gcc/ChangeLog

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