gcc/ChangeLog

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