gcc/ChangeLog

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