCUS): New variable.
2099         (genopt.sh): Use it.
2100         (s-mlib): Depend on t-multilib.
2101         (t-multilib, multilib.h): New dependencies.
2102         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2103         (MULTILIB_OPTIONS): Remove.
2104         (MULTILIB_MATCHES): Remove.
2105         (MULTILIB_DIRNAMES): Remove.
2106         (MULTILIB_EXCEPTIONS): Remove:
2107         * config/avr/genopt.sh: Don't use hard coded file name;
2108         pass AVR_MCUS from t-avr instead.
2109
2110 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2111
2112         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2113
2114 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2115
2116         Implement light-weight DImode support.
2117         * config/avr/avr-dimode.md: New file.
2118         * config/avr/avr.md: Include it.
2119         (adjust_len): Add plus64, compare64.
2120         (HIDI): Remove code iterator.
2121         (code_stdname): New code attribute.
2122         (rotx, rotsmode): Remove DI.
2123         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2124         as code iterator.
2125         * config/avr/avr-protos.h (avr_have_dimode): New.
2126         (avr_out_plus64, avr_out_compare64): New.
2127         * config/avr/avr.c (avr_out_compare): Handle DImode.
2128         (avr_have_dimode): New variable definition and initialization.
2129         (avr_out_compare64, avr_out_plus64): New functions.
2130         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2131         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2132         (avr_compare_pattern): Skip DImode comparisons.
2133
2134 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2135
2136         * ddg.c (def_has_ccmode_p): New function.
2137         (add_cross_iteration_register_deps,
2138         create_ddg_dep_from_intra_loop_link): Call it.
2139
2140 2012-01-02  Richard Guenther  <rguenther@suse.de>
2141
2142         PR other/51679
2143         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2144
2145 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2146
2147         * gcc.c (process_command): Update copyright notice dates.
2148         * gcov.c (print_version): Likewise.
2149         * gcov-dump.c (print_version): Likewise.
2150         * mips-tfile.c (main): Likewise.
2151         * mips-tdump.c (main): Likewise.
2152
2153 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2154
2155         PR tree-optimization/51704
2156         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2157         a use is inside the basic block or loop before accessing its vect info.
2158
2159 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2160
2161         PR rtl-optimization/51069
2162         * cfgloopmanip.c (remove_path): Removing path making irreducible
2163         region unconditional makes BB part of the region.
2164
2165 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2166
2167         PR tree-optimization/51683
2168         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2169         calls with side-effects.
2170         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2171 \f
2172 Copyright (C) 2012 Free Software Foundation, Inc.
2173
2174 Copying and distribution of this file, with or without modification,
2175 are permitted in any medium without royalty provided the copyright
2176 notice and this notice are preserved.