gcc/ChangeLog

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