gcc/ChangeLog

   1 2019-05-16  Martin Sebor  <msebor@redhat.com>
   2
   3         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
   4         identifiers, keywords, operators, and types in diagnostics.  Correct
   5         quoting, spelling, and sentence capitalization issues.
   6         (expand_builtin_atomic_is_lock_free): Same.
   7         (fold_builtin_next_arg): Same.
   8         * cfgexpand.c (expand_one_var): Same.
   9         (tree_conflicts_with_clobbers_p): Same.
  10         (expand_asm_stmt): Same.
  11         (verify_loop_structure): Same.
  12         * cgraphunit.c (process_function_and_variable_attributes): Same.
  13         * collect-utils.c (collect_execute): Same.
  14         * collect2.c (maybe_run_lto_and_relink): Same.
  15         (is_lto_object_file): Same.
  16         (scan_prog_file): Same.
  17         * convert.c (convert_to_real_1): Same.
  18         * dwarf2out.c (dwarf2out_begin_prologue): Same.
  19         * except.c (verify_eh_tree): Same.
  20         * gcc.c (execute): Same.
  21         (eval_spec_function): Same.
  22         (run_attempt): Same.
  23         (driver::set_up_specs): Same.
  24         (compare_debug_auxbase_opt_spec_function): Same.
  25         * gcov-tool.c (unlink_gcda_file): Same.
  26         (do_merge): Same.
  27         (do_rewrite): Same.
  28         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
  29         * gimplify.c (gimplify_asm_expr): Same.
  30         (gimplify_adjust_omp_clauses): Same.
  31         * hsa-gen.c (gen_hsa_addr_insns): Same.
  32         (gen_hsa_insns_for_load): Same.
  33         (gen_hsa_cmp_insn_from_gimple): Same.
  34         (gen_hsa_insns_for_operation_assignment): Same.
  35         (gen_get_level): Same.
  36         (gen_hsa_alloca): Same.
  37         (omp_simple_builtin::generate): Same.
  38         (gen_hsa_atomic_for_builtin): Same.
  39         (gen_hsa_insns_for_call): Same.
  40         * input.c (dump_location_info): Same.
  41         * ipa-devirt.c (compare_virtual_tables): Same.
  42         * ira.c (ira_setup_eliminable_regset): Same.
  43         * lra-assigns.c (lra_assign): Same.
  44         * lra-constraints.c (lra_constraints): Same.
  45         * lto-streamer-in.c (lto_input_mode_table): Same.
  46         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
  47         (merge_and_complain): Same.
  48         (compile_offload_image): Same.
  49         (compile_images_for_offload_targets): Same.
  50         (debug_objcopy): Same.
  51         (run_gcc): Same.
  52         (main): Same.
  53         * opts.c (print_specific_help): Same.
  54         (parse_no_sanitize_attribute): Same.
  55         (print_help): Same.
  56         (handle_param): Same.
  57         * plugin.c (add_new_plugin): Same.
  58         (parse_plugin_arg_opt): Same.
  59         (try_init_one_plugin): Same.
  60         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
  61         operators, and types in diagnostics.  Correct quoting and spelling
  62         issues.
  63         * read-rtl-function.c (parse_edge_flag_token): Same.
  64         (function_reader::parse_enum_value): Same.
  65         * reg-stack.c (check_asm_stack_operands): Same.
  66         * regcprop.c (validate_value_data): Same.
  67         * sched-rgn.c (make_pass_sched_fusion): Same.
  68         * stmt.c (check_unique_operand_names): Same.
  69         * targhooks.c (default_target_option_pragma_parse): Same.
  70         * tlink.c (recompile_files): Same.
  71         * toplev.c (process_options): Same.
  72         (do_compile): Same.
  73         * trans-mem.c (diagnose_tm_1): Same.
  74         (ipa_tm_scan_irr_block): Same.
  75         (ipa_tm_diagnose_transaction): Same.
  76         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
  77         format a tree code name in a diagnostic.
  78         (verify_types_in_gimple_min_lval): Same.
  79         (verify_types_in_gimple_reference): Same.
  80         (verify_gimple_call): Same.
  81         (verify_gimple_assign_unary): Same.
  82         (verify_gimple_assign_binary): Same.
  83         (verify_gimple_assign_ternary): Same.
  84         (verify_gimple_assign_single): Same.
  85         (verify_gimple_switch): Same.
  86         (verify_gimple_label): Same.
  87         (verify_gimple_phi): Same.
  88         (verify_gimple_in_seq): Same.
  89         (verify_eh_throw_stmt_node): Same.
  90         (collect_subblocks): Same.
  91         (gimple_verify_flow_info): Same.
  92         (do_warn_unused_result): Same.
  93         * tree-inline.c (expand_call_inline): Same.
  94         * tree-into-ssa.c (update_ssa): Same.
  95         * tree.c (tree_int_cst_elt_check_failed): Same.
  96         (tree_vec_elt_check_failed): Same.
  97         (omp_clause_operand_check_failed): Same.
  98         (verify_type_variant): Same.
  99         (verify_type): Same.
 100         * value-prof.c (verify_histograms): Same.
 101         * varasm.c (assemble_start_function): Same.
 102
 103 2019-05-16  Martin Sebor  <msebor@redhat.com>
 104
 105         * config/i386/i386-expand.c (get_element_number): Quote keywords
 106         and other internal names in diagnostics.  Adjust other diagnostic
 107         formatting issues noted by -Wformat-diag.
 108         * config/i386/i386-features.c
 109         (ix86_mangle_function_version_assembler_name): Same.
 110         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
 111         * config/i386/i386.c (ix86_function_type_abi): Same.
 112         (ix86_function_ms_hook_prologue): Same.
 113         (classify_argument): Same.
 114         (ix86_expand_prologue): Same.
 115         (ix86_md_asm_adjust): Same.
 116         (ix86_memmodel_check): Same.
 117
 118 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
 119
 120         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
 121         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
 122         and fpxx modes.
 123
 124 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
 125
 126         PR target/90497
 127         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
 128         intrinsics without SSE/SSE2/SSSE3.
 129         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
 130         check.
 131         (*mmx_uavgv8qi3): Likewise.
 132
 133 2019-05-17  Richard Biener  <rguenther@suse.de>
 134
 135         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
 136         VEC_PERM_EXPR as __VEC_PERM with -gimple.
 137
 138 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
 139
 140         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
 141         vec_sldw insn pattern.
 142
 143 2019-05-17  Richard Biener  <rguenther@suse.de>
 144
 145         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
 146
 147 2019-05-17  Martin Liska  <mliska@suse.cz>
 148
 149         PR driver/90496
 150         * toplev.c (output_stack_usage): With LTO and sanitizer it
 151         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
 152         has no file location.
 153
 154 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 155
 156         PR c++/90484
 157         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
 158         sz0 is equal to sz1, instead return false in that case.
 159
 160         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
 161         has non-constant expression, force sctx.lane and use two
 162         argument IFN_GOMP_SIMD_LANE instead of single argument.
 163         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
 164         two argument IFN_GOMP_SIMD_LANE without lhs.
 165         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
 166         member.
 167         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
 168         Define.
 169         (LOOP_REQUIRES_VERSIONING): Or in
 170         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
 171         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 172         simd_if_cond.
 173         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
 174         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
 175         from simd if clause if needed.
 176
 177 2019-05-16  Richard Biener  <rguenther@suse.de>
 178
 179         * tree-affine.c (expr_to_aff_combination): New function split
 180         out from...
 181         (tree_to_aff_combination): ... here.
 182         (aff_combination_expand): Avoid building a GENERIC tree.
 183
 184 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
 185
 186         * cgraphunit.c (cgraph_node::expand_thunk): Remove
 187         assemble_start_function and assemble_end_function calls.
 188         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
 189         assemble_start_function and assemble_end_function.
 190         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
 191         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
 192         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
 193         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
 194         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
 195         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
 196         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
 197         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
 198         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 199         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 200         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 201         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
 202         Likewise.
 203         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 204         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
 205         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
 206         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
 207         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 208         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 209         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
 210         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
 211         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 212         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
 213         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 214         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 215         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
 216         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
 217         Likewise.
 218         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 219         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 220         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
 221
 222 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
 223
 224         * tree-ssa-alias.c (alias_stats): Add
 225         aliasing_component_refs_p_may_alias and
 226         aliasing_component_refs_p_no_alias.
 227         (dump_alias_stats): Print aliasing_component_refs_p stats.
 228         (aliasing_component_refs_p): Update stats.
 229
 230 2019-05-16  Martin Liska  <mliska@suse.cz>
 231
 232         PR lto/90500
 233         * multiple_target.c (expand_target_clones): Do not allow
 234         target_clones being used with a symbol that is an alias.
 235
 236 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
 237
 238         PR tree-optimization/90394
 239         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
 240         positives rather than ICE for cases where (code2 == NE_EXPR
 241         && code1 == BIT_AND_EXPR).
 242
 243 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 244
 245         PR fortran/90329
 246         * tree-core.h (struct tree_decl_common): Document
 247         decl_nonshareable_flag for PARM_DECLs.
 248         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
 249         * calls.c (expand_call): Don't try tail call if caller
 250         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
 251         passed on the stack and callee needs to pass any arguments on the
 252         stack.
 253         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
 254         else if instead of series of mutually exclusive ifs.  Handle
 255         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
 256         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
 257
 258         * lto-streamer.h (LTO_major_version): Bump to 9.
 259
 260 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
 261
 262         PR tree-optimization/90106
 263         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
 264         new parameter as new internal function call, also move it to new
 265         basic block.
 266         (use_internal_fn): Pass internal function call to
 267         shrink_wrap_one_built_in_call_with_conds.
 268
 269 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
 270
 271         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
 272         max_vf to 1.
 273         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
 274         safelen_int and set loop->dont_vectorize.
 275
 276 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 277
 278         PR target/89021
 279         * config/i386/i386-builtin.def: Enable MMX intrinsics with
 280         SSE/SSE2/SSSE3.
 281         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
 282         Likewise.
 283         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
 284         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
 285         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
 286         is defined.
 287
 288 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 289
 290         PR target/89021
 291         * config/i386/mmx.md (*vec_dupv2sf): Changed to
 292         define_insn_and_split to support SSE emulation.
 293         (*vec_extractv2sf_0): Likewise.
 294         (*vec_extractv2sf_1): Likewise.
 295         (*vec_extractv2si_0): Likewise.
 296         (*vec_extractv2si_1): Likewise.
 297         (*vec_extractv2si_zext_mem): Likewise.
 298         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
 299         (vec_extractv2sf_1 splitter): Likewise.
 300         (vec_extractv2sfsf): Likewise.
 301         (vec_setv2si): Likewise.
 302         (vec_extractv2si_1 splitter): Likewise.
 303         (vec_extractv2sisi): Likewise.
 304         (vec_setv4hi): Likewise.
 305         (vec_extractv4hihi): Likewise.
 306         (vec_setv8qi): Likewise.
 307         (vec_extractv8qiqi): Likewise.
 308         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 309         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
 310         (vec_extractv2sisi): Likewise.
 311         (vec_extractv4hihi): Likewise.
 312         (vec_extractv8qiqi): Likewise.
 313         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 314         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
 315         (vec_initv2sisi): Likewise.
 316         (vec_initv4hihi): Likewise.
 317         (vec_initv8qiqi): Likewise.
 318         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
 319         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
 320         (vec_setv4hi): Likewise.
 321         (vec_setv8qi): Likewise.
 322
 323 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 324
 325         PR target/89021
 326         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
 327         TARGET_MMX_WITH_SSE.
 328         (MMXMODE:*mov<mode>_internal): Likewise.
 329         (MMXMODE:movmisalign<mode>): Likewise.
 330
 331 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
 332
 333         PR target/89021
 334         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
 335         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
 336         (sse2_cvtpd2pi): Ditto.
 337         (sse2_cvttpd2pi): Ditto.
 338         (*vec_concatv2sf_sse4_1): Ditto.
 339         (*vec_concatv2sf_sse): Ditto.
 340         (*vec_concatv2si_sse4_1): Ditto.
 341         (*vec_concatv2si): Ditto.
 342         (*vec_concatv4si_0): Ditto.
 343         (*vec_concatv2di_0): Ditto.
 344
 345 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 346
 347         PR target/89021
 348         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
 349
 350 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 351
 352         PR target/89021
 353         * config/i386/sse.md (ssse3_palignrdi): Changed to
 354         define_insn_and_split to support SSE emulation.
 355
 356 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 357
 358         PR target/89021
 359         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
 360
 361 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 362
 363         PR target/89021
 364         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
 365         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 366         SSE emulation.
 367
 368 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 369
 370         PR target/89021
 371         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
 372         or TARGET_MMX_WITH_SSE.
 373         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
 374
 375 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 376
 377         PR target/89021
 378         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
 379
 380 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 381
 382         PR target/89021
 383         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
 384         Changed to define_insn_and_split to support SSE emulation.
 385
 386 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 387
 388         PR target/89021
 389         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
 390         Changed to define_insn_and_split to support SSE emulation.
 391
 392 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 393
 394         PR target/89021
 395         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
 396         (*mmx_<emms>): This.
 397         (mmx_<emms>): New expander.
 398
 399 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 400
 401         PR target/89021
 402         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
 403         support.
 404         (*sse2_umulv1siv1di3): Add SSE2 emulation.
 405
 406 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 407
 408         PR target/89021
 409         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
 410
 411 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 412
 413         PR target/89021
 414         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
 415
 416 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 417
 418         PR target/89021
 419         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
 420         TARGET_MMX_WITH_SSE.
 421         (*mmx_uavgv4hi3): Add SSE emulation.
 422
 423 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 424
 425         PR target/89021
 426         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
 427         and TARGET_MMX_WITH_SSE.
 428         (*mmx_uavgv8qi3): Add SSE emulation.
 429
 430 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 431
 432         PR target/89021
 433         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
 434         maskmovdqu for __MMX_WITH_SSE__.
 435
 436 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 437
 438         PR target/89021
 439         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
 440         TARGET_MMX and TARGET_MMX_WITH_SSE.
 441         (*mmx_umulv4hi3_highpart): Add SSE emulation.
 442
 443 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 444
 445         PR target/89021
 446         * config/i386/mmx.md (mmx_pmovmskb): Changed to
 447         define_insn_and_split to support SSE emulation.
 448
 449 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 450
 451         PR target/89021
 452         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
 453         and TARGET_MMX_WITH_SSE.
 454         (mmx_<code>v8qi3): Likewise.
 455         (smaxmin:<code>v4hi3): New.
 456         (umaxmin:<code>v8qi3): Likewise.
 457         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
 458         (umaxmin:*mmx_<code>v8qi3): Likewise.
 459
 460 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 461
 462         PR target/89021
 463         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
 464         TARGET_MMX_WITH_SSE.
 465         (*mmx_pinsrw): Add SSE emulation.
 466
 467 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 468
 469         PR target/89021
 470         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
 471
 472 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 473
 474         PR target/89021
 475         * config/i386/sse.md (sse_cvtpi2ps): Changed to
 476         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 477         SSE emulation.
 478
 479 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 480
 481         PR target/89021
 482         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
 483         (sse_cvttps2pi): Likewise.
 484
 485 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 486
 487         PR target/89021
 488         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
 489         TARGET_MMX_WITH_SSE.
 490         (mmx_pshufw_1): Add SSE emulation.
 491         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
 492         TARGET_MMX_WITH_SSE to support SSE emulation.
 493
 494 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 495
 496         PR target/89021
 497         * config/i386/constraints.md (Yw): New constraint.
 498         * config/i386/mmx.md (*vec_dupv2si): Changed to
 499         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
 500         support SSE emulation.
 501
 502 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 503
 504         PR target/89021
 505         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
 506         TARGET_MMX_WITH_SSE.
 507         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
 508         support.
 509         (mmx_gt<mode>3): Likewise.
 510
 511 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 512
 513         PR target/89021
 514         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
 515         TARGET_MMX_WITH_SSE.  Add SSE support.
 516
 517 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 518
 519         PR target/89021
 520         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
 521         TARGET_MMX_WITH_SSE.
 522         (any_logic:<code><mode>3): New.
 523         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
 524         Add SSE support.
 525
 526 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 527
 528         PR target/89021
 529         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
 530         TARGET_MMX_WITH_SSE.  Add SSE emulation.
 531         (mmx_<shift_insn><mode>3): Likewise.
 532         (ashr<mode>3): New.
 533         (<shift_insn><mode>3): Likewise.
 534
 535 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 536
 537         PR target/89021
 538         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
 539         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
 540
 541 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 542
 543         PR target/89021
 544         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
 545         TARGET_MMX_WITH_SSE.
 546         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
 547         SSE support.
 548
 549 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 550
 551         PR target/89021
 552         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
 553         TARGET_MMX_WITH_SSE.
 554         (mulv4hi3): New.
 555         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
 556         support.
 557
 558 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 559
 560         PR target/89021
 561         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
 562         (plusminus:mmx_<plusminus_insn><mode>3): Check
 563         TARGET_MMX_WITH_SSE.
 564         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
 565         (<plusminus_insn><mode>3): New.
 566         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
 567         (*mmx_<plusminus_insn><mode>3): Likewise.
 568
 569 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 570
 571         PR target/89021
 572         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
 573         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
 574         prototype.
 575         * config/i386/mmx.m (mmx_punpckhbw): Changed to
 576         define_insn_and_split to support SSE emulation.
 577         (mmx_punpcklbw): Likewise.
 578         (mmx_punpckhwd): Likewise.
 579         (mmx_punpcklwd): Likewise.
 580         (mmx_punpckhdq): Likewise.
 581         (mmx_punpckldq): Likewise.
 582
 583 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 584             Uros Bizjak  <ubizjak@gmail.com>
 585
 586         PR target/89021
 587         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
 588         New function.
 589         (ix86_split_mmx_pack): Likewise.
 590         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
 591         New prototype.
 592         (ix86_split_mmx_pack): Likewise.
 593         * config/i386/i386.md (mmx_isa): New.
 594         (enabled): Also check mmx_isa.
 595         * config/i386/mmx.md (any_s_truncate): New code iterator.
 596         (s_trunsuffix): New code attr.
 597         (mmx_packsswb): Removed.
 598         (mmx_packssdw): Likewise.
 599         (mmx_packuswb): Likewise.
 600         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
 601         MMX packsswb/packuswb with SSE2.
 602         (mmx_packssdw): Likewise.
 603         * config/i386/predicates.md (register_mmxmem_operand): New.
 604
 605 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 606
 607         PR target/89021
 608         * config/i386/i386-c.c (ix86_target_macros_internal): Define
 609         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
 610         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
 611         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
 612         (ix86_vector_mode_supported_p): Likewise.
 613         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
 614
 615 2019-05-15  Martin Liska  <mliska@suse.cz>
 616
 617         PR middle-end/90478
 618         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
 619         Check for overflow.
 620
 621 2019-05-15  Richard Biener  <rguenther@suse.de>
 622
 623         * tree-into-ssa.c (pass_build_ssa::execute): Run
 624         update_address_taken before going into SSA.
 625
 626 2019-05-15  Richard Biener  <rguenther@suse.de>
 627
 628         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
 629         as __BIT_FIELD_REF with type with -gimple.
 630
 631 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
 632
 633         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
 634         semantically equivalent branches (left over after prior refactorings).
 635
 636 2019-05-15  Richard Biener  <rguenther@suse.de>
 637
 638         PR tree-optimization/88828
 639         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
 640         bogus check.
 641
 642 2019-05-14  Richard Biener  <rguenther@suse.de>
 643
 644         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
 645         as __VIEW_CONVERT with -gimple.
 646
 647 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
 648
 649         PR target/82920
 650         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
 651         Darwin.
 652
 653 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
 654
 655         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
 656         define_split to become a define_insn_and_split.
 657
 658 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
 659
 660         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
 661         arguments.
 662         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
 663         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
 664         (sibcall_epilogue): Adjust.
 665         (epilogue): Adjust.
 666
 667 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 668
 669         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
 670         to unsupported ones.
 671         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
 672         * config.host: Likewise.
 673         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
 674         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
 675         __svr4__]: Remove "brand" fallback.
 676         [!KSTAT_DATA_STRING]: Remove.
 677         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
 678         to *-*-solaris2*.
 679         (comdat_group): Likewise.
 680         (set_have_as_tls): Likewise.
 681         (gcc_cv_target_dl_iterate_phdr): Likewise.
 682         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
 683         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
 684         * configure: Regenerate.
 685         * doc/install.texi: Simplify Solaris target triplets.
 686         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
 687         (Specific, *-*-solaris2*): Document Solaris 10 removal.
 688         Remove Solaris 10 references.
 689         Remove obsolete Solaris bug reference.
 690         (Specific, sparc-sun-solaris2.10): Remove.
 691
 692 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
 693
 694         * config/i386/i386.md (any_div): New code iterator.
 695         (paired_mod): New code attribute.
 696         (sgnprefix): Handle DIV and UDIV RTXes.
 697         (u): Ditto.
 698         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
 699         and udivmod<mode>4 patterns using any_div code iterator.
 700         (divmod splitters): Macroize splitters using any_div code iterator.
 701         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
 702         (*udivmodsi4_pow2_zext_2): Ditto.
 703         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
 704         and *udivmod<mode>4_noext patterns using any_div code iterator.
 705         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
 706         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
 707         patterns using any_div code iterator.
 708         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
 709         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
 710         patterns using any_div code iterator.
 711         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
 712         udivmodhiqi3 patterns using any_extend code iterator.
 713
 714 2019-05-14  Richard Biener  <rguenther@suse.de>
 715             H.J. Lu  <hongjiu.lu@intel.com>
 716
 717         PR tree-optimization/88828
 718         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
 719         permuting in a single non-constant element not extracted
 720         from a vector.
 721
 722 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 723
 724         * internal-fn.def (SIGNBIT): New.
 725         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
 726         defined.
 727         (signbitv4sf2): Likewise.
 728
 729 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
 730
 731         PR target/90357
 732         * config/mips/mips.c (mips_split_move): Skip forward SRC into
 733         next insn when the SRC reg is dead.
 734
 735 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
 736
 737         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
 738         (alloc_cand_and_find_basis): Ditto.
 739         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
 740         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
 741         (create_add_imm_cand, slsr_process_cast): Ditto.
 742         (slsr_process_copy, replace_mult_candidate): Ditto.
 743         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
 744         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
 745         (pass_strength_reduction::execute): Init the first NULL element.
 746
 747 2019-05-13  Nathan Sidwell  <nathan@acm.org>
 748
 749         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
 750         (run_attempt): Reformat line break.
 751
 752 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
 753
 754         PR target/90418
 755         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
 756         data registers in sibcall epilogues.
 757         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
 758
 759 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
 760
 761         PR target/89221
 762         * configure.ac (--enable-frame-pointer):
 763         Disable by default for cygwin and mingw.
 764         * configure: Regenerate.
 765
 766 2019-05-13  Nathan Sidwell  <nathan@acm.org>
 767
 768         * dwarf2out.c (breakout_comdat_types): Move comment to correct
 769         piece of code.
 770         (const_ok_for_output_1): Balance parens around #if/#else/#endif
 771         (gen_member_die): Move abstract origin check earlier.  Only VARs
 772         can be static_inline_p.  Simplify splicing control flow.
 773
 774 2019-05-13  Richard Biener  <rguenther@suse.de>
 775
 776         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
 777         VIEW_CONVERT_EXPR.
 778         (vect_build_slp_tree_1): Likewise.
 779
 780 2019-05-13  Richard Biener  <rguenther@suse.de>
 781
 782         PR tree-optimization/90402
 783         * tree-if-conv.c (tree_if_conversion): Value number only
 784         the loop body by making the latch an exit of the region
 785         as well.
 786         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
 787         processing PHIs.
 788         (do_rpo_vn): Deal with multiple edges into the entry block
 789         that are not backedges inside the region by skipping PHIs
 790         of the entry block.
 791
 792 2019-05-13  Richard Biener  <rguenther@suse.de>
 793
 794         PR tree-optimization/90316
 795         * tree-ssa-pre.c (insert_aux): Fold into ...
 796         (insert): ... this function.  Use a RPO walk to reduce the
 797         number of required iterations.
 798
 799 2019-05-13  Martin Liska  <mliska@suse.cz>
 800
 801         PR tree-optimization/90416
 802         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
 803         string instead of passing the second part as va_arg argument.
 804
 805 2019-05-13  Martin Liska  <mliska@suse.cz>
 806
 807         PR gcov-profile/90380
 808         * gcov.c (handle_cycle): Do not support zero cycle count,
 809         it should not be possible.
 810         (path_contains_zero_cycle_arc): New function.
 811         (circuit): Ignore zero cycle arc counts.
 812
 813 2019-05-13  Martin Liska  <mliska@suse.cz>
 814
 815         PR gcov-profile/90380
 816         * gcov.c (enum loop_type): Remove the enum and
 817         the operator.
 818         (handle_cycle): Assert that we should not reach
 819         a negative count.
 820         (circuit): Use loop_found instead of a tri-state loop_type.
 821         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
 822         happen.
 823
 824 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
 825
 826         PR target/82920
 827         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
 828         (ix86_output_indirect_branch_via_reg): Use output mechanism
 829         accounting for __USER_LABEL_PREFIX__.
 830         (ix86_output_indirect_branch_via_push): Likewise.
 831         (ix86_output_function_return): Likewise.
 832         (ix86_output_indirect_function_return): Likewise.
 833
 834 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
 835
 836         * doc/md.texi: Document use of code attributes in rtx patterns.
 837         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
 838         * read-rtl.c (find_code): Split out search loops into...
 839         (maybe_find_code): ...this new function.
 840         (check_code_iterator): Make the error message more informative.
 841         (check_code_attribute): New function.
 842         (rtx_reader::rtx_alloc_for_name): Likewise.
 843         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
 844         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
 845         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
 846         <max_opp> directly as an rtx code instead of via a match_operator.
 847         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
 848         (<su>abd<mode>_3): Update accordingly.
 849
 850 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
 851
 852         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
 853         is given, print the state of the EH "save world" computation for
 854         Darwin.
 855
 856 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
 857
 858         PR c++/59813
 859         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
 860         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
 861
 862 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
 863
 864         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
 865         Use pinsrd for TARGET_SSE4_1.
 866         * config/i386/sse.md (movdi_to_sse): Ditto.
 867
 868 2019-05-10  Richard Biener  <rguenther@suse.de>
 869
 870         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
 871         (do_rpo_vn): Initialize next_value_id.
 872
 873 2019-05-10  Martin Liska  <mliska@suse.cz>
 874
 875         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
 876         Fix plural form.
 877
 878 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
 879
 880         PR tree-optimization/90385
 881         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
 882         arguments of the exit phis.
 883
 884         PR c++/90383
 885         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
 886         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
 887         id->do_not_fold.
 888         (copy_tree_body_r): Likewise.
 889         (copy_fn): Set id.do_not_fold to true.
 890
 891 2019-05-10  Martin Liska  <mliska@suse.cz>
 892
 893         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
 894         Reapply changes from r269790.
 895
 896 2019-05-10  Martin Liska  <mliska@suse.cz>
 897
 898         PR middle-end/90340
 899         * doc/invoke.texi: New params.
 900         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
 901         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
 902         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
 903         Use it.
 904         * tree-switch-conversion.h (struct jump_table_cluster):
 905         Likewise.
 906
 907 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
 908
 909         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
 910
 911 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
 912
 913         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
 914
 915 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
 916
 917         PR rtl-optimization/88879
 918         * sel-sched.c (sel_target_adjust_priority): Remove assert.
 919
 920 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
 921
 922         PR target/90405
 923         * config/arm/arm.c (callee_saved_reg_p): Move before
 924         thumb_find_work_register.
 925         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
 926         thumb_find_work_register.  Only call df_get_live_out once.
 927         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
 928         (thumb_find_work_register): Use
 929         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
 930         algorithms to locate a spare call clobbered reg.
 931
 932 2019-05-09  Martin Liska  <mliska@suse.cz>
 933
 934         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
 935         and MAX_EXPR in GIMPLE FE format.
 936
 937 2019-05-09  Martin Liska  <mliska@suse.cz>
 938
 939         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
 940         * gimple-pretty-print.c (dump_gimple_bb_header):
 941         Dump BB count.
 942         (pp_cfg_jump): Dump edge probability.
 943         * profile-count.c (profile_quality_as_string): Simplify
 944         with a static array.
 945         (parse_profile_quality): New function.
 946         (profile_count::dump): Simplify with a static array.
 947         (profile_count::from_gcov_type): Add new argument.
 948         * profile-count.h (parse_profile_quality): Likewise.
 949         * predict.h (set_hot_bb_threshold): New.
 950         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
 951         New param.
 952         * predict.c (get_hot_bb_threshold): Set from the new param.
 953         (set_hot_bb_threshold): New.
 954
 955 2019-05-09  Richard Biener  <rguenther@suse.de>
 956
 957         PR tree-optimization/90395
 958         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
 959         rewrite vector stores that throw internally.
 960
 961 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
 962
 963         * cif-code.def (CHKP): Remove.
 964
 965         PR target/89221
 966         * configure.ac (--enable-frame-pointer): Disable by default for
 967         GNU systems.
 968         * configure: Regenerate.
 969
 970 2019-05-09  Alan Modra  <amodra@gmail.com>
 971
 972         PR target/89271
 973         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
 974         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
 975         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
 976         cost for general <-> vsx when direct moves are available.
 977         Cost union classes at minimal cost for any reg in the class.
 978         Correct calculation for moves between vsx, float, and altivec.
 979         Don't return a low cost for moves between special regs.  Don't
 980         use hard coded register numbers.
 981         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
 982         (rs6000_ira_change_pseudo_allocno_class): New function.
 983         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
 984         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
 985         alternatives.
 986         (movsi_internal1): Don't disparage vector alternatives.
 987         (mov<mode>_internal): Likewise, excepting alternative that
 988         will be split.
 989         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
 990         we <- b alternative.
 991
 992 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
 993
 994         PR c++/59813
 995         PR tree-optimization/89060
 996         * tree-ssa-live.h (live_vars_map): New typedef.
 997         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
 998         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
 999         (struct compute_live_vars_data): New type.
1000         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1001         live_vars_at_stmt, destroy_live_vars): New functions.
1002         * tree-tailcall.c: Include tree-ssa-live.h.
1003         (live_vars, live_vars_vec): New global variables.
1004         (find_tail_calls): Perform variable life analysis before punting.
1005         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1006         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1007         member.
1008         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1009         Perform variable life analysis to select variables that really need
1010         clobbers added.
1011         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1012         instead set id->eh_landing_pad_dest and assert it is the same.
1013         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1014
1015 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1016             Richard Earnshaw  <rearnsha@arm.com>
1017
1018         PR target/88167
1019         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1020         function.
1021         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1022         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1023         register if both the epilogue and prologue can use call-clobbered
1024         regs.
1025         (thumb1_unexpanded_epilogue): Use
1026         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1027         picking temporaries for restoring high regs to match that of the
1028         prologue where possible.
1029         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1030         the list of work registers.  Detect if the return address is still live
1031         at the end of the prologue and avoid using it for a work register if so.
1032         If the return address is not live, add LR to the list of pushable regs
1033         after the first pass.
1034
1035 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1036
1037         PR tree-optimization/90078
1038         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1039         (INFTY): Increase the value for infinite cost.
1040         (struct comp_cost): Promote type of members to int64_t.
1041         (infinite_cost): Don't set complexity in initialization.
1042         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1043         overflows to infinite_cost.
1044         (adjust_setup_cost): Promote type of parameter and cost computation
1045         to int64_t.
1046         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1047         int64_t.
1048         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1049         cost computation to int64_t.
1050         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1051         int64_t's format specifier in dump.
1052
1053 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1054
1055         PR tree-optimization/90240
1056         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1057         with respect to scaling factor pre-computed for each basic block.
1058         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1059         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1060         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1061         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1062         live range for array of loop's basic blocks.  Cleanup aux field of
1063         loop's basic blocks.
1064
1065 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1066
1067         PR tree-optimization/90356
1068         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1069
1070 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1071
1072         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
1073         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
1074         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
1075         (ix86_handle_option): Handle -mavx512bf16.
1076         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
1077         to extra_headers.
1078         * config/i386/avx512bf16vlintrin.h: New.
1079         * config/i386/avx512bf16intrin.h: New.
1080         * config/i386/cpuid.h (bit_AVX512BF16): New.
1081         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
1082         * config/i386/i386-builtin-types.def: Add new types.
1083         * config/i386/i386-builtin.def: Add new builtins.
1084         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1085         __AVX512BF16__.
1086         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
1087         (ix86_option_override_internal): Handle BF16.
1088         (ix86_valid_target_attribute_inner_p): Ditto.
1089         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
1090         * config/i386/i386-builtin.c (enum processor_features): Add
1091         F_AVX512BF16.
1092         (static const _isa_names_table isa_names_table): Ditto.
1093         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
1094         (PTA_AVX512BF16): Ditto.
1095         * config/i386/i386.opt: Add -mavx512bf16.
1096         * config/i386/immintrin.h: Include avx512bf16intrin.h
1097         and avx512bf16vlintrin.h.
1098         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
1099         avx512f_cvtneps2bf16_<mode><mask_name>,
1100         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
1101         * config/i386/subst.md (mask_half): Add new subst.
1102         * doc/invoke.texi: Document -mavx512bf16.
1103
1104 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
1105
1106         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
1107         Delete declaration.
1108         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
1109         (rs6000_debug_legitimize_reload_address): Delete.
1110         (rs6000_legitimize_reload_address_ptr): Delete.
1111         (rs6000_option_override_internal): Adjust.
1112         (mem_operand_gpr): Adjust comment.
1113         (legitimate_lo_sum_address_p): Ditto.
1114         (rs6000_legitimize_reload_address): Delete.
1115         (rs6000_debug_legitimize_reload_address): Delete.
1116         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
1117
1118 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1119
1120         PR target/89765
1121         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1122         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
1123         to compute vector element selector for both constant and variable
1124         operands.
1125
1126 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1127
1128         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
1129         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
1130         ashrdi3_cvt using SWI48 mode iterator.
1131
1132 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1133
1134         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
1135         (aarch64_<su>abd<mode>_3): Likewise.
1136         (*aarch64_<su>abd<mode>_3): New define_insn.
1137         (<sur>sad<vsi2qi>): New define_expand.
1138         * config/aarch64/iterators.md: Added MAX_OPP attribute.
1139         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
1140         (build_vect_cond_expr): Likewise.
1141
1142 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1143
1144         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
1145         clobbers outside of accessible_reg_set.
1146         * config/i386/i386.c (ix86_conditional_register_usage):
1147         Disable register sets by clearing corresponding bits in
1148         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
1149         call_used_regs and don't clear corresponding reg_names array members.
1150
1151 2019-05-07  Richard Biener  <rguenther@suse.de>
1152
1153         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
1154         not specified still compute a comp_vectype for invariant
1155         compares.
1156
1157 2019-05-07  Richard Biener  <rguenther@suse.de>
1158
1159         PR tree-optimization/90316
1160         * tree-ssa-pre.c (translate_vuse_through_block): When
1161         same_valid is NULL do not bother to search for a virtual
1162         PHI continuation.
1163         (phi_translate_1): When operands changed we cannot keep
1164         the same value-number so do not bother to ask whether
1165         that's possible from translate_vuse_through_block.
1166
1167 2019-05-07  Martin Liska  <mliska@suse.cz>
1168
1169         * bitmap.c (bitmap_register): Come up with
1170         alloc_descriptor_max_uid and assign it for
1171         a new bitmap.
1172         (register_overhead): Use get_descriptor as
1173         a descriptor.
1174         (release_overhead): New.
1175         (bitmap_elem_to_freelist): Call it.
1176         (bitmap_elt_clear_from): Likewise.
1177         (bitmap_obstack_free): Likewise.
1178         (bitmap_move): Sensitively release memory.
1179         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
1180         (bitmap_initialize): Initialize alloc_descriptor to zero.
1181         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
1182
1183 2019-05-07  Richard Biener  <rguenther@suse.de>
1184
1185         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
1186         we build a SLP node.  Remove max_size and limiting.
1187         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
1188
1189 2019-05-07  Richard Biener  <rguenther@suse.de>
1190
1191         PR tree-optimization/90316
1192         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
1193         limit by reference.
1194         (walk_non_aliased_vuses): Take walking limit argument.
1195         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
1196         walking if it is reached instead of just counting.
1197         (get_continuation_for_phi): Likewise.
1198         (walk_non_aliased_vuses): Likewise, instead of leaving counter
1199         limiting to the callback.
1200         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
1201         (vn_reference_lookup_3): Likewise.
1202         (vn_reference_lookup_pieces): Likewise.
1203         (vn_reference_lookup): Likewise.
1204         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
1205         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
1206         (avail_exprs_stack::lookup_avail_expr): Likewise.
1207
1208 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
1209
1210         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
1211         for comparaible types in the second direction even if first one
1212         hits incomparable type.
1213
1214 2019-05-07  Richard Biener  <rguenther@suse.de>
1215
1216         PR lto/90369
1217         * lto-wrapper.c (debug_objcopy): Use the original filename
1218         including archive offset for the filename used for -save-temps.
1219
1220 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
1221
1222         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
1223         detection.
1224
1225 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1226
1227         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
1228         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
1229         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
1230         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
1231         (FRAME_POINTER_REGNUM): Change numbering.
1232         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
1233         (alt_reg_names): Adjust.
1234         (rs6000_conditional_register_usage): Don't mark hard register 64 as
1235         fixed.
1236         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1237         (DWARF_FRAME_REGISTERS): Delete.
1238         (DWARF2_FRAME_REG_OUT): Fix whitespace.
1239         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1240         Adjust.
1241         (REG_ALLOC_ORDER): Adjust.
1242         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
1243         (REG_CLASS_CONTENTS): Adjust.
1244         (RETURN_ADDR_RTX): Change comment.
1245         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
1246         instead of 67.
1247         (REGISTER_NAMES): Adjust.
1248         (ADDITIONAL_REGISTER_NAMES): Adjust.
1249         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1250
1251 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1252
1253         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
1254         Delete.
1255         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1256         (DWARF_FRAME_REGISTERS): Adjust.
1257         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1258         Adjust.
1259         (REG_ALLOC_ORDER): Adjust.
1260         (enum reg_class): Delete SPR_REGS.
1261         (REG_CLASS_NAMES): Delete SPR_REGS.
1262         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
1263         (REGISTER_NAMES): Adjust.
1264         (ADDITIONAL_REGISTER_NAMES): Adjust.
1265         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1266         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
1267         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
1268         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
1269         (htm_spr_regno): Delete.
1270         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
1271         argument.
1272         (rs6000_dbx_register_number): Adjust.
1273
1274 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1275
1276         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
1277
1278 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1279
1280         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
1281         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
1282
1283 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
1284
1285         PR tree-optimization/88709
1286         PR tree-optimization/90271
1287         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
1288         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
1289         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
1290         variable.
1291         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
1292         of the store merging group is larger than
1293         PARAM_STORE_MERGING_MAX_SIZE parameter.
1294         (split_group): Add bzero_first argument.  If set, always emit first
1295         the first store which must be = {} of the whole area and then for the
1296         rest of the stores consider all zero bytes as paddings.
1297         (imm_store_chain_info::output_merged_store): Check if first store
1298         is = {} of the whole area and if yes, determine which setting of
1299         bzero_first for split_group gives smaller number of stores.  Adjust
1300         split_group callers.
1301         (lhs_valid_for_store_merging_p): Allow decls.
1302         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
1303         no elts.
1304         (pass_store_merging::process_store): Likewise.
1305
1306 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1307
1308         PR target/89424
1309         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
1310         handling of V1TImode.
1311
1312 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
1313
1314         PR target/89221
1315         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
1316         and enable_frame_pointer ...
1317         * configure.ac: ... here.  Update help strings for
1318         --enable-frame-pointer.
1319         * configure: Regenerate.
1320         * config/i386/i386-options.c (ix86_option_override_internal): Remove
1321         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
1322         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
1323         (USE_X86_64_FRAME_POINTER): Ditto.
1324
1325 2019-05-06  Martin Liska  <mliska@suse.cz>
1326
1327         * config.gcc: Append to target_gtfiles and fix indentation.
1328
1329 2019-05-06  Richard Biener  <rguenther@suse.de>
1330
1331         PR tree-optimization/90358
1332         * tree-vect-stmts.c (get_group_load_store_type): Properly
1333         detect unused upper half of load.
1334         (vectorizable_load): Likewise.
1335
1336 2019-05-06  Richard Biener  <rguenther@suse.de>
1337
1338         PR tree-optimization/88828
1339         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
1340         (simplify_vector_constructor): ...here.  Handle constants in
1341         the constructor.
1342
1343 2019-05-06  Richard Biener  <rguenther@suse.de>
1344
1345         PR tree-optimization/90328
1346         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
1347         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
1348         is valid in the loop nest before using it.
1349         (initialize_data_dependence_relation): Adjust.
1350         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
1351         loop as loop-nest to dr_may_alias_p.
1352
1353 2019-05-06  Richard Biener  <rguenther@suse.de>
1354
1355         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
1356
1357 2019-05-06  Richard Biener  <rguenther@suse.de>
1358
1359         PR tree-optimization/90316
1360         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
1361         compute target on demand.
1362         (get_continuation_for_phi): Remove code walking stmts to
1363         get to a target virtual operand which could end up being
1364         quadratic.
1365
1366 2019-05-06  Martin Liska  <mliska@suse.cz>
1367
1368         PR sanitizer/90312
1369         * config/i386/i386-options.c (ix86_option_override_internal): Error only
1370         when -mabi is selected to a non-default version.
1371
1372 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
1373             Martin Liska  <mliska@suse.cz>
1374
1375         * Makefile.in: Add lto-dump.texi.
1376         * cgraph.h: Add new functions get_visibility_string and
1377         get_symtab_type_string.
1378         * doc/gcc.texi: Include lto-dump section.
1379         * doc/lto-dump.texi: New file.
1380         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
1381         (parse_dump_option): Factor out this function.
1382         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
1383         (parse_dump_option): Export the function.
1384         * symtab.c (symtab_node::get_visibility_string): New function.
1385         (symtab_node::get_symtab_type_string): Likewise.
1386
1387 2019-05-06  Martin Liska  <mliska@suse.cz>
1388
1389         * config/i386/i386-builtins.c: New file.
1390         * config/i386/i386-builtins.h: New file.
1391         * config/i386/i386-expand.c: New file.
1392         * config/i386/i386-expand.h: New file.
1393         * config/i386/i386-features.c: New file.
1394         * config/i386/i386-features.h: New file.
1395         * config/i386/i386-options.c: New file.
1396         * config/i386/i386-options.h: New file.
1397         * config.gcc: Add new files into extra_objs and
1398         target_gtfiles.
1399         * config/i386/i386.c: Split content of the file
1400         into newly introduced files.
1401         * config/i386/i386.h: Declare common variables
1402         and macros.
1403         * config/i386/t-i386: Define dependencies for new files.
1404
1405 >>>>>>> .r270937
1406 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
1407
1408         PR target/89400
1409         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
1410         Restrict 'all' variant to 32-bit configurations.
1411         (unaligned_loadhiu): Likewise.
1412         (unaligned_storehi): Likewise.
1413         (unaligned_storesi): Likewise.
1414         (unaligned_loadhis): Disable when compiling for thumb1.
1415
1416 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
1417
1418         PR tree-optimization/90269
1419         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
1420         Ignore clobbers.
1421
1422 2019-05-03  Martin Liska  <mliska@suse.cz>
1423
1424         * hash-map.h: Add is_empty function.
1425         * hash-set.h: Likewise.
1426         * hash-table.h: Likewise.
1427         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
1428         elements () == 0 (and similar usages).
1429         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
1430         * gimplify.c (gimplify_bind_expr): Likewise.
1431         (gimplify_switch_expr): Likewise.
1432         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
1433         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
1434         * postreload-gcse.c (dump_hash_table): Likewise.
1435         (gcse_after_reload_main): Likewise.
1436         * predict.c (combine_predictions_for_bb): Likewise.
1437         * tree-parloops.c (reduction_phi): Likewise.
1438         (separate_decls_in_region): Likewise.
1439         (transform_to_exit_first_loop): Likewise.
1440         (gen_parallel_loop): Likewise.
1441         (gather_scalar_reductions): Likewise.
1442         (try_create_reduction_list): Likewise.
1443         * var-tracking.c (dump_vars): Likewise.
1444         (emit_notes_for_changes): Likewise.
1445         (vt_emit_notes): Likewise.
1446
1447 2019-05-03  Richard Biener  <rguenther@suse.de>
1448
1449         PR tree-optimization/90316
1450         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
1451         before running VN.
1452
1453 2019-05-03  Richard Biener  <rguenther@suse.de>
1454
1455         * tree-vect-stmts.c (get_group_load_store_type): Avoid
1456         peeling for gaps by loading only lower halves of vectors
1457         if possible.
1458         (vectorizable_load): Likewise.
1459
1460 2019-05-03  Richard Biener  <rguenther@suse.de>
1461
1462         PR middle-end/89518
1463         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
1464
1465 2019-05-03  Richard Biener  <rguenther@suse.de>
1466
1467         PR middle-end/87314
1468         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
1469         Handle STRING_CST vs DECL or STRING_CST.
1470
1471 2019-05-03  Richard Biener  <rguenther@suse.de>
1472
1473         PR tree-optimization/88963
1474         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
1475         vector loads feeding only BIT_FIELD_REFs to component
1476         loads.  Rewrite stores fed by CONSTRUCTORs to component
1477         stores.
1478
1479 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
1480
1481         * opts.h (finish_options): Remove lang_mask argument.
1482         (print_help, help_option_argument): Declare.
1483         * opts.c (print_help): Remove forward declaration, no longer static.
1484         (finish_options): Remove lang_mask argument, don't call print_help
1485         here.
1486         * opts-global.c (decode_options): Adjust finish_option caller, call
1487         print_help here.
1488
1489         PR tree-optimization/90303
1490         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
1491         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
1492
1493 2019-05-03  Richard Biener  <rguenther@suse.de>
1494
1495         PR tree-optimization/89698
1496         * gimple-fold.c (canonicalize_constructor_val): Early out
1497         for constants, handle unfolded INTEGER_CSTs as they appear in
1498         C++ virtual table ctors.
1499
1500 2019-05-03  Richard Biener  <rguenther@suse.de>
1501
1502         * passes.c (execute_function_todo): Remove dead code.
1503
1504 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
1505
1506         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
1507         the internal register number, for any "real" register.
1508
1509 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
1510
1511         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
1512         correct numbers for TFHAR, TFIAR, TEXASR.
1513
1514 2019-05-02  Richard Biener  <rguenther@suse.de>
1515
1516         PR tree-optimization/89653
1517         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
1518         update-address-taken before the pass.
1519         * passes.def (pass_tree_loop_init): Put comment before it.
1520
1521 2019-05-02  Richard Biener  <rguenther@suse.de>
1522
1523         PR tree-optimization/89509
1524         * tree-ssa-structalias.c (compute_dependence_clique): Look
1525         at the first subvar when determining whether it is restrict.
1526
1527 2019-05-02  Richard Biener  <rguenther@suse.de>
1528
1529         PR tree-optimization/90273
1530         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
1531         useless debug stmts.
1532
1533 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1534
1535         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
1536         ACLE branch.
1537         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
1538         SVE ACLE branch.
1539         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
1540         VEC_COND_EXPR be inserted to emulate a conditional internal function.
1541         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
1542         (vectorizable_reduction): Use the functions above to vectorize in a
1543         fully masked loop codes that don't have a conditional internal
1544         function.
1545
1546 2019-05-02  Martin Liska  <mliska@suse.cz>
1547
1548         * cgraphclones.c: Call valid_attribute_p with 1 for
1549         target_clone.
1550         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
1551         it's for target attribute.
1552         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
1553         Add new boolean argument.
1554         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
1555         Likewise.
1556         (ix86_valid_target_attribute_tree): Pass target_clone_attr
1557         to ix86_valid_target_attribute_inner_p.
1558         (ix86_valid_target_attribute_p): Pass flags argument to
1559         ix86_valid_target_attribute_inner_p.
1560         (get_builtin_code_for_version): Use 0 as it's target attribute.
1561
1562 2019-05-02  Martin Liska  <mliska@suse.cz>
1563
1564         * gcc.c (process_command): Add dummy file only
1565         if n_infiles == 0.
1566         * opts-global.c (decode_options): Pass lang_mask.
1567         * opts.c (print_help): New function.
1568         (finish_options): Print --help if help_option_argument
1569         is set.
1570         (common_handle_option): Factor out content of OPT__help_
1571         into print_help.
1572         * opts.h (finish_options): Add new argument.
1573
1574 2019-05-02  Martin Liska  <mliska@suse.cz>
1575
1576         PR target/88809
1577         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
1578         With -minline-all-stringops use inline expansion using 4B loop.
1579         * doc/invoke.texi: Document the change of
1580         -minline-all-stringops.
1581
1582 2019-05-01  Jeff Law  <law@redhat.com>
1583
1584         PR tree-optimization/88797
1585         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
1586         PHI feeds a conditional on the RHS of an assignment.
1587
1588 2019-04-30  Andrew Waterman  <andrew@sifive.com>
1589             Jim Wilson  <jimw@sifive.com>
1590
1591         * config/riscv/constraints.md (L): New.
1592         * config/riscv/predicates.md (lui_operand): New.
1593         (sfb_alu_operand): New.
1594         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
1595         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
1596         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
1597         * config/riscv/risc.md (type): Add sfb_alu.
1598         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
1599         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
1600         (branch_zero<mode>): Delete.
1601         (mov<mode>cc): New.
1602         (mov<GPR:mode><X:mode>cc): Likewise.
1603         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
1604
1605 2019-04-30  Nathan Sidwell  <nathan@acm.org>
1606
1607         * tree.h (MARK_TS_EXP): New.
1608
1609 2019-04-30  Martin Liska  <mliska@suse.cz>
1610
1611         * opts.c (enable_warning_as_error): Provide hints
1612         for unknown options.
1613
1614 2019-04-30  Martin Liska  <mliska@suse.cz>
1615
1616         PR debug/90288
1617         * doc/invoke.texi: Add missing dash for gas-locview-support
1618         and gno-as-locview-support.
1619
1620 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
1621
1622         PR target/89093
1623         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
1624         whitespace at the start of target attribute string.
1625
1626 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1627
1628         PR target/86538
1629         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
1630         Define __ARM_FEATURE_ATOMICS.
1631
1632 2019-04-30  Martin Liska  <mliska@suse.cz>
1633
1634         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
1635         into built_in_function enum. Remove code for endp == 2 and
1636         use BUILT_IN_* constants.
1637         (gimple_fold_builtin): Call the function with fcode.
1638
1639 2019-04-30  Martin Liska  <mliska@suse.cz>
1640
1641         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
1642         DECL_FUNCTION_CODE into ix86_builtins enum before
1643         the switch statement.
1644
1645 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
1646
1647         PR tree-optimization/89475
1648         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
1649         calls.
1650
1651 2019-04-30  Martin Liska  <mliska@suse.cz>
1652
1653         PR translation/90274
1654         * opts.c (print_filtered_help): Wrap string in _(...).
1655
1656 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
1657
1658         PR tree-optimization/90240
1659         Revert:
1660         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
1661
1662         PR tree-optimization/90078
1663         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
1664         checks for infinite_cost overflow.
1665
1666 2019-04-29  Jeff Law  <law@redhat.com>
1667
1668         * passes.def: Move -Wrestrict pass after copy propagation.
1669
1670 2019-04-29  Maya Rashish  <coypu@sdf.org>
1671
1672         * config.gcc (default_gnu_indirect_function): Default to yes
1673         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
1674         sparc*-*-netbsd*, x86_64-*-netbsd*.
1675
1676 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
1677
1678         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
1679         where cond2 is NE_EXPR.
1680         (is_value_included_in): Update comment.
1681
1682 2019-04-29  Richard Biener  <rguenther@suse.de>
1683
1684         PR tree-optimization/90278
1685         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
1686         EH on comparison simplification.
1687
1688 2019-04-29  Jason Merrill  <jason@redhat.com>
1689
1690         PR c++/82081 - tail call optimization breaks noexcept
1691         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
1692         nothrow function to a might-throw function into a tail call.
1693
1694 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
1695
1696         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
1697         (DDR_INNER_LOOP): Likewise.
1698         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
1699         (initialize_data_dependence_relation): Likewise.
1700         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
1701
1702 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
1703
1704         PR rtl-optimization/90257
1705         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
1706         return value.
1707
1708         Revert the revert:
1709         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
1710
1711         PR target/90178
1712         Revert:
1713         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
1714
1715         Revert the revert:
1716         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
1717
1718         Revert:
1719         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
1720
1721         * lra-spills.c (lra_final_code_change): Remove useless move insns.
1722
1723 2019-04-29  Richard Biener  <rguenther@suse.de>
1724
1725         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
1726         rhs issue a reset.
1727
1728 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
1729
1730         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
1731         varasm.h, and netbsd-protos.h.
1732
1733 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
1734
1735         PR target/89261
1736         * config/i386/i386-protos.h (ix86_data_alignment): Change
1737         the second argument type to unsigned int.
1738         * config/i386/i386.c (ix86_data_alignment): Change "align"
1739         argument type to unsigned int.
1740
1741 2019-04-27  Martin Liska  <mliska@suse.cz>
1742
1743         PR middle-end/90258
1744         * opt-suggestions.c (option_proposer::build_option_suggestions):
1745         When get_valid_option_values returns empty values, add the
1746         misspelling candidate.
1747
1748 2019-04-26  Jim Wilson  <jimw@sifive.com>
1749
1750         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
1751         parameter.
1752         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
1753         Pass orig_mode to riscv_build_integer.
1754         (riscv_split_integer): Pass mode to riscv_move_integer.
1755         (riscv_legitimize_const_move): Likewise.
1756         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
1757         promoted_mode.  Replace force_reg call with code to load constant into
1758         promoted reg and then subreg it for the store.
1759         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
1760         riscv_move_integer.
1761
1762 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
1763
1764         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
1765         corrupt codes.
1766
1767 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
1768
1769         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
1770         commentary about the encoding of precision.
1771
1772 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
1773
1774         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
1775         * config/i386/t-freebsd64: New file.
1776         * config.gcc: Add the t-freebsd64 for multilib support.
1777
1778 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
1779
1780         * doc/extend.texi (vector_size): Add missing comma after @xref.
1781
1782 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
1783
1784         * BASE-VER: Set to 10.0.0.
1785
1786 2019-04-25  Richard Biener  <rguenther@suse.de>
1787
1788         PR middle-end/89765
1789         * gimplify.c (gimplify_expr): Avoid turning a lvalue
1790         VIEW_CONVERT_EXPR into one operating on an rvalue.
1791
1792 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
1793
1794         PR target/89929
1795         * config/i386/i386.c (feature_priority): Moved to file scope.
1796         (processor_features): Likewise.
1797         (processor_model): Likewise.
1798         (_arch_names_table): Likewise.
1799         (arch_names_table): Likewise.
1800         (_feature_list): Removed.
1801         (feature_list): Likewise.
1802         (_isa_names_table): Moved to file scope.  Add priority.
1803         (isa_names_table): Likewise.
1804         (get_builtin_code_for_version): Replace feature_list with
1805         isa_names_table.  Update error message for P_ZERO priority.
1806
1807 2019-04-25  Richard Biener  <rguenther@suse.de>
1808
1809         * tree-pass.h (make_pass_phi_only_cprop): Remove.
1810         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
1811
1812 2019-04-24  Jeff Law  <law@redhat.com>
1813
1814         PR tree-optimization/90037
1815         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
1816         * passes.def: Replace all instance of phi-only cprop with the
1817         lattice propagator.  Move propagation pass from after erroneous
1818         path isolation to before erroneous path isolation.
1819         * tree-ssa-phionlycprop.c: Remove.
1820
1821 2019-04-24  Richard Biener  <rguenther@suse.de>
1822
1823         PR middle-end/90213
1824         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
1825         by size and BITS_PER_UNIT on poly-wide-ints.
1826
1827 2019-04-25  Richard Biener  <rguenther@suse.de>
1828
1829         PR middle-end/90194
1830         * match.pd: Add pattern to simplify view-conversion of an
1831         empty constructor.
1832
1833 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
1834
1835         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
1836         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
1837         for Go on 32 bit AIX.
1838         * config/rs6000/aix72.h: Likewise.
1839
1840 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
1841
1842         PR target/90193
1843         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
1844         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
1845
1846 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
1847
1848         PR target/89952
1849         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
1850         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
1851         for restored hard frame pointer.
1852         (s390_sched_dependencies_evaluation): Implement new target hook.
1853         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
1854
1855 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
1856
1857         * config/arc/arc-options.def: Fix typos and spelling mistakes.
1858         * config/arc/arc.c (arc_init): Cleanup warning message.
1859         (arc_override_options): Likewise.
1860
1861 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
1862
1863         PR target/90187
1864         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
1865         a register if both if_true and if_false are MEMs.
1866
1867         PR tree-optimization/90208
1868         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
1869         after labels of new_bb, not before them.
1870
1871         PR tree-optimization/90211
1872         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
1873         which are not SSA_NAMEs.
1874
1875 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
1876
1877         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
1878         AArch64.
1879         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
1880
1881 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
1882
1883         PR rtl-optimization/87979
1884         * modulo-sched.c (sms_schedule): Start ii value "mii" should
1885         not equal zero.
1886
1887 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
1888
1889         PR rtl-optimization/84032
1890         * modulo-sched.c (ps_insn_find_column): Change condition so that
1891         branch will always be the last insn in a row inside partial
1892         schedule.
1893
1894 2019-04-23  Richard Biener  <rguenther@suse.de>
1895
1896         PR debug/90131
1897         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
1898         dest_single_pred_p argument.
1899         (remove_forwarder_block): Adjust.
1900         (remove_forwarder_block_with_phi): Likewise.
1901
1902 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1903             Bernd Edlinger  <bernd.edlinger@hotmail.de>
1904             Jakub Jelinek  <jakub@redhat.com>
1905
1906         PR target/89093
1907         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
1908         if used with general-regs-only.
1909         (arm_conditional_register_usage): Don't add non-general regs if
1910         general-regs-only.
1911         (arm_valid_target_attribute_rec): Handle general-regs-only.
1912         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
1913         general-regs-only.
1914         (TARGET_HARD_FLOAT_SUB): Define.
1915         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
1916         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
1917         (TARGET_REALLY_IWMMXT2): Likewise.
1918         * config/arm/arm.opt: Add -mgeneral-regs-only.
1919         * doc/extend.texi: Document ARM general-regs-only target.
1920         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
1921
1922 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
1923
1924         PR tree-optimization/90078
1925         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
1926         checks for infinite_cost overflow.
1927
1928 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
1929
1930         PR tree-optimization/90021
1931         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
1932         and check univariate against it.
1933         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
1934         * tree-data-ref.c (add_other_self_distances): Pass new argument.
1935
1936 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
1937
1938         PR target/90178
1939         Revert:
1940         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
1941
1942         Revert the revert:
1943         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
1944
1945         Revert:
1946         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
1947
1948         * lra-spills.c (lra_final_code_change): Remove useless move insns.
1949
1950 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
1951
1952         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
1953         names using operand format, rather than hard-wired.
1954         (speculation_barrier): Likewise.
1955
1956 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
1957
1958         PR tree-optimization/88055
1959         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
1960         (gen_one_condition): Use it if !HONOR_NANS.
1961
1962 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
1963
1964         PR middle-end/90139
1965         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
1966         assign_temp instead of gen_reg_rtx.
1967
1968 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
1969
1970         PR translation/90118
1971         * config/aarch64/aarch64.c (aarch64_override_options_internal):
1972         Add missing space before %<.
1973
1974 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
1975
1976         PR rtl-optimization/87871
1977         * ira-lives.c (make_object_dead): Don't add conflicts to
1978         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
1979
1980 2019-04-18  Martin Sebor  <msebor@redhat.com>
1981
1982         PR middle-end/89797
1983         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
1984         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
1985         assuming type size fits in SHWI.
1986
1987 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
1988
1989         PR ipa/85051
1990         * ipa-inline.c (flatten_function): New parameter UPDATE.
1991         (ipa_inline, early_inliner): Use it.
1992
1993 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
1994
1995         * fold-const.c (int_const_binop): Return early on failure.
1996
1997 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
1998
1999         PR middle-end/85164
2000         * combine.c (force_int_to_mode): Cast the argument rather than
2001         the result of known_alignment.
2002         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2003
2004 2019-04-18  Richard Biener  <rguenther@suse.de>
2005
2006         PR debug/90131
2007         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2008         out from ...
2009         (remove_forwarder_block): ... here.
2010         (remove_forwarder_block_with_phi): Also move debug stmts here.
2011
2012 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2013
2014         PR translation/79183
2015         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2016         inform where appropriate.
2017
2018 2019-04-18  Richard Biener  <rguenther@suse.de>
2019
2020         * tree.c (get_qualified_type): Put found type variants at the
2021         head of the variant list.
2022
2023 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2024
2025         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2026
2027 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2028
2029         PR target/90125
2030         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2031         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2032         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2033         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2034         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2035
2036 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2037
2038         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2039         even for allocno's with no conflicts.
2040         (print_conflicts): Print an extra newline.
2041
2042 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2043
2044         * auto-inc-dec.c (attempt_change): Set the alignment of the
2045         temporary memory to that of the original.
2046
2047 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2048
2049         * targhooks.c (default_print_patchable_function_entry): Emit
2050         __patchable_function_entries section with writable flags to allow
2051         relocation resolution.
2052
2053 2019-04-17  Jonny Grant  <jg@jguk.org>
2054
2055         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2056
2057 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2058
2059         PR middle-end/90095
2060         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2061         on lowpart SUBREGs.
2062
2063 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2064
2065         * config/arc/arc.c (arc_init): Format diagnostic string.
2066         (arc_override_options): Likewise.
2067         (check_if_valid_regno_const): Likewise.
2068         (arc_reorg): Likewise.
2069
2070 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2071
2072         PR target/17108
2073         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
2074         name.
2075         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
2076         name.
2077         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
2078         (*movdi_update1): Use Pmode.
2079         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
2080         (movdi_<mode>_update_stack): Rename to ...
2081         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
2082         use Pmode.
2083         (*movsi_update1): Use Pmode.
2084         (*movsi_update2): Use Pmode.
2085         (movsi_update): Rename to ...
2086         (movsi_<mode>_update): ... this.  Use Pmode.
2087         (movsi_update_stack): Fix condition.
2088         (*movhi_update1): Use Pmode.  Fix argument to
2089         avoiding_indexed_address_p.
2090         (*movhi_update2): Ditto.
2091         (*movhi_update3): Ditto.
2092         (*movhi_update4): Ditto.
2093         (*movqi_update1): Ditto.
2094         (*movqi_update2): Ditto.
2095         (*movqi_update3): Ditto.
2096         (*movsf_update1, *movdf_update1): Merge, rename to...
2097         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
2098         avoiding_indexed_address_p.  Add "size" attribute.
2099         (*movsf_update2, *movdf_update2): Merge, rename to...
2100         (*mov<mode>_update2): This.  Ditto.
2101         (*movsf_update3): Use Pmode.  Fix argument to
2102         avoiding_indexed_address_p.
2103         (*movsf_update4): Ditto.
2104         (allocate_stack): Simplify condition.  Adjust pattern names.
2105
2106 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2107
2108         PR target/89093
2109         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
2110         whitespace at the start of target attribute string.
2111
2112 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
2113
2114         PR target/84369
2115         * config/rs6000/power9.md: Add store forwarding bypass.
2116
2117 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
2118
2119         PR debug/89528
2120         * valtrack.c (dead_debug_insert_temp): Reset debug references
2121         to the return value of a call being removed.
2122
2123 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2124
2125         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
2126         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
2127         implement target hook.
2128         (arc_memory_move_cost): New function.
2129         (TARGET_REGISTER_MOVE_COST): Define.
2130         (TARGET_MEMORY_MOVE_COST): Likewise.
2131         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
2132         (MEMORY_MOVE_COST): Likewise.
2133
2134 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2135
2136         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
2137         (sibcall_value_insn): Likewise.
2138         * config/arc/constraints.md (Rs5): Remove.
2139
2140 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2141
2142         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
2143         for last two fake registers.
2144         (arc_conditional_register_usage): Make sure fake frame and arg
2145         pointer regs are in general regs class.
2146         (FRAME_POINTER_MASK): Remove.
2147         (RETURN_ADDR_MASK): Remove.
2148         (arc_must_save_register): Use hard frame regnum.
2149         (frame_restore_reg): Use hard_frame_pointer_rtx.
2150         (arc_save_callee_saves): Likewise.
2151         (arc_restore_callee_saves): Likewise.
2152         (arc_save_callee_enter): Likewise.
2153         (arc_restore_callee_leave): Likewise.
2154         (arc_save_callee_milli): Likewise.
2155         (arc_eh_return_address_location): Likewise.
2156         (arc_check_multi): Use hard frame regnum.
2157         (arc_can_eliminate): Likewise.
2158         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
2159         for register allocator.
2160         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
2161         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
2162         (FRAME_POINTER_REGNUM): Change it to a fake register.
2163         (HARD_FRAME_POINTER_REGNUM): Defined.
2164         (ARG_POINTER_REGNUM): Change it to a new fake register.
2165         (ELIMINABLE_REGS): Update.
2166         (REGISTER_NAMES): Update names.
2167         * config/arc/arc.md (LP_START): Remove.
2168         (LP_END): Likewise.
2169         (shift_si3_loop): Update pattern.
2170
2171 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2172
2173         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
2174         to avoid delay slot scheduling.
2175         (arc_must_save_register): Don't save SP.
2176         * config/arc/arc.md (stack_tie): Remove.
2177         (UNSPEC_ARC_STKTIE): Likewise.
2178
2179 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
2180             Shiva Chen  <shiva0217@gmail.com>
2181
2182         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
2183         code gen with large shift amount.
2184
2185 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
2186
2187         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
2188         subreg.
2189
2190 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
2191
2192         PR target/90096
2193         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
2194         print -m64/-mx32/-m32 if it is true.
2195         (ix86_debug_options, ix86_function_specific_print): Pass true as
2196         ADD_ABI_P to ix86_target_string.
2197         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
2198         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
2199         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
2200
2201         PR rtl-optimization/90082
2202         * dce.c (can_delete_call): New function.
2203         (deletable_insn_p, mark_insn): Use it.
2204
2205         PR tree-optimization/90090
2206         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
2207         throw internally.
2208         (is_division_by_square): Likewise.  Formatting fix.
2209
2210 2019-04-16  Richard Biener  <rguenther@suse.de>
2211
2212         PR tree-optimization/56049
2213         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
2214         equality check if alias-set zero will prevail.
2215
2216 2019-04-15  Jeff Law  <law@redhat.com>
2217
2218         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
2219         size and alignment as unsigned.
2220
2221 2019-04-15  Richard Biener  <rguenther@suse.de>
2222
2223         PR debug/90074
2224         * tree-loop-distribution.c (destroy_loop): Preserve correct
2225         debug info.
2226
2227 2019-04-15  Richard Biener  <rguenther@suse.de>
2228
2229         PR tree-optimization/90071
2230         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
2231         abnormal operands from def stmts.
2232
2233 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
2234
2235         PR rtl-optimization/89794
2236         * combine.c (count_auto_inc): New function.
2237         (try_combine): Count how many auto_inc expressions there were in the
2238         original instructions.  Ensure we have the same number in the new
2239         instructions.  Remove the code that tried to ensure auto_inc side
2240         effects on i1 and i0 are not lost.
2241
2242 2019-04-15  Richard Biener  <rguenther@suse.de>
2243
2244         PR ipa/88936
2245         * tree.h (auto_var_p): Declare.
2246         * tree.c (auto_var_p): New function, split out from ...
2247         (auto_var_in_fn_p): ... here.
2248         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
2249         member.
2250         (new_var_info): Initialize it.
2251         (set_uids_in_ptset): Also set the shadow variable uid if required.
2252         (ipa_pta_execute): Postprocess points-to solutions assigning
2253         shadow variable uids for locals that may reach their containing
2254         function recursively.
2255         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
2256         assert but instead check whether the points-to solution is
2257         a singleton.
2258
2259 2019-04-15  Martin Jambor  <mjambor@suse.cz>
2260
2261         PR ipa/pr89693
2262         * cgraph.c (clone_of_p): Loop over clone chain for each step in
2263         the thunk chain.
2264
2265 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2266
2267         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
2268
2269 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2270             Kito Cheng  <kito.cheng@gmail.com>
2271             Shiva Chen  <shiva0217@gmail.com>
2272
2273         * config/nds32/nds32-md-auxiliary.c
2274         (nds32_legitimize_pic_address): Use new PIC pattern.
2275         (nds32_legitimize_tls_address): Use new TLS pattern.
2276         (nds32_output_symrel): New.
2277         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
2278         (nds32_alloc_relax_group_id): Ditto.
2279         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
2280         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
2281         relax_group_id.
2282         (nds32_group_tls_insn): Ditto.
2283         (nds32_group_float_insns): Ditto.
2284         * config/nds32/nds32.md (tls_le): New.
2285         (sym_got): Ditto.
2286
2287 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
2288
2289         * configure: Add nds32 target for dwarf2 debug_line checking.
2290         * configure.ac: Regenerated.
2291
2292 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
2293
2294         PR lto/89358
2295         * ipa-devirt.c (skip_in_fields_list_p): New.
2296         (odr_types_equivalent_p): Use it.
2297
2298 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
2299
2300         PR target/89093
2301         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
2302         instead of strncmp when checking for thumb and arm.  Formatting fixes.
2303
2304 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
2305
2306         * doc/install.texi: Document --with-target-system-zlib.
2307
2308 2019-04-12  Martin Sebor  <msebor@redhat.com>
2309
2310         PR c/88383
2311         PR c/89288
2312         PR c/89798
2313         PR c/89797
2314         * targhooks.c (default_vector_alignment): Avoid assuming
2315         argument fits in SHWI.
2316         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
2317         a shift expression.
2318         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
2319
2320 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2321
2322         PR rtl-optimization/89965
2323         * dce.c: Include rtl-iter.h.
2324         (struct check_argument_load_data): New type.
2325         (check_argument_load): New function.
2326         (find_call_stack_args): Check for loads from stack slots still tracked
2327         in sp_bytes and punt if any is found.
2328
2329         * config/mips/loongson-mmiintrin.h: Fix up #error message.
2330
2331 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
2332
2333         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
2334         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
2335
2336 2019-04-12  Martin Liska  <mliska@suse.cz>
2337
2338         PR middle-end/89970
2339         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
2340         in error message.
2341         (separate_attrs): Handle multiple 'default's.
2342         (expand_target_clones): Rework error handling code.
2343
2344 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2345
2346         PR target/87532
2347         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
2348         mode of vector rather than mode of destination for move instruction.
2349         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
2350         Use QI inner mode with V16QI vector mode.
2351
2352 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2353
2354         PR target/52726
2355         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
2356         "invalid %%t operand" in output_operand_lossage message.
2357
2358 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
2359
2360         * config/s390/predicates.md (permute_pattern_operand): New
2361         predicate.
2362         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
2363         operand for the permute pattern.
2364         ("*vec_perm<mode>"): New insn definition.
2365         ("bswap<mode>"): Generate the permute pattern operand in the
2366         expander and perform the operand reloads for pre arch13 level
2367         already.
2368         ("*bswap<mode>_emu"): Rename to ...
2369         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
2370         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
2371         Add the USE operand for the permute pattern.
2372         ("*vec_set_bswap_vec<mode>"): Likewise.
2373
2374 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2375
2376         PR c/89946
2377         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
2378         and gcc_unreachable if it fails, just call tree_to_uhwi which
2379         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
2380         Start warning message with a lower-case letter.  Formatting fixes.
2381
2382         PR rtl-optimization/90026
2383         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
2384         successors, look for BARRIERs inside of the whole BB_FOOTER chain
2385         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
2386         in cfglayout mode, use emit_barrier_after_bb.
2387
2388 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
2389
2390         PR rtl-optimization/87763
2391         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
2392         New Instruction.
2393
2394 2019-04-11  Tom de Vries  <tdevries@suse.de>
2395
2396         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
2397         max macro using statement expression.
2398
2399 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
2400
2401         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
2402         * xcoffout.c (xcoff_private_rodata_section_name): Define.
2403         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
2404         read_only_private_data_section using xcoff_private_rodata_section_name.
2405         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
2406
2407 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
2408
2409         PR target/90016
2410         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
2411
2412 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
2413
2414         PR rtl-optimization/89965
2415         * dce.c (sp_based_mem_offset): New function.
2416         (find_call_stack_args): Use sp_based_mem_offset.
2417
2418 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
2419
2420         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
2421
2422 2019-04-11  Richard Biener  <rguenther@suse.de>
2423
2424         PR tree-optimization/90020
2425         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
2426         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
2427         * tree-ssa-pre.c (compute_avail): Use it to not put
2428         possibly trapping references after a call that might not
2429         return into EXP_GEN.
2430         * gcse.c (compute_hash_table_work): Do not elide
2431         marking a block containing a call if the call might not
2432         return.
2433
2434 2019-04-11  Richard Biener  <rguenther@suse.de>
2435
2436         PR tree-optimization/90018
2437         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
2438         Test both SLP and interleaving variants.
2439
2440 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
2441
2442         * config/s390/8561.md: New file.
2443         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2444         Add arch13 cpu model.
2445         * config/s390/s390-opts.h (enum processor_type): Likewise.
2446         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
2447         (s390_get_unit_mask): Likewise.
2448         (s390_is_fpd): Likewise.
2449         (s390_is_fxd): Likewise.
2450         * config/s390/s390.h (s390_tune_attr): Likewise.
2451         * config/s390/s390.md: Include arch13 pipeline description.
2452         * config/s390/s390.opt: Add arch13.
2453
2454 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
2455
2456         PR rtl-optimization/87763
2457         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
2458         New prototype.
2459         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
2460         New function.
2461         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
2462         New instruction.
2463         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
2464         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
2465         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
2466         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
2467
2468 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
2469
2470         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
2471         "Although" in -fipa-icf documentation.
2472
2473         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
2474         of using multiple -g options.
2475
2476 2019-04-10  Martin Liska  <mliska@suse.cz>
2477
2478         PR gcov-profile/89959
2479         * doc/gcov.texi: Make documentation of -x option
2480         more precise.
2481
2482 2019-04-10  Richard Biener  <rguenther@suse.de>
2483
2484         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
2485         member.
2486         (DR_GROUP_SAME_DR_STMT): Remove.
2487         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
2488         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
2489         replace with assert.
2490         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
2491         (vect_record_grouped_load_vectors): Remove unreachable code.
2492
2493 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
2494
2495         PR target/90016
2496         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
2497         obsolete reference to N.
2498
2499 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
2500
2501         PR middle-end/90025
2502         * expr.c (store_expr): Set properly size on the MEM passed to
2503         clear_storage.
2504
2505         PR c++/90010
2506         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
2507         with strlen in between hostsz-3 and hostsz-1 inclusive when no
2508         translation is needed, and when translation is needed, only append
2509         ... if the string length is hostsz or more bytes long.  Avoid using
2510         strncpy or strcat.
2511
2512 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
2513
2514         PR target/90024
2515         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
2516         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
2517         into three.
2518         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
2519         differences directly.
2520         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
2521
2522 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
2523
2524         PR translation/90011
2525         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
2526         from diagnostics.
2527         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
2528         diagnostics.
2529         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
2530         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
2531         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
2532         trailing space from -gsplit-dwarf diagnostics.
2533
2534         PR tree-optimization/89998
2535         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
2536         instead of integer_type_node if possible, don't add ranges if return
2537         type is not compatible with int.
2538         * gimple-fold.c (gimple_fold_builtin_sprintf,
2539         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
2540         integer_type_node.
2541
2542 2019-04-09  Martin Liska  <mliska@suse.cz>
2543
2544         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
2545         * doc/install.texi: Document the new config.
2546
2547 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
2548
2549         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
2550         use gimple_expr_type for load and store calls.  Skip over the
2551         condition argument in a conditional internal function.
2552         Protect use of TREE_INT_CST_LOW.
2553
2554 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR target/90015
2557         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
2558         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
2559         trailing period from it too.
2560
2561 2019-04-08  wu yuan  <wuyuan5@huawei.com>
2562
2563         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
2564         * config/aarch64/aarch64.md : Add "tsv110.md"
2565         * config/aarch64/tsv110.md: New file.
2566
2567 2019-04-08  Richard Biener  <rguenther@suse.de>
2568
2569         PR tree-optimization/90006
2570         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
2571         calls like lrint.
2572
2573 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
2574
2575         PR target/83033
2576         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
2577         construction.
2578         (fma_root_node): Likewise.
2579         (func_fma_steering): Likewise.
2580
2581 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
2582
2583         PR rtl-optimization/89865
2584         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
2585
2586         PR rtl-optimization/89865
2587         * config/i386/i386.md
2588         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
2589         numbers not to clash with the additional operands[4].
2590         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
2591         with extra register copy in the middle.
2592
2593 2019-04-08  Martin Liska  <mliska@suse.cz>
2594
2595         PR gcov-profile/89961
2596         * doc/gcov.texi: Document data_file.
2597         * gcov.c (generate_results): Add data_info into JSON output.
2598
2599 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
2600
2601         PR tree-optimization/89725
2602         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
2603         loop's chrec as invariant symbol.
2604         * tree-chrec.h (chrec_contains_symbols): New parameter.
2605         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
2606         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
2607         function of loops not in DDR's loop_nest.
2608         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
2609
2610 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
2611
2612         PR target/89623
2613         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
2614         Mask.
2615
2616 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
2617
2618         PR target/89945
2619         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2620         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
2621
2622 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
2623
2624         * sched-deps.c (sched_macro_fuse_insns): Check return value of
2625         targetm.fixed_condition_code_regs.
2626
2627 2019-04-05  Richard Biener  <rguenther@suse.de>
2628
2629         PR debug/89892
2630         PR debug/89905
2631         * tree-cfgcleanup.c (remove_forwarder_block): Always move
2632         debug bind stmts but reset them if they are not valid at the
2633         destination.
2634
2635 2019-04-05  Martin Liska  <mliska@suse.cz>
2636
2637         PR translation/89936
2638         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
2639         order to wrap keywords or arguments.
2640         * collect2.c (main): Likewise.
2641         (scan_prog_file): Likewise.
2642         (scan_libraries): Likewise.
2643         * common/config/riscv/riscv-common.c
2644         (riscv_subset_list::parsing_subset_version): Likewise.
2645         (riscv_subset_list::parse_std_ext): Likewise.
2646         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2647         Likewise.
2648         * config/arm/arm.c (arm_option_override): Likewise.
2649         * config/cris/cris.c (cris_print_operand): Likewise.
2650         * config/darwin-c.c (darwin_pragma_options): Likewise.
2651         (darwin_pragma_unused): Likewise.
2652         (darwin_pragma_ms_struct): Likewise.
2653         * config/ft32/ft32.c (ft32_print_operand): Likewise.
2654         * config/i386/i386.c (print_reg): Likewise.
2655         (ix86_print_operand): Likewise.
2656         * config/i386/xm-djgpp.h: Likewise.
2657         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
2658         * config/m32c/m32c.c (m32c_option_override): Likewise.
2659         * config/msp430/msp430.c (msp430_option_override): Likewise.
2660         * config/nds32/nds32.c (nds32_option_override): Likewise.
2661         * config/nvptx/mkoffload.c (main): Likewise.
2662         * config/rx/rx.c (rx_print_operand): Likewise.
2663         (valid_psw_flag): Likewise.
2664         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
2665         (vms_pragma_nomember_alignment): Likewise.
2666         (vms_pragma_extern_model): Likewise.
2667         * lto-wrapper.c (compile_offload_image): Likewise.
2668         * omp-offload.c (oacc_parse_default_dims): Likewise.
2669         * symtab.c (symtab_node::verify_base): Likewise.
2670         * tlink.c (recompile_files): Likewise.
2671         (start_tweaking): Likewise.
2672         * tree-profile.c (parse_profile_filter): Likewise.
2673
2674 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
2675
2676         PR tree-optimization/89956
2677         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
2678         multiple negates of the same value.
2679
2680 2019-04-04  Martin Sebor  <msebor@redhat.com>
2681
2682         PR middle-end/89957
2683         PR middle-end/89911
2684         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
2685         have the same precision since the function crashes otherwise.
2686         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
2687         has non-zero arguments.
2688
2689 2019-04-04  Martin Sebor  <msebor@redhat.com>
2690
2691         PR middle-end/89934
2692         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
2693         out if the number of arguments is less than expected.
2694
2695 2019-04-04  Jeff Law  <law@redhat.com>
2696
2697         PR rtl-optimization/89399
2698         * ree.c (combine_set_extension): Use single_set rather than
2699         digging into PATTERN for items on the candidate list.
2700         (combine_reaching_defs): Likewise.
2701
2702 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
2703
2704         PR rtl-optimization/46590
2705         * loop-invariant.c (find_defs): Move df_remove_problem and
2706         df_process_deferred_rescans to move_invariants.
2707         Move df_live_add_problem and df_live_set_all_dirty calls
2708         to move_invariants.
2709         (move_invariants): Likewise.
2710         (move_loop_invariants): Likewise, making the df_live calls
2711         conditional on -O.  Remove the problem again if we added it
2712         locally.
2713
2714 2019-04-03  qing zhao  <qing.zhao@oracle.com>
2715
2716         PR tree-optimization/89730
2717         * ipa-inline.c (can_inline_edge_p): Delete the checking for
2718         -flive-patching=inline-only-static.
2719         (can_inline_edge_by_limits_p): Add the checking for
2720         -flive-patching=inline-only-static and grant always_inline
2721         even when -flive-patching=inline-only-static is specified.
2722
2723 2019-04-03  Jeff Law  <law@redhat.com>
2724
2725         PR rtl-optimization/81025
2726         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
2727
2728 2019-04-03  Richard Biener  <rguenther@suse.de>
2729
2730         PR tree-optimization/84101
2731         * tree-vect-stmts.c: Include explow.h for hard_function_value,
2732         regs.h for hard_regno_nregs.
2733         (cfun_returns): New helper.
2734         (vect_model_store_cost): When vectorizing a store to a decl
2735         we return and the function ABI returns in a multi-reg location
2736         account for the possible spilling that will happen.
2737
2738 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
2739
2740         * config/s390/s390.c (s390_legitimate_address_p): Reject long
2741         displacement addresses for vector mode operands.
2742
2743 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
2744
2745         * config/arc/arc.c (GMASK_LEN): Define.
2746         (arc_restore_callee_saves): Restore first blink when
2747         !optimize_size.
2748
2749 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
2750
2751         * doc/extend.texi: Add deprecated comment on sign-return-address
2752         function attribute and add mbranch-protection.
2753         * doc/invoke.texi: Add bti to the options for mbranch-protection.
2754
2755 2019-04-03  Richard Biener  <rguenther@suse.de>
2756
2757         PR lto/89896
2758         * lto-wrapper.c (run_gcc): Avoid implicit rules making
2759         the all target phony.
2760
2761 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
2762
2763         PR target/89902
2764         PR target/89903
2765         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
2766         Return false for variable DImode shifts.
2767         (dimode_scalar_chain::compute_convert_gain): Do not handle
2768         register count operand in variable DImode shifts.
2769         (dimode_scalar_chain::make_vector_copies): Remove support to copy
2770         count argument of a variable shift instruction to a vector register.
2771         (dimode_scalar_chain::convert_reg): Remove support to convert
2772         count argument of a variable shift instruction.
2773
2774 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
2775
2776         PR rtl-optimization/84206
2777         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
2778         iterating over loop headers.
2779
2780 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
2781
2782         PR rtl-optimization/85876
2783         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
2784         beyond the original fence.
2785
2786 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
2787
2788         * config.gcc: Mark spu* targets as deprecated/obsolete.
2789
2790 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2791
2792         * config/s390/s390-builtin-types.def: New builtin function type
2793         definitions. Remove unused types.
2794         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
2795         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
2796         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
2797         overloaded builtins.
2798         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
2799         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
2800         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
2801         (vec_double, vec_signed, vec_unsigned): Define to use the new
2802         overloaded builtins.
2803         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
2804         Remove expanders.
2805
2806 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2807
2808         * config/s390/s390-builtin-types.def: New builtin function type
2809         definitions.
2810         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
2811         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
2812         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
2813         (s390_vstrszh, s390_vstrszf): New low-level builtins.
2814         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
2815         constant definitions.
2816         * config/s390/vecintrin.h (vec_search_string_cc)
2817         (vec_search_string_until_zero_cc): New builtin name definitions.
2818         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
2819         expanders.
2820         ("vec_vstrs<mode>"): New insn definition.
2821
2822 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2823
2824         * config/s390/s390-builtin-types.def: Add new builtin function
2825         types.
2826         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
2827         New overloaded builtins.
2828         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
2829         s390_vsrd.
2830         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
2831         (UNSPEC_VEC_SLDBYTE): ... this.
2832         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
2833         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
2834         definitions.
2835         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
2836         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
2837         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
2838
2839 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2840
2841         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
2842         New insn definition.
2843         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
2844         * config/s390/vector.md (V_HW_HSD): ... here.
2845
2846 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2847
2848         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
2849         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
2850         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
2851         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
2852         New insn definitions.
2853
2854 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2855
2856         * config/s390/s390-builtin-types.def: Add new builtin function type.
2857         * config/s390/s390-builtins.def: Add overloaded builtin
2858         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
2859         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
2860         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
2861         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
2862         ("eltswap<mode>"): New expander.
2863         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
2864         insn definitions.
2865
2866 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2867
2868         * config/s390/s390-builtin-types.def: Add new builtin function types.
2869         * config/s390/s390-builtins.def: Add overloaded builtin
2870         s390_vec_revb. Add low-level builtins for vlbr and vstbr
2871         instructions.
2872         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
2873         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
2874         ("bswap<mode>"): New expander.
2875         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
2876
2877 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2878
2879         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
2880         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
2881         vector builtin version number in __VEC__.
2882
2883 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2884
2885         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
2886         iterators.
2887         (SFSI): New mode attribute.
2888         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
2889         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
2890         rename to ...
2891         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
2892         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
2893         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
2894         ("floatsi<mode>2"): Add wcefb instruction.
2895
2896 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2897
2898         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
2899         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
2900         mode iterators.
2901         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
2902         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
2903         support 32 bit fp-int conversions. Rename to ...
2904         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
2905         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
2906         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
2907         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
2908         ... to these.
2909
2910 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2911
2912         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
2913         if-then-else constructs if we can use the select instruction.
2914         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
2915
2916 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2917
2918         * config/s390/s390.md ("*popcountdi_arch13_cc")
2919         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
2920         definition.
2921         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
2922         Append _z196 to make it ...
2923         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
2924         ("popcounthi2_z196"): ... this.
2925         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
2926         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
2927
2928 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2929
2930         * config/s390/s390.c (s390_canonicalize_comparison): Convert
2931         certain compares for arch13 in order to make use of the condition
2932         code result produced by the new instructions.
2933         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
2934         nxrk, and nxgrk instruction patterns.
2935         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
2936         (inv_no): Add new code iterator together with some attributes.
2937         ("*andc_split_<mode>"): Disable splitter for arch13.
2938         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
2939         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
2940         ("*<ANDOR:bitops_name>c<GPR:mode>")
2941         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
2942         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
2943         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
2944         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
2945
2946 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
2947
2948         * common/config/s390/s390-common.c (processor_flags_table): New
2949         entry for arch13.
2950         * config.gcc: Support arch13 with the --with-arch= configure flag.
2951         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2952         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
2953         * config/s390/s390.c (s390_get_sched_attrmask)
2954         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
2955         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
2956         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
2957         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
2958         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
2959         definitions.
2960         * config/s390/s390.opt: Support arch13 as processor type in
2961         command line options.
2962
2963 2019-04-02  Martin Liska  <mliska@suse.cz>
2964
2965         PR translation/89912
2966         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
2967         Fix param description of graphite-max-arrays-per-scop.
2968
2969 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
2970
2971         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
2972         (ASAN_CC1_SPEC): Use it in 64-bit mode.
2973         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
2974
2975 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
2976
2977         PR rtl-optimization/85412
2978         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
2979         sel_sched_region_1, not after.
2980
2981 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
2982
2983         PR rtl-optimization/86928
2984         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
2985         compute_live if necessary.
2986         (sel_redirect_edge_and_branch): Likewise.
2987
2988 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
2989
2990         PR rtl-optimization/89865
2991         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
2992         register if it is a part of small class.
2993
2994 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
2995
2996         PR rtl-optimization/87273
2997         * sel-sched-ir.c (merge_fences): Remove assert.
2998
2999 2019-04-01  Richard Biener  <rguenther@suse.de>
3000
3001         PR tree-optimization/46590
3002         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3003         (dom_walker::m_reachability): Add in place of...
3004         (dom_walker::m_skip_unreachable_blocks): ...this.
3005         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3006         Move complex initialization ...
3007         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3008         lazily and initialize edge flags on each invocation.
3009         (dom_walker::bb_reachable): Use m_reachability.
3010
3011 2019-04-01  Martin Liska  <mliska@suse.cz>
3012
3013         PR driver/89861
3014         * opt-suggestions.c (option_proposer::build_option_suggestions):
3015         Add variant without any argument in order to provide better
3016         hints.
3017
3018 2019-04-01  Richard Biener  <rguenther@suse.de>
3019
3020         PR c/71598
3021         * gimple.c: Include langhooks.h.
3022         (gimple_get_alias_set): Treat enumeral types as the underlying
3023         integer type.
3024
3025 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3026             Eric Botcazou  <ebotcazou@adacore.com>
3027
3028         PR rtl-optimization/89862
3029         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3030         that operates on the full registers for WORD_REGISTER_OPERATIONS
3031         architectures.
3032
3033 2019-03-29  Jim Wilson  <jimw@sifive.com>
3034
3035         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3036         Clear MASK_RVC and then set if C subset supported.
3037
3038 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3039
3040         PR c/89872
3041         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3042         non-addressable complit into its initializer if it is volatile.
3043
3044 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3045
3046         * opts-common.c (integral_argument): Set errno properly in one case.
3047
3048 2019-03-29  Martin Liska  <mliska@suse.cz>
3049
3050         * doc/invoke.texi: Remove -Wchkp from documentation.
3051
3052 2019-03-29  Martin Liska  <mliska@suse.cz>
3053
3054         * dbgcnt.c (print_limit_reach): New function.
3055         (dbg_cnt): Use it.
3056
3057 2019-03-29  Martin Liska  <mliska@suse.cz>
3058
3059         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3060         (dbg_cnt_process_opt): Parse first tokens aas
3061         dbg_cnt_process_single_pair is also using strtok.
3062
3063 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3064
3065         PR rtl-optimization/87485
3066         * function.c (expand_function_end): Move stack_protect_epilogue
3067         before loading of return value into hard register(s).
3068
3069 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3070
3071         PR middle-end/89621
3072         * tree-inline.h (struct copy_body_data): Add
3073         dont_remap_vla_if_no_change flag.
3074         * tree-inline.c (remap_type_3, remap_type_2): New functions.
3075         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
3076         and remap_type_2 returns false.
3077         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
3078         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
3079         only from where it is copied to nested contexts.
3080
3081 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3082
3083         PR target/89865
3084         * config/i386/i386.md (RMW operation with LEA peephole):
3085         Use LEAMODE mode attribute instead of SWI mode iterator for
3086         LEA pattern.
3087
3088 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3089
3090         PR target/89848
3091         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3092         Also process XEXP (src, 0) of a shift insn.
3093
3094 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
3095
3096         PR middle-end/89725
3097         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
3098         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
3099
3100 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3101
3102         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
3103         test.
3104         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
3105         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
3106         immediately after first one with df_analyze in between, but rather
3107         process all bbs, queueing ones that need second pass in a worklist,
3108         df_analyze, process queued debug insn changes and if second pass is
3109         needed, process bbs from worklist, df_analyze, process queued debug
3110         insns again.
3111
3112         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
3113         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
3114         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
3115
3116 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
3117
3118         PR c/79022
3119         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
3120         definition.
3121
3122 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
3123
3124         PR target/85667
3125         * config/i386/i386.c (ix86_function_value_1): Call the newly added
3126         function for 32-bit MS_ABI.
3127         (function_value_ms_32): New function.
3128
3129 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
3130
3131         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
3132         (movdi): Call gen_movdi_symbol_save_scc.
3133         (gen_movdi_symbol_save_scc): New insn and split.
3134
3135 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
3136
3137         PR rtl-optimization/89313
3138         * function.c (matching_constraint_num): New static function.
3139         (match_asm_constraints_1): Use it.  Fixup white space and comment.
3140         Don't replace inputs with non-matching constraints which conflict
3141         with early clobber outputs.
3142
3143 2019-03-27  Jeff Law  <law@redhat.com>
3144
3145
3146         PR rtl-optimization/87761
3147         PR rtl-optimization/89826
3148         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
3149         slightly later.
3150         (pass_cprop_hardreg::execute): Call df_analyze after adding the
3151         note problem to get REG_DEAD/REG_UNUSED notes updated.
3152
3153 2019-03-27  Richard Biener  <rguenther@suse.de>
3154
3155         PR tree-optimization/89463
3156         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
3157         queue edges to remove.
3158         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
3159         dead stmts.  Delay edge removal until PHIs are removed to
3160         make debug-stmt creation not confused by seemingly degenerate
3161         PHIs.
3162
3163 2019-03-27  Alan Modra  <amodra@gmail.com>
3164
3165         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
3166         throughout file.
3167         * config/rs6000/darwin.h: Likewise.
3168         * config/rs6000/rs6000.c: Likewise.
3169
3170 2019-03-27  Alan Modra  <amodra@gmail.com>
3171
3172         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
3173         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
3174
3175 2019-03-26  Andrew Waterman  <andrew@sifive.com>
3176             Jim Wilson  <jimw@sifive.com>
3177
3178         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
3179         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
3180         (generic_idivdi, generic_fmul_single, generic_fmul_double)
3181         (generic_fdiv, generic_fsqrt): Add check for generic tune.
3182         (generic_alu): Add auipc to type list.
3183         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
3184         (riscv_microarchitecture): Declare.
3185         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
3186         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
3187         field.
3188         (riscv_microarchitecture): New.
3189         (sifive_7_tune_info): New.
3190         (riscv_cpu_info_table): Add microarchitecture value for rocket and
3191         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
3192         entries.
3193         (riscv_store_data_bypass_p): New.
3194         (riscv_option_override): Set riscv_microarchitecture from
3195         cpu->microarchitecture.
3196         * config/riscv/riscv.md: Include sifive-7.md.
3197         (type): Add auipc.
3198         (tune): New.
3199         (auipc<mode>): Change type to auipc.
3200         (restore_stack_nonlocal): New.
3201         * config/riscv/sifive-7.md: New.
3202         * doc/invoke.texi (RISC-V Options): Update mtune docs.
3203
3204 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
3205
3206         PR target/89827
3207         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
3208         Also process XEXP (src, 0) of a shift insn.
3209
3210 2019-03-26  Richard Biener  <rguenther@suse.de>
3211
3212         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
3213         (copy_debug_stmt): Likewise.
3214         (expand_call_inline): Likewise.
3215         (copy_bb): Avoid redundant lookup & set of gimple_block.
3216         * gimple-low.c (lower_gimple_return): Likewise.
3217         (lower_builtin_setjmp): Likewise.
3218
3219 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
3220
3221         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
3222         is constant 0, turn into static const data member initialized to false.
3223         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
3224         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
3225
3226 2019-03-26  Jason Merrill  <jason@redhat.com>
3227             Jakub Jelinek  <jakub@redhat.com>
3228
3229         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
3230         method.
3231         (mem_alloc_description::release_object_overhead): Fix comment typos.
3232         * hash-table.h (hash_table::~hash_table): Call
3233         release_instance_overhead only if m_entries is non-NULL, otherwise
3234         call unregister_descriptor.
3235
3236 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
3237
3238         PR tree-optimization/81740
3239         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3240         In case of outer loop vectorization, check for backward dependence
3241         at the inner loop if outer loop dependence is reversed.
3242
3243 2019-03-26  Alan Modra  <amodra@gmail.com>
3244
3245         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
3246         rs6000_vector_mem init.  Correct wI and wJ comment.
3247
3248 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
3249
3250         PR rtl-optimization/88347
3251         PR rtl-optimization/88423
3252         * sched-deps.c (sched_analyze_insn): Take into account that for
3253         tablejumps the barrier appears after a label and a jump_table_data.
3254
3255 2019-03-25  Martin Sebor  <msebor@redhat.com>
3256
3257         PR c/89812
3258         * c-common.c (check_user_alignment): Rename local.  Correct maximum
3259         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
3260         convert it to UHWI when it fits.
3261
3262 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
3263
3264         PR debug/86964
3265         * dwarf2out.c (premark_used_variables): New function.
3266         (prune_unused_types_walk): Do not mark not premarked external
3267         variables.
3268         (prune_unused_types): Call premark_used_variables.
3269
3270 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
3271
3272         PR rtl-optimization/89676
3273         * lra-constraints.c (curr_insn_transform): Do match reload for
3274         early clobbers when the match was successful only for different
3275         registers.
3276
3277 2019-03-25  Martin Sebor  <msebor@redhat.com>
3278
3279         * doc/extend.texi (Common Type Attributes): Document vector_size.
3280         (Common Variable Attributes): Mention size constraint.  Correct
3281         quoting and typos.
3282         (Vector Extensions): Use @dfn when defining bas type.  Clarify
3283         base type and size constraints.
3284
3285 2019-03-25  Richard Biener  <rguenther@suse.de>
3286
3287         PR tree-optimization/89789
3288         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
3289         changes from non-undefined back to undefined.
3290
3291 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
3292
3293         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
3294         heap string and a gc string, but since this variable is unknown to
3295         ggc the gc string might get reused and corrupted. Fixed by always
3296         using a heap string.
3297
3298 2019-03-25  Richard Biener  <rguenther@suse.de>
3299
3300         PR tree-optimization/89779
3301         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
3302         to remove IV defs, delay actual removal.
3303         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
3304         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
3305         very end, properly also reset loop control IV information.
3306
3307 2019-03-25  Richard Biener  <rguenther@suse.de>
3308
3309         PR tree-optimization/89802
3310         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
3311         move EH data to folded stmt.
3312
3313 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3314
3315         * config/s390/s390-builtin-types.def: Remove few unused types and
3316         fix sort order for others.
3317
3318 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3319
3320         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
3321         expected and found types with -mdebug during builtin matching.
3322
3323 2019-03-25  Richard Biener  <rguenther@suse.de>
3324
3325         PR middle-end/89790
3326         * fold-const.c (operand_equal_p): Revert last change with
3327         updated comment.
3328
3329 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
3330
3331         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
3332         notes for the result of the __tls_get_addr calls.
3333         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
3334
3335 2019-03-24  Jeff Law  <law@redhat.com>
3336
3337         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
3338
3339         PR rtl-optimization/87761
3340         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
3341         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
3342         as needed.
3343         (pass_cprop_hardreg::execute): Add df note problem and defer insn
3344         rescans.  Reprocess blocks as needed, calling df_analyze before
3345         reprocessing.  Always call df_analyze before fixing up debug bind
3346         insns.
3347
3348 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
3349
3350         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
3351         big endian.
3352
3353 2019-03-22  Andrew Pinski  <apinski@marvell.com>
3354
3355         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
3356         attrribute for uxtw.
3357
3358 2019-03-26  Jeff Law  <law@redhat.com>
3359
3360         PR rtl-optimization/87761
3361         * config/mips/mips-protos.h (mips_split_move): Add new argument.
3362         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
3363         (mips_split_move): Accept new INSN argument.  Try to forward SRC
3364         into the next instruction.
3365         (mips_split_move_insn): Pass INSN through to mips_split_move.
3366
3367 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
3368
3369         PR rtl-optimization/89676
3370         * lra-constraints.c (curr_insn_transform): Do match reload for
3371         early clobbers even if the match was successful.
3372
3373 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3374
3375         PR c++/87481
3376         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
3377
3378 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
3379
3380         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
3381
3382 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3383
3384         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
3385         <avx512>_fmsub_<mode>_mask3<round_name>,
3386         <avx512>_fnmadd_<mode>_mask3<round_name>,
3387         <avx512>_fnmsub_<mode>_mask3<round_name>,
3388         avx512f_vmfmadd_<mode>_mask3<round_name>,
3389         avx512f_vmfmsub_<mode>_mask3<round_name>,
3390         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
3391         instead of register_operand and %v instead of v for match_operand 1.
3392         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
3393         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
3394         <round_nimm_predicate> instead of register_operand and %v instead of v
3395         for match_operand 1.
3396
3397         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
3398         <avx512>_fmadd_<mode>_mask3<round_name>,
3399         <avx512>_fmsub_<mode>_mask<round_name>,
3400         <avx512>_fmsub_<mode>_mask3<round_name>,
3401         <avx512>_fnmadd_<mode>_mask<round_name>,
3402         <avx512>_fnmadd_<mode>_mask3<round_name>,
3403         <avx512>_fnmsub_<mode>_mask<round_name>,
3404         <avx512>_fnmsub_<mode>_mask3<round_name>,
3405         <avx512>_fmaddsub_<mode>_mask<round_name>,
3406         <avx512>_fmaddsub_<mode>_mask3<round_name>,
3407         <avx512>_fmsubadd_<mode>_mask<round_name>,
3408         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
3409         <round_nimm_predicate> instead of nonimmediate_operand.
3410         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
3411         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
3412         Use register_operand instead of <round_nimm_predicate> for the
3413         operand that needs to match output.
3414         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
3415         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
3416         Likewise.  Formatting fixes.
3417
3418         PR target/89784
3419         * config/i386/i386.c (enum ix86_builtins): Remove
3420         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
3421         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
3422         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
3423         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
3424         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
3425         __builtin_ia32_vfmsubss3_mask3): New builtins.
3426         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
3427         avx512f_vmfmadd_<mode>_mask3<round_name>,
3428         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
3429         *avx512f_vmfmsub_<mode>_mask<round_name>,
3430         avx512f_vmfmsub_<mode>_mask3<round_name>,
3431         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
3432         *avx512f_vmfnmadd_<mode>_mask<round_name>,
3433         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
3434         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
3435         *avx512f_vmfnmsub_<mode>_mask<round_name>,
3436         avx512f_vmfnmsub_<mode>_mask3<round_name>,
3437         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
3438         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
3439         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
3440         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
3441         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
3442         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
3443         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
3444         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
3445         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
3446         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
3447         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
3448         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
3449         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
3450         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
3451         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
3452         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
3453         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
3454         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
3455         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
3456         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
3457         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
3458         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
3459
3460 2019-03-21  Martin Sebor  <msebor@redhat.com>
3461
3462         PR tree-optimization/89350
3463         * builtins.c (compute_objsize): Also ignore offsets whose upper
3464         bound is negative.
3465         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
3466         (builtin_memref::builtin_memref): Initialize new member.
3467         Allow EXPR to be null.
3468         (builtin_memref::extend_offset_range): Replace local with a member.
3469         Avoid assuming pointer offsets are unsigned.
3470         (builtin_memref::set_base_and_offset): Determine base object
3471         before computing offset range.
3472         (builtin_access::builtin_access): Handle memset.
3473         (builtin_access::generic_overlap): Replace local with a member.
3474         (builtin_access::strcat_overlap): Same.
3475         (builtin_access::overlap): Same.
3476         (maybe_diag_overlap): Same.
3477         (maybe_diag_access_bounds): Same.
3478         (wrestrict_dom_walker::check_call): Handle memset.
3479         (check_bounds_or_overlap): Same.
3480
3481 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
3482             Jakub Jelinek  <jakub@redhat.com>
3483
3484         PR lto/89692
3485         * tree.c (fld_type_variant, fld_incomplete_type_of,
3486         fld_process_array_type): Call fld->pset.add and don't call
3487         add_tree_to_fld_list if it returns true.
3488         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
3489         non-marked types from TYPE_NEXT_VARIANT list.
3490         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
3491
3492 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
3493
3494         * hash-table.h (hash_table): Add Lazy template parameter defaulted
3495         to false, if true, don't alloc_entries during construction, but defer
3496         it to the first method that needs m_entries allocated.
3497         (hash_table::hash_table, hash_table::~hash_table,
3498         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
3499         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
3500         hash_table::clear_slot, hash_table::traverse_noresize,
3501         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
3502         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
3503         false.
3504         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
3505         NO_INSERT instead of find_with_hash.
3506         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
3507         hash_set::m_table): Add Lazy to template params of hash_table.
3508         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
3509         * attribs.c (test_attribute_exclusions): Likewise.
3510         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
3511         hash_set.  Add tests for hash_set with Lazy = true.
3512
3513 2019-03-21  Richard Biener  <rguenther@suse.de>
3514
3515         PR tree-optimization/89779
3516         * tree.c (tree_nop_conversion): Consolidate and fix defensive
3517         checks with respect to released SSA names now having error_mark_node
3518         type.
3519         * fold-const.c (operand_equal_p): Likewise.
3520
3521 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
3522
3523         PR target/89775
3524         * config/s390/s390.c (global_not_special_regno_p): Move to make it
3525         available to ...
3526         (s390_optimize_register_info): Use global_not_special_regno_p to
3527         check for global regs.
3528
3529 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
3530
3531         PR target/89752
3532         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
3533         update this_alternative nor this_alternative_set.
3534
3535 2019-03-19  Jim Wilson  <jimw@sifive.com>
3536
3537         PR target/89411
3538         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
3539         align, size, offset.  Use them to handle a BLKmode reference.  Update
3540         comment.
3541         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
3542
3543 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
3544
3545         PR rtl-optimization/89768
3546         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
3547         instead of GEN_INT.
3548         (unroll_loop_runtime_iterations): Likewise.
3549
3550 2019-03-19  Martin Sebor  <msebor@redhat.com>
3551
3552         PR tree-optimization/89644
3553         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
3554         rather than endptr as an indicator of nul-termination.
3555
3556         PR tree-optimization/89644
3557         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
3558         arrays in determining sequence sizes in strncpy and stpncpy.
3559
3560 2019-03-19  Martin Liska  <mliska@suse.cz>
3561
3562         PR middle-end/89737
3563         * predict.c (combine_predictions_for_bb): Empty likely_edges and
3564         unlikely_edges if there's an edge that belongs to both these sets.
3565
3566 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
3567
3568         PR target/89746
3569         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
3570         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
3571         go via a stack temporary.
3572
3573 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
3574
3575         PR target/89378
3576         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
3577         instead of gen_rtx_SUBREG.
3578         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
3579
3580 2019-03-19  Richard Biener  <rguenther@suse.de>
3581
3582         PR debug/88389
3583         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
3584
3585 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
3586
3587         PR lto/87809
3588         PR lto/89335
3589         * tree.c (free_lang_data_in_decl): Do not free context of C++
3590         destrutors.
3591
3592 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
3593
3594         PR target/89506
3595         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
3596         subs for the first alternative except when operands[3] is 1.
3597
3598         PR target/89752
3599         * gimplify.c (gimplify_asm_expr): For output argument with
3600         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
3601         diagnose error.
3602
3603 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
3604
3605         PR rtl-optimization/89753
3606         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
3607         explicit unrolling factor even more robust.
3608
3609 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
3610
3611         PR target/89726
3612         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
3613         compensation use x2 += 1 instead of x2 -= -1 and when honoring
3614         signed zeros, do another copysign after the compensation.
3615
3616 2019-03-18  Martin Sebor  <msebor@redhat.com>
3617
3618         PR tree-optimization/89720
3619         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
3620         more conservatively, the same as anti-range.
3621
3622 2019-03-18  Richard Biener  <rguenther@suse.de>
3623
3624         PR middle-end/88945
3625         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
3626         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
3627         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
3628         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
3629
3630 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
3631
3632         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
3633         Extend queue to 1024 entries.
3634         Add "consumed" field.
3635         (gomp_print_output): Remove print_index parameter.
3636         Add final parameter.
3637         Change limit to unsigned.
3638         Use consumed field to implement circular buffer.
3639         Detect interrupted print in final pass.
3640         Flush output at the end.
3641         (run): Update gomp_print_output usage.
3642         (main): Initialize kernargs->output_data.consumed.
3643
3644 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
3645
3646         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
3647         calculation of the minimum number of scalar iterations for
3648         fully-predicated loops.
3649
3650 2019-03-18  Martin Jambor  <mjambor@suse.cz>
3651
3652         PR tree-optimization/89546
3653         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
3654         any propagation to its children took place.
3655
3656 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
3657
3658         PR target/89627
3659         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
3660         parameter, and make use of it.
3661         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
3662
3663 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
3664
3665         * config/arc/arc.opt (mcode-density-frame): Get the inital value
3666         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
3667         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
3668         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
3669         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
3670         match what the ops is doing.
3671         (push_multi_fp_blink): Likewise.
3672         * config/arc/arc.c (arc_override_options): Enable enter/leave when
3673         compiling for size and elf target.
3674         (arc_save_callee_enter): Adjust note to match what enter/leave
3675         operation does.
3676
3677 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
3678
3679         * config/arc/arc.md (tst_movb): Fix constraint.
3680
3681 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
3682
3683         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
3684
3685 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
3686
3687         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
3688         * config/arc/arc.c (arc_conditional_register_usage): Remove all
3689         reg_alloc_order references.
3690         (size_alloc_order): Define.
3691         (arc_adjust_reg_alloc_order): New function.
3692         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
3693         order.
3694         (ADJUST_REG_ALLOC_ORDER): Define.
3695         (HONOR_REG_ALLOC_ORDER): Likewise.
3696
3697 2019-03-18  Richard Biener  <rguenther@suse.de>
3698
3699         PR target/87561
3700         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
3701         loads and stores a bit more.
3702
3703 2019-03-18  Richard Biener  <rguenther@suse.de>
3704
3705         PR target/87561
3706         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
3707         load pessimization to stores as well.
3708
3709 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
3710
3711         PR middle-end/86979
3712         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
3713         successor, use NULL as its av set.
3714
3715 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
3716
3717         PR rtl-optimization/89721
3718         * lra-constraints (invariant_p): Return false if side_effects_p holds.
3719
3720 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3721
3722         PR target/87532
3723         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3724         When handling vec_extract, use modular arithmetic to allow
3725         constant selectors greater than vector length.
3726         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
3727         V1TImode vectors to have constant selector values greater than 0.
3728         Use modular arithmetic to compute vector index.
3729         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
3730         index for in-memory vectors.  Correct code generation for
3731         in-register vectors.
3732         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
3733         compute index.
3734
3735 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
3736
3737         PR c++/88534
3738         PR c++/88537
3739         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
3740         VAR_DECL args.
3741
3742 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
3743
3744         PR c++/89709
3745         * tree.c (inchash::add_expr): Strip any location wrappers.
3746         * fold-const.c (operand_equal_p): Move stripping of location wrapper
3747         after hash verification.
3748
3749         PR debug/89704
3750         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
3751         SIGN_EXTEND and ZERO_EXTEND.
3752
3753 2019-03-14  Jason Merrill  <jason@redhat.com>
3754             Jakub Jelinek  <jakub@redhat.com>
3755
3756         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
3757         than if is_empty (*slot).
3758         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
3759         existing elt and for elt removal.
3760         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
3761         of already removed elt.
3762
3763 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
3764
3765         PR target/89650
3766         * config/i386/i386.c (remove_partial_avx_dependency): Handle
3767         REG_EH_REGION note.
3768
3769 2019-03-14  Martin Liska  <mliska@suse.cz>
3770
3771         PR other/89712
3772         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
3773
3774 2019-03-14  Richard Biener  <rguenther@suse.de>
3775
3776         PR target/89711
3777         * config/i386/i386.c (make_resolver_func): Properly set
3778         DECL_CONTEXT on the RESULT_DECL.
3779         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
3780
3781 2019-03-14  Richard Biener  <rguenther@suse.de>
3782
3783         * gimple-pretty-print.c: Include cfgloop.h.
3784         (dump_gimple_phi): Adjust.
3785         (dump_gimple_bb_header): Dump loop header for GIMPLE.
3786         (pp_cfg_jump): Adjust.
3787         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
3788         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
3789         (lower_phi_internal_fn): Remove.
3790         (verify_gimple_call): Remove IFN_PHI special-casing.
3791         (dump_function_to_file): Dump IL state.
3792         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
3793         done to deal with PHI nodes being present in non-SSA state.
3794
3795 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
3796
3797         PR ipa/89684
3798         * multiple_target.c (create_dispatcher_calls): Change
3799         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
3800         In the node->iterate_referring loop, push *ref rather than ref, call
3801         ref->remove_reference () and always pass 0 to iterate_referring.
3802
3803         PR rtl-optimization/89679
3804         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
3805         would contain a paradoxical SUBREG.
3806
3807 2019-03-14  Richard Biener  <rguenther@suse.de>
3808
3809         PR tree-optimization/89710
3810         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
3811         safe_dyn_cast.
3812
3813 2019-03-14  Martin Liska  <mliska@suse.cz>
3814
3815         * coverage.c (coverage_begin_function): Stream also
3816         end_column.
3817         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
3818         documentation about function declaration location.
3819         * gcov-dump.c (tag_function): Print whole range
3820         of function declaration.
3821         * gcov.c (struct function_info): Add end_column field.
3822         (function_info::function_info): Initialize it.
3823         (output_json_intermediate_file): Output {start,end}_column
3824         fields.
3825         (read_graph_file): Read end_column.
3826
3827 2019-03-14  Richard Biener  <rguenther@suse.de>
3828
3829         PR middle-end/89698
3830         * fold-const.c (operand_equal_p): For INDIRECT_REF check
3831         that the access types are similar.
3832
3833 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
3834
3835         PR tree-optimization/89703
3836         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
3837         aren't compatible also with builtin_decl_explicit.  Check pure
3838         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
3839         and BUILT_IN_STPNCPY{,_CHK}.
3840
3841 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
3842
3843         PR target/89523
3844         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
3845         addr32 prefix to VSIB address for X32.
3846         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
3847         "%M2" to opcode.
3848         (*avx512pf_gatherpf<mode>df_mask): Likewise.
3849         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
3850         (*avx512pf_scatterpf<mode>df_mask): Likewise.
3851         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
3852         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
3853         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
3854         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
3855         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
3856         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
3857         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
3858         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
3859         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
3860         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
3861         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
3862         (*avx512f_scatterdi<mode>): Likewise.
3863
3864 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
3865
3866         PR target/85860
3867         * lra-constraints.c (inherit_in_ebb): Update
3868         potential_reload_hard_regs along with live_hard_regs.
3869
3870 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
3871
3872         PR debug/89498
3873         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
3874         DWARF_OFFSET_SIZE.
3875         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
3876
3877 2019-03-13  Martin Sebor  <msebor@redhat.com>
3878
3879         PR tree-optimization/89662
3880         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
3881         has a size.
3882
3883 2019-03-13  Richard Biener  <rguenther@suse.de>
3884
3885         PR middle-end/89677
3886         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
3887         throw FP expressions at tree-affine.
3888
3889 2019-03-14  Richard Biener  <rguenther@suse.de>
3890
3891         * tree-pretty-print.c (dump_generic_node): For -gimple properly
3892         dump negative integer constants using _Literal (type) -num.
3893
3894 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
3895
3896         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
3897         nonlocal_value member.
3898
3899         PR middle-end/88588
3900         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
3901         (ipa_simd_modify_function_body): Handle PHIs.
3902
3903 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
3904
3905         * config/s390/s390.c (s390_option_override_internal): Use more
3906         aggressive inlining parameters.
3907
3908 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
3909
3910         * config/s390/3906.md: New file.
3911         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
3912         (LONGRUNNING_THRESHOLD): Remove.
3913         (MAX_SCHED_MIX_SCORE): Decrease.
3914         (MAX_SCHED_MIX_DISTANCE): Decrease.
3915         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
3916         (struct s390_sched_state): New struct to hold scheduling state.
3917         (S390_SCHED_STATE_NORMAL): Remove.
3918         (S390_SCHED_STATE_CRACKED): Remove.
3919         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
3920         (s390_get_sched_attrmask): Use new attribute.
3921         (s390_get_unit_mask): Use new units.
3922         (s390_is_fpd): New function.
3923         (s390_is_fxd): New function.
3924         (s390_is_longrunning): New function.
3925         (s390_sched_score): Use new functions.
3926         (s390_sched_reorder): Likewise.
3927         (s390_sched_variable_issue): Rework and use new functions.
3928         (s390_sched_init): Use new functions.
3929         * config/s390/s390.h (s390_tune_attr):  Add z14.
3930         * config/s390/s390.md: Add z14.
3931
3932 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
3933
3934         * config/s390/2964.md: Update pipeline description.
3935         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
3936         (LONGRUNNING_THRESHOLD): Remove.
3937         (LATENCY_FACTOR): Remove.
3938         (s390_get_unit_mask): Add unit.
3939         (s390_sched_score): Use fxd/fpd.
3940         (s390_sched_variable_issue): Use fxd/fpd.
3941
3942 2019-03-12  Martin Liska  <mliska@suse.cz>
3943
3944         * config/i386/i386.c: Reword an error message.
3945
3946 2019-03-12  Martin Jambor  <mjambor@suse.cz>
3947
3948         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
3949         terminate with newline.
3950
3951 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR target/52726
3954         * config/s390/s390.md (tabort): Use %wd instead of
3955         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
3956         letters and periods.
3957         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
3958         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
3959         's with %< and %>.
3960
3961         PR middle-end/89663
3962         * builtins.c (expand_builtin_int_roundingfn,
3963         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
3964         gcc_unreachable if validate_arglist fails.
3965
3966 2019-03-12  Richard Biener  <rguenther@suse.de>
3967
3968         PR tree-optimization/89664
3969         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
3970         free the occurance tree after the early out.
3971
3972 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
3973
3974         PR middle-end/89655
3975         PR bootstrap/89656
3976         * vr-values.c (vr_values::update_value_range): If
3977         old_vr->varying_p (), don't update it, make new_vr also VARYING
3978         and return false.
3979
3980 2019-03-11  Martin Liska  <mliska@suse.cz>
3981
3982         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3983         Fix double string quoting.
3984
3985 2019-03-11  Martin Liska  <mliska@suse.cz>
3986
3987         * collect-utils.c (collect_wait): Wrap apostrophes
3988         in gcc internal format with %'.
3989         * collect2.c (main): Likewise.
3990         (scan_prog_file): Likewise.
3991         (scan_libraries): Likewise.
3992         * config/i386/i386.c (ix86_expand_call): Likewise.
3993         (ix86_handle_interrupt_attribute): Likewise.
3994         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
3995         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
3996         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
3997         * lto-wrapper.c (find_crtoffloadtable): Likewise.
3998         * symtab.c (symtab_node::verify_base): Likewise.
3999         * tree-cfg.c (verify_gimple_label): Likewise.
4000         * tree.c (verify_type_variant): Likewise.
4001
4002 2019-03-11  Martin Liska  <mliska@suse.cz>
4003
4004         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4005         in a string format message and fix GNU coding style.
4006         (expand_builtin_set_thread_pointer): Likewise.
4007         * common/config/aarch64/aarch64-common.c
4008         (aarch64_rewrite_selected_cpu): Likewise.
4009         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4010         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4011         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4012         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4013         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4014         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4015         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4016         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4017         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4018         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4019         Likewise.
4020         * common/config/riscv/riscv-common.c
4021         (riscv_subset_list::parsing_subset_version): Likewise.
4022         (riscv_subset_list::parse_std_ext): Likewise.
4023         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4024         (riscv_subset_list::parse): Likewise.
4025         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4026         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4027         (aarch64_override_options_internal): Likewise.
4028         (aarch64_validate_mcpu): Likewise.
4029         (aarch64_validate_march): Likewise.
4030         (aarch64_validate_mtune): Likewise.
4031         (aarch64_override_options): Likewise.
4032         * config/alpha/alpha.c (alpha_option_override): Likewise.
4033         * config/arc/arc.c (arc_init): Likewise.
4034         (parse_mrgf_banked_regs_option): Likewise.
4035         (arc_override_options): Likewise.
4036         (arc_expand_builtin_aligned): Likewise.
4037         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4038         (arm_expand_builtin): Likewise.
4039         * config/arm/arm.c (arm_option_check_internal): Likewise.
4040         (arm_configure_build_target): Likewise.
4041         (arm_option_override): Likewise.
4042         (arm_options_perform_arch_sanity_checks): Likewise.
4043         (arm_handle_cmse_nonsecure_entry): Likewise.
4044         (arm_handle_cmse_nonsecure_call): Likewise.
4045         (arm_tls_referenced_p): Likewise.
4046         (thumb1_expand_prologue): Likewise.
4047         * config/avr/avr.c (avr_option_override): Likewise.
4048         * config/bfin/bfin.c (bfin_option_override): Likewise.
4049         * config/c6x/c6x.c (c6x_option_override): Likewise.
4050         * config/cr16/cr16.c (cr16_override_options): Likewise.
4051         * config/cris/cris.c (cris_option_override): Likewise.
4052         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4053         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4054         * config/darwin.c (darwin_override_options): Likewise.
4055         * config/frv/frv.c (frv_expand_builtin): Likewise.
4056         * config/h8300/h8300.c (h8300_option_override): Likewise.
4057         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4058         (ix86_option_override_internal): Likewise.
4059         (warn_once_call_ms2sysv_xlogues): Likewise.
4060         (ix86_expand_prologue): Likewise.
4061         (split_stack_prologue_scratch_regno): Likewise.
4062         (ix86_warn_parameter_passing_abi): Likewise.
4063         * config/ia64/ia64.c (fix_range): Likewise.
4064         * config/m68k/m68k.c (m68k_option_override): Likewise.
4065         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4066         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4067         (mips_set_compression_mode): Likewise.
4068         * config/mmix/mmix.c (mmix_option_override): Likewise.
4069         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4070         * config/msp430/msp430.c (msp430_option_override): Likewise.
4071         * config/nds32/nds32.c (nds32_option_override): Likewise.
4072         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
4073         (nios2_option_override): Likewise.
4074         (nios2_expand_custom_builtin): Likewise.
4075         * config/nvptx/mkoffload.c (main): Likewise.
4076         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
4077         * config/pa/pa.c (fix_range): Likewise.
4078         (pa_option_override): Likewise.
4079         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
4080         (riscv_option_override): Likewise.
4081         * config/rl78/rl78.c (rl78_option_override): Likewise.
4082         * config/rs6000/aix61.h: Likewise.
4083         * config/rs6000/aix71.h: Likewise.
4084         * config/rs6000/aix72.h: Likewise.
4085         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
4086         * config/rs6000/freebsd64.h: Likewise.
4087         * config/rs6000/linux64.h: Likewise.
4088         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
4089         (rs6000_expand_zeroop_builtin): Likewise.
4090         (rs6000_expand_mtfsb_builtin): Likewise.
4091         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
4092         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
4093         (rs6000_invalid_builtin): Likewise.
4094         (rs6000_expand_split_stack_prologue): Likewise.
4095         * config/rs6000/rtems.h: Likewise.
4096         * config/rx/rx.c (valid_psw_flag): Likewise.
4097         (rx_expand_builtin): Likewise.
4098         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
4099         * config/s390/s390.c (s390_expand_builtin): Likewise.
4100         (s390_function_profiler): Likewise.
4101         (s390_option_override_internal): Likewise.
4102         (s390_option_override): Likewise.
4103         * config/sh/sh.c (sh_option_override): Likewise.
4104         (sh_builtin_saveregs): Likewise.
4105         (sh_fix_range): Likewise.
4106         * config/sh/vxworks.h: Likewise.
4107         * config/sparc/sparc.c (sparc_option_override): Likewise.
4108         * config/spu/spu.c (spu_option_override): Likewise.
4109         (fix_range): Likewise.
4110         * config/visium/visium.c (visium_option_override): Likewise.
4111         (visium_handle_interrupt_attr): Likewise.
4112         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
4113         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
4114         (dbg_cnt_process_opt): Likewise.
4115         * dwarf2out.c (output_dwarf_version): Likewise.
4116         * except.c (expand_eh_return): Likewise.
4117         * gcc.c (defined): Likewise.
4118         (driver_handle_option): Likewise.
4119         (process_command): Likewise.
4120         (compare_files): Likewise.
4121         (driver::prepare_infiles): Likewise.
4122         (driver::do_spec_on_infiles): Likewise.
4123         (driver::maybe_run_linker): Likewise.
4124         * omp-offload.c (oacc_parse_default_dims): Likewise.
4125         * opts-global.c (handle_common_deferred_options): Likewise.
4126         * opts.c (parse_sanitizer_options): Likewise.
4127         (common_handle_option): Likewise.
4128         (enable_warning_as_error): Likewise.
4129         * passes.c (enable_disable_pass): Likewise.
4130         * plugin.c (parse_plugin_arg_opt): Likewise.
4131         (default_plugin_dir_name): Likewise.
4132         * targhooks.c (default_expand_builtin_saveregs): Likewise.
4133         (default_pch_valid_p): Likewise.
4134         * toplev.c (init_asm_output): Likewise.
4135         (process_options): Likewise.
4136         (toplev::run_self_tests): Likewise.
4137         * tree-cfg.c (verify_gimple_call): Likewise.
4138         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
4139         (tree_inlinable_function_p): Likewise.
4140         * var-tracking.c (vt_find_locations): Likewise.
4141
4142 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
4143
4144         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
4145         only on the else branch.
4146
4147 2019-03-11  Martin Liska  <mliska@suse.cz>
4148
4149         * gcov.c (output_intermediate_json_line): Print function
4150         name of each line.
4151         (output_json_intermediate_file): Add new argument.
4152         * doc/gcov.texi: Document the change.
4153
4154 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
4155
4156         PR rtl-optimization/89588
4157         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4158         explicit unrolling factor more robust.
4159
4160 2019-03-11  Richard Biener  <rguenther@suse.de>
4161
4162         PR tree-optimization/89649
4163         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
4164         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
4165         on the prolog and epilog loops.
4166         (vect_loop_versioning): Return copy of loop.
4167         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
4168         on the non-vectorized version of the loop.
4169
4170 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
4171
4172         PR target/68924
4173         * config/i386/sse.md (*vec_extractv2di_0_sse):
4174         Add (=r,x) alternative and corresponding splitter.
4175
4176 2019-03-10  Martin Jambor  <mjambor@suse.cz>
4177
4178         PR tree-optimization/85762
4179         PR tree-optimization/87008
4180         PR tree-optimization/85459
4181         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
4182         it points to if there is a type changing MEM_REF.  Adjust all callers.
4183         (build_accesses_from_assign): Disable total scalarization if
4184         contains_vce_or_bfcref_p returns true through the new parameter, for
4185         both rhs and lhs.
4186
4187 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
4188
4189         PR c/88568
4190         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
4191         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
4192
4193         PR target/79645
4194         * common.opt (fdiagnostics-show-labels,
4195         fdiagnostics-show-line-numbers, fdiagnostics-format=,
4196         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
4197         gas-locview-support, ginline-points, ginternal-reset-location-views):
4198         Terminate description text with a dot.
4199         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
4200         * config/mcore/mcore.opt (m210, m340): Likewise.
4201         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
4202         mnops=): Start description text with a capital letter.
4203         * config/arc/arc.opt (msize-level=): Likewise.
4204         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
4205         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
4206         mnewlib): Likewise.
4207         * config/ft32/ft32.opt (msim): Likewise.
4208         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
4209         (mnodiv, mnopm): Terminate description text with a dot.
4210         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
4211         a colon.
4212         * config/i386/i386.opt (prefer_vector_width, instrument_return):
4213         Likewise.
4214         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
4215         text.
4216
4217         PR rtl-optimization/89634
4218         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
4219         are modified in BB_END (e->src) instruction.
4220
4221 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
4222
4223         PR target/79926
4224         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
4225         messages more amenable to translation, and improve wording.
4226
4227 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
4228
4229         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
4230         ud- and du-chains between phases.
4231
4232 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
4233
4234         PR debug/89631
4235         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
4236         instead of POLY_INT_CST.
4237
4238 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4239
4240         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
4241         requirement.
4242
4243 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
4244
4245         PR target/68924
4246         PR target/78782
4247         PR target/87558
4248         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
4249         (_mm_storeu_si64): Ditto.
4250
4251 2019-03-08  Martin Liska  <mliska@suse.cz>
4252
4253         PR target/86952
4254         * config/i386/i386.c (ix86_option_override_internal): Disable
4255         jump tables when retpolines are used.
4256
4257 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
4258
4259         PR go/63560
4260         * ipa-split.c (execute_split_functions): Do not split
4261         'noinline' or 'section' function.
4262
4263 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4264
4265         PR target/79846
4266         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
4267         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
4268         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
4269
4270         PR ipa/80000
4271         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4272         from diagnostics.  Formatting fixes.
4273
4274         PR target/85665
4275         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
4276         warn_odr diagnostics.
4277
4278         PR other/80058
4279         * lra-constraints.c (process_alt_operands): Avoid one space before
4280         " at the end of line and another after " on another line in a string
4281         literal.
4282         * attribs.c (handle_dll_attribute): Likewise.
4283         * config/avr/avr-devices.c (avr_texinfo): Likewise.
4284
4285         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
4286         warning_at or inform messages in G_() if there is no ?:.
4287
4288         PR tree-optimization/89550
4289         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
4290         returned true.  Formatting fixes.
4291         (expand_builtin_strnlen): Formatting fixes.
4292         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
4293         if warning_at returned true.
4294         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
4295
4296 2019-03-08  Richard Biener  <rguenther@suse.de>
4297
4298         PR middle-end/89578
4299         * cfgloop.h (struct loop): Add owned_clique field.
4300         * cfgloopmanip.c (copy_loop_info): Copy it.
4301         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
4302         cliques.
4303         * tree-inline.c (copy_loops): Remap owned_clique.
4304         * lto-streamer-in.c (input_cfg): Stream owned_clique.
4305         * lto-streamer-out.c (output_cfg): Likewise.
4306
4307 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4308
4309         PR target/80190
4310         * config/darwin.c: Include intl.h.
4311         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
4312         composing the message out of two separate parts.
4313
4314 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4315
4316         PR target/80003
4317         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
4318         doesn't start with a capital letter and doesn't end with a dot.
4319         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
4320         with a capital letter.
4321         (ix86_mangle_function_version_assembler_name): Likewise.
4322         (ix86_generate_version_dispatcher_body): Likewise.
4323         (fold_builtin_cpu): Likewise.
4324         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
4325         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
4326         translators, wrap full type name in %qs.
4327
4328         PR translation/79999
4329         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
4330         depend clause with source (or sink) modifier.
4331         * omp-expand.c (expand_omp_ordered_sink): Likewise.
4332
4333         PR target/89602
4334         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
4335         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
4336         (avx512f_load<mode>_mask): New define_expand.
4337         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
4338         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
4339         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
4340         __builtin_ia32_movess_mask): New builtins.
4341         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
4342         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
4343         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
4344         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
4345
4346 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4347
4348         PR lto/87525
4349         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
4350         for extern inline functions.
4351
4352 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4353
4354         PR ipa/88235
4355         * cgraph.h (cgraph_node): New inline method former_thunk_p.
4356         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
4357         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
4358         have multiple callees.  At the end check if declarations match as
4359         opposed to cgraph_nodes.
4360
4361 2019-03-07  Martin Liska  <mliska@suse.cz>
4362
4363         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
4364         which is equivalent to searching for this in clones chain.
4365         * symtab.c (symtab_node::verify_base): Similarly compare ASM
4366         names with a neighbour and special case first node in a chain.
4367
4368 2019-01-25  Jason Merrill  <jason@redhat.com>
4369
4370         PR c++/80916 - spurious "static but not defined" warning.
4371         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
4372         for an internal symbol with DECL_EXTERNAL.
4373
4374 2019-04-07  Richard Biener  <rguenther@suse.de>
4375
4376         PR middle-end/89618
4377         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
4378         * tree-inline.c (copy_loops): Simplify.
4379
4380 2019-03-07  Martin Liska  <mliska@suse.cz>
4381
4382         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
4383
4384 2019-03-07  Richard Biener  <rguenther@suse.de>
4385
4386         PR tree-optimization/89595
4387         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
4388         stmt iterator as reference, take boolean output parameter to
4389         indicate whether the stmt was removed and thus the iterator
4390         already advanced.
4391         (dom_opt_dom_walker::before_dom_children): Re-iterate over
4392         stmts created by folding.
4393
4394 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4395
4396         PR c++/89585
4397         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
4398         at toplevel.
4399
4400 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
4401
4402         PR rtl-optimization/88845
4403         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
4404         LRA.
4405         * lra.c (remove_scratches_1): New function.
4406         (remove_scratches): Use it.
4407         (lra_emit_move): Likewise.
4408
4409 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
4410
4411         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
4412         unaligned_access variable.
4413         * config/arc/arc.c (arc_override_options): Set unaligned access
4414         default on for HS CPUs.
4415         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
4416
4417 2019-03-06  Martin Liska  <mliska@suse.cz>
4418
4419         PR gcov-profile/89577
4420         * doc/gcov.texi: Prefer to use --coverage.
4421         * doc/sourcebuild.texi: Likewise.
4422
4423 2019-03-02  Jason Merrill  <jason@redhat.com>
4424
4425         PR c++/86485 - -Wmaybe-unused with empty class ?:
4426         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
4427
4428 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4429
4430         PR target/89587
4431         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
4432         if_multiarch.
4433
4434         PR middle-end/89590
4435         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
4436         exactly one argument.
4437
4438 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4439             Richard Sandiford  <richard.sandiford@arm.com>
4440
4441         PR tree-optimization/89570
4442         * match.pd (vec_cond into cond_op simplification): Don't use
4443         get_conditional_internal_fn, use as_internal_fn (cond_op).
4444
4445 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
4446
4447         PR target/89222
4448         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
4449         to decide when to split off a non-zero offset from a symbol.
4450         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
4451         in function symbols.
4452
4453 2019-03-05  Richard Biener  <rguenther@suse.de>
4454
4455         PR tree-optimization/89594
4456         * tree-if-conv.c (pass_if_conversion::execute): Handle
4457         case where .LOOP_VECTORIZED_FUNCTION was removed.
4458
4459 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4460
4461         PR bootstrap/89560
4462         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
4463         instead alloca it only when needed with the needed size.
4464
4465         PR tree-optimization/89570
4466         * match.pd (vec_cond into cond_op simplification): Guard with
4467         vectorized_internal_fn_supported_p test and #if GIMPLE.
4468
4469         PR tree-optimization/89566
4470         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
4471         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
4472         Punt if get_user_idx_format succeeds, but idx_format argument is
4473         not provided or doesn't have pointer type, or if idx_args is above
4474         number of provided arguments.
4475
4476 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
4477
4478         PR tree-optimization/89437
4479         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
4480
4481 2019-03-04  Richard Biener  <rguenther@suse.de>
4482
4483         PR middle-end/89572
4484         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
4485         safe_dyn_cast.
4486
4487 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
4488
4489         PR tree-optimization/89487
4490         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
4491         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
4492         (distribute_loop): Don't do runtime alias check if there is non-
4493         addressable data reference.
4494         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
4495         is a register variable.
4496
4497 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
4498
4499         PR target/89506
4500         * config/arm/arm.md (cmpsi2_addneg): Use
4501         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
4502         If operands[2] is 0 or INT_MIN, force use of subs.
4503         (*compare_scc splitter): Use gen_int_mode.
4504         (*negscc): Likewise.
4505         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
4506
4507 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
4508             Monk Chiang  <sh.chiang04@gmail.com>
4509
4510         * common/config/riscv/riscv-common.c: Include sstream.
4511         (riscv_subset_list::to_string): New.
4512         (riscv_arch_str): Likewise.
4513         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
4514         * config.in: Regen.
4515         * config/riscv/riscv-protos.h (riscv_arch_str): New.
4516         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
4517         (riscv_emit_attribute): New.
4518         (riscv_file_start): Emit attribute if needed.
4519         (riscv_option_override): Init riscv_emit_attribute_p.
4520         * config/riscv/riscv.opt (mriscv-attribute): New option.
4521         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
4522         * configure: Regen.
4523         * doc/install.texi: Document --with-riscv-attribute.
4524         * doc/invoke.texi: Document -mriscv-attribute.
4525
4526         * common/config/riscv/riscv-common.c:
4527         Include config/riscv/riscv-protos.h.
4528         (INCLUDE_STRING): Defined.
4529         (RISCV_DONT_CARE_VERSION): Defined.
4530         (riscv_subset_t): Declare.
4531         (riscv_subset_t::riscv_subset_t): New.
4532         (riscv_subset_list): Declare.
4533         (riscv_subset_list::riscv_subset_list): New.
4534         (riscv_subset_list::~riscv_subset_list): Likewise.
4535         (riscv_subset_list::parsing_subset_version): Likewise.
4536         (riscv_subset_list::parse_std_ext): Likewise.
4537         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4538         (riscv_subset_list::add): Likewise.
4539         (riscv_subset_list::lookup): Likewise.
4540         (riscv_subset_list::xlen): Likewise.
4541         (riscv_subset_list::parse): Likewise.
4542         (riscv_supported_std_ext): Likewise.
4543         (current_subset_list): Likewise.
4544         (riscv_parse_arch_string): Using riscv_subset_list::parse to
4545         parse.
4546
4547 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
4548
4549         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
4550         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
4551         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
4552
4553 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
4554
4555         PR rtl-optimization/85899
4556         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
4557         fallthru edges leading to the exit block.
4558
4559 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
4560
4561         PR target/89517
4562         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
4563         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
4564
4565 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
4566
4567         PR tree-optimization/89535
4568         * tree-vect-stmts.c (vectorizable_call): Record the vector types
4569         for each operand.  Calculate the fallback choice for mask operands
4570         and pass it to vect_get_vec_def_for_operand.
4571
4572 2019-03-01  Richard Biener  <rguenther@suse.de>
4573
4574         PR middle-end/89541
4575         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
4576         get virtual operands.
4577         (get_expr_operands): Handle CONST_DECL like other decls.
4578
4579 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
4580
4581         PR middle-end/89503
4582         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
4583         on DECL_P and EXPR_P.
4584
4585 2019-03-01  Richard Biener  <rguenther@suse.de>
4586
4587         PR middle-end/89497
4588         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
4589         argument, defaulted to zero.
4590         * passes.c (execute_function_todo): Pass down SSA update flags
4591         to cleanup_tree_cfg.
4592         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
4593         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
4594         form if requested.
4595         (cleanup_tree_cfg): Get and pass down SSA update flags.
4596
4597 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
4598
4599         PR bootstrap/89539
4600         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
4601         early_lto_debug argument.
4602
4603 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4604
4605         PR tree-optimization/89536
4606         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
4607         only whether bit #0 of the value is 0 instead of the entire value.
4608
4609 2019-02-28  Marek Polacek  <polacek@redhat.com>
4610
4611         PR c++/87068 - missing diagnostic with fallthrough statement.
4612         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
4613         at the end of a seq, save its location to walk_stmt_info.
4614         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
4615         a switch.
4616
4617 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
4618
4619         PR lto/88585
4620         * tree.c (find_atomic_core_type): Move ahead in file.
4621         (check_base_type): Correctly compare alignments of atomic types.
4622
4623 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4624
4625         PR target/89455
4626         * config/i386/i386.c (get_builtin_code_for_version): Identify
4627         Westmere from PCLMUL, instead of AES.
4628
4629 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
4630
4631         PR target/89434
4632         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
4633         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
4634         -UINTVAL (...).
4635
4636 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
4637
4638         PR target/88530
4639         * config/aarch64/aarch64-option-extensions.def: Document it.
4640         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
4641         if empty hwcaps.
4642
4643 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
4644
4645         PR c/89520
4646         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
4647         builtins if they don't have a single scalar floating point argument.
4648         Formatting fixes.
4649
4650 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4651
4652         PR rtl-optimization/89490
4653         * varasm.c (get_block_for_section): Bail out for mergeable sections.
4654         (default_use_anchors_for_symbol_p, output_object_block): Assert the
4655         block section is not mergeable.
4656
4657 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
4658
4659         PR target/70341
4660         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
4661         old define_insn to ...
4662         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
4663         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
4664         Rename old define_insn to ...
4665         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
4666         (thumb2_casesi_internal_pic): New define_expand.  Rename old
4667         define_insn to ...
4668         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
4669         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
4670         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
4671
4672 2019-02-27  Richard Biener  <rguenther@suse.de>
4673
4674         PR debug/88878
4675         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
4676
4677 2019-02-27  Richard Biener  <rguenther@suse.de>
4678
4679         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
4680         building.
4681
4682 2019-02-27  Richard Biener  <rguenther@suse.de>
4683
4684         PR debug/88878
4685         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
4686         parameter, prefix section name with .gnu.debuglto_ if true.
4687         (dwarf2out_finish): Pass false to output_comdat_type_unit.
4688         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
4689
4690 2019-02-27  Richard Biener  <rguenther@suse.de>
4691
4692         PR debug/89514
4693         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
4694         rather than on use_debug_types, doing what output_die does.
4695         (value_format): Likewise.
4696
4697 2019-02-27  Martin Jambor  <mjambor@suse.cz>
4698             Martin Sebor  <msebor@redhat.com>
4699
4700         * doc/invoke.texi (Warning Options): Reword description of
4701         -Wno-absolute-value.
4702
4703 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
4704
4705         PR tree-optimization/89280
4706         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
4707         builtin_setjmp_setup_bb): New functions.
4708         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
4709         When visiting __builtin_setjmp_setup block, queue in special
4710         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
4711         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
4712         from visited after the loop if they don't have any visited successor
4713         blocks.
4714
4715 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
4716
4717         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
4718         New function.
4719         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
4720
4721 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
4722
4723         PR c++/89507
4724         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
4725         with types other than sizetype/ssizetype.
4726
4727 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
4728
4729         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
4730         (enum sparc_processor_type): ...this.
4731         (enum sparc_code_model_type): New enumeration type.
4732         (enum sparc_memory_model_type): Tweak comments.
4733         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
4734         (mtune): Likewise.
4735         (mcmodel): Use sparc_code_model enumeration and variable.
4736         (sparc_code_model): New enumeration.
4737         (mdebug): Add Undocumented marker.
4738         * config/sparc/sparc.h (enum cmodel): Delete.
4739         (sparc_cmodel): Likewise.
4740         (TARGET_CM_MEDLOW): Adjust to above renaming.
4741         (TARGET_CM_MEDMID): Likewise.
4742         (TARGET_CM_MEDANY): Likewise.
4743         (TARGET_CM_EMBMEDANY): Likewise.
4744         * config/sparc/sparc.c (sparc_cmodel): Delete.
4745         (sparc_option_override): Remove string/value mapping support for the
4746         code model.  Move code and memory model support to after the handling
4747         of target flags.  Do private machine setup last.
4748         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
4749         (sparc_legitimize_reload_address): Likewise.
4750         (sparc_output_mi_thunk): Likewise.
4751         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
4752
4753 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
4754
4755         PR tree-optimization/89500
4756         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
4757         (handle_builtin_strlen): Remove noncst_bound variable.  Always
4758         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
4759         cst if the first cst bytes starting at x are known to be non-zero,
4760         even if the string is not zero terminated.  Don't try to modify
4761         *si for strnlen.  Update strlen_to_stridx only for strlen or if
4762         we can prove strnlen returns the same value as strlen would.
4763
4764 2019-02-26  Martin Liska  <mliska@suse.cz>
4765
4766         * alloc-pool.h (struct pool_usage): Remove extra
4767         print_dash_line.
4768         * bitmap.h (struct bitmap_usage): Likewise.
4769         * ggc-common.c (struct ggc_usage): Likewise.
4770         * mem-stats.h (struct mem_usage): Likewise.
4771         (mem_alloc_description::dump): Print dash lines
4772         here and repeat header at the end of a table report.
4773         It's then more readable.
4774         * tree-phinodes.c (phinodes_print_statistics): Make
4775         horizontal alignment.
4776         * tree-ssanames.c (ssanames_print_statistics): Likewise.
4777         * vec.c (struct vec_usage): Remove extra print_dash_line.
4778         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
4779
4780 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
4781
4782         * doc/extend.texi (__builtin_object_size):
4783         Use @pxref instead of @xref inside parenthesis.
4784         (__builtin_has_attribute): Add missing comma after @xref.
4785         (__builtin_object_size): Ditto.
4786         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
4787         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
4788         in the list.
4789
4790 2019-02-26  Jeff Law  <law@redhat.com>
4791
4792         PR rtl-optimization/87761
4793         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
4794         detect obviously dead insns and delete them.
4795
4796 2019-02-26  Richard Biener  <rguenther@suse.de>
4797
4798         PR tree-optimization/89505
4799         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
4800         to handle restrict pointed-to vars with multiple subvars
4801         correctly.
4802
4803 2019-02-26  Richard Biener  <rguenther@suse.de>
4804
4805         PR tree-optimization/89489
4806         * tree-parloops.c (create_loop_fn): Copy over last_clique.
4807
4808 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
4809
4810         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
4811         and move around comment.
4812         <BIT_AND_EXPR>: Likewise.
4813         <BIT_NOT_EXPR>: Add specific handling for boolean types.
4814
4815 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
4816
4817         PR target/89474
4818         * config/i386/i386.c (remove_partial_avx_dependency): Call
4819         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
4820         after changing possibly many instructions to use that pseudo.  Fix up
4821         insertion of v4sf_const0 setter at the start of bb.
4822
4823 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
4824
4825         PR c/80409
4826         * doc/extend.texi (Variadic Pointer Args): New section.
4827
4828 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
4829             Martin Sebor  <msebor@gmail.com>
4830
4831         * common.opt (Wattribute-alias): Likewise.
4832         * doc/invoke.texi (Option Summary): List general form of
4833         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
4834         (-Wmissing-attributes): Invert entry, rewrite and correct default.
4835         Add cross-references.
4836         (-Wattribute-alias): Rewrite and correct default.  Mention
4837         considered attributes (same as for -Wmissing-attributes).
4838
4839 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
4840
4841         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
4842         (_mm_cvtpd_ps): Likewise.
4843         (_mm_cvttpd_epi32): Likewise.
4844
4845         PR target/89338
4846         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
4847         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
4848
4849         PR target/89339
4850         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
4851
4852 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
4853
4854         PR target/88530
4855         * common/config/aarch64/aarch64-common.c
4856         (struct aarch64_option_extension): Add is_synthetic.
4857         (all_extensions): Use it.
4858         (TARGET_OPTION_INIT_STRUCT): Define hook.
4859         (struct gcc_targetm_common): Moved to end.
4860         (all_extensions_by_on): New.
4861         (opt_ext_cmp, typedef opt_ext): New.
4862         (aarch64_option_init_struct): New.
4863         (aarch64_contains_opt): New.
4864         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
4865         * config/aarch64/aarch64-option-extensions.def
4866         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
4867         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
4868         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
4869         Set is_synthetic to false.
4870         (crypto): Set is_synthetic to true.
4871         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
4872         SYNTHETIC.
4873
4874 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
4875
4876         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
4877         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
4878         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
4879         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
4880         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
4881         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
4882         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
4883         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
4884         Rename ...
4885         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
4886         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
4887         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
4888         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
4889         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
4890         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
4891         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
4892         vfmlsl_laneq_high_f16): ... To this.
4893         * config/arm/neon.md: Update comments.
4894
4895 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
4896
4897         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
4898         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
4899         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
4900         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
4901         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
4902         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
4903         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
4904         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
4905         Rename ...
4906         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
4907         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
4908         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
4909         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
4910         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
4911         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
4912         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
4913         vfmlslq_laneq_high_f16): ... To this.
4914
4915 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
4916
4917         PR rtl-optimization/86096
4918         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
4919         comparing mw_order values.
4920
4921 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
4922
4923         PR target/89434
4924         * config/arm/arm.md (*subsi3_carryin_const): Use
4925         arm_neg_immediate_operand predicate instead of
4926         arm_not_immediate_operand, "L" constraint instead of "K" and
4927         print it using %n2 instead of %B2.
4928         (*subsi3_carryin_const0): New define_insn.
4929         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
4930         instead of arm_not_operand and "I" constraint instead of "K" and
4931         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
4932         another match_operand and in the condition check that it is negation
4933         of operands[2].
4934         (*subsi3_carryin_compare_const0): New define_ins.
4935         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
4936         *subsi3_carryin_const.
4937         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
4938         split into *subsi3_carryin_compare_const0 if the highpart is zero.
4939
4940         PR target/89438
4941         * config/arm.vfp.md (*negdf2_vfp): Use
4942         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
4943         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
4944
4945 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
4946
4947         PR rtl-optimization/89445
4948         * simplify-rtx.c (simplify_ternary_operation): Don't use
4949         simplify_merge_mask on operands that may trap.
4950         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
4951         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
4952         second operand is CONST_VECTOR, check if any element could be zero.
4953         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
4954         their operands can trap.
4955
4956 2019-02-23  Martin Sebor  <msebor@redhat.com>
4957
4958         * gimple-ssa-sprintf.c (target_strtol): Rename...
4959         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
4960         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
4961         check for range error.
4962
4963 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4964
4965         PR driver/69471
4966         * opts-common.c (prune_options): Also prune joined switches
4967         with Negative and RejectNegative.
4968         * config/i386/i386.opt (march=): Add Negative(march=).
4969         (mtune=): Add Negative(mtune=).
4970         * doc/options.texi: Document Negative used together with Joined
4971         and RejectNegative.
4972
4973 2019-02-22  Martin Sebor  <msebor@redhat.com>
4974
4975         * doc/extend.texi (Other Builtins): Add
4976         __builtin_is_constant_evaluated.
4977
4978 2019-02-22  Richard Biener  <rguenther@suse.de>
4979
4980         PR tree-optimization/87609
4981         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
4982
4983 2019-02-22  Jeff Law  <law@redhat.com>
4984
4985         PR rtl-optimization/87761
4986         * config/mips/mips.md: Add new combiner pattern to recognize
4987         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
4988
4989 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
4990
4991         PR target/89324
4992         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
4993         destination register in peepholes generating patterns for ADDS/SUBS.
4994         (add<mode>3_compare0,
4995         *addsi3_compare0_uxtw, add<mode>3_compareC,
4996         add<mode>3_compareV_imm, add<mode>3_compareV,
4997         *adds_<optab><ALLX:mode>_<GPI:mode>,
4998         *subs_<optab><ALLX:mode>_<GPI:mode>,
4999         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5000         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5001         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5002         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5003         sub<mode>3_compare1): Allow stack pointer for source register.
5004         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5005
5006 2019-02-22  Martin Sebor  <msebor@redhat.com>
5007
5008         PR tree-optimization/88993
5009         PR tree-optimization/88853
5010         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5011         New helper.
5012         (sprintf_dom_walker::call_info::is_string_func): New helper.
5013         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5014         for formatted string functions.
5015         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5016
5017 2019-02-22  Martin Sebor  <msebor@redhat.com>
5018
5019         PR c/89425
5020         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5021         unreachable subexpressions.
5022
5023 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5024             Hongtao Liu  <hongtao.liu@intel.com>
5025             Sunil K Pandey  <sunil.k.pandey@intel.com>
5026
5027         PR target/87007
5028         * config/i386/i386-passes.def: Add
5029         pass_remove_partial_avx_dependency.
5030         * config/i386/i386-protos.h
5031         (make_pass_remove_partial_avx_dependency): New.
5032         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5033         New function.
5034         (pass_data_remove_partial_avx_dependency): New.
5035         (pass_remove_partial_avx_dependency): Likewise.
5036         (make_pass_remove_partial_avx_dependency): Likewise.
5037         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5038         (*extendsfdf2): Add avx_partial_xmm_update.
5039         (truncdfsf2): Likewise.
5040         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5041         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5042
5043 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5044
5045         PR middle-end/85598
5046         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5047         analysis for pass.
5048
5049 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5050
5051         PR target/89444
5052         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5053         (PTA_SKYLAKE): Add PTA_AES.
5054         (PTA_GOLDMONT): Likewise.
5055
5056 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5057
5058         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5059         instruction if enabled.
5060         (aarch64_override_options): Remove reference to return address key.
5061
5062 2019-02-22  Richard Biener  <rguenther@suse.de>
5063
5064         PR tree-optimization/89440
5065         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5066         not necessary assert.
5067
5068 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5069
5070         PR fortran/72741
5071         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5072         (oacc_replace_fn_attrib_attr): ... this new function.
5073         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
5074         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
5075
5076 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5077
5078         * config/arm/arm-cpus.in (ares): Rename to...
5079         (neoverse-n1): ... This.  Add ares as alias.
5080         * config/arm/arm-tables.opt: Regenerate.
5081         * config/arm/arm-tune.md: Likewise.
5082         * doc/invoke.txt (ARM Options): Document neoverse-n1.
5083
5084 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5085
5086         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
5087         * config/aarch64/aarch64-tune.md: Regenerate.
5088         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
5089
5090 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5091
5092         * config/aarch64/aarch64.c (ares_tunings): Rename to...
5093         (neoversen1_tunings): ... This.
5094         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
5095         (neoverse-n1): New CPU.
5096         * config/aarch64/aarch64-tune.md: Regenerate.
5097         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
5098
5099 2019-02-22  Richard Biener  <rguenther@suse.de>
5100
5101         PR middle-end/87609
5102         * cfghooks.h (dependence_hash): New typedef.
5103         (struct copy_bb_data): New type.
5104         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
5105         (duplicate_block): Likewise.
5106         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
5107         (copy_bbs): Create and pass down copy_bb_data.
5108         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
5109         (rtl_duplicate_bb): Likewise.
5110         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
5111         remap dependence info.
5112
5113 2019-02-22  Richard Biener  <rguenther@suse.de>
5114
5115         PR tree-optimization/87609
5116         * tree-core.h (tree_base): Document special clique values.
5117         * tree-inline.c (remap_dependence_clique): Do not use the
5118         special clique value of one.
5119         (maybe_set_dependence_info): Use clique one.
5120         (clear_dependence_clique): New callback.
5121         (compute_dependence_clique): Clear clique one from all refs
5122         before assigning it (again).
5123
5124 2019-02-21  Martin Sebor  <msebor@redhat.com>
5125
5126         * doc/extend.texi (__clear_cache): Correct signature.
5127
5128 2019-02-21  Ian Lance Taylor  <iant@golang.org>
5129
5130         PR go/89170
5131         * varasm.c (decode_addr_const): Call lookup_constant_def rather
5132         than output_constant_def.
5133         (add_constant_to_table): New static function.
5134         (output_constant_def): Call add_constant_to_table.
5135         (tree_output_constant_def): Likewise.
5136
5137 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5138
5139         PR c++/89285
5140         * builtins.c (fold_builtin_arith_overflow): If first two args are
5141         INTEGER_CSTs, set intres and ovfres to constants rather than calls
5142         to ifn.
5143
5144 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5145
5146         PR target/87412
5147         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
5148         error for -mindirect-branch/-mfunction-return with incompatible
5149         -fcf-protection.
5150
5151 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5152
5153         PR bootstrap/88714
5154         * constraints.md (q): Remove.
5155         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
5156         instead of q.
5157
5158 2019-02-21  Martin Jambor  <mjambor@suse.cz>
5159
5160         PR hsa/89302
5161         * omp-general.c (omp_extract_for_data): Removed a duplicate call
5162         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
5163         (omp_adjust_for_condition): ...here.  Added necessary parameters.
5164         * omp-general.h (omp_adjust_for_condition): Updated declaration.
5165         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
5166         proper values to new parameters of omp_adjust_for_condition.
5167
5168 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5169
5170         PR middle-end/89412
5171         * expr.c (expand_assignment): If result is a MEM, use change_address
5172         instead of simplify_gen_subreg.
5173
5174 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5175             David Malcolm  <dmalcolm@redhat.com>
5176
5177         PR middle-end/89091
5178         * fold-const.c (decode_field_reference): Return NULL_TREE if
5179         lang_hooks.types.type_for_size returns NULL.  Check it before
5180         overwriting *exp_.  Use return NULL_TREE instead of return 0.
5181
5182 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5183
5184         PR middle-end/88074
5185         PR middle-end/89415
5186         * toplev.c (do_compile): Double the emin/emax exponents to workaround
5187         buggy mpc_norm.
5188
5189 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
5190
5191         PR target/89397
5192         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
5193         TARGET_SSE in addition to TARGET_SSE_MATH.
5194
5195         (ix86_excess_precision): Ditto.
5196         (ix86_float_exceptions_rounding_supported_p): Ditto.
5197         (use_rsqrt_p): Ditto.
5198         * config/i386/sse.md (rsqrt<mode>2): Ditto.
5199
5200 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
5201
5202         PR c/89410
5203         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
5204         linenum_arith_t when determining if two adjacent line spans are
5205         close enough to merge.
5206         (diagnostic_show_locus): Use linenum_arith_t when iterating over
5207         lines within each line_span.
5208
5209 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
5210
5211         PR target/86487
5212         * lra-constraints.c(uses_hard_regs_p): Fix handling of
5213         paradoxical SUBREGS.
5214
5215 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
5216
5217         PR target/88100
5218         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
5219         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
5220         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
5221         range checking it.
5222
5223 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
5224
5225         * config/gcn/gcn.c (print_operand): Fix typo.
5226
5227 2019-02-19  Richard Biener  <rguenther@suse.de>
5228
5229         PR middle-end/88074
5230         * toplev.c (do_compile): Initialize mpfr's exponent range
5231         based on available float modes.
5232
5233 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5234
5235         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
5236         as long as the epilogue isn't completed.
5237
5238 2019-02-18  Martin Sebor  <msebor@redhat.com>
5239
5240         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
5241         __has_cpp_attribute, and __has_include.
5242
5243 2019-02-18  Martin Sebor  <msebor@redhat.com>
5244
5245         * doc/invoke.texi (-Wreturn-type): Correct and expand.
5246
5247 2019-02-18  Martin Sebor  <msebor@redhat.com>
5248
5249         PR middle-end/89294
5250         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
5251         expression.
5252         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
5253
5254 2019-02-18  Richard Biener  <rguenther@suse.de>
5255
5256         PR tree-optimization/89296
5257         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
5258         of no-warning flag to cases that might emit the bogus warning.
5259
5260 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
5261
5262         PR bootstrap/88714
5263         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
5264         "q" constraint.
5265         * config/arm/vfp.md (*movdi_vfp): Likewise.
5266         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
5267         "q" constraint for operands[0].
5268
5269         PR target/89369
5270         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
5271         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
5272         pattern in a temporary buffer.
5273         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
5274         than 64-operands[2].
5275
5276         PR target/89361
5277         * config/s390/s390.c (s390_indirect_branch_attrvalue,
5278         s390_indirect_branch_settings): Define unconditionally.
5279         (s390_set_current_function): Likewise, but guard the whole body except
5280         the s390_indirect_branch_settings call with
5281         #if S390_USE_TARGET_ATTRIBUTE.
5282         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
5283
5284         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
5285         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
5286         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
5287         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
5288         HOST_WIDE_INT_1U instead of 1ULL.
5289         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
5290         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
5291         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
5292         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
5293         instead of 1UL.
5294         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
5295         instead of 1ul.
5296
5297 2019-02-18  Martin Jambor  <mjambor@suse.cz>
5298
5299         PR tree-optimization/89209
5300         * tree-sra.c (create_access_replacement): New optional parameter
5301         reg_tree.  Use it as a type if non-NULL and access type is not of
5302         a register type.
5303         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
5304         to create_access_replacement.
5305         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
5306         Check lacc is non-NULL before attempting to re-create it on the RHS.
5307
5308 2019-02-18  Martin Liska  <mliska@suse.cz>
5309
5310         PR ipa/89306
5311         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
5312         by default.
5313         (symbol_table::free_edge): Recycle m_summary_id.
5314         * cgraph.h (get_summary_id): New.
5315         (symbol_table::release_symbol): Set m_summary_id to -1
5316         by default.
5317         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
5318         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
5319         function_summary to fast_function_summary.
5320         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
5321         * ipa-pure-const.c (class funct_state_summary_t):
5322         Switch from function_summary to fast_function_summary.
5323         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
5324         (class ipa_ref_opt_summary_t): Switch from function_summary
5325         to fast_function_summary.
5326         * symbol-summary.h (class function_summary_base): New class
5327         that is created from base of former function_summary.
5328         (function_summary_base::unregister_hooks): New.
5329         (class function_summary): Inherit from function_summary_base.
5330         (class call_summary_base): New class
5331         that is created from base of former call_summary.
5332         (class call_summary): Inherit from call_summary_base.
5333         (struct is_same): New.
5334         (class fast_function_summary): New summary class.
5335         (class fast_call_summary): New summary class.
5336         * vec.h (vec_safe_grow_cleared): New function.
5337
5338 2019-02-18  Martin Liska  <mliska@suse.cz>
5339
5340         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
5341         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
5342         * doc/tm.texi: Document new target hook.
5343         * doc/tm.texi.in: Likewise.
5344         * target.def: Add new target macro.
5345         * gcc.c (find_fortran_preinclude_file): Do not search multilib
5346         suffixes.
5347
5348 2019-02-17  Alan Modra  <amodra@gmail.com>
5349
5350         PR target/89271
5351         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
5352         output reg on add insn.
5353         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
5354
5355 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5356
5357         PR target/89372
5358         * config/i386/sse.md (ssedoublemode): Remove V4HI.
5359         (PMULHRSW): Likewise.
5360         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
5361         TARGET_AVX2.
5362         (ssse3_pmulhrswv4hi3): New expander.
5363
5364 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5365
5366         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
5367         MMX.  Add isa attribute.
5368
5369 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
5370
5371         PR rtl-optimization/66152
5372         * builtins.h (c_readstr): Declare.
5373         * builtins.c (c_readstr): Remove forward declaration.  Add
5374         null_terminated_p argument, if false, read all bytes from the
5375         string instead of stopping after '\0'.
5376         * expr.c (string_cst_read_str): New function.
5377         (store_expr): Use string_cst_read_str instead of
5378         builtin_strncpy_read_str.  Try to store by pieces the whole
5379         exp_len first, and only if that fails, split it up into
5380         store by pieces followed by clear_storage.  Formatting fix.
5381
5382         * config/i386/i386.md (*movqi_internal): Remove static from
5383         buf variable.  Use output_asm_insn (buf, operands); return "";
5384         instead of return buf;.
5385         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
5386         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
5387         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
5388
5389 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5390
5391         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
5392         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
5393         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
5394         (CC1_SPEC): Likewise.
5395         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
5396
5397 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5398
5399         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
5400         the base address on 64-bit strict-alignment platforms.
5401
5402 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5403
5404         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
5405
5406 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5407
5408         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
5409
5410 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
5411
5412         PR rtl-optimization/88308
5413         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
5414         on copied instruction.
5415
5416 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5417
5418         * final.c (insn_current_reference_address): Replace test on JUMP_P
5419         with test on jump_to_label_p.
5420         * config/visium/visium-passes.def: New file.
5421         * config/visium/t-visium (PASSES_EXTRA): Define.
5422         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
5423         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
5424         (TRAMPOLINE_ALIGNMENT): Define.
5425         * config/visium/visium.c (visium_option_override): Do not register
5426         the machine-specific reorg pass here.
5427         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
5428         for the GR6.
5429         (output_branch): Adjust threshold for long branch instruction.
5430         * config/visium/visium.md (cpu): Move around.
5431         (length): Adjust for the GR6.
5432
5433 2019-02-15  Richard Biener  <rguenther@suse.de>
5434             Jakub Jelinek  <jakub@redhat.com>
5435
5436         PR tree-optimization/89278
5437         * tree-loop-distribution.c: Include tree-eh.h.
5438         (generate_memset_builtin, generate_memcpy_builtin): Call
5439         rewrite_to_non_trapping_overflow on builtin->size before passing it
5440         to force_gimple_operand_gsi.
5441
5442 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
5443
5444         PR other/89342
5445         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
5446         optimize_debug.
5447         * opth-gen.awk: Likewise.
5448
5449 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5450
5451         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
5452         Enable MMX, SSE and SSE2 by default.
5453         * config/i386/i386.c (ix86_option_override_internal): Do not
5454         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
5455
5456 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
5457
5458         PR rtl-optimization/89354
5459         * combine.c (make_extraction): Punt if extraction_mode is narrower
5460         than len bits.
5461
5462 2019-02-14  Maya Rashish  <coypu@sdf.org>
5463
5464         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
5465         * config/netbsd-d.c: New file.
5466         * config/t-netbsd: Add netbsd-d.o
5467
5468 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
5469
5470         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
5471         affects_type_identity to true for aarch64_vector_pcs.
5472         (aarch64_comp_type_attributes): New function.
5473         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
5474
5475 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
5476
5477         PR target/88850
5478         * config/arm/iterators.md (ANY64): Add V4HF.
5479
5480 2019-02-14  Martin Liska  <mliska@suse.cz>
5481
5482         PR rtl-optimization/89242
5483         * dce.c (delete_unmarked_insns): Call free_dominance_info we
5484         process a transformation.
5485
5486 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
5487
5488         PR tree-optimization/89314
5489         * fold-const.c (fold_binary_loc): Cast strlen argument to
5490         const char * before dereferencing it.  Formatting fixes.
5491
5492         PR middle-end/89284
5493         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
5494
5495 2019-02-13  Ian Lance Taylor  <iant@golang.org>
5496
5497         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
5498         and set current index for other optimizations.
5499
5500 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
5501
5502         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
5503         nonimmediate_operand as operand 2 predicate.
5504         (vec_set<VF2_512_256:mode>_0): Ditto.
5505         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
5506         (*vec_concatv2si): Remove alternative 2.
5507         (*vec_concatv4si_0): Use vm constraint for alternative 0.
5508         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
5509         (vec_concatv2di): Split alternatives 4,5,6 to ...
5510         (*vec_concatv2di_0) ... new pattern.
5511
5512 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
5513
5514         PR target/89190
5515         * config/arm/arm.c (ldm_stm_operation_p) Set
5516         addr_reg_in_reglist correctly for first register.
5517         (load_multiple_sequence): Remove dead base check.
5518         (gen_ldm_seq): Correctly set write_back for Thumb-1.
5519
5520 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
5521
5522         PR target/88847
5523         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
5524         Expose as @aarch64_pred_mov.
5525         * config/aarch64/aarch64.c (aarch64_classify_address):
5526         Use expand_insn which legitimizes operands.
5527
5528 2019-02-13  Martin Liska  <mliska@suse.cz>
5529
5530         * builtins.h (expand_builtin_with_bounds): Remove declaration.
5531         * calls.c (struct arg_data): Remove special_slot, pointer_arg
5532         and pointer_offset fields.
5533         (initialize_argument_information): Remove usage of dead
5534         fields.
5535         * cgraph.h (struct cgraph_thunk_info): Remove
5536         add_pointer_bounds_args.
5537         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
5538         fields.
5539         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
5540         fields.
5541         * config/i386/i386.c (ix86_function_arg_advance): Remove
5542         unrelated comment.
5543         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
5544         (def_builtin):  Remove usage of dead
5545         fields.
5546         (ix86_add_new_builtins): Likewise.
5547         * ipa-fnsummary.c (compute_fn_summary): Likewise.
5548         * ipa-icf.c (sem_function::equals_wpa): Likewise.
5549         (sem_function::init): Likewise.
5550         (sem_variable::merge): Likewise.
5551         * ipa-visibility.c (function_and_variable_visibility): Likewise.
5552         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
5553         * lto-cgraph.c (lto_output_node): Likewise.
5554         (lto_output_varpool_node): Likewise.
5555         (input_node): Likewise.
5556         (input_varpool_node): Likewise.
5557         * lto-streamer-out.c (lto_output): Likewise.
5558         * tree-inline.c (expand_call_inline): Remove usage of
5559         assign_stmts.
5560         * tree-inline.h (struct copy_body_data): Likewise.
5561         * varpool.c (varpool_node::dump): Likewise.
5562
5563 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
5564
5565         PR middle-end/89303
5566         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
5567         into pt->vars_contains_escaped_heap instead of setting
5568         pt->vars_contains_escaped_heap to it.
5569
5570         PR middle-end/89281
5571         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
5572         INTVAL (size), compare it to GET_MODE_MASK instead of
5573         1 << GET_MODE_BITSIZE.
5574
5575         PR target/89290
5576         * config/i386/predicates.md (x86_64_immediate_operand): Allow
5577         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
5578         -mcmodel=large.
5579
5580 2019-02-13  Martin Liska  <mliska@suse.cz>
5581
5582         PR lto/88858
5583         * cfgrtl.c (remove_barriers_from_footer): New function.
5584         (try_redirect_by_replacing_jump): Use it.
5585         (cfg_layout_redirect_edge_and_branch): Likewise.
5586
5587 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
5588
5589         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
5590         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
5591         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
5592         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
5593         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
5594         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
5595         New BU_CRYPTO_2.
5596         * config/rs6000/rs6000.c (builtin_function_type)
5597         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
5598         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
5599         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
5600         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
5601         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
5602
5603 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
5604
5605         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
5606         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
5607
5608 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5609
5610         PR target/89229
5611         * config/i386/i386.md (*movoi_internal_avx): Revert revision
5612         268678 and revision 268657.
5613         (*movti_internal): Likewise.
5614
5615 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
5616
5617         PR target/89233
5618         * config/s390/s390.c (s390_decompose_address): Update comment.
5619         (s390_check_qrst_address): Reject invalid address forms after
5620         LRA.
5621
5622 2019-02-12  Martin Liska  <mliska@suse.cz>
5623
5624         PR lto/88876
5625         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
5626         we need default values of funct_state for a function that
5627         is not optimized.
5628
5629 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5630
5631         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
5632         the object to pick the size of stores on strict-alignment platforms.
5633
5634         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
5635         (*movdi_insn_sp32): Likewise.
5636         (*movdi_insn_sp64): Likewise.
5637
5638 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
5639
5640         PR lto/88677
5641         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
5642         types that needs constructiong.
5643         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
5644
5645 2019-02-12  Richard Biener  <rguenther@suse.de>
5646
5647         PR tree-optimization/89253
5648         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
5649         duplicate the loop.
5650
5651 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
5652
5653         PR lto/88147
5654         * input.c (selftest::test_line_offset_overflow): New selftest.
5655         (selftest::input_c_tests): Call it.
5656
5657 2019-02-11  Martin Sebor  <msebor@redhat.com>
5658
5659         PR tree-optimization/88771
5660         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
5661         when -Wstringop-overflow is set.
5662         (builtin_memref::builtin_memref): Adjust excessive upper bound
5663         only when lower bound is not excessive.
5664         (maybe_diag_overlap): Detect and diagnose excessive bounds via
5665         -Wstringop-ovefflow.
5666         (maybe_diag_offset_bounds): Rename...
5667         (maybe_diag_access_bounds): ...to this.
5668         (check_bounds_or_overlap): Adjust for name change above.
5669
5670 2019-02-11  Martin Sebor  <msebor@redhat.com>
5671
5672         PR c++/87996
5673         * builtins.c (max_object_size): Move from here...
5674         * builtins.h (max_object_size): ...and here...
5675         * tree.c (max_object_size): ...to here...
5676         * tree.h (max_object_size): ...and here.
5677
5678 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
5679
5680         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
5681         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
5682         for correct semantics.
5683
5684 2019-02-11  Alan Modra  <amodra@gmail.com>
5685
5686         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
5687         -mlongcall and -mpltseq.
5688         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
5689         (RS/6000 and PowerPC Options <-mpltseq>): Document.
5690         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
5691         * config/rs6000/sysv4.opt (mpltseq): New option.
5692         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
5693         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
5694         support is lacking.  Don't allow -mpltseq with -mbss-plt.
5695         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
5696         -mpltseq given for ELFv1.
5697         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
5698         Only use UNSPEC_PLTSEQ for inline PLT calls.
5699         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
5700         use UNSPEC_PLTSEQ for inline PLT calls.
5701         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
5702         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
5703         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
5704         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
5705         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
5706         (pltseq_mtctr_<mode>): Likewise.
5707
5708 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5709
5710         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
5711         Solaris ld.
5712         * configure: Regenerate.
5713
5714 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
5715
5716         PR bootstrap/88714
5717         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
5718         instead of r.
5719
5720 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
5721
5722         * function.c (assign_parm_setup_block): Use the stored
5723         size, not the passed size, when allocating stack-space,
5724         also for a parameter with alignment larger than
5725         MAX_SUPPORTED_STACK_ALIGNMENT.
5726
5727 2019-02-11  Martin Liska  <mliska@suse.cz>
5728
5729         PR ipa/89009
5730         * ipa-cp.c (build_toporder_info): Remove usage of a param.
5731         * ipa-inline.c (inline_small_functions): Likewise.
5732         * ipa-pure-const.c (propagate_pure_const): Likewise.
5733         (propagate_nothrow): Likewise.
5734         * ipa-reference.c (propagate): Likewise.
5735         * ipa-utils.c (struct searchc_env): Remove unused field.
5736         (searchc): Always search across AVAIL_INTERPOSABLE.
5737         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
5738         the only called IPA pure const can properly not propagate
5739         across interposable boundary.
5740         * ipa-utils.h (ipa_reduced_postorder): Remove param.
5741
5742 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
5743
5744         * config/nds32/nds32.md (call_internal, call_value_internal,
5745         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
5746
5747 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
5748
5749         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
5750         typo.
5751
5752 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5753
5754         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
5755         in comments
5756
5757 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
5758
5759         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
5760
5761 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
5762
5763         PR tree-optimization/89268
5764         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
5765         if preds is non-NULL.
5766
5767 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
5768
5769         PR lto/89272
5770         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
5771         polymorphic types.
5772
5773 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
5774
5775         * config/nds32/nds32.md (trap): New pattern.
5776
5777 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
5778
5779         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
5780         dwarf span.
5781
5782 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
5783
5784         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
5785         to split POST_INC.
5786
5787 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
5788
5789         * ipa-visibility.c (localize_node): Also do not localize
5790         LDPR_PREVAILING_DEF_IRONLY_EXP.
5791
5792 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
5793
5794         PR lto/87957
5795         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
5796         instead of type_with_linkage.
5797
5798 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
5799
5800         PR ipa/88755
5801         * params.def (uninlined-function-insns, uninlined-function-time,
5802         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
5803         bound so we don't get overflows.
5804
5805 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
5806
5807         * config/rs6000/rs6000-string.c (expand_compare_loop,
5808         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
5809         memcmp/strncmp.
5810
5811 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
5812
5813         PR middle-end/89246
5814         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
5815         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
5816         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
5817
5818 2019-02-09  Alan Modra  <amodra@gmail.com>
5819
5820         PR target/88343
5821         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
5822         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
5823         setup.
5824
5825 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
5826
5827         PR middle-end/88560
5828         * lra-constraints.c (process_alt_operands): Don't increase reject
5829         for memory when offset memory is required.
5830
5831 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
5832
5833         * config/s390/vector.md: Implement vector copysign.
5834
5835 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
5836
5837         * expr.c (expand_constructor): Correct indentations.
5838
5839 2019-02-08  Richard Biener  <rguenther@suse.de>
5840
5841         PR tree-optimization/89247
5842         * tree-if-conv.c: Include tree-cfgcleanup.h.
5843         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
5844         (tree_if_conversion): Pass through predicate vector.
5845         (pass_if_conversion::execute): Do CFG cleanup and SSA update
5846         inline, see if any if-converted loops we refrece in
5847         LOOP_VECTORIZED calls vanished and fixup.
5848         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
5849
5850 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
5851
5852         * config/s390/constraints.md (jdd): New constraint.
5853
5854 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
5855
5856         PR target/89229
5857         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
5858         upper 16 vector registers without TARGET_AVX512VL.
5859         (*movti_internal): Likewise.
5860
5861 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
5862
5863         PR rtl-optimization/89234
5864         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
5865         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
5866         (copy_reg_eh_region_note_backward): Likewise.
5867
5868 2019-02-08  Richard Biener  <rguenther@suse.de>
5869
5870         PR middle-end/89223
5871         * tree-data-ref.c (initialize_matrix_A): Fail if constant
5872         doesn't fit in HWI.
5873         (analyze_subscript_affine_affine): Handle failure from
5874         initialize_matrix_A.
5875
5876 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
5877
5878         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
5879         cfun everywhere.
5880
5881 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
5882
5883         PR tree-optimization/86637
5884         PR tree-optimization/89235
5885         * tree-vect-loop.c (optimize_mask_stores): Add an
5886         auto_purge_vect_location sentinel to ensure that vect_location is
5887         purged on exit.
5888         * tree-vectorizer.c
5889         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
5890         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
5891         to ensure that vect_location is purged on exit.
5892         (pass_slp_vectorize::execute): Likewise, replacing the manual
5893         reset.
5894         * tree-vectorizer.h (class auto_purge_vect_location): New class.
5895
5896 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5897
5898         * config/aarch64/iterators.md (max_opp): New code_attr.
5899         (USMAX): New code iterator.
5900         * config/aarch64/predicates.md (aarch64_smin): New predicate.
5901         (aarch64_smax): Likewise.
5902         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
5903         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
5904         MINUS (MAX MIN).
5905
5906 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
5907
5908         PR target/89229
5909         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
5910         for TARGET_AVX512VL.
5911         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
5912
5913 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
5914
5915         * config/s390/s390-builtin-types.def: Add new types.
5916         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
5917         (s390_vec_xlw4): Make the memory operand into a const pointer.
5918         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
5919         float.
5920         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
5921         a new vector type with the alignment of the scalar memory operand.
5922
5923 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
5924             Jakub Jelinek  <jakub@redhat.com>
5925
5926         PR bootstrap/88714
5927         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
5928         arm_count_ldrdstrd_insns): New declarations.
5929         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
5930         MINUS.
5931         (valid_operands_ldrd_strd): New function.
5932         (arm_count_ldrdstrd_insns): New function.
5933         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
5934         sets instead of single DImode set and define new insns to match this.
5935
5936 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
5937
5938         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
5939         Make it a C initializer.
5940
5941 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
5942
5943         PR/target 88850
5944         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
5945
5946 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5947
5948         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
5949         Use neon_dot<q> for type.
5950         (neon_<sup>dot_lane<vsi2qi>): Likewise.
5951
5952 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5953
5954         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
5955         Use neon_dot<q> for type.
5956         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
5957         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
5958
5959 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
5960
5961         PR rtl-optimization/89225
5962         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
5963         sizes check.
5964
5965 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
5966
5967         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
5968         after restoring registers saved to allocate the frame on Windows.
5969
5970 2019-02-06  Richard Biener  <rguenther@suse.de>
5971
5972         PR tree-optimization/89182
5973         * graphite.h (cached_scalar_evolution_in_region): Declare.
5974         * graphite.c (struct seir_cache_key): New.
5975         (struct sese_scev_hash): Likewise.
5976         (seir_cache): New global.
5977         (cached_scalar_evolution_in_region): New function.
5978         (graphite_transform_loops): Allocate and release seir_cache.
5979         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
5980         cached_scalar_evolution_in_region.
5981         * graphite-scop-detection.c (scop_detection::can_represent_loop):
5982         Simplify.
5983         (scop_detection::graphite_can_represent_expr: Use
5984         cached_scalar_evolution_in_region.
5985         (scop_detection::stmt_simple_for_scop_p): Likewise.
5986         (find_params_in_bb): Likewise.
5987         (gather_bbs::before_dom_children): Likewise.
5988         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
5989         (add_loop_constraints): Likewise.
5990
5991 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
5992
5993         PR middle-end/89210
5994         * fold-const-call.c (fold_const_vec_convert): Pass true as last
5995         operand to new_unary_operation only if both element types are integral
5996         and it isn't a widening conversion.  Return NULL_TREE if
5997         new_unary_operation failed.
5998
5999 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6000
6001         PR target/88856
6002         * config/s390/s390.md: Remove load and test FP splitter.
6003
6004 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6005
6006         PR target/89112
6007         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6008         expand_compare_loop, expand_block_compare_gpr,
6009         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6010         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6011         #include "profile-count.h" and "predict.h" for types and functions
6012         needed to work with REG_BR_PROB notes.
6013
6014 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6015
6016         PR target/89112
6017         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6018         for the long branch case.
6019
6020 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6021
6022         PR target/89188
6023         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6024         can throw, non-call exceptions are enabled and we can't delete
6025         dead exceptions or alter cfg.  Set must_clean if
6026         delete_insn_and_edges returns true, don't set it blindly for calls.
6027         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6028
6029         PR rtl-optimization/89195
6030         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6031         of the original MEM.
6032
6033 2019-02-05  Martin Liska  <mliska@suse.cz>
6034
6035         PR gcov-profile/89000
6036         * gcov.c (function_summary): Remove argument.
6037         (file_summary): New function.
6038         (print_usage): Replace tabs with spaces.
6039         (generate_results): Use new function file_summary.
6040
6041 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6042
6043         PR target/89186
6044         * optabs.c (prepare_cmp_insn): Pass x and y to
6045         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6046
6047 2019-02-05  Richard Biener  <rguenther@suse.de>
6048
6049         PR middle-end/89150
6050         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6051         (struct bitmap_element): Drop chain_prev so we properly recurse on
6052         the prev member, supporting tree views.
6053         (struct bitmap_head): GTY skip the obstack member.
6054
6055 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6056
6057         PR c/88698
6058         * doc/extend.texi (Vector Extensions): Add an example of using vector
6059         types together with x86 intrinsics.
6060
6061 2019-02-04  Alan Modra  <amodra@gmail.com>
6062
6063         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6064         str[] size to 160, and comment.
6065
6066 2019-02-04  Alan Modra  <amodra@gmail.com>
6067
6068         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6069         (rs6000_pltseq_template): Guard output of TLS markers with
6070         TARGET_TLS_MARKERS.
6071         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6072         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
6073         to use inline PLT sequences.
6074         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6075         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6076         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
6077
6078 2019-02-04  Martin Liska  <mliska@suse.cz>
6079
6080         PR ipa/88985
6081         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
6082         out when ipa_fn_summaries does not contain entry for callee.
6083
6084 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
6085
6086         * config/sparc/sparc.h: Remove superfluous blank lines.
6087         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
6088         (got_register_rtx): ...this.
6089         (sparc_got): Adjust to above renaming.
6090         (sparc_tls_got): Likewise.
6091         (sparc_delegitimize_address): Likewise.
6092         (sparc_output_mi_thunk): Likewise.
6093         (sparc_init_pic_reg): Likewise.
6094         (save_local_or_in_reg_p): Fix test on the GOT register.
6095         (USE_HIDDEN_LINKONCE): Move around.
6096         (get_pc_thunk_name): Likewise.
6097         (gen_load_pcrel_sym): Likewise.
6098         (load_got_register): Likewise.
6099
6100 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
6101
6102         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
6103         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
6104
6105 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6106
6107         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
6108         into consideration.
6109
6110 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6111
6112         * config.gcc (with_nds32_lib, glibc):
6113         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
6114         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
6115         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
6116
6117 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
6118
6119         PR target/89071
6120         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
6121         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
6122         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
6123         (*rcpsf2_sse): Ditto.
6124         (*rsqrtsf2_sse): Ditto.
6125         (sse4_1_round<mode<2): Ditto.
6126
6127 2019-02-03  Richard Biener  <rguenther@suse.de>
6128
6129         PR debug/87295
6130         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
6131         orig.
6132
6133 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
6134
6135         PR middle-end/87887
6136         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6137         Punt with warning on aggregate return or argument types.  Ignore
6138         type/mode checking for uniform arguments.
6139
6140 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6141
6142         * combine.c (try_combine): Do not print "Can't combine" messages unless
6143         printing failed combination attempts.
6144
6145 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6146
6147         PR hsa/87863
6148         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
6149         segment and global segment variables before making them static.
6150
6151 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6152
6153         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
6154         missed optimization dump with dump_enabled_p.
6155
6156 2019-02-01  Richard Biener  <rguenther@suse.de>
6157
6158         PR middle-end/88597
6159         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
6160         the instantiate cache.
6161         (instantiate_scev_binary): Elide second operand procesing
6162         if equal to the first.
6163         * tree-chrec.c (chrec_contains_symbols): Add visited set.
6164         (chrec_contains_undetermined): Likewise.
6165         (tree_contains_chrecs): Likewise.
6166
6167 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
6168
6169         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
6170
6171 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
6172
6173         PR tree-optimization/89143
6174         * wide-int-range.h (wide_int_range_absu): Declare.
6175         * wide-int-range.cc (wide_int_range_absu): New function.
6176         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
6177
6178         PR tree-optimization/88107
6179         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
6180         instead of assertion that eh_region_outermost is non-NULL, if it
6181         is NULL, set *ALL to true and return NULL.
6182         (move_sese_region_to_fn): Adjust caller, if all is set, call
6183         duplicate_eh_regions with NULL region.
6184
6185 2019-02-01  Richard Biener  <rguenth@suse.de>
6186
6187         PR rtl-optimization/88593
6188         * mode-switching.c (optimize_mode_switching): Free dominators before
6189         calling cleanup_cfg.
6190
6191 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6192
6193         PR tree-optimization/88932
6194         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
6195
6196 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6197
6198         PR middle-end/89137
6199         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
6200         bogus clang warning.
6201
6202 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
6203
6204         PR target/89071
6205         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
6206         alternative to avoid partial SSE register stall for TARGET_AVX.
6207         (truncdfsf2): Ditto.
6208         (sse4_1_round<mode>2): Ditto.
6209
6210 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6211
6212         PR tree-optimization/89008
6213         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
6214         process anything of the form X * 0.
6215
6216 2019-01-31  Richard Biener  <rguenther@suse.de>
6217
6218         PR tree-optimization/89135
6219         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
6220         with abnormal preds.
6221
6222 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6223
6224         PR sanitizer/89124
6225         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
6226         always_inline callees into no_sanitize_address callers.
6227
6228 2019-01-31  Richard Biener  <rguenther@suse.de>
6229
6230         PR rtl-optimization/89115
6231         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
6232
6233 2019-01-30  Martin Sebor  <msebor@redhat.com>
6234
6235         PR other/89106
6236         * doc/extend.texi (cast to a union): Correct and expand.
6237
6238 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
6239
6240         PR rtl-optimization/87246
6241         * lra-constraints.c (simplify_operand_subreg): Reload memory
6242         in subreg if the address became invalid.
6243
6244 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
6245
6246         PR target/87064
6247         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
6248         Disable for little-endian.
6249
6250 2019-01-30  Richard Biener  <rguenther@suse.de>
6251
6252         PR rtl-optimization/89115
6253         * opts.c (default_options_optimization): Reduce
6254         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
6255         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
6256         to the default.
6257
6258 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6259
6260         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
6261         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
6262         type of vector element when vec_extract is implemented by direct
6263         move.
6264
6265 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
6266
6267         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
6268
6269 2019-01-30  Richard Biener  <rguenther@suse.de>
6270
6271         PR tree-optimization/89111
6272         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
6273         canonicalization to appropriately sized access types.
6274
6275 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
6276
6277         PR c++/89105
6278         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
6279         for arguments to functions that are TU-local and shouldn't be
6280         referenced by assembly.
6281
6282 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
6283
6284         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
6285         after '='.
6286
6287 2019-01-29  Martin Sebor  <msebor@redhat.com>
6288
6289         PR c/88956
6290         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
6291
6292 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
6293
6294         PR c++/66676
6295         PR ipa/89104
6296         * omp-simd-clone.c (simd_clone_clauses_extract)
6297         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
6298         OMP_CLAUSE_ALIGNED_ALIGNMENT.
6299
6300 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
6301
6302         * config.gcc: Force .init_array for ARC.
6303
6304 2019-01-29  Richard Biener  <rguenther@suse.de>
6305
6306         PR debug/87295
6307         * dwarf2out.c (collect_skeleton_dies): New helper.
6308         (copy_decls_for_unworthy_types): Call it.
6309         (build_abbrev_table): Assert we do not try to replace
6310         DW_AT_signature refs with local refs.
6311
6312 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6313
6314         PR middle-end/89002
6315         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
6316         for lastprivate/linear IV, push gimplify context around gimplify_assign
6317         and, if it needed any temporaries, pop it into a gimple bind around the
6318         sequence.
6319
6320 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6321
6322         * common.opt (-Wattribute-alias): Remove "no-" from name.
6323         Make -Wattribute-alias command line option and
6324         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
6325
6326 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6327
6328         PR target/89073
6329         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
6330         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
6331         x86 ISA options.
6332         (bmi2): Add missing @opindex.
6333         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
6334         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
6335         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
6336         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
6337         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
6338         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
6339         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
6340         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
6341         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
6342         xsavec, xsaveopt and xsaves options.
6343
6344 2019-01-28  Richard Biener  <rguenther@suse.de>
6345
6346         PR debug/89076
6347         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
6348         support removal.
6349
6350 2019-01-28  Richard Biener  <rguenther@suse.de>
6351
6352         PR tree-optimization/88739
6353         * tree-cfg.c (verify_types_in_gimple_reference): Verify
6354         BIT_FIELD_REFs only are applied to mode-precision operands
6355         when they are integral.
6356         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
6357         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
6358         BIT_FIELD_REFs of non-mode-precision integral operands.
6359
6360 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
6361
6362         PR target/87214
6363         * config/i386/sse.md
6364         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
6365         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
6366         first constants in pairs are multiples of 2.  Formatting fixes.
6367         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
6368         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
6369         first constants in each quadruple are multiples of 4.  Formatting fixes.
6370
6371 2019-01-26  Martin Jambor  <mjambor@suse.cz>
6372
6373         PR ipa/88933
6374         * tree-inline.c: Include tree-cfgcleanup.h.
6375         (delete_unreachable_blocks_update_callgraph): Move...
6376         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
6377         ...here, make externally visible, make second argument bool, adjust
6378         all callers.
6379         * tree-cfgcleanup.c: Include cgraph.h.
6380         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
6381         Declare.
6382         * ipa-prop.c: Include tree-cfgcleanup.h.
6383         (ipcp_transform_function): Call
6384         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
6385
6386 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
6387
6388         PR rtl-optimization/88846
6389         * ira.c (process_set_for_memref_referenced_p): New.
6390         (memref_referenced_p): Add new param.  Use
6391         process_set_for_memref_referenced_p.  Add new switch cases.
6392         (memref_used_between_p): Pass new arg to memref_referenced_p.
6393
6394 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
6395
6396         PR target/88469
6397         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
6398         argument ABI_BREAK.  Set to true if the calculated alignment has
6399         changed in gcc-9.  Check bit-fields for their base type alignment.
6400         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
6401         (aarch64_function_arg_boundary): Likewise.
6402         (aarch64_gimplify_va_arg_expr): Likewise.
6403
6404 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6405
6406         PR middle-end/89037
6407         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
6408         instead of accessing TREE_INT_CST_ELT directly.
6409
6410 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
6411
6412         * doc/sourcebuild.texi (Environment attributes): Add fenv and
6413         fenv_exceptions description.
6414
6415 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
6416
6417         PR rtl-optimization/87763
6418         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
6419         Allow SUBREG when matching CC_NZmode compare.
6420
6421 2019-01-25  Richard Biener  <rguenther@suse.de>
6422
6423         PR tree-optimization/89049
6424         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
6425         Look at the pattern stmt to determine if the stmt is vectorized.
6426
6427 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6428
6429         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
6430         (pred_mov<mode>): Handle all-register forms using both a new
6431         alternative and a split.
6432
6433 2019-01-25  Richard Biener  <rguenther@suse.de>
6434
6435         PR tree-optimization/86865
6436         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6437         Reject non-do-while loops.
6438
6439 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
6440
6441         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
6442         * config/rs6000/constraints.md (Q constraint): Use REG_P.
6443         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
6444         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6445         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
6446         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6447         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
6448         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
6449         vlogical_operand, gpc_reg_operand, int_reg_operand,
6450         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
6451         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
6452         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
6453         (save_world_operation, restore_world_operation, lmw_operation,
6454         stmw_operation): Use MEM_P and REG_P.
6455         (tie_operand): Use MEM_P.
6456         (vrsave_operation, crsave_operation): Use REG_P.
6457         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
6458         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
6459         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
6460         (call_operand): Use HARD_REGISTER_P.
6461         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
6462         Use CONST_INT_P.
6463         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
6464         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
6465         quad_aligned_load_p, replace_swapped_aligned_store,
6466         recombine_lvx_pattern, replace_swapped_aligned_load,
6467         recombine_stvx_pattern): Use MEM_P.
6468         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
6469         Use MEM_P and SYMBOL_REF_P.
6470         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
6471         (insn_is_swappable_p): Use REG_P and MEM_P.
6472         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
6473         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
6474         Use CONST_INT_P.
6475         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
6476         Use CONST_DOUBLE_P.
6477         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
6478         CONST_WIDE_INT_P.
6479         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
6480         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
6481         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
6482         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
6483         reg_or_subregno:
6484         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6485         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
6486         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
6487         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
6488         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
6489         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
6490         rs6000_split_logical_di): Use CONST_INT_P.
6491         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
6492         REG_P and SYMBOL_REF_P.
6493         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
6494         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
6495         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
6496         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
6497         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
6498         (small_data_operand, print_operand_address): Use CONST_INT_P and
6499         SYMBOL_REF_P.
6500         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
6501         (rs6000_init_hard_regno_mode_ok, direct_move_p):
6502         Use HARD_REGISTER_NUM_P.
6503         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
6504         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
6505         SUBREG_P and SYMBOL_REF_P.
6506         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
6507         and HARD_REGISTER_NUM_P.
6508         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
6509         reg_or_subregno.
6510         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
6511         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
6512         MEM_P and REG_P.
6513         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
6514         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
6515         find_addr_reg): Use REG_P.
6516         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
6517         (rs6000_emit_le_vsx_move): Use SUBREG_P.
6518         (offsettable_ok_by_alignment, constant_pool_expr_p,
6519         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
6520         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
6521         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
6522         rs6000_assemble_integer, create_TOC_reference,
6523         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
6524         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
6525         (rs6000_split_vec_extract_var): Use reg_or_subregno.
6526         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6527         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6528         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6529         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6530         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
6531         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
6532         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
6533         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
6534         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
6535         and cbranch<mode>4): Use CONST_INT_P.
6536         (multiple define_splits): Use REG_P and SUBREG_P.
6537         (define_expands call, call_value): Use MEM_P.
6538         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
6539         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
6540         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
6541         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
6542         and HARD_REGISTER_NUM_P.
6543         (multiple define_splits): Use HARD_REGISTER_NUM_P.
6544
6545 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
6546
6547         PR rtl-optimization/88948
6548         * rtl.h (prepare_copy_insn): New prototype.
6549         * gcse.c (prepare_copy_insn): New function, split out from
6550         process_insert_insn.
6551         (process_insert_insn): Use prepare_copy_insn.
6552         * store-motion.c (replace_store_insn): Use prepare_copy_insn
6553         instead of gen_move_insn.
6554
6555 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
6556
6557         PR debug/89006
6558         * config/i386/i386.c (ix86_pic_register_p): Return true for
6559         UNSPEC_SET_GOT too.
6560
6561         PR tree-optimization/88964
6562         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
6563         punt if HONOR_SNANS (chrec).
6564
6565         PR middle-end/89015
6566         * tree-nested.c (convert_nonlocal_reference_stmt,
6567         convert_local_reference_stmt, convert_tramp_reference_stmt,
6568         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
6569         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
6570         or GIMPLE_OMP_TASK.
6571
6572         PR tree-optimization/89027
6573         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
6574         for "omp simd array" variables.
6575
6576 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
6577
6578         PR target/88469
6579         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
6580         force the alignment of m_val.
6581
6582 2019-01-24  Richard Biener  <rguenther@suse.de>
6583
6584         PR lto/87187
6585         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
6586         When in "legacy" debug mode make sure to reset self-origins.
6587
6588 2019-01-24  Martin Liska  <mliska@suse.cz>
6589
6590         PR gcov-profile/88994
6591         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
6592         result will be always smaller or equal to the original.
6593         * gcov.c (mangle_name): Fix else branch where we should
6594         also copy to PTR and shift the pointer.
6595
6596 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6597
6598         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
6599         * vr-values.c (find_case_label_ranges): Fix a comment typo.
6600
6601 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
6602             Steve Ellcey <sellcey@marvell.com>
6603
6604         PR target/85711
6605         * recog.c (address_operand): Return false on wrong mode for address.
6606         (constrain_operands): Check for mode with 'p' constraint.
6607
6608 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
6609
6610         PR target/88998
6611         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
6612         Disparage MMX alternative.
6613         (sse2_cvtpd2pi): Ditto.
6614         (sse2_cvttpd2pi): Ditto.
6615
6616 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
6617
6618         PR driver/89014
6619         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
6620         use-after-free of the result of
6621         aarch64_get_extension_string_for_isa_flags.
6622
6623 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
6624
6625         PR c/44715
6626         * doc/extend.texi: Document break and continue behavior in
6627         statement expressions.
6628
6629 2019-01-23  Richard Biener  <rguenther@suse.de>
6630
6631         PR tree-optimization/89008
6632         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
6633         not leave another stray operand.
6634
6635 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
6636
6637         * BASE-VER: Bump to 9.0.1.
6638
6639 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
6640
6641         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
6642         thunk that returns by reference, use the type of the return object
6643         of the thunk instead of that of the alias to build the dereference.
6644
6645 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
6646
6647         * config/arc/atomic.md: Add operand to DMB instruction.
6648
6649 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
6650
6651         PR tree-optimization/88964
6652         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
6653         build_zero_cst instead of build_int_cst.  Return false for loop
6654         invariants which honor signed zeros.
6655
6656 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
6657
6658         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
6659
6660 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
6661
6662         PR target/88965
6663         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
6664         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
6665         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
6666
6667         PR middle-end/88968
6668         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
6669         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
6670
6671         PR target/87064
6672         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
6673         Disable for little endian.
6674
6675 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
6676
6677         PR target/88469
6678         * config/arm/arm.c (arm_needs_double_word_align): Check
6679         DECL_BIT_FIELD_TYPE.
6680
6681 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
6682             H.J. Lu  <hongjiu.lu@intel.com>
6683
6684         PR target/88909
6685         * config/i386/i386-builtin.def: Add mask2 to all builtin
6686         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
6687         SPECIAL_ARGS.
6688         * config/i386/i386.c (BDESC): Add mask2 to the definition.
6689         (BDESC_FIRST): Likewise.
6690         (define_builtin): Add an argument for mask2.  Updated to handle
6691         both ix86_isa_flags and ix86_isa_flags2.
6692         (define_builtin_const): Likewise.
6693         (define_builtin_pure): Likewise.
6694         (define_builtin2): Deleted.
6695         (define_builtin_const2): Likewise.
6696         (builtin_description): Add a member, mask2.
6697         (bdesc_*): Add mask2 to builtin initializations.
6698         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
6699         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
6700         support.
6701         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
6702
6703 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6704
6705         PR target/88954
6706         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
6707         noplt attribute.
6708
6709 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
6710
6711         PR target/88469
6712         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
6713         alignment is dominated by a bitfield with 64-bit aligned base type.
6714         (arm_function_arg): Emit a warning if the alignment has changed since
6715         earlier GCC releases.
6716         (arm_function_arg_boundary): Likewise.
6717         (arm_setup_incoming_varargs): Likewise.
6718
6719 2019-01-22  Richard Biener  <rguenther@suse.de>
6720
6721         PR tree-optimization/88862
6722         * graphite-scop-detection.c
6723         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
6724
6725 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
6726
6727         * doc/extend.tex (AMD GCN Function Attributes): New section.
6728         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
6729         * doc/invoke.texi (AMD GCN Options): New section.
6730         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
6731
6732 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
6733
6734         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
6735         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
6736
6737 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
6738
6739         PR tree-optimization/88044
6740         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
6741         is false in the first iteration, but !every_iteration, return false
6742         instead of true with niter->niter zero.
6743
6744         PR rtl-optimization/88904
6745         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
6746         any nonequal registers before processing BB_END (b).
6747
6748         PR target/88905
6749         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
6750         GET_MODE (op0).
6751         (expand_binop_directly, expand_doubleword_clz,
6752         expand_doubleword_popcount, expand_ctz, expand_ffs,
6753         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
6754
6755         PR rtl-optimization/49429
6756         PR target/49454
6757         PR rtl-optimization/86334
6758         PR target/88906
6759         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
6760         addressable from here...
6761         (emit_block_op_via_libcall): ... to here.
6762
6763 2019-01-22  Richard Biener  <rguenther@suse.de>
6764
6765         * tree-vect-loop.c (vect_analyze_loop_operations): Use
6766         auto_vec for cost vector to fix memleak.
6767         (vectorize_fold_left_reduction): Properly gather SLP defs.
6768         (vectorizable_comparison): Do not swap operands to properly
6769         gather SLP defs.
6770
6771 2019-01-22  Alan Modra  <amodra@gmail.com>
6772
6773         PR target/88614
6774         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
6775         stays a reg.  Allow a const_int.
6776         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
6777         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
6778         (IS_NOMARK_TLSGETADDR): Define.
6779         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
6780         (rs6000_output_tlsargs): New function.
6781         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
6782         __tls_get_addr call takes an arg.
6783         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
6784         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
6785         delete split..
6786         (call_value_nonlocal_sysv): ..or here, delete split.
6787         (tls_gdld_nomark): Delete.
6788         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
6789         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
6790         (call_value_nonlocal_sysv): Likewise.
6791         (call_value_nonlocal_sysv_secure): Likewise.
6792         (call_value_nonlocal_aix): Likewise.
6793         (call_value_indirect_aix): Likewise.
6794         (call_value_indirect_elfv2): Likewise.
6795         (call_value_local32, call_value_local64): Disable for no-mark tls.
6796         (call_value_local_aix): Likewise.
6797
6798 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
6799
6800         PR target/88938
6801         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
6802         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
6803
6804 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
6805
6806         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
6807         string contents as hash_map keys.
6808
6809 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6810
6811         PR c/88928
6812         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
6813         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
6814         instead of TYPE_ALIGN.
6815         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
6816         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
6817         pointer from TYPE_STUB_DECL.
6818
6819 2019-01-21  Richard Biener  <rguenther@suse.de>
6820
6821         PR tree-optimization/88934
6822         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
6823         at the possibly non-constant operand.
6824         (vect_get_constant_vectors): Adjust.
6825
6826 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
6827
6828         PR target/71659
6829         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
6830         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
6831         instead of _X86INTRIN_H_INCLUDED.
6832         * onfig/i386/clwbintrin.h: Likewise.
6833         * config/i386/pkuintrin.h: Likewise.
6834         * config/i386/prfchwintrin.h: Likewise.
6835         * config/i386/rdseedintrin.h: Likewise.
6836         * config/i386/wbnoinvdintrin.h: Likewise.
6837         * config/i386/xsavecintrin.h: Likewise.
6838         * config/i386/xsavesintrin.h: Likewise.
6839         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
6840         * config/i386/xsaveintrin.h: Likewise.
6841         * config/i386/xsaveoptintrin.h: Likewise.
6842         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
6843         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
6844         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
6845         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
6846         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
6847         * config/i386/immintrin.h: Here.
6848
6849 2019-01-20  Martin Jambor  <mjambor@suse.cz>
6850
6851         PR ipa/87615
6852         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
6853         with aa_walk_budget.
6854         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
6855         aa_walk_budget_p parameter.
6856         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
6857         walk.  Updated all callers.
6858         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
6859         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
6860         unmodified_parm.
6861         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
6862         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
6863         and to unmodified_parm.
6864         (phi_result_unknown_predicate): New parameter fbi, removed parameter
6865         info, updated call to will_be_nonconstant_expr_predicate.
6866         (param_change_prob): New parameter fbi, limit AA walking.
6867         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
6868         calls to various above functions.
6869         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
6870         parameter.  Use it to limit AA walking.
6871         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
6872         fbi, limit AA walk.
6873         (detect_type_change): New parameter fbi, pass it on to
6874         detect_type_change_from_memory_writes.
6875         (detect_type_change_ssa): Likewise.
6876         (aa_overwalked): Removed.
6877         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
6878         accordingly, adjust to the neew AA limiting scheme.
6879         (parm_ref_data_preserved_p): Likewise.
6880         (ipa_compute_jump_functions_for_edge): Adjust call to
6881         get_dynamic_type.
6882         (ipa_analyze_call_uses): Likewise.
6883         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
6884         (ipa_analyze_node): Initialize aa_walk_budget.
6885         (ipcp_transform_function): Likewise.
6886         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
6887         to get_dynamic_type.
6888
6889 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
6890
6891         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
6892         outside of #if CHECKING_P code.
6893
6894 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
6895
6896         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
6897         New function, split out from...
6898         (loop_versioning::analyze_stride): ...here.
6899         (loop_versioning::find_per_loop_multiplication): Use gassign.
6900         (loop_versioning::analyze_term_using_scevs): Return a success code.
6901         (loop_versioning::analyze_arbitrary_term): New function.
6902         (loop_versioning::analyze_address_fragment): Use
6903         analyze_arbitrary_term if all else fails.
6904
6905 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
6906
6907         PR target/88892
6908         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
6909         operands.
6910
6911 2019-01-18  Richard Biener  <rguenther@suse.de>
6912
6913         PR tree-optimization/88903
6914         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
6915         scalar stmts a SLP shift amount is composed of when detecting
6916         shifts by scalars.
6917
6918 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
6919
6920         PR target/88799
6921         * config/arm/arm-cpus.in (mp): New feature.
6922         (sec): New feature.
6923         (fgroup ARMv7ve): Add mp and sec features.
6924         (arch armv7-a): Add options to allow mp and sec extensions.
6925         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
6926         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
6927         extenstions to the base architecture.
6928         (cpu cortex-a8): Add sec extension to the base architecture.
6929         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
6930         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
6931         variants down to the base v7-a varaint.
6932         * config/arm/t-multilib (v7_a_arch_variants): New variable.
6933         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
6934         of permitted extensions for -march=armv7-a and for
6935         -mcpu=generic-armv7-a.
6936
6937 2019-01-18  Martin Liska  <mliska@suse.cz>
6938
6939         * params.def: Fix comment.
6940         * tree-profile.c (gimple_init_gcov_profiler): Bump function
6941         name.
6942         (gimple_gen_ic_func_profiler): Likewise.
6943
6944 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6945
6946         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
6947         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
6948         and put in error checks for stack protector guard options.
6949         (aarch64_stack_protect_guard): New.
6950         (TARGET_STACK_PROTECT_GUARD): Define.
6951         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
6952         (reg_stack_protect_address<mode>): New.
6953         (stack_protect_set): Adjust for SSP_GLOBAL.
6954         (stack_protect_test): Likewise.
6955         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
6956         (-mstack-protector-guard): Likewise.
6957         (-mstack-protector-guard-offset): Likewise.
6958
6959 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
6960
6961         PR tree-optimization/86214
6962         * tree-inline.h (struct copy_body_data): Add
6963         add_clobbers_to_eh_landing_pads member.
6964         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
6965         (copy_edges_for_bb): Call it if EH edge destination is <
6966         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
6967         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
6968         if flag_stack_reuse != SR_NONE and clear it afterwards.
6969
6970 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
6971
6972         PR target/85596
6973         * doc/install.texi (with-multilib-list): Document for aarch64.
6974
6975 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
6976
6977         PR target/88734
6978         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
6979         (("..."))) with ("...").
6980
6981 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6982
6983         * doc/extend.texi (Built-in Functions for Memory Model Aware
6984         Atomic Operations): Document atomic fetch and nand.
6985
6986 2019-01-18  Martin Liska  <mliska@suse.cz>
6987             Richard Biener  <rguenther@suse.de>
6988
6989         PR middle-end/88587
6990         * cgraph.h (create_version_clone_with_body): Add new argument
6991         with attributes.
6992         * cgraphclones.c (cgraph_node::create_version_clone): Add
6993         DECL_ATTRIBUTES to a newly created decl.  And call
6994         valid_attribute_p so that proper cl_target_optimization_node
6995         is set for the newly created declaration.
6996         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
6997         for declaration.
6998         (expand_target_clones): Do not call valid_attribute_p, it must
6999         be already done.
7000         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7001         vector types.
7002
7003 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7004
7005         PR target/88734
7006         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7007         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7008         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7009
7010 2019-01-17  Martin Sebor  <msebor@redhat.com>
7011
7012         PR middle-end/88273
7013         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7014         Handle anti-ranges the same as no range at all.
7015
7016 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7017
7018         * config/aarch64/aarch64.c (cgraph.h): New include.
7019         (intl.h): New include.
7020         (supported_simd_type): New function.
7021         (currently_supported_simd_type): Ditto.
7022         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7023         (aarch64_simd_clone_adjust): Ditto.
7024         (aarch64_simd_clone_usable): Ditto.
7025         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7026         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7027         (TARGET_SIMD_CLONE_USABLE): Ditto.
7028         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7029         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7030         call.
7031
7032 2019-01-17  Martin Sebor  <msebor@redhat.com>
7033
7034         PR tree-optimization/88800
7035         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7036         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7037         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7038         redundant argument.  Add new argument and issue diagnostics under
7039         its control.  Detect out-of-bounds access even with warnings
7040         disabled.
7041         (check_bounds_or_overlap): Change return type.  Add argument.
7042         (wrestrict_dom_walker::check_call): Adjust.
7043         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7044         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7045         check_bounds_or_overlap's return value.
7046         (handle_builtin_stxncpy): Same.
7047         (handle_builtin_strcat): Same.
7048
7049 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7050             Kwok Cheung Yeung  <kcy@codesourcery.com>
7051             Julian Brown  <julian@codesourcery.com>
7052             Tom de Vries  <tom@codesourcery.com>
7053
7054         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7055
7056 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7057
7058         * doc/sourcebuild.texi: Document dg-require-effective-target
7059         llvm_binutils and offload_gcn.
7060
7061 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7062             Kwok Cheung Yeung  <kcy@codesourcery.com>
7063             Julian Brown  <julian@codesourcery.com>
7064             Tom de Vries  <tom@codesourcery.com>
7065
7066         * doc/sourcebuild.texi: Document dg-required-effective-target
7067         exceptions.
7068
7069 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7070             Kwok Cheung Yeung  <kcy@codesourcery.com>
7071             Julian Brown  <julian@codesourcery.com>
7072             Tom de Vries  <tom@codesourcery.com>
7073             Jan Hubicka  <hubicka@ucw.cz>
7074             Martin Jambor  <mjambor@suse.cz>
7075
7076         * config.gcc: Add amdgcn*-*-amdhsa configuration.
7077         * configure.ac: Check for dlopen.
7078         * configure: Regenerate.
7079
7080 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7081             Kwok Cheung Yeung  <kcy@codesourcery.com>
7082             Julian Brown  <julian@codesourcery.com>
7083             Tom de Vries  <tom@codesourcery.com>
7084             Jan Hubicka  <hubicka@ucw.cz>
7085             Martin Jambor  <mjambor@suse.cz>
7086
7087         * common/config/gcn/gcn-common.c: New file.
7088         * config/gcn/driver-gcn.c: New file.
7089         * config/gcn/gcn-builtins.def: New file.
7090         * config/gcn/gcn-hsa.h: New file.
7091         * config/gcn/gcn-modes.def: New file.
7092         * config/gcn/gcn-opts.h: New file.
7093         * config/gcn/gcn-passes.def: New file.
7094         * config/gcn/gcn-protos.h: New file.
7095         * config/gcn/gcn-run.c: New file.
7096         * config/gcn/gcn-tree.c: New file.
7097         * config/gcn/gcn.c: New file.
7098         * config/gcn/gcn.h: New file.
7099         * config/gcn/gcn.opt: New file.
7100         * config/gcn/t-gcn-hsa: New file.
7101
7102 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7103             Kwok Cheung Yeung  <kcy@codesourcery.com>
7104             Julian Brown  <julian@codesourcery.com>
7105             Tom de Vries  <tom@codesourcery.com>
7106             Jan Hubicka  <hubicka@ucw.cz>
7107             Martin Jambor  <mjambor@suse.cz>
7108
7109         * config/gcn/constraints.md: New file.
7110         * config/gcn/gcn-valu.md: New file.
7111         * config/gcn/gcn.md: New file.
7112         * config/gcn/predicates.md: New file.
7113
7114 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7115
7116         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
7117         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
7118         (stmt_uses_0_or_null_in_undefined_way): Likewise.
7119         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
7120
7121 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
7122
7123         PR target/88851
7124         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
7125         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
7126         it and document registers.
7127
7128 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7129
7130         * config/aarch64/aarch64.c (ares_tunings): Define.
7131         * config/aarch64/aarch64-cores.def (ares): Use the above.
7132
7133 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7134
7135         PR target/88794
7136         Revert:
7137         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
7138
7139         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
7140         (_mm512_fixupimm_round_pd): Update parameters and builtin.
7141         (_mm512_maskz_fixupimm_round_pd): Ditto.
7142         (_mm512_fixupimm_round_ps): Ditto.
7143         (_mm512_maskz_fixupimm_round_ps): Ditto.
7144         (_mm_fixupimm_round_sd): Ditto.
7145         (_mm_maskz_fixupimm_round_sd): Ditto.
7146         (_mm_fixupimm_round_ss): Ditto.
7147         (_mm_maskz_fixupimm_round_ss): Ditto.
7148         (_mm512_fixupimm_pd): Ditto.
7149         (_mm512_maskz_fixupimm_pd): Ditto.
7150         (_mm512_fixupimm_ps): Ditto.
7151         (_mm512_maskz_fixupimm_ps): Ditto.
7152         (_mm_fixupimm_sd): Ditto.
7153         (_mm_maskz_fixupimm_sd): Ditto.
7154         (_mm_fixupimm_ss): Ditto.
7155         (_mm_maskz_fixupimm_ss): Ditto.
7156         (_mm512_mask_fixupimm_round_pd): Update builtin.
7157         (_mm512_mask_fixupimm_round_ps): Ditto.
7158         (_mm_mask_fixupimm_round_sd): Ditto.
7159         (_mm_mask_fixupimm_round_ss): Ditto.
7160         (_mm512_mask_fixupimm_pd): Ditto.
7161         (_mm512_mask_fixupimm_ps): Ditto.
7162         (_mm_mask_fixupimm_sd): Ditto.
7163         (_mm_mask_fixupimm_ss): Ditto.
7164         * config/i386/avx512vlintrin.h:
7165         (_mm256_fixupimm_pd): Update parameters and builtin.
7166         (_mm256_maskz_fixupimm_pd): Ditto.
7167         (_mm256_fixupimm_ps): Ditto.
7168         (_mm256_maskz_fixupimm_ps): Ditto.
7169         (_mm_fixupimm_pd): Ditto.
7170         (_mm_maskz_fixupimm_pd): Ditto.
7171         (_mm_fixupimm_ps): Ditto.
7172         (_mm_maskz_fixupimm_ps): Ditto.
7173         (_mm256_mask_fixupimm_pd): Update builtin.
7174         (_mm256_mask_fixupimm_ps): Ditto.
7175         (_mm_mask_fixupimm_pd): Ditto.
7176         (_mm_mask_fixupimm_ps): Ditto.
7177         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
7178         * config/i386/i386-builtin.def: Update builtin definitions.
7179         * config/i386/i386.c: Handle new builtin types and remove useless ones.
7180         * config/i386/sse.md: Update VFIXUPIMM* patterns.
7181         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7182         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7183         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
7184         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7185         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7186         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
7187         * config/i386/subst.md:
7188         (round_saeonly_sd_mask_operand4): Add new subst_attr.
7189         (round_saeonly_sd_mask_op4): Ditto.
7190         (round_saeonly_expand_operand5): Ditto.
7191         (round_saeonly_expand): Update.
7192
7193 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7194
7195         PR target/88794
7196         Revert:
7197         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
7198
7199         * config/i386/sse.md: Combine VFIXUPIMM* patterns
7200         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7201         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7202         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
7203         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7204         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7205         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
7206
7207 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7208
7209         PR target/88794
7210         Revert:
7211         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
7212
7213         PR target/88489
7214         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
7215         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
7216         instead of UNSPEC_FIXUPIMM.
7217
7218 2019-01-17  Richard Biener  <rguenther@suse.de>
7219
7220         PR lto/86736
7221         * dwarf2out.c (want_pubnames): Never generate pubnames sections
7222         and friends for the LTO part of debug info.
7223
7224 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7225
7226         PR tree-optimization/86214
7227         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
7228         if x == y.
7229
7230         PR rtl-optimization/88870
7231         * dce.c (deletable_insn_p): Never delete const/pure calls that can
7232         throw if we can't alter the cfg or delete dead exceptions.
7233         (mark_insn): Don't call find_call_stack_args for such calls.
7234
7235 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
7236
7237         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
7238         prototypes for vec_st.
7239         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
7240         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
7241         mainly on signed/unsigned long long and double.
7242
7243 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
7244
7245         PR target/88861
7246         * combine.c (delete_noop_moves): Convert to "bool" return,
7247         returning true if any edges are eliminated.
7248         (combine_instructions): Also return true if delete_noop_moves
7249         returns true.
7250
7251 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7252
7253         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
7254         correct max nunits for endian swap.
7255         (aarch64_expand_fcmla_builtin): Correct subreg code.
7256         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7257         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
7258         lane endianness.
7259
7260 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
7261
7262         * config/alpha/alpha.c (alpha_gimplify_va_arg):
7263         Handle split indirect COMPLEX_TYPE arguments.
7264
7265 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
7266
7267         PR target/86891
7268         * config/aarch64/aarch64-modes.def: Add comment about how the carry
7269         bit is set by add and compare.
7270         (CC_ADC): New CC_MODE.
7271         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
7272         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
7273         comparison.  Add detection for CC_ADCmode.
7274         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
7275         CC_ADCmode.
7276         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
7277         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
7278         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
7279         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
7280         to eliminate the need for zero-extending the operands.
7281         (add<mode>3_compareC_imm): Delete.  Merge into ...
7282         (add<mode>3_compareC): ... this.  Restructure the comparison to
7283         eliminate the need for zero-extending the operands.
7284         (add<mode>3_carryin): Use LTU for the overflow detection.
7285         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
7286         Reexpress comparison for overflow.
7287         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
7288         (add<mode>3_carryinC): Likewise.
7289         (add<mode>3_carryinV): Use LTU for carry between partials.
7290         * config/aarch64/predicates.md (aarch64_carry_operation): Update
7291         handling of CC_Cmode and add CC_ADCmode.
7292         (aarch64_borrow_operation): Likewise.
7293
7294 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7295
7296         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
7297         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
7298         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
7299         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
7300
7301 2019-01-16  Martin Liska  <mliska@suse.cz>
7302
7303         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
7304         for GCC driver.
7305         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
7306         a new argument.
7307         * gcc.c (add_sysrooted_hdrs_prefix): New function.
7308         (path_prefix_reset): Move up in the source file.
7309         (find_fortran_preinclude_file): Make complex search for the
7310         fortran header files.
7311
7312 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
7313
7314         * godump.c (go_output_typedef): When outputting a typedef, refer
7315         to the underlying type by its name and not its structure.
7316
7317 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
7318
7319         PR c++/88795
7320         * tree.c (build_function_type): Assert that arg_types is not
7321         error_mark_node.
7322
7323 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
7324
7325         PR inline-asm/52813
7326         * doc/extend.texi: Document that listing the stack pointer in the
7327         clobber list of an asm is a deprecated feature.
7328         * common.opt (Wdeprecated): Moved from c-family/c.opt.
7329         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
7330         warning instead of an error for clobbers of the stack pointer.
7331         Add a note explaining why.
7332
7333 2019-01-15  Richard Biener  <rguenther@suse.de>
7334
7335         PR debug/88046
7336         * dwarf2out.c (gen_member_die): Do not generate inheritance
7337         DIEs late.
7338
7339 2019-01-15  Richard Biener  <rguenther@suse.de>
7340
7341         PR tree-optimization/88855
7342         * tree-if-conv.c (combine_blocks): Collect
7343         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
7344
7345 2019-01-15  Tom de Vries  <tdevries@suse.de>
7346
7347         PR target/80547
7348         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
7349         lhs == NULL_TREE for gang-level reduction.
7350
7351 2019-01-15  Richard Biener  <rguenther@suse.de>
7352             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7353
7354         PR ipa/88788
7355         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
7356         return true if SSA_NAME is already marked in visited bitmap.
7357         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
7358
7359 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
7360
7361         PR tree-optimization/88775
7362         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
7363         equal == 0 equality pointer comparisons some more if compared in
7364         integral types and either one points to an automatic var and the
7365         other to a global, or we can prove at least one points to the middle
7366         or both point to start or both point to end.
7367
7368 2019-01-14  Andi Kleen  <ak@linux.intel.com>
7369
7370         * Makefile.in: Lower autofdo sampling rate by 10x.
7371         * Makefile.tpl: Dito.
7372
7373 2019-01-14  Tom Honermann  <tom@honermann.net>
7374
7375         * defaults.h: Define CHAR8_TYPE.
7376
7377 2019-01-14  Martin Sebor  <msebor@redhat.com>
7378
7379         PR target/88638
7380         * doc/extend.texi (Darwin Format Checks): Clarify.
7381
7382 2019-01-14  Richard Biener  <rguenther@suse.de>
7383
7384         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
7385         whether we are in (simplify ...) or (match ...) context.
7386
7387 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
7388
7389         PR rtl-optimization/88796
7390         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
7391         * cfgexpand.c (stack_protect_prologue): Initialize
7392         crtl->stack_protect_guard_decl.
7393         * function.c (stack_protect_epilogue): Use it instead of calling
7394         targetm.stack_protect_guard again.
7395         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
7396         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
7397         crtl->stack_protect_guard_decl.
7398         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
7399         on the returned MEM_EXPR.
7400
7401 2019-01-12  Tom de Vries  <tdevries@suse.de>
7402
7403         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
7404         vector length using -fopenacc-dim.
7405
7406 2019-01-12  Tom de Vries  <tdevries@suse.de>
7407
7408         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
7409         lengths into account.
7410
7411 2019-01-12  Svante Signell  <svante.signell@gmail.com>
7412
7413         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
7414         (TARGET_CAN_SPLIT_STACK): Define.
7415         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
7416
7417 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
7418
7419         * params.def (inline-unit-growth): Set to 40.
7420
7421 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
7422
7423         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
7424
7425 2019-01-12  Tom de Vries  <tdevries@suse.de>
7426
7427         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
7428         region calling vector-partitionable routine, set default_vector_length
7429         to WARP_SIZE.
7430
7431 2019-01-12  Tom de Vries  <tdevries@suse.de>
7432
7433         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
7434         variable default_vector_length.
7435
7436 2019-01-12  Tom de Vries  <tdevries@suse.de>
7437
7438         PR middle-end/88703
7439         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
7440         from oacc_default_dims, as oacc_validate_dims would do it, and apply
7441         dimensions limits.
7442
7443 2019-01-12  Tom de Vries  <tdevries@suse.de>
7444
7445         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
7446         (nvptx_goacc_validate_dims): Add used parameter.
7447         * doc/tm.texi: Regenerate.
7448         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
7449         argument to call to targetm.goacc.validate_dims.
7450         (default_goacc_validate_dims): Add used
7451         parameter.
7452         * target.def (validate_dims): Add used parameter in DEFHOOK.
7453         * targhooks.h (default_goacc_validate_dims): Add used parameter.
7454
7455 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7456
7457         PR middle-end/85956
7458         PR lto/88733
7459         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
7460         field.
7461         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
7462         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
7463         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
7464         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
7465
7466 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
7467
7468         PR rtl-optimization/87305
7469         * lra-assigns.c
7470         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
7471         for little endian pseudos used as paradoxical subreg.
7472
7473 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7474
7475         PR tree-optimization/88693
7476         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
7477         for STRING_CSTs that don't contain any NUL characters in the first
7478         TREE_STRING_LENGTH bytes.
7479
7480 2019-01-11  Alan Modra  <amodra@gmail.com>
7481
7482         PR 88777
7483         PR 88614
7484         * genattrtab.c (min_fn): Don't translate values.
7485         (min_attr_value): Return INT_MAX when the value can't be calculated.
7486         Return minimum among any values that can be calculated.
7487         (max_attr_value): Adjust.
7488
7489 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7490
7491         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
7492
7493 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
7494
7495         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7496         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
7497         (aarch64_return_call_with_max_clobbers): New function.
7498         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
7499         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
7500         argument.
7501         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
7502         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
7503         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
7504         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
7505         * cselib.c (cselib_process_insn): Add argument to
7506         targetm.hard_regno_call_part_clobbered call.
7507         * ira-conflicts.c (ira_build_conflicts): Ditto.
7508         * ira-costs.c (ira_tune_allocno_costs): Ditto.
7509         * lra-constraints.c (inherit_reload_reg): Ditto.
7510         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
7511         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
7512         argument.  Call targetm.return_call_with_max_clobbers.
7513         Add argument to targetm.hard_regno_call_part_clobbered call.
7514         (calls_have_same_clobbers_p): New function.
7515         (process_bb_lives): Add call_insn and last_call_insn variables.
7516         Pass call_insn to check_pseudos_live_through_calls.
7517         Modify if stmt to check targetm.return_call_with_max_clobbers.
7518         Update setting of flush variable.
7519         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
7520         to false.
7521         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
7522         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
7523         targetm.hard_regno_call_part_clobbered call.
7524         * reginfo.c (choose_hard_reg_mode): Ditto.
7525         * regrename.c (check_new_reg_p): Ditto.
7526         * reload.c (find_equiv_reg): Ditto.
7527         * reload1.c (emit_reload_insns): Ditto.
7528         * sched-deps.c (deps_analyze_insn): Ditto.
7529         * sel-sched.c (init_regs_for_mode): Ditto.
7530         (mark_unavailable_hard_regs): Ditto.
7531         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
7532         * target.def (hard_regno_call_part_clobbered): Add insn argument.
7533         (return_call_with_max_clobbers): New target function.
7534         * doc/tm.texi: Regenerate.
7535         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
7536         * hooks.c (hook_bool_uint_mode_false): Change to
7537         hook_bool_insn_uint_mode_false.
7538         * hooks.h (hook_bool_uint_mode_false): Ditto.
7539
7540 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
7541
7542         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7543         (aarch64_remove_extra_call_preserved_regs): New function.
7544         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
7545         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
7546         * doc/tm.texi: Regenerate.
7547         * final.c (get_call_reg_set_usage): Call new hook.
7548         * target.def (remove_extra_call_preserved_regs): New hook.
7549         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
7550         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
7551
7552 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7553
7554         PR bootstrap/88714
7555         * passes.c (finish_optimization_passes): Call print_combine_total_stats
7556         inside of pass_combine_1 dump rather than pass_profile_1.
7557
7558 2019-01-11  Tom de Vries  <tdevries@suse.de>
7559
7560         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
7561         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
7562         (PTX_NUM_PER_WORKER_BARRIERS): Define.
7563         (nvptx_apply_dim_limits): Prevent vector_length 64 and
7564         num_workers 16.
7565
7566 2019-01-11  Tom de Vries  <tdevries@suse.de>
7567
7568         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
7569
7570 2019-01-11  Jan Beulich  <jbeulich@suse.com>
7571
7572         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
7573         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
7574         sse2_cvtsi2sd): Add {l}.
7575         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
7576         syntax.
7577
7578 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
7579
7580         PR target/88785
7581         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
7582         define_expand.
7583         (*float<floatunssuffix>v2div2sf2): New define_insn.
7584         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
7585         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
7586         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
7587         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
7588         match_operands with "const0_operand" "C".
7589
7590 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
7591
7592         * config/aarch64/aarch64-builtins.c
7593         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
7594         (aarch64_init_simd_builtins): ...Here
7595
7596 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
7597
7598         PR rtl-optimization/87305
7599         * lra-assigns.c
7600         (setup_live_pseudos_and_spill_after_risky_transforms): Check
7601         allocation for big endian pseudos used as paradoxical subregs and
7602         spill them if it is wrong.
7603         * lra-constraints.c (lra_constraints): Add a comment.
7604
7605 2019-01-10  Richard Biener  <rguenther@suse.de>
7606
7607         PR tree-optimization/88792
7608         * tree-ssa-pre.c (get_representative_for): Do not return a
7609         value-number here.
7610
7611 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
7612
7613         PR middle-end/84877
7614         PR bootstrap/88450
7615         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
7616         (assign_parm_setup_block): Do the argument slot realignment here
7617         instead.
7618
7619 2019-01-10  Stefan Agner  <stefan@agner.ch>
7620
7621         PR target/88648
7622         * config/arm/arm.c (arm_option_override_internal): Force
7623         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
7624
7625 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
7626
7627         PR c/88568
7628         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
7629         DECL_EXTERNAL.
7630
7631 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
7632
7633         * config/arm/arm-builtins.c
7634         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
7635         (MAC_LANE_PAIR_QUALIFIERS): New.
7636         (arm_expand_builtin_args): Use it.
7637         (arm_expand_builtin_1): Likewise.
7638         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
7639         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
7640         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
7641         * config/arm/arm_neon.h:
7642         (vcadd_rot90_f16): New.
7643         (vcaddq_rot90_f16): New.
7644         (vcadd_rot270_f16): New.
7645         (vcaddq_rot270_f16): New.
7646         (vcmla_f16): New.
7647         (vcmlaq_f16): New.
7648         (vcmla_lane_f16): New.
7649         (vcmla_laneq_f16): New.
7650         (vcmlaq_lane_f16): New.
7651         (vcmlaq_laneq_f16): New.
7652         (vcmla_rot90_f16): New.
7653         (vcmlaq_rot90_f16): New.
7654         (vcmla_rot90_lane_f16): New.
7655         (vcmla_rot90_laneq_f16): New.
7656         (vcmlaq_rot90_lane_f16): New.
7657         (vcmlaq_rot90_laneq_f16): New.
7658         (vcmla_rot180_f16): New.
7659         (vcmlaq_rot180_f16): New.
7660         (vcmla_rot180_lane_f16): New.
7661         (vcmla_rot180_laneq_f16): New.
7662         (vcmlaq_rot180_lane_f16): New.
7663         (vcmlaq_rot180_laneq_f16): New.
7664         (vcmla_rot270_f16): New.
7665         (vcmlaq_rot270_f16): New.
7666         (vcmla_rot270_lane_f16): New.
7667         (vcmla_rot270_laneq_f16): New.
7668         (vcmlaq_rot270_lane_f16): New.
7669         (vcmlaq_rot270_laneq_f16): New.
7670         (vcadd_rot90_f32): New.
7671         (vcaddq_rot90_f32): New.
7672         (vcadd_rot270_f32): New.
7673         (vcaddq_rot270_f32): New.
7674         (vcmla_f32): New.
7675         (vcmlaq_f32): New.
7676         (vcmla_lane_f32): New.
7677         (vcmla_laneq_f32): New.
7678         (vcmlaq_lane_f32): New.
7679         (vcmlaq_laneq_f32): New.
7680         (vcmla_rot90_f32): New.
7681         (vcmlaq_rot90_f32): New.
7682         (vcmla_rot90_lane_f32): New.
7683         (vcmla_rot90_laneq_f32): New.
7684         (vcmlaq_rot90_lane_f32): New.
7685         (vcmlaq_rot90_laneq_f32): New.
7686         (vcmla_rot180_f32): New.
7687         (vcmlaq_rot180_f32): New.
7688         (vcmla_rot180_lane_f32): New.
7689         (vcmla_rot180_laneq_f32): New.
7690         (vcmlaq_rot180_lane_f32): New.
7691         (vcmlaq_rot180_laneq_f32): New.
7692         (vcmla_rot270_f32): New.
7693         (vcmlaq_rot270_f32): New.
7694         (vcmla_rot270_lane_f32): New.
7695         (vcmla_rot270_laneq_f32): New.
7696         (vcmlaq_rot270_lane_f32): New.
7697         (vcmlaq_rot270_laneq_f32): New.
7698         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
7699         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
7700         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
7701         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
7702         vcmlaq_lane270): New.
7703         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
7704         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
7705         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
7706         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
7707         (arm_option_reconfigure_globals): Use them.
7708         * config/arm/iterators.md (VDF, VQ_HSF): New.
7709         (VCADD, VCMLA): New.
7710         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
7711         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
7712         New.
7713         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
7714         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
7715
7716 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
7717
7718         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
7719         Add qualifier_lane_pair_index.
7720         (emit-rtl.h): Include.
7721         (TYPES_QUADOP_LANE_PAIR): New.
7722         (aarch64_simd_expand_args): Use it.
7723         (aarch64_simd_expand_builtin): Likewise.
7724         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
7725         New.
7726         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
7727         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
7728         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
7729         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
7730         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
7731         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
7732         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
7733         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
7734         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
7735         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
7736         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
7737         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
7738         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
7739         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
7740         Add __ARM_FEATURE_COMPLEX.
7741         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
7742         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
7743         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
7744         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
7745         fcmlaq_lane270): New.
7746         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7747         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
7748         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
7749         * config/aarch64/arm_neon.h:
7750         (vcadd_rot90_f16): New.
7751         (vcaddq_rot90_f16): New.
7752         (vcadd_rot270_f16): New.
7753         (vcaddq_rot270_f16): New.
7754         (vcmla_f16): New.
7755         (vcmlaq_f16): New.
7756         (vcmla_lane_f16): New.
7757         (vcmla_laneq_f16): New.
7758         (vcmlaq_lane_f16): New.
7759         (vcmlaq_rot90_lane_f16): New.
7760         (vcmla_rot90_laneq_f16): New.
7761         (vcmla_rot90_lane_f16): New.
7762         (vcmlaq_rot90_f16): New.
7763         (vcmla_rot90_f16): New.
7764         (vcmlaq_laneq_f16): New.
7765         (vcmla_rot180_laneq_f16): New.
7766         (vcmla_rot180_lane_f16): New.
7767         (vcmlaq_rot180_f16): New.
7768         (vcmla_rot180_f16): New.
7769         (vcmlaq_rot90_laneq_f16): New.
7770         (vcmlaq_rot270_laneq_f16): New.
7771         (vcmlaq_rot270_lane_f16): New.
7772         (vcmla_rot270_laneq_f16): New.
7773         (vcmlaq_rot270_f16): New.
7774         (vcmla_rot270_f16): New.
7775         (vcmlaq_rot180_laneq_f16): New.
7776         (vcmlaq_rot180_lane_f16): New.
7777         (vcmla_rot270_lane_f16): New.
7778         (vcadd_rot90_f32): New.
7779         (vcaddq_rot90_f32): New.
7780         (vcaddq_rot90_f64): New.
7781         (vcadd_rot270_f32): New.
7782         (vcaddq_rot270_f32): New.
7783         (vcaddq_rot270_f64): New.
7784         (vcmla_f32): New.
7785         (vcmlaq_f32): New.
7786         (vcmlaq_f64): New.
7787         (vcmla_lane_f32): New.
7788         (vcmla_laneq_f32): New.
7789         (vcmlaq_lane_f32): New.
7790         (vcmlaq_laneq_f32): New.
7791         (vcmla_rot90_f32): New.
7792         (vcmlaq_rot90_f32): New.
7793         (vcmlaq_rot90_f64): New.
7794         (vcmla_rot90_lane_f32): New.
7795         (vcmla_rot90_laneq_f32): New.
7796         (vcmlaq_rot90_lane_f32): New.
7797         (vcmlaq_rot90_laneq_f32): New.
7798         (vcmla_rot180_f32): New.
7799         (vcmlaq_rot180_f32): New.
7800         (vcmlaq_rot180_f64): New.
7801         (vcmla_rot180_lane_f32): New.
7802         (vcmla_rot180_laneq_f32): New.
7803         (vcmlaq_rot180_lane_f32): New.
7804         (vcmlaq_rot180_laneq_f32): New.
7805         (vcmla_rot270_f32): New.
7806         (vcmlaq_rot270_f32): New.
7807         (vcmlaq_rot270_f64): New.
7808         (vcmla_rot270_lane_f32): New.
7809         (vcmla_rot270_laneq_f32): New.
7810         (vcmlaq_rot270_lane_f32): New.
7811         (vcmlaq_rot270_laneq_f32): New.
7812         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
7813         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
7814         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
7815         (FCADD, FCMLA): New.
7816         (rot): New.
7817         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
7818
7819 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
7820
7821         PR other/16615
7822
7823         * config/pa/pa.c: Change "can not" to "cannot".
7824         * gimple-ssa-evrp-analyze.c: Likewise.
7825         * ipa-icf.c: Likewise.
7826         * ipa-polymorphic-call.c: Likewise.
7827         * ipa-pure-const.c: Likewise.
7828         * lra-constraints.c: Likewise.
7829         * lra-remat.c: Likewise.
7830         * reload1.c: Likewise.
7831         * reorg.c: Likewise.
7832         * tree-ssa-uninit.c: Likewise.
7833
7834 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
7835
7836         PR other/16615
7837
7838         * Makefile.in: Mechanically replace "can not" with "cannot".
7839         * alias.c: Likewise.
7840         * builtins.c: Likewise.
7841         * calls.c: Likewise.
7842         * cgraph.c: Likewise.
7843         * cgraph.h: Likewise.
7844         * cgraphclones.c: Likewise.
7845         * cgraphunit.c: Likewise.
7846         * combine-stack-adj.c: Likewise.
7847         * combine.c: Likewise.
7848         * common/config/i386/i386-common.c: Likewise.
7849         * config/aarch64/aarch64.c: Likewise.
7850         * config/alpha/sync.md: Likewise.
7851         * config/arc/arc.c: Likewise.
7852         * config/arc/predicates.md: Likewise.
7853         * config/arm/arm-c.c: Likewise.
7854         * config/arm/arm.c: Likewise.
7855         * config/arm/arm.h: Likewise.
7856         * config/arm/arm.md: Likewise.
7857         * config/arm/cortex-r4f.md: Likewise.
7858         * config/csky/csky.c: Likewise.
7859         * config/csky/csky.h: Likewise.
7860         * config/darwin-f.c: Likewise.
7861         * config/epiphany/epiphany.md: Likewise.
7862         * config/i386/i386.c: Likewise.
7863         * config/i386/sol2.h: Likewise.
7864         * config/m68k/m68k.c: Likewise.
7865         * config/mcore/mcore.h: Likewise.
7866         * config/microblaze/microblaze.md: Likewise.
7867         * config/mips/20kc.md: Likewise.
7868         * config/mips/sb1.md: Likewise.
7869         * config/nds32/nds32.c: Likewise.
7870         * config/nds32/predicates.md: Likewise.
7871         * config/pa/pa.c: Likewise.
7872         * config/rs6000/e300c2c3.md: Likewise.
7873         * config/rs6000/rs6000.c: Likewise.
7874         * config/s390/s390.h: Likewise.
7875         * config/sh/sh.c: Likewise.
7876         * config/sh/sh.md: Likewise.
7877         * config/spu/vmx2spu.h: Likewise.
7878         * cprop.c: Likewise.
7879         * dbxout.c: Likewise.
7880         * df-scan.c: Likewise.
7881         * doc/cfg.texi: Likewise.
7882         * doc/extend.texi: Likewise.
7883         * doc/fragments.texi: Likewise.
7884         * doc/gty.texi: Likewise.
7885         * doc/invoke.texi: Likewise.
7886         * doc/lto.texi: Likewise.
7887         * doc/md.texi: Likewise.
7888         * doc/objc.texi: Likewise.
7889         * doc/rtl.texi: Likewise.
7890         * doc/tm.texi: Likewise.
7891         * dse.c: Likewise.
7892         * emit-rtl.c: Likewise.
7893         * emit-rtl.h: Likewise.
7894         * except.c: Likewise.
7895         * expmed.c: Likewise.
7896         * expr.c: Likewise.
7897         * fold-const.c: Likewise.
7898         * genautomata.c: Likewise.
7899         * gimple-fold.c: Likewise.
7900         * hard-reg-set.h: Likewise.
7901         * ifcvt.c: Likewise.
7902         * ipa-comdats.c: Likewise.
7903         * ipa-cp.c: Likewise.
7904         * ipa-devirt.c: Likewise.
7905         * ipa-fnsummary.c: Likewise.
7906         * ipa-icf.c: Likewise.
7907         * ipa-inline-transform.c: Likewise.
7908         * ipa-inline.c: Likewise.
7909         * ipa-polymorphic-call.c: Likewise.
7910         * ipa-profile.c: Likewise.
7911         * ipa-prop.c: Likewise.
7912         * ipa-pure-const.c: Likewise.
7913         * ipa-reference.c: Likewise.
7914         * ipa-split.c: Likewise.
7915         * ipa-visibility.c: Likewise.
7916         * ipa.c: Likewise.
7917         * ira-build.c: Likewise.
7918         * ira-color.c: Likewise.
7919         * ira-conflicts.c: Likewise.
7920         * ira-costs.c: Likewise.
7921         * ira-int.h: Likewise.
7922         * ira-lives.c: Likewise.
7923         * ira.c: Likewise.
7924         * ira.h: Likewise.
7925         * loop-invariant.c: Likewise.
7926         * loop-unroll.c: Likewise.
7927         * lower-subreg.c: Likewise.
7928         * lra-assigns.c: Likewise.
7929         * lra-constraints.c: Likewise.
7930         * lra-eliminations.c: Likewise.
7931         * lra-lives.c: Likewise.
7932         * lra-remat.c: Likewise.
7933         * lra-spills.c: Likewise.
7934         * lra.c: Likewise.
7935         * lto-cgraph.c: Likewise.
7936         * lto-streamer-out.c: Likewise.
7937         * postreload-gcse.c: Likewise.
7938         * predict.c: Likewise.
7939         * profile-count.h: Likewise.
7940         * profile.c: Likewise.
7941         * recog.c: Likewise.
7942         * ree.c: Likewise.
7943         * reload.c: Likewise.
7944         * reload1.c: Likewise.
7945         * reorg.c: Likewise.
7946         * resource.c: Likewise.
7947         * rtl.def: Likewise.
7948         * rtl.h: Likewise.
7949         * rtlanal.c: Likewise.
7950         * sched-deps.c: Likewise.
7951         * sched-ebb.c: Likewise.
7952         * sched-rgn.c: Likewise.
7953         * sel-sched-ir.c: Likewise.
7954         * sel-sched.c: Likewise.
7955         * shrink-wrap.c: Likewise.
7956         * simplify-rtx.c: Likewise.
7957         * symtab.c: Likewise.
7958         * target.def: Likewise.
7959         * toplev.c: Likewise.
7960         * tree-call-cdce.c: Likewise.
7961         * tree-cfg.c: Likewise.
7962         * tree-complex.c: Likewise.
7963         * tree-core.h: Likewise.
7964         * tree-eh.c: Likewise.
7965         * tree-inline.c: Likewise.
7966         * tree-loop-distribution.c: Likewise.
7967         * tree-nrv.c: Likewise.
7968         * tree-profile.c: Likewise.
7969         * tree-sra.c: Likewise.
7970         * tree-ssa-alias.c: Likewise.
7971         * tree-ssa-dce.c: Likewise.
7972         * tree-ssa-dom.c: Likewise.
7973         * tree-ssa-forwprop.c: Likewise.
7974         * tree-ssa-loop-im.c: Likewise.
7975         * tree-ssa-loop-ivcanon.c: Likewise.
7976         * tree-ssa-loop-ivopts.c: Likewise.
7977         * tree-ssa-loop-niter.c: Likewise.
7978         * tree-ssa-phionlycprop.c: Likewise.
7979         * tree-ssa-phiopt.c: Likewise.
7980         * tree-ssa-propagate.c: Likewise.
7981         * tree-ssa-threadedge.c: Likewise.
7982         * tree-ssa-threadupdate.c: Likewise.
7983         * tree-ssa-uninit.c: Likewise.
7984         * tree-ssanames.c: Likewise.
7985         * tree-streamer-out.c: Likewise.
7986         * tree.c: Likewise.
7987         * tree.h: Likewise.
7988         * vr-values.c: Likewise.
7989
7990 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
7991
7992         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
7993         (ix86_split_xorsign): Ditto.
7994         * config/i386/i386.c (ix86_expand_xorsign): New function.
7995         (ix86_split_xorsign): Ditto.
7996         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
7997         (xorsign<mode>3): New expander.
7998         (xorsign<mode>3_1): New insn_and_split pattern.
7999         * config/i386/sse.md (xorsign<mode>3): New expander.
8000
8001 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8002
8003         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8004         (*tablejump_sp64): Likewise.
8005         (*tablejump<P:mode>): ...this.
8006         (*call_address_sp32): Merge into...
8007         (*call_address_sp64): Likewise.
8008         (*call_address<P:mode>): ...this.
8009         (*call_symbolic_sp32): Merge into...
8010         (*call_symbolic_sp64): Likewise.
8011         (*call_symbolic<P:mode>): ...this.
8012         (call_value): Remove constraint and add predicate.
8013         (*call_value_address_sp32): Merge into...
8014         (*call_value_address_sp64): Likewise.
8015         (*call_value_address<P:mode>): ...this.
8016         (*call_value_symbolic_sp32): Merge into...
8017         (*call_value_symbolic_sp64): Likewise.
8018         (*call_value_symbolic<P:mode>): ...this.
8019         (*sibcall_symbolic_sp32): Merge into...
8020         (*sibcall_symbolic_sp64): Likewise.
8021         (*sibcall_symbolic<P:mode>): ...this.
8022         (sibcall_value): Remove constraint and add predicate.
8023         (*sibcall_value_symbolic_sp32): Merge into...
8024         (*sibcall_value_symbolic_sp64): Likewise.
8025         (*sibcall_value_symbolic<P:mode>): ...this.
8026         (window_save): Minor tweak.
8027         (*branch_sp32): Merge into...
8028         (*branch_sp64): Likewise.
8029         (*branch<P:mode>): ...this.
8030
8031 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8032             James Clarke  <jrtc27@jrtc27.com>
8033
8034         PR target/84010
8035         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8036         consistently in TLS address generation and adjust code to the renaming
8037         of patterns.  Mark calls to __tls_get_addr as const.
8038         * config/sparc/sparc.md (tgd_hi22): Turn into...
8039         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8040         (tgd_lo10): Turn into...
8041         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8042         (tgd_add32): Merge into...
8043         (tgd_add64): Likewise.
8044         (tgd_add<P:mode>): ...this and use Pmode throughout.
8045         (tldm_hi22): Turn into...
8046         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8047         (tldm_lo10): Turn into...
8048         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8049         (tldm_add32): Merge into...
8050         (tldm_add64): Likewise.
8051         (tldm_add<P:mode>): ...this and use Pmode throughout.
8052         (tldm_call32): Merge into...
8053         (tldm_call64): Likewise.
8054         (tldm_call<P:mode>): ...this and use Pmode throughout.
8055         (tldo_hix22): Turn into...
8056         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8057         (tldo_lox10): Turn into...
8058         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8059         (tldo_add32): Merge into...
8060         (tldo_add64): Likewise.
8061         (tldo_add<P:mode>): ...this and use Pmode throughout.
8062         (tie_hi22): Turn into...
8063         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8064         (tie_lo10): Turn into...
8065         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8066         (tie_ld64): Use DImode throughout.
8067         (tie_add32): Merge into...
8068         (tie_add64): Likewise.
8069         (tie_add<P:mode>): ...this and use Pmode throughout.
8070         (tle_hix22_sp32): Merge into...
8071         (tle_hix22_sp64): Likewise.
8072         (tle_hix22<P:mode>): ...this and use Pmode throughout.
8073         (tle_lox22_sp32): Merge into...
8074         (tle_lox22_sp64): Likewise.
8075         (tle_lox22<P:mode>): ...this and use Pmode throughout.
8076         (*tldo_ldub_sp32): Merge into...
8077         (*tldo_ldub_sp64): Likewise.
8078         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
8079         (*tldo_ldub1_sp32): Merge into...
8080         (*tldo_ldub1_sp64): Likewise.
8081         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
8082         (*tldo_ldub2_sp32): Merge into...
8083         (*tldo_ldub2_sp64): Likewise.
8084         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
8085         (*tldo_ldsb1_sp32): Merge into...
8086         (*tldo_ldsb1_sp64): Likewise.
8087         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
8088         (*tldo_ldsb2_sp32): Merge into...
8089         (*tldo_ldsb2_sp64): Likewise.
8090         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
8091         (*tldo_ldub3_sp64): Use DImode throughout.
8092         (*tldo_ldsb3_sp64): Likewise.
8093         (*tldo_lduh_sp32): Merge into...
8094         (*tldo_lduh_sp64): Likewise.
8095         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
8096         (*tldo_lduh1_sp32): Merge into...
8097         (*tldo_lduh1_sp64): Likewise.
8098         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
8099         (*tldo_ldsh1_sp32): Merge into...
8100         (*tldo_ldsh1_sp64): Likewise.
8101         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
8102         (*tldo_lduh2_sp64): Use DImode throughout.
8103         (*tldo_ldsh2_sp64): Likewise.
8104         (*tldo_lduw_sp32): Merge into...
8105         (*tldo_lduw_sp64): Likewise.
8106         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
8107         (*tldo_lduw1_sp64): Use DImode throughout.
8108         (*tldo_ldsw1_sp64): Likewise.
8109         (*tldo_ldx_sp64): Likewise.
8110         (*tldo_stb_sp32): Merge into...
8111         (*tldo_stb_sp64): Likewise.
8112         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
8113         (*tldo_sth_sp32): Merge into...
8114         (*tldo_sth_sp64): Likewise.
8115         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
8116         (*tldo_stw_sp32): Merge into...
8117         (*tldo_stw_sp64): Likewise.
8118         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
8119         (*tldo_stx_sp64): Use DImode throughout.
8120
8121 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8122
8123         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
8124         check configure option to set BTI and Return Address Signing.
8125         * configure.ac: Add --enable-standard-branch-protection and
8126         --disable-standard-branch-protection.
8127         * configure: Regenerated.
8128         * doc/install.texi: Document the same.
8129
8130 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8131             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8132
8133         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
8134         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
8135         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
8136         if bti is enabled.
8137         * config/aarch64/aarch64-bti-insert.c: New file.
8138         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
8139         pass.
8140         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
8141         new bti pass.
8142         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
8143         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
8144         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
8145         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
8146
8147 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8148
8149         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
8150         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
8151         Disable bti for -mbranch-protection=none.
8152         (aarch64_handle_standard_branch_protection): Enable bti for
8153         -mbranch-protection=standard.
8154         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
8155         -mbranch-protection.
8156         (aarch64_bti_enabled): Check if bti is enabled.
8157         * config/aarch64/aarch64.opt: Declare target variable.
8158         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
8159
8160 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8161
8162         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
8163         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
8164         (aarch64_expand_epilogue): Likewise.
8165         (aarch64_output_mi_thunk): Likewise
8166         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
8167         TAILCALL_ADDR_REGS to x16 and x17.
8168         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
8169
8170 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8171
8172         * config/aarch64/aarch64-option-extensions.def: Define
8173         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
8174         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
8175         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
8176         (AARCH64_FL_PREDRES): New.
8177         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
8178         AARCH64_FL_PREDRES by default.
8179         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
8180
8181 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8182
8183         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
8184         ARMv8.5-A.
8185         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
8186         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
8187         * doc/invoke.texi: Document ARMv8.5-A.
8188
8189 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
8190
8191         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
8192         (xorsign<mode>3): Likewise.
8193
8194 2019-01-09  Jelinek  <jakub@redhat.com>
8195
8196         PR middle-end/88758
8197         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
8198         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
8199
8200         PR rtl-optimization/88331
8201         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
8202         not currently_expanding_to_rtl.
8203
8204 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8205
8206         * doc/invoke.texi (-Os): Remove trailing spaces.
8207         (-finline-functions): Remove reference to -O2.
8208
8209 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
8210
8211         PR rtl-optimization/79593
8212         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
8213
8214         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
8215         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
8216
8217 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
8218
8219         PR bootstrap/88721
8220         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
8221         to -1 on entry.
8222
8223         PR debug/88723
8224         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
8225         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
8226
8227 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8228
8229         PR target/88717
8230         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
8231         ix86_avx_u128_mode_entry.
8232
8233 2019-01-08  Martin Liska  <mliska@suse.cz>
8234
8235         PR tree-optimization/88753
8236         * tree-switch-conversion.c (switch_conversion::build_one_array):
8237         Come up with local variable constructor.  Convert first to
8238         type of constructor values.
8239
8240 2019-01-08  Richard Biener  <rguenther@suse.de>
8241
8242         PR tree-optimization/86554
8243         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
8244         rpo_avail): Move earlier.
8245         (visit_nary_op): When value-numbering to expressions
8246         with different overflow behavior make sure there's an
8247         available expression on the path.
8248
8249 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
8250
8251         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
8252         aarch64_parse_branch_protection,
8253         struct aarch64_branch_protect_type,
8254         aarch64_handle_no_branch_protection,
8255         aarch64_handle_standard_branch_protection,
8256         aarch64_validate_mbranch_protection,
8257         aarch64_handle_pac_ret_protection,
8258         aarch64_handle_attr_branch_protection,
8259         accepted_branch_protection_string,
8260         aarch64_pac_ret_subtypes,
8261         aarch64_branch_protect_types,
8262         aarch64_handle_pac_ret_leaf): Define.
8263         (aarch64_override_options_after_change_1, aarch64_override_options):
8264         Add check for accepted_branch_protection_string.
8265         (aarch64_option_save): Save accepted_branch_protection_string.
8266         (aarch64_option_restore): Save accepted_branch_protection_string.
8267         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
8268         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
8269         msign-return-address.
8270         * doc/invoke.texi: Add mbranch-protection.
8271
8272 2019-01-08  Alan Modra  <amodra@gmail.com>
8273
8274         PR target/88614
8275         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
8276         Delete "unknownp" parameter.  Adjust callers.  Handle
8277         CONST_INT, PLUS, MINUS, and MULT.
8278         (attr_value_aligned): Renamed from or_attr_value.
8279         (min_attr_value): Return INT_MIN for unhandled rtl case..
8280         (min_fn): ..and translate to INT_MAX here.
8281         (write_length_unit_log): Modify to cope without "unknown".
8282         (write_attr_value): Handle IF_THEN_ELSE.
8283
8284 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8285
8286         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
8287         optimization for masked stores.
8288
8289 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8290
8291         PR middle-end/88567
8292         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
8293         output vector directly to duplicate_and_interleave instead of
8294         going through a temporary.  Postpone insertion of ctor_seq to
8295         the end of the loop.
8296
8297 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
8298
8299         PR target/86891
8300         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
8301         unsigned_p.  Handle signed and unsigned overflow correction as
8302         required.
8303         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
8304         prototype.
8305         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
8306         for operand 2.
8307         (add<mode>3_compareV_imm): Make this callable for expanding.
8308         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
8309         aarch64_plus_operand for operand 2.
8310         (subv<GPI:mode>_insn): New insn pattern.
8311         (subv<GPI:mode>_imm): Likewise.
8312         (negv<GPI:mode>3): New expand pattern.
8313         (negv<GPI:mode>_insn): New insn pattern.
8314         (negv<GPI:mode>_cmp_only): Likewise.
8315         (cmpv<GPI:mode>_insn): Likewise.
8316         (subvti4): Use register_operand for operand 1.  Update call to
8317         aarch64_expand_subvti.
8318         (usubvti4): Likewise.
8319         (negvti3): New expand pattern.
8320         (negdi_carryout): New insn pattern.
8321         (negvdi_carryinV): New insn pattern.
8322         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
8323         version the named version.
8324         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
8325         operands.
8326         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
8327         patterns.
8328         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
8329         patterns.
8330         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
8331         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
8332         (sub<mode>3_carryinCV): Delete.
8333         (sub<GPI:mode>3_carryinV): New expand pattern.
8334         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
8335
8336 2019-01-07  Richard Biener  <rguenther@suse.de>
8337
8338         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
8339         of tree_operand_hash.
8340
8341 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8342
8343         PR tree-optimization/88598
8344         * tree.h (single_nonzero_element): Declare.
8345         * tree.c (single_nonzero_element): New function.
8346         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
8347         if I is the only nonzero element of CST.
8348
8349 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8350
8351         PR tree-optimization/88598
8352         * tree.h (initializer_each_zero_or_onep): Declare.
8353         * tree.c (initializer_each_zero_or_onep): New function.
8354         (signed_or_unsigned_type_for): Handle float types too.
8355         (unsigned_type_for, signed_type_for): Update comments accordingly.
8356         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
8357         x & { 0 or -1, 0 or -1, ... }.
8358
8359 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
8360
8361         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
8362         with x86_64-pc-linux-gnu.
8363
8364 2019-01-07  Tom de Vries  <tdevries@suse.de>
8365
8366         PR target/85486
8367         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
8368         function.
8369         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
8370         routines.
8371
8372 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
8373
8374         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
8375         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
8376         TARGET_AVX512F as condition.
8377
8378         PR debug/88723
8379         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
8380         const_not_ok_for_debug_p target hook.
8381         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
8382         on UNSPEC and subexpressions thereof if all subexpressions of the
8383         UNSPEC are CONSTANT_P.
8384
8385         PR tree-optimization/88676
8386         * tree-ssa-phiopt.c (two_value_replacement): New function.
8387         (tree_ssa_phiopt_worker): Call it.
8388
8389         PR sanitizer/88619
8390         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
8391         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
8392
8393         PR c++/85052
8394         * tree-vect-generic.c: Include insn-config.h and recog.h.
8395         (expand_vector_piecewise): Add defaulted ret_type argument,
8396         if non-NULL, use that in preference to type for the result type.
8397         (expand_vector_parallel): Formatting fix.
8398         (do_vec_conversion, do_vec_narrowing_conversion,
8399         expand_vector_conversion): New functions.
8400         (expand_vector_operations_1): Call expand_vector_conversion
8401         for VEC_CONVERT ifn calls.
8402         * internal-fn.def (VEC_CONVERT): New internal function.
8403         * internal-fn.c (expand_VEC_CONVERT): New function.
8404         * fold-const-call.c (fold_const_vec_convert): New function.
8405         (fold_const_call): Use it for CFN_VEC_CONVERT.
8406         * doc/extend.texi (__builtin_convertvector): Document.
8407
8408 2019-01-07  Tom de Vries  <tdevries@suse.de>
8409
8410         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
8411         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
8412         vector_red_partition, vector_red_sym): New global variables.
8413         (nvptx_option_override): Initialize vector_red_sym.
8414         (nvptx_declare_function_name): Restore red_partition register.
8415         (nvptx_file_end): Emit code to declare the vector reduction variables.
8416         (nvptx_output_red_partition): New function.
8417         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
8418         large vector reductions.
8419         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
8420         (nvptx_init_builtins): Add VECTOR_ADDR.
8421         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
8422         Handle nvptx_expand_shared_addr.
8423         (nvptx_get_shared_red_addr): Add vector argument and handle large
8424         vectors.
8425         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
8426         large vectors.
8427         (nvptx_goacc_reduction_init): Likewise.
8428         (nvptx_goacc_reduction_fini): Likewise.
8429         (nvptx_goacc_reduction_teardown): Likewise.
8430         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
8431         init,fini,teardown}.
8432         (nvptx_init_axis_predicate): Initialize vector_red_partition.
8433         (nvptx_set_current_function): Init vector_red_partition.
8434         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
8435         (nvptx_red_partition): New insn.
8436         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
8437
8438 2019-01-07  Tom de Vries  <tdevries@suse.de>
8439
8440         PR target/85381
8441         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
8442         empty loops.
8443
8444 2019-01-07  Tom de Vries  <tdevries@suse.de>
8445
8446         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
8447         (nvptx_option_override): Init oacc_bcast_partition.
8448         (nvptx_init_oacc_workers): New function.
8449         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
8450         (nvptx_needs_shared_bcast): New function.
8451         (nvptx_find_par): Generalize to enable vectors to use shared-memory
8452         to propagate state.
8453         (nvptx_shared_propagate): Initialize vector bcast partition and
8454         synchronization state.
8455         (nvptx_single):  Generalize to enable vectors to use shared-memory
8456         to propagate state.
8457         (nvptx_process_pars): Likewise.
8458         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
8459         * config/nvptx/nvptx.h (struct machine_function): Add
8460         bcast_partition and sync_bar members.
8461
8462 2019-01-07  Tom de Vries  <tdevries@suse.de>
8463
8464         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
8465         (nvptx_apply_dim_limits): New function.
8466         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
8467         PTX_WARP_SIZE.
8468
8469 2019-01-07  Tom de Vries  <tdevries@suse.de>
8470
8471         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
8472         as late as possible.
8473
8474 2019-01-07  Tom de Vries  <tdevries@suse.de>
8475
8476         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
8477         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
8478         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
8479         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
8480         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
8481
8482 2019-01-07  Tom de Vries  <tdevries@suse.de>
8483
8484         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
8485
8486 2019-01-07  Tom de Vries  <tdevries@suse.de>
8487
8488         * omp-offload.c (oacc_get_min_dim): New function.
8489         * omp-offload.h (oacc_get_min_dim): Declare.
8490
8491 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
8492
8493         PR target/88521
8494         * config/i386/i386.c (function_value_ms_64): Return small sturct in
8495         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
8496
8497 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8498
8499         PR tree-opt/86020
8500         Revert:
8501         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
8502
8503         * ipa-inline.c (edge_badness): Use inlined_time instead of
8504         inline_summaries->get.
8505
8506 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8507
8508         * opts.c (enable_fdo_optimizations): Enable
8509         version-loops-for-strides, loop-interchange, unrol-and-jam
8510         and tree-loop-distribution.
8511         * invoke.texi: Document newly enabled options.
8512
8513 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8514
8515         * doc/invoke.texi (max-inline-insns-small): New parameters.
8516         * ipa-inline.c (want_early_inline_function_p): simplify.
8517         (want_inline_small_function_p): Fix pasto from previous patch;
8518         use max-inline-insns-small bound.
8519         * params.def (max-inline-insns-small): New param.
8520         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
8521         variables correctly.
8522
8523 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8524
8525         * doc/invoke.texi: Document max-inline-insns-size,
8526         uninlined-function-insns, uninlined-function-time,
8527         uninlined-thunk-insns and uninlined-thunk-time.
8528         * params.def: Add max-inline-insns-size,
8529         uninlined-function-insns, uninlined-function-time,
8530         uninlined-thunk-insns and uninlined-thunk-time.
8531         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
8532         new parameters.
8533         * ipa-inline.c (can_inline_edge_by_limits_p,
8534         want_inline_small_function_p): Use new parameters.
8535
8536 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8537
8538         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
8539
8540 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
8541
8542         PR middle-end/82564
8543         PR target/88620
8544         * expr.c (expand_assignment): For calls returning VLA structures
8545         if to_rtx is not a MEM, force it into a stack temporary.
8546
8547         PR debug/88635
8548         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
8549         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
8550         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
8551         subexpressions of both operands.
8552         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
8553         subrtxes are CONSTANT_P.
8554         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
8555         2018-11-09 changes.
8556
8557 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
8558
8559         * params.def (hot-bb-count-ws-permille): Set to 990.
8560
8561 2019-01-04  Martin Sebor  <msebor@redhat.com>
8562
8563         PR c/88546
8564         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
8565         leaf.
8566
8567 2019-01-04  Martin Sebor  <msebor@redhat.com>
8568
8569         PR c/88363
8570         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
8571
8572 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
8573
8574         * gdbinit.in: Turn off pagination for the skip commands, restore
8575         it to previous state afterwards.
8576
8577 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
8578
8579         PR target/88594
8580         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
8581         of GET_MODE (opN) as modes of the libcall arguments.
8582
8583 2019-01-04  Jan Beulich  <jbeulich@suse.com>
8584
8585         * config/i386/sse.md
8586         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
8587         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
8588         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
8589         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
8590         avx512f_vmcmp<mode>3<round_saeonly_name>,
8591         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
8592         avx512f_maskcmp<mode>3,
8593         <avx512>_cvt<ssemodesuffix>2mask<mode>,
8594         <avx512>_cvt<ssemodesuffix>2mask<mode>,
8595         *<avx512>_cvtmask2<ssemodesuffix><mode>,
8596         *<avx512>_cvtmask2<ssemodesuffix><mode>,
8597         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
8598         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
8599         <avx512>_gt<mode>3<mask_scalar_merge_name>,
8600         <avx512>_gt<mode>3<mask_scalar_merge_name>,
8601         <avx512>_testm<mode>3<mask_scalar_merge_name>,
8602         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
8603         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
8604         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
8605         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
8606         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
8607         avx512cd_maskb_vec_dup<mode>,
8608         avx512cd_maskw_vec_dup<mode>,
8609         avx512dq_fpclass<mode><mask_scalar_merge_name>,
8610         avx512dq_vmfpclass<mode>,
8611         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
8612         instead of =Yk.
8613
8614 2019-01-03  Martin Sebor  <msebor@redhat.com>
8615
8616         PR tree-optimization/88659
8617         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
8618
8619 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
8620
8621         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
8622         unaligned vsx and avoid lxvd2x/stxvd2x.
8623         (gen_lvx_v4si_move): New function.
8624
8625 2019-01-03  Tom de Vries  <tdevries@suse.de>
8626
8627         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
8628         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
8629         function.
8630         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
8631
8632 2019-01-03  Tom de Vries  <tdevries@suse.de>
8633
8634         * config/nvptx/nvptx.c (struct offload_attrs): New.
8635         (populate_offload_attrs): New function.  Factor mask extraction out of
8636         nvptx_reorg.  Add extraction of dimensions.
8637         (nvptx_reorg): Use populate_offload_attrs.
8638
8639 2019-01-03  Tom de Vries  <tdevries@suse.de>
8640
8641         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
8642         cases for oacc_min_dims_p and routine_p.  Add asserts for
8643         oacc_default_dims_p and offload_region_p.
8644
8645 2019-01-03  Tom de Vries  <tdevries@suse.de>
8646
8647         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
8648         factored out of ...
8649         (nvptx_goacc_validate_dims): ... here.
8650
8651 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
8652
8653         PR tree-optimization/85574
8654         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
8655         structure.
8656         (struct ssa_equip_hash_traits): Declare.
8657         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
8658
8659 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
8660
8661         PR debug/88644
8662         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
8663         change it to qualified_type.
8664
8665 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
8666
8667         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
8668         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
8669
8670 2019-01-02  Martin Sebor  <msebor@redhat.com>
8671             Jeff Law  <law@redhat.com>
8672
8673         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
8674         (get_range_strlen_tree): Update appropriately.
8675         (get_range_strlen)
8676         * gimple-fold.h (get_range_strlen): Drop unused last argument.
8677
8678         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
8679         rather than set_range_info.
8680         * tree-ssa-strlen.c (set_strlen_range): Extracted from
8681         maybe_set_strlen_range.  Handle potentially boundary crossing
8682         cases more conservatively.
8683         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
8684         Call set_strlen_range.
8685         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
8686
8687         PR middle-end/88663
8688         * gimple-fold.c (get_range_strlen): Update prototype to no longer
8689         need the flexp argument.
8690         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
8691         from calls to get_range_strlen.  Update comments.  Just update
8692         VAL for an unterminated const char array and let the reset of the
8693         code handle it normally.  No longer try to set *flexp.  Adjust
8694         return value.
8695         (get_range_strlen): Update for the new get_range_strlen API.
8696         (get_maxval_strlen): Similarly.
8697         (gimple_fold_builtin_strlen): Handle update meaning of return value
8698         from get_range_strlen.
8699         * gimple-ssa-sprintf.c (get_string_length): Update for the new
8700         get_range_strlen API.
8701
8702 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
8703
8704         PR lto/88130
8705         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
8706         false at WPA time when body was removed.
8707
8708 2019-01-02  Martin Liska  <mliska@suse.cz>
8709
8710         PR tree-optimization/88650
8711         * predict.c (set_even_probabilities): Calculate probability
8712         remainer only when really used.
8713
8714 2019-01-02  Richard Biener  <rguenther@suse.de>
8715
8716         PR middle-end/88651
8717         * tree-data-ref.c (analyze_subscript_affine_affine): Use
8718         widest_ints when mangling max_stmt_execution results.
8719
8720 2019-01-02  Richard Biener  <rguenther@suse.de>
8721
8722         PR tree-optimization/88621
8723         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
8724         bitfields when canoncalizing.
8725
8726 2019-01-02  Richard Biener  <rguenther@suse.de>
8727
8728         PR target/87545
8729         * config/i386/x86-tune-costs.h (intel_cost): Adjust
8730         cost of cheap SSE instruction.
8731
8732 2019-01-02  Richard Biener  <rguenther@suse.de>
8733
8734         PR ipa/85574
8735         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
8736         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
8737         function.
8738         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
8739         set after UIDs before splitting them.
8740
8741 2019-01-01  Martin Sebor  <msebor@redhat.com>
8742             Jeff Law  <law@redhat.com>
8743
8744         * gimple-fold.c (get_range_strlen_tree): Record if the computed
8745         length is optimistic.  If it is, then arrange to compute the
8746         conservative length as well.
8747
8748         * gimple-fold.h (get_range_strlen): Update prototype.
8749         * builtins.c (check_access): Update call to get_range_strlen to use
8750         c_strlen_data pointer.   Change various variable accesses to instead
8751         pull data from the c_strlen_data structure.
8752         (check_strncat_sizes, expand_builtin_strncat): Likewise.
8753         * calls.c (maybe_warn_nonstring_arg): Likewise.
8754         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
8755         minimum length if maximum lengh is unknown.
8756         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
8757         that used c_strlen, it's no longer needed.  Restructure slightly.
8758         (format_string): Set unlikely range appropriately.
8759         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
8760         formatting issues.
8761         (get_range_strlen):  Accept c_strlen_data pointer for external
8762         call sites as well.  Pass through to call to internal get_range_strlen.
8763         Adjust minlen, maxlen and maxbound as needed.
8764         (get_maxval_strlen): Update comments.
8765         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
8766         to use c_strlen_data pointer.  Change variable accesses to instead
8767         use c_strlen_data data members.
8768
8769         * gimple-fold.c (get_range_strlen): Update prototype.
8770         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
8771         local variables.  Use pdata to return information to caller.
8772         Update calls to get_range_strlen.  Update pdata->maxbound.
8773         (get_range_strlen -- static version): Similarly.
8774         (get_range_strlen -- extern version): Update for internal
8775         get_range_strlen API change.  Convert to external data format.
8776         (get_maxval_strlen): Similarly.
8777
8778 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
8779
8780         * coverage.c (get_coverage_counts): Use current_function_decl.
8781         * profile.c (read_thunk_profile): New function.
8782         (branch_prob): Add THUNK parameter.
8783         * tree-profile.c (tree_profiling): Handle thunks.
8784         * value-prof.c (init_node_map): Handle thunks.
8785         * value-prof.h (branch_prob): Upate prototype.
8786         (read_thunk_profile): Declare.
8787
8788 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
8789
8790         Update copyright years.
8791
8792         * gcc.c (process_command): Update copyright notice dates.
8793         * gcov-dump.c (print_version): Ditto.
8794         * gcov.c (print_version): Ditto.
8795         * gcov-tool.c (print_version): Ditto.
8796         * gengtype.c (create_file): Ditto.
8797         * doc/cpp.texi: Bump @copying's copyright year.
8798         * doc/cppinternals.texi: Ditto.
8799         * doc/gcc.texi: Ditto.
8800         * doc/gccint.texi: Ditto.
8801         * doc/gcov.texi: Ditto.
8802         * doc/install.texi: Ditto.
8803         * doc/invoke.texi: Ditto.
8804 \f
8805 Copyright (C) 2019 Free Software Foundation, Inc.
8806
8807 Copying and distribution of this file, with or without modification,
8808 are permitted in any medium without royalty provided the copyright
8809 notice and this notice are preserved.