gcc/ChangeLog

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