gcc/ChangeLog

   1 2012-02-10  Richard Guenther  <rguenther@suse.de>
   2
   3         PR translation/52193
   4         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
   5
   6 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
   7
   8         PR middle-end/52140
   9         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
  10
  11 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
  12
  13         PR debug/52165
  14         * var-tracking.c (emit_note_insn_var_location): If
  15         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
  16         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
  17         non-NOTE_DURING_CALL_P insn.
  18
  19 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
  20
  21         PR middle-end/51867
  22         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
  23
  24 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
  25
  26         PR driver/48524
  27         * gcc.c (switch_matches) Support switches with separated form, -D
  28         and -U.
  29
  30 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
  31
  32         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
  33         (SP_ADDR): Ditto.
  34         (RAMPZ_ADDR): Ditto.
  35         * config/avr/avr.c (avr_addr_t): New typedef.
  36         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
  37         (avr_init_expanders): Initialize it.
  38         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
  39         SREG_ADDR.
  40         (expand_epilogue): Ditto.
  41         (avr_print_operand): Ditto.
  42         (avr_file_start): Ditto.
  43         (avr_emit_movmemhi): Ditto.
  44
  45 2012-02-08  Richard Guenther  <rguenther@suse.de>
  46
  47         PR tree-optimization/46886
  48         * tree-flow.h (do_while_loop_p): Declare.
  49         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
  50         * tree-parloops.c (parallelize_loops): Only parallelize do-while
  51         loops.
  52
  53 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
  54
  55         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
  56         always succeed for integers larger than a native word.
  57
  58 2012-02-08  Richard Guenther  <rguenther@suse.de>
  59
  60         PR rtl-optimization/52170
  61         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
  62         properly handle integer vector modes.
  63
  64 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
  65
  66         PR gcov-profile/52150
  67         * coverage.c: Include target.h.
  68         (build_var): Call targetm.strip_name_encoding on the assembler name.
  69         Change one _ into . or $ if the target allows it.
  70         * Makefile.in (coverage.o): Depend on $(TARGET_H).
  71
  72         PR rtl-optimization/52139
  73         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
  74         is a BARRIER after emit_insn_after_noloc, move BB_END
  75         to the last non-BARRIER insn before it.
  76
  77 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
  78
  79         PR middle-end/24306
  80         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
  81         (mips_gimplify_va_arg_expr): Call it instead of
  82         std_gimplify_va_arg_expr.
  83
  84 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
  85
  86         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
  87         message for -mno-pointers-to-nested-function.
  88
  89 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
  90
  91         PR middle-end/51994
  92         * expr.c (get_inner_reference): If there is an offset, add a negative
  93         bit position to it (if any).
  94
  95 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
  96
  97         PR rtl-optimization/52060
  98         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
  99         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
 100         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
 101         and/or i0src_copy2 when needed.
 102
 103 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 104
 105         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
 106         or LTOPLUGINSONAME if have_c.
 107
 108         * config/freebsd-spec.h: Add comment about what macros can be defined
 109         in this header.
 110         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
 111         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
 112         here instead.
 113
 114 2012-02-07  Richard Guenther  <rguenther@suse.de>
 115
 116         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
 117         newline in -alias dumps.
 118
 119 2012-02-07  Kai Tietz  <ktietz@redhat.com>
 120             Dave Korn  <dave.korn.cygwin@gmail.com>
 121
 122         PR target/40068
 123         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
 124         Take care that typinfo gets dllexport-attribute.
 125
 126 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 127
 128         PR middle-end/52074
 129         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
 130         if modifier < EXPAND_SUM call force_operand on the result.
 131
 132 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
 133
 134         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
 135         adding __forwarder_dst__ prefix if a forwarder_section attribute is
 136         present.
 137         (epiphany_function_type): Replace types for specific interrupts with
 138         EPIPHANY_FUNCTION_INTERRUPT.
 139         (EPIPHANY_INTERRUPT_P): Update.
 140         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
 141         New static function.
 142         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
 143         <disinterrupt>: Affects type identity.
 144         (epiphany_handle_interrupt_attribute): Handle variable number of
 145         arguments.
 146         (epiphany_compute_function_type): Update for new
 147         epiphany_function_type definition.
 148         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
 149         handlers with a longcall forwarder.
 150         (epiphany_start_function): Handle multiple interrupt arguments and/or
 151         forwarder_section attribute.
 152
 153         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
 154
 155 2012-02-07  Alan Modra  <amodra@gmail.com>
 156
 157         PR target/52107
 158         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
 159         subregs of TFmode.
 160
 161 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 162
 163         PR tree-optimization/50969
 164         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
 165         use vec_perm rather than vector_stmt.
 166         (vect_model_load_cost): Likewise.
 167         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
 168         vec_perm to be the same as other vector statements.
 169         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
 170         cost of vec_perm for TARGET_VSX.
 171
 172 2012-02-06  Richard Guenther  <rguenther@suse.de>
 173
 174         PR tree-optimization/52115
 175         * tree-sra.c (access_has_replacements_p): New function.
 176         (sra_modify_assign): Use it to decide whether a use is uninitialized.
 177
 178 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
 179
 180         PR middle-end/52047
 181         * trans-mem.c (expand_call_tm): Add an assertion.
 182         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
 183         functions.
 184
 185 2012-02-06  Richard Guenther  <rguenther@suse.de>
 186
 187         PR tree-optimization/50955
 188         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
 189         raise cost of expressions that replace an address with an
 190         expression based on a different pointer.
 191
 192 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
 193
 194         PR target/52129
 195         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
 196         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
 197
 198 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
 199
 200         PR c++/48680
 201         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
 202         -Weffc++ and specify guidelines come from second edition.
 203
 204 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 205
 206         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
 207         (sibcall_value_multiple_internal, call_split, call_internal_direct)
 208         (call_direct_split, call_value_split, call_value_internal_direct)
 209         (call_value_direct_split, call_value_multiple_split): Use jal and
 210         jal_macro attributes.
 211
 212 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 213
 214         * reload1.c (reload_regs_reach_end_p): Replace with...
 215         (reload_reg_rtx_reaches_end_p): ...this function.
 216         (new_spill_reg_store): Update commentary.
 217         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
 218         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
 219         before setting new_spill_reg_store.
 220         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
 221         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
 222         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
 223         for non-spill reload registers.
 224
 225 2012-02-05  Ira Rosen  <irar@il.ibm.com>
 226
 227         PR tree-optimization/52091
 228         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
 229         (vect_is_simple_use_1): Likewise.
 230         * tree-vect-loop.c (vectorizable_reduction): Update calls
 231         to vect_is_simple_use_1 and vect_is_simple_use.
 232         (vectorizable_live_operation): Likewise.
 233         * tree-vect-patterns.c (widened_name_p,
 234         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
 235         Likewise.
 236         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
 237         vectorizable_call, vectorizable_conversion,
 238         vectorizable_assignment, vectorizable_shift,
 239         vectorizable_operation, vectorizable_store, vectorizable_load):
 240         Likewise.
 241         (vect_is_simple_cond): Add an argument, pass it to
 242         vect_is_simple_use_1.
 243         (vectorizable_condition): Update calls to vect_is_simple_cond,
 244         vect_is_simple_use.
 245         (vect_is_simple_use): Add an argument, the statement in which
 246         OPERAND is used.  Check that if OPERAND's def stmt is a double
 247         reduction phi node, the use is a phi node too.
 248         (vect_is_simple_use_1): Add an argument, pass it to
 249         vect_is_simple_use.
 250         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
 251         to vect_is_simple_use.
 252
 253 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
 254
 255         PR rtl-optimization/52095
 256         * modulo-sched.c (dump_insn_locator): New function.
 257         (loop_canon_p, sms_schedule): Use it.
 258
 259         PR rtl-optimization/52113
 260         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 261         even for decomposable shift/zext insns.
 262
 263 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 264             Zdenek Dvorak  <ook@ucw.cz>
 265
 266         PR rtl-optimization/52092
 267         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 268         on get_iv_value result.
 269
 270 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 271
 272         PR middle-end/47982
 273         PR middle-end/43967
 274         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 275
 276 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 277
 278         PR middle-end/48071
 279         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 280
 281 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 282
 283         PR rtl-optimization/49800
 284         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 285         (sched_finish): Call regstat_free_n_sets_and_refs.
 286
 287 2012-02-02  Jia Liu  <proljc@gmail.com>
 288
 289         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 290         than operand 2.
 291
 292 2012-02-02 Jan Hubicka  <jh@suse.cz>
 293            Tom de Vries  <tom@codesourcery.com>
 294
 295         PR middle-end/51998
 296         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 297         * varpool.c (varpool_analyze_pending_decls): Likewise.
 298
 299 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 300             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 301
 302         * config.gcc: Add cr16-* support.
 303
 304         * doc/extend.texi: Document cr16 extensions.
 305         * doc/install.texi: Document cr16 install.
 306         * doc/invoke.texi: Document cr16 options.
 307         * doc/md.texi: Document cr16 constraints.
 308
 309         * common/config/cr16/cr16-common.c: New file.
 310         * config/cr16/cr16.c: New file.
 311         * config/cr16/cr16.h: New file.
 312         * config/cr16/cr16.md: New file.
 313         * config/cr16/cr16.opt: New file.
 314         * config/cr16/cr16-protos.h: New file.
 315         * config/cr16/predicates.md: New file.
 316         * config/cr16/constraints.md: New file.
 317         * config/cr16/t-cr16: New file.
 318
 319 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 320
 321         PR target/52086
 322         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 323         that operands[2] is either immediate, or q_regs_operand.
 324
 325         PR tree-optimization/52073
 326         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 327         a pattern stmt for pattern uses, ignore uses outside of the loop.
 328
 329 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 330
 331         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 332         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 333         (OUT_AS1, OUT_AS2): Remove.
 334
 335 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 336
 337         PR rtl-optimization/51374
 338         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 339         to cross other volatile_refs_p insns.
 340
 341 2012-02-01  Richard Guenther  <rguenther@suse.de>
 342
 343         * doc/invoke.texi (fno-inline): Clarify documentation.
 344         (finline-small-functions): Likewise.
 345         (finline-functions): Likewise.
 346         * common.opt (finline): Adjust comment and documentation.
 347         (finline-small-functions): Clarify documentation.
 348         (finline-functions): Likewise.
 349         (finline-functions-called-once): Likewise.
 350
 351 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 352
 353         * c-typeck.c (composite_type): Keep mode for pointers.
 354
 355 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 356
 357         * function.h (regno_reg_rtx): Adjust comment.
 358         * reginfo.c (init_reg_modes_target): Only use the previous mode
 359         if it fits within one register.  Remove MIPS comment.
 360
 361 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 362
 363         PR bootstrap/52058
 364         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 365
 366 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 367
 368         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 369         to srak instruction.
 370
 371 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 372
 373         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
 374         condition.
 375
 376 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 377
 378         PR bootstrap/52041
 379         PR bootstrap/52039
 380         PR target/51974
 381         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 382
 383 2012-01-31  Richard Guenther  <rguenther@suse.de>
 384
 385         PR tree-optimization/51528
 386         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 387         assigns.
 388
 389 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 390
 391         PR bootstrap/52041
 392         PR bootstrap/52039
 393         PR target/51974
 394         * ree.c (add_removable_extension): Change def_map argument
 395         to unsigned *, store in def_map 1 + offset into *insn_list vector
 396         instead of pointers into the vector.
 397         (find_removable_extensions): Adjust caller.
 398
 399 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 400
 401         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 402         Transform all "* quoted-c-code" to { c-code }.
 403         Remove redundant test for "optimize" in combine patterns.
 404         Move (include "avr-dimode.md") to end of file.
 405
 406 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 407
 408         PR target/51835
 409         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 410         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 411
 412 2012-01-30  Richard Guenther  <rguenther@suse.de>
 413
 414         PR tree-optimization/52028
 415         * tree-loop-distribution.c (ldist_gen): Properly update
 416         virtual SSA form.
 417
 418 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 419
 420         PR debug/52027
 421         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 422         set_cur_line_info_table if not emitting debug info.
 423
 424         PR tree-optimization/52046
 425         * tree-vect-patterns.c (check_bool_pattern): Give up if
 426         a comparison could throw.
 427
 428         PR debug/52048
 429         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 430
 431 2012-01-30  Richard Guenther  <rguenther@suse.de>
 432
 433         PR tree-optimization/52045
 434         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 435         SSA form if cfgcleanup did anything.
 436
 437 2012-01-30  Richard Guenther  <rguenther@suse.de>
 438
 439         PR tree-optimization/52045
 440         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 441         before computing final todo.
 442
 443 2012-01-30  Richard Guenther  <rguenther@suse.de>
 444
 445         PR tree-optimization/51528
 446         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 447         for PR51528 fix.
 448
 449 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 450
 451         * df-problems.c (df_kill_notes): Check that the use refers
 452         to the note under examination.
 453
 454 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 455
 456         PR target/51920
 457         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 458         parameter and use short-lived pseudos.
 459         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 460         (sparc_expand_vector_init): Const-ify local variables and adjust
 461         calls to above functions.
 462
 463 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 464
 465         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 466
 467 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 468
 469         * doc/invoke.texi: Make usage of "compile time" and
 470         "run time"/"runtime" consistent throughout the file.
 471
 472 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 473
 474         * config/alpha/alpha.c (alpha_option_overrride): Default to
 475         full IEEE compliance mode for Go language.
 476
 477 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 478
 479         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 480         (LINK_SSP_SPEC): Define.
 481
 482 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 483
 484         PR target/51871
 485         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 486         stubs.
 487
 488 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 489
 490         * doc/invoke.texi: Correct hyphenation of "floating point",
 491         "double precision", and related terminology throughout the file.
 492
 493 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 494
 495         PR target/52006
 496         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 497         arm_general_register_operand predicate for operand 2 instead of
 498         register_operand.
 499
 500 2012-01-27  Ian Lance Taylor  <iant@google.com>
 501
 502         PR go/47656
 503         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 504         * builtins.c (expand_builtin_init_trampoline): Add onstack
 505         parameter.  Change caller.
 506         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 507         * tree.c (build_common_builtin_nodes): Declare
 508         __builtin_init_heap_trampoline.
 509
 510 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 511
 512         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 513         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 514         * config/avr/avr.c: Ditto.
 515         (avr_regnames): Remove because unused.
 516         * config/avr/avr.md (*cpse.ne): New peephole.
 517         (*cpse.eq): New peephole from former cpse peepholes.
 518
 519 2012-01-27  Michael Eager  <eager@eagercon.com>
 520
 521         * config/microblaze.c (microblaze_emit_compare): Correct
 522         test after pcmp instruction.
 523
 524 2012-01-27  Richard Guenther  <rguenther@suse.de>
 525
 526         PR tree-optimization/52020
 527         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 528
 529 2012-01-27  Richard Guenther  <rguenther@suse.de>
 530
 531         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 532         function non-const/pure.
 533
 534 2012-01-27  Richard Guenther  <rguenther@suse.de>
 535
 536         PR tree-optimization/50444
 537         * tree-sra.c (build_ref_for_offset): Properly adjust the
 538         MEM_REF type for unaligned accesses.
 539
 540 2012-01-27  Richard Guenther  <rguenther@suse.de>
 541
 542         PR tree-optimization/50444
 543         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 544         (expand_assignment): Use it.  Properly handle misaligned
 545         bases when expanding stores to component references.
 546         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 547         refactor that case.
 548
 549 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 550
 551         PR middle-end/51389
 552         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 553         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 554         * tree-data-ref.c (find_data_references_in_loop): Make static.
 555         (compute_all_dependences): Change return type to bool.  Bail out
 556         for too many datarefs in a loop.  Move the hunk resetting the data
 557         dependences vector from ...
 558         (compute_data_dependences_for_loop): ... here.  Account for
 559         compute_all_dependences returning false.
 560         (compute_data_dependences_for_bb): Likewise.
 561         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 562         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 563
 564 2012-01-27  Richard Guenther  <rguenther@suse.de>
 565
 566         PR middle-end/51959
 567         * expr.c (store_field): Use the alias-set of the scratch memory
 568         for storing to it.
 569
 570 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 571
 572         PR tree-optimization/51990
 573         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 574         WITH_SIZE_EXPR.
 575         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 576
 577 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 578
 579         PR debug/52001
 580         * var-tracking.c (reverse_op): Don't add any reverse operation
 581         if V already has any constant locations.
 582
 583 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 584
 585         * doc/invoke.texi: Correct usage of "command line" (noun)
 586         vs "command-line" (adjective) throughout.
 587
 588 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 589
 590         * doc/invoke.texi (Language Independent Options): Move
 591         -Wcoverage-mismatch blurb from here....
 592         (Warning Options): ...to here.
 593
 594 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 595
 596         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 597         Set rs6000_always_hint to false for 476.
 598
 599 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 600
 601         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 602           system root.
 603         * incpath.c (add_standard_paths): Likewise.
 604
 605 2012-01-27  Richard Henderson  <rth@redhat.com>
 606
 607         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 608         * config/m68k/sync.md (atomic_test_and_set): Rename from
 609         sync_test_and_setqi and adjust the operands.
 610         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 611         and unconditionally enable.
 612
 613 2012-01-27  Richard Henderson  <rth@redhat.com>
 614
 615         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 616         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 617         (ldstub): Rename from ldstubqi.
 618         (ldstub<I24MODE>): Remove.
 619
 620 2012-01-27  Richard Henderson  <rth@redhat.com>
 621
 622         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 623         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 624         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 625         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 626         * doc/tm.texi: Rebuild.
 627
 628 2012-01-27  Richard Henderson  <rth@redhat.com>
 629
 630         * optabs.c (gen_atomic_test_and_set): Remove default.
 631         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 632
 633 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 634
 635         PR rtl-optimization/51978
 636         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 637         (combine_reaching_defs): Likewise.
 638         (struct re_info): Remove.
 639         (add_removable_extension): Remove x and data arguments,
 640         add insn, insn_list and def_map.  Use the arguments directly
 641         instead of using struct re_info.
 642         (find_removable_extensions): Don't call add_removable_extension
 643         through note_stores, instead just call it with single_set
 644         result if non-NULL.
 645         (find_and_remove_re): Pass curr_cand->expr instead of
 646         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 647
 648 2012-01-26  Michael Matz  <matz@suse.de>
 649
 650         PR tree-optimization/46590
 651         * cfgexpand.c: Revert last change (r183305).
 652         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 653         regs.
 654         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 655         checking for emptiness.
 656
 657 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 658
 659         PR middle-end/51895
 660         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 661         non-addressable non-BLKmode base correctly.
 662
 663 2012-01-26  Michael Matz  <matz@suse.de>
 664
 665         PR tree-optimization/48794
 666         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 667         regions referenced from RESX/EH_DISPATCH.
 668
 669 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 670
 671         * config/s390/s390.h: Make BRANCH_COST an option.
 672         * config/s390/s390.opt: New option -mbranch-cost.
 673
 674 2012-01-26  Richard Henderson  <rth@redhat.com>
 675
 676         Revert 2012-01-24 change:
 677         * trans-mem.c (requires_barrier): Do not instrument thread local
 678         variables and emit save/restore for them.
 679
 680 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 681
 682         PR middle-end/51986
 683         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 684         for pat == 0.
 685
 686 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 687
 688         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 689         ASM_OPERANDS.
 690
 691 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 692
 693         PR target/49868
 694         Rename __pgm to __flash.
 695         Rename __pgm1 to __flash1.
 696         Rename __pgm2 to __flash2.
 697         Rename __pgm3 to __flash3.
 698         Rename __pgm4 to __flash4.
 699         Rename __pgm5 to __flash5.
 700         Rename __pgmx to __memx.
 701         * doc/extend.texi (AVR Named Address Spaces)
 702         Rename address space names as indicated above.
 703         * config/avr/avr.c (avr_addrspace): Ditto.
 704
 705         * config/avr/avr-protos.h
 706         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 707         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 708         * config/avr/predicates.md: Ditto.
 709         * config/avr/avr.c Ditto, and
 710         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 711         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 712
 713         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 714         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 715         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 716         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 717         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 718         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 719         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 720         * config/avr/avr.c: Ditto.
 721         * config/avr/avr.md: Ditto.
 722
 723 2012-01-25  Jason Merrill  <jason@redhat.com>
 724
 725         PR c++/51992
 726         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 727
 728 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 729
 730         PR tree-optimization/51987
 731         * tree-data-ref.c (get_references_in_stmt): Handle references in
 732         non-volatile GIMPLE_ASM.
 733
 734 2012-01-25  Richard Guenther  <rguenther@suse.de>
 735
 736         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 737         bases are dereferenced.
 738
 739 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 740
 741         PR rtl-optimization/48374
 742         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 743
 744 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 745
 746         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 747         compute_data_dependences_for_loop returns false.
 748         * tree-parloops.c (loop_parallel_p): Likewise.
 749
 750 2012-01-25  Richard Guenther  <rguenther@suse.de>
 751
 752         * tree.h (get_pointer_alignment_1): Declare.
 753         * builtins.c (get_pointer_alignment_1): New function.
 754         (get_pointer_alignment): Use it.
 755
 756 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 757
 758         PR rtl-optimization/48308
 759         * combine.c (enum undo_kind): Add UNDO_LINKS.
 760         (struct undo): Add member l to other_contents and where.
 761         (do_SUBST_LINK): New.
 762         (SUBST_LINK): New.
 763         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 764         (undo_all): Handle UNDO_LINKS.
 765
 766 2012-01-25  Richard Henderson  <rth@redhat.com>
 767
 768         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 769         mem inputs.
 770
 771 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 772
 773         * optabs.c (gen_atomic_test_and_set): Use each argument.
 774
 775 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 776
 777         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 778         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 779         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 780         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 781         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 782         TARGET_PAIRED_SINGLE_FLOAT.
 783
 784 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 785
 786         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 787         (in_struct, return_val): Remove MEM documentation.
 788         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 789         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 790         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 791         and MEM_SCALAR.
 792         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 793         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 794         * expr.c (store_field): Likewise.
 795         * function.c (assign_stack_temp_for_type): Likewise.
 796         * ifcvt.c (noce_try_cmove_arith): Likewise.
 797         * reload1.c (reload): Likewise.
 798         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 799         (alpha_set_memflags): Likewise.
 800         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 801
 802 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 803
 804         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 805         parameter.
 806         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 807         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 808         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 809         varies parameter.
 810         * cselib.c (cselib_rtx_varies_p): Delete.
 811         (cselib_invalidate_mem): Update call to canon_true_dependence.
 812         * dse.c (record_store, check_mem_read_rtx): Likewise.
 813         (scan_reads_nospill): Likewise.
 814         * cse.c (check_dependence): Likewise.
 815         (cse_rtx_varies_p): Delete.
 816         * expr.c (safe_from_p): Update call to true_dependence.
 817         * ira.c (validate_equiv_mem_from_store): Likewise.
 818         (memref_referenced_p): Likewise.
 819         * postreload-gcse.c (find_mem_conflicts): Likewise.
 820         * sched-deps.c (sched_analyze_2): Likewise.
 821         * store-motion.c (load_kills_store): Likewise.
 822         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 823         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 824         (compute_transp): Update call to canon_true_dependence.
 825
 826 2012-01-25  Richard Henderson  <rth@redhat.com>
 827
 828         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 829         (maybe_emit_atomic_test_and_set): New.
 830         (expand_sync_lock_test_and_set): Use it.
 831         (expand_atomic_test_and_set): Likewise.
 832         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 833         the implementation; clarify implementation defined details.
 834         * doc/md.texi (atomic_test_and_set): Document.
 835
 836 2012-01-25  Richard Henderson  <rth@redhat.com>
 837
 838         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 839
 840 2012-01-25  Richard Henderson  <rth@redhat.com>
 841
 842         PR target/51968
 843         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 844         to effect no-op split.
 845
 846 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 847
 848         PR lto/51698
 849         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 850         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 851         (BT_FN_VOID_PTR_INT_SIZE): New.
 852         (BT_FN_UINT_UINT_VAR): Remove.
 853         (BT_FN_UINT32_UINT32_VAR): New.
 854         (BT_FN_DOUBLE_VPTR): Remove.
 855         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 856
 857         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 858         (_ITM_changeTransactionMode): Same.
 859         (_ITM_memmoveRtWt): Change return type to void.
 860         (_ITM_memcpyRtWt): Same.
 861         (_ITM_memsetW): Same.
 862         (_ITM_RaRD): Change types to double.
 863         (_ITM_RD): Same.
 864         (_ITM_RaWD): Same.
 865         (_ITM_RfWD): Same.
 866
 867         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 868
 869 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 870             Patrick Marlier  <patrick.marlier@gmail.com>
 871
 872         * trans-mem.c (requires_barrier): Do not instrument thread local
 873         variables and emit save/restore for them.
 874
 875 2012-01-24  Jason Merrill  <jason@redhat.com>
 876
 877         PR c++/51812
 878         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 879         output static aliases.
 880
 881 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 882
 883         PR driver/47249
 884         * common.opt (-pie, -shared, pie, shared): Change from Common to
 885         Driver.
 886         * gcc.c (display_help): Display help for -pie and -shared.
 887
 888 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 889
 890         PR target/49868
 891         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 892         Remove note on size/offset limitation.
 893         (AVR Variable Attributes): Add example how to read data located
 894         with progmem.  Refer to named address spaces.
 895         * doc/invoke.texi (AVR Options): Fix typo.
 896
 897 2012-01-24  Richard Guenther  <rguenther@suse.de>
 898
 899         Forward-port to trunk
 900         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 901
 902         PR middle-end/45678
 903         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 904         op0 isn't sufficiently aligned and there is movmisalignM
 905         insn for mode, use it to load op0 into a temporary register.
 906
 907 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 908
 909         PR target/51957
 910         * target.def (const_not_ok_for_debug_p): New hook.
 911         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 912         documentation.
 913         * doc/tm.texi: Regenerated.
 914         * dwarf2out.c (const_ok_for_output_1): If
 915         targetm.const_not_ok_for_debug_p returns true, fail.
 916         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 917         function.
 918         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 919
 920 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 921
 922         PR target/51900
 923         * config/i386/predicates.md (symbolic_operand): Allow
 924         UNSPEC_PCREL as PIC expression for lea.
 925         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 926         * config/i386/i386.c (ix86_delegitimize_address): Handle
 927         UNSPEC_PCREL for none-MEM, too.
 928
 929 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 930
 931         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 932         (ipa_tm_create_version_alias): Same.
 933
 934 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 935
 936         PR libitm/51830
 937         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 938         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 939
 940 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 941             Patrick Marlier  <patrick.marlier@gmail.com>
 942             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 943
 944         PR lto/51916
 945         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 946         simple_object_start_read.
 947
 948 2012-01-23  Richard Guenther  <rguenther@suse.de>
 949
 950
 951         PR tree-optimization/51895
 952         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 953         parameter decomposition into BLKmode components.
 954
 955 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 956
 957         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 958         fake variables for restrict-qualified pointers whose pointed-to type
 959         contains a placeholder.
 960
 961 2012-01-23  Richard Guenther  <rguenther@suse.de>
 962
 963         PR tree-optimization/51949
 964         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 965
 966 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 967
 968         PR rtl-optimization/51933
 969         * ree.c (transform_ifelse): Return true right away if dstreg is
 970         already wider or equal to cand->mode.
 971         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 972         (make_defs_and_copies_lists): Remove defs_list and copies_list
 973         arguments, add state argument, just truncate state->work_list
 974         instead of always allocating and freeing the vector.  Assert that
 975         get_defs succeeds instead of returning 2.  Changed return type to bool.
 976         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 977         have ext_src_mode, see if it has been modified already with the
 978         right kind of extension and has been extended before from the
 979         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 980         just return true.  Remember the original mode in state->modified array.
 981         (combine_reaching_defs): Add state argument.  Don't allocate and
 982         free here def_list, copied_list and vec vectors, instead just
 983         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 984         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 985         Add state variable, clear vectors in it, initialize state.modified
 986         if needed.  Free all the vectors at the end and state.modified too.
 987         Don't skip a candidate if the extension expression has been modified.
 988
 989 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 990
 991         PR target/47096
 992         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 993          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 994         (extra_options) interix.opt -> i386/interix.opt"
 995         (extra_objs):Add winnt-stubs.o
 996         * configure.ac: Add interix to target_os .comm on PE check.
 997         * configure: Regenerate.
 998         * config/interix3.h: Delete and move bits to..
 999         * config/interix.h: Delete and move bits to..
1000         * config/i386/i386-interix3.h: Delete and move bits to..
1001         * config/i386/i386-interix.h: ..here.
1002         (TARGET_CPU_DEFAULT): Remove redefinition.
1003         (TARGET_ASM_CONSTRUCTOR): Undefine.
1004         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1005         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1006         (PTRDIFF_TYPE): Define.
1007         (LONG_DOUBLE_TYPE_SIZE): Define.
1008         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1009         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1010         (TARGET_SECTION_TYPE_FLAGS): Define.
1011         (ASM_DECLARE_FUNCTION_NAME): Define.
1012         (ASM_OUTPUT_EXTERNAL): Define.
1013         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1014         (ASM_OUTPUT_ALIGNED_BSS): Define.
1015         (PCC_BITFIELD_TYPE_MATTERS): Define.
1016         (USE_CONST_SECTION): Define.
1017         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1018         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1019         (SUPPORTS_ONE_ONLY): Remove.
1020         (I386_PE_STRIP_ENCODING): Define.
1021         * config/interix.opt: Delete and move bits to..
1022         * config/i386/interix.opt: ..here. New.
1023         (mpe-aligned-commons): Add.
1024         * config/i386/t-interix: Add copyright header.
1025         (winnt-stubs.o): Add rule.
1026
1027 2012-01-22  Jason Merrill  <jason@redhat.com>
1028
1029         PR c++/51832
1030         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1031         for extra name aliases.
1032
1033 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1034
1035         PR rtl-optimization/51924
1036         * ree.c (combine_set_extension): Improve debugging message.
1037         (combine_reaching_defs): Likewise.
1038         (get_defs): Rename confusingly named variable.
1039         (find_and_remove_re): Skip a candidate if the extension expression has
1040         been modified.
1041
1042 2012-01-21  Robert Millan  <rmh@gnu.org>
1043             Gerald Pfeifer  <gerald@pfeifer.com>
1044
1045         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1046         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1047
1048 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1049
1050         PR tree-optimization/51914
1051         * tree-vect-stmts.c (vectorizable_conversion): For
1052         cvt_type && modifier == WIDEN, put temporary with cvt_type
1053         at the beginning of vec_dsts and set vec_dest to temporary
1054         with vectype_out.
1055
1056 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1057
1058         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1059
1060 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1061
1062         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1063         * config/rs6000/rs6000.c: Likewise.
1064
1065 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1066
1067         PR target/51915
1068         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1069         output_move_double on a copy of operands array.
1070
1071 2012-01-20  Cary Coutant  <ccoutant@google.com>
1072             Dodji Seketeli  <dodji@redhat.com>
1073
1074         PR debug/45682
1075         * dwarf2out.c (copy_declaration_context): Return ref to parent
1076         of declaration DIE, if necessary.
1077         (remove_child_or_replace_with_skeleton): Add new parameter; update
1078         caller.  Place skeleton DIE under parent DIE of original declaration.
1079         Move call to copy_declaration_context to here ...
1080         (break_out_comdat_types): ... from here.
1081
1082 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1083
1084         PR rtl-optimization/51856
1085         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1086         flag to reloaded.
1087
1088 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1089
1090         PR target/51819
1091         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1092         hints for neon loads and stores.
1093
1094 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1095
1096         PR target/49868
1097         PR target/50887
1098         * doc/extend.texi (Named Address Spaces): Split into subsections.
1099         (AVR Named Address Spaces): New subsection.
1100         (M32C Named Address Spaces): New subsection.
1101         (RL78 Named Address Spaces): New subsection.
1102         (SPU Named Address Spaces): New subsection.
1103         (Variable Attributes): New anchor "AVR Variable Attributes".
1104         (AVR Variable Attributes): Rewrite and avoid wording
1105         "address space" in this context.
1106         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1107         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1108         (AVR Built-in Macros): New subsubsection therein.
1109         * doc/md.texi (AVR constraints): Remove "C04", "R".
1110
1111 2012-01-20  Richard Guenther  <rguenther@suse.de>
1112
1113         PR tree-optimization/51903
1114         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1115         when removing stmts.
1116
1117 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1118
1119         PR target/50313
1120         * config/arm/arm.c (arm_load_pic_register): Use
1121         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1122         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1123         (arm_pic_static_addr): Likewise.
1124         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1125         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1126         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1127         (pic_load_addr_unified): New.
1128
1129 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1130
1131         PR target/51106
1132         * function.c (instantiate_virtual_regs_in_insn): Use
1133         delete_insn_and_edges when removing a wrong asm insn.
1134
1135 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1136
1137         PR rtl-optimization/40761
1138         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1139         Add new member loop_num.
1140         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1141         (ira_build): Remove the parameter.
1142
1143         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1144         (ira.c): Do not build CFG loops for one region allocation.  Remove
1145         argument from ira_build call.
1146
1147         * ira-build.c (init_loop_tree_node): New function.
1148         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1149         loops are not built.
1150         (more_one_region_p): Check current_loops.
1151         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1152         built.
1153         (add_loop_to_tree): Process loop equal to NULL too.
1154         (form_loop_tree): Separate the case when CFG loops are not built.
1155         Use explicitly number for the root.
1156         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1157         an assertion.
1158         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1159         instead of loop->num.
1160         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1161         (mark_all_loops_for_removal): Ditto.
1162         (remove_unnecessary_regions): Separate the case when CFG loops
1163         are not built.
1164         (ira_build): Remove the parameter.  Use explicit number of regions
1165         when CFG loops are not built.
1166
1167         * ira-color.c (print_loop_title): Separate the case for the root node.
1168         Use loop_num instead of loop->num.
1169         (move_spill_restore): Use loop_num instead of loop->num.
1170
1171         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1172         (change_loop): Ditto.
1173         (change_loop): Use loop_num instead of loop->num.
1174
1175         * ira-lives.c (process_bb_node_lives): Ditto.
1176
1177         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1178
1179         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1180
1181 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1182
1183         PR libmudflap/40778
1184         * tree-mudflap.c (mf_artificial): New function.
1185         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1186         mx_register_decls, mudflap_enqueue_decl): Use it.
1187
1188         PR target/51876
1189         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1190         numbers in the insn pattern.
1191
1192 2012-01-19  Michael Matz  <matz@suse.de>
1193
1194         PR tree-optimization/46590
1195         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1196         use it in remembering which conflicts we already created.
1197         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1198         bitmap.
1199
1200 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1201
1202         PR lto/51280
1203         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1204         (merge_and_complain): Same.
1205
1206 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1207
1208         PR bootstrap/50237
1209         * config/initfini-array.h: Guard content of the header
1210         with #ifdef HAVE_INITFINI_ARRAY.
1211         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1212         Add initfini-array.h to tm_file here.
1213         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1214         * config.gcc: Don't add initfini-array.h to tm_file here.
1215         * configure: Regenerated.
1216
1217 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1218
1219         PR rtl-optimization/51505
1220         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1221         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1222         (df_note_bb_compute): Update the call to df_kill_notes.
1223
1224 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1225
1226         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1227
1228 2012-01-18  Richard Guenther  <rguenther@suse.de>
1229
1230         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1231         of conversions to void *.
1232
1233 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1234             Richard Sandiford  <rdsandiford@googlemail.com>
1235
1236         PR middle-end/50325
1237         PR middle-end/51192
1238         * optabs.h (simplify_expand_binop): Declare.
1239         * optabs.c (simplify_expand_binop): Make global.
1240         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1241         endian targets if the source cannot be exactly covered by word
1242         mode chunks.
1243
1244 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1245
1246         PR bootstrap/51872
1247         * hard-reg-set.h (struct hard_reg_set_container): New type.
1248         * target.h (struct hard_reg_set_container): Forward declare.
1249         * target.def (set_up_by_prologue): New target hook.
1250         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1251         * doc/tm.texi: Regenerated.
1252         * function.c (thread_prologue_and_epilogue_insns): Change
1253         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1254         Call targetm.set_up_by_prologue on it.
1255         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1256         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1257
1258 2012-01-17  Nick Clifton  <nickc@redhat.com>
1259
1260         * config/rx/rx.c (rx_can_use_simple_return): New function.
1261         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1262         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1263
1264 2012-01-17  Richard Guenther  <rguenther@suse.de>
1265
1266         PR middle-end/51782
1267         * expr.c (expand_assignment): Take address-space information
1268         from the address operand of MEM_REF and TARGET_MEM_REF.
1269         (expand_expr_real_1): Likewise.
1270
1271 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1272
1273         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1274         reload dump is requested.
1275
1276 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1277
1278         PR other/51165
1279         * trans-mem.c (requires_barrier): Call may_be_aliased.
1280
1281 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1282
1283         PR tree-optimization/51877
1284         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1285         call arguments and fndecls compare equal, instead return false if they
1286         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1287         both SSA_NAMEs that are valueized the same, or they satisfy
1288         operand_equal_p.
1289
1290 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1291
1292         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1293         Solaris 11+.
1294         * configure: Regenerate.
1295
1296 2012-01-16  Jan Hubicka  <jh@suse.cz>
1297
1298         PR c/12245
1299         PR c++/14179
1300         * convert.c (convert_to_integer): Use fold_convert for
1301         converting an INTEGER_CST to integer type.
1302
1303 2012-01-16  Jason Merrill  <jason@redhat.com>
1304
1305         PR c++/14179
1306         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1307
1308 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1309
1310         PR bootstrap/51860
1311         * config/s390/s390.c (s390_chunkify_start): Don't skip
1312         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1313         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1314         If insn is followed by NOTE_INSN_VAR_LOCATION or
1315         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1316         Don't use location of note insns.
1317
1318         PR tree-optimization/51865
1319         * tree-inline.c (tree_function_versioning): Call remap_decl
1320         on DECL_RESULT whenever it has VOID_TYPE_P type.
1321
1322 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1323
1324         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1325         for calls to locally-binding MIPS16 functions if only the return
1326         type uses float regs.
1327
1328 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1329             Richard Sandiford  <rdsandiford@googlemail.com>
1330
1331         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1332         (SYMBOL_32_HIGH): Likewise.
1333         (mips_output_tls_reloc_directive): Declare.
1334         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1335         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1336         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1337         (mips_lo_relocs, mips_hi_relocs): Make extern.
1338         (mips16_stub_function): Move up file.
1339         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1340         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1341         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1342         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1343         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1344         (mips_get_tp): Add MIPS16 support.
1345         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1346         Generalize DTPREL and TPREL handling.
1347         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1348         Add MIPS16 TLS support.
1349         (mips_output_tls_reloc_directive): New function.
1350         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1351         * config/mips/predicates.md (symbolic_operand_with_high)
1352         (tls_reloc_operand): New predicates.
1353         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1354         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1355         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1356         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1357         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1358         (*tls_get_tp_mips16_call_<mode>): Likewise.
1359
1360 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1361
1362         PR rtl-optimization/51821
1363         * recog.c (peep2_find_free_register): Determine clobbered registers
1364         from insn pattern.
1365
1366 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1367
1368         PR target/50925
1369         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1370         * config/avr/avr.c: Likewise.
1371         * config/avr/avr.h: Likewise.
1372
1373 2012-01-13  Ian Lance Taylor  <iant@google.com>
1374
1375         PR c++/50012
1376         * tree.h (TYPE_QUALS): Add cast to int.
1377         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1378
1379 2012-01-13  Ian Lance Taylor  <iant@google.com>
1380
1381         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1382         comparing param_index to VEC_length result.
1383
1384 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1385
1386         * c-decl.c: Do not include tree-mudflap.h
1387         * tree-optimize.c: Likewise.
1388         * Makefile.in: Update dependencies.
1389
1390 2012-01-13  Richard Guenther  <rguenther@suse.de>
1391
1392         PR middle-end/8081
1393         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1394         variable-sized result always use RSO.
1395
1396 2012-01-12  DJ Delorie  <dj@redhat.com>
1397
1398         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1399         pointer type, not just the default pointer type.
1400
1401 2012-01-09  Richard Henderson  <rth@redhat.com>
1402             Denis Chertykov  <chertykov@gmail.com>
1403
1404         PR target/50925
1405         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1406         * config/avr/avr.c (avr_can_eliminate): Simplify.
1407         (avr_initial_elimination_offset): Likewise.
1408         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1409         (expand_epilogue): Likewise.
1410         (avr_legitimize_address): Gut.
1411         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1412         (avr_hard_regno_nregs): New.
1413         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1414         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1415         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1416         add soft frame pointer.
1417         (CALL_USED_REGISTERS): Likewise.
1418         (REG_CLASS_CONTENTS): Likewise.
1419         (REGISTER_NAMES): Likewise.
1420         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1421         (HARD_FRAME_POINTER_REGNUM): New.
1422         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1423         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1424         remove the HARD_FRAME_POINTER self-elimination.
1425
1426 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1427
1428         PR target/51756
1429         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1430         DECL_EXTERNAL when checking for initializers of progmem variables.
1431
1432 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1433
1434         PR tree-optimization/51799
1435         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1436         that the last operation is a type demotion.
1437
1438 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1439
1440         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1441         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1442
1443 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1444
1445         PR bootstrap/51796
1446         * combine.c (distribute_notes): If i3 is a noreturn call,
1447         allow old_size to be equal to args_size and make sure the
1448         noreturn call gets REG_ARGS_SIZE note.
1449         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1450         on noreturn calls even when the delta is 0.
1451
1452 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1453
1454         * gcov.c (STRING_SIZE): Remove.
1455         (generate_results): Erase annotations for source files with no
1456         coverage information.
1457         (read_line): New.
1458         (output_lines): Use it.
1459
1460 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1461
1462         * gimple.h (gimplify_body): Remove first argument.
1463         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1464         pointer set here, instead just pass DATA to walk_tree.
1465         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1466         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1467         (unvisit_body): Likewise, but with unmark_visited.
1468         (gimplify_body): Remove BODY_P argument and adjust.
1469         (gimplify_function_tree): Adjust call to gimplify_body.
1470         * omp-low.c (finalize_task_copyfn): Likewise.
1471
1472 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1473
1474         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1475         (build_function_type_skip_args): Delete.
1476         * tree.c (build_function_type_skip_args): Make static and add
1477         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1478         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1479         pass it to build_function_type_skip_args.
1480         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1481         (tree_function_versioning): Likewise.
1482         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1483         build_function_decl_skip_args.
1484         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1485         and pass it to build_function_decl_skip_args/tree_function_versioning.
1486         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1487         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1488         * trans-mem.c (ipa_tm_create_version): Likewise.
1489         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1490         * tree-inline.c (declare_return_variable): Remove always-true test.
1491         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1492         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1493         * ipa-split.c (split_function): Skip the return value for the split
1494         part if it doesn't return.
1495
1496 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1497
1498         PR tree-optimization/49642
1499         * ipa-split.c (forbidden_dominators): New variable.
1500         (check_forbidden_calls): New function.
1501         (dominated_by_forbidden): Likewise.
1502         (consider_split): Check for forbidden dominators.
1503         (execute_split_functions): Initialize and free forbidden
1504         dominators info; call check_forbidden_calls.
1505
1506 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1507
1508         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1509
1510 2012-01-11  Nick Clifton  <nickc@redhat.com>
1511
1512         * config/rx/rx.md (return): Define pattern.
1513
1514 2012-01-11  Richard Guenther  <rguenther@suse.de>
1515
1516         * doc/extend.texi (malloc attribute): Adjust according to
1517         implementation.
1518
1519 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1520             Patrick Marlier  <patrick.marlier@gmail.com>
1521
1522         PR middle-end/51516
1523         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1524         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1525         (ipa_tm_note_irrevocable): Same.
1526         (ipa_tm_scan_irr_block): Same.
1527         (ipa_tm_decrement_clone_counts): Same.
1528         (ipa_tm_scan_irr_function): Same.
1529         (ipa_tm_create_version_alias): Same.
1530         (ipa_tm_create_version): Same.
1531         (ipa_tm_transform_calls_redirect): Same.
1532         (ipa_tm_transform_calls): Same.
1533         (ipa_tm_transform_transaction): Same.
1534         (ipa_tm_execute): Same.
1535
1536 2012-01-10  Richard Guenther  <rguenther@suse.de>
1537
1538         PR middle-end/51806
1539         * opts.c (common_handle_option): Handle -Werror.
1540
1541 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1542
1543         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1544         operand number.
1545
1546 2012-01-10  Jason Merrill  <jason@redhat.com>
1547
1548         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1549         information.
1550
1551 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1552
1553         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1554         supports R_386_TLS_GD_PLT reloc.
1555         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1556         supports R_386_TLS_LDM_PLT reloc.
1557         * configure: Regenerate.
1558         * config.in: Regenerate.
1559
1560 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1561
1562         PR target/49868
1563         Extend __pgmx semantics to linearize memory.
1564         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1565         determine if code comes inline or from libgcc.
1566         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1567         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1568         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1569         (movmemx_qi, movmemx_hi): New insns.
1570         (xload_<mode>_libgcc): Rewrite to new insn condition.
1571         (xload_<mode>): Remove insns.
1572         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1573         cases that don't satisfy avr_xload_libgcc_p().
1574         (avr_addr_space_convert): Allow converting in any direction.
1575         (avr_addr_space_subset_p): Return always true.
1576         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1577         (avr_emit_movmemhi): Ditto.
1578         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1579         (avr_out_movmem): Ditto.
1580         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1581         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1582         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1583         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1584         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1585
1586 2012-01-10  Richard Guenther  <rguenther@suse.de>
1587
1588         PR tree-optimization/50913
1589         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1590         Require data-refs to be representable by Graphite with respect
1591         to any loop nest.
1592
1593 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1594
1595         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1596         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1597
1598 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1599
1600         PR rtl-optimization/51271
1601         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1602         handling annulled branch.
1603
1604 2012-01-10  Richard Henderson  <rth@redhat.com>
1605
1606         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1607         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1608         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1609         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1610         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1611         arm_expand_vec_perm_const): New.
1612         * config/arm/arm-protos.h: Update.
1613         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1614         (*neon_vswp<VDQX>): New.
1615         (neon_vcombine<VDX>): Use neon_split_vcombine.
1616         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1617         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1618         (vec_perm<VE>): New.
1619
1620 2012-01-10  Richard Henderson  <rth@redhat.com>
1621
1622         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1623         use it if reload_completed.
1624         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1625         arm_output_asm_insn, arm_process_output_memory_barrier,
1626         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1627         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1628         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1629         arm_process_output_sync_insn, arm_output_sync_insn,
1630         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1631         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1632         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1633         (emit_unlikely_jump): New.
1634         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1635         (arm_split_atomic_op): New.
1636         * config/arm/arm-protos.h: Update.
1637         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1638         (struct arm_sync_generator): Remove.
1639         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1640         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1641         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1642         (VUNSPEC_LL, VUNSPEC_SC): New.
1643         (sync_result, sync_memory, sync_required_value, sync_new_value,
1644         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1645         (attr length): Don't use arm_sync_loop_insns.
1646         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1647         (movsfcc, movdfcc): Likewise.
1648         * config/arm/constraints.md (Ua): New.
1649         * config/arm/prediates.md (mem_noofs_operand): New.
1650         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1651         (sync_clobber, sync_t2_reqd): Remove.
1652         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1653         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1654         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1655         (arm_sync_compare_and_swap<SIDI>): Remove.
1656         (arm_sync_compare_and_swap<NARROW>): Remove.
1657         (arm_sync_lock_test_and_set<SIDI>): Remove.
1658         (arm_sync_lock_test_and_set<NARROW>): Remove.
1659         (arm_sync_new_<syncop><SIDI>): Remove.
1660         (arm_sync_new_<syncop><NARROW>): Remove.
1661         (arm_sync_new_nand<SIDI>): Remove.
1662         (arm_sync_new_nand<NARROW>): Remove.
1663         (arm_sync_old_<syncop><SIDI>): Remove.
1664         (arm_sync_old_<syncop><NARROW>): Remove.
1665         (arm_sync_old_nand<SIDI>): Remove.
1666         (arm_sync_old_nand<NARROW>): Remove.
1667         (*memory_barrier): Merge arm_output_memory_barrier.
1668         (atomic_compare_and_swap<QHSD>): New.
1669         (atomic_compare_and_swap<NARROW>_1): New.
1670         (atomic_compare_and_swap<SIDI>_1): New.
1671         (atomic_exchange<QHSD>): New.
1672         (cas_cmp_operand, cas_cmp_str): New.
1673         (atomic_op_operand, atomic_op_str): New.
1674         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1675         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1676         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1677         (arm_load_exclusive<NARROW>): New.
1678         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1679         (arm_store_exclusive<QHSD>): New.
1680
1681 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1682
1683         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1684         reload patterns if -mvsx-scalar-memory.
1685
1686         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1687         generated, even -mno-vsx-scalar-double was used.
1688         (vsx_xscvdpsp_scalar): Likewise.
1689         (vsx_xscvspdp_scalar2): Likewise.
1690
1691 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1692             Andrew Pinski  <apinski@cavium.com>
1693
1694         PR debug/51471
1695         * reorg.c (fill_slots_from_thread): Don't speculate
1696         frame-related insns.
1697
1698 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1699
1700         * sched-int.h (bb_note): Move to...
1701         * basic-block.h: ...here.
1702         * haifa-sched.c (bb_note): Move to...
1703         * cfgrtl.c: ...here.
1704         * function.c (next_block_for_reg): New function.
1705         (move_insn_for_shrink_wrap): Likewise.
1706         (prepare_shrink_wrap): Rewrite to use the above.
1707
1708 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1709
1710         * gimple.c (is_gimple_non_addressable): Remove.
1711         * gimple.h: Remove is_gimple_non_addressable.
1712         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1713         is_gimple_non_addressable.
1714         * trans-mem.c (expand_assign_tm): Same.
1715
1716 2012-01-09  Richard Guenther  <rguenther@suse.de>
1717
1718         PR tree-optimization/51775
1719         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1720         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1721
1722 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1723
1724         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1725         tuning parameters.
1726         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1727
1728 2012-01-09  Richard Guenther  <rguenther@suse.de>
1729
1730         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1731
1732 2012-01-08  Jan Hubicka  <jh@suse.cz>
1733
1734         PR tree-optimize/51680
1735         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1736         on when known_vals needs to be computed; cleanup.
1737
1738 2012-01-08  Jan Hubicka  <jh@suse.cz>
1739
1740         PR tree-optimize/51694
1741         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1742
1743 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1744
1745         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1746         for -std=c++98 and -std=c++11 too.
1747
1748 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1749
1750         * cfgloop.c (cancel_loop): Add free() of bbs array.
1751
1752 2012-01-07  Jan Hubicka  <jh@suse.cz>
1753
1754         PR tree-optimization/51600
1755         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1756         that benefits small functions.
1757
1758 2012-01-07  Jan Hubicka  <jh@suse.cz>
1759
1760         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1761
1762 2012-01-07  Jan Hubicka  <jh@suse.cz>
1763
1764         PR tree-optimization/51680
1765         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1766         whose inlining reduce unit size.
1767
1768 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1769
1770         PR bootstrap/51725
1771         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1772         Add canonical node to containing_mem chain after the non-canonical
1773         one, even if there weren't any locs to propagate.
1774         (remove_useless_values): Keep only canonical values.
1775         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1776         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1777         canonicalize mem_chain elements that are not discarded.
1778
1779 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1780
1781         PR target/47333
1782         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1783         before emitting functions.
1784
1785         PR gcov-profile/50127
1786         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1787         clear_aux_for_blocks.
1788
1789 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1790
1791         PR debug/51746
1792         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1793
1794 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1795
1796         * c-decl.c (ext_block): Moved up.
1797         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1798
1799 2012-01-06  Han Shen  <shenhan@google.com>
1800
1801         Translate built-in include paths for sysroot.
1802         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1803         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1804
1805         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1806         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1807
1808         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1809         control whether sysroot should be prepended to gxx include dir.
1810
1811         * configure: Regenerate.
1812
1813 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1814
1815         PR rtl-optimization/51771
1816         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1817         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1818
1819 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1820
1821         PR tree-optimization/51315
1822         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1823         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1824
1825 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1826
1827         PR target/51681
1828         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1829         for shrp pattern.  Correctly handle and fixup shift variable.
1830         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1831
1832 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1833
1834         PR debug/51762
1835         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1836         note when !ACCUMULATE_OUTGOING_ARGS.
1837
1838 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1839
1840         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1841         condition.
1842         (extract_range_from_unary_expr_1): Avoid useless computations.
1843
1844 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1845
1846         PR rtl-optimization/51767
1847         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1848         of jump_block and add an extra edge for degenerated asm gotos.
1849
1850         PR middle-end/51768
1851         * stmt.c (check_unique_operand_names): Don't ICE during error
1852         reporting if i is from labels chain.
1853
1854         PR middle-end/44777
1855         * profile.c (branch_prob): Split bbs that have exit edge
1856         and need a fake entry edge too.
1857
1858 2012-01-05  Jan Hubicka  <jh@suse.cz>
1859
1860         PR middle-end/49710
1861         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1862         unlooping loops.
1863
1864 2012-01-05  Richard Guenther  <rguenther@suse.de>
1865
1866         PR lto/50490
1867         * tree-streamer-out.c (write_ts_optimization): New function.
1868         (streamer_write_tree_body): Call it.
1869         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1870         (streamer_read_tree_body): Call it.
1871         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1872
1873 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1874
1875         PR middle-end/51761
1876         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1877         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1878         in_cleanup_point_expr before gimplify_stmt call and restore it
1879         afterwards.
1880         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1881         in_cleanup_point_expr is false.
1882
1883 2012-01-05  Richard Guenther  <rguenther@suse.de>
1884
1885         PR middle-end/51764
1886         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1887         to c.opt.
1888         * toplev.c (process_options): Reject combining mudflap and LTO.
1889         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1890
1891 2012-01-05  Richard Guenther  <rguenther@suse.de>
1892
1893         PR tree-optimization/51760
1894         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1895         not VARYING.
1896         (bit_value_unop): Handle UNDEFINED operands.
1897         (bit_value_binop): Likewise.
1898
1899 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1900
1901         * config/avr/avr.c (avr_replace_prefix): Remove.
1902         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1903         (avr_asm_function_rodata_section): Ditto.
1904         (avr_asm_select_section): Ditto.
1905
1906 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1907
1908         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1909         insertion.
1910
1911 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1912
1913         PR bootstrap/51648
1914         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1915         calls that have any non-fake successor edges.
1916
1917         PR debug/51746
1918         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1919
1920 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1921
1922         PR tree-optimization/51624
1923         * tree-sra.c (build_ref_for_model): When replicating a chain of
1924         COMPONENT_REFs, stop as soon as the offset would become negative.
1925
1926 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1927
1928         PR debug/51695
1929         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1930         in .debug_loc on the floor.
1931
1932 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1933
1934         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1935
1936 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1937             Adam Nemet  <anemet@caviumnetworks.com>
1938
1939         * config/mips/mips.md (size): Add SI and DI.
1940         (SIZE): New mode attribute.
1941         (U): New code attribute.
1942         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1943         (mips_lbux_<mode>): Delete.
1944         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1945         (mips_lhx): Use gen_mips_lhx_extsi.
1946         (mips_lhx_<mode>): Delete.
1947         (mips_lwx): Delete.
1948         (mips_l<size>x): New expand.
1949         (mips_lwx_<mode>): Delete.
1950         (mips_l<GPR:size>x_<P:mode>): New pattern.
1951         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1952         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1953         * config/mips/mips.c (mips_lx_address_p): New function.
1954         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1955         (dsp64): New availability predicate.
1956         (mips_builtins): Add an entry for __builtin_mips_ldx.
1957         * config/mips/mips.h (ISA_HAS_LBX): New define.
1958         (ISA_HAS_LBUX): Likewise.
1959         (ISA_HAS_LHX): Likewise.
1960         (ISA_HAS_LHUX): Likewise.
1961         (ISA_HAS_LWX): Likewise.
1962         (ISA_HAS_LWUX): Likewise.
1963         (ISA_HAS_LDX): Likewise.
1964         * doc/extend.texi (__builtin_mips_ldx): Document.
1965
1966 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1967
1968         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1969         when long pointers are used.
1970         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1971         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1972         (ia64-hp-*vms*): Remove.
1973         * config/vms/xm-vms64.h: Delete.
1974
1975 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1976
1977         PR middle-end/51472
1978         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1979
1980 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1981
1982         * opts.c (finish_options): Remove duplicate sorry.
1983
1984 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1985
1986         PR middle-end/51696
1987         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1988         correctly.
1989
1990 2012-01-04  Richard Guenther  <rguenther@suse.de>
1991
1992         PR middle-end/51750
1993         * tree.c (size_low_cst): New function.
1994         * tree.h (size_low_cst): Declare.
1995         * fold-const.c (fold_comparison): Use it to extract the low
1996         part of the POINTER_PLUS_EXPR offset.
1997
1998 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1999
2000         Fix clearing ZERO_REG
2001         * config/avr/avr.md (cc): Add alternative "ldi".
2002         (movqi_insn): Use it in cc attribute.
2003         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2004         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2005         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2006
2007 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2008
2009         * configure: Regenerate.
2010
2011 2012-01-04  Richard Guenther  <rguenther@suse.de>
2012
2013         PR tree-optimization/49651
2014         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2015         (var_can_have_subvars): Use it.
2016         (get_constraint_for_1): Only consider subfields if there can be any.
2017
2018 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2019
2020         PR bootstrap/51725
2021         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2022         to its new canonical_cselib_val and the cselib_val was in
2023         first_containing_mem chain, but the canonical_cselib_val was not,
2024         add the latter into the chain.
2025         (cselib_invalidate_mem): Compare canonical_cselib_val of
2026         addr_list chain elt with v.
2027
2028         PR pch/51722
2029         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2030         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2031         of xstrdup.
2032         (output_macinfo_op): Don't ggc_strdup fd->filename.
2033         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2034         then ggc_strdup it.  Don't free inc->info or cur->info.
2035         (output_macinfo): Don't free ref->info or file->info.
2036
2037 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2038
2039         PR tree-optimization/51269
2040         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2041         first_niters a pointer.
2042         (slpeel_tree_peel_loop_to_edge): Likewise.
2043         (vect_do_peeling_for_loop_bound): Update call to
2044         slpeel_tree_peel_loop_to_edge.
2045         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2046         here.  Remove it from the parameters list.
2047         (vect_do_peeling_for_alignment): Update calls and compute
2048         wide_prolog_niters.
2049
2050 2012-01-03  Richard Guenther  <rguenther@suse.de>
2051
2052         PR tree-optimization/51070
2053         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2054         Properly handle calls.
2055
2056 2012-01-03  Richard Guenther  <rguenther@suse.de>
2057
2058         PR tree-optimization/51692
2059         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2060         the LHS of allocation stmts.
2061
2062 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2063
2064         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2065
2066 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2067
2068         * collect2.c (main): In AIX specific computations for vector
2069         insertions, use CONST_CAST2 to cast from char ** to const char **.
2070
2071 2012-01-03  Richard Guenther  <rguenther@suse.de>
2072
2073         PR debug/51650
2074         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2075         the context of a limbo DIE when it does not already exist.
2076
2077 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2078
2079         PR tree-optimization/51719
2080         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2081         but direct call is, clear direct call's lhs and don't add fallthrough
2082         edge from dcall_bb to join_bb and PHIs.
2083
2084 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2085
2086         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2087         the instructions emitted by the pattern.
2088         ("*TDC_insn_<mode>"): Add comment.
2089
2090 2012-01-03  Richard Guenther  <rguenther@suse.de>
2091
2092         PR middle-end/51730
2093         * fold-const.c (fold_comparison): Properly canonicalize
2094         tree offset and HOST_WIDE_INT bit position.
2095
2096 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2097
2098         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2099         operands for extzv pattern.
2100
2101 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR bootstrap/51725
2104         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2105         on mem_elt first.
2106
2107 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2108
2109         * doc/invoke.texi (-flto and related options): Copy-edit.
2110
2111 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2112
2113         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2114
2115 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2116
2117         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2118         New patterns.
2119
2120 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2121
2122         * expr.h (move_by_pieces_ninsns): Declare.
2123         * expr.c (move_by_pieces_ninsns): Make external.
2124         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2125         (mips_store_by_pieces_p): Likewise.
2126         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2127         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2128         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2129         (mips_store_by_pieces_p): Likewise.
2130
2131 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2132
2133         * passes.c (register_one_dump_file): Free full_name.
2134
2135         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2136         (calculate_elim_costs_all_insns): Free offsets_at and
2137         offsets_known_at at the end and clear the pointers.
2138
2139 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2140
2141         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2142         this option introduced in r180739.
2143
2144 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2145
2146         PR target/51345
2147         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2148         (tmake_file target=avr): Add avr/t-multilib.
2149
2150         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2151         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2152         * config/avr/genmultilib.awk: New file.
2153         * config/avr/t-multilib: New auto-generated file.
2154         * config/avr/multilib.h: New auto-generated file.
2155         * config/avr/t-avr (AVR_MCUS): New variable.
2156         (genopt.sh): Use it.
2157         (s-mlib): Depend on t-multilib.
2158         (t-multilib, multilib.h): New dependencies.
2159         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2160         (MULTILIB_OPTIONS): Remove.
2161         (MULTILIB_MATCHES): Remove.
2162         (MULTILIB_DIRNAMES): Remove.
2163         (MULTILIB_EXCEPTIONS): Remove:
2164         * config/avr/genopt.sh: Don't use hard coded file name;
2165         pass AVR_MCUS from t-avr instead.
2166
2167 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2168
2169         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2170
2171 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2172
2173         Implement light-weight DImode support.
2174         * config/avr/avr-dimode.md: New file.
2175         * config/avr/avr.md: Include it.
2176         (adjust_len): Add plus64, compare64.
2177         (HIDI): Remove code iterator.
2178         (code_stdname): New code attribute.
2179         (rotx, rotsmode): Remove DI.
2180         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2181         as code iterator.
2182         * config/avr/avr-protos.h (avr_have_dimode): New.
2183         (avr_out_plus64, avr_out_compare64): New.
2184         * config/avr/avr.c (avr_out_compare): Handle DImode.
2185         (avr_have_dimode): New variable definition and initialization.
2186         (avr_out_compare64, avr_out_plus64): New functions.
2187         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2188         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2189         (avr_compare_pattern): Skip DImode comparisons.
2190
2191 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2192
2193         * ddg.c (def_has_ccmode_p): New function.
2194         (add_cross_iteration_register_deps,
2195         create_ddg_dep_from_intra_loop_link): Call it.
2196
2197 2012-01-02  Richard Guenther  <rguenther@suse.de>
2198
2199         PR other/51679
2200         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2201
2202 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2203
2204         * gcc.c (process_command): Update copyright notice dates.
2205         * gcov.c (print_version): Likewise.
2206         * gcov-dump.c (print_version): Likewise.
2207         * mips-tfile.c (main): Likewise.
2208         * mips-tdump.c (main): Likewise.
2209
2210 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2211
2212         PR tree-optimization/51704
2213         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2214         a use is inside the basic block or loop before accessing its vect info.
2215
2216 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2217
2218         PR rtl-optimization/51069
2219         * cfgloopmanip.c (remove_path): Removing path making irreducible
2220         region unconditional makes BB part of the region.
2221
2222 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2223
2224         PR tree-optimization/51683
2225         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2226         calls with side-effects.
2227         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2228 \f
2229 Copyright (C) 2012 Free Software Foundation, Inc.
2230
2231 Copying and distribution of this file, with or without modification,
2232 are permitted in any medium without royalty provided the copyright
2233 notice and this notice are preserved.