gcc/ChangeLog

   1 2012-01-29  Robert Millan  <rmh@gnu.org>
   2             Gerald Pfeifer <gerald@pfeifer.com>
   3
   4         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
   5         Tweak comment.
   6
   7 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
   8
   9         PR rtl-optimization/52175
  10         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
  11         to frame-related instructions.
  12
  13 2012-02-10  Jason Merrill  <jason@redhat.com>
  14
  15         PR c++/51910
  16         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
  17         (demangle_new_symbols): Fill it.
  18         (scan_linker_output): Walk it.
  19         (start_tweaking): Split out from scan_linker_output.
  20         (maybe_tweak): Update sym->chosen.
  21         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
  22
  23 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
  24
  25         PR debug/52132
  26         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
  27         get_true_reg.
  28
  29 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
  30
  31         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
  32         having the same mode as previous compare.
  33
  34 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
  35
  36         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
  37         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
  38         (nonlocal_goto_internal): Likewise.
  39         (nonlocal_goto): Emit a use and an indirect jump directly.
  40
  41 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
  42
  43         PR c/52190
  44         * doc/extend.texi : Update comments for __atomic_compare_exchange and
  45         __atomic_{is,always}_lock_free.
  46
  47 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
  48
  49         PR target/52146
  50         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
  51         negative constant address for x32.
  52
  53 2012-02-10  Richard Henderson  <rth@redhat.com>
  54
  55         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
  56         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
  57         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
  58
  59 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  60             Ira Rosen  <irar@il.ibm.com>
  61
  62         PR tree-optimization/50031
  63         * targhooks.c (default_builtin_vectorization_cost): Handle
  64         vec_promote_demote.
  65         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
  66         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
  67         all types of reduction and pattern statements.
  68         (vect_estimate_min_profitable_iters): Likewise.
  69         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
  70         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
  71         for explicit realigns.
  72         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
  73         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
  74         vec_promote_demote.
  75         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
  76         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
  77         vec_perm for VSX and handle vec_promote_demote.
  78
  79 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
  80
  81         PR middle-end/52177
  82         * builtins.c (fold_builtin_atomic_always_lock_free,
  83         expand_builtin_atomic_always_lock_free,
  84         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
  85         Return and/or test boolean_true_node/boolean_false_node instead of
  86         integer_one_node/integer_zero_node.
  87
  88 2012-02-10  Jan Hubicka  <jh@suse.cz>
  89
  90         PR middle-end/48600
  91         * predict.c (predict_paths_for_bb): Prevent looping.
  92         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
  93
  94 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
  95
  96         * config/arm/arm.c (output_move_double): In one case properly
  97         count number of instructions that will be emitted.
  98
  99 2012-02-10  Richard Guenther  <rguenther@suse.de>
 100
 101         PR translation/52193
 102         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
 103
 104 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
 105
 106         PR middle-end/52140
 107         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
 108
 109 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
 110
 111         PR debug/52165
 112         * var-tracking.c (emit_note_insn_var_location): If
 113         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
 114         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
 115         non-NOTE_DURING_CALL_P insn.
 116
 117 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
 118
 119         PR middle-end/51867
 120         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
 121
 122 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
 123
 124         PR driver/48524
 125         * gcc.c (switch_matches) Support switches with separated form,
 126         -D and -U.
 127
 128 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
 129
 130         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
 131         (SP_ADDR): Ditto.
 132         (RAMPZ_ADDR): Ditto.
 133         * config/avr/avr.c (avr_addr_t): New typedef.
 134         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
 135         (avr_init_expanders): Initialize it.
 136         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
 137         SREG_ADDR.
 138         (expand_epilogue): Ditto.
 139         (avr_print_operand): Ditto.
 140         (avr_file_start): Ditto.
 141         (avr_emit_movmemhi): Ditto.
 142
 143 2012-02-08  Richard Guenther  <rguenther@suse.de>
 144
 145         PR tree-optimization/46886
 146         * tree-flow.h (do_while_loop_p): Declare.
 147         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
 148         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
 149
 150 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
 151
 152         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
 153         always succeed for integers larger than a native word.
 154
 155 2012-02-08  Richard Guenther  <rguenther@suse.de>
 156
 157         PR rtl-optimization/52170
 158         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
 159         properly handle integer vector modes.
 160
 161 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
 162
 163         PR gcov-profile/52150
 164         * coverage.c: Include target.h.
 165         (build_var): Call targetm.strip_name_encoding on the assembler name.
 166         Change one _ into . or $ if the target allows it.
 167         * Makefile.in (coverage.o): Depend on $(TARGET_H).
 168
 169         PR rtl-optimization/52139
 170         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
 171         is a BARRIER after emit_insn_after_noloc, move BB_END
 172         to the last non-BARRIER insn before it.
 173
 174 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
 175
 176         PR middle-end/24306
 177         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
 178         (mips_gimplify_va_arg_expr): Call it instead of
 179         std_gimplify_va_arg_expr.
 180
 181 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 182
 183         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
 184         message for -mno-pointers-to-nested-function.
 185
 186 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
 187
 188         PR middle-end/51994
 189         * expr.c (get_inner_reference): If there is an offset, add a negative
 190         bit position to it (if any).
 191
 192 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 193
 194         PR rtl-optimization/52060
 195         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
 196         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
 197         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
 198         and/or i0src_copy2 when needed.
 199
 200 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 201
 202         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
 203         or LTOPLUGINSONAME if have_c.
 204
 205         * config/freebsd-spec.h: Add comment about what macros can be defined
 206         in this header.
 207         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
 208         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
 209         here instead.
 210
 211 2012-02-07  Richard Guenther  <rguenther@suse.de>
 212
 213         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
 214         newline in -alias dumps.
 215
 216 2012-02-07  Kai Tietz  <ktietz@redhat.com>
 217             Dave Korn  <dave.korn.cygwin@gmail.com>
 218
 219         PR target/40068
 220         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
 221         Take care that typinfo gets dllexport-attribute.
 222
 223 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 224
 225         PR middle-end/52074
 226         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
 227         if modifier < EXPAND_SUM call force_operand on the result.
 228
 229 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
 230
 231         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
 232         adding __forwarder_dst__ prefix if a forwarder_section attribute is
 233         present.
 234         (epiphany_function_type): Replace types for specific interrupts with
 235         EPIPHANY_FUNCTION_INTERRUPT.
 236         (EPIPHANY_INTERRUPT_P): Update.
 237         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
 238         New static function.
 239         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
 240         <disinterrupt>: Affects type identity.
 241         (epiphany_handle_interrupt_attribute): Handle variable number of
 242         arguments.
 243         (epiphany_compute_function_type): Update for new
 244         epiphany_function_type definition.
 245         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
 246         handlers with a longcall forwarder.
 247         (epiphany_start_function): Handle multiple interrupt arguments and/or
 248         forwarder_section attribute.
 249
 250         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
 251         libgloss.
 252
 253 2012-02-07  Alan Modra  <amodra@gmail.com>
 254
 255         PR target/52107
 256         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
 257         subregs of TFmode.
 258
 259 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 260
 261         PR tree-optimization/50969
 262         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
 263         use vec_perm rather than vector_stmt.
 264         (vect_model_load_cost): Likewise.
 265         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
 266         vec_perm to be the same as other vector statements.
 267         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
 268         cost of vec_perm for TARGET_VSX.
 269
 270 2012-02-06  Richard Guenther  <rguenther@suse.de>
 271
 272         PR tree-optimization/52115
 273         * tree-sra.c (access_has_replacements_p): New function.
 274         (sra_modify_assign): Use it to decide whether a use is uninitialized.
 275
 276 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
 277
 278         PR middle-end/52047
 279         * trans-mem.c (expand_call_tm): Add an assertion.
 280         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
 281         functions.
 282
 283 2012-02-06  Richard Guenther  <rguenther@suse.de>
 284
 285         PR tree-optimization/50955
 286         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
 287         raise cost of expressions that replace an address with an
 288         expression based on a different pointer.
 289
 290 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
 291
 292         PR target/52129
 293         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
 294         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
 295
 296 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
 297
 298         PR c++/48680
 299         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
 300         -Weffc++ and specify guidelines come from second edition.
 301
 302 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 303
 304         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
 305         (sibcall_value_multiple_internal, call_split, call_internal_direct)
 306         (call_direct_split, call_value_split, call_value_internal_direct)
 307         (call_value_direct_split, call_value_multiple_split): Use jal and
 308         jal_macro attributes.
 309
 310 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 311
 312         * reload1.c (reload_regs_reach_end_p): Replace with...
 313         (reload_reg_rtx_reaches_end_p): ...this function.
 314         (new_spill_reg_store): Update commentary.
 315         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
 316         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
 317         before setting new_spill_reg_store.
 318         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
 319         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
 320         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
 321         for non-spill reload registers.
 322
 323 2012-02-05  Ira Rosen  <irar@il.ibm.com>
 324
 325         PR tree-optimization/52091
 326         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
 327         (vect_is_simple_use_1): Likewise.
 328         * tree-vect-loop.c (vectorizable_reduction): Update calls
 329         to vect_is_simple_use_1 and vect_is_simple_use.
 330         (vectorizable_live_operation): Likewise.
 331         * tree-vect-patterns.c (widened_name_p,
 332         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
 333         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
 334         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
 335         vectorizable_shift,vectorizable_operation, vectorizable_store,
 336         vectorizable_load): Likewise.
 337         (vect_is_simple_cond): Add an argument, pass it to
 338         vect_is_simple_use_1.
 339         (vectorizable_condition): Update calls to vect_is_simple_cond,
 340         vect_is_simple_use.
 341         (vect_is_simple_use): Add an argument, the statement in which
 342         OPERAND is used.  Check that if OPERAND's def stmt is a double
 343         reduction phi node, the use is a phi node too.
 344         (vect_is_simple_use_1): Add an argument, pass it to
 345         vect_is_simple_use.
 346         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
 347         to vect_is_simple_use.
 348
 349 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
 350
 351         PR rtl-optimization/52095
 352         * modulo-sched.c (dump_insn_locator): New function.
 353         (loop_canon_p, sms_schedule): Use it.
 354
 355         PR rtl-optimization/52113
 356         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 357         even for decomposable shift/zext insns.
 358
 359 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 360             Zdenek Dvorak  <ook@ucw.cz>
 361
 362         PR rtl-optimization/52092
 363         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 364         on get_iv_value result.
 365
 366 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 367
 368         PR middle-end/47982
 369         PR middle-end/43967
 370         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 371
 372 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 373
 374         PR middle-end/48071
 375         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 376
 377 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 378
 379         PR rtl-optimization/49800
 380         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 381         (sched_finish): Call regstat_free_n_sets_and_refs.
 382
 383 2012-02-02  Jia Liu  <proljc@gmail.com>
 384
 385         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 386         than operand 2.
 387
 388 2012-02-02 Jan Hubicka  <jh@suse.cz>
 389            Tom de Vries  <tom@codesourcery.com>
 390
 391         PR middle-end/51998
 392         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 393         * varpool.c (varpool_analyze_pending_decls): Likewise.
 394
 395 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 396             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 397
 398         * config.gcc: Add cr16-* support.
 399
 400         * doc/extend.texi: Document cr16 extensions.
 401         * doc/install.texi: Document cr16 install.
 402         * doc/invoke.texi: Document cr16 options.
 403         * doc/md.texi: Document cr16 constraints.
 404
 405         * common/config/cr16/cr16-common.c: New file.
 406         * config/cr16/cr16.c: New file.
 407         * config/cr16/cr16.h: New file.
 408         * config/cr16/cr16.md: New file.
 409         * config/cr16/cr16.opt: New file.
 410         * config/cr16/cr16-protos.h: New file.
 411         * config/cr16/predicates.md: New file.
 412         * config/cr16/constraints.md: New file.
 413         * config/cr16/t-cr16: New file.
 414
 415 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 416
 417         PR target/52086
 418         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 419         that operands[2] is either immediate, or q_regs_operand.
 420
 421         PR tree-optimization/52073
 422         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 423         a pattern stmt for pattern uses, ignore uses outside of the loop.
 424
 425 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 426
 427         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 428         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 429         (OUT_AS1, OUT_AS2): Remove.
 430
 431 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 432
 433         PR rtl-optimization/51374
 434         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 435         to cross other volatile_refs_p insns.
 436
 437 2012-02-01  Richard Guenther  <rguenther@suse.de>
 438
 439         * doc/invoke.texi (fno-inline): Clarify documentation.
 440         (finline-small-functions): Likewise.
 441         (finline-functions): Likewise.
 442         * common.opt (finline): Adjust comment and documentation.
 443         (finline-small-functions): Clarify documentation.
 444         (finline-functions): Likewise.
 445         (finline-functions-called-once): Likewise.
 446
 447 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 448
 449         * c-typeck.c (composite_type): Keep mode for pointers.
 450
 451 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 452
 453         * function.h (regno_reg_rtx): Adjust comment.
 454         * reginfo.c (init_reg_modes_target): Only use the previous mode
 455         if it fits within one register.  Remove MIPS comment.
 456
 457 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 458
 459         PR bootstrap/52058
 460         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 461
 462 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 463
 464         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 465         to srak instruction.
 466
 467 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 468
 469         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
 470
 471 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 472
 473         PR bootstrap/52041
 474         PR bootstrap/52039
 475         PR target/51974
 476         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
 477
 478 2012-01-31  Richard Guenther  <rguenther@suse.de>
 479
 480         PR tree-optimization/51528
 481         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
 482         assigns.
 483
 484 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 485
 486         PR bootstrap/52041
 487         PR bootstrap/52039
 488         PR target/51974
 489         * ree.c (add_removable_extension): Change def_map argument
 490         to unsigned *, store in def_map 1 + offset into *insn_list vector
 491         instead of pointers into the vector.
 492         (find_removable_extensions): Adjust caller.
 493
 494 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 495
 496         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
 497         Transform all "* quoted-c-code" to { c-code }.
 498         Remove redundant test for "optimize" in combine patterns.
 499         Move (include "avr-dimode.md") to end of file.
 500
 501 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
 502
 503         PR target/51835
 504         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
 505         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
 506
 507 2012-01-30  Richard Guenther  <rguenther@suse.de>
 508
 509         PR tree-optimization/52028
 510         * tree-loop-distribution.c (ldist_gen): Properly update
 511         virtual SSA form.
 512
 513 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
 514
 515         PR debug/52027
 516         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
 517         set_cur_line_info_table if not emitting debug info.
 518
 519         PR tree-optimization/52046
 520         * tree-vect-patterns.c (check_bool_pattern): Give up if
 521         a comparison could throw.
 522
 523         PR debug/52048
 524         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
 525
 526 2012-01-30  Richard Guenther  <rguenther@suse.de>
 527
 528         PR tree-optimization/52045
 529         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
 530         SSA form if cfgcleanup did anything.
 531
 532 2012-01-30  Richard Guenther  <rguenther@suse.de>
 533
 534         PR tree-optimization/52045
 535         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
 536         before computing final todo.
 537
 538 2012-01-30  Richard Guenther  <rguenther@suse.de>
 539
 540         PR tree-optimization/51528
 541         * tree-sra.c (sra_modify_assign): Re-factor in preparation
 542         for PR51528 fix.
 543
 544 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
 545
 546         * df-problems.c (df_kill_notes): Check that the use refers
 547         to the note under examination.
 548
 549 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 550
 551         PR target/51920
 552         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 553         parameter and use short-lived pseudos.
 554         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 555         (sparc_expand_vector_init): Const-ify local variables and adjust
 556         calls to above functions.
 557
 558 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 559
 560         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 561
 562 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 563
 564         * doc/invoke.texi: Make usage of "compile time" and
 565         "run time"/"runtime" consistent throughout the file.
 566
 567 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 568
 569         * config/alpha/alpha.c (alpha_option_override): Default to
 570         full IEEE compliance mode for Go language.
 571
 572 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 573
 574         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 575         (LINK_SSP_SPEC): Define.
 576
 577 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 578
 579         PR target/51871
 580         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 581         stubs.
 582
 583 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 584
 585         * doc/invoke.texi: Correct hyphenation of "floating point",
 586         "double precision", and related terminology throughout the file.
 587
 588 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 589
 590         PR target/52006
 591         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 592         arm_general_register_operand predicate for operand 2 instead of
 593         register_operand.
 594
 595 2012-01-27  Ian Lance Taylor  <iant@google.com>
 596
 597         PR go/47656
 598         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 599         * builtins.c (expand_builtin_init_trampoline): Add onstack
 600         parameter.  Change caller.
 601         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 602         * tree.c (build_common_builtin_nodes): Declare
 603         __builtin_init_heap_trampoline.
 604
 605 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 606
 607         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 608         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 609         * config/avr/avr.c: Ditto.
 610         (avr_regnames): Remove because unused.
 611         * config/avr/avr.md (*cpse.ne): New peephole.
 612         (*cpse.eq): New peephole from former cpse peepholes.
 613
 614 2012-01-27  Michael Eager  <eager@eagercon.com>
 615
 616         * config/microblaze.c (microblaze_emit_compare): Correct
 617         test after pcmp instruction.
 618
 619 2012-01-27  Richard Guenther  <rguenther@suse.de>
 620
 621         PR tree-optimization/52020
 622         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 623
 624 2012-01-27  Richard Guenther  <rguenther@suse.de>
 625
 626         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 627         function non-const/pure.
 628
 629 2012-01-27  Richard Guenther  <rguenther@suse.de>
 630
 631         PR tree-optimization/50444
 632         * tree-sra.c (build_ref_for_offset): Properly adjust the
 633         MEM_REF type for unaligned accesses.
 634
 635 2012-01-27  Richard Guenther  <rguenther@suse.de>
 636
 637         PR tree-optimization/50444
 638         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 639         (expand_assignment): Use it.  Properly handle misaligned
 640         bases when expanding stores to component references.
 641         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 642         refactor that case.
 643
 644 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 645
 646         PR middle-end/51389
 647         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 648         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 649         * tree-data-ref.c (find_data_references_in_loop): Make static.
 650         (compute_all_dependences): Change return type to bool.  Bail out
 651         for too many datarefs in a loop.  Move the hunk resetting the data
 652         dependences vector from ...
 653         (compute_data_dependences_for_loop): ... here.  Account for
 654         compute_all_dependences returning false.
 655         (compute_data_dependences_for_bb): Likewise.
 656         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 657         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 658
 659 2012-01-27  Richard Guenther  <rguenther@suse.de>
 660
 661         PR middle-end/51959
 662         * expr.c (store_field): Use the alias-set of the scratch memory
 663         for storing to it.
 664
 665 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 666
 667         PR tree-optimization/51990
 668         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 669         WITH_SIZE_EXPR.
 670         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 671
 672 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 673
 674         PR debug/52001
 675         * var-tracking.c (reverse_op): Don't add any reverse operation
 676         if V already has any constant locations.
 677
 678 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 679
 680         * doc/invoke.texi: Correct usage of "command line" (noun)
 681         vs "command-line" (adjective) throughout.
 682
 683 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 684
 685         * doc/invoke.texi (Language Independent Options): Move
 686         -Wcoverage-mismatch blurb from here....
 687         (Warning Options): ...to here.
 688
 689 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 690
 691         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 692         Set rs6000_always_hint to false for 476.
 693
 694 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 695
 696         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 697           system root.
 698         * incpath.c (add_standard_paths): Likewise.
 699
 700 2012-01-27  Richard Henderson  <rth@redhat.com>
 701
 702         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 703         * config/m68k/sync.md (atomic_test_and_set): Rename from
 704         sync_test_and_setqi and adjust the operands.
 705         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 706         and unconditionally enable.
 707
 708 2012-01-27  Richard Henderson  <rth@redhat.com>
 709
 710         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 711         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 712         (ldstub): Rename from ldstubqi.
 713         (ldstub<I24MODE>): Remove.
 714
 715 2012-01-27  Richard Henderson  <rth@redhat.com>
 716
 717         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 718         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 719         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 720         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 721         * doc/tm.texi: Rebuild.
 722
 723 2012-01-27  Richard Henderson  <rth@redhat.com>
 724
 725         * optabs.c (gen_atomic_test_and_set): Remove default.
 726         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 727
 728 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 729
 730         PR rtl-optimization/51978
 731         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 732         (combine_reaching_defs): Likewise.
 733         (struct re_info): Remove.
 734         (add_removable_extension): Remove x and data arguments,
 735         add insn, insn_list and def_map.  Use the arguments directly
 736         instead of using struct re_info.
 737         (find_removable_extensions): Don't call add_removable_extension
 738         through note_stores, instead just call it with single_set
 739         result if non-NULL.
 740         (find_and_remove_re): Pass curr_cand->expr instead of
 741         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 742
 743 2012-01-26  Michael Matz  <matz@suse.de>
 744
 745         PR tree-optimization/46590
 746         * cfgexpand.c: Revert last change (r183305).
 747         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 748         regs.
 749         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 750         checking for emptiness.
 751
 752 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 753
 754         PR middle-end/51895
 755         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 756         non-addressable non-BLKmode base correctly.
 757
 758 2012-01-26  Michael Matz  <matz@suse.de>
 759
 760         PR tree-optimization/48794
 761         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 762         regions referenced from RESX/EH_DISPATCH.
 763
 764 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 765
 766         * config/s390/s390.h: Make BRANCH_COST an option.
 767         * config/s390/s390.opt: New option -mbranch-cost.
 768
 769 2012-01-26  Richard Henderson  <rth@redhat.com>
 770
 771         Revert 2012-01-24 change:
 772         * trans-mem.c (requires_barrier): Do not instrument thread local
 773         variables and emit save/restore for them.
 774
 775 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 776
 777         PR middle-end/51986
 778         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 779         for pat == 0.
 780
 781 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 782
 783         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 784         ASM_OPERANDS.
 785
 786 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 787
 788         PR target/49868
 789         Rename __pgm to __flash.
 790         Rename __pgm1 to __flash1.
 791         Rename __pgm2 to __flash2.
 792         Rename __pgm3 to __flash3.
 793         Rename __pgm4 to __flash4.
 794         Rename __pgm5 to __flash5.
 795         Rename __pgmx to __memx.
 796         * doc/extend.texi (AVR Named Address Spaces)
 797         Rename address space names as indicated above.
 798         * config/avr/avr.c (avr_addrspace): Ditto.
 799
 800         * config/avr/avr-protos.h
 801         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 802         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 803         * config/avr/predicates.md: Ditto.
 804         * config/avr/avr.c Ditto, and
 805         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 806         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 807
 808         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 809         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 810         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 811         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 812         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 813         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 814         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 815         * config/avr/avr.c: Ditto.
 816         * config/avr/avr.md: Ditto.
 817
 818 2012-01-25  Jason Merrill  <jason@redhat.com>
 819
 820         PR c++/51992
 821         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 822
 823 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 824
 825         PR tree-optimization/51987
 826         * tree-data-ref.c (get_references_in_stmt): Handle references in
 827         non-volatile GIMPLE_ASM.
 828
 829 2012-01-25  Richard Guenther  <rguenther@suse.de>
 830
 831         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 832         bases are dereferenced.
 833
 834 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 835
 836         PR rtl-optimization/48374
 837         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 838
 839 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 840
 841         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 842         compute_data_dependences_for_loop returns false.
 843         * tree-parloops.c (loop_parallel_p): Likewise.
 844
 845 2012-01-25  Richard Guenther  <rguenther@suse.de>
 846
 847         * tree.h (get_pointer_alignment_1): Declare.
 848         * builtins.c (get_pointer_alignment_1): New function.
 849         (get_pointer_alignment): Use it.
 850
 851 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 852
 853         PR rtl-optimization/48308
 854         * combine.c (enum undo_kind): Add UNDO_LINKS.
 855         (struct undo): Add member l to other_contents and where.
 856         (do_SUBST_LINK): New.
 857         (SUBST_LINK): New.
 858         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 859         (undo_all): Handle UNDO_LINKS.
 860
 861 2012-01-25  Richard Henderson  <rth@redhat.com>
 862
 863         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 864         mem inputs.
 865
 866 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 867
 868         * optabs.c (gen_atomic_test_and_set): Use each argument.
 869
 870 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 871
 872         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 873         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 874         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 875         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 876         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 877         TARGET_PAIRED_SINGLE_FLOAT.
 878
 879 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 880
 881         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 882         (in_struct, return_val): Remove MEM documentation.
 883         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 884         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 885         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 886         and MEM_SCALAR.
 887         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 888         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 889         * expr.c (store_field): Likewise.
 890         * function.c (assign_stack_temp_for_type): Likewise.
 891         * ifcvt.c (noce_try_cmove_arith): Likewise.
 892         * reload1.c (reload): Likewise.
 893         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 894         (alpha_set_memflags): Likewise.
 895         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 896
 897 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 898
 899         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 900         parameter.
 901         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 902         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 903         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 904         varies parameter.
 905         * cselib.c (cselib_rtx_varies_p): Delete.
 906         (cselib_invalidate_mem): Update call to canon_true_dependence.
 907         * dse.c (record_store, check_mem_read_rtx): Likewise.
 908         (scan_reads_nospill): Likewise.
 909         * cse.c (check_dependence): Likewise.
 910         (cse_rtx_varies_p): Delete.
 911         * expr.c (safe_from_p): Update call to true_dependence.
 912         * ira.c (validate_equiv_mem_from_store): Likewise.
 913         (memref_referenced_p): Likewise.
 914         * postreload-gcse.c (find_mem_conflicts): Likewise.
 915         * sched-deps.c (sched_analyze_2): Likewise.
 916         * store-motion.c (load_kills_store): Likewise.
 917         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 918         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 919         (compute_transp): Update call to canon_true_dependence.
 920
 921 2012-01-25  Richard Henderson  <rth@redhat.com>
 922
 923         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 924         (maybe_emit_atomic_test_and_set): New.
 925         (expand_sync_lock_test_and_set): Use it.
 926         (expand_atomic_test_and_set): Likewise.
 927         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 928         the implementation; clarify implementation defined details.
 929         * doc/md.texi (atomic_test_and_set): Document.
 930
 931 2012-01-25  Richard Henderson  <rth@redhat.com>
 932
 933         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 934
 935 2012-01-25  Richard Henderson  <rth@redhat.com>
 936
 937         PR target/51968
 938         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 939         to effect no-op split.
 940
 941 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 942
 943         PR lto/51698
 944         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 945         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 946         (BT_FN_VOID_PTR_INT_SIZE): New.
 947         (BT_FN_UINT_UINT_VAR): Remove.
 948         (BT_FN_UINT32_UINT32_VAR): New.
 949         (BT_FN_DOUBLE_VPTR): Remove.
 950         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 951
 952         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 953         (_ITM_changeTransactionMode): Same.
 954         (_ITM_memmoveRtWt): Change return type to void.
 955         (_ITM_memcpyRtWt): Same.
 956         (_ITM_memsetW): Same.
 957         (_ITM_RaRD): Change types to double.
 958         (_ITM_RD): Same.
 959         (_ITM_RaWD): Same.
 960         (_ITM_RfWD): Same.
 961
 962         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 963
 964 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 965             Patrick Marlier  <patrick.marlier@gmail.com>
 966
 967         * trans-mem.c (requires_barrier): Do not instrument thread local
 968         variables and emit save/restore for them.
 969
 970 2012-01-24  Jason Merrill  <jason@redhat.com>
 971
 972         PR c++/51812
 973         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 974         output static aliases.
 975
 976 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 977
 978         PR driver/47249
 979         * common.opt (-pie, -shared, pie, shared): Change from Common to
 980         Driver.
 981         * gcc.c (display_help): Display help for -pie and -shared.
 982
 983 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 984
 985         PR target/49868
 986         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 987         Remove note on size/offset limitation.
 988         (AVR Variable Attributes): Add example how to read data located
 989         with progmem.  Refer to named address spaces.
 990         * doc/invoke.texi (AVR Options): Fix typo.
 991
 992 2012-01-24  Richard Guenther  <rguenther@suse.de>
 993
 994         Forward-port to trunk
 995         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 996
 997         PR middle-end/45678
 998         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 999         op0 isn't sufficiently aligned and there is movmisalignM
1000         insn for mode, use it to load op0 into a temporary register.
1001
1002 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1003
1004         PR target/51957
1005         * target.def (const_not_ok_for_debug_p): New hook.
1006         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1007         documentation.
1008         * doc/tm.texi: Regenerated.
1009         * dwarf2out.c (const_ok_for_output_1): If
1010         targetm.const_not_ok_for_debug_p returns true, fail.
1011         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1012         function.
1013         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1014
1015 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1016
1017         PR target/51900
1018         * config/i386/predicates.md (symbolic_operand): Allow
1019         UNSPEC_PCREL as PIC expression for lea.
1020         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1021         * config/i386/i386.c (ix86_delegitimize_address): Handle
1022         UNSPEC_PCREL for none-MEM, too.
1023
1024 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1025
1026         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1027         (ipa_tm_create_version_alias): Same.
1028
1029 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         PR libitm/51830
1032         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1033         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1034
1035 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1036             Patrick Marlier  <patrick.marlier@gmail.com>
1037             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1038
1039         PR lto/51916
1040         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1041         simple_object_start_read.
1042
1043 2012-01-23  Richard Guenther  <rguenther@suse.de>
1044
1045
1046         PR tree-optimization/51895
1047         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1048         parameter decomposition into BLKmode components.
1049
1050 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1051
1052         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1053         fake variables for restrict-qualified pointers whose pointed-to type
1054         contains a placeholder.
1055
1056 2012-01-23  Richard Guenther  <rguenther@suse.de>
1057
1058         PR tree-optimization/51949
1059         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1060
1061 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1062
1063         PR rtl-optimization/51933
1064         * ree.c (transform_ifelse): Return true right away if dstreg is
1065         already wider or equal to cand->mode.
1066         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1067         (make_defs_and_copies_lists): Remove defs_list and copies_list
1068         arguments, add state argument, just truncate state->work_list
1069         instead of always allocating and freeing the vector.  Assert that
1070         get_defs succeeds instead of returning 2.  Changed return type to bool.
1071         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1072         have ext_src_mode, see if it has been modified already with the
1073         right kind of extension and has been extended before from the
1074         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1075         just return true.  Remember the original mode in state->modified array.
1076         (combine_reaching_defs): Add state argument.  Don't allocate and
1077         free here def_list, copied_list and vec vectors, instead just
1078         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1079         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1080         Add state variable, clear vectors in it, initialize state.modified
1081         if needed.  Free all the vectors at the end and state.modified too.
1082         Don't skip a candidate if the extension expression has been modified.
1083
1084 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1085
1086         PR target/47096
1087         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1088          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1089         (extra_options) interix.opt -> i386/interix.opt"
1090         (extra_objs):Add winnt-stubs.o
1091         * configure.ac: Add interix to target_os .comm on PE check.
1092         * configure: Regenerate.
1093         * config/interix3.h: Delete and move bits to..
1094         * config/interix.h: Delete and move bits to..
1095         * config/i386/i386-interix3.h: Delete and move bits to..
1096         * config/i386/i386-interix.h: ..here.
1097         (TARGET_CPU_DEFAULT): Remove redefinition.
1098         (TARGET_ASM_CONSTRUCTOR): Undefine.
1099         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1100         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1101         (PTRDIFF_TYPE): Define.
1102         (LONG_DOUBLE_TYPE_SIZE): Define.
1103         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1104         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1105         (TARGET_SECTION_TYPE_FLAGS): Define.
1106         (ASM_DECLARE_FUNCTION_NAME): Define.
1107         (ASM_OUTPUT_EXTERNAL): Define.
1108         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1109         (ASM_OUTPUT_ALIGNED_BSS): Define.
1110         (PCC_BITFIELD_TYPE_MATTERS): Define.
1111         (USE_CONST_SECTION): Define.
1112         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1113         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1114         (SUPPORTS_ONE_ONLY): Remove.
1115         (I386_PE_STRIP_ENCODING): Define.
1116         * config/interix.opt: Delete and move bits to..
1117         * config/i386/interix.opt: ..here. New.
1118         (mpe-aligned-commons): Add.
1119         * config/i386/t-interix: Add copyright header.
1120         (winnt-stubs.o): Add rule.
1121
1122 2012-01-22  Jason Merrill  <jason@redhat.com>
1123
1124         PR c++/51832
1125         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1126         for extra name aliases.
1127
1128 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1129
1130         PR rtl-optimization/51924
1131         * ree.c (combine_set_extension): Improve debugging message.
1132         (combine_reaching_defs): Likewise.
1133         (get_defs): Rename confusingly named variable.
1134         (find_and_remove_re): Skip a candidate if the extension expression has
1135         been modified.
1136
1137 2012-01-21  Robert Millan  <rmh@gnu.org>
1138             Gerald Pfeifer  <gerald@pfeifer.com>
1139
1140         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1141         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1142
1143 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1144
1145         PR tree-optimization/51914
1146         * tree-vect-stmts.c (vectorizable_conversion): For
1147         cvt_type && modifier == WIDEN, put temporary with cvt_type
1148         at the beginning of vec_dsts and set vec_dest to temporary
1149         with vectype_out.
1150
1151 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1152
1153         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1154
1155 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1156
1157         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1158         * config/rs6000/rs6000.c: Likewise.
1159
1160 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1161
1162         PR target/51915
1163         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1164         output_move_double on a copy of operands array.
1165
1166 2012-01-20  Cary Coutant  <ccoutant@google.com>
1167             Dodji Seketeli  <dodji@redhat.com>
1168
1169         PR debug/45682
1170         * dwarf2out.c (copy_declaration_context): Return ref to parent
1171         of declaration DIE, if necessary.
1172         (remove_child_or_replace_with_skeleton): Add new parameter; update
1173         caller.  Place skeleton DIE under parent DIE of original declaration.
1174         Move call to copy_declaration_context to here ...
1175         (break_out_comdat_types): ... from here.
1176
1177 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1178
1179         PR rtl-optimization/51856
1180         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1181         flag to reloaded.
1182
1183 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1184
1185         PR target/51819
1186         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1187         hints for neon loads and stores.
1188
1189 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1190
1191         PR target/49868
1192         PR target/50887
1193         * doc/extend.texi (Named Address Spaces): Split into subsections.
1194         (AVR Named Address Spaces): New subsection.
1195         (M32C Named Address Spaces): New subsection.
1196         (RL78 Named Address Spaces): New subsection.
1197         (SPU Named Address Spaces): New subsection.
1198         (Variable Attributes): New anchor "AVR Variable Attributes".
1199         (AVR Variable Attributes): Rewrite and avoid wording
1200         "address space" in this context.
1201         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1202         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1203         (AVR Built-in Macros): New subsubsection therein.
1204         * doc/md.texi (AVR constraints): Remove "C04", "R".
1205
1206 2012-01-20  Richard Guenther  <rguenther@suse.de>
1207
1208         PR tree-optimization/51903
1209         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1210         when removing stmts.
1211
1212 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1213
1214         PR target/50313
1215         * config/arm/arm.c (arm_load_pic_register): Use
1216         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1217         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1218         (arm_pic_static_addr): Likewise.
1219         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1220         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1221         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1222         (pic_load_addr_unified): New.
1223
1224 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1225
1226         PR target/51106
1227         * function.c (instantiate_virtual_regs_in_insn): Use
1228         delete_insn_and_edges when removing a wrong asm insn.
1229
1230 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1231
1232         PR rtl-optimization/40761
1233         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1234         Add new member loop_num.
1235         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1236         (ira_build): Remove the parameter.
1237
1238         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1239         (ira.c): Do not build CFG loops for one region allocation.  Remove
1240         argument from ira_build call.
1241
1242         * ira-build.c (init_loop_tree_node): New function.
1243         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1244         loops are not built.
1245         (more_one_region_p): Check current_loops.
1246         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1247         built.
1248         (add_loop_to_tree): Process loop equal to NULL too.
1249         (form_loop_tree): Separate the case when CFG loops are not built.
1250         Use explicitly number for the root.
1251         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1252         an assertion.
1253         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1254         instead of loop->num.
1255         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1256         (mark_all_loops_for_removal): Ditto.
1257         (remove_unnecessary_regions): Separate the case when CFG loops
1258         are not built.
1259         (ira_build): Remove the parameter.  Use explicit number of regions
1260         when CFG loops are not built.
1261
1262         * ira-color.c (print_loop_title): Separate the case for the root node.
1263         Use loop_num instead of loop->num.
1264         (move_spill_restore): Use loop_num instead of loop->num.
1265
1266         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1267         (change_loop): Ditto.
1268         (change_loop): Use loop_num instead of loop->num.
1269
1270         * ira-lives.c (process_bb_node_lives): Ditto.
1271
1272         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1273
1274         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1275
1276 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1277
1278         PR libmudflap/40778
1279         * tree-mudflap.c (mf_artificial): New function.
1280         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1281         mx_register_decls, mudflap_enqueue_decl): Use it.
1282
1283         PR target/51876
1284         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1285         numbers in the insn pattern.
1286
1287 2012-01-19  Michael Matz  <matz@suse.de>
1288
1289         PR tree-optimization/46590
1290         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1291         use it in remembering which conflicts we already created.
1292         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1293         bitmap.
1294
1295 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1296
1297         PR lto/51280
1298         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1299         (merge_and_complain): Same.
1300
1301 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1302
1303         PR bootstrap/50237
1304         * config/initfini-array.h: Guard content of the header
1305         with #ifdef HAVE_INITFINI_ARRAY.
1306         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1307         Add initfini-array.h to tm_file here.
1308         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1309         * config.gcc: Don't add initfini-array.h to tm_file here.
1310         * configure: Regenerated.
1311
1312 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1313
1314         PR rtl-optimization/51505
1315         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1316         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1317         (df_note_bb_compute): Update the call to df_kill_notes.
1318
1319 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1320
1321         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1322
1323 2012-01-18  Richard Guenther  <rguenther@suse.de>
1324
1325         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1326         of conversions to void *.
1327
1328 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1329             Richard Sandiford  <rdsandiford@googlemail.com>
1330
1331         PR middle-end/50325
1332         PR middle-end/51192
1333         * optabs.h (simplify_expand_binop): Declare.
1334         * optabs.c (simplify_expand_binop): Make global.
1335         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1336         endian targets if the source cannot be exactly covered by word
1337         mode chunks.
1338
1339 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1340
1341         PR bootstrap/51872
1342         * hard-reg-set.h (struct hard_reg_set_container): New type.
1343         * target.h (struct hard_reg_set_container): Forward declare.
1344         * target.def (set_up_by_prologue): New target hook.
1345         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1346         * doc/tm.texi: Regenerated.
1347         * function.c (thread_prologue_and_epilogue_insns): Change
1348         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1349         Call targetm.set_up_by_prologue on it.
1350         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1351         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1352
1353 2012-01-17  Nick Clifton  <nickc@redhat.com>
1354
1355         * config/rx/rx.c (rx_can_use_simple_return): New function.
1356         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1357         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1358
1359 2012-01-17  Richard Guenther  <rguenther@suse.de>
1360
1361         PR middle-end/51782
1362         * expr.c (expand_assignment): Take address-space information
1363         from the address operand of MEM_REF and TARGET_MEM_REF.
1364         (expand_expr_real_1): Likewise.
1365
1366 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1367
1368         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1369         reload dump is requested.
1370
1371 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1372
1373         PR other/51165
1374         * trans-mem.c (requires_barrier): Call may_be_aliased.
1375
1376 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1377
1378         PR tree-optimization/51877
1379         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1380         call arguments and fndecls compare equal, instead return false if they
1381         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1382         both SSA_NAMEs that are valueized the same, or they satisfy
1383         operand_equal_p.
1384
1385 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1386
1387         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1388         Solaris 11+.
1389         * configure: Regenerate.
1390
1391 2012-01-16  Jan Hubicka  <jh@suse.cz>
1392
1393         PR c/12245
1394         PR c++/14179
1395         * convert.c (convert_to_integer): Use fold_convert for
1396         converting an INTEGER_CST to integer type.
1397
1398 2012-01-16  Jason Merrill  <jason@redhat.com>
1399
1400         PR c++/14179
1401         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1402
1403 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1404
1405         PR bootstrap/51860
1406         * config/s390/s390.c (s390_chunkify_start): Don't skip
1407         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1408         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1409         If insn is followed by NOTE_INSN_VAR_LOCATION or
1410         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1411         Don't use location of note insns.
1412
1413         PR tree-optimization/51865
1414         * tree-inline.c (tree_function_versioning): Call remap_decl
1415         on DECL_RESULT whenever it has VOID_TYPE_P type.
1416
1417 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1418
1419         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1420         for calls to locally-binding MIPS16 functions if only the return
1421         type uses float regs.
1422
1423 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1424             Richard Sandiford  <rdsandiford@googlemail.com>
1425
1426         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1427         (SYMBOL_32_HIGH): Likewise.
1428         (mips_output_tls_reloc_directive): Declare.
1429         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1430         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1431         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1432         (mips_lo_relocs, mips_hi_relocs): Make extern.
1433         (mips16_stub_function): Move up file.
1434         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1435         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1436         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1437         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1438         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1439         (mips_get_tp): Add MIPS16 support.
1440         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1441         Generalize DTPREL and TPREL handling.
1442         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1443         Add MIPS16 TLS support.
1444         (mips_output_tls_reloc_directive): New function.
1445         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1446         * config/mips/predicates.md (symbolic_operand_with_high)
1447         (tls_reloc_operand): New predicates.
1448         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1449         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1450         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1451         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1452         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1453         (*tls_get_tp_mips16_call_<mode>): Likewise.
1454
1455 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1456
1457         PR rtl-optimization/51821
1458         * recog.c (peep2_find_free_register): Determine clobbered registers
1459         from insn pattern.
1460
1461 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1462
1463         PR target/50925
1464         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1465         * config/avr/avr.c: Likewise.
1466         * config/avr/avr.h: Likewise.
1467
1468 2012-01-13  Ian Lance Taylor  <iant@google.com>
1469
1470         PR c++/50012
1471         * tree.h (TYPE_QUALS): Add cast to int.
1472         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1473
1474 2012-01-13  Ian Lance Taylor  <iant@google.com>
1475
1476         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1477         comparing param_index to VEC_length result.
1478
1479 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1480
1481         * c-decl.c: Do not include tree-mudflap.h
1482         * tree-optimize.c: Likewise.
1483         * Makefile.in: Update dependencies.
1484
1485 2012-01-13  Richard Guenther  <rguenther@suse.de>
1486
1487         PR middle-end/8081
1488         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1489         variable-sized result always use RSO.
1490
1491 2012-01-12  DJ Delorie  <dj@redhat.com>
1492
1493         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1494         pointer type, not just the default pointer type.
1495
1496 2012-01-09  Richard Henderson  <rth@redhat.com>
1497             Denis Chertykov  <chertykov@gmail.com>
1498
1499         PR target/50925
1500         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1501         * config/avr/avr.c (avr_can_eliminate): Simplify.
1502         (avr_initial_elimination_offset): Likewise.
1503         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1504         (expand_epilogue): Likewise.
1505         (avr_legitimize_address): Gut.
1506         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1507         (avr_hard_regno_nregs): New.
1508         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1509         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1510         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1511         add soft frame pointer.
1512         (CALL_USED_REGISTERS): Likewise.
1513         (REG_CLASS_CONTENTS): Likewise.
1514         (REGISTER_NAMES): Likewise.
1515         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1516         (HARD_FRAME_POINTER_REGNUM): New.
1517         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1518         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1519         remove the HARD_FRAME_POINTER self-elimination.
1520
1521 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1522
1523         PR target/51756
1524         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1525         DECL_EXTERNAL when checking for initializers of progmem variables.
1526
1527 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1528
1529         PR tree-optimization/51799
1530         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1531         that the last operation is a type demotion.
1532
1533 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1534
1535         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1536         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1537
1538 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1539
1540         PR bootstrap/51796
1541         * combine.c (distribute_notes): If i3 is a noreturn call,
1542         allow old_size to be equal to args_size and make sure the
1543         noreturn call gets REG_ARGS_SIZE note.
1544         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1545         on noreturn calls even when the delta is 0.
1546
1547 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1548
1549         * gcov.c (STRING_SIZE): Remove.
1550         (generate_results): Erase annotations for source files with no
1551         coverage information.
1552         (read_line): New.
1553         (output_lines): Use it.
1554
1555 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1556
1557         * gimple.h (gimplify_body): Remove first argument.
1558         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1559         pointer set here, instead just pass DATA to walk_tree.
1560         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1561         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1562         (unvisit_body): Likewise, but with unmark_visited.
1563         (gimplify_body): Remove BODY_P argument and adjust.
1564         (gimplify_function_tree): Adjust call to gimplify_body.
1565         * omp-low.c (finalize_task_copyfn): Likewise.
1566
1567 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1568
1569         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1570         (build_function_type_skip_args): Delete.
1571         * tree.c (build_function_type_skip_args): Make static and add
1572         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1573         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1574         pass it to build_function_type_skip_args.
1575         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1576         (tree_function_versioning): Likewise.
1577         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1578         build_function_decl_skip_args.
1579         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1580         and pass it to build_function_decl_skip_args/tree_function_versioning.
1581         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1582         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1583         * trans-mem.c (ipa_tm_create_version): Likewise.
1584         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1585         * tree-inline.c (declare_return_variable): Remove always-true test.
1586         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1587         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1588         * ipa-split.c (split_function): Skip the return value for the split
1589         part if it doesn't return.
1590
1591 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1592
1593         PR tree-optimization/49642
1594         * ipa-split.c (forbidden_dominators): New variable.
1595         (check_forbidden_calls): New function.
1596         (dominated_by_forbidden): Likewise.
1597         (consider_split): Check for forbidden dominators.
1598         (execute_split_functions): Initialize and free forbidden
1599         dominators info; call check_forbidden_calls.
1600
1601 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1602
1603         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1604
1605 2012-01-11  Nick Clifton  <nickc@redhat.com>
1606
1607         * config/rx/rx.md (return): Define pattern.
1608
1609 2012-01-11  Richard Guenther  <rguenther@suse.de>
1610
1611         * doc/extend.texi (malloc attribute): Adjust according to
1612         implementation.
1613
1614 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1615             Patrick Marlier  <patrick.marlier@gmail.com>
1616
1617         PR middle-end/51516
1618         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1619         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1620         (ipa_tm_note_irrevocable): Same.
1621         (ipa_tm_scan_irr_block): Same.
1622         (ipa_tm_decrement_clone_counts): Same.
1623         (ipa_tm_scan_irr_function): Same.
1624         (ipa_tm_create_version_alias): Same.
1625         (ipa_tm_create_version): Same.
1626         (ipa_tm_transform_calls_redirect): Same.
1627         (ipa_tm_transform_calls): Same.
1628         (ipa_tm_transform_transaction): Same.
1629         (ipa_tm_execute): Same.
1630
1631 2012-01-10  Richard Guenther  <rguenther@suse.de>
1632
1633         PR middle-end/51806
1634         * opts.c (common_handle_option): Handle -Werror.
1635
1636 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1637
1638         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1639         operand number.
1640
1641 2012-01-10  Jason Merrill  <jason@redhat.com>
1642
1643         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1644         information.
1645
1646 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1647
1648         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1649         supports R_386_TLS_GD_PLT reloc.
1650         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1651         supports R_386_TLS_LDM_PLT reloc.
1652         * configure: Regenerate.
1653         * config.in: Regenerate.
1654
1655 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1656
1657         PR target/49868
1658         Extend __pgmx semantics to linearize memory.
1659         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1660         determine if code comes inline or from libgcc.
1661         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1662         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1663         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1664         (movmemx_qi, movmemx_hi): New insns.
1665         (xload_<mode>_libgcc): Rewrite to new insn condition.
1666         (xload_<mode>): Remove insns.
1667         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1668         cases that don't satisfy avr_xload_libgcc_p().
1669         (avr_addr_space_convert): Allow converting in any direction.
1670         (avr_addr_space_subset_p): Return always true.
1671         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1672         (avr_emit_movmemhi): Ditto.
1673         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1674         (avr_out_movmem): Ditto.
1675         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1676         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1677         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1678         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1679         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1680
1681 2012-01-10  Richard Guenther  <rguenther@suse.de>
1682
1683         PR tree-optimization/50913
1684         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1685         Require data-refs to be representable by Graphite with respect
1686         to any loop nest.
1687
1688 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1691         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1692
1693 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1694
1695         PR rtl-optimization/51271
1696         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1697         handling annulled branch.
1698
1699 2012-01-10  Richard Henderson  <rth@redhat.com>
1700
1701         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1702         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1703         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1704         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1705         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1706         arm_expand_vec_perm_const): New.
1707         * config/arm/arm-protos.h: Update.
1708         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1709         (*neon_vswp<VDQX>): New.
1710         (neon_vcombine<VDX>): Use neon_split_vcombine.
1711         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1712         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1713         (vec_perm<VE>): New.
1714
1715 2012-01-10  Richard Henderson  <rth@redhat.com>
1716
1717         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1718         use it if reload_completed.
1719         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1720         arm_output_asm_insn, arm_process_output_memory_barrier,
1721         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1722         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1723         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1724         arm_process_output_sync_insn, arm_output_sync_insn,
1725         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1726         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1727         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1728         (emit_unlikely_jump): New.
1729         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1730         (arm_split_atomic_op): New.
1731         * config/arm/arm-protos.h: Update.
1732         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1733         (struct arm_sync_generator): Remove.
1734         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1735         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1736         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1737         (VUNSPEC_LL, VUNSPEC_SC): New.
1738         (sync_result, sync_memory, sync_required_value, sync_new_value,
1739         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1740         (attr length): Don't use arm_sync_loop_insns.
1741         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1742         (movsfcc, movdfcc): Likewise.
1743         * config/arm/constraints.md (Ua): New.
1744         * config/arm/prediates.md (mem_noofs_operand): New.
1745         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1746         (sync_clobber, sync_t2_reqd): Remove.
1747         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1748         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1749         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1750         (arm_sync_compare_and_swap<SIDI>): Remove.
1751         (arm_sync_compare_and_swap<NARROW>): Remove.
1752         (arm_sync_lock_test_and_set<SIDI>): Remove.
1753         (arm_sync_lock_test_and_set<NARROW>): Remove.
1754         (arm_sync_new_<syncop><SIDI>): Remove.
1755         (arm_sync_new_<syncop><NARROW>): Remove.
1756         (arm_sync_new_nand<SIDI>): Remove.
1757         (arm_sync_new_nand<NARROW>): Remove.
1758         (arm_sync_old_<syncop><SIDI>): Remove.
1759         (arm_sync_old_<syncop><NARROW>): Remove.
1760         (arm_sync_old_nand<SIDI>): Remove.
1761         (arm_sync_old_nand<NARROW>): Remove.
1762         (*memory_barrier): Merge arm_output_memory_barrier.
1763         (atomic_compare_and_swap<QHSD>): New.
1764         (atomic_compare_and_swap<NARROW>_1): New.
1765         (atomic_compare_and_swap<SIDI>_1): New.
1766         (atomic_exchange<QHSD>): New.
1767         (cas_cmp_operand, cas_cmp_str): New.
1768         (atomic_op_operand, atomic_op_str): New.
1769         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1770         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1771         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1772         (arm_load_exclusive<NARROW>): New.
1773         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1774         (arm_store_exclusive<QHSD>): New.
1775
1776 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1777
1778         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1779         reload patterns if -mvsx-scalar-memory.
1780
1781         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1782         generated, even -mno-vsx-scalar-double was used.
1783         (vsx_xscvdpsp_scalar): Likewise.
1784         (vsx_xscvspdp_scalar2): Likewise.
1785
1786 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1787             Andrew Pinski  <apinski@cavium.com>
1788
1789         PR debug/51471
1790         * reorg.c (fill_slots_from_thread): Don't speculate
1791         frame-related insns.
1792
1793 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1794
1795         * sched-int.h (bb_note): Move to...
1796         * basic-block.h: ...here.
1797         * haifa-sched.c (bb_note): Move to...
1798         * cfgrtl.c: ...here.
1799         * function.c (next_block_for_reg): New function.
1800         (move_insn_for_shrink_wrap): Likewise.
1801         (prepare_shrink_wrap): Rewrite to use the above.
1802
1803 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1804
1805         * gimple.c (is_gimple_non_addressable): Remove.
1806         * gimple.h: Remove is_gimple_non_addressable.
1807         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1808         is_gimple_non_addressable.
1809         * trans-mem.c (expand_assign_tm): Same.
1810
1811 2012-01-09  Richard Guenther  <rguenther@suse.de>
1812
1813         PR tree-optimization/51775
1814         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1815         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1816
1817 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1818
1819         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1820         tuning parameters.
1821         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1822
1823 2012-01-09  Richard Guenther  <rguenther@suse.de>
1824
1825         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1826
1827 2012-01-08  Jan Hubicka  <jh@suse.cz>
1828
1829         PR tree-optimize/51680
1830         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1831         on when known_vals needs to be computed; cleanup.
1832
1833 2012-01-08  Jan Hubicka  <jh@suse.cz>
1834
1835         PR tree-optimize/51694
1836         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1837
1838 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1839
1840         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1841         for -std=c++98 and -std=c++11 too.
1842
1843 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1844
1845         * cfgloop.c (cancel_loop): Add free() of bbs array.
1846
1847 2012-01-07  Jan Hubicka  <jh@suse.cz>
1848
1849         PR tree-optimization/51600
1850         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1851         that benefits small functions.
1852
1853 2012-01-07  Jan Hubicka  <jh@suse.cz>
1854
1855         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1856
1857 2012-01-07  Jan Hubicka  <jh@suse.cz>
1858
1859         PR tree-optimization/51680
1860         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1861         whose inlining reduce unit size.
1862
1863 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1864
1865         PR bootstrap/51725
1866         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1867         Add canonical node to containing_mem chain after the non-canonical
1868         one, even if there weren't any locs to propagate.
1869         (remove_useless_values): Keep only canonical values.
1870         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1871         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1872         canonicalize mem_chain elements that are not discarded.
1873
1874 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1875
1876         PR target/47333
1877         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1878         before emitting functions.
1879
1880         PR gcov-profile/50127
1881         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1882         clear_aux_for_blocks.
1883
1884 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1885
1886         PR debug/51746
1887         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1888
1889 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1890
1891         * c-decl.c (ext_block): Moved up.
1892         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1893
1894 2012-01-06  Han Shen  <shenhan@google.com>
1895
1896         Translate built-in include paths for sysroot.
1897         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1898         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1899
1900         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1901         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1902
1903         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1904         control whether sysroot should be prepended to gxx include dir.
1905
1906         * configure: Regenerate.
1907
1908 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1909
1910         PR rtl-optimization/51771
1911         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1912         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1913
1914 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1915
1916         PR tree-optimization/51315
1917         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1918         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1919
1920 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1921
1922         PR target/51681
1923         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1924         for shrp pattern.  Correctly handle and fixup shift variable.
1925         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1926
1927 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1928
1929         PR debug/51762
1930         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1931         note when !ACCUMULATE_OUTGOING_ARGS.
1932
1933 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1934
1935         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1936         condition.
1937         (extract_range_from_unary_expr_1): Avoid useless computations.
1938
1939 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1940
1941         PR rtl-optimization/51767
1942         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1943         of jump_block and add an extra edge for degenerated asm gotos.
1944
1945         PR middle-end/51768
1946         * stmt.c (check_unique_operand_names): Don't ICE during error
1947         reporting if i is from labels chain.
1948
1949         PR middle-end/44777
1950         * profile.c (branch_prob): Split bbs that have exit edge
1951         and need a fake entry edge too.
1952
1953 2012-01-05  Jan Hubicka  <jh@suse.cz>
1954
1955         PR middle-end/49710
1956         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1957         unlooping loops.
1958
1959 2012-01-05  Richard Guenther  <rguenther@suse.de>
1960
1961         PR lto/50490
1962         * tree-streamer-out.c (write_ts_optimization): New function.
1963         (streamer_write_tree_body): Call it.
1964         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1965         (streamer_read_tree_body): Call it.
1966         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1967
1968 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1969
1970         PR middle-end/51761
1971         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1972         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1973         in_cleanup_point_expr before gimplify_stmt call and restore it
1974         afterwards.
1975         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1976         in_cleanup_point_expr is false.
1977
1978 2012-01-05  Richard Guenther  <rguenther@suse.de>
1979
1980         PR middle-end/51764
1981         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1982         to c.opt.
1983         * toplev.c (process_options): Reject combining mudflap and LTO.
1984         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1985
1986 2012-01-05  Richard Guenther  <rguenther@suse.de>
1987
1988         PR tree-optimization/51760
1989         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1990         not VARYING.
1991         (bit_value_unop): Handle UNDEFINED operands.
1992         (bit_value_binop): Likewise.
1993
1994 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1995
1996         * config/avr/avr.c (avr_replace_prefix): Remove.
1997         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1998         (avr_asm_function_rodata_section): Ditto.
1999         (avr_asm_select_section): Ditto.
2000
2001 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2002
2003         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2004         insertion.
2005
2006 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2007
2008         PR bootstrap/51648
2009         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2010         calls that have any non-fake successor edges.
2011
2012         PR debug/51746
2013         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2014
2015 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2016
2017         PR tree-optimization/51624
2018         * tree-sra.c (build_ref_for_model): When replicating a chain of
2019         COMPONENT_REFs, stop as soon as the offset would become negative.
2020
2021 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2022
2023         PR debug/51695
2024         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2025         in .debug_loc on the floor.
2026
2027 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2028
2029         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2030
2031 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2032             Adam Nemet  <anemet@caviumnetworks.com>
2033
2034         * config/mips/mips.md (size): Add SI and DI.
2035         (SIZE): New mode attribute.
2036         (U): New code attribute.
2037         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2038         (mips_lbux_<mode>): Delete.
2039         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2040         (mips_lhx): Use gen_mips_lhx_extsi.
2041         (mips_lhx_<mode>): Delete.
2042         (mips_lwx): Delete.
2043         (mips_l<size>x): New expand.
2044         (mips_lwx_<mode>): Delete.
2045         (mips_l<GPR:size>x_<P:mode>): New pattern.
2046         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2047         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2048         * config/mips/mips.c (mips_lx_address_p): New function.
2049         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2050         (dsp64): New availability predicate.
2051         (mips_builtins): Add an entry for __builtin_mips_ldx.
2052         * config/mips/mips.h (ISA_HAS_LBX): New define.
2053         (ISA_HAS_LBUX): Likewise.
2054         (ISA_HAS_LHX): Likewise.
2055         (ISA_HAS_LHUX): Likewise.
2056         (ISA_HAS_LWX): Likewise.
2057         (ISA_HAS_LWUX): Likewise.
2058         (ISA_HAS_LDX): Likewise.
2059         * doc/extend.texi (__builtin_mips_ldx): Document.
2060
2061 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2062
2063         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2064         when long pointers are used.
2065         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2066         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2067         (ia64-hp-*vms*): Remove.
2068         * config/vms/xm-vms64.h: Delete.
2069
2070 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2071
2072         PR middle-end/51472
2073         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2074
2075 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2076
2077         * opts.c (finish_options): Remove duplicate sorry.
2078
2079 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2080
2081         PR middle-end/51696
2082         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2083         correctly.
2084
2085 2012-01-04  Richard Guenther  <rguenther@suse.de>
2086
2087         PR middle-end/51750
2088         * tree.c (size_low_cst): New function.
2089         * tree.h (size_low_cst): Declare.
2090         * fold-const.c (fold_comparison): Use it to extract the low
2091         part of the POINTER_PLUS_EXPR offset.
2092
2093 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2094
2095         Fix clearing ZERO_REG
2096         * config/avr/avr.md (cc): Add alternative "ldi".
2097         (movqi_insn): Use it in cc attribute.
2098         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2099         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2100         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2101
2102 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2103
2104         * configure: Regenerate.
2105
2106 2012-01-04  Richard Guenther  <rguenther@suse.de>
2107
2108         PR tree-optimization/49651
2109         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2110         (var_can_have_subvars): Use it.
2111         (get_constraint_for_1): Only consider subfields if there can be any.
2112
2113 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2114
2115         PR bootstrap/51725
2116         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2117         to its new canonical_cselib_val and the cselib_val was in
2118         first_containing_mem chain, but the canonical_cselib_val was not,
2119         add the latter into the chain.
2120         (cselib_invalidate_mem): Compare canonical_cselib_val of
2121         addr_list chain elt with v.
2122
2123         PR pch/51722
2124         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2125         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2126         of xstrdup.
2127         (output_macinfo_op): Don't ggc_strdup fd->filename.
2128         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2129         then ggc_strdup it.  Don't free inc->info or cur->info.
2130         (output_macinfo): Don't free ref->info or file->info.
2131
2132 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2133
2134         PR tree-optimization/51269
2135         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2136         first_niters a pointer.
2137         (slpeel_tree_peel_loop_to_edge): Likewise.
2138         (vect_do_peeling_for_loop_bound): Update call to
2139         slpeel_tree_peel_loop_to_edge.
2140         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2141         here.  Remove it from the parameters list.
2142         (vect_do_peeling_for_alignment): Update calls and compute
2143         wide_prolog_niters.
2144
2145 2012-01-03  Richard Guenther  <rguenther@suse.de>
2146
2147         PR tree-optimization/51070
2148         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2149         Properly handle calls.
2150
2151 2012-01-03  Richard Guenther  <rguenther@suse.de>
2152
2153         PR tree-optimization/51692
2154         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2155         the LHS of allocation stmts.
2156
2157 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2158
2159         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2160
2161 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2162
2163         * collect2.c (main): In AIX specific computations for vector
2164         insertions, use CONST_CAST2 to cast from char ** to const char **.
2165
2166 2012-01-03  Richard Guenther  <rguenther@suse.de>
2167
2168         PR debug/51650
2169         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2170         the context of a limbo DIE when it does not already exist.
2171
2172 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2173
2174         PR tree-optimization/51719
2175         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2176         but direct call is, clear direct call's lhs and don't add fallthrough
2177         edge from dcall_bb to join_bb and PHIs.
2178
2179 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2180
2181         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2182         the instructions emitted by the pattern.
2183         ("*TDC_insn_<mode>"): Add comment.
2184
2185 2012-01-03  Richard Guenther  <rguenther@suse.de>
2186
2187         PR middle-end/51730
2188         * fold-const.c (fold_comparison): Properly canonicalize
2189         tree offset and HOST_WIDE_INT bit position.
2190
2191 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2192
2193         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2194         operands for extzv pattern.
2195
2196 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2197
2198         PR bootstrap/51725
2199         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2200         on mem_elt first.
2201
2202 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2203
2204         * doc/invoke.texi (-flto and related options): Copy-edit.
2205
2206 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2207
2208         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2209
2210 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2211
2212         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2213         New patterns.
2214
2215 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2216
2217         * expr.h (move_by_pieces_ninsns): Declare.
2218         * expr.c (move_by_pieces_ninsns): Make external.
2219         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2220         (mips_store_by_pieces_p): Likewise.
2221         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2222         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2223         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2224         (mips_store_by_pieces_p): Likewise.
2225
2226 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2227
2228         * passes.c (register_one_dump_file): Free full_name.
2229
2230         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2231         (calculate_elim_costs_all_insns): Free offsets_at and
2232         offsets_known_at at the end and clear the pointers.
2233
2234 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2235
2236         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2237         this option introduced in r180739.
2238
2239 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2240
2241         PR target/51345
2242         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2243         (tmake_file target=avr): Add avr/t-multilib.
2244
2245         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2246         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2247         * config/avr/genmultilib.awk: New file.
2248         * config/avr/t-multilib: New auto-generated file.
2249         * config/avr/multilib.h: New auto-generated file.
2250         * config/avr/t-avr (AVR_MCUS): New variable.
2251         (genopt.sh): Use it.
2252         (s-mlib): Depend on t-multilib.
2253         (t-multilib, multilib.h): New dependencies.
2254         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2255         (MULTILIB_OPTIONS): Remove.
2256         (MULTILIB_MATCHES): Remove.
2257         (MULTILIB_DIRNAMES): Remove.
2258         (MULTILIB_EXCEPTIONS): Remove:
2259         * config/avr/genopt.sh: Don't use hard coded file name;
2260         pass AVR_MCUS from t-avr instead.
2261
2262 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2263
2264         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2265
2266 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2267
2268         Implement light-weight DImode support.
2269         * config/avr/avr-dimode.md: New file.
2270         * config/avr/avr.md: Include it.
2271         (adjust_len): Add plus64, compare64.
2272         (HIDI): Remove code iterator.
2273         (code_stdname): New code attribute.
2274         (rotx, rotsmode): Remove DI.
2275         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2276         as code iterator.
2277         * config/avr/avr-protos.h (avr_have_dimode): New.
2278         (avr_out_plus64, avr_out_compare64): New.
2279         * config/avr/avr.c (avr_out_compare): Handle DImode.
2280         (avr_have_dimode): New variable definition and initialization.
2281         (avr_out_compare64, avr_out_plus64): New functions.
2282         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2283         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2284         (avr_compare_pattern): Skip DImode comparisons.
2285
2286 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2287
2288         * ddg.c (def_has_ccmode_p): New function.
2289         (add_cross_iteration_register_deps,
2290         create_ddg_dep_from_intra_loop_link): Call it.
2291
2292 2012-01-02  Richard Guenther  <rguenther@suse.de>
2293
2294         PR other/51679
2295         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2296
2297 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2298
2299         * gcc.c (process_command): Update copyright notice dates.
2300         * gcov.c (print_version): Likewise.
2301         * gcov-dump.c (print_version): Likewise.
2302         * mips-tfile.c (main): Likewise.
2303         * mips-tdump.c (main): Likewise.
2304
2305 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2306
2307         PR tree-optimization/51704
2308         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2309         a use is inside the basic block or loop before accessing its vect info.
2310
2311 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2312
2313         PR rtl-optimization/51069
2314         * cfgloopmanip.c (remove_path): Removing path making irreducible
2315         region unconditional makes BB part of the region.
2316
2317 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2318
2319         PR tree-optimization/51683
2320         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2321         calls with side-effects.
2322         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2323 \f
2324 Copyright (C) 2012 Free Software Foundation, Inc.
2325
2326 Copying and distribution of this file, with or without modification,
2327 are permitted in any medium without royalty provided the copyright
2328 notice and this notice are preserved.