gcc/ChangeLog

   1 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
   2
   3         PR tree-optimization/81089
   4         * tree-vrp.c (is_masked_range_test): Validate operands of
   5         subexpression.
   6
   7 2017-06-15  Martin Sebor  <msebor@redhat.com>
   8
   9         PR c++/80560
  10         * dumpfile.c (dump_register): Avoid calling memset to initialize
  11         a class with a default ctor.
  12         * gcc.c (struct compiler): Remove const qualification.
  13         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
  14         * hash-table.h: Ditto.
  15         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
  16           assignment.
  17         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
  18         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
  19         default ctor.
  20         * params.h (struct param_info): Make struct members non-const.
  21         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
  22         with default initialization.
  23         * vec.h (vec_copy_construct, vec_default_construct): New helper
  24         functions.
  25         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
  26         with vec_copy_construct.
  27         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
  28         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
  29         * doc/invoke.texi (-Wclass-memaccess): Document.
  30
  31 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
  32
  33         * emit-rtl.h (is_leaf): Update comment about local
  34         register allocator.
  35
  36 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
  37
  38         PR target/78818
  39         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
  40         for a variable to have a section before checking if the section has a
  41         name.
  42         Set section to.persistent if persistent attribute is set.
  43         Warn if .persistent attribute is used on an automatic variable.
  44
  45 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
  46
  47         PR rtl-optimization/80474
  48         * reorg.c (update_block): Do not ignore instructions in a delay slot.
  49
  50 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
  51
  52         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
  53         of REGNO.
  54
  55 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
  56
  57         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
  58         (casesi): Emit bounds checking as RTL.
  59         (casesi_internal_mips16_<mode>): Remove bounds checking.
  60
  61 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
  62
  63         * config/xtensa/xtensa.c (xtensa_option_override): Append
  64         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
  65         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
  66          xtensa_doloop_hooks): Define unconditionally.
  67         (xtensa_reorg_loops): Only call reorg_loops in the presence of
  68         TARGET_LOOPS.
  69         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
  70         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
  71         for it in xtensa_option_override.
  72         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
  73          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
  74
  75 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
  76
  77         * doc/cppopts.texi: Document '-' special value to -MF.
  78
  79 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
  80
  81         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
  82         (cortex_a53_fconst): Likewise.
  83         (cortex_a53_fpmul): Likewise.
  84         (cortex_a53_f_load_64): Likewise.
  85         (cortex_a53_f_load_many): Likewise.
  86         (cortex_a53_advsimd_alu): Likewise.
  87         (cortex_a53_advsimd_alu_q): Likewise.
  88         (cortex_a53_advsimd_mul): Likewise.
  89         (cortex_a53_advsimd_mul_q): Likewise.
  90         (fpmac bypass): Add new bypass for fpmac-fpmac case.
  91         Add missing fmul, r2f_cvt and fconst cases.
  92
  93 2017-06-14  Richard Biener  <rguenther@suse.de>
  94
  95         PR middle-end/81088
  96         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
  97         literal constants.
  98         (fold_binary_loc): When associating do not treat pre-existing
  99         TREE_OVERFLOW on literal constants as a reason to allow
 100         TREE_OVERFLOW on associated literal constants.
 101
 102 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
 103
 104         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
 105         (MASK_FEATURES): New macro.
 106         * config/sparc/sparc.c (sparc_option_override): Remove the special
 107         handling of -mfpu and generalize it to all MASK_FEATURES switches.
 108
 109 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
 110
 111         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
 112         a division of 0 if non-call exceptions are enabled.
 113
 114 2017-06-14  Andrew Pinski  <apinski@cavium.com>
 115             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
 116
 117         PR target/71663
 118         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 119         Improve vector initialization code gen for only variable case.
 120
 121 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
 122
 123         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
 124
 125 2017-06-14  Richard Biener  <rguenther@suse.de>
 126
 127         PR tree-optimization/81083
 128         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
 129         as values.
 130
 131 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 132
 133         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
 134         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
 135         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
 136         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
 137         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
 138         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
 139
 140 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 141
 142         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
 143         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
 144
 145 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 146
 147         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
 148
 149 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 150
 151         * config/rs6000/t-rtems: Don't handle SPE.
 152
 153 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 154
 155         * config/rs6000/t-linux: Don't handle SPE.
 156
 157 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 158
 159         * config/rs6000/eabispe.h: Delete file.
 160
 161 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 162
 163         * config/rs6000/t-spe: Delete file.
 164
 165 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 166
 167         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
 168         (rs6000_legitimate_offset_address_p): Return false for anything in
 169         V2SImode or V2SFmode.
 170
 171 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
 172
 173         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
 174         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
 175         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
 176         and V4HImode.
 177         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
 178         (rs6000_legitimate_offset_address_p): Ditto.
 179         (rs6000_emit_move): Ditto.
 180         (rs6000_init_builtins): Remove V4HI_type_node.
 181
 182 2017-06-13  Martin Liska  <mliska@suse.cz>
 183
 184         PR sanitize/78204
 185         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
 186         (gate_asan): Likewise.
 187         * asan.h (asan_no_sanitize_address_p): Remove the function.
 188         (sanitize_flags_p): New function.
 189         * builtins.def: Fix coding style.
 190         * common.opt: Use renamed enum value.
 191         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
 192         * doc/extend.texi: Document no_sanitize attribute.
 193         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
 194         to SANITIZE_UNDEFINED_NONDEFAULT.
 195         * gcc.c (sanitize_spec_function): Use the renamed enum value.
 196         * gimple-fold.c (optimize_atomic_compare_exchange_p):
 197         Use sanitize_flags_p.
 198         * gimplify.c (gimplify_function_tree): Likewise.
 199         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
 200         * opts.c (parse_no_sanitize_attribute): New function.
 201         (common_handle_option): Use renamed enum value.
 202         * opts.h (parse_no_sanitize_attribute): Declare.
 203         * tree.c (sanitize_flags_p): New function.
 204         * tree.h: Declared here.
 205         * tsan.c: Use sanitize_flags_p.
 206         * ubsan.c (ubsan_expand_null_ifn): Likewise.
 207         (instrument_mem_ref): Likewise.
 208         (instrument_bool_enum_load): Likewise.
 209         (do_ubsan_in_current_function): Remove the function.
 210         (pass_ubsan::execute): Use sanitize_flags_p.
 211         * ubsan.h: Remove do_ubsan_in_current_function
 212         * tree-cfg.c (print_no_sanitize_attr_value): New function.
 213         (dump_function_to_file): Use it here.
 214
 215 2017-06-13  Martin Jambor  <mjambor@suse.cz>
 216
 217         PR tree-optimization/80803
 218         PR tree-optimization/81063
 219         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
 220         (propagate_subaccesses_across_link): Enqueue subtree whenever
 221         necessary instead of relying on the caller.
 222
 223 2017-06-13  Martin Jambor  <mjambor@suse.cz>
 224
 225         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
 226         that have a first_link.
 227         (sort_and_splice_var_accesses): Do not check first_link before
 228         enquing.
 229         (subtree_mark_written_and_enqueue): Likewise.
 230         (propagate_all_subaccesses): Likewise and do not stop at first
 231         parent with a first_link.
 232
 233 2017-06-13  Martin Jambor  <mjambor@suse.cz>
 234
 235         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
 236         instead of f.
 237
 238 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
 239
 240         * match.pd: New pattern.
 241
 242 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
 243
 244         * tree-vrp.c (is_masked_range_test): New function.
 245         (register_edge_assert_for): Determine ranges for
 246         some bit tests.
 247
 248 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
 249
 250         PR tree-optimization/67328
 251         * fold-const.c (maskable_range_p): New function.
 252         (build_range_check): Generate bittests if possible.
 253
 254 2017-06-13  Martin Liska  <mliska@suse.cz>
 255
 256         * gimple-pretty-print.c (dump_probability): Add new argument.
 257         (dump_edge_probability): Dump both probability and count.
 258         (dump_gimple_label): Likewise.
 259         (dump_gimple_bb_header): Likewise.
 260
 261 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
 262
 263         PR target/81072
 264         * config/avr/avr-devices.c: Fix indentation.
 265         * config/avr/gen-avr-mmcu-specs.c: Dito.
 266
 267 2017-06-13  Richard Biener  <rguenther@suse.de>
 268
 269         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
 270         instead get vector type from stmt_info.
 271         (vectorizable_reduction): Adjust.  Remove dead code.
 272
 273 2017-06-13  Richard Biener  <rguenther@suse.de>
 274
 275         PR middle-end/81065
 276         * fold-const.c (extract_muldiv_1): Remove bogus distribution
 277         case of C * (x * C2 + C3).
 278         (fold_addr_of_array_ref_difference): Properly fold index difference.
 279
 280 2017-06-12  David S. Miller  <davem@davemloft.net>
 281
 282         PR target/80968
 283         * config/sparc/sparc.md (return expander): Emit frame blockage if
 284         function uses alloca.
 285
 286 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
 287
 288         * combine.c (make_field_assignment): Check len rather than the mode
 289         precision when calling force_to_mode.
 290
 291 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
 292
 293         Support multilibs and devices that see flash in RAM address range.
 294
 295         PR target/81072
 296         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
 297         (avr_mcu_t) <flash_pm_offset>: New field.
 298         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
 299         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
 300         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
 301         (AVR_TINY_PM_OFFSET): Remove macro.
 302         * config/avr/avr.opt (-mshort-calls): New option.
 303         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
 304         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
 305         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
 306         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
 307         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
 308         instead of avr_arch->have_jmp_call.
 309         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
 310         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
 311         avr_arch->flash_pm_offset to define.
 312         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
 313         new field flash_pm_offset.  Add entry for avrxmega3.
 314         (avr_texinfo): Add entry for avrxmega3.
 315         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
 316         attiny212, attiny214,
 317         attiny412, attiny414, attiny416, attiny417,
 318         attiny814, attiny816, attiny817,
 319         attiny1614, attiny1616, attiny1617,
 320         attiny3214, attiny3216, attiny3217.
 321         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
 322         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
 323         (avr_print_operand_address) [AVR_TINY]: Same.
 324         (avr_asm_init_sections) <readonly_data_section>: Only patch
 325         callback if avr_arch->flash_pm_offset = 0.
 326         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
 327         for rodata if avr_arch->flash_pm_offset != 0.
 328         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
 329         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
 330         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
 331         (m_options): Append opt_rcall.
 332         (m_dirnames): Append dir_rcall.
 333         * config/avr/t-multilib: Regenerate.
 334
 335         * configure.ac [target=avr]: Check whether avrxmega3 default
 336         linker description file works as needed.
 337         * configure: Regenerate.
 338         * doc/avr-mmcu.texi: Regenerate.
 339         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
 340         <__AVR_ARCH__>: Document avrxmega3 and 103.
 341         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
 342         <__AVR_SHORT_CALLS__>: Document it.
 343         <__AVR_PM_BASE_ADDRESS__>: Document it.
 344         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
 345         (AVR Variable Attributes) <progmem>: Document this is
 346         not needed for avrxmega3.
 347         (AVR Named Address Spaces) <__flash>: Dito.
 348
 349 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
 350
 351         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
 352
 353 2017-06-12  Doug Rupp  <rupp@adacore.com>
 354
 355         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
 356         Append vxworks-stdint.h to the tm_file list.
 357         * config/vxworks-stdint.h: New file.
 358
 359 2017-06-12  Martin Liska  <mliska@suse.cz>
 360
 361         PR tree-optimization/81041
 362         * tree-profile.c (gimple_gen_ic_func_profiler):
 363         Create an extra BB in profile-generate
 364         (gimple_gen_time_profiler): Likewise.
 365
 366 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
 367
 368         PR tree-optimization/81003
 369         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
 370         (update_range_test): Use it instead of force_gimple_operand_gsi.
 371
 372 2017-06-12  Richard Biener  <rguenther@suse.de>
 373
 374         PR tree-optimization/81053
 375         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
 376         with backedge value not defined in loop.  Simplify def stmt
 377         compute.
 378
 379 2017-06-11  Tom de Vries  <tom@codesourcery.com>
 380
 381         PR target/79939
 382         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
 383         Return true.
 384         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
 385         nvptx_cannot_force_const_mem.
 386
 387 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
 388
 389         * opts.c (finish_options): Move test for flag_split_stack after
 390         it has been initialized.
 391
 392 2017-06-11  Jason Merrill  <jason@redhat.com>
 393
 394         * tree.h (id_equal): New.
 395         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
 396         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
 397         instead of strcmp of IDENTIFIER_POINTER.
 398
 399 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
 400
 401         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
 402         (mark_all_inlined_calls_cdtor): Fix formating.
 403         (inline_transform): Rescale profile before inlining.
 404
 405 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
 406
 407         * cgraph.h (cgraph_edge::clone): Update prototype.
 408         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
 409         (cgraph_node::create_clone): Update.
 410         (cgraph_node::create_version_clone): Update.
 411         * tree-inline.c (copy_bb): Update.
 412         (expand_call_inline): Update.
 413
 414 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
 415
 416         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
 417         factored out from ...
 418         (rs6000_emit_prologue): ... here.
 419
 420 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
 421
 422         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
 423         factored out from ...
 424         (rs6000_emit_prologue): ... here.
 425
 426 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
 427
 428         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
 429         edge counts.
 430         (handle_missing_profiles): Fix computation of tp_first_run.
 431         (counts_to_freqs): Do not touch freqs when count is 0.
 432
 433 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
 434
 435         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
 436         profile.
 437
 438 2017-06-10  Tom de Vries  <tom@codesourcery.com>
 439
 440         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
 441         attributes): Document signal effective target.
 442
 443 2017-06-10  Tom de Vries  <tom@codesourcery.com>
 444
 445         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
 446         Document effective target stack_size.
 447
 448 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
 449
 450         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
 451         to the edit_context if they can be auto-applied.
 452
 453 2017-06-9  Ian Lance Taylor  <iant@golang.org>
 454
 455         * opts.c (finish_options): If -fsplit-stack, disable implicit
 456         -forder-blocks-and-partition.
 457         * doc/invoke.texi (Optimize Options): Document that when using
 458         -fsplit-stack -forder-blocks-and-partition is not implicitly
 459         enabled.
 460
 461 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
 462
 463         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
 464         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
 465         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
 466         * builtins.def (abort, trap, unreachable): Declare cold.
 467         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
 468         * tree-core.h (ECF_COLD): New.
 469         * tree.c (set_call_expr_flags): Handle ECF_COLD.
 470         (build_common_builtin_nodes): Mark unreachable and abort as cold.
 471
 472 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
 473
 474         * predict.c (unlikely_executed_stmt_p): Cleanup.
 475
 476 2017-06-09  Richard Biener  <rguenther@suse.de>
 477
 478         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
 479         model if the ref is always written to.
 480
 481 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
 482
 483         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
 484
 485 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
 486
 487         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
 488         than udiv.
 489
 490 2017-06-09  Tom de Vries  <tom@codesourcery.com>
 491
 492         PR target/80855
 493         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
 494         "target cannot support label values" when encountering LABEL_REF.
 495
 496 2017-06-09  Martin Liska  <mliska@suse.cz>
 497
 498         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
 499         (gimple_gen_ic_func_profiler): Emit direct comparison
 500         of __gcov_indirect_call_callee with NULL.
 501         (gimple_gen_time_profiler): Change probability from
 502         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
 503
 504 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
 505
 506         * profile.c (edge_gcov_counts): Turn to pointer.
 507         (compute_branch_probabilities, compute_branch_probabilities): Update.
 508         (branch_prob): Do not clear edge_gcov_count.
 509         * profile.h (edge_gcov_counts): Turn to pointer.
 510         (edge_gcov_count): Update.
 511
 512 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
 513
 514         * gimple.h (gimple_check_failed): Mark cold.
 515
 516 2017-06-09  Richard Biener  <rguenther@suse.de>
 517
 518         PR tree-optimization/66623
 519         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
 520         refactor check_reduction into two parts, properly computing
 521         whether we have to check reduction validity for outer loop
 522         vectorization.
 523
 524 2017-06-09  Richard Biener  <rguenther@suse.de>
 525
 526         PR tree-optimization/79483
 527         * graphite-scop-detection.c (order): New global.
 528         (get_order): Compute bb to order mapping that satisfies code
 529         generation constraints.
 530         (cmp_pbbs): New helper.
 531         (build_scops): Start domwalk at entry block, sort generated
 532         pbbs.
 533
 534 2017-06-09  Richard Biener  <rguenther@suse.de>
 535
 536         PR middle-end/81007
 537         * ipa-polymorphic-call.c
 538         (ipa_polymorphic_call_context::restrict_to_inner_class):
 539         Skip FIELD_DECLs with error_mark_node type.
 540         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
 541         last again.
 542
 543 2017-06-09  Martin Liska  <mliska@suse.cz>
 544
 545         * predict.c (struct branch_predictor): New struct.
 546         (test_prediction_value_range): New test.
 547         (predict_c_tests): New function.
 548         * selftest-run-tests.c (selftest::run_tests): Run the function.
 549         * selftest.h: Declare new tests.
 550
 551 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
 552
 553         PR target/80966
 554         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
 555         gen_add3_insn did not fail.
 556         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
 557         r0, construct that number in a temporary reg and add that reg to r0.
 558         If asked to put the result in r0 as well, fail.
 559
 560 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
 561
 562         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
 563         for early expansion of vec_eqv.
 564
 565 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
 566
 567         PR middle-end/81005
 568         * ubsan.c (instrument_null): Avoid pointless code temporary.
 569         (pass_ubsan::execute): Instrument aggregate arguments of calls.
 570
 571 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
 572
 573         PR target/81015
 574         Revert:
 575         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
 576
 577         PR target/59874
 578         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
 579         (*clzhi2): Ditto.
 580
 581 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 582
 583         * predict.c (unlikely_executed_edge_p): Move ahead.
 584         (probably_never_executed_edge_p): Use it.
 585
 586 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 587
 588         PR middle-end/79988
 589         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
 590         gimple_call_builtin_p call.
 591
 592 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 593
 594         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
 595         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
 596         rtl_check_failed_type2, rtl_check_failed_code1,
 597         rtl_check_failed_code2, rtl_check_failed_code_mode,
 598         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
 599         rtvec_check_failed_bounds, rtl_check_failed_flag,
 600         _fatal_insn_not_found, _fatal_insn): Likewise.
 601         * tree.h (tree_contains_struct_check_failed,
 602         tree_check_failed, tree_not_check_failed,
 603         tree_class_check_failed, tree_range_check_failed,
 604         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
 605         tree_vec_elt_check_failed, phi_node_elt_check_failed,
 606         tree_operand_check_failed, omp_clause_check_failed,
 607         omp_clause_operand_check_failed, omp_clause_range_check_failed):
 608         Likewise.
 609
 610 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 611
 612         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
 613         flag_branch_probabilities.
 614         * ipa-inline.c (edge_badness): Likewise.
 615         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
 616         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
 617         * predict.c (maybe_hot_frequency_p): Likewise.
 618         (probably_never_executed): Likewise.
 619         * sched-ebb.c (schedule_ebbs): Likewise.
 620         * sched-rgn.c (find_single_block_region): Likewise.
 621         * tracer.c (tail_duplicate): Likewise.
 622
 623 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 624
 625         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
 626         longer requires x_flag_profile_use.
 627
 628 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 629
 630         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
 631         instead of flag_reorder_blocks_and_partition.
 632         * dbxout.c (dbxout_function_end): Likewise.
 633         * dwarf2out.c (gen_subprogram_die): Likewise.
 634         * haifa-sched.c (sched_create_recovery_edges): Likewise.
 635         * hw-doloop.c (reorg_loops): Likewise.
 636         * varasm.c (assemble_start_function,
 637         assemble_end_function): Likewise.
 638         (decide_function_section): Do not check for
 639         flag_reorder_blocks_and_partition.
 640
 641 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 642
 643         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
 644         New function.
 645         (chkp_get_hard_register_fake_addr_expr): Ditto.
 646         (chkp_build_addr_expr): Add check for hard reg case.
 647         (chkp_parse_array_and_component_ref): Ditto.
 648         (chkp_find_bounds_1): Ditto.
 649         (chkp_process_stmt): Don't generate bounds store for
 650         hard reg case.
 651
 652 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 653
 654         * predict.c (maybe_hot_bb_p): Do not check profile status.
 655         (maybe_hot_edge_p): Likewise.
 656         (probably_never_executed): Check for zero counts even if profile
 657         is not read.
 658         (unlikely_executed_edge_p): New function.
 659         (unlikely_executed_stmt_p): New function.
 660         (unlikely_executed_bb_p): New function.
 661         (set_even_probabilities): Use unlikely predicates.
 662         (combine_predictions_for_bb): Likewise.
 663         (predict_paths_for_bb): Likewise.
 664         (predict_paths_leading_to_edge): Likewise.
 665         (determine_unlikely_bbs): New function.
 666         (estimate_bb_frequencies): Use it.
 667         (compute_function_frequency): Use zero counts even if profile is
 668         not read.
 669         * profile-count.h: Fix typo.
 670
 671 2017-08-08  Julia Koval  <julia.koval@intel.com>
 672
 673         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
 674         _mm512_mask_cvtsepi16_storeu_epi8,
 675         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
 676         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
 677         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
 678         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
 679         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
 680         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
 681         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
 682         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
 683         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
 684         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
 685         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
 686         __builtin_ia32_pmovuswb256mem_mask,
 687         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
 688         __builtin_ia32_pmovwb512mem_mask): New builtins.
 689
 690 2017-08-08  Julia Koval  <julia.koval@intel.com>
 691
 692         PR target/73350,80862
 693         * config/i386/subst.md (round): Fix round pattern.
 694         * config/i386/i386.c (ix86_erase_embedded_rounding):
 695         Fix erasing rounding for the fixed pattern.
 696
 697 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
 698
 699         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
 700
 701 2017-06-08  Martin Liska  <mliska@suse.cz>
 702
 703         PR gcov-profile/80911
 704         * gcov.c (block_info::block_info): New constructor.
 705
 706 2017-06-07  Carl Love  <cel@us.ibm.com>
 707
 708         * config/rs6000/rs6000-c: The return type of the following
 709         built-in functions was implemented as int not long long.  Fix sign
 710         of return value for the unsigned version of vec_mulo and vec_mule.
 711         vector unsigned long long vec_bperm (vector unsigned long long,
 712                                              vector unsigned char)
 713         vector signed long long vec_mule (vector signed int,
 714                                           vector signed int)
 715         vector unsigned long long vec_mule (vector unsigned int,
 716                                             vector unsigned int)
 717         vector signed long long vec_mulo (vector signed int,
 718                                           vector signed int)
 719         vector unsigned long long vec_mulo (vector unsigned int,
 720                                             vector unsigned int)
 721         * doc/extend.texi: Fix the documentation for the built-in
 722         functions.
 723
 724 2017-06-07  Carl Love  <cel@us.ibm.com>
 725
 726         PR target/80982
 727         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
 728         for BE.
 729
 730 2017-06-07  Carl Love  <cel@us.ibm.com>
 731
 732         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
 733         support, Generate       doublehv for signed int/float for BE case only.
 734
 735 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
 736
 737         * doc/invoke.texi (mcx16): Rewrite.
 738
 739 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 740
 741         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
 742         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
 743         *mov<mode>_softfloat, and an anonymous splitter): Use
 744         nonimmediate_operand instead of rs6000_nonimmediate_operand.
 745
 746 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 747
 748         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
 749         SPEFSCR registers.
 750         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 751         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
 752         (rs6000_debug_reg_global): Adjust.
 753         (rs6000_init_hard_regno_mode_ok): Adjust.
 754         (rs6000_dbx_register_number): Adjust.
 755         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
 756         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 757         Remove SPE_ACC and SPEFSCR.
 758         (REG_ALLOC_ORDER): Ditto.
 759         (FRAME_POINTER_REGNUM): Change to 111.
 760         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
 761         (REG_CLASS_NAMES): Ditto.
 762         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
 763         (REGISTER_NAMES): Ditto.
 764         (ADDITIONAL_REG_NAMES): Ditto.
 765         (rs6000_reg_names): Ditto.
 766         * config/rs6000/rs6000.md: Renumber some register number
 767         define_constants.
 768
 769 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 770
 771         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
 772         registers.
 773         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
 774         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
 775         to 117.
 776         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
 777         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
 778         Delete the SPE high registers.
 779         (REG_ALLOC_ORDER): Ditto.
 780         (enum reg_class): Remove SPE_HIGH_REGS.
 781         (REG_CLASS_NAMES): Ditto.
 782         (REG_CLASS_CONTENTS): Delete the SPE high registers.
 783         (REGISTER_NAMES): Ditto.
 784         (rs6000_reg_names): Ditto.
 785         * doc/tm.texi.in: Remove SPE as example.
 786         * doc/tm.texi: Regenerate.
 787
 788 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 789
 790         * config/rs6000/8540.md (ppc8540_brinc): Delete.
 791         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
 792         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
 793         * config/rs6000/rs6000.md (type): Remove "brinc".
 794
 795 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 796
 797         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
 798         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
 799         * config/rs6000/linuxspe.h: Delete file.
 800         * config/rs6000/rs6000.md: Don't include spe.md.
 801         * config/rs6000/spe.h: Delete file.
 802         * config/rs6000/spe.md: Delete file.
 803         * config/rs6000/t-rs6000: Remove spe.md.
 804
 805 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 806
 807         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
 808         (reg_or_none500mem_operand): Delete.
 809         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
 810         instead of reg_or_none500mem_operand.
 811
 812 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 813
 814         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
 815         handling of SPE flags.
 816         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
 817
 818 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 819
 820         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
 821         SPE ABI handling.
 822         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
 823         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
 824         paired_divv2sf3): Similar.
 825         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
 826         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
 827         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
 828         RS6000_BUILTIN_S.
 829         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
 830         Rename the paired_* instruction patterns.
 831         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
 832         define __SPE__.
 833         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
 834         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
 835         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
 836         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
 837         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
 838         PAIRED_VECTOR_MODE.
 839         (struct machine_function): Delete field spe_insn_chain_scanned_p.
 840         (spe_func_has_64bit_regs_p): Delete.
 841         (spe_expand_predicate_builtin): Delete.
 842         (spe_expand_evsel_builtin): Delete.
 843         (TARGET_DWARF_REGISTER_SPAN): Do not define.
 844         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
 845         (invalid_e500_subreg): Delete.
 846         (rs6000_legitimize_address): Always force_reg op2 as well, for
 847         paired single memory accesses.
 848         (rs6000_member_type_forces_blk): Delete.
 849         (rs6000_spe_function_arg): Delete.
 850         (rs6000_expand_unop_builtin): Delete SPE handling.
 851         (rs6000_expand_binop_builtin): Ditto.
 852         (spe_expand_stv_builtin): Delete.
 853         (bdesc_2arg_spe): Delete.
 854         (spe_expand_builtin): Delete.
 855         (spe_expand_predicate_builtin): Delete.
 856         (spe_expand_evsel_builtin): Delete.
 857         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
 858         (spe_init_builtins): Delete.
 859         (spe_func_has_64bit_regs_p): Delete.
 860         (savres_routine_name): Delete "info" parameter.  Adjust callers.
 861         (rs6000_emit_stack_reset): Ditto.
 862         (rs6000_dwarf_register_span): Delete.
 863         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
 864         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
 865         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
 866         Delete.
 867         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
 868         Delete.
 869         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
 870         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
 871         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
 872         mulv2sf3, divv2sf3): Delete expanders.
 873
 874 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 875
 876         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
 877
 878 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 879
 880         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
 881         * config/rs6000/rs6000.c: Ditto.
 882
 883 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 884
 885         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
 886         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
 887         comparison_operator.
 888
 889 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 890
 891         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
 892         * config/rs6000/rs6000.opt: Ditto.
 893         * config/rs6000/t-rtems: Ditto.
 894
 895 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 896
 897         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
 898         TARGET_E500_SINGLE by 0, simplify.
 899         * config/rs6000/rs6000.c: Ditto.
 900         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
 901         (spe_build_register_parallel): Delete.
 902         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
 903         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
 904         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
 905         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
 906         (E500_CONVERT): Delete.
 907         * config/rs6000/spe.md: Remove many patterns and all define_constants.
 908
 909 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
 910
 911         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
 912         * config/rs6000/dfp.md: Ditto.
 913         (negdd2, *negdd2_fpr): Merge.
 914         (absdd2, *absdd2_fpr): Merge.
 915         (negtd2, *negtd2_fpr): Merge.
 916         (abstd2, *abstd2_fpr): Merge.
 917         * config/rs6000/e500.h: Delete file.
 918         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
 919         TARGET_FPRS by 1 and simplify.
 920         * config/rs6000/rs6000-c.c: Ditto.
 921         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
 922         TARGET_DF_SPE by 0.
 923         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
 924         TARGET_DF_SPE.
 925         * config/rs6000/rs6000.md: Ditto.
 926         (floatdidf2, *floatdidf2_fpr): Merge.
 927         (move_from_CR_gt_bit): Delete.
 928         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
 929         (E500_CR_IOR_COMPARE): Delete.
 930         (All patterns that require !TARGET_FPRS): Delete.
 931         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
 932
 933 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 934
 935         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
 936
 937 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 938
 939         * graphds.c (add_edge): Intitialize edge's attached data.
 940         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
 941         pointer parameter.  Call pointed function on each edge during
 942         graph traversing.  Skip traversing the edge when the function
 943         returns true.
 944         (graphds_dfs, graphds_scc): Ditto.
 945         (for_each_edge): New parameter.  Pass the new parameter to callback
 946         function.
 947         * graphds.h (skip_edge_callback): New function pointer type.
 948         (graphds_dfs, graphds_scc): New function pointer parameter.
 949         (graphds_edge_callback, for_each_edge): New parameter.
 950
 951 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 952
 953         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
 954         out code checking if runtime alias check is possible to below ...
 955         Call the new function.
 956         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
 957         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
 958
 959 2017-06-07  Marek Polacek  <polacek@redhat.com>
 960
 961         PR sanitizer/80932
 962         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
 963         TYPE_OVERFLOW_WRAPS check.
 964
 965 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 966
 967         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
 968         if versioning is required.
 969         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
 970         peeling with the check for versioning.
 971
 972 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 973
 974         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
 975         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
 976         Set true to new parameter if new ssa variable is defined.
 977         (vect_gen_vector_loop_niters): Refactor.  Set range information
 978         for the new vector loop bound variable.
 979         (vect_do_peeling): Ditto.
 980
 981 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 982
 983         * tree-affine.c (ssa.h): Include header file.
 984         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
 985         has wrapping overflow behavior.
 986
 987 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 988
 989         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
 990
 991 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 992
 993         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
 994         (tree_to_aff_combination): ... here.
 995
 996 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
 997
 998         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
 999         reg_pressure model function.
1000         (ivopts_global_cost_for_size): Delete.
1001         (determine_set_costs, iv_ca_recount_cost): Call new model function
1002         ivopts_estimate_reg_pressure.
1003
1004 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
1005
1006         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more expensive than udiv.
1007         Remove floating point cases from mod.
1008
1009 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
1010
1011         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.
1012
1013 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
1014
1015         * config/aarch64/aarch64.md
1016         (copysignsf3): Fix mask generation.
1017
1018 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
1019
1020         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
1021         TDI_gimple.
1022         (class dump_manager): Add register_dumps method.
1023         * dumpfile.c: Include langhooks.h.
1024         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
1025         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
1026         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
1027         (dump_manager::dump_register): Start with 512 entries instead of 32.
1028         (dump_manager::register_dumps): New method.
1029         * toplev.c (general_init): Instead of invoking register_dumps
1030         langhook, invoke register_dumps method on the dump manager.
1031         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
1032         TDI_generic.
1033
1034 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
1035
1036         * doc/md.texi: Clarify the restrictions on a define_insn condition.
1037         Say that # requires an associated define_split to exist, and that
1038         the define_split must be suitable for use after register allocation.
1039
1040 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
1041
1042         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
1043         (compute_outgoing_frequencies): Also initialize zero counts.
1044         (find_many_sub_basic_blocks): Do not produce uninitialized profile
1045         around loops; preserve more of profile when nothing changes.
1046
1047 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
1048
1049         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
1050         here.
1051         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
1052         * config/arm/arm-cpu-cdata.h: Regenerate.
1053         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
1054         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
1055         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
1056         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
1057         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
1058         support.
1059         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
1060         support.
1061         * config/arm/t-rmprofile: Likewise.
1062         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
1063
1064 2017-06-06  David S. Miller  <davem@davemloft.net>
1065
1066         PR target/80968
1067         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
1068         blockage if function uses alloca.
1069
1070 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
1071
1072         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
1073         New "uid" fields to hold pretty-print IDs of group and ref.
1074         Memory references are now identified as <group_id>:<ref_id>
1075         instead of using [random] addresses.
1076         (dump_mem_details): Simplify, no functional change.
1077         (dump_mem_ref): Simplify and make output more concise.
1078         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
1079         (find_or_create_group): Initialize group uid.
1080         (record_ref): Initialize ref uid.  Improve debug output.
1081         (prune_group_by_reuse, should_issue_prefetch_p,)
1082         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
1083         (mark_nontemporal_store, determine_loop_nest_reuse):
1084         Improve debug output.
1085
1086 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
1087
1088         * dbgcnt.def (prefetch): New debug counter.
1089         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
1090         (schedule_prefetches): Stop issueing prefetches if debug counter
1091         tripped.
1092
1093 2017-06-06  Tom de Vries  <tom@codesourcery.com>
1094
1095         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
1096         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
1097
1098 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1099
1100         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
1101         Use aarch64_reg_or_zero predicate for operand 4.
1102         (aarch64_compare_and_swap<mode> define_insn_and_split):
1103         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
1104         (aarch64_store_exclusive<mode>): Likewise for operand 2.
1105
1106 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1107
1108         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
1109         (arm_compute_save_core_reg_mask): This.
1110         (thumb1_compute_save_reg_mask): Rename into ...
1111         (thumb1_compute_save_core_reg_mask): This.
1112         (arm_compute_save_reg0_reg12_mask): Adapt comment.
1113         (arm_compute_frame_layout): Likewise.
1114
1115 2017-06-06  Richard Biener  <rguenther@suse.de>
1116
1117         PR tree-optimization/80974
1118         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
1119         keep or clear leaders SSA info.
1120
1121 2017-06-06  Tom de Vries  <tom@codesourcery.com>
1122
1123         * config/nvptx/nvptx.c (split_mode_p): New function.
1124         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
1125
1126 2017-06-06  Tom de Vries  <tom@codesourcery.com>
1127
1128         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
1129
1130 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
1131
1132         PR bootstrap/80978
1133         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
1134         profile.
1135
1136 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
1137
1138         * shrink-wrap.c (handle_simple_exit): Update profile.
1139         (try_shrink_wrapping): Upate profile.
1140
1141 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
1142
1143         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
1144         (tree_guess_outgoing_edge_probabilities): New.
1145         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
1146         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
1147
1148 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
1149
1150         * ipa-split.c (split_function): Initialize return bb profile.
1151
1152 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
1153
1154         * profile.c (compute_branch_probabilities): Also initialize
1155         EXIT_BLOCK profile.
1156
1157 2017-06-06  Richard Biener  <rguenther@suse.de>
1158
1159         PR tree-optimization/80928
1160         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
1161         (vect_analyze_loop_operations): Properly guard analysis for
1162         pure SLP case.
1163         (vect_transform_loop): Likewise.
1164         (vect_analyze_loop_2): Also reset SLP type on PHIs.
1165         (vect_model_induction_cost): Do not cost for pure SLP.
1166         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
1167         of induction in inner loop vectorization.
1168         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
1169         (vect_get_and_check_slp_defs): Handle vect_induction_def.
1170         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
1171         recursion.
1172         (vect_analyze_slp_cost_1): Cost induction.
1173         (vect_detect_hybrid_slp_stmts): Handle PHIs.
1174         (vect_get_slp_vect_defs): Likewise.
1175         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
1176         (vect_transform_stmt): Handle SLP reductions.
1177         * tree-vectorizer.h (vectorizable_induction): Adjust.
1178
1179 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
1180
1181         * config/rs6000/rs6000.c (make_resolver_func): Update
1182         init_lowered_empty_function call.
1183
1184 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1185
1186         * doc/invoke.texi: Document the -fprofile-abs-path option.
1187         * common.opt (fprofile-abs-path): New option.
1188         * gcov-io.h (gcov_write_filename): Declare.
1189         * gcov-io.c (gcov_write_filename): New function.
1190         * coverage.c (coverage_begin_function): Use gcov_write_filename.
1191         * profile.c (output_location): Likewise.
1192
1193 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
1194
1195         * shring-wrap.c: Revert accidental commit.
1196
1197 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
1198
1199         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
1200
1201 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
1202
1203         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
1204         new edge.
1205         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
1206         profile in callgraph edge.
1207         * profile-count.h (apply_probability): If THIS is 0, then result is 0
1208         (apply_scale): Likewise.
1209         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
1210         Also scale profile when inlining function with zero profile.
1211         (initialize_cfun): Update exit block profile even when it is zero.
1212         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
1213         when profile is read.
1214
1215 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
1216
1217         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
1218         (CLONE_*): New constants to define the processors we can generate
1219         code for with the target_clone attribute.
1220         (rs6000_clone_map): New array to identify which clone processors
1221         the current program is running on.
1222         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
1223         target_clone attribute.
1224         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
1225         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
1226         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
1227         (cpu_expand_builtin): Add support for target_clone attribute.
1228         (rs6000_valid_attribute_p): Allow "default" attribute.
1229         (get_decl_name): New debug function to simplify printing the
1230         current function name in debugging statements.
1231         (rs6000_clone_priority): New functions to support the target_clone
1232         attribute, and be able to generate code to switch between ISA 2.05
1233         through ISA 3.0 (power6 through power9).
1234         (rs6000_compare_version_priority): Likewise.
1235         (rs6000_get_function_versions_dispatcher): Likewise.
1236         (make_resolver_func): Likewise.
1237         (add_condition_to_bb): Likewise.
1238         (dispatch_function_versions): Likewise.
1239         (rs6000_generate_version_dispatcher_body): Likewise.
1240         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
1241         (fusion_gpr_load_p): Fix a spacing issue.
1242         * doc/extend.texi (Common Function Attributes): Document that the
1243         PowerPC supports the target_clone attribute.
1244
1245 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1246
1247         * config/arm/arm.h: explain F symbol found in description of ARM
1248         register allocation in its legend.
1249
1250 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
1251
1252         * config/mips/frame-header-opt.c: Include profile-count.h.
1253         * config/riscv/riscv.c: Include profile-count.h
1254
1255 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
1256
1257         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
1258         update profile.
1259         (sm_set_flag_if_changed): Add bbs field.
1260         (execute_sm_if_changed_flag_set): Pass BBS.
1261         (execute_sm): Update.
1262
1263 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1264
1265         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
1266         New pattern.
1267
1268 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1269
1270         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
1271         (peephole2): New peephole2 to emit the above.
1272         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
1273
1274 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1275
1276         * config/aarch64/aarch64.c (define_peephole2 above
1277         *sub_<shift>_<mode>): New peephole.
1278
1279 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
1280
1281         * config/i386/i386.c (make_resolver_func): Update.
1282         * Makefile.in: Add profile-count.h and profile-count.o
1283         * auto-profile.c (afdo_indirect_call): Update to new API.
1284         (afdo_set_bb_count): Update.
1285         (afdo_propagate_edge): Update.
1286         (afdo_propagate_circuit): Update.
1287         (afdo_calculate_branch_prob): Update.
1288         (afdo_annotate_cfg): Update.
1289         * basic-block.h: Include profile-count.h
1290         (struct edge_def): Turn count to profile_count.
1291         (struct basic_block_def): Likewie.
1292         (REG_BR_PROB_BASE): Move to profile-count.h
1293         (RDIV): Move to profile-count.h
1294         * bb-reorder.c (max_entry_count): Turn to profile_count.
1295         (find_traces): Update.
1296         (rotate_loop):Update.
1297         (connect_traces):Update.
1298         (sanitize_hot_paths):Update.
1299         * bt-load.c (migrate_btr_defs): Update.
1300         * cfg.c (RDIV): Remove.
1301         (init_flow): Use alloc_block.
1302         (alloc_block): Uninitialize count.
1303         (unchecked_make_edge): Uninitialize count.
1304         (check_bb_profile): Update.
1305         (dump_edge_info): Update.
1306         (dump_bb_info): Update.
1307         (update_bb_profile_for_threading): Update.
1308         (scale_bbs_frequencies_int): Update.
1309         (scale_bbs_frequencies_gcov_type): Update.
1310         (scale_bbs_frequencies_profile_count): New.
1311         * cfg.h (update_bb_profile_for_threading): Update.
1312         (scale_bbs_frequencies_profile_count): Declare.
1313         * cfgbuild.c (compute_outgoing_frequencies): Update.
1314         (find_many_sub_basic_blocks): Update.
1315         * cfgcleanup.c (try_forward_edges): Update.
1316         (try_crossjump_to_edge): Update.
1317         * cfgexpand.c (expand_gimple_tailcall): Update.
1318         (construct_exit_block): Update.
1319         * cfghooks.c (verify_flow_info): Update.
1320         (dump_bb_for_graph): Update.
1321         (split_edge): Update.
1322         (make_forwarder_block): Update.
1323         (duplicate_block): Update.
1324         (account_profile_record): Update.
1325         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
1326         (get_estimated_loop_iterations): Update.
1327         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
1328         (single_likely_exit): Update.
1329         * cfgloopmanip.c (scale_loop_profile): Update.
1330         (loopify): Update.
1331         (set_zero_probability): Update.
1332         (lv_adjust_loop_entry_edge): Update.
1333         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
1334         (purge_dead_edges): Update.
1335         (rtl_account_profile_record): Update.
1336         * cgraph.c (cgraph_node::create): Uninitialize count.
1337         (symbol_table::create_edge): Uninitialize count.
1338         (cgraph_update_edges_for_call_stmt_node): Update.
1339         (cgraph_edge::dump_edge_flags): Update.
1340         (cgraph_node::dump): Update.
1341         (cgraph_edge::maybe_hot_p): Update.
1342         * cgraph.h: Include profile-count.h
1343         (create_clone), create_edge, create_indirect_edge): Update.
1344         (cgraph_node): Turn count to profile_count.
1345         (cgraph_edge0: Likewise.
1346         (make_speculative, clone): Update.
1347         (create_edge): Update.
1348         (init_lowered_empty_function): Update.
1349         * cgraphclones.c (cgraph_edge::clone): Update.
1350         (duplicate_thunk_for_node): Update.
1351         (cgraph_node::create_clone): Update.
1352         * cgraphunit.c (cgraph_node::analyze): Update.
1353         (cgraph_node::expand_thunk): Update.
1354         * final.c (dump_basic_block_info): Update.
1355         * gimple-streamer-in.c (input_bb): Update.
1356         * gimple-streamer-out.c (output_bb): Update.
1357         * graphite.c (print_global_statistics): Update.
1358         (print_graphite_scop_statistics): Update.
1359         * hsa-brig.c: Include basic-block.h.
1360         * hsa-dump.c: Include basic-block.h.
1361         * hsa-gen.c (T sum_slice): Update.
1362         (convert_switch_statements):Update.
1363         * hsa-regalloc.c: Include basic-block.h.
1364         * ipa-chkp.c (chkp_produce_thunks): Update.
1365         * ipa-cp.c (struct caller_statistics): Update.
1366         (init_caller_stats): Update.
1367         (gather_caller_stats): Update.
1368         (ipcp_cloning_candidate_p): Update.
1369         (good_cloning_opportunity_p): Update.
1370         (get_info_about_necessary_edges): Update.
1371         (dump_profile_updates): Update.
1372         (update_profiling_info): Update.
1373         (update_specialized_profile): Update.
1374         (perhaps_add_new_callers): Update.
1375         (decide_about_value): Update.
1376         (ipa_cp_c_finalize): Update.
1377         * ipa-devirt.c (struct odr_type_warn_count): Update.
1378         (struct decl_warn_count): Update.
1379         (struct final_warning_record): Update.
1380         (possible_polymorphic_call_targets): Update.
1381         (ipa_devirt): Update.
1382         * ipa-fnsummary.c (redirect_to_unreachable): Update.
1383         * ipa-icf.c (sem_function::merge): Update.
1384         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
1385         * ipa-inline.c (compute_uninlined_call_time): Update.
1386         (compute_inlined_call_time): Update.
1387         (want_inline_small_function_p): Update.
1388         (want_inline_self_recursive_call_p): Update.
1389         (edge_badness): Update.
1390         (lookup_recursive_calls): Update.
1391         (recursive_inlining): Update.
1392         (inline_small_functions): Update.
1393         (dump_overall_stats): Update.
1394         (dump_inline_stats): Update.
1395         * ipa-profile.c (ipa_profile_generate_summary): Update.
1396         (ipa_propagate_frequency): Update.
1397         (ipa_profile): Update.
1398         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
1399         * ipa-utils.c (ipa_merge_profiles): Update.
1400         * loop-doloop.c (doloop_modify): Update.
1401         * loop-unroll.c (report_unroll): Update.
1402         (unroll_loop_runtime_iterations): Update.
1403         * lto-cgraph.c (lto_output_edge): Update.
1404         (lto_output_node): Update.
1405         (input_node): Update.
1406         (input_edge): Update.
1407         (merge_profile_summaries): Update.
1408         * lto-streamer-in.c (input_cfg): Update.
1409         * lto-streamer-out.c (output_cfg): Update.
1410         * mcf.c (create_fixup_graph): Update.
1411         (adjust_cfg_counts): Update.
1412         (sum_edge_counts): Update.
1413         * modulo-sched.c (sms_schedule): Update.
1414         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
1415         * predict.c (maybe_hot_count_p): Update.
1416         (probably_never_executed): Update.
1417         (dump_prediction): Update.
1418         (combine_predictions_for_bb): Update.
1419         (propagate_freq): Update.
1420         (handle_missing_profiles): Update.
1421         (counts_to_freqs): Update.
1422         (rebuild_frequencies): Update.
1423         (force_edge_cold): Update.
1424         * predict.h: Include profile-count.h
1425         (maybe_hot_count_p, counts_to_freqs): UPdate.
1426         * print-rtl-function.c: Do not include cfg.h
1427         * print-rtl.c: Include basic-block.h
1428         * profile-count.c: New file.
1429         * profile-count.h: New file.
1430         * profile.c (is_edge_inconsistent): Update.
1431         (correct_negative_edge_counts): Update.
1432         (is_inconsistent): Update.
1433         (set_bb_counts): Update.
1434         (read_profile_edge_counts): Update.
1435         (compute_frequency_overlap): Update.
1436         (compute_branch_probabilities): Update; Initialize and deinitialize
1437         gcov_count tables.
1438         (branch_prob): Update.
1439         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
1440         (edge_gcov_count): New.
1441         (bb_gcov_count): New.
1442         * shrink-wrap.c (try_shrink_wrapping): Update.
1443         * tracer.c (better_p): Update.
1444         * trans-mem.c (expand_transaction): Update.
1445         (ipa_tm_insert_irr_call): Update.
1446         (ipa_tm_insert_gettmclone_call): Update.
1447         * tree-call-cdce.c: Update.
1448         * tree-cfg.c (gimple_duplicate_sese_region): Update.
1449         (gimple_duplicate_sese_tail): Update.
1450         (gimple_account_profile_record): Update.
1451         (execute_fixup_cfg): Update.
1452         * tree-inline.c (copy_bb): Update.
1453         (copy_edges_for_bb): Update.
1454         (initialize_cfun): Update.
1455         (freqs_to_counts): Update.
1456         (copy_cfg_body): Update.
1457         (expand_call_inline): Update.
1458         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
1459         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
1460         (try_unroll_loop_completely): Update.
1461         (try_peel_loop): Update.
1462         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
1463         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
1464         * tree-ssa-loop-split.c (connect_loops): Update.
1465         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
1466         * tree-ssa-reassoc.c (branch_fixup): Update.
1467         * tree-ssa-tail-merge.c (replace_block_by): Update.
1468         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
1469         (compute_path_counts): Update.
1470         (update_profile): Update.
1471         (recompute_probabilities): Update.
1472         (update_joiner_offpath_counts): Update.
1473         (estimated_freqs_path): Update.
1474         (freqs_to_counts_path): Update.
1475         (clear_counts_path): Update.
1476         (ssa_fix_duplicate_block_edges): Update.
1477         (duplicate_thread_path): Update.
1478         * tree-switch-conversion.c (case_bit_test_cmp): Update.
1479         (struct switch_conv_info): Update.
1480         * tree-tailcall.c (decrease_profile): Update.
1481         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
1482         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
1483         * value-prof.c (check_counter): Update.
1484         (gimple_divmod_fixed_value): Update.
1485         (gimple_mod_pow2): Update.
1486         (gimple_mod_subtract): Update.
1487         (gimple_ic_transform): Update.
1488         (gimple_stringop_fixed_value): Update.
1489         * value-prof.h (gimple_ic): Update.
1490
1491 2017-06-02  Carl Love  <cel@us.ibm.com>
1492
1493         * config/rs6000/rs6000-c: Add support for built-in functions
1494         vector double vec_doublee (vector signed int);
1495         vector double vec_doublee (vector unsigned int);
1496         vector double vec_doublee (vector float);
1497         vector double vec_doubleh (vector signed int);
1498         vector double vec_doubleh (vector unsigned int);
1499         vector double vec_doubleh (vector float);
1500         vector double vec_doublel (vector signed int);
1501         vector double vec_doublel (vector unsigned int);
1502         vector double vec_doublel (vector float);
1503         vector double vec_doubleo (vector signed int);
1504         vector double vec_doubleo (vector unsigned int);
1505         vector double vec_doubleo (vector float);.
1506         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
1507         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
1508         UNS_DOUBLEL.
1509         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
1510         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
1511         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
1512         VS_sxwsp.
1513         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
1514         vec_doublel, vec_doubleh.
1515         * doc/extend.texi: Update the built-in documentation file for the
1516         new built-in functions.
1517
1518 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
1519
1520         PR jit/80954
1521         * ipa-inline-analysis.c (free_growth_caches): Set
1522         edge_removal_hook_holder to NULL after removing it.
1523
1524 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
1525
1526         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
1527         comparision with zero.
1528
1529 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
1530         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1531         for early expansion of vec_min and vec_max builtins.
1532         (builtin_function_type): Add min/max unsigned variants to those
1533         identified as having unsigned arguments.
1534
1535 2017-06-02  Olivier Hainque  <hainque@adacore.com>
1536
1537         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
1538
1539 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1540
1541         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
1542         Use VALL_F16 iterator rather than VALL.
1543
1544 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1545
1546         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
1547         Emit CBNZ inside loop when doing a strong exchange and comparing
1548         against zero.  Generate the CC flags after the loop.
1549
1550 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
1551
1552         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
1553         (dl_section_ref): New.
1554         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
1555         On AIX, append an expression to subtract the size of the
1556         section length to dl_section_ref.
1557
1558 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
1559
1560         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
1561         for early expansion of vector absolute builtins.
1562
1563 2017-06-02  Richard Biener  <rguenther@suse.de>
1564
1565         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
1566         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
1567
1568 2017-06-02  Richard Biener  <rguenther@suse.de>
1569
1570         PR tree-optimization/80948
1571         * tree-tailcall.c (find_tail_calls): Track stmts to move in
1572         stmt order as well.
1573
1574 2017-06-02  Richard Biener  <rguenther@suse.de>
1575
1576         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
1577         PHIs are ok.
1578         * tree-vect-stmts.c (process_use): Do not mark backedge defs
1579         for inductions as relevant.
1580
1581 2017-06-02  Richard Biener  <rguenther@suse.de>
1582
1583         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
1584         (vectorizable_induction): ... this.  Remove dead code.
1585
1586 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
1587
1588         * builtins. (expand_builtin_alloca): Remove second parameter and
1589         infer its value from the first parameter instead.
1590         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
1591
1592 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
1593
1594         PR rtl-optimization/80903
1595         * loop-doloop.c (add_test): Unshare sequence.
1596
1597 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1598
1599         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
1600
1601 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1602
1603         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
1604         static.
1605         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
1606         xlogue_layout::get_instance, logue_layout::xlogue_layout,
1607         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
1608         (xlogue_layout::get_stub_rtx): Make static.
1609         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
1610         (xlogue_layout::compute_stub_managed_regs): Rename to...
1611         (xlogue_layout::count_stub_managed_regs): ...this.
1612         (xlogue_layout::is_stub_managed_reg): New function.
1613         (xlogue_layout::m_stub_names): Rename to...
1614         (xlogue_layout::s_stub_names): ...this, make static.
1615         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
1616         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
1617         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
1618         xlogue_layout::s_stub_names): Instantiate statics.
1619         (stub_managed_regs): Remove.
1620         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
1621         (disable_call_ms2sysv_xlogues): Rename to...
1622         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
1623         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
1624         warning logic.
1625         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
1626         change after reload_completed.
1627         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
1628         directly.
1629         (ix86_expand_prologue): Likewise.
1630         (ix86_expand_epilogue): Likewise.
1631         (ix86_expand_split_stack_prologue): Likewise.
1632         (ix86_compute_frame_layout): Remove frame parameter ...
1633         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
1634         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
1635         only if necessary.
1636         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
1637         (ix86_frame): Move from here ...
1638         * config/i386/i386.h (ix86_frame): ... to here.
1639         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
1640         complete ix86_frame data structure instead.  Remove some_ld_name.
1641
1642 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1643
1644         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
1645         symbols that hold a DECL_VALUE_EXPR.
1646
1647 2017-06-01  Martin Jambor  <mjambor@suse.cz>
1648
1649         PR tree-optimization/80898
1650         * tree-sra.c (process_subtree_disqualification): Removed.
1651         (disqualify_candidate): Do not acll
1652         process_subtree_disqualification.
1653         (subtree_mark_written_and_enqueue): New function.
1654         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
1655         RHS has been disqualified and re-queue LHS if necessary.  Apart
1656         from that, ignore disqualified RHS.
1657
1658 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1659
1660         * config/s390/s390.c (s390_emit_epilogue): Disable early return
1661         address fetch for z10 or later.
1662
1663 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1664
1665         * config/arc/arc.md (tst_movb): Add guard when splitting.
1666
1667 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1668
1669         * config/arc/arc.c (arc_can_eliminate): Test against
1670         arc_frame_pointer_needed.
1671
1672 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1673
1674         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
1675         to prevent store reordering.
1676         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
1677         (type): Add block type.
1678         (stack_tie): Define special instruction to be used in
1679         expand_prologue.
1680
1681 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1682
1683         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
1684         constraint. It is not valid for the pattern.
1685         (noncommutative_binary_comparison): Likewise.
1686
1687 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1688
1689         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
1690         scaled addresses.
1691
1692 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1693
1694         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
1695         be used by the reg-alloc.
1696
1697 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1698
1699         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
1700         reg-alloc when having mul64 or mul32x16 instructions.
1701         (mulsidi3): Likewise.
1702         (umulsidi3): Likewise.
1703         (mulsi32x16): New pattern.
1704         (mulsi64): Likewise.
1705         (mulsidi64): Likewise.
1706         (umulsidi64): Likewise.
1707         (MUL32x16_REG): Define.
1708         (mul64_600): Use MUL32x16_REG.
1709         (mac64_600): Likewise.
1710         (umul64_600): Likewise.
1711         (umac64_600): Likewise.
1712
1713 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
1714
1715         * config/arc/arc.md (mulsi3_700): Make it commutative.
1716
1717 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
1718
1719         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
1720         type for movstouw.
1721         (*sign_extendsidi2_insn): Likewise for movstosw.
1722
1723 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
1724
1725         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
1726         the type of the input discriminant value.  Convert the
1727         discriminant value of signedness vary.
1728
1729 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
1730
1731         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
1732         Add to -Wall section.
1733
1734 2017-06-01  Richard Biener  <rguenther@suse.de>
1735
1736         PR middle-end/66313
1737         * fold-const.c (fold_plusminus_mult_expr): If the factored
1738         factor may be zero use a wrapping type for the inner operation.
1739         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
1740         and handle moved defs.
1741         (process_assignment): Properly guard the unary op case.  Return a
1742         tri-state indicating that moving the stmt before the call may allow
1743         to continue.  Pass through to_move.
1744         (find_tail_calls): Handle moving unrelated defs before
1745         the call.
1746
1747 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
1748
1749         PR target/80618
1750         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
1751         splitter result in the canonical way.
1752
1753 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
1754
1755         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
1756         also for 32bit target.  Update insn attributes.
1757         (zero-extendsidi2 splitter): Allow all registers for operand 1.
1758
1759 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
1760
1761         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
1762         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
1763         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
1764         (_mm_maskz_min_ss): New intrinsics.
1765
1766 2017-05-31  Martin Liska  <mliska@suse.cz>
1767
1768         * tree-vect-loop.c (vect_create_epilog_for_reduction):
1769         Change comment style to one we normally use.
1770         (vectorizable_reduction): Likewise.
1771         (vectorizable_induction): Likewise.
1772         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
1773         (vectorizable_call): Likewise.
1774         (vectorizable_simd_clone_call): Likewise.
1775         (vectorizable_conversion): Likewise.
1776         (vectorizable_assignment): Likewise.
1777         (vectorizable_shift): Likewise.
1778         (vectorizable_operation): Likewise.
1779         (vectorizable_store): Likewise.
1780         (vectorizable_load): Likewise.
1781         * tree-vectorizer.h: Likewise.
1782
1783 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
1784
1785         * passes.c (emergency_dump_function): New.
1786         * tree-pass.h (emergency_dump_function): Declare.
1787         * plugin.c (plugins_internal_error_function): Remove.
1788         * plugin.h (plugins_internal_error_function): Remove declaration.
1789         * toplev.c (internal_error_function): New static function.  Use it...
1790         (general_init): ...here.
1791
1792 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
1793
1794         * config/arc/arc.c (arc_print_operand): Handle constant operands.
1795         (arc_rtx_costs): Add costs for new patterns.
1796         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
1797         * config/arc/predicates.md: Add _1_2_3_operand predicate.
1798
1799 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1800
1801         * tree-ssa-strlen.c (get_next_strinfo): New function.
1802         (get_stridx_plus_constant): Use it.
1803         (zero_length_string): Likewise.
1804         (adjust_related_strinfos): Likewise.
1805         (adjust_last_stmt): Likewise.
1806
1807 2017-05-31  Richard Biener  <rguenther@suse.de>
1808
1809         PR target/80880
1810         * config/i386/i386.c (ix86_expand_builtin): Remove assert
1811         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
1812
1813 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
1814
1815         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
1816         loop_vinfo argument and use of dependence distance vectors.
1817         Check instead whether the two references differ only in their
1818         initial value and assume that they have the same alignment if the
1819         difference is a multiple of the vector alignment.
1820         (vect_analyze_data_refs_alignment): Update call accordingly.
1821
1822 2017-05-31  Martin Liska  <mliska@suse.cz>
1823
1824         PR target/79155
1825         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
1826
1827 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1828
1829         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
1830         (create_intersect_range_checks): Move from ...
1831         * tree-data-ref.c (create_intersect_range_checks_index)
1832         (create_intersect_range_checks): ... to here.
1833         (create_runtime_alias_checks): New function factored from ...
1834         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
1835         here.  Call above function.
1836         * tree-data-ref.h (create_runtime_alias_checks): New function.
1837
1838 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
1839
1840         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
1841         segment length for dr_b and compute it in wide_int.
1842
1843 2017-05-31  Richard Biener  <rguenther@suse.de>
1844
1845         PR tree-optimization/80906
1846         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
1847         and pass through iv_map.
1848         (copy_bb_and_scalar_dependences): Adjust.
1849         (translate_pending_phi_nodes): Likewise.
1850         (copy_loop_close_phi_args): Handle code-generating IVs instead
1851         of ICEing.
1852
1853 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
1854
1855         * diagnostic-color.c (color_dict): Add "type-diff".
1856         (parse_gcc_colors): Update comment.
1857         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
1858         -fdiagnostics-show-template-tree and -fno-elide-type.
1859         (GCC_COLORS): Add type-diff to example.
1860         (type-diff=): New.
1861         (-fdiagnostics-show-template-tree): New.
1862         (-fno-elide-type): New.
1863         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
1864         the pp_format_decoder callback.  Call any m_format_postprocessor's
1865         "handle" method.
1866         (pretty_printer::pretty_printer): Initialize
1867         m_format_postprocessor.
1868         (pretty_printer::~pretty_printer): Delete any
1869         m_format_postprocessor.
1870         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
1871         (class format_postprocessor): New class.
1872         (struct pretty_printer::format_decoder): Document the new parameters.
1873         (struct pretty_printer::m_format_postprocessor): New field.
1874         * tree-diagnostic.c (default_tree_printer): Update for new
1875         bool and const char ** params.
1876         * tree-diagnostic.h (default_tree_printer): Likewise.
1877
1878 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
1879
1880         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
1881         (lwa_operand): Delete rs6000_gen_cell_microcode test.
1882         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
1883         rs6000_gen_cell_microcode code.
1884         (rs6000_final_prescan_insn): Delete.
1885         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
1886         "warn-cell-microcode" entries.
1887         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
1888         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
1889         throughout.  Change cc_reg_not_micro_cr0_operand to
1890         cc_reg_not_cr0_operand throughout.
1891         (*extendhi<mode>2_noload): Delete.
1892         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
1893         (mwarn-cell-microcode): Delete.
1894         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
1895         -mgen-cell-microcode and -mwarn-cell-microcode.
1896
1897 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
1898
1899         PR target/80833
1900         * config/i386/constraints.md (Yd): New constraint.
1901         (Ye): Ditto.
1902         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
1903         and (?Yd, r) alternatives.  Update insn attributes.
1904         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
1905         and (?*Yd, r) alternatives.  Update insn attributes.
1906         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
1907
1908 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
1909
1910         * gimplify.c (gimplify_modify_expr): Don't create a
1911         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
1912         function.
1913
1914 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
1915
1916         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
1917
1918 2017-05-30  Richard Biener  <rguenther@suse.de>
1919
1920         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
1921         and reduc_def fields.
1922         (STMT_VINFO_REDUC_TYPE): New define.
1923         (STMT_VINFO_REDUC_DEF): Likewise.
1924         (vect_force_simple_reduction): Adjust prototype.
1925         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
1926         (vect_is_simple_reduction): Remove check_reduction argument.
1927         (vect_force_simple_reduction): Adjust and set
1928         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1929         (vectorizable_reduction): Do not re-do reduction analysis
1930         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
1931         * tree-parloops.c (gather_scalar_reductions): Adjust.
1932
1933 2017-05-30  Richard Biener  <rguenther@suse.de>
1934
1935         PR middle-end/80901
1936         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
1937         split_edge code.
1938
1939 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1940
1941         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
1942         Introduce unknown_misalignment parameter and remove vf.
1943         (vect_peeling_hash_get_lowest_cost):
1944         Pass unknown_misalignment parameter.
1945         (vect_enhance_data_refs_alignment):
1946         Fix unsupportable data ref treatment.
1947
1948 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1949
1950         * tree-vect-data-refs.c (vect_get_data_access_cost):
1951         Workaround for SLP handling.
1952         (vect_enhance_data_refs_alignment):
1953         Compute costs for doing no peeling at all, compare to the best
1954         peeling costs so far and avoid peeling if cheaper.
1955
1956 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1957
1958         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
1959         Return peeling info and set costs to zero for unlimited cost
1960         model.
1961         (vect_enhance_data_refs_alignment): Also inspect all datarefs
1962         with unknown misalignment. Compute and costs for unknown
1963         misalignment, compare them to the costs for known misalignment
1964         and choose the cheapest for peeling.
1965
1966 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1967
1968         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
1969         (vect_get_peeling_costs_all_drs): Create function.
1970         (vect_peeling_hash_get_lowest_cost):
1971         Use vect_get_peeling_costs_all_drs.
1972         (vect_peeling_supportable): Create function.
1973         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
1974
1975 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
1976
1977         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
1978         DR_HAS_NEGATIVE_STEP.
1979         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
1980         (vect_enhance_data_refs_alignment): Use.
1981         (vect_duplicate_ssa_name_ptr_info): Use.
1982         * tree-vectorizer.h (dr_misalignment): Use.
1983         (known_alignment_for_access_p): Use.
1984
1985 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
1986
1987         PR target/78838
1988         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
1989         .lowtext.
1990         (has_section_name): New function.
1991
1992 2017-05-30  Martin Liska  <mliska@suse.cz>
1993
1994         PR other/80909
1995         * auto-profile.c (get_function_decl_from_block): Fix
1996         parenthesis.
1997
1998 2017-05-30  Richard Biener  <rguenther@suse.de>
1999
2000         PR middle-end/80876
2001         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
2002
2003 2017-05-30  Martin Liska  <mliska@suse.cz>
2004
2005         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
2006         * dumpfile.h (struct dump_file_info): Remove ctors.
2007
2008 2017-05-30  Martin Liska  <mliska@suse.cz>
2009
2010         * predict.def: Fix GNU coding style.
2011
2012 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
2013
2014         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
2015         Mark 'to' argument with ATTRIBUTE_UNUSED.
2016
2017 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
2018
2019         * config/xtensa/xtensa.c (xtensa_emit_call): Use
2020         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
2021         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
2022         format string.
2023
2024 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
2025
2026         * doc/install.texi (Options specification): Restore entry of
2027         --enable-sjlj-exceptions.
2028
2029 2017-05-27  Michael Eager  <eager@eagercon.com>
2030
2031         Revert:
2032         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
2033
2034         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
2035
2036         * config/microblaze/microblaze.h
2037         (FIXED_REGISTERS): Update in macro.
2038         (CALL_USED_REGISTERS): Update in macro.
2039
2040 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
2041
2042         * doc/install.texi: Add links to macOS binary distributions.
2043
2044 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
2045
2046         PR bootstrap/80887
2047         Revert:
2048         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
2049
2050         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
2051
2052 2017-05-26  Martin Liska  <mliska@suse.cz>
2053
2054         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
2055
2056 2017-05-26  Martin Liska  <mliska@suse.cz>
2057
2058         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
2059         always leading ';; '.
2060         (dump_bb_info): Likewise.
2061         (brief_dump_cfg): Likewise.
2062         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
2063         * dumpfile.c: Remove usage of TDF_VERBOSE.
2064         * dumpfile.h (enum dump_kind): Likewise.
2065         (dump_gimple_bb_header): Do not use TDF_COMMENT.
2066         * print-tree.c (debug_verbose): Remove.
2067         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
2068         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
2069         * tree-diagnostic.c (default_tree_printer): Replace
2070         TDF_DIAGNOSTIC with TDF_SLIM.
2071
2072 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
2073
2074         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
2075         in parameter loop, rather than loop_vinfo.
2076         (create_intersect_range_checks): Ditto.
2077         (vect_create_cond_for_alias_checks): Update call to above functions.
2078
2079 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
2080
2081         PR tree-optimization/80815
2082         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
2083         for merging runtime alias checks.  Handle negative DR_STEPs.
2084
2085 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
2086
2087         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
2088         Move from ...
2089         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
2090         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
2091         out code pruning runtime alias checks.
2092         * tree-data-ref.c (prune_runtime_alias_test_list): New function
2093         factored out from above.
2094         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
2095         Move from ...
2096         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
2097         ... to here.
2098         (prune_runtime_alias_test_list): New decalaration.
2099
2100 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
2101
2102         * tree-vect-data-refs.c (compare_tree): Rename and move ...
2103         * tree-data-ref.c (data_ref_compare_tree): ... to here.
2104         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
2105         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
2106         (operator==, comp_dr_with_seg_len_pair): Ditto.
2107         (vect_prune_runtime_alias_test_list): Ditto.
2108
2109 2017-05-26  Martin Liska  <mliska@suse.cz>
2110
2111         PR ipa/80663
2112         * params.def: Bound partial-inlining-entry-probability param.
2113
2114 2017-05-26  Marek Polacek  <polacek@redhat.com>
2115
2116         PR sanitizer/80875
2117         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
2118         can be negated.
2119
2120 2017-05-26  Richard Biener  <rguenther@suse.de>
2121
2122         PR tree-optimization/80842
2123         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
2124         value.
2125
2126 2017-05-26  Richard Biener  <rguenther@suse.de>
2127
2128         PR tree-optimization/80844
2129         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
2130
2131 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
2132
2133         * doc/md.texi (Machine Constraints): Update x86 family
2134         machine constraints section to match 'config/i386/constraints.md'.
2135
2136 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
2137
2138         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
2139
2140 2017-05-25  Nathan Sidwell  <nathan@acm.org>
2141
2142         * doc/invoke.texi (--enable-languages): Update documentation.
2143
2144 2017-05-25  Martin Liska  <mliska@suse.cz>
2145
2146         * dumpfile.c: Add TDF_FOLDING.
2147         * dumpfile.h (enum dump_kind): Likewise.
2148         * genmatch.c (dt_simplify::gen_1): Use it.
2149
2150 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
2151
2152         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
2153
2154 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
2155
2156         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
2157         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
2158
2159 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
2160
2161         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
2162         * match.pd (X == C): Rewrite it here.
2163         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
2164         with_certain_nonzero_bits2): New predicates.
2165         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
2166
2167 2017-05-24  Nathan Sidwell  <nathan@acm.org>
2168
2169         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
2170         avoid warning.
2171
2172         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
2173         warning.
2174
2175 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
2176
2177         * config/powerpcspe: New port.  Files are copied from the rs6000
2178         port, with "rs6000" in filenames replaced by "powerpcspe".
2179
2180 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
2181
2182         PR rtl-optimization/80754
2183         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
2184
2185 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
2186
2187         * config/sparc/sparc.md (length): Return the correct value for -mflat
2188         sibcalls to match output_sibcall.
2189
2190 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
2191
2192         PR bootstrap/80860
2193         PR bootstrap/80843
2194         * config/rs6000/rs6000.c (struct machine_function): Add new field
2195         n_components.
2196         (rs6000_get_separate_components): Init that field, use it.
2197         (rs6000_components_for_bb): Use the field.
2198
2199 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2200
2201         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
2202
2203 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
2204
2205         PR middle-end/80823
2206         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
2207
2208 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2209
2210         PR target/80725
2211         * config/s390/s390.c (s390_check_qrst_address): Check incoming
2212         address against address_operand predicate.
2213         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
2214
2215 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
2216
2217         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
2218         parameters passed indirectly.
2219
2220 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
2221
2222         * config/i386/i386.md (*movdi_internal): Remove SSE4
2223         alternative 18 (?r, *v).  Update insn attributes.
2224         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
2225         Update insn attributes.
2226         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
2227         Update insn attributes.
2228         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
2229         alternative 1 (r, v). Remove isa attribute.
2230         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
2231         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
2232         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
2233
2234 2017-05-23  Tom de Vries  <tom@codesourcery.com>
2235
2236         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
2237         dg-line directive.
2238
2239 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
2240
2241         * cgraphunit.c (symbol_table::process_new_functions): Update.
2242         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
2243         (inline_generate_summary): Rename to ...
2244         (ipa_fn_summary_generate): ... this one.
2245         (inline_read_summary): Rename to ...
2246         (ipa_fn_summary_read): ... this one.
2247         (inline_write_summary): Rename to ...
2248         (ipa_fn_summary_write): ... this one.
2249         (inline_free_summary): Rename to ...
2250         (ipa_free_fn_summary): ... this one.
2251         (pass_data_local_fn_summary, pass_local_fn_summary,
2252         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
2253         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
2254         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
2255         make_pass_ipa_fn_summary): New.
2256         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
2257         inline_write_summary, inline_free_summary): Remove.
2258         (ipa_free_fn_summary) : New.
2259         * ipa-inline.c (ipa_inline): Update.
2260         (pass_ipa_inline): Do not generate summaries.
2261         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
2262         Remove.
2263         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
2264         and add pass_ipa_fn_summary.
2265         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
2266         New.
2267         (make_pass_inline_parameters): Remove.
2268
2269 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
2270
2271         * omp-low.c (struct omp_context): Remove "default_kind" member.
2272         Adjust all users.
2273
2274         * omp-offload.c (execute_oacc_device_lower): Remove the
2275         parallelism dimensions function attributes for unparallelized
2276         OpenACC kernels constructs.
2277
2278 2017-05-23  Martin Liska  <mliska@suse.cz>
2279
2280         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
2281         functions.
2282         (cgraph_edge::make_speculative): Likewise.
2283         (cgraph_edge::resolve_speculation): Likewise.
2284         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
2285         (cgraph_node::dump): Likewise.
2286         * cgraph.h: Likewise.
2287         * cgraphunit.c (analyze_functions): Likewise.
2288         (symbol_table::compile): Likewise.
2289         * ipa-cp.c (print_all_lattices): Likewise.
2290         (determine_versionability): Likewise.
2291         (initialize_node_lattices): Likewise.
2292         (ipcp_verify_propagated_values): Likewise.
2293         (estimate_local_effects): Likewise.
2294         (update_profiling_info): Likewise.
2295         (create_specialized_node): Likewise.
2296         (perhaps_add_new_callers): Likewise.
2297         (decide_about_value): Likewise.
2298         (decide_whether_version_node): Likewise.
2299         (identify_dead_nodes): Likewise.
2300         (ipcp_store_bits_results): Likewise.
2301         * ipa-devirt.c (dump_targets): Likewise.
2302         (ipa_devirt): Likewise.
2303         * ipa-icf.c (sem_item::dump): Likewise.
2304         (sem_function::equals): Likewise.
2305         (sem_variable::equals): Likewise.
2306         (sem_item_optimizer::read_section): Likewise.
2307         (sem_item_optimizer::execute): Likewise.
2308         (congruence_class::dump): Likewise.
2309         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
2310         (dump_inline_summary): Likewise.
2311         (estimate_node_size_and_time): Likewise.
2312         (inline_analyze_function): Likewise.
2313         * ipa-inline-transform.c (inline_call): Likewise.
2314         * ipa-inline.c (report_inline_failed_reason): Likewise.
2315         (want_early_inline_function_p): Likewise.
2316         (edge_badness): Likewise.
2317         (update_edge_key): Likewise.
2318         (inline_small_functions): Likewise.
2319         * ipa-profile.c (ipa_profile): Likewise.
2320         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2321         (ipa_make_edge_direct_to_target): Likewise.
2322         (remove_described_reference): Likewise.
2323         (ipa_impossible_devirt_target): Likewise.
2324         (propagate_controlled_uses): Likewise.
2325         (ipa_print_node_params): Likewise.
2326         (ipcp_transform_function): Likewise.
2327         * ipa-pure-const.c (pure_const_read_summary): Likewise.
2328         (propagate_pure_const): Likewise.
2329         * ipa-reference.c (generate_summary): Likewise.
2330         (read_write_all_from_decl): Likewise.
2331         (propagate): Likewise.
2332         (ipa_reference_read_optimization_summary): Likewise.
2333         * ipa-utils.c (ipa_merge_profiles): Likewise.
2334         * ipa.c (walk_polymorphic_call_targets): Likewise.
2335         (symbol_table::remove_unreachable_nodes): Likewise.
2336         (ipa_single_use): Likewise.
2337         * passes.c (execute_todo): Likewise.
2338         * predict.c (drop_profile): Likewise.
2339         * symtab.c (symtab_node::get_dump_name): New function.
2340         (symtab_node::dump_name): Likewise.
2341         (symtab_node::dump_asm_name): Likewise.
2342         (symtab_node::dump_references): Likewise.
2343         (symtab_node::dump_referring): Likewise.
2344         (symtab_node::dump_base): Likewise.
2345         (symtab_node::debug_symtab): Likewise.
2346         * tree-sra.c (convert_callers_for_node): Likewise.
2347         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2348         * value-prof.c (init_node_map): Likewise.
2349
2350 2017-05-23  Martin Liska  <mliska@suse.cz>
2351
2352         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
2353         and symtab_node::debug_symtab to symbol_table::debug.
2354         * cgraphunit.c (analyze_functions): Use the renamed function.
2355         (symbol_table::compile): Likewise.
2356         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
2357         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
2358         * passes.c (execute_todo): Likewise.
2359         * symtab.c (symbol_table::dump): New function.
2360         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
2361
2362 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
2363
2364         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
2365         that nonconst implies exec.
2366
2367 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
2368
2369         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
2370         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
2371         (inline_edge_summary_vec): Turn into ...
2372         (ipa_call_summaries): ... this one.
2373         (redirect_to_unreachable, edge_set_predicate,
2374         evaluate_properties_for_edge, inline_summary_alloc,
2375         reset_ipa_call_summary, reset_inline_summary,
2376         inline_summary_t::duplicate): Update.
2377         (inline_edge_duplication_hook): Turn to ...
2378         (ipa_call_summary_t::duplicate): ... this one.
2379         (inline_edge_removal_hook): Turn to ...
2380         (ipa_call_summary_t::remove): ... this one.
2381         (dump_inline_edge_summary): Turn to ...
2382         (dump_ipa_call_summary): ... this one.
2383         (estimate_function_body_sizes): Update.
2384         (inline_update_callee_summaries): Update.
2385         (remap_edge_change_prob): Update.
2386         (remap_edge_summaries): Update.
2387         (inline_merge_summary): Update.
2388         (do_estimate_edge_time): Update.
2389         (inline_generate_summary): Update.
2390         (inline_read_section): Update.
2391         (inline_read_summary): Update.
2392         (inline_free_summary): Update.
2393         * ipa-inline.c (can_inline_edge_p): Update.
2394         (compute_inlined_call_time): Update.
2395         (want_inline_small_function_p): Update.
2396         (edge_badness): Update.
2397         (early_inliner): Update.
2398         * ipa-inline.h (inline_edge_summary): Turn to ...
2399         (ipa_call_summary): ... this one.
2400         (ipa_call_summary_t): New class.
2401         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
2402         (ipa_call_summaries): New.
2403         (inline_edge_summary): Remove.
2404         (estimate_edge_growth): Update.
2405         * ipa-profile.c (ipa_propagate_frequency_1): Update.
2406         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
2407         * ipa-split.c (execute_split_functions): Update.
2408         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
2409
2410 2017-05-23  Tom de Vries  <tom@codesourcery.com>
2411
2412         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
2413         attributes): Document rdrand effective target.
2414
2415 2017-05-23  Tom de Vries  <tom@codesourcery.com>
2416
2417         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
2418         attributes): Sort alphabetically.
2419
2420 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
2421
2422         * config/avr/genmultilib.awk: Use gsub instead of gensub.
2423
2424 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
2425
2426         PR target/80718
2427         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
2428         V2DF/V2DI splat into two separate patterns, one that handles
2429         registers, and the other that only handles memory.  Drop support
2430         for splatting from a GPR on ISA 2.07 and then splitting the
2431         splat into direct move and splat.
2432         (vsx_splat_<mode>_reg): Likewise.
2433         (vsx_splat_<mode>_mem): Likewise.
2434
2435 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
2436
2437         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
2438
2439 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
2440
2441         PR middle-end/80809
2442         * omp-low.c (finish_taskreg_remap): New function.
2443         (finish_taskreg_scan): If unit size of ctx->record_type
2444         is non-constant, unshare the size expression and replace
2445         decls in it with possible outer var refs.
2446
2447         PR middle-end/80809
2448         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
2449         GOVD_SHARED rather than GOVD_PRIVATE with it.
2450         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
2451         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
2452
2453         PR middle-end/80853
2454         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
2455         as last argument to build_outer_var_ref for pointer bases of array
2456         section reductions.
2457
2458 2017-05-19  Martin Sebor  <msebor@redhat.com>
2459
2460         * print-tree.c (print_node): Print DECL_READ_P flag.
2461
2462 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2463
2464         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
2465         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
2466         * cgraph.c: Likewise.
2467         * cgraphunit.c: Likewise.
2468         * gengtype.c: Likewise.
2469         * ipa-cp.c: Likewise.
2470         * ipa-devirt.c: Likewise.
2471         * ipa-icf.c: Likewise.
2472         * ipa-predicate.c: Likewise.
2473         * ipa-profile.c: Likewise.
2474         * ipa-prop.c: Likewise.
2475         * ipa-split.c: Likewise.
2476         * ipa.c: Likewise.
2477         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
2478         edge_predicate_pool, dump_inline_hints,
2479         inline_summary::account_size_time, redirect_to_unreachable,
2480         edge_set_predicate, set_hint_predicate,
2481         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
2482         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
2483         inline_summary_t::remove, remap_hint_predicate_after_duplication,
2484         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
2485         ipa_call_summary_t::remove, initialize_growth_caches,
2486         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
2487         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
2488         mark_modified, unmodified_parm_1, unmodified_parm,
2489         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
2490         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
2491         compute_bb_predicates, will_be_nonconstant_expr_predicate,
2492         will_be_nonconstant_predicate, record_modified_bb_info,
2493         get_minimal_bb, record_modified, param_change_prob,
2494         phi_result_unknown_predicate, predicate_for_phi_result,
2495         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
2496         estimate_function_body_sizes, compute_inline_parameters,
2497         compute_inline_parameters_for_curren, pass_data_inline_parameters,
2498         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
2499         inline_update_callee_summaries, remap_edge_change_prob,
2500         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
2501         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
2502         inline_analyze_function, inline_summary_t::insert,
2503         inline_generate_summary, read_ipa_call_summary, inline_read_section,
2504         inline_read_summary, write_ipa_call_summary, inline_write_summary,
2505         inline_free_summary): Move to ipa-fnsummary.h
2506         (predicate_t): Remove.
2507         * ipa-fnsummary.c: New file.
2508         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
2509         (enum inline_hints_vals, inline_hints, agg_position_info,
2510         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
2511         inline_summaries, ipa_call_summary, ipa_call_summary_t,
2512         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
2513         dump_inline_summary, dump_inline_hints, inline_generate_summary,
2514         inline_read_summary, inline_write_summary, inline_free_summary,
2515         inline_analyze_function, initialize_inline_failed,
2516         inline_merge_summary, inline_update_overall_summary,
2517         compute_inline_parameters): Move to ipa-fnsummary.h
2518         * ipa-fnsummary.h: New file.
2519         * ipa-inline-transform.h: Include ipa-inline.h.
2520         * ipa-inline.c: LIkewise.
2521
2522 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2523
2524         * ipa-inline.c (edge_badness): Use inlined_time instead of
2525         inline_summaries->get.
2526
2527 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2528
2529         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
2530
2531 2017-05-22  Nathan Sidwell  <nathan@acm.org>
2532
2533         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
2534         (fdump-lang): Document 'raw' option.
2535         * dumpfile.h (TDI_tu): Delete.
2536         * dumpfile.c (dump_files): Remove translation-unit.
2537         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
2538
2539 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
2540
2541         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
2542         command option from $(AWK) call.
2543         * config/avr/genmultilib.awk: Simplify and rewrite so that it
2544         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
2545         [FORMAT]: Remove handling of variable.
2546         * config/avr/t-multilib: Regenerate.
2547
2548 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2549
2550         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
2551         self_time.
2552         (dump_inline_summary): Do not print self_time.
2553         (estimate_function_body_sizes): Do not set self_time.
2554         (compute_inline_parameters): Likewise.
2555         (inline_read_section, inline_write_summary): Do not stream self_time.
2556         * ipa-inline.h (inline_summary): Drop self_time.
2557
2558 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
2559
2560         * ipa-inline-analysis.c (account_size_time): Rename to ...
2561         (inline_summary::account_size_time): ... this one.
2562         (reset_ipa_call_summary): Turn to ...
2563         (ipa_call_summary::reset): ... this one.
2564         (reset_inline_summary): Turn to ...
2565         (inline_summary::reset): ... this one.
2566         (inline_summary_t::remove): Update.
2567         (inline_summary_t::duplicate): Update.
2568         (ipa_call_summary_t::remove): Update.
2569         (dump_inline_summary): Update.
2570         (estimate_function_body_sizes): Update.
2571         (compute_inline_parameters): Update.
2572         (estimate_node_size_and_time): Update.
2573         (inline_merge_summary): Update.
2574         (inline_update_overall_summary): Update.
2575         (inline_read_section): Update.
2576         (inline_write_summary): Update.
2577         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
2578         add account_size_time and reset member functions.
2579         (ipa_call_summary): Add reset function.
2580         * ipa-predicate.h (predicate::operator &): Constify.
2581
2582 2017-05-22  Richard Biener  <rguenther@suse.de>
2583
2584         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
2585
2586 2017-05-19  Jason Merrill  <jason@redhat.com>
2587
2588         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
2589
2590 2017-05-19  Marek Polacek  <polacek@redhat.com>
2591
2592         PR sanitizer/80800
2593         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
2594         TYPE_OVERFLOW_WRAPS checks.
2595
2596 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
2597
2598         * tree-core.h (enum omp_clause_default_kind): Add
2599         "OMP_CLAUSE_DEFAULT_PRESENT".
2600         * tree-pretty-print.c (dump_omp_clause): Handle it.
2601         * gimplify.c (enum gimplify_omp_var_data): Add
2602         "GOVD_MAP_FORCE_PRESENT".
2603         (gimplify_adjust_omp_clauses_1): Map it to
2604         "GOMP_MAP_FORCE_PRESENT".
2605         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
2606
2607         * gimplify.c (oacc_default_clause): Clarify.
2608
2609 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2610
2611         LANG_HOOK_REGISTER_DUMPS
2612         * toplev.c (general_init): Call register dump lang hook.
2613         * doc/invoke.texi: Document -fdump-lang option family.
2614         * dumpfile.c (dump_files): Remove class dump here.
2615         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
2616         * dumpfile.h (tree_dump_index): Remove TDI_class.
2617         * langhooks-def.h (lhd_register_dumps): Declare.
2618         (LANG_HOOKS_REGISTER_DUMPS): Define.
2619         (LANG_HOOKS_INITIALIZER): Add it.
2620         * langhooks.c (lhd_register_dumps): Define.
2621         * langhooks.h (struct lang_hooks): Add register_dumps.
2622
2623 2017-05-19  Nathan Sidwell  <nathan@acm.org>
2624
2625         * context.h (context::set_passes): New.
2626         * context.c (context::context): Do not create pass manager.
2627         * toplev.c (general_init): Create pass manager here.
2628
2629 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2630
2631         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
2632         use this splitter if two add or or instructions would also work for
2633         the constant we want to generate.
2634
2635 2017-05-19  Richard Biener  <rguenther@suse.de>
2636
2637         PR build/80821
2638         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
2639         predicate evaluation.
2640
2641 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2642
2643         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
2644         add ctor.
2645         * ipa-inline.c (want_inline_small_function_p): Do not cast to
2646         unsigned.
2647
2648 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
2649
2650         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
2651         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
2652         (inline_edge_summary_vec): Turn into ...
2653         (ipa_call_summaries): ... this one.
2654         (redirect_to_unreachable, edge_set_predicate,
2655         evaluate_properties_for_edge, inline_summary_alloc,
2656         reset_ipa_call_summary, reset_inline_summary,
2657         inline_summary_t::duplicate): Update.
2658         (inline_edge_duplication_hook): Turn to ...
2659         (ipa_call_summary_t::duplicate): ... this one.
2660         (inline_edge_removal_hook): Turn to ...
2661         (ipa_call_summary_t::remove): ... this one.
2662         (dump_inline_edge_summary): Turn to ...
2663         (dump_ipa_call_summary): ... this one.
2664         (estimate_function_body_sizes): Update.
2665         (inline_update_callee_summaries): Update.
2666         (remap_edge_change_prob): Update.
2667         (remap_edge_summaries): Update.
2668         (inline_merge_summary): Update.
2669         (do_estimate_edge_time): Update.
2670         (inline_generate_summary): Update.
2671         (inline_read_section): Update.
2672         (inline_read_summary): Update.
2673         (inline_free_summary): Update.
2674         * ipa-inline.c (can_inline_edge_p): Update.
2675         (compute_inlined_call_time): Update.
2676         (want_inline_small_function_p): Update.
2677         (edge_badness): Update.
2678         (early_inliner): Update.
2679         * ipa-inline.h (inline_edge_summary): Turn to ...
2680         (ipa_call_summary): ... this one.
2681         (ipa_call_summary_t): New class.
2682         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
2683         (ipa_call_summaries): New.
2684         (inline_edge_summary): Remove.
2685         (estimate_edge_growth): Update.
2686         * ipa-profile.c (ipa_propagate_frequency_1): Update.
2687         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
2688         * ipa-split.c (execute_split_functions): Update.
2689         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
2690
2691 2017-05-19  Richard Biener  <rguenther@suse.de>
2692
2693         PR middle-end/80764
2694         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
2695
2696 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
2697
2698         * config/rs6000/rs6000.c (struct machine_function): Add field
2699         fpr_is_wrapped_separately.
2700         (rs6000_get_separate_components): Use 64 components.  Handle the
2701         new FPR components.
2702         (rs6000_components_for_bb): Handle the FPR components.
2703         (rs6000_emit_prologue_components): Handle the FPR components.
2704         (rs6000_emit_epilogue_components): Handle the FPR components.
2705         (rs6000_set_handled_components): Handle the FPR components.
2706         (rs6000_emit_prologue): Don't output prologue code for those FPRs
2707         that are already separately shrink-wrapped.
2708         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
2709         that are already separately shrink-wrapped.
2710
2711 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
2712
2713         PR target/80510
2714         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
2715         New predicate.
2716
2717         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
2718         (define_peephole2 for Altivec d-form load): Add peepholes to catch
2719         cases where the register allocator uses a move and an offsettable
2720         memory operation to/from a FPR register on ISA 2.06/2.07.
2721         (define_peephole2 for Altivec d-form store): Likewise.
2722
2723 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
2724
2725         PR target/80799
2726         * config/i386/mmx.md (*mov<mode>_internal): Enable
2727         alternatives 11, 12, 13 and 14 also for 32bit targets.
2728         Remove alternatives 15, 16, 17 and 18.
2729         * config/i386/sse.md (vec_concatv2di): Change
2730         alternative (!x, *y) to (x, ?!*Yn).
2731
2732 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
2733
2734         * dumpfile.h (enum dump_kind): Remove stray comma.
2735
2736 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2737
2738         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
2739         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
2740         predicate::num_conditions
2741         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
2742         (CHANGED): turn into predicate::changed.
2743         (agg_position_info): Move to ipa-predicate.h
2744         (add_condition, predicate::add_clause, predicate::operator &=,
2745         predicate::or_with, predicate::evaluate, predicate::probability,
2746         dump_condition, dump_clause, predicate::dump,
2747         predicate::remap_after_duplication, predicate::remap_after_inlining,
2748         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
2749         (evaluate_conditions_for_known_args): Update.
2750         (set_cond_stmt_execution_predicate): Update.
2751         * ipa-inline.h: Include ipa-predicate.h
2752         (condition, inline_param_summary, conditions, agg_position_info,
2753         predicate): Move to ipa-predicate.h
2754         * ipa-predicate.c: New file.
2755         * ipa-predicate.h: New file.
2756
2757 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
2758
2759         * final.c (leaf_function_p): Check we are not in a sequence.
2760
2761 2017-05-18  Martin Liska  <mliska@suse.cz>
2762
2763         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
2764         * dumpfile.c (dump_register): Use new enum dump_kind.
2765         (get_dump_file_name): Likewise.
2766         (dump_enable_all): Likewise.
2767         (dump_switch_p_1): Likewise.
2768         (enable_rtl_dump_file): Remove usage of TDF_RTL.
2769         * dumpfile.h (enum dump_kind): New enum type.
2770         (struct dump_file_info): Create constructor and
2771         format fields and comments.
2772         * passes.c (pass_manager::register_one_dump_file):
2773         Use num dump_kind.
2774         * statistics.c (statistics_early_init): Likewise.
2775         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
2776         TDF_TREE with TDF_SLIM.
2777         (gather_memory_references_ref): Likewise.
2778
2779 2017-05-18  Martin Liska  <mliska@suse.cz>
2780
2781         * vec.h (struct vnull): Use it.
2782
2783 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
2784
2785         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
2786         (true_predicate, false_predicate, true_predicate_p,
2787         false_predicate_p): Remove.
2788         (single_cond_predicate, not_inlined_predicate): Turn to member function
2789         in ipa-inline.h
2790         (add_condition): Update.
2791         (add_clause): Turn to...
2792         (predicate::add_clause): ... this one; update; allow passing NULL
2793         as parameter.
2794         (and_predicates): Turn to ...
2795         (predicate::operator &=): ... this one.
2796         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
2797         (or_predicates): Turn to ...
2798         (predicate::or_with): ... this one.
2799         (evaluate_predicate): Turn to ...
2800         (predicate::evaluate): ... this one.
2801         (predicate_probability): Turn to ...
2802         (predicate::probability): ... this one.
2803         (dump_condition): Update.
2804         (dump_predicate): Turn to ...
2805         (predicate::dump): ... this one.
2806         (account_size_time): Update.
2807         (edge_set_predicate): Update.
2808         (set_hint_predicate): UPdate.
2809         (evaluate_conditions_for_known_args): Update.
2810         (evaluate_properties_for_edge): Update.
2811         (remap_predicate_after_duplication): Turn to...
2812         (predicate::remap_after_duplication): ... this one.
2813         (remap_hint_predicate_after_duplication): Update.
2814         (inline_summary_t::duplicate): UPdate.
2815         (dump_inline_edge_summary): Update.
2816         (dump_inline_summary): Update.
2817         (set_cond_stmt_execution_predicate): Update.
2818         (set_switch_stmt_execution_predicate): Update.
2819         (compute_bb_predicates): Update.
2820         (will_be_nonconstant_expr_predicate): Update.
2821         (will_be_nonconstant_predicate): Update.
2822         (phi_result_unknown_predicate): Update.
2823         (predicate_for_phi_result): Update.
2824         (array_index_predicate): Update.
2825         (estimate_function_body_sizes): Update.
2826         (estimate_node_size_and_time): Update.
2827         (estimate_ipcp_clone_size_and_time): Update.
2828         (remap_predicate): Rename to ...
2829         (predicate::remap_after_inlining): ... this one.
2830         (remap_hint_predicate): Update.
2831         (inline_merge_summary): Update.
2832         (inline_update_overall_summary): Update.
2833         (estimate_size_after_inlining): Update.
2834         (read_predicate): Rename to ...
2835         (predicate::stream_in): ... this one.
2836         (read_inline_edge_summary): Update.
2837         (write_predicate): Rename to ...
2838         (predicate::stream_out): ... this one.
2839         (write_inline_edge_summary): Update.
2840         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
2841         (clause_t): Turn to uint32_t
2842         (predicate): Turn to class; implement constructor and operators
2843         ==, !=, &
2844         (size_time_entry): Update.
2845         (inline_summary): Update.
2846         (inline_edge_summary): Update.
2847
2848 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
2849
2850         * fold-const.c (fold_binary_loc): Move transformation...
2851         * match.pd (C - X CMP X): ... here.
2852
2853 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
2854
2855         * config/sparc/sparc.c (sparc_option_override): Set function
2856         alignment for -mcpu=niagara7 to 64 to match the I$ line.
2857         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
2858         latency to 1.
2859         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
2860         latency to 2.
2861         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
2862
2863 2017-05-18  Marek Polacek  <polacek@redhat.com>
2864
2865         PR sanitizer/80797
2866         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
2867         (pass_ubsan::execute): Call gimple_assign_single_p instead of
2868         gimple_assign_load_p.
2869
2870 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2871
2872         PR middle-end/80692
2873         * real.c (do_compare): Give decimal_do_compare preference over
2874         comparing just the signs.
2875
2876 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
2877
2878         * doc/md.texi (Canonicalization of Instructions): Describe the
2879         canonical form of instructions that inherently set a condition
2880         code register.
2881
2882 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
2883
2884         PR middle-end/80775
2885         * tree-cfg.c: Move deletion of unreachable case statements to after
2886         the merging of consecutive case labels.
2887
2888 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2889
2890         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
2891         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
2892         restoring of callee-saved registers.
2893
2894 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2895
2896         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
2897         * config/visium/visium.c (single_set_and_flags): Likewise.
2898         * config/visium/visium.md (Substitutions): Likewise.
2899
2900 2017-05-17  Martin Liska  <mliska@suse.cz>
2901
2902         * cfg.c: Introduce dump_flags_t type and
2903         use it instead of int type.
2904         * cfg.h: Likewise.
2905         * cfghooks.c: Likewise.
2906         * cfghooks.h (struct cfg_hooks): Likewise.
2907         * cfgrtl.c: Likewise.
2908         * cfgrtl.h: Likewise.
2909         * cgraph.c (cgraph_node::get_body): Likewise.
2910         * coretypes.h: Likewise.
2911         * domwalk.c: Likewise.
2912         * domwalk.h: Likewise.
2913         * dumpfile.c (struct dump_option_value_info): Likewise.
2914         (dump_enable_all): Likewise.
2915         (dump_switch_p_1): Likewise.
2916         (opt_info_switch_p): Likewise.
2917         * dumpfile.h (enum tree_dump_index): Likewise.
2918         (struct dump_file_info): Likewise.
2919         * genemit.c: Likewise.
2920         * generic-match-head.c: Likewise.
2921         * gengtype.c (open_base_files): Likewise.
2922         * gimple-pretty-print.c: Likewise.
2923         * gimple-pretty-print.h: Likewise.
2924         * graph.c (print_graph_cfg): Likewise.
2925         * graphite-scop-detection.c (dot_all_sese): Likewise.
2926         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
2927         * loop-unroll.c (report_unroll): Likewise.
2928         * passes.c (pass_manager::register_one_dump_file): Likewise.
2929         * print-tree.c: Likewise.
2930         * statistics.c: Likewise.
2931         * tree-cfg.c: Likewise.
2932         * tree-cfg.h: Likewise.
2933         * tree-dfa.c: Likewise.
2934         * tree-dfa.h: Likewise.
2935         * tree-dump.c (dump_function): Likewise.
2936         * tree-dump.h (struct dump_info): Likewise.
2937         * tree-pretty-print.c: Likewise.
2938         * tree-pretty-print.h: Likewise.
2939         * tree-ssa-live.c: Likewise.
2940         * tree-ssa-live.h: Likewise.
2941         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2942         * tree-vect-loop.c: Likewise.
2943         * tree-vect-slp.c: Likewise.
2944
2945 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
2946             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2947
2948         PR tree-optimization/80457
2949         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
2950         of all arguments to a statement as scalar_to_vec operations.
2951         (vectorizable_call): Adjust call to vect_model_simple_cost for
2952         new parameter.
2953         (vectorizable_conversion): Likewise.
2954         (vectorizable_assignment): Likewise.
2955         (vectorizable_shift): Likewise.
2956         (vectorizable_operation): Likewise.
2957         (vectorizable_comparison): Likewise.
2958         (vect_is_simple_cond): Record the def types for operands.
2959         (vectorizable_condition): Likewise, call vect_model_simple_cost.
2960         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
2961         for statement argument count.
2962
2963 2017-05-16  Carl Love  <cel@us.ibm.com>
2964
2965         * config/rs6000/rs6000-c: Add support for built-in functions
2966         vector unsigned long long vec_bperm (vector unsigned long long,
2967                                              vector unsigned char)
2968         vector signed long long vec_mule (vector signed int,
2969                                           vector signed int)
2970         vector unsigned long long vec_mule (vector unsigned int,
2971                                             vector unsigned int)
2972         vector signed long long vec_mulo (vector signed int,
2973                                           vector signed int)
2974         vector unsigned long long vec_mulo (vector unsigned int,
2975                                             vector unsigned int)
2976         vector signed char vec_sldw (vector signed char,
2977                                      vector signed char,
2978                                      const int)
2979         vector unsigned char vec_sldw (vector unsigned char,
2980                                        vector unsigned char,
2981                                        const int)
2982         vector signed short vec_sldw (vector signed short,
2983                                       vector signed short,
2984                                       const int)
2985         vector unsigned short vec_sldw (vector unsigned short,
2986                                         vector unsigned short,
2987                                         const int)
2988         vector signed int vec_sldw (vector signed int,
2989                                     vector signed int,
2990                                     const int)
2991         vector unsigned int vec_sldw (vector unsigned int,
2992                                       vector unsigned int,
2993                                       const int)
2994         vector signed long long vec_sldw (vector signed long long,
2995                                           vector signed long long,
2996                                           const int)
2997         vector unsigned long long vec_sldw (vector unsigned long long,
2998                                             vector unsigned long long,
2999                                             const int)
3000         * config/rs6000/rs6000-c: Add support for built-in functions
3001         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
3002         * config/rs6000/altivec.h: Add defintion for vec_sldw.
3003         * doc/extend.texi: Update the built-in documentation for the
3004         new built-in functions.
3005
3006 2017-05-16  Marek Polacek  <polacek@redhat.com>
3007
3008         PR sanitizer/80536
3009         PR sanitizer/80386
3010         * tree.c (save_expr): Don't fold the expression.
3011
3012 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
3013
3014         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
3015         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
3016         and (?*y,m).  Update insn attributes.
3017
3018 2017-05-16  Martin Liska  <mliska@suse.cz>
3019
3020         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
3021         flags argument of print_gimple_stmt, print_gimple_expr,
3022         print_generic_stmt and print_generic_expr.
3023         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
3024         * coretypes.h: Likewise.
3025         * except.c (dump_eh_tree): Likewise.
3026         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
3027         * gimple-pretty-print.h: Likewise.
3028         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
3029         (backprop::push_to_worklist): Likewise.
3030         (backprop::pop_from_worklist): Likewise.
3031         (backprop::process_use): Likewise.
3032         (backprop::intersect_uses): Likewise.
3033         (note_replacement): Likewise.
3034         * gimple-ssa-store-merging.c
3035         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
3036         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
3037         (pass_store_merging::execute): Likewise.
3038         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
3039         (ssa_base_cand_dump_callback): Likewise.
3040         (dump_incr_vec): Likewise.
3041         (replace_refs): Likewise.
3042         (replace_mult_candidate): Likewise.
3043         (create_add_on_incoming_edge): Likewise.
3044         (create_phi_basis): Likewise.
3045         (insert_initializers): Likewise.
3046         (all_phi_incrs_profitable): Likewise.
3047         (introduce_cast_before_cand): Likewise.
3048         (replace_one_candidate): Likewise.
3049         * gimplify.c (gimplify_expr): Likewise.
3050         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
3051         (set_rename): Likewise.
3052         (rename_uses): Likewise.
3053         (copy_loop_phi_nodes): Likewise.
3054         (add_close_phis_to_merge_points): Likewise.
3055         (copy_loop_close_phi_args): Likewise.
3056         (copy_cond_phi_args): Likewise.
3057         (graphite_copy_stmts_from_block): Likewise.
3058         (translate_pending_phi_nodes): Likewise.
3059         * graphite-poly.c (print_pdr): Likewise.
3060         (dump_gbb_cases): Likewise.
3061         (dump_gbb_conditions): Likewise.
3062         (print_scop_params): Likewise.
3063         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
3064         (build_cross_bb_scalars_use): Likewise.
3065         (gather_bbs::before_dom_children): Likewise.
3066         * hsa-dump.c (dump_hsa_immed): Likewise.
3067         * ipa-cp.c (print_ipcp_constant_value): Likewise.
3068         (get_replacement_map): Likewise.
3069         * ipa-inline-analysis.c (dump_condition): Likewise.
3070         (estimate_function_body_sizes): Likewise.
3071         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
3072         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
3073         * ipa-prop.c (ipa_dump_param): Likewise.
3074         (ipa_print_node_jump_functions_for_edge): Likewise.
3075         (ipa_modify_call_arguments): Likewise.
3076         (ipa_modify_expr): Likewise.
3077         (ipa_dump_param_adjustments): Likewise.
3078         (ipa_dump_agg_replacement_values): Likewise.
3079         (ipcp_modif_dom_walker::before_dom_children): Likewise.
3080         * ipa-pure-const.c (check_stmt): Likewise.
3081         (pass_nothrow::execute): Likewise.
3082         * ipa-split.c (execute_split_functions): Likewise.
3083         * omp-offload.c (dump_oacc_loop_part): Likewise.
3084         (dump_oacc_loop): Likewise.
3085         * trans-mem.c (tm_log_emit): Likewise.
3086         (tm_memopt_accumulate_memops): Likewise.
3087         (dump_tm_memopt_set): Likewise.
3088         (dump_tm_memopt_transform): Likewise.
3089         * tree-cfg.c (gimple_verify_flow_info): Likewise.
3090         (print_loop): Likewise.
3091         * tree-chkp-opt.c (chkp_print_addr): Likewise.
3092         (chkp_gather_checks_info): Likewise.
3093         (chkp_get_check_result): Likewise.
3094         (chkp_remove_check_if_pass): Likewise.
3095         (chkp_use_outer_bounds_if_possible): Likewise.
3096         (chkp_reduce_bounds_lifetime): Likewise.
3097         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
3098         (chkp_mark_completed_bounds): Likewise.
3099         (chkp_register_incomplete_bounds): Likewise.
3100         (chkp_mark_invalid_bounds): Likewise.
3101         (chkp_maybe_copy_and_register_bounds): Likewise.
3102         (chkp_build_returned_bound): Likewise.
3103         (chkp_get_bound_for_parm): Likewise.
3104         (chkp_build_bndldx): Likewise.
3105         (chkp_get_bounds_by_definition): Likewise.
3106         (chkp_generate_extern_var_bounds): Likewise.
3107         (chkp_get_bounds_for_decl_addr): Likewise.
3108         * tree-chrec.c (chrec_apply): Likewise.
3109         * tree-data-ref.c (dump_data_reference): Likewise.
3110         (dump_subscript): Likewise.
3111         (dump_data_dependence_relation): Likewise.
3112         (analyze_overlapping_iterations): Likewise.
3113         * tree-inline.c (expand_call_inline): Likewise.
3114         (tree_function_versioning): Likewise.
3115         * tree-into-ssa.c (dump_defs_stack): Likewise.
3116         (dump_currdefs): Likewise.
3117         (dump_names_replaced_by): Likewise.
3118         (dump_update_ssa): Likewise.
3119         (update_ssa): Likewise.
3120         * tree-object-size.c (pass_object_sizes::execute): Likewise.
3121         * tree-parloops.c (build_new_reduction): Likewise.
3122         (try_create_reduction_list): Likewise.
3123         (ref_conflicts_with_region): Likewise.
3124         (oacc_entry_exit_ok_1): Likewise.
3125         (oacc_entry_exit_single_gang): Likewise.
3126         * tree-pretty-print.h: Likewise.
3127         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
3128         (get_scalar_evolution): Likewise.
3129         (add_to_evolution): Likewise.
3130         (get_loop_exit_condition): Likewise.
3131         (analyze_evolution_in_loop): Likewise.
3132         (analyze_initial_condition): Likewise.
3133         (analyze_scalar_evolution): Likewise.
3134         (instantiate_scev): Likewise.
3135         (number_of_latch_executions): Likewise.
3136         (gather_chrec_stats): Likewise.
3137         (final_value_replacement_loop): Likewise.
3138         (scev_const_prop): Likewise.
3139         * tree-sra.c (dump_access): Likewise.
3140         (disqualify_candidate): Likewise.
3141         (create_access): Likewise.
3142         (reject): Likewise.
3143         (maybe_add_sra_candidate): Likewise.
3144         (create_access_replacement): Likewise.
3145         (analyze_access_subtree): Likewise.
3146         (analyze_all_variable_accesses): Likewise.
3147         (sra_modify_assign): Likewise.
3148         (initialize_constant_pool_replacements): Likewise.
3149         (find_param_candidates): Likewise.
3150         (decide_one_param_reduction): Likewise.
3151         (replace_removed_params_ssa_names): Likewise.
3152         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3153         * tree-ssa-copy.c (dump_copy_of): Likewise.
3154         (copy_prop_visit_cond_stmt): Likewise.
3155         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
3156         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
3157         (record_equivalences_from_stmt): Likewise.
3158         * tree-ssa-dse.c (compute_trims): Likewise.
3159         (delete_dead_call): Likewise.
3160         (delete_dead_assignment): Likewise.
3161         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
3162         (forward_propagate_into_cond): Likewise.
3163         (pass_forwprop::execute): Likewise.
3164         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
3165         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
3166         Likewise.
3167         (move_computations_worker): Likewise.
3168         (execute_sm): Likewise.
3169         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
3170         (remove_exits_and_undefined_stmts): Likewise.
3171         (remove_redundant_iv_tests): Likewise.
3172         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
3173         (adjust_iv_update_pos): Likewise.
3174         * tree-ssa-math-opts.c (bswap_replace): Likewise.
3175         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
3176         (value_replacement): Likewise.
3177         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3178         * tree-ssa-pre.c (print_pre_expr): Likewise.
3179         (get_representative_for): Likewise.
3180         (create_expression_by_pieces): Likewise.
3181         (insert_into_preds_of_block): Likewise.
3182         (eliminate_insert): Likewise.
3183         (eliminate_dom_walker::before_dom_children): Likewise.
3184         (eliminate): Likewise.
3185         (remove_dead_inserted_code): Likewise.
3186         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
3187         * tree-ssa-reassoc.c (get_rank): Likewise.
3188         (eliminate_duplicate_pair): Likewise.
3189         (eliminate_plus_minus_pair): Likewise.
3190         (eliminate_not_pairs): Likewise.
3191         (undistribute_ops_list): Likewise.
3192         (eliminate_redundant_comparison): Likewise.
3193         (update_range_test): Likewise.
3194         (optimize_range_tests_var_bound): Likewise.
3195         (optimize_vec_cond_expr): Likewise.
3196         (rewrite_expr_tree): Likewise.
3197         (rewrite_expr_tree_parallel): Likewise.
3198         (linearize_expr): Likewise.
3199         (break_up_subtract): Likewise.
3200         (linearize_expr_tree): Likewise.
3201         (attempt_builtin_powi): Likewise.
3202         (attempt_builtin_copysign): Likewise.
3203         (transform_stmt_to_copy): Likewise.
3204         (transform_stmt_to_multiply): Likewise.
3205         (dump_ops_vector): Likewise.
3206         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
3207         (print_scc): Likewise.
3208         (set_ssa_val_to): Likewise.
3209         (visit_reference_op_store): Likewise.
3210         (visit_use): Likewise.
3211         (sccvn_dom_walker::before_dom_children): Likewise.
3212         (run_scc_vn): Likewise.
3213         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
3214         Likewise.
3215         (expr_hash_elt::print): Likewise.
3216         (const_and_copies::pop_to_marker): Likewise.
3217         (const_and_copies::record_const_or_copy_raw): Likewise.
3218         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
3219         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
3220         (dump_predicates): Likewise.
3221         (find_uninit_use): Likewise.
3222         (warn_uninitialized_phi): Likewise.
3223         (pass_late_warn_uninitialized::execute): Likewise.
3224         * tree-ssa.c (verify_vssa): Likewise.
3225         (verify_ssa): Likewise.
3226         (maybe_optimize_var): Likewise.
3227         * tree-vrp.c (dump_value_range): Likewise.
3228         (dump_all_value_ranges): Likewise.
3229         (dump_asserts_for): Likewise.
3230         (register_edge_assert_for_2): Likewise.
3231         (vrp_visit_cond_stmt): Likewise.
3232         (vrp_visit_switch_stmt): Likewise.
3233         (vrp_visit_stmt): Likewise.
3234         (vrp_visit_phi_node): Likewise.
3235         (simplify_cond_using_ranges_1): Likewise.
3236         (fold_predicate_in): Likewise.
3237         (evrp_dom_walker::before_dom_children): Likewise.
3238         (evrp_dom_walker::push_value_range): Likewise.
3239         (evrp_dom_walker::pop_value_range): Likewise.
3240         (execute_early_vrp): Likewise.
3241
3242 2017-05-16  Richard Biener  <rguenther@suse.de>
3243
3244         * dwarf2out.c (loc_list_from_tree_1): Do not create
3245         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
3246
3247 2017-05-16  Richard Biener  <rguenther@suse.de>
3248
3249         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
3250         just generated.
3251         (note_variable_value_in_expr): If we resolved the decl ref
3252         do not push to the stack.
3253
3254 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
3255
3256         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
3257         operations in fast-math mode.
3258         (vaddq_f16): Likewise.
3259         (vmul_f16): Likewise.
3260         (vmulq_f16): Likewise.
3261         (vsub_f16): Likewise.
3262         (vsubq_f16): Likewise.
3263         * config/arm/neon.md (add<mode>3): New.
3264         (sub<mode>3): New.
3265         (fma:<VH:mode>3): New.  Also remove outdated comment.
3266         (mul<mode>3): New.
3267
3268 2017-05-16  Martin Liska  <mliska@suse.cz>
3269
3270         PR ipa/79849.
3271         PR ipa/79850.
3272         * ipa-devirt.c (warn_types_mismatch): Fix typo.
3273         (odr_types_equivalent_p): Likewise.
3274
3275 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
3276
3277         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
3278
3279 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
3280
3281         PR target/80425
3282         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
3283         non-interunit SSE move alternatives with '?'.
3284         (zero-extendsidi peephole2): New peephole to skip intermediate
3285         general register in SSE zero-extend sequence.
3286
3287 2017-05-15  Jeff Law  <law@redhat.com>
3288
3289         * reorg.c (relax_delay_slots): Create a new variable to hold
3290         the temporary target rather than clobbering TARGET_LABEL.
3291
3292         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
3293         missing argument to extract_bit_field call.
3294         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
3295
3296 2017-05-15  Martin Liska  <mliska@suse.cz>
3297
3298         PR driver/31468
3299         * gcc.c (process_command): Do not allow empty argument of -o option.
3300
3301 2017-05-15  Renlin Li  <renlin.li@arm.com>
3302
3303         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
3304         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
3305         * config/aarch64/constraints.md (Usf): Add long call check.
3306         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
3307         (call_value): Likewise.
3308         (sibcall): Likewise.
3309         (sibcall_value): Likewise.
3310         (call_insn): New.
3311         (call_value_insn): New.
3312         (sibcall_insn): Update rtx pattern.
3313         (sibcall_value_insn): Likewise.
3314         (call_internal): Remove.
3315         (call_value_internal): Likewise.
3316         (sibcall_internal): Likewise.
3317         (sibcall_value_internal): Likewise.
3318         (call_reg): Likewise.
3319         (call_symbol): Likewise.
3320         (call_value_reg): Likewise.
3321         (call_value_symbol): Likewise.
3322
3323 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
3324
3325         PR target/80600
3326         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
3327
3328 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
3329
3330         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
3331         compatible with CCGOCmode and with CCZmode.
3332
3333 2017-05-14  Martin Sebor  <msebor@redhat.com>
3334
3335         PR middle-end/77671
3336         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
3337         (gimple_fold_builtin_snprintf): Same.
3338         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
3339         (gimple_fold_builtin_snprintf): Same.
3340         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
3341         of character types.
3342         (is_call_safe): New function.
3343         (try_substitute_return_value): Call it.
3344         (try_simplify_call): New function.
3345         (pass_sprintf_length::handle_gimple_call): Call it.
3346
3347 2017-05-14  Martin Sebor  <msebor@redhat.com>
3348
3349         PR middle-end/80669
3350         * builtins.c (expand_builtin_stpncpy): Simplify.
3351
3352 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
3353
3354         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
3355         * config/i386/i386.h
3356         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
3357         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
3358         (struct machine_function): Add new members call_ms2sysv,
3359         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
3360         (struct machine_frame_state): New fields sp_realigned and
3361         sp_realigned_offset.
3362         * config/i386/i386.c
3363         (enum xlogue_stub): New enum.
3364         (enum xlogue_stub_sets): New enum.
3365         (class xlogue_layout): New class.
3366         (struct ix86_frame): New fields stack_realign_allocate_offset,
3367         stack_realign_offset and outlined_save_offset.  Modify comments to
3368         detail stack layout when using out-of-line stubs.
3369         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
3370         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
3371         -mcall-ms2sysv-xlogues.
3372         (stub_managed_regs): New static variable.
3373         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
3374         registers managed by out-of-line stub.
3375         (disable_call_ms2sysv_xlogues): New function.
3376         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
3377         m->call_ms2sysv when appropriate and compute frame layout for
3378         out-of-line stubs.
3379         (sp_valid_at, fp_valid_at): New inline functions.
3380         (choose_basereg): New function.
3381         (choose_baseaddr): Add align parameter, use choose_basereg and modify
3382         all callers.
3383         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
3384         Use align parameter of choose_baseaddr to generated aligned SSE movs
3385         when possible.
3386         (pro_epilogue_adjust_stack): Modify to track
3387         machine_frame_state::sp_realigned.
3388         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
3389         (ix86_nsaved_sseregs): Likewise.
3390         (ix86_emit_save_regs): Likewise.
3391         (ix86_emit_save_regs_using_mov): Likewise.
3392         (ix86_emit_save_sse_regs_using_mov): Likewise.
3393         (get_scratch_register_on_entry): Likewise.
3394         (gen_frame_set): New function.
3395         (gen_frame_load): Likewise.
3396         (gen_frame_store): Likewise.
3397         (emit_outlined_ms2sysv_save): Likewise.
3398         (emit_outlined_ms2sysv_restore): Likewise.
3399         (ix86_expand_prologue): Modify stack re-alignment code and call
3400         emit_outlined_ms2sysv_save when appropriate.
3401         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
3402         parameter rtx_insn *insn, which allows the function to be used to only
3403         generate the notes.
3404         (ix86_expand_epilogue): Modify validity checks of frame and stack
3405         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
3406         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
3407         * config/i386/predicates.md
3408         (save_multiple): New predicate.
3409         (restore_multiple): Likewise.
3410         * config/i386/sse.md
3411         (save_multiple<mode>): New pattern.
3412         (save_multiple_realign<mode>): Likewise.
3413         (restore_multiple<mode>): Likewise.
3414         (restore_multiple_and_return<mode>): Likewise.
3415         (restore_multiple_leave_return<mode>): Likewise.
3416         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
3417
3418 2017-05-14  Julia Koval  <julia.koval@intel.com>
3419
3420         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
3421         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
3422         (__builtin_ia32_xsetbv): New builtins.
3423         * config/i386/i386.c (ix86_expand_special_args_builtin):
3424         Process new types.
3425         (ix86_expand_builtin): Special expand for new intrinsics.
3426         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
3427         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
3428         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
3429
3430 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3431
3432         * cfganal.c (inverted_post_order_compute): Change argument type
3433         to vec *.
3434         * cfganal.h (inverted_post_order_compute): Adjust prototype.
3435         * df-core.c (rest_of_handle_df_initialize): Adjust.
3436         (rest_of_handle_df_finish): Likewise.
3437         (df_analyze_1): Likewise.
3438         (df_analyze): Likewise.
3439         (loop_inverted_post_order_compute): Change argument to be a vec *.
3440         (df_analyze_loop): Adjust.
3441         (df_get_n_blocks): Likewise.
3442         (df_get_postorder): Likewise.
3443         * df.h (struct df_d): Change field to be a vec.
3444         * lcm.c (compute_laterin): Adjust.
3445         (compute_available): Likewise.
3446         * lra-lives.c (lra_create_live_ranges_1): Likewise.
3447         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3448         * tree-ssa-pre.c (compute_antic): Likewise.
3449
3450 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3451
3452         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
3453         (depth_first_search::depth_first_search): Change structure init
3454         function to this constructor.
3455         (depth_first_search::add_bb): Rename function to this member.
3456         (depth_first_search::execute): Likewise.
3457         (flow_dfs_compute_reverse_finish): Adjust.
3458
3459 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3460
3461         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
3462         (longest_simple_path): Likewise.
3463         * shrink-wrap.c (spread_components): Likewise.
3464         (disqualify_problematic_components): Likewise.
3465         (emit_common_heads_for_components): Likewise.
3466         (emit_common_tails_for_components): Likewise.
3467         (insert_prologue_epilogue_for_components): Likewise.
3468
3469 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3470
3471         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
3472         auto_sbitmap.
3473
3474 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3475
3476         * df-core.c (df_set_blocks): Start using auto_bitmap.
3477         (df_compact_blocks): Likewise.
3478         * df-problems.c (df_rd_confluence_n): Likewise.
3479         * df-scan.c (df_insn_rescan_all): Likewise.
3480         (df_process_deferred_rescans): Likewise.
3481         (df_update_entry_block_defs): Likewise.
3482         (df_update_exit_block_uses): Likewise.
3483         (df_entry_block_bitmap_verify): Likewise.
3484         (df_exit_block_bitmap_verify): Likewise.
3485         (df_scan_verify): Likewise.
3486         * lra-constraints.c (lra_constraints): Likewise.
3487         (undo_optional_reloads): Likewise.
3488         (lra_undo_inheritance): Likewise.
3489         * lra-remat.c (calculate_gen_cands): Likewise.
3490         (do_remat): Likewise.
3491         * lra-spills.c (assign_spill_hard_regs): Likewise.
3492         (spill_pseudos): Likewise.
3493         * tree-ssa-pre.c (bitmap_set_and): Likewise.
3494         (bitmap_set_subtract_values): Likewise.
3495
3496 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3497
3498         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
3499         management with auto_bitmap.
3500         (fix_inter_tick): Likewise.
3501         (fix_recovery_deps): Likewise.
3502         * ira.c (add_store_equivs): Likewise.
3503         (find_moveable_pseudos): Likewise.
3504         (split_live_ranges_for_shrink_wrap): Likewise.
3505         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
3506         (rtx_reuse_manager::seen_def_p): Likewise.
3507         (rtx_reuse_manager::set_seen_def): Likewise.
3508         * print-rtl.h (class rtx_reuse_manager): Likewise.
3509
3510 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3511
3512         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
3513         lifetime.
3514         (migrate_btr_def): Likewise.
3515         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3516         * df-core.c (loop_post_order_compute): Likewise.
3517         (loop_inverted_post_order_compute): Likewise.
3518         * hsa-common.h: Likewise.
3519         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
3520         * init-regs.c (initialize_uninitialized_regs): Likewise.
3521         * ipa-inline.c (resolve_noninline_speculation): Likewise.
3522         (inline_small_functions): Likewise.
3523         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
3524         * ira.c (combine_and_move_insns): Likewise.
3525         (build_insn_chain): Likewise.
3526         * loop-invariant.c (find_invariants): Likewise.
3527         * lower-subreg.c (propagate_pseudo_copies): Likewise.
3528         * predict.c (tree_predict_by_opcode): Likewise.
3529         (predict_paths_leading_to): Likewise.
3530         (predict_paths_leading_to_edge): Likewise.
3531         (estimate_loops_at_level): Likewise.
3532         (estimate_loops): Likewise.
3533         * shrink-wrap.c (try_shrink_wrapping): Likewise.
3534         (spread_components): Likewise.
3535         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
3536         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
3537         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
3538         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
3539         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
3540         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3541         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
3542         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
3543         (mark_threaded_blocks): Likewise.
3544         (thread_through_all_blocks): Likewise.
3545         * tree-ssa.c (verify_ssa): Likewise.
3546         (execute_update_addresses_taken): Likewise.
3547         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
3548
3549 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3550
3551         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
3552         auto_vec.
3553         (post_order_compute): Likewise.
3554         (inverted_post_order_compute): Likewise.
3555         (pre_and_rev_post_order_compute_fn): Likewise.
3556
3557 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3558
3559         * genrecog.c (int_set::int_set): Explicitly construct our
3560         auto_vec base class.
3561         * vec.h (auto_vec::auto_vec): New constructor.
3562
3563 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3564
3565         * bitmap.h (class auto_bitmap): New constructor taking
3566         bitmap_obstack * argument.
3567
3568 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3569
3570         * bitmap.h (class auto_bitmap): Change type of m_bits to
3571         bitmap_head, and adjust ctor / dtor and member operators.
3572
3573 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
3574
3575         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
3576         when returned register mode doesn't match original mode.
3577
3578 2017-05-12  Jeff Law  <law@redhat.com>
3579             Jakub Jelinek  <jakub@redhat.com>
3580
3581         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
3582         we look for cc setter after the compare-elim changes.
3583         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
3584         within the vector to match what compare-elim now expects.
3585         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
3586         (xorsi3_flags, one_cmplsi2_flags): Likewise.
3587
3588         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
3589         after the compare-elim changes.
3590         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
3591         the vector to match what compare-elim now expects.
3592         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
3593         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
3594         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
3595         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
3596         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
3597
3598         * config/visium/visium.c (single_set_and_flags): Fix where
3599         we look for cc setter after the compare-elim changes.
3600         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
3601         with the vector to match what compare-elim now expects.
3602         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
3603         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
3604         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
3605         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
3606         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
3607         (neg<mode>2_insn_set_overflow): Likewise.
3608
3609 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
3610
3611         PR middle-end/79794
3612         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
3613         maybe_expand_insn call, set ops[0].target.  If still set after call,
3614         set alt_rtl.  Add extra arg to recursive calls.
3615         (extract_bit_field): Add alt_rtl argument.  Pass to
3616         extract_bit_field.
3617         * expmed.h (extract_bit_field): Fix prototype.
3618         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
3619         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
3620         to extract_bit_field_calls.
3621         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
3622         Pass alt_rtl to extract_bit_field calls.
3623         * calls.c (store_unaligned_arguments_into_psuedos)
3624         load_register_parameters): Pass extra NULL to extract_bit_field calls.
3625         * optabs.c (maybe_legitimize_operand): Clear op->target when call
3626         gen_reg_rtx.
3627         * optabs.h (struct expand_operand): Add target bitfield.
3628
3629 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3630
3631         * compare-elim.c (try_eliminate_compare): Canonicalize
3632         operation with embedded compare to
3633         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
3634          (set (reg) (operation)].
3635
3636         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
3637
3638 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
3639
3640         PR target/80723
3641         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
3642         cost of adding a carry flag for ADC instruction.
3643         [case MINUS]: Ignore the cost of subtracting a carry flag
3644         for SBB instruction.
3645
3646 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
3647
3648         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
3649         and x86intrin.h
3650         * config/rs6000/bmiintrin.h: New file.
3651         * config/rs6000/bmi2intrin.h: New file.
3652         * config/rs6000/x86intrin.h: New file.
3653
3654 2017-05-12  Jeff Law  <law@redhat.com>
3655
3656         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
3657         markers.
3658
3659 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
3660
3661         PR middle-end/80707
3662         * tree-cfg.c: Remove cfg edges of unreachable case statements.
3663
3664 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3665
3666         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3667         early expansion of vector divide builtins.
3668         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
3669         builtins identified as having unsigned arguments.
3670
3671 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3672
3673         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
3674         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
3675         expansion of vector logical operations (and, andc, or, xor,
3676         nor, orc, nand).
3677
3678 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3679
3680         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
3681         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
3682
3683 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
3684
3685         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
3686         early GIMPLE expansion of vector multiplies.
3687
3688 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
3689
3690         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
3691         TARGET_HAVE_MOVT conditional.
3692         (movt splitter): Likewise.
3693
3694 2017-05-12  Richard Biener  <rguenther@suse.de>
3695
3696         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
3697         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3698         Fold all stmts not inplace.
3699
3700 2017-05-12  Richard Biener  <rguenther@suse.de>
3701
3702         PR tree-optimization/80713
3703         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
3704         inserted_exprs bit for not removed stmts.
3705
3706 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
3707
3708         PR middle-end/69921
3709         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
3710         parallelized" attribute for parallelized OpenACC kernels.
3711         * omp-offload.c (execute_oacc_device_lower): Use it.
3712
3713         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
3714         Set "oacc kernels" attribute.
3715         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
3716         parameter.  Adjust all users.
3717         (oacc_fn_attrib_kernels_p): Remove function.
3718         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
3719         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
3720         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
3721         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
3722         assert "oacc kernels" attribute is set.
3723
3724 2017-05-11  Carl Love  <cel@us.ibm.com>
3725
3726         * config/rs6000/rs6000-c: Add support for built-in functions
3727         vector unsigned char vec_popcnt (vector signed char)
3728         vector unsigned char vec_popcnt (vector unsigned char)
3729         vector unsigned short vec_popcnt (vector signed short)
3730         vector unsigned short vec_popcnt (vector unsigned short)
3731         vector unsigned int vec_popcnt (vector signed int)
3732         vector unsigned int vec_popcnt (vector unsigned int)
3733         vector unsigned long long vec_popcnt (vector signed long long)
3734         vector unsigned long long vec_popcnt (vector unsigned long long)
3735         vector signed long long vec_slo (vector signed long long,
3736                                          vector signed char)
3737         vector signed long long vec_slo (vector signed long long,
3738                                          vector unsigned char)
3739         vector unsigned long long vec_slo (vector unsigned long long,
3740                                            vector signed char)
3741         vector unsigned long long vec_slo (vector unsigned long long,
3742                                            vector unsigned char)
3743         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
3744         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
3745         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
3746         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
3747         * doc/extend.texi: Update the built-in documentation file for the
3748         new built-in functions.
3749
3750 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3751
3752         * attribs.h (sorted_attr_string): Move machine independent
3753         functions for target clone support from the i386 port to common
3754         code.  Rename ix86_function_versions to common_function_versions.
3755         Rename make_name to make_unique_name.
3756         (common_function_versions): Likewise.
3757         (make_unique_name): Likewise.
3758         (make_dispatcher_decl): Likewise.
3759         (is_function_default_version): Likewise.
3760         * attribs.c (attr_strcmp): Likewise.
3761         (sorted_attr_string): Likewise.
3762         (common_function_versions): Likewise.
3763         (make_unique_name): Likewise.
3764         (make_dispatcher_decl): Likewise.
3765         (is_function_default_version): Likewise.
3766         * config/i386/i386.c (attr_strcmp): Likewise.
3767         (sorted_attr_string): Likewise.
3768         (ix86_function_versions): Likewise.
3769         (make_name): Likewise.
3770         (make_dispatcher_decl): Likewise.
3771         (is_function_default_version): Likewise.
3772         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
3773
3774 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3775
3776         PR target/80695
3777         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
3778         Account for direct move costs for vec_construct of integer
3779         vectors.
3780
3781 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
3782
3783         PR target/80706
3784         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
3785         (UNSPEC_STX_ATOMIC): Ditto.
3786         (loaddi_via_sse): New insn.
3787         (storedi_via_sse): Ditto.
3788         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
3789         Update corresponding peephole2 patterns.
3790         (atomic_storedi_fpu): Ditto.
3791
3792 2017-05-11  Julia Koval  <julia.koval@intel.com>
3793
3794         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
3795         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
3796         New intrinsics.
3797         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
3798         (__builtin_ia32_rsqrt14ss_mask): New builtins.
3799         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
3800
3801 2017-05-11  Nathan Sidwell  <nathan@acm.org>
3802
3803         * graphite-poly.c: Include dumpfile.h.
3804
3805         * dumpfle.h (dump_function): Declare here ...
3806         * tree-dump.h (dump_function): ... not here.
3807         * dumpfile.c: #include tree-cfg.h.
3808         (dump_function): Move here from ...
3809         * tree-dump.c (dump_function): ... here.
3810         * gimplify.c: #include splay-tree.h, not tree-dump.h.
3811         * graphite-poly.c: Don't include tree-dump.h.
3812         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
3813         * print-tree.c: Likewise.
3814         * stor-layout.c: Likewise.
3815         * tree-nested.c: Likewise.
3816
3817         * dumpfile.c (dump_start): Use TDF_FLAGS.
3818         (dump_enable_all): Fix TDF_KIND check thinko.
3819
3820 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3821
3822         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3823         array entries to represent two legal parameterizations of the
3824         overloaded __builtin_cmpb function, as represented by the
3825         P6_OV_BUILTIN_CMPB constant.
3826         (altivec_resolve_overloaded_builtin): Add special case handling
3827         for the __builtin_cmpb function, as represented by the
3828         P6_OV_BUILTIN_CMPB constant.
3829         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
3830         (BU_P6_64BIT_2): New macro.
3831         (BU_P6_OVERLOAD_2): New macro
3832         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
3833         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
3834         (CMPB): Add overload support to represent both 32-bit and 64-bit
3835         compare-bytes function.
3836         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
3837         support for TARGET_CMPB.
3838         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
3839         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
3840         documentation of the __builtin_cmpb overloaded built-in function.
3841
3842 2017-05-11  Richard Biener  <rguenther@suse.de>
3843
3844         PR tree-optimization/80705
3845         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
3846         bases are not vectorizable.
3847
3848 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3849
3850         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
3851         when counting register pressure.
3852
3853 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3854
3855         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
3856         (iv_ca_more_deps): Renamed to ...
3857         (iv_ca_compare_deps): ... this.
3858         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
3859
3860 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3861
3862         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
3863         to ...
3864         (determine_group_iv_costs): ... here.
3865         (find_inv_vars_cb): Record inv var if it's not recorded before.
3866
3867 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3868
3869         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
3870         (get_shiftadd_cost): Ditto.
3871
3872 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3873
3874         * tree-ssa-address.c: Include header file.
3875         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
3876         address.
3877         (add_to_parts): Refactor.
3878         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
3879         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
3880         in new order.
3881
3882 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3883
3884         PR tree-optimization/53090
3885         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
3886         COMP_IV_EXPR_2.
3887         (extract_cond_operands): Detect condition with IV on both sides
3888         and return COMP_IV_EXPR_2.
3889         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
3890         (rewrite_use_compare): Simplify by removing call to function
3891         extract_cond_operands.
3892
3893 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3894
3895         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
3896         (extract_cond_operands): Detect condition comparing against non-
3897         invariant bound and return appropriate enum value.
3898         (find_interesting_uses_cond): Update use of extract_cond_operands.
3899         Handle its return value accordingly.
3900         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
3901
3902 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3903
3904         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
3905         nonlinear iv_use computation in loop invariant sensitive way.
3906
3907 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3908
3909         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
3910         (find_iv_candidates): Call relate_compare_use_with_all_cands.
3911
3912 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3913
3914         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
3915         (dump_cand): Support iv_cand.inv_exprs.
3916         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
3917         for candidates.
3918         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
3919         iv_cand.inv_exprs.
3920
3921 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3922
3923         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
3924         from ...
3925         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
3926         as local function.  Include necessary header files.
3927         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
3928
3929 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3930
3931         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
3932
3933 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3934
3935         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
3936         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
3937         RSHIFT_EXPR and BIT_NOT_EXPR.
3938
3939 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3940
3941         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
3942         (adjust_setup_cost): New parameter supporting round up adjustment.
3943         (struct address_cost_data): Delete.
3944         (force_expr_to_var_cost): Don't bound cost with spill_cost.
3945         (split_address_cost, ptr_difference_cost): Delete.
3946         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
3947         (struct ainc_cost_data): New struct.
3948         (get_address_cost_ainc): New function.
3949         (get_address_cost, get_computation_cost): Reimplement.
3950         (determine_group_iv_cost_address): Record inv_expr for all uses of
3951         a group.
3952         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
3953         (iv_ca_has_deps): Reimplemented to ...
3954         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
3955         than OLD_CP.
3956         (iv_ca_extend): Call iv_ca_more_deps.
3957
3958 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3959
3960         * tree-ssa-address.c (struct mem_address): Move to header file.
3961         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
3962         * tree-ssa-address.h (struct mem_address): Move from C file.
3963         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
3964
3965 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3966
3967         * tree-affine.h (aff_combination_type): New interface.
3968         (aff_combination_zero_p): Remove static.
3969         (aff_combination_const_p): New interface.
3970         (aff_combination_singleton_var_p): New interfaces.
3971
3972 2017-05-11  Richard Biener  <rguenther@suse.de>
3973
3974         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
3975         Skip unreachable blocks and destinations.
3976         (eliminate): Move stmt removal and fixup ...
3977         (fini_eliminate): ... here.  Skip inserted exprs.
3978         (pass_pre::execute): Move fini_pre after fini_eliminate.
3979         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
3980         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
3981         PRE to get rid of dead code that has invalid SSA form and
3982         split critical edges again.
3983
3984 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
3985
3986         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
3987
3988 2017-05-11  Richard Biener  <rguenther@suse.de>
3989
3990         * passes.c (execute_function_todo): Verify loops if they are
3991         said to be up-to-date.
3992         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
3993         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
3994
3995 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
3996
3997         PR target/80090
3998         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
3999         handle calling assemble_external ourself.
4000
4001         PR target/79027
4002         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
4003         modes with zero size.  Enhance comment.
4004
4005 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4006
4007         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
4008         built-ins for vec_xl and vec_xst with short and char pointer
4009         arguments.
4010
4011 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
4012
4013         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
4014         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
4015         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
4016         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
4017         (_mm_maskz_min_round_ss): New intrinsics.
4018         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
4019         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
4020         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
4021         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
4022         (__builtin_ia32_minss_mask_round): New builtins.
4023         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4024         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
4025         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
4026         Rename to ...
4027         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
4028         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
4029         Change to ...
4030         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
4031         ... this.
4032
4033 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
4034
4035         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
4036         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
4037         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
4038         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
4039         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
4040         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
4041         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
4042         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4043         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
4044         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
4045         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
4046         (__builtin_ia32_mulss_mask_round): New builtins.
4047         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
4048         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
4049         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
4050         Rename to ...
4051         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
4052         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
4053         Change to ...
4054         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
4055         ... this.
4056
4057 2017-05-10  Julia Koval  <julia.koval@intel.com>
4058
4059         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
4060         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
4061         (_mm256_setr_m128i): New intrinsics.
4062
4063 2017-05-10  Julia Koval  <julia.koval@intel.com>
4064
4065         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
4066         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
4067         (_mm_maskz_rcp14_ss): New intrinsics.
4068         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
4069         (__builtin_ia32_rcp14ss_mask): New builtins.
4070         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
4071
4072 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
4073
4074         PR tree-optimization/51513
4075         * tree-cfg.c (gimple_seq_unreachable_p): New function.
4076         (assert_unreachable_fallthru_edge_p): Use it.
4077         (group_case_labels_stmt): Likewise.
4078         * tree-cfg.h: Prototype it.
4079         * stmt.c: Include cfghooks.h and tree-cfg.h.
4080         (emit_case_dispatch_table) <gap_label>: New local variable.
4081         Use it to fill dispatch table gaps.
4082         Test for default_label before updating probabilities.
4083         (expand_case) <default_label>: Remove unneeded initialization.
4084         Test for unreachable default case statement and remove its edge.
4085         Set default_label accordingly.
4086         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
4087
4088 2017-05-10  Carl Love  <cel@us.ibm.com>
4089
4090         * config/rs6000/rs6000-c: Add support for built-in functions
4091         vector signed char      vec_neg (vector signed char)
4092         vector signed short int vec_neg (vector short int)
4093         vector signed int       vec_neg (vector signed int)
4094         vector signed long long vec_neg (vector signed long long)
4095         vector float            vec_neg (vector float)
4096         vector double           vec_neg (vector double)
4097         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
4098         overload.
4099         * config/rs6000/altivec.h: Add define for vec_neg
4100         * doc/extend.texi: Update the built-in documentation for the
4101         new built-in functions.
4102
4103 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4104
4105         PR tree-optimization/77644
4106         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
4107
4108 2017-05-10  Nathan Sidwell  <nathan@acm.org>
4109
4110         * dumpfile.h (TDI_lang_all): New.
4111         (TDF_KIND): New. Renumber others
4112         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
4113         than bits.
4114         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
4115         lang-all.
4116         (get_dump_file_name): Adjust suffix generation.
4117         (dump_enable_all): Use TDF_KIND.
4118         * doc/invoke.texi (-fdump-lang-all): Document.
4119
4120         * dumpfile.h: Tabify.
4121
4122 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
4123
4124         PR target/80671
4125         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
4126         Move member access before delete.
4127
4128 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
4129
4130         * tree-inline.c (expand_call_inline): Split block at stmt
4131         before the call.
4132
4133 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4134
4135         PR target/68163
4136         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
4137         are now unused after splitting mov{sf,sd}_hardfloat.
4138         (f32_lr2): Likewise.
4139         (f32_lm): Likewise.
4140         (f32_lm2): Likewise.
4141         (f32_li): Likewise.
4142         (f32_li2): Likewise.
4143         (f32_lv): Likewise.
4144         (f32_sr): Likewise.
4145         (f32_sr2): Likewise.
4146         (f32_sm): Likewise.
4147         (f32_sm2): Likewise.
4148         (f32_si): Likewise.
4149         (f32_si2): Likewise.
4150         (f32_sv): Likewise.
4151         (f32_dm): Likewise.
4152         (f32_vsx): Likewise.
4153         (f32_av): Likewise.
4154         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
4155         For movsf, order stores so the VSX stores occur before the GPR
4156         store which encourages the register allocator to use a traditional
4157         FPR instead of a GPR.  For movsd, order the stores so that the GPR
4158         store comes before the VSX stores to allow the power6 to work.
4159         This is due to the power6 not having a 32-bit integer store
4160         instruction from a FPR.
4161         (movsf_hardfloat): Likewise.
4162         (movsd_hardfloat): Likewise.
4163
4164 2017-05-09  Martin Sebor  <msebor@redhat.com>
4165
4166         PR translation/80280
4167         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
4168         added in r247778.
4169
4170         PR translation/80280
4171         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
4172         data member added in r247778.
4173         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
4174
4175 2017-05-09  Nathan Sidwell  <nathan@acm.org>
4176
4177         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
4178
4179         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
4180         typedefs.
4181
4182 2017-05-09  Marek Polacek  <polacek@redhat.com>
4183
4184         * doc/invoke.texi: Fix typo.
4185
4186 2017-05-09  Richard Biener  <rguenther@suse.de>
4187
4188         * tree-vrp.c (vrp_val_is_max): Adjust comment.
4189         (vrp_val_is_min): Likewise.
4190         (set_value_range_to_value): Likewise.
4191         (set_value_range_to_nonnegative): Likewise.
4192         (gimple_assign_nonzero_p): Likewise.
4193         (gimple_stmt_nonzero_p): Likewise.
4194         (vrp_int_const_binop): Likewise.  Remove unreachable case.
4195         (adjust_range_with_scev): Adjust comments.
4196         (compare_range_with_value): Likewise.
4197         (extract_range_from_phi_node): Likewise.
4198         (test_for_singularity): Likewise.
4199
4200 2017-05-09  Richard Biener  <rguenther@suse.de>
4201
4202         * tree-vrp.c (get_single_symbol): Add assert that we don't
4203         get overflowed constants as invariant part.
4204         (compare_values_warnv): Add comment before the TREE_NO_WARNING
4205         checks.  Use wi::cmp instead of recursing for integer constants.
4206         (compare_values): Just ignore whether we assumed undefined
4207         overflow instead of failing the compare.
4208         (extract_range_for_var_from_comparison_expr): Add comment before the
4209         TREE_NO_WARNING sets.
4210         (test_for_singularity): Likewise.
4211         (extract_range_from_comparison): Do not disable optimization
4212         when we assumed undefined overflow.
4213         (extract_range_basic): Remove init of unused var.
4214
4215 2017-05-09  Richard Biener  <rguenther@suse.de>
4216
4217         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
4218         (extract_range_from_multiplicative_op_1): Adjust.
4219         (extract_range_from_binary_expr_1): Use int_const_binop.
4220
4221 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4222
4223         PR target/80101
4224         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
4225         rs6000_store_data_bypass_p in seven define_bypass directives and
4226         in several comments.
4227         * config/rs6000/rs6000-protos.h: Add prototype for
4228         rs6000_store_data_bypass_p function.
4229         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
4230         function implements slightly different (rs6000-specific) semantics
4231         than store_data_bypass_p, returning false rather than aborting
4232         with assertion error when arguments do not satisfy the
4233         requirements of store data bypass.
4234         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
4235         rs6000_store_data_bypass_p.
4236
4237 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
4238
4239         * config/xtensa/xtensa-protos.h
4240         (xtensa_initial_elimination_offset): New declaration.
4241         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
4242         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
4243         macro definition, add case for FRAME_POINTER_REGNUM when
4244         FRAME_GROWS_DOWNWARD.
4245         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
4246         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
4247         xtensa_initial_elimination_offset.
4248
4249 2017-05-08  Nathan Sidwell  <nathan@acm.org>
4250
4251         * doc/invoke.texi: Alphabetize -fdump options.
4252
4253 2017-05-08  Martin Sebor  <msebor@redhat.com>
4254
4255         PR translation/80280
4256         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
4257
4258 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4259
4260         * target.def (compute_frame_layout): New optional target hook.
4261         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
4262         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
4263         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
4264         target hook.
4265         * reload1.c (verify_initial_elim_offsets): Likewise.
4266         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
4267         (use_simple_return_p): Call arm_compute_frame_layout if needed.
4268         (arm_get_frame_offsets): Split up into this ...
4269         (arm_compute_frame_layout): ... and this function.
4270
4271 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
4272
4273         * config/aarch64/constraints.md (Usa): New constraint.
4274         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
4275
4276 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4277
4278         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
4279         with_multilib_list after it has been checked.
4280
4281 2017-05-08  Richard Biener  <rguenther@suse.de>
4282
4283         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
4284         (bitmap_set_subtract_values): Likewise.
4285
4286 2017-05-08  Richard Biener  <rguenther@suse.de>
4287
4288         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
4289         (gimple_assign_nonzero): ... this and remove strict_overflow_p
4290         argument.
4291         (gimple_stmt_nonzero_warnv_p): Rename to ...
4292         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
4293         argument.
4294         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
4295         (extract_range_basic): Adjust, do not disable propagation on
4296         strict overflow sensitive simplification.
4297         (vrp_visit_cond_stmt): Likewise.
4298
4299 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
4300
4301         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
4302         body size unconditionally.
4303
4304 2017-05-07  Jeff Law  <law@redhat.com>
4305
4306         Revert:
4307         2017-05-06  Jeff Law  <law@redhat.com>
4308         PR tree-optimization/78496
4309         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
4310         code.
4311
4312         PR tree-optimization/78496
4313         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
4314         (simplify_stmt_using_ranges): Call it.
4315         (vrp_dom_walker::before_dom_children): Extract equivalences
4316         from an ASSERT_EXPR with an equality comparison against a
4317         constant.
4318
4319 2017-05-06  Jeff Law  <law@redhat.com>
4320
4321         PR tree-optimization/78496
4322         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
4323         code.
4324
4325         PR tree-optimization/78496
4326         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
4327         (simplify_stmt_using_ranges): Call it.
4328         (vrp_dom_walker::before_dom_children): Extract equivalences
4329         from an ASSERT_EXPR with an equality comparison against a
4330         constant.
4331
4332 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
4333
4334         * lra-constraints.c (lra_copy_reg_equiv): New function.
4335         (split_reg): Use it to copy equivalence information from the
4336         original register to the spill register.
4337
4338 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
4339
4340         PR rtl-optimization/75964
4341         * simplify-rtx.c (simplify_const_relational_operation): Remove
4342         invalid handling of comparisons of integer ABS.
4343
4344 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
4345
4346         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
4347         initialize to zero.
4348         (init_regs): Remove declaration.
4349         (function_arg_advance_32): Initialize error_p as boolean variable.
4350
4351 2017-05-05  Nathan Sidwell  <nathan@acm.org>
4352
4353         * store-motion.c (remove_reachable_equiv_notes): Reformat long
4354         lines.  Use for (;;).
4355
4356 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4357
4358         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
4359         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
4360         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
4361         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
4362         VF=2 that require versioning.
4363
4364 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
4365
4366         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
4367         int.
4368
4369 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
4370
4371         * diagnostic.h (diagnostic_override_option_index): Convert from
4372         macro to inline function.
4373
4374 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
4375
4376         * diagnostic.c (last_module_changed_p): New function.
4377         (set_last_module): New function.
4378         (diagnostic_report_current_module): Convert macro usage to
4379         the above functions.
4380         * diagnostic.h (diagnostic_context::last_module): Strengthen
4381         from const line_map * to const line_map_ordinary *.
4382         (diagnostic_last_module_changed): Delete macro.
4383         (diagnostic_set_last_module): Delete macro.
4384
4385 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
4386
4387         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
4388         with diagnostic_report_diagnostic.
4389         (diagnostic_n_impl_richloc): Likewise.
4390         * diagnostic.h (report_diagnostic): Delete macro.
4391         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
4392         with diagnostic_report_diagnostic.
4393         * substring-locations.c (format_warning_va): Likewise.
4394
4395 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
4396
4397         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
4398         save/restor of format_spec.  Move option-printing code to...
4399         (print_option_information): ...this new function, and
4400         reimplement by simply printing to the pretty_printer,
4401         rather than appending to the format string.
4402
4403 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
4404
4405         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
4406         handling logic into...
4407         (update_effective_level_from_pragmas): ...this new function.
4408
4409 2017-05-04  Andrew Waterman  <andrew@sifive.com>
4410
4411         * config/riscv/riscv.opt (mstrict-align): New option.
4412         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
4413         (SLOW_UNALIGNED_ACCESS): Define.
4414         (riscv_slow_unaligned_access): Declare.
4415         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
4416         field.
4417         (riscv_slow_unaligned_access): New variable.
4418         (rocket_tune_info): Set slow_unaligned_access to true.
4419         (optimize_size_tune_info): Set slow_unaligned_access to false.
4420         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
4421         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
4422         (riscv_option_override): Set riscv_slow_unaligned_access.
4423         * doc/invoke.texi: Add -mstrict-align to RISC-V.
4424
4425 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
4426
4427         * config/riscv/riscv.md: Unify indentation.
4428
4429 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
4430
4431         PR target/79038
4432         PR target/79202
4433         PR target/79203
4434         * config/rs6000/rs6000.md (u code attribute): Add FIX and
4435         UNSIGNED_FIX.
4436         (extendsi<mode>2): Add support for doing sign extension via
4437         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
4438         don't have ISA 3.0 instructions.
4439         (extendsi<mode>2 splitter): Likewise.
4440         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
4441         generate the normal insns since SImode can now go in vector
4442         registers.  Disallow the special UNSPECs needed for previous
4443         machines to hide SImode being used.  Add new insns
4444         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
4445         (fix_trunc<mode>si2_stfiwx): Likewise.
4446         (fix_trunc<mode>si2_internal): Likewise.
4447         (fixuns_trunc<mode>si2): Likewise.
4448         (fixuns_trunc<mode>si2_stfiwx): Likewise.
4449         (fctiw<u>z_<mode>_smallint): Likewise.
4450         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
4451         of floating point to 32-bit integer from doing a direct move to
4452         the GPR registers to do a store.
4453         (fctiwz_<mode>): Break long line.
4454
4455 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
4456
4457         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
4458         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
4459         (addr_list, addr_offset_valid_p): New.
4460         (split_address_groups): Check offset validity with above function.
4461         (gt-tree-ssa-loop-ivopts.h): Include header file.
4462
4463 2017-05-05  Nathan Sidwell  <nathan@acm.org>
4464
4465         * config.gcc (arm*-*-*): Add missing 'fi'.
4466
4467 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
4468
4469         * doc/invoke.texi (-fopt-info): Explicitly say order of options
4470         included in -fopt-info does not matter.
4471         * doc/optinfo.texi (-fopt-info): Fix description of default
4472         behavour. Explicitly say order of options included in -fopt-info
4473         does not matter.
4474
4475 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4476
4477         * config.gcc: Allow combinations of aprofile and rmprofile values for
4478         --with-multilib-list.
4479         * config/arm/t-multilib: New file.
4480         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
4481         variables.  Remove setting of ISA and floating-point ABI in
4482         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
4483         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
4484         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
4485         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
4486         CPU options.
4487         * config/arm/t-rmprofile: Likewise except for the matches changes.
4488         * doc/install.texi (--with-multilib-list): Document the combination of
4489         aprofile and rmprofile values and warn about pitfalls in doing that.
4490
4491 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
4492
4493         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
4494         (movdi_aarch64): Likewise.
4495
4496 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
4497
4498         PR tree-optimization/80632
4499         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
4500         field.
4501         (build_arrays): Initialize it for virtual phis.
4502         (fix_phi_nodes): Use it for virtual phis.
4503
4504         PR tree-optimization/80558
4505         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
4506         [x, y] op z into [x op, y op z] for op & or | if conditions
4507         are met.
4508
4509 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4510             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4511
4512         PR target/71607
4513         * config/arm/arm.md (use_literal_pool): Remove.
4514         (64-bit immediate split): No longer takes cost into consideration
4515         if arm_disable_literal_pool is enabled.
4516         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
4517         used when arm_disable_literal_pool is enabled.
4518         (arm_max_const_double_inline_cost): Remove use of
4519         arm_disable_literal_pool.
4520         (push_minipool_fix): Add assert.
4521         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
4522         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
4523         (no_literal_pool_sf_immediate): New.
4524
4525 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4526
4527         PR tree-optimization/80613
4528         * tree-ssa-dce.c (propagate_necessity): Remove cases for
4529         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
4530
4531 2017-05-05  Richard Biener  <rguenther@suse.de>
4532
4533         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
4534
4535 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
4536
4537         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
4538         of this flag from insn conditions due to removal from r247495.
4539
4540 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
4541
4542         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
4543         New function.
4544         (arm_early_store_addr_dep_ptr): Likewise.
4545         * config/arm/aarch-common-protos.h
4546         (arm_early_load_addr_dep_ptr): Add prototype.
4547         (arm_early_store_addr_dep_ptr): Likewise.
4548         * config/arm/cortex-a53.md: Add new bypasses.
4549
4550 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
4551
4552         * tree.c (next_type_uid): Change type to unsigned.
4553         (type_hash_canon): Decrement back next_type_uid if
4554         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
4555         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
4556         if possible.
4557
4558 2017-05-04  Martin Sebor  <msebor@redhat.com>
4559
4560         * builtins.c: Fix a trivial typo in a comment.
4561
4562         PR middle-end/79234
4563         * builtins.c (check_sizes): Adjust to handle reading past the end.
4564         Avoid printing excessive upper bound of ranges.  Use %E to print
4565         tree nodes instead of converting them to %wu.
4566         (expand_builtin_memchr): New function.
4567         (compute_dest_size): Rename...
4568         (compute_objsize): ...to this.
4569         (expand_builtin_memcpy): Adjust.
4570         (expand_builtin_mempcpy): Adjust.
4571         (expand_builtin_strcat): Adjust.
4572         (expand_builtin_strcpy): Adjust.
4573         (check_strncat_sizes): Adjust.
4574         (expand_builtin_strncat): Adjust.
4575         (expand_builtin_strncpy): Adjust and simplify.
4576         (expand_builtin_memset): Adjust.
4577         (expand_builtin_bzero): Adjust.
4578         (expand_builtin_memcmp): Adjust.
4579         (expand_builtin): Handle memcmp.
4580         (maybe_emit_chk_warning): Check strncat just once.
4581
4582 2017-05-04  Martin Sebor  <msebor@redhat.com>
4583
4584         PR preprocessor/79214
4585         PR middle-end/79222
4586         PR middle-end/79223
4587         * builtins.c (check_sizes): Add inlining context and issue
4588         warnings even when -Wno-system-headers is set.
4589         (check_strncat_sizes): Same.
4590         (expand_builtin_strncat): Same.
4591         (expand_builtin_memmove): New function.
4592         (expand_builtin_stpncpy): Same.
4593         (expand_builtin): Handle memmove and stpncpy.
4594
4595 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
4596
4597         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
4598         which is not used any more.
4599
4600 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4601
4602         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
4603
4604 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4605
4606         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
4607         (cortexa53_tunings): Likewise.
4608         (cortexa57_tunings): Likewise.
4609         (cortexa72_tunings): Likewise.
4610         (cortexa73_tunings): Likewise.
4611
4612 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4613
4614         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
4615         Set loop alignment to 8.
4616
4617 2017-05-04  Martin Sebor  <msebor@redhat.com>
4618
4619         PR translation/80280
4620         * builtins.c (expand_builtin_object_size): Add missing quoting to
4621         %D and like directives.
4622         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
4623         (hsa_type_for_tree_type): Same.
4624         (verify_function_arguments): Same.
4625         * symtab.c (symbol_table::change_decl_assembler_name): Same.
4626         * varasm.c (get_section): Same.
4627         (mark_weak): Same.
4628
4629 2017-05-04  Martin Sebor  <msebor@redhat.com>
4630
4631         PR translation/80280
4632         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
4633
4634 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
4635
4636         * config/aarch64/aarch64.c (generic_addrcost_table):
4637         Change HI/TI mode setting.
4638
4639 2017-05-04  Martin Jambor  <mjambor@suse.cz>
4640
4641         PR tree-optimization/80622
4642         * tree-sra.c (comes_initialized_p): New function.
4643         (build_accesses_from_assign): Only set write lazily when
4644         comes_initialized_p is false.
4645         (analyze_access_subtree): Use comes_initialized_p.
4646         (propagate_subaccesses_across_link): Assert !comes_initialized_p
4647         instead of testing for PARM_DECL.
4648
4649 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4650
4651         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
4652         constraint on operand 0 to allow more general addressing modes.
4653         Adjust output template.
4654         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
4655         New function.
4656         * config/aarch64/aarch64-protos.h
4657         (aarch64_address_valid_for_prefetch_p): Declare prototype.
4658         * config/aarch64/constraints.md (Dp): New address constraint.
4659         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
4660         predicate.
4661
4662 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
4663
4664         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
4665         update use of estimate_ipcp_clone_size_and_time.
4666         (estimate_local_effects): Update use of
4667         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
4668         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
4669         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
4670         Return nonspecialized time.
4671
4672 2017-05-04  Richard Biener  <rguenther@suse.de>
4673
4674         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
4675         for the last VUSE which def dominates the PHI.  Directly call
4676         maybe_skip_until.
4677         (get_continuation_for_phi_1): Remove.
4678
4679 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
4680
4681         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
4682         to explain the use of truncating division.  Cap the number of
4683         iterations to the maximum given by nb_iterations_upper_bound,
4684         if defined.
4685
4686 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4687
4688         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
4689         * configure: Regenerate.
4690         * config.in: Regenerate.
4691         * config/i386/driver-mingw32.c: new file.
4692         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
4693         * config.host: Link driver-mingw32.o on MinGW host.
4694         * doc/install.texi: Document new --enable-mingw-wildcard configure
4695         option.
4696
4697 2017-05-04  Marek Polacek  <polacek@redhat.com>
4698
4699         PR tree-optimization/80612
4700         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
4701
4702 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4703             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
4704
4705         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
4706         (movt splitter): Likewise.
4707         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
4708         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
4709         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
4710         block for Thumb-1 with MOVT.
4711         (thumb2_legitimate_address_p): Move code block ...
4712         (can_avoid_literal_pool_for_label_p): ... into this new function.
4713         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
4714         literal pool.
4715         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
4716         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
4717         "M-profile targets with the MOVT instruction".
4718
4719 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
4720
4721         * gcc/config/arm/arm-builtins.c (arm_init_builtins): Rename
4722         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
4723         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
4724
4725 2017-05-04  Martin Liska  <mliska@suse.cz>
4726
4727         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
4728         variable cond_code.
4729
4730 2017-05-04  Richard Biener  <rguenther@suse.de>
4731
4732         * tree.c (array_at_struct_end_p): Handle arrays at struct
4733         end with flexarrays more conservatively.  Refactor and treat
4734         arrays of arrays or aggregates more strict.  Fix
4735         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
4736         * tree.c (array_at_struct_end_p): Adjust prototype.
4737         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
4738         * gimple-fold.c (get_range_strlen): Likewise.
4739         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
4740
4741 2017-05-04  Richard Biener  <rguenther@suse.de>
4742
4743         PR tree-optimization/31130
4744         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
4745         false.
4746         (supports_overflow_infinity): Likewise.
4747         (is_negative_overflow_infinity): Likewise.
4748         (is_positive_overflow_infinity): Likewise.
4749         (is_overflow_infinity): Likewise.
4750         (stmt_overflow_infinity): Likewise.
4751         (overflow_infinity_range_p): Likewise.
4752         (usable_range_p): Remove as always returning true.
4753         (make_overflow_infinity): Remove.
4754         (negative_overflow_infinity): Likewise.
4755         (positive_overflow_infinity): Likewise.
4756         (avoid_overflow_infinity): Likewise.
4757         (set_value_range): Adjust accordingly.
4758         (set_value_range_to_nonnegative): Likewise, remove now unused
4759         overflow_infinity arg.
4760         (vrp_operand_equal_p): Adjust.
4761         (update_value_range): Likewise.
4762         (range_int_cst_singleton_p): Likewise.
4763         (operand_less_p): Likewise.
4764         (compare_values_warnv): Likewise.
4765         (extract_range_for_var_from_comparison_expr): Likewise.
4766         (vrp_int_const_binop): Likewise.
4767         (zero_nonzero_bits_from_vr): Likewise.
4768         (extract_range_from_multiplicative_op_1): Likewise.
4769         (extract_range_from_binary_expr_1): Likewise.
4770         (extract_range_from_unary_expr): Likewise.
4771         (extract_range_from_comparison): Likewise.
4772         (extract_range_basic): Likewise.
4773         (adjust_range_with_scev): Likewise.
4774         (compare_ranges): Likewise.
4775         (compare_range_with_value): Likewise.
4776         (dump_value_range): Likewise.
4777         (test_for_singularity): Likewise, remove strict_overflow_p parameter
4778         never used.
4779         (simplify_cond_using_ranges): Adjust.
4780
4781 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
4782
4783         * brig-builtins.def: Added a builtin for class_f64.
4784         * builtin-types.def: Added a builtin type needed by class_f64.
4785
4786 2017-05-03  Jason Merrill  <jason@redhat.com>
4787
4788         * timevar.def: Add TV_CONSTEXPR.
4789
4790 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4791
4792         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
4793
4794 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4795
4796         * ipa-prop.c (ipa_update_after_lto_read): Removed.
4797         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
4798         * ipa-cp.c (ipcp_propagate_stage): Do not call
4799         ipa_update_after_lto_read.
4800         * ipa-inline.c (ipa_inline): Likewise.
4801
4802 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4803
4804         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
4805         tag.  Added a default constructor and a destructor.
4806         (ipa_edge_args_sum_t): New class;
4807         (ipa_edge_args_sum): Declare.
4808         (ipa_edge_args_vector): Remove declaration.
4809         (IPA_EDGE_REF): Use ipa_edge_args_sum.
4810         (ipa_free_edge_args_substructures): Remove declaration.
4811         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
4812         (ipa_edge_args_info_available_for_edge_p): Likewise.
4813         * ipa-prop.c (ipa_edge_args_vector): Removed.
4814         (edge_removal_hook_holder): Likewise.
4815         (edge_duplication_hook_holder): Likewise.
4816         (ipa_edge_args_sum): New variable.
4817         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
4818         ipa_edge_args_vector.
4819         (ipa_free_edge_args_substructures): Likewise.
4820         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
4821         ipa_edge_args_vector.
4822         (ipa_edge_removal_hook): Turned into method
4823         ipa_edge_args_sum_t::remove.
4824         (ipa_edge_duplication_hook): Turned into method
4825         ipa_edge_args_sum_t::duplicate.
4826         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
4827         registering edge hooks.
4828         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
4829         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
4830         ipa_edge_args_sum instead of ipa_edge_args_vector.
4831         * ipa-profile.c (ipa_profile): Likewise.
4832
4833 2017-05-03  Martin Jambor  <mjambor@suse.cz>
4834
4835         * symbol-summary.h (function_summary): New method exists.
4836         (function_summary::symtab_removal): Deallocate through release.
4837         (call_summary): New class.
4838         (gt_ggc_mx): New overload.
4839         (gt_pch_nx): Likewise.
4840         (gt_pch_nx): Likewise.
4841
4842 2017-05-03  Jeff Law  <law@redhat.com>
4843
4844         PR tree-optimization/78496
4845         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
4846         from simplify_cond_using_ranges.  Split off code to walk
4847         backwards through casts into ...
4848         (simplify_cond_using_ranges_2): New function.
4849         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
4850         (execute_vrp): After identifying jump threads, call
4851         simplify_cond_using_ranges_2.
4852
4853 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
4854
4855         PR bootstrap/80609
4856         * ipa-inline.h (inline_summary): Add ctor.
4857         (create_ggc): Do not use ggc_cleared_alloc.
4858
4859 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
4860             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4861
4862         * gcc.c (handle_braces): Support escaping in switch matching
4863         text.
4864         * doc/invoke.texi (Spec Files): Document it.
4865         Remove superfluous @code markup in items.
4866
4867 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
4868
4869         * diagnostic-show-locus.c (struct column_range): New struct.
4870         (get_affected_columns): New function.
4871         (get_printed_columns): New function.
4872         (struct correction): New struct.
4873         (correction::ensure_capacity): New function.
4874         (correction::ensure_terminated): New function.
4875         (struct line_corrections): New struct.
4876         (line_corrections::~line_corrections): New dtor.
4877         (line_corrections::add_hint): New function.
4878         (layout::print_trailing_fixits): Reimplement in terms of the new
4879         classes.
4880         (selftest::test_overlapped_fixit_printing): New function.
4881         (selftest::diagnostic_show_locus_c_tests): Call it.
4882
4883 2017-05-03  Nathan Sidwell  <nathan@acm.org>
4884
4885         Canonicalize canonical type hashing
4886         * tree.h (type_hash_canon_hash): Declare.
4887         * tree.c (type_hash_list, attribute_hash_list): Move into
4888         type_hash_canon_hash.
4889         (build_type_attribute_qual_variant): Break out hash code calc into
4890         type_hash_canon_hash.
4891         (type_hash_canon_hash): New.  Generic type hash computation.
4892         (build_range_type_1, build_array_type_1, build_function_type,
4893         build_method_type_directly, build_offset_type, build_complex_type,
4894         make_vector_type): Call it.
4895
4896 2017-05-03  Richard Biener  <rguenther@suse.de>
4897
4898         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
4899         When all DRs have unknown misaligned do not always peel
4900         when there is a store but apply the same costing model as if
4901         there were only loads.
4902
4903 2017-05-03  Richard Biener  <rguenther@suse.de>
4904
4905         Revert
4906         PR tree-optimization/80492
4907         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
4908         compare_base_decls returning dont-know properly.
4909
4910 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4911
4912         * config/arm/iterators.md (CCSI): New mode iterator.
4913         (arch): New mode attribute.
4914         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
4915         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
4916         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
4917         code iterator for success result mode.
4918         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
4919         the corresponding new insn generators.
4920
4921 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
4922
4923         Revert r247509
4924         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
4925         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
4926
4927 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
4928
4929         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
4930         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
4931         (DDR_A): Wrap DDR argument in brackets.
4932         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
4933         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
4934         (DDR_REVERSED_P): Likewise.
4935
4936 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
4937
4938         PR tree-optimization/79472
4939         * tree-switch-conversion.c (struct switch_conv_info): Add
4940         contiguous_range and default_case_nonstandard fields.
4941         (collect_switch_conv_info): Compute contiguous_range and
4942         default_case_nonstandard fields, don't clear final_bb if
4943         contiguous_range and only the default case doesn't have the required
4944         structure.
4945         (check_all_empty_except_final): Set default_case_nonstandard instead
4946         of failing if contiguous_range and the default case doesn't have empty
4947         block.
4948         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
4949         and only the default case doesn't have the required constants.  Skip
4950         virtual phis.
4951         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
4952         if default_case_nonstandard.
4953         (build_constructors): Build constant 1 just once.  Assert that default
4954         values aren't inserted in between cases if contiguous_range.  Skip
4955         virtual phis.
4956         (build_arrays): Skip virtual phis.
4957         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
4958         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
4959         Handle virtual phis.
4960         (gen_inbound_check): Handle default_case_nonstandard case.
4961         (process_switch): Adjust check_final_bb caller.  Call
4962         gather_default_values with the first non-default case instead of
4963         default case if default_case_nonstandard.
4964
4965 2017-05-02  Nathan Sidwell  <nathan@acm.org>
4966
4967         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
4968         check.  Fix formatting.
4969
4970 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
4971
4972         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
4973         errors when comparing specialized and unspecialized times.
4974
4975 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
4976
4977         * diagnostic-show-locus.c
4978         (layout::should_print_annotation_line_p): Make private.
4979         (layout::print_annotation_line): Make private.
4980         (layout::annotation_line_showed_range_p): Make private.
4981         (layout::show_ruler): Make private.
4982         (layout::print_source_line): Make private.  Pass in line and
4983         line_width, rather than calling location_get_source_line.  Drop
4984         returned value.
4985         (layout::print_leading_fixits): New method.
4986         (layout::print_any_fixits): Rename to...
4987         (layout::print_trailing_fixits): ...this, and make private.
4988         Don't print newline fixits.
4989         (diagnostic_show_locus): Move logic for printing one row into...
4990         (layout::print_line): ...this new function.  Move the
4991         location_get_source_line call and error-handling from
4992         print_source_line to here.  Call print_leading_fixits, and rename
4993         print_any_fixits to print_trailing_fixits.
4994         (selftest::test_fixit_insert_containing_newline): Update now that
4995         newlines are partially supported.
4996         (selftest::test_fixit_insert_containing_newline_2): New test.
4997         (selftest::test_fixit_replace_containing_newline): Update comments.
4998         (selftest::diagnostic_show_locus_c_tests): Call the new test.
4999         * edit-context.c (class added_line): New class.
5000         (class edited_line): Describe newline handling in comment.
5001         (edited_line::actually_edited_p): New method.
5002         (edited_line::print_content): Delete redundant decl.
5003         (edited_line::m_predecessors): New field.
5004         (edited_file::print_content): Call edited_line::print_content.
5005         (edited_file::print_diff): Update to support newlines.
5006         (edited_file::print_diff_hunk): Likewise.
5007         (edited_file::print_run_of_changed_lines): New function.
5008         (edited_file::print_diff_line): Convert to...
5009         (print_diff_line): ...this.
5010         (edited_file::get_effective_line_count): New function.
5011         (edited_line::edited_line): Initialize new field m_predecessors.
5012         (edited_line::~edited_line): Clean up m_predecessors.
5013         (edited_line::apply_fixit): Handle newlines.
5014         (edited_line::get_effective_line_count): New function.
5015         (edited_line::print_content): New function.
5016         (edited_line::print_diff_lines): New function.
5017         (selftest::test_applying_fixits_insert_containing_newline): New
5018         test.
5019         (selftest::test_applying_fixits_replace_containing_newline): New
5020         test.
5021         (selftest::insert_line): New function.
5022         (selftest::test_applying_fixits_multiple_lines): Add example of
5023         inserting a line.
5024         (selftest::edit_context_c_tests): Call the new tests.
5025
5026 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5027
5028         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
5029         parameter cand.  Update dump information.
5030         (get_computation_cost): Update uses.
5031
5032 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5033
5034         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
5035         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
5036         (get_computation_at, rewrite_use_address): Update use of
5037         get_computation_aff.
5038
5039 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5040
5041         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
5042         (get_computation): Delete.
5043         (get_computation_cost): Implement like get_computation_cost_at.
5044         Use get_computation_at.
5045         (get_computation_cost_at): Delete.
5046         (rewrite_use_nonlinear_expr): Use get_computation_at.
5047         (rewrite_use_compare, remove_unused_ivs): Ditto.
5048
5049 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5050
5051         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
5052
5053 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5054
5055         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
5056         (ivopts_global_cost_for_size): Rename parameter and update uses.
5057         (iv_ca_recount_cost): Update uses.
5058         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
5059         candidates seperately in n_invs and n_cands.
5060         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
5061
5062 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5063
5064         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
5065         (find_inv_vars_cb): New.
5066         (find_depends): Renamed to ...
5067         (find_inv_vars): ... this.
5068         (add_candidate_1, force_var_cost): Call find_inv_vars.
5069         (split_address_cost, determine_group_iv_cost_cond): Ditto.
5070
5071 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5072
5073         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
5074         inv_vars.  Add inv_exprs.
5075         (struct iv_cand): Rename depends_on to inv_vars.
5076         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
5077         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
5078         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
5079         (dump_cand): Dump inv_vars.
5080         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
5081         (record_invariant, find_depends, add_candidate_1): Ditto.
5082         (set_group_iv_cost, force_var_cost): Ditto.
5083         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
5084         (get_computation_cost_at, get_computation_cost): Ditto.
5085         (determine_group_iv_cost_generic): Ditto.
5086         (determine_group_iv_cost_address): Ditto.
5087         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
5088         (determine_group_iv_costs): Ditto.
5089         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
5090         (iv_ca_set_remove_invariants): Renamed to ...
5091         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
5092         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
5093         (iv_ca_set_add_invariants):  Renamed to ...
5094         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
5095         (iv_ca_set_cp): Use iv_ca_set_add_invs.
5096         (iv_ca_has_deps): Support inv_vars and inv_exprs.
5097         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
5098         (create_new_ivs): Remove useless dump.
5099
5100 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5101
5102         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
5103         iv_cand code.
5104         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
5105         (iv_ca_set_no_cp, create_new_iv): Ditto.
5106
5107 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
5108
5109         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
5110
5111 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
5112
5113         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
5114         function tree_check2.
5115
5116 2017-05-02  Martin Liska  <mliska@suse.cz>
5117
5118         * doc/gcov.texi: Add missing preposition.
5119         * gcov.c (function_info::function_info): Properly fill up
5120         all member variables.
5121
5122 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
5123
5124         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
5125
5126 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
5127
5128         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
5129
5130 2017-05-02  Martin Liska  <mliska@suse.cz>
5131
5132         PR lto/77954.
5133         * lto-streamer-in.c (lto_read_tree_1): Remove
5134         LTO_STREAMER_DEBUG.
5135         * lto-streamer.c (struct tree_hash_entry): Likewise.
5136         (struct tree_entry_hasher): Likewise.
5137         (tree_entry_hasher::hash): Likewise.
5138         (tree_entry_hasher::equal): Likewise.
5139         (lto_streamer_init): Likewise.
5140         (lto_orig_address_map): Likewise.
5141         (lto_orig_address_get): Likewise.
5142         (lto_orig_address_remove): Likewise.
5143         * lto-streamer.h: Likewise.
5144         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
5145         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
5146
5147 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
5148
5149         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
5150         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
5151         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
5152         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
5153         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
5154         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
5155         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
5156         (mm_maskz_sub_ss): New intrinsics.
5157         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
5158         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
5159         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
5160         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
5161         (__builtin_ia32_subss_mask_round): New builtins.
5162         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
5163         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
5164         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
5165         Renamed to ...
5166         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
5167         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
5168         Changed to ...
5169         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
5170         ... this.
5171
5172 2017-05-02  Martin Jambor  <mjambor@suse.cz>
5173
5174         PR tree-optimization/78687
5175         * tree-sra.c (access): New field parent.
5176         (process_subtree_disqualification): New function.
5177         (disqualify_candidate): Call it.
5178         (build_accesses_from_assign): Reset write flag if creating an
5179         assighnment link.
5180         (build_access_subtree): Fill in parent field and also prpagate
5181         down grp_write flag.
5182         (create_artificial_child_access): New parameter set_grp_write, set
5183         grp_write to its value.
5184         (propagate_subaccesses_across_link): Also propagate grp_write flag
5185         values.
5186         (propagate_all_subaccesses): Push the closest parent back to work
5187         queue if add_access_to_work_queue returned true.
5188
5189 2017-05-02  Richard Biener  <rguenther@suse.de>
5190
5191         * common.opt (fstrict-overflow): Alias negative to fwrapv.
5192         * doc/invoke.texi (fstrict-overflow): Remove all traces of
5193         -fstrict-overflow documentation.
5194         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
5195         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
5196         flag_strict_overflow.
5197         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
5198         * lto-opts.c (lto_write_options): Do not stream it.
5199         * lto-wrapper.c (merge_and_complain): Do not handle it.
5200         * opts.c (default_options_table): Do not set -fstrict-overflow.
5201         (finish_options): Likewise do not clear it when sanitizing.
5202         * simplify-rtx.c (simplify_const_relational_operation): Do not
5203         test flag_strict_overflow.
5204
5205 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
5206
5207         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
5208         using enabled attribute.
5209         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
5210         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
5211         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
5212         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
5213         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
5214         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
5215         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
5216         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
5217         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
5218         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
5219
5220 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
5221
5222         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
5223
5224 2017-05-02  Richard Biener  <rguenther@suse.de>
5225
5226         PR tree-optimization/80591
5227         Revert
5228         2017-04-10  Richard Biener  <rguenther@suse.de>
5229
5230         * tree-ssa-structalias.c (find_func_aliases): Properly handle
5231         asm inputs.
5232
5233 2017-05-02  Richard Biener  <rguenther@suse.de>
5234
5235         PR tree-optimization/80549
5236         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
5237         (cleanup_tree_cfg_noloop): Create forwarders to known loop
5238         headers if they do not have a preheader.
5239
5240 2017-05-02  Martin Liska  <mliska@suse.cz>
5241
5242         PR other/80589
5243         * common.opt: Fix typo.
5244         * doc/invoke.texi: Likewise.
5245
5246 2017-05-01  Jan Beulich  <jbeulich@suse.com>
5247
5248         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
5249         swapping, add (x,x,m,x,n) alternative.
5250
5251 2017-05-01  Nathan Sidwell  <nathan@acm.org>
5252
5253         * calls.c (combine_pending_stack_adjustment_and_call): Remove
5254         unnecessary unadjusted_alignment check.
5255
5256 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
5257
5258         PR c++/80038
5259         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
5260         operations here.
5261         * gimplify.c (gimplify_cilk_detach): New function.
5262         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
5263         * tree-core.h: Document EXPR_CILK_SPAWN.
5264         * tree.h (EXPR_CILK_SPAWN): Define.
5265
5266 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
5267
5268         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
5269         to use new fixit_hint representation, using the "replace" logic.
5270         (get_line_span_for_fixit_hint): Likewise.
5271         (layout::print_any_fixits): Likewise.
5272         (selftest::test_one_liner_many_fixits): Rename to...
5273         (selftest::test_one_liner_many_fixits_1): ...this, and update
5274         comment and expected output to reflect that the multiple fix-it
5275         hints are now consolidated into one insertion.
5276         (selftest::test_one_liner_many_fixits_2): New test.
5277         (selftest::test_diagnostic_show_locus_one_liner): Update for
5278         above.
5279         (selftest::test_fixit_consolidation): Update for fix-it API
5280         change.
5281         * diagnostic.c (print_parseable_fixits): Likewise.
5282         * edit-context.c (edited_line::m_line_events): Convert from
5283         auto_vec <line_event *> to auto_vec <line_event>.
5284         (class line_event): Convert from abstract base class to a concrete
5285         class, taking over the role of replace_event.
5286         (class insert_event): Delete.
5287         (class replace_event): Rename to class line_event.  Convert to
5288         half-open range.
5289         (edit_context::add_fixits): Reimplement.
5290         (edit_context::apply_insert): Delete.
5291         (edit_context::apply_replace): Rename to...
5292         (edit_context::apply_fixit): ...this.  Convert to half-open range.
5293         (edited_file::apply_insert): Delete.
5294         (edited_file::apply_replace): Rename to...
5295         (edited_file::apply_fixit): ...this.
5296         (edited_line::~edited_line): Drop deletion of events.
5297         (edited_line::apply_insert): Delete.
5298         (edited_line::apply_replace): Rename to...
5299         (edited_line::apply_fixit): ...this.  Convert to half-open range.
5300         Update for change to type of m_line_events.
5301         * edit-context.h (edit_context::apply_insert): Delete.
5302         (edit_context::apply_replace): Rename to...
5303         (edit_context::apply_fixit): ...this.
5304
5305 2017-05-01  Martin Sebor  <msebor@redhat.com>
5306
5307         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
5308         known.
5309
5310 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
5311
5312         PR target/68491
5313         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
5314         __get_cpuid_max returns 0.
5315         (__get_cpuid_count): Ditto.
5316
5317 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
5318
5319         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
5320         replacement expression is another instance of one of its arguments.
5321
5322 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
5323
5324         PR target/79430
5325         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
5326         check for stack push/pop autoinc.
5327         * config/i386/i386.c (ix86_agi_dependent): Return false
5328         if the only reason why modified_in_p returned true is that
5329         addr is SP based and set_insn is a push or pop.
5330
5331 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
5332
5333         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
5334         overflow check.
5335
5336 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
5337
5338         PR ipa/79224
5339         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
5340         (account_size_time): Use two predicates - exec_pred and
5341         nonconst_pred_ptr.
5342         (evaluate_conditions_for_known_args): Compute both clause and
5343         nonspec_clause.
5344         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
5345         (inline_summary_t::duplicate): Update.
5346         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
5347         separately.
5348         (compute_inline_parameters): Likewise.
5349         (estimate_edge_size_and_time): Update caluclation of time.
5350         (estimate_node_size_and_time): Compute both time and nonspecialized
5351         time.
5352         (estimate_ipcp_clone_size_and_time): Update.
5353         (inline_merge_summary): Update.
5354         (do_estimate_edge_time): Update.
5355         (do_estimate_edge_size): Update.
5356         (do_estimate_edge_hints): Update.
5357         (inline_read_section, inline_write_summary): Stream both new predicates.
5358         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
5359         as argument.
5360         (compute_inlined_call_time): Cleanup.
5361         (big_speedup_p): Update.
5362         (edge_badness): Update.
5363         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
5364         (size_time_entry): Replace predicate by exec_predicate and
5365         nonconst_predicate.
5366         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
5367         (estimate_edge_time): Return also nonspec_time.
5368         (reset_edge_growth_cache): Update.
5369
5370 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
5371
5372         PR rtl-optimization/80491
5373         * ifcvt.c (noce_process_if_block): When looking for x setter
5374         with missing else_bb, don't check only the insn right before
5375         cond_earliest, but look for the last insn that x is modified in
5376         within the same bb.
5377
5378         PR rtl-optimization/80491
5379         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
5380
5381 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
5382
5383         PR tree-optimization/80487
5384         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
5385
5386 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5387
5388         PR tree-optimization/79697
5389         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
5390         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
5391         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
5392         BUILT_IN_STRNDUP.
5393         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
5394         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
5395
5396 2017-04-28  Martin Sebor  <msebor@redhat.com>
5397
5398         PR tree-optimization/80523
5399         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
5400         (init_target_to_host_charmap, target_to_host, target_strtol10): New
5401         functions.
5402         (maybe_warn, format_directive, parse_directive): Use new functions.
5403         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
5404
5405 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
5406
5407         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
5408
5409 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5410
5411         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
5412         target_header_dir): Set correctly.
5413         * configure: Regenerated.
5414         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
5415         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
5416         instead of SYSTEM_HEADER_DIR.
5417
5418 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
5419
5420         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
5421         (estimate_local_effects): Likewise.
5422         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
5423         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
5424         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
5425         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
5426         do_estimate_edge_time, estimate_edge_time): Likewise.
5427         * ipa-inline-analysis.c (estimate_node_size_and_time,
5428         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
5429         (estimate_time_after_inlining): Remove.
5430
5431 2017-04-28  Martin Liska  <mliska@suse.cz>
5432
5433         * doc/gcov.texi: Enhance documentation of gcov.
5434
5435 2017-04-28  Martin Liska  <mliska@suse.cz>
5436
5437         * doc/gcov.texi: Sort options in alphabetic order.
5438         * doc/gcov-dump.texi: Likewise.
5439         * doc/gcov-tool.texi: Likewise.
5440         * gcov.c (print_usage): Likewise.
5441         * gcov-dump.c (print_usage): Likewise.
5442         * gcov-tool.c (print_merge_usage_message): Likewise.
5443         (print_rewrite_usage_message): Likewise.
5444         (print_overlap_usage_message): Likewise.
5445
5446 2017-04-28  Martin Liska  <mliska@suse.cz>
5447
5448         PR gcov-profile/53915
5449         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
5450
5451 2017-04-28  Martin Liska  <mliska@suse.cz>
5452
5453         PR gcov-profile/79891
5454         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
5455         is marked by compiler as living on a line.
5456         (get_cycles_count): Remove usage of the union.
5457         (output_intermediate_file): Likewise.
5458         (find_source): Fix GNU coding style.
5459         (accumulate_line_counts): Remove old non-all block mode.
5460         (output_lines): Remove usage of the union.
5461         * profile.c (output_location): Include all BBs, even if
5462         belonging to a same line (and file) as a previous BB.
5463
5464 2017-04-28  Martin Liska  <mliska@suse.cz>
5465
5466         * gcov.c (process_args): Handle new argument 'w'.
5467         (read_graph_file): Assign ID to BBs.
5468         (output_branch_count): Display BB # if verbose flag is set.
5469         (output_lines): Likewise for arcs.
5470         (print_usage): Add '--verbose' option help.
5471         * doc/gcov.texi: Document --verbose (-w) option.
5472
5473 2017-04-28  Martin Liska  <mliska@suse.cz>
5474
5475         * gcov.c (struct block_location_info): New struct.
5476         (process_file): Fill up the new structure.
5477         (read_graph_file): Replace usage of encoding by the newly added
5478         struct.
5479         (add_line_counts): Likewise.
5480         (accumulate_line_counts): Remove usage of the union.
5481         (function_info::function_info): New function.
5482         (function_info::~function_info): Likewise.
5483         (process_file): Call delete instead of release_function.
5484         (release_function): Release the function.
5485         (release_structures): Call delete instead of release_function.
5486         (solve_flow_graph): Replace usage of num_blocks.
5487         (find_exception_blocks): Likewise.
5488         (output_lines): Fix GNU coding style.
5489
5490 2017-04-28  Martin Liska  <mliska@suse.cz>
5491
5492         PR driver/56469
5493         * coverage.c (coverage_remove_note_file): New function.
5494         * coverage.h: Declare the function.
5495         * toplev.c (finalize): Clean if an error has been seen.
5496
5497 2017-04-28  Martin Liska  <mliska@suse.cz>
5498
5499         PR gcov-profile/80031
5500         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
5501         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
5502         * gcov.c (read_graph_file): Read just number of blocks.
5503         * profile.c (branch_prob): Do not stream 0 flags per a basic
5504         block.
5505
5506 2017-04-28  Martin Liska  <mliska@suse.cz>
5507
5508         * gcov-dump.c (tag_*): Add new argument to declarations.
5509         (dump_gcov_file): Likewise.
5510         (tag_blocks): Add and use new argument depth.
5511         (tag_arcs): Likewise.
5512         (tag_lines): Likewise.
5513         (tag_counters): Likewise.
5514         (tag_summary): Likewise.
5515         (dump_working_sets): Use depth to do a proper indentation.
5516
5517 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
5518
5519         PR bootstrap/80531
5520         * cgraph.h (symtab_node::debug_symtab): No longer inline.
5521         * symtab.c (symtab_node::debug_symtab): Move definition here.
5522
5523 2017-04-28  Richard Biener  <rguenther@suse.de>
5524
5525         * lto-streamer.h (LTO_major_version): Bump to 7.
5526
5527 2017-04-28  Richard Biener  <rguenther@suse.de>
5528
5529         * tree-vrp.c (assert_info): New struct.
5530         (add_assert_info): New helper.
5531         (register_edge_assert_for_2): Refactor to add asserts to a vector
5532         of assert_info.
5533         (register_edge_assert_for_1): Likewise.
5534         (register_edge_assert_for): Likewise.
5535         (finish_register_edge_assert_for): New helper actually registering
5536         asserts where live on edge.
5537         (find_conditional_asserts): Adjust.
5538         (find_switch_asserts): Likewise.
5539         (evrp_dom_walker::try_find_new_range): Generalize.
5540         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
5541
5542 2017-04-27  Marek Polacek  <polacek@redhat.com>
5543
5544         PR sanitizer/80349
5545         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
5546         arg10 and arg11 to itype.
5547
5548 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
5549
5550         * doc/extend.texi (Object Size Checking): Improve grammar.
5551
5552 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
5553
5554         PR target/80530
5555         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
5556         that the logic for permitting reciprocal estimates matches that
5557         in use_rsqrt_p.
5558
5559 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5560
5561         PR c++/80534
5562         * tree.c (type_cache_hasher::equal): Only compare
5563         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
5564         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
5565         non-aggregate element types.
5566         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
5567         about the flag on ARRAY_TYPEs in the comment, formatting fix.
5568
5569 2017-04-27  Richard Biener  <rguenther@suse.de>
5570
5571         PR middle-end/80533
5572         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
5573         stripping ARRAY_REFs from MEM_EXPR make sure we're not
5574         keeping a reference to a trailing array.
5575
5576 2017-04-27  Richard Biener  <rguenther@suse.de>
5577
5578         PR middle-end/80539
5579         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
5580         being in loop-closed SSA form conservatively.
5581         (chrec_fold_multiply_poly_poly): Likewise.
5582
5583 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
5584
5585         PR middle-end/79665
5586         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
5587         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
5588
5589 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
5590
5591         PR target/77728
5592         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
5593         (aarch64_function_arg_alignment): Return unsigned int again, but still
5594         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
5595         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5596         Don't emit -Wpsabi note.
5597         (aarch64_function_arg_boundary): Likewise.
5598         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5599         caller.
5600
5601 2017-04-26  Nathan Sidwell  <nathan@acm.org>
5602
5603         * tree.h (crc32_unsigned_n): Declare.
5604         (crc32_unsigned, crc32_unsigned): Make inline.
5605         * tree.c (crc32_unsigned_bits): Replace with ...
5606         (crc32_unsigned_n): ... this.
5607         (crc32_unsigned, crc32_byte): Remove.
5608         (crc32_string): Remove unnecessary braces.
5609
5610 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5611
5612         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
5613         * ipa-inline-analysis.c (MAX_TIME): Remove.
5614         (account_size_time): Use sreal for time.
5615         (dump_inline_summary): Update.
5616         (estimate_function_body_sizes): Update.
5617         (estimate_edge_size_and_time): Update.
5618         (estimate_calls_size_and_time): Update.
5619         (estimate_node_size_and_time): Update.
5620         (inline_merge_summary): Update.
5621         (inline_update_overall_summary): Update.
5622         (estimate_time_after_inlining): Update.
5623         (inline_read_section): Update.
5624         (inline_write_summary): Update.
5625         * ipa-inline.c (compute_uninlined_call_time): Update.
5626         (compute_inlined_call_time): Update.
5627         (recursive_inlining): Update.
5628         (inline_small_functions): Update.
5629         (dump_overall_stats): Update.
5630         * ipa-inline.h: Include sreal.h.
5631         (size_time_entry): Turn time to sreal.
5632         (inline_summary): Turn self_time nad time to sreal.
5633
5634 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
5635
5636         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
5637         data-streamer.h
5638         (sreal::stream_out, sreal::stream_in): New.
5639         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
5640
5641 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5642
5643         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
5644         environment.
5645
5646 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
5647
5648         PR target/70799
5649         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5650         Handle ASHIFTRT.
5651         (dimode_scalar_chain::compute_convert_gain): Ditto.
5652         (dimode_scalar_chain::make_vector_copies): Ditto.
5653         (dimode_scalar_chain::convert_reg): Ditto.
5654         (dimode_scalar_chain::convert_insn): Ditto.
5655         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
5656         (VI248_AVX512BW_1): New mode iterator.
5657         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
5658         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
5659         mode iterator.
5660
5661 2017-04-25  Martin Sebor  <msebor@redhat.com>
5662
5663         PR tree-optimization/80497
5664         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
5665         constants are representable in HOST_WIDE_INT.
5666         (parse_directive): Ditto.
5667
5668 2017-04-25  Martin Sebor  <msebor@redhat.com>
5669
5670         PR bootstrap/80486
5671         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
5672         (new_zero_array): Adjust signature.
5673         (dom_info::dom_init): Used unsigned rather that size_t.
5674         (dom_info::dom_info): Same.
5675
5676 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5677             Jakub Jelinek  <jakub@redhat.com>
5678
5679         PR target/77728
5680         * config/arm/arm.c: Include gimple.h.
5681         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5682         returns negative, increment ncrn only if it returned positive.
5683         (arm_needs_doubleword_align): Return int instead of bool,
5684         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
5685         members, but if there is any such non-FIELD_DECL
5686         > PARM_BOUNDARY aligned decl, return -1 instead of false.
5687         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
5688         returns negative, increment nregs only if it returned positive.
5689         (arm_setup_incoming_varargs): Likewise.
5690         (arm_function_arg_boundary): Emit -Wpsabi note if
5691         arm_needs_doubleword_align returns negative, return
5692         DOUBLEWORD_ALIGNMENT only if it returned positive.
5693
5694 2017-04-25  Marek Polacek  <polacek@redhat.com>
5695
5696         PR sanitizer/80349
5697         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
5698         first argument to type.
5699
5700 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
5701
5702         PR target/80482
5703         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
5704         type checks to test for compatibility instead of equality.
5705
5706 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5707             Jakub Jelinek  <jakub@redhat.com>
5708
5709         PR target/77728
5710         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
5711         type.
5712         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
5713         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
5714         the alignment computation, but return their maximum in warn_alignment.
5715         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
5716         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
5717         is smaller.
5718         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
5719         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
5720         caller.
5721
5722 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5723
5724         * config/arc/simdext.md (dmpyh): Fix typo.
5725
5726 2017-04-25  Richard Biener  <rguenther@suse.de>
5727
5728         PR tree-optimization/80492
5729         * alias.c (compare_base_decls): Handle registers with asm
5730         specification conservatively.
5731         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
5732         compare_base_decls returning dont-know properly.
5733
5734 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5735
5736         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
5737         (legitimate_offset_address_p): New function.
5738         (arc_legitimate_address_p): Use above function.
5739
5740 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5741
5742         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
5743
5744 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5745
5746         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
5747         ACCH registers whenever they are available.
5748
5749 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5750
5751         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
5752         double regs fix when not used.
5753
5754 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5755
5756         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
5757         core registers.
5758         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
5759         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
5760
5761 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5762
5763         * config/arc/arc.c (arc_output_addsi): Check for h-register class
5764         when emitting short ADD instructions.
5765
5766 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
5767
5768         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
5769         constraint.
5770         (cmpsi_cc_c_insn): Likewise.
5771         (cbranchsi4_scratch): Compute proper instruction length using
5772         compact_hreg_operand.
5773         * config/arc/predicates.md (compact_hreg_operand): New predicate.
5774
5775 2017-04-25  Richard Biener  <rguenther@suse.de>
5776
5777         PR middle-end/80509
5778         * passes.c (pass_manager::pass_manager): Initialize
5779         m_name_to_pass_map.
5780
5781 2017-04-25  Richard Biener  <rguenther@suse.de>
5782
5783         PR tree-optimization/79201
5784         * tree-ssa-sink.c (statement_sink_location): Handle calls.
5785
5786 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5787
5788         PR target/80464
5789         * config/s390/vector.md: Split MEM->GPR vector moves for
5790         non-s_operand addresses.
5791
5792 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5793
5794         PR target/79895
5795         * config/s390/predicates.md (reload_const_wide_int_operand): New
5796         predicate.
5797         * config/s390/s390.md ("movti"): Remove d/P alternative.
5798         ("movti_bigconst"): New pattern definition.
5799
5800 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5801
5802         PR target/80080
5803         * s390-protos.h (s390_expand_cs_hqi): Removed.
5804         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
5805         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
5806         modes as well as CCZ1mode and CCZmode.
5807         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
5808         signature of s390_emit_compare_and_swap.
5809         (s390_expand_cs_hqi): Likewise, make static.
5810         (s390_expand_cs_tdsi): Generate an explicit compare before trying
5811         compare-and-swap, in some cases.
5812         (s390_expand_cs): Wrapper function.
5813         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
5814         atomic_exchange.
5815         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
5816         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
5817         patterns for small and large integers.  Forbid symref memory operands.
5818         Move expander to s390.c.  Require cc register.
5819         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
5820         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
5821         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
5822         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
5823         symref memory operands.  Remove CC mode and call s390_match_ccmode
5824         instead.
5825         ("atomic_exchange<mode>"): Allow and implement all integer modes.
5826
5827 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5828
5829         * config/s390/s390.md (define_peephole2): New peephole to help
5830         combining the load-and-test pattern with volatile memory.
5831
5832 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5833
5834         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
5835         with CCZmode for TARGET_Z196.
5836
5837 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
5838
5839         PR rtl-optimization/80501
5840         * combine.c (make_compound_operation_int): Set subreg_code to SET
5841         even for AND with mask of the sign bit of mode.
5842
5843         PR rtl-optimization/80500
5844         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
5845         sum's initial value.
5846
5847 2017-04-25  Julian Brown  <julian@codesourcery.com>
5848             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5849
5850         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
5851
5852 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
5853
5854         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
5855
5856 2017-04-25  Julian Brown  <julian@codesourcery.com>
5857             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5858
5859         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
5860         (thunderx2t99_sha): New Reservation.
5861
5862 2017-04-25  Julian Brown  <julian@codesourcery.com>
5863             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
5864
5865         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
5866         type for 1-element load.
5867
5868 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
5869
5870         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
5871
5872 2017-04-24  Martin Jambor  <mjambor@suse.cz>
5873
5874         PR tree-optimization/80293
5875         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
5876         char arrays not totally scalarizable if it is false.
5877         (analyze_all_variable_accesses): Pass correct value in the new
5878         parameter.  Add a statistics counter.
5879
5880 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
5881
5882         PR middle-end/79931
5883         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
5884
5885 2017-04-24  Richard Biener  <rguenther@suse.de>
5886
5887         PR tree-optimization/80494
5888         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
5889         out for complex types.
5890
5891 2017-04-24  Richard Biener  <rguenther@suse.de>
5892
5893         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
5894         * tree-ssa-sccvn.c (print_scc): Print SCC size.
5895         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
5896         (DFS): Adjust and never fail.
5897         (sccvn_dom_walker::fail): Remove.
5898         (sccvn_dom_walker::before_dom_children): Adjust.
5899         (run_scc_vn): Likewise and never fail.
5900         * tree-ssa-pre.c (pass_pre::execute): Adjust.
5901         (pass_fre::execute): Likewise.
5902
5903 2017-04-24  Richard Biener  <rguenther@suse.de>
5904
5905         PR tree-optimization/79725
5906         * tree-ssa-sink.c (statement_sink_location): Return whether
5907         failure reason was zero uses.  Move that check later.
5908         (sink_code_in_bb): Deal with zero uses by removing the stmt
5909         if possible.
5910
5911 2017-04-24  Richard Biener  <rguenther@suse.de>
5912
5913         PR c++/2972
5914         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
5915         pointer-based references.
5916
5917 2017-04-24  Richard Biener  <rguenther@suse.de>
5918
5919         PR bootstrap/79814
5920         * pass_manager.h (pass_manager::operator new): Remove.
5921         (pass_manager::operator delete): Likewise.
5922         * passes.c (pass_manager::operator new): Remove.
5923         (pass_manager::operator delete): Likewise.
5924         (pass_manager::pass_manager): Zero individual pass members.
5925
5926 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
5927
5928         PR target/70799
5929         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
5930         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
5931         Check "XEXP (src, 1)" operand here.
5932         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
5933         Check "XEXP (src, 1)" operand here.
5934         (dimode_scalar_chain::make_vector_copies): Detect count register
5935         of a shift instruction.  Zero extend count register from QImode
5936         to DImode to satisfy vector shift pattern count operand predicate.
5937         Substitute vector shift count operand with a DImode copy.
5938         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
5939         vector register.
5940
5941 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
5942
5943         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
5944         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5945         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
5946         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
5947         (UNSPEC_NOREX_MEM): Remove definition.
5948
5949 2017-04-21  Richard Biener  <rguenther@suse.de>
5950
5951         PR tree-optimization/79547
5952         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5953         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
5954         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
5955         without any constraints.
5956
5957 2017-04-21  Richard Biener  <rguenther@suse.de>
5958
5959         PR tree-optimization/78847
5960         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
5961
5962 2017-04-21  Richard Biener  <rguenther@suse.de>
5963
5964         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
5965         (build_distinct_type_copy): Likewise.
5966         (build_variant_type_copy): Likewise.
5967         * tree.c (build_qualified_type): Pass down mem-stat info.
5968         (build_distinct_type_copy): Likewise.
5969         (build_variant_type_copy): Likewise.
5970
5971 2017-04-21  Richard Biener  <rguenther@suse.de>
5972
5973         PR tree-optimization/80237
5974         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
5975         defaulted to NULL.
5976         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
5977         for a simplified result.
5978
5979 2016-04-21  Richard Biener  <rguenther@suse.de>
5980
5981         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
5982         sth as strict as a simple_iv but a chrec without symbols and an
5983         operand defined in the loop we are peeling (and not some subloop).
5984         (propagate_constants_for_unrolling): Propagate all constants.
5985
5986 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5987
5988         PR target/79804
5989         * config/i386/i386.c (print_reg): Remove assert for disalowed
5990         regno values, call output_operand_lossage instead.
5991
5992 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
5993
5994         PR target/78090
5995         * config/i386/constraints.md (Yc): New register constraint.
5996         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
5997         Use Yc constraint for alternative 2 of operand 0.  Remove
5998         preferred_for_speed attribute.
5999
6000 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
6001
6002         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
6003         lastprivate clauses in SIMT case.
6004
6005 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
6006
6007         * doc/invoke.texi (-Wextra-semi): Document new warning option.
6008
6009 2017-04-20  Richard Biener  <rguenther@suse.de>
6010
6011         PR tree-optimization/57796
6012         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
6013         as N scalar stores.
6014         (vect_model_load_cost): Cost gathers as N scalar loads.
6015
6016 2017-04-20  Richard Biener  <rguenther@suse.de>
6017
6018         * ggc-page.c (ggc_allocated_p): Rename to ...
6019         (safe_lookup_page_table_entry): ... this and return the lookup
6020         result.
6021         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
6022
6023 2017-04-20  Richard Biener  <rguenther@suse.de>
6024
6025         PR tree-optimization/80453
6026         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
6027         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
6028         from the conditions.
6029         (vn_phi_eq): Pass them down.
6030         (vn_phi_lookup): Record them.
6031         (vn_phi_insert): Likewise.
6032
6033 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
6034
6035         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
6036         uninitialized variable warning to avoid buffer overrun.
6037
6038 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
6039
6040         PR other/71250
6041         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
6042         is suppressed for '{ 0 }' in C.
6043
6044 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
6045
6046         * BASE-VER: Set to 8.0.0.
6047
6048 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6049
6050         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
6051         priority .init_array and .fini_array section with SECTION_NOTYPE
6052         flag.
6053
6054 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
6055
6056         PR middle-end/80423
6057         * tree.h (build_array_type): Add typeless_storage default argument.
6058         * tree.c (type_cache_hasher::equal): Also compare
6059         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
6060         (build_array_type): Add typeless_storage argument, set
6061         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
6062         recursive call.
6063         (build_nonshared_array_type): Adjust build_array_type_1 caller.
6064         (build_array_type): Likewise.  Add typeless_storage argument.
6065
6066 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
6067             Jakub Jelinek  <jakub@redhat.com>
6068
6069         PR tree-optimization/80426
6070         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
6071         operation on symbolic operands, also compute the overflow for the
6072         invariant part when the operation degenerates into a negation.
6073
6074 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
6075
6076         PR debug/80461
6077         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
6078         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
6079
6080         PR debug/80436
6081         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
6082
6083 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
6084
6085         PR target/80462
6086         * config/avr/avr.c (tree.h): Include it.
6087         (cgraph.h): Include it.
6088         (avr_encode_section_info): Don't warn for uninitialized progmem
6089         variable if it's just an alias.
6090
6091 2017-04-19  Richard Biener  <rguenther@suse.de>
6092
6093         PR ipa/65972
6094         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
6095         when needed by AutoPGO.
6096
6097 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
6098
6099         PR lto/50345
6100         * doc/lto.texi: Remove an extra 'that'.
6101
6102 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
6103
6104         PR rtl-optimization/80429
6105         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
6106         are only used in debug insns.
6107
6108 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
6109             Vladimir Makarov  <vmakarov@redhat.com>
6110
6111         * config/sparc/predicates.md (input_operand): Add comment.  Return
6112         true for any memory operand when LRA is in progress.
6113         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
6114
6115 2017-04-18  Jeff Law  <law@redhat.com>
6116
6117         PR target/74563
6118         * mips.md ({return,simple_return}_internal): Do not overwrite
6119         operands[0].
6120
6121 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
6122
6123         PR tree-optimization/80443
6124         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
6125         instead of adding 1, subtract -1 and similarly instead of subtracting
6126         1 add -1.
6127
6128 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
6129
6130         PR rtl-optimization/80357
6131         * haifa-sched.c (tmp_bitmap): New variable.
6132         (model_recompute): Handle duplicate use records.
6133         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
6134         (free_global_sched_pressure_data): Free it.
6135
6136 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6137
6138         Revert:
6139         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6140         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
6141         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
6142         instead of SYSTEM_HEADER_DIR.
6143
6144 2017-04-18  Jeff Law  <law@redhat.com>
6145
6146         PR middle-end/80422
6147         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
6148         predecessors after walking up the insn chain.
6149
6150 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
6151
6152         PR debug/80263
6153         * dwarf2out.c (modified_type_die): Try harder not to emit internal
6154         sizetype type into debug info.
6155
6156 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
6157
6158         PR target/80099
6159         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
6160         unneeded test for TARGET_UPPER_REGS_SF.
6161         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
6162
6163 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
6164
6165         PR sanitizer/80444
6166         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
6167         instead of gsi_after_labels.
6168
6169 2017-04-18  Jeff Law  <law@redhat.com>
6170
6171         * regcprop.c (maybe_mode_change): Avoid creating copies of the
6172         stack pointer.
6173
6174         Revert:
6175         2017-04-13  Jeff Law  <law@redhat.com>
6176         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
6177         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
6178
6179 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
6180
6181         PR target/79453
6182         * config/avr/avr.c (intl.h): Include it.
6183         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
6184
6185 2017-04-18  Martin Liska  <mliska@suse.cz>
6186
6187         PR gcov-profile/78783
6188         * gcov-tool.c (gcov_output_files): Validate that destination
6189         file is either removed by the tool or by a user.
6190
6191 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
6192             Guy Benyei  <guybe@mellanox.com>
6193
6194         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
6195         block, and do not negate it, the stored id is already negative.
6196
6197 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
6198
6199         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
6200
6201 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6202
6203         PR target/80098
6204         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
6205         masks of options that should be turned off if the VSX vector
6206         options are turned off.
6207         (OTHER_P8_VECTOR_MASKS): Likewise.
6208         (OTHER_VSX_VECTOR_MASKS): Likewise.
6209         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
6210         rs6000_disable_incompatible_switches to validate no type switches
6211         like -mvsx.
6212         (rs6000_incompatible_switch): New function to disallow turning on
6213         other vector options if -mno-vsx, -mno-power8-vector, or
6214         -mno-power9-vector are specified.
6215
6216 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
6217
6218         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
6219
6220 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
6221
6222         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
6223         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
6224         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
6225         (ARG_POINTER_CFA_OFFSET): Likewise.
6226
6227 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
6228
6229         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
6230         conditions to take advantage of various optimizations.
6231
6232 2017-04-13  Jeff Law  <law@redhat.com>
6233
6234         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
6235         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
6236         (zero_extendsidi2_dext): Likewise.
6237
6238 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
6239
6240         PR sanitizer/80403
6241         * fold-const.c (fold_ternary_loc): Revert
6242         use op0 instead of fold_convert_loc (loc, type, arg0) part of
6243         2017-04-12 change.
6244
6245 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
6246
6247         PR rtl-optimization/80343
6248         * lra-remat.c (update_scratch_ops): Assign original hard reg to
6249         new scratch pseudo.
6250
6251 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
6252
6253         PR sanitizer/80414
6254         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
6255         to ubsan_encode_value.
6256
6257 2017-04-13  Jeff Law  <law@redhat.com>
6258
6259         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
6260         appearing in DEBUG_INSNs.
6261
6262 2017-04-13  Martin Liska  <mliska@suse.cz>
6263
6264         PR gcov-profile/80413
6265         * gcov-io.c (gcov_write_string): Copy to buffer just when
6266         allocated size is greater than zero.
6267
6268 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
6269
6270         PR debug/80321
6271         * dwarf2out.c (decls_for_scope): Ignore declarations of
6272         current_function_decl in BLOCK_NONLOCALIZED_VARS.
6273
6274 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
6275
6276         PR lto/69953
6277         * ipa-visibility.c (non_local_p): Fix typos.
6278         (localize_node): When localizing symbol in same comdat group,
6279         dissolve the group only when we know external symbols are going
6280         to be privatized.
6281         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
6282
6283 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
6284
6285         PR tree-optimization/79390
6286         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
6287         order does not result in usable sequence, retry with reversed operand
6288         order.
6289
6290         PR sanitizer/80403
6291         PR sanitizer/80404
6292         PR sanitizer/80405
6293         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
6294         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
6295         op0 instead of fold_convert_loc (loc, type, arg0).
6296
6297 2017-04-12  Jeff Law  <law@redhat.com>
6298
6299         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
6300         has a delay slot in the generated code.
6301
6302         * config/cris/cris.md (cris_preferred_reload_class): Return
6303         GENNONACR_REGS rather than GENERAL_REGS.
6304
6305 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
6306
6307         PR c/80163
6308         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
6309         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
6310         signedness of the result type.
6311
6312 2017-04-12  Richard Biener  <rguenther@suse.de>
6313             Jeff Law  <law@redhat.com>
6314
6315         PR tree-optimization/80359
6316         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
6317         trim stores to TARGET_MEM_REFs.
6318
6319 2017-04-12  Richard Biener  <rguenther@suse.de>
6320
6321         PR tree-optimization/79390
6322         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
6323         threading case even more.
6324
6325 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
6326
6327         PR target/80382
6328         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
6329         for quad_address_p for TImode, instead of just not indexed_address.
6330
6331 2017-04-12  Richard Biener  <rguenther@suse.de>
6332             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6333
6334         PR middle-end/79671
6335         * alias.c (component_uses_parent_alias_set_from): Handle
6336         TYPE_TYPELESS_STORAGE.
6337         (get_alias_set): Likewise.
6338         * tree-core.h (tree_type_common): Add typeless_storage flag.
6339         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
6340         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
6341         for types containing members with TYPE_TYPELESS_STORAGE.
6342         (place_field): Likewise.
6343         (layout_type): Likewise for ARRAY_TYPE.
6344         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
6345         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
6346         TYPE_TYPELESS_STORAGE.
6347         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
6348
6349 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
6350
6351         PR sanitizer/80349
6352         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
6353         first argument to type.
6354
6355 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6356
6357         PR target/80376
6358         PR target/80315
6359         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
6360         CONST0_RTX (mode) rather than const0_rtx where appropriate.
6361         (rs6000_expand_binop_builtin): Likewise.
6362         (rs6000_expand_ternop_builtin): Likewise; also add missing
6363         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
6364         vshasigma built-ins.
6365         * doc/extend.texi: Document that vec_xxpermdi's third argument
6366         must be a constant.
6367
6368 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
6369
6370         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
6371         Use shift_const cost parameter when calculating gain of STV shifts.
6372
6373 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
6374
6375         PR rtl-optimization/70478
6376         * lra-constraints.c (process_alt_operands): Check memory for
6377         disfavoring memory insn operand.
6378
6379 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
6380
6381         PR middle-end/80100
6382         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
6383         left shift in unsigned HOST_WIDE_INT type.
6384
6385         PR rtl-optimization/80385
6386         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
6387         (not (neg X)) into (plus X -1) for complex or non-integral modes.
6388
6389         PR libgomp/80394
6390         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
6391         if they have any depend clauses.
6392
6393 2017-04-11  Martin Liska  <mliska@suse.cz>
6394
6395         PR ipa/80212
6396         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
6397         * ipa-split.c (split_function): Create a local comdat symbol
6398         if caller is in a comdat group.
6399
6400 2017-04-11  Martin Liska  <mliska@suse.cz>
6401
6402         PR ipa/80212
6403         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
6404         flags.
6405
6406 2017-04-11  Martin Sebor  <msebor@redhat.com>
6407
6408         PR middle-end/80364
6409         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
6410         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
6411         for INTEGER_TYPE.
6412         (directive::set_width, directive::set_precision, format_character):
6413         Adjust.
6414         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
6415         INTEGER_TYPE.
6416
6417 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
6418
6419         PR target/80389
6420         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
6421         conflict, set target->arch_name instead of target->cpu_name.
6422
6423 2017-04-11  Richard Biener  <rguenther@suse.de>
6424
6425         PR tree-optimization/80374
6426         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
6427         build_zero_cst, remove fold_convertible_p check again.
6428
6429 2017-04-11  Martin Liska  <mliska@suse.cz>
6430
6431         PR sanitizer/70878
6432         * ubsan.c (instrument_object_size): Do not instrument register
6433         variables.
6434
6435 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
6436
6437         PR target/80381
6438         * config/i386/i386-builtin-types.def
6439         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
6440         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
6441         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
6442         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
6443         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
6444         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
6445         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
6446         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
6447         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
6448         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
6449         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
6450         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
6451         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
6452         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
6453         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
6454         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
6455         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
6456         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
6457         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
6458         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
6459         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
6460         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
6461         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
6462         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
6463         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
6464         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
6465         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
6466         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
6467         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
6468         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
6469         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
6470         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
6471         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
6472         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
6473         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
6474         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
6475         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
6476         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
6477         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
6478         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
6479         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
6480         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
6481         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
6482         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
6483         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
6484         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
6485         aliases.
6486         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
6487         flag to second_arg_count, handle 4 argument function type _COUNT
6488         aliases, handle second_arg_count on second argument rather than last.
6489
6490 2017-04-10  Jeff Law  <law@redhat.com>
6491
6492         PR tree-optimization/80374
6493         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
6494         record anything if we can not convert integer_zero_node to the
6495         desired type.
6496
6497 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6498
6499         PR target/80108
6500         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6501         Enhance special handling given to the TARGET_P9_MINMAX option in
6502         relation to certain other options.
6503
6504 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
6505
6506         PR tree-optimization/80153
6507         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
6508         remove POINTER_PLUS_EXPR's base part directly, rather than through
6509         aff_tree.
6510
6511 2017-04-10  Richard Biener  <rguenther@suse.de>
6512             Bin Cheng  <bin.cheng@arm.com>
6513
6514         PR tree-optimization/80153
6515         * tree-affine.c (aff_combination_to_tree): Get base pointer from
6516         the first element of pointer type aff_tree.  Build result expr in
6517         aff_tree's type.
6518         (add_elt_to_tree): Convert to type unconditionally.  Remove other
6519         fold_convert calls.
6520         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
6521         (rewrite_use_nonlinear_expr): Check invariant using iv information.
6522
6523 2017-04-10  Richard Biener  <rguenther@suse.de>
6524
6525         * tree-ssa-structalias.c (find_func_aliases): Properly handle
6526         asm inputs.
6527
6528 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
6529
6530         PR rtl-optimization/70478
6531         * lra-constraints.c (curr_small_class_check): New.
6532         (update_and_check_small_class_inputs): New.
6533         (process_alt_operands): Update curr_small_class_check.  Disfavor
6534         alternative insn memory operands.  Check available regs for small
6535         class operands.
6536
6537 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
6538
6539         PR target/80057
6540         * config/mips/mips.opt (-mvirt): Update description.
6541         * doc/invoke.texi (-mvirt): Likewise.
6542
6543 2017-04-10  Richard Biener  <rguenther@suse.de>
6544
6545         PR middle-end/80362
6546         * fold-const.c (fold_binary_loc): Look at unstripped ops when
6547         looking for NEGATE_EXPR in -A / -B to A / B folding.
6548
6549 2017-04-10  Martin Liska  <mliska@suse.cz>
6550
6551         PR gcov-profile/80224
6552         * gcov.c (print_usage): Fix usage string.
6553         (get_gcov_intermediate_filename): Remove.
6554         (output_gcov_file): Use both for normal and intermediate format.
6555         (generate_results): Do not initialize special file for
6556         intermediate format.
6557
6558 2017-04-10  Richard Biener  <rguenther@suse.de>
6559
6560         PR tree-optimization/80304
6561         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
6562         for safelen.
6563
6564 2017-04-10  Nathan Sidwell  <nathan@acm.org>
6565
6566         PR target/79905
6567         * config/rs6000/rs6000.c (rs6000_vector_type): New.
6568         (rs6000_init_builtins): Use it.
6569
6570 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6571
6572         * config/arm/arm.md (<mrc>): Add mode to SET source.
6573         (<mrrc>): Likewise.
6574
6575 2017-04-10  Richard Biener  <rguenther@suse.de>
6576
6577         PR middle-end/80344
6578         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
6579
6580 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
6581
6582         PR target/80324
6583         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
6584         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
6585         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
6586         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
6587         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
6588         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
6589         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
6590         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
6591         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
6592         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
6593         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
6594         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
6595         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
6596         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
6597         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
6598         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
6599         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
6600         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
6601         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
6602         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
6603         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
6604         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
6605         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
6606
6607 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
6608
6609         PR rtl-optimization/70478
6610         * lra-constraints.c: Reverse the last patch.
6611
6612 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
6613
6614         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
6615         Add comment for WCHAR_T.
6616
6617 2017-04-08  Martin Liska  <mliska@suse.cz>
6618
6619         Revert:
6620         2017-04-07  Martin Liska  <mliska@suse.cz>
6621
6622         PR ipa/80212
6623         * ipa-split.c (split_function): Add function part to a same comdat
6624         group.
6625
6626 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6627
6628         PR target/80358
6629         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
6630
6631 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
6632
6633         * rs6000/rs6000.c (vec_load_pendulum): Rename...
6634         (vec_pairing): ...to this.
6635         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
6636         (rs6000_sched_init): Adjust for name change.
6637         (struct rs6000_sched_context): Likewise.
6638         (rs6000_init_sched_context): Likewise.
6639         (rs6000_set_sched_context): Likewise.
6640
6641 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
6642
6643         PR target/80322
6644         PR target/80323
6645         PR target/80325
6646         PR target/80326
6647         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
6648         intrinsics.
6649         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
6650         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
6651         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
6652
6653 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
6654
6655         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
6656
6657 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6658
6659         PR rtl-optimization/70703
6660         * ira-color.c (update_conflict_hard_regno_costs): Use
6661         int64_t instead of HOST_WIDE_INT.
6662
6663 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
6664
6665         PR rtl-optimization/70478
6666         * lra-constraints.c (process_alt_operands): Disfavor alternative
6667         insn memory operands.
6668
6669 2017-04-07  Jeff Law  <law@redhat.com>
6670
6671         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
6672         CALL and NOTE_INSN_CALL_ARG_LOCATION.
6673
6674 2017-04-07  Martin Liska  <mliska@suse.cz>
6675
6676         PR target/79889
6677         * config/aarch64/aarch64.c (aarch64_process_target_attr):
6678         Show error message instead of an ICE.
6679
6680 2017-04-07  Martin Liska  <mliska@suse.cz>
6681
6682         PR ipa/80212
6683         * ipa-split.c (split_function): Add function part to a same comdat
6684         group.
6685
6686 2017-04-07  Richard Biener  <rguenther@suse.de>
6687
6688         PR middle-end/80341
6689         * tree.c (get_unwidened): Also handle ! for_type case for
6690         INTEGER_CSTs.
6691         * convert.c (do_narrow): Split out from ...
6692         (convert_to_integer_1): ... here.  Do not pass final truncation
6693         type to get_unwidened for TRUNC_DIV_EXPR.
6694
6695 2017-04-07  Richard Biener  <rguenther@suse.de>
6696
6697         * tree-affine.c (wide_int_ext_for_comb): Take type rather
6698         than aff_tree.
6699         (aff_combination_const): Adjust.
6700         (aff_combination_scale): Likewise.
6701         (aff_combination_add_elt): Likewise.
6702         (aff_combination_add_cst): Likewise.
6703         (aff_combination_convert): Likewise.
6704         (add_elt_to_tree): Likewise.  Remove unused argument.
6705         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
6706
6707 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6708
6709         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
6710         definition.
6711         * config/arm/arm.c (arm_default_short_enums): Use
6712         ARM_DEFAULT_SHORT_ENUMS.
6713         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
6714
6715 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
6716
6717         PR debug/80234
6718         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
6719         members with redundant out-of-class redeclaration.
6720
6721 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6722
6723         PR target/80286
6724         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
6725         * config/i386/i386.md (*zero_extendsidi2):
6726         Add (?*x,*x) and (?*v,*v) alternatives.
6727
6728 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
6729
6730         PR target/79733
6731         * config/i386/i386.c (ix86_expand_builtin)
6732         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
6733         mode from insn data. Convert operands to insn operand mode.
6734         Copy operands that don't satisfy insn predicate to a register.
6735
6736 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
6737
6738         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
6739         Update comments.
6740
6741 2017-04-06  Richard Biener  <rguenther@suse.de>
6742
6743         PR tree-optimization/80334
6744         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
6745         preserve alignment of accesses.
6746
6747 2017-04-06  Richard Biener  <rguenther@suse.de>
6748
6749         PR tree-optimization/80262
6750         * tree-sra.c (build_ref_for_offset): Preserve address-space
6751         information.
6752         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
6753         Drop useless address-space information on MEM_REF offsets.
6754
6755 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
6756
6757         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
6758
6759 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6760
6761         PR rtl-optimization/70703
6762         * ira-color.c (update_conflict_hard_regno_costs): Use
6763         HOST_WIDE_INT instead of long.
6764
6765 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
6766
6767         PR target/80298
6768         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
6769         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
6770         is not defined.
6771         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
6772         for x86_64 target.  Handle -m3dnowa option.
6773
6774 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
6775
6776         PR rtl-optimization/70703
6777         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
6778         (update_conflict_hard_regno_costs): Use long instead of unsigned
6779         arithmetic for cost calculation.
6780
6781 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6782             Bernd Edlinger  <bernd.edlinger@hotmail.de>
6783
6784         PR sanitizer/80308
6785         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
6786         for big endian.
6787
6788 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
6789
6790         PR target/78002
6791         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
6792         ptr_mode with Pmode throughout.
6793         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
6794         into probe_stack_range and use DImode.
6795
6796 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6797
6798         PR target/79890
6799         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
6800         call_eh_return is true.
6801
6802 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6803
6804         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
6805         Initialize last_match_fntype_index.
6806
6807 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
6808
6809         PR target/80310
6810         * tree-nvr.c: Include internal-fn.h.
6811         (pass_return_slot::execute): Ignore internal calls without
6812         direct optab.
6813
6814 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6815             Richard Biener  <rguenther@suse.de>
6816
6817         PR c++/80297
6818         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
6819         captures used multiple times, except for the last use.
6820         * generic-match-head.c: Include gimplify.h.
6821
6822 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6823
6824         PR tree-optimization/79390
6825         * target.h (struct noce_if_info): Declare.
6826         * targhooks.h (default_noce_conversion_profitable_p): Declare.
6827         * target.def (noce_conversion_profitable_p): New target hook.
6828         * ifcvt.h (struct noce_if_info): New type, moved from ...
6829         * ifcvt.c (struct noce_if_info): ... here.
6830         (noce_conversion_profitable_p): Renamed to ...
6831         (default_noce_conversion_profitable_p): ... this.  No longer
6832         static nor inline.
6833         (noce_try_store_flag_constants, noce_try_addcc,
6834         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
6835         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
6836         instead of noce_conversion_profitable_p.
6837         * config/i386/i386.c: Include ifcvt.h.
6838         (ix86_option_override_internal): Don't override
6839         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
6840         (ix86_noce_conversion_profitable_p): New function.
6841         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
6842         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
6843         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
6844         * doc/tm.texi: Regenerated.
6845
6846 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6847
6848         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
6849         correction.
6850
6851 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6852
6853         PR target/80307
6854         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
6855         instructions for small multiply cores.
6856
6857 2017-04-04  Jeff Law  <law@redhat.com>
6858
6859         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
6860         added member.
6861         (mips_expand_vec_perm_const): Initialize elements in orig_perm
6862         that are not set by the loop over the elements.
6863
6864 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
6865
6866         PR target/80286
6867         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
6868         int mode, convert_modes it to mode as unsigned, otherwise use
6869         lowpart_subreg to mode rather than SImode.
6870         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
6871         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
6872         Use DImode instead of SImode for the shift count operand.
6873         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
6874         Likewise.
6875
6876 2017-04-04  Richard Biener  <rguenther@suse.de>
6877
6878         PR middle-end/80281
6879         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
6880         arithmetic done for the negate or the plus.  Simplify.
6881         (A - (-B) -> A + B): Likewise.
6882         * fold-const.c (split_tree): Make sure to not negate pointers.
6883
6884 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
6885
6886         PR rtl-optimization/60818
6887         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
6888         a compare of comparisons with the thing compared if this results
6889         in a different machine mode.
6890
6891 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
6892
6893         * alias.c (base_alias_check): Fix typo in comment.
6894         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
6895         * cgraphunit.c (symbol_table::compile): Likewise.
6896         * collect2.c (maybe_run_lto_and_relink): Likewise.
6897         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
6898         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
6899         * config/avr/avr.c (avr_map_op_t): Likewise.
6900         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
6901         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
6902         * config/epiphany/epiphany.md (movcc): Likewise.
6903         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
6904         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
6905         Likewise.
6906         * config/mips/mips.c (mips_save_restore_reg): Likewise.
6907         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
6908         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
6909         * config/sh/sh.c (sh_rtx_costs): Likewise.
6910         * fold-const.c (fold_truth_andor): Likewise.
6911         * genautomata.c (collapse_flag): Likewise.
6912         * gengtype.h (struct type::u::s): Likewise.
6913         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
6914         * input.c (FORMAT_AMOUNT): Likewise.
6915         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
6916         (known_aggs_to_agg_replacement_list): Likewise.
6917         * ipa-inline-analysis.c: Likewise.
6918         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
6919         * ipa-polymorphic-call.c
6920         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
6921         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
6922         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
6923         Likewise.
6924         * modulo-sched.c (apply_reg_moves): Likewise.
6925         * omp-expand.c (build_omp_regions_1): Likewise.
6926         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
6927         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
6928         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
6929         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
6930         * value-prof.c: Likewise.
6931         * var-tracking.c (val_reset): Likewise.
6932
6933 2017-04-03  Richard Biener  <rguenther@suse.de>
6934
6935         PR tree-optimization/80275
6936         * fold-const.c (split_address_to_core_and_offset): Handle
6937         POINTER_PLUS_EXPR.
6938
6939 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
6940
6941         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
6942         descriptors is at least equal to that of functions.
6943
6944 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6945
6946         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
6947
6948 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
6949
6950         PR target/80250
6951         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
6952         (mov<IMOD4:mode>): New expander.
6953         (*mov<IMOD4:mode>_internal): New insn and split pattern.
6954
6955 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
6956
6957         PR rtl-optimization/79405
6958         * fwprop.c (propagations_left): New variable.
6959         (forward_propagate_into): Decrement it.
6960         (fwprop_init): Initialize it.
6961         (fw_prop): If the variable has reached zero, stop propagating.
6962         (fwprop_addr): Ditto.
6963
6964 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6965
6966         PR debug/79255
6967         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
6968         a FUNCTION_DECL, pass it as decl instead of origin to
6969         process_scope_var.
6970
6971 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
6972
6973         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
6974         string.
6975
6976 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
6977
6978         PR target/80107
6979         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
6980         TARGET_VSX_SMALL_INTEGER.
6981
6982 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6983
6984         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
6985         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
6986
6987 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
6988
6989         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
6990         extraction from odd-numbered MSA register.
6991
6992 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
6993
6994         PR middle-end/80173
6995         * expmed.c (store_bit_field_1): Don't attempt to create
6996         a word subreg out of hard registers wider than word if they
6997         have HARD_REGNO_NREGS of 1 for their mode.
6998
6999         PR middle-end/80163
7000         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
7001         conversions to integer types wider than word and pointer.
7002
7003         PR debug/80025
7004         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
7005         (rtx_equal_for_cselib_p): Pass 0 to it.
7006         * cselib.c (cselib_hasher::equal): Likewise.
7007         (rtx_equal_for_cselib_1): Add depth argument.  If depth
7008         is 128, don't look up VALUE locs and punt.  Increment
7009         depth in recursive calls when walking VALUE locs.
7010
7011 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7012
7013         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
7014         (make_gcov_file_name): Use the canonical path name for generating
7015         the MD5 value.
7016         (read_line): Fix handling of files with ascii null bytes.
7017
7018 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
7019
7020         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
7021         to initialise a vector register instead
7022         of using a const_int.
7023
7024 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
7025
7026         PR translation/80189
7027         * gimplify.c (omp_default_clause): Use %qs instead of %s in
7028         diagnostic messages.
7029
7030 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
7031
7032         PR target/80246
7033         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
7034         (dfp_diex_<mode>): Update mode of operand 1.
7035         * doc/extend.texi (dxex, dxexq): Document change to return type.
7036         (diex, diexq): Document change to argument type.
7037
7038 2017-03-30  Martin Jambor  <mjambor@suse.cz>
7039
7040         PR ipa/77333
7041         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
7042         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
7043         it reflects the signature changes performed at the callee side.
7044         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
7045         to cgraph_build_function_type_skip_args.
7046         (build_function_decl_skip_args): Adjust call to the above function.
7047
7048 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
7049
7050         PR target/80206
7051         * config/i386/sse.md
7052         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
7053         register as dest whenever it is a MEM not rtx_equal_p to the
7054         corresponding dup operand, and when forcing into reg move the
7055         reg into the memory afterwards.
7056         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
7057         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
7058         for the force_reg mode.
7059         (avx512vl_vextractf128<mode>): Use register as dest either
7060         always when a MEM, or when it is a MEM not rtx_equal_p to the
7061         corresponding dup operand, or even not when it is a CONST_VECTOR
7062         depending on the mode and lo vs. hi.
7063         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
7064         parens.
7065         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
7066         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
7067         Likewise.  Require that operands[2] is even.
7068         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
7069         Remove extraneous parens.  Require that operands[2] is a multiple
7070         of 4.
7071         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
7072         operands[0] is a MEM if <mask_applied>, the predicates/constraints
7073         disallow memory then.
7074
7075 2017-03-30  Richard Biener  <rguenther@suse.de>
7076
7077         PR tree-optimization/77498
7078         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
7079         to non-constants over backedges.
7080
7081 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
7082
7083         PR rtl-optimization/80233
7084         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
7085         as last_combined_insn.  Do not test for BARRIER_P separately.
7086
7087 2017-03-29  Andreas Schwab  <schwab@suse.de>
7088
7089         PR ada/80146
7090         * calls.c (prepare_call_address): Convert funexp to Pmode before
7091         copying to temp reg.
7092
7093 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7094
7095         PR tree-optimization/80158
7096         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
7097         Handle possible future case of more than one alternate
7098         interpretation.
7099         (replace_rhs_if_not_dup): Likewise.
7100         (replace_one_candidate): Likewise.
7101
7102 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
7103
7104         PR rtl-optimization/80193
7105         * ira.c (ira): Do not check allocation for LRA.
7106
7107 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
7108
7109         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
7110         (nvptx_output_simt_exit): Declare.
7111         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
7112         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
7113         (init_softstack_frame): Move initialization of crtl->is_leaf to...
7114         (nvptx_declare_function_name): ...here.  Emit declaration of local
7115         memory space buffer for omp_simt_enter insn.
7116         (nvptx_output_unisimt_switch): New.
7117         (nvptx_output_softstack_switch): New.
7118         (nvptx_output_simt_enter): New.
7119         (nvptx_output_simt_exit): New.
7120         * config/nvptx/nvptx.h (struct machine_function): New fields
7121         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
7122         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
7123         (UNSPECV_SIMT_EXIT): Ditto.
7124         (omp_simt_enter_insn): New insn.
7125         (omp_simt_enter): New expansion.
7126         (omp_simt_exit): New insn.
7127         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
7128
7129         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
7130         (expand_GOMP_SIMT_ENTER_ALLOC): New.
7131         (expand_GOMP_SIMT_EXIT): New.
7132         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
7133         (GOMP_SIMT_ENTER_ALLOC): Ditto.
7134         (GOMP_SIMT_EXIT): Ditto.
7135         * target-insns.def (omp_simt_enter): New insn.
7136         (omp_simt_exit): Ditto.
7137         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
7138         simt_dlist.
7139         (lower_rec_simd_input_clauses): Implement SIMT privatization.
7140         (lower_rec_input_clauses): Likewise.
7141         (lower_lastprivate_clauses): Handle SIMT privatization.
7142
7143         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
7144         (ompdevlow_adjust_simt_enter): New.
7145         (find_simtpriv_var_op): New.
7146         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
7147         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
7148
7149         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
7150         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
7151         (copy_decl_for_dup_finish): Ditto.
7152
7153         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
7154
7155 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
7156
7157         PR target/53383
7158         * config/i386/i386.c (ix86_option_override_internal): Always
7159         allow -mpreferred-stack-boundary=3 for 64-bit targets.
7160
7161 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
7162
7163         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
7164
7165 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
7166
7167         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
7168         mark new edge's irreducible flag accordign to it.
7169         (vect_do_peeling): Check loop preheader edge's irreducible flag
7170         and pass it to function slpeel_add_loop_guard.
7171
7172 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
7173
7174         PR tree-optimization/80218
7175         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
7176         Update block frequencies and counts.
7177
7178 2017-03-28  Richard Biener  <rguenther@suse.de>
7179
7180         PR tree-optimization/78644
7181         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
7182         of a simplification result we may not use it at all.
7183
7184 2017-03-28  Richard Biener  <rguenther@suse.de>
7185
7186         PR ipa/80205
7187         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
7188         without arguments, generate default definition of a SSA name.
7189
7190 2017-03-28  Richard Biener  <rguenther@suse.de>
7191
7192         PR middle-end/80222
7193         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
7194         TYPE_REF_CAN_ALIAS_ALL references.
7195         * fold-const.c (fold_indirect_ref_1): Likewise.
7196
7197 2017-03-28  Martin Liska  <mliska@suse.cz>
7198
7199         PR ipa/80104
7200         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
7201         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
7202
7203 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
7204             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
7205
7206         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
7207         (EXTRA_SPECS): Define.
7208         (SUBTARGET_EXTRA_SPECS): Likewise.
7209         (SUBTARGET_CPP_SPEC): Likewise.
7210         * config/arc/elf.h (EXTRA_SPECS): Renamed to
7211         SUBTARGET_EXTRA_SPECS.
7212         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
7213
7214 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
7215
7216         * config/arc/simdext.md (vst64_insn): Update pattern.
7217         (vld32wh_insn): Likewise.
7218         (vld32wl_insn): Likewise.
7219         (vld64_insn): Likewise.
7220         (vld32_insn): Likewise.
7221
7222 2017-03-28  Marek Polacek  <polacek@redhat.com>
7223
7224         PR sanitizer/80067
7225         * fold-const.c (fold_comparison): Use protected_set_expr_location
7226         instead of SET_EXPR_LOCATION.
7227
7228 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7229
7230         * tree.c (add_expr): Avoid name lookup warning.
7231
7232 2017-03-27  Jeff Law  <law@redhat.com>
7233
7234         PR tree-optimization/80216
7235         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
7236         function name.  Limit recursion depth.
7237         (record_temporary_equivalences): Corresponding changes.
7238
7239 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
7240
7241         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
7242         covered first.
7243
7244 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
7245
7246         PR target/80102
7247         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
7248         notes.
7249         * cfgcleanup.c (reg_note_cfa_p): New array.
7250         (insns_have_identical_cfa_notes): New function.
7251         (old_insns_match_p): Don't cross-jump in between /f
7252         and non-/f instructions.  If both i1 and i2 are frame related,
7253         verify all CFA notes, their order and content.
7254
7255 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
7256
7257         PR target/78543
7258         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
7259         HImode and SImode with zero extend to DImode to one insn.
7260         (bswap<mode>2_extenddi): Likewise.
7261         (bswapsi2_extenddi): Likewise.
7262         (bswaphi2_extendsi): Likewise.
7263         (bswaphi2): Combine bswap HImode and SImode into one insn.
7264         Separate memory insns from swapping register.
7265         (bswapsi2): Likewise.
7266         (bswap<mode>2): Likewise.
7267         (bswaphi2_internal): Delete, no longer used.
7268         (bswapsi2_internal): Likewise.
7269         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
7270         store, and gpr<-gpr swap insns.
7271         (bswap<mode>2_store): Likewise.
7272         (bswaphi2_reg): Register only splitter, combine with the splitter.
7273         (bswaphi2 splitter): Likewise.
7274         (bswapsi2_reg): Likewise.
7275         (bswapsi2 splitter): Likewise.
7276         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
7277         the insns into load, store, and register/register insns.
7278         (bswapdi2_ldbrx): Likewise.
7279         (bswapdi2_load): Likewise.
7280         (bswapdi2_store): Likewise.
7281         (bswapdi2_reg): Likewise.
7282
7283 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
7284
7285         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
7286         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
7287
7288 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7289
7290         PR target/80103
7291         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
7292         add comments.
7293         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
7294         special handling for target option conflicts between dform
7295         options (-mpower9-dform, -mpower9-dform-vector,
7296         -mpower9-dform-scalar) and -mno-direct-move.
7297
7298 2017-03-27  Richard Biener  <rguenther@suse.de>
7299
7300         PR tree-optimization/80181
7301         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
7302
7303 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
7304
7305         * config/arc/predicates.md (move_double_src_operand): Replace the
7306         call to move_double_src_operand with a call to address_operand.
7307
7308 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
7309
7310         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
7311         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
7312         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
7313
7314 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
7315
7316         * config/arc/predicates.md (long_immediate_loadstore_operand):
7317         Consider scaled addresses cases.
7318
7319 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
7320
7321         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
7322         restored when in interrupt.
7323         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
7324         doesn't have delay slot.
7325
7326 2017-03-27  Richard Biener  <rguenther@suse.de>
7327
7328         PR ipa/79776
7329         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
7330         inlined thunk clones.
7331
7332 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
7333
7334         PR sanitizer/80168
7335         * asan.c (instrument_derefs): Copy over last operand from
7336         original COMPONENT_REF to the new COMPONENT_REF with
7337         DECL_BIT_FIELD_REPRESENTATIVE.
7338         * ubsan.c (instrument_object_size): Likewise.
7339
7340 2017-03-27  Richard Biener  <rguenther@suse.de>
7341
7342         PR tree-optimization/80170
7343         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
7344         sure DR/SCEV didnt fold in constants we do not see when looking
7345         at the reference base alignment.
7346
7347 2017-03-27  Richard Biener  <rguenther@suse.de>
7348
7349         PR middle-end/80171
7350         * gimple-fold.c (fold_ctor_reference): Properly guard against
7351         NULL return value from canonicalize_constructor_val.
7352
7353 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
7354
7355         PR target/80180
7356         * config/i386/i386.c (ix86_expand_builtin)
7357         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
7358         flags reg setting and flags reg using instructions.
7359         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
7360         clobbering instructions to zero extend op2.
7361
7362 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
7363
7364         * doc/install.texi (Configuration) <--with-aix-soname>:
7365         Update link to AIX ld.
7366
7367 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
7368
7369         PR rtl-optimization/80160
7370         PR rtl-optimization/80159
7371         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
7372         reg_alternate_class into account.
7373
7374 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
7375
7376         PR target/80148
7377         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
7378         to consider in curr_insn_transform.
7379
7380 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
7381
7382         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
7383         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
7384         and emit_mode_inner.
7385
7386 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7387
7388         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
7389         argument to the overloaded builtin variants.  Use the new flag to
7390         deprecate certain builtin variants.
7391         * config/s390/s390-builtin-types.def: Add new builtin types.
7392         * config/s390/s390-builtins.h: Support new flags field for
7393         overloaded builtins.
7394         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
7395         (s390_macro_to_expand): Enable vector float data type.
7396         (s390_cpu_cpp_builtins_internal): Indicate support of the new
7397         builtins by incrementing the __VEC__ version number.
7398         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
7399         vec_xst.
7400         (s390_resolve_overloaded_builtin): Emit error messages depending
7401         on the builtin flags.
7402         * config/s390/s390.c (s390_expand_builtin): Support additional
7403         flags argument.  Change error message to match the messages
7404         emitted in s390-c.c.
7405         * config/s390/s390.md: New UNSPEC_* constants.
7406         (op_type): Add new instruction types.
7407         * config/s390/vecintrin.h: Add new builtins and test data class
7408         constants.
7409         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
7410         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
7411         (VEC_INEXACT, VEC_NOINEXACT): New constants.
7412         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
7413         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
7414         ("vec_mergel<mode>"): V_HW -> VEC_HW.
7415
7416         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
7417         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
7418         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
7419         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
7420
7421         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
7422         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
7423         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
7424         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
7425
7426         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
7427         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
7428         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
7429         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
7430         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
7431         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
7432         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
7433
7434         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
7435         ("vec_scatter_element<V_HW_4:mode>_DI")
7436         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
7437         ("vec_fpint<mode>", "vflls")
7438         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
7439         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
7440         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
7441         ("*vec_cmphe<mode>_cc"): ... these.
7442
7443         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
7444         mode constant instead of magic value.
7445
7446 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7447
7448         * config/s390/s390.c (s390_expand_vec_compare): Support other
7449         vector floating point modes than just V2DF.
7450         (s390_expand_vcond): Likewise.
7451         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
7452         (s390_cannot_change_mode_class): Prevent mode changes between TF
7453         and V1TF in vector registers.
7454         * config/s390/s390.md (DF, SF): New mode attributes.
7455         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
7456         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
7457         SFmode support for VRs.
7458         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
7459         vector fp modes.
7460         (VFT, VF_HW): New mode iterators.
7461         (vw, sdx): New mode attributes.
7462         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
7463         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
7464         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
7465         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
7466         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
7467         also the new vector floating point modes.  Renaming to ...
7468
7469         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
7470         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
7471         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
7472         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
7473         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
7474         ("vec_unordered<mode>"): ... these.
7475
7476         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
7477         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
7478         ("*vec_extendv2df"): New insn definitions.
7479
7480 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7481
7482         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
7483         ("mulditi3_2", "*muldi3_sign"): New patterns.
7484         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
7485         rename the pattern definition.
7486
7487 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7488
7489         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
7490         expander.
7491         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
7492
7493 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7494
7495         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
7496         instruction if possible.
7497         * config/s390/vector.md (vec_halfnumelts): New mode
7498         attribute.
7499         ("*vec_vllezlf<mode>"): New pattern.
7500
7501 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7502
7503         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
7504         ("popcountv4si2", "popcountv2di2"): Rename to ...
7505         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
7506         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
7507         condition.
7508         ("popcount<mode>2_vxe"): New pattern.
7509
7510 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7511
7512         * common/config/s390/s390-common.c (processor_flags_table): Add
7513         arch12.
7514         * config.gcc: Add arch12.
7515         * config/s390/driver-native.c (s390_host_detect_local_cpu):
7516         Default to arch12 for unknown CPU model numbers.
7517         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
7518         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
7519         PROCESSOR_max sanity check.
7520         * config/s390/s390-opts.h (enum processor_type): Add
7521         PROCESSOR_ARCH12.
7522         * config/s390/s390.c (processor_table): Add arch12.
7523         (s390_expand_builtin): Add check for B_VXE flag.
7524         (s390_issue_rate): Add PROCESSOR_ARCH12.
7525         (s390_get_sched_attrmask): Likewise.
7526         (s390_get_unit_mask): Likewise.
7527         (s390_sched_score): Enable z13 scheduling for arch12.
7528         (s390_sched_reorder): Likewise.
7529         (s390_sched_variable_issue): Likewise.
7530         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
7531         PF_VXE.
7532         (s390_tune_attr): Use z13 scheduling also for arch12.
7533         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
7534         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
7535         (TARGET_VXE_P): New macros.
7536         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
7537         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
7538         * config/s390/s390.opt: Add arch12 as processor_type.
7539
7540 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7541
7542         * config/s390/s390.md
7543         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7544         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
7545         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
7546
7547         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
7548         Rename expanders to ...
7549
7550         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
7551         ("fixuns_truncdddi2_emu"): ... these.
7552
7553         ("fixuns_trunc<mode>si2_emu"): New expander.
7554
7555         ("*fixuns_truncdfdi2_z13"): Rename to ...
7556         ("*fixuns_truncdfdi2_vx"): ... this.
7557
7558 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7559
7560         * config/s390/2964.md: Remove the single element vector compare
7561         instructions which are no longer used.
7562         * config/s390/s390.c (s390_select_ccmode): Remove handling of
7563         vector CCmodes.
7564         (s390_canonicalize_comparison): Remove handling of DFmode
7565         compares.
7566         (s390_expand_vec_compare_scalar): Remove function.
7567         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
7568         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
7569         pattern.
7570         ("*cmp<mode>_ccs"): Add wfcdb instruction.
7571
7572 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7573
7574         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
7575         FP zero.
7576         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
7577         will anyway by matched by mov<mode>_64dfp.
7578
7579 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7580
7581         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
7582         vlef/vstef.  Add missing operand to vleif.
7583
7584 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7585
7586         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
7587         pair for all vector types with 64 bit elements.
7588         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
7589         * config/s390/vector.md (V_HW_64): ... here.
7590         (V_128_NOSINGLE): New mode iterator.
7591         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
7592         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
7593         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
7594         ("*vec_load_pairv2di"): Change to ...
7595         ("*vec_load_pair<mode>"): ... this one.
7596
7597 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7598
7599         * config/s390/constraints.md: Add comments.
7600         (jKK): Reject element sizes > 8 bytes.
7601         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
7602         s_operands.
7603         * config/s390/s390.md: Add the s_operand checks formerly in
7604         s390_split_ok_p to various splitters where they are still
7605         required.
7606         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
7607         for 128 bit vectors.  Plus two splitters.
7608
7609 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7610
7611         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
7612         the file.
7613
7614 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7615
7616         PR target/79893
7617         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
7618         error if the boundary argument is not constant.
7619
7620 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
7621
7622         PR rtl-optimization/80112
7623         * loop-doloop.c (doloop_condition_get): Don't check condition
7624         if cmp isn't SET with IF_THEN_ELSE src.
7625
7626 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7627
7628         PR tree-optimization/80158
7629         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
7630         replacing a candidate statement, also replace it for the
7631         candidate's alternate interpretation.
7632         (replace_rhs_if_not_dup): Likewise.
7633         (replace_one_candidate): Likewise.
7634
7635 2017-03-24  Richard Biener  <rguenther@suse.de>
7636
7637         PR tree-optimization/80167
7638         * graphite-isl-ast-to-gimple.c
7639         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
7640         properly.
7641         (translate_isl_ast_to_gimple::get_rename): Likewise.
7642
7643 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7644
7645         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
7646         handling of certain combinations of target options, including the
7647         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
7648         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
7649
7650 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7651
7652         PR target/71436
7653         * config/arm/arm.md (*load_multiple): Add reload_completed to
7654         matching condition.
7655
7656 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7657             Richard Biener  <rguenth@suse.de>
7658
7659         PR tree-optimization/79908
7660         PR tree-optimization/80136
7661         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7662         been cast away, gimplify_and_add suffices.
7663
7664 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
7665
7666         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
7667
7668 2017-03-23  Richard Biener  <rguenther@suse.de>
7669
7670         PR tree-optimization/80032
7671         * gimplify.c (gimple_push_cleanup): Forced unconditional
7672         cleanups still have to go to the conditional_cleanups
7673         sequence.
7674
7675 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
7676
7677         PR tree-optimization/80072
7678         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
7679         to unsigned int.
7680         (next_operand_entry_id): Change type to unsigned int.
7681         (sort_by_operand_rank): Make sure to return the right return value
7682         even if unsigned fields are bigger than INT_MAX.
7683         (struct oecount): Change cnt and id type to unsigned int.
7684         (oecount_hasher::equal): Formatting fix.
7685         (oecount_cmp): Make sure to return the right return value
7686         even if unsigned fields are bigger than INT_MAX.
7687         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
7688
7689         PR c++/80129
7690         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
7691         TREE_READONLY on result if writing it more than once.
7692
7693         PR sanitizer/80110
7694         * doc/invoke.texi (-fsanitize=thread): Document that with
7695         -fnon-call-exceptions atomics are not able to throw
7696         exceptions.
7697
7698         PR sanitizer/80110
7699         * tsan.c: Include tree-eh.h.
7700         (instrument_builtin_call): Call maybe_clean_eh_stmt or
7701         maybe_clean_or_replace_eh_stmt where needed.
7702         (instrument_memory_accesses): Add cfg_changed argument.
7703         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
7704         if it returned true.
7705         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
7706
7707         PR rtl-optimization/63191
7708         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
7709         wrapper function, moved the whole old content into ...
7710         (ix86_delegitimize_address_1): ... this.  New inline function.
7711         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
7712         true as last argument instead of ix86_delegitimize_address.
7713
7714 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7715
7716         * config/aarch64/aarch64.c (generic_branch_cost): Copy
7717         cortexa57_branch_cost.
7718
7719 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
7720
7721         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
7722
7723 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7724
7725         PR target/80123
7726         * doc/md.texi (Constraints): Document wA constraint.
7727         * config/rs6000/constraints.md (wA): New.
7728         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
7729         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
7730         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
7731         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
7732
7733 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
7734
7735         PR c++/80029
7736         * gimplify.c (is_oacc_declared): New function.
7737         (oacc_default_clause): Use it to set default flags for acc declared
7738         variables inside parallel regions.
7739         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
7740         declared variables.
7741         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
7742         declare attribute to any decl as necessary.
7743
7744 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7745
7746         PR target/80082
7747         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
7748         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
7749         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
7750         (arm_arch_lpae): This.
7751         * config/arm/arm.c (arm_arch7ve): Rename into ...
7752         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
7753         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
7754         arm_arch_lpae.
7755
7756 2017-03-22  Martin Liska  <mliska@suse.cz>
7757
7758         PR target/79906
7759         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
7760         error message instead of an ICE.
7761
7762 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7763
7764         * doc/extend.texi (6.11 Additional Floating Types): Revise.
7765
7766 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7767
7768         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
7769         comments.
7770         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
7771         comments.
7772
7773 2017-03-21  Martin Sebor  <msebor@redhat.com>
7774
7775         * doc/extend.texi: Use "cannot" instead of "can't."
7776         * doc/hostconfig.texi: Same.
7777         * doc/install.texi: Same.
7778         * doc/invoke.texi: Same.
7779         * doc/loop.texi: Same.
7780         * doc/md.texi: Same.
7781         * doc/objc.texi: Same.
7782         * doc/rtl.texi: Same.
7783         * doc/tm.texi: Same.
7784         * doc/tm.texi.in: Same.
7785         * doc/trouble.texi: Same.
7786
7787 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
7788
7789         PR debug/63238
7790         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
7791         (collect_checksum_attributes): Set it.
7792         (die_checksum_ordered): Use it.
7793
7794 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7795
7796         PR tree-optimization/79908
7797         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
7798         change: For a VA_ARG whose LHS has been cast away, use
7799         force_gimple_operand to construct the side effects.
7800
7801 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
7802
7803         PR translation/80001
7804         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
7805         more amenable to translation.
7806         (oacc_loop_auto_partitions): Likewise.
7807
7808 2017-03-21  Marek Polacek  <polacek@redhat.com>
7809             Martin Sebor  <msebor@redhat.com>
7810
7811         PR tree-optimization/80109
7812         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
7813         on INTEGRAL_TYPE_P.
7814
7815 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7816             Segher Boessenkool  <segher@kernel.crashing.org>
7817
7818         PR target/80125
7819         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
7820         check reg_used_between_p between insn and one of succ or succ2
7821         depending on if succ is artificial insn not inserted into insn
7822         stream.
7823
7824 2017-03-21  Martin Liska  <mliska@suse.cz>
7825
7826         PR gcov-profile/80081
7827         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
7828         * doc/gcc.texi: Include gcov-dump stuff.
7829         * doc/gcov-dump.texi: New file.
7830
7831 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
7832
7833         PR rtl-optimization/79150
7834         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
7835         conditional jump, if the jump is the last insn of the loop.
7836
7837 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7838             Richard Biener  <rguenth@suse.de>
7839
7840         PR tree-optimization/79908
7841         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
7842         been cast away, use force_gimple_operand to construct the side
7843         effects.
7844
7845 2017-03-21  Martin Liska  <mliska@suse.cz>
7846
7847         PR libfortran/79956
7848         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
7849         to NULL.
7850
7851 2017-03-21  Brad Spengler <spender@grsecurity.net>
7852
7853         PR plugins/80094
7854         * plugin.c (htab_hash_plugin): New function.
7855         (add_new_plugin): Use it and adjust.
7856         (parse_plugin_arg_opt): Adjust.
7857         (init_one_plugin): Likewise.
7858
7859 2017-03-21  Richard Biener  <rguenther@suse.de>
7860
7861         PR tree-optimization/80032
7862         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
7863         if set force the cleanup to happen unconditionally.
7864         (gimplify_target_expr): Push inserted clobbers with force_uncond
7865         to avoid them being removed by control-dependent DCE.
7866
7867 2017-03-21  Richard Biener  <rguenther@suse.de>
7868
7869         PR tree-optimization/80122
7870         * tree-inline.c (copy_bb): Do not expans va-arg packs or
7871         va_arg_pack_len when the inlined call stmt requires pack
7872         expansion itself.
7873         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
7874
7875 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
7876
7877         PR sanitizer/78158
7878         * tsan.c (instrument_builtin_call): If the memory model argument
7879         is not a constant, assume it is valid.
7880
7881         PR c/67338
7882         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
7883         avoid UB.
7884
7885 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7886
7887         PR rtl-optimization/79910
7888         * combine.c (can_combine_p): Do not allow combining an I0 or I1
7889         if its dest is used by an insn before I2 (other than the combined
7890         insns themselves, which are properly handled already).
7891
7892 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
7893
7894         Revert:
7895         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
7896
7897         * combine.c (record_used_regs): New static function.
7898         (try_combine): Handle situations where there is an additional
7899         instruction between I2 and I3 which needs to have a LOG_LINK
7900         updated.
7901
7902         Revert:
7903         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
7904
7905         * combine.c (try_combine): Delete redundant i1 test.  Call
7906         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7907
7908 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7909
7910         PR target/80083
7911         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
7912         alternatives 13/14.
7913
7914 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7915
7916         PR tree-optimization/80054
7917         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
7918         the optimization if a PHI or any of its arguments is not dominated
7919         by the candidate's basis.  Use gphi* rather than gimple* as
7920         appropriate.
7921         (replace_profitable_candidates): Clean up a gimple* variable that
7922         should be a gphi* variable.
7923
7924 2017-03-20  Martin Sebor  <msebor@redhat.com>
7925
7926         PR c++/52477
7927         * doc/extend.texi (attribute constructor): Document present limitation.
7928
7929 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7930
7931         PR target/79963
7932         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
7933         __POWER9_VECTOR__ #ifdef control, change template definition to
7934         use Power9-specific built-in function.
7935         (vec_any_eq): Likewise.
7936         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
7937         to control outcomes from this test.
7938         (vector_ae_<mode>p): For VEC_F modes, likewise.
7939
7940 2017-03-20  Ian Lance Taylor  <iant@google.com>
7941
7942         * config/i386/i386.c (ix86_function_regparm): Save an extra
7943         register for -fsplit-stack with DECL_STATIC_CHAIN.
7944
7945 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7946
7947         PR target/79912
7948         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
7949         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
7950
7951 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
7952
7953         * config/riscv/riscv.c (riscv_print_operand): Use "fence
7954         iorw,ow".
7955         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
7956         iorw,iorw".
7957
7958 2017-03-20  Marek Polacek  <polacek@redhat.com>
7959
7960         PR sanitizer/80063
7961         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
7962
7963 2017-03-20  Richard Biener  <rguenther@suse.de>
7964
7965         PR tree-optimization/80113
7966         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
7967         allocate extra SSA name for PHI def.
7968         (add_close_phis_to_outer_loops): Likewise.
7969         (add_close_phis_to_merge_points): Likewise.
7970         (copy_loop_close_phi_args): Likewise.
7971         (copy_cond_phi_nodes): Likewise.
7972
7973 2017-03-20  Martin Liska  <mliska@suse.cz>
7974
7975         PR middle-end/79753
7976         * tree-chkp.c (chkp_build_returned_bound): Do not build
7977         returned bounds for a LHS that's not a BOUNDED_P type.
7978
7979 2017-03-20  Martin Liska  <mliska@suse.cz>
7980
7981         PR target/79769
7982         PR target/79770
7983         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
7984         COMPLEX_CST and VECTOR_CST.
7985
7986 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7987
7988         PR target/78857
7989         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
7990         target operand.  A new splitter adds the clobber statement in case
7991         the target operand is dead anyway.
7992
7993 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
7994
7995         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
7996         to age-old versions of binutils and glibc.
7997
7998 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
7999
8000         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
8001
8002 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
8003
8004         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
8005
8006 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
8007
8008         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
8009         requirement for binutils 2.13.
8010
8011 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
8012
8013         * combine.c (try_combine): Delete redundant i1 test.  Call
8014         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
8015
8016 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
8017
8018         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
8019         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
8020         contents.
8021         <riscv64-*-elf>: Re-arrange section
8022         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
8023         <riscv32-*-linux>: Likewise.
8024         <riscv64-*-elf>: Likewise
8025         <riscv64-*-linux>: Likewise.
8026
8027 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
8028
8029         PR target/80052
8030         * aarch64.opt(verbose-cost-dump): Fix typo.
8031
8032 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
8033
8034         PR target/79951
8035         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
8036         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
8037
8038 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
8039
8040         * reload.c (find_reloads): When reloading a nonoffsettable address,
8041         use RELOAD_OTHER for it and its address reloads.
8042
8043         PR rtl-optimization/79910
8044         * combine.c (record_used_regs): New static function.
8045         (try_combine): Handle situations where there is an additional
8046         instruction between I2 and I3 which needs to have a LOG_LINK
8047         updated.
8048
8049 2017-03-17  Jeff Law  <law@redhat.com>
8050
8051         PR tree-optimization/71437
8052         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
8053         conditional in the hash table first.
8054         (vrp_dom_walker::before_dom_children): Extract condition from
8055         ASSERT_EXPR.  Record condition, its inverion and any implied
8056         conditions as well.
8057
8058 2017-03-17  Marek Polacek  <polacek@redhat.com>
8059             Markus Trippelsdorf  <markus@trippelsdorf.de>
8060
8061         PR tree-optimization/80079
8062         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
8063         m_stores_head.
8064
8065 2017-03-17  Richard Biener  <rguenther@suse.de>
8066
8067         PR middle-end/80075
8068         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
8069         Properly verify the LHS before the RHS possibly claims to be
8070         handled.
8071         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
8072         do not throw.
8073
8074 2017-03-17  Martin Jambor  <mjambor@suse.cz>
8075
8076         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
8077         (List of -O2 options): Likewise.
8078         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
8079         (-fipa-vrp) New.
8080
8081 2017-03-17  Tom de Vries  <tom@codesourcery.com>
8082
8083         * gcov-dump.c (print_usage): Print bug_report_url.
8084
8085 2017-03-17  Richard Biener  <rguenther@suse.de>
8086
8087         PR middle-end/80050
8088         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
8089         (parser::peek): Likewise.
8090
8091 2017-03-17  Richard Biener  <rguenther@suse.de>
8092
8093         PR tree-optimization/80048
8094         * sese.c (free_sese_info): Properly release rename_map and
8095         copied_bb_map elements.
8096
8097 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
8098
8099         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
8100         Add linked-list forward and backlinks.  Insert on
8101         construction, remove on destruction.
8102         (class pass_store_merging): Add m_stores_head field.
8103         (pass_store_merging::terminate_and_process_all_chains):
8104         Iterate over m_stores_head list.
8105         (pass_store_merging::terminate_all_aliasing_chains):
8106         Likewise.
8107         (pass_store_merging::execute): Check for debug stmts first.
8108         Push new chains onto the m_stores_head stack.
8109
8110 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
8111
8112         PR target/71294
8113         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
8114         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
8115         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
8116
8117 2017-03-16  Jeff Law  <law@redhat.com>
8118
8119         PR tree-optimization/71437
8120         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
8121         member function.  Implementation moved into after_dom_children
8122         member function and into the threader's thread_outgoing_edges
8123         function.
8124         (dom_opt_dom_walker::after_dom_children): Simplify by moving
8125         some code into new thread_outgoing_edges.
8126         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
8127         definition.  Simplify marker handling (do it here).   Assume we always
8128         have the available expression and the const/copies tables.
8129         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
8130         and tree-vrp.c
8131         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
8132         * tree-vrp.c (equiv_stack): No longer file scoped.
8133         (vrp_dom_walker): New class.
8134         (vrp_dom_walker::before_dom_children): New member function.
8135         (vrp_dom_walker::after_dom_children): Likewise.
8136         (identify_jump_threads):  Setup domwalker.  Use it rather than
8137         walking edges in a random order by hand.  Simplify setup/finalization.
8138         (finalize_jump_threads): Remove.
8139         (vrp_finalize): Do not call identify_jump_threads here.
8140         (execute_vrp): Do it here instead and call thread_through_all_blocks
8141         here too.
8142
8143         PR tree-optimization/71437
8144         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
8145         callers changed.
8146         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
8147         callers changed.
8148         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
8149         (dom_opt_dom_walker::thread_across_edge): Remove
8150         handle_dominating_asserts argument.  All callers changed.
8151         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
8152         changes.  Remove calls to lhs_of_dominating_assert.  Other
8153         uses of handle_dominating_asserts turn into unconditional code
8154         (simplify_control_stmt_condition_1): Likewise.
8155         (simplify_control_stmt_condition): Likewise.
8156         (thread_through_normal_block, thread_across_edge): Likewise.
8157         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
8158         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
8159         object if it is not an SSA_NAME.
8160         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
8161         before calling into the VRP specific simplifiers.
8162         (identify_jump_threads): Remove handle_dominating_asserts
8163         argument.
8164
8165 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
8166
8167         PR fortran/79886
8168         * tree-diagnostic.c (default_tree_printer): No longer static.
8169         * tree-diagnostic.h (default_tree_printer): New prototype.
8170
8171 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
8172
8173         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
8174         Change ins into fmov.
8175
8176 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8177
8178         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
8179         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
8180         Use h_con constraint for operand 1.
8181         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
8182         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
8183
8184 2017-03-15  Jeff Law  <law@redhat.com>
8185
8186         PR tree-optimization/71437
8187         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
8188         (record_temporary_equivalences): Use it.
8189
8190         PR tree-optimization/71437
8191         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
8192         tree-ssa-scopedtables.
8193         (lookup_avail_expr, build_and_record_new_cond): Likewise.
8194         (record_conditions, record_cond, vuse_eq): Likewise.
8195         (record_edge_info): Adjust to API tweak of record_conditions.
8196         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
8197         (record_temporary_equivalences, optimize_stmt): Likewise.
8198         (eliminate_redundant_computations): Likewise.
8199         (record_equivalences_from_stmt): Likewise.
8200         * tree-ssa-scopedtables.c: Include options.h and params.h.
8201         (vuse_eq): New function, moved from tree-ssa-dom.c
8202         (build_and_record_new_cond): Likewise.
8203         (record_conditions): Likewise.  Accept vector of conditions rather
8204         than edge_equivalence structure for first argument.
8205         for the first argument.
8206         (avail_exprs_stack::lookup_avail_expr): New member function, moved
8207         from tree-ssa-dom.c.
8208         (avail_exprs_stack::record_cond): Likewise.
8209         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
8210         from tree-ssa-dom.c.
8211         (avail_exprs_stack): Add new member functions lookup_avail_expr
8212         and record_cond.
8213         (record_conditions): Declare.
8214
8215 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
8216
8217         PR target/80017
8218         * lra-constraints.c (process_alt_operands): Increase reject for
8219         reloading an input/output operand.
8220
8221 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
8222
8223         PR target/79038
8224         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
8225         insns to convert from signed/unsigned char/short to IEEE 128-bit
8226         floating point.
8227         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
8228
8229 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
8230
8231         PR target/80019
8232         * config/i386/i386.c (ix86_vector_duplicate_value): Create
8233         subreg of inner mode for values already in registers.
8234
8235 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
8236
8237         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
8238         iteration reg is used after the loop.
8239
8240 2017-03-14  Martin Sebor  <msebor@redhat.com>
8241
8242         PR tree-optimization/79800
8243         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
8244         precision in negative-positive range.
8245         (format_floating): Call non-const overload with adjusted precision.
8246
8247 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8248
8249         PR target/79947
8250         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
8251         -mpowerpc-gfxopt.
8252
8253 2017-03-14  Martin Sebor  <msebor@redhat.com>
8254
8255         PR middle-end/80020
8256         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
8257         * builtins.def (aligned_alloc): Use it.
8258
8259         PR c/79936
8260         * Makefile.in (GTFILES): Add calls.c.
8261         * calls.c: Include "gt-calls.h".
8262
8263 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
8264
8265         PR rtl-optimization/79728
8266         * regs.h (struct target_regs): New field
8267         x_contains_allocatable_regs_of_mode.
8268         (contains_allocatable_regs_of_mode): New macro.
8269         * reginfo.c (init_reg_sets_1): Initialize it, and change
8270         contains_reg_of_mode so it includes global regs as well.
8271         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
8272         rather than contains_regs_of_mode.
8273
8274 2017-03-14  Martin Liska  <mliska@suse.cz>
8275
8276         * doc/invoke.texi: Document options that can't be combined with
8277         -fcheck-pointer-bounds.
8278
8279 2017-03-14  Martin Liska  <mliska@suse.cz>
8280
8281         PR middle-end/79831
8282         * doc/invoke.texi (-Wchkp): Document the option.
8283
8284 2017-03-14  Martin Liska  <mliska@suse.cz>
8285
8286         * Makefile.in: Install gcov-dump.
8287
8288 2017-03-14  Martin Liska  <mliska@suse.cz>
8289
8290         * multiple_target.c (expand_target_clones): Bail out for
8291         an invalid attribute.
8292
8293 2017-03-14  Richard Biener  <rguenther@suse.de>
8294
8295         * alias.c (struct alias_set_entry): Pack properly.
8296         * cfgloop.h (struct loop): Likewise.
8297         * cse.c (struct set): Likewise.
8298         * ipa-utils.c (struct searchc_env): Likewise.
8299         * loop-invariant.c (struct invariant): Likewise.
8300         * lra-remat.c (struct cand): Likewise.
8301         * recog.c (struct change_t): Likewise.
8302         * rtl.h (struct address_info): Likewise.
8303         * symbol-summary.h (function_summary): Likewise.
8304         * tree-loop-distribution.c (struct partition): Likewise.
8305         * tree-object-size.c (struct object_size_info): Likewise.
8306         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
8307         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
8308         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
8309         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
8310         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
8311         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
8312         (struct _stmt_vec_info): Likewise.
8313
8314 2017-03-14  Martin Liska  <mliska@suse.cz>
8315
8316         PR target/79892
8317         * multiple_target.c (create_dispatcher_calls): Check that
8318         a target can create a function dispatcher.
8319
8320 2017-03-14  Martin Liska  <mliska@suse.cz>
8321
8322         PR lto/66295
8323         * multiple_target.c (expand_target_clones): Drop local.local
8324         flag for default implementation.
8325
8326 2017-03-14  Richard Biener  <rguenther@suse.de>
8327
8328         PR tree-optimization/80030
8329         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
8330
8331 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
8332
8333         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
8334         gcc_fallthrough() instead of __attribute__((fallthrough));
8335
8336 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
8337
8338         * doc/gcc.texi: Remove "up" link to (DIR).
8339         * doc/gccint.texi: Ditto.
8340
8341 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
8342
8343         * doc/install.texi (Specific) <avr>: Remove reference to
8344         binutils 2.13.
8345
8346 2017-03-13  Jeff Law  <law@redhat.com>
8347
8348         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
8349         attribute rather than comments.
8350
8351         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
8352         match_scratch operand is highest.
8353
8354 2017-03-13  Martin Liska  <mliska@suse.cz>
8355
8356         PR middle-end/78339
8357         * ipa-pure-const.c (warn_function_noreturn): If the declarations
8358         is a CHKP clone, use original declaration.
8359
8360 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
8361
8362         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
8363         (arc_conditional_register_usage): Use a different allocation order
8364         when optimizing for size.
8365         * common/config/arc/arc-common.c (arc_option_optimization_table):
8366         Section anchors default on when optimizing for size.
8367
8368 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
8369
8370         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
8371
8372 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
8373
8374         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
8375         * config/arc/arc.md (cpu_facility): Add cd variant.
8376         (*movqi_insn): Add code density variant.
8377         (*movhi_insn): Likewise.
8378         (*movqi_insn): Likewise.
8379         (*addsi3_mixed): Likewise.
8380         (subsi3_insn): Likewise.
8381
8382 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
8383
8384         * config/arc/arc.md (movsi_cond_exec): Update constraint.
8385
8386 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
8387
8388         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
8389         expressions with MINUS and UNARY ops.
8390
8391 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8392
8393         PR target/79911
8394         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
8395         Rename to...
8396         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
8397         between vec_select and vector argument.
8398         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
8399         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
8400         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
8401         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
8402         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
8403         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
8404
8405 2017-03-13  Richard Biener  <rguenther@suse.de>
8406
8407         PR other/79991
8408         * params.def (vect-max-peeling-for-alignment): Fix typo.
8409
8410 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
8411
8412         * doc/install.texi (Specific) <mips-*-*>: Remove description of
8413         issue that only occurred with binutils below 2.18.
8414
8415 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
8416
8417         * doc/install.texi (Specific) <cris-axis-elf>: No longer
8418         refer to binutils 2.11/2.12 minimum.
8419
8420 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
8421
8422         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
8423         ftp.kernel.org and simplify binutils requirement.
8424
8425 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
8426
8427         * doc/invoke.texi (Warning Options): Fix spelling of link-time
8428         optimization.
8429         (Optimize Options): Ditto.  Also remove redundancy.
8430
8431 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8432
8433         PR translation/79848
8434         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
8435         "%qs".
8436         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
8437         to G_ to avoid double translation.
8438
8439 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8440
8441         PR translation/79923
8442         * auto-profile.c (get_combined_location): Convert leading
8443         character of diagnostics to lower case and remove trailing period.
8444         (read_profile): Likewise for various diagnostics.
8445         * config/arm/arm.c (arm_option_override): Remove trailing period
8446         from various diagnostics.
8447         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
8448         (msp430_expand_delay_cycles): Likewise.
8449
8450 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8451
8452         PR target/79925
8453         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
8454         full command-line argument, rather than just "str".
8455         (aarch64_validate_march): Likewise.
8456         (aarch64_validate_mtune): Likewise.
8457
8458 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
8459
8460         PR rtl-optimization/78911
8461         * lra-assigns.c (must_not_spill_p): New function.
8462         (spill_for): Use it.
8463
8464 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
8465
8466         PR tree-optimization/79981
8467         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
8468         ATOMIC_COMPARE_EXCHANGE ifn result.
8469         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
8470         IFN_ATOMIC_COMPARE_EXCHANGE.
8471
8472 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8473
8474         PR driver/79875
8475         * opts.c (parse_sanitizer_options): Add missing question mark to
8476         "did you mean" message.
8477
8478 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8479
8480         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
8481         built-in.
8482         (VMULEUH_UNS): Likewise.
8483         (VMULOUB_UNS): Likewise.
8484         (VMULOUH_UNS): Likewise.
8485         * config/rs6000/rs6000.c (builtin_function_type): Remove
8486         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
8487
8488 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
8489
8490         PR bootstrap/79952
8491         * read-rtl-function.c (function_reader::read_rtx_operand): Update
8492         x with result of extra_parsing_for_operand_code_0.
8493         (function_reader::extra_parsing_for_operand_code_0): Convert
8494         return type from void to rtx, returning x.  When reading
8495         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
8496         larger size containing struct block_symbol.
8497
8498 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
8499
8500         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
8501         -mfloat128-hardware without -m64.
8502
8503 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
8504
8505         PR target/79941
8506         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
8507         entries to the case statement that marks unsigned arguments to
8508         overloaded functions.
8509
8510 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8511
8512         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
8513         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
8514
8515 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
8516
8517         PR target/79907
8518         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
8519         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
8520
8521 2017-03-10  Martin Liska  <mliska@suse.cz>
8522
8523         PR target/65705
8524         PR target/69804
8525         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
8526         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
8527         FIELD != NULL.
8528
8529 2017-03-10  Olivier Hainque  <hainque@adacore.com>
8530
8531         * tree-switch-conversion (array_value_type): Start by resetting
8532         candidate type to it's main variant.
8533
8534 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
8535
8536         PR rtl-optimization/79909
8537         * combine.c (try_combine): Use simplify_replace_rtx on individual
8538         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
8539         of the whole CALL_INSN_FUNCTION_USAGE.
8540
8541         PR tree-optimization/79972
8542         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
8543         get_range_info on SSA_NAMEs.  Formatting fixes.
8544
8545 2017-03-10  Richard Biener  <rguenther@suse.de>
8546             Jakub Jelinek  <jakub@redhat.com>
8547
8548         PR tree-optimization/77975
8549         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
8550         edge to be constant.
8551         (get_val_for): For constant x return it.  Formatting fix.
8552         (loop_niter_by_eval): Avoid pointless looping if the next iteration
8553         would use the same bases as the current one.
8554
8555 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8556
8557         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
8558         instead of vec_select for V1TImode.
8559         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
8560         longer needed.
8561         (VSX_LE_128): Add V1TI to this mode iterator.
8562         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
8563         (*vsx_le_perm_store_<mode>): Likewise.
8564         (pre-reload splitter for VSX stores): Likewise.
8565         (post-reload splitter for VSX stores): Likewise.
8566         (*vsx_xxpermdi2_le_<mode>): Likewise.
8567         (*vsx_lxvd2x2_le_<mode>): Likewise.
8568         (*vsx_stxvd2x2_le_<mode>): Likewise.
8569
8570 2017-03-09  Michael Eager  <eager@eagercon.com>
8571
8572         Correct failures with --enable-checking=yes,rtl.
8573
8574         * config/microblaze/microblaze.c (microblaze_expand_shift):
8575         Replace GET_CODE test with CONST_INT_P and INTVAL test with
8576         test for const0_rtx.
8577         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
8578         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
8579
8580 2017-03-09  Richard Biener  <rguenther@suse.de>
8581
8582         PR tree-optimization/79977
8583         * graphite-scop-detection.c (scop_detection::merge_sese):
8584         Handle the case of extra exits to blocks dominating the entry.
8585
8586 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
8587
8588         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
8589         Document rdynamic.
8590
8591 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
8592
8593         PR rtl-optimization/79949
8594         * lra-constraints.c (process_alt_operands): Check memory when
8595         trying to predict a cycle.  Print about the overall increase.
8596
8597 2017-03-09  Richard Biener  <rguenther@suse.de>
8598
8599         PR middle-end/79971
8600         * gimple-expr.c (useless_type_conversion_p): Preserve
8601         TYPE_SATURATING for fixed-point types.
8602
8603 2017-03-09  Richard Biener  <rguenther@suse.de>
8604
8605         PR ipa/79970
8606         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
8607         alignment of BLKmode params.
8608
8609 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8610
8611         PR target/79913
8612         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
8613         (VALL_NO_V2Q): Likewise.
8614         (VDQF_DF): Delete.
8615         * config/aarch64/aarch64-simd.md
8616         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
8617         iterator.
8618         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
8619         VALL_NO_V2Q mode iterator.
8620         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
8621
8622 2017-03-09  Martin Liska  <mliska@suse.cz>
8623
8624         PR tree-optimization/79631
8625         * tree-chkp-opt.c (chkp_is_constant_addr): Call
8626         tree_int_cst_sign_bit just for INTEGER constants.
8627
8628 2017-03-09  Martin Liska  <mliska@suse.cz>
8629
8630         PR target/65705
8631         PR target/69804
8632         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
8633         sanitizers.
8634
8635 2017-03-09  Marek Polacek  <polacek@redhat.com>
8636
8637         PR c++/79672
8638         * tree.c (inchash::add_expr): Handle TREE_VEC.
8639
8640 2017-03-09  Martin Liska  <mliska@suse.cz>
8641
8642         PR ipa/79764
8643         (chkp_narrow_size_and_offset): New function.
8644         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
8645         (void chkp_parse_bit_field_ref): New function.
8646         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
8647         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
8648
8649 2017-03-09  Martin Liska  <mliska@suse.cz>
8650
8651         PR ipa/79761
8652         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
8653         (chkp_find_bounds_1): Remove gcc_unreachable.
8654
8655 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
8656
8657         PR sanitizer/79944
8658         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
8659         BUILT_IN_SYNC*, determine the access type from the size suffix and
8660         always build a MEM_REF with that type.  Handle forgotten
8661         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
8662
8663         PR target/79932
8664         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
8665         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
8666         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
8667         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
8668         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
8669         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
8670         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
8671         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
8672         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
8673         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
8674         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
8675         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
8676         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
8677         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
8678         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
8679         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
8680         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
8681         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
8682         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
8683         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
8684         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
8685         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
8686         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
8687         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
8688         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
8689         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
8690         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
8691         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
8692         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
8693         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
8694         definitions outside of __OPTIMIZE__ guarded section.
8695
8696         PR target/79932
8697         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
8698         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
8699         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
8700         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
8701         guarded section.
8702
8703 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8704
8705         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
8706         ("vfenez<mode>"): Add missing constraints.
8707
8708 2017-03-08  Martin Sebor  <msebor@redhat.com>
8709
8710         PR target/79928
8711         * config/nds32/nds32.c (nds32_option_override):
8712         Fix misspelled diagnostic.
8713
8714 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8715
8716         PR c/79940
8717         * gimplify.c (gimplify_omp_for): Replace index var in outer
8718         taskloop statement with an artificial variable and add
8719         OMP_CLAUSE_PRIVATE clause for it.
8720
8721 2017-03-08  Richard Biener  <rguenther@suse.de>
8722
8723         PR tree-optimization/79955
8724         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
8725         for accesses that are completely outside of the variable.
8726
8727 2017-03-08  Andrew Haley  <aph@redhat.com>
8728
8729         PR tree-optimization/79943
8730         * tree-ssa-loop-split.c (compute_new_first_bound): When
8731         calculating the new upper bound, (END-BEG) should be added, not
8732         subtracted.
8733
8734 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8735
8736         * config/avr/avr.md (setmemhi): Make sure match_dup
8737         operand number comes before match_scratch.
8738
8739 2017-03-08  Richard Biener  <rguenther@suse.de>
8740
8741         PR tree-optimization/79920
8742         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
8743         with ncopies == 1 to ...
8744         (vect_transform_slp_perm_load): ... here.  Properly compute
8745         all element loads by iterating VF times over the group.  Do
8746         not handle ncopies (computed in a broken way) in
8747         vect_create_mask_and_perm.
8748
8749 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
8750
8751         PR sanitizer/79904
8752         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
8753         is a uniform vector, use uniform_vector_p return value instead of
8754         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
8755
8756 2017-03-07  Marek Polacek  <polacek@redhat.com>
8757
8758         PR middle-end/79809
8759         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
8760         (alloca_call_type): Likewise.
8761
8762 2017-03-07  Martin Liska  <mliska@suse.cz>
8763
8764         * gcov.c (process_args): Put comment to correct location.
8765
8766 2017-03-07  Martin Liska  <mliska@suse.cz>
8767
8768         PR middle-end/68270
8769         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
8770         Use array_at_struct_end_p instead of DECL_CHAIN (field).
8771         (chkp_narrow_bounds_for_field): Likewise.
8772         (chkp_parse_array_and_component_ref): Pass one more argument to
8773         call.
8774
8775 2017-03-07  Richard Biener  <rguenther@suse.de>
8776
8777         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
8778         preheaders.
8779
8780 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
8781
8782         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
8783         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
8784
8785 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8786
8787         PR c/79855
8788         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
8789         to end of description.
8790         (PARAM_MAX_STORES_TO_MERGE): Likewise.
8791
8792 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
8793
8794         PR rtl-optimization/79901
8795         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
8796         ...
8797         (*avx512f_<code><mode>3<mask_name>): ... this.
8798         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
8799         iterator instead of VI8_AVX2_AVX512BW.
8800
8801         PR rtl-optimization/79901
8802         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
8803         min/max expander, expand it using expand_vec_cond_expr.
8804
8805         PR sanitizer/79897
8806         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
8807         temporary.
8808
8809 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8810
8811         PR c++/79821
8812         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
8813         to void * for PCH reasons.
8814         * dwarf2out.c (output_loc_operands, output_die): Cast
8815         v.val_vec.array to unsigned char *.
8816
8817 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
8818
8819         PR target/77850
8820         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
8821         vector types.
8822
8823 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
8824
8825         PR rtl-optimization/79571
8826         * lra-constraints.c (process_alt_operands): Calculate static
8827         reject and subtract it from overall when only addresses will be
8828         reloaded.
8829
8830 2017-03-06  Julia Koval  <julia.koval@intel.com>
8831
8832         PR target/79793
8833         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
8834         incoming stack boundary to 128 for 64-bit targets.
8835
8836 2017-03-06  Richard Biener  <rguenther@suse.de>
8837
8838         PR tree-optimization/79894
8839         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
8840         to NULL after folding it.
8841
8842 2017-03-06  Richard Biener  <rguenther@suse.de>
8843
8844         PR tree-optimization/79824
8845         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
8846         check disabling peeling for gaps.
8847
8848 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
8849
8850         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
8851         attributes): Document gettimeofday.
8852
8853 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8854
8855         * config/s390/s390.c (s390_option_override_internal): Set
8856         PARAM_MIN_VECT_LOOP_BOUND
8857
8858 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8859
8860         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
8861         * config/s390/s390.md: Likewise.
8862
8863 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
8864
8865         PR target/79812
8866         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
8867         (<avx2_avx512>_perm<mode>): Rename to ...
8868         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
8869         of VI8F_256_512.
8870         (<avx512>_perm<mode>_mask): Rename to ...
8871         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
8872         of VI8F_256_512.
8873         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
8874         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
8875         instead of VI8F_256_512.
8876         (avx512f_perm<mode>): New define_expand.
8877         (avx512f_perm<mode>_mask): Likewise.
8878         (avx512f_perm<mode>_1<mask_name>): New define_insn.
8879         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
8880
8881 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8882
8883         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
8884         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
8885         if_then_else.
8886         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
8887
8888 2017-03-06  Martin Liska  <mliska@suse.cz>
8889
8890         PR sanitize/79783
8891         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
8892         when having a SSA NAME w/o VAR_DECL assigned to it.
8893
8894 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8895
8896         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
8897         msa_dpsub_<su>_d): Fix MODE for vec_select.
8898
8899 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
8900
8901         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
8902         argument.
8903         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
8904
8905 2017-03-06  Richard Biener  <rguenther@suse.de>
8906
8907         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
8908         * plugin.c (register_plugin_info): Likewise.
8909         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
8910
8911 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
8912
8913         * config/i386/sse.md (sse_storehps, sse_storelps,
8914         avx_<castmode><avxsizesuffix>_<castmode>,
8915         avx512f_<castmode><avxsizesuffix>_<castmode>,
8916         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
8917         in condition that at least one operand is not a MEM.
8918
8919 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8920
8921         PR middle-end/79805
8922         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
8923         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
8924         ECF_NOTHROW.
8925         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
8926         gimple_call_nothrow_p flag based on whether original builtin can throw.
8927         If it can, emit following stmts on the fallthrough edge.
8928         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
8929         don't create new bb if inserting just debug stmts on the edge, try to
8930         insert them on the fallthru bb or just reset debug stmts.
8931
8932 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
8933
8934         PR target/43763
8935         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
8936         restore recog_data (including the operand rtxes inside it) around
8937         the call to get_insn_template.
8938
8939 2017-03-03  Martin Sebor  <msebor@redhat.com>
8940
8941         PR tree-optimization/79699
8942         * context.c (context::~context): Free MPFR caches to avoid
8943         a memory leak on program exit.
8944
8945 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8946
8947         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
8948         Use wide_int::ulow () instead of .elt (0).
8949
8950 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8951
8952         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
8953         (*pushxf): Limit oF constraint to 32bit targets and add oC
8954         constraint for 64bit targets.
8955         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
8956         (*pushdf): Change rmF constraint to rmC.
8957
8958 2017-03-03  Martin Liska  <mliska@suse.cz>
8959
8960         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
8961         Remove unused variable.
8962
8963 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
8964
8965         PR target/79807
8966         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
8967         is a memory operand, increase num_memory.
8968         (ix86_expand_args_builtin): Likewise.
8969
8970 2017-03-03  Jan Hubicka  <jh@suse.cz>
8971
8972         PR lto/79760
8973         * ipa-devirt.c (maybe_record_node): Properly handle
8974         __cxa_pure_virtual visibility.
8975
8976 2017-03-03  Martin Liska  <mliska@suse.cz>
8977
8978         PR tree-optimization/79803
8979         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
8980         assert.
8981         (pass_loop_prefetch::execute): Disabled optimization if an
8982         assumption about L1 cache size is not met.
8983
8984 2017-03-03  Martin Liska  <mliska@suse.cz>
8985
8986         PR rtl-optimization/79574
8987         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
8988         (hash_scan_set): Likewise.
8989         (dump_hash_table): Likewise.
8990         (hoist_code): Likewise.
8991
8992 2017-03-03  Richard Biener  <rguenther@suse.de>
8993
8994         * fixed-value.c (fixed_from_string): Restore use of elt (1)
8995         in place of uhigh ().
8996         (fixed_convert_from_real): Likewise.
8997
8998 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
8999
9000         PR target/79514
9001         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
9002
9003 2017-03-03  Richard Biener  <rguenther@suse.de>
9004
9005         PR middle-end/79818
9006         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
9007         TYPE_OVERFLOW_UNDEFINED check.
9008
9009 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9010
9011         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
9012         numbers.
9013         (vector_ae_<mode>_p): Likewise.
9014         (vector_nez_<mode>_p): Likewise.
9015         (vector_ne_v2di_p): Likewise.
9016         (vector_ae_v2di_p): Likewise.
9017         (vector_ne_<mode>_p): Likewise.
9018         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
9019         numbers.
9020         (vsx_tsqrt<mode>2_fe): Likewise.
9021
9022 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
9023
9024         PR target/79514
9025         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
9026
9027 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
9028
9029         PR rtl-optimization/79780
9030         * cprop.c (one_cprop_pass): When second and further conditional trap
9031         in a single basic block is turned into an unconditional trap, turn it
9032         into a deleted note to avoid RTL verification failures.
9033
9034 2017-03-02  Richard Biener  <rguenther@suse.de>
9035
9036         * fold-const.c (const_binop): Use ulow () instead of elt (0).
9037
9038 2017-03-02  Richard Biener  <rguenther@suse.de>
9039
9040         PR tree-optimization/79345
9041         PR c++/42000
9042         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
9043         param and abort the walk, returning -1 if it is hit.
9044         (walk_aliased_vdefs): Take a limit param and pass it on.
9045         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
9046         defaulting to 0 and return a signed int.
9047         * tree-ssa-uninit.c (struct check_defs_data): New struct.
9048         (check_defs): New helper.
9049         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
9050         about uninitialized memory.
9051         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
9052         bogus uninitialized warning.
9053         (fixed_convert_from_real): Likewise.
9054
9055 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
9056
9057         PR tree-optimization/66768
9058         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
9059         iv_use if base object can't be determined.
9060
9061 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
9062
9063         PR tree-optimization/79345
9064         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
9065         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
9066         (get_pattern_stats): Initialize it.
9067         * genemit.c (gen_expand): Verify match_scratch numbers come after
9068         match_operand/match_dup numbers.
9069         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
9070         match_scratch numbers.
9071         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
9072         Likewise.
9073         * config/s390/s390.md (trunctdsd2): Likewise.
9074
9075 2017-03-02  Richard Biener  <rguenther@suse.de>
9076
9077         * wide-int.h (wide_int_storage::operator=): Implement in terms
9078         of wi::copy.
9079
9080 2017-03-02  Richard Biener  <rguenther@suse.de>
9081
9082         PR tree-optimization/79777
9083         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
9084         the to insert expression to sth existing.
9085
9086 2017-03-01  Martin Sebor  <msebor@redhat.com>
9087
9088         PR middle-end/79692
9089         * gimple-ssa-sprintf.c
9090         (directive::known_width_and_precision): New function.
9091         (format_integer): Use it.
9092         (get_mpfr_format_length): Consider the full range of precision
9093         when computing %g output with the # flag.  Set the likely byte
9094         count to 3 rather than 1 when precision is indeterminate.
9095         (format_floating): Correct the lower bound of precision.
9096
9097 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9098
9099         * doc/invoke.texi: Document default code model for 64-bit Linux.
9100
9101 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9102
9103         PR target/79752
9104         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
9105         udiv rather than div since input pattern is unsigned.
9106
9107 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
9108
9109         * config/i386/i386.c (print_reg): Warn for values of
9110         unsupported size in integer register.
9111
9112 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
9113
9114         PR target/79439
9115         * config/rs6000/predicates.md (current_file_function_operand): Do
9116         not allow self calls to be local if the function is replaceable.
9117
9118 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9119
9120         PR target/79395
9121         * config/rs6000/altivec.h (vec_ctz and others): Change the
9122         preprocessor macro that controls conditional compilation from
9123         _ARCH_PWR9 to __POWER9_VECTOR__.
9124         (vec_all_ne): Change parameterization of __altivec_scalar_pred
9125         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
9126         control (instead of _ARCH_PWR9 control) so that template
9127         definition uses power9-specific function.
9128         (vec_any_eq): Likewise.
9129         (vec_all_ne): Change macro definition to use a power9-specific
9130         expansion under #ifdef __POWER9_VECTOR__ control (instead of
9131         _ARCH_PWR9 control).
9132         (vec_any_eq) Likewise.
9133         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
9134         expansion for CMPNEF to remove support for xvcmpnesp instruction.
9135         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
9136         support for xvcmpnedp instruction.
9137         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
9138         macro expansion so that Power9 implementation of vec_all_ne does
9139         not use the AltiVec predicate framework.
9140         (VCMPNEH_P): Likewise.
9141         (VCMPNEW_P): Likewise.
9142         (VCMPNED_P): Likewise.
9143         (VCMPNEFP_P): Likewise.
9144         (VCMPNEDP_P): Likewise.
9145         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
9146         implementation of vec_any_eq to not use AltiVec predicate
9147         framework.
9148         (VCMPAEH_P): Likewise.
9149         (VCMPAEW_P): Likewise.
9150         (VCMPAED_P): Likewise.
9151         (VCMPAEFP_P): Likewise.
9152         (VCMPAEDP_P): Likewise.
9153         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
9154         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
9155         not use the AltiVec predicate framework.
9156         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
9157         of vec_any_eq to not use AltiVec predicate framework.
9158         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
9159         support for predefined __POWER9_VECTOR__ macro to indicate that
9160         Power9 instruction selection is enabled.
9161         (altivec_overloaded_builtins): Remove extraneous
9162         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
9163         function argument types RS6000_BTI_bool_V16QI and
9164         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
9165         entry for overloaded function argument types RS6000_BTI_bool_V4SI
9166         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
9167         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
9168         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
9169         Power9 for implementations of vec_cmpne.  Change the signature for
9170         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
9171         (representing vec_all_ne) to remove the previously described first
9172         argument of type RS6000_BTI_INTSI, as this was an artifact of
9173         reliance on the AltiVec predicate framework, which is no longer
9174         used in the implementation of these functions.  Add
9175         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
9176         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
9177         since, unlike the AltiVec predicate framework implementation, we
9178         do not share function descriptors between vec_alle and vec_anyeq.
9179         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
9180         set of modes that receive special treatment even when
9181         TARGET_P9_VECTOR is true.  The special treatment emits code that
9182         does not depend on Power9 instructions.
9183         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
9184         define_expand to not rely on AltiVec predicate framework.
9185         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
9186         function.
9187         (vector_ne_v2di_p): Change this define_expand to not rely on
9188         AltiVec predicate framework.
9189         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
9190         function.
9191         (vector_ne_<mode>_p): Change this define_expand to not rely on
9192         AltiVec predicate framework.
9193         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
9194         function.
9195         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
9196         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
9197         define_insn pattern.
9198         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
9199         define_insn pattern because the xvcmpne<VSs>. instruction is not
9200         supported.
9201         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
9202         instruction is not supported.
9203
9204 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
9205
9206         * config/nvptx/nvptx.c: Include intl.h.
9207
9208 2017-03-01  Martin Jambor  <mjambor@suse.cz>
9209
9210         PR lto/78140
9211         * ipa-prop.h (ipa_bits): Removed field known.
9212         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
9213         to pointers.  Adjusted their comments to warn about their sharing.
9214         (ipcp_transformation_summary): Change bits to a vector of pointers.
9215         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
9216         (ipa_get_ipa_bits_for_value): Declare.
9217         * tree-vrp.h (value_range): Mark as GTY((for_user)).
9218         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
9219         (ipa_bits_hash_table): Likewise.
9220         (ipa_vr_ggc_hash_traits): Likewise.
9221         (ipa_vr_hash_table): Likewise.
9222         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
9223         being pointers and vr_known being removed.
9224         (ipa_set_jf_unknown): Likewise.
9225         (ipa_get_ipa_bits_for_value): New function.
9226         (ipa_set_jfunc_bits): Likewise.
9227         (ipa_get_value_range): New overloaded functions.
9228         (ipa_set_jfunc_vr): Likewise.
9229         (ipa_compute_jump_functions_for_edge): Use the above functions to
9230         construct bits and vr parts of jump functions.
9231         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
9232         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
9233         exist.
9234         (ipcp_grow_transformations_if_necessary): Also allocate
9235         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
9236         exist.
9237         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
9238         them.  Fix too long lines.
9239         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
9240         vr_known being removed.
9241         (ipa_read_jump_function): Use new setter functions to construct bits
9242         and vr parts of jump functions or set them to NULL.
9243         (write_ipcp_transformation_info): Adjust for bits being pointers.
9244         (read_ipcp_transformation_info): Likewise.
9245         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
9246         space.
9247         Include gt-ipa-prop.h.
9248         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
9249         being pointers.
9250         (ipcp_store_bits_results): Likewise.
9251         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
9252         Do not write to existing jump functions but use a temporary instead.
9253
9254 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
9255
9256         PR c++/79681
9257         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
9258         attempt to use its first operand as BIT_FIELD_REF base.
9259
9260 2017-03-01  Richard Biener  <rguenther@suse.de>
9261
9262         PR middle-end/79721
9263         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
9264         interpolating formula in wrapping arithmetic.
9265         (chrec_apply): Convert chrec_evaluate return value to wanted type.
9266
9267 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
9268
9269         PR tree-optimization/79734
9270         * tree-vect-generic.c (expand_vector_condition): Optimize
9271         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
9272         Handle VEC_COND_EXPR where comparison has different inner width from
9273         type's inner width.
9274
9275 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
9276
9277         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
9278         markup, and similar issues.  Remove @opindex entries for things
9279         that aren't options.  Add missing -mmpy-option entries.
9280
9281 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
9282
9283         PR tree-optimization/79737
9284         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
9285         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
9286         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
9287         instead of byte_size.  Formatting fix.
9288         (shift_bytes_in_array_right): Formatting fix.
9289
9290 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
9291
9292         PR target/79749
9293         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
9294         condition on optimize for the leaf function test.
9295
9296 2017-02-28  Martin Liska  <mliska@suse.cz>
9297
9298         PR lto/79625
9299         * read-rtl-function.c (function_reader::handle_unknown_directive):
9300         Bail out when one uses -flto.
9301
9302 2017-02-28  Martin Liska  <mliska@suse.cz>
9303
9304         * common.opt: Replace space with tabular for options of <number>
9305         type.
9306         * config/i386/i386.opt: Show <number> value for
9307         -mlarge-data-threshold.
9308         * opts.c (print_filtered_help): Do not display number in hexadecimal
9309         format.
9310
9311 2017-02-28  Martin Liska  <mliska@suse.cz>
9312
9313         * common.opt: Fix --help=option -Q for options which are of
9314         an enum type.
9315
9316 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
9317
9318         * config/i386/i386.c (print_reg): Error out for values
9319         of 8-bit size in invalid integer register.
9320
9321 2017-02-28  Martin Sebor  <msebor@redhat.com>
9322
9323         PR tree-optimization/79691
9324         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
9325
9326 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
9327
9328         PR target/79729
9329         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
9330         gcc_unreachable with output_operand_lossage.
9331
9332 2017-02-28  Richard Biener  <rguenther@suse.de>
9333
9334         PR tree-optimization/79740
9335         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
9336         inserts.
9337         (visit_nary_op): Insert the nary into the hashtable if we
9338         pattern-matched sth.
9339         * tree-ssa-pre.c (eliminate_insert): Robustify.
9340
9341 2017-02-28  Richard Biener  <rguenther@suse.de>
9342
9343         PR middle-end/79731
9344         * fold-const.c (decode_field_reference): Reject out-of-bound
9345         accesses.
9346
9347 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
9348
9349         * config/i386/i386.c: Include intl.h.
9350         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
9351         instead of just cond ? "..." : "...".
9352         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
9353         * coverage.c (read_counts_file): Likewise.
9354         * omp-offload.c: Include intl.h.
9355         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
9356         of just cond ? "..." : "...".
9357         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
9358         of just cond ? "..." : "...".
9359
9360 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
9361
9362         PR target/79742
9363         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
9364         entry, if present.
9365         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
9366         'tune for' CPU name.
9367         * config/arm/arm-cpu-data.h: Regenerated.
9368
9369 2017-02-28  Richard Biener  <rguenther@suse.de>
9370
9371         PR tree-optimization/79732
9372         * tree-inline.c (expand_call_inline): Do not shadow var.
9373
9374 2017-02-28  Richard Biener  <rguenther@suse.de>
9375
9376         PR tree-optimization/79723
9377         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
9378         address-space properly.
9379
9380 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
9381
9382         * doc/optinfo.texi (Optimization groups): Fix option used for
9383         OPTGROUP_ALL.
9384         * doc/invoke.texi (-fopt-info): Document "omp".
9385         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
9386         (OPTGROUP_ALL): Add OPTGROUP_OMP.
9387         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
9388         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
9389         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
9390
9391         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
9392         all users.
9393         * dumpfile.c (optgroup_options): Instead of "openmp", associate
9394         OPTGROUP_OMP with "omp".
9395
9396 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
9397
9398         PR target/79544
9399         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
9400         for arithmetic shift of unsigned V2DI.
9401
9402 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
9403
9404         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
9405         arc/linux.h headers.
9406         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
9407         (LINK_SPEC): Likewise.
9408         (ARC_TLS_EXTRA_START_SPEC): Likewise.
9409         (EXTRA_SPECS): Likewise.
9410         (STARTFILE_SPEC): Likewise.
9411         (ENDFILE_SPEC): Likewise.
9412         (LIB_SPEC): Likewise.
9413         (TARGET_SDATA_DEFAULT): Likewise.
9414         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
9415         (MULTILIB_DEFAULTS): Likewise.
9416         (DWARF2_UNWIND_INFO): Likewise.
9417         * config/arc/big.h: New file.
9418         * config/arc/elf.h: Likewise.
9419         * config/arc/linux.h: Likewise.
9420         * config/arc/t-uClibc: Remove.
9421
9422 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
9423
9424         PR tree-optimization/77536
9425         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
9426         (tree_transform_and_unroll_loop): Use above function to compute the
9427         estimated niter of unrolled loop and use it when scaling profile.
9428         Also use count info rather than frequency if it's non-zero.
9429         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
9430         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
9431         (vect_transform_loop): Call above function.
9432
9433 2017-02-27  Richard Biener  <rguenther@suse.de>
9434
9435         PR tree-optimization/45397
9436         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
9437         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
9438         (visit_nary_op): Add pattern matching for CSEing sign-changed
9439         or truncated operations with wider ones.
9440
9441 2017-02-27  Richard Biener  <rguenther@suse.de>
9442
9443         PR tree-optimization/79690
9444         * tree-vect-stmts.c (vectorizable_store): Use vector type
9445         built from the DR with address-space.
9446
9447 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
9448
9449         * doc/invoke.texi (Optimize Options): Refine the description
9450         of asan-use-after-return.
9451
9452 2017-02-25  Alan Modra  <amodra@gmail.com>
9453
9454         PR rtl-optimization/79584
9455         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
9456         base, not ad->base_term, the reg within base.  Remove assertion
9457         that ad->base == ad->base_term.  Replace gen_int_mode using
9458         bogus mode with const0_rtx.
9459
9460 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
9461
9462         PR middle-end/79396
9463         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
9464         FMA_EXPR like tcc_binary or tcc_unary.
9465
9466         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
9467
9468         PR debug/77589
9469         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
9470         bitfield.
9471         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
9472         (output_loc_operands): Handle DW_OP_call_ref and
9473         DW_OP_GNU_variable_value.
9474         (struct variable_value_struct): New type.
9475         (struct variable_value_hasher): Likewise.
9476         (variable_value_hash): New variable.
9477         (string_types): Remove.
9478         (copy_loc_descr): New function.
9479         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
9480         (prepend_loc_descr_to_each): New function.
9481         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
9482         instead of add_loc_descr_to_each if the first argument is single
9483         location list and the second has multiple.
9484         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
9485         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
9486         when looking for variable value which doesn't have other location info.
9487         (loc_list_from_tree): Formatting fix.
9488         (gen_array_type_die): Simplify DW_AT_string_length handling.
9489         (adjust_string_types): Remove.
9490         (gen_subprogram_die): Don't call adjust_string_types nor test/set
9491         string_types.  Call resolve_variable_values.
9492         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
9493         (resolve_addr_in_expr): Likewise.  Add A argument.
9494         (copy_deref_exprloc): Remove deref argument.  Adjust for the
9495         original expression being DW_OP_GNU_variable_value with optionally
9496         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
9497         optionally after it.
9498         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
9499         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
9500         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
9501         (variable_value_hasher::hash, variable_value_hasher::equal): New
9502         methods.
9503         (resolve_variable_value_in_expr, resolve_variable_value,
9504         resolve_variable_values, note_variable_value_in_expr,
9505         note_variable_value): New functions.
9506         (dwarf2out_early_finish): Call note_variable_value on all toplevel
9507         DIEs.
9508
9509 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
9510
9511         PR c/79677
9512         * opts.h (handle_generated_option): Add GENERATED_P argument.
9513         * opts-common.c (handle_option): Adjust function comment.
9514         (handle_generated_option): Add GENERATED_P argument, pass it to
9515         handle_option.
9516         (control_warning_option): Pass false to handle_generated_option
9517         GENERATED_P.
9518         * opts.c (maybe_default_option): Pass true to handle_generated_option
9519         GENERATED_P.
9520         * optc-gen.awk: Likewise.
9521
9522 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9523
9524         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
9525         a REG, look at the REG it is a SUBREG of.
9526         (splitter for cmpeqsi_t): Ditto.
9527
9528 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9529
9530         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
9531         the special USEs with the pattern of the insn, not the insn itself.
9532
9533 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
9534
9535         PR target/79473
9536         * doc/invoke.texi: Document -mload-store-pairs.
9537
9538 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9539             Sandra Loosemore  <sandra@codesourcery.com>
9540
9541         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
9542         argument isn't a CONST_INT.
9543         (nios2_alternate_compare_const): Assert op is a CONST_INT.
9544         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
9545         (nios2_validate_compare): Bypass alternate compare logic if *op2
9546         is not a CONST_INT.
9547         (ldstwm_operation_p): Return false if first_base is not a REG or
9548         if first_offset is not a CONST_INT.
9549
9550 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9551
9552         * config/cris/cris.md: Use correct operand in a define_peephole2.
9553
9554 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9555
9556         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
9557
9558 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
9559
9560         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
9561         this_insn if it is an INSN or JUMP_INSN.
9562         (force_offsettable): Look at base, not at addr.
9563         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
9564         on things that aren't necessarily CONST_INTs.
9565
9566 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
9567
9568         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
9569         -mfpmath=sse is the default also for x86-32 targets with SSE2
9570         instruction set when @option{-ffast-math} is enabled
9571
9572 2017-02-24  Jeff Law  <law@redhat.com>
9573
9574         PR rtl-optimizatoin/79286
9575         * ira.c (update_equiv_regs): Drop may_trap_p exception to
9576         dominance test.
9577
9578 2017-02-24  Richard Biener  <rguenther@suse.de>
9579
9580         PR tree-optimization/79389
9581         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
9582         debug insns.
9583
9584 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
9585
9586         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
9587         function comment to reflect reality.
9588         (loop_exits_before_overflow): Fix typo in function description.
9589
9590 2017-02-24  Richard Biener  <rguenther@suse.de>
9591
9592         PR tree-optimization/79389
9593         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
9594         properly that a threading opportunity exists.  Detect conditional
9595         copy/constant propagation opportunities.
9596
9597 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
9598
9599         * config/visium/visium.md (type): Add trap.
9600         (b): New mode attribute.
9601         (*btst): Rename into...
9602         (*btst<mode>): ...this and adjust.
9603         (*cbranchsi4_btst_insn): Rename into...
9604         (*cbranch<mode>4_btst_insn): ...this and adjust.
9605         (trap): New define_insn.
9606
9607 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9608
9609         PR tree-optimization/79389
9610         * ifcvt.c (struct noce_if_info): Add rev_cond field.
9611         (noce_reversed_cond_code): New function.
9612         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
9613         reversed_comparison_code.  Formatting fix.
9614         (noce_try_store_flag): Test rev_cond != NULL in addition to
9615         reversed_comparison_code.
9616         (noce_try_store_flag_constants): Likewise.
9617         (noce_try_store_flag_mask): Likewise.
9618         (noce_try_addcc): Use rev_cond if non-NULL instead of
9619         reversed_comparison_code.
9620         (noce_try_cmove_arith): Likewise.  Formatting fixes.
9621         (noce_try_minmax, noce_try_abs): Clear rev_cond.
9622         (noce_find_if_block): Initialize rev_cond.
9623         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
9624         instead of false as last argument never attempt to reverse it
9625         afterwards.
9626
9627 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
9628
9629         PR tree-optimization/79663
9630         * tree-predcom.c (combine_chains): Process refs in reverse order
9631         only for ZERO length chains, and add explaining comment.
9632
9633 2017-02-23  Jeff Law  <law@redhat.com>
9634
9635         PR tree-optimization/79578
9636         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
9637         in call to operand_equal_p.
9638
9639 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
9640
9641         PR target/71017
9642         * config/i386/cpuid.h: Fix another undefined behavior.
9643
9644 2017-02-23  Richard Biener  <rguenther@suse.de>
9645
9646         PR tree-optimization/79683
9647         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
9648         vector types for data-refs.
9649
9650 2017-02-23  Martin Liska  <mliska@suse.cz>
9651
9652         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
9653
9654 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
9655
9656         PR middle-end/79665
9657         * internal-fn.c (get_range_pos_neg): Moved to ...
9658         * tree.c (get_range_pos_neg): ... here.  No longer static.
9659         * tree.h (get_range_pos_neg): New prototype.
9660         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
9661         are known to be in between 0 and signed maximum inclusive, try to
9662         expand both unsigned and signed divmod and use the cheaper one from
9663         those.
9664
9665 2017-02-22  Jeff Law  <law@redhat.com>
9666
9667         PR tree-optimization/79578
9668         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
9669         to compare base operands.
9670
9671 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
9672
9673         PR target/79211
9674         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
9675         gpc_reg_operand instead of fpr_reg_operand.
9676
9677 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
9678
9679         * config/mips/mips.c (mips_return_in_memory): Force FP
9680         vector types to be returned in memory for o32 ABI.
9681
9682 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9683
9684         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
9685         instead of DW_TAG_member for static data member declarations and don't
9686         set no_linkage_name for static inline data members.
9687         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
9688         to DW_TAG_member.
9689
9690 2017-02-22  Martin Liska  <mliska@suse.cz>
9691
9692         * doc/invoke.texi: Replace inequality signs with square brackets
9693         for -Wnormalized.
9694
9695 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9696
9697         PR tree-optimization/68644
9698         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
9699
9700 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
9701
9702         PR target/78660
9703         * lra-constraints.c (simplify_operand_subreg): Handle
9704         WORD_REGISTER_OPERATIONS targets.
9705
9706 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
9707
9708         PR target/70465
9709         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
9710         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
9711         elimination by swapping fld*.
9712
9713 2017-02-22  Richard Biener  <rguenther@suse.de>
9714
9715         PR tree-optimization/79673
9716         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
9717         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
9718         irrelevant address-space qualifiers and avoiding a
9719         ADDR_SPACE_CONVERT_EXPR from fold_convert.
9720
9721 2017-02-22  Richard Biener  <rguenther@suse.de>
9722
9723         PR tree-optimization/79666
9724         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
9725         to not symbolically negate if that may introduce undefined
9726         overflow.
9727
9728 2017-02-22  Martin Liska  <mliska@suse.cz>
9729
9730         PR lto/79587
9731         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
9732         * data-streamer-out.c (streamer_write_gcov_count_stream):
9733         Likewise.
9734         * value-prof.c (stream_out_histogram_value): Make assert more
9735         precise based on type of counter.
9736
9737 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
9738
9739         PR target/79593
9740         * config/i386/i386.md (standard_x87sse_constant_load splitter):
9741         Use nonimmediate_operand instead of memory_operand for operand 1.
9742         (float-extend standard_x87sse_constant_load splitter): Ditto.
9743
9744 2017-02-21  Jeff Law  <law@redhat.com>
9745
9746         PR tree-optimization/79621
9747         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
9748         blocks with edges to themselves.
9749
9750 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9751
9752         PR target/79633
9753         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
9754         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
9755         Use gimple_call_builtin_p.
9756
9757         PR target/79570
9758         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
9759         on temporarily removed DEBUG_INSNs.
9760
9761         PR tree-optimization/79649
9762         * tree-loop-distribution.c (classify_partition): Give up on
9763         non-generic address space loads/stores.
9764
9765 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
9766
9767         * doc/loop.texi (Loop manipulation): Remove nonexistent
9768         tree_ssa_loop_version from the documentation.
9769         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
9770
9771 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9772
9773         PR target/79494
9774         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
9775         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
9776         * config/rs6000/rs6000.c: Include except.h.
9777         (rs6000_expand_split_stack_prologue): Call
9778         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
9779
9780 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9781
9782         PR lto/79579
9783         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
9784         have been analyzed.
9785
9786 2017-02-21  Martin Jambor  <mjambor@suse.cz>
9787
9788         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
9789         for backward compatibility only.
9790         * doc/invoke.texi (Option Summary): Remove all references to
9791         -fipa-cp-alignment.
9792
9793 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
9794
9795         PR target/78660
9796         Revert:
9797         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9798
9799         * lra-constraints.c (curr_insn_transform): Handle
9800         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9801
9802 2017-02-21  Martin Liska  <mliska@suse.cz>
9803
9804         * config/i386/i386.opt: Replace -masm-dialect with -masm.
9805
9806 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
9807
9808         PR translation/79638
9809         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
9810
9811 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
9812
9813         PR ada/67205
9814         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
9815         (arm_function_ok_for_sibcall): Return false for an indirect call by
9816         descriptor if all the argument registers are used.
9817         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
9818         alignment of the function.
9819
9820 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
9821
9822         PR tree-optimization/61441
9823         * simplify-rtx.c (simplify_const_unary_operation): For
9824         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
9825         the sNaN unmodified.
9826
9827 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9828
9829         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
9830         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
9831         instead of SYSTEM_HEADER_DIR.
9832
9833 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
9834             Martin Liška  <mliska@suse.cz>
9835
9836         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
9837         Fix typos and grammar, use active voice, and clarify.
9838
9839 2017-02-20  Marek Polacek  <polacek@redhat.com>
9840
9841         PR middle-end/79537
9842         * gimplify.c (gimplify_expr): Handle unused *&&L;.
9843
9844         PR sanitizer/79558
9845         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
9846
9847 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
9848
9849         PR target/79568
9850         * config/i386/i386.c (ix86_expand_builtin): Handle
9851         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
9852         ix86_builtins_isa[fcode].isa as a requirement of those
9853         flags and any other flag in the bitmask.
9854         (ix86_init_mmx_sse_builtins): Use 0 instead of
9855         ~OPTION_MASK_ISA_64BIT as mask.
9856         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
9857         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
9858         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
9859         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
9860
9861 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9862
9863         PR target/78012
9864         * lra-constraints.c (split_reg): Check requested split mode
9865         is supported by the register.
9866
9867 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9868
9869         * lra-constraints.c (simplify_operand_subreg): Remove early
9870         return false.
9871
9872 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9873
9874         PR target/78660
9875         * lra-constraints.c (curr_insn_transform): Tighten condition
9876         for converting SUBREG reloads from OP_OUT to OP_INOUT.
9877
9878 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
9879
9880         PR target/78660
9881         * lra-constraints.c (curr_insn_transform): Handle
9882         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
9883
9884 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
9885
9886         Revert:
9887         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
9888
9889         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
9890
9891 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
9892
9893         PR c++/69523
9894         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
9895         description.
9896
9897 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9898
9899         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
9900         for FMA_EXPR.
9901
9902 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
9903
9904         * final.c (last_columnnum, override_columnnum): New variables.
9905         (final_start_function): Set last_columnnum, pass it to begin_prologue
9906         hook and pass 0 to dwarf2out_begin_prologue.
9907         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
9908         to source_line debug hook.
9909         (notice_source_line): Compute last_columnnum and for debug_column_info
9910         return true on column changes.
9911         * debug.h (struct gcc_debug_hooks): Add column argument to
9912         source_line and begin_prologue hooks.
9913         (debug_nothing_int_charstar_int_bool): Remove prototype.
9914         (debug_nothing_int_int_charstar,
9915         debug_nothing_int_int_charstar_int_bool): New prototypes.
9916         (dwarf2out_begin_prologue): Add column argument.
9917         * debug.c (do_nothing_debug_hooks): Adjust source_line and
9918         begin_prologue hooks.
9919         (debug_nothing_int_charstar_int_bool): Remove.
9920         (debug_nothing_int_int_charstar,
9921         debug_nothing_int_int_charstar_int_bool): New functions.
9922         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
9923         through to dwarf2out_source_line.
9924         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
9925         (dwarf2out_source_line): Add column argument, emit it if requested.
9926         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
9927         arguments.
9928         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9929         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
9930         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
9931         through to dwarf2out_begin_prologue.
9932         (vmsdbgout_source_line): Add column argument, pass it through to
9933         dwarf2out_source_line.
9934         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
9935         dbxout_source_line caller.
9936         (dbxout_source_line): Add column argument.
9937
9938         * common.opt (gno-column-info, gcolumn-info): New options.
9939         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
9940         (check_die): Also test for multiple DW_AT_decl_column attributes.
9941         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
9942         DW_AT_decl_column if requested.
9943         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
9944         if requested.
9945         (gen_variable_die): Likewise.
9946         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
9947         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
9948
9949         PR target/79569
9950         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
9951         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
9952         (ix86_handle_option): Handle OPT_m3dnowa.
9953         * doc/invoke.texi (-m3dnowa): Document.
9954         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
9955         -m3dnowa instead of -m3dnow -march=athlon.
9956
9957         PR target/79559
9958         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
9959         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
9960
9961 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9962
9963         PR target/79261
9964         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
9965         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
9966         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
9967         generator for vsx_xxpermdi_<mode>_be.
9968         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
9969         force big-endian semantics.
9970         (vsx_xxpermdi_<mode>_be): New define_expand with same
9971         implementation as previous version of vsx_xxpermdi_<mode>.
9972
9973 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
9974
9975         PR tree-optimization/79327
9976         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
9977         variable, its initialization and use.
9978
9979 2017-02-17  Julia Koval  <julia.koval@intel.com>
9980
9981         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
9982         (OPTION_MASK_ISA_PKU_UNSET): New.
9983         (ix86_handle_option): Handle -mrdpid.
9984         * config/i386/cpuid.h (bit_RDPID): New.
9985         * config/i386/driver-i386.c (host_detect_local_cpu):
9986         Detect RDPID feature.
9987         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
9988         * config/i386/i386-c.c (ix86_target_macros_internal):
9989         Handle RDPID flag.
9990         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
9991         (ix86_valid_target_attribute_inner_p): Add "rdpid".
9992         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
9993         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
9994         * config/i386/i386.md (define_insn "rdpid"): New.
9995         * config/i386/i386.opt Add -mrdpid.
9996         * config/i386/immintrin.h (_rdpid_u32): New.
9997
9998 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
9999
10000         PR rtl-optimization/79541
10001         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
10002         instead of transforming it into USE.
10003
10004 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
10005
10006         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
10007         If HONOR_SNANS (SFmode) force the input to a register.
10008         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
10009         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
10010         an frsp or similar insn.
10011
10012 2017-02-17  Martin Liska  <mliska@suse.cz>
10013
10014         PR rtl-optimization/79577
10015         * params.def (selsched-max-sched-times): Increase minimum to 1.
10016
10017 2017-02-17  Martin Liska  <mliska@suse.cz>
10018
10019         PR rtl-optimization/79574
10020         * gcse.c (want_to_gcse_p): Prevent integer overflow.
10021
10022 2017-02-17  Martin Liska  <mliska@suse.cz>
10023
10024         PR tree-optimization/79529
10025         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
10026         ssa_defined_default_def_p to handle cases which are implicitly
10027         defined.
10028         * tree-ssa.c (ssa_defined_default_def_p): New function.
10029         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
10030         which are implicitly defined.
10031         * tree-ssa.h (ssa_defined_default_def_p): Declare.
10032
10033 2017-02-17  Richard Biener  <rguenther@suse.de>
10034
10035         PR middle-end/79576
10036         * params.def (max-ssa-name-query-depth): Limit to 10.
10037
10038 2017-02-17  Richard Biener  <rguenther@suse.de>
10039
10040         PR tree-optimization/79552
10041         * tree-ssa-structalias.c (visit_loadstore): Properly verify
10042         default defs.
10043
10044 2017-02-17  Richard Biener  <rguenther@suse.de>
10045
10046         PR bootstrap/79567
10047         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
10048
10049 2017-02-17  Marek Polacek  <polacek@redhat.com>
10050
10051         PR middle-end/79536
10052         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
10053         (fold_negate_expr): New wrapper.
10054
10055 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
10056
10057         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
10058         Correct terminology and de-emphasize pre-standard behavior.
10059
10060 2017-02-16  Alan Modra  <amodra@gmail.com>
10061
10062         PR rtl-optimization/79286
10063         * ira.c (def_dominates_uses): New function.
10064         (update_equiv_regs): Don't create an equivalence for insns that
10065         may trap where the register def does not dominate the use.
10066
10067 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
10068
10069         PR rtl-optimization/78127
10070         * lra.c (lra): Call lra_eliminate before finish the loop after
10071         lra_constraint.
10072
10073 2017-02-16  Richard Biener  <rguenther@suse.de>
10074
10075         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
10076         isl/isl_val.h.
10077         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
10078         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
10079         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
10080         (isl_val_int_from_wi): New function.
10081         (extract_affine_gmp): Rename to ...
10082         (extract_affine_wi): ... this, take a widest_int.
10083         (extract_affine_int): Just wrap extract_affine_wi.
10084         (add_param_constraints): Use isl_val_int_from_wi.
10085         (add_loop_constraints): Likewise, and extract_affine_wi.
10086
10087 2017-02-15  Jeff Law  <law@redhat.com>
10088
10089         PR middle-end/79521
10090         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
10091         ira_init_register_move_cost_if_necessary.
10092
10093 2017-02-15  Martin Sebor  <msebor@redhat.com>
10094
10095         PR middle-end/32003
10096         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
10097         removed in a prior commit.
10098
10099 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
10100
10101         PR tree-optimization/79347
10102         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
10103         counters during peeling.
10104
10105 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
10106
10107         * Makefile.in (site.exp): Remove "set ISLVER".
10108
10109 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
10110
10111         PR target/79487
10112         * real.c (real_from_integer): Call real_convert even for decimal.
10113
10114 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10115
10116         PR target/79421
10117         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
10118
10119 2017-02-14  Andrew Pinski  <apinski@cavium.com>
10120
10121         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
10122         cores and change the partno/implementer to be correct.
10123         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
10124         the 'B" as the implementer.
10125         * config/aarch64/aarch64-tune.md: Regenerate.
10126
10127 2017-02-14  Carl Love  <cel@us.ibm.com>
10128
10129         * config/rs6000/rs6000.c: Add case statement entry to make the
10130         xvcvuxdsp built-in argument unsigned.
10131         * config/rs6000/vsx.md: Fix the source and return operand types so they
10132         match the instruction definitions from the ISA document.  Fix typo
10133         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
10134         statement.
10135
10136 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
10137
10138         PR target/79282
10139         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
10140         member early_clobber_alts.
10141         * lra-lives.c (reg_early_clobber_p): New.
10142         (process_bb_lives): Use it.
10143         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
10144         (debug_operand_data): Initialize early_clobber_alts.
10145         (setup_operand_alternative): Set up early_clobber_alts.
10146         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
10147         alternatives to new_insn_reg.
10148         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
10149         it.
10150         (lra_update_insn_regno_info): Pass the new arg.
10151
10152 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
10153
10154         PR middle-end/79505
10155         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
10156         (new_oacc_loop_raw): Don't clear already cleared fields.
10157
10158         PR target/79481
10159         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
10160         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
10161         _mm512_prefetch_i64gather_ps): New inline functions and macros.
10162
10163 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
10164
10165         PR target/79495
10166         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
10167
10168 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
10169
10170         PR target/79498
10171         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
10172         the extra instruction to the right place to store 128-bit constant
10173         when needed.
10174
10175 2017-02-14  Martin Sebor  <msebor@redhat.com>
10176
10177         PR middle-end/79448
10178         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
10179           warning for strings of unknown length.
10180
10181 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
10182
10183         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
10184
10185 2017-02-14  Jeff Law  <law@redhat.com>
10186
10187         PR target/79404
10188         * ira-costs.c (scan_one_insn): Initialize register move costs
10189         for pseudos seen in USE/CLOBBER insns.
10190
10191         PR tree-optimization/79095
10192         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
10193         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
10194         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
10195         if the operands are known to be not equal, then the resulting range
10196         is ~[0,0].
10197         (intersect_ranges): If the new range is ~[0,0] and the old range is
10198         wide, then prefer ~[0,0].
10199         * tree-vrp.c (overflow_comparison_p_1): New function.
10200         (overflow_comparison_p): New function.
10201         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
10202         if NAME is used in an overflow test.
10203         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
10204         overflow check that can be expressed as an equality test, then adjust
10205         ops to be that equality test.
10206
10207 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10208
10209         * config/s390/s390-builtin-types.def: Remove flags argument.
10210         * config/s390/s390.c (s390_init_builtins): Likewise.
10211
10212 2017-02-14  Martin Liska  <mliska@suse.cz>
10213
10214         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
10215         vector.  Fix trailing white spaces.
10216
10217 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
10218
10219         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
10220         HFmode.
10221
10222 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10223
10224         PR rtl-optimization/68664
10225         * config/arm/arm.c (arm_sched_can_speculate_insn):
10226         New function.  Declare prototype.
10227         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
10228
10229 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10230
10231         PR rtl-optimization/68664
10232         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
10233         New function.
10234         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
10235
10236 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
10237
10238         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
10239         max skip bytes for function, loop and jump.
10240
10241 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10242
10243         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
10244         ABS_EXPR for gimple dump.
10245
10246 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
10247
10248         PR target/79462
10249         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
10250
10251         PR tree-optimization/79408
10252         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
10253         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
10254         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
10255         also if rhs1 is INTEGER_CST.
10256
10257 2017-02-14  Richard Biener  <rguenther@suse.de>
10258
10259         PR middle-end/79432
10260         * tree-into-ssa.c (insert_phi_nodes): When the function can
10261         have abnormal edges rewrite SSA names with broken use-def
10262         dominance out of SSA and register them for PHI insertion.
10263
10264 2017-02-13  Martin Sebor  <msebor@redhat.com>
10265
10266         PR middle-end/79496
10267         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
10268         clearing info.nowrite flag when snprintf size argument is a range.
10269
10270 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
10271
10272         * cprop.c (cprop_jump): Add missing space in string literal.
10273         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
10274         (get_constraint_for_component_ref): Likewise.
10275         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
10276         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
10277         * lra-constraints.c (process_alt_operands): Likewise.
10278         * ipa-inline.c (inline_small_functions): Likewise.
10279         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
10280         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
10281         * trans-mem.c (diagnose_tm_1_op): Likewise.
10282         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
10283         (grid_parallel_clauses_gridifiable): Likewise.
10284
10285         * config/nvptx/mkoffload.c (process): Add space in between
10286         , and %d.
10287
10288         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
10289         "MOD4_SSE_REGS" and "ALL_REGS".
10290
10291         * spellcheck.c (test_data): Add , in between "foo" and "food".
10292
10293 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10294
10295         PR target/79449
10296         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
10297         boundary crossing check and subsequent code generation agree.
10298
10299 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10300
10301         * config/aarch64/aarch64.c (has_memory_op): Delete.
10302         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
10303         has_memory_op.
10304
10305 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
10306
10307         PR rtl-optimization/79388
10308         PR rtl-optimization/79450
10309         * combine.c (distribute_notes): When removing TEM_INSN for which
10310         corresponding dest has last value recorded, invalidate that last
10311         value.
10312
10313 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10314
10315         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
10316         of explicit '@'.  Add missing assembly comment marker on branch costs
10317         printout.
10318
10319 2017-02-13  Nathan Sidwell  <nathan@acm.org>
10320
10321         * gengtype-lex.l (<in_struct>): Add '/'.
10322
10323 2017-02-13  Martin Liska  <mliska@suse.cz>
10324
10325         PR c/79471
10326         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
10327
10328 2017-02-13  Richard Biener  <rguenther@suse.de>
10329
10330         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
10331         Remove.
10332         * configure: Re-generate.
10333         * config.in: Likewise.
10334         * graphite-dependences.c: Simplify as if
10335         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
10336         * graphite-isl-ast-to-gimple.c: Likewise.
10337         * graphite-optimize-isl.c: Likewise.
10338         * graphite-poly.c: Likewise.
10339         * graphite-sese-to-poly.c: Likewise.
10340         * graphite.h: Likewise.
10341         * toplev.c: Include isl/version.h and use isl_version () for
10342         printing the ISL version.
10343         * doc/install.texi: Update ISL requirement.
10344
10345 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
10346
10347         * doc/standards.texi (Standards): Update reference to
10348         Objective-C 2.0.
10349
10350 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
10351
10352         * doc/extend.texi (Named Address Spaces): sourceware.org now
10353         defaults to https.
10354         * doc/install.texi (Binaries): Ditto.
10355         (Specific): Ditto.
10356
10357 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
10358
10359         * doc/cpp.texi: Replace "stringify"/"stringification" with C
10360         standard terminology "stringize"/"stringizing" throughout.
10361         * doc/cppinternals.texi: Likewise.
10362
10363 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
10364
10365         * doc/extend.texi: Fix some spelling mistakes and typos.
10366         * doc/invoke.texi: Likewise.
10367
10368 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
10369
10370         PR ipa/79224
10371         * params.def (inline-min-speedup) Change from 10 to 8.
10372
10373 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
10374
10375         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
10376         4.5.
10377
10378 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
10379
10380         PR ipa/79224
10381         * ipa-inline-analysis.c (get_minimal_bb): New function.
10382         (record_modified): Use it.
10383         (remap_edge_change_prob): Handle also ancestor functions.
10384
10385 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
10386
10387         * doc/contrib.texi (Contributors): Remove broken link into
10388         the Mauve CVS repository.
10389
10390 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
10391
10392         PR middle-end/79454
10393         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
10394         result computation whenever lhs doesn't have vector mode, not
10395         just when it has BLKmode.
10396
10397 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
10398
10399         * doc/makefile.texi (profiledbootstrap): Refer to the
10400         installation instructions only in textual form.
10401
10402 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10403
10404         PR target/79295
10405         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
10406
10407 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
10408
10409         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
10410         (Specific): Update mingw-w64 reference.
10411         (Binaries): Ditto.
10412         (Specific): Remove broken link to Renesas RX processor.
10413
10414 2017-02-10  Richard Biener  <rguenther@suse.de>
10415
10416         * toplev.c (process_options): Do not mention obsolete graphite
10417         options when printing sorry message about missing graphite support.
10418         Mention -floop-nest-optimize.
10419
10420 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
10421
10422         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
10423         (vtst_p16): Likewise.
10424         (vtstq_p8): Likewise.
10425         (vtstq_p16): Likewise.
10426         (vtst_p64): New.
10427         (vtstq_p64): Likewise.
10428         * config/arm/arm_neon.h (vgetq_lane_p64): New.
10429         (vset_lane_p64): New.
10430         (vsetq_lane_p64): New.
10431
10432 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
10433
10434         PR tree-optimization/79411
10435         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
10436         stmt operands are SSA_NAMEs used in abnormal phis.
10437         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
10438         phis.
10439
10440 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
10441
10442         PR ipa/70795
10443         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
10444         flag if needed.
10445
10446 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
10447
10448         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
10449
10450 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
10451
10452         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
10453         to avoid warning.
10454
10455         PR c/79413
10456         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
10457         not arbitrary TREE_CONSTANT.
10458
10459         PR c/79431
10460         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
10461         "omp declare target link" attribute unless is_global_var.
10462         * omp-offload.c (find_link_var_op): Likewise.
10463
10464 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
10465             Chung-Lin Tang  <cltang@codesourcery.com>
10466
10467         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
10468         OMP_CLAUSE_TILE.
10469         (gimplify_adjust_omp_clauses): Don't delete TILE.
10470         (gimplify_omp_for): Deal with TILE.
10471         * internal-fn.c (expand_GOACC_TILE): New function.
10472         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
10473         (GOACC_TILE): New.
10474         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
10475         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
10476         element fields.
10477         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
10478         avoid DIV for outermost collapse var.
10479         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
10480         Remove out of date comments, fix whitespace.
10481         * omp-general.c (omp_extract_for_data): Deal with tiling.
10482         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
10483         adjust OLF_DIM_BASE value.
10484         (struct omp_for_data): Add tiling field.
10485         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
10486         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
10487         for auto loops.  Remove default auto determining, moved to
10488         oacc_loop_fixed_partitions.
10489         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
10490         stmts, add e_mask field.
10491         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
10492         (oacc_thread_numbers): Use oacc_dim_call.
10493         (oacc_xform_tile): New.
10494         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
10495         (finish_oacc_loop): Adjust for ifns vector.
10496         (oacc_loop_discover_walk): Append loop abstraction sites to list,
10497         add case for GOACC_TILE fns.
10498         (oacc_loop_xform_loop): Delete.
10499         (oacc_loop_process): Iterate over call list directly, and add
10500         handling for GOACC_TILE fns.
10501         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
10502         dump partitioning.
10503         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
10504         vector partitioning to outer loops.  Assign 2 partitions to loops
10505         when available. Add TILE handling.
10506         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
10507         (execite_oacc_device_lower): Process GOACC_TILE fns,
10508         ignore unknown specs.
10509         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
10510         * tree.c (omp_clause_num_ops): Adjust TILE ops.
10511         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
10512
10513 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
10514
10515         * configure.ac (ACX_BUGURL): Update.
10516         * configure: Regenerate.
10517
10518 2017-02-09  Richard Biener  <rguenther@suse.de>
10519
10520         PR tree-optimization/69823
10521         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
10522         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
10523
10524 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
10525
10526         * config/arc/arc-c.def: Add __NPS400__ definition.
10527         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
10528         (TARGET_NPS400): Define.
10529
10530 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
10531
10532         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
10533         file.
10534         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
10535         pointer, arch_info.
10536         (arc_cpu_types): Fill the arch_info field with a pointer into the
10537         arc_arch_types table.
10538         (arc_selected_cpu): Declare.
10539         * config/arc/arc.c (arc_selected_cpu): Make global.
10540         (arc_selected_arch): Delete.
10541         (arc_base_cpu): Delete.
10542         (arc_override_options): Remove references to deleted variables,
10543         update access to arch information.
10544         (ARC_OPT): Update access to arch information.
10545         (ARC_OPTX): Likewise.
10546         * config/arc/arc.h (arc_base_cpu): Remove declaration.
10547         (TARGET_ARC600): Update access to arch information.
10548         (TARGET_ARC601): Likewise.
10549         (TARGET_ARC700): Likewise.
10550         (TARGET_EM): Likewise.
10551         (TARGET_HS): Likewise.
10552         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
10553         information.
10554
10555 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
10556
10557         PR target/78604
10558         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
10559         condition/operands for integer GE/LE/GEU/LEU operations.
10560
10561 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
10562
10563         PR translation/79397
10564         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
10565         of AltiVec.
10566
10567 2017-02-08  Martin Jambor  <mjambor@suse.cz>
10568
10569         PR ipa/79375
10570         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
10571         whether allocation happened.
10572         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
10573         nothing was allocated.
10574
10575 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
10576
10577         PR tree-optimization/79408
10578         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
10579         constant, but SSA_NAME with a known integer range, use the minimum
10580         of that range instead of op1 to determine if modulo can be replaced
10581         with its first operand.
10582
10583 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10584
10585         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
10586
10587 2017-02-08  Richard Biener  <rguenther@suse.de>
10588
10589         PR tree-optimization/71824
10590         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
10591         Check all loops contained in the merged region.
10592
10593 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10594
10595         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
10596
10597 2017-02-07  Andrew Pinski  <apinski@cavium.com>
10598
10599         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
10600         (thunderxt88): Likewise.
10601         (thunderxt81): Disable LSE and change v8.1 to v8.
10602         (thunderxt83): Likewise.
10603
10604 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10605             Richard Biener  <rguenther@suse.de>
10606
10607         PR middle-end/79399
10608         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
10609         type from int to size_t.
10610         * ira-costs.c (struct_costs_size): Change type from int to size_t.
10611
10612 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
10613
10614         PR rtl-optimization/79386
10615         * cprop.c (bypass_conditional_jumps): Initialize
10616         bypass_last_basic_block already before splitting bbs after
10617         unconditional traps...
10618         (bypass_conditional_jumps): ... rather than here.
10619
10620         PR target/79299
10621         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
10622         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
10623         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
10624         fix -masm=intel patterns.
10625
10626 2017-02-07  Richard Biener  <rguenther@suse.de>
10627
10628         PR tree-optimization/79256
10629         PR middle-end/79278
10630         * builtins.c (get_object_alignment_2): Use min_align_of_type
10631         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
10632         and ADJUST_FIELD_ALIGN.
10633
10634         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
10635         type parameter.
10636         * doc/tm.texi: Regenerate.
10637         * stor-layout.c (layout_decl): Adjust.
10638         (update_alignment_for_field): Likewise.
10639         (place_field): Likewise.
10640         (min_align_of_type): Likewise.
10641         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
10642         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
10643         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
10644         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
10645         * config/frv/frv.c (frv_adjust_field_align): Likewise.
10646         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
10647         * config/i386/i386.c (x86_field_alignment): Likewise.
10648         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10649         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
10650         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
10651         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10652         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
10653         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
10654          Likewise.
10655
10656         Revert
10657         2017-01-30  Richard Biener  <rguenther@suse.de>
10658
10659         PR tree-optimization/79256
10660         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
10661         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
10662         alignment on TYPE.
10663
10664 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
10665
10666         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
10667         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
10668         builtins to SImode and emit a zero-extend, if necessary.
10669
10670 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10671
10672         * docs/invoke.texi (RISC-V Options): Alphabetize.
10673
10674 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10675
10676         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
10677         options.
10678
10679 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
10680
10681         * config/riscv/riscv.c: New file.
10682         * gcc/common/config/riscv/riscv-common.c: Likewise.
10683         * config.gcc: Likewise.
10684         * config/riscv/constraints.md: Likewise.
10685         * config/riscv/elf.h: Likewise.
10686         * config/riscv/generic.md: Likewise.
10687         * config/riscv/linux.h: Likewise.
10688         * config/riscv/multilib-generator: Likewise.
10689         * config/riscv/peephole.md: Likewise.
10690         * config/riscv/pic.md: Likewise.
10691         * config/riscv/predicates.md: Likewise.
10692         * config/riscv/riscv-builtins.c: Likewise.
10693         * config/riscv/riscv-c.c: Likewise.
10694         * config/riscv/riscv-ftypes.def: Likewise.
10695         * config/riscv/riscv-modes.def: Likewise.
10696         * config/riscv/riscv-opts.h: Likewise.
10697         * config/riscv/riscv-protos.h: Likewise.
10698         * config/riscv/riscv.h: Likewise.
10699         * config/riscv/riscv.md: Likewise.
10700         * config/riscv/riscv.opt: Likewise.
10701         * config/riscv/sync.md: Likewise.
10702         * config/riscv/t-elf-multilib: Likewise.
10703         * config/riscv/t-linux: Likewise.
10704         * config/riscv/t-linux-multilib: Likewise.
10705         * config/riscv/t-riscv: Likewise.
10706         * configure.ac: Likewise.
10707         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
10708         Waterman as RISC-V maintainers.
10709         * doc/install.texi: Add RISC-V entries.
10710         * doc/invoke.texi: Add RISC-V options section.
10711         * doc/md.texi: Add RISC-V constraints section.
10712         * configure: Regenerated.
10713
10714 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
10715
10716         PR target/66144
10717         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
10718         false values to be constant vectors with all 0 or all 1 bits set.
10719         (vcondu<mode><mode>): Likewise.
10720         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
10721         predicate.
10722         (fpmask_comparison_operator): Update comment.
10723         (vecint_comparison_operator): New predicate.
10724         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
10725         vector conditionals when the true and false values are constant
10726         vectors with all 0 bits or all 1 bits set.
10727
10728 2017-02-06  Martin Sebor  <msebor@redhat.com>
10729
10730         PR  tree-optimization/79376
10731         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
10732
10733 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
10734
10735         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
10736         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
10737         to simplify split condition.
10738
10739 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10740
10741         * omp-expand.c (oxpand_omp_atomic_fetch_op,
10742         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
10743         false.
10744
10745 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
10746
10747         PR rtl-optimization/68664
10748         * target.def (can_speculate_insn): New hook.
10749         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
10750         * doc/tm.texi: Regenerate.
10751         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
10752         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
10753         (rs6000_sched_can_speculate_insn): New function.
10754
10755 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
10756
10757         PR tree-optimization/79284
10758         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
10759         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
10760         vectorizable_mask_load_store, vectorizable_operation,
10761         vect_is_simple_cond, get_same_sized_vectype): Use it instead
10762         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
10763         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
10764         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
10765         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
10766         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
10767         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
10768         is_gimple_assign (stmt).  Replace another such test with
10769         is_gimple_assign (stmt).
10770
10771 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10772
10773         PR target/78883
10774         * config/avr/avr.c (rtl-iter.h): Include it.
10775         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
10776         (avr_legitimate_combined_insn): ...and implementation.
10777
10778 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10779
10780         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
10781         * config/s390/s390.c (s390_const_operand_ok)
10782         (s390_canonicalize_comparison, s390_extract_part)
10783         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
10784         (s390_contiguous_bitmask_p, s390_rtx_costs)
10785         (legitimize_pic_address): Likewise.
10786         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
10787         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
10788         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
10789         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
10790         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
10791
10792 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
10793
10794         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
10795         REGNO($0) == REGNO($1).
10796
10797 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10798
10799         * config/s390/linux.h(SIZE_TYPE): Add comment.
10800
10801 2017-02-06  Julian Brown  <julian@codesourcery.com>
10802             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10803             Virendra Pathak  <virendra.pathak@broadcom.com>
10804
10805         * config/aarch64/aarch64-cores.def: Change the scheduler
10806         to Thunderx2t99.
10807         * config/aarch64/aarch64.md: Include thunderx2t99.md.
10808         * config/aarch64/thunderx2t99.md: New file.
10809
10810 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10811
10812         * doc/standards.texi (Go Language): Update link to language
10813         standard.
10814
10815 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10816
10817         * tree-eh.c (lower_resx): Sanitize profile.
10818         (cleanup_empty_eh_move_lp): Likewise.
10819
10820 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
10821
10822         PR tree-ssa/79347
10823         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
10824         ELSE_PROB.
10825         * cfgloopmanip.h (loop_version): Update prototype.
10826         * modulo-sched.c (sms_schedule): Update call of loop_version.
10827         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
10828         * tree-parloops.c (gen_parallel_loop): Likewise.
10829         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
10830         * tree-ssa-loop-split.c (split_loop): Likewise.
10831         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
10832         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
10833
10834 2017-02-05  Martin Liska  <mliska@suse.cz>
10835
10836         PR bootstrap/78985
10837         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
10838         variable to NULL.
10839         (print_operand_address): Initialize a struct to zero.
10840
10841 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10842
10843         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
10844         garbage collector only in textual form.
10845
10846 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
10847
10848         * doc/extend.texi (x86 specific memory model extensions for
10849         transactional memory): Simplify a phrase.
10850
10851 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
10852
10853         PR target/79353
10854         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
10855         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
10856         (atomic_storedi_1): Likewise.
10857
10858 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
10859
10860         PR tree-optimization/79338
10861         * tree-parloops.c (gather_scalar_reductions): Don't call
10862         vect_analyze_loop_form for loop->inner before destroying loop's
10863         loop_vinfo.
10864
10865 2017-02-03  Martin Sebor  <msebor@redhat.com>
10866
10867         PR tree-optimization/79327
10868         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
10869         when precision has resulted in leading zeros.
10870         (format_integer): Adjust the likely counter to assume an unknown
10871         argument that may be zero is non-zero.
10872
10873 2017-02-03  Jason Merrill  <jason@redhat.com>
10874
10875         PR c++/78689
10876         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
10877         avoid copying non-taken branch.
10878
10879 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10880
10881         PR tree-optimization/79340
10882         * tree-vect-loop.c (vectorizable_reduction): Release
10883         vec_defs elements after safe_splicing them into other vectors.
10884         Formatting fixes.
10885
10886         PR tree-optimization/79327
10887         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
10888         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
10889         dirtype.
10890         (format_integer): Use wide_int_to_tree instead of build_int_cst
10891         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
10892         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
10893         of shortest and longest sequence.
10894
10895 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
10896
10897         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
10898         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
10899
10900 2017-02-03  Walter Lee  <walt@tilera.com>
10901
10902         PR target/78862
10903         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
10904         after initial stackframe link reg save.
10905         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
10906
10907 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
10908
10909         PR target/79354
10910         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
10911         wu for stxssp alternative.
10912
10913 2017-02-03  Martin Sebor  <msebor@redhat.com>
10914
10915         PR tree-optimization/79352
10916         * gimple-fold.c (get_range_strlen): Add argument.
10917         (get_range_strlen): Change return type to bool.
10918         (get_maxval_strlen): Pass in a dummy argument.
10919         * gimple-fold.h (get_range_strlen): Change return type to bool.
10920         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
10921         * tree.h (array_at_struct_end_p): Add argument.
10922         * tree.c (array_at_struct_end_p): Handle it.
10923
10924 2017-02-03  Martin Liska  <mliska@suse.cz>
10925
10926         PR lto/66295
10927         * multiple_target.c (create_dispatcher_calls): Redirect edge
10928         from a caller of a dispatcher.
10929         (expand_target_clones): Make the clones local.
10930         (ipa_target_clone): Do both target clones and resolvers.
10931         (ipa_dispatcher_calls): Remove the pass.
10932         (pass_dispatcher_calls::gate): Likewise.
10933         (make_pass_dispatcher_calls): Likewise.
10934         * passes.def (pass_target_clone): Put as very first IPA early
10935         pass.
10936
10937 2017-02-03  Martin Liska  <mliska@suse.cz>
10938
10939         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
10940         in case of a function with ifunc attribute.
10941
10942 2017-02-03  Martin Liska  <mliska@suse.cz>
10943
10944         * cgraph.c (cgraph_node::dump): Dump function version info.
10945         * symtab.c (symtab_node::dump_base): Add missing new line.
10946
10947 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
10948
10949         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
10950         (ifcombine_ifandif): Use it.
10951
10952 2017-02-03  Martin Liska  <mliska@suse.cz>
10953
10954         * doc/invoke.texi: Document default value for
10955         use-after-scope-direct-emission-threshold.
10956
10957 2017-02-03  Martin Liska  <mliska@suse.cz>
10958
10959         PR tree-optimization/79339
10960         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
10961         (format_floating): Likewise.
10962
10963 2017-02-03  Martin Liska  <mliska@suse.cz>
10964
10965         PR ipa/79337
10966         * ipa-prop.c (ipa_node_params_t::insert): Remove current
10967         implementation.
10968         (ipa_node_params_t::remove): Likewise.
10969         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
10970         initialization from removed ipa_node_params_t::insert.
10971         (ipa_node_params::~ipa_node_params): Move from removed
10972         ipa_node_params_t::release.
10973         * symbol-summary.h (symbol_summary::m_released): New member.
10974         Do not release a summary twice.  Do not allow to call finalizer
10975         for types of a summary that live in GGC memory.
10976
10977 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10978
10979         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
10980         cmp_branch fusion.
10981
10982 2017-02-02  Martin Sebor  <msebor@redhat.com>
10983
10984         PR middle-end/79275
10985         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
10986         (format_string): Tighten up the range of output for non-constant
10987         strings and correct the expected range for wide non-constant strings.
10988
10989 2017-02-02  Martin Sebor  <msebor@redhat.com>
10990
10991         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
10992
10993         PR middle-end/32003
10994         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
10995         index.
10996         (-fdump-tree-@var): Add to index and document how to come up
10997         with pass-specific option and dump file names.
10998         (-fdump-passes): Clarify where to look for output.
10999
11000 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
11001
11002         PR middle-end/77445
11003         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
11004         statistics of the analyzed path; allow threading for speed when
11005         any of BBs along the path are optimized for speed.
11006
11007 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
11008
11009         PR middle-end/78468
11010         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
11011         settings of the virtual registers.
11012
11013         Revert again
11014         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11015
11016         * explow.c (get_dynamic_stack_size): Take known alignment of stack
11017         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
11018         needed.
11019
11020 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11021
11022         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
11023         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
11024
11025 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11026
11027         * config/s390/s390.md: Add missing comments with the expanded
11028         mnemonics.
11029         * config/s390/vector.md: Likewise.
11030         * config/s390/vx-builtins.md: Likewise.
11031
11032 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
11033
11034         PR target/79197
11035         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
11036         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
11037         conditions on a single line.
11038
11039 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11040
11041         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
11042         __S390_VX__ to __VX__.
11043
11044 2017-02-01  Andrew Pinski  <apinski@cavium.com>
11045
11046         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
11047         stmt_info to record_stmt_cost.
11048         (vect_get_known_peeling_cost): Pass stmt_info if known to
11049         record_stmt_cost.
11050         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
11051         cpu_vector_cost field into
11052         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
11053         field into vec_int_stmt_cost and vec_fp_stmt_cost.
11054         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
11055         splitting of scalar_stmt_cost and vec_stmt_cost.
11056         (thunderx_vector_cost): Likewise.
11057         (cortexa57_vector_cost): LIkewise.
11058         (exynosm1_vector_cost): Likewise.
11059         (xgene1_vector_cost): Likewise.
11060         (thunderx2t99_vector_cost): Improve after the splitting of the two
11061         fields.
11062         (aarch64_builtin_vectorization_cost): Update for the splitting of
11063         scalar_stmt_cost and vec_stmt_cost.
11064
11065 2017-02-01  Torvald Riegel  <triegel@redhat.com>
11066             Richard Henderson  <rth@redhat.com>
11067
11068         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
11069         conditional on existance of a fast atomic load.
11070         * optabs-query.c (can_atomic_load_p): New function.
11071         * optabs-query.h (can_atomic_load_p): Declare it.
11072         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
11073         no fast atomic load is available for the particular size of access.
11074         (expand_atomic_compare_and_swap): Likewise.
11075         (expand_atomic_load): Likewise.
11076         (expand_atomic_store): Likewise.
11077         (expand_atomic_fetch_op): Likewise.
11078         * testsuite/lib/target-supports.exp
11079         (check_effective_target_sync_int_128): Remove x86 because it provides
11080         no fast atomic load.
11081         (check_effective_target_sync_int_128_runtime): Likewise.
11082
11083 2017-02-01  Richard Biener  <rguenther@suse.de>
11084
11085         * graphite.c: Include tree-vectorizer.h for find_loop_location.
11086         (graphite_transform_loops): Provide opt-info for optimized nests.
11087         * tree-parloop.c (parallelize_loops): Provide opt-info for
11088         parallelized loops.
11089
11090 2017-02-01  Richard Biener  <rguenther@suse.de>
11091
11092         PR middle-end/79315
11093         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
11094         was not set before.
11095
11096 2017-02-01  Richard Biener  <rguenther@suse.de>
11097
11098         PR tree-optimization/71824
11099         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
11100         Verify the loops are valid in the merged SESE region.
11101         (scop_detection::can_represent_loop_1): Check analyzing the
11102         evolution of the number of iterations in the region succeeds.
11103
11104 2017-01-31  Ian Lance Taylor  <iant@golang.org>
11105
11106         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
11107         REG_ARGS_SIZE note to 32-bit push insns and call insn.
11108
11109 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
11110
11111         PR preprocessor/79210
11112         * input.c (get_substring_ranges_for_loc): Replace line_width
11113         assertion with error-handling.
11114
11115 2017-01-31  Richard Biener  <rguenther@suse.de>
11116
11117         PR tree-optimization/77318
11118         * graphite-sese-to-poly.c (extract_affine): Fix assert.
11119         (create_pw_aff_from_tree): Take loop parameter.
11120         (add_condition_to_pbb): Pass loop of the condition to
11121         create_pw_aff_from_tree.
11122
11123 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
11124
11125         * config/s390/s390.c (s390_asan_shadow_offset): New function.
11126         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
11127
11128 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
11129
11130         PR target/78597
11131         PR target/79038
11132         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
11133         no longer used.
11134         (convert_int_to_float128): Likewise.
11135         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
11136         (convert_int_to_float128): Likewise.
11137         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
11138         (UNSPEC_IEEE128_CONVERT): Likewise.
11139         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
11140         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
11141         Use local variables for IBM extended format.
11142         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
11143         (fix_trunc<mode>si2_fprs): Likewise.
11144         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
11145         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
11146         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
11147         to know that we can now have integers of all sizes in vector
11148         registers.
11149         (fix<uns>_<mode>di2_hw): Likewise.
11150         (float<uns>_<mode>si2_hw): Likewise.
11151         (fix_<mode>si2_hw): Likewise.
11152         (fixuns_<mode>si2_hw): Likewise.
11153         (float<uns>_<mode>di2_hw): Likewise.
11154         (float_<mode>di2_hw): Likewise.
11155         (float_<mode>si2_hw): Likewise.
11156         (floatuns_<mode>di2_hw): Likewise.
11157         (floatuns_<mode>si2_hw): Likewise.
11158         (xscvqp<su>wz_<mode>): Delete, no longer used.
11159         (xscvqp<su>dz_<mode>): Likewise.
11160         (xscv<su>dqp_<mode>): Likewise.
11161         (ieee128_mfvsrd_64bit): Likewise.
11162         (ieee128_mfvsrd_32bit): Likewise.
11163         (ieee128_mfvsrwz): Likewise.
11164         (ieee128_mtvsrw): Likewise.
11165         (ieee128_mtvsrd_64bit): Likewise.
11166         (ieee128_mtvsrd_32bit): Likewise.
11167
11168 2017-01-31  Martin Liska  <mliska@suse.cz>
11169
11170         PR ipa/79285
11171         * ipa-prop.c (ipa_free_all_node_params): Call release method
11172         instead of ~sumbol_summary to not to trigger double times
11173         dtor of hash_map.
11174
11175 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
11176
11177         PR tree-optimization/71691
11178         * bitmap.h (class auto_bitmap): New.
11179         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
11180         is_maybe_undefined instead of ssa_undefined_value_p.
11181
11182 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11183
11184         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
11185         __S390_ARCH_LEVEL__ to __ARCH__.
11186
11187 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
11188
11189         PR tree-optimization/79267
11190         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
11191         if should_remove_lhs_p is true.
11192
11193 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
11194
11195         PR debug/63238
11196         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
11197         (add_alignment_attribute): New.
11198         (base_type_die): Add alignment attribute.
11199         (subrange_type_die): Likewise.
11200         (modified_type_die): Likewise.
11201         (gen_array_type_die): Likewise.
11202         (gen_descr_array_type_die: Likewise.
11203         (gen_enumeration_type_die): Likewise.
11204         (gen_subprogram_die): Likewise.
11205         (gen_variable_die): Likewise.
11206         (gen_field_die): Likewise.
11207         (gen_ptr_to_mbr_type_die): Likewise.
11208         (gen_struct_or_union_type_die): Likewise.
11209         (gen_subroutine_type_die): Likewise.
11210         (gen_typedef_die): Likewise.
11211         (base_type_cmp): Compare alignment attribute.
11212
11213 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11214
11215         PR target/79170
11216         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
11217         (setb_unsigned) New pattern for setb with CCUNS.
11218         * config/rs6000/rs6000.c (expand_block_compare): Use a different
11219         subfc./subfe sequence to avoid overflow problems.  Generate a
11220         shorter sequence with cmpld/setb for power9.
11221         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
11222         for generating subfc. instruction.
11223         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
11224         now uses this instruction.
11225
11226 2017-01-30  Ian Lance Taylor  <iant@google.com>
11227
11228         PR debug/79289
11229         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
11230         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
11231
11232 2017-01-30  Martin Sebor  <msebor@redhat.com>
11233
11234         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
11235         Move constant to the right of a relational operator.
11236         (get_mpfr_format_length, format_character, format_string): Ditto.
11237         (should_warn_p, maybe_warn): Same.
11238
11239         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
11240
11241 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
11242
11243         PR lto/79061
11244         * asan.c (get_translation_unit_decl): Remove function.
11245         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
11246
11247 2017-01-30  Martin Liska  <mliska@suse.cz>
11248
11249         PR gcov-profile/79259
11250         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
11251         -fprofile-generate.
11252
11253 2017-01-30  Martin Liska  <mliska@suse.cz>
11254
11255         PR bootstrap/78985
11256         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
11257         Initialize variables with NULL value.
11258
11259 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
11260
11261         PR target/79260
11262         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
11263         tm_p_file.
11264         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
11265
11266 2017-01-30  Richard Biener  <rguenther@suse.de>
11267
11268         PR tree-optimization/79276
11269         * tree-vrp.c (process_assert_insertions): Properly adjust common
11270         when removing a duplicate.
11271
11272         * gcc.dg/torture/pr79276.c: New testcase.
11273
11274 2017-01-30  Richard Biener  <rguenther@suse.de>
11275
11276         PR tree-optimization/79256
11277         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
11278         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
11279         alignment on TYPE.
11280         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
11281
11282 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11283
11284         PR target/79240
11285         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
11286         ("*r<noxa>sbg_<mode>_sll_bitmask")
11287         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
11288         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
11289         Use contiguous_bitmask_nowrap_operand.
11290
11291 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11292
11293         PR target/79268
11294         * config/rs6000/altivec.h (vec_xl): Revise #define.
11295         (vec_xst): Likewise.
11296
11297 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
11298
11299         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
11300
11301 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
11302
11303         PR rtl-optimization/79194
11304         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
11305         traps before call to bypass_conditional_jumps.
11306
11307 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
11308
11309         PR tree-optimization/71374
11310         * lra-constraints.c (check_conflict_input_operands): New.
11311         (match_reload): Use it.
11312
11313 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
11314
11315         PR target/79131
11316         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
11317         account to calculate conflict_set.
11318
11319 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
11320
11321         PR rtl-optimization/78559
11322         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
11323         other_insn in combine.
11324
11325 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
11326
11327         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
11328         uint16_type_node for BT_UINT16.
11329
11330 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
11331
11332         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
11333         "RTL Tests" to menu.
11334         (GIMPLE Tests): New node.
11335         (RTL Tests): New node.
11336
11337 2017-01-27  Richard Biener  <rguenther@suse.de>
11338
11339         PR tree-optimization/79245
11340         * tree-loop-distribution.c (distribute_loop): Apply cost
11341         modeling also to detected patterns.
11342
11343 2017-01-27  Richard Biener  <rguenther@suse.de>
11344
11345         PR tree-optimization/71433
11346         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
11347         (compare_assert_loc): New function.
11348         (process_assert_insertions): Sort and optimize assert locations
11349         to remove duplicates and push down identical assertions on
11350         edges to their destination block.
11351
11352 2017-01-27  Richard Biener  <rguenther@suse.de>
11353
11354         PR tree-optimization/79244
11355         * tree-vrp.c (remove_range_assertions): Forcefully propagate
11356         out SSA names even if abnormal.
11357
11358 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
11359
11360         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
11361         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
11362         instead of MPFR_RNDN.
11363
11364 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
11365
11366         PR target/79239
11367         * arm.c (arm_option_override): Don't call build_target_option_node
11368         until after doing all option overrides.
11369         (arm_valid_target_attribute_tree): Likewise.
11370
11371 2017-01-27  Martin Liska  <mliska@suse.cz>
11372
11373         * doc/invoke.texi (-fprofile-arcs): Document profiling support
11374         for {cd}tors and C++ {cd}tors.
11375
11376 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
11377
11378         * config/s390/s390.md ("*setmem_long_and")
11379         ("*setmem_long_and_31z"): Use zero_extend instead of and.
11380
11381 2017-01-26  Martin Sebor  <msebor@redhat.com>
11382
11383         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
11384         of precision.
11385
11386 2017-01-26  Martin Sebor  <msebor@redhat.com>
11387
11388         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
11389         HAVE_DFmode before using XFmode or DFmode.
11390         (parse_directive): Avoid using the z length modifier to avoid
11391         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
11392
11393         PR middle-end/78703
11394         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
11395         to accept adjustment as an array.
11396         (get_int_range): New function.
11397         (struct directive): Make width and prec arrays.
11398         (directive::set_width, directive::set_precision): Call get_int_range.
11399         (format_integer, format_floating): Handle width and precision ranges.
11400         (format_string, parse_directive): Same.
11401
11402 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11403
11404         PR debug/79129
11405         * dwarf2out.c (generate_skeleton_bottom_up): For children with
11406         comdat_type_p set, just clone them, but keep the children in the
11407         original DIE.
11408
11409         PR debug/78835
11410         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
11411         which have direct callers with -fvar-tracking-assignments enabled
11412         in the current TU.
11413         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
11414         inside of type units.
11415
11416 2017-01-26  Martin Sebor  <msebor@redhat.com>
11417
11418         PR middle-end/78703
11419         * gimple-ssa-sprintf.c (struct result_range): Add likely and
11420         unlikely counters.
11421         (struct format_result): Replace number_chars, number_chars_min,
11422         and number_chars_max with a single member of struct result_range.
11423         Remove bounded.
11424         (format_result::operator+=): Adjust.
11425         (struct fmtresult): Remove bounded.  Handle likely and unlikely
11426         counters.
11427         (fmtresult::adjust_for_width_or_precision): New function.
11428         (fmtresult:type_max_digits): New function.
11429         (bytes_remaining): Handle likely and unlikely counters.
11430         (min_bytes_remaining): Remove.
11431         (format_percent): Simplify.
11432         (format_integer, format_floating): Set likely and unlikely counters.
11433         (get_string_length, format_character, format_string): Same.
11434         (format_plain, should_warn_p): New function.
11435         (maybe_warn): Call should_warn_p.  Update diagnostic messages
11436         and handle those for all directives, including plain strings.
11437         (format_directive): Handle likely and unlikely counters.
11438         Remove unnecessary quoting from diagnostics.  Add an informational
11439         note.
11440         (add_bytes): Remove.
11441         (pass_sprintf_length::compute_format_length): Simplify.
11442         (try_substitute_return_value): Handle likely and unlikely counters.
11443
11444 2017-01-26  Carl Love  <cel@us.ibm.com>
11445
11446         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
11447         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
11448
11449 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
11450
11451         PR target/79131
11452         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
11453         endianess for subregs into account.
11454         * lra-constraints.c (lra_constraints): Do risky transformations
11455         always on the first iteration.
11456         * lra-lives.c (check_pseudos_live_through_calls): Add arg
11457         last_call_used_reg_set.
11458         (process_bb_lives): Define and use last_call_used_reg_set.
11459         * lra.c (lra): Always continue after lra_constraints on the first
11460         iteration.
11461
11462 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
11463
11464         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
11465         constant.
11466         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
11467
11468 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11469
11470         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
11471         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
11472         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
11473         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
11474         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
11475         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
11476         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
11477         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
11478         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
11479
11480 2017-01-26  Marek Polacek  <polacek@redhat.com>
11481
11482         PR c/79199
11483         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
11484         for the third operand.
11485
11486 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11487
11488         PR middle-end/79236
11489         * omp-low.c (struct omp_context): Add simt_stmt field.
11490         (scan_omp_for): Return omp_context *.
11491         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
11492         context to the _simt_ SIMD stmt.
11493         (lower_omp_for): For combined SIMD with sibling _simt_
11494         SIMD, make sure to use the same decls in _looptemp_
11495         clauses as in the sibling.
11496
11497 2017-01-26  David Sherwood  <david.sherwood@arm.com>
11498
11499         PR middle-end/79212
11500         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
11501         all contexts.
11502
11503 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
11504
11505         PR target/70465
11506         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
11507         emit fld b; fld a; if possible.
11508
11509         * brig-builtins.def: Update copyright years.
11510         * config/arm/arm_acle_builtins.def: Update copyright years.
11511
11512 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
11513
11514         PR target/79179
11515         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
11516         constraint instead of o for the stxsd instruction.
11517
11518 2017-01-25  Carl Love  <cel@us.ibm.com>
11519
11520         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
11521         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
11522
11523 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
11524
11525         * doc/invoke.texi (C++ Dialect Options): Fix typo.
11526
11527 2017-01-25  Richard Biener  <rguenther@suse.de>
11528
11529         PR tree-optimization/69264
11530         * target.def (vector_alignment_reachable): Improve documentation.
11531         * doc/tm.texi: Regenerate.
11532         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
11533         and add a comment.
11534         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
11535         earlier changes with respect to TYPE_USER_ALIGN.
11536         (vector_alignment_reachable_p): Likewise.  Improve dumping.
11537
11538 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11539
11540         PR target/79145
11541         * config/arm/arm.md (xordi3): Force constant operand into a register
11542         for TARGET_IWMMXT.
11543
11544 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11545
11546         * doc/invoke.texi (-fstore-merging): Correct default optimization
11547         levels at which it is enabled.
11548         (-O): Move -fstore-merging from list to...
11549         (-O2): ... Here.
11550
11551 2017-01-25  Richard Biener  <rguenther@suse.de>
11552
11553         PR debug/78363
11554         * omp-expand.c: Include debug.h.
11555         (expand_omp_taskreg): Make sure to generate early debug before
11556         outlining anything from a function.
11557         (expand_omp_target): Likewise.
11558         (grid_expand_target_grid_body): Likewise.
11559
11560 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
11561
11562         PR lto/79061
11563         * asan.c (get_translation_unit_decl): New function.
11564         (asan_add_global): Extract modules file name from globals
11565         TRANSLATION_UNIT_DECL name.
11566
11567 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11568
11569         PR target/77439
11570         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
11571         for long calls with APCS frame and VFP.
11572
11573 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
11574
11575         * cfg.c (original_copy_tables_initialized_p): New function.
11576         * cfg.h (original_copy_tables_initialized_p): New decl.
11577         * cfgrtl.c (relink_block_chain): Guard the call to
11578         free_original_copy_tables with a call to
11579         original_copy_tables_initialized_p.
11580         * cgraph.h (symtab_node::native_rtl_p): New decl.
11581         * cgraphunit.c (symtab_node::native_rtl_p): New function.
11582         (symtab_node::needed_p): Don't assert for early assembly output
11583         for __RTL functions.
11584         (cgraph_node::finalize_function): Set "force_output" for __RTL
11585         functions.
11586         (cgraph_node::analyze): Bail out early for __RTL functions.
11587         (analyze_functions): Update assertion to support __RTL functions.
11588         (cgraph_node::expand): Bail out early for __RTL functions.
11589         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
11590         __RTL functions.
11591         * function.h (struct function): Update comment for field
11592         "pass_startwith".
11593         * gimple-expr.c: Include "tree-pass.h".
11594         (gimple_has_body_p): Return false for __RTL functions.
11595         * Makefile.in (OBJS): Add run-rtl-passes.o.
11596         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
11597         accessor.
11598         (gcc::pass_manager::get_clean_slate): New accessor.
11599         * passes.c: Include "insn-addr.h".
11600         (should_skip_pass_p): Add logging.  Update logic for running
11601         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
11602         property-provider override so it is only done for gimple passes.
11603         Don't skip dfinit.
11604         (skip_pass): New function.
11605         (execute_one_pass): Call skip_pass when skipping passes.
11606         * read-md.c (md_reader::read_char): Support filtering
11607         the input to a subset of line numbers.
11608         (md_reader::md_reader): Initialize fields
11609         m_first_line and m_last_line.
11610         (md_reader::read_file_fragment): New function.
11611         * read-md.h (md_reader::read_file_fragment): New decl.
11612         (md_reader::m_first_line): New field.
11613         (md_reader::m_last_line): New field.
11614         * read-rtl-function.c (function_reader::create_function): Only
11615         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
11616         curr_properties.  Set DECL_INITIAL to a dummy block.
11617         (read_rtl_function_body_from_file_range): New function.
11618         * read-rtl-function.h (read_rtl_function_body_from_file_range):
11619         New decl.
11620         * run-rtl-passes.c: New file.
11621         * run-rtl-passes.h: New file.
11622
11623 2017-01-24  Jeff Law  <law@redhat.com>
11624
11625         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
11626         buffer size.
11627
11628 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
11629
11630         PR tree-optimization/79159
11631         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
11632         (record_nonwrapping_iv): Improve boundary using above function if no
11633         value range information.
11634
11635 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
11636             Martin Jambor  <mjambor@suse.cz>
11637
11638         * brig-builtins.def: New file.
11639         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
11640         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
11641         (DEF_HSAIL_SAT_BUILTIN): Likewise.
11642         (DEF_HSAIL_INTR_BUILTIN): Likewise.
11643         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
11644         * builtin-types.def (BT_INT8): New.
11645         (BT_INT16): Likewise.
11646         (BT_UINT8): Likewise.
11647         (BT_UINT16): Likewise.
11648         (BT_FN_ULONG): Likewise.
11649         (BT_FN_UINT_INT): Likewise.
11650         (BT_FN_UINT_ULONG): Likewise.
11651         (BT_FN_UINT_LONG): Likewise.
11652         (BT_FN_UINT_PTR): Likewise.
11653         (BT_FN_ULONG_PTR): Likewise.
11654         (BT_FN_INT8_FLOAT): Likewise.
11655         (BT_FN_INT16_FLOAT): Likewise.
11656         (BT_FN_UINT32_FLOAT): Likewise.
11657         (BT_FN_UINT16_FLOAT): Likewise.
11658         (BT_FN_UINT8_FLOAT): Likewise.
11659         (BT_FN_UINT64_FLOAT): Likewise.
11660         (BT_FN_UINT16_UINT32): Likewise.
11661         (BT_FN_UINT32_UINT16): Likewise.
11662         (BT_FN_UINT16_UINT16_UINT16): Likewise.
11663         (BT_FN_INT_PTR_INT): Likewise.
11664         (BT_FN_UINT_PTR_UINT): Likewise.
11665         (BT_FN_LONG_PTR_LONG): Likewise.
11666         (BT_FN_ULONG_PTR_ULONG): Likewise.
11667         (BT_FN_VOID_UINT64_UINT64): Likewise.
11668         (BT_FN_UINT8_UINT8_UINT8): Likewise.
11669         (BT_FN_INT8_INT8_INT8): Likewise.
11670         (BT_FN_INT16_INT16_INT16): Likewise.
11671         (BT_FN_INT_INT_INT): Likewise.
11672         (BT_FN_UINT_FLOAT_UINT): Likewise.
11673         (BT_FN_FLOAT_UINT_UINT): Likewise.
11674         (BT_FN_ULONG_UINT_UINT): Likewise.
11675         (BT_FN_ULONG_UINT_PTR): Likewise.
11676         (BT_FN_ULONG_ULONG_ULONG): Likewise.
11677         (BT_FN_UINT_UINT_UINT): Likewise.
11678         (BT_FN_VOID_UINT_PTR): Likewise.
11679         (BT_FN_UINT_UINT_PTR: Likewise.
11680         (BT_FN_UINT32_UINT64_PTR): Likewise.
11681         (BT_FN_INT_INT_UINT_UINT): Likewise.
11682         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
11683         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
11684         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
11685         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
11686         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
11687         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
11688         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
11689         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
11690         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
11691         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
11692         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
11693         * doc/frontends.texi: List BRIG FE.
11694         * doc/install.texi (Testing): Add BRIG tesring requirements.
11695         * doc/invoke.texi (Overall Options): Mention BRIG.
11696         * doc/standards.texi (Standards): Doucment BRIG HSA version.
11697
11698 2017-01-24  Richard Biener  <rguenther@suse.de>
11699
11700         PR translation/79208
11701         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
11702
11703 2017-01-24  Martin Jambor  <mjambor@suse.cz>
11704
11705         PR bootstrap/79198
11706         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
11707         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
11708         and known_contexts.
11709
11710 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
11711
11712         PR middle-end/79123
11713         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
11714         casts from signed to unsigned really don't have a range.
11715
11716 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
11717
11718         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
11719         GMP_RNDx for compatiblity.
11720
11721 2017-01-24  Martin Liska  <mliska@suse.cz>
11722
11723         PR bootstrap/79132
11724         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
11725         that would prevent us to call alloca with -1 as argument.
11726
11727 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
11728
11729         * dwarf2out.c (output_compilation_unit_header, output_file_names):
11730         Avoid -Wformat-security warning.
11731
11732 2017-01-23  Andrew Pinski  <apinski@cavium.com>
11733
11734         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
11735         cost table.
11736
11737 2017-01-23  Martin Sebor  <msebor@redhat.com>
11738
11739         PR middle-end/78703
11740         * gimple-ssa-sprintf.c (warn_level): New global.
11741         (format_integer): Use it here and throughout the rest of the file.
11742         Use the same switch to compute sign as base.
11743         (maybe_warn): New function.
11744         (format_directive): Factor out warnings into maybe_warn.
11745         Add debugging output.  Use warn_level.
11746         (add_bytes): Use warn_level.
11747         (pass_sprintf_length::compute_format_length): Add debugging output.
11748         (try_substitute_return_value): Same.
11749         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
11750
11751         PR middle-end/78703
11752         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
11753         (struct fmtresult, format_integer, format_floating): Adjust.
11754         (fmtresult::fmtresult): Set max correctly in two argument ctor.
11755         (get_string_length, format_string,format_directive): Same.
11756         (pass_sprintf_length::compute_format_length): Same.
11757         (try_substitute_return_value): Simplify slightly.
11758
11759         PR middle-end/78703
11760         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
11761         (fmtresult::operator+=): Outlined.
11762         (struct fmtresult): Add ctors.
11763         (struct conversion_spec): Rename...
11764         (struct directive): ...to this.  Add and remove data members.
11765         (directive::set_width, directive::set_precision): New functions.
11766         (format_percent): Use fmtresult ctor.
11767         (get_width_and_precision): Remove.
11768         (format_integer): Make naming changes.  Avoid computing width and
11769         precision.
11770         (format_floating): Same.  Adjust indentation.
11771         (format_character, format_none): New functions.
11772         (format_string): Moved character handling to format_character.
11773         (format_directive): Remove arguments, change return type.
11774         (parse_directive): New function.
11775         (pass_sprintf_length::compute_format_length): Move directive
11776         parsing to parse_directive.
11777
11778 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11779
11780         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
11781         (assign_assembler_name_if_needed): ... this.
11782         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
11783         (assign_assembler_name_if_needed): ... this.
11784         (free_lang_data_in_cgraph): Adjust callers.
11785         * cgraphunit.c (cgraph_node::analyze): Likewise.
11786         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
11787         Likewise.
11788
11789 2017-01-23  Richard Biener  <rguenther@suse.de>
11790
11791         PR tree-optimization/79088
11792         PR tree-optimization/79188
11793         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
11794         resetting loop bounds after last path deletion.  Reset loop
11795         bounds of the target loop, make code match the comments.
11796         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
11797         Make sure loops need no fixups.
11798
11799 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11800
11801         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
11802         exponent support with double type for first argument.
11803         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
11804         type returned by __builtin_vec_extract_sig,
11805         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
11806         functions from "vector int" to "vector unsigned int" or from
11807         "vector long long int" to "vector unsigned long long int".
11808         Changed type returned by __builtin_vec_extract_exp,
11809         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
11810         functions from "vector int" to "vector unsigned int" or from
11811         "vector long long int" to "vector unsigned long long int".
11812         Changed return type of __builtin_vec_test_data_class,
11813         __builtin_vec_test_data_class_sp, and
11814         __builtin_vec_test_data_class_dp from "vector int" to
11815         "vector bool int" or from "vector long long int" to "vector bool
11816         long long int" and changed second argument type from "unsigned
11817         int" to "int".  Added new overloaded function forms "vector float
11818         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
11819         "vector float __builtin_vec_insert_exp_sp (vector float, vector
11820         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
11821         double, vector unsigned long long int)" and "vector double
11822         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
11823         long int)".  Changed return type of
11824         __builtin_scalar_test_data_class and
11825         __builtin_scalar_test_data_class_sp and
11826         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
11827         int" and changed second argument from "unsigned int" to "int".
11828         Changed type returned by __builtin_scalar_test_neg,
11829         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
11830         from "int" to "bool int".  Added new overloaded function form
11831         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
11832         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
11833         exponent double-precision with floating point first argument.
11834         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
11835         documentation of scalar_test_data_class, scalar_test_neg,
11836         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
11837         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
11838         vec_test_data_class built-in functions to reflect refinements in
11839         their type signatures.
11840
11841 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
11842
11843         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
11844         size of buf.
11845         (aarch64_elf_asm_destructor): Likewise.
11846
11847 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
11848
11849         PR rtl-optimization/78634
11850         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
11851         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
11852         * ifcvt.c (noce_try_cmove): Add missing cost check.
11853
11854         PR rtl-optimization/71724
11855         * combine.c (if_then_else_cond): Look for situations where it is
11856         beneficial to undo the work of one of the recursive calls.
11857
11858 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
11859
11860         PR tree-optimization/70754
11861         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
11862         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
11863         combined stmt before it if not NULL.
11864         (combine_chains): Process refs reversely and compute dominance point
11865         for root ref.
11866
11867 2017-01-23  Martin Liska  <mliska@suse.cz>
11868
11869         PR tree-optimization/79196
11870         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
11871         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
11872         instead of memcmp.
11873         (strlen_optimize_stmt): Call the renamed function.
11874
11875 2017-01-23  Michael Matz  <matz@suse.de>
11876
11877         PR tree-optimization/78384
11878         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
11879
11880 2017-01-23  Richard Biener  <rguenther@suse.de>
11881
11882         PR tree-optimization/79186
11883         * tree-vrp.c (register_new_assert_for): Make sure we've seen
11884         both incoming edges before moving an assert.
11885
11886 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11887
11888         * ipa-prop.c (load_from_param_1): Removed.
11889         (load_from_unmodified_param): Bits from load_from_param_1 put back
11890         here.
11891         (load_from_param): Removed.
11892         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
11893         with stmt.  Reverted back to use of load_from_unmodified_param.
11894
11895 2017-01-23  Martin Jambor  <mjambor@suse.cz>
11896
11897         PR ipa/79108
11898         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
11899         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
11900         field a pointer to garbage collected vector, mark lattices and
11901         ipcp_orig_node with GTY((skip)).
11902         (ipa_get_param_count): Adjust to descriptors being a pointer.
11903         (ipa_get_param): Likewise.
11904         (ipa_get_type): Likewise.
11905         (ipa_get_param_move_cost): Likewise.
11906         (ipa_set_param_used): Likewise.
11907         (ipa_get_controlled_uses): Likewise.
11908         (ipa_set_controlled_uses): Likewise.
11909         (ipa_is_param_used): Likewise.
11910         (ipa_node_params_t): Move into garbage collector.  New methods insert
11911         and remove.
11912         (ipa_node_params_sum): Annotate wth GTY(()).
11913         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
11914         garbage collected.
11915         (ipa_load_from_parm_agg): Adjust declaration.
11916         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
11917         * ipa-profile.c (ipa_profile): Likewise.
11918         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
11919         (ipa_populate_param_decls): Make descriptors parameter garbage
11920         collected.
11921         (ipa_dump_param): Adjust to descriptors being a pointer.
11922         (ipa_alloc_node_params): Likewise.
11923         (ipa_initialize_node_params): Likewise.
11924         (load_from_param_1): Make descriptors parameter garbage collected.
11925         (load_from_unmodified_param): Likewise.
11926         (load_from_param): Likewise.
11927         (ipa_load_from_parm_agg): Likewise.
11928         (ipa_node_params::~ipa_node_params): Removed.
11929         (ipa_free_all_node_params): Remove call to delete operator.
11930         (ipa_node_params_t::insert): New.
11931         (ipa_node_params_t::remove): Likewise.
11932         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
11933         copy known_csts and known_contexts vectors.
11934         (ipa_read_node_info): Adjust to descriptors being a pointer.
11935         (ipcp_modif_dom_walker): Make m_descriptors field garbage
11936         collected.
11937         (ipcp_transform_function): Make descriptors variable garbage
11938         collected.
11939
11940 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
11941
11942         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
11943         * config/i386/avx512dqintrin.h: Ditto.
11944         * config/i386/avx512fintrin.h: Ditto.
11945         * gcc/config/i386/i386.c: Handle new builtins.
11946         * config/i386/i386-builtin.def: Add new builtins.
11947         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
11948         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
11949
11950 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
11951             Martin Liska  <mliska@suse.cz>
11952
11953         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
11954         * asan.c (asan_expand_poison_ifn): Support stores and use
11955         appropriate ASAN report function.
11956         * internal-fn.c (expand_ASAN_POISON_USE): New function.
11957         * internal-fn.def (ASAN_POISON_USE): Declare.
11958         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
11959         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
11960         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
11961         ASAN_POISON calls w/o LHS.
11962         * tree-ssa.c (execute_update_addresses_taken): Create clobber
11963         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
11964         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
11965         * gimplify.c (asan_poison_variables): Add attribute
11966         use_after_scope_memory to variables that really needs to live
11967         in memory.
11968         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
11969         having the attribute.
11970
11971 2017-01-23  Martin Liska  <mliska@suse.cz>
11972
11973         * asan.c (create_asan_shadow_var): New function.
11974         (asan_expand_poison_ifn): Likewise.
11975         * asan.h (asan_expand_poison_ifn): New declaration.
11976         * internal-fn.c (expand_ASAN_POISON): Likewise.
11977         * internal-fn.def (ASAN_POISON): New builtin.
11978         * sanopt.c (pass_sanopt::execute): Expand
11979         asan_expand_poison_ifn.
11980         * tree-inline.c (copy_decl_for_dup_finish): Make function
11981         external.
11982         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
11983         * tree-ssa.c (is_asan_mark_p): New function.
11984         (execute_update_addresses_taken): Rewrite local variables
11985         (identified just by use-after-scope as addressable) into SSA.
11986
11987 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11988
11989         * doc/install.texi (Specific): opensource.apple.com uses https
11990         now. Remove trailing slash.
11991
11992 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
11993
11994         * README.Portability: Remove note on an Irix compatibility issue.
11995
11996 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
11997
11998         * gcov.c (INCLUDE_ALGORITHM): Define.
11999         (INCLUDE_VECTOR): Define.
12000         No longer include <vector> and <algorithm> directly.
12001
12002 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
12003
12004         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
12005         to https.
12006         * doc/invoke.texi (Code Gen Options): Ditto.
12007
12008 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
12009
12010         PR lto/78407
12011         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
12012
12013 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
12014
12015         rtl-optimization/79125
12016         * cprop.c (local_cprop_pass): Handle cases where we make an
12017         unconditional trap.
12018
12019 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
12020
12021         PR target/61729
12022         PR target/77850
12023         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
12024         read from, for big endian.
12025
12026 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
12027
12028         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
12029         register pauth builtins for LP64 only.
12030
12031 2017-01-20  Marek Polacek  <polacek@redhat.com>
12032
12033         PR c/79152
12034         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
12035         non-case labels.
12036
12037 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
12038
12039         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
12040         of safelen status.
12041         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
12042         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
12043         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
12044
12045 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12046
12047         PR target/71270
12048         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
12049         in big-endian mode when they are not a single duplicated value.
12050
12051 2017-01-20  Richard Biener  <rguenther@suse.de>
12052
12053         * BASE-VER: Bump to 7.0.1.
12054
12055 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
12056
12057         * omp-low.c (omplow_simd_context): New struct.  Use it...
12058         (lower_rec_simd_input_clauses): ...here and...
12059         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
12060         references to idx, lane, max_vf, is_simt.
12061
12062 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
12063
12064         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
12065         mcpu=nps400.
12066
12067 2017-01-20  Martin Jambor  <mjambor@suse.cz>
12068
12069         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
12070         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
12071         gt-hsa-common.h.
12072         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
12073         (GTFILES): Rename hsa.c to hsa-common.c.
12074         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
12075         * hsa-dump.c: Likewise.
12076         * hsa-gen.c: Likewise.
12077         * hsa-regalloc.c: Likewise.
12078         * ipa-hsa.c: Likewise.
12079         * omp-expand.c: Likewise.
12080         * omp-low.c: Likewise.
12081         * toplev.c: Likewise.
12082
12083 2017-01-20  Marek Polacek  <polacek@redhat.com>
12084
12085         PR c/64279
12086         * doc/invoke.texi: Document -Wduplicated-branches.
12087         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
12088         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
12089         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
12090         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
12091         return 0 only when not OEP_LEXICOGRAPHIC.
12092         (fold_build_cleanup_point_expr): Use the expression
12093         location when building CLEANUP_POINT_EXPR.
12094         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
12095         * tree.c (add_expr): Handle error_mark_node.
12096
12097 2017-01-20  Martin Liska  <mliska@suse.cz>
12098
12099         PR lto/69188
12100         * tree-profile.c (init_ic_make_global_vars): Do not call
12101         finalize_decl.
12102         (gimple_init_gcov_profiler): Likewise.
12103
12104 2017-01-20  Martin Liska  <mliska@suse.cz>
12105
12106         PR ipa/71190
12107         * cgraph.h (maybe_create_reference): Remove argument and
12108         update comment.
12109         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
12110         argument.
12111         * ipa-cp.c (create_specialized_node): Likewise.
12112         * symtab.c (symtab_node::maybe_create_reference): Handle
12113         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
12114
12115 2017-01-20  Martin Liska  <mliska@suse.cz>
12116
12117         * read-rtl-function.c (function_reader::create_function): Use
12118         build_decl instread of build_decl_stat.
12119
12120 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
12121
12122         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
12123         * config/i386/avx512dqintrin.h: Ditto.
12124         * config/i386/avx512fintrin.h: Ditto.
12125         * config/i386/i386-builtin-types.def: Add new types.
12126         * gcc/config/i386/i386.c: Handle new types.
12127         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
12128         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
12129         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
12130         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
12131         (__builtin_ia32_kshiftridi): New.
12132         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
12133
12134 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
12135
12136         PR target/78875
12137         PR target/79140
12138         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
12139         define to rs6000_init_stack_protect_guard.
12140         (rs6000_init_stack_protect_guard): New function.
12141
12142 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
12143             Yunqiang Su  <yunqiang.su@imgtec.com>
12144
12145         * config.gcc (supported_defaults): Add madd4.
12146         (with_madd4): Add validation.
12147         (all_defaults): Add madd4.
12148         * config/mips/mips.opt (mmadd4): New option.
12149         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
12150         mmadd4.
12151         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
12152         __mips_no_madd4.
12153         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
12154         (ISA_HAS_FUSED_MADD4): Likewise.
12155         * gcc/doc/invoke.texi (-mmadd4): Document the new option.
12156         * gcc/doc/install.texi (--with-madd4): Document the new option.
12157
12158 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
12159
12160         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
12161         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
12162         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
12163         (aarch64_init_pauth_hint_builtins): New.
12164         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
12165         (aarch64_expand_builtin): Expand new builtins.
12166
12167 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
12168
12169         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
12170         * combine-stack-adj.c (no_unhandled_cfa): Handle
12171         REG_CFA_TOGGLE_RA_MANGLE.
12172         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
12173         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
12174         info for return address signing.
12175         (aarch64_expand_epilogue): Likewise.
12176
12177 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
12178
12179         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
12180         * config/aarch64/aarch64-protos.h
12181         (aarch64_return_address_signing_enabled): New declaration.
12182         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
12183         New function.
12184         (aarch64_expand_prologue): Sign return address before it's pushed onto
12185         stack.
12186         (aarch64_expand_epilogue): Authenticate return address fetched from
12187         stack.
12188         (aarch64_override_options): Sanity check for ILP32 and ISA level.
12189         (aarch64_attributes): New function attributes for "sign-return-address".
12190         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
12191         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
12192         ("*do_return"): Generate combined instructions according to key index.
12193         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
12194         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
12195         iterators.
12196         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
12197         * config/aarch64/aarch64.opt (msign-return-address=): New.
12198         * doc/extend.texi (AArch64 Function Attributes): Documents
12199         "sign-return-address=".
12200         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
12201
12202 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
12203
12204         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
12205         overall option summary.
12206
12207 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
12208
12209         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
12210         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
12211         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
12212         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
12213
12214 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
12215
12216         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
12217         -mpower9-minmax by default for -mcpu=power9.
12218         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
12219         128-bit floating point.
12220
12221 2017-01-20  Alan Modra  <amodra@gmail.com>
12222
12223         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
12224         optimizing for size.
12225
12226 2017-01-20  Alan Modra  <amodra@gmail.com>
12227
12228         PR target/79144
12229         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
12230         for strcmp and strncmp from corresponding builtin decl.
12231
12232 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
12233
12234         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
12235         instead of i386/rtems-64.h.
12236         * config/i386/rtems-64.h: Remove.
12237
12238 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
12239
12240         PR target/78478
12241         Revert:
12242         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
12243
12244         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
12245
12246 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
12247
12248         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
12249         Change int to HOST_WIDE_INT.
12250         * config/aarch64/aarch64-protos.h
12251         (aarch64_simd_gen_const_vector_dup): Likewise.
12252         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
12253
12254 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
12255
12256         * langhooks-def.h (lhd_type_for_size): New decl.
12257         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
12258         * langhooks.c (lhd_type_for_size): New function, taken from
12259         lto_type_for_size.
12260
12261 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
12262
12263         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
12264         define_bypass for CR latency.
12265         (power9-cracked-alu): Update bypass latency and remove power9-branch.
12266         (power9-alu2): Add define_bypass for CR latency.
12267         (power9-cmp): New.
12268         (power9-mul): Update insn latency.
12269         (power9-mul-compare): Update insn latency, bypass latency and remove
12270         power9-branch.
12271
12272 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12273
12274         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
12275         Delete.
12276         * config/aarch64/aarch64.md
12277         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
12278         aarch64_nopcrelative_literal_loads.
12279         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
12280
12281 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
12282
12283         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
12284         TARGET_LOONGSON_3A.
12285         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
12286
12287 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
12288
12289         PR target/78176
12290         * config.gcc (supported_defaults): Add lxc1-sxc1.
12291         (with_lxc1_sxc1): Add validation.
12292         (all_defaults): Add lxc1-sxc1.
12293         * config/mips/mips.opt (mlxc1-sxc1): New option.
12294         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
12295         mlxc1-sxc1.
12296         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
12297         __mips_no_lxc1_sxc1.
12298         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
12299         * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
12300         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
12301
12302 2017-01-19  Richard Biener  <rguenther@suse.de>
12303
12304         PR tree-optimization/72488
12305         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
12306         sure to restore SSA info.
12307         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
12308
12309 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
12310
12311         PR rtl-optimization/79121
12312         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
12313         of the inner type when shifting an extended value.
12314
12315 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
12316
12317         PR lto/78407
12318         * symtab.c (symtab_node::equal_address_to): Fix comparing of
12319         interposable aliases.
12320
12321 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
12322
12323         PR target/78516
12324         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
12325         Use the evmergelohi instruction.
12326         (mov_si<mode>_e500_subreg4_2_le): Likewise.
12327         (mov_sitf_e500_subreg8_2_be): Likewise.
12328         (mov_sitf_e500_subreg12_2_le): Likewise.
12329         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
12330         (mov_si<mode>_e500_subreg4_2_be): Likewise.
12331         (mov_sitf_e500_subreg8_2_le): Likewise.
12332         (mov_sitf_e500_subreg12_2_be): Likewise.
12333
12334 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12335
12336         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
12337         attribute from vecsimple to vecperm.
12338         (altivec_vbpermq2): Likewise.
12339
12340 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12341
12342         PR target/79040
12343         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
12344
12345 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
12346         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
12347         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
12348         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
12349         case where N arg is SIZE_MAX.
12350         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
12351         (cmpstrsi): Add pattern.
12352
12353 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
12354
12355         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12356         __builtin_vec_revb builtins.
12357         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
12358         built-in functions to support generation of the ISA 3.0 XXBR<x>
12359         vector byte reverse instructions.
12360         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
12361         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
12362         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
12363         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
12364         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
12365         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
12366         (P9V_BUILTIN_VEC_REVB): Likewise.
12367         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
12368         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
12369         (p9_xxbrq_v16qi): Likewise.
12370         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
12371         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
12372         (p9_xxbrh_v8hi): Likewise.
12373         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
12374         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
12375         vec_revb built-in functions.
12376
12377 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
12378
12379         PR rtl-optimization/78952
12380         * config/i386/i386.md (any_extract): New code iterator.
12381         (*insvqi_2): Use any_extract for source operand.
12382         (*insvqi_3): Use any_shiftrt for source operand.
12383
12384 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
12385
12386         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
12387         New function.
12388         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
12389
12390 2017-01-18  Matthias Klose  <doko@ubuntu.com>
12391
12392         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
12393
12394 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12395
12396         * config/rs6000/altivec.h (vec_bperm): Change #define.
12397         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
12398         (altivec_vbpermq2): New define_insn.
12399         (altivec_vbpermd): Likewise.
12400         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
12401         function interface.
12402         (VBPERMD): Likewise.
12403         (VBPERM): New polymorphic function interface.
12404         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
12405         Add entries for P9V_BUILTIN_VEC_VBPERM.
12406         * doc/extend.texi: Add interfaces for vec_bperm.
12407
12408 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12409
12410         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
12411         first letter of error messages.
12412         (s390_resolve_overloaded_builtin): Likewise.
12413         * config/s390/s390.c (s390_expand_builtin): Likewise.
12414         (s390_invalid_arg_for_unprototyped_fn): Likewise.
12415         (s390_valid_target_attribute_inner_p): Likewise.
12416         * config/s390/s390.md ("tabort"): Likewise.
12417
12418 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
12419
12420         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
12421         (ISA_AVOID_DIV_HILO): New macro.
12422         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
12423         (ISA_HAS_DDIV): Likewise.
12424
12425 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
12426
12427         * doc/invoke.texi (fabi-version): Correct number of occurrences.
12428
12429 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
12430
12431         * doc/invoke.texi (fabi-version): Spelling fix.
12432
12433 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
12434
12435         PR c++/70182
12436         * doc/invoke.texi (fabi-version): Mention mangling fix for
12437         operator names.
12438
12439 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
12440
12441         PR c++/77489
12442         * doc/invoke.texi (fabi-version): Document discriminator mangling.
12443
12444 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
12445
12446         PR target/78875
12447         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
12448         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
12449         the new options.
12450         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
12451         flexible settings.
12452         (stack_protect_test): Ditto.
12453         * config/rs6000/rs6000.opt (mstack-protector-guard=,
12454         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
12455         options.
12456         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
12457         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
12458         -mstack-protector-guard-offset=.
12459         (RS/6000 and PowerPC Options): Ditto.
12460
12461 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
12462
12463         * config/i386/i386.h (MASK_CLASS_P): New define.
12464         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
12465         there are no registers from different register sets also when
12466         mask registers are used.  Update function comment.
12467         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
12468         to (*k/*r) and (*k/*km) alternatives.
12469
12470 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
12471
12472         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
12473         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
12474         (EH_RETURN_HANDLER_RTX): New define.
12475         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
12476         Force frame pointer in EH return functions.
12477         (aarch64_expand_epilogue): Add barrier for eh_return.
12478         (aarch64_final_eh_return_addr): Remove.
12479         (aarch64_eh_return_handler_rtx): New function.
12480         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
12481         Remove.
12482         (aarch64_eh_return_handler_rtx): New prototype.
12483
12484 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12485
12486         * config/rs6000/altivec.h (vec_rlmi): New #define.
12487         (vec_vrlnm): Likewise.
12488         (vec_rlnm): Likewise.
12489         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
12490         (UNSPEC_VRLNM): Likewise.
12491         (VIlong): New mode iterator.
12492         (altivec_vrl<VI_char>mi): New define_insn.
12493         (altivec_vrl<VI_char>nm): Likewise.
12494         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
12495         function entry.
12496         (VRLDNM): Likewise.
12497         (RLNM): New polymorphic function entry.
12498         (VRLWMI): New monomorphic function entry.
12499         (VRLDMI): Likewise.
12500         (RLMI): New polymorphic function entry.
12501         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
12502         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
12503         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
12504         vec_vrlnm.
12505
12506 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12507
12508         PR debug/78839
12509         * dwarf2out.c (field_byte_offset): Restore the
12510         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
12511         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
12512         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
12513         of build2 + fold.
12514
12515 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12516
12517         PR ada/67205
12518         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
12519
12520 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12521
12522         PR debug/71669
12523         * dwarf2out.c (add_data_member_location_attribute): For constant
12524         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
12525         instead of DW_AT_data_member_location, DW_AT_bit_offset and
12526         DW_AT_byte_size attributes.
12527
12528 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
12529
12530         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
12531         after forcing to constant memory when the code model is medium.
12532
12533 2017-01-17  Julia Koval  <julia.koval@intel.com>
12534
12535         PR target/76731
12536         * config/i386/avx512fintrin.h
12537         (_mm512_i32gather_ps): Change __addr type to void const*.
12538         (_mm512_mask_i32gather_ps): Ditto.
12539         (_mm512_i32gather_pd): Ditto.
12540         (_mm512_mask_i32gather_pd): Ditto.
12541         (_mm512_i64gather_ps): Ditto.
12542         (_mm512_mask_i64gather_ps): Ditto.
12543         (_mm512_i64gather_pd): Ditto.
12544         (_mm512_mask_i64gather_pd): Ditto.
12545         (_mm512_i32gather_epi32): Ditto.
12546         (_mm512_mask_i32gather_epi32): Ditto.
12547         (_mm512_i32gather_epi64): Ditto.
12548         (_mm512_mask_i32gather_epi64): Ditto.
12549         (_mm512_i64gather_epi32): Ditto.
12550         (_mm512_mask_i64gather_epi32): Ditto.
12551         (_mm512_i64gather_epi64): Ditto.
12552         (_mm512_mask_i64gather_epi64): Ditto.
12553         (_mm512_i32scatter_ps): Change __addr type to void*.
12554         (_mm512_mask_i32scatter_ps): Ditto.
12555         (_mm512_i32scatter_pd): Ditto.
12556         (_mm512_mask_i32scatter_pd): Ditto.
12557         (_mm512_i64scatter_ps): Ditto.
12558         (_mm512_mask_i64scatter_ps): Ditto.
12559         (_mm512_i64scatter_pd): Ditto.
12560         (_mm512_mask_i64scatter_pd): Ditto.
12561         (_mm512_i32scatter_epi32): Ditto.
12562         (_mm512_mask_i32scatter_epi32): Ditto.
12563         (_mm512_i32scatter_epi64): Ditto.
12564         (_mm512_mask_i32scatter_epi64): Ditto.
12565         (_mm512_i64scatter_epi32): Ditto.
12566         (_mm512_mask_i64scatter_epi32): Ditto.
12567         (_mm512_i64scatter_epi64): Ditto.
12568         (_mm512_mask_i64scatter_epi64): Ditto.
12569         * config/i386/avx512pfintrin.h
12570         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
12571         (_mm512_mask_prefetch_i32gather_ps): Ditto.
12572         (_mm512_mask_prefetch_i64gather_pd): Ditto.
12573         (_mm512_mask_prefetch_i64gather_ps): Ditto.
12574         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
12575         (_mm512_prefetch_i32scatter_ps): Ditto.
12576         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
12577         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
12578         (_mm512_prefetch_i64scatter_pd): Ditto.
12579         (_mm512_prefetch_i64scatter_ps): Ditto.
12580         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
12581         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
12582         * config/i386/avx512vlintrin.h
12583         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
12584         (_mm_mmask_i32gather_ps): Ditto.
12585         (_mm256_mmask_i32gather_pd): Ditto.
12586         (_mm_mmask_i32gather_pd): Ditto.
12587         (_mm256_mmask_i64gather_ps): Ditto.
12588         (_mm_mmask_i64gather_ps): Ditto.
12589         (_mm256_mmask_i64gather_pd): Ditto.
12590         (_mm_mmask_i64gather_pd): Ditto.
12591         (_mm256_mmask_i32gather_epi32): Ditto.
12592         (_mm_mmask_i32gather_epi32): Ditto.
12593         (_mm256_mmask_i32gather_epi64): Ditto.
12594         (_mm_mmask_i32gather_epi64): Ditto.
12595         (_mm256_mmask_i64gather_epi32): Ditto.
12596         (_mm_mmask_i64gather_epi32): Ditto.
12597         (_mm256_mmask_i64gather_epi64): Ditto.
12598         (_mm_mmask_i64gather_epi64): Ditto.
12599         (_mm256_i32scatter_ps): Change __addr type to void*.
12600         (_mm256_mask_i32scatter_ps): Ditto.
12601         (_mm_i32scatter_ps): Ditto.
12602         (_mm_mask_i32scatter_ps): Ditto.
12603         (_mm256_i32scatter_pd): Ditto.
12604         (_mm256_mask_i32scatter_pd): Ditto.
12605         (_mm_i32scatter_pd): Ditto.
12606         (_mm_mask_i32scatter_pd): Ditto.
12607         (_mm256_i64scatter_ps): Ditto.
12608         (_mm256_mask_i64scatter_ps): Ditto.
12609         (_mm_i64scatter_ps): Ditto.
12610         (_mm_mask_i64scatter_ps): Ditto.
12611         (_mm256_i64scatter_pd): Ditto.
12612         (_mm256_mask_i64scatter_pd): Ditto.
12613         (_mm_i64scatter_pd): Ditto.
12614         (_mm_mask_i64scatter_pd): Ditto.
12615         (_mm256_i32scatter_epi32): Ditto.
12616         (_mm256_mask_i32scatter_epi32): Ditto.
12617         (_mm_i32scatter_epi32): Ditto.
12618         (_mm_mask_i32scatter_epi32): Ditto.
12619         (_mm256_i32scatter_epi64): Ditto.
12620         (_mm256_mask_i32scatter_epi64): Ditto.
12621         (_mm_i32scatter_epi64): Ditto.
12622         (_mm_mask_i32scatter_epi64): Ditto.
12623         (_mm256_i64scatter_epi32): Ditto.
12624         (_mm256_mask_i64scatter_epi32): Ditto.
12625         (_mm_i64scatter_epi32): Ditto.
12626         (_mm_mask_i64scatter_epi32): Ditto.
12627         (_mm256_i64scatter_epi64): Ditto.
12628         (_mm256_mask_i64scatter_epi64): Ditto.
12629         (_mm_i64scatter_epi64): Ditto.
12630         (_mm_mask_i64scatter_epi64): Ditto.
12631         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
12632         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
12633         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
12634         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
12635         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
12636         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
12637         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
12638         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
12639         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
12640         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
12641         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
12642         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
12643         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
12644         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
12645         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
12646         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
12647         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
12648         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
12649         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
12650         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
12651         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
12652         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
12653         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
12654         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
12655         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
12656         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
12657         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
12658         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
12659         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
12660         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
12661         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
12662         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
12663         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
12664         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
12665         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
12666         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
12667         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
12668         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
12669         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
12670         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
12671         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
12672         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
12673         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
12674         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
12675         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
12676         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
12677         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
12678         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
12679         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
12680         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
12681         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
12682         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
12683         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
12684         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
12685         definitions accordingly.
12686
12687 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
12688             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
12689
12690         PR target/79079
12691         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
12692         gen_lowpart.
12693
12694 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
12695
12696         PR target/79058
12697         * ira-conflicts.c (ira_build_conflicts): Update total conflict
12698         hard regs for inner regno.
12699
12700 2017-01-17  Martin Liska  <mliska@suse.cz>
12701
12702         PR ipa/71207
12703         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
12704         assumption and add comment.
12705
12706 2017-01-17  Nathan Sidwell  <nathan@acm.org>
12707
12708         * ipa-visibility.c (localize_node): New function, broken out of ...
12709         (function_and_variable_visibility): ... here. Call it.
12710
12711 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
12712
12713         PR middle-end/77445
12714         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
12715         correctly set frequency of oudgoing edge.
12716         (duplicate_thread_path): Fix profile updating.
12717
12718 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
12719
12720         PR other/79046
12721         * configure.ac: Add GCC_BASE_VER.
12722         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
12723         version from BASE-VER file.
12724         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
12725         (gcc.o): Depend on $(BASEVER).
12726         * common.opt (dumpfullversion): New option.
12727         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
12728         * doc/invoke.texi: Document -dumpfullversion.
12729         * doc/install.texi: Document --with-gcc-major-version-only.
12730         * configure: Regenerated.
12731
12732 2017-01-17  Richard Biener  <rguenther@suse.de>
12733
12734         PR tree-optimization/71433
12735         * tree-vrp.c (register_new_assert_for): Merge same asserts
12736         on all incoming edges.
12737         (process_assert_insertions_for): Handle insertions at the
12738         beginning of BBs.
12739
12740 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
12741
12742         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
12743         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
12744
12745 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
12746
12747         PR target/78633
12748         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
12749         RTL sharing.
12750
12751 2017-01-17  Alan Modra  <amodra@gmail.com>
12752
12753         PR target/79066
12754         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
12755         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
12756         symbolic stack limit when pic.
12757
12758 2017-01-16  Martin Sebor  <msebor@redhat.com>
12759
12760         PR tree-optimization/78608
12761         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
12762
12763 2017-01-16  Jeff Law  <law@redhat.com>
12764
12765         Revert:
12766         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
12767         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
12768         for several include directories that may be relative to sysroot.
12769         * config/i386/x-mingw32 (gplus_includedir): Define.
12770         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
12771         (native_system_includedir): Likewise.
12772         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
12773         override if TARGET_SYSTEM_ROOT is defined.
12774         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
12775
12776         PR tree-optimization/79090
12777         PR tree-optimization/33562
12778         PR tree-optimization/61912
12779         PR tree-optimization/77485
12780         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
12781         and computed trims into the dump file.
12782
12783 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
12784
12785         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
12786
12787 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
12788
12789         PR c/79089
12790         * gimplify.c (gimplify_init_constructor): If want_value and
12791         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
12792         fix.
12793
12794         PR target/79080
12795         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
12796         sequence.  Formatting fixes.
12797         (doloop_optimize): Formatting fixes.
12798
12799         PR driver/49726
12800         * gcc.c (debug_level_greater_than_spec_func): New function.
12801         (static_spec_functions): Add debug-level-gt spec function.
12802         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
12803         !g0.
12804         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12805         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
12806         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
12807         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
12808         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
12809         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
12810
12811 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
12812
12813         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
12814         QImode fixups to general and mask registers only.
12815
12816 2017-01-16  Carl Love  <cel@us.ibm.com>
12817
12818         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
12819         for built-in functions
12820         vector signed char vec_nabs (vector signed char)
12821         vector signed short vec_nabs (vector signed short)
12822         vector signed int vec_nabs (vector signed int)
12823         vector signed long long vec_nabs (vector signed long long)
12824         vector float vec_nabs (vector float)
12825         vector double vec_nabs (vector double)
12826         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
12827         and NABS overload.
12828         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
12829         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
12830         * doc/extend.texi: Update the documentation file for the new built-in
12831         functions.
12832
12833 2017-01-16  Martin Sebor  <msebor@redhat.com>
12834
12835         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
12836         message.
12837
12838 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12839
12840         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
12841         UNSPEC_VSX__XXSPLTD to require special splat handling.
12842
12843 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
12844
12845         PR bootstrap/78616
12846         * system.h: Poison strndup.
12847
12848 2017-01-16  Alan Modra  <amodra@gmail.com>
12849
12850         PR target/79098
12851         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
12852         use a switch.
12853
12854 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
12855
12856         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
12857
12858 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
12859
12860         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
12861         call recog here.  Assert that INSN_CODE (insn) is non-negative.
12862
12863 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12864
12865         PR target/72749
12866         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
12867         fallthrough.
12868         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
12869         in the currently scheduled RTL fragment.
12870
12871 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
12872
12873         PR rtl-optimization/78751
12874         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
12875         give up.
12876
12877 2017-01-14  Jeff Law  <law@redhat.com>
12878
12879         PR tree-optimization/79090
12880         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
12881         variable length stores.
12882         (compute_trims): Delete dead assignment to *trim_tail.
12883         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
12884         zero length.
12885
12886 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
12887
12888         PR rtl-optimization/78626
12889         PR rtl-optimization/78727
12890         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
12891         of a block, and split such blocks after everything else is finished.
12892
12893 2017-01-14  Alan Modra  <amodra@gmail.com>
12894
12895         PR target/72749
12896         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
12897         target legitimate_combined_insn.
12898         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
12899         (rs6000_legitimate_combined_insn): New function.
12900         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
12901         all uses.
12902         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
12903         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
12904         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
12905
12906 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
12907
12908         * doc/frontends.texi (G++ and GCC): Remove references to Java.
12909
12910 2017-01-13  Jeff Law  <law@redhat.com>
12911
12912         PR tree-optimization/33562
12913         PR tree-optimization/61912
12914         PR tree-optimization/77485
12915         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
12916         a statement.
12917         (delete_dead_assignment): Likewise.
12918         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
12919         statement to delete_dead_call and delete_dead_assignment.
12920
12921 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
12922
12923         PR c/78304
12924         * substring-locations.c (format_warning_va): Strengthen case 1 so
12925         that both endpoints of the substring must be within the format
12926         range for just the substring to be printed.
12927
12928 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
12929
12930         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
12931         * config/i386/i386.c (ix86_target_string): Add missing options
12932         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
12933         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
12934         flags_other and ix86_target_other to flags2_other.  Display unknown
12935         isa2 options.
12936         (ix86_valid_target_attribute_inner_p): Add missing options and
12937         reorder options by implied ISAs, as in ix86_target_string.
12938
12939 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12940
12941         * hash-table.h (hash_table::too_empty_p): New function.
12942         (hash_table::expand): Use it.
12943         (hash_table::traverse): Likewise.
12944         (hash_table::empty_slot): Use sizeof (value_type) instead of
12945         sizeof (PTR) to convert bytes to elements.  Shrink the table
12946         if the current size is excessive for the current number of
12947         elements.
12948
12949 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
12950
12951         * ira-costs.c (record_reg_classes): Break from the inner loop
12952         early once alt_fail is known to be true.  Update outer loop
12953         handling accordingly.
12954
12955 2017-01-13  Jeff Law  <law@redhat.com>
12956
12957         * tree-ssa-dse.c (decrement_count): New function.
12958         (increment_start_addr, maybe_trim_memstar_call): Likewise.
12959         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
12960         when we know the partially dead statement is a mem* function.
12961
12962         PR tree-optimization/61912
12963         PR tree-optimization/77485
12964         * tree-ssa-dse.c: Include expr.h.
12965         (maybe_trim_constructor_store): New function.
12966         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
12967
12968         PR tree-optimization/33562
12969         PR tree-optimization/61912
12970         PR tree-optimization/77485
12971         * doc/invoke.texi: Document new dse-max-object-size param.
12972         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
12973         * tree-ssa-dse.c: Include params.h.
12974         (dse_store_status): New enum.
12975         (initialize_ao_ref_for_dse): New, partially extracted from
12976         dse_optimize_stmt.
12977         (valid_ao_ref_for_dse, normalize_ref): New.
12978         (setup_live_bytes_from_ref, compute_trims): Likewise.
12979         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
12980         (maybe_trim_partially_dead_store): Likewise.
12981         (maybe_trim_complex_store): Likewise.
12982         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
12983         Track what bytes live from the original store.  Return tri-state
12984         for dead, partially dead or live.
12985         (dse_dom_walker): Add constructor, destructor and new private members.
12986         (delete_dead_call, delete_dead_assignment): New extracted from
12987         dse_optimize_stmt.
12988         (dse_optimize_stmt): Make a member of dse_dom_walker.
12989         Use initialize_ao_ref_for_dse.
12990
12991         PR tree-optimization/33562
12992         PR tree-optimization/61912
12993         PR tree-optimization/77485
12994         * sbitmap.h (bitmap_count_bits): Prototype.
12995         (bitmap_clear_range, bitmap_set_range): Likewise.
12996         * sbitmap.c (bitmap_clear_range): New function.
12997         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
12998
12999 2017-01-13  Martin Liska  <mliska@suse.cz>
13000
13001         PR ipa/79043
13002         * function.c (set_cfun): Add new argument force.
13003         * function.h (set_cfun): Likewise.
13004         * ipa-inline-transform.c (inline_call): Use the function when
13005         strict alising from is dropped for function we inline to.
13006
13007 2017-01-13  Richard Biener  <rguenther@suse.de>
13008
13009         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
13010         for dumping GIMPLE INTEGER_CSTs.
13011
13012 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13013
13014         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
13015         to 201112L since C++17.
13016
13017 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
13018
13019         PR sanitizer/78887
13020         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
13021         if -fsanitize=kernel-address is present.
13022
13023 2017-01-13  Richard Biener  <rguenther@suse.de>
13024
13025         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
13026         as _Literal ( type ) number in case usual suffixes do not
13027         preserve all information.
13028
13029 2017-01-13  Richard Biener  <rguenther@suse.de>
13030
13031         PR tree-optimization/77283
13032         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
13033         and ssa-iterators.h.
13034         (is_feasible_trace): Implement a cost model based on joiner
13035         PHI node uses.
13036
13037 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
13038
13039         PR target/79004
13040         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
13041         char or short to __float128/_Float128 directly.
13042
13043 2017-01-12  Martin Sebor  <msebor@redhat.com>
13044
13045         to -Wformat-overflow.
13046         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
13047         (min_bytes_remaining): Same.
13048         (get_string_length): Same.
13049         (format_string): Same.
13050         (format_directive): Same.
13051         (add_bytes): Same.
13052         (pass_sprintf_length::handle_gimple_call): Same.
13053
13054 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
13055
13056         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
13057         info.nowrite calls with no lhs that can't throw.  Return bool
13058         whether gsi_remove has been called or not.
13059         (pass_sprintf_length::handle_gimple_call): Return bool whether
13060         try_substitute_return_value called gsi_remove.  Formatting fix.
13061         (pass_sprintf_length::execute): Don't use gsi_remove if
13062         handle_gimple_call returned true.
13063
13064         PR bootstrap/79069
13065         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
13066         be removed due to side-effects, don't remove following barrier nor
13067         turn the successor edge into fallthru edge.
13068
13069 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13070
13071         PR target/79044
13072         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
13073         element-reversing loads and stores as not swappable.
13074
13075 2017-01-12  Nathan Sidwell  <nathan@acm.org>
13076             Nicolai Stange  <nicstange@gmail.com>
13077
13078         * combine.c (try_combine): Don't ignore result of overlap checking
13079         loop.  Combine overlap & asm check into single loop.
13080
13081 2017-01-12  Richard Biener  <rguenther@suse.de>
13082
13083         * tree-pretty-print.c (dump_generic_node): Provide -gimple
13084         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
13085
13086 2017-01-12  Richard Biener  <rguenther@suse.de>
13087
13088         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
13089         and TS_TARGET_OPTION directly derive from TS_BASE.
13090         * tree-core.h (tree_optimization_option): Derive from tree_base.
13091         (tree_target_option): Likewise.
13092
13093 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
13094
13095         * config/i386/i386.c (memory_address_length): Increase len
13096         only when rip_relative_addr_p returns false.
13097
13098 2017-01-11  Julia Koval  <julia.koval@intel.com>
13099
13100         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
13101         (OPTION_MASK_ISA_SGX_SET): New.
13102         (ix86_handle_option): Handle OPT_msgx.
13103         * config.gcc: Added sgxintrin.h.
13104         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
13105         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
13106         * config/i386/i386.c (ix86_target_string): Add -msgx.
13107         (PTA_SGX): New.
13108         (ix86_option_override_internal): Handle new options.
13109         (ix86_valid_target_attribute_inner_p): Add sgx.
13110         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
13111         * config/i386/i386.opt: Add msgx.
13112         * config/i386/sgxintrin.h: New file.
13113         * config/i386/x86intrin.h: Add sgxintrin.h.
13114
13115 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
13116
13117         PR c++/71537
13118         * fold-const.c (maybe_nonzero_address): Return 1 for function
13119         local objects.
13120         (tree_single_nonzero_warnv_p): Don't handle function local objects
13121         here.
13122
13123         PR c++/72813
13124         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
13125         of c-header.
13126
13127 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
13128
13129         PR driver/78877
13130         * opts.c: Include "spellcheck.h"
13131         (struct string_fragment): New struct.
13132         (struct edit_distance_traits<const string_fragment &>): New
13133         struct.
13134         (get_closest_sanitizer_option): New function.
13135         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
13136
13137 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
13138
13139         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
13140         by 12.
13141         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
13142         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
13143         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
13144         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
13145         for initial die_offset if dwarf_split_debug_info.
13146         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
13147         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
13148         fields.
13149         (output_skeleton_debug_sections): Formatting fix.  Use
13150         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
13151         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
13152
13153 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
13154
13155         * config/arm/cortex-a53.md: Add bypasses for
13156         cortex_a53_r2f_cvt.
13157         (cortex_a53_r2f): Only use for transfers.
13158         (cortex_a53_f2r): Likewise.
13159         (cortex_a53_r2f_cvt): Add reservation for conversions.
13160         (cortex_a53_f2r_cvt): Likewise.
13161
13162 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
13163
13164         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
13165         to all inlined functions, change static to extern.
13166
13167 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
13168
13169         PR target/78253
13170         * config/arm/arm.c (legitimize_pic_address): Handle reference to
13171         weak symbol.
13172         (arm_assemble_integer): Likewise.
13173
13174 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
13175
13176         * config.gcc: Use new awk script to check CPU, FPU and architecture
13177         parameters for --with-... options.
13178         * config/arm/parsecpu.awk: New file
13179         * config/arm/arm-cpus.in: New file.
13180         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
13181         files.
13182         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
13183         files.
13184         * config/arm/t-arm: Update dependency rules.
13185         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
13186         of processing .def files.
13187         * config/arm/genopt.sh: Deleted.
13188         * config/arm/gentune.sh: Deleted.
13189         * config/arm/arm-cores.def: Deleted.
13190         * config/arm/arm-arches.def: Deleted.
13191         * config/arm/arm-fpus.def: Deleted.
13192         * config/arm/arm-tune.md: Regenerated.
13193         * config/arm/arm-tables.opt: Regenerated.
13194         * config/arm/arm-cpu.h: New generated file.
13195         * config/arm/arm-cpu-data.h: New generated file.
13196         * config/arm/arm-cpu-cdata.h: New generated file.
13197
13198 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
13199
13200         PR lto/79042
13201         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
13202         bit.
13203         (input_varpool_node): Unpack dynamically_initialized bit.
13204
13205 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
13206
13207         PR rtl-optimization/79032
13208         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
13209         the alignment of the adjusted memory reference against that of MODE,
13210         instead of the alignment of the original memory reference.
13211
13212 2017-01-11  Martin Jambor  <mjambor@suse.cz>
13213
13214         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
13215         test.
13216         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
13217         decorated functions.
13218
13219 2017-01-11  Richard Biener  <rguenther@suse.de>
13220
13221         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
13222         set range/nonnull info for PHI results.  Do not set it on
13223         stmts marked for removal.
13224
13225 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
13226
13227         * expr.c (store_field): In the bitfield case, fetch the return value
13228         from the registers before applying a single big-endian adjustment.
13229         Always do a final load for a BLKmode value not larger than a word.
13230
13231 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
13232
13233         PR c++/77949
13234         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
13235         that we correctly handle column numbers greater than
13236         LINE_MAP_MAX_COLUMN_NUMBER.
13237
13238 2017-01-10  Martin Sebor  <msebor@redhat.com>
13239
13240         PR middle-end/78245
13241         * gimple-ssa-sprintf.c (get_destination_size): Call
13242         {init,fini}object_sizes.
13243         * tree-object-size.c (addr_object_size): Adjust.
13244         (pass_through_call): Adjust.
13245         (pass_object_sizes::execute): Adjust.
13246         * tree-object-size.h (fini_object_sizes): Declare.
13247
13248 2017-01-10  Martin Sebor  <msebor@redhat.com>
13249
13250         PR tree-optimization/78775
13251         * builtins.c (get_size_range): Move...
13252         * calls.c: ...to here.
13253         (alloc_max_size): Accept zero argument.
13254         (operand_signed_p): Remove.
13255         (maybe_warn_alloc_args_overflow): Call get_size_range.
13256         * calls.h (get_size_range): Declare.
13257
13258 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
13259
13260         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
13261         from TI's devices.csv file as of September 2016.
13262         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
13263
13264 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
13265
13266         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
13267         * doc/invoke.texi: Likewise.
13268         * doc/md.texi: Likewise.
13269         * doc/objc.texi: Likewise.
13270
13271 2017-01-10  Joshua Conner  <joshconner@google.com>
13272
13273         * config/arm/fuchsia-elf.h: New file.
13274         * config/fuchsia.h: New file.
13275         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
13276         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
13277         targets.
13278         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
13279
13280 2016-01-10  Richard Biener  <rguenther@suse.de>
13281
13282         PR tree-optimization/79034
13283         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
13284         Propagate out degenerate PHIs in the joiner.
13285
13286 2017-01-10  Martin Liska  <mliska@suse.cz>
13287
13288         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
13289         (sort_congruence_classes_by_decl_uid): Likewise.
13290         (sort_congruence_class_groups_by_decl_uid): Likewise.
13291         (sem_item_optimizer::merge_classes): Sort class, groups in these
13292         classes and members in the groups by DECL_UID of declarations.
13293         This would make merge operations stable.
13294
13295 2017-01-10  Martin Liska  <mliska@suse.cz>
13296
13297         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
13298         usage of m_classes_vec.
13299         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
13300         (sem_item_optimizer::get_group_by_hash): Likewise.
13301         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
13302         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
13303         (sem_item_optimizer::verify_classes): Likewise.
13304         (sem_item_optimizer::process_cong_reduction): Likewise.
13305         (sem_item_optimizer::dump_cong_classes): Likewise.
13306         (sem_item_optimizer::merge_classes): Likewise.
13307         * ipa-icf.h (congruence_class_hash): Rename from
13308         congruence_class_group_hash.  Remove declaration of m_classes_vec.
13309
13310 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
13311
13312         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
13313         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
13314         * config.gcc: Add avx512vpopcntdqintrin.h.
13315         * config/i386/avx512vpopcntdqintrin.h: New.
13316         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
13317         * config/i386/i386-builtin-types.def: Add new types.
13318         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
13319         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
13320         __builtin_ia32_vpopcountq_v8di_mask): New.
13321         * config/i386/i386-c.c (ix86_target_macros_internal): Define
13322         __AVX512VPOPCNTDQ__.
13323         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
13324         (PTA_AVX512VPOPCNTDQ): Define.
13325         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
13326         TARGET_AVX512VPOPCNTDQ_P): Define.
13327         * config/i386/i386.opt: Add mavx512vpopcntdq.
13328         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
13329         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
13330
13331 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13332
13333         PR middle-end/77484
13334         * predict.def (PRED_CALL): Set to 67.
13335
13336 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
13337
13338         * expr.c (store_field): In the bitfield case, if the value comes from
13339         a function call and is of an aggregate type returned in registers, do
13340         not modify the field mode; extract the value in all cases if the mode
13341         is BLKmode and the size is not larger than a word.
13342
13343 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
13344
13345         PR target/71017
13346         * config/i386/cpuid.h: Fix undefined behavior.
13347
13348 2017-01-04  Jeff Law  <law@redhat.com>
13349
13350         PR tree-optimization/79007
13351         PR tree-optimization/67955
13352         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
13353         conservative for pt.null when flag_non_call_exceptions is on.
13354
13355 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
13356
13357         PR translation/79019
13358         PR translation/79020
13359         * params.def (PARAM_INLINE_MIN_SPEEDUP,
13360         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
13361         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
13362         in descriptions.
13363         * config/avr/avr.opt (maccumulate-args): Likewise.
13364         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
13365         * common.opt (freport-bug): Likewise.
13366         * cif-code.def (CIF_FINAL_ERROR): Likewise.
13367         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
13368         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
13369         translatable string.
13370         * config/i386/i386.c (function_value_32): Likewise.
13371         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
13372         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
13373         Likewise.
13374         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
13375         * common/config/msp430/msp430-common.c (msp430_handle_option):
13376         Likewise.
13377         * symtab.c (symtab_node::verify_base): Likewise.
13378         * opts.c (set_debug_level): Likewise.
13379         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
13380         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
13381         missing whitespace to translatable strings.
13382         * config/avr/avr.md (bswapsi2): Fix typo in comment.
13383         * config/sh/superh.h: Likewise.
13384         * config/i386/xopintrin.h: Likewise.
13385         * config/i386/znver1.md: Likewise.
13386         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
13387         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
13388         * double-int.h (struct double_int): Likewise.
13389         * double-int.c (div_and_round_double): Likewise.
13390         * wide-int.cc: Likewise.
13391         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
13392         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
13393         * cfgcleanup.c (crossjumps_occured): Renamed to ...
13394         (crossjumps_occurred): ... this.
13395         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
13396         Adjust all uses.
13397
13398         PR tree-optimization/78899
13399         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
13400         returning bool return struct loop *, NULL for failure and the new
13401         loop on success.
13402         (versionable_outer_loop_p): Don't version outer loop if it has
13403         dont_vectorized bit set.
13404         (tree_if_conversion): When versioning outer loop, ensure
13405         tree_if_conversion is performed also on the inner loop of the
13406         non-vectorizable outer loop copy.
13407         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
13408         LOOP_VECTORIZED in inner loop of the scalar outer loop and
13409         prevent vectorization of it.
13410         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
13411         the outer loop vectorization of the non-scalar version is attempted
13412         before vectorization of the inner loop in scalar version.  If
13413         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
13414         vectorization of its inner loop.
13415         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
13416         has 2 inner loops, rename also on edges from bb whose single pred
13417         is outer_loop->header.  Fix typo in function comment.
13418
13419 2017-01-09  Martin Sebor  <msebor@redhat.com>
13420
13421         PR bootstrap/79033
13422         * asan.c (asan_emit_stack_protection): Increase local buffer size
13423         to avoid snprintf truncation warning.
13424
13425 2017-01-09  Andrew Pinski  <apinski@cavium.com>
13426
13427         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
13428         to reference thunderx2t99 for the tuning structure
13429         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
13430         Rename to ...
13431         (thunderx2t99_extra_costs): This.
13432         * config/aarch64/aarch64-tune.md: Regenerate.
13433         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
13434         (vulcan_addrcost_table): This.
13435         (vulcan_regmove_cost): Rename to ...
13436         (thunderx2t99_regmove_cost): This.
13437         (vulcan_vector_cost): Rename to ...
13438         (thunderx2t99_vector_cost): this.
13439         (vulcan_branch_cost): Rename to ...
13440         (thunderx2t99_branch_cost): This.
13441         (vulcan_tunings): Rename to ...
13442         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
13443         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
13444
13445 2017-01-09  Martin Jambor  <mjambor@suse.cz>
13446
13447         PR ipa/78365
13448         PR ipa/78599
13449         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
13450         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
13451         (propagate_vr_accross_jump_function): Use the above function for all
13452         value range computations for pass-through jump functions and type
13453         converasion from explicit value range values.
13454         (ipcp_propagate_stage): Do not attempt to deduce types of formal
13455         parameters from TYPE_ARG_TYPES.
13456         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
13457         (ipa_write_node_info): Stream type of the actual argument.
13458         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
13459
13460 2017-01-09  Martin Liska  <mliska@suse.cz>
13461
13462         PR pch/78970
13463         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
13464         (lookup_compiler): Do not show error message with have_E.
13465
13466 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
13467
13468         PR tree-optimization/78938
13469         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
13470         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
13471         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
13472         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
13473         fixes.
13474
13475 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13476
13477         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
13478         is const0_rtx.
13479
13480 2017-01-09  Richard Biener  <rguenther@suse.de>
13481
13482         PR tree-optimization/78997
13483         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
13484         name condition properly.
13485
13486 2017-01-09  Richard Biener  <rguenther@suse.de>
13487
13488         PR debug/79000
13489         * dwarf2out.c (is_cxx): New overload with context.
13490         (is_naming_typedef_decl): Use it.
13491
13492 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13493
13494         * invoke.texi (Option Summary): Correct spacing in option lists
13495         and add line breaks to fix over-long lines.
13496
13497 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13498
13499         PR middle-end/17660
13500
13501         * extend.texi (Common Variable Attributes): Add xref to GCC
13502         Internals manual to explain mode attribute keywords.
13503
13504 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
13505
13506         PR other/16519
13507         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
13508         and Preprocessor Options.
13509         (Options for Linking): Document -pthread here....
13510         (RS/6000 and PowerPC Options): ...not here.
13511         (Solaris 2 Options): ...or here.
13512         * doc/cppopts.texi: Document -pthread.
13513
13514 2017-01-08  Martin Sebor  <msebor@redhat.com>
13515
13516         PR middle-end/77708
13517         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
13518         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
13519         New member functions.
13520         (format_directive): Used them.
13521         (add_bytes): Same.
13522         (pass_sprintf_length::handle_gimple_call): Same.
13523         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
13524         to avoid truncation for any argument.
13525         (extract_affine_mul): Same.
13526         * tree.c (get_file_function_name): Same.
13527
13528 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13529
13530         PR middle-end/77484
13531         * predict.def (PRED_INDIR_CALL): Set to 86.
13532
13533 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13534
13535         PR preprocessor/54124
13536         * doc/cppopts.texi: Reformat -d subtable to list the full name
13537         of the options.  Add cross-reference to the docs for the general
13538         compiler -d options.
13539         * doc/invoke.texi (Developer Options): Add cross-reference to the
13540         preprocessor-specific -d option documentation.
13541
13542 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13543
13544         PR preprocessor/13498
13545         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
13546         redudant material, and reflect new command-line options.
13547         (System Headers): Likewise.
13548
13549 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13550
13551         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
13552         -isystem, and -idirafter.  Copy-edit.
13553         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
13554         default for -ftrack-macro-expansion.  Delete obsolete and
13555         badly-formatted implementation details about -fdebug-cpp output.
13556         * doc/cppwarnopts.texi: Copy-edit.
13557
13558 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
13559
13560         PR c++/72803
13561         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
13562         that the transition from a max line width >= 1<<10 to narrower
13563         lines works correctly.
13564
13565 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
13566
13567         * doc/options.texi (PerFunction): New.
13568         * opt-functions.awk (switch_flags): Map both Optimization and
13569         PerFunction to CL_OPTIMIZATION.
13570         * opth-gen.awk: Test for PerFunction flag along with
13571         Optimization.
13572         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
13573         it only when the latter is present.  Skip those that don't in
13574         the hash function generator.
13575         * common.opt (fvar-tracking): Mark as PerFunction instead of
13576         Optimization.
13577         (fvar-tracking-assignments): Likewise.
13578         (fvar-tracking-assignments-toggle): Likewise.
13579         (fvar-tracking-uninit): Likewise.
13580
13581 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
13582
13583         PR translation/79018
13584         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
13585         the and store.
13586
13587 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
13588
13589         PR target/57583
13590         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
13591         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
13592         TARGET_LONG_JUMP_TABLE_OFFSETS.
13593         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
13594         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
13595         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
13596         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
13597         * config/m68k/m68k.md (tablejump expander): Likewise.
13598         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
13599         TARGET_LONG_JUMP_TABLE_OFFSETS.
13600         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
13601         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
13602
13603 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
13604             David Holsgrove <david.holsgrove@xilinx.com>
13605
13606         * common/config/microblaze/microblaze-common.c
13607         (TARGET_EXCEPT_UNWIND_INFO): Remove.
13608         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
13609         New prototype.
13610         * config/microblaze/microblaze.c (microblaze_must_save_register)
13611         (microblaze_expand_epilogue, microblaze_return_addr): Handle
13612         calls_eh_return.
13613         (microblaze_eh_return): New function.
13614         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
13615         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
13616         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
13617         * config/microblaze/microblaze.md (eh_return): New pattern.
13618
13619 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
13620
13621         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
13622         GCC_DIAGNOSTIC_STRINGIFY): Define.
13623
13624         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
13625
13626 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13627
13628         * config/arm/arm.md (<mcrr>): New.
13629         (<mrrc>): New.
13630         * config/arm/arm.c (arm_arch5te): New.
13631         (arm_option_override): Set arm_arch5te.
13632         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
13633         and mrrc2.
13634         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
13635         (arm_mcrr_qualifiers): ... this. New.
13636         (MRRC_QUALIFIERS): Define to...
13637         (arm_mrrc_qualifiers): ... this. New.
13638         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
13639         __arm_mrrc2): New.
13640         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
13641         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
13642         (MRRCI, mrrc, MRRC): New.
13643         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
13644         VUNSPEC_MRRC2): New.
13645
13646 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13647
13648         * config/arm/arm.md (<mcr>): New.
13649         (<mrc>): New.
13650         * config/arm/arm.c (arm_coproc_builtin_available): Add
13651         support for mcr, mrc, mcr2 and mrc2.
13652         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
13653         (arm_mcr_qualifiers): ... this. New.
13654         (MRC_QUALIFIERS): Define to ...
13655         (arm_mrc_qualifiers): ... this. New.
13656         (MCR_QUALIFIERS): Define to ...
13657         (arm_mcr_qualifiers): ... this. New.
13658         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
13659         __arm_mrc2): New.
13660         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
13661         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
13662         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
13663         VUNSPEC_MRC2): New.
13664
13665 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13666
13667         * config/arm/arm.md (*ldc): New.
13668         (*stc): New.
13669         (<ldc>): New.
13670         (<stc>): New.
13671         * config/arm/arm.c (arm_coproc_builtin_available): Add
13672         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
13673         (arm_coproc_ldc_stc_legitimate_address): New.
13674         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
13675         'qualifier_const_pointer'.
13676         (LDC_QUALIFIERS): Define to...
13677         (arm_ldc_qualifiers): ... this. New.
13678         (STC_QUALIFIERS): Define to...
13679         (arm_stc_qualifiers): ... this. New.
13680         * config/arm/arm-protos.h
13681         (arm_coproc_ldc_stc_legitimate_address): New.
13682         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
13683         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
13684         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
13685         stc2, stcl, stc2l): New.
13686         * config/arm/constraints.md (Uz): New.
13687         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
13688         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
13689         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
13690         VUNSPEC_STC2L): New.
13691
13692 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13693
13694         * config/arm/arm.md (<cdp>): New.
13695         * config/arm/arm.c (neon_const_bounds): Rename this ...
13696         (arm_const_bounds): ... this.
13697         (arm_coproc_builtin_available): New.
13698         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
13699         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
13700         (CDP_QUALIFIERS): Define to...
13701         (arm_cdp_qualifiers): ... this. New.
13702         (void_UP): Define.
13703         (arm_expand_builtin_args): Add case for 6 arguments.
13704         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
13705         (arm_const_bounds): ... this.
13706         (arm_coproc_builtin_available): New.
13707         * config/arm/arm_acle.h (__arm_cdp): New.
13708         (__arm_cdp2): New.
13709         * config/arm/arm_acle_builtins.def (cdp): New.
13710         (cdp2): New.
13711         * config/arm/iterators.md (CDPI,CDP,cdp): New.
13712         * config/arm/neon.md: Rename all 'neon_const_bounds' to
13713         'arm_const_bounds'.
13714         * config/arm/types.md (coproc): New.
13715         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
13716         * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
13717         * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
13718         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
13719
13720 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13721
13722         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
13723         (UBINOP_QUALIFIERS): New.
13724         (si_UP): Define.
13725         (acle_builtin_data): New. Change comment.
13726         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
13727         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
13728         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
13729         arm_acle_builtins.def.
13730         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
13731         (arm_init_acle_builtins): New.
13732         (CRC32_BUILTIN): Remove.
13733         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
13734         crc32cb, crc32ch and crc32cw.
13735         (arm_init_crc32_builtins): Remove.
13736         (arm_init_builtins): Use arm_init_acle_builtins rather
13737         than arm_init_crc32_builtins.
13738         (arm_expand_acle_builtin): New.
13739         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
13740         * config/arm/arm_acle_builtins.def: New.
13741
13742 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13743
13744         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
13745         (arm_builtin_datum): ... this.
13746         (arm_init_neon_builtin): Rename to ...
13747         (arm_init_builtin): ... this. Add a new parameters PREFIX
13748         and USE_SIG_IN_NAME.
13749         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
13750         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
13751         'arm_builtin_datum'.
13752         (arm_init_vfp_builtins): Likewise.
13753         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
13754         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
13755         (arm_expand_neon_args): Rename to ...
13756         (arm_expand_builtin_args): ... this. Rename builtin_arg
13757         enum values and differentiate between ARG_BUILTIN_MEMORY
13758         and ARG_BUILTIN_NEON_MEMORY.
13759         (arm_expand_neon_builtin_1): Rename to ...
13760         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
13761         values, arm_expand_builtin_args and add bool parameter NEON.
13762         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
13763         (arm_expand_vfp_builtin): Likewise.
13764         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
13765
13766 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
13767
13768         PR middle-end/77484
13769         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
13770         * predict.c (tree_estimate_probability_bb): Reverse direction of
13771         polymorphic call predictor.
13772
13773 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
13774
13775         * passes.c (execute_one_pass): Split out pass-skipping logic into...
13776         (determine_pass_name_match): ...this new function and...
13777         (should_skip_pass_p): ...this new function.
13778
13779 2017-01-06  Nathan Sidwell  <nathan@acm.org>
13780
13781         * ipa-visibility.c (function_and_variable_visibility): Reformat
13782         comments and long lines.  Remove extrneous if.
13783         * symtab.c (symtab_node::make_decl_local): Fix code format.
13784         (symtab_node::set_section_for_node): Fix comment typo.
13785
13786 2017-01-06  Martin Liska  <mliska@suse.cz>
13787
13788         PR bootstrap/79003
13789         * lra-constraints.c: Rename invariant to lra_invariant.
13790         * predict.c (set_even_probabilities): Initialize e to NULL.
13791
13792 2017-01-05  Martin Sebor  <msebor@redhat.com>
13793
13794         PR tree-optimization/78910
13795         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
13796         (format_integer): Correct off-by-one error in the handling
13797         of precision with negative numbers in signed conversions..
13798
13799 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
13800
13801         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
13802
13803 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13804
13805         PR tree-optimization/71016
13806         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
13807         factor_out_conditional_conversion.  Formatting fix.
13808         (factor_out_conditional_conversion): Add cond_stmt argument.
13809         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
13810         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
13811         Formatting fix.
13812
13813 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
13814
13815         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
13816         read-rtl-function.o, and selftest-rtl.o.
13817         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
13818         (selftest::aarch64_test_loading_full_dump): New function.
13819         (selftest::aarch64_run_selftests): New function.
13820         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
13821         selftest::aarch64_run_selftests.
13822         * config/i386/i386.c
13823         (selftest::ix86_test_loading_dump_fragment_1): New function.
13824         (selftest::ix86_test_loading_call_insn): New function.
13825         (selftest::ix86_test_loading_full_dump): New function.
13826         (selftest::ix86_test_loading_unspec): New function.
13827         (selftest::ix86_run_selftests): Call the new functions.
13828         * emit-rtl.c (maybe_set_max_label_num): New function.
13829         * emit-rtl.h (maybe_set_max_label_num): New decl.
13830         * function.c (instantiate_decls): Guard call to
13831         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
13832         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
13833         "static".
13834         * gensupport.c (gen_reader::gen_reader): Pass "false"
13835         for new "compact" param of rtx_reader.
13836         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
13837         rather than an empty string for NULL strings.
13838         * read-md.c: Potentially include config.h rather than bconfig.h.
13839         Wrap include of errors.h with #ifdef GENERATOR_FILE.
13840         (have_error): New global, copied from errors.c.
13841         (md_reader::read_name): Rename to...
13842         (md_reader::read_name_1): ...this, adding "out_loc" param,
13843         and converting "missing name or number" to returning false, rather
13844         than failing.
13845         (md_reader::read_name): Reimplement in terms of read_name_1.
13846         (md_reader::read_name_or_nil): New function.
13847         (md_reader::read_string): Handle "(nil)" by returning NULL.
13848         (md_reader::md_reader): Add new param "compact".
13849         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
13850         (md_reader::read_file): New method.
13851         * read-md.h (md_reader::md_reader): Add new param "compact".
13852         (md_reader::read_file): New method.
13853         (md_reader::is_compact): New accessor.
13854         (md_reader::read_name): Convert return type from void to file_location.
13855         (md_reader::read_name_or_nil): New decl.
13856         (md_reader::read_name_1): New decl.
13857         (md_reader::m_compact): New field.
13858         (noop_reader::noop_reader): Pass "false" for new "compact" param
13859         of rtx_reader.
13860         (rtx_reader::rtx_reader): Add new "compact" param.
13861         (rtx_reader::read_rtx_operand): Make virtual and convert return
13862         type from void to rtx.
13863         (rtx_reader::read_until): New decl.
13864         (rtx_reader::handle_any_trailing_information): New virtual function.
13865         (rtx_reader::postprocess): New virtual function.
13866         (rtx_reader::finalize_string): New virtual function.
13867         (rtx_reader::m_in_call_function_usage): New field.
13868         (rtx_reader::m_reuse_rtx_by_id): New field.
13869         * read-rtl-function.c: New file.
13870         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
13871         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
13872         (selftest::verify_three_block_rtl_cfg): New decl.
13873         * read-rtl-function.h: New file.
13874         * read-rtl.c: Potentially include config.h rather than bconfig.h.
13875         For host, include function.h, memmodel.h, and emit-rtl.h.
13876         (one_time_initialization): New function.
13877         (struct compact_insn_name): New struct.
13878         (compact_insn_names): New array.
13879         (find_code): Handle insn codes in compact dumps.
13880         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
13881         (bind_subst_iter_and_attr): Likewise.
13882         (add_condition_to_string): Likewise.
13883         (add_condition_to_rtx): Likewise.
13884         (apply_attribute_uses): Likewise.
13885         (add_current_iterators): Likewise.
13886         (apply_iterators): Likewise.
13887         (initialize_iterators): Guard usage of apply_subst_iterator with
13888         #ifdef GENERATOR_FILE.
13889         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
13890         (md_reader::read_mapping): Likewise.
13891         (add_define_attr_for_define_subst): Likewise.
13892         (add_define_subst_attr): Likewise.
13893         (read_subst_mapping): Likewise.
13894         (check_code_iterator): Likewise.
13895         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
13896         logic to...
13897         (one_time_initialization): New function.
13898         (rtx_reader::read_until): New method.
13899         (read_flags): New function.
13900         (parse_reg_note_name): New function.
13901         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
13902         Handle reuse_rtx ids.
13903         Wrap iterator lookup within #ifdef GENERATOR_FILE.
13904         Add parsing support for RTL dumps, mirroring the special-cases in
13905         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
13906         values, and calling handle_any_trailing_information.
13907         (rtx_reader::read_rtx_operand): Convert return type from void
13908         to rtx, returning return_rtx.  Handle case 'e'.  Call
13909         finalize_string on XSTR and XTMPL fields.
13910         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
13911          "(nil)" values were omitted.  Call the postprocess vfunc on the
13912         return_rtx.
13913         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
13914         class ctor.  Initialize m_in_call_function_usage.  Call
13915         one_time_initialization.
13916         * rtl-tests.c (selftest::test_uncond_jump): Call
13917         set_new_first_and_last_insn.
13918         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
13919         * selftest-rtl.c: New file.
13920         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
13921         (selftest::get_insn_by_uid): New decl.
13922         * selftest-run-tests.c (selftest::run_tests): Call
13923         read_rtl_function_c_tests.
13924         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
13925         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
13926         dumps.
13927
13928 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
13929
13930         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
13931         operands in a special way.  Assert that pos+len <= mode precision.
13932
13933 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
13934
13935         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
13936         3 argument Alias with unlimited for the negative form.
13937         (fno-vect-cost-model): Removed.
13938
13939 2017-01-05  Martin Liska  <mliska@suse.cz>
13940
13941         * hsa-gen.c (gen_hsa_divmod): New function.
13942         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
13943
13944 2017-01-05  Martin Liska  <mliska@suse.cz>
13945
13946         PR pch/78970
13947         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
13948         header.
13949
13950 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13951
13952         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
13953         small constant length operands.
13954
13955 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13956
13957         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
13958         between loop iterations.
13959
13960 2017-01-05  Martin Liska  <mliska@suse.cz>
13961
13962         PR sanitizer/78815
13963         * gimplify.c (gimplify_decl_expr): Compare to
13964         asan_poisoned_variables instread of checking flags.
13965         (gimplify_target_expr): Likewise.
13966         (gimplify_expr): Likewise.
13967         (gimplify_function_tree): Conditionally initialize
13968         asan_poisoned_variables.
13969
13970 2017-01-04  Jeff Law  <law@redhat.com>
13971
13972         PR tree-optimizatin/78812
13973         * rtl.h (contains_mem_rtx_p): Prototype.
13974         * ifcvt.c (containts_mem_rtx_p): Move from here to...
13975         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
13976         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
13977         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
13978         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
13979
13980 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13981
13982         * input.c (assert_char_at_range): Default-initialize actual_range.
13983
13984 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13985
13986         * df-scan.c (df_ref_create_structure): Make regno unsigned,
13987         to match the caller.
13988
13989 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13990
13991         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
13992         insns after final jump in test to emit dummy move.
13993
13994 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
13995
13996         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
13997         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
13998
13999 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
14000
14001         * multiple_target.c (create_dispatcher_calls): Init e_next.
14002         * tree-ssa-loop-split.c (split_loop): Init border.
14003         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
14004         scalar_type.
14005
14006 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
14007
14008         PR target/71977
14009         PR target/70568
14010         PR target/78823
14011         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
14012         (altivec_register_operand): Do not return true if the operand
14013         contains a SUBREG mixing SImode and SFmode.
14014         (vsx_register_operand): Likewise.
14015         (vsx_reg_sfsubreg_ok): New predicate.
14016         (vfloat_operand): Do not return true if the operand contains a
14017         SUBREG mixing SImode and SFmode.
14018         (vint_operand): Likewise.
14019         (vlogical_operand): Likewise.
14020         (gpc_reg_operand): Likewise.
14021         (int_reg_operand): Likewise.
14022         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
14023         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
14024         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
14025         SImode and SFmode.
14026         (rs6000_emit_move_si_sf_subreg): New helper function.
14027         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
14028         fixup SUBREGs involving SImode and SFmode.
14029         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
14030         numbers for the new peephole2 optimization.
14031         (peephole2 for SFmode unions): New peephole2 to optimize cases in
14032         the GLIBC math library that do AND/IOR/XOR operations on single
14033         precision floating point.
14034         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
14035         target macros to say whether we need to avoid SUBREGs mixing
14036         SImode and SFmode.
14037         (TARGET_ALLOW_SF_SUBREG): Likewise.
14038         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
14039         (UNSPEC_SI_FROM_SF): Likewise.
14040         (iorxor): Change spacing.
14041         (and_ior_xor): New iterator for AND, IOR, and XOR.
14042         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
14043         (movdi_from_sf_zero_ext): Likewise.
14044         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
14045         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
14046         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
14047         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
14048         (fms<mode>4): Likewise.
14049         (fnma<mode>4): Likewise.
14050         (fnms<mode>4): Likewise.
14051         (nfma<mode>4): Likewise.
14052         (nfms<mode>4): Likewise.
14053
14054 2017-01-04  Marek Polacek  <polacek@redhat.com>
14055
14056         PR c++/64767
14057         * doc/invoke.texi: Document -Wpointer-compare.
14058
14059 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
14060
14061         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
14062         RejectNegative.
14063
14064         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
14065         descriptions for -gdwarf-5 and emit them as uleb128 instead of
14066         2-byte data.
14067
14068 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
14069
14070         PR target/78056
14071         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
14072         documentation of the powerpc_popcntb_ok attribute.
14073         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
14074         code to issue warning messages if a requested CPU configuration is
14075         not supported by the binary (assembler and loader) toolchain.
14076         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
14077         made to define a built-in function that has been disabled.
14078         (paired_init_builtins): Add assertion to prevent ICE if attempt is
14079         made to define a built-in function that has been disabled.
14080         (altivec_init_builtins): Add comment explaining why definition
14081         of the DST built-in functions is not preceded by an assertion
14082         check.  Add assertions to prevent ICE if attempts are made to
14083         define an altivec predicate or an abs* built-in function that has
14084         been disabled.
14085         (htm_init_builtins): Add comment explaining why definition of the
14086         htm built-in functions is not preceded by an assertion check.
14087
14088 2017-01-04  Jeff Law  <law@redhat.com>
14089
14090         PR tree-optimizatin/67955
14091         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
14092         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
14093         the points-to solution does not include pt_null.  Use DECL_PT_UID
14094         unconditionally.
14095
14096 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
14097
14098         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
14099         Use gen_int_mode instead of gen_lopwart for const_int operands.
14100
14101 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
14102
14103         PR tree-optimization/71563
14104         * match.pd: Simplify X << Y into X if Y is known to be 0 or
14105         out of range value - has low bits known to be zero.
14106
14107 2017-01-04  Alan Modra  <amodra@gmail.com>
14108
14109         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
14110         * configure: Regenerate.
14111         * config.in: Regenerate.
14112
14113 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
14114
14115         PR bootstrap/77569
14116         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
14117         a substring of the message, but strcmp with the whole message.  Ifdef
14118         ENABLE_NLS, translate the message first using dgettext.
14119
14120 2017-01-03  Jeff Law  <law@redhat.com>
14121
14122         PR tree-optimizatin/78856
14123         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
14124         (mark_threaded_blocks): Remove code to truncate thread paths that
14125         cross multiple loop headers.  Instead invalidate the cached loop
14126         iteration information and handle case of a thread path walking
14127         into an irreducible region.
14128
14129 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
14130
14131         PR target/78900
14132         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
14133         assertions.  Add support for doing the signbit if the IEEE 128-bit
14134         floating point value is in a GPR.
14135         * config/rs6000/rs6000.md (Fsignbit): Delete.
14136         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
14137         Update the length attribute if the value is in a GPR.
14138         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
14139         the sign or zero extension instruction, since the value is always 0/1.
14140         (signbit<mode>2_dm2): Delete using <Fsignbit>.
14141
14142         PR target/78953
14143         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
14144         extracting SImode to a GPR register so that we can generate a
14145         store, limit the vector to be in a traditional Altivec register
14146         for the vextuwrx instruction.
14147
14148 2017-01-03  Ian Lance Taylor  <iant@google.com>
14149
14150         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
14151
14152 2017-01-03  Martin Sebor  <msebor@redhat.com>
14153
14154         PR tree-optimization/78696
14155         * gimple-ssa-sprintf.c (format_floating): Correct handling of
14156         precision.  Use MPFR for %f for greater fidelity.  Correct handling
14157         of %g.
14158         (pass_sprintf_length::compute_format_length): Set width and precision
14159         specified by asrerisk to void_node for vararg functions.
14160         (try_substitute_return_value): Adjust dump output.
14161
14162 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
14163
14164         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
14165
14166 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
14167
14168         * doc/invoke.texi (SPARC options): Document -mlra as the default.
14169         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
14170         -mlra/-mno-lra was passed to the compiler.
14171
14172 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
14173
14174         PR rtl-optimization/65618
14175         * emit-rtl.c (try_split): Move initialization of "before" and
14176         "after" to just before the call to emit_insn_after_setloc.
14177
14178 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
14179
14180         * doc/md.texi (Standard Names): Remove reference to Java frontend.
14181
14182 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
14183
14184         * dwarf2out.c (gen_enumeration_type_die): When
14185         -gno-strict-dwarf, add a DW_AT_encoding attribute.
14186
14187 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
14188
14189         PR tree-optimization/78965
14190         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
14191         Change first argument from const call_info & to call_info &.  For %n
14192         set info.nowrite to false.
14193
14194         PR middle-end/78901
14195         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
14196         possibly throwing calls.
14197
14198         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
14199         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
14200         and fns handling, rather than in a separate case SSA_NAME.
14201
14202 2017-01-02  Jeff Law  <law@redhat.com>
14203
14204         * config/darwin-driver.c (darwin_driver_init): Const-correctness
14205         fixes for first_period and second_period variables.
14206
14207 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
14208
14209         PR target/78967
14210         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
14211         (*insvqi_1): New insn pattern.
14212         (*insvqi_1_mem_rex64): Ditto.
14213         (*insvqi_2): Ditto.
14214         (*insvqi_3): Rename from *insvqi.
14215
14216         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
14217
14218 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
14219
14220         * doc/cfg.texi (Edges): Remove reference to Java.
14221         (Maintaining the CFG): Ditto.
14222
14223 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
14224
14225         PR middle-end/77674
14226         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
14227         transparent aliases.
14228
14229 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
14230
14231         PR middle-end/77484
14232         * predict.def (PRED_CALL): Update hitrate.
14233         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
14234         * predict.c (tree_estimate_probability_bb): Split CALL predictor
14235         into direct/indirect/polymorphic variants.
14236
14237 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
14238
14239         Update copyright years.
14240
14241         * gcc.c (process_command): Update copyright notice dates.
14242         * gcov-dump.c (print_version): Ditto.
14243         * gcov.c (print_version): Ditto.
14244         * gcov-tool.c (print_version): Ditto.
14245         * gengtype.c (create_file): Ditto.
14246         * doc/cpp.texi: Bump @copying's copyright year.
14247         * doc/cppinternals.texi: Ditto.
14248         * doc/gcc.texi: Ditto.
14249         * doc/gccint.texi: Ditto.
14250         * doc/gcov.texi: Ditto.
14251         * doc/install.texi: Ditto.
14252         * doc/invoke.texi: Ditto.
14253 \f
14254 Copyright (C) 2017 Free Software Foundation, Inc.
14255
14256 Copying and distribution of this file, with or without modification,
14257 are permitted in any medium without royalty provided the copyright
14258 notice and this notice are preserved.