gcc/ChangeLog

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