gcc/ChangeLog

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