gcc/ChangeLog

   1 2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>
   2
   3         * config/rs6000/t-rtems: Use MULTILIB_REQUIRED instead of
   4         MULTILIB_EXCEPTIONS.
   5
   6 2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>
   7
   8         * config/arm/t-rtems: Use MULTILIB_REQUIRED instead of
   9         MULTILIB_EXCEPTIONS.
  10
  11 2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>
  12
  13         * config/arm/t-rtems-eabi: Rename to...
  14         * config/arm/t-rtems: ...this.
  15         * config/arm/rtems-eabi.h: Rename to...
  16         * config/arm/rtems.h: ...this.
  17         * config.gcc (arm*-*-rtems*): Reflect changes above.
  18
  19 2015-01-09  Richard Biener  <rguenther@suse.de>
  20
  21         PR tree-optimization/64410
  22         * tree-ssa.c (non_rewritable_lvalue_p): Allow REALPART/IMAGPART_EXPR
  23         on the LHS.
  24         (execute_update_addresses_taken): Deal with that.
  25         * tree-ssa-forwprop.c (pass_forwprop::execute): Use component-wise
  26         loads/stores for complex variables.
  27
  28 2015-01-09  Martin Liska  <mliska@suse.cz>
  29
  30         * ipa-icf-gimple.c (func_checker::compare_ssa_name): Enhance SSA
  31         name comparison.
  32         (func_checker::compare_memory_operand): New function.
  33         (func_checker::compare_operand): Split case to newly
  34         added functions.
  35         (func_checker::compare_cst_or_decl): New function.
  36         (func_checker::compare_gimple_call): Identify
  37         memory operands.
  38         (func_checker::compare_gimple_assign): Likewise.
  39         * ipa-icf-gimple.h: New function.
  40
  41 2015-01-09  Martin Liska  <mliska@suse.cz>
  42
  43         PR ipa/64503
  44         * sreal.c (sreal::dump): Change unsigned format to signed for
  45         m_exp value.
  46         (sreal::to_double): Replace exp2 with scalbln.
  47
  48 2015-01-09  Martin Liska  <mliska@suse.cz>
  49
  50         * cgraphunit.c (cgraph_node::create_wrapper): Fix level of indentation.
  51         * ipa-icf.c (sem_function::equals_private): Add support for target and
  52         (sem_item_optimizer::merge_classes): Remove redundant function
  53         optimization flags comparison.
  54         * tree.h (target_opts_for_fn): New function.
  55
  56 2015-01-09  Tom de Vries  <tom@codesourcery.com>
  57
  58         * omp-low.c (expand_omp_for_static_chunk): Fix assert.
  59
  60 2015-01-09  Kito Cheng  <kito@0xlab.org>
  61
  62         PR rtl-optimization/64348
  63         * lra-constraints.c (split_reg): Fix caller-save store/restore
  64         instruction generation.
  65
  66 2015-01-08  John David Anglin  <danglin@gcc.gnu.org>
  67
  68         PR gcov-profile/61790
  69         * gcov-tool.c (do_rewrite): Use strtoll instead of atoll if host has
  70         long long.  Fallback to int64_t if host doesn't have long long and
  71         use strtol if int64_t is long.  Otherwise, use sscanf for conversion.
  72
  73 2015-01-08  Jakub Jelinek  <jakub@redhat.com>
  74
  75         PR tree-optimization/63989
  76         * params.def (PARAM_MAX_TRACKED_STRLENS): Increment default
  77         from 1000 to 10000.
  78         * tree-ssa-strlen.c (get_strinfo): Moved earlier.
  79         (get_stridx): If we don't have a record for certain SSA_NAME,
  80         but it is POINTER_PLUS_EXPR of some SSA_NAME we do with
  81         constant offset, call get_stridx_plus_constant.
  82         (get_stridx_plus_constant): New function.
  83         (zero_length_string): Don't use get_stridx here.
  84
  85         PR target/55023
  86         PR middle-end/64388
  87         * dse.c (struct insn_info): Mention frame_read set also
  88         before reload for tail calls on some targets.
  89         (scan_insn): Revert 2014-12-22 change.  Set frame_read
  90         also before reload for tail calls if
  91         HARD_FRAME_POINTER_IS_ARG_POINTER.  Call add_wild_read
  92         instead of add_non_frame_wild_read for non-const/memset
  93         tail calls after reload.
  94
  95 2015-01-08  Jason Merrill  <jason@redhat.com>
  96
  97         * ubsan.c (do_ubsan_in_current_function): New.
  98         (pass_ubsan::gate): Use it.
  99         * ubsan.h: Declare it.
 100         * convert.c (convert_to_integer): Use it.
 101
 102 2015-01-08  Jakub Jelinek  <jakub@redhat.com>
 103
 104         PR target/64338
 105         * config/i386/i386.c (ix86_expand_int_movcc): Don't reverse
 106         compare_code when it is unconditionally overwritten afterwards.
 107         Use ix86_reverse_condition instead of reverse_condition.  Don't
 108         change code if *reverse_condition* returned UNKNOWN and don't
 109         swap ct/cf and negate diff in that case.
 110
 111 2015-01-08  Mike Stump  <mikestump@comcast.net>
 112
 113         * tsan.c (pass_tsan::gate): Add no_sanitize_thread support.
 114         (pass_tsan_O0::gate): Likewise.
 115         * extend.texi (Function Attributes): Add no_sanitize_thread
 116         documentation.
 117
 118 2015-01-08  Thomas Schwinge  <thomas@codesourcery.com>
 119
 120         * builtins.def (DEF_GOMP_BUILTIN): Also consider flag_offload_abi
 121         for registering builtins.
 122         * config/i386/intelmic-mkoffload.c (prepare_target_image): Don't
 123         add -fopenmp to the argv_obstack used when invoking
 124         compile_for_target.
 125
 126         * config/i386/intelmic-mkoffload.c (compile_for_target): Always
 127         add "-m32" or "-m64" to argv_obstack.
 128         (generate_host_descr_file): Likewise, when invoking host_compiler.
 129         (main): Always add "-m elf_i386" or "-m elf_x86_64" when invoking
 130         ld.
 131
 132 2015-01-08  Oleg Endo  <olegendo@gcc.gnu.org>
 133
 134         * config/sh/sh-mem.cc: Use constant as second operand when emitting
 135         tstsi_t insns.
 136
 137 2015-01-08  Oleg Endo  <olegendo@gcc.gnu.org>
 138
 139         PR target/55212
 140         * config/sh/sh.md (*addsi3_compact): Emit reg-reg copy instead of
 141         constant load if constant operand fits into I08.
 142
 143 2015-01-08  Jakub Jelinek  <jakub@redhat.com>
 144
 145         PR sanitizer/64336
 146         * tree.c (build2_stat): Fix up initialization of TREE_READONLY
 147         and TREE_THIS_VOLATILE for MEM_REFs.
 148         (build5_stat): Fix up initialization of TREE_READONLY and
 149         TREE_THIS_VOLATILE for TARGET_MEM_REFs.
 150
 151 2015-01-08  Kaz Kojima  <kkojima@gcc.gnu.org>
 152
 153         PR target/64533
 154         * config/sh/sh.md (*addsi3_compact): Use u constraint instead
 155         of r for the second alternative of the destination operand.
 156
 157 2015-01-07  Segher Boessenkool  <segher@kernel.crashing.org>
 158
 159         PR target/36557
 160         * config/rs6000/rs6000.md (*eqsi3_ext<mode>, *nesi3_ext<mode>): New.
 161
 162 2015-01-07  Sandra Loosemore  <sandra@codesourcery.com>
 163
 164         * doc/invoke.texi ([-fvtable-verify]): Fix markup on option
 165         keywords.
 166         ([-fivar-visibility], [-fvisibility]): Likewise.
 167
 168 2015-01-07  Sandra Loosemore  <sandra@codesourcery.com>
 169
 170         * doc/invoke.texi: Fix incorrect uses of @samp markup throughout
 171         the file where @code, @command, etc is more appropriate.
 172
 173 2015-01-06  Sandra Loosemore  <sandra@codesourcery.com>
 174
 175         * doc/invoke.texi (RS/6000 and PowerPC Options): Tidy formatting
 176         of -mrecip= documentation.
 177
 178 2015-01-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
 179
 180         PR target/64505
 181         * config/rs6000/rs6000.c (rs6000_secondary_reload): Return the
 182         correct reload handler if -m32 -mpowerpc64 is used.
 183
 184 2015-01-06  Tom de Vries  <tom@codesourcery.com>
 185
 186         * tree-ssa-tail-merge.c: Fix typo in struct same_succ_def comment.
 187
 188 2015-01-08  Christian Bruel  <christian.bruel@st.com>
 189
 190         PR target/64507
 191         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Check 0 length.
 192
 193 2015-01-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 194
 195         PR tree-optimization/63259
 196         * tree-ssa-math-opts.c (pass_optimize_bswap::execute): Stop checking
 197         if optab exists for 16bit byteswap.
 198
 199 2015-01-06  Jakub Jelinek  <jakub@redhat.com>
 200
 201         * opts.c (common_handle_option): Add support for
 202         -fno-sanitize=all and -f{,no-}sanitize-recover=all.
 203         * doc/invoke.texi: Document -fno-sanitize=all,
 204         -f{,no-}sanitize-recover=all.  Document that
 205         -fsanitize=float-cast-overflow is not enabled
 206         by -fsanitize=undefined.  Fix up documentation
 207         of -f{,no-}sanitize-recover.
 208
 209 2015-01-06  Eric Botcazou  <ebotcazou@adacore.com>
 210
 211         * config.gcc: Add Visium support.
 212         * configure.ac: Likewise.
 213         * configure: Regenerate.
 214         * doc/extend.texi (interrupt attribute): Add Visium.
 215         * doc/invoke.texi: Document Visium options.
 216         * doc/install.texi: Document Visium target.
 217         * doc/md.texi: Document Visium constraints.
 218         * common/config/visium: New directory.
 219         * config/visium: Likewise.
 220
 221 2015-01-05  Segher Boessenkool  <segher@kernel.crashing.org>
 222
 223         * simplify-rtx.c (simplify_binary_operation_1): Handle more cases
 224         for the "(and X (ior (not X) Y) -> (and X Y)" transform.
 225
 226 2015-01-05  Segher Boessenkool  <segher@kernel.crashing.org>
 227
 228         * combine.c (combine_validate_cost): Do not count the cost of a
 229         split I2 twice.  Do not display it twice in the dump, either.
 230
 231 2015-01-05  Sandra Loosemore  <sandra@codesourcery.com>
 232
 233         Revert parts of r219199.
 234         * doc/invoke.texi ([-Wliteral-suffix]): Restore markup on
 235         <inttypes.h>.
 236         ([-Wtraditional]): Restore markup on <limits.h>.
 237
 238 2015-01-05  Trevor Saunders  <tsaunders@mozilla.com>
 239
 240         PR c++/31397
 241         * doc/invoke.texi: Document -Wsuggest-override.
 242
 243 2015-01-05  Radovan Obradovic  <radovan.obradovic@imgtec.com>
 244
 245         PR rtl-optimization/64287
 246         * toplev.c (HAVE_epilogue, HAVE_prologue): Provide default.
 247         (process_options): Disable flag_ipa_ra if profiling.
 248
 249 2015-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 250
 251         * config/nds32/nds32-peephole2.md: Do not mention define_peephole.
 252
 253 2015-01-05  Max Filippov  <jcmvbkbc@gmail.com>
 254
 255         * config/xtensa/xtensa.c (hwloop_optimize, hwloop_fail,
 256         hwloop_pattern_reg, xtensa_doloop_hooks, xtensa_reorg_loops):
 257         put under #if TARGET_LOOPS guard.
 258
 259 2015-01-05  Uros Bizjak  <ubizjak@gmail.com>
 260
 261         * config/i386/i386.c (output_387_binary_op): Use std::swap.
 262
 263 2015-01-05  Oleg Endo  <olegendo@gcc.gnu.org>
 264
 265         * rtlanal.c (refers_to_regno_p): Change return value from int to bool.
 266         * rtl.h (refers_to_regno_p): Add overload.
 267         * cse.c: Use it.
 268         * bt-load.c: Likewise.
 269         * combine.c: Likewise.
 270         * df-scan.c: Likewise.
 271         * sched-deps.c: Likewise.
 272         * config/s390/s390.c: Likewise.
 273         * config/m32r/m32r.c: Likewise.
 274         * config/rs6000/spe.md: Likewise.
 275         * config/rs6000/rs6000.c: Likewise.
 276         * config/pa/pa.c: Likewise.
 277         * config/stormy16/stormy16.c: Likewise.
 278         * config/cris/cris.c: Likewise.
 279         * config/arc/arc.md: Likewise.
 280         * config/arc/arc.c: Likewise.
 281         * config/sh/sh.md: Likewise.
 282         * config/sh/sh.c: Likewise.
 283         * config/frv/frv.c: Likewise.
 284
 285 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 286
 287         PR sanitizer/64265
 288         * gimplify.c (gimplify_function_tree): Add TSAN_FUNC_EXIT internal
 289         call as cleanup of the whole body.
 290         * internal-fn.def (TSAN_FUNC_EXIT): New internal call.
 291         * tsan.c (replace_func_exit): New function.
 292         (instrument_func_exit): Moved earlier.
 293         (instrument_memory_accesses): Adjust TSAN_FUNC_EXIT internal calls.
 294         Call instrument_func_exit if no TSAN_FUNC_EXIT internal calls have
 295         been found.
 296         (tsan_pass): Don't call instrument_func_exit.
 297         * internal-fn.c (expand_TSAN_FUNC_EXIT): New function.
 298         * tree-inline.c (copy_bb): Drop TSAN_FUNC_EXIT internal calls during
 299         inlining.
 300
 301         PR sanitizer/64344
 302         * ubsan.h (ubsan_instrument_float_cast): Add ARG argument.
 303         * ubsan.c (ubsan_instrument_float_cast): Add ARG argument, pass
 304         it to libubsan handler instead of EXPR.  Fold comparisons earlier,
 305         if the result is integer_zerop, return NULL_TREE.
 306         * convert.c (convert_to_integer): Pass expr as ARG.
 307
 308         PR tree-optimization/64465
 309         * tree-inline.c (redirect_all_calls): During inlining
 310         clean up EH stmts and EH edges if redirect_call_stmt_to_callee
 311         changed the stmt to a non-throwing call.
 312
 313 2015-01-05  Sandra Loosemore  <sandra@codesourcery.com>
 314
 315         * doc/invoke.texi: Fix incorrect uses of @code, @option, @samp,
 316         etc markup throughout the file.
 317
 318 2015-01-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 319
 320         Enable experimental TSAN support for Ada.
 321         * tsan.c (instrument_expr): Handle VIEW_CONVERT_EXPR.
 322
 323 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 324
 325         PR tree-optimization/64494
 326         * tree-ssa-loop-im.c (move_computations_dom_walker::before_dom): Also
 327         clear SSA_NAME_ANTI_RANGE_P flag.
 328
 329 2015-01-05  Marek Polacek  <polacek@redhat.com>
 330
 331         * doc/extend.texi (Arrays of Length Zero): Add missing comma.
 332
 333 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 334
 335         Update copyright years.
 336
 337         * gcc.c (process_command): Update copyright notice dates.
 338         * gcov-dump.c: Ditto.
 339         * gcov.c: Ditto.
 340         * doc/cpp.texi: Bump @copying's copyright year.
 341         * doc/cppinternals.texi: Ditto.
 342         * doc/gcc.texi: Ditto.
 343         * doc/gccint.texi: Ditto.
 344         * doc/gcov.texi: Ditto.
 345         * doc/install.texi: Ditto.
 346         * doc/invoke.texi: Ditto.
 347
 348         * auto-profile.c, auto-profile.h: Fix up Copyright line.
 349
 350 2015-01-04  Sandra Loosemore  <sandra@codesourcery.com>
 351
 352         * doc/invoke.texi ([-fsized-deallocation]): Copy-edit to fix
 353         verb tense, etc.
 354         ([-fvtable-verify], [-fvtv-debug]): Likewise.
 355         ([-Wabi]): Likewise.
 356         ([-fmessage-length]): Likewise.
 357         ([-Wsuggest-final-types], [-Wsuggest-final-methods]): Likewise.
 358         ([-Wno-discarded-qualifiers]): Likewise.
 359         ([-Wnodiscarded-array-qualifiers]): Likewise.
 360         ([-Wno-virtual-move-assign]): Likewise.
 361         ([-fsanitize=address], [-fsanitize=thread]): Likewise.
 362         ([-fsanitize=leak], [-fsanitize=undefined]): Likewise.
 363         ([-fsanitize=unreachable], [-fsanitize-recover]): Likewise.
 364         ([-fsanitize-undefined-trap-on-error]): Likewise.
 365         ([-floop-interchange]): Likewise.
 366         ([-ftree-coalesce-inlined-vars]): Likewise.
 367         ([-fvect-cost-model]): Likewise.
 368         ([-flto]): Likewise.
 369         ([--param]): Likewise.
 370         (Spec Files): Likewise.
 371         ([-mstrict-align]): Likewise.
 372         ([-mfix-cortex-a53-835769]): Likewise.
 373         ([-march], [-mtune]): Likewise.
 374         ([-mpic-register]): Likewise.
 375         ([-munaligned-access]): Likewise.
 376         ([-msp8]): Likewise.
 377         (EIND and Devices with more than 128 Ki Bytes of Flash): Likewise.
 378         (AVR Built-in Macros): Likewise.
 379         ([-mpreferred-stack-boundary]): Likewise.
 380         ([-mtune-crtl]): Likewise.
 381         ([-mashf]): Likewise.
 382         ([-mmcu=]): Likewise.
 383         ([-minrt]): Likewise.
 384         ([-maltivec], [-maltivec=be], [-maltivec=le]): Likewise.
 385         ([-mupper-regs]): Likewise.
 386         ([-matomic-model]): Likewise.
 387         ([-mdiv]): Likewise.
 388         ([-mzdcbranch]): Likewise.
 389         ([-mdisable-callt]): Likewise.
 390         ([-msoft-float]): Likewise.
 391         ([-m8byte-align]): Likewise.
 392         ([-fstack-reuse]): Likewise.
 393
 394 2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>
 395
 396         * doc/invoke.texi ([-fprofile-generate], [-fprofile-use]):
 397         Fix markup, light copy-editing.
 398         ([-fauto-profile]): Rewrite to fix formatting and content
 399         problems.
 400
 401 2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>
 402
 403         * doc/invoke.texi ([-fisolate-erroneous-paths-dereference]):
 404         Copy-edit description.
 405         ([-fisolate-erroneous-paths-attribute]): Likewise.
 406         * common.opt (fisolate-erroneous-paths-dereference):
 407         Copy-edit description.
 408         (fisolate-erroneous-paths-attribute): Likewise.
 409
 410 2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>
 411
 412         * doc/invoke.texi ([-fsemantic-interposition]): Fix typos and
 413         tidy grammar.
 414
 415 2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>
 416
 417         * doc/invoke.texi ([-fplan9-extensions]): Add/fix @opindex.
 418         ([-fvtv-debug]): Likewise.
 419         ([-Wc++-compat]): Likewise.
 420         ([-Wc++11-compat]): Likewise.
 421         ([-Wc++14-compat]): Likewise.
 422         ([-Wno-sized-deallocation]): Likewise.
 423         ([-femit-class-debug-always]): Likewise.
 424         ([-femit-struct-debug-detailed]): Likewise.
 425         ([-fno-keep-inline-dllexport]): Likewise.
 426         ([-fira-algorithm]): Likewise.
 427         ([-fira-region]): Likewise.
 428         ([-flra-remat]): Likewise.
 429         ([-fipa-ra]): Likewise.
 430         ([-fhoist-adjacent-loads]): Likewise.
 431         ([-fisolate-erroneous-paths-dereference]): Likewise.
 432         ([-fisolate-erroneous-paths-attribute]): Likewise.
 433         ([-ftree-switch-conversion]): Likewise.
 434         ([-ftree-tail-merge]): Likewise.
 435         ([-ftree-loop-if-convert]): Likewise.
 436         ([-ftree-loop-if-convert-stores]): Likewise.
 437         ([-ftree-loop-distribution]): Likewise.
 438         ([-ftree-loop-distribute-patterns]): Likewise.
 439         ([-flto-compression-level]): Likewise.
 440         ([-flto-report]): Likewise.
 441         ([-flto-report-wpa]): Likewise.
 442         ([-fuse-linker-plugin]): Likewise.
 443         ([-mfix-cortex-a53-835769]): Likewise.
 444         ([-mno-fix-cortex-a53-835769]): Likewise.
 445         ([-mmmx]...[-mno-3dnow]): Remove the -mno- forms from the
 446         explicit listing; add a note to the discussion indicating they
 447         exist.  Reorder table to group similar options.  Add missing
 448         @opindex entries.  Add @need commands throughout the table to
 449         allow it to be split across multiple pages.
 450         ([-m8bit-idiv]): Fix @opindex.
 451         ([-mavx256-split-unaligned-load]): Likewise.
 452         ([-mavx256-split-unaligned-store]): Likewise.
 453         ([-mstack-protector-guard]): Likewise.
 454         ([-mcpu=]): Likewise.
 455         ([-mcpu]): Likewise.
 456         ([-mpointer-size=]): Likewise.
 457
 458 2015-01-03  John David Anglin  <danglin@gcc.gnu.org>
 459
 460         * config/pa/pa.md (decrement_and_branch_until_zero): Use `Q' constraint
 461         instead of `m' constraint.  Likewise for unnamed movb comparison
 462         patterns using reg_before_reload_operand predicate.
 463         * config/pa/predicates.md (reg_before_reload_operand): Tighten
 464         predicate to reject register index and LO_SUM DLT memory forms
 465         after reload.
 466
 467 2015-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 468
 469         * doc/invoke.texi (Option Summary): Fix spelling of
 470         -fdevirtualize-at-ltrans.
 471         ([-fdevirtualize]): Fix markup.
 472         ([-fdevirtualize-speculatively]): Fix typo.
 473         ([-fdevirtualize-at-ltrans]): Likewise.  Make description less
 474         implementor-speaky.
 475         * common.opt (fdevirtualize-at-ltrans): Likewise.
 476         * ipa-devirt.c: Fix typos in comments throughout the file.
 477         (ipa_devirt): Fix typos in format strings for dump output.
 478
 479 2015-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 480
 481         * doc/invoke.texi ([-fopt-info]): Fix markup, consolidate
 482         discussion of defaults, light copy-editing.
 483
 484 2015-01-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 485
 486         * tsan.c (instrument_expr): corrected previous checkin.
 487
 488 2015-01-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 489
 490         Instrument bit field and unaligned accesses for TSAN.
 491         * sanitizer.def (BUILT_IN_TSAN_READ_RANGE): New built-in function.
 492         (BUILT_IN_TSAN_WRITE_RANGE): New built-in function.
 493         * tsan.c (instrument_expr): Handle COMPONENT_REF and BIT_FIELD_REF.
 494         Use BUILT_IN_TSAN_READ_RANGE and BUILT_IN_TSAN_WRITE_RANGE for
 495         unaligned memory regions.
 496
 497 2015-01-01  Anthony Green  <green@moxielogic.com>
 498
 499         * config/moxie/predicates.md (moxie_general_movsrc_operand):
 500         Restrict move source register offsets to 16 bits.
 501 \f
 502 Copyright (C) 2015 Free Software Foundation, Inc.
 503
 504 Copying and distribution of this file, with or without modification,
 505 are permitted in any medium without royalty provided the copyright
 506 notice and this notice are preserved.