gcc/ChangeLog

   1 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
   2
   3         PR middle-end/51867
   4         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
   5
   6 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
   7
   8         PR driver/48524
   9         * gcc.c (switch_matches) Support switches with separated form, -D
  10         and -U.
  11
  12 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
  13
  14         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
  15         (SP_ADDR): Ditto.
  16         (RAMPZ_ADDR): Ditto.
  17         * config/avr/avr.c (avr_addr_t): New typedef.
  18         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
  19         (avr_init_expanders): Initialize it.
  20         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
  21         SREG_ADDR.
  22         (expand_epilogue): Ditto.
  23         (avr_print_operand): Ditto.
  24         (avr_file_start): Ditto.
  25         (avr_emit_movmemhi): Ditto.
  26
  27 2012-02-08  Richard Guenther  <rguenther@suse.de>
  28
  29         PR tree-optimization/46886
  30         * tree-flow.h (do_while_loop_p): Declare.
  31         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
  32         * tree-parloops.c (parallelize_loops): Only parallelize do-while
  33         loops.
  34
  35 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
  36
  37         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
  38         always succeed for integers larger than a native word.
  39
  40 2012-02-08  Richard Guenther  <rguenther@suse.de>
  41
  42         PR rtl-optimization/52170
  43         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
  44         properly handle integer vector modes.
  45
  46 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
  47
  48         PR gcov-profile/52150
  49         * coverage.c: Include target.h.
  50         (build_var): Call targetm.strip_name_encoding on the assembler name.
  51         Change one _ into . or $ if the target allows it.
  52         * Makefile.in (coverage.o): Depend on $(TARGET_H).
  53
  54         PR rtl-optimization/52139
  55         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
  56         is a BARRIER after emit_insn_after_noloc, move BB_END
  57         to the last non-BARRIER insn before it.
  58
  59 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
  60
  61         PR middle-end/24306
  62         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
  63         (mips_gimplify_va_arg_expr): Call it instead of
  64         std_gimplify_va_arg_expr.
  65
  66 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
  67
  68         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
  69         message for -mno-pointers-to-nested-function.
  70
  71 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
  72
  73         PR middle-end/51994
  74         * expr.c (get_inner_reference): If there is an offset, add a negative
  75         bit position to it (if any).
  76
  77 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  78
  79         PR rtl-optimization/52060
  80         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
  81         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
  82         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
  83         and/or i0src_copy2 when needed.
  84
  85 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  86
  87         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
  88         or LTOPLUGINSONAME if have_c.
  89
  90         * config/freebsd-spec.h: Add comment about what macros can be defined
  91         in this header.
  92         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
  93         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
  94         here instead.
  95
  96 2012-02-07  Richard Guenther  <rguenther@suse.de>
  97
  98         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
  99         newline in -alias dumps.
 100
 101 2012-02-07  Kai Tietz  <ktietz@redhat.com>
 102             Dave Korn  <dave.korn.cygwin@gmail.com>
 103
 104         PR target/40068
 105         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
 106         Take care that typinfo gets dllexport-attribute.
 107
 108 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 109
 110         PR middle-end/52074
 111         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
 112         if modifier < EXPAND_SUM call force_operand on the result.
 113
 114 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
 115
 116         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
 117         adding __forwarder_dst__ prefix if a forwarder_section attribute is
 118         present.
 119         (epiphany_function_type): Replace types for specific interrupts with
 120         EPIPHANY_FUNCTION_INTERRUPT.
 121         (EPIPHANY_INTERRUPT_P): Update.
 122         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
 123         New static function.
 124         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
 125         <disinterrupt>: Affects type identity.
 126         (epiphany_handle_interrupt_attribute): Handle variable number of
 127         arguments.
 128         (epiphany_compute_function_type): Update for new
 129         epiphany_function_type definition.
 130         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
 131         handlers with a longcall forwarder.
 132         (epiphany_start_function): Handle multiple interrupt arguments and/or
 133         forwarder_section attribute.
 134
 135         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
 136
 137 2012-02-07  Alan Modra  <amodra@gmail.com>
 138
 139         PR target/52107
 140         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
 141         subregs of TFmode.
 142
 143 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 144
 145         PR tree-optimization/50969
 146         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
 147         use vec_perm rather than vector_stmt.
 148         (vect_model_load_cost): Likewise.
 149         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
 150         vec_perm to be the same as other vector statements.
 151         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
 152         cost of vec_perm for TARGET_VSX.
 153
 154 2012-02-06  Richard Guenther  <rguenther@suse.de>
 155
 156         PR tree-optimization/52115
 157         * tree-sra.c (access_has_replacements_p): New function.
 158         (sra_modify_assign): Use it to decide whether a use is uninitialized.
 159
 160 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
 161
 162         PR middle-end/52047
 163         * trans-mem.c (expand_call_tm): Add an assertion.
 164         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
 165         functions.
 166
 167 2012-02-06  Richard Guenther  <rguenther@suse.de>
 168
 169         PR tree-optimization/50955
 170         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
 171         raise cost of expressions that replace an address with an
 172         expression based on a different pointer.
 173
 174 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
 175
 176         PR target/52129
 177         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
 178         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
 179
 180 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
 181
 182         PR c++/48680
 183         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
 184         -Weffc++ and specify guidelines come from second edition.
 185
 186 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 187
 188         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
 189         (sibcall_value_multiple_internal, call_split, call_internal_direct)
 190         (call_direct_split, call_value_split, call_value_internal_direct)
 191         (call_value_direct_split, call_value_multiple_split): Use jal and
 192         jal_macro attributes.
 193
 194 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 195
 196         * reload1.c (reload_regs_reach_end_p): Replace with...
 197         (reload_reg_rtx_reaches_end_p): ...this function.
 198         (new_spill_reg_store): Update commentary.
 199         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
 200         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
 201         before setting new_spill_reg_store.
 202         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
 203         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
 204         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
 205         for non-spill reload registers.
 206
 207 2012-02-05  Ira Rosen  <irar@il.ibm.com>
 208
 209         PR tree-optimization/52091
 210         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
 211         (vect_is_simple_use_1): Likewise.
 212         * tree-vect-loop.c (vectorizable_reduction): Update calls
 213         to vect_is_simple_use_1 and vect_is_simple_use.
 214         (vectorizable_live_operation): Likewise.
 215         * tree-vect-patterns.c (widened_name_p,
 216         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
 217         Likewise.
 218         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
 219         vectorizable_call, vectorizable_conversion,
 220         vectorizable_assignment, vectorizable_shift,
 221         vectorizable_operation, vectorizable_store, vectorizable_load):
 222         Likewise.
 223         (vect_is_simple_cond): Add an argument, pass it to
 224         vect_is_simple_use_1.
 225         (vectorizable_condition): Update calls to vect_is_simple_cond,
 226         vect_is_simple_use.
 227         (vect_is_simple_use): Add an argument, the statement in which
 228         OPERAND is used.  Check that if OPERAND's def stmt is a double
 229         reduction phi node, the use is a phi node too.
 230         (vect_is_simple_use_1): Add an argument, pass it to
 231         vect_is_simple_use.
 232         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
 233         to vect_is_simple_use.
 234
 235 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
 236
 237         PR rtl-optimization/52095
 238         * modulo-sched.c (dump_insn_locator): New function.
 239         (loop_canon_p, sms_schedule): Use it.
 240
 241         PR rtl-optimization/52113
 242         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 243         even for decomposable shift/zext insns.
 244
 245 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 246             Zdenek Dvorak  <ook@ucw.cz>
 247
 248         PR rtl-optimization/52092
 249         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 250         on get_iv_value result.
 251
 252 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 253
 254         PR middle-end/47982
 255         PR middle-end/43967
 256         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 257
 258 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 259
 260         PR middle-end/48071
 261         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 262
 263 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 264
 265         PR rtl-optimization/49800
 266         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 267         (sched_finish): Call regstat_free_n_sets_and_refs.
 268
 269 2012-02-02  Jia Liu  <proljc@gmail.com>
 270
 271         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 272         than operand 2.
 273
 274 2012-02-02 Jan Hubicka  <jh@suse.cz>
 275            Tom de Vries  <tom@codesourcery.com>
 276
 277         PR middle-end/51998
 278         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 279         * varpool.c (varpool_analyze_pending_decls): Likewise.
 280
 281 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 282             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 283
 284         * config.gcc: Add cr16-* support.
 285
 286         * doc/extend.texi: Document cr16 extensions.
 287         * doc/install.texi: Document cr16 install.
 288         * doc/invoke.texi: Document cr16 options.
 289         * doc/md.texi: Document cr16 constraints.
 290
 291         * common/config/cr16/cr16-common.c: New file.
 292         * config/cr16/cr16.c: New file.
 293         * config/cr16/cr16.h: New file.
 294         * config/cr16/cr16.md: New file.
 295         * config/cr16/cr16.opt: New file.
 296         * config/cr16/cr16-protos.h: New file.
 297         * config/cr16/predicates.md: New file.
 298         * config/cr16/constraints.md: New file.
 299         * config/cr16/t-cr16: New file.
 300
 301 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 302
 303         PR target/52086
 304         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 305         that operands[2] is either immediate, or q_regs_operand.
 306
 307         PR tree-optimization/52073
 308         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 309         a pattern stmt for pattern uses, ignore uses outside of the loop.
 310
 311 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 312
 313         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 314         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 315         (OUT_AS1, OUT_AS2): Remove.
 316
 317 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 318
 319         PR rtl-optimization/51374
 320         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 321         to cross other volatile_refs_p insns.
 322
 323 2012-02-01  Richard Guenther  <rguenther@suse.de>
 324
 325         * doc/invoke.texi (fno-inline): Clarify documentation.
 326         (finline-small-functions): Likewise.
 327         (finline-functions): Likewise.
 328         * common.opt (finline): Adjust comment and documentation.
 329         (finline-small-functions): Clarify documentation.
 330         (finline-functions): Likewise.
 331         (finline-functions-called-once): Likewise.
 332
 333 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 334
 335         * c-typeck.c (composite_type): Keep mode for pointers.
 336
 337 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 338
 339         * function.h (regno_reg_rtx): Adjust comment.
 340         * reginfo.c (init_reg_modes_target): Only use the previous mode
 341         if it fits within one register.  Remove MIPS comment.
 342
 343 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 344
 345         PR bootstrap/52058
 346         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 347
 348 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 349
 350         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 351         to srak instruction.
 352
 353 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 354
 355         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
 356         condition.
 357
 358 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 359
 360         PR bootstrap/52041
 361         PR bootstrap/52039
 362         PR target/51974
 363         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 364
 365 2012-01-31  Richard Guenther  <rguenther@suse.de>
 366
 367         PR tree-optimization/51528
 368         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 369         assigns.
 370
 371 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 372
 373         PR bootstrap/52041
 374         PR bootstrap/52039
 375         PR target/51974
 376         * ree.c (add_removable_extension): Change def_map argument
 377         to unsigned *, store in def_map 1 + offset into *insn_list vector
 378         instead of pointers into the vector.
 379         (find_removable_extensions): Adjust caller.
 380
 381 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 382
 383         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 384         Transform all "* quoted-c-code" to { c-code }.
 385         Remove redundant test for "optimize" in combine patterns.
 386         Move (include "avr-dimode.md") to end of file.
 387
 388 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 389
 390         PR target/51835
 391         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 392         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 393
 394 2012-01-30  Richard Guenther  <rguenther@suse.de>
 395
 396         PR tree-optimization/52028
 397         * tree-loop-distribution.c (ldist_gen): Properly update
 398         virtual SSA form.
 399
 400 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 401
 402         PR debug/52027
 403         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 404         set_cur_line_info_table if not emitting debug info.
 405
 406         PR tree-optimization/52046
 407         * tree-vect-patterns.c (check_bool_pattern): Give up if
 408         a comparison could throw.
 409
 410         PR debug/52048
 411         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 412
 413 2012-01-30  Richard Guenther  <rguenther@suse.de>
 414
 415         PR tree-optimization/52045
 416         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 417         SSA form if cfgcleanup did anything.
 418
 419 2012-01-30  Richard Guenther  <rguenther@suse.de>
 420
 421         PR tree-optimization/52045
 422         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 423         before computing final todo.
 424
 425 2012-01-30  Richard Guenther  <rguenther@suse.de>
 426
 427         PR tree-optimization/51528
 428         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 429         for PR51528 fix.
 430
 431 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 432
 433         * df-problems.c (df_kill_notes): Check that the use refers
 434         to the note under examination.
 435
 436 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 437
 438         PR target/51920
 439         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 440         parameter and use short-lived pseudos.
 441         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 442         (sparc_expand_vector_init): Const-ify local variables and adjust
 443         calls to above functions.
 444
 445 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 446
 447         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 448
 449 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 450
 451         * doc/invoke.texi: Make usage of "compile time" and
 452         "run time"/"runtime" consistent throughout the file.
 453
 454 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 455
 456         * config/alpha/alpha.c (alpha_option_overrride): Default to
 457         full IEEE compliance mode for Go language.
 458
 459 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 460
 461         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 462         (LINK_SSP_SPEC): Define.
 463
 464 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 465
 466         PR target/51871
 467         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 468         stubs.
 469
 470 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 471
 472         * doc/invoke.texi: Correct hyphenation of "floating point",
 473         "double precision", and related terminology throughout the file.
 474
 475 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 476
 477         PR target/52006
 478         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 479         arm_general_register_operand predicate for operand 2 instead of
 480         register_operand.
 481
 482 2012-01-27  Ian Lance Taylor  <iant@google.com>
 483
 484         PR go/47656
 485         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 486         * builtins.c (expand_builtin_init_trampoline): Add onstack
 487         parameter.  Change caller.
 488         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 489         * tree.c (build_common_builtin_nodes): Declare
 490         __builtin_init_heap_trampoline.
 491
 492 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 493
 494         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 495         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 496         * config/avr/avr.c: Ditto.
 497         (avr_regnames): Remove because unused.
 498         * config/avr/avr.md (*cpse.ne): New peephole.
 499         (*cpse.eq): New peephole from former cpse peepholes.
 500
 501 2012-01-27  Michael Eager  <eager@eagercon.com>
 502
 503         * config/microblaze.c (microblaze_emit_compare): Correct
 504         test after pcmp instruction.
 505
 506 2012-01-27  Richard Guenther  <rguenther@suse.de>
 507
 508         PR tree-optimization/52020
 509         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 510
 511 2012-01-27  Richard Guenther  <rguenther@suse.de>
 512
 513         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 514         function non-const/pure.
 515
 516 2012-01-27  Richard Guenther  <rguenther@suse.de>
 517
 518         PR tree-optimization/50444
 519         * tree-sra.c (build_ref_for_offset): Properly adjust the
 520         MEM_REF type for unaligned accesses.
 521
 522 2012-01-27  Richard Guenther  <rguenther@suse.de>
 523
 524         PR tree-optimization/50444
 525         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 526         (expand_assignment): Use it.  Properly handle misaligned
 527         bases when expanding stores to component references.
 528         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 529         refactor that case.
 530
 531 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 532
 533         PR middle-end/51389
 534         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 535         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 536         * tree-data-ref.c (find_data_references_in_loop): Make static.
 537         (compute_all_dependences): Change return type to bool.  Bail out
 538         for too many datarefs in a loop.  Move the hunk resetting the data
 539         dependences vector from ...
 540         (compute_data_dependences_for_loop): ... here.  Account for
 541         compute_all_dependences returning false.
 542         (compute_data_dependences_for_bb): Likewise.
 543         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 544         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 545
 546 2012-01-27  Richard Guenther  <rguenther@suse.de>
 547
 548         PR middle-end/51959
 549         * expr.c (store_field): Use the alias-set of the scratch memory
 550         for storing to it.
 551
 552 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 553
 554         PR tree-optimization/51990
 555         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 556         WITH_SIZE_EXPR.
 557         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 558
 559 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 560
 561         PR debug/52001
 562         * var-tracking.c (reverse_op): Don't add any reverse operation
 563         if V already has any constant locations.
 564
 565 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 566
 567         * doc/invoke.texi: Correct usage of "command line" (noun)
 568         vs "command-line" (adjective) throughout.
 569
 570 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 571
 572         * doc/invoke.texi (Language Independent Options): Move
 573         -Wcoverage-mismatch blurb from here....
 574         (Warning Options): ...to here.
 575
 576 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 577
 578         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 579         Set rs6000_always_hint to false for 476.
 580
 581 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 582
 583         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 584           system root.
 585         * incpath.c (add_standard_paths): Likewise.
 586
 587 2012-01-27  Richard Henderson  <rth@redhat.com>
 588
 589         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 590         * config/m68k/sync.md (atomic_test_and_set): Rename from
 591         sync_test_and_setqi and adjust the operands.
 592         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 593         and unconditionally enable.
 594
 595 2012-01-27  Richard Henderson  <rth@redhat.com>
 596
 597         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 598         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 599         (ldstub): Rename from ldstubqi.
 600         (ldstub<I24MODE>): Remove.
 601
 602 2012-01-27  Richard Henderson  <rth@redhat.com>
 603
 604         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 605         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 606         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 607         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 608         * doc/tm.texi: Rebuild.
 609
 610 2012-01-27  Richard Henderson  <rth@redhat.com>
 611
 612         * optabs.c (gen_atomic_test_and_set): Remove default.
 613         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 614
 615 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 616
 617         PR rtl-optimization/51978
 618         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 619         (combine_reaching_defs): Likewise.
 620         (struct re_info): Remove.
 621         (add_removable_extension): Remove x and data arguments,
 622         add insn, insn_list and def_map.  Use the arguments directly
 623         instead of using struct re_info.
 624         (find_removable_extensions): Don't call add_removable_extension
 625         through note_stores, instead just call it with single_set
 626         result if non-NULL.
 627         (find_and_remove_re): Pass curr_cand->expr instead of
 628         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 629
 630 2012-01-26  Michael Matz  <matz@suse.de>
 631
 632         PR tree-optimization/46590
 633         * cfgexpand.c: Revert last change (r183305).
 634         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 635         regs.
 636         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 637         checking for emptiness.
 638
 639 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 640
 641         PR middle-end/51895
 642         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 643         non-addressable non-BLKmode base correctly.
 644
 645 2012-01-26  Michael Matz  <matz@suse.de>
 646
 647         PR tree-optimization/48794
 648         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 649         regions referenced from RESX/EH_DISPATCH.
 650
 651 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 652
 653         * config/s390/s390.h: Make BRANCH_COST an option.
 654         * config/s390/s390.opt: New option -mbranch-cost.
 655
 656 2012-01-26  Richard Henderson  <rth@redhat.com>
 657
 658         Revert 2012-01-24 change:
 659         * trans-mem.c (requires_barrier): Do not instrument thread local
 660         variables and emit save/restore for them.
 661
 662 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 663
 664         PR middle-end/51986
 665         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 666         for pat == 0.
 667
 668 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 669
 670         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 671         ASM_OPERANDS.
 672
 673 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 674
 675         PR target/49868
 676         Rename __pgm to __flash.
 677         Rename __pgm1 to __flash1.
 678         Rename __pgm2 to __flash2.
 679         Rename __pgm3 to __flash3.
 680         Rename __pgm4 to __flash4.
 681         Rename __pgm5 to __flash5.
 682         Rename __pgmx to __memx.
 683         * doc/extend.texi (AVR Named Address Spaces)
 684         Rename address space names as indicated above.
 685         * config/avr/avr.c (avr_addrspace): Ditto.
 686
 687         * config/avr/avr-protos.h
 688         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 689         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 690         * config/avr/predicates.md: Ditto.
 691         * config/avr/avr.c Ditto, and
 692         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 693         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 694
 695         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 696         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 697         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 698         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 699         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 700         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 701         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 702         * config/avr/avr.c: Ditto.
 703         * config/avr/avr.md: Ditto.
 704
 705 2012-01-25  Jason Merrill  <jason@redhat.com>
 706
 707         PR c++/51992
 708         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 709
 710 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 711
 712         PR tree-optimization/51987
 713         * tree-data-ref.c (get_references_in_stmt): Handle references in
 714         non-volatile GIMPLE_ASM.
 715
 716 2012-01-25  Richard Guenther  <rguenther@suse.de>
 717
 718         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 719         bases are dereferenced.
 720
 721 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 722
 723         PR rtl-optimization/48374
 724         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 725
 726 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 727
 728         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 729         compute_data_dependences_for_loop returns false.
 730         * tree-parloops.c (loop_parallel_p): Likewise.
 731
 732 2012-01-25  Richard Guenther  <rguenther@suse.de>
 733
 734         * tree.h (get_pointer_alignment_1): Declare.
 735         * builtins.c (get_pointer_alignment_1): New function.
 736         (get_pointer_alignment): Use it.
 737
 738 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 739
 740         PR rtl-optimization/48308
 741         * combine.c (enum undo_kind): Add UNDO_LINKS.
 742         (struct undo): Add member l to other_contents and where.
 743         (do_SUBST_LINK): New.
 744         (SUBST_LINK): New.
 745         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 746         (undo_all): Handle UNDO_LINKS.
 747
 748 2012-01-25  Richard Henderson  <rth@redhat.com>
 749
 750         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 751         mem inputs.
 752
 753 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 754
 755         * optabs.c (gen_atomic_test_and_set): Use each argument.
 756
 757 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 758
 759         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 760         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 761         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 762         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 763         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 764         TARGET_PAIRED_SINGLE_FLOAT.
 765
 766 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 767
 768         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 769         (in_struct, return_val): Remove MEM documentation.
 770         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 771         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 772         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 773         and MEM_SCALAR.
 774         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 775         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 776         * expr.c (store_field): Likewise.
 777         * function.c (assign_stack_temp_for_type): Likewise.
 778         * ifcvt.c (noce_try_cmove_arith): Likewise.
 779         * reload1.c (reload): Likewise.
 780         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 781         (alpha_set_memflags): Likewise.
 782         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 783
 784 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 785
 786         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 787         parameter.
 788         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 789         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 790         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 791         varies parameter.
 792         * cselib.c (cselib_rtx_varies_p): Delete.
 793         (cselib_invalidate_mem): Update call to canon_true_dependence.
 794         * dse.c (record_store, check_mem_read_rtx): Likewise.
 795         (scan_reads_nospill): Likewise.
 796         * cse.c (check_dependence): Likewise.
 797         (cse_rtx_varies_p): Delete.
 798         * expr.c (safe_from_p): Update call to true_dependence.
 799         * ira.c (validate_equiv_mem_from_store): Likewise.
 800         (memref_referenced_p): Likewise.
 801         * postreload-gcse.c (find_mem_conflicts): Likewise.
 802         * sched-deps.c (sched_analyze_2): Likewise.
 803         * store-motion.c (load_kills_store): Likewise.
 804         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 805         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 806         (compute_transp): Update call to canon_true_dependence.
 807
 808 2012-01-25  Richard Henderson  <rth@redhat.com>
 809
 810         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 811         (maybe_emit_atomic_test_and_set): New.
 812         (expand_sync_lock_test_and_set): Use it.
 813         (expand_atomic_test_and_set): Likewise.
 814         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 815         the implementation; clarify implementation defined details.
 816         * doc/md.texi (atomic_test_and_set): Document.
 817
 818 2012-01-25  Richard Henderson  <rth@redhat.com>
 819
 820         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 821
 822 2012-01-25  Richard Henderson  <rth@redhat.com>
 823
 824         PR target/51968
 825         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 826         to effect no-op split.
 827
 828 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 829
 830         PR lto/51698
 831         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 832         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 833         (BT_FN_VOID_PTR_INT_SIZE): New.
 834         (BT_FN_UINT_UINT_VAR): Remove.
 835         (BT_FN_UINT32_UINT32_VAR): New.
 836         (BT_FN_DOUBLE_VPTR): Remove.
 837         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 838
 839         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 840         (_ITM_changeTransactionMode): Same.
 841         (_ITM_memmoveRtWt): Change return type to void.
 842         (_ITM_memcpyRtWt): Same.
 843         (_ITM_memsetW): Same.
 844         (_ITM_RaRD): Change types to double.
 845         (_ITM_RD): Same.
 846         (_ITM_RaWD): Same.
 847         (_ITM_RfWD): Same.
 848
 849         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 850
 851 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 852             Patrick Marlier  <patrick.marlier@gmail.com>
 853
 854         * trans-mem.c (requires_barrier): Do not instrument thread local
 855         variables and emit save/restore for them.
 856
 857 2012-01-24  Jason Merrill  <jason@redhat.com>
 858
 859         PR c++/51812
 860         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 861         output static aliases.
 862
 863 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 864
 865         PR driver/47249
 866         * common.opt (-pie, -shared, pie, shared): Change from Common to
 867         Driver.
 868         * gcc.c (display_help): Display help for -pie and -shared.
 869
 870 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 871
 872         PR target/49868
 873         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 874         Remove note on size/offset limitation.
 875         (AVR Variable Attributes): Add example how to read data located
 876         with progmem.  Refer to named address spaces.
 877         * doc/invoke.texi (AVR Options): Fix typo.
 878
 879 2012-01-24  Richard Guenther  <rguenther@suse.de>
 880
 881         Forward-port to trunk
 882         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 883
 884         PR middle-end/45678
 885         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 886         op0 isn't sufficiently aligned and there is movmisalignM
 887         insn for mode, use it to load op0 into a temporary register.
 888
 889 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 890
 891         PR target/51957
 892         * target.def (const_not_ok_for_debug_p): New hook.
 893         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 894         documentation.
 895         * doc/tm.texi: Regenerated.
 896         * dwarf2out.c (const_ok_for_output_1): If
 897         targetm.const_not_ok_for_debug_p returns true, fail.
 898         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 899         function.
 900         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 901
 902 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 903
 904         PR target/51900
 905         * config/i386/predicates.md (symbolic_operand): Allow
 906         UNSPEC_PCREL as PIC expression for lea.
 907         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 908         * config/i386/i386.c (ix86_delegitimize_address): Handle
 909         UNSPEC_PCREL for none-MEM, too.
 910
 911 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 912
 913         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 914         (ipa_tm_create_version_alias): Same.
 915
 916 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 917
 918         PR libitm/51830
 919         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 920         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 921
 922 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 923             Patrick Marlier  <patrick.marlier@gmail.com>
 924             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 925
 926         PR lto/51916
 927         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 928         simple_object_start_read.
 929
 930 2012-01-23  Richard Guenther  <rguenther@suse.de>
 931
 932
 933         PR tree-optimization/51895
 934         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 935         parameter decomposition into BLKmode components.
 936
 937 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 938
 939         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 940         fake variables for restrict-qualified pointers whose pointed-to type
 941         contains a placeholder.
 942
 943 2012-01-23  Richard Guenther  <rguenther@suse.de>
 944
 945         PR tree-optimization/51949
 946         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 947
 948 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 949
 950         PR rtl-optimization/51933
 951         * ree.c (transform_ifelse): Return true right away if dstreg is
 952         already wider or equal to cand->mode.
 953         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 954         (make_defs_and_copies_lists): Remove defs_list and copies_list
 955         arguments, add state argument, just truncate state->work_list
 956         instead of always allocating and freeing the vector.  Assert that
 957         get_defs succeeds instead of returning 2.  Changed return type to bool.
 958         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 959         have ext_src_mode, see if it has been modified already with the
 960         right kind of extension and has been extended before from the
 961         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 962         just return true.  Remember the original mode in state->modified array.
 963         (combine_reaching_defs): Add state argument.  Don't allocate and
 964         free here def_list, copied_list and vec vectors, instead just
 965         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 966         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 967         Add state variable, clear vectors in it, initialize state.modified
 968         if needed.  Free all the vectors at the end and state.modified too.
 969         Don't skip a candidate if the extension expression has been modified.
 970
 971 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 972
 973         PR target/47096
 974         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 975          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 976         (extra_options) interix.opt -> i386/interix.opt"
 977         (extra_objs):Add winnt-stubs.o
 978         * configure.ac: Add interix to target_os .comm on PE check.
 979         * configure: Regenerate.
 980         * config/interix3.h: Delete and move bits to..
 981         * config/interix.h: Delete and move bits to..
 982         * config/i386/i386-interix3.h: Delete and move bits to..
 983         * config/i386/i386-interix.h: ..here.
 984         (TARGET_CPU_DEFAULT): Remove redefinition.
 985         (TARGET_ASM_CONSTRUCTOR): Undefine.
 986         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 987         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 988         (PTRDIFF_TYPE): Define.
 989         (LONG_DOUBLE_TYPE_SIZE): Define.
 990         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 991         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 992         (TARGET_SECTION_TYPE_FLAGS): Define.
 993         (ASM_DECLARE_FUNCTION_NAME): Define.
 994         (ASM_OUTPUT_EXTERNAL): Define.
 995         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 996         (ASM_OUTPUT_ALIGNED_BSS): Define.
 997         (PCC_BITFIELD_TYPE_MATTERS): Define.
 998         (USE_CONST_SECTION): Define.
 999         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1000         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1001         (SUPPORTS_ONE_ONLY): Remove.
1002         (I386_PE_STRIP_ENCODING): Define.
1003         * config/interix.opt: Delete and move bits to..
1004         * config/i386/interix.opt: ..here. New.
1005         (mpe-aligned-commons): Add.
1006         * config/i386/t-interix: Add copyright header.
1007         (winnt-stubs.o): Add rule.
1008
1009 2012-01-22  Jason Merrill  <jason@redhat.com>
1010
1011         PR c++/51832
1012         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1013         for extra name aliases.
1014
1015 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1016
1017         PR rtl-optimization/51924
1018         * ree.c (combine_set_extension): Improve debugging message.
1019         (combine_reaching_defs): Likewise.
1020         (get_defs): Rename confusingly named variable.
1021         (find_and_remove_re): Skip a candidate if the extension expression has
1022         been modified.
1023
1024 2012-01-21  Robert Millan  <rmh@gnu.org>
1025             Gerald Pfeifer  <gerald@pfeifer.com>
1026
1027         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1028         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1029
1030 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1031
1032         PR tree-optimization/51914
1033         * tree-vect-stmts.c (vectorizable_conversion): For
1034         cvt_type && modifier == WIDEN, put temporary with cvt_type
1035         at the beginning of vec_dsts and set vec_dest to temporary
1036         with vectype_out.
1037
1038 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1039
1040         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1041
1042 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1043
1044         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1045         * config/rs6000/rs6000.c: Likewise.
1046
1047 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1048
1049         PR target/51915
1050         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1051         output_move_double on a copy of operands array.
1052
1053 2012-01-20  Cary Coutant  <ccoutant@google.com>
1054             Dodji Seketeli  <dodji@redhat.com>
1055
1056         PR debug/45682
1057         * dwarf2out.c (copy_declaration_context): Return ref to parent
1058         of declaration DIE, if necessary.
1059         (remove_child_or_replace_with_skeleton): Add new parameter; update
1060         caller.  Place skeleton DIE under parent DIE of original declaration.
1061         Move call to copy_declaration_context to here ...
1062         (break_out_comdat_types): ... from here.
1063
1064 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1065
1066         PR rtl-optimization/51856
1067         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1068         flag to reloaded.
1069
1070 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1071
1072         PR target/51819
1073         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1074         hints for neon loads and stores.
1075
1076 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1077
1078         PR target/49868
1079         PR target/50887
1080         * doc/extend.texi (Named Address Spaces): Split into subsections.
1081         (AVR Named Address Spaces): New subsection.
1082         (M32C Named Address Spaces): New subsection.
1083         (RL78 Named Address Spaces): New subsection.
1084         (SPU Named Address Spaces): New subsection.
1085         (Variable Attributes): New anchor "AVR Variable Attributes".
1086         (AVR Variable Attributes): Rewrite and avoid wording
1087         "address space" in this context.
1088         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1089         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1090         (AVR Built-in Macros): New subsubsection therein.
1091         * doc/md.texi (AVR constraints): Remove "C04", "R".
1092
1093 2012-01-20  Richard Guenther  <rguenther@suse.de>
1094
1095         PR tree-optimization/51903
1096         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1097         when removing stmts.
1098
1099 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1100
1101         PR target/50313
1102         * config/arm/arm.c (arm_load_pic_register): Use
1103         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1104         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1105         (arm_pic_static_addr): Likewise.
1106         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1107         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1108         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1109         (pic_load_addr_unified): New.
1110
1111 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1112
1113         PR target/51106
1114         * function.c (instantiate_virtual_regs_in_insn): Use
1115         delete_insn_and_edges when removing a wrong asm insn.
1116
1117 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1118
1119         PR rtl-optimization/40761
1120         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1121         Add new member loop_num.
1122         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1123         (ira_build): Remove the parameter.
1124
1125         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1126         (ira.c): Do not build CFG loops for one region allocation.  Remove
1127         argument from ira_build call.
1128
1129         * ira-build.c (init_loop_tree_node): New function.
1130         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1131         loops are not built.
1132         (more_one_region_p): Check current_loops.
1133         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1134         built.
1135         (add_loop_to_tree): Process loop equal to NULL too.
1136         (form_loop_tree): Separate the case when CFG loops are not built.
1137         Use explicitly number for the root.
1138         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1139         an assertion.
1140         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1141         instead of loop->num.
1142         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1143         (mark_all_loops_for_removal): Ditto.
1144         (remove_unnecessary_regions): Separate the case when CFG loops
1145         are not built.
1146         (ira_build): Remove the parameter.  Use explicit number of regions
1147         when CFG loops are not built.
1148
1149         * ira-color.c (print_loop_title): Separate the case for the root node.
1150         Use loop_num instead of loop->num.
1151         (move_spill_restore): Use loop_num instead of loop->num.
1152
1153         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1154         (change_loop): Ditto.
1155         (change_loop): Use loop_num instead of loop->num.
1156
1157         * ira-lives.c (process_bb_node_lives): Ditto.
1158
1159         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1160
1161         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1162
1163 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1164
1165         PR libmudflap/40778
1166         * tree-mudflap.c (mf_artificial): New function.
1167         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1168         mx_register_decls, mudflap_enqueue_decl): Use it.
1169
1170         PR target/51876
1171         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1172         numbers in the insn pattern.
1173
1174 2012-01-19  Michael Matz  <matz@suse.de>
1175
1176         PR tree-optimization/46590
1177         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1178         use it in remembering which conflicts we already created.
1179         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1180         bitmap.
1181
1182 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1183
1184         PR lto/51280
1185         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1186         (merge_and_complain): Same.
1187
1188 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1189
1190         PR bootstrap/50237
1191         * config/initfini-array.h: Guard content of the header
1192         with #ifdef HAVE_INITFINI_ARRAY.
1193         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1194         Add initfini-array.h to tm_file here.
1195         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1196         * config.gcc: Don't add initfini-array.h to tm_file here.
1197         * configure: Regenerated.
1198
1199 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1200
1201         PR rtl-optimization/51505
1202         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1203         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1204         (df_note_bb_compute): Update the call to df_kill_notes.
1205
1206 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1207
1208         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1209
1210 2012-01-18  Richard Guenther  <rguenther@suse.de>
1211
1212         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1213         of conversions to void *.
1214
1215 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1216             Richard Sandiford  <rdsandiford@googlemail.com>
1217
1218         PR middle-end/50325
1219         PR middle-end/51192
1220         * optabs.h (simplify_expand_binop): Declare.
1221         * optabs.c (simplify_expand_binop): Make global.
1222         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1223         endian targets if the source cannot be exactly covered by word
1224         mode chunks.
1225
1226 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR bootstrap/51872
1229         * hard-reg-set.h (struct hard_reg_set_container): New type.
1230         * target.h (struct hard_reg_set_container): Forward declare.
1231         * target.def (set_up_by_prologue): New target hook.
1232         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1233         * doc/tm.texi: Regenerated.
1234         * function.c (thread_prologue_and_epilogue_insns): Change
1235         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1236         Call targetm.set_up_by_prologue on it.
1237         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1238         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1239
1240 2012-01-17  Nick Clifton  <nickc@redhat.com>
1241
1242         * config/rx/rx.c (rx_can_use_simple_return): New function.
1243         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1244         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1245
1246 2012-01-17  Richard Guenther  <rguenther@suse.de>
1247
1248         PR middle-end/51782
1249         * expr.c (expand_assignment): Take address-space information
1250         from the address operand of MEM_REF and TARGET_MEM_REF.
1251         (expand_expr_real_1): Likewise.
1252
1253 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1254
1255         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1256         reload dump is requested.
1257
1258 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1259
1260         PR other/51165
1261         * trans-mem.c (requires_barrier): Call may_be_aliased.
1262
1263 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1264
1265         PR tree-optimization/51877
1266         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1267         call arguments and fndecls compare equal, instead return false if they
1268         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1269         both SSA_NAMEs that are valueized the same, or they satisfy
1270         operand_equal_p.
1271
1272 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1273
1274         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1275         Solaris 11+.
1276         * configure: Regenerate.
1277
1278 2012-01-16  Jan Hubicka  <jh@suse.cz>
1279
1280         PR c/12245
1281         PR c++/14179
1282         * convert.c (convert_to_integer): Use fold_convert for
1283         converting an INTEGER_CST to integer type.
1284
1285 2012-01-16  Jason Merrill  <jason@redhat.com>
1286
1287         PR c++/14179
1288         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1289
1290 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1291
1292         PR bootstrap/51860
1293         * config/s390/s390.c (s390_chunkify_start): Don't skip
1294         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1295         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1296         If insn is followed by NOTE_INSN_VAR_LOCATION or
1297         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1298         Don't use location of note insns.
1299
1300         PR tree-optimization/51865
1301         * tree-inline.c (tree_function_versioning): Call remap_decl
1302         on DECL_RESULT whenever it has VOID_TYPE_P type.
1303
1304 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1305
1306         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1307         for calls to locally-binding MIPS16 functions if only the return
1308         type uses float regs.
1309
1310 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1311             Richard Sandiford  <rdsandiford@googlemail.com>
1312
1313         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1314         (SYMBOL_32_HIGH): Likewise.
1315         (mips_output_tls_reloc_directive): Declare.
1316         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1317         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1318         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1319         (mips_lo_relocs, mips_hi_relocs): Make extern.
1320         (mips16_stub_function): Move up file.
1321         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1322         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1323         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1324         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1325         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1326         (mips_get_tp): Add MIPS16 support.
1327         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1328         Generalize DTPREL and TPREL handling.
1329         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1330         Add MIPS16 TLS support.
1331         (mips_output_tls_reloc_directive): New function.
1332         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1333         * config/mips/predicates.md (symbolic_operand_with_high)
1334         (tls_reloc_operand): New predicates.
1335         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1336         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1337         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1338         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1339         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1340         (*tls_get_tp_mips16_call_<mode>): Likewise.
1341
1342 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1343
1344         PR rtl-optimization/51821
1345         * recog.c (peep2_find_free_register): Determine clobbered registers
1346         from insn pattern.
1347
1348 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1349
1350         PR target/50925
1351         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1352         * config/avr/avr.c: Likewise.
1353         * config/avr/avr.h: Likewise.
1354
1355 2012-01-13  Ian Lance Taylor  <iant@google.com>
1356
1357         PR c++/50012
1358         * tree.h (TYPE_QUALS): Add cast to int.
1359         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1360
1361 2012-01-13  Ian Lance Taylor  <iant@google.com>
1362
1363         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1364         comparing param_index to VEC_length result.
1365
1366 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1367
1368         * c-decl.c: Do not include tree-mudflap.h
1369         * tree-optimize.c: Likewise.
1370         * Makefile.in: Update dependencies.
1371
1372 2012-01-13  Richard Guenther  <rguenther@suse.de>
1373
1374         PR middle-end/8081
1375         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1376         variable-sized result always use RSO.
1377
1378 2012-01-12  DJ Delorie  <dj@redhat.com>
1379
1380         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1381         pointer type, not just the default pointer type.
1382
1383 2012-01-09  Richard Henderson  <rth@redhat.com>
1384             Denis Chertykov  <chertykov@gmail.com>
1385
1386         PR target/50925
1387         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1388         * config/avr/avr.c (avr_can_eliminate): Simplify.
1389         (avr_initial_elimination_offset): Likewise.
1390         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1391         (expand_epilogue): Likewise.
1392         (avr_legitimize_address): Gut.
1393         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1394         (avr_hard_regno_nregs): New.
1395         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1396         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1397         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1398         add soft frame pointer.
1399         (CALL_USED_REGISTERS): Likewise.
1400         (REG_CLASS_CONTENTS): Likewise.
1401         (REGISTER_NAMES): Likewise.
1402         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1403         (HARD_FRAME_POINTER_REGNUM): New.
1404         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1405         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1406         remove the HARD_FRAME_POINTER self-elimination.
1407
1408 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1409
1410         PR target/51756
1411         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1412         DECL_EXTERNAL when checking for initializers of progmem variables.
1413
1414 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1415
1416         PR tree-optimization/51799
1417         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1418         that the last operation is a type demotion.
1419
1420 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1421
1422         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1423         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1424
1425 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR bootstrap/51796
1428         * combine.c (distribute_notes): If i3 is a noreturn call,
1429         allow old_size to be equal to args_size and make sure the
1430         noreturn call gets REG_ARGS_SIZE note.
1431         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1432         on noreturn calls even when the delta is 0.
1433
1434 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1435
1436         * gcov.c (STRING_SIZE): Remove.
1437         (generate_results): Erase annotations for source files with no
1438         coverage information.
1439         (read_line): New.
1440         (output_lines): Use it.
1441
1442 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1443
1444         * gimple.h (gimplify_body): Remove first argument.
1445         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1446         pointer set here, instead just pass DATA to walk_tree.
1447         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1448         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1449         (unvisit_body): Likewise, but with unmark_visited.
1450         (gimplify_body): Remove BODY_P argument and adjust.
1451         (gimplify_function_tree): Adjust call to gimplify_body.
1452         * omp-low.c (finalize_task_copyfn): Likewise.
1453
1454 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1455
1456         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1457         (build_function_type_skip_args): Delete.
1458         * tree.c (build_function_type_skip_args): Make static and add
1459         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1460         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1461         pass it to build_function_type_skip_args.
1462         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1463         (tree_function_versioning): Likewise.
1464         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1465         build_function_decl_skip_args.
1466         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1467         and pass it to build_function_decl_skip_args/tree_function_versioning.
1468         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1469         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1470         * trans-mem.c (ipa_tm_create_version): Likewise.
1471         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1472         * tree-inline.c (declare_return_variable): Remove always-true test.
1473         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1474         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1475         * ipa-split.c (split_function): Skip the return value for the split
1476         part if it doesn't return.
1477
1478 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1479
1480         PR tree-optimization/49642
1481         * ipa-split.c (forbidden_dominators): New variable.
1482         (check_forbidden_calls): New function.
1483         (dominated_by_forbidden): Likewise.
1484         (consider_split): Check for forbidden dominators.
1485         (execute_split_functions): Initialize and free forbidden
1486         dominators info; call check_forbidden_calls.
1487
1488 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1489
1490         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1491
1492 2012-01-11  Nick Clifton  <nickc@redhat.com>
1493
1494         * config/rx/rx.md (return): Define pattern.
1495
1496 2012-01-11  Richard Guenther  <rguenther@suse.de>
1497
1498         * doc/extend.texi (malloc attribute): Adjust according to
1499         implementation.
1500
1501 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1502             Patrick Marlier  <patrick.marlier@gmail.com>
1503
1504         PR middle-end/51516
1505         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1506         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1507         (ipa_tm_note_irrevocable): Same.
1508         (ipa_tm_scan_irr_block): Same.
1509         (ipa_tm_decrement_clone_counts): Same.
1510         (ipa_tm_scan_irr_function): Same.
1511         (ipa_tm_create_version_alias): Same.
1512         (ipa_tm_create_version): Same.
1513         (ipa_tm_transform_calls_redirect): Same.
1514         (ipa_tm_transform_calls): Same.
1515         (ipa_tm_transform_transaction): Same.
1516         (ipa_tm_execute): Same.
1517
1518 2012-01-10  Richard Guenther  <rguenther@suse.de>
1519
1520         PR middle-end/51806
1521         * opts.c (common_handle_option): Handle -Werror.
1522
1523 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1524
1525         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1526         operand number.
1527
1528 2012-01-10  Jason Merrill  <jason@redhat.com>
1529
1530         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1531         information.
1532
1533 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1534
1535         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1536         supports R_386_TLS_GD_PLT reloc.
1537         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1538         supports R_386_TLS_LDM_PLT reloc.
1539         * configure: Regenerate.
1540         * config.in: Regenerate.
1541
1542 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1543
1544         PR target/49868
1545         Extend __pgmx semantics to linearize memory.
1546         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1547         determine if code comes inline or from libgcc.
1548         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1549         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1550         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1551         (movmemx_qi, movmemx_hi): New insns.
1552         (xload_<mode>_libgcc): Rewrite to new insn condition.
1553         (xload_<mode>): Remove insns.
1554         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1555         cases that don't satisfy avr_xload_libgcc_p().
1556         (avr_addr_space_convert): Allow converting in any direction.
1557         (avr_addr_space_subset_p): Return always true.
1558         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1559         (avr_emit_movmemhi): Ditto.
1560         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1561         (avr_out_movmem): Ditto.
1562         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1563         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1564         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1565         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1566         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1567
1568 2012-01-10  Richard Guenther  <rguenther@suse.de>
1569
1570         PR tree-optimization/50913
1571         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1572         Require data-refs to be representable by Graphite with respect
1573         to any loop nest.
1574
1575 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1576
1577         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1578         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1579
1580 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1581
1582         PR rtl-optimization/51271
1583         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1584         handling annulled branch.
1585
1586 2012-01-10  Richard Henderson  <rth@redhat.com>
1587
1588         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1589         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1590         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1591         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1592         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1593         arm_expand_vec_perm_const): New.
1594         * config/arm/arm-protos.h: Update.
1595         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1596         (*neon_vswp<VDQX>): New.
1597         (neon_vcombine<VDX>): Use neon_split_vcombine.
1598         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1599         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1600         (vec_perm<VE>): New.
1601
1602 2012-01-10  Richard Henderson  <rth@redhat.com>
1603
1604         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1605         use it if reload_completed.
1606         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1607         arm_output_asm_insn, arm_process_output_memory_barrier,
1608         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1609         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1610         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1611         arm_process_output_sync_insn, arm_output_sync_insn,
1612         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1613         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1614         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1615         (emit_unlikely_jump): New.
1616         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1617         (arm_split_atomic_op): New.
1618         * config/arm/arm-protos.h: Update.
1619         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1620         (struct arm_sync_generator): Remove.
1621         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1622         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1623         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1624         (VUNSPEC_LL, VUNSPEC_SC): New.
1625         (sync_result, sync_memory, sync_required_value, sync_new_value,
1626         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1627         (attr length): Don't use arm_sync_loop_insns.
1628         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1629         (movsfcc, movdfcc): Likewise.
1630         * config/arm/constraints.md (Ua): New.
1631         * config/arm/prediates.md (mem_noofs_operand): New.
1632         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1633         (sync_clobber, sync_t2_reqd): Remove.
1634         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1635         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1636         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1637         (arm_sync_compare_and_swap<SIDI>): Remove.
1638         (arm_sync_compare_and_swap<NARROW>): Remove.
1639         (arm_sync_lock_test_and_set<SIDI>): Remove.
1640         (arm_sync_lock_test_and_set<NARROW>): Remove.
1641         (arm_sync_new_<syncop><SIDI>): Remove.
1642         (arm_sync_new_<syncop><NARROW>): Remove.
1643         (arm_sync_new_nand<SIDI>): Remove.
1644         (arm_sync_new_nand<NARROW>): Remove.
1645         (arm_sync_old_<syncop><SIDI>): Remove.
1646         (arm_sync_old_<syncop><NARROW>): Remove.
1647         (arm_sync_old_nand<SIDI>): Remove.
1648         (arm_sync_old_nand<NARROW>): Remove.
1649         (*memory_barrier): Merge arm_output_memory_barrier.
1650         (atomic_compare_and_swap<QHSD>): New.
1651         (atomic_compare_and_swap<NARROW>_1): New.
1652         (atomic_compare_and_swap<SIDI>_1): New.
1653         (atomic_exchange<QHSD>): New.
1654         (cas_cmp_operand, cas_cmp_str): New.
1655         (atomic_op_operand, atomic_op_str): New.
1656         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1657         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1658         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1659         (arm_load_exclusive<NARROW>): New.
1660         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1661         (arm_store_exclusive<QHSD>): New.
1662
1663 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1664
1665         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1666         reload patterns if -mvsx-scalar-memory.
1667
1668         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1669         generated, even -mno-vsx-scalar-double was used.
1670         (vsx_xscvdpsp_scalar): Likewise.
1671         (vsx_xscvspdp_scalar2): Likewise.
1672
1673 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1674             Andrew Pinski  <apinski@cavium.com>
1675
1676         PR debug/51471
1677         * reorg.c (fill_slots_from_thread): Don't speculate
1678         frame-related insns.
1679
1680 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1681
1682         * sched-int.h (bb_note): Move to...
1683         * basic-block.h: ...here.
1684         * haifa-sched.c (bb_note): Move to...
1685         * cfgrtl.c: ...here.
1686         * function.c (next_block_for_reg): New function.
1687         (move_insn_for_shrink_wrap): Likewise.
1688         (prepare_shrink_wrap): Rewrite to use the above.
1689
1690 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1691
1692         * gimple.c (is_gimple_non_addressable): Remove.
1693         * gimple.h: Remove is_gimple_non_addressable.
1694         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1695         is_gimple_non_addressable.
1696         * trans-mem.c (expand_assign_tm): Same.
1697
1698 2012-01-09  Richard Guenther  <rguenther@suse.de>
1699
1700         PR tree-optimization/51775
1701         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1702         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1703
1704 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1705
1706         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1707         tuning parameters.
1708         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1709
1710 2012-01-09  Richard Guenther  <rguenther@suse.de>
1711
1712         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1713
1714 2012-01-08  Jan Hubicka  <jh@suse.cz>
1715
1716         PR tree-optimize/51680
1717         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1718         on when known_vals needs to be computed; cleanup.
1719
1720 2012-01-08  Jan Hubicka  <jh@suse.cz>
1721
1722         PR tree-optimize/51694
1723         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1724
1725 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1726
1727         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1728         for -std=c++98 and -std=c++11 too.
1729
1730 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1731
1732         * cfgloop.c (cancel_loop): Add free() of bbs array.
1733
1734 2012-01-07  Jan Hubicka  <jh@suse.cz>
1735
1736         PR tree-optimization/51600
1737         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1738         that benefits small functions.
1739
1740 2012-01-07  Jan Hubicka  <jh@suse.cz>
1741
1742         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1743
1744 2012-01-07  Jan Hubicka  <jh@suse.cz>
1745
1746         PR tree-optimization/51680
1747         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1748         whose inlining reduce unit size.
1749
1750 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1751
1752         PR bootstrap/51725
1753         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1754         Add canonical node to containing_mem chain after the non-canonical
1755         one, even if there weren't any locs to propagate.
1756         (remove_useless_values): Keep only canonical values.
1757         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1758         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1759         canonicalize mem_chain elements that are not discarded.
1760
1761 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1762
1763         PR target/47333
1764         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1765         before emitting functions.
1766
1767         PR gcov-profile/50127
1768         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1769         clear_aux_for_blocks.
1770
1771 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1772
1773         PR debug/51746
1774         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1775
1776 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1777
1778         * c-decl.c (ext_block): Moved up.
1779         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1780
1781 2012-01-06  Han Shen  <shenhan@google.com>
1782
1783         Translate built-in include paths for sysroot.
1784         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1785         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1786
1787         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1788         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1789
1790         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1791         control whether sysroot should be prepended to gxx include dir.
1792
1793         * configure: Regenerate.
1794
1795 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1796
1797         PR rtl-optimization/51771
1798         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1799         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1800
1801 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1802
1803         PR tree-optimization/51315
1804         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1805         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1806
1807 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1808
1809         PR target/51681
1810         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1811         for shrp pattern.  Correctly handle and fixup shift variable.
1812         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1813
1814 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1815
1816         PR debug/51762
1817         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1818         note when !ACCUMULATE_OUTGOING_ARGS.
1819
1820 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1821
1822         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1823         condition.
1824         (extract_range_from_unary_expr_1): Avoid useless computations.
1825
1826 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1827
1828         PR rtl-optimization/51767
1829         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1830         of jump_block and add an extra edge for degenerated asm gotos.
1831
1832         PR middle-end/51768
1833         * stmt.c (check_unique_operand_names): Don't ICE during error
1834         reporting if i is from labels chain.
1835
1836         PR middle-end/44777
1837         * profile.c (branch_prob): Split bbs that have exit edge
1838         and need a fake entry edge too.
1839
1840 2012-01-05  Jan Hubicka  <jh@suse.cz>
1841
1842         PR middle-end/49710
1843         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1844         unlooping loops.
1845
1846 2012-01-05  Richard Guenther  <rguenther@suse.de>
1847
1848         PR lto/50490
1849         * tree-streamer-out.c (write_ts_optimization): New function.
1850         (streamer_write_tree_body): Call it.
1851         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1852         (streamer_read_tree_body): Call it.
1853         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1854
1855 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1856
1857         PR middle-end/51761
1858         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1859         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1860         in_cleanup_point_expr before gimplify_stmt call and restore it
1861         afterwards.
1862         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1863         in_cleanup_point_expr is false.
1864
1865 2012-01-05  Richard Guenther  <rguenther@suse.de>
1866
1867         PR middle-end/51764
1868         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1869         to c.opt.
1870         * toplev.c (process_options): Reject combining mudflap and LTO.
1871         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1872
1873 2012-01-05  Richard Guenther  <rguenther@suse.de>
1874
1875         PR tree-optimization/51760
1876         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1877         not VARYING.
1878         (bit_value_unop): Handle UNDEFINED operands.
1879         (bit_value_binop): Likewise.
1880
1881 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1882
1883         * config/avr/avr.c (avr_replace_prefix): Remove.
1884         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1885         (avr_asm_function_rodata_section): Ditto.
1886         (avr_asm_select_section): Ditto.
1887
1888 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1889
1890         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1891         insertion.
1892
1893 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR bootstrap/51648
1896         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1897         calls that have any non-fake successor edges.
1898
1899         PR debug/51746
1900         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1901
1902 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1903
1904         PR tree-optimization/51624
1905         * tree-sra.c (build_ref_for_model): When replicating a chain of
1906         COMPONENT_REFs, stop as soon as the offset would become negative.
1907
1908 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1909
1910         PR debug/51695
1911         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1912         in .debug_loc on the floor.
1913
1914 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1915
1916         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1917
1918 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1919             Adam Nemet  <anemet@caviumnetworks.com>
1920
1921         * config/mips/mips.md (size): Add SI and DI.
1922         (SIZE): New mode attribute.
1923         (U): New code attribute.
1924         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1925         (mips_lbux_<mode>): Delete.
1926         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1927         (mips_lhx): Use gen_mips_lhx_extsi.
1928         (mips_lhx_<mode>): Delete.
1929         (mips_lwx): Delete.
1930         (mips_l<size>x): New expand.
1931         (mips_lwx_<mode>): Delete.
1932         (mips_l<GPR:size>x_<P:mode>): New pattern.
1933         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1934         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1935         * config/mips/mips.c (mips_lx_address_p): New function.
1936         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1937         (dsp64): New availability predicate.
1938         (mips_builtins): Add an entry for __builtin_mips_ldx.
1939         * config/mips/mips.h (ISA_HAS_LBX): New define.
1940         (ISA_HAS_LBUX): Likewise.
1941         (ISA_HAS_LHX): Likewise.
1942         (ISA_HAS_LHUX): Likewise.
1943         (ISA_HAS_LWX): Likewise.
1944         (ISA_HAS_LWUX): Likewise.
1945         (ISA_HAS_LDX): Likewise.
1946         * doc/extend.texi (__builtin_mips_ldx): Document.
1947
1948 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1949
1950         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1951         when long pointers are used.
1952         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1953         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1954         (ia64-hp-*vms*): Remove.
1955         * config/vms/xm-vms64.h: Delete.
1956
1957 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1958
1959         PR middle-end/51472
1960         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1961
1962 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1963
1964         * opts.c (finish_options): Remove duplicate sorry.
1965
1966 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1967
1968         PR middle-end/51696
1969         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1970         correctly.
1971
1972 2012-01-04  Richard Guenther  <rguenther@suse.de>
1973
1974         PR middle-end/51750
1975         * tree.c (size_low_cst): New function.
1976         * tree.h (size_low_cst): Declare.
1977         * fold-const.c (fold_comparison): Use it to extract the low
1978         part of the POINTER_PLUS_EXPR offset.
1979
1980 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1981
1982         Fix clearing ZERO_REG
1983         * config/avr/avr.md (cc): Add alternative "ldi".
1984         (movqi_insn): Use it in cc attribute.
1985         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1986         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1987         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1988
1989 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1990
1991         * configure: Regenerate.
1992
1993 2012-01-04  Richard Guenther  <rguenther@suse.de>
1994
1995         PR tree-optimization/49651
1996         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1997         (var_can_have_subvars): Use it.
1998         (get_constraint_for_1): Only consider subfields if there can be any.
1999
2000 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2001
2002         PR bootstrap/51725
2003         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2004         to its new canonical_cselib_val and the cselib_val was in
2005         first_containing_mem chain, but the canonical_cselib_val was not,
2006         add the latter into the chain.
2007         (cselib_invalidate_mem): Compare canonical_cselib_val of
2008         addr_list chain elt with v.
2009
2010         PR pch/51722
2011         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2012         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2013         of xstrdup.
2014         (output_macinfo_op): Don't ggc_strdup fd->filename.
2015         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2016         then ggc_strdup it.  Don't free inc->info or cur->info.
2017         (output_macinfo): Don't free ref->info or file->info.
2018
2019 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2020
2021         PR tree-optimization/51269
2022         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2023         first_niters a pointer.
2024         (slpeel_tree_peel_loop_to_edge): Likewise.
2025         (vect_do_peeling_for_loop_bound): Update call to
2026         slpeel_tree_peel_loop_to_edge.
2027         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2028         here.  Remove it from the parameters list.
2029         (vect_do_peeling_for_alignment): Update calls and compute
2030         wide_prolog_niters.
2031
2032 2012-01-03  Richard Guenther  <rguenther@suse.de>
2033
2034         PR tree-optimization/51070
2035         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2036         Properly handle calls.
2037
2038 2012-01-03  Richard Guenther  <rguenther@suse.de>
2039
2040         PR tree-optimization/51692
2041         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2042         the LHS of allocation stmts.
2043
2044 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2045
2046         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2047
2048 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2049
2050         * collect2.c (main): In AIX specific computations for vector
2051         insertions, use CONST_CAST2 to cast from char ** to const char **.
2052
2053 2012-01-03  Richard Guenther  <rguenther@suse.de>
2054
2055         PR debug/51650
2056         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2057         the context of a limbo DIE when it does not already exist.
2058
2059 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2060
2061         PR tree-optimization/51719
2062         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2063         but direct call is, clear direct call's lhs and don't add fallthrough
2064         edge from dcall_bb to join_bb and PHIs.
2065
2066 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2067
2068         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2069         the instructions emitted by the pattern.
2070         ("*TDC_insn_<mode>"): Add comment.
2071
2072 2012-01-03  Richard Guenther  <rguenther@suse.de>
2073
2074         PR middle-end/51730
2075         * fold-const.c (fold_comparison): Properly canonicalize
2076         tree offset and HOST_WIDE_INT bit position.
2077
2078 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2079
2080         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2081         operands for extzv pattern.
2082
2083 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2084
2085         PR bootstrap/51725
2086         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2087         on mem_elt first.
2088
2089 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2090
2091         * doc/invoke.texi (-flto and related options): Copy-edit.
2092
2093 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2094
2095         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2096
2097 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2098
2099         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2100         New patterns.
2101
2102 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2103
2104         * expr.h (move_by_pieces_ninsns): Declare.
2105         * expr.c (move_by_pieces_ninsns): Make external.
2106         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2107         (mips_store_by_pieces_p): Likewise.
2108         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2109         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2110         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2111         (mips_store_by_pieces_p): Likewise.
2112
2113 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2114
2115         * passes.c (register_one_dump_file): Free full_name.
2116
2117         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2118         (calculate_elim_costs_all_insns): Free offsets_at and
2119         offsets_known_at at the end and clear the pointers.
2120
2121 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2122
2123         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2124         this option introduced in r180739.
2125
2126 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2127
2128         PR target/51345
2129         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2130         (tmake_file target=avr): Add avr/t-multilib.
2131
2132         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2133         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2134         * config/avr/genmultilib.awk: New file.
2135         * config/avr/t-multilib: New auto-generated file.
2136         * config/avr/multilib.h: New auto-generated file.
2137         * config/avr/t-avr (AVR_MCUS): New variable.
2138         (genopt.sh): Use it.
2139         (s-mlib): Depend on t-multilib.
2140         (t-multilib, multilib.h): New dependencies.
2141         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2142         (MULTILIB_OPTIONS): Remove.
2143         (MULTILIB_MATCHES): Remove.
2144         (MULTILIB_DIRNAMES): Remove.
2145         (MULTILIB_EXCEPTIONS): Remove:
2146         * config/avr/genopt.sh: Don't use hard coded file name;
2147         pass AVR_MCUS from t-avr instead.
2148
2149 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2150
2151         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2152
2153 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2154
2155         Implement light-weight DImode support.
2156         * config/avr/avr-dimode.md: New file.
2157         * config/avr/avr.md: Include it.
2158         (adjust_len): Add plus64, compare64.
2159         (HIDI): Remove code iterator.
2160         (code_stdname): New code attribute.
2161         (rotx, rotsmode): Remove DI.
2162         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2163         as code iterator.
2164         * config/avr/avr-protos.h (avr_have_dimode): New.
2165         (avr_out_plus64, avr_out_compare64): New.
2166         * config/avr/avr.c (avr_out_compare): Handle DImode.
2167         (avr_have_dimode): New variable definition and initialization.
2168         (avr_out_compare64, avr_out_plus64): New functions.
2169         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2170         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2171         (avr_compare_pattern): Skip DImode comparisons.
2172
2173 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2174
2175         * ddg.c (def_has_ccmode_p): New function.
2176         (add_cross_iteration_register_deps,
2177         create_ddg_dep_from_intra_loop_link): Call it.
2178
2179 2012-01-02  Richard Guenther  <rguenther@suse.de>
2180
2181         PR other/51679
2182         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2183
2184 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2185
2186         * gcc.c (process_command): Update copyright notice dates.
2187         * gcov.c (print_version): Likewise.
2188         * gcov-dump.c (print_version): Likewise.
2189         * mips-tfile.c (main): Likewise.
2190         * mips-tdump.c (main): Likewise.
2191
2192 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2193
2194         PR tree-optimization/51704
2195         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2196         a use is inside the basic block or loop before accessing its vect info.
2197
2198 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2199
2200         PR rtl-optimization/51069
2201         * cfgloopmanip.c (remove_path): Removing path making irreducible
2202         region unconditional makes BB part of the region.
2203
2204 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2205
2206         PR tree-optimization/51683
2207         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2208         calls with side-effects.
2209         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2210 \f
2211 Copyright (C) 2012 Free Software Foundation, Inc.
2212
2213 Copying and distribution of this file, with or without modification,
2214 are permitted in any medium without royalty provided the copyright
2215 notice and this notice are preserved.