gcc/ChangeLog

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