gcc/ChangeLog

   1 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
   2
   3         PR target/69010
   4         * expr.c (expand_expr_real_1): For boolean vector constants
   5         with a scalar mode use const_scalar_mask_from_tree.
   6         (const_scalar_mask_from_tree): New.
   7         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
   8         assigned to a mask type to handle constants.
   9
  10 2016-01-11  Martin Jambor  <mjambor@suse.cz>
  11
  12         PR ipa/69044
  13         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
  14         useless parameters if we cannot change function signature.
  15
  16 2016-01-11  Martin Jambor  <mjambor@suse.cz>
  17
  18         PR ipa/66616
  19         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
  20         flag.
  21
  22 2016-01-11  Tom de Vries  <tom@codesourcery.com>
  23
  24         PR tree-optimization/69109
  25         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
  26         latch with phi.
  27
  28 2016-01-11  Tom de Vries  <tom@codesourcery.com>
  29
  30         PR tree-optimization/69108
  31         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
  32         res is not used in a phi.
  33
  34 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
  35
  36         PR 67425
  37         * common.opt (frandom-seed): Fix parameter name.
  38         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
  39
  40 2016-01-11  Tom de Vries  <tom@codesourcery.com>
  41
  42         PR tree-optimization/69058
  43         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
  44         not supported.
  45
  46 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
  47
  48         * config/arc/arc.opt (mdiv-rem): Add period to the end.
  49         (mcode-density): Likewise.
  50
  51 2016-01-10  Tom de Vries  <tom@codesourcery.com>
  52
  53         PR tree-optimization/69062
  54         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
  55         (parallelize_loops): Don't paralelize loop that has phi with address
  56         arg.
  57
  58 2016-01-10  Tom de Vries  <tom@codesourcery.com>
  59
  60         PR tree-optimization/69039
  61         * tree-parloops.c (try_create_reduction_list): Only allow single exit
  62         phi for reduction.
  63
  64 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
  65
  66         PR middle-end/68743
  67         * match.pd: Require target has function_c99_misc before doing
  68         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
  69
  70 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
  71
  72         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
  73         use GMPINC.
  74         * configure: Regenerate.
  75
  76 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
  77
  78         PR middle-end/50865
  79         PR tree-optimization/69097
  80         * fold-const.h (expr_not_equal_to): New prototype.
  81         * fold-const.c: Include stringpool.h and tree-ssanames.h.
  82         (expr_not_equal_to): New function.
  83         * match.pd (X % -Y is the same as X % Y): Don't optimize
  84         unless X is known not to be equal to minimum or Y is known
  85         not to be equal to -1.
  86         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
  87         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
  88         (simplify_stmt_using_ranges): Adjust caller.
  89         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
  90         substitute_and_fold.
  91
  92 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
  93
  94         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
  95         w/o DECL_NAME.
  96
  97 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
  98
  99         PR tree-optimization/69167
 100         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
 101         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
 102         ops[0] comparison.
 103         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
 104
 105 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
 106             Richard Biener  <rguenther@suse.de>
 107
 108         PR tree-optimization/68707
 109         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
 110         instances that can be handled via vect_load_lanes.
 111
 112 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
 113
 114         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
 115         if we can't determine address equivalence.
 116         * alias.c (compare_base_decl): Update for changed return value of
 117         symtab_node::equal_address_to.
 118
 119 2016-01-08  Jason Merrill  <jason@redhat.com>
 120
 121         PR c++/68983
 122         PR c++/67557
 123         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
 124         * expr.c (store_field): Not here.
 125         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
 126         call with TREE_ADDRESSABLE type.
 127         * tree-cfg.c (verify_gimple_call): Adjust.
 128
 129 2016-01-08  Olivier Hainque  <hainque@adacore.com>
 130
 131         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
 132         libc_internal.
 133
 134 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
 135
 136         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
 137         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
 138         (reduc_smin_v2sf): Rename to...
 139         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
 140         (reduc_splus_v2sf): Rename to...
 141         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
 142
 143 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
 144
 145         PR tree-optimization/69162
 146         * gimplify.c (gimplify_va_arg_expr): Encode original type of
 147         valist argument in another argument.
 148         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
 149         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
 150         to determine the va_list type, build a MEM_REF instead of
 151         build_fold_indirect_ref.
 152
 153         PR tree-optimization/69172
 154         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
 155         gimple_build.
 156
 157 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 158
 159         PR tree-optimization/67781
 160         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
 161         and cmpnop in two steps: first the ones not accessed in original
 162         gimple expression in a endian independent way and then the ones not
 163         accessed in the final result in an endian-specific way.
 164
 165 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
 166
 167         PR tree-optimization/69083
 168         * tree-vect-slp.c (vect_get_constant_vectors): For
 169         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
 170         element type.  If op is fold_convertible_p to vector_type's element
 171         type, use NOP_EXPR instead of VCE.
 172
 173 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
 174
 175         PR rtl-optimization/67778
 176         PR rtl-optimization/68634
 177         PR rtl-optimization/68909
 178         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
 179         block from the stack until done with it.  Remove a superfluous
 180         bitmap set.  Remove a superfluous bitmap test.
 181
 182 2016-01-07  Martin Sebor  <msebor@redhat.com>
 183
 184         PR c/68966
 185         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
 186         constraint on the type of arguments.
 187
 188 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
 189
 190         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
 191         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
 192         unaligned_access on the gcc_options set.
 193         * config/arm/arm.c (arm_option_override_internal): Use
 194         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
 195
 196 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
 197
 198         PR target/69140
 199         * config/i386/i386.c (ix86_frame_pointer_required): Enable
 200         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
 201
 202 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
 203
 204         Revert
 205         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
 206
 207         PR target/69140
 208         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
 209         depending on frame_pointer_needed before remaining integer and SSE
 210         registers are saved.
 211
 212 2016-01-07  Sandra Loosemore <sandra@codesourcery.com>
 213
 214         PR 1078
 215         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
 216
 217 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 218
 219         PR target/69171
 220         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
 221         Use the "xBm" constraint.
 222         (float<sseintvecmodelower><mode>2<mask_name><round_name):
 223         Likewise.
 224         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
 225         (sse_cvtsi2ssq<round_name>): Likewise.
 226         (sse_cvtss2si<round_name>): Likewise.
 227         (sse_cvtss2siq<round_name>): Likewise.
 228         (sse2_cvtsi2sdq<round_name>): Likewise.
 229         (sse2_cvtsd2si<round_name>): Likewise.
 230         (sse2_cvtsd2siq<round_name>): Likewise.
 231         * config/i386/subst.md (round_nimm_scalar_predicate): New
 232         predicate.
 233
 234 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
 235
 236         PR middle-end/67639
 237         * varasm.c (make_decl_rtl): Mark invalid register vars as
 238         DECL_EXTERNAL.
 239
 240         PR rtl-optimization/66206
 241         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
 242         All callers changed.
 243
 244 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
 245
 246         PR tree-optimization/69141
 247         * tree-ssa-pre.c: Include langhooks.h.
 248         (eliminate_dom_walker::before_dom_children): Use
 249         lang_hooks.decl_printable_name instead of
 250         cgraph_node::get ()->name ().
 251
 252         PR middle-end/68960
 253         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
 254         it and DECL_ALIGN too.
 255
 256 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
 257
 258         * config/mips/mips-ftypes.def: Sort to lexicographical order.
 259
 260 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
 261
 262         PR target/69140
 263         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
 264         depending on frame_pointer_needed before remaining integer and SSE
 265         registers are saved.
 266
 267 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 268
 269         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
 270         mode iterator with VSX_M2.
 271         (*p9_vecstore_<mode>): Likewise.
 272         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
 273         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
 274         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
 275         (define_split for VSX_LE128 stores): Likewise.
 276         (define_peephole2 for TImode LE swaps): Likewise.
 277         (define_split for VSX_LE128 post-reload stores): Likewise.
 278
 279 2016-01-06  Marek Polacek  <polacek@redhat.com>
 280
 281         PR sanitizer/69099
 282         * convert.c (convert_to_integer_1): Adjust call to
 283         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
 284         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
 285         EXPR instead of ARG.
 286         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
 287
 288 2016-01-05  Sandra Loosemore <sandra@codesourcery.com>
 289
 290         PR 1078
 291         * doc/extend.texi (RL78 Variable Attributes): New section.
 292
 293 2016-01-05  Marek Polacek  <polacek@redhat.com>
 294
 295         PR c/69104
 296         * builtins.c (get_memmodel): Use expansion point location rather than
 297         the input location.  Call warning_at rather than warning.
 298         (expand_builtin_atomic_compare_exchange): Likewise.
 299         (expand_builtin_atomic_load): Likewise.
 300         (expand_builtin_atomic_store): Likewise.
 301         (expand_builtin_atomic_clear): Likewise.
 302
 303 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
 304
 305         PR target/68991
 306         * config/i386/i386.c (ix86_expand_vector_logical_operator):
 307         Replace nonimmediate_operand with vector_operand.
 308         * config/i386/predicates.md (vector_operand): New predicate.
 309         (general_vector_operand): Replace nonimmediate_operand with
 310         vector_operand.
 311         * config/i386/sse.md: Replace nonimmediate_operand with
 312         vector_operand and m constraint with Bm constraint on SSE
 313         patterns with 16-byte memory operand.
 314         * config/i386/subst.md (round_nimm_predicate): Replace
 315         nonimmediate_operand with vector_operand.
 316         (round_saeonly_nimm_predicate): Likewise.
 317         (round_saeonly_nimm_scalar_predicate): New.
 318
 319 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
 320
 321         PR target/68991
 322         * config/i386/constraints.md (Bm): New constraint.
 323         * config/i386/predicates.md (vector_memory_operand): New
 324         predicate.
 325         * config/i386/sse.md: Replace xm with xBm in plusminus and
 326         any_logic patterns.
 327
 328 2016-01-05  Sandra Loosemore <sandra@codesourcery.com>
 329
 330         PR 1078
 331         * doc/extend.texi (V850 Function Attributes): New section.
 332         (V850 Variable Attributes): New section.
 333
 334 2016-01-05  Sandra Loosemore <sandra@codesourcery.com>
 335
 336         PR 1078
 337         * doc/extend.texi (MicroBlaze Function Attributes): Document
 338         interrupt_handler and fast_interrupt attributes.
 339
 340 2016-01-05  Sergei Trofimovich <siarheit@google.com>
 341
 342         PR other/60465
 343         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
 344         for local symbolic operands.
 345         * config/ia64/predicates.md (local_symbolic_operand64): New
 346         predicate.
 347
 348 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 349
 350         PR rtl-optimization/68651
 351         * combine.c (combine_simplify_rtx): Canonicalize x + x into
 352         x << 1.
 353
 354 2016-01-05  Nathan Sidwell  <nathan@acm.org>
 355
 356         * alias.c (compare_base_decls): Use symtab_node::get.
 357
 358 2016-01-05  Nick Clifton  <nickc@redhat.com>
 359
 360         PR target/68770
 361         * ira-costs.c (copy_cost): Initialise the t_icode field of the
 362         secondary_reload_info structure.
 363
 364         PR target/66655
 365         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
 366         decls if weak support is available.
 367
 368 2016-01-04  Martin Sebor  <msebor@redhat.com>
 369
 370         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
 371
 372 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
 373
 374         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
 375         OPTION_MASK_P9_DFORM.
 376
 377         * config/rs6000/constraints.md (wo constraint): New constraint for
 378         ISA 3.0 (power9).
 379
 380         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
 381         for wo constraint.
 382         (rs6000_init_hard_regno_mode_ok): Likewise.
 383
 384         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
 385         wo constraint.
 386
 387         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
 388         expanders not to have constraints.  Add support for ISA 3.0 xxperm
 389         instruction.  Add support for fusing xxlor with xxperm.
 390         (altivec_vperm_<mode>_internal): Likewise.
 391         (altivec_vperm_v8hiv16qi): Likewise.
 392         (altivec_vperm_<mode>v16q): Likewise.
 393         (altivec_vperm_<mode>_uns): Likewise.
 394         (vperm_v8hiv4si): Likewise.
 395         (vperm_v16qiv8hi): Likewise.
 396
 397         * doc/md.texi (RS/6000 constraints): Document wo constraint.
 398
 399 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
 400
 401         Update copyright years.
 402
 403         * gcc.c (process_command): Update copyright notice dates.
 404         * gcov-dump.c (print_version): Ditto.
 405         * gcov.c (print_version): Ditto.
 406         * gcov-tool.c (print_version): Ditto.
 407         * gengtype.c (create_file): Ditto.
 408         * doc/cpp.texi: Bump @copying's copyright year.
 409         * doc/cppinternals.texi: Ditto.
 410         * doc/gcc.texi: Ditto.
 411         * doc/gccint.texi: Ditto.
 412         * doc/gcov.texi: Ditto.
 413         * doc/install.texi: Ditto.
 414         * doc/invoke.texi: Ditto.
 415
 416 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 417
 418         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
 419         modes larger than TImode as TImode if NEON is not enabled.
 420
 421 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 422
 423         PR target/69100
 424         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
 425         mode for %f0-%f31 only if TARGET_FPU.
 426
 427 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 428
 429         PR target/69072
 430         * config/sparc/sparc.c (scan_record_type): Take into account subfields
 431         to compute the PACKED_P predicate.
 432         (function_arg_record_value): Minor tweaks.
 433
 434 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 435
 436         * doc/install.texi (--with-multilib-list): Describe the meaning of the
 437         option for arm*-*-* targets.
 438
 439 2016-01-03  Sandra Loosemore <sandra@codesourcery.com>
 440
 441         * doc/extend.texi (Common Function Attributes): Move docs for
 442         MSP430-specific attributes to....
 443         (MSP430 Function Attributes): ...here.  Delete the redundant
 444         entries and copy-edit the remaining text.
 445         (MSP430 Variable Attributes): Use uniform format for index
 446         entries and add a cross-reference to the corresponding function
 447         attribute docs.
 448
 449 2016-01-03  Vladimír Čunát <vcunat@gmail.com>
 450
 451         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
 452         -finite-math typo.
 453         (x86 Options): Likewise.
 454
 455 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
 456
 457         PR 1078
 458
 459         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
 460         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
 461         to corresponding attribute.
 462
 463 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
 464
 465         * doc/extend.texi (Common Function Attributes) <noplt>: Move
 466         to correct alphabetization of table.  Copy-edit and correct
 467         markup.
 468         <stack_protect>: Likewise.
 469         <target_clones>: Likewise.
 470         <simd>: Likewise.
 471         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
 472         Correct punctuation.
 473         (Code Gen Options) <-fno-plt>: Copy-edit.
 474
 475 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 476
 477         PR target/68917
 478         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
 479         SI values.  Explicitly convert SI to DI and vice-versa.
 480
 481 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
 482
 483         PR tree-optimization/69070
 484         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
 485         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
 486
 487         PR sanitizer/69055
 488         * ubsan.c (ubsan_instrument_float_cast): Call
 489         initialize_sanitizer_builtins.
 490
 491         PR target/69015
 492         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
 493 \f
 494 Copyright (C) 2016 Free Software Foundation, Inc.
 495
 496 Copying and distribution of this file, with or without modification,
 497 are permitted in any medium without royalty provided the copyright
 498 notice and this notice are preserved.