gcc/ChangeLog

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