gcc/ChangeLog

   1 2019-04-04  Martin Sebor  <msebor@redhat.com>
   2
   3         PR middle-end/89957
   4         PR middle-end/89911
   5         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
   6         have the same precision since the function crashes otherwise.
   7         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
   8         has non-zero arguments.
   9
  10 2019-04-04  Martin Sebor  <msebor@redhat.com>
  11
  12         PR middle-end/89934
  13         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
  14         out if the number of arguments is less than expected.
  15
  16 2019-04-04  Jeff Law  <law@redhat.com>
  17
  18         PR rtl-optimization/89399
  19         * ree.c (combine_set_extension): Use single_set rather than
  20         digging into PATTERN for items on the candidate list.
  21         (combine_reaching_defs): Likewise.
  22
  23 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
  24
  25         PR rtl-optimization/46590
  26         * loop-invariant.c (find_defs): Move df_remove_problem and
  27         df_process_deferred_rescans to move_invariants.
  28         Move df_live_add_problem and df_live_set_all_dirty calls
  29         to move_invariants.
  30         (move_invariants): Likewise.
  31         (move_loop_invariants): Likewise, making the df_live calls
  32         conditional on -O.  Remove the problem again if we added it
  33         locally.
  34
  35 2019-04-03  qing zhao  <qing.zhao@oracle.com>
  36
  37         PR tree-optimization/89730
  38         * ipa-inline.c (can_inline_edge_p): Delete the checking for
  39         -flive-patching=inline-only-static.
  40         (can_inline_edge_by_limits_p): Add the checking for
  41         -flive-patching=inline-only-static and grant always_inline
  42         even when -flive-patching=inline-only-static is specified.
  43
  44 2019-04-03  Jeff Law  <law@redhat.com>
  45
  46         PR rtl-optimization/81025
  47         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
  48
  49 2019-04-03  Richard Biener  <rguenther@suse.de>
  50
  51         PR tree-optimization/84101
  52         * tree-vect-stmts.c: Include explow.h for hard_function_value,
  53         regs.h for hard_regno_nregs.
  54         (cfun_returns): New helper.
  55         (vect_model_store_cost): When vectorizing a store to a decl
  56         we return and the function ABI returns in a multi-reg location
  57         account for the possible spilling that will happen.
  58
  59 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
  60
  61         * config/s390/s390.c (s390_legitimate_address_p): Reject long
  62         displacement addresses for vector mode operands.
  63
  64 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
  65
  66         * config/arc/arc.c (GMASK_LEN): Define.
  67         (arc_restore_callee_saves): Restore first blink when
  68         !optimize_size.
  69
  70 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
  71
  72         * doc/extend.texi: Add deprecated comment on sign-return-address
  73         function attribute and add mbranch-protection.
  74         * doc/invoke.texi: Add bti to the options for mbranch-protection.
  75
  76 2019-04-03  Richard Biener  <rguenther@suse.de>
  77
  78         PR lto/89896
  79         * lto-wrapper.c (run_gcc): Avoid implicit rules making
  80         the all target phony.
  81
  82 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
  83
  84         PR target/89902
  85         PR target/89903
  86         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
  87         Return false for variable DImode shifts.
  88         (dimode_scalar_chain::compute_convert_gain): Do not handle
  89         register count operand in variable DImode shifts.
  90         (dimode_scalar_chain::make_vector_copies): Remove support to copy
  91         count argument of a variable shift instruction to a vector register.
  92         (dimode_scalar_chain::convert_reg): Remove support to convert
  93         count argument of a variable shift instruction.
  94
  95 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
  96
  97         PR rtl-optimization/84206
  98         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
  99         iterating over loop headers.
 100
 101 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
 102
 103         PR rtl-optimization/85876
 104         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
 105         beyond the original fence.
 106
 107 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
 108
 109         * config.gcc: Mark spu* targets as deprecated/obsolete.
 110
 111 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 112
 113         * config/s390/s390-builtin-types.def: New builtin function type
 114         definitions. Remove unused types.
 115         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
 116         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
 117         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
 118         overloaded builtins.
 119         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
 120         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
 121         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
 122         (vec_double, vec_signed, vec_unsigned): Define to use the new
 123         overloaded builtins.
 124         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
 125         Remove expanders.
 126
 127 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 128
 129         * config/s390/s390-builtin-types.def: New builtin function type
 130         definitions.
 131         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
 132         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
 133         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
 134         (s390_vstrszh, s390_vstrszf): New low-level builtins.
 135         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
 136         constant definitions.
 137         * config/s390/vecintrin.h (vec_search_string_cc)
 138         (vec_search_string_until_zero_cc): New builtin name definitions.
 139         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
 140         expanders.
 141         ("vec_vstrs<mode>"): New insn definition.
 142
 143 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 144
 145         * config/s390/s390-builtin-types.def: Add new builtin function
 146         types.
 147         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
 148         New overloaded builtins.
 149         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
 150         s390_vsrd.
 151         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
 152         (UNSPEC_VEC_SLDBYTE): ... this.
 153         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
 154         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
 155         definitions.
 156         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
 157         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
 158         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
 159
 160 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 161
 162         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
 163         New insn definition.
 164         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
 165         * config/s390/vector.md (V_HW_HSD): ... here.
 166
 167 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 168
 169         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
 170         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
 171         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
 172         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
 173         New insn definitions.
 174
 175 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 176
 177         * config/s390/s390-builtin-types.def: Add new builtin function type.
 178         * config/s390/s390-builtins.def: Add overloaded builtin
 179         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
 180         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
 181         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
 182         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
 183         ("eltswap<mode>"): New expander.
 184         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
 185         insn definitions.
 186
 187 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 188
 189         * config/s390/s390-builtin-types.def: Add new builtin function types.
 190         * config/s390/s390-builtins.def: Add overloaded builtin
 191         s390_vec_revb. Add low-level builtins for vlbr and vstbr
 192         instructions.
 193         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
 194         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
 195         ("bswap<mode>"): New expander.
 196         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
 197
 198 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 199
 200         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
 201         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
 202         vector builtin version number in __VEC__.
 203
 204 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 205
 206         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
 207         iterators.
 208         (SFSI): New mode attribute.
 209         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
 210         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
 211         rename to ...
 212         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
 213         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
 214         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
 215         ("floatsi<mode>2"): Add wcefb instruction.
 216
 217 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 218
 219         * config/s390/s390.md ("xde"): Extend mode attribute to vector
 220         types.
 221         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
 222         mode iterators.
 223         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
 224         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
 225         support 32 bit fp-int conversions. Rename to ...
 226         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
 227         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
 228         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
 229         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
 230         ... to these.
 231
 232 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 233
 234         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
 235         if-then-else constructs if we can use the select instruction.
 236         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
 237
 238 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 239
 240         * config/s390/s390.md ("*popcountdi_arch13_cc")
 241         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
 242         definition.
 243         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
 244         Append _z196 to make it ...
 245         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
 246         ("popcounthi2_z196"): ... this.
 247         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
 248         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
 249
 250 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 251
 252         * config/s390/s390.c (s390_canonicalize_comparison): Convert
 253         certain compares for arch13 in order to make use of the condition
 254         code result produced by the new instructions.
 255         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
 256         nxrk, and nxgrk instruction patterns.
 257         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
 258         (inv_no): Add new code iterator together with some attributes.
 259         ("*andc_split_<mode>"): Disable splitter for arch13.
 260         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
 261         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
 262         ("*<ANDOR:bitops_name>c<GPR:mode>")
 263         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
 264         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
 265         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
 266         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
 267
 268 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 269
 270         * common/config/s390/s390-common.c (processor_flags_table): New
 271         entry for arch13.
 272         * config.gcc: Support arch13 with the --with-arch= configure flag.
 273         * config/s390/driver-native.c (s390_host_detect_local_cpu):
 274         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
 275         * config/s390/s390.c (s390_get_sched_attrmask)
 276         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
 277         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
 278         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
 279         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
 280         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
 281         definitions.
 282         * config/s390/s390.opt: Support arch13 as processor type in
 283         command line options.
 284
 285 2019-04-02  Martin Liska  <mliska@suse.cz>
 286
 287         PR translation/89912
 288         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
 289         Fix param description of graphite-max-arrays-per-scop.
 290
 291 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
 292
 293         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
 294         (ASAN_CC1_SPEC): Use it in 64-bit mode.
 295         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
 296
 297 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
 298
 299         PR rtl-optimization/85412
 300         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
 301         sel_sched_region_1, not after.
 302
 303 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
 304
 305         PR rtl-optimization/86928
 306         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
 307         compute_live if necessary.
 308         (sel_redirect_edge_and_branch): Likewise.
 309
 310 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
 311
 312         PR rtl-optimization/89865
 313         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
 314         register if it is a part of small class.
 315
 316 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
 317
 318         PR rtl-optimization/87273
 319         * sel-sched-ir.c (merge_fences): Remove assert.
 320
 321 2019-04-01  Richard Biener  <rguenther@suse.de>
 322
 323         PR tree-optimization/46590
 324         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
 325         (dom_walker::m_reachability): Add in place of...
 326         (dom_walker::m_skip_unreachable_blocks): ...this.
 327         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
 328         Move complex initialization ...
 329         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
 330         lazily and initialize edge flags on each invocation.
 331         (dom_walker::bb_reachable): Use m_reachability.
 332
 333 2019-04-01  Martin Liska  <mliska@suse.cz>
 334
 335         PR driver/89861
 336         * opt-suggestions.c (option_proposer::build_option_suggestions):
 337         Add variant without any argument in order to provide better
 338         hints.
 339
 340 2019-04-01  Richard Biener  <rguenther@suse.de>
 341
 342         PR c/71598
 343         * gimple.c: Include langhooks.h.
 344         (gimple_get_alias_set): Treat enumeral types as the underlying
 345         integer type.
 346
 347 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
 348             Eric Botcazou  <ebotcazou@adacore.com>
 349
 350         PR rtl-optimization/89862
 351         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
 352         that operates on the full registers for WORD_REGISTER_OPERATIONS
 353         architectures.
 354
 355 2019-03-29  Jim Wilson  <jimw@sifive.com>
 356
 357         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
 358         Clear MASK_RVC and then set if C subset supported.
 359
 360 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
 361
 362         PR c/89872
 363         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
 364         non-addressable complit into its initializer if it is volatile.
 365
 366 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
 367
 368         * opts-common.c (integral_argument): Set errno properly in one case.
 369
 370 2019-03-29  Martin Liska  <mliska@suse.cz>
 371
 372         * doc/invoke.texi: Remove -Wchkp from documentation.
 373
 374 2019-03-29  Martin Liska  <mliska@suse.cz>
 375
 376         * dbgcnt.c (print_limit_reach): New function.
 377         (dbg_cnt): Use it.
 378
 379 2019-03-29  Martin Liska  <mliska@suse.cz>
 380
 381         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
 382         (dbg_cnt_process_opt): Parse first tokens aas
 383         dbg_cnt_process_single_pair is also using strtok.
 384
 385 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
 386
 387         PR rtl-optimization/87485
 388         * function.c (expand_function_end): Move stack_protect_epilogue
 389         before loading of return value into hard register(s).
 390
 391 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
 392
 393         PR middle-end/89621
 394         * tree-inline.h (struct copy_body_data): Add
 395         dont_remap_vla_if_no_change flag.
 396         * tree-inline.c (remap_type_3, remap_type_2): New functions.
 397         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
 398         and remap_type_2 returns false.
 399         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
 400         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
 401         only from where it is copied to nested contexts.
 402
 403 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
 404
 405         PR target/89865
 406         * config/i386/i386.md (RMW operation with LEA peephole):
 407         Use LEAMODE mode attribute instead of SWI mode iterator for
 408         LEA pattern.
 409
 410 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
 411
 412         PR target/89848
 413         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
 414         Also process XEXP (src, 0) of a shift insn.
 415
 416 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
 417
 418         PR middle-end/89725
 419         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
 420         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
 421
 422 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
 423
 424         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
 425         test.
 426         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
 427         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
 428         immediately after first one with df_analyze in between, but rather
 429         process all bbs, queueing ones that need second pass in a worklist,
 430         df_analyze, process queued debug insn changes and if second pass is
 431         needed, process bbs from worklist, df_analyze, process queued debug
 432         insns again.
 433
 434         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
 435         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
 436         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
 437
 438 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
 439
 440         PR c/79022
 441         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
 442         definition.
 443
 444 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
 445
 446         PR target/85667
 447         * config/i386/i386.c (ix86_function_value_1): Call the newly added
 448         function for 32-bit MS_ABI.
 449         (function_value_ms_32): New function.
 450
 451 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
 452
 453         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
 454         (movdi): Call gen_movdi_symbol_save_scc.
 455         (gen_movdi_symbol_save_scc): New insn and split.
 456
 457 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
 458
 459         PR rtl-optimization/89313
 460         * function.c (matching_constraint_num): New static function.
 461         (match_asm_constraints_1): Use it.  Fixup white space and comment.
 462         Don't replace inputs with non-matching constraints which conflict
 463         with early clobber outputs.
 464
 465 2019-03-27  Jeff Law  <law@redhat.com>
 466
 467
 468         PR rtl-optimization/87761
 469         PR rtl-optimization/89826
 470         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
 471         slightly later.
 472         (pass_cprop_hardreg::execute): Call df_analyze after adding the
 473         note problem to get REG_DEAD/REG_UNUSED notes updated.
 474
 475 2019-03-27  Richard Biener  <rguenther@suse.de>
 476
 477         PR tree-optimization/89463
 478         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
 479         queue edges to remove.
 480         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
 481         dead stmts.  Delay edge removal until PHIs are removed to
 482         make debug-stmt creation not confused by seemingly degenerate
 483         PHIs.
 484
 485 2019-03-27  Alan Modra  <amodra@gmail.com>
 486
 487         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
 488         throughout file.
 489         * config/rs6000/darwin.h: Likewise.
 490         * config/rs6000/rs6000.c: Likewise.
 491
 492 2019-03-27  Alan Modra  <amodra@gmail.com>
 493
 494         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
 495         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
 496
 497 2019-03-26  Andrew Waterman  <andrew@sifive.com>
 498             Jim Wilson  <jimw@sifive.com>
 499
 500         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
 501         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
 502         (generic_idivdi, generic_fmul_single, generic_fmul_double)
 503         (generic_fdiv, generic_fsqrt): Add check for generic tune.
 504         (generic_alu): Add auipc to type list.
 505         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
 506         (riscv_microarchitecture): Declare.
 507         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
 508         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
 509         field.
 510         (riscv_microarchitecture): New.
 511         (sifive_7_tune_info): New.
 512         (riscv_cpu_info_table): Add microarchitecture value for rocket and
 513         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
 514         entries.
 515         (riscv_store_data_bypass_p): New.
 516         (riscv_option_override): Set riscv_microarchitecture from
 517         cpu->microarchitecture.
 518         * config/riscv/riscv.md: Include sifive-7.md.
 519         (type): Add auipc.
 520         (tune): New.
 521         (auipc<mode>): Change type to auipc.
 522         (restore_stack_nonlocal): New.
 523         * config/riscv/sifive-7.md: New.
 524         * doc/invoke.texi (RISC-V Options): Update mtune docs.
 525
 526 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
 527
 528         PR target/89827
 529         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
 530         Also process XEXP (src, 0) of a shift insn.
 531
 532 2019-03-26  Richard Biener  <rguenther@suse.de>
 533
 534         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
 535         (copy_debug_stmt): Likewise.
 536         (expand_call_inline): Likewise.
 537         (copy_bb): Avoid redundant lookup & set of gimple_block.
 538         * gimple-low.c (lower_gimple_return): Likewise.
 539         (lower_builtin_setjmp): Likewise.
 540
 541 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
 542
 543         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
 544         is constant 0, turn into static const data member initialized to false.
 545         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
 546         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
 547
 548 2019-03-26  Jason Merrill  <jason@redhat.com>
 549             Jakub Jelinek  <jakub@redhat.com>
 550
 551         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
 552         method.
 553         (mem_alloc_description::release_object_overhead): Fix comment typos.
 554         * hash-table.h (hash_table::~hash_table): Call
 555         release_instance_overhead only if m_entries is non-NULL, otherwise
 556         call unregister_descriptor.
 557
 558 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
 559
 560         PR tree-optimization/81740
 561         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
 562         In case of outer loop vectorization, check for backward dependence
 563         at the inner loop if outer loop dependence is reversed.
 564
 565 2019-03-26  Alan Modra  <amodra@gmail.com>
 566
 567         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
 568         rs6000_vector_mem init.  Correct wI and wJ comment.
 569
 570 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
 571
 572         PR rtl-optimization/88347
 573         PR rtl-optimization/88423
 574         * sched-deps.c (sched_analyze_insn): Take into account that for
 575         tablejumps the barrier appears after a label and a jump_table_data.
 576
 577 2019-03-25  Martin Sebor  <msebor@redhat.com>
 578
 579         PR c/89812
 580         * c-common.c (check_user_alignment): Rename local.  Correct maximum
 581         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
 582         convert it to UHWI when it fits.
 583
 584 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
 585
 586         PR debug/86964
 587         * dwarf2out.c (premark_used_variables): New function.
 588         (prune_unused_types_walk): Do not mark not premarked external
 589         variables.
 590         (prune_unused_types): Call premark_used_variables.
 591
 592 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
 593
 594         PR rtl-optimization/89676
 595         * lra-constraints.c (curr_insn_transform): Do match reload for
 596         early clobbers when the match was successful only for different
 597         registers.
 598
 599 2019-03-25  Martin Sebor  <msebor@redhat.com>
 600
 601         * doc/extend.texi (Common Type Attributes): Document vector_size.
 602         (Common Variable Attributes): Mention size constraint.  Correct
 603         quoting and typos.
 604         (Vector Extensions): Use @dfn when defining bas type.  Clarify
 605         base type and size constraints.
 606
 607 2019-03-25  Richard Biener  <rguenther@suse.de>
 608
 609         PR tree-optimization/89789
 610         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
 611         changes from non-undefined back to undefined.
 612
 613 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
 614
 615         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
 616         heap string and a gc string, but since this variable is unknown to
 617         ggc the gc string might get reused and corrupted. Fixed by always
 618         using a heap string.
 619
 620 2019-03-25  Richard Biener  <rguenther@suse.de>
 621
 622         PR tree-optimization/89779
 623         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
 624         to remove IV defs, delay actual removal.
 625         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
 626         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
 627         very end, properly also reset loop control IV information.
 628
 629 2019-03-25  Richard Biener  <rguenther@suse.de>
 630
 631         PR tree-optimization/89802
 632         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
 633         move EH data to folded stmt.
 634
 635 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
 636
 637         * config/s390/s390-builtin-types.def: Remove few unused types and
 638         fix sort order for others.
 639
 640 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
 641
 642         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
 643         expected and found types with -mdebug during builtin matching.
 644
 645 2019-03-25  Richard Biener  <rguenther@suse.de>
 646
 647         PR middle-end/89790
 648         * fold-const.c (operand_equal_p): Revert last change with
 649         updated comment.
 650
 651 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
 652
 653         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
 654         notes for the result of the __tls_get_addr calls.
 655         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
 656
 657 2019-03-24  Jeff Law  <law@redhat.com>
 658
 659         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
 660
 661         PR rtl-optimization/87761
 662         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
 663         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
 664         as needed.
 665         (pass_cprop_hardreg::execute): Add df note problem and defer insn
 666         rescans.  Reprocess blocks as needed, calling df_analyze before
 667         reprocessing.  Always call df_analyze before fixing up debug bind
 668         insns.
 669
 670 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
 671
 672         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
 673         big endian.
 674
 675 2019-03-22  Andrew Pinski  <apinski@marvell.com>
 676
 677         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
 678         attrribute for uxtw.
 679
 680 2019-03-26  Jeff Law  <law@redhat.com>
 681
 682         PR rtl-optimization/87761
 683         * config/mips/mips-protos.h (mips_split_move): Add new argument.
 684         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
 685         (mips_split_move): Accept new INSN argument.  Try to forward SRC
 686         into the next instruction.
 687         (mips_split_move_insn): Pass INSN through to mips_split_move.
 688
 689 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
 690
 691         PR rtl-optimization/89676
 692         * lra-constraints.c (curr_insn_transform): Do match reload for
 693         early clobbers even if the match was successful.
 694
 695 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
 696
 697         PR c++/87481
 698         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
 699
 700 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
 701
 702         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
 703
 704 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
 705
 706         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
 707         <avx512>_fmsub_<mode>_mask3<round_name>,
 708         <avx512>_fnmadd_<mode>_mask3<round_name>,
 709         <avx512>_fnmsub_<mode>_mask3<round_name>,
 710         avx512f_vmfmadd_<mode>_mask3<round_name>,
 711         avx512f_vmfmsub_<mode>_mask3<round_name>,
 712         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
 713         instead of register_operand and %v instead of v for match_operand 1.
 714         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
 715         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
 716         <round_nimm_predicate> instead of register_operand and %v instead of v
 717         for match_operand 1.
 718
 719         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
 720         <avx512>_fmadd_<mode>_mask3<round_name>,
 721         <avx512>_fmsub_<mode>_mask<round_name>,
 722         <avx512>_fmsub_<mode>_mask3<round_name>,
 723         <avx512>_fnmadd_<mode>_mask<round_name>,
 724         <avx512>_fnmadd_<mode>_mask3<round_name>,
 725         <avx512>_fnmsub_<mode>_mask<round_name>,
 726         <avx512>_fnmsub_<mode>_mask3<round_name>,
 727         <avx512>_fmaddsub_<mode>_mask<round_name>,
 728         <avx512>_fmaddsub_<mode>_mask3<round_name>,
 729         <avx512>_fmsubadd_<mode>_mask<round_name>,
 730         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
 731         <round_nimm_predicate> instead of nonimmediate_operand.
 732         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
 733         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
 734         Use register_operand instead of <round_nimm_predicate> for the
 735         operand that needs to match output.
 736         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
 737         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
 738         Likewise.  Formatting fixes.
 739
 740         PR target/89784
 741         * config/i386/i386.c (enum ix86_builtins): Remove
 742         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
 743         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
 744         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
 745         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
 746         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
 747         __builtin_ia32_vfmsubss3_mask3): New builtins.
 748         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
 749         avx512f_vmfmadd_<mode>_mask3<round_name>,
 750         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
 751         *avx512f_vmfmsub_<mode>_mask<round_name>,
 752         avx512f_vmfmsub_<mode>_mask3<round_name>,
 753         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
 754         *avx512f_vmfnmadd_<mode>_mask<round_name>,
 755         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
 756         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
 757         *avx512f_vmfnmsub_<mode>_mask<round_name>,
 758         avx512f_vmfnmsub_<mode>_mask3<round_name>,
 759         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
 760         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
 761         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
 762         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
 763         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
 764         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
 765         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
 766         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
 767         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
 768         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
 769         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
 770         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
 771         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
 772         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
 773         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
 774         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
 775         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
 776         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
 777         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
 778         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
 779         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
 780         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
 781
 782 2019-03-21  Martin Sebor  <msebor@redhat.com>
 783
 784         PR tree-optimization/89350
 785         * builtins.c (compute_objsize): Also ignore offsets whose upper
 786         bound is negative.
 787         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
 788         (builtin_memref::builtin_memref): Initialize new member.
 789         Allow EXPR to be null.
 790         (builtin_memref::extend_offset_range): Replace local with a member.
 791         Avoid assuming pointer offsets are unsigned.
 792         (builtin_memref::set_base_and_offset): Determine base object
 793         before computing offset range.
 794         (builtin_access::builtin_access): Handle memset.
 795         (builtin_access::generic_overlap): Replace local with a member.
 796         (builtin_access::strcat_overlap): Same.
 797         (builtin_access::overlap): Same.
 798         (maybe_diag_overlap): Same.
 799         (maybe_diag_access_bounds): Same.
 800         (wrestrict_dom_walker::check_call): Handle memset.
 801         (check_bounds_or_overlap): Same.
 802
 803 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
 804             Jakub Jelinek  <jakub@redhat.com>
 805
 806         PR lto/89692
 807         * tree.c (fld_type_variant, fld_incomplete_type_of,
 808         fld_process_array_type): Call fld->pset.add and don't call
 809         add_tree_to_fld_list if it returns true.
 810         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
 811         non-marked types from TYPE_NEXT_VARIANT list.
 812         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
 813
 814 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
 815
 816         * hash-table.h (hash_table): Add Lazy template parameter defaulted
 817         to false, if true, don't alloc_entries during construction, but defer
 818         it to the first method that needs m_entries allocated.
 819         (hash_table::hash_table, hash_table::~hash_table,
 820         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
 821         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
 822         hash_table::clear_slot, hash_table::traverse_noresize,
 823         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
 824         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
 825         false.
 826         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
 827         NO_INSERT instead of find_with_hash.
 828         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
 829         hash_set::m_table): Add Lazy to template params of hash_table.
 830         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
 831         * attribs.c (test_attribute_exclusions): Likewise.
 832         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
 833         hash_set.  Add tests for hash_set with Lazy = true.
 834
 835 2019-03-21  Richard Biener  <rguenther@suse.de>
 836
 837         PR tree-optimization/89779
 838         * tree.c (tree_nop_conversion): Consolidate and fix defensive
 839         checks with respect to released SSA names now having error_mark_node
 840         type.
 841         * fold-const.c (operand_equal_p): Likewise.
 842
 843 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
 844
 845         PR target/89775
 846         * config/s390/s390.c (global_not_special_regno_p): Move to make it
 847         available to ...
 848         (s390_optimize_register_info): Use global_not_special_regno_p to
 849         check for global regs.
 850
 851 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
 852
 853         PR target/89752
 854         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
 855         update this_alternative nor this_alternative_set.
 856
 857 2019-03-19  Jim Wilson  <jimw@sifive.com>
 858
 859         PR target/89411
 860         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
 861         align, size, offset.  Use them to handle a BLKmode reference.  Update
 862         comment.
 863         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
 864
 865 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 866
 867         PR rtl-optimization/89768
 868         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
 869         instead of GEN_INT.
 870         (unroll_loop_runtime_iterations): Likewise.
 871
 872 2019-03-19  Martin Sebor  <msebor@redhat.com>
 873
 874         PR tree-optimization/89644
 875         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
 876         rather than endptr as an indicator of nul-termination.
 877
 878         PR tree-optimization/89644
 879         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
 880         arrays in determining sequence sizes in strncpy and stpncpy.
 881
 882 2019-03-19  Martin Liska  <mliska@suse.cz>
 883
 884         PR middle-end/89737
 885         * predict.c (combine_predictions_for_bb): Empty likely_edges and
 886         unlikely_edges if there's an edge that belongs to both these sets.
 887
 888 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
 889
 890         PR target/89746
 891         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
 892         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
 893         go via a stack temporary.
 894
 895 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 896
 897         PR target/89378
 898         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
 899         instead of gen_rtx_SUBREG.
 900         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
 901
 902 2019-03-19  Richard Biener  <rguenther@suse.de>
 903
 904         PR debug/88389
 905         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
 906
 907 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
 908
 909         PR lto/87809
 910         PR lto/89335
 911         * tree.c (free_lang_data_in_decl): Do not free context of C++
 912         destrutors.
 913
 914 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 915
 916         PR target/89506
 917         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
 918         subs for the first alternative except when operands[3] is 1.
 919
 920         PR target/89752
 921         * gimplify.c (gimplify_asm_expr): For output argument with
 922         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
 923         diagnose error.
 924
 925 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
 926
 927         PR rtl-optimization/89753
 928         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
 929         explicit unrolling factor even more robust.
 930
 931 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 932
 933         PR target/89726
 934         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
 935         compensation use x2 += 1 instead of x2 -= -1 and when honoring
 936         signed zeros, do another copysign after the compensation.
 937
 938 2019-03-18  Martin Sebor  <msebor@redhat.com>
 939
 940         PR tree-optimization/89720
 941         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
 942         more conservatively, the same as anti-range.
 943
 944 2019-03-18  Richard Biener  <rguenther@suse.de>
 945
 946         PR middle-end/88945
 947         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
 948         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
 949         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
 950         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
 951
 952 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
 953
 954         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
 955         Extend queue to 1024 entries.
 956         Add "consumed" field.
 957         (gomp_print_output): Remove print_index parameter.
 958         Add final parameter.
 959         Change limit to unsigned.
 960         Use consumed field to implement circular buffer.
 961         Detect interrupted print in final pass.
 962         Flush output at the end.
 963         (run): Update gomp_print_output usage.
 964         (main): Initialize kernargs->output_data.consumed.
 965
 966 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
 967
 968         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
 969         calculation of the minimum number of scalar iterations for
 970         fully-predicated loops.
 971
 972 2019-03-18  Martin Jambor  <mjambor@suse.cz>
 973
 974         PR tree-optimization/89546
 975         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
 976         any propagation to its children took place.
 977
 978 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
 979
 980         PR target/89627
 981         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
 982         parameter, and make use of it.
 983         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
 984
 985 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 986
 987         * config/arc/arc.opt (mcode-density-frame): Get the inital value
 988         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
 989         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
 990         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
 991         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
 992         match what the ops is doing.
 993         (push_multi_fp_blink): Likewise.
 994         * config/arc/arc.c (arc_override_options): Enable enter/leave when
 995         compiling for size and elf target.
 996         (arc_save_callee_enter): Adjust note to match what enter/leave
 997         operation does.
 998
 999 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
1000
1001         * config/arc/arc.md (tst_movb): Fix constraint.
1002
1003 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
1004
1005         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
1006
1007 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
1008
1009         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
1010         * config/arc/arc.c (arc_conditional_register_usage): Remove all
1011         reg_alloc_order references.
1012         (size_alloc_order): Define.
1013         (arc_adjust_reg_alloc_order): New function.
1014         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
1015         order.
1016         (ADJUST_REG_ALLOC_ORDER): Define.
1017         (HONOR_REG_ALLOC_ORDER): Likewise.
1018
1019 2019-03-18  Richard Biener  <rguenther@suse.de>
1020
1021         PR target/87561
1022         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
1023         loads and stores a bit more.
1024
1025 2019-03-18  Richard Biener  <rguenther@suse.de>
1026
1027         PR target/87561
1028         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
1029         load pessimization to stores as well.
1030
1031 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
1032
1033         PR middle-end/86979
1034         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
1035         successor, use NULL as its av set.
1036
1037 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
1038
1039         PR rtl-optimization/89721
1040         * lra-constraints (invariant_p): Return false if side_effects_p holds.
1041
1042 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1043
1044         PR target/87532
1045         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1046         When handling vec_extract, use modular arithmetic to allow
1047         constant selectors greater than vector length.
1048         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
1049         V1TImode vectors to have constant selector values greater than 0.
1050         Use modular arithmetic to compute vector index.
1051         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
1052         index for in-memory vectors.  Correct code generation for
1053         in-register vectors.
1054         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
1055         compute index.
1056
1057 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
1058
1059         PR c++/88534
1060         PR c++/88537
1061         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
1062         VAR_DECL args.
1063
1064 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
1065
1066         PR c++/89709
1067         * tree.c (inchash::add_expr): Strip any location wrappers.
1068         * fold-const.c (operand_equal_p): Move stripping of location wrapper
1069         after hash verification.
1070
1071         PR debug/89704
1072         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
1073         SIGN_EXTEND and ZERO_EXTEND.
1074
1075 2019-03-14  Jason Merrill  <jason@redhat.com>
1076             Jakub Jelinek  <jakub@redhat.com>
1077
1078         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
1079         than if is_empty (*slot).
1080         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
1081         existing elt and for elt removal.
1082         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
1083         of already removed elt.
1084
1085 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
1086
1087         PR target/89650
1088         * config/i386/i386.c (remove_partial_avx_dependency): Handle
1089         REG_EH_REGION note.
1090
1091 2019-03-14  Martin Liska  <mliska@suse.cz>
1092
1093         PR other/89712
1094         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
1095
1096 2019-03-14  Richard Biener  <rguenther@suse.de>
1097
1098         PR target/89711
1099         * config/i386/i386.c (make_resolver_func): Properly set
1100         DECL_CONTEXT on the RESULT_DECL.
1101         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
1102
1103 2019-03-14  Richard Biener  <rguenther@suse.de>
1104
1105         * gimple-pretty-print.c: Include cfgloop.h.
1106         (dump_gimple_phi): Adjust.
1107         (dump_gimple_bb_header): Dump loop header for GIMPLE.
1108         (pp_cfg_jump): Adjust.
1109         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
1110         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
1111         (lower_phi_internal_fn): Remove.
1112         (verify_gimple_call): Remove IFN_PHI special-casing.
1113         (dump_function_to_file): Dump IL state.
1114         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
1115         done to deal with PHI nodes being present in non-SSA state.
1116
1117 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
1118
1119         PR ipa/89684
1120         * multiple_target.c (create_dispatcher_calls): Change
1121         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
1122         In the node->iterate_referring loop, push *ref rather than ref, call
1123         ref->remove_reference () and always pass 0 to iterate_referring.
1124
1125         PR rtl-optimization/89679
1126         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
1127         would contain a paradoxical SUBREG.
1128
1129 2019-03-14  Richard Biener  <rguenther@suse.de>
1130
1131         PR tree-optimization/89710
1132         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
1133         safe_dyn_cast.
1134
1135 2019-03-14  Martin Liska  <mliska@suse.cz>
1136
1137         * coverage.c (coverage_begin_function): Stream also
1138         end_column.
1139         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
1140         documentation about function declaration location.
1141         * gcov-dump.c (tag_function): Print whole range
1142         of function declaration.
1143         * gcov.c (struct function_info): Add end_column field.
1144         (function_info::function_info): Initialize it.
1145         (output_json_intermediate_file): Output {start,end}_column
1146         fields.
1147         (read_graph_file): Read end_column.
1148
1149 2019-03-14  Richard Biener  <rguenther@suse.de>
1150
1151         PR middle-end/89698
1152         * fold-const.c (operand_equal_p): For INDIRECT_REF check
1153         that the access types are similar.
1154
1155 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
1156
1157         PR tree-optimization/89703
1158         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
1159         aren't compatible also with builtin_decl_explicit.  Check pure
1160         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
1161         and BUILT_IN_STPNCPY{,_CHK}.
1162
1163 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
1164
1165         PR target/89523
1166         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
1167         addr32 prefix to VSIB address for X32.
1168         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
1169         "%M2" to opcode.
1170         (*avx512pf_gatherpf<mode>df_mask): Likewise.
1171         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
1172         (*avx512pf_scatterpf<mode>df_mask): Likewise.
1173         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
1174         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
1175         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
1176         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
1177         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
1178         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
1179         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
1180         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
1181         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
1182         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
1183         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
1184         (*avx512f_scatterdi<mode>): Likewise.
1185
1186 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
1187
1188         PR target/85860
1189         * lra-constraints.c (inherit_in_ebb): Update
1190         potential_reload_hard_regs along with live_hard_regs.
1191
1192 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
1193
1194         PR debug/89498
1195         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
1196         DWARF_OFFSET_SIZE.
1197         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
1198
1199 2019-03-13  Martin Sebor  <msebor@redhat.com>
1200
1201         PR tree-optimization/89662
1202         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
1203         has a size.
1204
1205 2019-03-13  Richard Biener  <rguenther@suse.de>
1206
1207         PR middle-end/89677
1208         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
1209         throw FP expressions at tree-affine.
1210
1211 2019-03-14  Richard Biener  <rguenther@suse.de>
1212
1213         * tree-pretty-print.c (dump_generic_node): For -gimple properly
1214         dump negative integer constants using _Literal (type) -num.
1215
1216 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
1217
1218         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
1219         nonlocal_value member.
1220
1221         PR middle-end/88588
1222         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
1223         (ipa_simd_modify_function_body): Handle PHIs.
1224
1225 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
1226
1227         * config/s390/s390.c (s390_option_override_internal): Use more
1228         aggressive inlining parameters.
1229
1230 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
1231
1232         * config/s390/3906.md: New file.
1233         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
1234         (LONGRUNNING_THRESHOLD): Remove.
1235         (MAX_SCHED_MIX_SCORE): Decrease.
1236         (MAX_SCHED_MIX_DISTANCE): Decrease.
1237         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
1238         (struct s390_sched_state): New struct to hold scheduling state.
1239         (S390_SCHED_STATE_NORMAL): Remove.
1240         (S390_SCHED_STATE_CRACKED): Remove.
1241         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
1242         (s390_get_sched_attrmask): Use new attribute.
1243         (s390_get_unit_mask): Use new units.
1244         (s390_is_fpd): New function.
1245         (s390_is_fxd): New function.
1246         (s390_is_longrunning): New function.
1247         (s390_sched_score): Use new functions.
1248         (s390_sched_reorder): Likewise.
1249         (s390_sched_variable_issue): Rework and use new functions.
1250         (s390_sched_init): Use new functions.
1251         * config/s390/s390.h (s390_tune_attr):  Add z14.
1252         * config/s390/s390.md: Add z14.
1253
1254 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
1255
1256         * config/s390/2964.md: Update pipeline description.
1257         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
1258         (LONGRUNNING_THRESHOLD): Remove.
1259         (LATENCY_FACTOR): Remove.
1260         (s390_get_unit_mask): Add unit.
1261         (s390_sched_score): Use fxd/fpd.
1262         (s390_sched_variable_issue): Use fxd/fpd.
1263
1264 2019-03-12  Martin Liska  <mliska@suse.cz>
1265
1266         * config/i386/i386.c: Reword an error message.
1267
1268 2019-03-12  Martin Jambor  <mjambor@suse.cz>
1269
1270         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
1271         terminate with newline.
1272
1273 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
1274
1275         PR target/52726
1276         * config/s390/s390.md (tabort): Use %wd instead of
1277         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
1278         letters and periods.
1279         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
1280         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
1281         's with %< and %>.
1282
1283         PR middle-end/89663
1284         * builtins.c (expand_builtin_int_roundingfn,
1285         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
1286         gcc_unreachable if validate_arglist fails.
1287
1288 2019-03-12  Richard Biener  <rguenther@suse.de>
1289
1290         PR tree-optimization/89664
1291         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
1292         free the occurance tree after the early out.
1293
1294 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
1295
1296         PR middle-end/89655
1297         PR bootstrap/89656
1298         * vr-values.c (vr_values::update_value_range): If
1299         old_vr->varying_p (), don't update it, make new_vr also VARYING
1300         and return false.
1301
1302 2019-03-11  Martin Liska  <mliska@suse.cz>
1303
1304         * config/aarch64/aarch64.c (aarch64_override_options_internal):
1305         Fix double string quoting.
1306
1307 2019-03-11  Martin Liska  <mliska@suse.cz>
1308
1309         * collect-utils.c (collect_wait): Wrap apostrophes
1310         in gcc internal format with %'.
1311         * collect2.c (main): Likewise.
1312         (scan_prog_file): Likewise.
1313         (scan_libraries): Likewise.
1314         * config/i386/i386.c (ix86_expand_call): Likewise.
1315         (ix86_handle_interrupt_attribute): Likewise.
1316         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
1317         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
1318         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
1319         * lto-wrapper.c (find_crtoffloadtable): Likewise.
1320         * symtab.c (symtab_node::verify_base): Likewise.
1321         * tree-cfg.c (verify_gimple_label): Likewise.
1322         * tree.c (verify_type_variant): Likewise.
1323
1324 2019-03-11  Martin Liska  <mliska@suse.cz>
1325
1326         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
1327         in a string format message and fix GNU coding style.
1328         (expand_builtin_set_thread_pointer): Likewise.
1329         * common/config/aarch64/aarch64-common.c (aarch64_rewrite_selected_cpu): Likewise.
1330         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
1331         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
1332         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
1333         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
1334         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
1335         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
1336         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
1337         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
1338         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
1339         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option): Likewise.
1340         * common/config/riscv/riscv-common.c (riscv_subset_list::parsing_subset_version): Likewise.
1341         (riscv_subset_list::parse_std_ext): Likewise.
1342         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
1343         (riscv_subset_list::parse): Likewise.
1344         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
1345         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
1346         (aarch64_override_options_internal): Likewise.
1347         (aarch64_validate_mcpu): Likewise.
1348         (aarch64_validate_march): Likewise.
1349         (aarch64_validate_mtune): Likewise.
1350         (aarch64_override_options): Likewise.
1351         * config/alpha/alpha.c (alpha_option_override): Likewise.
1352         * config/arc/arc.c (arc_init): Likewise.
1353         (parse_mrgf_banked_regs_option): Likewise.
1354         (arc_override_options): Likewise.
1355         (arc_expand_builtin_aligned): Likewise.
1356         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
1357         (arm_expand_builtin): Likewise.
1358         * config/arm/arm.c (arm_option_check_internal): Likewise.
1359         (arm_configure_build_target): Likewise.
1360         (arm_option_override): Likewise.
1361         (arm_options_perform_arch_sanity_checks): Likewise.
1362         (arm_handle_cmse_nonsecure_entry): Likewise.
1363         (arm_handle_cmse_nonsecure_call): Likewise.
1364         (arm_tls_referenced_p): Likewise.
1365         (thumb1_expand_prologue): Likewise.
1366         * config/avr/avr.c (avr_option_override): Likewise.
1367         * config/bfin/bfin.c (bfin_option_override): Likewise.
1368         * config/c6x/c6x.c (c6x_option_override): Likewise.
1369         * config/cr16/cr16.c (cr16_override_options): Likewise.
1370         * config/cris/cris.c (cris_option_override): Likewise.
1371         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
1372         * config/darwin-c.c (macosx_version_as_macro): Likewise.
1373         * config/darwin.c (darwin_override_options): Likewise.
1374         * config/frv/frv.c (frv_expand_builtin): Likewise.
1375         * config/h8300/h8300.c (h8300_option_override): Likewise.
1376         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
1377         (ix86_option_override_internal): Likewise.
1378         (warn_once_call_ms2sysv_xlogues): Likewise.
1379         (ix86_expand_prologue): Likewise.
1380         (split_stack_prologue_scratch_regno): Likewise.
1381         (ix86_warn_parameter_passing_abi): Likewise.
1382         * config/ia64/ia64.c (fix_range): Likewise.
1383         * config/m68k/m68k.c (m68k_option_override): Likewise.
1384         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
1385         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
1386         (mips_set_compression_mode): Likewise.
1387         * config/mmix/mmix.c (mmix_option_override): Likewise.
1388         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
1389         * config/msp430/msp430.c (msp430_option_override): Likewise.
1390         * config/nds32/nds32.c (nds32_option_override): Likewise.
1391         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
1392         (nios2_option_override): Likewise.
1393         (nios2_expand_custom_builtin): Likewise.
1394         * config/nvptx/mkoffload.c (main): Likewise.
1395         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
1396         * config/pa/pa.c (fix_range): Likewise.
1397         (pa_option_override): Likewise.
1398         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
1399         (riscv_option_override): Likewise.
1400         * config/rl78/rl78.c (rl78_option_override): Likewise.
1401         * config/rs6000/aix61.h: Likewise.
1402         * config/rs6000/aix71.h: Likewise.
1403         * config/rs6000/aix72.h: Likewise.
1404         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
1405         * config/rs6000/freebsd64.h: Likewise.
1406         * config/rs6000/linux64.h: Likewise.
1407         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
1408         (rs6000_expand_zeroop_builtin): Likewise.
1409         (rs6000_expand_mtfsb_builtin): Likewise.
1410         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
1411         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
1412         (rs6000_invalid_builtin): Likewise.
1413         (rs6000_expand_split_stack_prologue): Likewise.
1414         * config/rs6000/rtems.h: Likewise.
1415         * config/rx/rx.c (valid_psw_flag): Likewise.
1416         (rx_expand_builtin): Likewise.
1417         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
1418         * config/s390/s390.c (s390_expand_builtin): Likewise.
1419         (s390_function_profiler): Likewise.
1420         (s390_option_override_internal): Likewise.
1421         (s390_option_override): Likewise.
1422         * config/sh/sh.c (sh_option_override): Likewise.
1423         (sh_builtin_saveregs): Likewise.
1424         (sh_fix_range): Likewise.
1425         * config/sh/vxworks.h: Likewise.
1426         * config/sparc/sparc.c (sparc_option_override): Likewise.
1427         * config/spu/spu.c (spu_option_override): Likewise.
1428         (fix_range): Likewise.
1429         * config/visium/visium.c (visium_option_override): Likewise.
1430         (visium_handle_interrupt_attr): Likewise.
1431         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
1432         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
1433         (dbg_cnt_process_opt): Likewise.
1434         * dwarf2out.c (output_dwarf_version): Likewise.
1435         * except.c (expand_eh_return): Likewise.
1436         * gcc.c (defined): Likewise.
1437         (driver_handle_option): Likewise.
1438         (process_command): Likewise.
1439         (compare_files): Likewise.
1440         (driver::prepare_infiles): Likewise.
1441         (driver::do_spec_on_infiles): Likewise.
1442         (driver::maybe_run_linker): Likewise.
1443         * omp-offload.c (oacc_parse_default_dims): Likewise.
1444         * opts-global.c (handle_common_deferred_options): Likewise.
1445         * opts.c (parse_sanitizer_options): Likewise.
1446         (common_handle_option): Likewise.
1447         (enable_warning_as_error): Likewise.
1448         * passes.c (enable_disable_pass): Likewise.
1449         * plugin.c (parse_plugin_arg_opt): Likewise.
1450         (default_plugin_dir_name): Likewise.
1451         * targhooks.c (default_expand_builtin_saveregs): Likewise.
1452         (default_pch_valid_p): Likewise.
1453         * toplev.c (init_asm_output): Likewise.
1454         (process_options): Likewise.
1455         (toplev::run_self_tests): Likewise.
1456         * tree-cfg.c (verify_gimple_call): Likewise.
1457         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
1458         (tree_inlinable_function_p): Likewise.
1459         * var-tracking.c (vt_find_locations): Likewise.
1460
1461 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
1462
1463         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
1464         only on the else branch.
1465
1466 2019-03-11  Martin Liska  <mliska@suse.cz>
1467
1468         * gcov.c (output_intermediate_json_line): Print function
1469         name of each line.
1470         (output_json_intermediate_file): Add new argument.
1471         * doc/gcov.texi: Document the change.
1472
1473 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
1474
1475         PR rtl-optimization/89588
1476         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
1477         explicit unrolling factor more robust.
1478
1479 2019-03-11  Richard Biener  <rguenther@suse.de>
1480
1481         PR tree-optimization/89649
1482         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
1483         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
1484         on the prolog and epilog loops.
1485         (vect_loop_versioning): Return copy of loop.
1486         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
1487         on the non-vectorized version of the loop.
1488
1489 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
1490
1491         PR target/68924
1492         * config/i386/sse.md (*vec_extractv2di_0_sse):
1493         Add (=r,x) alternative and corresponding splitter.
1494
1495 2019-03-10  Martin Jambor  <mjambor@suse.cz>
1496
1497         PR tree-optimization/85762
1498         PR tree-optimization/87008
1499         PR tree-optimization/85459
1500         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
1501         it points to if there is a type changing MEM_REF.  Adjust all callers.
1502         (build_accesses_from_assign): Disable total scalarization if
1503         contains_vce_or_bfcref_p returns true through the new parameter, for
1504         both rhs and lhs.
1505
1506 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
1507
1508         PR c/88568
1509         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
1510         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
1511
1512         PR target/79645
1513         * common.opt (fdiagnostics-show-labels,
1514         fdiagnostics-show-line-numbers, fdiagnostics-format=,
1515         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
1516         gas-locview-support, ginline-points, ginternal-reset-location-views):
1517         Terminate description text with a dot.
1518         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
1519         * config/mcore/mcore.opt (m210, m340): Likewise.
1520         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
1521         mnops=): Start description text with a capital letter.
1522         * config/arc/arc.opt (msize-level=): Likewise.
1523         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
1524         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
1525         mnewlib): Likewise.
1526         * config/ft32/ft32.opt (msim): Likewise.
1527         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
1528         (mnodiv, mnopm): Terminate description text with a dot.
1529         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
1530         a colon.
1531         * config/i386/i386.opt (prefer_vector_width, instrument_return):
1532         Likewise.
1533         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
1534         text.
1535
1536         PR rtl-optimization/89634
1537         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
1538         are modified in BB_END (e->src) instruction.
1539
1540 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
1541
1542         PR target/79926
1543         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
1544         messages more amenable to translation, and improve wording.
1545
1546 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
1547
1548         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
1549         ud- and du-chains between phases.
1550
1551 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
1552
1553         PR debug/89631
1554         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
1555         instead of POLY_INT_CST.
1556
1557 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
1558
1559         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
1560         requirement.
1561
1562 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
1563
1564         PR target/68924
1565         PR target/78782
1566         PR target/87558
1567         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
1568         (_mm_storeu_si64): Ditto.
1569
1570 2019-03-08  Martin Liska  <mliska@suse.cz>
1571
1572         PR target/86952
1573         * config/i386/i386.c (ix86_option_override_internal): Disable
1574         jump tables when retpolines are used.
1575
1576 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
1577
1578         PR go/63560
1579         * ipa-split.c (execute_split_functions): Do not split
1580         'noinline' or 'section' function.
1581
1582 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1583
1584         PR target/79846
1585         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
1586         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
1587         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
1588
1589         PR ipa/80000
1590         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
1591         from diagnostics.  Formatting fixes.
1592
1593         PR target/85665
1594         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
1595         warn_odr diagnostics.
1596
1597         PR other/80058
1598         * lra-constraints.c (process_alt_operands): Avoid one space before
1599         " at the end of line and another after " on another line in a string
1600         literal.
1601         * attribs.c (handle_dll_attribute): Likewise.
1602         * config/avr/avr-devices.c (avr_texinfo): Likewise.
1603
1604         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
1605         warning_at or inform messages in G_() if there is no ?:.
1606
1607         PR tree-optimization/89550
1608         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
1609         returned true.  Formatting fixes.
1610         (expand_builtin_strnlen): Formatting fixes.
1611         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
1612         if warning_at returned true.
1613         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
1614
1615 2019-03-08  Richard Biener  <rguenther@suse.de>
1616
1617         PR middle-end/89578
1618         * cfgloop.h (struct loop): Add owned_clique field.
1619         * cfgloopmanip.c (copy_loop_info): Copy it.
1620         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
1621         cliques.
1622         * tree-inline.c (copy_loops): Remap owned_clique.
1623         * lto-streamer-in.c (input_cfg): Stream owned_clique.
1624         * lto-streamer-out.c (output_cfg): Likewise.
1625
1626 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR target/80190
1629         * config/darwin.c: Include intl.h.
1630         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
1631         composing the message out of two separate parts.
1632
1633 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
1634
1635         PR target/80003
1636         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
1637         doesn't start with a capital letter and doesn't end with a dot.
1638         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
1639         with a capital letter.
1640         (ix86_mangle_function_version_assembler_name): Likewise.
1641         (ix86_generate_version_dispatcher_body): Likewise.
1642         (fold_builtin_cpu): Likewise.
1643         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
1644         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
1645         translators, wrap full type name in %qs.
1646
1647         PR translation/79999
1648         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
1649         depend clause with source (or sink) modifier.
1650         * omp-expand.c (expand_omp_ordered_sink): Likewise.
1651
1652         PR target/89602
1653         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
1654         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
1655         (avx512f_load<mode>_mask): New define_expand.
1656         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
1657         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
1658         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
1659         __builtin_ia32_movess_mask): New builtins.
1660         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
1661         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
1662         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
1663         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
1664
1665 2019-03-07  Martin Jambor  <mjambor@suse.cz>
1666
1667         PR lto/87525
1668         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
1669         for extern inline functions.
1670
1671 2019-03-07  Martin Jambor  <mjambor@suse.cz>
1672
1673         PR ipa/88235
1674         * cgraph.h (cgraph_node): New inline method former_thunk_p.
1675         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
1676         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
1677         have multiple callees.  At the end check if declarations match as
1678         opposed to cgraph_nodes.
1679
1680 2019-03-07  Martin Liska  <mliska@suse.cz>
1681
1682         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
1683         which is equivalent to searching for this in clones chain.
1684         * symtab.c (symtab_node::verify_base): Similarly compare ASM
1685         names with a neighbour and special case first node in a chain.
1686
1687 2019-01-25  Jason Merrill  <jason@redhat.com>
1688
1689         PR c++/80916 - spurious "static but not defined" warning.
1690         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
1691         for an internal symbol with DECL_EXTERNAL.
1692
1693 2019-04-07  Richard Biener  <rguenther@suse.de>
1694
1695         PR middle-end/89618
1696         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
1697         * tree-inline.c (copy_loops): Simplify.
1698
1699 2019-03-07  Martin Liska  <mliska@suse.cz>
1700
1701         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
1702
1703 2019-03-07  Richard Biener  <rguenther@suse.de>
1704
1705         PR tree-optimization/89595
1706         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
1707         stmt iterator as reference, take boolean output parameter to
1708         indicate whether the stmt was removed and thus the iterator
1709         already advanced.
1710         (dom_opt_dom_walker::before_dom_children): Re-iterate over
1711         stmts created by folding.
1712
1713 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR c++/89585
1716         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
1717         at toplevel.
1718
1719 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
1720
1721         PR rtl-optimization/88845
1722         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
1723         LRA.
1724         * lra.c (remove_scratches_1): New function.
1725         (remove_scratches): Use it.
1726         (lra_emit_move): Likewise.
1727
1728 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
1729
1730         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
1731         unaligned_access variable.
1732         * config/arc/arc.c (arc_override_options): Set unaligned access
1733         default on for HS CPUs.
1734         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
1735
1736 2019-03-06  Martin Liska  <mliska@suse.cz>
1737
1738         PR gcov-profile/89577
1739         * doc/gcov.texi: Prefer to use --coverage.
1740         * doc/sourcebuild.texi: Likewise.
1741
1742 2019-03-02  Jason Merrill  <jason@redhat.com>
1743
1744         PR c++/86485 - -Wmaybe-unused with empty class ?:
1745         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
1746
1747 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1748
1749         PR target/89587
1750         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
1751         if_multiarch.
1752
1753         PR middle-end/89590
1754         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
1755         exactly one argument.
1756
1757 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1758             Richard Sandiford  <richard.sandiford@arm.com>
1759
1760         PR tree-optimization/89570
1761         * match.pd (vec_cond into cond_op simplification): Don't use
1762         get_conditional_internal_fn, use as_internal_fn (cond_op).
1763
1764 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
1765
1766         PR target/89222
1767         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
1768         to decide when to split off a non-zero offset from a symbol.
1769         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
1770         in function symbols.
1771
1772 2019-03-05  Richard Biener  <rguenther@suse.de>
1773
1774         PR tree-optimization/89594
1775         * tree-if-conv.c (pass_if_conversion::execute): Handle
1776         case where .LOOP_VECTORIZED_FUNCTION was removed.
1777
1778 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1779
1780         PR bootstrap/89560
1781         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
1782         instead alloca it only when needed with the needed size.
1783
1784         PR tree-optimization/89570
1785         * match.pd (vec_cond into cond_op simplification): Guard with
1786         vectorized_internal_fn_supported_p test and #if GIMPLE.
1787
1788         PR tree-optimization/89566
1789         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
1790         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
1791         Punt if get_user_idx_format succeeds, but idx_format argument is
1792         not provided or doesn't have pointer type, or if idx_args is above
1793         number of provided arguments.
1794
1795 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
1796
1797         PR tree-optimization/89437
1798         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
1799
1800 2019-03-04  Richard Biener  <rguenther@suse.de>
1801
1802         PR middle-end/89572
1803         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
1804         safe_dyn_cast.
1805
1806 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
1807
1808         PR tree-optimization/89487
1809         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
1810         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
1811         (distribute_loop): Don't do runtime alias check if there is non-
1812         addressable data reference.
1813         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
1814         is a register variable.
1815
1816 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
1817
1818         PR target/89506
1819         * config/arm/arm.md (cmpsi2_addneg): Use
1820         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
1821         If operands[2] is 0 or INT_MIN, force use of subs.
1822         (*compare_scc splitter): Use gen_int_mode.
1823         (*negscc): Likewise.
1824         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
1825
1826 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
1827             Monk Chiang  <sh.chiang04@gmail.com>
1828
1829         * common/config/riscv/riscv-common.c: Include sstream.
1830         (riscv_subset_list::to_string): New.
1831         (riscv_arch_str): Likewise.
1832         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
1833         * config.in: Regen.
1834         * config/riscv/riscv-protos.h (riscv_arch_str): New.
1835         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
1836         (riscv_emit_attribute): New.
1837         (riscv_file_start): Emit attribute if needed.
1838         (riscv_option_override): Init riscv_emit_attribute_p.
1839         * config/riscv/riscv.opt (mriscv-attribute): New option.
1840         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
1841         * configure: Regen.
1842         * doc/install.texi: Document --with-riscv-attribute.
1843         * doc/invoke.texi: Document -mriscv-attribute.
1844
1845         * common/config/riscv/riscv-common.c:
1846         Include config/riscv/riscv-protos.h.
1847         (INCLUDE_STRING): Defined.
1848         (RISCV_DONT_CARE_VERSION): Defined.
1849         (riscv_subset_t): Declare.
1850         (riscv_subset_t::riscv_subset_t): New.
1851         (riscv_subset_list): Declare.
1852         (riscv_subset_list::riscv_subset_list): New.
1853         (riscv_subset_list::~riscv_subset_list): Likewise.
1854         (riscv_subset_list::parsing_subset_version): Likewise.
1855         (riscv_subset_list::parse_std_ext): Likewise.
1856         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
1857         (riscv_subset_list::add): Likewise.
1858         (riscv_subset_list::lookup): Likewise.
1859         (riscv_subset_list::xlen): Likewise.
1860         (riscv_subset_list::parse): Likewise.
1861         (riscv_supported_std_ext): Likewise.
1862         (current_subset_list): Likewise.
1863         (riscv_parse_arch_string): Using riscv_subset_list::parse to
1864         parse.
1865
1866 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
1867
1868         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
1869         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
1870         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
1871
1872 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
1873
1874         PR rtl-optimization/85899
1875         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
1876         fallthru edges leading to the exit block.
1877
1878 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
1879
1880         PR target/89517
1881         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
1882         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
1883
1884 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
1885
1886         PR tree-optimization/89535
1887         * tree-vect-stmts.c (vectorizable_call): Record the vector types
1888         for each operand.  Calculate the fallback choice for mask operands
1889         and pass it to vect_get_vec_def_for_operand.
1890
1891 2019-03-01  Richard Biener  <rguenther@suse.de>
1892
1893         PR middle-end/89541
1894         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
1895         get virtual operands.
1896         (get_expr_operands): Handle CONST_DECL like other decls.
1897
1898 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
1899
1900         PR middle-end/89503
1901         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
1902         on DECL_P and EXPR_P.
1903
1904 2019-03-01  Richard Biener  <rguenther@suse.de>
1905
1906         PR middle-end/89497
1907         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
1908         argument, defaulted to zero.
1909         * passes.c (execute_function_todo): Pass down SSA update flags
1910         to cleanup_tree_cfg.
1911         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
1912         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
1913         form if requested.
1914         (cleanup_tree_cfg): Get and pass down SSA update flags.
1915
1916 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
1917
1918         PR bootstrap/89539
1919         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
1920         early_lto_debug argument.
1921
1922 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
1923
1924         PR tree-optimization/89536
1925         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
1926         only whether bit #0 of the value is 0 instead of the entire value.
1927
1928 2019-02-28  Marek Polacek  <polacek@redhat.com>
1929
1930         PR c++/87068 - missing diagnostic with fallthrough statement.
1931         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
1932         at the end of a seq, save its location to walk_stmt_info.
1933         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
1934         a switch.
1935
1936 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
1937
1938         PR lto/88585
1939         * tree.c (find_atomic_core_type): Move ahead in file.
1940         (check_base_type): Correctly compare alignments of atomic types.
1941
1942 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
1943
1944         PR target/89455
1945         * config/i386/i386.c (get_builtin_code_for_version): Identify
1946         Westmere from PCLMUL, instead of AES.
1947
1948 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
1949
1950         PR target/89434
1951         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
1952         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
1953         -UINTVAL (...).
1954
1955 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
1956
1957         PR target/88530
1958         * config/aarch64/aarch64-option-extensions.def: Document it.
1959         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
1960         if empty hwcaps.
1961
1962 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
1963
1964         PR c/89520
1965         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
1966         builtins if they don't have a single scalar floating point argument.
1967         Formatting fixes.
1968
1969 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1970
1971         PR rtl-optimization/89490
1972         * varasm.c (get_block_for_section): Bail out for mergeable sections.
1973         (default_use_anchors_for_symbol_p, output_object_block): Assert the
1974         block section is not mergeable.
1975
1976 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
1977
1978         PR target/70341
1979         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
1980         old define_insn to ...
1981         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
1982         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
1983         Rename old define_insn to ...
1984         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
1985         (thumb2_casesi_internal_pic): New define_expand.  Rename old
1986         define_insn to ...
1987         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
1988         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
1989         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
1990
1991 2019-02-27  Richard Biener  <rguenther@suse.de>
1992
1993         PR debug/88878
1994         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
1995
1996 2019-02-27  Richard Biener  <rguenther@suse.de>
1997
1998         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
1999         building.
2000
2001 2019-02-27  Richard Biener  <rguenther@suse.de>
2002
2003         PR debug/88878
2004         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
2005         parameter, prefix section name with .gnu.debuglto_ if true.
2006         (dwarf2out_finish): Pass false to output_comdat_type_unit.
2007         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
2008
2009 2019-02-27  Richard Biener  <rguenther@suse.de>
2010
2011         PR debug/89514
2012         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
2013         rather than on use_debug_types, doing what output_die does.
2014         (value_format): Likewise.
2015
2016 2019-02-27  Martin Jambor  <mjambor@suse.cz>
2017             Martin Sebor  <msebor@redhat.com>
2018
2019         * doc/invoke.texi (Warning Options): Reword description of
2020         -Wno-absolute-value.
2021
2022 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
2023
2024         PR tree-optimization/89280
2025         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
2026         builtin_setjmp_setup_bb): New functions.
2027         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
2028         When visiting __builtin_setjmp_setup block, queue in special
2029         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
2030         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
2031         from visited after the loop if they don't have any visited successor
2032         blocks.
2033
2034 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
2035
2036         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
2037         New function.
2038         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
2039
2040 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
2041
2042         PR c++/89507
2043         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
2044         with types other than sizetype/ssizetype.
2045
2046 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
2047
2048         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
2049         (enum sparc_processor_type): ...this.
2050         (enum sparc_code_model_type): New enumeration type.
2051         (enum sparc_memory_model_type): Tweak comments.
2052         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
2053         (mtune): Likewise.
2054         (mcmodel): Use sparc_code_model enumeration and variable.
2055         (sparc_code_model): New enumeration.
2056         (mdebug): Add Undocumented marker.
2057         * config/sparc/sparc.h (enum cmodel): Delete.
2058         (sparc_cmodel): Likewise.
2059         (TARGET_CM_MEDLOW): Adjust to above renaming.
2060         (TARGET_CM_MEDMID): Likewise.
2061         (TARGET_CM_MEDANY): Likewise.
2062         (TARGET_CM_EMBMEDANY): Likewise.
2063         * config/sparc/sparc.c (sparc_cmodel): Delete.
2064         (sparc_option_override): Remove string/value mapping support for the
2065         code model.  Move code and memory model support to after the handling
2066         of target flags.  Do private machine setup last.
2067         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
2068         (sparc_legitimize_reload_address): Likewise.
2069         (sparc_output_mi_thunk): Likewise.
2070         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
2071
2072 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
2073
2074         PR tree-optimization/89500
2075         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
2076         (handle_builtin_strlen): Remove noncst_bound variable.  Always
2077         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
2078         cst if the first cst bytes starting at x are known to be non-zero,
2079         even if the string is not zero terminated.  Don't try to modify
2080         *si for strnlen.  Update strlen_to_stridx only for strlen or if
2081         we can prove strnlen returns the same value as strlen would.
2082
2083 2019-02-26  Martin Liska  <mliska@suse.cz>
2084
2085         * alloc-pool.h (struct pool_usage): Remove extra
2086         print_dash_line.
2087         * bitmap.h (struct bitmap_usage): Likewise.
2088         * ggc-common.c (struct ggc_usage): Likewise.
2089         * mem-stats.h (struct mem_usage): Likewise.
2090         (mem_alloc_description::dump): Print dash lines
2091         here and repeat header at the end of a table report.
2092         It's then more readable.
2093         * tree-phinodes.c (phinodes_print_statistics): Make
2094         horizontal alignment.
2095         * tree-ssanames.c (ssanames_print_statistics): Likewise.
2096         * vec.c (struct vec_usage): Remove extra print_dash_line.
2097         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
2098
2099 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
2100
2101         * doc/extend.texi (__builtin_object_size):
2102         Use @pxref instead of @xref inside parenthesis.
2103         (__builtin_has_attribute): Add missing comma after @xref.
2104         (__builtin_object_size): Ditto.
2105         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
2106         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
2107         in the list.
2108
2109 2019-02-26  Jeff Law  <law@redhat.com>
2110
2111         PR rtl-optimization/87761
2112         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
2113         detect obviously dead insns and delete them.
2114
2115 2019-02-26  Richard Biener  <rguenther@suse.de>
2116
2117         PR tree-optimization/89505
2118         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
2119         to handle restrict pointed-to vars with multiple subvars
2120         correctly.
2121
2122 2019-02-26  Richard Biener  <rguenther@suse.de>
2123
2124         PR tree-optimization/89489
2125         * tree-parloops.c (create_loop_fn): Copy over last_clique.
2126
2127 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
2128
2129         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
2130         and move around comment.
2131         <BIT_AND_EXPR>: Likewise.
2132         <BIT_NOT_EXPR>: Add specific handling for boolean types.
2133
2134 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
2135
2136         PR target/89474
2137         * config/i386/i386.c (remove_partial_avx_dependency): Call
2138         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
2139         after changing possibly many instructions to use that pseudo.  Fix up
2140         insertion of v4sf_const0 setter at the start of bb.
2141
2142 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
2143
2144         PR c/80409
2145         * doc/extend.texi (Variadic Pointer Args): New section.
2146
2147 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
2148             Martin Sebor  <msebor@gmail.com>
2149
2150         * common.opt (Wattribute-alias): Likewise.
2151         * doc/invoke.texi (Option Summary): List general form of
2152         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
2153         (-Wmissing-attributes): Invert entry, rewrite and correct default.
2154         Add cross-references.
2155         (-Wattribute-alias): Rewrite and correct default.  Mention
2156         considered attributes (same as for -Wmissing-attributes).
2157
2158 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
2159
2160         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
2161         (_mm_cvtpd_ps): Likewise.
2162         (_mm_cvttpd_epi32): Likewise.
2163
2164         PR target/89338
2165         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
2166         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
2167
2168         PR target/89339
2169         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
2170
2171 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
2172
2173         PR target/88530
2174         * common/config/aarch64/aarch64-common.c
2175         (struct aarch64_option_extension): Add is_synthetic.
2176         (all_extensions): Use it.
2177         (TARGET_OPTION_INIT_STRUCT): Define hook.
2178         (struct gcc_targetm_common): Moved to end.
2179         (all_extensions_by_on): New.
2180         (opt_ext_cmp, typedef opt_ext): New.
2181         (aarch64_option_init_struct): New.
2182         (aarch64_contains_opt): New.
2183         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
2184         * config/aarch64/aarch64-option-extensions.def
2185         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
2186         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
2187         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
2188         Set is_synthetic to false.
2189         (crypto): Set is_synthetic to true.
2190         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
2191         SYNTHETIC.
2192
2193 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
2194
2195         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
2196         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
2197         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
2198         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
2199         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
2200         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
2201         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
2202         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
2203         Rename ...
2204         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
2205         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
2206         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
2207         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
2208         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
2209         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
2210         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
2211         vfmlsl_laneq_high_f16): ... To this.
2212         * config/arm/neon.md: Update comments.
2213
2214 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
2215
2216         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
2217         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
2218         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
2219         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
2220         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
2221         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
2222         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
2223         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
2224         Rename ...
2225         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
2226         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
2227         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
2228         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
2229         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
2230         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
2231         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
2232         vfmlslq_laneq_high_f16): ... To this.
2233
2234 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
2235
2236         PR rtl-optimization/86096
2237         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
2238         comparing mw_order values.
2239
2240 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
2241
2242         PR target/89434
2243         * config/arm/arm.md (*subsi3_carryin_const): Use
2244         arm_neg_immediate_operand predicate instead of
2245         arm_not_immediate_operand, "L" constraint instead of "K" and
2246         print it using %n2 instead of %B2.
2247         (*subsi3_carryin_const0): New define_insn.
2248         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
2249         instead of arm_not_operand and "I" constraint instead of "K" and
2250         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
2251         another match_operand and in the condition check that it is negation
2252         of operands[2].
2253         (*subsi3_carryin_compare_const0): New define_ins.
2254         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
2255         *subsi3_carryin_const.
2256         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
2257         split into *subsi3_carryin_compare_const0 if the highpart is zero.
2258
2259         PR target/89438
2260         * config/arm.vfp.md (*negdf2_vfp): Use
2261         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
2262         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
2263
2264 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
2265
2266         PR rtl-optimization/89445
2267         * simplify-rtx.c (simplify_ternary_operation): Don't use
2268         simplify_merge_mask on operands that may trap.
2269         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
2270         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
2271         second operand is CONST_VECTOR, check if any element could be zero.
2272         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
2273         their operands can trap.
2274
2275 2019-02-23  Martin Sebor  <msebor@redhat.com>
2276
2277         * gimple-ssa-sprintf.c (target_strtol): Rename...
2278         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
2279         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
2280         check for range error.
2281
2282 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
2283
2284         PR driver/69471
2285         * opts-common.c (prune_options): Also prune joined switches
2286         with Negative and RejectNegative.
2287         * config/i386/i386.opt (march=): Add Negative(march=).
2288         (mtune=): Add Negative(mtune=).
2289         * doc/options.texi: Document Negative used together with Joined
2290         and RejectNegative.
2291
2292 2019-02-22  Martin Sebor  <msebor@redhat.com>
2293
2294         * doc/extend.texi (Other Builtins): Add
2295         __builtin_is_constant_evaluated.
2296
2297 2019-02-22  Richard Biener  <rguenther@suse.de>
2298
2299         PR tree-optimization/87609
2300         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
2301
2302 2019-02-22  Jeff Law  <law@redhat.com>
2303
2304         PR rtl-optimization/87761
2305         * config/mips/mips.md: Add new combiner pattern to recognize
2306         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
2307
2308 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2309
2310         PR target/89324
2311         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
2312         destination register in peepholes generating patterns for ADDS/SUBS.
2313         (add<mode>3_compare0,
2314         *addsi3_compare0_uxtw, add<mode>3_compareC,
2315         add<mode>3_compareV_imm, add<mode>3_compareV,
2316         *adds_<optab><ALLX:mode>_<GPI:mode>,
2317         *subs_<optab><ALLX:mode>_<GPI:mode>,
2318         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
2319         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
2320         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
2321         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
2322         sub<mode>3_compare1): Allow stack pointer for source register.
2323         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
2324
2325 2019-02-22  Martin Sebor  <msebor@redhat.com>
2326
2327         PR tree-optimization/88993
2328         PR tree-optimization/88853
2329         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
2330         New helper.
2331         (sprintf_dom_walker::call_info::is_string_func): New helper.
2332         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
2333         for formatted string functions.
2334         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
2335
2336 2019-02-22  Martin Sebor  <msebor@redhat.com>
2337
2338         PR c/89425
2339         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
2340         unreachable subexpressions.
2341
2342 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
2343             Hongtao Liu  <hongtao.liu@intel.com>
2344             Sunil K Pandey  <sunil.k.pandey@intel.com>
2345
2346         PR target/87007
2347         * config/i386/i386-passes.def: Add
2348         pass_remove_partial_avx_dependency.
2349         * config/i386/i386-protos.h
2350         (make_pass_remove_partial_avx_dependency): New.
2351         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
2352         New function.
2353         (pass_data_remove_partial_avx_dependency): New.
2354         (pass_remove_partial_avx_dependency): Likewise.
2355         (make_pass_remove_partial_avx_dependency): Likewise.
2356         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
2357         (*extendsfdf2): Add avx_partial_xmm_update.
2358         (truncdfsf2): Likewise.
2359         (*float<SWI48:mode><MODEF:mode>2): Likewise.
2360         (SF/DF conversion splitters): Disabled for TARGET_AVX.
2361
2362 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
2363
2364         PR middle-end/85598
2365         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
2366         analysis for pass.
2367
2368 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
2369
2370         PR target/89444
2371         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
2372         (PTA_SKYLAKE): Add PTA_AES.
2373         (PTA_GOLDMONT): Likewise.
2374
2375 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
2376
2377         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
2378         instruction if enabled.
2379         (aarch64_override_options): Remove reference to return address key.
2380
2381 2019-02-22  Richard Biener  <rguenther@suse.de>
2382
2383         PR tree-optimization/89440
2384         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
2385         not necessary assert.
2386
2387 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
2388
2389         PR fortran/72741
2390         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
2391         (oacc_replace_fn_attrib_attr): ... this new function.
2392         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
2393         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
2394
2395 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2396
2397         * config/arm/arm-cpus.in (ares): Rename to...
2398         (neoverse-n1): ... This.  Add ares as alias.
2399         * config/arm/arm-tables.opt: Regenerate.
2400         * config/arm/arm-tune.md: Likewise.
2401         * doc/invoke.txt (ARM Options): Document neoverse-n1.
2402
2403 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2404
2405         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
2406         * config/aarch64/aarch64-tune.md: Regenerate.
2407         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
2408
2409 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2410
2411         * config/aarch64/aarch64.c (ares_tunings): Rename to...
2412         (neoversen1_tunings): ... This.
2413         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
2414         (neoverse-n1): New CPU.
2415         * config/aarch64/aarch64-tune.md: Regenerate.
2416         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
2417
2418 2019-02-22  Richard Biener  <rguenther@suse.de>
2419
2420         PR middle-end/87609
2421         * cfghooks.h (dependence_hash): New typedef.
2422         (struct copy_bb_data): New type.
2423         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
2424         (duplicate_block): Likewise.
2425         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
2426         (copy_bbs): Create and pass down copy_bb_data.
2427         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
2428         (rtl_duplicate_bb): Likewise.
2429         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
2430         remap dependence info.
2431
2432 2019-02-22  Richard Biener  <rguenther@suse.de>
2433
2434         PR tree-optimization/87609
2435         * tree-core.h (tree_base): Document special clique values.
2436         * tree-inline.c (remap_dependence_clique): Do not use the
2437         special clique value of one.
2438         (maybe_set_dependence_info): Use clique one.
2439         (clear_dependence_clique): New callback.
2440         (compute_dependence_clique): Clear clique one from all refs
2441         before assigning it (again).
2442
2443 2019-02-21  Martin Sebor  <msebor@redhat.com>
2444
2445         * doc/extend.texi (__clear_cache): Correct signature.
2446
2447 2019-02-21  Ian Lance Taylor  <iant@golang.org>
2448
2449         PR go/89170
2450         * varasm.c (decode_addr_const): Call lookup_constant_def rather
2451         than output_constant_def.
2452         (add_constant_to_table): New static function.
2453         (output_constant_def): Call add_constant_to_table.
2454         (tree_output_constant_def): Likewise.
2455
2456 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
2457
2458         PR c++/89285
2459         * builtins.c (fold_builtin_arith_overflow): If first two args are
2460         INTEGER_CSTs, set intres and ovfres to constants rather than calls
2461         to ifn.
2462
2463 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
2464
2465         PR target/87412
2466         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
2467         error for -mindirect-branch/-mfunction-return with incompatible
2468         -fcf-protection.
2469
2470 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
2471
2472         PR bootstrap/88714
2473         * constraints.md (q): Remove.
2474         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
2475         instead of q.
2476
2477 2019-02-21  Martin Jambor  <mjambor@suse.cz>
2478
2479         PR hsa/89302
2480         * omp-general.c (omp_extract_for_data): Removed a duplicate call
2481         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
2482         (omp_adjust_for_condition): ...here.  Added necessary parameters.
2483         * omp-general.h (omp_adjust_for_condition): Updated declaration.
2484         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
2485         proper values to new parameters of omp_adjust_for_condition.
2486
2487 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
2488
2489         PR middle-end/89412
2490         * expr.c (expand_assignment): If result is a MEM, use change_address
2491         instead of simplify_gen_subreg.
2492
2493 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
2494             David Malcolm  <dmalcolm@redhat.com>
2495
2496         PR middle-end/89091
2497         * fold-const.c (decode_field_reference): Return NULL_TREE if
2498         lang_hooks.types.type_for_size returns NULL.  Check it before
2499         overwriting *exp_.  Use return NULL_TREE instead of return 0.
2500
2501 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
2502
2503         PR middle-end/88074
2504         PR middle-end/89415
2505         * toplev.c (do_compile): Double the emin/emax exponents to workaround
2506         buggy mpc_norm.
2507
2508 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
2509
2510         PR target/89397
2511         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
2512         TARGET_SSE in addition to TARGET_SSE_MATH.
2513
2514         (ix86_excess_precision): Ditto.
2515         (ix86_float_exceptions_rounding_supported_p): Ditto.
2516         (use_rsqrt_p): Ditto.
2517         * config/i386/sse.md (rsqrt<mode>2): Ditto.
2518
2519 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
2520
2521         PR c/89410
2522         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
2523         linenum_arith_t when determining if two adjacent line spans are
2524         close enough to merge.
2525         (diagnostic_show_locus): Use linenum_arith_t when iterating over
2526         lines within each line_span.
2527
2528 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
2529
2530         PR target/86487
2531         * lra-constraints.c(uses_hard_regs_p): Fix handling of
2532         paradoxical SUBREGS.
2533
2534 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
2535
2536         PR target/88100
2537         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
2538         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
2539         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
2540         range checking it.
2541
2542 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
2543
2544         * config/gcn/gcn.c (print_operand): Fix typo.
2545
2546 2019-02-19  Richard Biener  <rguenther@suse.de>
2547
2548         PR middle-end/88074
2549         * toplev.c (do_compile): Initialize mpfr's exponent range
2550         based on available float modes.
2551
2552 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
2553
2554         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
2555         as long as the epilogue isn't completed.
2556
2557 2019-02-18  Martin Sebor  <msebor@redhat.com>
2558
2559         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
2560         __has_cpp_attribute, and __has_include.
2561
2562 2019-02-18  Martin Sebor  <msebor@redhat.com>
2563
2564         * doc/invoke.texi (-Wreturn-type): Correct and expand.
2565
2566 2019-02-18  Martin Sebor  <msebor@redhat.com>
2567
2568         PR middle-end/89294
2569         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
2570         expression.
2571         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
2572
2573 2019-02-18  Richard Biener  <rguenther@suse.de>
2574
2575         PR tree-optimization/89296
2576         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
2577         of no-warning flag to cases that might emit the bogus warning.
2578
2579 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
2580
2581         PR bootstrap/88714
2582         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
2583         "q" constraint.
2584         * config/arm/vfp.md (*movdi_vfp): Likewise.
2585         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
2586         "q" constraint for operands[0].
2587
2588         PR target/89369
2589         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
2590         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
2591         pattern in a temporary buffer.
2592         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
2593         than 64-operands[2].
2594
2595         PR target/89361
2596         * config/s390/s390.c (s390_indirect_branch_attrvalue,
2597         s390_indirect_branch_settings): Define unconditionally.
2598         (s390_set_current_function): Likewise, but guard the whole body except
2599         the s390_indirect_branch_settings call with
2600         #if S390_USE_TARGET_ATTRIBUTE.
2601         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
2602
2603         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
2604         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
2605         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
2606         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
2607         HOST_WIDE_INT_1U instead of 1ULL.
2608         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
2609         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
2610         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
2611         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
2612         instead of 1UL.
2613         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
2614         instead of 1ul.
2615
2616 2019-02-18  Martin Jambor  <mjambor@suse.cz>
2617
2618         PR tree-optimization/89209
2619         * tree-sra.c (create_access_replacement): New optional parameter
2620         reg_tree.  Use it as a type if non-NULL and access type is not of
2621         a register type.
2622         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
2623         to create_access_replacement.
2624         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
2625         Check lacc is non-NULL before attempting to re-create it on the RHS.
2626
2627 2019-02-18  Martin Liska  <mliska@suse.cz>
2628
2629         PR ipa/89306
2630         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
2631         by default.
2632         (symbol_table::free_edge): Recycle m_summary_id.
2633         * cgraph.h (get_summary_id): New.
2634         (symbol_table::release_symbol): Set m_summary_id to -1
2635         by default.
2636         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
2637         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
2638         function_summary to fast_function_summary.
2639         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
2640         * ipa-pure-const.c (class funct_state_summary_t):
2641         Switch from function_summary to fast_function_summary.
2642         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
2643         (class ipa_ref_opt_summary_t): Switch from function_summary
2644         to fast_function_summary.
2645         * symbol-summary.h (class function_summary_base): New class
2646         that is created from base of former function_summary.
2647         (function_summary_base::unregister_hooks): New.
2648         (class function_summary): Inherit from function_summary_base.
2649         (class call_summary_base): New class
2650         that is created from base of former call_summary.
2651         (class call_summary): Inherit from call_summary_base.
2652         (struct is_same): New.
2653         (class fast_function_summary): New summary class.
2654         (class fast_call_summary): New summary class.
2655         * vec.h (vec_safe_grow_cleared): New function.
2656
2657 2019-02-18  Martin Liska  <mliska@suse.cz>
2658
2659         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
2660         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
2661         * doc/tm.texi: Document new target hook.
2662         * doc/tm.texi.in: Likewise.
2663         * target.def: Add new target macro.
2664         * gcc.c (find_fortran_preinclude_file): Do not search multilib
2665         suffixes.
2666
2667 2019-02-17  Alan Modra  <amodra@gmail.com>
2668
2669         PR target/89271
2670         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
2671         output reg on add insn.
2672         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
2673
2674 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2675
2676         PR target/89372
2677         * config/i386/sse.md (ssedoublemode): Remove V4HI.
2678         (PMULHRSW): Likewise.
2679         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
2680         TARGET_AVX2.
2681         (ssse3_pmulhrswv4hi3): New expander.
2682
2683 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2684
2685         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
2686         MMX.  Add isa attribute.
2687
2688 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
2689
2690         PR rtl-optimization/66152
2691         * builtins.h (c_readstr): Declare.
2692         * builtins.c (c_readstr): Remove forward declaration.  Add
2693         null_terminated_p argument, if false, read all bytes from the
2694         string instead of stopping after '\0'.
2695         * expr.c (string_cst_read_str): New function.
2696         (store_expr): Use string_cst_read_str instead of
2697         builtin_strncpy_read_str.  Try to store by pieces the whole
2698         exp_len first, and only if that fails, split it up into
2699         store by pieces followed by clear_storage.  Formatting fix.
2700
2701         * config/i386/i386.md (*movqi_internal): Remove static from
2702         buf variable.  Use output_asm_insn (buf, operands); return "";
2703         instead of return buf;.
2704         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
2705         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
2706         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
2707
2708 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2709
2710         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
2711         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
2712         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
2713         (CC1_SPEC): Likewise.
2714         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
2715
2716 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2717
2718         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
2719         the base address on 64-bit strict-alignment platforms.
2720
2721 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2722
2723         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
2724
2725 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
2726
2727         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
2728
2729 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
2730
2731         PR rtl-optimization/88308
2732         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
2733         on copied instruction.
2734
2735 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2736
2737         * final.c (insn_current_reference_address): Replace test on JUMP_P
2738         with test on jump_to_label_p.
2739         * config/visium/visium-passes.def: New file.
2740         * config/visium/t-visium (PASSES_EXTRA): Define.
2741         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
2742         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
2743         (TRAMPOLINE_ALIGNMENT): Define.
2744         * config/visium/visium.c (visium_option_override): Do not register
2745         the machine-specific reorg pass here.
2746         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
2747         for the GR6.
2748         (output_branch): Adjust threshold for long branch instruction.
2749         * config/visium/visium.md (cpu): Move around.
2750         (length): Adjust for the GR6.
2751
2752 2019-02-15  Richard Biener  <rguenther@suse.de>
2753             Jakub Jelinek  <jakub@redhat.com>
2754
2755         PR tree-optimization/89278
2756         * tree-loop-distribution.c: Include tree-eh.h.
2757         (generate_memset_builtin, generate_memcpy_builtin): Call
2758         rewrite_to_non_trapping_overflow on builtin->size before passing it
2759         to force_gimple_operand_gsi.
2760
2761 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
2762
2763         PR other/89342
2764         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
2765         optimize_debug.
2766         * opth-gen.awk: Likewise.
2767
2768 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
2769
2770         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
2771         Enable MMX, SSE and SSE2 by default.
2772         * config/i386/i386.c (ix86_option_override_internal): Do not
2773         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
2774
2775 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
2776
2777         PR rtl-optimization/89354
2778         * combine.c (make_extraction): Punt if extraction_mode is narrower
2779         than len bits.
2780
2781 2019-02-14  Maya Rashish  <coypu@sdf.org>
2782
2783         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
2784         * config/netbsd-d.c: New file.
2785         * config/t-netbsd: Add netbsd-d.o
2786
2787 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
2788
2789         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
2790         affects_type_identity to true for aarch64_vector_pcs.
2791         (aarch64_comp_type_attributes): New function.
2792         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
2793
2794 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
2795
2796         PR target/88850
2797         * config/arm/iterators.md (ANY64): Add V4HF.
2798
2799 2019-02-14  Martin Liska  <mliska@suse.cz>
2800
2801         PR rtl-optimization/89242
2802         * dce.c (delete_unmarked_insns): Call free_dominance_info we
2803         process a transformation.
2804
2805 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR tree-optimization/89314
2808         * fold-const.c (fold_binary_loc): Cast strlen argument to
2809         const char * before dereferencing it.  Formatting fixes.
2810
2811         PR middle-end/89284
2812         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
2813
2814 2019-02-13  Ian Lance Taylor  <iant@golang.org>
2815
2816         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
2817         and set current index for other optimizations.
2818
2819 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
2820
2821         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
2822         nonimmediate_operand as operand 2 predicate.
2823         (vec_set<VF2_512_256:mode>_0): Ditto.
2824         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
2825         (*vec_concatv2si): Remove alternative 2.
2826         (*vec_concatv4si_0): Use vm constraint for alternative 0.
2827         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
2828         (vec_concatv2di): Split alternatives 4,5,6 to ...
2829         (*vec_concatv2di_0) ... new pattern.
2830
2831 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
2832
2833         PR target/89190
2834         * config/arm/arm.c (ldm_stm_operation_p) Set
2835         addr_reg_in_reglist correctly for first register.
2836         (load_multiple_sequence): Remove dead base check.
2837         (gen_ldm_seq): Correctly set write_back for Thumb-1.
2838
2839 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
2840
2841         PR target/88847
2842         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
2843         Expose as @aarch64_pred_mov.
2844         * config/aarch64/aarch64.c (aarch64_classify_address):
2845         Use expand_insn which legitimizes operands.
2846
2847 2019-02-13  Martin Liska  <mliska@suse.cz>
2848
2849         * builtins.h (expand_builtin_with_bounds): Remove declaration.
2850         * calls.c (struct arg_data): Remove special_slot, pointer_arg
2851         and pointer_offset fields.
2852         (initialize_argument_information): Remove usage of dead
2853         fields.
2854         * cgraph.h (struct cgraph_thunk_info): Remove
2855         add_pointer_bounds_args.
2856         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
2857         fields.
2858         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
2859         fields.
2860         * config/i386/i386.c (ix86_function_arg_advance): Remove
2861         unrelated comment.
2862         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
2863         (def_builtin):  Remove usage of dead
2864         fields.
2865         (ix86_add_new_builtins): Likewise.
2866         * ipa-fnsummary.c (compute_fn_summary): Likewise.
2867         * ipa-icf.c (sem_function::equals_wpa): Likewise.
2868         (sem_function::init): Likewise.
2869         (sem_variable::merge): Likewise.
2870         * ipa-visibility.c (function_and_variable_visibility): Likewise.
2871         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
2872         * lto-cgraph.c (lto_output_node): Likewise.
2873         (lto_output_varpool_node): Likewise.
2874         (input_node): Likewise.
2875         (input_varpool_node): Likewise.
2876         * lto-streamer-out.c (lto_output): Likewise.
2877         * tree-inline.c (expand_call_inline): Remove usage of
2878         assign_stmts.
2879         * tree-inline.h (struct copy_body_data): Likewise.
2880         * varpool.c (varpool_node::dump): Likewise.
2881
2882 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
2883
2884         PR middle-end/89303
2885         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
2886         into pt->vars_contains_escaped_heap instead of setting
2887         pt->vars_contains_escaped_heap to it.
2888
2889         PR middle-end/89281
2890         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
2891         INTVAL (size), compare it to GET_MODE_MASK instead of
2892         1 << GET_MODE_BITSIZE.
2893
2894         PR target/89290
2895         * config/i386/predicates.md (x86_64_immediate_operand): Allow
2896         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
2897         -mcmodel=large.
2898
2899 2019-02-13  Martin Liska  <mliska@suse.cz>
2900
2901         PR lto/88858
2902         * cfgrtl.c (remove_barriers_from_footer): New function.
2903         (try_redirect_by_replacing_jump): Use it.
2904         (cfg_layout_redirect_edge_and_branch): Likewise.
2905
2906 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
2907
2908         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
2909         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
2910         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
2911         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
2912         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
2913         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
2914         New BU_CRYPTO_2.
2915         * config/rs6000/rs6000.c (builtin_function_type)
2916         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
2917         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
2918         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
2919         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
2920         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
2921
2922 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
2923
2924         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
2925         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
2926
2927 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2928
2929         PR target/89229
2930         * config/i386/i386.md (*movoi_internal_avx): Revert revision
2931         268678 and revision 268657.
2932         (*movti_internal): Likewise.
2933
2934 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
2935
2936         PR target/89233
2937         * config/s390/s390.c (s390_decompose_address): Update comment.
2938         (s390_check_qrst_address): Reject invalid address forms after
2939         LRA.
2940
2941 2019-02-12  Martin Liska  <mliska@suse.cz>
2942
2943         PR lto/88876
2944         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
2945         we need default values of funct_state for a function that
2946         is not optimized.
2947
2948 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2949
2950         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
2951         the object to pick the size of stores on strict-alignment platforms.
2952
2953         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
2954         (*movdi_insn_sp32): Likewise.
2955         (*movdi_insn_sp64): Likewise.
2956
2957 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
2958
2959         PR lto/88677
2960         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
2961         types that needs constructiong.
2962         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
2963
2964 2019-02-12  Richard Biener  <rguenther@suse.de>
2965
2966         PR tree-optimization/89253
2967         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
2968         duplicate the loop.
2969
2970 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
2971
2972         PR lto/88147
2973         * input.c (selftest::test_line_offset_overflow): New selftest.
2974         (selftest::input_c_tests): Call it.
2975
2976 2019-02-11  Martin Sebor  <msebor@redhat.com>
2977
2978         PR tree-optimization/88771
2979         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
2980         when -Wstringop-overflow is set.
2981         (builtin_memref::builtin_memref): Adjust excessive upper bound
2982         only when lower bound is not excessive.
2983         (maybe_diag_overlap): Detect and diagnose excessive bounds via
2984         -Wstringop-ovefflow.
2985         (maybe_diag_offset_bounds): Rename...
2986         (maybe_diag_access_bounds): ...to this.
2987         (check_bounds_or_overlap): Adjust for name change above.
2988
2989 2019-02-11  Martin Sebor  <msebor@redhat.com>
2990
2991         PR c++/87996
2992         * builtins.c (max_object_size): Move from here...
2993         * builtins.h (max_object_size): ...and here...
2994         * tree.c (max_object_size): ...to here...
2995         * tree.h (max_object_size): ...and here.
2996
2997 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
2998
2999         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
3000         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
3001         for correct semantics.
3002
3003 2019-02-11  Alan Modra  <amodra@gmail.com>
3004
3005         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
3006         -mlongcall and -mpltseq.
3007         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
3008         (RS/6000 and PowerPC Options <-mpltseq>): Document.
3009         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
3010         * config/rs6000/sysv4.opt (mpltseq): New option.
3011         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
3012         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
3013         support is lacking.  Don't allow -mpltseq with -mbss-plt.
3014         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
3015         -mpltseq given for ELFv1.
3016         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
3017         Only use UNSPEC_PLTSEQ for inline PLT calls.
3018         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
3019         use UNSPEC_PLTSEQ for inline PLT calls.
3020         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
3021         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
3022         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
3023         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
3024         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
3025         (pltseq_mtctr_<mode>): Likewise.
3026
3027 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3028
3029         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
3030         Solaris ld.
3031         * configure: Regenerate.
3032
3033 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
3034
3035         PR bootstrap/88714
3036         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
3037         instead of r.
3038
3039 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
3040
3041         * function.c (assign_parm_setup_block): Use the stored
3042         size, not the passed size, when allocating stack-space,
3043         also for a parameter with alignment larger than
3044         MAX_SUPPORTED_STACK_ALIGNMENT.
3045
3046 2019-02-11  Martin Liska  <mliska@suse.cz>
3047
3048         PR ipa/89009
3049         * ipa-cp.c (build_toporder_info): Remove usage of a param.
3050         * ipa-inline.c (inline_small_functions): Likewise.
3051         * ipa-pure-const.c (propagate_pure_const): Likewise.
3052         (propagate_nothrow): Likewise.
3053         * ipa-reference.c (propagate): Likewise.
3054         * ipa-utils.c (struct searchc_env): Remove unused field.
3055         (searchc): Always search across AVAIL_INTERPOSABLE.
3056         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
3057         the only called IPA pure const can properly not propagate
3058         across interposable boundary.
3059         * ipa-utils.h (ipa_reduced_postorder): Remove param.
3060
3061 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
3062
3063         * config/nds32/nds32.md (call_internal, call_value_internal,
3064         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
3065
3066 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
3067
3068         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
3069         typo.
3070
3071 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
3072
3073         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
3074         in comments
3075
3076 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
3077
3078         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
3079
3080 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
3081
3082         PR tree-optimization/89268
3083         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
3084         if preds is non-NULL.
3085
3086 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3087
3088         PR lto/89272
3089         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
3090         polymorphic types.
3091
3092 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
3093
3094         * config/nds32/nds32.md (trap): New pattern.
3095
3096 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
3097
3098         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
3099         dwarf span.
3100
3101 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
3102
3103         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
3104         to split POST_INC.
3105
3106 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3107
3108         * ipa-visibility.c (localize_node): Also do not localize
3109         LDPR_PREVAILING_DEF_IRONLY_EXP.
3110
3111 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3112
3113         PR lto/87957
3114         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
3115         instead of type_with_linkage.
3116
3117 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
3118
3119         PR ipa/88755
3120         * params.def (uninlined-function-insns, uninlined-function-time,
3121         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
3122         bound so we don't get overflows.
3123
3124 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
3125
3126         * config/rs6000/rs6000-string.c (expand_compare_loop,
3127         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
3128         memcmp/strncmp.
3129
3130 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
3131
3132         PR middle-end/89246
3133         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3134         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
3135         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
3136
3137 2019-02-09  Alan Modra  <amodra@gmail.com>
3138
3139         PR target/88343
3140         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
3141         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
3142         setup.
3143
3144 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
3145
3146         PR middle-end/88560
3147         * lra-constraints.c (process_alt_operands): Don't increase reject
3148         for memory when offset memory is required.
3149
3150 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
3151
3152         * config/s390/vector.md: Implement vector copysign.
3153
3154 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
3155
3156         * expr.c (expand_constructor): Correct indentations.
3157
3158 2019-02-08  Richard Biener  <rguenther@suse.de>
3159
3160         PR tree-optimization/89247
3161         * tree-if-conv.c: Include tree-cfgcleanup.h.
3162         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
3163         (tree_if_conversion): Pass through predicate vector.
3164         (pass_if_conversion::execute): Do CFG cleanup and SSA update
3165         inline, see if any if-converted loops we refrece in
3166         LOOP_VECTORIZED calls vanished and fixup.
3167         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
3168
3169 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
3170
3171         * config/s390/constraints.md (jdd): New constraint.
3172
3173 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
3174
3175         PR target/89229
3176         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
3177         upper 16 vector registers without TARGET_AVX512VL.
3178         (*movti_internal): Likewise.
3179
3180 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
3181
3182         PR rtl-optimization/89234
3183         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
3184         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
3185         (copy_reg_eh_region_note_backward): Likewise.
3186
3187 2019-02-08  Richard Biener  <rguenther@suse.de>
3188
3189         PR middle-end/89223
3190         * tree-data-ref.c (initialize_matrix_A): Fail if constant
3191         doesn't fit in HWI.
3192         (analyze_subscript_affine_affine): Handle failure from
3193         initialize_matrix_A.
3194
3195 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
3196
3197         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
3198         cfun everywhere.
3199
3200 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
3201
3202         PR tree-optimization/86637
3203         PR tree-optimization/89235
3204         * tree-vect-loop.c (optimize_mask_stores): Add an
3205         auto_purge_vect_location sentinel to ensure that vect_location is
3206         purged on exit.
3207         * tree-vectorizer.c
3208         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
3209         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
3210         to ensure that vect_location is purged on exit.
3211         (pass_slp_vectorize::execute): Likewise, replacing the manual
3212         reset.
3213         * tree-vectorizer.h (class auto_purge_vect_location): New class.
3214
3215 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3216
3217         * config/aarch64/iterators.md (max_opp): New code_attr.
3218         (USMAX): New code iterator.
3219         * config/aarch64/predicates.md (aarch64_smin): New predicate.
3220         (aarch64_smax): Likewise.
3221         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
3222         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
3223         MINUS (MAX MIN).
3224
3225 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
3226
3227         PR target/89229
3228         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
3229         for TARGET_AVX512VL.
3230         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
3231
3232 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
3233
3234         * config/s390/s390-builtin-types.def: Add new types.
3235         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
3236         (s390_vec_xlw4): Make the memory operand into a const pointer.
3237         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
3238         float.
3239         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
3240         a new vector type with the alignment of the scalar memory operand.
3241
3242 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
3243             Jakub Jelinek  <jakub@redhat.com>
3244
3245         PR bootstrap/88714
3246         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
3247         arm_count_ldrdstrd_insns): New declarations.
3248         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
3249         MINUS.
3250         (valid_operands_ldrd_strd): New function.
3251         (arm_count_ldrdstrd_insns): New function.
3252         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
3253         sets instead of single DImode set and define new insns to match this.
3254
3255 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
3256
3257         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
3258         Make it a C initializer.
3259
3260 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
3261
3262         PR/target 88850
3263         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
3264
3265 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3266
3267         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
3268         Use neon_dot<q> for type.
3269         (neon_<sup>dot_lane<vsi2qi>): Likewise.
3270
3271 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3272
3273         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
3274         Use neon_dot<q> for type.
3275         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
3276         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
3277
3278 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
3279
3280         PR rtl-optimization/89225
3281         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
3282         sizes check.
3283
3284 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
3285
3286         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
3287         after restoring registers saved to allocate the frame on Windows.
3288
3289 2019-02-06  Richard Biener  <rguenther@suse.de>
3290
3291         PR tree-optimization/89182
3292         * graphite.h (cached_scalar_evolution_in_region): Declare.
3293         * graphite.c (struct seir_cache_key): New.
3294         (struct sese_scev_hash): Likewise.
3295         (seir_cache): New global.
3296         (cached_scalar_evolution_in_region): New function.
3297         (graphite_transform_loops): Allocate and release seir_cache.
3298         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
3299         cached_scalar_evolution_in_region.
3300         * graphite-scop-detection.c (scop_detection::can_represent_loop):
3301         Simplify.
3302         (scop_detection::graphite_can_represent_expr: Use
3303         cached_scalar_evolution_in_region.
3304         (scop_detection::stmt_simple_for_scop_p): Likewise.
3305         (find_params_in_bb): Likewise.
3306         (gather_bbs::before_dom_children): Likewise.
3307         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
3308         (add_loop_constraints): Likewise.
3309
3310 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR middle-end/89210
3313         * fold-const-call.c (fold_const_vec_convert): Pass true as last
3314         operand to new_unary_operation only if both element types are integral
3315         and it isn't a widening conversion.  Return NULL_TREE if
3316         new_unary_operation failed.
3317
3318 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
3319
3320         PR target/88856
3321         * config/s390/s390.md: Remove load and test FP splitter.
3322
3323 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
3324
3325         PR target/89112
3326         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
3327         expand_compare_loop, expand_block_compare_gpr,
3328         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
3329         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
3330         #include "profile-count.h" and "predict.h" for types and functions
3331         needed to work with REG_BR_PROB notes.
3332
3333 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
3334
3335         PR target/89112
3336         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
3337         for the long branch case.
3338
3339 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
3340
3341         PR target/89188
3342         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
3343         can throw, non-call exceptions are enabled and we can't delete
3344         dead exceptions or alter cfg.  Set must_clean if
3345         delete_insn_and_edges returns true, don't set it blindly for calls.
3346         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
3347
3348         PR rtl-optimization/89195
3349         * combine.c (make_extraction): For MEMs, don't extract bytes outside
3350         of the original MEM.
3351
3352 2019-02-05  Martin Liska  <mliska@suse.cz>
3353
3354         PR gcov-profile/89000
3355         * gcov.c (function_summary): Remove argument.
3356         (file_summary): New function.
3357         (print_usage): Replace tabs with spaces.
3358         (generate_results): Use new function file_summary.
3359
3360 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
3361
3362         PR target/89186
3363         * optabs.c (prepare_cmp_insn): Pass x and y to
3364         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
3365
3366 2019-02-05  Richard Biener  <rguenther@suse.de>
3367
3368         PR middle-end/89150
3369         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
3370         (struct bitmap_element): Drop chain_prev so we properly recurse on
3371         the prev member, supporting tree views.
3372         (struct bitmap_head): GTY skip the obstack member.
3373
3374 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
3375
3376         PR c/88698
3377         * doc/extend.texi (Vector Extensions): Add an example of using vector
3378         types together with x86 intrinsics.
3379
3380 2019-02-04  Alan Modra  <amodra@gmail.com>
3381
3382         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
3383         str[] size to 160, and comment.
3384
3385 2019-02-04  Alan Modra  <amodra@gmail.com>
3386
3387         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
3388         (rs6000_pltseq_template): Guard output of TLS markers with
3389         TARGET_TLS_MARKERS.
3390         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
3391         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
3392         to use inline PLT sequences.
3393         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
3394         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
3395         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
3396
3397 2019-02-04  Martin Liska  <mliska@suse.cz>
3398
3399         PR ipa/88985
3400         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
3401         out when ipa_fn_summaries does not contain entry for callee.
3402
3403 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
3404
3405         * config/sparc/sparc.h: Remove superfluous blank lines.
3406         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
3407         (got_register_rtx): ...this.
3408         (sparc_got): Adjust to above renaming.
3409         (sparc_tls_got): Likewise.
3410         (sparc_delegitimize_address): Likewise.
3411         (sparc_output_mi_thunk): Likewise.
3412         (sparc_init_pic_reg): Likewise.
3413         (save_local_or_in_reg_p): Fix test on the GOT register.
3414         (USE_HIDDEN_LINKONCE): Move around.
3415         (get_pc_thunk_name): Likewise.
3416         (gen_load_pcrel_sym): Likewise.
3417         (load_got_register): Likewise.
3418
3419 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
3420
3421         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
3422         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
3423
3424 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
3425
3426         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
3427         into consideration.
3428
3429 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
3430
3431         * config.gcc (with_nds32_lib, glibc):
3432         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
3433         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
3434         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
3435
3436 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
3437
3438         PR target/89071
3439         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
3440         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
3441         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
3442         (*rcpsf2_sse): Ditto.
3443         (*rsqrtsf2_sse): Ditto.
3444         (sse4_1_round<mode<2): Ditto.
3445
3446 2019-02-03  Richard Biener  <rguenther@suse.de>
3447
3448         PR debug/87295
3449         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
3450         orig.
3451
3452 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
3453
3454         PR middle-end/87887
3455         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
3456         Punt with warning on aggregate return or argument types.  Ignore
3457         type/mode checking for uniform arguments.
3458
3459 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3460
3461         * combine.c (try_combine): Do not print "Can't combine" messages unless
3462         printing failed combination attempts.
3463
3464 2019-02-01  Martin Jambor  <mjambor@suse.cz>
3465
3466         PR hsa/87863
3467         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
3468         segment and global segment variables before making them static.
3469
3470 2019-02-01  Martin Jambor  <mjambor@suse.cz>
3471
3472         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
3473         missed optimization dump with dump_enabled_p.
3474
3475 2019-02-01  Richard Biener  <rguenther@suse.de>
3476
3477         PR middle-end/88597
3478         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
3479         the instantiate cache.
3480         (instantiate_scev_binary): Elide second operand procesing
3481         if equal to the first.
3482         * tree-chrec.c (chrec_contains_symbols): Add visited set.
3483         (chrec_contains_undetermined): Likewise.
3484         (tree_contains_chrecs): Likewise.
3485
3486 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
3487
3488         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
3489
3490 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
3491
3492         PR tree-optimization/89143
3493         * wide-int-range.h (wide_int_range_absu): Declare.
3494         * wide-int-range.cc (wide_int_range_absu): New function.
3495         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
3496
3497         PR tree-optimization/88107
3498         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
3499         instead of assertion that eh_region_outermost is non-NULL, if it
3500         is NULL, set *ALL to true and return NULL.
3501         (move_sese_region_to_fn): Adjust caller, if all is set, call
3502         duplicate_eh_regions with NULL region.
3503
3504 2019-02-01  Richard Biener  <rguenth@suse.de>
3505
3506         PR rtl-optimization/88593
3507         * mode-switching.c (optimize_mode_switching): Free dominators before
3508         calling cleanup_cfg.
3509
3510 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3511
3512         PR tree-optimization/88932
3513         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
3514
3515 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
3516
3517         PR middle-end/89137
3518         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
3519         bogus clang warning.
3520
3521 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
3522
3523         PR target/89071
3524         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
3525         alternative to avoid partial SSE register stall for TARGET_AVX.
3526         (truncdfsf2): Ditto.
3527         (sse4_1_round<mode>2): Ditto.
3528
3529 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
3530
3531         PR tree-optimization/89008
3532         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
3533         process anything of the form X * 0.
3534
3535 2019-01-31  Richard Biener  <rguenther@suse.de>
3536
3537         PR tree-optimization/89135
3538         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
3539         with abnormal preds.
3540
3541 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
3542
3543         PR sanitizer/89124
3544         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
3545         always_inline callees into no_sanitize_address callers.
3546
3547 2019-01-31  Richard Biener  <rguenther@suse.de>
3548
3549         PR rtl-optimization/89115
3550         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
3551
3552 2019-01-30  Martin Sebor  <msebor@redhat.com>
3553
3554         PR other/89106
3555         * doc/extend.texi (cast to a union): Correct and expand.
3556
3557 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
3558
3559         PR rtl-optimization/87246
3560         * lra-constraints.c (simplify_operand_subreg): Reload memory
3561         in subreg if the address became invalid.
3562
3563 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
3564
3565         PR target/87064
3566         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
3567         Disable for little-endian.
3568
3569 2019-01-30  Richard Biener  <rguenther@suse.de>
3570
3571         PR rtl-optimization/89115
3572         * opts.c (default_options_optimization): Reduce
3573         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
3574         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
3575         to the default.
3576
3577 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3578
3579         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
3580         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
3581         type of vector element when vec_extract is implemented by direct
3582         move.
3583
3584 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
3585
3586         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
3587
3588 2019-01-30  Richard Biener  <rguenther@suse.de>
3589
3590         PR tree-optimization/89111
3591         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
3592         canonicalization to appropriately sized access types.
3593
3594 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
3595
3596         PR c++/89105
3597         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
3598         for arguments to functions that are TU-local and shouldn't be
3599         referenced by assembly.
3600
3601 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
3602
3603         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
3604         after '='.
3605
3606 2019-01-29  Martin Sebor  <msebor@redhat.com>
3607
3608         PR c/88956
3609         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
3610
3611 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
3612
3613         PR c++/66676
3614         PR ipa/89104
3615         * omp-simd-clone.c (simd_clone_clauses_extract)
3616         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
3617         OMP_CLAUSE_ALIGNED_ALIGNMENT.
3618
3619 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
3620
3621         * config.gcc: Force .init_array for ARC.
3622
3623 2019-01-29  Richard Biener  <rguenther@suse.de>
3624
3625         PR debug/87295
3626         * dwarf2out.c (collect_skeleton_dies): New helper.
3627         (copy_decls_for_unworthy_types): Call it.
3628         (build_abbrev_table): Assert we do not try to replace
3629         DW_AT_signature refs with local refs.
3630
3631 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
3632
3633         PR middle-end/89002
3634         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
3635         for lastprivate/linear IV, push gimplify context around gimplify_assign
3636         and, if it needed any temporaries, pop it into a gimple bind around the
3637         sequence.
3638
3639 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3640
3641         * common.opt (-Wattribute-alias): Remove "no-" from name.
3642         Make -Wattribute-alias command line option and
3643         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
3644
3645 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
3646
3647         PR target/89073
3648         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
3649         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
3650         x86 ISA options.
3651         (bmi2): Add missing @opindex.
3652         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
3653         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
3654         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
3655         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
3656         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
3657         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
3658         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
3659         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
3660         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
3661         xsavec, xsaveopt and xsaves options.
3662
3663 2019-01-28  Richard Biener  <rguenther@suse.de>
3664
3665         PR debug/89076
3666         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
3667         support removal.
3668
3669 2019-01-28  Richard Biener  <rguenther@suse.de>
3670
3671         PR tree-optimization/88739
3672         * tree-cfg.c (verify_types_in_gimple_reference): Verify
3673         BIT_FIELD_REFs only are applied to mode-precision operands
3674         when they are integral.
3675         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
3676         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
3677         BIT_FIELD_REFs of non-mode-precision integral operands.
3678
3679 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
3680
3681         PR target/87214
3682         * config/i386/sse.md
3683         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
3684         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
3685         first constants in pairs are multiples of 2.  Formatting fixes.
3686         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
3687         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
3688         first constants in each quadruple are multiples of 4.  Formatting fixes.
3689
3690 2019-01-26  Martin Jambor  <mjambor@suse.cz>
3691
3692         PR ipa/88933
3693         * tree-inline.c: Include tree-cfgcleanup.h.
3694         (delete_unreachable_blocks_update_callgraph): Move...
3695         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
3696         ...here, make externally visible, make second argument bool, adjust
3697         all callers.
3698         * tree-cfgcleanup.c: Include cgraph.h.
3699         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
3700         Declare.
3701         * ipa-prop.c: Include tree-cfgcleanup.h.
3702         (ipcp_transform_function): Call
3703         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
3704
3705 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
3706
3707         PR rtl-optimization/88846
3708         * ira.c (process_set_for_memref_referenced_p): New.
3709         (memref_referenced_p): Add new param.  Use
3710         process_set_for_memref_referenced_p.  Add new switch cases.
3711         (memref_used_between_p): Pass new arg to memref_referenced_p.
3712
3713 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
3714
3715         PR target/88469
3716         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
3717         argument ABI_BREAK.  Set to true if the calculated alignment has
3718         changed in gcc-9.  Check bit-fields for their base type alignment.
3719         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
3720         (aarch64_function_arg_boundary): Likewise.
3721         (aarch64_gimplify_va_arg_expr): Likewise.
3722
3723 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
3724
3725         PR middle-end/89037
3726         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
3727         instead of accessing TREE_INT_CST_ELT directly.
3728
3729 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
3730
3731         * doc/sourcebuild.texi (Environment attributes): Add fenv and
3732         fenv_exceptions description.
3733
3734 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
3735
3736         PR rtl-optimization/87763
3737         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
3738         Allow SUBREG when matching CC_NZmode compare.
3739
3740 2019-01-25  Richard Biener  <rguenther@suse.de>
3741
3742         PR tree-optimization/89049
3743         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
3744         Look at the pattern stmt to determine if the stmt is vectorized.
3745
3746 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
3747
3748         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
3749         (pred_mov<mode>): Handle all-register forms using both a new
3750         alternative and a split.
3751
3752 2019-01-25  Richard Biener  <rguenther@suse.de>
3753
3754         PR tree-optimization/86865
3755         * graphite-scop-detection.c (scop_detection::can_represent_loop):
3756         Reject non-do-while loops.
3757
3758 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
3759
3760         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
3761         * config/rs6000/constraints.md (Q constraint): Use REG_P.
3762         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
3763         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
3764         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
3765         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3766         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
3767         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
3768         vlogical_operand, gpc_reg_operand, int_reg_operand,
3769         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
3770         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
3771         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
3772         (save_world_operation, restore_world_operation, lmw_operation,
3773         stmw_operation): Use MEM_P and REG_P.
3774         (tie_operand): Use MEM_P.
3775         (vrsave_operation, crsave_operation): Use REG_P.
3776         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
3777         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
3778         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
3779         (call_operand): Use HARD_REGISTER_P.
3780         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
3781         Use CONST_INT_P.
3782         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
3783         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
3784         quad_aligned_load_p, replace_swapped_aligned_store,
3785         recombine_lvx_pattern, replace_swapped_aligned_load,
3786         recombine_stvx_pattern): Use MEM_P.
3787         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
3788         Use MEM_P and SYMBOL_REF_P.
3789         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
3790         (insn_is_swappable_p): Use REG_P and MEM_P.
3791         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
3792         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
3793         Use CONST_INT_P.
3794         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
3795         Use CONST_DOUBLE_P.
3796         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
3797         CONST_WIDE_INT_P.
3798         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
3799         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
3800         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
3801         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
3802         reg_or_subregno:
3803         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
3804         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
3805         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
3806         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
3807         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
3808         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
3809         rs6000_split_logical_di): Use CONST_INT_P.
3810         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
3811         REG_P and SYMBOL_REF_P.
3812         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
3813         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
3814         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
3815         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
3816         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
3817         (small_data_operand, print_operand_address): Use CONST_INT_P and
3818         SYMBOL_REF_P.
3819         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
3820         (rs6000_init_hard_regno_mode_ok, direct_move_p):
3821         Use HARD_REGISTER_NUM_P.
3822         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
3823         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
3824         SUBREG_P and SYMBOL_REF_P.
3825         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
3826         and HARD_REGISTER_NUM_P.
3827         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
3828         reg_or_subregno.
3829         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
3830         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
3831         MEM_P and REG_P.
3832         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
3833         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
3834         find_addr_reg): Use REG_P.
3835         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
3836         (rs6000_emit_le_vsx_move): Use SUBREG_P.
3837         (offsettable_ok_by_alignment, constant_pool_expr_p,
3838         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
3839         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
3840         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
3841         rs6000_assemble_integer, create_TOC_reference,
3842         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
3843         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
3844         (rs6000_split_vec_extract_var): Use reg_or_subregno.
3845         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
3846         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
3847         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3848         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3849         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
3850         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
3851         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
3852         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
3853         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
3854         and cbranch<mode>4): Use CONST_INT_P.
3855         (multiple define_splits): Use REG_P and SUBREG_P.
3856         (define_expands call, call_value): Use MEM_P.
3857         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
3858         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
3859         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
3860         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
3861         and HARD_REGISTER_NUM_P.
3862         (multiple define_splits): Use HARD_REGISTER_NUM_P.
3863
3864 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
3865
3866         PR rtl-optimization/88948
3867         * rtl.h (prepare_copy_insn): New prototype.
3868         * gcse.c (prepare_copy_insn): New function, split out from
3869         process_insert_insn.
3870         (process_insert_insn): Use prepare_copy_insn.
3871         * store-motion.c (replace_store_insn): Use prepare_copy_insn
3872         instead of gen_move_insn.
3873
3874 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
3875
3876         PR debug/89006
3877         * config/i386/i386.c (ix86_pic_register_p): Return true for
3878         UNSPEC_SET_GOT too.
3879
3880         PR tree-optimization/88964
3881         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
3882         punt if HONOR_SNANS (chrec).
3883
3884         PR middle-end/89015
3885         * tree-nested.c (convert_nonlocal_reference_stmt,
3886         convert_local_reference_stmt, convert_tramp_reference_stmt,
3887         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
3888         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
3889         or GIMPLE_OMP_TASK.
3890
3891         PR tree-optimization/89027
3892         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
3893         for "omp simd array" variables.
3894
3895 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
3896
3897         PR target/88469
3898         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
3899         force the alignment of m_val.
3900
3901 2019-01-24  Richard Biener  <rguenther@suse.de>
3902
3903         PR lto/87187
3904         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
3905         When in "legacy" debug mode make sure to reset self-origins.
3906
3907 2019-01-24  Martin Liska  <mliska@suse.cz>
3908
3909         PR gcov-profile/88994
3910         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
3911         result will be always smaller or equal to the original.
3912         * gcov.c (mangle_name): Fix else branch where we should
3913         also copy to PTR and shift the pointer.
3914
3915 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
3916
3917         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
3918         * vr-values.c (find_case_label_ranges): Fix a comment typo.
3919
3920 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
3921             Steve Ellcey <sellcey@marvell.com>
3922
3923         PR target/85711
3924         * recog.c (address_operand): Return false on wrong mode for address.
3925         (constrain_operands): Check for mode with 'p' constraint.
3926
3927 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
3928
3929         PR target/88998
3930         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
3931         Disparage MMX alternative.
3932         (sse2_cvtpd2pi): Ditto.
3933         (sse2_cvttpd2pi): Ditto.
3934
3935 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
3936
3937         PR driver/89014
3938         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
3939         use-after-free of the result of
3940         aarch64_get_extension_string_for_isa_flags.
3941
3942 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3943
3944         PR c/44715
3945         * doc/extend.texi: Document break and continue behavior in
3946         statement expressions.
3947
3948 2019-01-23  Richard Biener  <rguenther@suse.de>
3949
3950         PR tree-optimization/89008
3951         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
3952         not leave another stray operand.
3953
3954 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3955
3956         * BASE-VER: Bump to 9.0.1.
3957
3958 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3959
3960         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
3961         thunk that returns by reference, use the type of the return object
3962         of the thunk instead of that of the alias to build the dereference.
3963
3964 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
3965
3966         * config/arc/atomic.md: Add operand to DMB instruction.
3967
3968 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3969
3970         PR tree-optimization/88964
3971         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
3972         build_zero_cst instead of build_int_cst.  Return false for loop
3973         invariants which honor signed zeros.
3974
3975 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
3976
3977         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
3978
3979 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
3980
3981         PR target/88965
3982         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
3983         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
3984         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
3985
3986         PR middle-end/88968
3987         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
3988         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
3989
3990         PR target/87064
3991         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
3992         Disable for little endian.
3993
3994 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
3995
3996         PR target/88469
3997         * config/arm/arm.c (arm_needs_double_word_align): Check
3998         DECL_BIT_FIELD_TYPE.
3999
4000 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
4001             H.J. Lu  <hongjiu.lu@intel.com>
4002
4003         PR target/88909
4004         * config/i386/i386-builtin.def: Add mask2 to all builtin
4005         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
4006         SPECIAL_ARGS.
4007         * config/i386/i386.c (BDESC): Add mask2 to the definition.
4008         (BDESC_FIRST): Likewise.
4009         (define_builtin): Add an argument for mask2.  Updated to handle
4010         both ix86_isa_flags and ix86_isa_flags2.
4011         (define_builtin_const): Likewise.
4012         (define_builtin_pure): Likewise.
4013         (define_builtin2): Deleted.
4014         (define_builtin_const2): Likewise.
4015         (builtin_description): Add a member, mask2.
4016         (bdesc_*): Add mask2 to builtin initializations.
4017         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
4018         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
4019         support.
4020         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
4021
4022 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4023
4024         PR target/88954
4025         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
4026         noplt attribute.
4027
4028 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
4029
4030         PR target/88469
4031         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
4032         alignment is dominated by a bitfield with 64-bit aligned base type.
4033         (arm_function_arg): Emit a warning if the alignment has changed since
4034         earlier GCC releases.
4035         (arm_function_arg_boundary): Likewise.
4036         (arm_setup_incoming_varargs): Likewise.
4037
4038 2019-01-22  Richard Biener  <rguenther@suse.de>
4039
4040         PR tree-optimization/88862
4041         * graphite-scop-detection.c
4042         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
4043
4044 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
4045
4046         * doc/extend.tex (AMD GCN Function Attributes): New section.
4047         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
4048         * doc/invoke.texi (AMD GCN Options): New section.
4049         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
4050
4051 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4052
4053         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
4054         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
4055
4056 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
4057
4058         PR tree-optimization/88044
4059         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
4060         is false in the first iteration, but !every_iteration, return false
4061         instead of true with niter->niter zero.
4062
4063         PR rtl-optimization/88904
4064         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
4065         any nonequal registers before processing BB_END (b).
4066
4067         PR target/88905
4068         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
4069         GET_MODE (op0).
4070         (expand_binop_directly, expand_doubleword_clz,
4071         expand_doubleword_popcount, expand_ctz, expand_ffs,
4072         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
4073
4074         PR rtl-optimization/49429
4075         PR target/49454
4076         PR rtl-optimization/86334
4077         PR target/88906
4078         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
4079         addressable from here...
4080         (emit_block_op_via_libcall): ... to here.
4081
4082 2019-01-22  Richard Biener  <rguenther@suse.de>
4083
4084         * tree-vect-loop.c (vect_analyze_loop_operations): Use
4085         auto_vec for cost vector to fix memleak.
4086         (vectorize_fold_left_reduction): Properly gather SLP defs.
4087         (vectorizable_comparison): Do not swap operands to properly
4088         gather SLP defs.
4089
4090 2019-01-22  Alan Modra  <amodra@gmail.com>
4091
4092         PR target/88614
4093         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
4094         stays a reg.  Allow a const_int.
4095         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
4096         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
4097         (IS_NOMARK_TLSGETADDR): Define.
4098         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
4099         (rs6000_output_tlsargs): New function.
4100         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
4101         __tls_get_addr call takes an arg.
4102         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
4103         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
4104         delete split..
4105         (call_value_nonlocal_sysv): ..or here, delete split.
4106         (tls_gdld_nomark): Delete.
4107         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
4108         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
4109         (call_value_nonlocal_sysv): Likewise.
4110         (call_value_nonlocal_sysv_secure): Likewise.
4111         (call_value_nonlocal_aix): Likewise.
4112         (call_value_indirect_aix): Likewise.
4113         (call_value_indirect_elfv2): Likewise.
4114         (call_value_local32, call_value_local64): Disable for no-mark tls.
4115         (call_value_local_aix): Likewise.
4116
4117 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
4118
4119         PR target/88938
4120         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
4121         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
4122
4123 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
4124
4125         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
4126         string contents as hash_map keys.
4127
4128 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4129
4130         PR c/88928
4131         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
4132         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
4133         instead of TYPE_ALIGN.
4134         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
4135         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
4136         pointer from TYPE_STUB_DECL.
4137
4138 2019-01-21  Richard Biener  <rguenther@suse.de>
4139
4140         PR tree-optimization/88934
4141         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
4142         at the possibly non-constant operand.
4143         (vect_get_constant_vectors): Adjust.
4144
4145 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4146
4147         PR target/71659
4148         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
4149         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
4150         instead of _X86INTRIN_H_INCLUDED.
4151         * onfig/i386/clwbintrin.h: Likewise.
4152         * config/i386/pkuintrin.h: Likewise.
4153         * config/i386/prfchwintrin.h: Likewise.
4154         * config/i386/rdseedintrin.h: Likewise.
4155         * config/i386/wbnoinvdintrin.h: Likewise.
4156         * config/i386/xsavecintrin.h: Likewise.
4157         * config/i386/xsavesintrin.h: Likewise.
4158         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
4159         * config/i386/xsaveintrin.h: Likewise.
4160         * config/i386/xsaveoptintrin.h: Likewise.
4161         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
4162         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
4163         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
4164         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
4165         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
4166         * config/i386/immintrin.h: Here.
4167
4168 2019-01-20  Martin Jambor  <mjambor@suse.cz>
4169
4170         PR ipa/87615
4171         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
4172         with aa_walk_budget.
4173         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
4174         aa_walk_budget_p parameter.
4175         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
4176         walk.  Updated all callers.
4177         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
4178         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
4179         unmodified_parm.
4180         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
4181         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
4182         and to unmodified_parm.
4183         (phi_result_unknown_predicate): New parameter fbi, removed parameter
4184         info, updated call to will_be_nonconstant_expr_predicate.
4185         (param_change_prob): New parameter fbi, limit AA walking.
4186         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
4187         calls to various above functions.
4188         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
4189         parameter.  Use it to limit AA walking.
4190         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
4191         fbi, limit AA walk.
4192         (detect_type_change): New parameter fbi, pass it on to
4193         detect_type_change_from_memory_writes.
4194         (detect_type_change_ssa): Likewise.
4195         (aa_overwalked): Removed.
4196         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
4197         accordingly, adjust to the neew AA limiting scheme.
4198         (parm_ref_data_preserved_p): Likewise.
4199         (ipa_compute_jump_functions_for_edge): Adjust call to
4200         get_dynamic_type.
4201         (ipa_analyze_call_uses): Likewise.
4202         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
4203         (ipa_analyze_node): Initialize aa_walk_budget.
4204         (ipcp_transform_function): Likewise.
4205         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
4206         to get_dynamic_type.
4207
4208 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
4209
4210         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
4211         outside of #if CHECKING_P code.
4212
4213 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
4214
4215         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
4216         New function, split out from...
4217         (loop_versioning::analyze_stride): ...here.
4218         (loop_versioning::find_per_loop_multiplication): Use gassign.
4219         (loop_versioning::analyze_term_using_scevs): Return a success code.
4220         (loop_versioning::analyze_arbitrary_term): New function.
4221         (loop_versioning::analyze_address_fragment): Use
4222         analyze_arbitrary_term if all else fails.
4223
4224 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
4225
4226         PR target/88892
4227         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
4228         operands.
4229
4230 2019-01-18  Richard Biener  <rguenther@suse.de>
4231
4232         PR tree-optimization/88903
4233         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
4234         scalar stmts a SLP shift amount is composed of when detecting
4235         shifts by scalars.
4236
4237 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
4238
4239         PR target/88799
4240         * config/arm/arm-cpus.in (mp): New feature.
4241         (sec): New feature.
4242         (fgroup ARMv7ve): Add mp and sec features.
4243         (arch armv7-a): Add options to allow mp and sec extensions.
4244         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
4245         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
4246         extenstions to the base architecture.
4247         (cpu cortex-a8): Add sec extension to the base architecture.
4248         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
4249         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
4250         variants down to the base v7-a varaint.
4251         * config/arm/t-multilib (v7_a_arch_variants): New variable.
4252         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
4253         of permitted extensions for -march=armv7-a and for
4254         -mcpu=generic-armv7-a.
4255
4256 2019-01-18  Martin Liska  <mliska@suse.cz>
4257
4258         * params.def: Fix comment.
4259         * tree-profile.c (gimple_init_gcov_profiler): Bump function
4260         name.
4261         (gimple_gen_ic_func_profiler): Likewise.
4262
4263 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4264
4265         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
4266         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
4267         and put in error checks for stack protector guard options.
4268         (aarch64_stack_protect_guard): New.
4269         (TARGET_STACK_PROTECT_GUARD): Define.
4270         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
4271         (reg_stack_protect_address<mode>): New.
4272         (stack_protect_set): Adjust for SSP_GLOBAL.
4273         (stack_protect_test): Likewise.
4274         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
4275         (-mstack-protector-guard): Likewise.
4276         (-mstack-protector-guard-offset): Likewise.
4277
4278 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
4279
4280         PR tree-optimization/86214
4281         * tree-inline.h (struct copy_body_data): Add
4282         add_clobbers_to_eh_landing_pads member.
4283         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
4284         (copy_edges_for_bb): Call it if EH edge destination is <
4285         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
4286         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
4287         if flag_stack_reuse != SR_NONE and clear it afterwards.
4288
4289 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
4290
4291         PR target/85596
4292         * doc/install.texi (with-multilib-list): Document for aarch64.
4293
4294 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
4295
4296         PR target/88734
4297         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
4298         (("..."))) with ("...").
4299
4300 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4301
4302         * doc/extend.texi (Built-in Functions for Memory Model Aware
4303         Atomic Operations): Document atomic fetch and nand.
4304
4305 2019-01-18  Martin Liska  <mliska@suse.cz>
4306             Richard Biener  <rguenther@suse.de>
4307
4308         PR middle-end/88587
4309         * cgraph.h (create_version_clone_with_body): Add new argument
4310         with attributes.
4311         * cgraphclones.c (cgraph_node::create_version_clone): Add
4312         DECL_ATTRIBUTES to a newly created decl.  And call
4313         valid_attribute_p so that proper cl_target_optimization_node
4314         is set for the newly created declaration.
4315         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
4316         for declaration.
4317         (expand_target_clones): Do not call valid_attribute_p, it must
4318         be already done.
4319         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
4320         vector types.
4321
4322 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
4323
4324         PR target/88734
4325         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
4326         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
4327         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
4328
4329 2019-01-17  Martin Sebor  <msebor@redhat.com>
4330
4331         PR middle-end/88273
4332         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
4333         Handle anti-ranges the same as no range at all.
4334
4335 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
4336
4337         * config/aarch64/aarch64.c (cgraph.h): New include.
4338         (intl.h): New include.
4339         (supported_simd_type): New function.
4340         (currently_supported_simd_type): Ditto.
4341         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
4342         (aarch64_simd_clone_adjust): Ditto.
4343         (aarch64_simd_clone_usable): Ditto.
4344         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
4345         (TARGET_SIMD_CLONE_ADJUST): Ditto.
4346         (TARGET_SIMD_CLONE_USABLE): Ditto.
4347         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
4348         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
4349         call.
4350
4351 2019-01-17  Martin Sebor  <msebor@redhat.com>
4352
4353         PR tree-optimization/88800
4354         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
4355         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
4356         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
4357         redundant argument.  Add new argument and issue diagnostics under
4358         its control.  Detect out-of-bounds access even with warnings
4359         disabled.
4360         (check_bounds_or_overlap): Change return type.  Add argument.
4361         (wrestrict_dom_walker::check_call): Adjust.
4362         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
4363         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
4364         check_bounds_or_overlap's return value.
4365         (handle_builtin_stxncpy): Same.
4366         (handle_builtin_strcat): Same.
4367
4368 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4369             Kwok Cheung Yeung  <kcy@codesourcery.com>
4370             Julian Brown  <julian@codesourcery.com>
4371             Tom de Vries  <tom@codesourcery.com>
4372
4373         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
4374
4375 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4376
4377         * doc/sourcebuild.texi: Document dg-require-effective-target
4378         llvm_binutils and offload_gcn.
4379
4380 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4381             Kwok Cheung Yeung  <kcy@codesourcery.com>
4382             Julian Brown  <julian@codesourcery.com>
4383             Tom de Vries  <tom@codesourcery.com>
4384
4385         * doc/sourcebuild.texi: Document dg-required-effective-target
4386         exceptions.
4387
4388 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4389             Kwok Cheung Yeung  <kcy@codesourcery.com>
4390             Julian Brown  <julian@codesourcery.com>
4391             Tom de Vries  <tom@codesourcery.com>
4392             Jan Hubicka  <hubicka@ucw.cz>
4393             Martin Jambor  <mjambor@suse.cz>
4394
4395         * config.gcc: Add amdgcn*-*-amdhsa configuration.
4396         * configure.ac: Check for dlopen.
4397         * configure: Regenerate.
4398
4399 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4400             Kwok Cheung Yeung  <kcy@codesourcery.com>
4401             Julian Brown  <julian@codesourcery.com>
4402             Tom de Vries  <tom@codesourcery.com>
4403             Jan Hubicka  <hubicka@ucw.cz>
4404             Martin Jambor  <mjambor@suse.cz>
4405
4406         * common/config/gcn/gcn-common.c: New file.
4407         * config/gcn/driver-gcn.c: New file.
4408         * config/gcn/gcn-builtins.def: New file.
4409         * config/gcn/gcn-hsa.h: New file.
4410         * config/gcn/gcn-modes.def: New file.
4411         * config/gcn/gcn-opts.h: New file.
4412         * config/gcn/gcn-passes.def: New file.
4413         * config/gcn/gcn-protos.h: New file.
4414         * config/gcn/gcn-run.c: New file.
4415         * config/gcn/gcn-tree.c: New file.
4416         * config/gcn/gcn.c: New file.
4417         * config/gcn/gcn.h: New file.
4418         * config/gcn/gcn.opt: New file.
4419         * config/gcn/t-gcn-hsa: New file.
4420
4421 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
4422             Kwok Cheung Yeung  <kcy@codesourcery.com>
4423             Julian Brown  <julian@codesourcery.com>
4424             Tom de Vries  <tom@codesourcery.com>
4425             Jan Hubicka  <hubicka@ucw.cz>
4426             Martin Jambor  <mjambor@suse.cz>
4427
4428         * config/gcn/constraints.md: New file.
4429         * config/gcn/gcn-valu.md: New file.
4430         * config/gcn/gcn.md: New file.
4431         * config/gcn/predicates.md: New file.
4432
4433 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4434
4435         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
4436         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
4437         (stmt_uses_0_or_null_in_undefined_way): Likewise.
4438         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
4439
4440 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
4441
4442         PR target/88851
4443         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
4444         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
4445         it and document registers.
4446
4447 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4448
4449         * config/aarch64/aarch64.c (ares_tunings): Define.
4450         * config/aarch64/aarch64-cores.def (ares): Use the above.
4451
4452 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
4453
4454         PR target/88794
4455         Revert:
4456         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
4457
4458         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
4459         (_mm512_fixupimm_round_pd): Update parameters and builtin.
4460         (_mm512_maskz_fixupimm_round_pd): Ditto.
4461         (_mm512_fixupimm_round_ps): Ditto.
4462         (_mm512_maskz_fixupimm_round_ps): Ditto.
4463         (_mm_fixupimm_round_sd): Ditto.
4464         (_mm_maskz_fixupimm_round_sd): Ditto.
4465         (_mm_fixupimm_round_ss): Ditto.
4466         (_mm_maskz_fixupimm_round_ss): Ditto.
4467         (_mm512_fixupimm_pd): Ditto.
4468         (_mm512_maskz_fixupimm_pd): Ditto.
4469         (_mm512_fixupimm_ps): Ditto.
4470         (_mm512_maskz_fixupimm_ps): Ditto.
4471         (_mm_fixupimm_sd): Ditto.
4472         (_mm_maskz_fixupimm_sd): Ditto.
4473         (_mm_fixupimm_ss): Ditto.
4474         (_mm_maskz_fixupimm_ss): Ditto.
4475         (_mm512_mask_fixupimm_round_pd): Update builtin.
4476         (_mm512_mask_fixupimm_round_ps): Ditto.
4477         (_mm_mask_fixupimm_round_sd): Ditto.
4478         (_mm_mask_fixupimm_round_ss): Ditto.
4479         (_mm512_mask_fixupimm_pd): Ditto.
4480         (_mm512_mask_fixupimm_ps): Ditto.
4481         (_mm_mask_fixupimm_sd): Ditto.
4482         (_mm_mask_fixupimm_ss): Ditto.
4483         * config/i386/avx512vlintrin.h:
4484         (_mm256_fixupimm_pd): Update parameters and builtin.
4485         (_mm256_maskz_fixupimm_pd): Ditto.
4486         (_mm256_fixupimm_ps): Ditto.
4487         (_mm256_maskz_fixupimm_ps): Ditto.
4488         (_mm_fixupimm_pd): Ditto.
4489         (_mm_maskz_fixupimm_pd): Ditto.
4490         (_mm_fixupimm_ps): Ditto.
4491         (_mm_maskz_fixupimm_ps): Ditto.
4492         (_mm256_mask_fixupimm_pd): Update builtin.
4493         (_mm256_mask_fixupimm_ps): Ditto.
4494         (_mm_mask_fixupimm_pd): Ditto.
4495         (_mm_mask_fixupimm_ps): Ditto.
4496         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
4497         * config/i386/i386-builtin.def: Update builtin definitions.
4498         * config/i386/i386.c: Handle new builtin types and remove useless ones.
4499         * config/i386/sse.md: Update VFIXUPIMM* patterns.
4500         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4501         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4502         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
4503         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4504         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4505         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
4506         * config/i386/subst.md:
4507         (round_saeonly_sd_mask_operand4): Add new subst_attr.
4508         (round_saeonly_sd_mask_op4): Ditto.
4509         (round_saeonly_expand_operand5): Ditto.
4510         (round_saeonly_expand): Update.
4511
4512 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
4513
4514         PR target/88794
4515         Revert:
4516         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
4517
4518         * config/i386/sse.md: Combine VFIXUPIMM* patterns
4519         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4520         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4521         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
4522         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
4523         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
4524         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
4525
4526 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
4527
4528         PR target/88794
4529         Revert:
4530         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
4531
4532         PR target/88489
4533         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
4534         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
4535         instead of UNSPEC_FIXUPIMM.
4536
4537 2019-01-17  Richard Biener  <rguenther@suse.de>
4538
4539         PR lto/86736
4540         * dwarf2out.c (want_pubnames): Never generate pubnames sections
4541         and friends for the LTO part of debug info.
4542
4543 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
4544
4545         PR tree-optimization/86214
4546         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
4547         if x == y.
4548
4549         PR rtl-optimization/88870
4550         * dce.c (deletable_insn_p): Never delete const/pure calls that can
4551         throw if we can't alter the cfg or delete dead exceptions.
4552         (mark_insn): Don't call find_call_stack_args for such calls.
4553
4554 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
4555
4556         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
4557         prototypes for vec_st.
4558         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
4559         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
4560         mainly on signed/unsigned long long and double.
4561
4562 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
4563
4564         PR target/88861
4565         * combine.c (delete_noop_moves): Convert to "bool" return,
4566         returning true if any edges are eliminated.
4567         (combine_instructions): Also return true if delete_noop_moves
4568         returns true.
4569
4570 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
4571
4572         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
4573         correct max nunits for endian swap.
4574         (aarch64_expand_fcmla_builtin): Correct subreg code.
4575         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
4576         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
4577         lane endianness.
4578
4579 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
4580
4581         * config/alpha/alpha.c (alpha_gimplify_va_arg):
4582         Handle split indirect COMPLEX_TYPE arguments.
4583
4584 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
4585
4586         PR target/86891
4587         * config/aarch64/aarch64-modes.def: Add comment about how the carry
4588         bit is set by add and compare.
4589         (CC_ADC): New CC_MODE.
4590         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
4591         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
4592         comparison.  Add detection for CC_ADCmode.
4593         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
4594         CC_ADCmode.
4595         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
4596         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
4597         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
4598         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
4599         to eliminate the need for zero-extending the operands.
4600         (add<mode>3_compareC_imm): Delete.  Merge into ...
4601         (add<mode>3_compareC): ... this.  Restructure the comparison to
4602         eliminate the need for zero-extending the operands.
4603         (add<mode>3_carryin): Use LTU for the overflow detection.
4604         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
4605         Reexpress comparison for overflow.
4606         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
4607         (add<mode>3_carryinC): Likewise.
4608         (add<mode>3_carryinV): Use LTU for carry between partials.
4609         * config/aarch64/predicates.md (aarch64_carry_operation): Update
4610         handling of CC_Cmode and add CC_ADCmode.
4611         (aarch64_borrow_operation): Likewise.
4612
4613 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
4614
4615         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
4616         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
4617         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
4618         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
4619
4620 2019-01-16  Martin Liska  <mliska@suse.cz>
4621
4622         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
4623         for GCC driver.
4624         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
4625         a new argument.
4626         * gcc.c (add_sysrooted_hdrs_prefix): New function.
4627         (path_prefix_reset): Move up in the source file.
4628         (find_fortran_preinclude_file): Make complex search for the
4629         fortran header files.
4630
4631 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
4632
4633         * godump.c (go_output_typedef): When outputting a typedef, refer
4634         to the underlying type by its name and not its structure.
4635
4636 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
4637
4638         PR c++/88795
4639         * tree.c (build_function_type): Assert that arg_types is not
4640         error_mark_node.
4641
4642 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
4643
4644         PR inline-asm/52813
4645         * doc/extend.texi: Document that listing the stack pointer in the
4646         clobber list of an asm is a deprecated feature.
4647         * common.opt (Wdeprecated): Moved from c-family/c.opt.
4648         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
4649         warning instead of an error for clobbers of the stack pointer.
4650         Add a note explaining why.
4651
4652 2019-01-15  Richard Biener  <rguenther@suse.de>
4653
4654         PR debug/88046
4655         * dwarf2out.c (gen_member_die): Do not generate inheritance
4656         DIEs late.
4657
4658 2019-01-15  Richard Biener  <rguenther@suse.de>
4659
4660         PR tree-optimization/88855
4661         * tree-if-conv.c (combine_blocks): Collect
4662         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
4663
4664 2019-01-15  Tom de Vries  <tdevries@suse.de>
4665
4666         PR target/80547
4667         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
4668         lhs == NULL_TREE for gang-level reduction.
4669
4670 2019-01-15  Richard Biener  <rguenther@suse.de>
4671             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4672
4673         PR ipa/88788
4674         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
4675         return true if SSA_NAME is already marked in visited bitmap.
4676         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
4677
4678 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
4679
4680         PR tree-optimization/88775
4681         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
4682         equal == 0 equality pointer comparisons some more if compared in
4683         integral types and either one points to an automatic var and the
4684         other to a global, or we can prove at least one points to the middle
4685         or both point to start or both point to end.
4686
4687 2019-01-14  Andi Kleen  <ak@linux.intel.com>
4688
4689         * Makefile.in: Lower autofdo sampling rate by 10x.
4690         * Makefile.tpl: Dito.
4691
4692 2019-01-14  Tom Honermann  <tom@honermann.net>
4693
4694         * defaults.h: Define CHAR8_TYPE.
4695
4696 2019-01-14  Martin Sebor  <msebor@redhat.com>
4697
4698         PR target/88638
4699         * doc/extend.texi (Darwin Format Checks): Clarify.
4700
4701 2019-01-14  Richard Biener  <rguenther@suse.de>
4702
4703         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
4704         whether we are in (simplify ...) or (match ...) context.
4705
4706 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
4707
4708         PR rtl-optimization/88796
4709         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
4710         * cfgexpand.c (stack_protect_prologue): Initialize
4711         crtl->stack_protect_guard_decl.
4712         * function.c (stack_protect_epilogue): Use it instead of calling
4713         targetm.stack_protect_guard again.
4714         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
4715         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
4716         crtl->stack_protect_guard_decl.
4717         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
4718         on the returned MEM_EXPR.
4719
4720 2019-01-12  Tom de Vries  <tdevries@suse.de>
4721
4722         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
4723         vector length using -fopenacc-dim.
4724
4725 2019-01-12  Tom de Vries  <tdevries@suse.de>
4726
4727         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
4728         lengths into account.
4729
4730 2019-01-12  Svante Signell  <svante.signell@gmail.com>
4731
4732         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
4733         (TARGET_CAN_SPLIT_STACK): Define.
4734         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
4735
4736 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
4737
4738         * params.def (inline-unit-growth): Set to 40.
4739
4740 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
4741
4742         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
4743
4744 2019-01-12  Tom de Vries  <tdevries@suse.de>
4745
4746         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
4747         region calling vector-partitionable routine, set default_vector_length
4748         to WARP_SIZE.
4749
4750 2019-01-12  Tom de Vries  <tdevries@suse.de>
4751
4752         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
4753         variable default_vector_length.
4754
4755 2019-01-12  Tom de Vries  <tdevries@suse.de>
4756
4757         PR middle-end/88703
4758         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
4759         from oacc_default_dims, as oacc_validate_dims would do it, and apply
4760         dimensions limits.
4761
4762 2019-01-12  Tom de Vries  <tdevries@suse.de>
4763
4764         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
4765         (nvptx_goacc_validate_dims): Add used parameter.
4766         * doc/tm.texi: Regenerate.
4767         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
4768         argument to call to targetm.goacc.validate_dims.
4769         (default_goacc_validate_dims): Add used
4770         parameter.
4771         * target.def (validate_dims): Add used parameter in DEFHOOK.
4772         * targhooks.h (default_goacc_validate_dims): Add used parameter.
4773
4774 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4775
4776         PR middle-end/85956
4777         PR lto/88733
4778         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
4779         field.
4780         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
4781         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
4782         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
4783         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
4784
4785 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
4786
4787         PR rtl-optimization/87305
4788         * lra-assigns.c
4789         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
4790         for little endian pseudos used as paradoxical subreg.
4791
4792 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4793
4794         PR tree-optimization/88693
4795         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
4796         for STRING_CSTs that don't contain any NUL characters in the first
4797         TREE_STRING_LENGTH bytes.
4798
4799 2019-01-11  Alan Modra  <amodra@gmail.com>
4800
4801         PR 88777
4802         PR 88614
4803         * genattrtab.c (min_fn): Don't translate values.
4804         (min_attr_value): Return INT_MAX when the value can't be calculated.
4805         Return minimum among any values that can be calculated.
4806         (max_attr_value): Adjust.
4807
4808 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4809
4810         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
4811
4812 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
4813
4814         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
4815         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
4816         (aarch64_return_call_with_max_clobbers): New function.
4817         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
4818         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
4819         argument.
4820         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
4821         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
4822         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
4823         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
4824         * cselib.c (cselib_process_insn): Add argument to
4825         targetm.hard_regno_call_part_clobbered call.
4826         * ira-conflicts.c (ira_build_conflicts): Ditto.
4827         * ira-costs.c (ira_tune_allocno_costs): Ditto.
4828         * lra-constraints.c (inherit_reload_reg): Ditto.
4829         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
4830         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
4831         argument.  Call targetm.return_call_with_max_clobbers.
4832         Add argument to targetm.hard_regno_call_part_clobbered call.
4833         (calls_have_same_clobbers_p): New function.
4834         (process_bb_lives): Add call_insn and last_call_insn variables.
4835         Pass call_insn to check_pseudos_live_through_calls.
4836         Modify if stmt to check targetm.return_call_with_max_clobbers.
4837         Update setting of flush variable.
4838         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
4839         to false.
4840         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
4841         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
4842         targetm.hard_regno_call_part_clobbered call.
4843         * reginfo.c (choose_hard_reg_mode): Ditto.
4844         * regrename.c (check_new_reg_p): Ditto.
4845         * reload.c (find_equiv_reg): Ditto.
4846         * reload1.c (emit_reload_insns): Ditto.
4847         * sched-deps.c (deps_analyze_insn): Ditto.
4848         * sel-sched.c (init_regs_for_mode): Ditto.
4849         (mark_unavailable_hard_regs): Ditto.
4850         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
4851         * target.def (hard_regno_call_part_clobbered): Add insn argument.
4852         (return_call_with_max_clobbers): New target function.
4853         * doc/tm.texi: Regenerate.
4854         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
4855         * hooks.c (hook_bool_uint_mode_false): Change to
4856         hook_bool_insn_uint_mode_false.
4857         * hooks.h (hook_bool_uint_mode_false): Ditto.
4858
4859 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
4860
4861         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
4862         (aarch64_remove_extra_call_preserved_regs): New function.
4863         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
4864         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
4865         * doc/tm.texi: Regenerate.
4866         * final.c (get_call_reg_set_usage): Call new hook.
4867         * target.def (remove_extra_call_preserved_regs): New hook.
4868         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
4869         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
4870
4871 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4872
4873         PR bootstrap/88714
4874         * passes.c (finish_optimization_passes): Call print_combine_total_stats
4875         inside of pass_combine_1 dump rather than pass_profile_1.
4876
4877 2019-01-11  Tom de Vries  <tdevries@suse.de>
4878
4879         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
4880         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
4881         (PTX_NUM_PER_WORKER_BARRIERS): Define.
4882         (nvptx_apply_dim_limits): Prevent vector_length 64 and
4883         num_workers 16.
4884
4885 2019-01-11  Tom de Vries  <tdevries@suse.de>
4886
4887         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
4888
4889 2019-01-11  Jan Beulich  <jbeulich@suse.com>
4890
4891         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
4892         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
4893         sse2_cvtsi2sd): Add {l}.
4894         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
4895         syntax.
4896
4897 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4898
4899         PR target/88785
4900         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
4901         define_expand.
4902         (*float<floatunssuffix>v2div2sf2): New define_insn.
4903         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
4904         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
4905         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
4906         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
4907         match_operands with "const0_operand" "C".
4908
4909 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4910
4911         * config/aarch64/aarch64-builtins.c
4912         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
4913         (aarch64_init_simd_builtins): ...Here
4914
4915 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
4916
4917         PR rtl-optimization/87305
4918         * lra-assigns.c
4919         (setup_live_pseudos_and_spill_after_risky_transforms): Check
4920         allocation for big endian pseudos used as paradoxical subregs and
4921         spill them if it is wrong.
4922         * lra-constraints.c (lra_constraints): Add a comment.
4923
4924 2019-01-10  Richard Biener  <rguenther@suse.de>
4925
4926         PR tree-optimization/88792
4927         * tree-ssa-pre.c (get_representative_for): Do not return a
4928         value-number here.
4929
4930 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4931
4932         PR middle-end/84877
4933         PR bootstrap/88450
4934         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
4935         (assign_parm_setup_block): Do the argument slot realignment here
4936         instead.
4937
4938 2019-01-10  Stefan Agner  <stefan@agner.ch>
4939
4940         PR target/88648
4941         * config/arm/arm.c (arm_option_override_internal): Force
4942         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
4943
4944 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4945
4946         PR c/88568
4947         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
4948         DECL_EXTERNAL.
4949
4950 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4951
4952         * config/arm/arm-builtins.c
4953         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
4954         (MAC_LANE_PAIR_QUALIFIERS): New.
4955         (arm_expand_builtin_args): Use it.
4956         (arm_expand_builtin_1): Likewise.
4957         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
4958         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
4959         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
4960         * config/arm/arm_neon.h:
4961         (vcadd_rot90_f16): New.
4962         (vcaddq_rot90_f16): New.
4963         (vcadd_rot270_f16): New.
4964         (vcaddq_rot270_f16): New.
4965         (vcmla_f16): New.
4966         (vcmlaq_f16): New.
4967         (vcmla_lane_f16): New.
4968         (vcmla_laneq_f16): New.
4969         (vcmlaq_lane_f16): New.
4970         (vcmlaq_laneq_f16): New.
4971         (vcmla_rot90_f16): New.
4972         (vcmlaq_rot90_f16): New.
4973         (vcmla_rot90_lane_f16): New.
4974         (vcmla_rot90_laneq_f16): New.
4975         (vcmlaq_rot90_lane_f16): New.
4976         (vcmlaq_rot90_laneq_f16): New.
4977         (vcmla_rot180_f16): New.
4978         (vcmlaq_rot180_f16): New.
4979         (vcmla_rot180_lane_f16): New.
4980         (vcmla_rot180_laneq_f16): New.
4981         (vcmlaq_rot180_lane_f16): New.
4982         (vcmlaq_rot180_laneq_f16): New.
4983         (vcmla_rot270_f16): New.
4984         (vcmlaq_rot270_f16): New.
4985         (vcmla_rot270_lane_f16): New.
4986         (vcmla_rot270_laneq_f16): New.
4987         (vcmlaq_rot270_lane_f16): New.
4988         (vcmlaq_rot270_laneq_f16): New.
4989         (vcadd_rot90_f32): New.
4990         (vcaddq_rot90_f32): New.
4991         (vcadd_rot270_f32): New.
4992         (vcaddq_rot270_f32): New.
4993         (vcmla_f32): New.
4994         (vcmlaq_f32): New.
4995         (vcmla_lane_f32): New.
4996         (vcmla_laneq_f32): New.
4997         (vcmlaq_lane_f32): New.
4998         (vcmlaq_laneq_f32): New.
4999         (vcmla_rot90_f32): New.
5000         (vcmlaq_rot90_f32): New.
5001         (vcmla_rot90_lane_f32): New.
5002         (vcmla_rot90_laneq_f32): New.
5003         (vcmlaq_rot90_lane_f32): New.
5004         (vcmlaq_rot90_laneq_f32): New.
5005         (vcmla_rot180_f32): New.
5006         (vcmlaq_rot180_f32): New.
5007         (vcmla_rot180_lane_f32): New.
5008         (vcmla_rot180_laneq_f32): New.
5009         (vcmlaq_rot180_lane_f32): New.
5010         (vcmlaq_rot180_laneq_f32): New.
5011         (vcmla_rot270_f32): New.
5012         (vcmlaq_rot270_f32): New.
5013         (vcmla_rot270_lane_f32): New.
5014         (vcmla_rot270_laneq_f32): New.
5015         (vcmlaq_rot270_lane_f32): New.
5016         (vcmlaq_rot270_laneq_f32): New.
5017         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
5018         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180, vcmla_lane270,
5019         vcmla_laneq0, vcmla_laneq90, vcmla_laneq180, vcmla_laneq270,
5020         vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180, vcmlaq_lane270): New.
5021         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
5022         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
5023         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
5024         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
5025         (arm_option_reconfigure_globals): Use them.
5026         * config/arm/iterators.md (VDF, VQ_HSF): New.
5027         (VCADD, VCMLA): New.
5028         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
5029         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>): New.
5030         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
5031         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
5032
5033 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
5034
5035         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers): Add qualifier_lane_pair_index.
5036         (emit-rtl.h): Include.
5037         (TYPES_QUADOP_LANE_PAIR): New.
5038         (aarch64_simd_expand_args): Use it.
5039         (aarch64_simd_expand_builtin): Likewise.
5040         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum): New.
5041         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
5042         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
5043         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
5044         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
5045         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
5046         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
5047         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
5048         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
5049         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
5050         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
5051         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add __ARM_FEATURE_COMPLEX.
5052         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0, fcmla90,
5053         fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180, fcmla_lane270,
5054         fcmla_laneq0, fcmla_laneq90, fcmla_laneq180, fcmla_laneq270,
5055         fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180, fcmlaq_lane270): New.
5056         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
5057         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,aarch64_fcadd<rot><mode>,
5058         aarch64_fcmla<rot><mode>): New.
5059         * config/aarch64/arm_neon.h:
5060         (vcadd_rot90_f16): New.
5061         (vcaddq_rot90_f16): New.
5062         (vcadd_rot270_f16): New.
5063         (vcaddq_rot270_f16): New.
5064         (vcmla_f16): New.
5065         (vcmlaq_f16): New.
5066         (vcmla_lane_f16): New.
5067         (vcmla_laneq_f16): New.
5068         (vcmlaq_lane_f16): New.
5069         (vcmlaq_rot90_lane_f16): New.
5070         (vcmla_rot90_laneq_f16): New.
5071         (vcmla_rot90_lane_f16): New.
5072         (vcmlaq_rot90_f16): New.
5073         (vcmla_rot90_f16): New.
5074         (vcmlaq_laneq_f16): New.
5075         (vcmla_rot180_laneq_f16): New.
5076         (vcmla_rot180_lane_f16): New.
5077         (vcmlaq_rot180_f16): New.
5078         (vcmla_rot180_f16): New.
5079         (vcmlaq_rot90_laneq_f16): New.
5080         (vcmlaq_rot270_laneq_f16): New.
5081         (vcmlaq_rot270_lane_f16): New.
5082         (vcmla_rot270_laneq_f16): New.
5083         (vcmlaq_rot270_f16): New.
5084         (vcmla_rot270_f16): New.
5085         (vcmlaq_rot180_laneq_f16): New.
5086         (vcmlaq_rot180_lane_f16): New.
5087         (vcmla_rot270_lane_f16): New.
5088         (vcadd_rot90_f32): New.
5089         (vcaddq_rot90_f32): New.
5090         (vcaddq_rot90_f64): New.
5091         (vcadd_rot270_f32): New.
5092         (vcaddq_rot270_f32): New.
5093         (vcaddq_rot270_f64): New.
5094         (vcmla_f32): New.
5095         (vcmlaq_f32): New.
5096         (vcmlaq_f64): New.
5097         (vcmla_lane_f32): New.
5098         (vcmla_laneq_f32): New.
5099         (vcmlaq_lane_f32): New.
5100         (vcmlaq_laneq_f32): New.
5101         (vcmla_rot90_f32): New.
5102         (vcmlaq_rot90_f32): New.
5103         (vcmlaq_rot90_f64): New.
5104         (vcmla_rot90_lane_f32): New.
5105         (vcmla_rot90_laneq_f32): New.
5106         (vcmlaq_rot90_lane_f32): New.
5107         (vcmlaq_rot90_laneq_f32): New.
5108         (vcmla_rot180_f32): New.
5109         (vcmlaq_rot180_f32): New.
5110         (vcmlaq_rot180_f64): New.
5111         (vcmla_rot180_lane_f32): New.
5112         (vcmla_rot180_laneq_f32): New.
5113         (vcmlaq_rot180_lane_f32): New.
5114         (vcmlaq_rot180_laneq_f32): New.
5115         (vcmla_rot270_f32): New.
5116         (vcmlaq_rot270_f32): New.
5117         (vcmlaq_rot270_f64): New.
5118         (vcmla_rot270_lane_f32): New.
5119         (vcmla_rot270_laneq_f32): New.
5120         (vcmlaq_rot270_lane_f32): New.
5121         (vcmlaq_rot270_laneq_f32): New.
5122         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
5123         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
5124         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
5125         (FCADD, FCMLA): New.
5126         (rot): New.
5127         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
5128
5129 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
5130
5131         PR other/16615
5132
5133         * config/pa/pa.c: Change "can not" to "cannot".
5134         * gimple-ssa-evrp-analyze.c: Likewise.
5135         * ipa-icf.c: Likewise.
5136         * ipa-polymorphic-call.c: Likewise.
5137         * ipa-pure-const.c: Likewise.
5138         * lra-constraints.c: Likewise.
5139         * lra-remat.c: Likewise.
5140         * reload1.c: Likewise.
5141         * reorg.c: Likewise.
5142         * tree-ssa-uninit.c: Likewise.
5143
5144 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
5145
5146         PR other/16615
5147
5148         * Makefile.in: Mechanically replace "can not" with "cannot".
5149         * alias.c: Likewise.
5150         * builtins.c: Likewise.
5151         * calls.c: Likewise.
5152         * cgraph.c: Likewise.
5153         * cgraph.h: Likewise.
5154         * cgraphclones.c: Likewise.
5155         * cgraphunit.c: Likewise.
5156         * combine-stack-adj.c: Likewise.
5157         * combine.c: Likewise.
5158         * common/config/i386/i386-common.c: Likewise.
5159         * config/aarch64/aarch64.c: Likewise.
5160         * config/alpha/sync.md: Likewise.
5161         * config/arc/arc.c: Likewise.
5162         * config/arc/predicates.md: Likewise.
5163         * config/arm/arm-c.c: Likewise.
5164         * config/arm/arm.c: Likewise.
5165         * config/arm/arm.h: Likewise.
5166         * config/arm/arm.md: Likewise.
5167         * config/arm/cortex-r4f.md: Likewise.
5168         * config/csky/csky.c: Likewise.
5169         * config/csky/csky.h: Likewise.
5170         * config/darwin-f.c: Likewise.
5171         * config/epiphany/epiphany.md: Likewise.
5172         * config/i386/i386.c: Likewise.
5173         * config/i386/sol2.h: Likewise.
5174         * config/m68k/m68k.c: Likewise.
5175         * config/mcore/mcore.h: Likewise.
5176         * config/microblaze/microblaze.md: Likewise.
5177         * config/mips/20kc.md: Likewise.
5178         * config/mips/sb1.md: Likewise.
5179         * config/nds32/nds32.c: Likewise.
5180         * config/nds32/predicates.md: Likewise.
5181         * config/pa/pa.c: Likewise.
5182         * config/rs6000/e300c2c3.md: Likewise.
5183         * config/rs6000/rs6000.c: Likewise.
5184         * config/s390/s390.h: Likewise.
5185         * config/sh/sh.c: Likewise.
5186         * config/sh/sh.md: Likewise.
5187         * config/spu/vmx2spu.h: Likewise.
5188         * cprop.c: Likewise.
5189         * dbxout.c: Likewise.
5190         * df-scan.c: Likewise.
5191         * doc/cfg.texi: Likewise.
5192         * doc/extend.texi: Likewise.
5193         * doc/fragments.texi: Likewise.
5194         * doc/gty.texi: Likewise.
5195         * doc/invoke.texi: Likewise.
5196         * doc/lto.texi: Likewise.
5197         * doc/md.texi: Likewise.
5198         * doc/objc.texi: Likewise.
5199         * doc/rtl.texi: Likewise.
5200         * doc/tm.texi: Likewise.
5201         * dse.c: Likewise.
5202         * emit-rtl.c: Likewise.
5203         * emit-rtl.h: Likewise.
5204         * except.c: Likewise.
5205         * expmed.c: Likewise.
5206         * expr.c: Likewise.
5207         * fold-const.c: Likewise.
5208         * genautomata.c: Likewise.
5209         * gimple-fold.c: Likewise.
5210         * hard-reg-set.h: Likewise.
5211         * ifcvt.c: Likewise.
5212         * ipa-comdats.c: Likewise.
5213         * ipa-cp.c: Likewise.
5214         * ipa-devirt.c: Likewise.
5215         * ipa-fnsummary.c: Likewise.
5216         * ipa-icf.c: Likewise.
5217         * ipa-inline-transform.c: Likewise.
5218         * ipa-inline.c: Likewise.
5219         * ipa-polymorphic-call.c: Likewise.
5220         * ipa-profile.c: Likewise.
5221         * ipa-prop.c: Likewise.
5222         * ipa-pure-const.c: Likewise.
5223         * ipa-reference.c: Likewise.
5224         * ipa-split.c: Likewise.
5225         * ipa-visibility.c: Likewise.
5226         * ipa.c: Likewise.
5227         * ira-build.c: Likewise.
5228         * ira-color.c: Likewise.
5229         * ira-conflicts.c: Likewise.
5230         * ira-costs.c: Likewise.
5231         * ira-int.h: Likewise.
5232         * ira-lives.c: Likewise.
5233         * ira.c: Likewise.
5234         * ira.h: Likewise.
5235         * loop-invariant.c: Likewise.
5236         * loop-unroll.c: Likewise.
5237         * lower-subreg.c: Likewise.
5238         * lra-assigns.c: Likewise.
5239         * lra-constraints.c: Likewise.
5240         * lra-eliminations.c: Likewise.
5241         * lra-lives.c: Likewise.
5242         * lra-remat.c: Likewise.
5243         * lra-spills.c: Likewise.
5244         * lra.c: Likewise.
5245         * lto-cgraph.c: Likewise.
5246         * lto-streamer-out.c: Likewise.
5247         * postreload-gcse.c: Likewise.
5248         * predict.c: Likewise.
5249         * profile-count.h: Likewise.
5250         * profile.c: Likewise.
5251         * recog.c: Likewise.
5252         * ree.c: Likewise.
5253         * reload.c: Likewise.
5254         * reload1.c: Likewise.
5255         * reorg.c: Likewise.
5256         * resource.c: Likewise.
5257         * rtl.def: Likewise.
5258         * rtl.h: Likewise.
5259         * rtlanal.c: Likewise.
5260         * sched-deps.c: Likewise.
5261         * sched-ebb.c: Likewise.
5262         * sched-rgn.c: Likewise.
5263         * sel-sched-ir.c: Likewise.
5264         * sel-sched.c: Likewise.
5265         * shrink-wrap.c: Likewise.
5266         * simplify-rtx.c: Likewise.
5267         * symtab.c: Likewise.
5268         * target.def: Likewise.
5269         * toplev.c: Likewise.
5270         * tree-call-cdce.c: Likewise.
5271         * tree-cfg.c: Likewise.
5272         * tree-complex.c: Likewise.
5273         * tree-core.h: Likewise.
5274         * tree-eh.c: Likewise.
5275         * tree-inline.c: Likewise.
5276         * tree-loop-distribution.c: Likewise.
5277         * tree-nrv.c: Likewise.
5278         * tree-profile.c: Likewise.
5279         * tree-sra.c: Likewise.
5280         * tree-ssa-alias.c: Likewise.
5281         * tree-ssa-dce.c: Likewise.
5282         * tree-ssa-dom.c: Likewise.
5283         * tree-ssa-forwprop.c: Likewise.
5284         * tree-ssa-loop-im.c: Likewise.
5285         * tree-ssa-loop-ivcanon.c: Likewise.
5286         * tree-ssa-loop-ivopts.c: Likewise.
5287         * tree-ssa-loop-niter.c: Likewise.
5288         * tree-ssa-phionlycprop.c: Likewise.
5289         * tree-ssa-phiopt.c: Likewise.
5290         * tree-ssa-propagate.c: Likewise.
5291         * tree-ssa-threadedge.c: Likewise.
5292         * tree-ssa-threadupdate.c: Likewise.
5293         * tree-ssa-uninit.c: Likewise.
5294         * tree-ssanames.c: Likewise.
5295         * tree-streamer-out.c: Likewise.
5296         * tree.c: Likewise.
5297         * tree.h: Likewise.
5298         * vr-values.c: Likewise.
5299
5300 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
5301
5302         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
5303         (ix86_split_xorsign): Ditto.
5304         * config/i386/i386.c (ix86_expand_xorsign): New function.
5305         (ix86_split_xorsign): Ditto.
5306         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
5307         (xorsign<mode>3): New expander.
5308         (xorsign<mode>3_1): New insn_and_split pattern.
5309         * config/i386/sse.md (xorsign<mode>3): New expander.
5310
5311 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5312
5313         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
5314         (*tablejump_sp64): Likewise.
5315         (*tablejump<P:mode>): ...this.
5316         (*call_address_sp32): Merge into...
5317         (*call_address_sp64): Likewise.
5318         (*call_address<P:mode>): ...this.
5319         (*call_symbolic_sp32): Merge into...
5320         (*call_symbolic_sp64): Likewise.
5321         (*call_symbolic<P:mode>): ...this.
5322         (call_value): Remove constraint and add predicate.
5323         (*call_value_address_sp32): Merge into...
5324         (*call_value_address_sp64): Likewise.
5325         (*call_value_address<P:mode>): ...this.
5326         (*call_value_symbolic_sp32): Merge into...
5327         (*call_value_symbolic_sp64): Likewise.
5328         (*call_value_symbolic<P:mode>): ...this.
5329         (*sibcall_symbolic_sp32): Merge into...
5330         (*sibcall_symbolic_sp64): Likewise.
5331         (*sibcall_symbolic<P:mode>): ...this.
5332         (sibcall_value): Remove constraint and add predicate.
5333         (*sibcall_value_symbolic_sp32): Merge into...
5334         (*sibcall_value_symbolic_sp64): Likewise.
5335         (*sibcall_value_symbolic<P:mode>): ...this.
5336         (window_save): Minor tweak.
5337         (*branch_sp32): Merge into...
5338         (*branch_sp64): Likewise.
5339         (*branch<P:mode>): ...this.
5340
5341 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5342             James Clarke  <jrtc27@jrtc27.com>
5343
5344         PR target/84010
5345         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
5346         consistently in TLS address generation and adjust code to the renaming
5347         of patterns.  Mark calls to __tls_get_addr as const.
5348         * config/sparc/sparc.md (tgd_hi22): Turn into...
5349         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
5350         (tgd_lo10): Turn into...
5351         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
5352         (tgd_add32): Merge into...
5353         (tgd_add64): Likewise.
5354         (tgd_add<P:mode>): ...this and use Pmode throughout.
5355         (tldm_hi22): Turn into...
5356         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
5357         (tldm_lo10): Turn into...
5358         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
5359         (tldm_add32): Merge into...
5360         (tldm_add64): Likewise.
5361         (tldm_add<P:mode>): ...this and use Pmode throughout.
5362         (tldm_call32): Merge into...
5363         (tldm_call64): Likewise.
5364         (tldm_call<P:mode>): ...this and use Pmode throughout.
5365         (tldo_hix22): Turn into...
5366         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
5367         (tldo_lox10): Turn into...
5368         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
5369         (tldo_add32): Merge into...
5370         (tldo_add64): Likewise.
5371         (tldo_add<P:mode>): ...this and use Pmode throughout.
5372         (tie_hi22): Turn into...
5373         (tie_hi22<P:mode>): ...this and use Pmode throughout.
5374         (tie_lo10): Turn into...
5375         (tie_lo10<P:mode>): ...this and use Pmode throughout.
5376         (tie_ld64): Use DImode throughout.
5377         (tie_add32): Merge into...
5378         (tie_add64): Likewise.
5379         (tie_add<P:mode>): ...this and use Pmode throughout.
5380         (tle_hix22_sp32): Merge into...
5381         (tle_hix22_sp64): Likewise.
5382         (tle_hix22<P:mode>): ...this and use Pmode throughout.
5383         (tle_lox22_sp32): Merge into...
5384         (tle_lox22_sp64): Likewise.
5385         (tle_lox22<P:mode>): ...this and use Pmode throughout.
5386         (*tldo_ldub_sp32): Merge into...
5387         (*tldo_ldub_sp64): Likewise.
5388         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
5389         (*tldo_ldub1_sp32): Merge into...
5390         (*tldo_ldub1_sp64): Likewise.
5391         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
5392         (*tldo_ldub2_sp32): Merge into...
5393         (*tldo_ldub2_sp64): Likewise.
5394         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
5395         (*tldo_ldsb1_sp32): Merge into...
5396         (*tldo_ldsb1_sp64): Likewise.
5397         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
5398         (*tldo_ldsb2_sp32): Merge into...
5399         (*tldo_ldsb2_sp64): Likewise.
5400         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
5401         (*tldo_ldub3_sp64): Use DImode throughout.
5402         (*tldo_ldsb3_sp64): Likewise.
5403         (*tldo_lduh_sp32): Merge into...
5404         (*tldo_lduh_sp64): Likewise.
5405         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
5406         (*tldo_lduh1_sp32): Merge into...
5407         (*tldo_lduh1_sp64): Likewise.
5408         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
5409         (*tldo_ldsh1_sp32): Merge into...
5410         (*tldo_ldsh1_sp64): Likewise.
5411         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
5412         (*tldo_lduh2_sp64): Use DImode throughout.
5413         (*tldo_ldsh2_sp64): Likewise.
5414         (*tldo_lduw_sp32): Merge into...
5415         (*tldo_lduw_sp64): Likewise.
5416         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
5417         (*tldo_lduw1_sp64): Use DImode throughout.
5418         (*tldo_ldsw1_sp64): Likewise.
5419         (*tldo_ldx_sp64): Likewise.
5420         (*tldo_stb_sp32): Merge into...
5421         (*tldo_stb_sp64): Likewise.
5422         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
5423         (*tldo_sth_sp32): Merge into...
5424         (*tldo_sth_sp64): Likewise.
5425         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
5426         (*tldo_stw_sp32): Merge into...
5427         (*tldo_stw_sp64): Likewise.
5428         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
5429         (*tldo_stx_sp64): Use DImode throughout.
5430
5431 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5432
5433         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
5434         check configure option to set BTI and Return Address Signing.
5435         * configure.ac: Add --enable-standard-branch-protection and
5436         --disable-standard-branch-protection.
5437         * configure: Regenerated.
5438         * doc/install.texi: Document the same.
5439
5440 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5441             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5442
5443         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
5444         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
5445         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
5446         if bti is enabled.
5447         * config/aarch64/aarch64-bti-insert.c: New file.
5448         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
5449         pass.
5450         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
5451         new bti pass.
5452         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
5453         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
5454         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
5455         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
5456
5457 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5458
5459         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
5460         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
5461         Disable bti for -mbranch-protection=none.
5462         (aarch64_handle_standard_branch_protection): Enable bti for
5463         -mbranch-protection=standard.
5464         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
5465         -mbranch-protection.
5466         (aarch64_bti_enabled): Check if bti is enabled.
5467         * config/aarch64/aarch64.opt: Declare target variable.
5468         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
5469
5470 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5471
5472         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
5473         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
5474         (aarch64_expand_epilogue): Likewise.
5475         (aarch64_output_mi_thunk): Likewise
5476         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
5477         TAILCALL_ADDR_REGS to x16 and x17.
5478         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
5479
5480 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5481
5482         * config/aarch64/aarch64-option-extensions.def: Define
5483         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
5484         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
5485         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
5486         (AARCH64_FL_PREDRES): New.
5487         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
5488         AARCH64_FL_PREDRES by default.
5489         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
5490
5491 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
5492
5493         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
5494         ARMv8.5-A.
5495         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
5496         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
5497         * doc/invoke.texi: Document ARMv8.5-A.
5498
5499 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
5500
5501         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
5502         (xorsign<mode>3): Likewise.
5503
5504 2019-01-09  Jelinek  <jakub@redhat.com>
5505
5506         PR middle-end/88758
5507         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
5508         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
5509
5510         PR rtl-optimization/88331
5511         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
5512         not currently_expanding_to_rtl.
5513
5514 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
5515
5516         * doc/invoke.texi (-Os): Remove trailing spaces.
5517         (-finline-functions): Remove reference to -O2.
5518
5519 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
5520
5521         PR rtl-optimization/79593
5522         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
5523
5524         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
5525         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
5526
5527 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
5528
5529         PR bootstrap/88721
5530         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
5531         to -1 on entry.
5532
5533         PR debug/88723
5534         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
5535         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
5536
5537 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5538
5539         PR target/88717
5540         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
5541         ix86_avx_u128_mode_entry.
5542
5543 2019-01-08  Martin Liska  <mliska@suse.cz>
5544
5545         PR tree-optimization/88753
5546         * tree-switch-conversion.c (switch_conversion::build_one_array):
5547         Come up with local variable constructor.  Convert first to
5548         type of constructor values.
5549
5550 2019-01-08  Richard Biener  <rguenther@suse.de>
5551
5552         PR tree-optimization/86554
5553         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
5554         rpo_avail): Move earlier.
5555         (visit_nary_op): When value-numbering to expressions
5556         with different overflow behavior make sure there's an
5557         available expression on the path.
5558
5559 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
5560
5561         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
5562         aarch64_parse_branch_protection,
5563         struct aarch64_branch_protect_type,
5564         aarch64_handle_no_branch_protection,
5565         aarch64_handle_standard_branch_protection,
5566         aarch64_validate_mbranch_protection,
5567         aarch64_handle_pac_ret_protection,
5568         aarch64_handle_attr_branch_protection,
5569         accepted_branch_protection_string,
5570         aarch64_pac_ret_subtypes,
5571         aarch64_branch_protect_types,
5572         aarch64_handle_pac_ret_leaf): Define.
5573         (aarch64_override_options_after_change_1, aarch64_override_options):
5574         Add check for accepted_branch_protection_string.
5575         (aarch64_option_save): Save accepted_branch_protection_string.
5576         (aarch64_option_restore): Save accepted_branch_protection_string.
5577         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
5578         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
5579         msign-return-address.
5580         * doc/invoke.texi: Add mbranch-protection.
5581
5582 2019-01-08  Alan Modra  <amodra@gmail.com>
5583
5584         PR target/88614
5585         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
5586         Delete "unknownp" parameter.  Adjust callers.  Handle
5587         CONST_INT, PLUS, MINUS, and MULT.
5588         (attr_value_aligned): Renamed from or_attr_value.
5589         (min_attr_value): Return INT_MIN for unhandled rtl case..
5590         (min_fn): ..and translate to INT_MAX here.
5591         (write_length_unit_log): Modify to cope without "unknown".
5592         (write_attr_value): Handle IF_THEN_ELSE.
5593
5594 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5595
5596         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
5597         optimization for masked stores.
5598
5599 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5600
5601         PR middle-end/88567
5602         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
5603         output vector directly to duplicate_and_interleave instead of
5604         going through a temporary.  Postpone insertion of ctor_seq to
5605         the end of the loop.
5606
5607 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
5608
5609         PR target/86891
5610         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
5611         unsigned_p.  Handle signed and unsigned overflow correction as
5612         required.
5613         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
5614         prototype.
5615         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
5616         for operand 2.
5617         (add<mode>3_compareV_imm): Make this callable for expanding.
5618         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
5619         aarch64_plus_operand for operand 2.
5620         (subv<GPI:mode>_insn): New insn pattern.
5621         (subv<GPI:mode>_imm): Likewise.
5622         (negv<GPI:mode>3): New expand pattern.
5623         (negv<GPI:mode>_insn): New insn pattern.
5624         (negv<GPI:mode>_cmp_only): Likewise.
5625         (cmpv<GPI:mode>_insn): Likewise.
5626         (subvti4): Use register_operand for operand 1.  Update call to
5627         aarch64_expand_subvti.
5628         (usubvti4): Likewise.
5629         (negvti3): New expand pattern.
5630         (negdi_carryout): New insn pattern.
5631         (negvdi_carryinV): New insn pattern.
5632         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
5633         version the named version.
5634         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
5635         operands.
5636         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
5637         patterns.
5638         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
5639         patterns.
5640         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
5641         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
5642         (sub<mode>3_carryinCV): Delete.
5643         (sub<GPI:mode>3_carryinV): New expand pattern.
5644         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
5645
5646 2019-01-07  Richard Biener  <rguenther@suse.de>
5647
5648         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
5649         of tree_operand_hash.
5650
5651 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5652
5653         PR tree-optimization/88598
5654         * tree.h (single_nonzero_element): Declare.
5655         * tree.c (single_nonzero_element): New function.
5656         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
5657         if I is the only nonzero element of CST.
5658
5659 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5660
5661         PR tree-optimization/88598
5662         * tree.h (initializer_each_zero_or_onep): Declare.
5663         * tree.c (initializer_each_zero_or_onep): New function.
5664         (signed_or_unsigned_type_for): Handle float types too.
5665         (unsigned_type_for, signed_type_for): Update comments accordingly.
5666         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
5667         x & { 0 or -1, 0 or -1, ... }.
5668
5669 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
5670
5671         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
5672         with x86_64-pc-linux-gnu.
5673
5674 2019-01-07  Tom de Vries  <tdevries@suse.de>
5675
5676         PR target/85486
5677         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
5678         function.
5679         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
5680         routines.
5681
5682 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
5683
5684         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
5685         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
5686         TARGET_AVX512F as condition.
5687
5688         PR debug/88723
5689         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
5690         const_not_ok_for_debug_p target hook.
5691         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
5692         on UNSPEC and subexpressions thereof if all subexpressions of the
5693         UNSPEC are CONSTANT_P.
5694
5695         PR tree-optimization/88676
5696         * tree-ssa-phiopt.c (two_value_replacement): New function.
5697         (tree_ssa_phiopt_worker): Call it.
5698
5699         PR sanitizer/88619
5700         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
5701         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
5702
5703         PR c++/85052
5704         * tree-vect-generic.c: Include insn-config.h and recog.h.
5705         (expand_vector_piecewise): Add defaulted ret_type argument,
5706         if non-NULL, use that in preference to type for the result type.
5707         (expand_vector_parallel): Formatting fix.
5708         (do_vec_conversion, do_vec_narrowing_conversion,
5709         expand_vector_conversion): New functions.
5710         (expand_vector_operations_1): Call expand_vector_conversion
5711         for VEC_CONVERT ifn calls.
5712         * internal-fn.def (VEC_CONVERT): New internal function.
5713         * internal-fn.c (expand_VEC_CONVERT): New function.
5714         * fold-const-call.c (fold_const_vec_convert): New function.
5715         (fold_const_call): Use it for CFN_VEC_CONVERT.
5716         * doc/extend.texi (__builtin_convertvector): Document.
5717
5718 2019-01-07  Tom de Vries  <tdevries@suse.de>
5719
5720         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
5721         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
5722         vector_red_partition, vector_red_sym): New global variables.
5723         (nvptx_option_override): Initialize vector_red_sym.
5724         (nvptx_declare_function_name): Restore red_partition register.
5725         (nvptx_file_end): Emit code to declare the vector reduction variables.
5726         (nvptx_output_red_partition): New function.
5727         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
5728         large vector reductions.
5729         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
5730         (nvptx_init_builtins): Add VECTOR_ADDR.
5731         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
5732         Handle nvptx_expand_shared_addr.
5733         (nvptx_get_shared_red_addr): Add vector argument and handle large
5734         vectors.
5735         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
5736         large vectors.
5737         (nvptx_goacc_reduction_init): Likewise.
5738         (nvptx_goacc_reduction_fini): Likewise.
5739         (nvptx_goacc_reduction_teardown): Likewise.
5740         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
5741         init,fini,teardown}.
5742         (nvptx_init_axis_predicate): Initialize vector_red_partition.
5743         (nvptx_set_current_function): Init vector_red_partition.
5744         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
5745         (nvptx_red_partition): New insn.
5746         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
5747
5748 2019-01-07  Tom de Vries  <tdevries@suse.de>
5749
5750         PR target/85381
5751         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
5752         empty loops.
5753
5754 2019-01-07  Tom de Vries  <tdevries@suse.de>
5755
5756         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
5757         (nvptx_option_override): Init oacc_bcast_partition.
5758         (nvptx_init_oacc_workers): New function.
5759         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
5760         (nvptx_needs_shared_bcast): New function.
5761         (nvptx_find_par): Generalize to enable vectors to use shared-memory
5762         to propagate state.
5763         (nvptx_shared_propagate): Initialize vector bcast partition and
5764         synchronization state.
5765         (nvptx_single):  Generalize to enable vectors to use shared-memory
5766         to propagate state.
5767         (nvptx_process_pars): Likewise.
5768         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
5769         * config/nvptx/nvptx.h (struct machine_function): Add
5770         bcast_partition and sync_bar members.
5771
5772 2019-01-07  Tom de Vries  <tdevries@suse.de>
5773
5774         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
5775         (nvptx_apply_dim_limits): New function.
5776         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
5777         PTX_WARP_SIZE.
5778
5779 2019-01-07  Tom de Vries  <tdevries@suse.de>
5780
5781         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
5782         as late as possible.
5783
5784 2019-01-07  Tom de Vries  <tdevries@suse.de>
5785
5786         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
5787         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
5788         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
5789         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
5790         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
5791
5792 2019-01-07  Tom de Vries  <tdevries@suse.de>
5793
5794         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
5795
5796 2019-01-07  Tom de Vries  <tdevries@suse.de>
5797
5798         * omp-offload.c (oacc_get_min_dim): New function.
5799         * omp-offload.h (oacc_get_min_dim): Declare.
5800
5801 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
5802
5803         PR target/88521
5804         * config/i386/i386.c (function_value_ms_64): Return small sturct in
5805         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
5806
5807 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5808
5809         PR tree-opt/86020
5810         Revert:
5811         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
5812
5813         * ipa-inline.c (edge_badness): Use inlined_time instead of
5814         inline_summaries->get.
5815
5816 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5817
5818         * opts.c (enable_fdo_optimizations): Enable
5819         version-loops-for-strides, loop-interchange, unrol-and-jam
5820         and tree-loop-distribution.
5821         * invoke.texi: Document newly enabled options.
5822
5823 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5824
5825         * doc/invoke.texi (max-inline-insns-small): New parameters.
5826         * ipa-inline.c (want_early_inline_function_p): simplify.
5827         (want_inline_small_function_p): Fix pasto from previous patch;
5828         use max-inline-insns-small bound.
5829         * params.def (max-inline-insns-small): New param.
5830         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
5831         variables correctly.
5832
5833 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5834
5835         * doc/invoke.texi: Document max-inline-insns-size,
5836         uninlined-function-insns, uninlined-function-time,
5837         uninlined-thunk-insns and uninlined-thunk-time.
5838         * params.def: Add max-inline-insns-size,
5839         uninlined-function-insns, uninlined-function-time,
5840         uninlined-thunk-insns and uninlined-thunk-time.
5841         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
5842         new parameters.
5843         * ipa-inline.c (can_inline_edge_by_limits_p,
5844         want_inline_small_function_p): Use new parameters.
5845
5846 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5847
5848         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
5849
5850 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
5851
5852         PR middle-end/82564
5853         PR target/88620
5854         * expr.c (expand_assignment): For calls returning VLA structures
5855         if to_rtx is not a MEM, force it into a stack temporary.
5856
5857         PR debug/88635
5858         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
5859         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
5860         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
5861         subexpressions of both operands.
5862         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
5863         subrtxes are CONSTANT_P.
5864         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
5865         2018-11-09 changes.
5866
5867 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
5868
5869         * params.def (hot-bb-count-ws-permille): Set to 990.
5870
5871 2019-01-04  Martin Sebor  <msebor@redhat.com>
5872
5873         PR c/88546
5874         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
5875         leaf.
5876
5877 2019-01-04  Martin Sebor  <msebor@redhat.com>
5878
5879         PR c/88363
5880         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
5881
5882 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
5883
5884         * gdbinit.in: Turn off pagination for the skip commands, restore
5885         it to previous state afterwards.
5886
5887 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
5888
5889         PR target/88594
5890         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
5891         of GET_MODE (opN) as modes of the libcall arguments.
5892
5893 2019-01-04  Jan Beulich  <jbeulich@suse.com>
5894
5895         * config/i386/sse.md
5896         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
5897         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
5898         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
5899         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
5900         avx512f_vmcmp<mode>3<round_saeonly_name>,
5901         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
5902         avx512f_maskcmp<mode>3,
5903         <avx512>_cvt<ssemodesuffix>2mask<mode>,
5904         <avx512>_cvt<ssemodesuffix>2mask<mode>,
5905         *<avx512>_cvtmask2<ssemodesuffix><mode>,
5906         *<avx512>_cvtmask2<ssemodesuffix><mode>,
5907         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
5908         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
5909         <avx512>_gt<mode>3<mask_scalar_merge_name>,
5910         <avx512>_gt<mode>3<mask_scalar_merge_name>,
5911         <avx512>_testm<mode>3<mask_scalar_merge_name>,
5912         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
5913         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
5914         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
5915         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
5916         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
5917         avx512cd_maskb_vec_dup<mode>,
5918         avx512cd_maskw_vec_dup<mode>,
5919         avx512dq_fpclass<mode><mask_scalar_merge_name>,
5920         avx512dq_vmfpclass<mode>,
5921         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
5922         instead of =Yk.
5923
5924 2019-01-03  Martin Sebor  <msebor@redhat.com>
5925
5926         PR tree-optimization/88659
5927         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
5928
5929 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
5930
5931         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
5932         unaligned vsx and avoid lxvd2x/stxvd2x.
5933         (gen_lvx_v4si_move): New function.
5934
5935 2019-01-03  Tom de Vries  <tdevries@suse.de>
5936
5937         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
5938         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
5939         function.
5940         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
5941
5942 2019-01-03  Tom de Vries  <tdevries@suse.de>
5943
5944         * config/nvptx/nvptx.c (struct offload_attrs): New.
5945         (populate_offload_attrs): New function.  Factor mask extraction out of
5946         nvptx_reorg.  Add extraction of dimensions.
5947         (nvptx_reorg): Use populate_offload_attrs.
5948
5949 2019-01-03  Tom de Vries  <tdevries@suse.de>
5950
5951         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
5952         cases for oacc_min_dims_p and routine_p.  Add asserts for
5953         oacc_default_dims_p and offload_region_p.
5954
5955 2019-01-03  Tom de Vries  <tdevries@suse.de>
5956
5957         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
5958         factored out of ...
5959         (nvptx_goacc_validate_dims): ... here.
5960
5961 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
5962
5963         PR tree-optimization/85574
5964         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
5965         structure.
5966         (struct ssa_equip_hash_traits): Declare.
5967         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
5968
5969 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
5970
5971         PR debug/88644
5972         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
5973         change it to qualified_type.
5974
5975 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
5976
5977         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
5978         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
5979
5980 2019-01-02  Martin Sebor  <msebor@redhat.com>
5981             Jeff Law  <law@redhat.com>
5982
5983         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
5984         (get_range_strlen_tree): Update appropriately.
5985         (get_range_strlen)
5986         * gimple-fold.h (get_range_strlen): Drop unused last argument.
5987
5988         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
5989         rather than set_range_info.
5990         * tree-ssa-strlen.c (set_strlen_range): Extracted from
5991         maybe_set_strlen_range.  Handle potentially boundary crossing
5992         cases more conservatively.
5993         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
5994         Call set_strlen_range.
5995         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
5996
5997         PR middle-end/88663
5998         * gimple-fold.c (get_range_strlen): Update prototype to no longer
5999         need the flexp argument.
6000         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
6001         from calls to get_range_strlen.  Update comments.  Just update
6002         VAL for an unterminated const char array and let the reset of the
6003         code handle it normally.  No longer try to set *flexp.  Adjust
6004         return value.
6005         (get_range_strlen): Update for the new get_range_strlen API.
6006         (get_maxval_strlen): Similarly.
6007         (gimple_fold_builtin_strlen): Handle update meaning of return value
6008         from get_range_strlen.
6009         * gimple-ssa-sprintf.c (get_string_length): Update for the new
6010         get_range_strlen API.
6011
6012 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
6013
6014         PR lto/88130
6015         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
6016         false at WPA time when body was removed.
6017
6018 2019-01-02  Martin Liska  <mliska@suse.cz>
6019
6020         PR tree-optimization/88650
6021         * predict.c (set_even_probabilities): Calculate probability
6022         remainer only when really used.
6023
6024 2019-01-02  Richard Biener  <rguenther@suse.de>
6025
6026         PR middle-end/88651
6027         * tree-data-ref.c (analyze_subscript_affine_affine): Use
6028         widest_ints when mangling max_stmt_execution results.
6029
6030 2019-01-02  Richard Biener  <rguenther@suse.de>
6031
6032         PR tree-optimization/88621
6033         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
6034         bitfields when canoncalizing.
6035
6036 2019-01-02  Richard Biener  <rguenther@suse.de>
6037
6038         PR target/87545
6039         * config/i386/x86-tune-costs.h (intel_cost): Adjust
6040         cost of cheap SSE instruction.
6041
6042 2019-01-02  Richard Biener  <rguenther@suse.de>
6043
6044         PR ipa/85574
6045         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
6046         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
6047         function.
6048         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
6049         set after UIDs before splitting them.
6050
6051 2019-01-01  Martin Sebor  <msebor@redhat.com>
6052             Jeff Law  <law@redhat.com>
6053
6054         * gimple-fold.c (get_range_strlen_tree): Record if the computed
6055         length is optimistic.  If it is, then arrange to compute the
6056         conservative length as well.
6057
6058         * gimple-fold.h (get_range_strlen): Update prototype.
6059         * builtins.c (check_access): Update call to get_range_strlen to use
6060         c_strlen_data pointer.   Change various variable accesses to instead
6061         pull data from the c_strlen_data structure.
6062         (check_strncat_sizes, expand_builtin_strncat): Likewise.
6063         * calls.c (maybe_warn_nonstring_arg): Likewise.
6064         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
6065         minimum length if maximum lengh is unknown.
6066         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
6067         that used c_strlen, it's no longer needed.  Restructure slightly.
6068         (format_string): Set unlikely range appropriately.
6069         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
6070         formatting issues.
6071         (get_range_strlen):  Accept c_strlen_data pointer for external
6072         call sites as well.  Pass through to call to internal get_range_strlen.
6073         Adjust minlen, maxlen and maxbound as needed.
6074         (get_maxval_strlen): Update comments.
6075         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
6076         to use c_strlen_data pointer.  Change variable accesses to instead
6077         use c_strlen_data data members.
6078
6079         * gimple-fold.c (get_range_strlen): Update prototype.
6080         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
6081         local variables.  Use pdata to return information to caller.
6082         Update calls to get_range_strlen.  Update pdata->maxbound.
6083         (get_range_strlen -- static version): Similarly.
6084         (get_range_strlen -- extern version): Update for internal
6085         get_range_strlen API change.  Convert to external data format.
6086         (get_maxval_strlen): Similarly.
6087
6088 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
6089
6090         * coverage.c (get_coverage_counts): Use current_function_decl.
6091         * profile.c (read_thunk_profile): New function.
6092         (branch_prob): Add THUNK parameter.
6093         * tree-profile.c (tree_profiling): Handle thunks.
6094         * value-prof.c (init_node_map): Handle thunks.
6095         * value-prof.h (branch_prob): Upate prototype.
6096         (read_thunk_profile): Declare.
6097
6098 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
6099
6100         Update copyright years.
6101
6102         * gcc.c (process_command): Update copyright notice dates.
6103         * gcov-dump.c (print_version): Ditto.
6104         * gcov.c (print_version): Ditto.
6105         * gcov-tool.c (print_version): Ditto.
6106         * gengtype.c (create_file): Ditto.
6107         * doc/cpp.texi: Bump @copying's copyright year.
6108         * doc/cppinternals.texi: Ditto.
6109         * doc/gcc.texi: Ditto.
6110         * doc/gccint.texi: Ditto.
6111         * doc/gcov.texi: Ditto.
6112         * doc/install.texi: Ditto.
6113         * doc/invoke.texi: Ditto.
6114 \f
6115 Copyright (C) 2019 Free Software Foundation, Inc.
6116
6117 Copying and distribution of this file, with or without modification,
6118 are permitted in any medium without royalty provided the copyright
6119 notice and this notice are preserved.