gcc/ChangeLog

   1 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
   2
   3         PR middle-end/52140
   4         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
   5
   6 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
   7
   8         PR debug/52165
   9         * var-tracking.c (emit_note_insn_var_location): If
  10         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
  11         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
  12         non-NOTE_DURING_CALL_P insn.
  13
  14 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
  15
  16         PR middle-end/51867
  17         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
  18
  19 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
  20
  21         PR driver/48524
  22         * gcc.c (switch_matches) Support switches with separated form, -D
  23         and -U.
  24
  25 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
  26
  27         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
  28         (SP_ADDR): Ditto.
  29         (RAMPZ_ADDR): Ditto.
  30         * config/avr/avr.c (avr_addr_t): New typedef.
  31         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
  32         (avr_init_expanders): Initialize it.
  33         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
  34         SREG_ADDR.
  35         (expand_epilogue): Ditto.
  36         (avr_print_operand): Ditto.
  37         (avr_file_start): Ditto.
  38         (avr_emit_movmemhi): Ditto.
  39
  40 2012-02-08  Richard Guenther  <rguenther@suse.de>
  41
  42         PR tree-optimization/46886
  43         * tree-flow.h (do_while_loop_p): Declare.
  44         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
  45         * tree-parloops.c (parallelize_loops): Only parallelize do-while
  46         loops.
  47
  48 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
  49
  50         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
  51         always succeed for integers larger than a native word.
  52
  53 2012-02-08  Richard Guenther  <rguenther@suse.de>
  54
  55         PR rtl-optimization/52170
  56         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
  57         properly handle integer vector modes.
  58
  59 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
  60
  61         PR gcov-profile/52150
  62         * coverage.c: Include target.h.
  63         (build_var): Call targetm.strip_name_encoding on the assembler name.
  64         Change one _ into . or $ if the target allows it.
  65         * Makefile.in (coverage.o): Depend on $(TARGET_H).
  66
  67         PR rtl-optimization/52139
  68         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
  69         is a BARRIER after emit_insn_after_noloc, move BB_END
  70         to the last non-BARRIER insn before it.
  71
  72 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
  73
  74         PR middle-end/24306
  75         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
  76         (mips_gimplify_va_arg_expr): Call it instead of
  77         std_gimplify_va_arg_expr.
  78
  79 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
  80
  81         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
  82         message for -mno-pointers-to-nested-function.
  83
  84 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
  85
  86         PR middle-end/51994
  87         * expr.c (get_inner_reference): If there is an offset, add a negative
  88         bit position to it (if any).
  89
  90 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  91
  92         PR rtl-optimization/52060
  93         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
  94         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
  95         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
  96         and/or i0src_copy2 when needed.
  97
  98 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  99
 100         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
 101         or LTOPLUGINSONAME if have_c.
 102
 103         * config/freebsd-spec.h: Add comment about what macros can be defined
 104         in this header.
 105         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
 106         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
 107         here instead.
 108
 109 2012-02-07  Richard Guenther  <rguenther@suse.de>
 110
 111         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
 112         newline in -alias dumps.
 113
 114 2012-02-07  Kai Tietz  <ktietz@redhat.com>
 115             Dave Korn  <dave.korn.cygwin@gmail.com>
 116
 117         PR target/40068
 118         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
 119         Take care that typinfo gets dllexport-attribute.
 120
 121 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 122
 123         PR middle-end/52074
 124         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
 125         if modifier < EXPAND_SUM call force_operand on the result.
 126
 127 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
 128
 129         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
 130         adding __forwarder_dst__ prefix if a forwarder_section attribute is
 131         present.
 132         (epiphany_function_type): Replace types for specific interrupts with
 133         EPIPHANY_FUNCTION_INTERRUPT.
 134         (EPIPHANY_INTERRUPT_P): Update.
 135         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
 136         New static function.
 137         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
 138         <disinterrupt>: Affects type identity.
 139         (epiphany_handle_interrupt_attribute): Handle variable number of
 140         arguments.
 141         (epiphany_compute_function_type): Update for new
 142         epiphany_function_type definition.
 143         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
 144         handlers with a longcall forwarder.
 145         (epiphany_start_function): Handle multiple interrupt arguments and/or
 146         forwarder_section attribute.
 147
 148         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
 149
 150 2012-02-07  Alan Modra  <amodra@gmail.com>
 151
 152         PR target/52107
 153         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
 154         subregs of TFmode.
 155
 156 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 157
 158         PR tree-optimization/50969
 159         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
 160         use vec_perm rather than vector_stmt.
 161         (vect_model_load_cost): Likewise.
 162         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
 163         vec_perm to be the same as other vector statements.
 164         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
 165         cost of vec_perm for TARGET_VSX.
 166
 167 2012-02-06  Richard Guenther  <rguenther@suse.de>
 168
 169         PR tree-optimization/52115
 170         * tree-sra.c (access_has_replacements_p): New function.
 171         (sra_modify_assign): Use it to decide whether a use is uninitialized.
 172
 173 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
 174
 175         PR middle-end/52047
 176         * trans-mem.c (expand_call_tm): Add an assertion.
 177         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
 178         functions.
 179
 180 2012-02-06  Richard Guenther  <rguenther@suse.de>
 181
 182         PR tree-optimization/50955
 183         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
 184         raise cost of expressions that replace an address with an
 185         expression based on a different pointer.
 186
 187 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
 188
 189         PR target/52129
 190         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
 191         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
 192
 193 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
 194
 195         PR c++/48680
 196         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
 197         -Weffc++ and specify guidelines come from second edition.
 198
 199 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 200
 201         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
 202         (sibcall_value_multiple_internal, call_split, call_internal_direct)
 203         (call_direct_split, call_value_split, call_value_internal_direct)
 204         (call_value_direct_split, call_value_multiple_split): Use jal and
 205         jal_macro attributes.
 206
 207 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 208
 209         * reload1.c (reload_regs_reach_end_p): Replace with...
 210         (reload_reg_rtx_reaches_end_p): ...this function.
 211         (new_spill_reg_store): Update commentary.
 212         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
 213         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
 214         before setting new_spill_reg_store.
 215         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
 216         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
 217         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
 218         for non-spill reload registers.
 219
 220 2012-02-05  Ira Rosen  <irar@il.ibm.com>
 221
 222         PR tree-optimization/52091
 223         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
 224         (vect_is_simple_use_1): Likewise.
 225         * tree-vect-loop.c (vectorizable_reduction): Update calls
 226         to vect_is_simple_use_1 and vect_is_simple_use.
 227         (vectorizable_live_operation): Likewise.
 228         * tree-vect-patterns.c (widened_name_p,
 229         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
 230         Likewise.
 231         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
 232         vectorizable_call, vectorizable_conversion,
 233         vectorizable_assignment, vectorizable_shift,
 234         vectorizable_operation, vectorizable_store, vectorizable_load):
 235         Likewise.
 236         (vect_is_simple_cond): Add an argument, pass it to
 237         vect_is_simple_use_1.
 238         (vectorizable_condition): Update calls to vect_is_simple_cond,
 239         vect_is_simple_use.
 240         (vect_is_simple_use): Add an argument, the statement in which
 241         OPERAND is used.  Check that if OPERAND's def stmt is a double
 242         reduction phi node, the use is a phi node too.
 243         (vect_is_simple_use_1): Add an argument, pass it to
 244         vect_is_simple_use.
 245         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
 246         to vect_is_simple_use.
 247
 248 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
 249
 250         PR rtl-optimization/52095
 251         * modulo-sched.c (dump_insn_locator): New function.
 252         (loop_canon_p, sms_schedule): Use it.
 253
 254         PR rtl-optimization/52113
 255         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 256         even for decomposable shift/zext insns.
 257
 258 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 259             Zdenek Dvorak  <ook@ucw.cz>
 260
 261         PR rtl-optimization/52092
 262         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 263         on get_iv_value result.
 264
 265 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 266
 267         PR middle-end/47982
 268         PR middle-end/43967
 269         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 270
 271 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 272
 273         PR middle-end/48071
 274         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 275
 276 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 277
 278         PR rtl-optimization/49800
 279         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 280         (sched_finish): Call regstat_free_n_sets_and_refs.
 281
 282 2012-02-02  Jia Liu  <proljc@gmail.com>
 283
 284         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 285         than operand 2.
 286
 287 2012-02-02 Jan Hubicka  <jh@suse.cz>
 288            Tom de Vries  <tom@codesourcery.com>
 289
 290         PR middle-end/51998
 291         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 292         * varpool.c (varpool_analyze_pending_decls): Likewise.
 293
 294 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 295             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 296
 297         * config.gcc: Add cr16-* support.
 298
 299         * doc/extend.texi: Document cr16 extensions.
 300         * doc/install.texi: Document cr16 install.
 301         * doc/invoke.texi: Document cr16 options.
 302         * doc/md.texi: Document cr16 constraints.
 303
 304         * common/config/cr16/cr16-common.c: New file.
 305         * config/cr16/cr16.c: New file.
 306         * config/cr16/cr16.h: New file.
 307         * config/cr16/cr16.md: New file.
 308         * config/cr16/cr16.opt: New file.
 309         * config/cr16/cr16-protos.h: New file.
 310         * config/cr16/predicates.md: New file.
 311         * config/cr16/constraints.md: New file.
 312         * config/cr16/t-cr16: New file.
 313
 314 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 315
 316         PR target/52086
 317         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 318         that operands[2] is either immediate, or q_regs_operand.
 319
 320         PR tree-optimization/52073
 321         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 322         a pattern stmt for pattern uses, ignore uses outside of the loop.
 323
 324 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 325
 326         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 327         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 328         (OUT_AS1, OUT_AS2): Remove.
 329
 330 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 331
 332         PR rtl-optimization/51374
 333         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 334         to cross other volatile_refs_p insns.
 335
 336 2012-02-01  Richard Guenther  <rguenther@suse.de>
 337
 338         * doc/invoke.texi (fno-inline): Clarify documentation.
 339         (finline-small-functions): Likewise.
 340         (finline-functions): Likewise.
 341         * common.opt (finline): Adjust comment and documentation.
 342         (finline-small-functions): Clarify documentation.
 343         (finline-functions): Likewise.
 344         (finline-functions-called-once): Likewise.
 345
 346 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 347
 348         * c-typeck.c (composite_type): Keep mode for pointers.
 349
 350 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 351
 352         * function.h (regno_reg_rtx): Adjust comment.
 353         * reginfo.c (init_reg_modes_target): Only use the previous mode
 354         if it fits within one register.  Remove MIPS comment.
 355
 356 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 357
 358         PR bootstrap/52058
 359         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 360
 361 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 362
 363         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 364         to srak instruction.
 365
 366 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 367
 368         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
 369         condition.
 370
 371 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 372
 373         PR bootstrap/52041
 374         PR bootstrap/52039
 375         PR target/51974
 376         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 377
 378 2012-01-31  Richard Guenther  <rguenther@suse.de>
 379
 380         PR tree-optimization/51528
 381         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 382         assigns.
 383
 384 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 385
 386         PR bootstrap/52041
 387         PR bootstrap/52039
 388         PR target/51974
 389         * ree.c (add_removable_extension): Change def_map argument
 390         to unsigned *, store in def_map 1 + offset into *insn_list vector
 391         instead of pointers into the vector.
 392         (find_removable_extensions): Adjust caller.
 393
 394 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 395
 396         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 397         Transform all "* quoted-c-code" to { c-code }.
 398         Remove redundant test for "optimize" in combine patterns.
 399         Move (include "avr-dimode.md") to end of file.
 400
 401 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 402
 403         PR target/51835
 404         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 405         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 406
 407 2012-01-30  Richard Guenther  <rguenther@suse.de>
 408
 409         PR tree-optimization/52028
 410         * tree-loop-distribution.c (ldist_gen): Properly update
 411         virtual SSA form.
 412
 413 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 414
 415         PR debug/52027
 416         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 417         set_cur_line_info_table if not emitting debug info.
 418
 419         PR tree-optimization/52046
 420         * tree-vect-patterns.c (check_bool_pattern): Give up if
 421         a comparison could throw.
 422
 423         PR debug/52048
 424         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 425
 426 2012-01-30  Richard Guenther  <rguenther@suse.de>
 427
 428         PR tree-optimization/52045
 429         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 430         SSA form if cfgcleanup did anything.
 431
 432 2012-01-30  Richard Guenther  <rguenther@suse.de>
 433
 434         PR tree-optimization/52045
 435         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 436         before computing final todo.
 437
 438 2012-01-30  Richard Guenther  <rguenther@suse.de>
 439
 440         PR tree-optimization/51528
 441         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 442         for PR51528 fix.
 443
 444 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 445
 446         * df-problems.c (df_kill_notes): Check that the use refers
 447         to the note under examination.
 448
 449 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 450
 451         PR target/51920
 452         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 453         parameter and use short-lived pseudos.
 454         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 455         (sparc_expand_vector_init): Const-ify local variables and adjust
 456         calls to above functions.
 457
 458 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 459
 460         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 461
 462 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 463
 464         * doc/invoke.texi: Make usage of "compile time" and
 465         "run time"/"runtime" consistent throughout the file.
 466
 467 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 468
 469         * config/alpha/alpha.c (alpha_option_overrride): Default to
 470         full IEEE compliance mode for Go language.
 471
 472 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 473
 474         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 475         (LINK_SSP_SPEC): Define.
 476
 477 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 478
 479         PR target/51871
 480         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 481         stubs.
 482
 483 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 484
 485         * doc/invoke.texi: Correct hyphenation of "floating point",
 486         "double precision", and related terminology throughout the file.
 487
 488 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 489
 490         PR target/52006
 491         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 492         arm_general_register_operand predicate for operand 2 instead of
 493         register_operand.
 494
 495 2012-01-27  Ian Lance Taylor  <iant@google.com>
 496
 497         PR go/47656
 498         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 499         * builtins.c (expand_builtin_init_trampoline): Add onstack
 500         parameter.  Change caller.
 501         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 502         * tree.c (build_common_builtin_nodes): Declare
 503         __builtin_init_heap_trampoline.
 504
 505 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 506
 507         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 508         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 509         * config/avr/avr.c: Ditto.
 510         (avr_regnames): Remove because unused.
 511         * config/avr/avr.md (*cpse.ne): New peephole.
 512         (*cpse.eq): New peephole from former cpse peepholes.
 513
 514 2012-01-27  Michael Eager  <eager@eagercon.com>
 515
 516         * config/microblaze.c (microblaze_emit_compare): Correct
 517         test after pcmp instruction.
 518
 519 2012-01-27  Richard Guenther  <rguenther@suse.de>
 520
 521         PR tree-optimization/52020
 522         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 523
 524 2012-01-27  Richard Guenther  <rguenther@suse.de>
 525
 526         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 527         function non-const/pure.
 528
 529 2012-01-27  Richard Guenther  <rguenther@suse.de>
 530
 531         PR tree-optimization/50444
 532         * tree-sra.c (build_ref_for_offset): Properly adjust the
 533         MEM_REF type for unaligned accesses.
 534
 535 2012-01-27  Richard Guenther  <rguenther@suse.de>
 536
 537         PR tree-optimization/50444
 538         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 539         (expand_assignment): Use it.  Properly handle misaligned
 540         bases when expanding stores to component references.
 541         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 542         refactor that case.
 543
 544 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 545
 546         PR middle-end/51389
 547         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 548         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 549         * tree-data-ref.c (find_data_references_in_loop): Make static.
 550         (compute_all_dependences): Change return type to bool.  Bail out
 551         for too many datarefs in a loop.  Move the hunk resetting the data
 552         dependences vector from ...
 553         (compute_data_dependences_for_loop): ... here.  Account for
 554         compute_all_dependences returning false.
 555         (compute_data_dependences_for_bb): Likewise.
 556         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 557         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 558
 559 2012-01-27  Richard Guenther  <rguenther@suse.de>
 560
 561         PR middle-end/51959
 562         * expr.c (store_field): Use the alias-set of the scratch memory
 563         for storing to it.
 564
 565 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 566
 567         PR tree-optimization/51990
 568         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 569         WITH_SIZE_EXPR.
 570         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 571
 572 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 573
 574         PR debug/52001
 575         * var-tracking.c (reverse_op): Don't add any reverse operation
 576         if V already has any constant locations.
 577
 578 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 579
 580         * doc/invoke.texi: Correct usage of "command line" (noun)
 581         vs "command-line" (adjective) throughout.
 582
 583 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 584
 585         * doc/invoke.texi (Language Independent Options): Move
 586         -Wcoverage-mismatch blurb from here....
 587         (Warning Options): ...to here.
 588
 589 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 590
 591         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 592         Set rs6000_always_hint to false for 476.
 593
 594 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 595
 596         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 597           system root.
 598         * incpath.c (add_standard_paths): Likewise.
 599
 600 2012-01-27  Richard Henderson  <rth@redhat.com>
 601
 602         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 603         * config/m68k/sync.md (atomic_test_and_set): Rename from
 604         sync_test_and_setqi and adjust the operands.
 605         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 606         and unconditionally enable.
 607
 608 2012-01-27  Richard Henderson  <rth@redhat.com>
 609
 610         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 611         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 612         (ldstub): Rename from ldstubqi.
 613         (ldstub<I24MODE>): Remove.
 614
 615 2012-01-27  Richard Henderson  <rth@redhat.com>
 616
 617         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 618         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 619         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 620         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 621         * doc/tm.texi: Rebuild.
 622
 623 2012-01-27  Richard Henderson  <rth@redhat.com>
 624
 625         * optabs.c (gen_atomic_test_and_set): Remove default.
 626         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 627
 628 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 629
 630         PR rtl-optimization/51978
 631         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 632         (combine_reaching_defs): Likewise.
 633         (struct re_info): Remove.
 634         (add_removable_extension): Remove x and data arguments,
 635         add insn, insn_list and def_map.  Use the arguments directly
 636         instead of using struct re_info.
 637         (find_removable_extensions): Don't call add_removable_extension
 638         through note_stores, instead just call it with single_set
 639         result if non-NULL.
 640         (find_and_remove_re): Pass curr_cand->expr instead of
 641         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 642
 643 2012-01-26  Michael Matz  <matz@suse.de>
 644
 645         PR tree-optimization/46590
 646         * cfgexpand.c: Revert last change (r183305).
 647         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 648         regs.
 649         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 650         checking for emptiness.
 651
 652 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 653
 654         PR middle-end/51895
 655         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 656         non-addressable non-BLKmode base correctly.
 657
 658 2012-01-26  Michael Matz  <matz@suse.de>
 659
 660         PR tree-optimization/48794
 661         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 662         regions referenced from RESX/EH_DISPATCH.
 663
 664 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 665
 666         * config/s390/s390.h: Make BRANCH_COST an option.
 667         * config/s390/s390.opt: New option -mbranch-cost.
 668
 669 2012-01-26  Richard Henderson  <rth@redhat.com>
 670
 671         Revert 2012-01-24 change:
 672         * trans-mem.c (requires_barrier): Do not instrument thread local
 673         variables and emit save/restore for them.
 674
 675 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 676
 677         PR middle-end/51986
 678         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 679         for pat == 0.
 680
 681 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 682
 683         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 684         ASM_OPERANDS.
 685
 686 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 687
 688         PR target/49868
 689         Rename __pgm to __flash.
 690         Rename __pgm1 to __flash1.
 691         Rename __pgm2 to __flash2.
 692         Rename __pgm3 to __flash3.
 693         Rename __pgm4 to __flash4.
 694         Rename __pgm5 to __flash5.
 695         Rename __pgmx to __memx.
 696         * doc/extend.texi (AVR Named Address Spaces)
 697         Rename address space names as indicated above.
 698         * config/avr/avr.c (avr_addrspace): Ditto.
 699
 700         * config/avr/avr-protos.h
 701         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 702         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 703         * config/avr/predicates.md: Ditto.
 704         * config/avr/avr.c Ditto, and
 705         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 706         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 707
 708         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 709         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 710         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 711         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 712         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 713         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 714         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 715         * config/avr/avr.c: Ditto.
 716         * config/avr/avr.md: Ditto.
 717
 718 2012-01-25  Jason Merrill  <jason@redhat.com>
 719
 720         PR c++/51992
 721         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 722
 723 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 724
 725         PR tree-optimization/51987
 726         * tree-data-ref.c (get_references_in_stmt): Handle references in
 727         non-volatile GIMPLE_ASM.
 728
 729 2012-01-25  Richard Guenther  <rguenther@suse.de>
 730
 731         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 732         bases are dereferenced.
 733
 734 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 735
 736         PR rtl-optimization/48374
 737         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 738
 739 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 740
 741         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 742         compute_data_dependences_for_loop returns false.
 743         * tree-parloops.c (loop_parallel_p): Likewise.
 744
 745 2012-01-25  Richard Guenther  <rguenther@suse.de>
 746
 747         * tree.h (get_pointer_alignment_1): Declare.
 748         * builtins.c (get_pointer_alignment_1): New function.
 749         (get_pointer_alignment): Use it.
 750
 751 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 752
 753         PR rtl-optimization/48308
 754         * combine.c (enum undo_kind): Add UNDO_LINKS.
 755         (struct undo): Add member l to other_contents and where.
 756         (do_SUBST_LINK): New.
 757         (SUBST_LINK): New.
 758         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 759         (undo_all): Handle UNDO_LINKS.
 760
 761 2012-01-25  Richard Henderson  <rth@redhat.com>
 762
 763         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 764         mem inputs.
 765
 766 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 767
 768         * optabs.c (gen_atomic_test_and_set): Use each argument.
 769
 770 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 771
 772         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 773         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 774         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 775         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 776         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 777         TARGET_PAIRED_SINGLE_FLOAT.
 778
 779 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 780
 781         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 782         (in_struct, return_val): Remove MEM documentation.
 783         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 784         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 785         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 786         and MEM_SCALAR.
 787         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 788         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 789         * expr.c (store_field): Likewise.
 790         * function.c (assign_stack_temp_for_type): Likewise.
 791         * ifcvt.c (noce_try_cmove_arith): Likewise.
 792         * reload1.c (reload): Likewise.
 793         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 794         (alpha_set_memflags): Likewise.
 795         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 796
 797 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 798
 799         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 800         parameter.
 801         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 802         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 803         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 804         varies parameter.
 805         * cselib.c (cselib_rtx_varies_p): Delete.
 806         (cselib_invalidate_mem): Update call to canon_true_dependence.
 807         * dse.c (record_store, check_mem_read_rtx): Likewise.
 808         (scan_reads_nospill): Likewise.
 809         * cse.c (check_dependence): Likewise.
 810         (cse_rtx_varies_p): Delete.
 811         * expr.c (safe_from_p): Update call to true_dependence.
 812         * ira.c (validate_equiv_mem_from_store): Likewise.
 813         (memref_referenced_p): Likewise.
 814         * postreload-gcse.c (find_mem_conflicts): Likewise.
 815         * sched-deps.c (sched_analyze_2): Likewise.
 816         * store-motion.c (load_kills_store): Likewise.
 817         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 818         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 819         (compute_transp): Update call to canon_true_dependence.
 820
 821 2012-01-25  Richard Henderson  <rth@redhat.com>
 822
 823         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 824         (maybe_emit_atomic_test_and_set): New.
 825         (expand_sync_lock_test_and_set): Use it.
 826         (expand_atomic_test_and_set): Likewise.
 827         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 828         the implementation; clarify implementation defined details.
 829         * doc/md.texi (atomic_test_and_set): Document.
 830
 831 2012-01-25  Richard Henderson  <rth@redhat.com>
 832
 833         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 834
 835 2012-01-25  Richard Henderson  <rth@redhat.com>
 836
 837         PR target/51968
 838         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 839         to effect no-op split.
 840
 841 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 842
 843         PR lto/51698
 844         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 845         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 846         (BT_FN_VOID_PTR_INT_SIZE): New.
 847         (BT_FN_UINT_UINT_VAR): Remove.
 848         (BT_FN_UINT32_UINT32_VAR): New.
 849         (BT_FN_DOUBLE_VPTR): Remove.
 850         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 851
 852         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 853         (_ITM_changeTransactionMode): Same.
 854         (_ITM_memmoveRtWt): Change return type to void.
 855         (_ITM_memcpyRtWt): Same.
 856         (_ITM_memsetW): Same.
 857         (_ITM_RaRD): Change types to double.
 858         (_ITM_RD): Same.
 859         (_ITM_RaWD): Same.
 860         (_ITM_RfWD): Same.
 861
 862         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 863
 864 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 865             Patrick Marlier  <patrick.marlier@gmail.com>
 866
 867         * trans-mem.c (requires_barrier): Do not instrument thread local
 868         variables and emit save/restore for them.
 869
 870 2012-01-24  Jason Merrill  <jason@redhat.com>
 871
 872         PR c++/51812
 873         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 874         output static aliases.
 875
 876 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 877
 878         PR driver/47249
 879         * common.opt (-pie, -shared, pie, shared): Change from Common to
 880         Driver.
 881         * gcc.c (display_help): Display help for -pie and -shared.
 882
 883 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 884
 885         PR target/49868
 886         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 887         Remove note on size/offset limitation.
 888         (AVR Variable Attributes): Add example how to read data located
 889         with progmem.  Refer to named address spaces.
 890         * doc/invoke.texi (AVR Options): Fix typo.
 891
 892 2012-01-24  Richard Guenther  <rguenther@suse.de>
 893
 894         Forward-port to trunk
 895         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 896
 897         PR middle-end/45678
 898         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 899         op0 isn't sufficiently aligned and there is movmisalignM
 900         insn for mode, use it to load op0 into a temporary register.
 901
 902 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 903
 904         PR target/51957
 905         * target.def (const_not_ok_for_debug_p): New hook.
 906         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 907         documentation.
 908         * doc/tm.texi: Regenerated.
 909         * dwarf2out.c (const_ok_for_output_1): If
 910         targetm.const_not_ok_for_debug_p returns true, fail.
 911         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 912         function.
 913         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 914
 915 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 916
 917         PR target/51900
 918         * config/i386/predicates.md (symbolic_operand): Allow
 919         UNSPEC_PCREL as PIC expression for lea.
 920         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 921         * config/i386/i386.c (ix86_delegitimize_address): Handle
 922         UNSPEC_PCREL for none-MEM, too.
 923
 924 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 925
 926         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 927         (ipa_tm_create_version_alias): Same.
 928
 929 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 930
 931         PR libitm/51830
 932         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 933         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 934
 935 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 936             Patrick Marlier  <patrick.marlier@gmail.com>
 937             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 938
 939         PR lto/51916
 940         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 941         simple_object_start_read.
 942
 943 2012-01-23  Richard Guenther  <rguenther@suse.de>
 944
 945
 946         PR tree-optimization/51895
 947         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 948         parameter decomposition into BLKmode components.
 949
 950 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 951
 952         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 953         fake variables for restrict-qualified pointers whose pointed-to type
 954         contains a placeholder.
 955
 956 2012-01-23  Richard Guenther  <rguenther@suse.de>
 957
 958         PR tree-optimization/51949
 959         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 960
 961 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 962
 963         PR rtl-optimization/51933
 964         * ree.c (transform_ifelse): Return true right away if dstreg is
 965         already wider or equal to cand->mode.
 966         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 967         (make_defs_and_copies_lists): Remove defs_list and copies_list
 968         arguments, add state argument, just truncate state->work_list
 969         instead of always allocating and freeing the vector.  Assert that
 970         get_defs succeeds instead of returning 2.  Changed return type to bool.
 971         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 972         have ext_src_mode, see if it has been modified already with the
 973         right kind of extension and has been extended before from the
 974         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 975         just return true.  Remember the original mode in state->modified array.
 976         (combine_reaching_defs): Add state argument.  Don't allocate and
 977         free here def_list, copied_list and vec vectors, instead just
 978         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 979         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 980         Add state variable, clear vectors in it, initialize state.modified
 981         if needed.  Free all the vectors at the end and state.modified too.
 982         Don't skip a candidate if the extension expression has been modified.
 983
 984 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 985
 986         PR target/47096
 987         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 988          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 989         (extra_options) interix.opt -> i386/interix.opt"
 990         (extra_objs):Add winnt-stubs.o
 991         * configure.ac: Add interix to target_os .comm on PE check.
 992         * configure: Regenerate.
 993         * config/interix3.h: Delete and move bits to..
 994         * config/interix.h: Delete and move bits to..
 995         * config/i386/i386-interix3.h: Delete and move bits to..
 996         * config/i386/i386-interix.h: ..here.
 997         (TARGET_CPU_DEFAULT): Remove redefinition.
 998         (TARGET_ASM_CONSTRUCTOR): Undefine.
 999         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1000         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1001         (PTRDIFF_TYPE): Define.
1002         (LONG_DOUBLE_TYPE_SIZE): Define.
1003         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1004         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1005         (TARGET_SECTION_TYPE_FLAGS): Define.
1006         (ASM_DECLARE_FUNCTION_NAME): Define.
1007         (ASM_OUTPUT_EXTERNAL): Define.
1008         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1009         (ASM_OUTPUT_ALIGNED_BSS): Define.
1010         (PCC_BITFIELD_TYPE_MATTERS): Define.
1011         (USE_CONST_SECTION): Define.
1012         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1013         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1014         (SUPPORTS_ONE_ONLY): Remove.
1015         (I386_PE_STRIP_ENCODING): Define.
1016         * config/interix.opt: Delete and move bits to..
1017         * config/i386/interix.opt: ..here. New.
1018         (mpe-aligned-commons): Add.
1019         * config/i386/t-interix: Add copyright header.
1020         (winnt-stubs.o): Add rule.
1021
1022 2012-01-22  Jason Merrill  <jason@redhat.com>
1023
1024         PR c++/51832
1025         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1026         for extra name aliases.
1027
1028 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1029
1030         PR rtl-optimization/51924
1031         * ree.c (combine_set_extension): Improve debugging message.
1032         (combine_reaching_defs): Likewise.
1033         (get_defs): Rename confusingly named variable.
1034         (find_and_remove_re): Skip a candidate if the extension expression has
1035         been modified.
1036
1037 2012-01-21  Robert Millan  <rmh@gnu.org>
1038             Gerald Pfeifer  <gerald@pfeifer.com>
1039
1040         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1041         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1042
1043 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1044
1045         PR tree-optimization/51914
1046         * tree-vect-stmts.c (vectorizable_conversion): For
1047         cvt_type && modifier == WIDEN, put temporary with cvt_type
1048         at the beginning of vec_dsts and set vec_dest to temporary
1049         with vectype_out.
1050
1051 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1052
1053         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1054
1055 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1056
1057         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1058         * config/rs6000/rs6000.c: Likewise.
1059
1060 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1061
1062         PR target/51915
1063         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1064         output_move_double on a copy of operands array.
1065
1066 2012-01-20  Cary Coutant  <ccoutant@google.com>
1067             Dodji Seketeli  <dodji@redhat.com>
1068
1069         PR debug/45682
1070         * dwarf2out.c (copy_declaration_context): Return ref to parent
1071         of declaration DIE, if necessary.
1072         (remove_child_or_replace_with_skeleton): Add new parameter; update
1073         caller.  Place skeleton DIE under parent DIE of original declaration.
1074         Move call to copy_declaration_context to here ...
1075         (break_out_comdat_types): ... from here.
1076
1077 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1078
1079         PR rtl-optimization/51856
1080         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1081         flag to reloaded.
1082
1083 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1084
1085         PR target/51819
1086         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1087         hints for neon loads and stores.
1088
1089 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1090
1091         PR target/49868
1092         PR target/50887
1093         * doc/extend.texi (Named Address Spaces): Split into subsections.
1094         (AVR Named Address Spaces): New subsection.
1095         (M32C Named Address Spaces): New subsection.
1096         (RL78 Named Address Spaces): New subsection.
1097         (SPU Named Address Spaces): New subsection.
1098         (Variable Attributes): New anchor "AVR Variable Attributes".
1099         (AVR Variable Attributes): Rewrite and avoid wording
1100         "address space" in this context.
1101         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1102         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1103         (AVR Built-in Macros): New subsubsection therein.
1104         * doc/md.texi (AVR constraints): Remove "C04", "R".
1105
1106 2012-01-20  Richard Guenther  <rguenther@suse.de>
1107
1108         PR tree-optimization/51903
1109         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1110         when removing stmts.
1111
1112 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1113
1114         PR target/50313
1115         * config/arm/arm.c (arm_load_pic_register): Use
1116         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1117         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1118         (arm_pic_static_addr): Likewise.
1119         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1120         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1121         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1122         (pic_load_addr_unified): New.
1123
1124 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1125
1126         PR target/51106
1127         * function.c (instantiate_virtual_regs_in_insn): Use
1128         delete_insn_and_edges when removing a wrong asm insn.
1129
1130 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1131
1132         PR rtl-optimization/40761
1133         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1134         Add new member loop_num.
1135         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1136         (ira_build): Remove the parameter.
1137
1138         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1139         (ira.c): Do not build CFG loops for one region allocation.  Remove
1140         argument from ira_build call.
1141
1142         * ira-build.c (init_loop_tree_node): New function.
1143         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1144         loops are not built.
1145         (more_one_region_p): Check current_loops.
1146         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1147         built.
1148         (add_loop_to_tree): Process loop equal to NULL too.
1149         (form_loop_tree): Separate the case when CFG loops are not built.
1150         Use explicitly number for the root.
1151         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1152         an assertion.
1153         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1154         instead of loop->num.
1155         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1156         (mark_all_loops_for_removal): Ditto.
1157         (remove_unnecessary_regions): Separate the case when CFG loops
1158         are not built.
1159         (ira_build): Remove the parameter.  Use explicit number of regions
1160         when CFG loops are not built.
1161
1162         * ira-color.c (print_loop_title): Separate the case for the root node.
1163         Use loop_num instead of loop->num.
1164         (move_spill_restore): Use loop_num instead of loop->num.
1165
1166         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1167         (change_loop): Ditto.
1168         (change_loop): Use loop_num instead of loop->num.
1169
1170         * ira-lives.c (process_bb_node_lives): Ditto.
1171
1172         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1173
1174         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1175
1176 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1177
1178         PR libmudflap/40778
1179         * tree-mudflap.c (mf_artificial): New function.
1180         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1181         mx_register_decls, mudflap_enqueue_decl): Use it.
1182
1183         PR target/51876
1184         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1185         numbers in the insn pattern.
1186
1187 2012-01-19  Michael Matz  <matz@suse.de>
1188
1189         PR tree-optimization/46590
1190         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1191         use it in remembering which conflicts we already created.
1192         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1193         bitmap.
1194
1195 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1196
1197         PR lto/51280
1198         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1199         (merge_and_complain): Same.
1200
1201 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1202
1203         PR bootstrap/50237
1204         * config/initfini-array.h: Guard content of the header
1205         with #ifdef HAVE_INITFINI_ARRAY.
1206         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1207         Add initfini-array.h to tm_file here.
1208         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1209         * config.gcc: Don't add initfini-array.h to tm_file here.
1210         * configure: Regenerated.
1211
1212 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1213
1214         PR rtl-optimization/51505
1215         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1216         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1217         (df_note_bb_compute): Update the call to df_kill_notes.
1218
1219 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1220
1221         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1222
1223 2012-01-18  Richard Guenther  <rguenther@suse.de>
1224
1225         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1226         of conversions to void *.
1227
1228 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1229             Richard Sandiford  <rdsandiford@googlemail.com>
1230
1231         PR middle-end/50325
1232         PR middle-end/51192
1233         * optabs.h (simplify_expand_binop): Declare.
1234         * optabs.c (simplify_expand_binop): Make global.
1235         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1236         endian targets if the source cannot be exactly covered by word
1237         mode chunks.
1238
1239 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1240
1241         PR bootstrap/51872
1242         * hard-reg-set.h (struct hard_reg_set_container): New type.
1243         * target.h (struct hard_reg_set_container): Forward declare.
1244         * target.def (set_up_by_prologue): New target hook.
1245         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1246         * doc/tm.texi: Regenerated.
1247         * function.c (thread_prologue_and_epilogue_insns): Change
1248         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1249         Call targetm.set_up_by_prologue on it.
1250         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1251         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1252
1253 2012-01-17  Nick Clifton  <nickc@redhat.com>
1254
1255         * config/rx/rx.c (rx_can_use_simple_return): New function.
1256         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1257         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1258
1259 2012-01-17  Richard Guenther  <rguenther@suse.de>
1260
1261         PR middle-end/51782
1262         * expr.c (expand_assignment): Take address-space information
1263         from the address operand of MEM_REF and TARGET_MEM_REF.
1264         (expand_expr_real_1): Likewise.
1265
1266 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1267
1268         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1269         reload dump is requested.
1270
1271 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1272
1273         PR other/51165
1274         * trans-mem.c (requires_barrier): Call may_be_aliased.
1275
1276 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1277
1278         PR tree-optimization/51877
1279         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1280         call arguments and fndecls compare equal, instead return false if they
1281         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1282         both SSA_NAMEs that are valueized the same, or they satisfy
1283         operand_equal_p.
1284
1285 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1286
1287         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1288         Solaris 11+.
1289         * configure: Regenerate.
1290
1291 2012-01-16  Jan Hubicka  <jh@suse.cz>
1292
1293         PR c/12245
1294         PR c++/14179
1295         * convert.c (convert_to_integer): Use fold_convert for
1296         converting an INTEGER_CST to integer type.
1297
1298 2012-01-16  Jason Merrill  <jason@redhat.com>
1299
1300         PR c++/14179
1301         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1302
1303 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1304
1305         PR bootstrap/51860
1306         * config/s390/s390.c (s390_chunkify_start): Don't skip
1307         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1308         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1309         If insn is followed by NOTE_INSN_VAR_LOCATION or
1310         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1311         Don't use location of note insns.
1312
1313         PR tree-optimization/51865
1314         * tree-inline.c (tree_function_versioning): Call remap_decl
1315         on DECL_RESULT whenever it has VOID_TYPE_P type.
1316
1317 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1318
1319         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1320         for calls to locally-binding MIPS16 functions if only the return
1321         type uses float regs.
1322
1323 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1324             Richard Sandiford  <rdsandiford@googlemail.com>
1325
1326         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1327         (SYMBOL_32_HIGH): Likewise.
1328         (mips_output_tls_reloc_directive): Declare.
1329         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1330         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1331         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1332         (mips_lo_relocs, mips_hi_relocs): Make extern.
1333         (mips16_stub_function): Move up file.
1334         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1335         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1336         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1337         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1338         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1339         (mips_get_tp): Add MIPS16 support.
1340         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1341         Generalize DTPREL and TPREL handling.
1342         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1343         Add MIPS16 TLS support.
1344         (mips_output_tls_reloc_directive): New function.
1345         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1346         * config/mips/predicates.md (symbolic_operand_with_high)
1347         (tls_reloc_operand): New predicates.
1348         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1349         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1350         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1351         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1352         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1353         (*tls_get_tp_mips16_call_<mode>): Likewise.
1354
1355 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1356
1357         PR rtl-optimization/51821
1358         * recog.c (peep2_find_free_register): Determine clobbered registers
1359         from insn pattern.
1360
1361 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1362
1363         PR target/50925
1364         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1365         * config/avr/avr.c: Likewise.
1366         * config/avr/avr.h: Likewise.
1367
1368 2012-01-13  Ian Lance Taylor  <iant@google.com>
1369
1370         PR c++/50012
1371         * tree.h (TYPE_QUALS): Add cast to int.
1372         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1373
1374 2012-01-13  Ian Lance Taylor  <iant@google.com>
1375
1376         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1377         comparing param_index to VEC_length result.
1378
1379 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1380
1381         * c-decl.c: Do not include tree-mudflap.h
1382         * tree-optimize.c: Likewise.
1383         * Makefile.in: Update dependencies.
1384
1385 2012-01-13  Richard Guenther  <rguenther@suse.de>
1386
1387         PR middle-end/8081
1388         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1389         variable-sized result always use RSO.
1390
1391 2012-01-12  DJ Delorie  <dj@redhat.com>
1392
1393         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1394         pointer type, not just the default pointer type.
1395
1396 2012-01-09  Richard Henderson  <rth@redhat.com>
1397             Denis Chertykov  <chertykov@gmail.com>
1398
1399         PR target/50925
1400         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1401         * config/avr/avr.c (avr_can_eliminate): Simplify.
1402         (avr_initial_elimination_offset): Likewise.
1403         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1404         (expand_epilogue): Likewise.
1405         (avr_legitimize_address): Gut.
1406         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1407         (avr_hard_regno_nregs): New.
1408         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1409         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1410         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1411         add soft frame pointer.
1412         (CALL_USED_REGISTERS): Likewise.
1413         (REG_CLASS_CONTENTS): Likewise.
1414         (REGISTER_NAMES): Likewise.
1415         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1416         (HARD_FRAME_POINTER_REGNUM): New.
1417         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1418         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1419         remove the HARD_FRAME_POINTER self-elimination.
1420
1421 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1422
1423         PR target/51756
1424         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1425         DECL_EXTERNAL when checking for initializers of progmem variables.
1426
1427 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1428
1429         PR tree-optimization/51799
1430         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1431         that the last operation is a type demotion.
1432
1433 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1434
1435         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1436         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1437
1438 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1439
1440         PR bootstrap/51796
1441         * combine.c (distribute_notes): If i3 is a noreturn call,
1442         allow old_size to be equal to args_size and make sure the
1443         noreturn call gets REG_ARGS_SIZE note.
1444         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1445         on noreturn calls even when the delta is 0.
1446
1447 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1448
1449         * gcov.c (STRING_SIZE): Remove.
1450         (generate_results): Erase annotations for source files with no
1451         coverage information.
1452         (read_line): New.
1453         (output_lines): Use it.
1454
1455 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1456
1457         * gimple.h (gimplify_body): Remove first argument.
1458         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1459         pointer set here, instead just pass DATA to walk_tree.
1460         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1461         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1462         (unvisit_body): Likewise, but with unmark_visited.
1463         (gimplify_body): Remove BODY_P argument and adjust.
1464         (gimplify_function_tree): Adjust call to gimplify_body.
1465         * omp-low.c (finalize_task_copyfn): Likewise.
1466
1467 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1468
1469         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1470         (build_function_type_skip_args): Delete.
1471         * tree.c (build_function_type_skip_args): Make static and add
1472         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1473         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1474         pass it to build_function_type_skip_args.
1475         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1476         (tree_function_versioning): Likewise.
1477         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1478         build_function_decl_skip_args.
1479         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1480         and pass it to build_function_decl_skip_args/tree_function_versioning.
1481         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1482         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1483         * trans-mem.c (ipa_tm_create_version): Likewise.
1484         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1485         * tree-inline.c (declare_return_variable): Remove always-true test.
1486         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1487         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1488         * ipa-split.c (split_function): Skip the return value for the split
1489         part if it doesn't return.
1490
1491 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1492
1493         PR tree-optimization/49642
1494         * ipa-split.c (forbidden_dominators): New variable.
1495         (check_forbidden_calls): New function.
1496         (dominated_by_forbidden): Likewise.
1497         (consider_split): Check for forbidden dominators.
1498         (execute_split_functions): Initialize and free forbidden
1499         dominators info; call check_forbidden_calls.
1500
1501 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1502
1503         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1504
1505 2012-01-11  Nick Clifton  <nickc@redhat.com>
1506
1507         * config/rx/rx.md (return): Define pattern.
1508
1509 2012-01-11  Richard Guenther  <rguenther@suse.de>
1510
1511         * doc/extend.texi (malloc attribute): Adjust according to
1512         implementation.
1513
1514 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1515             Patrick Marlier  <patrick.marlier@gmail.com>
1516
1517         PR middle-end/51516
1518         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1519         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1520         (ipa_tm_note_irrevocable): Same.
1521         (ipa_tm_scan_irr_block): Same.
1522         (ipa_tm_decrement_clone_counts): Same.
1523         (ipa_tm_scan_irr_function): Same.
1524         (ipa_tm_create_version_alias): Same.
1525         (ipa_tm_create_version): Same.
1526         (ipa_tm_transform_calls_redirect): Same.
1527         (ipa_tm_transform_calls): Same.
1528         (ipa_tm_transform_transaction): Same.
1529         (ipa_tm_execute): Same.
1530
1531 2012-01-10  Richard Guenther  <rguenther@suse.de>
1532
1533         PR middle-end/51806
1534         * opts.c (common_handle_option): Handle -Werror.
1535
1536 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1537
1538         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1539         operand number.
1540
1541 2012-01-10  Jason Merrill  <jason@redhat.com>
1542
1543         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1544         information.
1545
1546 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1547
1548         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1549         supports R_386_TLS_GD_PLT reloc.
1550         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1551         supports R_386_TLS_LDM_PLT reloc.
1552         * configure: Regenerate.
1553         * config.in: Regenerate.
1554
1555 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1556
1557         PR target/49868
1558         Extend __pgmx semantics to linearize memory.
1559         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1560         determine if code comes inline or from libgcc.
1561         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1562         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1563         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1564         (movmemx_qi, movmemx_hi): New insns.
1565         (xload_<mode>_libgcc): Rewrite to new insn condition.
1566         (xload_<mode>): Remove insns.
1567         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1568         cases that don't satisfy avr_xload_libgcc_p().
1569         (avr_addr_space_convert): Allow converting in any direction.
1570         (avr_addr_space_subset_p): Return always true.
1571         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1572         (avr_emit_movmemhi): Ditto.
1573         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1574         (avr_out_movmem): Ditto.
1575         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1576         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1577         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1578         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1579         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1580
1581 2012-01-10  Richard Guenther  <rguenther@suse.de>
1582
1583         PR tree-optimization/50913
1584         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1585         Require data-refs to be representable by Graphite with respect
1586         to any loop nest.
1587
1588 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1589
1590         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1591         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1592
1593 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1594
1595         PR rtl-optimization/51271
1596         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1597         handling annulled branch.
1598
1599 2012-01-10  Richard Henderson  <rth@redhat.com>
1600
1601         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1602         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1603         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1604         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1605         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1606         arm_expand_vec_perm_const): New.
1607         * config/arm/arm-protos.h: Update.
1608         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1609         (*neon_vswp<VDQX>): New.
1610         (neon_vcombine<VDX>): Use neon_split_vcombine.
1611         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1612         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1613         (vec_perm<VE>): New.
1614
1615 2012-01-10  Richard Henderson  <rth@redhat.com>
1616
1617         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1618         use it if reload_completed.
1619         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1620         arm_output_asm_insn, arm_process_output_memory_barrier,
1621         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1622         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1623         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1624         arm_process_output_sync_insn, arm_output_sync_insn,
1625         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1626         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1627         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1628         (emit_unlikely_jump): New.
1629         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1630         (arm_split_atomic_op): New.
1631         * config/arm/arm-protos.h: Update.
1632         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1633         (struct arm_sync_generator): Remove.
1634         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1635         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1636         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1637         (VUNSPEC_LL, VUNSPEC_SC): New.
1638         (sync_result, sync_memory, sync_required_value, sync_new_value,
1639         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1640         (attr length): Don't use arm_sync_loop_insns.
1641         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1642         (movsfcc, movdfcc): Likewise.
1643         * config/arm/constraints.md (Ua): New.
1644         * config/arm/prediates.md (mem_noofs_operand): New.
1645         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1646         (sync_clobber, sync_t2_reqd): Remove.
1647         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1648         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1649         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1650         (arm_sync_compare_and_swap<SIDI>): Remove.
1651         (arm_sync_compare_and_swap<NARROW>): Remove.
1652         (arm_sync_lock_test_and_set<SIDI>): Remove.
1653         (arm_sync_lock_test_and_set<NARROW>): Remove.
1654         (arm_sync_new_<syncop><SIDI>): Remove.
1655         (arm_sync_new_<syncop><NARROW>): Remove.
1656         (arm_sync_new_nand<SIDI>): Remove.
1657         (arm_sync_new_nand<NARROW>): Remove.
1658         (arm_sync_old_<syncop><SIDI>): Remove.
1659         (arm_sync_old_<syncop><NARROW>): Remove.
1660         (arm_sync_old_nand<SIDI>): Remove.
1661         (arm_sync_old_nand<NARROW>): Remove.
1662         (*memory_barrier): Merge arm_output_memory_barrier.
1663         (atomic_compare_and_swap<QHSD>): New.
1664         (atomic_compare_and_swap<NARROW>_1): New.
1665         (atomic_compare_and_swap<SIDI>_1): New.
1666         (atomic_exchange<QHSD>): New.
1667         (cas_cmp_operand, cas_cmp_str): New.
1668         (atomic_op_operand, atomic_op_str): New.
1669         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1670         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1671         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1672         (arm_load_exclusive<NARROW>): New.
1673         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1674         (arm_store_exclusive<QHSD>): New.
1675
1676 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1677
1678         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1679         reload patterns if -mvsx-scalar-memory.
1680
1681         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1682         generated, even -mno-vsx-scalar-double was used.
1683         (vsx_xscvdpsp_scalar): Likewise.
1684         (vsx_xscvspdp_scalar2): Likewise.
1685
1686 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1687             Andrew Pinski  <apinski@cavium.com>
1688
1689         PR debug/51471
1690         * reorg.c (fill_slots_from_thread): Don't speculate
1691         frame-related insns.
1692
1693 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1694
1695         * sched-int.h (bb_note): Move to...
1696         * basic-block.h: ...here.
1697         * haifa-sched.c (bb_note): Move to...
1698         * cfgrtl.c: ...here.
1699         * function.c (next_block_for_reg): New function.
1700         (move_insn_for_shrink_wrap): Likewise.
1701         (prepare_shrink_wrap): Rewrite to use the above.
1702
1703 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1704
1705         * gimple.c (is_gimple_non_addressable): Remove.
1706         * gimple.h: Remove is_gimple_non_addressable.
1707         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1708         is_gimple_non_addressable.
1709         * trans-mem.c (expand_assign_tm): Same.
1710
1711 2012-01-09  Richard Guenther  <rguenther@suse.de>
1712
1713         PR tree-optimization/51775
1714         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1715         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1716
1717 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1718
1719         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1720         tuning parameters.
1721         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1722
1723 2012-01-09  Richard Guenther  <rguenther@suse.de>
1724
1725         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1726
1727 2012-01-08  Jan Hubicka  <jh@suse.cz>
1728
1729         PR tree-optimize/51680
1730         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1731         on when known_vals needs to be computed; cleanup.
1732
1733 2012-01-08  Jan Hubicka  <jh@suse.cz>
1734
1735         PR tree-optimize/51694
1736         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1737
1738 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1739
1740         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1741         for -std=c++98 and -std=c++11 too.
1742
1743 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1744
1745         * cfgloop.c (cancel_loop): Add free() of bbs array.
1746
1747 2012-01-07  Jan Hubicka  <jh@suse.cz>
1748
1749         PR tree-optimization/51600
1750         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1751         that benefits small functions.
1752
1753 2012-01-07  Jan Hubicka  <jh@suse.cz>
1754
1755         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1756
1757 2012-01-07  Jan Hubicka  <jh@suse.cz>
1758
1759         PR tree-optimization/51680
1760         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1761         whose inlining reduce unit size.
1762
1763 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1764
1765         PR bootstrap/51725
1766         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1767         Add canonical node to containing_mem chain after the non-canonical
1768         one, even if there weren't any locs to propagate.
1769         (remove_useless_values): Keep only canonical values.
1770         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1771         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1772         canonicalize mem_chain elements that are not discarded.
1773
1774 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1775
1776         PR target/47333
1777         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1778         before emitting functions.
1779
1780         PR gcov-profile/50127
1781         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1782         clear_aux_for_blocks.
1783
1784 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1785
1786         PR debug/51746
1787         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1788
1789 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1790
1791         * c-decl.c (ext_block): Moved up.
1792         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1793
1794 2012-01-06  Han Shen  <shenhan@google.com>
1795
1796         Translate built-in include paths for sysroot.
1797         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1798         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1799
1800         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1801         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1802
1803         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1804         control whether sysroot should be prepended to gxx include dir.
1805
1806         * configure: Regenerate.
1807
1808 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1809
1810         PR rtl-optimization/51771
1811         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1812         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1813
1814 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1815
1816         PR tree-optimization/51315
1817         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1818         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1819
1820 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1821
1822         PR target/51681
1823         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1824         for shrp pattern.  Correctly handle and fixup shift variable.
1825         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1826
1827 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1828
1829         PR debug/51762
1830         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1831         note when !ACCUMULATE_OUTGOING_ARGS.
1832
1833 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1834
1835         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1836         condition.
1837         (extract_range_from_unary_expr_1): Avoid useless computations.
1838
1839 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1840
1841         PR rtl-optimization/51767
1842         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1843         of jump_block and add an extra edge for degenerated asm gotos.
1844
1845         PR middle-end/51768
1846         * stmt.c (check_unique_operand_names): Don't ICE during error
1847         reporting if i is from labels chain.
1848
1849         PR middle-end/44777
1850         * profile.c (branch_prob): Split bbs that have exit edge
1851         and need a fake entry edge too.
1852
1853 2012-01-05  Jan Hubicka  <jh@suse.cz>
1854
1855         PR middle-end/49710
1856         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1857         unlooping loops.
1858
1859 2012-01-05  Richard Guenther  <rguenther@suse.de>
1860
1861         PR lto/50490
1862         * tree-streamer-out.c (write_ts_optimization): New function.
1863         (streamer_write_tree_body): Call it.
1864         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1865         (streamer_read_tree_body): Call it.
1866         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1867
1868 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1869
1870         PR middle-end/51761
1871         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1872         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1873         in_cleanup_point_expr before gimplify_stmt call and restore it
1874         afterwards.
1875         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1876         in_cleanup_point_expr is false.
1877
1878 2012-01-05  Richard Guenther  <rguenther@suse.de>
1879
1880         PR middle-end/51764
1881         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1882         to c.opt.
1883         * toplev.c (process_options): Reject combining mudflap and LTO.
1884         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1885
1886 2012-01-05  Richard Guenther  <rguenther@suse.de>
1887
1888         PR tree-optimization/51760
1889         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1890         not VARYING.
1891         (bit_value_unop): Handle UNDEFINED operands.
1892         (bit_value_binop): Likewise.
1893
1894 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1895
1896         * config/avr/avr.c (avr_replace_prefix): Remove.
1897         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1898         (avr_asm_function_rodata_section): Ditto.
1899         (avr_asm_select_section): Ditto.
1900
1901 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1902
1903         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1904         insertion.
1905
1906 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1907
1908         PR bootstrap/51648
1909         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1910         calls that have any non-fake successor edges.
1911
1912         PR debug/51746
1913         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1914
1915 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1916
1917         PR tree-optimization/51624
1918         * tree-sra.c (build_ref_for_model): When replicating a chain of
1919         COMPONENT_REFs, stop as soon as the offset would become negative.
1920
1921 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1922
1923         PR debug/51695
1924         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1925         in .debug_loc on the floor.
1926
1927 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1928
1929         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1930
1931 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1932             Adam Nemet  <anemet@caviumnetworks.com>
1933
1934         * config/mips/mips.md (size): Add SI and DI.
1935         (SIZE): New mode attribute.
1936         (U): New code attribute.
1937         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1938         (mips_lbux_<mode>): Delete.
1939         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1940         (mips_lhx): Use gen_mips_lhx_extsi.
1941         (mips_lhx_<mode>): Delete.
1942         (mips_lwx): Delete.
1943         (mips_l<size>x): New expand.
1944         (mips_lwx_<mode>): Delete.
1945         (mips_l<GPR:size>x_<P:mode>): New pattern.
1946         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1947         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1948         * config/mips/mips.c (mips_lx_address_p): New function.
1949         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1950         (dsp64): New availability predicate.
1951         (mips_builtins): Add an entry for __builtin_mips_ldx.
1952         * config/mips/mips.h (ISA_HAS_LBX): New define.
1953         (ISA_HAS_LBUX): Likewise.
1954         (ISA_HAS_LHX): Likewise.
1955         (ISA_HAS_LHUX): Likewise.
1956         (ISA_HAS_LWX): Likewise.
1957         (ISA_HAS_LWUX): Likewise.
1958         (ISA_HAS_LDX): Likewise.
1959         * doc/extend.texi (__builtin_mips_ldx): Document.
1960
1961 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1962
1963         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1964         when long pointers are used.
1965         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1966         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1967         (ia64-hp-*vms*): Remove.
1968         * config/vms/xm-vms64.h: Delete.
1969
1970 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1971
1972         PR middle-end/51472
1973         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1974
1975 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1976
1977         * opts.c (finish_options): Remove duplicate sorry.
1978
1979 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1980
1981         PR middle-end/51696
1982         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1983         correctly.
1984
1985 2012-01-04  Richard Guenther  <rguenther@suse.de>
1986
1987         PR middle-end/51750
1988         * tree.c (size_low_cst): New function.
1989         * tree.h (size_low_cst): Declare.
1990         * fold-const.c (fold_comparison): Use it to extract the low
1991         part of the POINTER_PLUS_EXPR offset.
1992
1993 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1994
1995         Fix clearing ZERO_REG
1996         * config/avr/avr.md (cc): Add alternative "ldi".
1997         (movqi_insn): Use it in cc attribute.
1998         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1999         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2000         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2001
2002 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2003
2004         * configure: Regenerate.
2005
2006 2012-01-04  Richard Guenther  <rguenther@suse.de>
2007
2008         PR tree-optimization/49651
2009         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2010         (var_can_have_subvars): Use it.
2011         (get_constraint_for_1): Only consider subfields if there can be any.
2012
2013 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2014
2015         PR bootstrap/51725
2016         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2017         to its new canonical_cselib_val and the cselib_val was in
2018         first_containing_mem chain, but the canonical_cselib_val was not,
2019         add the latter into the chain.
2020         (cselib_invalidate_mem): Compare canonical_cselib_val of
2021         addr_list chain elt with v.
2022
2023         PR pch/51722
2024         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2025         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2026         of xstrdup.
2027         (output_macinfo_op): Don't ggc_strdup fd->filename.
2028         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2029         then ggc_strdup it.  Don't free inc->info or cur->info.
2030         (output_macinfo): Don't free ref->info or file->info.
2031
2032 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2033
2034         PR tree-optimization/51269
2035         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2036         first_niters a pointer.
2037         (slpeel_tree_peel_loop_to_edge): Likewise.
2038         (vect_do_peeling_for_loop_bound): Update call to
2039         slpeel_tree_peel_loop_to_edge.
2040         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2041         here.  Remove it from the parameters list.
2042         (vect_do_peeling_for_alignment): Update calls and compute
2043         wide_prolog_niters.
2044
2045 2012-01-03  Richard Guenther  <rguenther@suse.de>
2046
2047         PR tree-optimization/51070
2048         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2049         Properly handle calls.
2050
2051 2012-01-03  Richard Guenther  <rguenther@suse.de>
2052
2053         PR tree-optimization/51692
2054         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2055         the LHS of allocation stmts.
2056
2057 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2058
2059         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2060
2061 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2062
2063         * collect2.c (main): In AIX specific computations for vector
2064         insertions, use CONST_CAST2 to cast from char ** to const char **.
2065
2066 2012-01-03  Richard Guenther  <rguenther@suse.de>
2067
2068         PR debug/51650
2069         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2070         the context of a limbo DIE when it does not already exist.
2071
2072 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2073
2074         PR tree-optimization/51719
2075         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2076         but direct call is, clear direct call's lhs and don't add fallthrough
2077         edge from dcall_bb to join_bb and PHIs.
2078
2079 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2080
2081         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2082         the instructions emitted by the pattern.
2083         ("*TDC_insn_<mode>"): Add comment.
2084
2085 2012-01-03  Richard Guenther  <rguenther@suse.de>
2086
2087         PR middle-end/51730
2088         * fold-const.c (fold_comparison): Properly canonicalize
2089         tree offset and HOST_WIDE_INT bit position.
2090
2091 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2092
2093         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2094         operands for extzv pattern.
2095
2096 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2097
2098         PR bootstrap/51725
2099         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2100         on mem_elt first.
2101
2102 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2103
2104         * doc/invoke.texi (-flto and related options): Copy-edit.
2105
2106 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2107
2108         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2109
2110 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2111
2112         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2113         New patterns.
2114
2115 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2116
2117         * expr.h (move_by_pieces_ninsns): Declare.
2118         * expr.c (move_by_pieces_ninsns): Make external.
2119         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2120         (mips_store_by_pieces_p): Likewise.
2121         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2122         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2123         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2124         (mips_store_by_pieces_p): Likewise.
2125
2126 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2127
2128         * passes.c (register_one_dump_file): Free full_name.
2129
2130         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2131         (calculate_elim_costs_all_insns): Free offsets_at and
2132         offsets_known_at at the end and clear the pointers.
2133
2134 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2135
2136         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2137         this option introduced in r180739.
2138
2139 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2140
2141         PR target/51345
2142         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2143         (tmake_file target=avr): Add avr/t-multilib.
2144
2145         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2146         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2147         * config/avr/genmultilib.awk: New file.
2148         * config/avr/t-multilib: New auto-generated file.
2149         * config/avr/multilib.h: New auto-generated file.
2150         * config/avr/t-avr (AVR_MCUS): New variable.
2151         (genopt.sh): Use it.
2152         (s-mlib): Depend on t-multilib.
2153         (t-multilib, multilib.h): New dependencies.
2154         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2155         (MULTILIB_OPTIONS): Remove.
2156         (MULTILIB_MATCHES): Remove.
2157         (MULTILIB_DIRNAMES): Remove.
2158         (MULTILIB_EXCEPTIONS): Remove:
2159         * config/avr/genopt.sh: Don't use hard coded file name;
2160         pass AVR_MCUS from t-avr instead.
2161
2162 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2163
2164         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2165
2166 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2167
2168         Implement light-weight DImode support.
2169         * config/avr/avr-dimode.md: New file.
2170         * config/avr/avr.md: Include it.
2171         (adjust_len): Add plus64, compare64.
2172         (HIDI): Remove code iterator.
2173         (code_stdname): New code attribute.
2174         (rotx, rotsmode): Remove DI.
2175         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2176         as code iterator.
2177         * config/avr/avr-protos.h (avr_have_dimode): New.
2178         (avr_out_plus64, avr_out_compare64): New.
2179         * config/avr/avr.c (avr_out_compare): Handle DImode.
2180         (avr_have_dimode): New variable definition and initialization.
2181         (avr_out_compare64, avr_out_plus64): New functions.
2182         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2183         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2184         (avr_compare_pattern): Skip DImode comparisons.
2185
2186 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2187
2188         * ddg.c (def_has_ccmode_p): New function.
2189         (add_cross_iteration_register_deps,
2190         create_ddg_dep_from_intra_loop_link): Call it.
2191
2192 2012-01-02  Richard Guenther  <rguenther@suse.de>
2193
2194         PR other/51679
2195         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2196
2197 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2198
2199         * gcc.c (process_command): Update copyright notice dates.
2200         * gcov.c (print_version): Likewise.
2201         * gcov-dump.c (print_version): Likewise.
2202         * mips-tfile.c (main): Likewise.
2203         * mips-tdump.c (main): Likewise.
2204
2205 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2206
2207         PR tree-optimization/51704
2208         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2209         a use is inside the basic block or loop before accessing its vect info.
2210
2211 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2212
2213         PR rtl-optimization/51069
2214         * cfgloopmanip.c (remove_path): Removing path making irreducible
2215         region unconditional makes BB part of the region.
2216
2217 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2218
2219         PR tree-optimization/51683
2220         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2221         calls with side-effects.
2222         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2223 \f
2224 Copyright (C) 2012 Free Software Foundation, Inc.
2225
2226 Copying and distribution of this file, with or without modification,
2227 are permitted in any medium without royalty provided the copyright
2228 notice and this notice are preserved.