gcc/ChangeLog

   1 2019-04-03  Jeff Law  <law@redhat.com>
   2
   3         PR rtl-optimization/81025
   4         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
   5
   6 2019-04-03  Richard Biener  <rguenther@suse.de>
   7
   8         PR tree-optimization/84101
   9         * tree-vect-stmts.c: Include explow.h for hard_function_value,
  10         regs.h for hard_regno_nregs.
  11         (cfun_returns): New helper.
  12         (vect_model_store_cost): When vectorizing a store to a decl
  13         we return and the function ABI returns in a multi-reg location
  14         account for the possible spilling that will happen.
  15
  16 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
  17
  18         * config/s390/s390.c (s390_legitimate_address_p): Reject long
  19         displacement addresses for vector mode operands.
  20
  21 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
  22
  23         * config/arc/arc.c (GMASK_LEN): Define.
  24         (arc_restore_callee_saves): Restore first blink when
  25         !optimize_size.
  26
  27 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
  28
  29         * doc/extend.texi: Add deprecated comment on sign-return-address
  30         function attribute and add mbranch-protection.
  31         * doc/invoke.texi: Add bti to the options for mbranch-protection.
  32
  33 2019-04-03  Richard Biener  <rguenther@suse.de>
  34
  35         PR lto/89896
  36         * lto-wrapper.c (run_gcc): Avoid implicit rules making
  37         the all target phony.
  38
  39 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
  40
  41         PR target/89902
  42         PR target/89903
  43         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
  44         Return false for variable DImode shifts.
  45         (dimode_scalar_chain::compute_convert_gain): Do not handle
  46         register count operand in variable DImode shifts.
  47         (dimode_scalar_chain::make_vector_copies): Remove support to copy
  48         count argument of a variable shift instruction to a vector register.
  49         (dimode_scalar_chain::convert_reg): Remove support to convert
  50         count argument of a variable shift instruction.
  51
  52 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
  53
  54         PR rtl-optimization/84206
  55         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
  56         iterating over loop headers.
  57
  58 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
  59
  60         PR rtl-optimization/85876
  61         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
  62         beyond the original fence.
  63
  64 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
  65
  66         * config.gcc: Mark spu* targets as deprecated/obsolete.
  67
  68 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
  69
  70         * config/s390/s390-builtin-types.def: New builtin function type
  71         definitions. Remove unused types.
  72         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
  73         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
  74         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
  75         overloaded builtins.
  76         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
  77         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
  78         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
  79         (vec_double, vec_signed, vec_unsigned): Define to use the new
  80         overloaded builtins.
  81         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
  82         Remove expanders.
  83
  84 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
  85
  86         * config/s390/s390-builtin-types.def: New builtin function type
  87         definitions.
  88         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
  89         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
  90         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
  91         (s390_vstrszh, s390_vstrszf): New low-level builtins.
  92         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
  93         constant definitions.
  94         * config/s390/vecintrin.h (vec_search_string_cc)
  95         (vec_search_string_until_zero_cc): New builtin name definitions.
  96         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
  97         expanders.
  98         ("vec_vstrs<mode>"): New insn definition.
  99
 100 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 101
 102         * config/s390/s390-builtin-types.def: Add new builtin function
 103         types.
 104         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
 105         New overloaded builtins.
 106         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
 107         s390_vsrd.
 108         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
 109         (UNSPEC_VEC_SLDBYTE): ... this.
 110         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
 111         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
 112         definitions.
 113         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
 114         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
 115         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
 116
 117 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 118
 119         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
 120         New insn definition.
 121         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
 122         * config/s390/vector.md (V_HW_HSD): ... here.
 123
 124 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 125
 126         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
 127         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
 128         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
 129         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
 130         New insn definitions.
 131
 132 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 133
 134         * config/s390/s390-builtin-types.def: Add new builtin function type.
 135         * config/s390/s390-builtins.def: Add overloaded builtin
 136         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
 137         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
 138         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
 139         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
 140         ("eltswap<mode>"): New expander.
 141         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
 142         insn definitions.
 143
 144 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 145
 146         * config/s390/s390-builtin-types.def: Add new builtin function types.
 147         * config/s390/s390-builtins.def: Add overloaded builtin
 148         s390_vec_revb. Add low-level builtins for vlbr and vstbr
 149         instructions.
 150         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
 151         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
 152         ("bswap<mode>"): New expander.
 153         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
 154
 155 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 156
 157         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
 158         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
 159         vector builtin version number in __VEC__.
 160
 161 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 162
 163         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
 164         iterators.
 165         (SFSI): New mode attribute.
 166         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
 167         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
 168         rename to ...
 169         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
 170         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
 171         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
 172         ("floatsi<mode>2"): Add wcefb instruction.
 173
 174 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 175
 176         * config/s390/s390.md ("xde"): Extend mode attribute to vector
 177         types.
 178         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
 179         mode iterators.
 180         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
 181         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
 182         support 32 bit fp-int conversions. Rename to ...
 183         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
 184         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
 185         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
 186         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
 187         ... to these.
 188
 189 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 190
 191         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
 192         if-then-else constructs if we can use the select instruction.
 193         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
 194
 195 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 196
 197         * config/s390/s390.md ("*popcountdi_arch13_cc")
 198         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
 199         definition.
 200         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
 201         Append _z196 to make it ...
 202         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
 203         ("popcounthi2_z196"): ... this.
 204         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
 205         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
 206
 207 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 208
 209         * config/s390/s390.c (s390_canonicalize_comparison): Convert
 210         certain compares for arch13 in order to make use of the condition
 211         code result produced by the new instructions.
 212         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
 213         nxrk, and nxgrk instruction patterns.
 214         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
 215         (inv_no): Add new code iterator together with some attributes.
 216         ("*andc_split_<mode>"): Disable splitter for arch13.
 217         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
 218         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
 219         ("*<ANDOR:bitops_name>c<GPR:mode>")
 220         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
 221         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
 222         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
 223         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
 224
 225 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 226
 227         * common/config/s390/s390-common.c (processor_flags_table): New
 228         entry for arch13.
 229         * config.gcc: Support arch13 with the --with-arch= configure flag.
 230         * config/s390/driver-native.c (s390_host_detect_local_cpu):
 231         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
 232         * config/s390/s390.c (s390_get_sched_attrmask)
 233         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
 234         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
 235         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
 236         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
 237         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
 238         definitions.
 239         * config/s390/s390.opt: Support arch13 as processor type in
 240         command line options.
 241
 242 2019-04-02  Martin Liska  <mliska@suse.cz>
 243
 244         PR translation/89912
 245         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
 246         Fix param description of graphite-max-arrays-per-scop.
 247
 248 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
 249
 250         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
 251         (ASAN_CC1_SPEC): Use it in 64-bit mode.
 252         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
 253
 254 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
 255
 256         PR rtl-optimization/85412
 257         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
 258         sel_sched_region_1, not after.
 259
 260 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
 261
 262         PR rtl-optimization/86928
 263         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
 264         compute_live if necessary.
 265         (sel_redirect_edge_and_branch): Likewise.
 266
 267 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
 268
 269         PR rtl-optimization/89865
 270         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
 271         register if it is a part of small class.
 272
 273 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
 274
 275         PR rtl-optimization/87273
 276         * sel-sched-ir.c (merge_fences): Remove assert.
 277
 278 2019-04-01  Richard Biener  <rguenther@suse.de>
 279
 280         PR tree-optimization/46590
 281         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
 282         (dom_walker::m_reachability): Add in place of...
 283         (dom_walker::m_skip_unreachable_blocks): ...this.
 284         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
 285         Move complex initialization ...
 286         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
 287         lazily and initialize edge flags on each invocation.
 288         (dom_walker::bb_reachable): Use m_reachability.
 289
 290 2019-04-01  Martin Liska  <mliska@suse.cz>
 291
 292         PR driver/89861
 293         * opt-suggestions.c (option_proposer::build_option_suggestions):
 294         Add variant without any argument in order to provide better
 295         hints.
 296
 297 2019-04-01  Richard Biener  <rguenther@suse.de>
 298
 299         PR c/71598
 300         * gimple.c: Include langhooks.h.
 301         (gimple_get_alias_set): Treat enumeral types as the underlying
 302         integer type.
 303
 304 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
 305             Eric Botcazou  <ebotcazou@adacore.com>
 306
 307         PR rtl-optimization/89862
 308         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
 309         that operates on the full registers for WORD_REGISTER_OPERATIONS
 310         architectures.
 311
 312 2019-03-29  Jim Wilson  <jimw@sifive.com>
 313
 314         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
 315         Clear MASK_RVC and then set if C subset supported.
 316
 317 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
 318
 319         PR c/89872
 320         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
 321         non-addressable complit into its initializer if it is volatile.
 322
 323 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
 324
 325         * opts-common.c (integral_argument): Set errno properly in one case.
 326
 327 2019-03-29  Martin Liska  <mliska@suse.cz>
 328
 329         * doc/invoke.texi: Remove -Wchkp from documentation.
 330
 331 2019-03-29  Martin Liska  <mliska@suse.cz>
 332
 333         * dbgcnt.c (print_limit_reach): New function.
 334         (dbg_cnt): Use it.
 335
 336 2019-03-29  Martin Liska  <mliska@suse.cz>
 337
 338         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
 339         (dbg_cnt_process_opt): Parse first tokens aas
 340         dbg_cnt_process_single_pair is also using strtok.
 341
 342 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
 343
 344         PR rtl-optimization/87485
 345         * function.c (expand_function_end): Move stack_protect_epilogue
 346         before loading of return value into hard register(s).
 347
 348 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
 349
 350         PR middle-end/89621
 351         * tree-inline.h (struct copy_body_data): Add
 352         dont_remap_vla_if_no_change flag.
 353         * tree-inline.c (remap_type_3, remap_type_2): New functions.
 354         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
 355         and remap_type_2 returns false.
 356         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
 357         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
 358         only from where it is copied to nested contexts.
 359
 360 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
 361
 362         PR target/89865
 363         * config/i386/i386.md (RMW operation with LEA peephole):
 364         Use LEAMODE mode attribute instead of SWI mode iterator for
 365         LEA pattern.
 366
 367 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
 368
 369         PR target/89848
 370         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
 371         Also process XEXP (src, 0) of a shift insn.
 372
 373 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
 374
 375         PR middle-end/89725
 376         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
 377         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
 378
 379 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
 380
 381         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
 382         test.
 383         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
 384         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
 385         immediately after first one with df_analyze in between, but rather
 386         process all bbs, queueing ones that need second pass in a worklist,
 387         df_analyze, process queued debug insn changes and if second pass is
 388         needed, process bbs from worklist, df_analyze, process queued debug
 389         insns again.
 390
 391         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
 392         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
 393         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
 394
 395 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
 396
 397         PR c/79022
 398         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
 399         definition.
 400
 401 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
 402
 403         PR target/85667
 404         * config/i386/i386.c (ix86_function_value_1): Call the newly added
 405         function for 32-bit MS_ABI.
 406         (function_value_ms_32): New function.
 407
 408 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
 409
 410         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
 411         (movdi): Call gen_movdi_symbol_save_scc.
 412         (gen_movdi_symbol_save_scc): New insn and split.
 413
 414 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
 415
 416         PR rtl-optimization/89313
 417         * function.c (matching_constraint_num): New static function.
 418         (match_asm_constraints_1): Use it.  Fixup white space and comment.
 419         Don't replace inputs with non-matching constraints which conflict
 420         with early clobber outputs.
 421
 422 2019-03-27  Jeff Law  <law@redhat.com>
 423
 424
 425         PR rtl-optimization/87761
 426         PR rtl-optimization/89826
 427         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
 428         slightly later.
 429         (pass_cprop_hardreg::execute): Call df_analyze after adding the
 430         note problem to get REG_DEAD/REG_UNUSED notes updated.
 431
 432 2019-03-27  Richard Biener  <rguenther@suse.de>
 433
 434         PR tree-optimization/89463
 435         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
 436         queue edges to remove.
 437         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
 438         dead stmts.  Delay edge removal until PHIs are removed to
 439         make debug-stmt creation not confused by seemingly degenerate
 440         PHIs.
 441
 442 2019-03-27  Alan Modra  <amodra@gmail.com>
 443
 444         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
 445         throughout file.
 446         * config/rs6000/darwin.h: Likewise.
 447         * config/rs6000/rs6000.c: Likewise.
 448
 449 2019-03-27  Alan Modra  <amodra@gmail.com>
 450
 451         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
 452         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
 453
 454 2019-03-26  Andrew Waterman  <andrew@sifive.com>
 455             Jim Wilson  <jimw@sifive.com>
 456
 457         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
 458         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
 459         (generic_idivdi, generic_fmul_single, generic_fmul_double)
 460         (generic_fdiv, generic_fsqrt): Add check for generic tune.
 461         (generic_alu): Add auipc to type list.
 462         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
 463         (riscv_microarchitecture): Declare.
 464         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
 465         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
 466         field.
 467         (riscv_microarchitecture): New.
 468         (sifive_7_tune_info): New.
 469         (riscv_cpu_info_table): Add microarchitecture value for rocket and
 470         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
 471         entries.
 472         (riscv_store_data_bypass_p): New.
 473         (riscv_option_override): Set riscv_microarchitecture from
 474         cpu->microarchitecture.
 475         * config/riscv/riscv.md: Include sifive-7.md.
 476         (type): Add auipc.
 477         (tune): New.
 478         (auipc<mode>): Change type to auipc.
 479         (restore_stack_nonlocal): New.
 480         * config/riscv/sifive-7.md: New.
 481         * doc/invoke.texi (RISC-V Options): Update mtune docs.
 482
 483 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
 484
 485         PR target/89827
 486         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
 487         Also process XEXP (src, 0) of a shift insn.
 488
 489 2019-03-26  Richard Biener  <rguenther@suse.de>
 490
 491         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
 492         (copy_debug_stmt): Likewise.
 493         (expand_call_inline): Likewise.
 494         (copy_bb): Avoid redundant lookup & set of gimple_block.
 495         * gimple-low.c (lower_gimple_return): Likewise.
 496         (lower_builtin_setjmp): Likewise.
 497
 498 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
 499
 500         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
 501         is constant 0, turn into static const data member initialized to false.
 502         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
 503         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
 504
 505 2019-03-26  Jason Merrill  <jason@redhat.com>
 506             Jakub Jelinek  <jakub@redhat.com>
 507
 508         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
 509         method.
 510         (mem_alloc_description::release_object_overhead): Fix comment typos.
 511         * hash-table.h (hash_table::~hash_table): Call
 512         release_instance_overhead only if m_entries is non-NULL, otherwise
 513         call unregister_descriptor.
 514
 515 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
 516
 517         PR tree-optimization/81740
 518         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
 519         In case of outer loop vectorization, check for backward dependence
 520         at the inner loop if outer loop dependence is reversed.
 521
 522 2019-03-26  Alan Modra  <amodra@gmail.com>
 523
 524         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
 525         rs6000_vector_mem init.  Correct wI and wJ comment.
 526
 527 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
 528
 529         PR rtl-optimization/88347
 530         PR rtl-optimization/88423
 531         * sched-deps.c (sched_analyze_insn): Take into account that for
 532         tablejumps the barrier appears after a label and a jump_table_data.
 533
 534 2019-03-25  Martin Sebor  <msebor@redhat.com>
 535
 536         PR c/89812
 537         * c-common.c (check_user_alignment): Rename local.  Correct maximum
 538         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
 539         convert it to UHWI when it fits.
 540
 541 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
 542
 543         PR debug/86964
 544         * dwarf2out.c (premark_used_variables): New function.
 545         (prune_unused_types_walk): Do not mark not premarked external
 546         variables.
 547         (prune_unused_types): Call premark_used_variables.
 548
 549 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
 550
 551         PR rtl-optimization/89676
 552         * lra-constraints.c (curr_insn_transform): Do match reload for
 553         early clobbers when the match was successful only for different
 554         registers.
 555
 556 2019-03-25  Martin Sebor  <msebor@redhat.com>
 557
 558         * doc/extend.texi (Common Type Attributes): Document vector_size.
 559         (Common Variable Attributes): Mention size constraint.  Correct
 560         quoting and typos.
 561         (Vector Extensions): Use @dfn when defining bas type.  Clarify
 562         base type and size constraints.
 563
 564 2019-03-25  Richard Biener  <rguenther@suse.de>
 565
 566         PR tree-optimization/89789
 567         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
 568         changes from non-undefined back to undefined.
 569
 570 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
 571
 572         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
 573         heap string and a gc string, but since this variable is unknown to
 574         ggc the gc string might get reused and corrupted. Fixed by always
 575         using a heap string.
 576
 577 2019-03-25  Richard Biener  <rguenther@suse.de>
 578
 579         PR tree-optimization/89779
 580         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
 581         to remove IV defs, delay actual removal.
 582         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
 583         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
 584         very end, properly also reset loop control IV information.
 585
 586 2019-03-25  Richard Biener  <rguenther@suse.de>
 587
 588         PR tree-optimization/89802
 589         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
 590         move EH data to folded stmt.
 591
 592 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
 593
 594         * config/s390/s390-builtin-types.def: Remove few unused types and
 595         fix sort order for others.
 596
 597 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
 598
 599         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
 600         expected and found types with -mdebug during builtin matching.
 601
 602 2019-03-25  Richard Biener  <rguenther@suse.de>
 603
 604         PR middle-end/89790
 605         * fold-const.c (operand_equal_p): Revert last change with
 606         updated comment.
 607
 608 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
 609
 610         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
 611         notes for the result of the __tls_get_addr calls.
 612         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
 613
 614 2019-03-24  Jeff Law  <law@redhat.com>
 615
 616         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
 617
 618         PR rtl-optimization/87761
 619         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
 620         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
 621         as needed.
 622         (pass_cprop_hardreg::execute): Add df note problem and defer insn
 623         rescans.  Reprocess blocks as needed, calling df_analyze before
 624         reprocessing.  Always call df_analyze before fixing up debug bind
 625         insns.
 626
 627 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
 628
 629         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
 630         big endian.
 631
 632 2019-03-22  Andrew Pinski  <apinski@marvell.com>
 633
 634         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
 635         attrribute for uxtw.
 636
 637 2019-03-26  Jeff Law  <law@redhat.com>
 638
 639         PR rtl-optimization/87761
 640         * config/mips/mips-protos.h (mips_split_move): Add new argument.
 641         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
 642         (mips_split_move): Accept new INSN argument.  Try to forward SRC
 643         into the next instruction.
 644         (mips_split_move_insn): Pass INSN through to mips_split_move.
 645
 646 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
 647
 648         PR rtl-optimization/89676
 649         * lra-constraints.c (curr_insn_transform): Do match reload for
 650         early clobbers even if the match was successful.
 651
 652 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
 653
 654         PR c++/87481
 655         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
 656
 657 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
 658
 659         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
 660
 661 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
 662
 663         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
 664         <avx512>_fmsub_<mode>_mask3<round_name>,
 665         <avx512>_fnmadd_<mode>_mask3<round_name>,
 666         <avx512>_fnmsub_<mode>_mask3<round_name>,
 667         avx512f_vmfmadd_<mode>_mask3<round_name>,
 668         avx512f_vmfmsub_<mode>_mask3<round_name>,
 669         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
 670         instead of register_operand and %v instead of v for match_operand 1.
 671         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
 672         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
 673         <round_nimm_predicate> instead of register_operand and %v instead of v
 674         for match_operand 1.
 675
 676         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
 677         <avx512>_fmadd_<mode>_mask3<round_name>,
 678         <avx512>_fmsub_<mode>_mask<round_name>,
 679         <avx512>_fmsub_<mode>_mask3<round_name>,
 680         <avx512>_fnmadd_<mode>_mask<round_name>,
 681         <avx512>_fnmadd_<mode>_mask3<round_name>,
 682         <avx512>_fnmsub_<mode>_mask<round_name>,
 683         <avx512>_fnmsub_<mode>_mask3<round_name>,
 684         <avx512>_fmaddsub_<mode>_mask<round_name>,
 685         <avx512>_fmaddsub_<mode>_mask3<round_name>,
 686         <avx512>_fmsubadd_<mode>_mask<round_name>,
 687         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
 688         <round_nimm_predicate> instead of nonimmediate_operand.
 689         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
 690         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
 691         Use register_operand instead of <round_nimm_predicate> for the
 692         operand that needs to match output.
 693         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
 694         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
 695         Likewise.  Formatting fixes.
 696
 697         PR target/89784
 698         * config/i386/i386.c (enum ix86_builtins): Remove
 699         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
 700         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
 701         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
 702         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
 703         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
 704         __builtin_ia32_vfmsubss3_mask3): New builtins.
 705         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
 706         avx512f_vmfmadd_<mode>_mask3<round_name>,
 707         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
 708         *avx512f_vmfmsub_<mode>_mask<round_name>,
 709         avx512f_vmfmsub_<mode>_mask3<round_name>,
 710         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
 711         *avx512f_vmfnmadd_<mode>_mask<round_name>,
 712         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
 713         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
 714         *avx512f_vmfnmsub_<mode>_mask<round_name>,
 715         avx512f_vmfnmsub_<mode>_mask3<round_name>,
 716         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
 717         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
 718         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
 719         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
 720         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
 721         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
 722         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
 723         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
 724         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
 725         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
 726         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
 727         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
 728         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
 729         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
 730         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
 731         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
 732         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
 733         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
 734         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
 735         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
 736         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
 737         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
 738
 739 2019-03-21  Martin Sebor  <msebor@redhat.com>
 740
 741         PR tree-optimization/89350
 742         * builtins.c (compute_objsize): Also ignore offsets whose upper
 743         bound is negative.
 744         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
 745         (builtin_memref::builtin_memref): Initialize new member.
 746         Allow EXPR to be null.
 747         (builtin_memref::extend_offset_range): Replace local with a member.
 748         Avoid assuming pointer offsets are unsigned.
 749         (builtin_memref::set_base_and_offset): Determine base object
 750         before computing offset range.
 751         (builtin_access::builtin_access): Handle memset.
 752         (builtin_access::generic_overlap): Replace local with a member.
 753         (builtin_access::strcat_overlap): Same.
 754         (builtin_access::overlap): Same.
 755         (maybe_diag_overlap): Same.
 756         (maybe_diag_access_bounds): Same.
 757         (wrestrict_dom_walker::check_call): Handle memset.
 758         (check_bounds_or_overlap): Same.
 759
 760 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
 761             Jakub Jelinek  <jakub@redhat.com>
 762
 763         PR lto/89692
 764         * tree.c (fld_type_variant, fld_incomplete_type_of,
 765         fld_process_array_type): Call fld->pset.add and don't call
 766         add_tree_to_fld_list if it returns true.
 767         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
 768         non-marked types from TYPE_NEXT_VARIANT list.
 769         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
 770
 771 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
 772
 773         * hash-table.h (hash_table): Add Lazy template parameter defaulted
 774         to false, if true, don't alloc_entries during construction, but defer
 775         it to the first method that needs m_entries allocated.
 776         (hash_table::hash_table, hash_table::~hash_table,
 777         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
 778         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
 779         hash_table::clear_slot, hash_table::traverse_noresize,
 780         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
 781         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
 782         false.
 783         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
 784         NO_INSERT instead of find_with_hash.
 785         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
 786         hash_set::m_table): Add Lazy to template params of hash_table.
 787         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
 788         * attribs.c (test_attribute_exclusions): Likewise.
 789         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
 790         hash_set.  Add tests for hash_set with Lazy = true.
 791
 792 2019-03-21  Richard Biener  <rguenther@suse.de>
 793
 794         PR tree-optimization/89779
 795         * tree.c (tree_nop_conversion): Consolidate and fix defensive
 796         checks with respect to released SSA names now having error_mark_node
 797         type.
 798         * fold-const.c (operand_equal_p): Likewise.
 799
 800 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
 801
 802         PR target/89775
 803         * config/s390/s390.c (global_not_special_regno_p): Move to make it
 804         available to ...
 805         (s390_optimize_register_info): Use global_not_special_regno_p to
 806         check for global regs.
 807
 808 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
 809
 810         PR target/89752
 811         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
 812         update this_alternative nor this_alternative_set.
 813
 814 2019-03-19  Jim Wilson  <jimw@sifive.com>
 815
 816         PR target/89411
 817         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
 818         align, size, offset.  Use them to handle a BLKmode reference.  Update
 819         comment.
 820         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
 821
 822 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 823
 824         PR rtl-optimization/89768
 825         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
 826         instead of GEN_INT.
 827         (unroll_loop_runtime_iterations): Likewise.
 828
 829 2019-03-19  Martin Sebor  <msebor@redhat.com>
 830
 831         PR tree-optimization/89644
 832         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
 833         rather than endptr as an indicator of nul-termination.
 834
 835         PR tree-optimization/89644
 836         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
 837         arrays in determining sequence sizes in strncpy and stpncpy.
 838
 839 2019-03-19  Martin Liska  <mliska@suse.cz>
 840
 841         PR middle-end/89737
 842         * predict.c (combine_predictions_for_bb): Empty likely_edges and
 843         unlikely_edges if there's an edge that belongs to both these sets.
 844
 845 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
 846
 847         PR target/89746
 848         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
 849         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
 850         go via a stack temporary.
 851
 852 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 853
 854         PR target/89378
 855         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
 856         instead of gen_rtx_SUBREG.
 857         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
 858
 859 2019-03-19  Richard Biener  <rguenther@suse.de>
 860
 861         PR debug/88389
 862         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
 863
 864 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
 865
 866         PR lto/87809
 867         PR lto/89335
 868         * tree.c (free_lang_data_in_decl): Do not free context of C++
 869         destrutors.
 870
 871 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 872
 873         PR target/89506
 874         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
 875         subs for the first alternative except when operands[3] is 1.
 876
 877         PR target/89752
 878         * gimplify.c (gimplify_asm_expr): For output argument with
 879         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
 880         diagnose error.
 881
 882 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
 883
 884         PR rtl-optimization/89753
 885         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
 886         explicit unrolling factor even more robust.
 887
 888 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 889
 890         PR target/89726
 891         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
 892         compensation use x2 += 1 instead of x2 -= -1 and when honoring
 893         signed zeros, do another copysign after the compensation.
 894
 895 2019-03-18  Martin Sebor  <msebor@redhat.com>
 896
 897         PR tree-optimization/89720
 898         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
 899         more conservatively, the same as anti-range.
 900
 901 2019-03-18  Richard Biener  <rguenther@suse.de>
 902
 903         PR middle-end/88945
 904         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
 905         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
 906         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
 907         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
 908
 909 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
 910
 911         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
 912         Extend queue to 1024 entries.
 913         Add "consumed" field.
 914         (gomp_print_output): Remove print_index parameter.
 915         Add final parameter.
 916         Change limit to unsigned.
 917         Use consumed field to implement circular buffer.
 918         Detect interrupted print in final pass.
 919         Flush output at the end.
 920         (run): Update gomp_print_output usage.
 921         (main): Initialize kernargs->output_data.consumed.
 922
 923 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
 924
 925         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
 926         calculation of the minimum number of scalar iterations for
 927         fully-predicated loops.
 928
 929 2019-03-18  Martin Jambor  <mjambor@suse.cz>
 930
 931         PR tree-optimization/89546
 932         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
 933         any propagation to its children took place.
 934
 935 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
 936
 937         PR target/89627
 938         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
 939         parameter, and make use of it.
 940         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
 941
 942 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 943
 944         * config/arc/arc.opt (mcode-density-frame): Get the inital value
 945         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
 946         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
 947         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
 948         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
 949         match what the ops is doing.
 950         (push_multi_fp_blink): Likewise.
 951         * config/arc/arc.c (arc_override_options): Enable enter/leave when
 952         compiling for size and elf target.
 953         (arc_save_callee_enter): Adjust note to match what enter/leave
 954         operation does.
 955
 956 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 957
 958         * config/arc/arc.md (tst_movb): Fix constraint.
 959
 960 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 961
 962         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
 963
 964 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 965
 966         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
 967         * config/arc/arc.c (arc_conditional_register_usage): Remove all
 968         reg_alloc_order references.
 969         (size_alloc_order): Define.
 970         (arc_adjust_reg_alloc_order): New function.
 971         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
 972         order.
 973         (ADJUST_REG_ALLOC_ORDER): Define.
 974         (HONOR_REG_ALLOC_ORDER): Likewise.
 975
 976 2019-03-18  Richard Biener  <rguenther@suse.de>
 977
 978         PR target/87561
 979         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
 980         loads and stores a bit more.
 981
 982 2019-03-18  Richard Biener  <rguenther@suse.de>
 983
 984         PR target/87561
 985         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
 986         load pessimization to stores as well.
 987
 988 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
 989
 990         PR middle-end/86979
 991         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
 992         successor, use NULL as its av set.
 993
 994 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
 995
 996         PR rtl-optimization/89721
 997         * lra-constraints (invariant_p): Return false if side_effects_p holds.
 998
 999 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1000
1001         PR target/87532
1002         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1003         When handling vec_extract, use modular arithmetic to allow
1004         constant selectors greater than vector length.
1005         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
1006         V1TImode vectors to have constant selector values greater than 0.
1007         Use modular arithmetic to compute vector index.
1008         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
1009         index for in-memory vectors.  Correct code generation for
1010         in-register vectors.
1011         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
1012         compute index.
1013
1014 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
1015
1016         PR c++/88534
1017         PR c++/88537
1018         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
1019         VAR_DECL args.
1020
1021 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
1022
1023         PR c++/89709
1024         * tree.c (inchash::add_expr): Strip any location wrappers.
1025         * fold-const.c (operand_equal_p): Move stripping of location wrapper
1026         after hash verification.
1027
1028         PR debug/89704
1029         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
1030         SIGN_EXTEND and ZERO_EXTEND.
1031
1032 2019-03-14  Jason Merrill  <jason@redhat.com>
1033             Jakub Jelinek  <jakub@redhat.com>
1034
1035         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
1036         than if is_empty (*slot).
1037         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
1038         existing elt and for elt removal.
1039         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
1040         of already removed elt.
1041
1042 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
1043
1044         PR target/89650
1045         * config/i386/i386.c (remove_partial_avx_dependency): Handle
1046         REG_EH_REGION note.
1047
1048 2019-03-14  Martin Liska  <mliska@suse.cz>
1049
1050         PR other/89712
1051         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
1052
1053 2019-03-14  Richard Biener  <rguenther@suse.de>
1054
1055         PR target/89711
1056         * config/i386/i386.c (make_resolver_func): Properly set
1057         DECL_CONTEXT on the RESULT_DECL.
1058         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
1059
1060 2019-03-14  Richard Biener  <rguenther@suse.de>
1061
1062         * gimple-pretty-print.c: Include cfgloop.h.
1063         (dump_gimple_phi): Adjust.
1064         (dump_gimple_bb_header): Dump loop header for GIMPLE.
1065         (pp_cfg_jump): Adjust.
1066         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
1067         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
1068         (lower_phi_internal_fn): Remove.
1069         (verify_gimple_call): Remove IFN_PHI special-casing.
1070         (dump_function_to_file): Dump IL state.
1071         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
1072         done to deal with PHI nodes being present in non-SSA state.
1073
1074 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
1075
1076         PR ipa/89684
1077         * multiple_target.c (create_dispatcher_calls): Change
1078         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
1079         In the node->iterate_referring loop, push *ref rather than ref, call
1080         ref->remove_reference () and always pass 0 to iterate_referring.
1081
1082         PR rtl-optimization/89679
1083         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
1084         would contain a paradoxical SUBREG.
1085
1086 2019-03-14  Richard Biener  <rguenther@suse.de>
1087
1088         PR tree-optimization/89710
1089         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
1090         safe_dyn_cast.
1091
1092 2019-03-14  Martin Liska  <mliska@suse.cz>
1093
1094         * coverage.c (coverage_begin_function): Stream also
1095         end_column.
1096         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
1097         documentation about function declaration location.
1098         * gcov-dump.c (tag_function): Print whole range
1099         of function declaration.
1100         * gcov.c (struct function_info): Add end_column field.
1101         (function_info::function_info): Initialize it.
1102         (output_json_intermediate_file): Output {start,end}_column
1103         fields.
1104         (read_graph_file): Read end_column.
1105
1106 2019-03-14  Richard Biener  <rguenther@suse.de>
1107
1108         PR middle-end/89698
1109         * fold-const.c (operand_equal_p): For INDIRECT_REF check
1110         that the access types are similar.
1111
1112 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
1113
1114         PR tree-optimization/89703
1115         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
1116         aren't compatible also with builtin_decl_explicit.  Check pure
1117         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
1118         and BUILT_IN_STPNCPY{,_CHK}.
1119
1120 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
1121
1122         PR target/89523
1123         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
1124         addr32 prefix to VSIB address for X32.
1125         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
1126         "%M2" to opcode.
1127         (*avx512pf_gatherpf<mode>df_mask): Likewise.
1128         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
1129         (*avx512pf_scatterpf<mode>df_mask): Likewise.
1130         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
1131         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
1132         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
1133         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
1134         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
1135         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
1136         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
1137         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
1138         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
1139         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
1140         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
1141         (*avx512f_scatterdi<mode>): Likewise.
1142
1143 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
1144
1145         PR target/85860
1146         * lra-constraints.c (inherit_in_ebb): Update
1147         potential_reload_hard_regs along with live_hard_regs.
1148
1149 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
1150
1151         PR debug/89498
1152         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
1153         DWARF_OFFSET_SIZE.
1154         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
1155
1156 2019-03-13  Martin Sebor  <msebor@redhat.com>
1157
1158         PR tree-optimization/89662
1159         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
1160         has a size.
1161
1162 2019-03-13  Richard Biener  <rguenther@suse.de>
1163
1164         PR middle-end/89677
1165         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
1166         throw FP expressions at tree-affine.
1167
1168 2019-03-14  Richard Biener  <rguenther@suse.de>
1169
1170         * tree-pretty-print.c (dump_generic_node): For -gimple properly
1171         dump negative integer constants using _Literal (type) -num.
1172
1173 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
1174
1175         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
1176         nonlocal_value member.
1177
1178         PR middle-end/88588
1179         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
1180         (ipa_simd_modify_function_body): Handle PHIs.
1181
1182 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
1183
1184         * config/s390/s390.c (s390_option_override_internal): Use more
1185         aggressive inlining parameters.
1186
1187 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
1188
1189         * config/s390/3906.md: New file.
1190         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
1191         (LONGRUNNING_THRESHOLD): Remove.
1192         (MAX_SCHED_MIX_SCORE): Decrease.
1193         (MAX_SCHED_MIX_DISTANCE): Decrease.
1194         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
1195         (struct s390_sched_state): New struct to hold scheduling state.
1196         (S390_SCHED_STATE_NORMAL): Remove.
1197         (S390_SCHED_STATE_CRACKED): Remove.
1198         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
1199         (s390_get_sched_attrmask): Use new attribute.
1200         (s390_get_unit_mask): Use new units.
1201         (s390_is_fpd): New function.
1202         (s390_is_fxd): New function.
1203         (s390_is_longrunning): New function.
1204         (s390_sched_score): Use new functions.
1205         (s390_sched_reorder): Likewise.
1206         (s390_sched_variable_issue): Rework and use new functions.
1207         (s390_sched_init): Use new functions.
1208         * config/s390/s390.h (s390_tune_attr):  Add z14.
1209         * config/s390/s390.md: Add z14.
1210
1211 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
1212
1213         * config/s390/2964.md: Update pipeline description.
1214         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
1215         (LONGRUNNING_THRESHOLD): Remove.
1216         (LATENCY_FACTOR): Remove.
1217         (s390_get_unit_mask): Add unit.
1218         (s390_sched_score): Use fxd/fpd.
1219         (s390_sched_variable_issue): Use fxd/fpd.
1220
1221 2019-03-12  Martin Liska  <mliska@suse.cz>
1222
1223         * config/i386/i386.c: Reword an error message.
1224
1225 2019-03-12  Martin Jambor  <mjambor@suse.cz>
1226
1227         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
1228         terminate with newline.
1229
1230 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
1231
1232         PR target/52726
1233         * config/s390/s390.md (tabort): Use %wd instead of
1234         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
1235         letters and periods.
1236         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
1237         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
1238         's with %< and %>.
1239
1240         PR middle-end/89663
1241         * builtins.c (expand_builtin_int_roundingfn,
1242         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
1243         gcc_unreachable if validate_arglist fails.
1244
1245 2019-03-12  Richard Biener  <rguenther@suse.de>
1246
1247         PR tree-optimization/89664
1248         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
1249         free the occurance tree after the early out.
1250
1251 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
1252
1253         PR middle-end/89655
1254         PR bootstrap/89656
1255         * vr-values.c (vr_values::update_value_range): If
1256         old_vr->varying_p (), don't update it, make new_vr also VARYING
1257         and return false.
1258
1259 2019-03-11  Martin Liska  <mliska@suse.cz>
1260
1261         * config/aarch64/aarch64.c (aarch64_override_options_internal):
1262         Fix double string quoting.
1263
1264 2019-03-11  Martin Liska  <mliska@suse.cz>
1265
1266         * collect-utils.c (collect_wait): Wrap apostrophes
1267         in gcc internal format with %'.
1268         * collect2.c (main): Likewise.
1269         (scan_prog_file): Likewise.
1270         (scan_libraries): Likewise.
1271         * config/i386/i386.c (ix86_expand_call): Likewise.
1272         (ix86_handle_interrupt_attribute): Likewise.
1273         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
1274         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
1275         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
1276         * lto-wrapper.c (find_crtoffloadtable): Likewise.
1277         * symtab.c (symtab_node::verify_base): Likewise.
1278         * tree-cfg.c (verify_gimple_label): Likewise.
1279         * tree.c (verify_type_variant): Likewise.
1280
1281 2019-03-11  Martin Liska  <mliska@suse.cz>
1282
1283         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
1284         in a string format message and fix GNU coding style.
1285         (expand_builtin_set_thread_pointer): Likewise.
1286         * common/config/aarch64/aarch64-common.c (aarch64_rewrite_selected_cpu): Likewise.
1287         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
1288         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
1289         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
1290         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
1291         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
1292         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
1293         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
1294         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
1295         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
1296         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option): Likewise.
1297         * common/config/riscv/riscv-common.c (riscv_subset_list::parsing_subset_version): Likewise.
1298         (riscv_subset_list::parse_std_ext): Likewise.
1299         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
1300         (riscv_subset_list::parse): Likewise.
1301         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
1302         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
1303         (aarch64_override_options_internal): Likewise.
1304         (aarch64_validate_mcpu): Likewise.
1305         (aarch64_validate_march): Likewise.
1306         (aarch64_validate_mtune): Likewise.
1307         (aarch64_override_options): Likewise.
1308         * config/alpha/alpha.c (alpha_option_override): Likewise.
1309         * config/arc/arc.c (arc_init): Likewise.
1310         (parse_mrgf_banked_regs_option): Likewise.
1311         (arc_override_options): Likewise.
1312         (arc_expand_builtin_aligned): Likewise.
1313         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
1314         (arm_expand_builtin): Likewise.
1315         * config/arm/arm.c (arm_option_check_internal): Likewise.
1316         (arm_configure_build_target): Likewise.
1317         (arm_option_override): Likewise.
1318         (arm_options_perform_arch_sanity_checks): Likewise.
1319         (arm_handle_cmse_nonsecure_entry): Likewise.
1320         (arm_handle_cmse_nonsecure_call): Likewise.
1321         (arm_tls_referenced_p): Likewise.
1322         (thumb1_expand_prologue): Likewise.
1323         * config/avr/avr.c (avr_option_override): Likewise.
1324         * config/bfin/bfin.c (bfin_option_override): Likewise.
1325         * config/c6x/c6x.c (c6x_option_override): Likewise.
1326         * config/cr16/cr16.c (cr16_override_options): Likewise.
1327         * config/cris/cris.c (cris_option_override): Likewise.
1328         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
1329         * config/darwin-c.c (macosx_version_as_macro): Likewise.
1330         * config/darwin.c (darwin_override_options): Likewise.
1331         * config/frv/frv.c (frv_expand_builtin): Likewise.
1332         * config/h8300/h8300.c (h8300_option_override): Likewise.
1333         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
1334         (ix86_option_override_internal): Likewise.
1335         (warn_once_call_ms2sysv_xlogues): Likewise.
1336         (ix86_expand_prologue): Likewise.
1337         (split_stack_prologue_scratch_regno): Likewise.
1338         (ix86_warn_parameter_passing_abi): Likewise.
1339         * config/ia64/ia64.c (fix_range): Likewise.
1340         * config/m68k/m68k.c (m68k_option_override): Likewise.
1341         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
1342         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
1343         (mips_set_compression_mode): Likewise.
1344         * config/mmix/mmix.c (mmix_option_override): Likewise.
1345         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
1346         * config/msp430/msp430.c (msp430_option_override): Likewise.
1347         * config/nds32/nds32.c (nds32_option_override): Likewise.
1348         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
1349         (nios2_option_override): Likewise.
1350         (nios2_expand_custom_builtin): Likewise.
1351         * config/nvptx/mkoffload.c (main): Likewise.
1352         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
1353         * config/pa/pa.c (fix_range): Likewise.
1354         (pa_option_override): Likewise.
1355         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
1356         (riscv_option_override): Likewise.
1357         * config/rl78/rl78.c (rl78_option_override): Likewise.
1358         * config/rs6000/aix61.h: Likewise.
1359         * config/rs6000/aix71.h: Likewise.
1360         * config/rs6000/aix72.h: Likewise.
1361         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
1362         * config/rs6000/freebsd64.h: Likewise.
1363         * config/rs6000/linux64.h: Likewise.
1364         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
1365         (rs6000_expand_zeroop_builtin): Likewise.
1366         (rs6000_expand_mtfsb_builtin): Likewise.
1367         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
1368         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
1369         (rs6000_invalid_builtin): Likewise.
1370         (rs6000_expand_split_stack_prologue): Likewise.
1371         * config/rs6000/rtems.h: Likewise.
1372         * config/rx/rx.c (valid_psw_flag): Likewise.
1373         (rx_expand_builtin): Likewise.
1374         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
1375         * config/s390/s390.c (s390_expand_builtin): Likewise.
1376         (s390_function_profiler): Likewise.
1377         (s390_option_override_internal): Likewise.
1378         (s390_option_override): Likewise.
1379         * config/sh/sh.c (sh_option_override): Likewise.
1380         (sh_builtin_saveregs): Likewise.
1381         (sh_fix_range): Likewise.
1382         * config/sh/vxworks.h: Likewise.
1383         * config/sparc/sparc.c (sparc_option_override): Likewise.
1384         * config/spu/spu.c (spu_option_override): Likewise.
1385         (fix_range): Likewise.
1386         * config/visium/visium.c (visium_option_override): Likewise.
1387         (visium_handle_interrupt_attr): Likewise.
1388         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
1389         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
1390         (dbg_cnt_process_opt): Likewise.
1391         * dwarf2out.c (output_dwarf_version): Likewise.
1392         * except.c (expand_eh_return): Likewise.
1393         * gcc.c (defined): Likewise.
1394         (driver_handle_option): Likewise.
1395         (process_command): Likewise.
1396         (compare_files): Likewise.
1397         (driver::prepare_infiles): Likewise.
1398         (driver::do_spec_on_infiles): Likewise.
1399         (driver::maybe_run_linker): Likewise.
1400         * omp-offload.c (oacc_parse_default_dims): Likewise.
1401         * opts-global.c (handle_common_deferred_options): Likewise.
1402         * opts.c (parse_sanitizer_options): Likewise.
1403         (common_handle_option): Likewise.
1404         (enable_warning_as_error): Likewise.
1405         * passes.c (enable_disable_pass): Likewise.
1406         * plugin.c (parse_plugin_arg_opt): Likewise.
1407         (default_plugin_dir_name): Likewise.
1408         * targhooks.c (default_expand_builtin_saveregs): Likewise.
1409         (default_pch_valid_p): Likewise.
1410         * toplev.c (init_asm_output): Likewise.
1411         (process_options): Likewise.
1412         (toplev::run_self_tests): Likewise.
1413         * tree-cfg.c (verify_gimple_call): Likewise.
1414         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
1415         (tree_inlinable_function_p): Likewise.
1416         * var-tracking.c (vt_find_locations): Likewise.
1417
1418 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
1419
1420         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
1421         only on the else branch.
1422
1423 2019-03-11  Martin Liska  <mliska@suse.cz>
1424
1425         * gcov.c (output_intermediate_json_line): Print function
1426         name of each line.
1427         (output_json_intermediate_file): Add new argument.
1428         * doc/gcov.texi: Document the change.
1429
1430 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
1431
1432         PR rtl-optimization/89588
1433         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
1434         explicit unrolling factor more robust.
1435
1436 2019-03-11  Richard Biener  <rguenther@suse.de>
1437
1438         PR tree-optimization/89649
1439         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
1440         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
1441         on the prolog and epilog loops.
1442         (vect_loop_versioning): Return copy of loop.
1443         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
1444         on the non-vectorized version of the loop.
1445
1446 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
1447
1448         PR target/68924
1449         * config/i386/sse.md (*vec_extractv2di_0_sse):
1450         Add (=r,x) alternative and corresponding splitter.
1451
1452 2019-03-10  Martin Jambor  <mjambor@suse.cz>
1453
1454         PR tree-optimization/85762
1455         PR tree-optimization/87008
1456         PR tree-optimization/85459
1457         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
1458         it points to if there is a type changing MEM_REF.  Adjust all callers.
1459         (build_accesses_from_assign): Disable total scalarization if
1460         contains_vce_or_bfcref_p returns true through the new parameter, for
1461         both rhs and lhs.
1462
1463 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
1464
1465         PR c/88568
1466         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
1467         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
1468
1469         PR target/79645
1470         * common.opt (fdiagnostics-show-labels,
1471         fdiagnostics-show-line-numbers, fdiagnostics-format=,
1472         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
1473         gas-locview-support, ginline-points, ginternal-reset-location-views):
1474         Terminate description text with a dot.
1475         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
1476         * config/mcore/mcore.opt (m210, m340): Likewise.
1477         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
1478         mnops=): Start description text with a capital letter.
1479         * config/arc/arc.opt (msize-level=): Likewise.
1480         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
1481         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
1482         mnewlib): Likewise.
1483         * config/ft32/ft32.opt (msim): Likewise.
1484         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
1485         (mnodiv, mnopm): Terminate description text with a dot.
1486         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
1487         a colon.
1488         * config/i386/i386.opt (prefer_vector_width, instrument_return):
1489         Likewise.
1490         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
1491         text.
1492
1493         PR rtl-optimization/89634
1494         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
1495         are modified in BB_END (e->src) instruction.
1496
1497 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
1498
1499         PR target/79926
1500         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
1501         messages more amenable to translation, and improve wording.
1502
1503 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
1504
1505         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
1506         ud- and du-chains between phases.
1507
1508 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
1509
1510         PR debug/89631
1511         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
1512         instead of POLY_INT_CST.
1513
1514 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
1515
1516         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
1517         requirement.
1518
1519 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
1520
1521         PR target/68924
1522         PR target/78782
1523         PR target/87558
1524         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
1525         (_mm_storeu_si64): Ditto.
1526
1527 2019-03-08  Martin Liska  <mliska@suse.cz>
1528
1529         PR target/86952
1530         * config/i386/i386.c (ix86_option_override_internal): Disable
1531         jump tables when retpolines are used.
1532
1533 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
1534
1535         PR go/63560
1536         * ipa-split.c (execute_split_functions): Do not split
1537         'noinline' or 'section' function.
1538
1539 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1540
1541         PR target/79846
1542         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
1543         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
1544         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
1545
1546         PR ipa/80000
1547         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
1548         from diagnostics.  Formatting fixes.
1549
1550         PR target/85665
1551         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
1552         warn_odr diagnostics.
1553
1554         PR other/80058
1555         * lra-constraints.c (process_alt_operands): Avoid one space before
1556         " at the end of line and another after " on another line in a string
1557         literal.
1558         * attribs.c (handle_dll_attribute): Likewise.
1559         * config/avr/avr-devices.c (avr_texinfo): Likewise.
1560
1561         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
1562         warning_at or inform messages in G_() if there is no ?:.
1563
1564         PR tree-optimization/89550
1565         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
1566         returned true.  Formatting fixes.
1567         (expand_builtin_strnlen): Formatting fixes.
1568         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
1569         if warning_at returned true.
1570         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
1571
1572 2019-03-08  Richard Biener  <rguenther@suse.de>
1573
1574         PR middle-end/89578
1575         * cfgloop.h (struct loop): Add owned_clique field.
1576         * cfgloopmanip.c (copy_loop_info): Copy it.
1577         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
1578         cliques.
1579         * tree-inline.c (copy_loops): Remap owned_clique.
1580         * lto-streamer-in.c (input_cfg): Stream owned_clique.
1581         * lto-streamer-out.c (output_cfg): Likewise.
1582
1583 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1584
1585         PR target/80190
1586         * config/darwin.c: Include intl.h.
1587         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
1588         composing the message out of two separate parts.
1589
1590 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
1591
1592         PR target/80003
1593         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
1594         doesn't start with a capital letter and doesn't end with a dot.
1595         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
1596         with a capital letter.
1597         (ix86_mangle_function_version_assembler_name): Likewise.
1598         (ix86_generate_version_dispatcher_body): Likewise.
1599         (fold_builtin_cpu): Likewise.
1600         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
1601         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
1602         translators, wrap full type name in %qs.
1603
1604         PR translation/79999
1605         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
1606         depend clause with source (or sink) modifier.
1607         * omp-expand.c (expand_omp_ordered_sink): Likewise.
1608
1609         PR target/89602
1610         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
1611         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
1612         (avx512f_load<mode>_mask): New define_expand.
1613         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
1614         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
1615         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
1616         __builtin_ia32_movess_mask): New builtins.
1617         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
1618         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
1619         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
1620         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
1621
1622 2019-03-07  Martin Jambor  <mjambor@suse.cz>
1623
1624         PR lto/87525
1625         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
1626         for extern inline functions.
1627
1628 2019-03-07  Martin Jambor  <mjambor@suse.cz>
1629
1630         PR ipa/88235
1631         * cgraph.h (cgraph_node): New inline method former_thunk_p.
1632         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
1633         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
1634         have multiple callees.  At the end check if declarations match as
1635         opposed to cgraph_nodes.
1636
1637 2019-03-07  Martin Liska  <mliska@suse.cz>
1638
1639         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
1640         which is equivalent to searching for this in clones chain.
1641         * symtab.c (symtab_node::verify_base): Similarly compare ASM
1642         names with a neighbour and special case first node in a chain.
1643
1644 2019-01-25  Jason Merrill  <jason@redhat.com>
1645
1646         PR c++/80916 - spurious "static but not defined" warning.
1647         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
1648         for an internal symbol with DECL_EXTERNAL.
1649
1650 2019-04-07  Richard Biener  <rguenther@suse.de>
1651
1652         PR middle-end/89618
1653         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
1654         * tree-inline.c (copy_loops): Simplify.
1655
1656 2019-03-07  Martin Liska  <mliska@suse.cz>
1657
1658         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
1659
1660 2019-03-07  Richard Biener  <rguenther@suse.de>
1661
1662         PR tree-optimization/89595
1663         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
1664         stmt iterator as reference, take boolean output parameter to
1665         indicate whether the stmt was removed and thus the iterator
1666         already advanced.
1667         (dom_opt_dom_walker::before_dom_children): Re-iterate over
1668         stmts created by folding.
1669
1670 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
1671
1672         PR c++/89585
1673         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
1674         at toplevel.
1675
1676 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
1677
1678         PR rtl-optimization/88845
1679         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
1680         LRA.
1681         * lra.c (remove_scratches_1): New function.
1682         (remove_scratches): Use it.
1683         (lra_emit_move): Likewise.
1684
1685 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
1686
1687         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
1688         unaligned_access variable.
1689         * config/arc/arc.c (arc_override_options): Set unaligned access
1690         default on for HS CPUs.
1691         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
1692
1693 2019-03-06  Martin Liska  <mliska@suse.cz>
1694
1695         PR gcov-profile/89577
1696         * doc/gcov.texi: Prefer to use --coverage.
1697         * doc/sourcebuild.texi: Likewise.
1698
1699 2019-03-02  Jason Merrill  <jason@redhat.com>
1700
1701         PR c++/86485 - -Wmaybe-unused with empty class ?:
1702         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
1703
1704 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1705
1706         PR target/89587
1707         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
1708         if_multiarch.
1709
1710         PR middle-end/89590
1711         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
1712         exactly one argument.
1713
1714 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1715             Richard Sandiford  <richard.sandiford@arm.com>
1716
1717         PR tree-optimization/89570
1718         * match.pd (vec_cond into cond_op simplification): Don't use
1719         get_conditional_internal_fn, use as_internal_fn (cond_op).
1720
1721 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
1722
1723         PR target/89222
1724         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
1725         to decide when to split off a non-zero offset from a symbol.
1726         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
1727         in function symbols.
1728
1729 2019-03-05  Richard Biener  <rguenther@suse.de>
1730
1731         PR tree-optimization/89594
1732         * tree-if-conv.c (pass_if_conversion::execute): Handle
1733         case where .LOOP_VECTORIZED_FUNCTION was removed.
1734
1735 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1736
1737         PR bootstrap/89560
1738         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
1739         instead alloca it only when needed with the needed size.
1740
1741         PR tree-optimization/89570
1742         * match.pd (vec_cond into cond_op simplification): Guard with
1743         vectorized_internal_fn_supported_p test and #if GIMPLE.
1744
1745         PR tree-optimization/89566
1746         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
1747         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
1748         Punt if get_user_idx_format succeeds, but idx_format argument is
1749         not provided or doesn't have pointer type, or if idx_args is above
1750         number of provided arguments.
1751
1752 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
1753
1754         PR tree-optimization/89437
1755         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
1756
1757 2019-03-04  Richard Biener  <rguenther@suse.de>
1758
1759         PR middle-end/89572
1760         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
1761         safe_dyn_cast.
1762
1763 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
1764
1765         PR tree-optimization/89487
1766         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
1767         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
1768         (distribute_loop): Don't do runtime alias check if there is non-
1769         addressable data reference.
1770         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
1771         is a register variable.
1772
1773 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
1774
1775         PR target/89506
1776         * config/arm/arm.md (cmpsi2_addneg): Use
1777         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
1778         If operands[2] is 0 or INT_MIN, force use of subs.
1779         (*compare_scc splitter): Use gen_int_mode.
1780         (*negscc): Likewise.
1781         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
1782
1783 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
1784             Monk Chiang  <sh.chiang04@gmail.com>
1785
1786         * common/config/riscv/riscv-common.c: Include sstream.
1787         (riscv_subset_list::to_string): New.
1788         (riscv_arch_str): Likewise.
1789         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
1790         * config.in: Regen.
1791         * config/riscv/riscv-protos.h (riscv_arch_str): New.
1792         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
1793         (riscv_emit_attribute): New.
1794         (riscv_file_start): Emit attribute if needed.
1795         (riscv_option_override): Init riscv_emit_attribute_p.
1796         * config/riscv/riscv.opt (mriscv-attribute): New option.
1797         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
1798         * configure: Regen.
1799         * doc/install.texi: Document --with-riscv-attribute.
1800         * doc/invoke.texi: Document -mriscv-attribute.
1801
1802         * common/config/riscv/riscv-common.c:
1803         Include config/riscv/riscv-protos.h.
1804         (INCLUDE_STRING): Defined.
1805         (RISCV_DONT_CARE_VERSION): Defined.
1806         (riscv_subset_t): Declare.
1807         (riscv_subset_t::riscv_subset_t): New.
1808         (riscv_subset_list): Declare.
1809         (riscv_subset_list::riscv_subset_list): New.
1810         (riscv_subset_list::~riscv_subset_list): Likewise.
1811         (riscv_subset_list::parsing_subset_version): Likewise.
1812         (riscv_subset_list::parse_std_ext): Likewise.
1813         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
1814         (riscv_subset_list::add): Likewise.
1815         (riscv_subset_list::lookup): Likewise.
1816         (riscv_subset_list::xlen): Likewise.
1817         (riscv_subset_list::parse): Likewise.
1818         (riscv_supported_std_ext): Likewise.
1819         (current_subset_list): Likewise.
1820         (riscv_parse_arch_string): Using riscv_subset_list::parse to
1821         parse.
1822
1823 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
1824
1825         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
1826         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
1827         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
1828
1829 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
1830
1831         PR rtl-optimization/85899
1832         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
1833         fallthru edges leading to the exit block.
1834
1835 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
1836
1837         PR target/89517
1838         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
1839         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
1840
1841 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
1842
1843         PR tree-optimization/89535
1844         * tree-vect-stmts.c (vectorizable_call): Record the vector types
1845         for each operand.  Calculate the fallback choice for mask operands
1846         and pass it to vect_get_vec_def_for_operand.
1847
1848 2019-03-01  Richard Biener  <rguenther@suse.de>
1849
1850         PR middle-end/89541
1851         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
1852         get virtual operands.
1853         (get_expr_operands): Handle CONST_DECL like other decls.
1854
1855 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
1856
1857         PR middle-end/89503
1858         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
1859         on DECL_P and EXPR_P.
1860
1861 2019-03-01  Richard Biener  <rguenther@suse.de>
1862
1863         PR middle-end/89497
1864         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
1865         argument, defaulted to zero.
1866         * passes.c (execute_function_todo): Pass down SSA update flags
1867         to cleanup_tree_cfg.
1868         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
1869         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
1870         form if requested.
1871         (cleanup_tree_cfg): Get and pass down SSA update flags.
1872
1873 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
1874
1875         PR bootstrap/89539
1876         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
1877         early_lto_debug argument.
1878
1879 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
1880
1881         PR tree-optimization/89536
1882         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
1883         only whether bit #0 of the value is 0 instead of the entire value.
1884
1885 2019-02-28  Marek Polacek  <polacek@redhat.com>
1886
1887         PR c++/87068 - missing diagnostic with fallthrough statement.
1888         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
1889         at the end of a seq, save its location to walk_stmt_info.
1890         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
1891         a switch.
1892
1893 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
1894
1895         PR lto/88585
1896         * tree.c (find_atomic_core_type): Move ahead in file.
1897         (check_base_type): Correctly compare alignments of atomic types.
1898
1899 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
1900
1901         PR target/89455
1902         * config/i386/i386.c (get_builtin_code_for_version): Identify
1903         Westmere from PCLMUL, instead of AES.
1904
1905 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
1906
1907         PR target/89434
1908         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
1909         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
1910         -UINTVAL (...).
1911
1912 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
1913
1914         PR target/88530
1915         * config/aarch64/aarch64-option-extensions.def: Document it.
1916         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
1917         if empty hwcaps.
1918
1919 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
1920
1921         PR c/89520
1922         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
1923         builtins if they don't have a single scalar floating point argument.
1924         Formatting fixes.
1925
1926 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1927
1928         PR rtl-optimization/89490
1929         * varasm.c (get_block_for_section): Bail out for mergeable sections.
1930         (default_use_anchors_for_symbol_p, output_object_block): Assert the
1931         block section is not mergeable.
1932
1933 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
1934
1935         PR target/70341
1936         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
1937         old define_insn to ...
1938         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
1939         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
1940         Rename old define_insn to ...
1941         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
1942         (thumb2_casesi_internal_pic): New define_expand.  Rename old
1943         define_insn to ...
1944         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
1945         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
1946         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
1947
1948 2019-02-27  Richard Biener  <rguenther@suse.de>
1949
1950         PR debug/88878
1951         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
1952
1953 2019-02-27  Richard Biener  <rguenther@suse.de>
1954
1955         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
1956         building.
1957
1958 2019-02-27  Richard Biener  <rguenther@suse.de>
1959
1960         PR debug/88878
1961         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
1962         parameter, prefix section name with .gnu.debuglto_ if true.
1963         (dwarf2out_finish): Pass false to output_comdat_type_unit.
1964         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
1965
1966 2019-02-27  Richard Biener  <rguenther@suse.de>
1967
1968         PR debug/89514
1969         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
1970         rather than on use_debug_types, doing what output_die does.
1971         (value_format): Likewise.
1972
1973 2019-02-27  Martin Jambor  <mjambor@suse.cz>
1974             Martin Sebor  <msebor@redhat.com>
1975
1976         * doc/invoke.texi (Warning Options): Reword description of
1977         -Wno-absolute-value.
1978
1979 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
1980
1981         PR tree-optimization/89280
1982         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
1983         builtin_setjmp_setup_bb): New functions.
1984         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
1985         When visiting __builtin_setjmp_setup block, queue in special
1986         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
1987         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
1988         from visited after the loop if they don't have any visited successor
1989         blocks.
1990
1991 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
1992
1993         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
1994         New function.
1995         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
1996
1997 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
1998
1999         PR c++/89507
2000         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
2001         with types other than sizetype/ssizetype.
2002
2003 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
2004
2005         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
2006         (enum sparc_processor_type): ...this.
2007         (enum sparc_code_model_type): New enumeration type.
2008         (enum sparc_memory_model_type): Tweak comments.
2009         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
2010         (mtune): Likewise.
2011         (mcmodel): Use sparc_code_model enumeration and variable.
2012         (sparc_code_model): New enumeration.
2013         (mdebug): Add Undocumented marker.
2014         * config/sparc/sparc.h (enum cmodel): Delete.
2015         (sparc_cmodel): Likewise.
2016         (TARGET_CM_MEDLOW): Adjust to above renaming.
2017         (TARGET_CM_MEDMID): Likewise.
2018         (TARGET_CM_MEDANY): Likewise.
2019         (TARGET_CM_EMBMEDANY): Likewise.
2020         * config/sparc/sparc.c (sparc_cmodel): Delete.
2021         (sparc_option_override): Remove string/value mapping support for the
2022         code model.  Move code and memory model support to after the handling
2023         of target flags.  Do private machine setup last.
2024         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
2025         (sparc_legitimize_reload_address): Likewise.
2026         (sparc_output_mi_thunk): Likewise.
2027         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
2028
2029 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR tree-optimization/89500
2032         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
2033         (handle_builtin_strlen): Remove noncst_bound variable.  Always
2034         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
2035         cst if the first cst bytes starting at x are known to be non-zero,
2036         even if the string is not zero terminated.  Don't try to modify
2037         *si for strnlen.  Update strlen_to_stridx only for strlen or if
2038         we can prove strnlen returns the same value as strlen would.
2039
2040 2019-02-26  Martin Liska  <mliska@suse.cz>
2041
2042         * alloc-pool.h (struct pool_usage): Remove extra
2043         print_dash_line.
2044         * bitmap.h (struct bitmap_usage): Likewise.
2045         * ggc-common.c (struct ggc_usage): Likewise.
2046         * mem-stats.h (struct mem_usage): Likewise.
2047         (mem_alloc_description::dump): Print dash lines
2048         here and repeat header at the end of a table report.
2049         It's then more readable.
2050         * tree-phinodes.c (phinodes_print_statistics): Make
2051         horizontal alignment.
2052         * tree-ssanames.c (ssanames_print_statistics): Likewise.
2053         * vec.c (struct vec_usage): Remove extra print_dash_line.
2054         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
2055
2056 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
2057
2058         * doc/extend.texi (__builtin_object_size):
2059         Use @pxref instead of @xref inside parenthesis.
2060         (__builtin_has_attribute): Add missing comma after @xref.
2061         (__builtin_object_size): Ditto.
2062         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
2063         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
2064         in the list.
2065
2066 2019-02-26  Jeff Law  <law@redhat.com>
2067
2068         PR rtl-optimization/87761
2069         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
2070         detect obviously dead insns and delete them.
2071
2072 2019-02-26  Richard Biener  <rguenther@suse.de>
2073
2074         PR tree-optimization/89505
2075         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
2076         to handle restrict pointed-to vars with multiple subvars
2077         correctly.
2078
2079 2019-02-26  Richard Biener  <rguenther@suse.de>
2080
2081         PR tree-optimization/89489
2082         * tree-parloops.c (create_loop_fn): Copy over last_clique.
2083
2084 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
2085
2086         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
2087         and move around comment.
2088         <BIT_AND_EXPR>: Likewise.
2089         <BIT_NOT_EXPR>: Add specific handling for boolean types.
2090
2091 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
2092
2093         PR target/89474
2094         * config/i386/i386.c (remove_partial_avx_dependency): Call
2095         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
2096         after changing possibly many instructions to use that pseudo.  Fix up
2097         insertion of v4sf_const0 setter at the start of bb.
2098
2099 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
2100
2101         PR c/80409
2102         * doc/extend.texi (Variadic Pointer Args): New section.
2103
2104 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
2105             Martin Sebor  <msebor@gmail.com>
2106
2107         * common.opt (Wattribute-alias): Likewise.
2108         * doc/invoke.texi (Option Summary): List general form of
2109         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
2110         (-Wmissing-attributes): Invert entry, rewrite and correct default.
2111         Add cross-references.
2112         (-Wattribute-alias): Rewrite and correct default.  Mention
2113         considered attributes (same as for -Wmissing-attributes).
2114
2115 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
2116
2117         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
2118         (_mm_cvtpd_ps): Likewise.
2119         (_mm_cvttpd_epi32): Likewise.
2120
2121         PR target/89338
2122         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
2123         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
2124
2125         PR target/89339
2126         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
2127
2128 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
2129
2130         PR target/88530
2131         * common/config/aarch64/aarch64-common.c
2132         (struct aarch64_option_extension): Add is_synthetic.
2133         (all_extensions): Use it.
2134         (TARGET_OPTION_INIT_STRUCT): Define hook.
2135         (struct gcc_targetm_common): Moved to end.
2136         (all_extensions_by_on): New.
2137         (opt_ext_cmp, typedef opt_ext): New.
2138         (aarch64_option_init_struct): New.
2139         (aarch64_contains_opt): New.
2140         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
2141         * config/aarch64/aarch64-option-extensions.def
2142         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
2143         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
2144         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
2145         Set is_synthetic to false.
2146         (crypto): Set is_synthetic to true.
2147         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
2148         SYNTHETIC.
2149
2150 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
2151
2152         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
2153         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
2154         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
2155         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
2156         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
2157         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
2158         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
2159         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
2160         Rename ...
2161         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
2162         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
2163         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
2164         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
2165         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
2166         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
2167         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
2168         vfmlsl_laneq_high_f16): ... To this.
2169         * config/arm/neon.md: Update comments.
2170
2171 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
2172
2173         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
2174         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
2175         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
2176         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
2177         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
2178         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
2179         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
2180         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
2181         Rename ...
2182         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
2183         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
2184         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
2185         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
2186         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
2187         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
2188         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
2189         vfmlslq_laneq_high_f16): ... To this.
2190
2191 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
2192
2193         PR rtl-optimization/86096
2194         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
2195         comparing mw_order values.
2196
2197 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
2198
2199         PR target/89434
2200         * config/arm/arm.md (*subsi3_carryin_const): Use
2201         arm_neg_immediate_operand predicate instead of
2202         arm_not_immediate_operand, "L" constraint instead of "K" and
2203         print it using %n2 instead of %B2.
2204         (*subsi3_carryin_const0): New define_insn.
2205         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
2206         instead of arm_not_operand and "I" constraint instead of "K" and
2207         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
2208         another match_operand and in the condition check that it is negation
2209         of operands[2].
2210         (*subsi3_carryin_compare_const0): New define_ins.
2211         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
2212         *subsi3_carryin_const.
2213         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
2214         split into *subsi3_carryin_compare_const0 if the highpart is zero.
2215
2216         PR target/89438
2217         * config/arm.vfp.md (*negdf2_vfp): Use
2218         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
2219         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
2220
2221 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
2222
2223         PR rtl-optimization/89445
2224         * simplify-rtx.c (simplify_ternary_operation): Don't use
2225         simplify_merge_mask on operands that may trap.
2226         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
2227         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
2228         second operand is CONST_VECTOR, check if any element could be zero.
2229         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
2230         their operands can trap.
2231
2232 2019-02-23  Martin Sebor  <msebor@redhat.com>
2233
2234         * gimple-ssa-sprintf.c (target_strtol): Rename...
2235         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
2236         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
2237         check for range error.
2238
2239 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
2240
2241         PR driver/69471
2242         * opts-common.c (prune_options): Also prune joined switches
2243         with Negative and RejectNegative.
2244         * config/i386/i386.opt (march=): Add Negative(march=).
2245         (mtune=): Add Negative(mtune=).
2246         * doc/options.texi: Document Negative used together with Joined
2247         and RejectNegative.
2248
2249 2019-02-22  Martin Sebor  <msebor@redhat.com>
2250
2251         * doc/extend.texi (Other Builtins): Add
2252         __builtin_is_constant_evaluated.
2253
2254 2019-02-22  Richard Biener  <rguenther@suse.de>
2255
2256         PR tree-optimization/87609
2257         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
2258
2259 2019-02-22  Jeff Law  <law@redhat.com>
2260
2261         PR rtl-optimization/87761
2262         * config/mips/mips.md: Add new combiner pattern to recognize
2263         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
2264
2265 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2266
2267         PR target/89324
2268         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
2269         destination register in peepholes generating patterns for ADDS/SUBS.
2270         (add<mode>3_compare0,
2271         *addsi3_compare0_uxtw, add<mode>3_compareC,
2272         add<mode>3_compareV_imm, add<mode>3_compareV,
2273         *adds_<optab><ALLX:mode>_<GPI:mode>,
2274         *subs_<optab><ALLX:mode>_<GPI:mode>,
2275         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
2276         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
2277         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
2278         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
2279         sub<mode>3_compare1): Allow stack pointer for source register.
2280         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
2281
2282 2019-02-22  Martin Sebor  <msebor@redhat.com>
2283
2284         PR tree-optimization/88993
2285         PR tree-optimization/88853
2286         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
2287         New helper.
2288         (sprintf_dom_walker::call_info::is_string_func): New helper.
2289         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
2290         for formatted string functions.
2291         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
2292
2293 2019-02-22  Martin Sebor  <msebor@redhat.com>
2294
2295         PR c/89425
2296         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
2297         unreachable subexpressions.
2298
2299 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
2300             Hongtao Liu  <hongtao.liu@intel.com>
2301             Sunil K Pandey  <sunil.k.pandey@intel.com>
2302
2303         PR target/87007
2304         * config/i386/i386-passes.def: Add
2305         pass_remove_partial_avx_dependency.
2306         * config/i386/i386-protos.h
2307         (make_pass_remove_partial_avx_dependency): New.
2308         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
2309         New function.
2310         (pass_data_remove_partial_avx_dependency): New.
2311         (pass_remove_partial_avx_dependency): Likewise.
2312         (make_pass_remove_partial_avx_dependency): Likewise.
2313         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
2314         (*extendsfdf2): Add avx_partial_xmm_update.
2315         (truncdfsf2): Likewise.
2316         (*float<SWI48:mode><MODEF:mode>2): Likewise.
2317         (SF/DF conversion splitters): Disabled for TARGET_AVX.
2318
2319 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
2320
2321         PR middle-end/85598
2322         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
2323         analysis for pass.
2324
2325 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
2326
2327         PR target/89444
2328         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
2329         (PTA_SKYLAKE): Add PTA_AES.
2330         (PTA_GOLDMONT): Likewise.
2331
2332 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
2333
2334         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
2335         instruction if enabled.
2336         (aarch64_override_options): Remove reference to return address key.
2337
2338 2019-02-22  Richard Biener  <rguenther@suse.de>
2339
2340         PR tree-optimization/89440
2341         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
2342         not necessary assert.
2343
2344 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
2345
2346         PR fortran/72741
2347         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
2348         (oacc_replace_fn_attrib_attr): ... this new function.
2349         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
2350         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
2351
2352 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2353
2354         * config/arm/arm-cpus.in (ares): Rename to...
2355         (neoverse-n1): ... This.  Add ares as alias.
2356         * config/arm/arm-tables.opt: Regenerate.
2357         * config/arm/arm-tune.md: Likewise.
2358         * doc/invoke.txt (ARM Options): Document neoverse-n1.
2359
2360 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2361
2362         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
2363         * config/aarch64/aarch64-tune.md: Regenerate.
2364         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
2365
2366 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2367
2368         * config/aarch64/aarch64.c (ares_tunings): Rename to...
2369         (neoversen1_tunings): ... This.
2370         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
2371         (neoverse-n1): New CPU.
2372         * config/aarch64/aarch64-tune.md: Regenerate.
2373         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
2374
2375 2019-02-22  Richard Biener  <rguenther@suse.de>
2376
2377         PR middle-end/87609
2378         * cfghooks.h (dependence_hash): New typedef.
2379         (struct copy_bb_data): New type.
2380         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
2381         (duplicate_block): Likewise.
2382         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
2383         (copy_bbs): Create and pass down copy_bb_data.
2384         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
2385         (rtl_duplicate_bb): Likewise.
2386         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
2387         remap dependence info.
2388
2389 2019-02-22  Richard Biener  <rguenther@suse.de>
2390
2391         PR tree-optimization/87609
2392         * tree-core.h (tree_base): Document special clique values.
2393         * tree-inline.c (remap_dependence_clique): Do not use the
2394         special clique value of one.
2395         (maybe_set_dependence_info): Use clique one.
2396         (clear_dependence_clique): New callback.
2397         (compute_dependence_clique): Clear clique one from all refs
2398         before assigning it (again).
2399
2400 2019-02-21  Martin Sebor  <msebor@redhat.com>
2401
2402         * doc/extend.texi (__clear_cache): Correct signature.
2403
2404 2019-02-21  Ian Lance Taylor  <iant@golang.org>
2405
2406         PR go/89170
2407         * varasm.c (decode_addr_const): Call lookup_constant_def rather
2408         than output_constant_def.
2409         (add_constant_to_table): New static function.
2410         (output_constant_def): Call add_constant_to_table.
2411         (tree_output_constant_def): Likewise.
2412
2413 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
2414
2415         PR c++/89285
2416         * builtins.c (fold_builtin_arith_overflow): If first two args are
2417         INTEGER_CSTs, set intres and ovfres to constants rather than calls
2418         to ifn.
2419
2420 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2421
2422         PR target/87412
2423         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
2424         error for -mindirect-branch/-mfunction-return with incompatible
2425         -fcf-protection.
2426
2427 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
2428
2429         PR bootstrap/88714
2430         * constraints.md (q): Remove.
2431         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
2432         instead of q.
2433
2434 2019-02-21  Martin Jambor  <mjambor@suse.cz>
2435
2436         PR hsa/89302
2437         * omp-general.c (omp_extract_for_data): Removed a duplicate call
2438         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
2439         (omp_adjust_for_condition): ...here.  Added necessary parameters.
2440         * omp-general.h (omp_adjust_for_condition): Updated declaration.
2441         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
2442         proper values to new parameters of omp_adjust_for_condition.
2443
2444 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
2445
2446         PR middle-end/89412
2447         * expr.c (expand_assignment): If result is a MEM, use change_address
2448         instead of simplify_gen_subreg.
2449
2450 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
2451             David Malcolm  <dmalcolm@redhat.com>
2452
2453         PR middle-end/89091
2454         * fold-const.c (decode_field_reference): Return NULL_TREE if
2455         lang_hooks.types.type_for_size returns NULL.  Check it before
2456         overwriting *exp_.  Use return NULL_TREE instead of return 0.
2457
2458 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR middle-end/88074
2461         PR middle-end/89415
2462         * toplev.c (do_compile): Double the emin/emax exponents to workaround
2463         buggy mpc_norm.
2464
2465 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
2466
2467         PR target/89397
2468         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
2469         TARGET_SSE in addition to TARGET_SSE_MATH.
2470
2471         (ix86_excess_precision): Ditto.
2472         (ix86_float_exceptions_rounding_supported_p): Ditto.
2473         (use_rsqrt_p): Ditto.
2474         * config/i386/sse.md (rsqrt<mode>2): Ditto.
2475
2476 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
2477
2478         PR c/89410
2479         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
2480         linenum_arith_t when determining if two adjacent line spans are
2481         close enough to merge.
2482         (diagnostic_show_locus): Use linenum_arith_t when iterating over
2483         lines within each line_span.
2484
2485 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
2486
2487         PR target/86487
2488         * lra-constraints.c(uses_hard_regs_p): Fix handling of
2489         paradoxical SUBREGS.
2490
2491 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
2492
2493         PR target/88100
2494         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
2495         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
2496         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
2497         range checking it.
2498
2499 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
2500
2501         * config/gcn/gcn.c (print_operand): Fix typo.
2502
2503 2019-02-19  Richard Biener  <rguenther@suse.de>
2504
2505         PR middle-end/88074
2506         * toplev.c (do_compile): Initialize mpfr's exponent range
2507         based on available float modes.
2508
2509 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2510
2511         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
2512         as long as the epilogue isn't completed.
2513
2514 2019-02-18  Martin Sebor  <msebor@redhat.com>
2515
2516         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
2517         __has_cpp_attribute, and __has_include.
2518
2519 2019-02-18  Martin Sebor  <msebor@redhat.com>
2520
2521         * doc/invoke.texi (-Wreturn-type): Correct and expand.
2522
2523 2019-02-18  Martin Sebor  <msebor@redhat.com>
2524
2525         PR middle-end/89294
2526         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
2527         expression.
2528         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
2529
2530 2019-02-18  Richard Biener  <rguenther@suse.de>
2531
2532         PR tree-optimization/89296
2533         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
2534         of no-warning flag to cases that might emit the bogus warning.
2535
2536 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
2537
2538         PR bootstrap/88714
2539         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
2540         "q" constraint.
2541         * config/arm/vfp.md (*movdi_vfp): Likewise.
2542         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
2543         "q" constraint for operands[0].
2544
2545         PR target/89369
2546         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
2547         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
2548         pattern in a temporary buffer.
2549         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
2550         than 64-operands[2].
2551
2552         PR target/89361
2553         * config/s390/s390.c (s390_indirect_branch_attrvalue,
2554         s390_indirect_branch_settings): Define unconditionally.
2555         (s390_set_current_function): Likewise, but guard the whole body except
2556         the s390_indirect_branch_settings call with
2557         #if S390_USE_TARGET_ATTRIBUTE.
2558         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
2559
2560         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
2561         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
2562         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
2563         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
2564         HOST_WIDE_INT_1U instead of 1ULL.
2565         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
2566         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
2567         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
2568         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
2569         instead of 1UL.
2570         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
2571         instead of 1ul.
2572
2573 2019-02-18  Martin Jambor  <mjambor@suse.cz>
2574
2575         PR tree-optimization/89209
2576         * tree-sra.c (create_access_replacement): New optional parameter
2577         reg_tree.  Use it as a type if non-NULL and access type is not of
2578         a register type.
2579         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
2580         to create_access_replacement.
2581         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
2582         Check lacc is non-NULL before attempting to re-create it on the RHS.
2583
2584 2019-02-18  Martin Liska  <mliska@suse.cz>
2585
2586         PR ipa/89306
2587         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
2588         by default.
2589         (symbol_table::free_edge): Recycle m_summary_id.
2590         * cgraph.h (get_summary_id): New.
2591         (symbol_table::release_symbol): Set m_summary_id to -1
2592         by default.
2593         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
2594         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
2595         function_summary to fast_function_summary.
2596         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
2597         * ipa-pure-const.c (class funct_state_summary_t):
2598         Switch from function_summary to fast_function_summary.
2599         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
2600         (class ipa_ref_opt_summary_t): Switch from function_summary
2601         to fast_function_summary.
2602         * symbol-summary.h (class function_summary_base): New class
2603         that is created from base of former function_summary.
2604         (function_summary_base::unregister_hooks): New.
2605         (class function_summary): Inherit from function_summary_base.
2606         (class call_summary_base): New class
2607         that is created from base of former call_summary.
2608         (class call_summary): Inherit from call_summary_base.
2609         (struct is_same): New.
2610         (class fast_function_summary): New summary class.
2611         (class fast_call_summary): New summary class.
2612         * vec.h (vec_safe_grow_cleared): New function.
2613
2614 2019-02-18  Martin Liska  <mliska@suse.cz>
2615
2616         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
2617         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
2618         * doc/tm.texi: Document new target hook.
2619         * doc/tm.texi.in: Likewise.
2620         * target.def: Add new target macro.
2621         * gcc.c (find_fortran_preinclude_file): Do not search multilib
2622         suffixes.
2623
2624 2019-02-17  Alan Modra  <amodra@gmail.com>
2625
2626         PR target/89271
2627         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
2628         output reg on add insn.
2629         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
2630
2631 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2632
2633         PR target/89372
2634         * config/i386/sse.md (ssedoublemode): Remove V4HI.
2635         (PMULHRSW): Likewise.
2636         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
2637         TARGET_AVX2.
2638         (ssse3_pmulhrswv4hi3): New expander.
2639
2640 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2641
2642         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
2643         MMX.  Add isa attribute.
2644
2645 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
2646
2647         PR rtl-optimization/66152
2648         * builtins.h (c_readstr): Declare.
2649         * builtins.c (c_readstr): Remove forward declaration.  Add
2650         null_terminated_p argument, if false, read all bytes from the
2651         string instead of stopping after '\0'.
2652         * expr.c (string_cst_read_str): New function.
2653         (store_expr): Use string_cst_read_str instead of
2654         builtin_strncpy_read_str.  Try to store by pieces the whole
2655         exp_len first, and only if that fails, split it up into
2656         store by pieces followed by clear_storage.  Formatting fix.
2657
2658         * config/i386/i386.md (*movqi_internal): Remove static from
2659         buf variable.  Use output_asm_insn (buf, operands); return "";
2660         instead of return buf;.
2661         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
2662         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
2663         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
2664
2665 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2666
2667         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
2668         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
2669         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
2670         (CC1_SPEC): Likewise.
2671         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
2672
2673 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2674
2675         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
2676         the base address on 64-bit strict-alignment platforms.
2677
2678 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2679
2680         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
2681
2682 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
2683
2684         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
2685
2686 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
2687
2688         PR rtl-optimization/88308
2689         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
2690         on copied instruction.
2691
2692 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2693
2694         * final.c (insn_current_reference_address): Replace test on JUMP_P
2695         with test on jump_to_label_p.
2696         * config/visium/visium-passes.def: New file.
2697         * config/visium/t-visium (PASSES_EXTRA): Define.
2698         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
2699         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
2700         (TRAMPOLINE_ALIGNMENT): Define.
2701         * config/visium/visium.c (visium_option_override): Do not register
2702         the machine-specific reorg pass here.
2703         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
2704         for the GR6.
2705         (output_branch): Adjust threshold for long branch instruction.
2706         * config/visium/visium.md (cpu): Move around.
2707         (length): Adjust for the GR6.
2708
2709 2019-02-15  Richard Biener  <rguenther@suse.de>
2710             Jakub Jelinek  <jakub@redhat.com>
2711
2712         PR tree-optimization/89278
2713         * tree-loop-distribution.c: Include tree-eh.h.
2714         (generate_memset_builtin, generate_memcpy_builtin): Call
2715         rewrite_to_non_trapping_overflow on builtin->size before passing it
2716         to force_gimple_operand_gsi.
2717
2718 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
2719
2720         PR other/89342
2721         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
2722         optimize_debug.
2723         * opth-gen.awk: Likewise.
2724
2725 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
2726
2727         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
2728         Enable MMX, SSE and SSE2 by default.
2729         * config/i386/i386.c (ix86_option_override_internal): Do not
2730         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
2731
2732 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
2733
2734         PR rtl-optimization/89354
2735         * combine.c (make_extraction): Punt if extraction_mode is narrower
2736         than len bits.
2737
2738 2019-02-14  Maya Rashish  <coypu@sdf.org>
2739
2740         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
2741         * config/netbsd-d.c: New file.
2742         * config/t-netbsd: Add netbsd-d.o
2743
2744 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
2745
2746         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
2747         affects_type_identity to true for aarch64_vector_pcs.
2748         (aarch64_comp_type_attributes): New function.
2749         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
2750
2751 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
2752
2753         PR target/88850
2754         * config/arm/iterators.md (ANY64): Add V4HF.
2755
2756 2019-02-14  Martin Liska  <mliska@suse.cz>
2757
2758         PR rtl-optimization/89242
2759         * dce.c (delete_unmarked_insns): Call free_dominance_info we
2760         process a transformation.
2761
2762 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
2763
2764         PR tree-optimization/89314
2765         * fold-const.c (fold_binary_loc): Cast strlen argument to
2766         const char * before dereferencing it.  Formatting fixes.
2767
2768         PR middle-end/89284
2769         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
2770
2771 2019-02-13  Ian Lance Taylor  <iant@golang.org>
2772
2773         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
2774         and set current index for other optimizations.
2775
2776 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
2777
2778         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
2779         nonimmediate_operand as operand 2 predicate.
2780         (vec_set<VF2_512_256:mode>_0): Ditto.
2781         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
2782         (*vec_concatv2si): Remove alternative 2.
2783         (*vec_concatv4si_0): Use vm constraint for alternative 0.
2784         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
2785         (vec_concatv2di): Split alternatives 4,5,6 to ...
2786         (*vec_concatv2di_0) ... new pattern.
2787
2788 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
2789
2790         PR target/89190
2791         * config/arm/arm.c (ldm_stm_operation_p) Set
2792         addr_reg_in_reglist correctly for first register.
2793         (load_multiple_sequence): Remove dead base check.
2794         (gen_ldm_seq): Correctly set write_back for Thumb-1.
2795
2796 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
2797
2798         PR target/88847
2799         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
2800         Expose as @aarch64_pred_mov.
2801         * config/aarch64/aarch64.c (aarch64_classify_address):
2802         Use expand_insn which legitimizes operands.
2803
2804 2019-02-13  Martin Liska  <mliska@suse.cz>
2805
2806         * builtins.h (expand_builtin_with_bounds): Remove declaration.
2807         * calls.c (struct arg_data): Remove special_slot, pointer_arg
2808         and pointer_offset fields.
2809         (initialize_argument_information): Remove usage of dead
2810         fields.
2811         * cgraph.h (struct cgraph_thunk_info): Remove
2812         add_pointer_bounds_args.
2813         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
2814         fields.
2815         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
2816         fields.
2817         * config/i386/i386.c (ix86_function_arg_advance): Remove
2818         unrelated comment.
2819         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
2820         (def_builtin):  Remove usage of dead
2821         fields.
2822         (ix86_add_new_builtins): Likewise.
2823         * ipa-fnsummary.c (compute_fn_summary): Likewise.
2824         * ipa-icf.c (sem_function::equals_wpa): Likewise.
2825         (sem_function::init): Likewise.
2826         (sem_variable::merge): Likewise.
2827         * ipa-visibility.c (function_and_variable_visibility): Likewise.
2828         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
2829         * lto-cgraph.c (lto_output_node): Likewise.
2830         (lto_output_varpool_node): Likewise.
2831         (input_node): Likewise.
2832         (input_varpool_node): Likewise.
2833         * lto-streamer-out.c (lto_output): Likewise.
2834         * tree-inline.c (expand_call_inline): Remove usage of
2835         assign_stmts.
2836         * tree-inline.h (struct copy_body_data): Likewise.
2837         * varpool.c (varpool_node::dump): Likewise.
2838
2839 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
2840
2841         PR middle-end/89303
2842         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
2843         into pt->vars_contains_escaped_heap instead of setting
2844         pt->vars_contains_escaped_heap to it.
2845
2846         PR middle-end/89281
2847         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
2848         INTVAL (size), compare it to GET_MODE_MASK instead of
2849         1 << GET_MODE_BITSIZE.
2850
2851         PR target/89290
2852         * config/i386/predicates.md (x86_64_immediate_operand): Allow
2853         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
2854         -mcmodel=large.
2855
2856 2019-02-13  Martin Liska  <mliska@suse.cz>
2857
2858         PR lto/88858
2859         * cfgrtl.c (remove_barriers_from_footer): New function.
2860         (try_redirect_by_replacing_jump): Use it.
2861         (cfg_layout_redirect_edge_and_branch): Likewise.
2862
2863 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
2864
2865         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
2866         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
2867         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
2868         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
2869         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
2870         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
2871         New BU_CRYPTO_2.
2872         * config/rs6000/rs6000.c (builtin_function_type)
2873         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
2874         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
2875         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
2876         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
2877         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
2878
2879 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
2880
2881         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
2882         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
2883
2884 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2885
2886         PR target/89229
2887         * config/i386/i386.md (*movoi_internal_avx): Revert revision
2888         268678 and revision 268657.
2889         (*movti_internal): Likewise.
2890
2891 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
2892
2893         PR target/89233
2894         * config/s390/s390.c (s390_decompose_address): Update comment.
2895         (s390_check_qrst_address): Reject invalid address forms after
2896         LRA.
2897
2898 2019-02-12  Martin Liska  <mliska@suse.cz>
2899
2900         PR lto/88876
2901         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
2902         we need default values of funct_state for a function that
2903         is not optimized.
2904
2905 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2906
2907         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
2908         the object to pick the size of stores on strict-alignment platforms.
2909
2910         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
2911         (*movdi_insn_sp32): Likewise.
2912         (*movdi_insn_sp64): Likewise.
2913
2914 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
2915
2916         PR lto/88677
2917         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
2918         types that needs constructiong.
2919         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
2920
2921 2019-02-12  Richard Biener  <rguenther@suse.de>
2922
2923         PR tree-optimization/89253
2924         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
2925         duplicate the loop.
2926
2927 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
2928
2929         PR lto/88147
2930         * input.c (selftest::test_line_offset_overflow): New selftest.
2931         (selftest::input_c_tests): Call it.
2932
2933 2019-02-11  Martin Sebor  <msebor@redhat.com>
2934
2935         PR tree-optimization/88771
2936         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
2937         when -Wstringop-overflow is set.
2938         (builtin_memref::builtin_memref): Adjust excessive upper bound
2939         only when lower bound is not excessive.
2940         (maybe_diag_overlap): Detect and diagnose excessive bounds via
2941         -Wstringop-ovefflow.
2942         (maybe_diag_offset_bounds): Rename...
2943         (maybe_diag_access_bounds): ...to this.
2944         (check_bounds_or_overlap): Adjust for name change above.
2945
2946 2019-02-11  Martin Sebor  <msebor@redhat.com>
2947
2948         PR c++/87996
2949         * builtins.c (max_object_size): Move from here...
2950         * builtins.h (max_object_size): ...and here...
2951         * tree.c (max_object_size): ...to here...
2952         * tree.h (max_object_size): ...and here.
2953
2954 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
2955
2956         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
2957         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
2958         for correct semantics.
2959
2960 2019-02-11  Alan Modra  <amodra@gmail.com>
2961
2962         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
2963         -mlongcall and -mpltseq.
2964         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
2965         (RS/6000 and PowerPC Options <-mpltseq>): Document.
2966         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
2967         * config/rs6000/sysv4.opt (mpltseq): New option.
2968         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
2969         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
2970         support is lacking.  Don't allow -mpltseq with -mbss-plt.
2971         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
2972         -mpltseq given for ELFv1.
2973         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
2974         Only use UNSPEC_PLTSEQ for inline PLT calls.
2975         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
2976         use UNSPEC_PLTSEQ for inline PLT calls.
2977         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
2978         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
2979         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
2980         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
2981         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
2982         (pltseq_mtctr_<mode>): Likewise.
2983
2984 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2985
2986         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
2987         Solaris ld.
2988         * configure: Regenerate.
2989
2990 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
2991
2992         PR bootstrap/88714
2993         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
2994         instead of r.
2995
2996 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
2997
2998         * function.c (assign_parm_setup_block): Use the stored
2999         size, not the passed size, when allocating stack-space,
3000         also for a parameter with alignment larger than
3001         MAX_SUPPORTED_STACK_ALIGNMENT.
3002
3003 2019-02-11  Martin Liska  <mliska@suse.cz>
3004
3005         PR ipa/89009
3006         * ipa-cp.c (build_toporder_info): Remove usage of a param.
3007         * ipa-inline.c (inline_small_functions): Likewise.
3008         * ipa-pure-const.c (propagate_pure_const): Likewise.
3009         (propagate_nothrow): Likewise.
3010         * ipa-reference.c (propagate): Likewise.
3011         * ipa-utils.c (struct searchc_env): Remove unused field.
3012         (searchc): Always search across AVAIL_INTERPOSABLE.
3013         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
3014         the only called IPA pure const can properly not propagate
3015         across interposable boundary.
3016         * ipa-utils.h (ipa_reduced_postorder): Remove param.
3017
3018 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
3019
3020         * config/nds32/nds32.md (call_internal, call_value_internal,
3021         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
3022
3023 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
3024
3025         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
3026         typo.
3027
3028 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
3029
3030         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
3031         in comments
3032
3033 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
3034
3035         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
3036
3037 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
3038
3039         PR tree-optimization/89268
3040         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
3041         if preds is non-NULL.
3042
3043 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3044
3045         PR lto/89272
3046         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
3047         polymorphic types.
3048
3049 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
3050
3051         * config/nds32/nds32.md (trap): New pattern.
3052
3053 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
3054
3055         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
3056         dwarf span.
3057
3058 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
3059
3060         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
3061         to split POST_INC.
3062
3063 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3064
3065         * ipa-visibility.c (localize_node): Also do not localize
3066         LDPR_PREVAILING_DEF_IRONLY_EXP.
3067
3068 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3069
3070         PR lto/87957
3071         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
3072         instead of type_with_linkage.
3073
3074 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3075
3076         PR ipa/88755
3077         * params.def (uninlined-function-insns, uninlined-function-time,
3078         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
3079         bound so we don't get overflows.
3080
3081 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
3082
3083         * config/rs6000/rs6000-string.c (expand_compare_loop,
3084         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
3085         memcmp/strncmp.
3086
3087 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
3088
3089         PR middle-end/89246
3090         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3091         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
3092         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
3093
3094 2019-02-09  Alan Modra  <amodra@gmail.com>
3095
3096         PR target/88343
3097         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
3098         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
3099         setup.
3100
3101 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
3102
3103         PR middle-end/88560
3104         * lra-constraints.c (process_alt_operands): Don't increase reject
3105         for memory when offset memory is required.
3106
3107 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
3108
3109         * config/s390/vector.md: Implement vector copysign.
3110
3111 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
3112
3113         * expr.c (expand_constructor): Correct indentations.
3114
3115 2019-02-08  Richard Biener  <rguenther@suse.de>
3116
3117         PR tree-optimization/89247
3118         * tree-if-conv.c: Include tree-cfgcleanup.h.
3119         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
3120         (tree_if_conversion): Pass through predicate vector.
3121         (pass_if_conversion::execute): Do CFG cleanup and SSA update
3122         inline, see if any if-converted loops we refrece in
3123         LOOP_VECTORIZED calls vanished and fixup.
3124         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
3125
3126 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
3127
3128         * config/s390/constraints.md (jdd): New constraint.
3129
3130 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
3131
3132         PR target/89229
3133         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
3134         upper 16 vector registers without TARGET_AVX512VL.
3135         (*movti_internal): Likewise.
3136
3137 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
3138
3139         PR rtl-optimization/89234
3140         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
3141         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
3142         (copy_reg_eh_region_note_backward): Likewise.
3143
3144 2019-02-08  Richard Biener  <rguenther@suse.de>
3145
3146         PR middle-end/89223
3147         * tree-data-ref.c (initialize_matrix_A): Fail if constant
3148         doesn't fit in HWI.
3149         (analyze_subscript_affine_affine): Handle failure from
3150         initialize_matrix_A.
3151
3152 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
3153
3154         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
3155         cfun everywhere.
3156
3157 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
3158
3159         PR tree-optimization/86637
3160         PR tree-optimization/89235
3161         * tree-vect-loop.c (optimize_mask_stores): Add an
3162         auto_purge_vect_location sentinel to ensure that vect_location is
3163         purged on exit.
3164         * tree-vectorizer.c
3165         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
3166         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
3167         to ensure that vect_location is purged on exit.
3168         (pass_slp_vectorize::execute): Likewise, replacing the manual
3169         reset.
3170         * tree-vectorizer.h (class auto_purge_vect_location): New class.
3171
3172 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3173
3174         * config/aarch64/iterators.md (max_opp): New code_attr.
3175         (USMAX): New code iterator.
3176         * config/aarch64/predicates.md (aarch64_smin): New predicate.
3177         (aarch64_smax): Likewise.
3178         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
3179         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
3180         MINUS (MAX MIN).
3181
3182 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
3183
3184         PR target/89229
3185         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
3186         for TARGET_AVX512VL.
3187         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
3188
3189 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
3190
3191         * config/s390/s390-builtin-types.def: Add new types.
3192         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
3193         (s390_vec_xlw4): Make the memory operand into a const pointer.
3194         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
3195         float.
3196         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
3197         a new vector type with the alignment of the scalar memory operand.
3198
3199 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
3200             Jakub Jelinek  <jakub@redhat.com>
3201
3202         PR bootstrap/88714
3203         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
3204         arm_count_ldrdstrd_insns): New declarations.
3205         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
3206         MINUS.
3207         (valid_operands_ldrd_strd): New function.
3208         (arm_count_ldrdstrd_insns): New function.
3209         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
3210         sets instead of single DImode set and define new insns to match this.
3211
3212 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
3213
3214         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
3215         Make it a C initializer.
3216
3217 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
3218
3219         PR/target 88850
3220         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
3221
3222 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3223
3224         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
3225         Use neon_dot<q> for type.
3226         (neon_<sup>dot_lane<vsi2qi>): Likewise.
3227
3228 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3229
3230         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
3231         Use neon_dot<q> for type.
3232         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
3233         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
3234
3235 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
3236
3237         PR rtl-optimization/89225
3238         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
3239         sizes check.
3240
3241 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
3242
3243         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
3244         after restoring registers saved to allocate the frame on Windows.
3245
3246 2019-02-06  Richard Biener  <rguenther@suse.de>
3247
3248         PR tree-optimization/89182
3249         * graphite.h (cached_scalar_evolution_in_region): Declare.
3250         * graphite.c (struct seir_cache_key): New.
3251         (struct sese_scev_hash): Likewise.
3252         (seir_cache): New global.
3253         (cached_scalar_evolution_in_region): New function.
3254         (graphite_transform_loops): Allocate and release seir_cache.
3255         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
3256         cached_scalar_evolution_in_region.
3257         * graphite-scop-detection.c (scop_detection::can_represent_loop):
3258         Simplify.
3259         (scop_detection::graphite_can_represent_expr: Use
3260         cached_scalar_evolution_in_region.
3261         (scop_detection::stmt_simple_for_scop_p): Likewise.
3262         (find_params_in_bb): Likewise.
3263         (gather_bbs::before_dom_children): Likewise.
3264         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
3265         (add_loop_constraints): Likewise.
3266
3267 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
3268
3269         PR middle-end/89210
3270         * fold-const-call.c (fold_const_vec_convert): Pass true as last
3271         operand to new_unary_operation only if both element types are integral
3272         and it isn't a widening conversion.  Return NULL_TREE if
3273         new_unary_operation failed.
3274
3275 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
3276
3277         PR target/88856
3278         * config/s390/s390.md: Remove load and test FP splitter.
3279
3280 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
3281
3282         PR target/89112
3283         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
3284         expand_compare_loop, expand_block_compare_gpr,
3285         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
3286         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
3287         #include "profile-count.h" and "predict.h" for types and functions
3288         needed to work with REG_BR_PROB notes.
3289
3290 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
3291
3292         PR target/89112
3293         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
3294         for the long branch case.
3295
3296 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
3297
3298         PR target/89188
3299         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
3300         can throw, non-call exceptions are enabled and we can't delete
3301         dead exceptions or alter cfg.  Set must_clean if
3302         delete_insn_and_edges returns true, don't set it blindly for calls.
3303         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
3304
3305         PR rtl-optimization/89195
3306         * combine.c (make_extraction): For MEMs, don't extract bytes outside
3307         of the original MEM.
3308
3309 2019-02-05  Martin Liska  <mliska@suse.cz>
3310
3311         PR gcov-profile/89000
3312         * gcov.c (function_summary): Remove argument.
3313         (file_summary): New function.
3314         (print_usage): Replace tabs with spaces.
3315         (generate_results): Use new function file_summary.
3316
3317 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
3318
3319         PR target/89186
3320         * optabs.c (prepare_cmp_insn): Pass x and y to
3321         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
3322
3323 2019-02-05  Richard Biener  <rguenther@suse.de>
3324
3325         PR middle-end/89150
3326         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
3327         (struct bitmap_element): Drop chain_prev so we properly recurse on
3328         the prev member, supporting tree views.
3329         (struct bitmap_head): GTY skip the obstack member.
3330
3331 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
3332
3333         PR c/88698
3334         * doc/extend.texi (Vector Extensions): Add an example of using vector
3335         types together with x86 intrinsics.
3336
3337 2019-02-04  Alan Modra  <amodra@gmail.com>
3338
3339         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
3340         str[] size to 160, and comment.
3341
3342 2019-02-04  Alan Modra  <amodra@gmail.com>
3343
3344         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
3345         (rs6000_pltseq_template): Guard output of TLS markers with
3346         TARGET_TLS_MARKERS.
3347         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
3348         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
3349         to use inline PLT sequences.
3350         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
3351         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
3352         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
3353
3354 2019-02-04  Martin Liska  <mliska@suse.cz>
3355
3356         PR ipa/88985
3357         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
3358         out when ipa_fn_summaries does not contain entry for callee.
3359
3360 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
3361
3362         * config/sparc/sparc.h: Remove superfluous blank lines.
3363         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
3364         (got_register_rtx): ...this.
3365         (sparc_got): Adjust to above renaming.
3366         (sparc_tls_got): Likewise.
3367         (sparc_delegitimize_address): Likewise.
3368         (sparc_output_mi_thunk): Likewise.
3369         (sparc_init_pic_reg): Likewise.
3370         (save_local_or_in_reg_p): Fix test on the GOT register.
3371         (USE_HIDDEN_LINKONCE): Move around.
3372         (get_pc_thunk_name): Likewise.
3373         (gen_load_pcrel_sym): Likewise.
3374         (load_got_register): Likewise.
3375
3376 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
3377
3378         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
3379         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
3380
3381 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
3382
3383         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
3384         into consideration.
3385
3386 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
3387
3388         * config.gcc (with_nds32_lib, glibc):
3389         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
3390         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
3391         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
3392
3393 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
3394
3395         PR target/89071
3396         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
3397         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
3398         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
3399         (*rcpsf2_sse): Ditto.
3400         (*rsqrtsf2_sse): Ditto.
3401         (sse4_1_round<mode<2): Ditto.
3402
3403 2019-02-03  Richard Biener  <rguenther@suse.de>
3404
3405         PR debug/87295
3406         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
3407         orig.
3408
3409 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR middle-end/87887
3412         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3413         Punt with warning on aggregate return or argument types.  Ignore
3414         type/mode checking for uniform arguments.
3415
3416 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3417
3418         * combine.c (try_combine): Do not print "Can't combine" messages unless
3419         printing failed combination attempts.
3420
3421 2019-02-01  Martin Jambor  <mjambor@suse.cz>
3422
3423         PR hsa/87863
3424         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
3425         segment and global segment variables before making them static.
3426
3427 2019-02-01  Martin Jambor  <mjambor@suse.cz>
3428
3429         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
3430         missed optimization dump with dump_enabled_p.
3431
3432 2019-02-01  Richard Biener  <rguenther@suse.de>
3433
3434         PR middle-end/88597
3435         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
3436         the instantiate cache.
3437         (instantiate_scev_binary): Elide second operand procesing
3438         if equal to the first.
3439         * tree-chrec.c (chrec_contains_symbols): Add visited set.
3440         (chrec_contains_undetermined): Likewise.
3441         (tree_contains_chrecs): Likewise.
3442
3443 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
3444
3445         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
3446
3447 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
3448
3449         PR tree-optimization/89143
3450         * wide-int-range.h (wide_int_range_absu): Declare.
3451         * wide-int-range.cc (wide_int_range_absu): New function.
3452         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
3453
3454         PR tree-optimization/88107
3455         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
3456         instead of assertion that eh_region_outermost is non-NULL, if it
3457         is NULL, set *ALL to true and return NULL.
3458         (move_sese_region_to_fn): Adjust caller, if all is set, call
3459         duplicate_eh_regions with NULL region.
3460
3461 2019-02-01  Richard Biener  <rguenth@suse.de>
3462
3463         PR rtl-optimization/88593
3464         * mode-switching.c (optimize_mode_switching): Free dominators before
3465         calling cleanup_cfg.
3466
3467 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3468
3469         PR tree-optimization/88932
3470         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
3471
3472 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
3473
3474         PR middle-end/89137
3475         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
3476         bogus clang warning.
3477
3478 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
3479
3480         PR target/89071
3481         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
3482         alternative to avoid partial SSE register stall for TARGET_AVX.
3483         (truncdfsf2): Ditto.
3484         (sse4_1_round<mode>2): Ditto.
3485
3486 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
3487
3488         PR tree-optimization/89008
3489         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
3490         process anything of the form X * 0.
3491
3492 2019-01-31  Richard Biener  <rguenther@suse.de>
3493
3494         PR tree-optimization/89135
3495         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
3496         with abnormal preds.
3497
3498 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
3499
3500         PR sanitizer/89124
3501         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
3502         always_inline callees into no_sanitize_address callers.
3503
3504 2019-01-31  Richard Biener  <rguenther@suse.de>
3505
3506         PR rtl-optimization/89115
3507         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
3508
3509 2019-01-30  Martin Sebor  <msebor@redhat.com>
3510
3511         PR other/89106
3512         * doc/extend.texi (cast to a union): Correct and expand.
3513
3514 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
3515
3516         PR rtl-optimization/87246
3517         * lra-constraints.c (simplify_operand_subreg): Reload memory
3518         in subreg if the address became invalid.
3519
3520 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3521
3522         PR target/87064
3523         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
3524         Disable for little-endian.
3525
3526 2019-01-30  Richard Biener  <rguenther@suse.de>
3527
3528         PR rtl-optimization/89115
3529         * opts.c (default_options_optimization): Reduce
3530         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
3531         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
3532         to the default.
3533
3534 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3535
3536         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
3537         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
3538         type of vector element when vec_extract is implemented by direct
3539         move.
3540
3541 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
3542
3543         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
3544
3545 2019-01-30  Richard Biener  <rguenther@suse.de>
3546
3547         PR tree-optimization/89111
3548         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
3549         canonicalization to appropriately sized access types.
3550
3551 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
3552
3553         PR c++/89105
3554         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
3555         for arguments to functions that are TU-local and shouldn't be
3556         referenced by assembly.
3557
3558 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
3559
3560         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
3561         after '='.
3562
3563 2019-01-29  Martin Sebor  <msebor@redhat.com>
3564
3565         PR c/88956
3566         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
3567
3568 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
3569
3570         PR c++/66676
3571         PR ipa/89104
3572         * omp-simd-clone.c (simd_clone_clauses_extract)
3573         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
3574         OMP_CLAUSE_ALIGNED_ALIGNMENT.
3575
3576 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
3577
3578         * config.gcc: Force .init_array for ARC.
3579
3580 2019-01-29  Richard Biener  <rguenther@suse.de>
3581
3582         PR debug/87295
3583         * dwarf2out.c (collect_skeleton_dies): New helper.
3584         (copy_decls_for_unworthy_types): Call it.
3585         (build_abbrev_table): Assert we do not try to replace
3586         DW_AT_signature refs with local refs.
3587
3588 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
3589
3590         PR middle-end/89002
3591         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
3592         for lastprivate/linear IV, push gimplify context around gimplify_assign
3593         and, if it needed any temporaries, pop it into a gimple bind around the
3594         sequence.
3595
3596 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3597
3598         * common.opt (-Wattribute-alias): Remove "no-" from name.
3599         Make -Wattribute-alias command line option and
3600         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
3601
3602 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
3603
3604         PR target/89073
3605         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
3606         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
3607         x86 ISA options.
3608         (bmi2): Add missing @opindex.
3609         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
3610         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
3611         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
3612         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
3613         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
3614         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
3615         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
3616         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
3617         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
3618         xsavec, xsaveopt and xsaves options.
3619
3620 2019-01-28  Richard Biener  <rguenther@suse.de>
3621
3622         PR debug/89076
3623         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
3624         support removal.
3625
3626 2019-01-28  Richard Biener  <rguenther@suse.de>
3627
3628         PR tree-optimization/88739
3629         * tree-cfg.c (verify_types_in_gimple_reference): Verify
3630         BIT_FIELD_REFs only are applied to mode-precision operands
3631         when they are integral.
3632         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
3633         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
3634         BIT_FIELD_REFs of non-mode-precision integral operands.
3635
3636 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
3637
3638         PR target/87214
3639         * config/i386/sse.md
3640         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
3641         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
3642         first constants in pairs are multiples of 2.  Formatting fixes.
3643         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
3644         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
3645         first constants in each quadruple are multiples of 4.  Formatting fixes.
3646
3647 2019-01-26  Martin Jambor  <mjambor@suse.cz>
3648
3649         PR ipa/88933
3650         * tree-inline.c: Include tree-cfgcleanup.h.
3651         (delete_unreachable_blocks_update_callgraph): Move...
3652         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
3653         ...here, make externally visible, make second argument bool, adjust
3654         all callers.
3655         * tree-cfgcleanup.c: Include cgraph.h.
3656         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
3657         Declare.
3658         * ipa-prop.c: Include tree-cfgcleanup.h.
3659         (ipcp_transform_function): Call
3660         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
3661
3662 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
3663
3664         PR rtl-optimization/88846
3665         * ira.c (process_set_for_memref_referenced_p): New.
3666         (memref_referenced_p): Add new param.  Use
3667         process_set_for_memref_referenced_p.  Add new switch cases.
3668         (memref_used_between_p): Pass new arg to memref_referenced_p.
3669
3670 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
3671
3672         PR target/88469
3673         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
3674         argument ABI_BREAK.  Set to true if the calculated alignment has
3675         changed in gcc-9.  Check bit-fields for their base type alignment.
3676         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
3677         (aarch64_function_arg_boundary): Likewise.
3678         (aarch64_gimplify_va_arg_expr): Likewise.
3679
3680 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
3681
3682         PR middle-end/89037
3683         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
3684         instead of accessing TREE_INT_CST_ELT directly.
3685
3686 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
3687
3688         * doc/sourcebuild.texi (Environment attributes): Add fenv and
3689         fenv_exceptions description.
3690
3691 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
3692
3693         PR rtl-optimization/87763
3694         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
3695         Allow SUBREG when matching CC_NZmode compare.
3696
3697 2019-01-25  Richard Biener  <rguenther@suse.de>
3698
3699         PR tree-optimization/89049
3700         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
3701         Look at the pattern stmt to determine if the stmt is vectorized.
3702
3703 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
3704
3705         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
3706         (pred_mov<mode>): Handle all-register forms using both a new
3707         alternative and a split.
3708
3709 2019-01-25  Richard Biener  <rguenther@suse.de>
3710
3711         PR tree-optimization/86865
3712         * graphite-scop-detection.c (scop_detection::can_represent_loop):
3713         Reject non-do-while loops.
3714
3715 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
3716
3717         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
3718         * config/rs6000/constraints.md (Q constraint): Use REG_P.
3719         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
3720         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
3721         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
3722         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3723         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
3724         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
3725         vlogical_operand, gpc_reg_operand, int_reg_operand,
3726         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
3727         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
3728         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
3729         (save_world_operation, restore_world_operation, lmw_operation,
3730         stmw_operation): Use MEM_P and REG_P.
3731         (tie_operand): Use MEM_P.
3732         (vrsave_operation, crsave_operation): Use REG_P.
3733         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
3734         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
3735         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
3736         (call_operand): Use HARD_REGISTER_P.
3737         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
3738         Use CONST_INT_P.
3739         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
3740         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
3741         quad_aligned_load_p, replace_swapped_aligned_store,
3742         recombine_lvx_pattern, replace_swapped_aligned_load,
3743         recombine_stvx_pattern): Use MEM_P.
3744         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
3745         Use MEM_P and SYMBOL_REF_P.
3746         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
3747         (insn_is_swappable_p): Use REG_P and MEM_P.
3748         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
3749         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
3750         Use CONST_INT_P.
3751         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
3752         Use CONST_DOUBLE_P.
3753         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
3754         CONST_WIDE_INT_P.
3755         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
3756         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
3757         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
3758         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
3759         reg_or_subregno:
3760         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
3761         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
3762         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
3763         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
3764         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
3765         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
3766         rs6000_split_logical_di): Use CONST_INT_P.
3767         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
3768         REG_P and SYMBOL_REF_P.
3769         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
3770         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
3771         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
3772         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
3773         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
3774         (small_data_operand, print_operand_address): Use CONST_INT_P and
3775         SYMBOL_REF_P.
3776         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
3777         (rs6000_init_hard_regno_mode_ok, direct_move_p):
3778         Use HARD_REGISTER_NUM_P.
3779         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
3780         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
3781         SUBREG_P and SYMBOL_REF_P.
3782         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
3783         and HARD_REGISTER_NUM_P.
3784         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
3785         reg_or_subregno.
3786         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
3787         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
3788         MEM_P and REG_P.
3789         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
3790         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
3791         find_addr_reg): Use REG_P.
3792         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
3793         (rs6000_emit_le_vsx_move): Use SUBREG_P.
3794         (offsettable_ok_by_alignment, constant_pool_expr_p,
3795         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
3796         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
3797         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
3798         rs6000_assemble_integer, create_TOC_reference,
3799         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
3800         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
3801         (rs6000_split_vec_extract_var): Use reg_or_subregno.
3802         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
3803         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
3804         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3805         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3806         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
3807         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
3808         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
3809         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
3810         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
3811         and cbranch<mode>4): Use CONST_INT_P.
3812         (multiple define_splits): Use REG_P and SUBREG_P.
3813         (define_expands call, call_value): Use MEM_P.
3814         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
3815         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
3816         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
3817         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
3818         and HARD_REGISTER_NUM_P.
3819         (multiple define_splits): Use HARD_REGISTER_NUM_P.
3820
3821 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
3822
3823         PR rtl-optimization/88948
3824         * rtl.h (prepare_copy_insn): New prototype.
3825         * gcse.c (prepare_copy_insn): New function, split out from
3826         process_insert_insn.
3827         (process_insert_insn): Use prepare_copy_insn.
3828         * store-motion.c (replace_store_insn): Use prepare_copy_insn
3829         instead of gen_move_insn.
3830
3831 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
3832
3833         PR debug/89006
3834         * config/i386/i386.c (ix86_pic_register_p): Return true for
3835         UNSPEC_SET_GOT too.
3836
3837         PR tree-optimization/88964
3838         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
3839         punt if HONOR_SNANS (chrec).
3840
3841         PR middle-end/89015
3842         * tree-nested.c (convert_nonlocal_reference_stmt,
3843         convert_local_reference_stmt, convert_tramp_reference_stmt,
3844         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
3845         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
3846         or GIMPLE_OMP_TASK.
3847
3848         PR tree-optimization/89027
3849         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
3850         for "omp simd array" variables.
3851
3852 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
3853
3854         PR target/88469
3855         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
3856         force the alignment of m_val.
3857
3858 2019-01-24  Richard Biener  <rguenther@suse.de>
3859
3860         PR lto/87187
3861         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
3862         When in "legacy" debug mode make sure to reset self-origins.
3863
3864 2019-01-24  Martin Liska  <mliska@suse.cz>
3865
3866         PR gcov-profile/88994
3867         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
3868         result will be always smaller or equal to the original.
3869         * gcov.c (mangle_name): Fix else branch where we should
3870         also copy to PTR and shift the pointer.
3871
3872 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
3873
3874         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
3875         * vr-values.c (find_case_label_ranges): Fix a comment typo.
3876
3877 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
3878             Steve Ellcey <sellcey@marvell.com>
3879
3880         PR target/85711
3881         * recog.c (address_operand): Return false on wrong mode for address.
3882         (constrain_operands): Check for mode with 'p' constraint.
3883
3884 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
3885
3886         PR target/88998
3887         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
3888         Disparage MMX alternative.
3889         (sse2_cvtpd2pi): Ditto.
3890         (sse2_cvttpd2pi): Ditto.
3891
3892 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
3893
3894         PR driver/89014
3895         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
3896         use-after-free of the result of
3897         aarch64_get_extension_string_for_isa_flags.
3898
3899 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3900
3901         PR c/44715
3902         * doc/extend.texi: Document break and continue behavior in
3903         statement expressions.
3904
3905 2019-01-23  Richard Biener  <rguenther@suse.de>
3906
3907         PR tree-optimization/89008
3908         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
3909         not leave another stray operand.
3910
3911 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3912
3913         * BASE-VER: Bump to 9.0.1.
3914
3915 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3916
3917         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
3918         thunk that returns by reference, use the type of the return object
3919         of the thunk instead of that of the alias to build the dereference.
3920
3921 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
3922
3923         * config/arc/atomic.md: Add operand to DMB instruction.
3924
3925 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3926
3927         PR tree-optimization/88964
3928         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
3929         build_zero_cst instead of build_int_cst.  Return false for loop
3930         invariants which honor signed zeros.
3931
3932 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
3933
3934         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
3935
3936 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
3937
3938         PR target/88965
3939         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
3940         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
3941         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
3942
3943         PR middle-end/88968
3944         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
3945         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
3946
3947         PR target/87064
3948         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
3949         Disable for little endian.
3950
3951 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
3952
3953         PR target/88469
3954         * config/arm/arm.c (arm_needs_double_word_align): Check
3955         DECL_BIT_FIELD_TYPE.
3956
3957 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
3958             H.J. Lu  <hongjiu.lu@intel.com>
3959
3960         PR target/88909
3961         * config/i386/i386-builtin.def: Add mask2 to all builtin
3962         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
3963         SPECIAL_ARGS.
3964         * config/i386/i386.c (BDESC): Add mask2 to the definition.
3965         (BDESC_FIRST): Likewise.
3966         (define_builtin): Add an argument for mask2.  Updated to handle
3967         both ix86_isa_flags and ix86_isa_flags2.
3968         (define_builtin_const): Likewise.
3969         (define_builtin_pure): Likewise.
3970         (define_builtin2): Deleted.
3971         (define_builtin_const2): Likewise.
3972         (builtin_description): Add a member, mask2.
3973         (bdesc_*): Add mask2 to builtin initializations.
3974         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
3975         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
3976         support.
3977         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
3978
3979 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3980
3981         PR target/88954
3982         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
3983         noplt attribute.
3984
3985 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
3986
3987         PR target/88469
3988         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
3989         alignment is dominated by a bitfield with 64-bit aligned base type.
3990         (arm_function_arg): Emit a warning if the alignment has changed since
3991         earlier GCC releases.
3992         (arm_function_arg_boundary): Likewise.
3993         (arm_setup_incoming_varargs): Likewise.
3994
3995 2019-01-22  Richard Biener  <rguenther@suse.de>
3996
3997         PR tree-optimization/88862
3998         * graphite-scop-detection.c
3999         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
4000
4001 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
4002
4003         * doc/extend.tex (AMD GCN Function Attributes): New section.
4004         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
4005         * doc/invoke.texi (AMD GCN Options): New section.
4006         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
4007
4008 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4009
4010         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
4011         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
4012
4013 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
4014
4015         PR tree-optimization/88044
4016         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
4017         is false in the first iteration, but !every_iteration, return false
4018         instead of true with niter->niter zero.
4019
4020         PR rtl-optimization/88904
4021         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
4022         any nonequal registers before processing BB_END (b).
4023
4024         PR target/88905
4025         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
4026         GET_MODE (op0).
4027         (expand_binop_directly, expand_doubleword_clz,
4028         expand_doubleword_popcount, expand_ctz, expand_ffs,
4029         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
4030
4031         PR rtl-optimization/49429
4032         PR target/49454
4033         PR rtl-optimization/86334
4034         PR target/88906
4035         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
4036         addressable from here...
4037         (emit_block_op_via_libcall): ... to here.
4038
4039 2019-01-22  Richard Biener  <rguenther@suse.de>
4040
4041         * tree-vect-loop.c (vect_analyze_loop_operations): Use
4042         auto_vec for cost vector to fix memleak.
4043         (vectorize_fold_left_reduction): Properly gather SLP defs.
4044         (vectorizable_comparison): Do not swap operands to properly
4045         gather SLP defs.
4046
4047 2019-01-22  Alan Modra  <amodra@gmail.com>
4048
4049         PR target/88614
4050         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
4051         stays a reg.  Allow a const_int.
4052         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
4053         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
4054         (IS_NOMARK_TLSGETADDR): Define.
4055         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
4056         (rs6000_output_tlsargs): New function.
4057         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
4058         __tls_get_addr call takes an arg.
4059         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
4060         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
4061         delete split..
4062         (call_value_nonlocal_sysv): ..or here, delete split.
4063         (tls_gdld_nomark): Delete.
4064         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
4065         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
4066         (call_value_nonlocal_sysv): Likewise.
4067         (call_value_nonlocal_sysv_secure): Likewise.
4068         (call_value_nonlocal_aix): Likewise.
4069         (call_value_indirect_aix): Likewise.
4070         (call_value_indirect_elfv2): Likewise.
4071         (call_value_local32, call_value_local64): Disable for no-mark tls.
4072         (call_value_local_aix): Likewise.
4073
4074 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
4075
4076         PR target/88938
4077         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
4078         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
4079
4080 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
4081
4082         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
4083         string contents as hash_map keys.
4084
4085 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4086
4087         PR c/88928
4088         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
4089         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
4090         instead of TYPE_ALIGN.
4091         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
4092         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
4093         pointer from TYPE_STUB_DECL.
4094
4095 2019-01-21  Richard Biener  <rguenther@suse.de>
4096
4097         PR tree-optimization/88934
4098         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
4099         at the possibly non-constant operand.
4100         (vect_get_constant_vectors): Adjust.
4101
4102 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4103
4104         PR target/71659
4105         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
4106         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
4107         instead of _X86INTRIN_H_INCLUDED.
4108         * onfig/i386/clwbintrin.h: Likewise.
4109         * config/i386/pkuintrin.h: Likewise.
4110         * config/i386/prfchwintrin.h: Likewise.
4111         * config/i386/rdseedintrin.h: Likewise.
4112         * config/i386/wbnoinvdintrin.h: Likewise.
4113         * config/i386/xsavecintrin.h: Likewise.
4114         * config/i386/xsavesintrin.h: Likewise.
4115         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
4116         * config/i386/xsaveintrin.h: Likewise.
4117         * config/i386/xsaveoptintrin.h: Likewise.
4118         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
4119         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
4120         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
4121         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
4122         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
4123         * config/i386/immintrin.h: Here.
4124
4125 2019-01-20  Martin Jambor  <mjambor@suse.cz>
4126
4127         PR ipa/87615
4128         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
4129         with aa_walk_budget.
4130         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
4131         aa_walk_budget_p parameter.
4132         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
4133         walk.  Updated all callers.
4134         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
4135         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
4136         unmodified_parm.
4137         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
4138         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
4139         and to unmodified_parm.
4140         (phi_result_unknown_predicate): New parameter fbi, removed parameter
4141         info, updated call to will_be_nonconstant_expr_predicate.
4142         (param_change_prob): New parameter fbi, limit AA walking.
4143         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
4144         calls to various above functions.
4145         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
4146         parameter.  Use it to limit AA walking.
4147         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
4148         fbi, limit AA walk.
4149         (detect_type_change): New parameter fbi, pass it on to
4150         detect_type_change_from_memory_writes.
4151         (detect_type_change_ssa): Likewise.
4152         (aa_overwalked): Removed.
4153         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
4154         accordingly, adjust to the neew AA limiting scheme.
4155         (parm_ref_data_preserved_p): Likewise.
4156         (ipa_compute_jump_functions_for_edge): Adjust call to
4157         get_dynamic_type.
4158         (ipa_analyze_call_uses): Likewise.
4159         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
4160         (ipa_analyze_node): Initialize aa_walk_budget.
4161         (ipcp_transform_function): Likewise.
4162         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
4163         to get_dynamic_type.
4164
4165 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
4166
4167         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
4168         outside of #if CHECKING_P code.
4169
4170 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
4171
4172         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
4173         New function, split out from...
4174         (loop_versioning::analyze_stride): ...here.
4175         (loop_versioning::find_per_loop_multiplication): Use gassign.
4176         (loop_versioning::analyze_term_using_scevs): Return a success code.
4177         (loop_versioning::analyze_arbitrary_term): New function.
4178         (loop_versioning::analyze_address_fragment): Use
4179         analyze_arbitrary_term if all else fails.
4180
4181 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
4182
4183         PR target/88892
4184         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
4185         operands.
4186
4187 2019-01-18  Richard Biener  <rguenther@suse.de>
4188
4189         PR tree-optimization/88903
4190         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
4191         scalar stmts a SLP shift amount is composed of when detecting
4192         shifts by scalars.
4193
4194 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
4195
4196         PR target/88799
4197         * config/arm/arm-cpus.in (mp): New feature.
4198         (sec): New feature.
4199         (fgroup ARMv7ve): Add mp and sec features.
4200         (arch armv7-a): Add options to allow mp and sec extensions.
4201         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
4202         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
4203         extenstions to the base architecture.
4204         (cpu cortex-a8): Add sec extension to the base architecture.
4205         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
4206         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
4207         variants down to the base v7-a varaint.
4208         * config/arm/t-multilib (v7_a_arch_variants): New variable.
4209         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
4210         of permitted extensions for -march=armv7-a and for
4211         -mcpu=generic-armv7-a.
4212
4213 2019-01-18  Martin Liska  <mliska@suse.cz>
4214
4215         * params.def: Fix comment.
4216         * tree-profile.c (gimple_init_gcov_profiler): Bump function
4217         name.
4218         (gimple_gen_ic_func_profiler): Likewise.
4219
4220 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4221
4222         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
4223         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
4224         and put in error checks for stack protector guard options.
4225         (aarch64_stack_protect_guard): New.
4226         (TARGET_STACK_PROTECT_GUARD): Define.
4227         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
4228         (reg_stack_protect_address<mode>): New.
4229         (stack_protect_set): Adjust for SSP_GLOBAL.
4230         (stack_protect_test): Likewise.
4231         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
4232         (-mstack-protector-guard): Likewise.
4233         (-mstack-protector-guard-offset): Likewise.
4234
4235 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
4236
4237         PR tree-optimization/86214
4238         * tree-inline.h (struct copy_body_data): Add
4239         add_clobbers_to_eh_landing_pads member.
4240         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
4241         (copy_edges_for_bb): Call it if EH edge destination is <
4242         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
4243         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
4244         if flag_stack_reuse != SR_NONE and clear it afterwards.
4245
4246 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
4247
4248         PR target/85596
4249         * doc/install.texi (with-multilib-list): Document for aarch64.
4250
4251 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
4252
4253         PR target/88734
4254         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
4255         (("..."))) with ("...").
4256
4257 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4258
4259         * doc/extend.texi (Built-in Functions for Memory Model Aware
4260         Atomic Operations): Document atomic fetch and nand.
4261
4262 2019-01-18  Martin Liska  <mliska@suse.cz>
4263             Richard Biener  <rguenther@suse.de>
4264
4265         PR middle-end/88587
4266         * cgraph.h (create_version_clone_with_body): Add new argument
4267         with attributes.
4268         * cgraphclones.c (cgraph_node::create_version_clone): Add
4269         DECL_ATTRIBUTES to a newly created decl.  And call
4270         valid_attribute_p so that proper cl_target_optimization_node
4271         is set for the newly created declaration.
4272         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
4273         for declaration.
4274         (expand_target_clones): Do not call valid_attribute_p, it must
4275         be already done.
4276         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
4277         vector types.
4278
4279 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
4280
4281         PR target/88734
4282         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
4283         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
4284         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
4285
4286 2019-01-17  Martin Sebor  <msebor@redhat.com>
4287
4288         PR middle-end/88273
4289         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
4290         Handle anti-ranges the same as no range at all.
4291
4292 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
4293
4294         * config/aarch64/aarch64.c (cgraph.h): New include.
4295         (intl.h): New include.
4296         (supported_simd_type): New function.
4297         (currently_supported_simd_type): Ditto.
4298         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
4299         (aarch64_simd_clone_adjust): Ditto.
4300         (aarch64_simd_clone_usable): Ditto.
4301         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
4302         (TARGET_SIMD_CLONE_ADJUST): Ditto.
4303         (TARGET_SIMD_CLONE_USABLE): Ditto.
4304         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
4305         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
4306         call.
4307
4308 2019-01-17  Martin Sebor  <msebor@redhat.com>
4309
4310         PR tree-optimization/88800
4311         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
4312         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
4313         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
4314         redundant argument.  Add new argument and issue diagnostics under
4315         its control.  Detect out-of-bounds access even with warnings
4316         disabled.
4317         (check_bounds_or_overlap): Change return type.  Add argument.
4318         (wrestrict_dom_walker::check_call): Adjust.
4319         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
4320         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
4321         check_bounds_or_overlap's return value.
4322         (handle_builtin_stxncpy): Same.
4323         (handle_builtin_strcat): Same.
4324
4325 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4326             Kwok Cheung Yeung  <kcy@codesourcery.com>
4327             Julian Brown  <julian@codesourcery.com>
4328             Tom de Vries  <tom@codesourcery.com>
4329
4330         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
4331
4332 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4333
4334         * doc/sourcebuild.texi: Document dg-require-effective-target
4335         llvm_binutils and offload_gcn.
4336
4337 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4338             Kwok Cheung Yeung  <kcy@codesourcery.com>
4339             Julian Brown  <julian@codesourcery.com>
4340             Tom de Vries  <tom@codesourcery.com>
4341
4342         * doc/sourcebuild.texi: Document dg-required-effective-target
4343         exceptions.
4344
4345 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4346             Kwok Cheung Yeung  <kcy@codesourcery.com>
4347             Julian Brown  <julian@codesourcery.com>
4348             Tom de Vries  <tom@codesourcery.com>
4349             Jan Hubicka  <hubicka@ucw.cz>
4350             Martin Jambor  <mjambor@suse.cz>
4351
4352         * config.gcc: Add amdgcn*-*-amdhsa configuration.
4353         * configure.ac: Check for dlopen.
4354         * configure: Regenerate.
4355
4356 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4357             Kwok Cheung Yeung  <kcy@codesourcery.com>
4358             Julian Brown  <julian@codesourcery.com>
4359             Tom de Vries  <tom@codesourcery.com>
4360             Jan Hubicka  <hubicka@ucw.cz>
4361             Martin Jambor  <mjambor@suse.cz>
4362
4363         * common/config/gcn/gcn-common.c: New file.
4364         * config/gcn/driver-gcn.c: New file.
4365         * config/gcn/gcn-builtins.def: New file.
4366         * config/gcn/gcn-hsa.h: New file.
4367         * config/gcn/gcn-modes.def: New file.
4368         * config/gcn/gcn-opts.h: New file.
4369         * config/gcn/gcn-passes.def: New file.
4370         * config/gcn/gcn-protos.h: New file.
4371         * config/gcn/gcn-run.c: New file.
4372         * config/gcn/gcn-tree.c: New file.
4373         * config/gcn/gcn.c: New file.
4374         * config/gcn/gcn.h: New file.
4375         * config/gcn/gcn.opt: New file.
4376         * config/gcn/t-gcn-hsa: New file.
4377
4378 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4379             Kwok Cheung Yeung  <kcy@codesourcery.com>
4380             Julian Brown  <julian@codesourcery.com>
4381             Tom de Vries  <tom@codesourcery.com>
4382             Jan Hubicka  <hubicka@ucw.cz>
4383             Martin Jambor  <mjambor@suse.cz>
4384
4385         * config/gcn/constraints.md: New file.
4386         * config/gcn/gcn-valu.md: New file.
4387         * config/gcn/gcn.md: New file.
4388         * config/gcn/predicates.md: New file.
4389
4390 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4391
4392         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
4393         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
4394         (stmt_uses_0_or_null_in_undefined_way): Likewise.
4395         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
4396
4397 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
4398
4399         PR target/88851
4400         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
4401         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
4402         it and document registers.
4403
4404 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4405
4406         * config/aarch64/aarch64.c (ares_tunings): Define.
4407         * config/aarch64/aarch64-cores.def (ares): Use the above.
4408
4409 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
4410
4411         PR target/88794
4412         Revert:
4413         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
4414
4415         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
4416         (_mm512_fixupimm_round_pd): Update parameters and builtin.
4417         (_mm512_maskz_fixupimm_round_pd): Ditto.
4418         (_mm512_fixupimm_round_ps): Ditto.
4419         (_mm512_maskz_fixupimm_round_ps): Ditto.
4420         (_mm_fixupimm_round_sd): Ditto.
4421         (_mm_maskz_fixupimm_round_sd): Ditto.
4422         (_mm_fixupimm_round_ss): Ditto.
4423         (_mm_maskz_fixupimm_round_ss): Ditto.
4424         (_mm512_fixupimm_pd): Ditto.
4425         (_mm512_maskz_fixupimm_pd): Ditto.
4426         (_mm512_fixupimm_ps): Ditto.
4427         (_mm512_maskz_fixupimm_ps): Ditto.
4428         (_mm_fixupimm_sd): Ditto.
4429         (_mm_maskz_fixupimm_sd): Ditto.
4430         (_mm_fixupimm_ss): Ditto.
4431         (_mm_maskz_fixupimm_ss): Ditto.
4432         (_mm512_mask_fixupimm_round_pd): Update builtin.
4433         (_mm512_mask_fixupimm_round_ps): Ditto.
4434         (_mm_mask_fixupimm_round_sd): Ditto.
4435         (_mm_mask_fixupimm_round_ss): Ditto.
4436         (_mm512_mask_fixupimm_pd): Ditto.
4437         (_mm512_mask_fixupimm_ps): Ditto.
4438         (_mm_mask_fixupimm_sd): Ditto.
4439         (_mm_mask_fixupimm_ss): Ditto.
4440         * config/i386/avx512vlintrin.h:
4441         (_mm256_fixupimm_pd): Update parameters and builtin.
4442         (_mm256_maskz_fixupimm_pd): Ditto.
4443         (_mm256_fixupimm_ps): Ditto.
4444         (_mm256_maskz_fixupimm_ps): Ditto.
4445         (_mm_fixupimm_pd): Ditto.
4446         (_mm_maskz_fixupimm_pd): Ditto.
4447         (_mm_fixupimm_ps): Ditto.
4448         (_mm_maskz_fixupimm_ps): Ditto.
4449         (_mm256_mask_fixupimm_pd): Update builtin.
4450         (_mm256_mask_fixupimm_ps): Ditto.
4451         (_mm_mask_fixupimm_pd): Ditto.
4452         (_mm_mask_fixupimm_ps): Ditto.
4453         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
4454         * config/i386/i386-builtin.def: Update builtin definitions.
4455         * config/i386/i386.c: Handle new builtin types and remove useless ones.
4456         * config/i386/sse.md: Update VFIXUPIMM* patterns.
4457         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4458         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4459         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
4460         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4461         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4462         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
4463         * config/i386/subst.md:
4464         (round_saeonly_sd_mask_operand4): Add new subst_attr.
4465         (round_saeonly_sd_mask_op4): Ditto.
4466         (round_saeonly_expand_operand5): Ditto.
4467         (round_saeonly_expand): Update.
4468
4469 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
4470
4471         PR target/88794
4472         Revert:
4473         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
4474
4475         * config/i386/sse.md: Combine VFIXUPIMM* patterns
4476         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4477         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4478         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
4479         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4480         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4481         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
4482
4483 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
4484
4485         PR target/88794
4486         Revert:
4487         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
4488
4489         PR target/88489
4490         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
4491         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
4492         instead of UNSPEC_FIXUPIMM.
4493
4494 2019-01-17  Richard Biener  <rguenther@suse.de>
4495
4496         PR lto/86736
4497         * dwarf2out.c (want_pubnames): Never generate pubnames sections
4498         and friends for the LTO part of debug info.
4499
4500 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
4501
4502         PR tree-optimization/86214
4503         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
4504         if x == y.
4505
4506         PR rtl-optimization/88870
4507         * dce.c (deletable_insn_p): Never delete const/pure calls that can
4508         throw if we can't alter the cfg or delete dead exceptions.
4509         (mark_insn): Don't call find_call_stack_args for such calls.
4510
4511 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
4512
4513         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
4514         prototypes for vec_st.
4515         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
4516         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
4517         mainly on signed/unsigned long long and double.
4518
4519 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
4520
4521         PR target/88861
4522         * combine.c (delete_noop_moves): Convert to "bool" return,
4523         returning true if any edges are eliminated.
4524         (combine_instructions): Also return true if delete_noop_moves
4525         returns true.
4526
4527 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
4528
4529         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
4530         correct max nunits for endian swap.
4531         (aarch64_expand_fcmla_builtin): Correct subreg code.
4532         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
4533         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
4534         lane endianness.
4535
4536 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
4537
4538         * config/alpha/alpha.c (alpha_gimplify_va_arg):
4539         Handle split indirect COMPLEX_TYPE arguments.
4540
4541 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
4542
4543         PR target/86891
4544         * config/aarch64/aarch64-modes.def: Add comment about how the carry
4545         bit is set by add and compare.
4546         (CC_ADC): New CC_MODE.
4547         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
4548         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
4549         comparison.  Add detection for CC_ADCmode.
4550         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
4551         CC_ADCmode.
4552         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
4553         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
4554         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
4555         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
4556         to eliminate the need for zero-extending the operands.
4557         (add<mode>3_compareC_imm): Delete.  Merge into ...
4558         (add<mode>3_compareC): ... this.  Restructure the comparison to
4559         eliminate the need for zero-extending the operands.
4560         (add<mode>3_carryin): Use LTU for the overflow detection.
4561         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
4562         Reexpress comparison for overflow.
4563         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
4564         (add<mode>3_carryinC): Likewise.
4565         (add<mode>3_carryinV): Use LTU for carry between partials.
4566         * config/aarch64/predicates.md (aarch64_carry_operation): Update
4567         handling of CC_Cmode and add CC_ADCmode.
4568         (aarch64_borrow_operation): Likewise.
4569
4570 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
4571
4572         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
4573         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
4574         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
4575         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
4576
4577 2019-01-16  Martin Liska  <mliska@suse.cz>
4578
4579         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
4580         for GCC driver.
4581         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
4582         a new argument.
4583         * gcc.c (add_sysrooted_hdrs_prefix): New function.
4584         (path_prefix_reset): Move up in the source file.
4585         (find_fortran_preinclude_file): Make complex search for the
4586         fortran header files.
4587
4588 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
4589
4590         * godump.c (go_output_typedef): When outputting a typedef, refer
4591         to the underlying type by its name and not its structure.
4592
4593 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
4594
4595         PR c++/88795
4596         * tree.c (build_function_type): Assert that arg_types is not
4597         error_mark_node.
4598
4599 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
4600
4601         PR inline-asm/52813
4602         * doc/extend.texi: Document that listing the stack pointer in the
4603         clobber list of an asm is a deprecated feature.
4604         * common.opt (Wdeprecated): Moved from c-family/c.opt.
4605         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
4606         warning instead of an error for clobbers of the stack pointer.
4607         Add a note explaining why.
4608
4609 2019-01-15  Richard Biener  <rguenther@suse.de>
4610
4611         PR debug/88046
4612         * dwarf2out.c (gen_member_die): Do not generate inheritance
4613         DIEs late.
4614
4615 2019-01-15  Richard Biener  <rguenther@suse.de>
4616
4617         PR tree-optimization/88855
4618         * tree-if-conv.c (combine_blocks): Collect
4619         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
4620
4621 2019-01-15  Tom de Vries  <tdevries@suse.de>
4622
4623         PR target/80547
4624         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
4625         lhs == NULL_TREE for gang-level reduction.
4626
4627 2019-01-15  Richard Biener  <rguenther@suse.de>
4628             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4629
4630         PR ipa/88788
4631         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
4632         return true if SSA_NAME is already marked in visited bitmap.
4633         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
4634
4635 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
4636
4637         PR tree-optimization/88775
4638         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
4639         equal == 0 equality pointer comparisons some more if compared in
4640         integral types and either one points to an automatic var and the
4641         other to a global, or we can prove at least one points to the middle
4642         or both point to start or both point to end.
4643
4644 2019-01-14  Andi Kleen  <ak@linux.intel.com>
4645
4646         * Makefile.in: Lower autofdo sampling rate by 10x.
4647         * Makefile.tpl: Dito.
4648
4649 2019-01-14  Tom Honermann  <tom@honermann.net>
4650
4651         * defaults.h: Define CHAR8_TYPE.
4652
4653 2019-01-14  Martin Sebor  <msebor@redhat.com>
4654
4655         PR target/88638
4656         * doc/extend.texi (Darwin Format Checks): Clarify.
4657
4658 2019-01-14  Richard Biener  <rguenther@suse.de>
4659
4660         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
4661         whether we are in (simplify ...) or (match ...) context.
4662
4663 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
4664
4665         PR rtl-optimization/88796
4666         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
4667         * cfgexpand.c (stack_protect_prologue): Initialize
4668         crtl->stack_protect_guard_decl.
4669         * function.c (stack_protect_epilogue): Use it instead of calling
4670         targetm.stack_protect_guard again.
4671         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
4672         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
4673         crtl->stack_protect_guard_decl.
4674         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
4675         on the returned MEM_EXPR.
4676
4677 2019-01-12  Tom de Vries  <tdevries@suse.de>
4678
4679         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
4680         vector length using -fopenacc-dim.
4681
4682 2019-01-12  Tom de Vries  <tdevries@suse.de>
4683
4684         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
4685         lengths into account.
4686
4687 2019-01-12  Svante Signell  <svante.signell@gmail.com>
4688
4689         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
4690         (TARGET_CAN_SPLIT_STACK): Define.
4691         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
4692
4693 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
4694
4695         * params.def (inline-unit-growth): Set to 40.
4696
4697 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
4698
4699         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
4700
4701 2019-01-12  Tom de Vries  <tdevries@suse.de>
4702
4703         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
4704         region calling vector-partitionable routine, set default_vector_length
4705         to WARP_SIZE.
4706
4707 2019-01-12  Tom de Vries  <tdevries@suse.de>
4708
4709         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
4710         variable default_vector_length.
4711
4712 2019-01-12  Tom de Vries  <tdevries@suse.de>
4713
4714         PR middle-end/88703
4715         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
4716         from oacc_default_dims, as oacc_validate_dims would do it, and apply
4717         dimensions limits.
4718
4719 2019-01-12  Tom de Vries  <tdevries@suse.de>
4720
4721         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
4722         (nvptx_goacc_validate_dims): Add used parameter.
4723         * doc/tm.texi: Regenerate.
4724         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
4725         argument to call to targetm.goacc.validate_dims.
4726         (default_goacc_validate_dims): Add used
4727         parameter.
4728         * target.def (validate_dims): Add used parameter in DEFHOOK.
4729         * targhooks.h (default_goacc_validate_dims): Add used parameter.
4730
4731 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4732
4733         PR middle-end/85956
4734         PR lto/88733
4735         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
4736         field.
4737         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
4738         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
4739         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
4740         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
4741
4742 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
4743
4744         PR rtl-optimization/87305
4745         * lra-assigns.c
4746         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
4747         for little endian pseudos used as paradoxical subreg.
4748
4749 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4750
4751         PR tree-optimization/88693
4752         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
4753         for STRING_CSTs that don't contain any NUL characters in the first
4754         TREE_STRING_LENGTH bytes.
4755
4756 2019-01-11  Alan Modra  <amodra@gmail.com>
4757
4758         PR 88777
4759         PR 88614
4760         * genattrtab.c (min_fn): Don't translate values.
4761         (min_attr_value): Return INT_MAX when the value can't be calculated.
4762         Return minimum among any values that can be calculated.
4763         (max_attr_value): Adjust.
4764
4765 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4766
4767         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
4768
4769 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
4770
4771         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
4772         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
4773         (aarch64_return_call_with_max_clobbers): New function.
4774         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
4775         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
4776         argument.
4777         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
4778         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
4779         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
4780         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
4781         * cselib.c (cselib_process_insn): Add argument to
4782         targetm.hard_regno_call_part_clobbered call.
4783         * ira-conflicts.c (ira_build_conflicts): Ditto.
4784         * ira-costs.c (ira_tune_allocno_costs): Ditto.
4785         * lra-constraints.c (inherit_reload_reg): Ditto.
4786         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
4787         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
4788         argument.  Call targetm.return_call_with_max_clobbers.
4789         Add argument to targetm.hard_regno_call_part_clobbered call.
4790         (calls_have_same_clobbers_p): New function.
4791         (process_bb_lives): Add call_insn and last_call_insn variables.
4792         Pass call_insn to check_pseudos_live_through_calls.
4793         Modify if stmt to check targetm.return_call_with_max_clobbers.
4794         Update setting of flush variable.
4795         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
4796         to false.
4797         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
4798         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
4799         targetm.hard_regno_call_part_clobbered call.
4800         * reginfo.c (choose_hard_reg_mode): Ditto.
4801         * regrename.c (check_new_reg_p): Ditto.
4802         * reload.c (find_equiv_reg): Ditto.
4803         * reload1.c (emit_reload_insns): Ditto.
4804         * sched-deps.c (deps_analyze_insn): Ditto.
4805         * sel-sched.c (init_regs_for_mode): Ditto.
4806         (mark_unavailable_hard_regs): Ditto.
4807         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
4808         * target.def (hard_regno_call_part_clobbered): Add insn argument.
4809         (return_call_with_max_clobbers): New target function.
4810         * doc/tm.texi: Regenerate.
4811         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
4812         * hooks.c (hook_bool_uint_mode_false): Change to
4813         hook_bool_insn_uint_mode_false.
4814         * hooks.h (hook_bool_uint_mode_false): Ditto.
4815
4816 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
4817
4818         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
4819         (aarch64_remove_extra_call_preserved_regs): New function.
4820         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
4821         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
4822         * doc/tm.texi: Regenerate.
4823         * final.c (get_call_reg_set_usage): Call new hook.
4824         * target.def (remove_extra_call_preserved_regs): New hook.
4825         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
4826         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
4827
4828 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4829
4830         PR bootstrap/88714
4831         * passes.c (finish_optimization_passes): Call print_combine_total_stats
4832         inside of pass_combine_1 dump rather than pass_profile_1.
4833
4834 2019-01-11  Tom de Vries  <tdevries@suse.de>
4835
4836         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
4837         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
4838         (PTX_NUM_PER_WORKER_BARRIERS): Define.
4839         (nvptx_apply_dim_limits): Prevent vector_length 64 and
4840         num_workers 16.
4841
4842 2019-01-11  Tom de Vries  <tdevries@suse.de>
4843
4844         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
4845
4846 2019-01-11  Jan Beulich  <jbeulich@suse.com>
4847
4848         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
4849         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
4850         sse2_cvtsi2sd): Add {l}.
4851         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
4852         syntax.
4853
4854 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4855
4856         PR target/88785
4857         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
4858         define_expand.
4859         (*float<floatunssuffix>v2div2sf2): New define_insn.
4860         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
4861         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
4862         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
4863         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
4864         match_operands with "const0_operand" "C".
4865
4866 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4867
4868         * config/aarch64/aarch64-builtins.c
4869         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
4870         (aarch64_init_simd_builtins): ...Here
4871
4872 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
4873
4874         PR rtl-optimization/87305
4875         * lra-assigns.c
4876         (setup_live_pseudos_and_spill_after_risky_transforms): Check
4877         allocation for big endian pseudos used as paradoxical subregs and
4878         spill them if it is wrong.
4879         * lra-constraints.c (lra_constraints): Add a comment.
4880
4881 2019-01-10  Richard Biener  <rguenther@suse.de>
4882
4883         PR tree-optimization/88792
4884         * tree-ssa-pre.c (get_representative_for): Do not return a
4885         value-number here.
4886
4887 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4888
4889         PR middle-end/84877
4890         PR bootstrap/88450
4891         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
4892         (assign_parm_setup_block): Do the argument slot realignment here
4893         instead.
4894
4895 2019-01-10  Stefan Agner  <stefan@agner.ch>
4896
4897         PR target/88648
4898         * config/arm/arm.c (arm_option_override_internal): Force
4899         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
4900
4901 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4902
4903         PR c/88568
4904         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
4905         DECL_EXTERNAL.
4906
4907 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4908
4909         * config/arm/arm-builtins.c
4910         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
4911         (MAC_LANE_PAIR_QUALIFIERS): New.
4912         (arm_expand_builtin_args): Use it.
4913         (arm_expand_builtin_1): Likewise.
4914         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
4915         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
4916         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
4917         * config/arm/arm_neon.h:
4918         (vcadd_rot90_f16): New.
4919         (vcaddq_rot90_f16): New.
4920         (vcadd_rot270_f16): New.
4921         (vcaddq_rot270_f16): New.
4922         (vcmla_f16): New.
4923         (vcmlaq_f16): New.
4924         (vcmla_lane_f16): New.
4925         (vcmla_laneq_f16): New.
4926         (vcmlaq_lane_f16): New.
4927         (vcmlaq_laneq_f16): New.
4928         (vcmla_rot90_f16): New.
4929         (vcmlaq_rot90_f16): New.
4930         (vcmla_rot90_lane_f16): New.
4931         (vcmla_rot90_laneq_f16): New.
4932         (vcmlaq_rot90_lane_f16): New.
4933         (vcmlaq_rot90_laneq_f16): New.
4934         (vcmla_rot180_f16): New.
4935         (vcmlaq_rot180_f16): New.
4936         (vcmla_rot180_lane_f16): New.
4937         (vcmla_rot180_laneq_f16): New.
4938         (vcmlaq_rot180_lane_f16): New.
4939         (vcmlaq_rot180_laneq_f16): New.
4940         (vcmla_rot270_f16): New.
4941         (vcmlaq_rot270_f16): New.
4942         (vcmla_rot270_lane_f16): New.
4943         (vcmla_rot270_laneq_f16): New.
4944         (vcmlaq_rot270_lane_f16): New.
4945         (vcmlaq_rot270_laneq_f16): New.
4946         (vcadd_rot90_f32): New.
4947         (vcaddq_rot90_f32): New.
4948         (vcadd_rot270_f32): New.
4949         (vcaddq_rot270_f32): New.
4950         (vcmla_f32): New.
4951         (vcmlaq_f32): New.
4952         (vcmla_lane_f32): New.
4953         (vcmla_laneq_f32): New.
4954         (vcmlaq_lane_f32): New.
4955         (vcmlaq_laneq_f32): New.
4956         (vcmla_rot90_f32): New.
4957         (vcmlaq_rot90_f32): New.
4958         (vcmla_rot90_lane_f32): New.
4959         (vcmla_rot90_laneq_f32): New.
4960         (vcmlaq_rot90_lane_f32): New.
4961         (vcmlaq_rot90_laneq_f32): New.
4962         (vcmla_rot180_f32): New.
4963         (vcmlaq_rot180_f32): New.
4964         (vcmla_rot180_lane_f32): New.
4965         (vcmla_rot180_laneq_f32): New.
4966         (vcmlaq_rot180_lane_f32): New.
4967         (vcmlaq_rot180_laneq_f32): New.
4968         (vcmla_rot270_f32): New.
4969         (vcmlaq_rot270_f32): New.
4970         (vcmla_rot270_lane_f32): New.
4971         (vcmla_rot270_laneq_f32): New.
4972         (vcmlaq_rot270_lane_f32): New.
4973         (vcmlaq_rot270_laneq_f32): New.
4974         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
4975         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180, vcmla_lane270,
4976         vcmla_laneq0, vcmla_laneq90, vcmla_laneq180, vcmla_laneq270,
4977         vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180, vcmlaq_lane270): New.
4978         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
4979         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
4980         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
4981         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
4982         (arm_option_reconfigure_globals): Use them.
4983         * config/arm/iterators.md (VDF, VQ_HSF): New.
4984         (VCADD, VCMLA): New.
4985         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
4986         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>): New.
4987         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
4988         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
4989
4990 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4991
4992         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers): Add qualifier_lane_pair_index.
4993         (emit-rtl.h): Include.
4994         (TYPES_QUADOP_LANE_PAIR): New.
4995         (aarch64_simd_expand_args): Use it.
4996         (aarch64_simd_expand_builtin): Likewise.
4997         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum): New.
4998         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
4999         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
5000         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
5001         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
5002         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
5003         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
5004         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
5005         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
5006         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
5007         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
5008         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add __ARM_FEATURE_COMPLEX.
5009         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0, fcmla90,
5010         fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180, fcmla_lane270,
5011         fcmla_laneq0, fcmla_laneq90, fcmla_laneq180, fcmla_laneq270,
5012         fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180, fcmlaq_lane270): New.
5013         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
5014         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,aarch64_fcadd<rot><mode>,
5015         aarch64_fcmla<rot><mode>): New.
5016         * config/aarch64/arm_neon.h:
5017         (vcadd_rot90_f16): New.
5018         (vcaddq_rot90_f16): New.
5019         (vcadd_rot270_f16): New.
5020         (vcaddq_rot270_f16): New.
5021         (vcmla_f16): New.
5022         (vcmlaq_f16): New.
5023         (vcmla_lane_f16): New.
5024         (vcmla_laneq_f16): New.
5025         (vcmlaq_lane_f16): New.
5026         (vcmlaq_rot90_lane_f16): New.
5027         (vcmla_rot90_laneq_f16): New.
5028         (vcmla_rot90_lane_f16): New.
5029         (vcmlaq_rot90_f16): New.
5030         (vcmla_rot90_f16): New.
5031         (vcmlaq_laneq_f16): New.
5032         (vcmla_rot180_laneq_f16): New.
5033         (vcmla_rot180_lane_f16): New.
5034         (vcmlaq_rot180_f16): New.
5035         (vcmla_rot180_f16): New.
5036         (vcmlaq_rot90_laneq_f16): New.
5037         (vcmlaq_rot270_laneq_f16): New.
5038         (vcmlaq_rot270_lane_f16): New.
5039         (vcmla_rot270_laneq_f16): New.
5040         (vcmlaq_rot270_f16): New.
5041         (vcmla_rot270_f16): New.
5042         (vcmlaq_rot180_laneq_f16): New.
5043         (vcmlaq_rot180_lane_f16): New.
5044         (vcmla_rot270_lane_f16): New.
5045         (vcadd_rot90_f32): New.
5046         (vcaddq_rot90_f32): New.
5047         (vcaddq_rot90_f64): New.
5048         (vcadd_rot270_f32): New.
5049         (vcaddq_rot270_f32): New.
5050         (vcaddq_rot270_f64): New.
5051         (vcmla_f32): New.
5052         (vcmlaq_f32): New.
5053         (vcmlaq_f64): New.
5054         (vcmla_lane_f32): New.
5055         (vcmla_laneq_f32): New.
5056         (vcmlaq_lane_f32): New.
5057         (vcmlaq_laneq_f32): New.
5058         (vcmla_rot90_f32): New.
5059         (vcmlaq_rot90_f32): New.
5060         (vcmlaq_rot90_f64): New.
5061         (vcmla_rot90_lane_f32): New.
5062         (vcmla_rot90_laneq_f32): New.
5063         (vcmlaq_rot90_lane_f32): New.
5064         (vcmlaq_rot90_laneq_f32): New.
5065         (vcmla_rot180_f32): New.
5066         (vcmlaq_rot180_f32): New.
5067         (vcmlaq_rot180_f64): New.
5068         (vcmla_rot180_lane_f32): New.
5069         (vcmla_rot180_laneq_f32): New.
5070         (vcmlaq_rot180_lane_f32): New.
5071         (vcmlaq_rot180_laneq_f32): New.
5072         (vcmla_rot270_f32): New.
5073         (vcmlaq_rot270_f32): New.
5074         (vcmlaq_rot270_f64): New.
5075         (vcmla_rot270_lane_f32): New.
5076         (vcmla_rot270_laneq_f32): New.
5077         (vcmlaq_rot270_lane_f32): New.
5078         (vcmlaq_rot270_laneq_f32): New.
5079         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
5080         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
5081         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
5082         (FCADD, FCMLA): New.
5083         (rot): New.
5084         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
5085
5086 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
5087
5088         PR other/16615
5089
5090         * config/pa/pa.c: Change "can not" to "cannot".
5091         * gimple-ssa-evrp-analyze.c: Likewise.
5092         * ipa-icf.c: Likewise.
5093         * ipa-polymorphic-call.c: Likewise.
5094         * ipa-pure-const.c: Likewise.
5095         * lra-constraints.c: Likewise.
5096         * lra-remat.c: Likewise.
5097         * reload1.c: Likewise.
5098         * reorg.c: Likewise.
5099         * tree-ssa-uninit.c: Likewise.
5100
5101 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
5102
5103         PR other/16615
5104
5105         * Makefile.in: Mechanically replace "can not" with "cannot".
5106         * alias.c: Likewise.
5107         * builtins.c: Likewise.
5108         * calls.c: Likewise.
5109         * cgraph.c: Likewise.
5110         * cgraph.h: Likewise.
5111         * cgraphclones.c: Likewise.
5112         * cgraphunit.c: Likewise.
5113         * combine-stack-adj.c: Likewise.
5114         * combine.c: Likewise.
5115         * common/config/i386/i386-common.c: Likewise.
5116         * config/aarch64/aarch64.c: Likewise.
5117         * config/alpha/sync.md: Likewise.
5118         * config/arc/arc.c: Likewise.
5119         * config/arc/predicates.md: Likewise.
5120         * config/arm/arm-c.c: Likewise.
5121         * config/arm/arm.c: Likewise.
5122         * config/arm/arm.h: Likewise.
5123         * config/arm/arm.md: Likewise.
5124         * config/arm/cortex-r4f.md: Likewise.
5125         * config/csky/csky.c: Likewise.
5126         * config/csky/csky.h: Likewise.
5127         * config/darwin-f.c: Likewise.
5128         * config/epiphany/epiphany.md: Likewise.
5129         * config/i386/i386.c: Likewise.
5130         * config/i386/sol2.h: Likewise.
5131         * config/m68k/m68k.c: Likewise.
5132         * config/mcore/mcore.h: Likewise.
5133         * config/microblaze/microblaze.md: Likewise.
5134         * config/mips/20kc.md: Likewise.
5135         * config/mips/sb1.md: Likewise.
5136         * config/nds32/nds32.c: Likewise.
5137         * config/nds32/predicates.md: Likewise.
5138         * config/pa/pa.c: Likewise.
5139         * config/rs6000/e300c2c3.md: Likewise.
5140         * config/rs6000/rs6000.c: Likewise.
5141         * config/s390/s390.h: Likewise.
5142         * config/sh/sh.c: Likewise.
5143         * config/sh/sh.md: Likewise.
5144         * config/spu/vmx2spu.h: Likewise.
5145         * cprop.c: Likewise.
5146         * dbxout.c: Likewise.
5147         * df-scan.c: Likewise.
5148         * doc/cfg.texi: Likewise.
5149         * doc/extend.texi: Likewise.
5150         * doc/fragments.texi: Likewise.
5151         * doc/gty.texi: Likewise.
5152         * doc/invoke.texi: Likewise.
5153         * doc/lto.texi: Likewise.
5154         * doc/md.texi: Likewise.
5155         * doc/objc.texi: Likewise.
5156         * doc/rtl.texi: Likewise.
5157         * doc/tm.texi: Likewise.
5158         * dse.c: Likewise.
5159         * emit-rtl.c: Likewise.
5160         * emit-rtl.h: Likewise.
5161         * except.c: Likewise.
5162         * expmed.c: Likewise.
5163         * expr.c: Likewise.
5164         * fold-const.c: Likewise.
5165         * genautomata.c: Likewise.
5166         * gimple-fold.c: Likewise.
5167         * hard-reg-set.h: Likewise.
5168         * ifcvt.c: Likewise.
5169         * ipa-comdats.c: Likewise.
5170         * ipa-cp.c: Likewise.
5171         * ipa-devirt.c: Likewise.
5172         * ipa-fnsummary.c: Likewise.
5173         * ipa-icf.c: Likewise.
5174         * ipa-inline-transform.c: Likewise.
5175         * ipa-inline.c: Likewise.
5176         * ipa-polymorphic-call.c: Likewise.
5177         * ipa-profile.c: Likewise.
5178         * ipa-prop.c: Likewise.
5179         * ipa-pure-const.c: Likewise.
5180         * ipa-reference.c: Likewise.
5181         * ipa-split.c: Likewise.
5182         * ipa-visibility.c: Likewise.
5183         * ipa.c: Likewise.
5184         * ira-build.c: Likewise.
5185         * ira-color.c: Likewise.
5186         * ira-conflicts.c: Likewise.
5187         * ira-costs.c: Likewise.
5188         * ira-int.h: Likewise.
5189         * ira-lives.c: Likewise.
5190         * ira.c: Likewise.
5191         * ira.h: Likewise.
5192         * loop-invariant.c: Likewise.
5193         * loop-unroll.c: Likewise.
5194         * lower-subreg.c: Likewise.
5195         * lra-assigns.c: Likewise.
5196         * lra-constraints.c: Likewise.
5197         * lra-eliminations.c: Likewise.
5198         * lra-lives.c: Likewise.
5199         * lra-remat.c: Likewise.
5200         * lra-spills.c: Likewise.
5201         * lra.c: Likewise.
5202         * lto-cgraph.c: Likewise.
5203         * lto-streamer-out.c: Likewise.
5204         * postreload-gcse.c: Likewise.
5205         * predict.c: Likewise.
5206         * profile-count.h: Likewise.
5207         * profile.c: Likewise.
5208         * recog.c: Likewise.
5209         * ree.c: Likewise.
5210         * reload.c: Likewise.
5211         * reload1.c: Likewise.
5212         * reorg.c: Likewise.
5213         * resource.c: Likewise.
5214         * rtl.def: Likewise.
5215         * rtl.h: Likewise.
5216         * rtlanal.c: Likewise.
5217         * sched-deps.c: Likewise.
5218         * sched-ebb.c: Likewise.
5219         * sched-rgn.c: Likewise.
5220         * sel-sched-ir.c: Likewise.
5221         * sel-sched.c: Likewise.
5222         * shrink-wrap.c: Likewise.
5223         * simplify-rtx.c: Likewise.
5224         * symtab.c: Likewise.
5225         * target.def: Likewise.
5226         * toplev.c: Likewise.
5227         * tree-call-cdce.c: Likewise.
5228         * tree-cfg.c: Likewise.
5229         * tree-complex.c: Likewise.
5230         * tree-core.h: Likewise.
5231         * tree-eh.c: Likewise.
5232         * tree-inline.c: Likewise.
5233         * tree-loop-distribution.c: Likewise.
5234         * tree-nrv.c: Likewise.
5235         * tree-profile.c: Likewise.
5236         * tree-sra.c: Likewise.
5237         * tree-ssa-alias.c: Likewise.
5238         * tree-ssa-dce.c: Likewise.
5239         * tree-ssa-dom.c: Likewise.
5240         * tree-ssa-forwprop.c: Likewise.
5241         * tree-ssa-loop-im.c: Likewise.
5242         * tree-ssa-loop-ivcanon.c: Likewise.
5243         * tree-ssa-loop-ivopts.c: Likewise.
5244         * tree-ssa-loop-niter.c: Likewise.
5245         * tree-ssa-phionlycprop.c: Likewise.
5246         * tree-ssa-phiopt.c: Likewise.
5247         * tree-ssa-propagate.c: Likewise.
5248         * tree-ssa-threadedge.c: Likewise.
5249         * tree-ssa-threadupdate.c: Likewise.
5250         * tree-ssa-uninit.c: Likewise.
5251         * tree-ssanames.c: Likewise.
5252         * tree-streamer-out.c: Likewise.
5253         * tree.c: Likewise.
5254         * tree.h: Likewise.
5255         * vr-values.c: Likewise.
5256
5257 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
5258
5259         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
5260         (ix86_split_xorsign): Ditto.
5261         * config/i386/i386.c (ix86_expand_xorsign): New function.
5262         (ix86_split_xorsign): Ditto.
5263         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
5264         (xorsign<mode>3): New expander.
5265         (xorsign<mode>3_1): New insn_and_split pattern.
5266         * config/i386/sse.md (xorsign<mode>3): New expander.
5267
5268 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5269
5270         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
5271         (*tablejump_sp64): Likewise.
5272         (*tablejump<P:mode>): ...this.
5273         (*call_address_sp32): Merge into...
5274         (*call_address_sp64): Likewise.
5275         (*call_address<P:mode>): ...this.
5276         (*call_symbolic_sp32): Merge into...
5277         (*call_symbolic_sp64): Likewise.
5278         (*call_symbolic<P:mode>): ...this.
5279         (call_value): Remove constraint and add predicate.
5280         (*call_value_address_sp32): Merge into...
5281         (*call_value_address_sp64): Likewise.
5282         (*call_value_address<P:mode>): ...this.
5283         (*call_value_symbolic_sp32): Merge into...
5284         (*call_value_symbolic_sp64): Likewise.
5285         (*call_value_symbolic<P:mode>): ...this.
5286         (*sibcall_symbolic_sp32): Merge into...
5287         (*sibcall_symbolic_sp64): Likewise.
5288         (*sibcall_symbolic<P:mode>): ...this.
5289         (sibcall_value): Remove constraint and add predicate.
5290         (*sibcall_value_symbolic_sp32): Merge into...
5291         (*sibcall_value_symbolic_sp64): Likewise.
5292         (*sibcall_value_symbolic<P:mode>): ...this.
5293         (window_save): Minor tweak.
5294         (*branch_sp32): Merge into...
5295         (*branch_sp64): Likewise.
5296         (*branch<P:mode>): ...this.
5297
5298 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5299             James Clarke  <jrtc27@jrtc27.com>
5300
5301         PR target/84010
5302         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
5303         consistently in TLS address generation and adjust code to the renaming
5304         of patterns.  Mark calls to __tls_get_addr as const.
5305         * config/sparc/sparc.md (tgd_hi22): Turn into...
5306         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
5307         (tgd_lo10): Turn into...
5308         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
5309         (tgd_add32): Merge into...
5310         (tgd_add64): Likewise.
5311         (tgd_add<P:mode>): ...this and use Pmode throughout.
5312         (tldm_hi22): Turn into...
5313         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
5314         (tldm_lo10): Turn into...
5315         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
5316         (tldm_add32): Merge into...
5317         (tldm_add64): Likewise.
5318         (tldm_add<P:mode>): ...this and use Pmode throughout.
5319         (tldm_call32): Merge into...
5320         (tldm_call64): Likewise.
5321         (tldm_call<P:mode>): ...this and use Pmode throughout.
5322         (tldo_hix22): Turn into...
5323         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
5324         (tldo_lox10): Turn into...
5325         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
5326         (tldo_add32): Merge into...
5327         (tldo_add64): Likewise.
5328         (tldo_add<P:mode>): ...this and use Pmode throughout.
5329         (tie_hi22): Turn into...
5330         (tie_hi22<P:mode>): ...this and use Pmode throughout.
5331         (tie_lo10): Turn into...
5332         (tie_lo10<P:mode>): ...this and use Pmode throughout.
5333         (tie_ld64): Use DImode throughout.
5334         (tie_add32): Merge into...
5335         (tie_add64): Likewise.
5336         (tie_add<P:mode>): ...this and use Pmode throughout.
5337         (tle_hix22_sp32): Merge into...
5338         (tle_hix22_sp64): Likewise.
5339         (tle_hix22<P:mode>): ...this and use Pmode throughout.
5340         (tle_lox22_sp32): Merge into...
5341         (tle_lox22_sp64): Likewise.
5342         (tle_lox22<P:mode>): ...this and use Pmode throughout.
5343         (*tldo_ldub_sp32): Merge into...
5344         (*tldo_ldub_sp64): Likewise.
5345         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
5346         (*tldo_ldub1_sp32): Merge into...
5347         (*tldo_ldub1_sp64): Likewise.
5348         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
5349         (*tldo_ldub2_sp32): Merge into...
5350         (*tldo_ldub2_sp64): Likewise.
5351         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
5352         (*tldo_ldsb1_sp32): Merge into...
5353         (*tldo_ldsb1_sp64): Likewise.
5354         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
5355         (*tldo_ldsb2_sp32): Merge into...
5356         (*tldo_ldsb2_sp64): Likewise.
5357         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
5358         (*tldo_ldub3_sp64): Use DImode throughout.
5359         (*tldo_ldsb3_sp64): Likewise.
5360         (*tldo_lduh_sp32): Merge into...
5361         (*tldo_lduh_sp64): Likewise.
5362         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
5363         (*tldo_lduh1_sp32): Merge into...
5364         (*tldo_lduh1_sp64): Likewise.
5365         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
5366         (*tldo_ldsh1_sp32): Merge into...
5367         (*tldo_ldsh1_sp64): Likewise.
5368         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
5369         (*tldo_lduh2_sp64): Use DImode throughout.
5370         (*tldo_ldsh2_sp64): Likewise.
5371         (*tldo_lduw_sp32): Merge into...
5372         (*tldo_lduw_sp64): Likewise.
5373         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
5374         (*tldo_lduw1_sp64): Use DImode throughout.
5375         (*tldo_ldsw1_sp64): Likewise.
5376         (*tldo_ldx_sp64): Likewise.
5377         (*tldo_stb_sp32): Merge into...
5378         (*tldo_stb_sp64): Likewise.
5379         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
5380         (*tldo_sth_sp32): Merge into...
5381         (*tldo_sth_sp64): Likewise.
5382         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
5383         (*tldo_stw_sp32): Merge into...
5384         (*tldo_stw_sp64): Likewise.
5385         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
5386         (*tldo_stx_sp64): Use DImode throughout.
5387
5388 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5389
5390         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
5391         check configure option to set BTI and Return Address Signing.
5392         * configure.ac: Add --enable-standard-branch-protection and
5393         --disable-standard-branch-protection.
5394         * configure: Regenerated.
5395         * doc/install.texi: Document the same.
5396
5397 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5398             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5399
5400         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
5401         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
5402         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
5403         if bti is enabled.
5404         * config/aarch64/aarch64-bti-insert.c: New file.
5405         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
5406         pass.
5407         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
5408         new bti pass.
5409         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
5410         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
5411         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
5412         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
5413
5414 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5415
5416         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
5417         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
5418         Disable bti for -mbranch-protection=none.
5419         (aarch64_handle_standard_branch_protection): Enable bti for
5420         -mbranch-protection=standard.
5421         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
5422         -mbranch-protection.
5423         (aarch64_bti_enabled): Check if bti is enabled.
5424         * config/aarch64/aarch64.opt: Declare target variable.
5425         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
5426
5427 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5428
5429         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
5430         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
5431         (aarch64_expand_epilogue): Likewise.
5432         (aarch64_output_mi_thunk): Likewise
5433         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
5434         TAILCALL_ADDR_REGS to x16 and x17.
5435         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
5436
5437 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5438
5439         * config/aarch64/aarch64-option-extensions.def: Define
5440         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
5441         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
5442         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
5443         (AARCH64_FL_PREDRES): New.
5444         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
5445         AARCH64_FL_PREDRES by default.
5446         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
5447
5448 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5449
5450         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
5451         ARMv8.5-A.
5452         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
5453         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
5454         * doc/invoke.texi: Document ARMv8.5-A.
5455
5456 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
5457
5458         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
5459         (xorsign<mode>3): Likewise.
5460
5461 2019-01-09  Jelinek  <jakub@redhat.com>
5462
5463         PR middle-end/88758
5464         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
5465         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
5466
5467         PR rtl-optimization/88331
5468         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
5469         not currently_expanding_to_rtl.
5470
5471 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5472
5473         * doc/invoke.texi (-Os): Remove trailing spaces.
5474         (-finline-functions): Remove reference to -O2.
5475
5476 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
5477
5478         PR rtl-optimization/79593
5479         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
5480
5481         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
5482         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
5483
5484 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
5485
5486         PR bootstrap/88721
5487         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
5488         to -1 on entry.
5489
5490         PR debug/88723
5491         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
5492         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
5493
5494 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5495
5496         PR target/88717
5497         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
5498         ix86_avx_u128_mode_entry.
5499
5500 2019-01-08  Martin Liska  <mliska@suse.cz>
5501
5502         PR tree-optimization/88753
5503         * tree-switch-conversion.c (switch_conversion::build_one_array):
5504         Come up with local variable constructor.  Convert first to
5505         type of constructor values.
5506
5507 2019-01-08  Richard Biener  <rguenther@suse.de>
5508
5509         PR tree-optimization/86554
5510         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
5511         rpo_avail): Move earlier.
5512         (visit_nary_op): When value-numbering to expressions
5513         with different overflow behavior make sure there's an
5514         available expression on the path.
5515
5516 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
5517
5518         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
5519         aarch64_parse_branch_protection,
5520         struct aarch64_branch_protect_type,
5521         aarch64_handle_no_branch_protection,
5522         aarch64_handle_standard_branch_protection,
5523         aarch64_validate_mbranch_protection,
5524         aarch64_handle_pac_ret_protection,
5525         aarch64_handle_attr_branch_protection,
5526         accepted_branch_protection_string,
5527         aarch64_pac_ret_subtypes,
5528         aarch64_branch_protect_types,
5529         aarch64_handle_pac_ret_leaf): Define.
5530         (aarch64_override_options_after_change_1, aarch64_override_options):
5531         Add check for accepted_branch_protection_string.
5532         (aarch64_option_save): Save accepted_branch_protection_string.
5533         (aarch64_option_restore): Save accepted_branch_protection_string.
5534         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
5535         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
5536         msign-return-address.
5537         * doc/invoke.texi: Add mbranch-protection.
5538
5539 2019-01-08  Alan Modra  <amodra@gmail.com>
5540
5541         PR target/88614
5542         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
5543         Delete "unknownp" parameter.  Adjust callers.  Handle
5544         CONST_INT, PLUS, MINUS, and MULT.
5545         (attr_value_aligned): Renamed from or_attr_value.
5546         (min_attr_value): Return INT_MIN for unhandled rtl case..
5547         (min_fn): ..and translate to INT_MAX here.
5548         (write_length_unit_log): Modify to cope without "unknown".
5549         (write_attr_value): Handle IF_THEN_ELSE.
5550
5551 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5552
5553         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
5554         optimization for masked stores.
5555
5556 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5557
5558         PR middle-end/88567
5559         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
5560         output vector directly to duplicate_and_interleave instead of
5561         going through a temporary.  Postpone insertion of ctor_seq to
5562         the end of the loop.
5563
5564 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
5565
5566         PR target/86891
5567         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
5568         unsigned_p.  Handle signed and unsigned overflow correction as
5569         required.
5570         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
5571         prototype.
5572         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
5573         for operand 2.
5574         (add<mode>3_compareV_imm): Make this callable for expanding.
5575         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
5576         aarch64_plus_operand for operand 2.
5577         (subv<GPI:mode>_insn): New insn pattern.
5578         (subv<GPI:mode>_imm): Likewise.
5579         (negv<GPI:mode>3): New expand pattern.
5580         (negv<GPI:mode>_insn): New insn pattern.
5581         (negv<GPI:mode>_cmp_only): Likewise.
5582         (cmpv<GPI:mode>_insn): Likewise.
5583         (subvti4): Use register_operand for operand 1.  Update call to
5584         aarch64_expand_subvti.
5585         (usubvti4): Likewise.
5586         (negvti3): New expand pattern.
5587         (negdi_carryout): New insn pattern.
5588         (negvdi_carryinV): New insn pattern.
5589         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
5590         version the named version.
5591         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
5592         operands.
5593         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
5594         patterns.
5595         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
5596         patterns.
5597         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
5598         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
5599         (sub<mode>3_carryinCV): Delete.
5600         (sub<GPI:mode>3_carryinV): New expand pattern.
5601         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
5602
5603 2019-01-07  Richard Biener  <rguenther@suse.de>
5604
5605         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
5606         of tree_operand_hash.
5607
5608 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5609
5610         PR tree-optimization/88598
5611         * tree.h (single_nonzero_element): Declare.
5612         * tree.c (single_nonzero_element): New function.
5613         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
5614         if I is the only nonzero element of CST.
5615
5616 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5617
5618         PR tree-optimization/88598
5619         * tree.h (initializer_each_zero_or_onep): Declare.
5620         * tree.c (initializer_each_zero_or_onep): New function.
5621         (signed_or_unsigned_type_for): Handle float types too.
5622         (unsigned_type_for, signed_type_for): Update comments accordingly.
5623         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
5624         x & { 0 or -1, 0 or -1, ... }.
5625
5626 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
5627
5628         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
5629         with x86_64-pc-linux-gnu.
5630
5631 2019-01-07  Tom de Vries  <tdevries@suse.de>
5632
5633         PR target/85486
5634         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
5635         function.
5636         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
5637         routines.
5638
5639 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
5640
5641         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
5642         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
5643         TARGET_AVX512F as condition.
5644
5645         PR debug/88723
5646         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
5647         const_not_ok_for_debug_p target hook.
5648         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
5649         on UNSPEC and subexpressions thereof if all subexpressions of the
5650         UNSPEC are CONSTANT_P.
5651
5652         PR tree-optimization/88676
5653         * tree-ssa-phiopt.c (two_value_replacement): New function.
5654         (tree_ssa_phiopt_worker): Call it.
5655
5656         PR sanitizer/88619
5657         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
5658         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
5659
5660         PR c++/85052
5661         * tree-vect-generic.c: Include insn-config.h and recog.h.
5662         (expand_vector_piecewise): Add defaulted ret_type argument,
5663         if non-NULL, use that in preference to type for the result type.
5664         (expand_vector_parallel): Formatting fix.
5665         (do_vec_conversion, do_vec_narrowing_conversion,
5666         expand_vector_conversion): New functions.
5667         (expand_vector_operations_1): Call expand_vector_conversion
5668         for VEC_CONVERT ifn calls.
5669         * internal-fn.def (VEC_CONVERT): New internal function.
5670         * internal-fn.c (expand_VEC_CONVERT): New function.
5671         * fold-const-call.c (fold_const_vec_convert): New function.
5672         (fold_const_call): Use it for CFN_VEC_CONVERT.
5673         * doc/extend.texi (__builtin_convertvector): Document.
5674
5675 2019-01-07  Tom de Vries  <tdevries@suse.de>
5676
5677         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
5678         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
5679         vector_red_partition, vector_red_sym): New global variables.
5680         (nvptx_option_override): Initialize vector_red_sym.
5681         (nvptx_declare_function_name): Restore red_partition register.
5682         (nvptx_file_end): Emit code to declare the vector reduction variables.
5683         (nvptx_output_red_partition): New function.
5684         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
5685         large vector reductions.
5686         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
5687         (nvptx_init_builtins): Add VECTOR_ADDR.
5688         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
5689         Handle nvptx_expand_shared_addr.
5690         (nvptx_get_shared_red_addr): Add vector argument and handle large
5691         vectors.
5692         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
5693         large vectors.
5694         (nvptx_goacc_reduction_init): Likewise.
5695         (nvptx_goacc_reduction_fini): Likewise.
5696         (nvptx_goacc_reduction_teardown): Likewise.
5697         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
5698         init,fini,teardown}.
5699         (nvptx_init_axis_predicate): Initialize vector_red_partition.
5700         (nvptx_set_current_function): Init vector_red_partition.
5701         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
5702         (nvptx_red_partition): New insn.
5703         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
5704
5705 2019-01-07  Tom de Vries  <tdevries@suse.de>
5706
5707         PR target/85381
5708         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
5709         empty loops.
5710
5711 2019-01-07  Tom de Vries  <tdevries@suse.de>
5712
5713         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
5714         (nvptx_option_override): Init oacc_bcast_partition.
5715         (nvptx_init_oacc_workers): New function.
5716         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
5717         (nvptx_needs_shared_bcast): New function.
5718         (nvptx_find_par): Generalize to enable vectors to use shared-memory
5719         to propagate state.
5720         (nvptx_shared_propagate): Initialize vector bcast partition and
5721         synchronization state.
5722         (nvptx_single):  Generalize to enable vectors to use shared-memory
5723         to propagate state.
5724         (nvptx_process_pars): Likewise.
5725         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
5726         * config/nvptx/nvptx.h (struct machine_function): Add
5727         bcast_partition and sync_bar members.
5728
5729 2019-01-07  Tom de Vries  <tdevries@suse.de>
5730
5731         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
5732         (nvptx_apply_dim_limits): New function.
5733         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
5734         PTX_WARP_SIZE.
5735
5736 2019-01-07  Tom de Vries  <tdevries@suse.de>
5737
5738         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
5739         as late as possible.
5740
5741 2019-01-07  Tom de Vries  <tdevries@suse.de>
5742
5743         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
5744         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
5745         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
5746         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
5747         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
5748
5749 2019-01-07  Tom de Vries  <tdevries@suse.de>
5750
5751         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
5752
5753 2019-01-07  Tom de Vries  <tdevries@suse.de>
5754
5755         * omp-offload.c (oacc_get_min_dim): New function.
5756         * omp-offload.h (oacc_get_min_dim): Declare.
5757
5758 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
5759
5760         PR target/88521
5761         * config/i386/i386.c (function_value_ms_64): Return small sturct in
5762         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
5763
5764 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5765
5766         PR tree-opt/86020
5767         Revert:
5768         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
5769
5770         * ipa-inline.c (edge_badness): Use inlined_time instead of
5771         inline_summaries->get.
5772
5773 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5774
5775         * opts.c (enable_fdo_optimizations): Enable
5776         version-loops-for-strides, loop-interchange, unrol-and-jam
5777         and tree-loop-distribution.
5778         * invoke.texi: Document newly enabled options.
5779
5780 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5781
5782         * doc/invoke.texi (max-inline-insns-small): New parameters.
5783         * ipa-inline.c (want_early_inline_function_p): simplify.
5784         (want_inline_small_function_p): Fix pasto from previous patch;
5785         use max-inline-insns-small bound.
5786         * params.def (max-inline-insns-small): New param.
5787         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
5788         variables correctly.
5789
5790 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5791
5792         * doc/invoke.texi: Document max-inline-insns-size,
5793         uninlined-function-insns, uninlined-function-time,
5794         uninlined-thunk-insns and uninlined-thunk-time.
5795         * params.def: Add max-inline-insns-size,
5796         uninlined-function-insns, uninlined-function-time,
5797         uninlined-thunk-insns and uninlined-thunk-time.
5798         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
5799         new parameters.
5800         * ipa-inline.c (can_inline_edge_by_limits_p,
5801         want_inline_small_function_p): Use new parameters.
5802
5803 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5804
5805         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
5806
5807 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
5808
5809         PR middle-end/82564
5810         PR target/88620
5811         * expr.c (expand_assignment): For calls returning VLA structures
5812         if to_rtx is not a MEM, force it into a stack temporary.
5813
5814         PR debug/88635
5815         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
5816         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
5817         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
5818         subexpressions of both operands.
5819         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
5820         subrtxes are CONSTANT_P.
5821         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
5822         2018-11-09 changes.
5823
5824 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
5825
5826         * params.def (hot-bb-count-ws-permille): Set to 990.
5827
5828 2019-01-04  Martin Sebor  <msebor@redhat.com>
5829
5830         PR c/88546
5831         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
5832         leaf.
5833
5834 2019-01-04  Martin Sebor  <msebor@redhat.com>
5835
5836         PR c/88363
5837         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
5838
5839 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
5840
5841         * gdbinit.in: Turn off pagination for the skip commands, restore
5842         it to previous state afterwards.
5843
5844 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
5845
5846         PR target/88594
5847         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
5848         of GET_MODE (opN) as modes of the libcall arguments.
5849
5850 2019-01-04  Jan Beulich  <jbeulich@suse.com>
5851
5852         * config/i386/sse.md
5853         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
5854         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
5855         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
5856         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
5857         avx512f_vmcmp<mode>3<round_saeonly_name>,
5858         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
5859         avx512f_maskcmp<mode>3,
5860         <avx512>_cvt<ssemodesuffix>2mask<mode>,
5861         <avx512>_cvt<ssemodesuffix>2mask<mode>,
5862         *<avx512>_cvtmask2<ssemodesuffix><mode>,
5863         *<avx512>_cvtmask2<ssemodesuffix><mode>,
5864         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
5865         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
5866         <avx512>_gt<mode>3<mask_scalar_merge_name>,
5867         <avx512>_gt<mode>3<mask_scalar_merge_name>,
5868         <avx512>_testm<mode>3<mask_scalar_merge_name>,
5869         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
5870         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
5871         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
5872         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
5873         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
5874         avx512cd_maskb_vec_dup<mode>,
5875         avx512cd_maskw_vec_dup<mode>,
5876         avx512dq_fpclass<mode><mask_scalar_merge_name>,
5877         avx512dq_vmfpclass<mode>,
5878         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
5879         instead of =Yk.
5880
5881 2019-01-03  Martin Sebor  <msebor@redhat.com>
5882
5883         PR tree-optimization/88659
5884         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
5885
5886 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
5887
5888         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
5889         unaligned vsx and avoid lxvd2x/stxvd2x.
5890         (gen_lvx_v4si_move): New function.
5891
5892 2019-01-03  Tom de Vries  <tdevries@suse.de>
5893
5894         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
5895         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
5896         function.
5897         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
5898
5899 2019-01-03  Tom de Vries  <tdevries@suse.de>
5900
5901         * config/nvptx/nvptx.c (struct offload_attrs): New.
5902         (populate_offload_attrs): New function.  Factor mask extraction out of
5903         nvptx_reorg.  Add extraction of dimensions.
5904         (nvptx_reorg): Use populate_offload_attrs.
5905
5906 2019-01-03  Tom de Vries  <tdevries@suse.de>
5907
5908         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
5909         cases for oacc_min_dims_p and routine_p.  Add asserts for
5910         oacc_default_dims_p and offload_region_p.
5911
5912 2019-01-03  Tom de Vries  <tdevries@suse.de>
5913
5914         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
5915         factored out of ...
5916         (nvptx_goacc_validate_dims): ... here.
5917
5918 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
5919
5920         PR tree-optimization/85574
5921         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
5922         structure.
5923         (struct ssa_equip_hash_traits): Declare.
5924         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
5925
5926 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
5927
5928         PR debug/88644
5929         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
5930         change it to qualified_type.
5931
5932 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
5933
5934         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
5935         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
5936
5937 2019-01-02  Martin Sebor  <msebor@redhat.com>
5938             Jeff Law  <law@redhat.com>
5939
5940         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
5941         (get_range_strlen_tree): Update appropriately.
5942         (get_range_strlen)
5943         * gimple-fold.h (get_range_strlen): Drop unused last argument.
5944
5945         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
5946         rather than set_range_info.
5947         * tree-ssa-strlen.c (set_strlen_range): Extracted from
5948         maybe_set_strlen_range.  Handle potentially boundary crossing
5949         cases more conservatively.
5950         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
5951         Call set_strlen_range.
5952         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
5953
5954         PR middle-end/88663
5955         * gimple-fold.c (get_range_strlen): Update prototype to no longer
5956         need the flexp argument.
5957         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
5958         from calls to get_range_strlen.  Update comments.  Just update
5959         VAL for an unterminated const char array and let the reset of the
5960         code handle it normally.  No longer try to set *flexp.  Adjust
5961         return value.
5962         (get_range_strlen): Update for the new get_range_strlen API.
5963         (get_maxval_strlen): Similarly.
5964         (gimple_fold_builtin_strlen): Handle update meaning of return value
5965         from get_range_strlen.
5966         * gimple-ssa-sprintf.c (get_string_length): Update for the new
5967         get_range_strlen API.
5968
5969 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
5970
5971         PR lto/88130
5972         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
5973         false at WPA time when body was removed.
5974
5975 2019-01-02  Martin Liska  <mliska@suse.cz>
5976
5977         PR tree-optimization/88650
5978         * predict.c (set_even_probabilities): Calculate probability
5979         remainer only when really used.
5980
5981 2019-01-02  Richard Biener  <rguenther@suse.de>
5982
5983         PR middle-end/88651
5984         * tree-data-ref.c (analyze_subscript_affine_affine): Use
5985         widest_ints when mangling max_stmt_execution results.
5986
5987 2019-01-02  Richard Biener  <rguenther@suse.de>
5988
5989         PR tree-optimization/88621
5990         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
5991         bitfields when canoncalizing.
5992
5993 2019-01-02  Richard Biener  <rguenther@suse.de>
5994
5995         PR target/87545
5996         * config/i386/x86-tune-costs.h (intel_cost): Adjust
5997         cost of cheap SSE instruction.
5998
5999 2019-01-02  Richard Biener  <rguenther@suse.de>
6000
6001         PR ipa/85574
6002         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
6003         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
6004         function.
6005         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
6006         set after UIDs before splitting them.
6007
6008 2019-01-01  Martin Sebor  <msebor@redhat.com>
6009             Jeff Law  <law@redhat.com>
6010
6011         * gimple-fold.c (get_range_strlen_tree): Record if the computed
6012         length is optimistic.  If it is, then arrange to compute the
6013         conservative length as well.
6014
6015         * gimple-fold.h (get_range_strlen): Update prototype.
6016         * builtins.c (check_access): Update call to get_range_strlen to use
6017         c_strlen_data pointer.   Change various variable accesses to instead
6018         pull data from the c_strlen_data structure.
6019         (check_strncat_sizes, expand_builtin_strncat): Likewise.
6020         * calls.c (maybe_warn_nonstring_arg): Likewise.
6021         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
6022         minimum length if maximum lengh is unknown.
6023         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
6024         that used c_strlen, it's no longer needed.  Restructure slightly.
6025         (format_string): Set unlikely range appropriately.
6026         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
6027         formatting issues.
6028         (get_range_strlen):  Accept c_strlen_data pointer for external
6029         call sites as well.  Pass through to call to internal get_range_strlen.
6030         Adjust minlen, maxlen and maxbound as needed.
6031         (get_maxval_strlen): Update comments.
6032         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
6033         to use c_strlen_data pointer.  Change variable accesses to instead
6034         use c_strlen_data data members.
6035
6036         * gimple-fold.c (get_range_strlen): Update prototype.
6037         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
6038         local variables.  Use pdata to return information to caller.
6039         Update calls to get_range_strlen.  Update pdata->maxbound.
6040         (get_range_strlen -- static version): Similarly.
6041         (get_range_strlen -- extern version): Update for internal
6042         get_range_strlen API change.  Convert to external data format.
6043         (get_maxval_strlen): Similarly.
6044
6045 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
6046
6047         * coverage.c (get_coverage_counts): Use current_function_decl.
6048         * profile.c (read_thunk_profile): New function.
6049         (branch_prob): Add THUNK parameter.
6050         * tree-profile.c (tree_profiling): Handle thunks.
6051         * value-prof.c (init_node_map): Handle thunks.
6052         * value-prof.h (branch_prob): Upate prototype.
6053         (read_thunk_profile): Declare.
6054
6055 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
6056
6057         Update copyright years.
6058
6059         * gcc.c (process_command): Update copyright notice dates.
6060         * gcov-dump.c (print_version): Ditto.
6061         * gcov.c (print_version): Ditto.
6062         * gcov-tool.c (print_version): Ditto.
6063         * gengtype.c (create_file): Ditto.
6064         * doc/cpp.texi: Bump @copying's copyright year.
6065         * doc/cppinternals.texi: Ditto.
6066         * doc/gcc.texi: Ditto.
6067         * doc/gccint.texi: Ditto.
6068         * doc/gcov.texi: Ditto.
6069         * doc/install.texi: Ditto.
6070         * doc/invoke.texi: Ditto.
6071 \f
6072 Copyright (C) 2019 Free Software Foundation, Inc.
6073
6074 Copying and distribution of this file, with or without modification,
6075 are permitted in any medium without royalty provided the copyright
6076 notice and this notice are preserved.