gcc/ChangeLog

   1 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
   2
   3         * config/rs6000/constraints.md (define_register_constraint "wl"):
   4         Delete.
   5         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
   6         RS6000_CONSTRAINT_wl.
   7         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
   8         (rs6000_init_hard_regno_mode_ok): Adjust.
   9         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
  10         * doc/md.texi (Machine Constraints): Adjust.
  11
  12 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  13
  14         * config/rs6000/constraints.md (define_register_constraint "wm"):
  15         Delete.
  16         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  17         RS6000_CONSTRAINT_wm.
  18         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  19         (rs6000_init_hard_regno_mode_ok): Adjust.
  20         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
  21         * doc/md.texi (Machine Constraints): Adjust.
  22
  23 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  24
  25         * config/rs6000/constraints.md (define_register_constraint "wk"):
  26         Delete.
  27         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  28         RS6000_CONSTRAINT_wk.
  29         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  30         (rs6000_init_hard_regno_mode_ok): Adjust.
  31         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
  32         * doc/md.texi (Machine Constraints): Adjust.
  33
  34 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  35
  36         * config/rs6000/constraints.md (define_register_constraint "wj"):
  37         Delete.
  38         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  39         RS6000_CONSTRAINT_wj.
  40         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  41         (rs6000_init_hard_regno_mode_ok): Adjust.
  42         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
  43         (VS_64dm): Delete.
  44         * config/rs6000/vsx.md: Ditto.
  45         * doc/md.texi (Machine Constraints): Adjust.
  46
  47 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  48
  49         * config/rs6000/constraints.md (define_register_constraint "wh"):
  50         Delete.
  51         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  52         RS6000_CONSTRAINT_wh.
  53         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  54         (rs6000_init_hard_regno_mode_ok): Adjust.
  55         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
  56         * doc/md.texi (Machine Constraints): Adjust.
  57
  58 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
  59
  60         PR target/90547
  61         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
  62         Avoid calling gen_lowpart with CONST operand.
  63
  64 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
  65
  66         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
  67         field template_last_to_copy.
  68         (ssa_create_duplicates): Set it, and use it.  Attempt to
  69         preserve more debug stmts.
  70
  71 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
  72
  73         * config/i386/sse.md (VF1_AVX2): New mode iterator.
  74         (signbit<mode>2): New expander
  75
  76 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
  77
  78         PR bootstrap/87338
  79         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
  80         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
  81
  82 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
  83
  84         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
  85         %ebx and %ecx bafore calling cpuid with leaf 1 or
  86         non-constant leaf argument.
  87
  88 2019-05-21  Alan Modra  <amodra@gmail.com>
  89
  90         PR target/90545
  91         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
  92         power9 direct move cost.
  93         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
  94         Correct comments and rename functions to suit parameters.
  95
  96 2019-05-21  Richard Biener  <rguenther@suse.de>
  97
  98         PR middle-end/90510
  99         * fold-const.c (fold_read_from_vector): New function.
 100         * fold-const.h (fold_read_from_vector): Declare.
 101         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 102         single-element insert permutations.  Canonicalize selector
 103         further and fix issue with last commit.
 104
 105 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 106
 107         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 108         parameter with default value false to declaration.
 109         (split_edges_for_insertion): New inline function.  Wrapper for
 110         split_critical_edges with for_edge_insertion_p = true.
 111         * tree-cfg.c (split_critical_edges): Don't split non-critical
 112         edges if for_edge_insertion_p is false.  Fix whitespace.
 113         * tree-ssa-pre.c (pass_pre::execute): Call
 114         split_edges_for_insertion instead of split_critical_edges.
 115         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 116         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 117         (pass_data_sink_code): Update function name in the comment.
 118
 119 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 120
 121         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 122         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 123         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 124         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 125         positives.
 126
 127 2019-05-21  Martin Liska  <mliska@suse.cz>
 128
 129         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 130         an extra newline.
 131         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 132         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 133         vec_lvsr.
 134         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 135         Quote a C type.
 136         (rs6000_function_arg): Likewise.
 137         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 138         (rs6000_expand_ternop_builtin): Use interval syntax.
 139         (get_element_number): Likewise.
 140         (altivec_expand_builtin): Likewise.
 141         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 142
 143 Fix test-suite.
 144
 145 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 146
 147         PR c++/59813
 148         PR target/90418
 149         * function.h (struct function): Add calls_eh_return member.
 150         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 151         gimplifying __builtin_eh_return call.
 152         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 153         to cfun.
 154         (expand_call_inline): Or in src_cfun->calls_eh_return into
 155         dst_cfun->calls_eh_return.
 156         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 157         cfun->calls_eh_return.
 158         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 159         * lto-streamer-out.c (output_struct_function_base): Write
 160         calls_eh_return.
 161
 162 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 163
 164         PR rtl-optimization/43147
 165         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 166         IX86_BUILTIN_SHUFPD.
 167
 168 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 169
 170         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 171         (refs_may_alias_p_1): ... here; update stats.
 172         (refs_may_alias_p): Do not update stats here.
 173
 174 2019-05-20  Richard Biener  <rguenther@suse.de>
 175
 176         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 177         doesn't produce pointers.
 178         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 179         the first operand points to.
 180
 181 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 182
 183         * tree-ssa-alias.c (compare_sizes): New function.
 184         (sompare_type_sizes): New function
 185         (aliasing_component_refs_p): Use it.
 186         (indirect_ref_may_alias_decl_p): Likewise.
 187
 188 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 189
 190         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 191
 192 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 193
 194         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 195         (LIBLSAN_EARLY_SPEC): Likewise.
 196         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 197
 198 2019-05-20  Martin Liska  <mliska@suse.cz>
 199
 200         * config/i386/i386.c (ix86_libc_has_fast_function):
 201         Add ATTRIBUTE_UNUSED for the argument.
 202
 203 2019-05-20  Richard Biener  <rguenther@suse.de>
 204
 205         * gimple-match-head.c: Include vec-perm-indices.h.
 206         * generic-match-head.c: Likewise.
 207         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 208         is included.
 209         * fold-const.c (fold_vec_perm): Export.
 210         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 211         (match.pd): ...here.
 212
 213 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 214
 215         * cfgloop.h (struct loop): Add simdlen member.
 216         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 217         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 218         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
 219         as new argument to autovectorize_vector_sizes target hook.  If
 220         loop->simdlen, pick up vector size where the vectorization factor
 221         is equal to loop->simd, and if there is none, fall back to the first
 222         successful one.
 223         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
 224         caller.
 225         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 226         * omp-general.c (omp_max_vf): Likewise.
 227         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
 228         * tree-vect-slp.c (vect_slp_bb): Likewise.
 229         * target.def (autovectorize_vector_sizes): Add ALL argument and
 230         document it.
 231         * doc/tm.texi: Adjust documentation.
 232         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
 233         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
 234         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
 235         bool argument.
 236         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
 237         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
 238         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
 239         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
 240         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
 241         preferred vector size is not 512-bit or 256-bit, just put those
 242         unpreferred ones last.
 243
 244 2019-05-20  Martin Liska  <mliska@suse.cz>
 245
 246         * targhooks.c (default_libc_has_fast_function): New function.
 247         * targhooks.h (default_libc_has_fast_function): Likewise.
 248
 249 2019-05-20  Martin Liska  <mliska@suse.cz>
 250
 251         PR middle-end/90263
 252         * builtins.c (expand_builtin_memory_copy_args): When having a
 253         target with fast mempcpy implementation do now use memcpy.
 254         * config/i386/i386.c (ix86_libc_has_fast_function): New.
 255         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
 256         * doc/tm.texi: Likewise.
 257         * doc/tm.texi.in: Likewise.
 258         * target.def:
 259         * expr.c (emit_block_move_hints): Add 2 new arguments.
 260         * expr.h (emit_block_move_hints): Bail out when libcall
 261         to memcpy would be used.
 262
 263 2019-05-20  Martin Liska  <mliska@suse.cz>
 264
 265         * profile-count.c: Add vertical spacing in order
 266         to separate functions.
 267         * profile-count.h: Likewise.
 268
 269 2019-05-20  Martin Liska  <mliska@suse.cz>
 270
 271         * profile-count.h: Do not use full qualified
 272         names if possible.
 273         * profile-count.c (profile_count::to_frequency): Likewise.
 274
 275 2019-05-20  Martin Liska  <mliska@suse.cz>
 276
 277         * profile-count.h (enum profile_quality): Use capital letters
 278         for enum value names.  Use the adjusted names.
 279         * profile-count.c: Use the adjusted names.
 280
 281 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 282
 283         * config/rs6000/constraints.md (define_register_constraint "wH"):
 284         Delete.
 285         (define_register_constraint "wI"): Delete.
 286         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 287         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
 288         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 289         (rs6000_init_hard_regno_mode_ok): Adjust.
 290         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
 291         resp. "d", or with "wa" as appropriate, all with "p8v".
 292         * config/rs6000/vsx.md: Ditto.
 293         * doc/md.texi (Machine Constraints): Adjust.
 294
 295 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 296
 297         * config/rs6000/constraints.md (define_register_constraint "wy"):
 298         Delete.
 299         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 300         RS6000_CONSTRAINT_wy.
 301         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 302         (rs6000_init_hard_regno_mode_ok): Adjust.
 303         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
 304         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
 305         (define_mode_attr Fisa): New.
 306         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
 307         * doc/md.texi (Machine Constraints): Adjust.
 308
 309 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 310
 311         * config/rs6000/constraints.md (define_register_constraint "wu"):
 312         Delete.
 313         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 314         RS6000_CONSTRAINT_wu.
 315         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 316         (rs6000_init_hard_regno_mode_ok): Adjust.
 317         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
 318         both with "p8v".
 319         (define_mode_attr Fa): Delete.
 320         * config/rs6000/vsx.md: Ditto.
 321         * doc/md.texi (Machine Constraints): Adjust.
 322
 323 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 324
 325         * config/rs6000/constraints.md (define_register_constraint "wJ"):
 326         Delete.
 327         (define_register_constraint "wK"): Delete.
 328         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 329         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
 330         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 331         (rs6000_init_hard_regno_mode_ok): Adjust.
 332         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
 333         Replace "wK" constraint by "wH" with "p9v".
 334         * config/rs6000/vsx.md: Ditto.
 335         * doc/md.texi (Machine Constraints): Adjust.
 336
 337 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 338
 339         * config/rs6000/constraints.md (define_register_constraint "wb"):
 340         Delete.
 341         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 342         RS6000_CONSTRAINT_wb.
 343         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 344         (rs6000_init_hard_regno_mode_ok): Adjust.
 345         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
 346         * config/rs6000/vsx.md: Ditto.
 347         * doc/md.texi (Machine Constraints): Adjust.
 348
 349 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 350
 351         * config/rs6000/constraints.md (define_register_constraint "wo"):
 352         Delete.
 353         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 354         RS6000_CONSTRAINT_wo.
 355         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 356         (rs6000_init_hard_regno_mode_ok): Adjust.
 357         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
 358         * config/rs6000/altivec.md: Ditto.
 359         * doc/md.texi (Machine Constraints): Adjust.
 360
 361 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 362
 363         * config/darwin-c.c (darwin_register_objc_includes): Do not
 364         prepend the sysroot when building gnu-runtime header search
 365         paths.
 366
 367 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 368
 369         * config/darwin.c (darwin_file_end): Use switch_to_section ()
 370         instead of direct output of the asm.
 371
 372 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 373
 374         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
 375         argument to be type bool (was int before).
 376         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
 377         at first use.  Use type bool for some variables.  Fix a theoretical
 378         eh_return bug for svr4.
 379
 380 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 381
 382         * config/rs6000/rs6000.md (isa): New attribute.
 383         (enabled): New attribute.
 384
 385 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
 386
 387         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
 388         assemble_start_function and assemble_end_function.
 389
 390 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 391
 392         PR middle-end/89433
 393         * omp-general.c (oacc_verify_routine_clauses): Change formal
 394         parameters.  Add checking if already marked with an OpenACC
 395         'routine' directive.  Adjust all users.
 396
 397         PR middle-end/89433
 398         * omp-general.c (oacc_build_routine_dims): Move some of its
 399         processing into...
 400         (oacc_verify_routine_clauses): ... this new function.
 401         * omp-general.h (oacc_verify_routine_clauses): New prototype.
 402
 403 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 404
 405         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
 406         formating of picbase labels to match other ports.
 407
 408 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 409
 410         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
 411         in the generated code.
 412
 413 2019-05-16  Martin Sebor  <msebor@redhat.com>
 414
 415         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
 416         identifiers, keywords, operators, and types in diagnostics.  Correct
 417         quoting, spelling, and sentence capitalization issues.
 418         (expand_builtin_atomic_is_lock_free): Same.
 419         (fold_builtin_next_arg): Same.
 420         * cfgexpand.c (expand_one_var): Same.
 421         (tree_conflicts_with_clobbers_p): Same.
 422         (expand_asm_stmt): Same.
 423         (verify_loop_structure): Same.
 424         * cgraphunit.c (process_function_and_variable_attributes): Same.
 425         * collect-utils.c (collect_execute): Same.
 426         * collect2.c (maybe_run_lto_and_relink): Same.
 427         (is_lto_object_file): Same.
 428         (scan_prog_file): Same.
 429         * convert.c (convert_to_real_1): Same.
 430         * dwarf2out.c (dwarf2out_begin_prologue): Same.
 431         * except.c (verify_eh_tree): Same.
 432         * gcc.c (execute): Same.
 433         (eval_spec_function): Same.
 434         (run_attempt): Same.
 435         (driver::set_up_specs): Same.
 436         (compare_debug_auxbase_opt_spec_function): Same.
 437         * gcov-tool.c (unlink_gcda_file): Same.
 438         (do_merge): Same.
 439         (do_rewrite): Same.
 440         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
 441         * gimplify.c (gimplify_asm_expr): Same.
 442         (gimplify_adjust_omp_clauses): Same.
 443         * hsa-gen.c (gen_hsa_addr_insns): Same.
 444         (gen_hsa_insns_for_load): Same.
 445         (gen_hsa_cmp_insn_from_gimple): Same.
 446         (gen_hsa_insns_for_operation_assignment): Same.
 447         (gen_get_level): Same.
 448         (gen_hsa_alloca): Same.
 449         (omp_simple_builtin::generate): Same.
 450         (gen_hsa_atomic_for_builtin): Same.
 451         (gen_hsa_insns_for_call): Same.
 452         * input.c (dump_location_info): Same.
 453         * ipa-devirt.c (compare_virtual_tables): Same.
 454         * ira.c (ira_setup_eliminable_regset): Same.
 455         * lra-assigns.c (lra_assign): Same.
 456         * lra-constraints.c (lra_constraints): Same.
 457         * lto-streamer-in.c (lto_input_mode_table): Same.
 458         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
 459         (merge_and_complain): Same.
 460         (compile_offload_image): Same.
 461         (compile_images_for_offload_targets): Same.
 462         (debug_objcopy): Same.
 463         (run_gcc): Same.
 464         (main): Same.
 465         * opts.c (print_specific_help): Same.
 466         (parse_no_sanitize_attribute): Same.
 467         (print_help): Same.
 468         (handle_param): Same.
 469         * plugin.c (add_new_plugin): Same.
 470         (parse_plugin_arg_opt): Same.
 471         (try_init_one_plugin): Same.
 472         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
 473         operators, and types in diagnostics.  Correct quoting and spelling
 474         issues.
 475         * read-rtl-function.c (parse_edge_flag_token): Same.
 476         (function_reader::parse_enum_value): Same.
 477         * reg-stack.c (check_asm_stack_operands): Same.
 478         * regcprop.c (validate_value_data): Same.
 479         * sched-rgn.c (make_pass_sched_fusion): Same.
 480         * stmt.c (check_unique_operand_names): Same.
 481         * targhooks.c (default_target_option_pragma_parse): Same.
 482         * tlink.c (recompile_files): Same.
 483         * toplev.c (process_options): Same.
 484         (do_compile): Same.
 485         * trans-mem.c (diagnose_tm_1): Same.
 486         (ipa_tm_scan_irr_block): Same.
 487         (ipa_tm_diagnose_transaction): Same.
 488         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
 489         format a tree code name in a diagnostic.
 490         (verify_types_in_gimple_min_lval): Same.
 491         (verify_types_in_gimple_reference): Same.
 492         (verify_gimple_call): Same.
 493         (verify_gimple_assign_unary): Same.
 494         (verify_gimple_assign_binary): Same.
 495         (verify_gimple_assign_ternary): Same.
 496         (verify_gimple_assign_single): Same.
 497         (verify_gimple_switch): Same.
 498         (verify_gimple_label): Same.
 499         (verify_gimple_phi): Same.
 500         (verify_gimple_in_seq): Same.
 501         (verify_eh_throw_stmt_node): Same.
 502         (collect_subblocks): Same.
 503         (gimple_verify_flow_info): Same.
 504         (do_warn_unused_result): Same.
 505         * tree-inline.c (expand_call_inline): Same.
 506         * tree-into-ssa.c (update_ssa): Same.
 507         * tree.c (tree_int_cst_elt_check_failed): Same.
 508         (tree_vec_elt_check_failed): Same.
 509         (omp_clause_operand_check_failed): Same.
 510         (verify_type_variant): Same.
 511         (verify_type): Same.
 512         * value-prof.c (verify_histograms): Same.
 513         * varasm.c (assemble_start_function): Same.
 514
 515 2019-05-16  Martin Sebor  <msebor@redhat.com>
 516
 517         * config/i386/i386-expand.c (get_element_number): Quote keywords
 518         and other internal names in diagnostics.  Adjust other diagnostic
 519         formatting issues noted by -Wformat-diag.
 520         * config/i386/i386-features.c
 521         (ix86_mangle_function_version_assembler_name): Same.
 522         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
 523         * config/i386/i386.c (ix86_function_type_abi): Same.
 524         (ix86_function_ms_hook_prologue): Same.
 525         (classify_argument): Same.
 526         (ix86_expand_prologue): Same.
 527         (ix86_md_asm_adjust): Same.
 528         (ix86_memmodel_check): Same.
 529
 530 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
 531
 532         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
 533         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
 534         and fpxx modes.
 535
 536 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
 537
 538         PR target/90497
 539         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
 540         intrinsics without SSE/SSE2/SSSE3.
 541         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
 542         check.
 543         (*mmx_uavgv8qi3): Likewise.
 544
 545 2019-05-17  Richard Biener  <rguenther@suse.de>
 546
 547         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
 548         VEC_PERM_EXPR as __VEC_PERM with -gimple.
 549
 550 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
 551
 552         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
 553         vec_sldw insn pattern.
 554
 555 2019-05-17  Richard Biener  <rguenther@suse.de>
 556
 557         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
 558
 559 2019-05-17  Martin Liska  <mliska@suse.cz>
 560
 561         PR driver/90496
 562         * toplev.c (output_stack_usage): With LTO and sanitizer it
 563         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
 564         has no file location.
 565
 566 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 567
 568         PR c++/90484
 569         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
 570         sz0 is equal to sz1, instead return false in that case.
 571
 572         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
 573         has non-constant expression, force sctx.lane and use two
 574         argument IFN_GOMP_SIMD_LANE instead of single argument.
 575         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
 576         two argument IFN_GOMP_SIMD_LANE without lhs.
 577         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
 578         member.
 579         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
 580         Define.
 581         (LOOP_REQUIRES_VERSIONING): Or in
 582         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
 583         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 584         simd_if_cond.
 585         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
 586         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
 587         from simd if clause if needed.
 588
 589 2019-05-16  Richard Biener  <rguenther@suse.de>
 590
 591         * tree-affine.c (expr_to_aff_combination): New function split
 592         out from...
 593         (tree_to_aff_combination): ... here.
 594         (aff_combination_expand): Avoid building a GENERIC tree.
 595
 596 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
 597
 598         * cgraphunit.c (cgraph_node::expand_thunk): Remove
 599         assemble_start_function and assemble_end_function calls.
 600         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
 601         assemble_start_function and assemble_end_function.
 602         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
 603         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
 604         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
 605         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
 606         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
 607         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
 608         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
 609         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
 610         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 611         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 612         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 613         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
 614         Likewise.
 615         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 616         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
 617         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
 618         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
 619         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 620         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 621         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
 622         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
 623         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 624         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
 625         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 626         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 627         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
 628         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
 629         Likewise.
 630         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 631         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 632         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
 633
 634 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
 635
 636         * tree-ssa-alias.c (alias_stats): Add
 637         aliasing_component_refs_p_may_alias and
 638         aliasing_component_refs_p_no_alias.
 639         (dump_alias_stats): Print aliasing_component_refs_p stats.
 640         (aliasing_component_refs_p): Update stats.
 641
 642 2019-05-16  Martin Liska  <mliska@suse.cz>
 643
 644         PR lto/90500
 645         * multiple_target.c (expand_target_clones): Do not allow
 646         target_clones being used with a symbol that is an alias.
 647
 648 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
 649
 650         PR tree-optimization/90394
 651         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
 652         positives rather than ICE for cases where (code2 == NE_EXPR
 653         && code1 == BIT_AND_EXPR).
 654
 655 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 656
 657         PR fortran/90329
 658         * tree-core.h (struct tree_decl_common): Document
 659         decl_nonshareable_flag for PARM_DECLs.
 660         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
 661         * calls.c (expand_call): Don't try tail call if caller
 662         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
 663         passed on the stack and callee needs to pass any arguments on the
 664         stack.
 665         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
 666         else if instead of series of mutually exclusive ifs.  Handle
 667         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
 668         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
 669
 670         * lto-streamer.h (LTO_major_version): Bump to 9.
 671
 672 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
 673
 674         PR tree-optimization/90106
 675         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
 676         new parameter as new internal function call, also move it to new
 677         basic block.
 678         (use_internal_fn): Pass internal function call to
 679         shrink_wrap_one_built_in_call_with_conds.
 680
 681 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
 682
 683         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
 684         max_vf to 1.
 685         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
 686         safelen_int and set loop->dont_vectorize.
 687
 688 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 689
 690         PR target/89021
 691         * config/i386/i386-builtin.def: Enable MMX intrinsics with
 692         SSE/SSE2/SSSE3.
 693         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
 694         Likewise.
 695         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
 696         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
 697         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
 698         is defined.
 699
 700 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 701
 702         PR target/89021
 703         * config/i386/mmx.md (*vec_dupv2sf): Changed to
 704         define_insn_and_split to support SSE emulation.
 705         (*vec_extractv2sf_0): Likewise.
 706         (*vec_extractv2sf_1): Likewise.
 707         (*vec_extractv2si_0): Likewise.
 708         (*vec_extractv2si_1): Likewise.
 709         (*vec_extractv2si_zext_mem): Likewise.
 710         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
 711         (vec_extractv2sf_1 splitter): Likewise.
 712         (vec_extractv2sfsf): Likewise.
 713         (vec_setv2si): Likewise.
 714         (vec_extractv2si_1 splitter): Likewise.
 715         (vec_extractv2sisi): Likewise.
 716         (vec_setv4hi): Likewise.
 717         (vec_extractv4hihi): Likewise.
 718         (vec_setv8qi): Likewise.
 719         (vec_extractv8qiqi): Likewise.
 720         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 721         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
 722         (vec_extractv2sisi): Likewise.
 723         (vec_extractv4hihi): Likewise.
 724         (vec_extractv8qiqi): Likewise.
 725         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 726         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
 727         (vec_initv2sisi): Likewise.
 728         (vec_initv4hihi): Likewise.
 729         (vec_initv8qiqi): Likewise.
 730         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
 731         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
 732         (vec_setv4hi): Likewise.
 733         (vec_setv8qi): Likewise.
 734
 735 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 736
 737         PR target/89021
 738         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
 739         TARGET_MMX_WITH_SSE.
 740         (MMXMODE:*mov<mode>_internal): Likewise.
 741         (MMXMODE:movmisalign<mode>): Likewise.
 742
 743 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
 744
 745         PR target/89021
 746         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
 747         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
 748         (sse2_cvtpd2pi): Ditto.
 749         (sse2_cvttpd2pi): Ditto.
 750         (*vec_concatv2sf_sse4_1): Ditto.
 751         (*vec_concatv2sf_sse): Ditto.
 752         (*vec_concatv2si_sse4_1): Ditto.
 753         (*vec_concatv2si): Ditto.
 754         (*vec_concatv4si_0): Ditto.
 755         (*vec_concatv2di_0): Ditto.
 756
 757 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 758
 759         PR target/89021
 760         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
 761
 762 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 763
 764         PR target/89021
 765         * config/i386/sse.md (ssse3_palignrdi): Changed to
 766         define_insn_and_split to support SSE emulation.
 767
 768 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 769
 770         PR target/89021
 771         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
 772
 773 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 774
 775         PR target/89021
 776         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
 777         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 778         SSE emulation.
 779
 780 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 781
 782         PR target/89021
 783         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
 784         or TARGET_MMX_WITH_SSE.
 785         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
 786
 787 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 788
 789         PR target/89021
 790         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
 791
 792 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 793
 794         PR target/89021
 795         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
 796         Changed to define_insn_and_split to support SSE emulation.
 797
 798 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 799
 800         PR target/89021
 801         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
 802         Changed to define_insn_and_split to support SSE emulation.
 803
 804 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 805
 806         PR target/89021
 807         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
 808         (*mmx_<emms>): This.
 809         (mmx_<emms>): New expander.
 810
 811 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 812
 813         PR target/89021
 814         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
 815         support.
 816         (*sse2_umulv1siv1di3): Add SSE2 emulation.
 817
 818 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 819
 820         PR target/89021
 821         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
 822
 823 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 824
 825         PR target/89021
 826         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
 827
 828 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 829
 830         PR target/89021
 831         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
 832         TARGET_MMX_WITH_SSE.
 833         (*mmx_uavgv4hi3): Add SSE emulation.
 834
 835 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 836
 837         PR target/89021
 838         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
 839         and TARGET_MMX_WITH_SSE.
 840         (*mmx_uavgv8qi3): Add SSE emulation.
 841
 842 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 843
 844         PR target/89021
 845         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
 846         maskmovdqu for __MMX_WITH_SSE__.
 847
 848 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 849
 850         PR target/89021
 851         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
 852         TARGET_MMX and TARGET_MMX_WITH_SSE.
 853         (*mmx_umulv4hi3_highpart): Add SSE emulation.
 854
 855 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 856
 857         PR target/89021
 858         * config/i386/mmx.md (mmx_pmovmskb): Changed to
 859         define_insn_and_split to support SSE emulation.
 860
 861 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 862
 863         PR target/89021
 864         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
 865         and TARGET_MMX_WITH_SSE.
 866         (mmx_<code>v8qi3): Likewise.
 867         (smaxmin:<code>v4hi3): New.
 868         (umaxmin:<code>v8qi3): Likewise.
 869         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
 870         (umaxmin:*mmx_<code>v8qi3): Likewise.
 871
 872 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 873
 874         PR target/89021
 875         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
 876         TARGET_MMX_WITH_SSE.
 877         (*mmx_pinsrw): Add SSE emulation.
 878
 879 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 880
 881         PR target/89021
 882         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
 883
 884 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 885
 886         PR target/89021
 887         * config/i386/sse.md (sse_cvtpi2ps): Changed to
 888         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 889         SSE emulation.
 890
 891 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 892
 893         PR target/89021
 894         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
 895         (sse_cvttps2pi): Likewise.
 896
 897 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 898
 899         PR target/89021
 900         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
 901         TARGET_MMX_WITH_SSE.
 902         (mmx_pshufw_1): Add SSE emulation.
 903         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
 904         TARGET_MMX_WITH_SSE to support SSE emulation.
 905
 906 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 907
 908         PR target/89021
 909         * config/i386/constraints.md (Yw): New constraint.
 910         * config/i386/mmx.md (*vec_dupv2si): Changed to
 911         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
 912         support SSE emulation.
 913
 914 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 915
 916         PR target/89021
 917         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
 918         TARGET_MMX_WITH_SSE.
 919         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
 920         support.
 921         (mmx_gt<mode>3): Likewise.
 922
 923 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 924
 925         PR target/89021
 926         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
 927         TARGET_MMX_WITH_SSE.  Add SSE support.
 928
 929 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 930
 931         PR target/89021
 932         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
 933         TARGET_MMX_WITH_SSE.
 934         (any_logic:<code><mode>3): New.
 935         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
 936         Add SSE support.
 937
 938 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 939
 940         PR target/89021
 941         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
 942         TARGET_MMX_WITH_SSE.  Add SSE emulation.
 943         (mmx_<shift_insn><mode>3): Likewise.
 944         (ashr<mode>3): New.
 945         (<shift_insn><mode>3): Likewise.
 946
 947 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 948
 949         PR target/89021
 950         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
 951         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
 952
 953 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 954
 955         PR target/89021
 956         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
 957         TARGET_MMX_WITH_SSE.
 958         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
 959         SSE support.
 960
 961 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 962
 963         PR target/89021
 964         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
 965         TARGET_MMX_WITH_SSE.
 966         (mulv4hi3): New.
 967         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
 968         support.
 969
 970 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 971
 972         PR target/89021
 973         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
 974         (plusminus:mmx_<plusminus_insn><mode>3): Check
 975         TARGET_MMX_WITH_SSE.
 976         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
 977         (<plusminus_insn><mode>3): New.
 978         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
 979         (*mmx_<plusminus_insn><mode>3): Likewise.
 980
 981 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 982
 983         PR target/89021
 984         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
 985         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
 986         prototype.
 987         * config/i386/mmx.m (mmx_punpckhbw): Changed to
 988         define_insn_and_split to support SSE emulation.
 989         (mmx_punpcklbw): Likewise.
 990         (mmx_punpckhwd): Likewise.
 991         (mmx_punpcklwd): Likewise.
 992         (mmx_punpckhdq): Likewise.
 993         (mmx_punpckldq): Likewise.
 994
 995 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 996             Uros Bizjak  <ubizjak@gmail.com>
 997
 998         PR target/89021
 999         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1000         New function.
1001         (ix86_split_mmx_pack): Likewise.
1002         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1003         New prototype.
1004         (ix86_split_mmx_pack): Likewise.
1005         * config/i386/i386.md (mmx_isa): New.
1006         (enabled): Also check mmx_isa.
1007         * config/i386/mmx.md (any_s_truncate): New code iterator.
1008         (s_trunsuffix): New code attr.
1009         (mmx_packsswb): Removed.
1010         (mmx_packssdw): Likewise.
1011         (mmx_packuswb): Likewise.
1012         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1013         MMX packsswb/packuswb with SSE2.
1014         (mmx_packssdw): Likewise.
1015         * config/i386/predicates.md (register_mmxmem_operand): New.
1016
1017 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1018
1019         PR target/89021
1020         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1021         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1022         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1023         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1024         (ix86_vector_mode_supported_p): Likewise.
1025         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1026
1027 2019-05-15  Martin Liska  <mliska@suse.cz>
1028
1029         PR middle-end/90478
1030         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1031         Check for overflow.
1032
1033 2019-05-15  Richard Biener  <rguenther@suse.de>
1034
1035         * tree-into-ssa.c (pass_build_ssa::execute): Run
1036         update_address_taken before going into SSA.
1037
1038 2019-05-15  Richard Biener  <rguenther@suse.de>
1039
1040         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1041         as __BIT_FIELD_REF with type with -gimple.
1042
1043 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1044
1045         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1046         semantically equivalent branches (left over after prior refactorings).
1047
1048 2019-05-15  Richard Biener  <rguenther@suse.de>
1049
1050         PR tree-optimization/88828
1051         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1052         bogus check.
1053
1054 2019-05-14  Richard Biener  <rguenther@suse.de>
1055
1056         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1057         as __VIEW_CONVERT with -gimple.
1058
1059 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1060
1061         PR target/82920
1062         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1063         Darwin.
1064
1065 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1066
1067         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1068         define_split to become a define_insn_and_split.
1069
1070 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1071
1072         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1073         arguments.
1074         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1075         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1076         (sibcall_epilogue): Adjust.
1077         (epilogue): Adjust.
1078
1079 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1080
1081         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1082         to unsupported ones.
1083         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1084         * config.host: Likewise.
1085         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1086         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1087         __svr4__]: Remove "brand" fallback.
1088         [!KSTAT_DATA_STRING]: Remove.
1089         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1090         to *-*-solaris2*.
1091         (comdat_group): Likewise.
1092         (set_have_as_tls): Likewise.
1093         (gcc_cv_target_dl_iterate_phdr): Likewise.
1094         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1095         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1096         * configure: Regenerate.
1097         * doc/install.texi: Simplify Solaris target triplets.
1098         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1099         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1100         Remove Solaris 10 references.
1101         Remove obsolete Solaris bug reference.
1102         (Specific, sparc-sun-solaris2.10): Remove.
1103
1104 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1105
1106         * config/i386/i386.md (any_div): New code iterator.
1107         (paired_mod): New code attribute.
1108         (sgnprefix): Handle DIV and UDIV RTXes.
1109         (u): Ditto.
1110         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1111         and udivmod<mode>4 patterns using any_div code iterator.
1112         (divmod splitters): Macroize splitters using any_div code iterator.
1113         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1114         (*udivmodsi4_pow2_zext_2): Ditto.
1115         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1116         and *udivmod<mode>4_noext patterns using any_div code iterator.
1117         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1118         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1119         patterns using any_div code iterator.
1120         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1121         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1122         patterns using any_div code iterator.
1123         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1124         udivmodhiqi3 patterns using any_extend code iterator.
1125
1126 2019-05-14  Richard Biener  <rguenther@suse.de>
1127             H.J. Lu  <hongjiu.lu@intel.com>
1128
1129         PR tree-optimization/88828
1130         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1131         permuting in a single non-constant element not extracted
1132         from a vector.
1133
1134 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1135
1136         * internal-fn.def (SIGNBIT): New.
1137         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1138         defined.
1139         (signbitv4sf2): Likewise.
1140
1141 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1142
1143         PR target/90357
1144         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1145         next insn when the SRC reg is dead.
1146
1147 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1148
1149         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1150         (alloc_cand_and_find_basis): Ditto.
1151         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1152         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1153         (create_add_imm_cand, slsr_process_cast): Ditto.
1154         (slsr_process_copy, replace_mult_candidate): Ditto.
1155         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1156         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1157         (pass_strength_reduction::execute): Init the first NULL element.
1158
1159 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1160
1161         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1162         (run_attempt): Reformat line break.
1163
1164 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1165
1166         PR target/90418
1167         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1168         data registers in sibcall epilogues.
1169         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1170
1171 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1172
1173         PR target/89221
1174         * configure.ac (--enable-frame-pointer):
1175         Disable by default for cygwin and mingw.
1176         * configure: Regenerate.
1177
1178 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1179
1180         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1181         piece of code.
1182         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1183         (gen_member_die): Move abstract origin check earlier.  Only VARs
1184         can be static_inline_p.  Simplify splicing control flow.
1185
1186 2019-05-13  Richard Biener  <rguenther@suse.de>
1187
1188         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1189         VIEW_CONVERT_EXPR.
1190         (vect_build_slp_tree_1): Likewise.
1191
1192 2019-05-13  Richard Biener  <rguenther@suse.de>
1193
1194         PR tree-optimization/90402
1195         * tree-if-conv.c (tree_if_conversion): Value number only
1196         the loop body by making the latch an exit of the region
1197         as well.
1198         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1199         processing PHIs.
1200         (do_rpo_vn): Deal with multiple edges into the entry block
1201         that are not backedges inside the region by skipping PHIs
1202         of the entry block.
1203
1204 2019-05-13  Richard Biener  <rguenther@suse.de>
1205
1206         PR tree-optimization/90316
1207         * tree-ssa-pre.c (insert_aux): Fold into ...
1208         (insert): ... this function.  Use a RPO walk to reduce the
1209         number of required iterations.
1210
1211 2019-05-13  Martin Liska  <mliska@suse.cz>
1212
1213         PR tree-optimization/90416
1214         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1215         string instead of passing the second part as va_arg argument.
1216
1217 2019-05-13  Martin Liska  <mliska@suse.cz>
1218
1219         PR gcov-profile/90380
1220         * gcov.c (handle_cycle): Do not support zero cycle count,
1221         it should not be possible.
1222         (path_contains_zero_cycle_arc): New function.
1223         (circuit): Ignore zero cycle arc counts.
1224
1225 2019-05-13  Martin Liska  <mliska@suse.cz>
1226
1227         PR gcov-profile/90380
1228         * gcov.c (enum loop_type): Remove the enum and
1229         the operator.
1230         (handle_cycle): Assert that we should not reach
1231         a negative count.
1232         (circuit): Use loop_found instead of a tri-state loop_type.
1233         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1234         happen.
1235
1236 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1237
1238         PR target/82920
1239         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1240         (ix86_output_indirect_branch_via_reg): Use output mechanism
1241         accounting for __USER_LABEL_PREFIX__.
1242         (ix86_output_indirect_branch_via_push): Likewise.
1243         (ix86_output_function_return): Likewise.
1244         (ix86_output_indirect_function_return): Likewise.
1245
1246 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1247
1248         * doc/md.texi: Document use of code attributes in rtx patterns.
1249         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1250         * read-rtl.c (find_code): Split out search loops into...
1251         (maybe_find_code): ...this new function.
1252         (check_code_iterator): Make the error message more informative.
1253         (check_code_attribute): New function.
1254         (rtx_reader::rtx_alloc_for_name): Likewise.
1255         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1256         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1257         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1258         <max_opp> directly as an rtx code instead of via a match_operator.
1259         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1260         (<su>abd<mode>_3): Update accordingly.
1261
1262 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1263
1264         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1265         is given, print the state of the EH "save world" computation for
1266         Darwin.
1267
1268 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1269
1270         PR c++/59813
1271         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1272         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1273
1274 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1275
1276         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1277         Use pinsrd for TARGET_SSE4_1.
1278         * config/i386/sse.md (movdi_to_sse): Ditto.
1279
1280 2019-05-10  Richard Biener  <rguenther@suse.de>
1281
1282         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1283         (do_rpo_vn): Initialize next_value_id.
1284
1285 2019-05-10  Martin Liska  <mliska@suse.cz>
1286
1287         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1288         Fix plural form.
1289
1290 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1291
1292         PR tree-optimization/90385
1293         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1294         arguments of the exit phis.
1295
1296         PR c++/90383
1297         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1298         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1299         id->do_not_fold.
1300         (copy_tree_body_r): Likewise.
1301         (copy_fn): Set id.do_not_fold to true.
1302
1303 2019-05-10  Martin Liska  <mliska@suse.cz>
1304
1305         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1306         Reapply changes from r269790.
1307
1308 2019-05-10  Martin Liska  <mliska@suse.cz>
1309
1310         PR middle-end/90340
1311         * doc/invoke.texi: New params.
1312         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1313         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1314         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1315         Use it.
1316         * tree-switch-conversion.h (struct jump_table_cluster):
1317         Likewise.
1318
1319 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1320
1321         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1322
1323 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1324
1325         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1326
1327 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1328
1329         PR rtl-optimization/88879
1330         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1331
1332 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1333
1334         PR target/90405
1335         * config/arm/arm.c (callee_saved_reg_p): Move before
1336         thumb_find_work_register.
1337         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1338         thumb_find_work_register.  Only call df_get_live_out once.
1339         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1340         (thumb_find_work_register): Use
1341         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1342         algorithms to locate a spare call clobbered reg.
1343
1344 2019-05-09  Martin Liska  <mliska@suse.cz>
1345
1346         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1347         and MAX_EXPR in GIMPLE FE format.
1348
1349 2019-05-09  Martin Liska  <mliska@suse.cz>
1350
1351         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1352         * gimple-pretty-print.c (dump_gimple_bb_header):
1353         Dump BB count.
1354         (pp_cfg_jump): Dump edge probability.
1355         * profile-count.c (profile_quality_as_string): Simplify
1356         with a static array.
1357         (parse_profile_quality): New function.
1358         (profile_count::dump): Simplify with a static array.
1359         (profile_count::from_gcov_type): Add new argument.
1360         * profile-count.h (parse_profile_quality): Likewise.
1361         * predict.h (set_hot_bb_threshold): New.
1362         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1363         New param.
1364         * predict.c (get_hot_bb_threshold): Set from the new param.
1365         (set_hot_bb_threshold): New.
1366
1367 2019-05-09  Richard Biener  <rguenther@suse.de>
1368
1369         PR tree-optimization/90395
1370         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1371         rewrite vector stores that throw internally.
1372
1373 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1374
1375         * cif-code.def (CHKP): Remove.
1376
1377         PR target/89221
1378         * configure.ac (--enable-frame-pointer): Disable by default for
1379         GNU systems.
1380         * configure: Regenerate.
1381
1382 2019-05-09  Alan Modra  <amodra@gmail.com>
1383
1384         PR target/89271
1385         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1386         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1387         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1388         cost for general <-> vsx when direct moves are available.
1389         Cost union classes at minimal cost for any reg in the class.
1390         Correct calculation for moves between vsx, float, and altivec.
1391         Don't return a low cost for moves between special regs.  Don't
1392         use hard coded register numbers.
1393         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1394         (rs6000_ira_change_pseudo_allocno_class): New function.
1395         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1396         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1397         alternatives.
1398         (movsi_internal1): Don't disparage vector alternatives.
1399         (mov<mode>_internal): Likewise, excepting alternative that
1400         will be split.
1401         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1402         we <- b alternative.
1403
1404 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1405
1406         PR c++/59813
1407         PR tree-optimization/89060
1408         * tree-ssa-live.h (live_vars_map): New typedef.
1409         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1410         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1411         (struct compute_live_vars_data): New type.
1412         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1413         live_vars_at_stmt, destroy_live_vars): New functions.
1414         * tree-tailcall.c: Include tree-ssa-live.h.
1415         (live_vars, live_vars_vec): New global variables.
1416         (find_tail_calls): Perform variable life analysis before punting.
1417         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1418         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1419         member.
1420         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1421         Perform variable life analysis to select variables that really need
1422         clobbers added.
1423         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1424         instead set id->eh_landing_pad_dest and assert it is the same.
1425         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1426
1427 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1428             Richard Earnshaw  <rearnsha@arm.com>
1429
1430         PR target/88167
1431         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1432         function.
1433         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1434         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1435         register if both the epilogue and prologue can use call-clobbered
1436         regs.
1437         (thumb1_unexpanded_epilogue): Use
1438         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1439         picking temporaries for restoring high regs to match that of the
1440         prologue where possible.
1441         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1442         the list of work registers.  Detect if the return address is still live
1443         at the end of the prologue and avoid using it for a work register if so.
1444         If the return address is not live, add LR to the list of pushable regs
1445         after the first pass.
1446
1447 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1448
1449         PR tree-optimization/90078
1450         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1451         (INFTY): Increase the value for infinite cost.
1452         (struct comp_cost): Promote type of members to int64_t.
1453         (infinite_cost): Don't set complexity in initialization.
1454         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1455         overflows to infinite_cost.
1456         (adjust_setup_cost): Promote type of parameter and cost computation
1457         to int64_t.
1458         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1459         int64_t.
1460         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1461         cost computation to int64_t.
1462         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1463         int64_t's format specifier in dump.
1464
1465 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1466
1467         PR tree-optimization/90240
1468         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1469         with respect to scaling factor pre-computed for each basic block.
1470         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1471         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1472         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1473         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1474         live range for array of loop's basic blocks.  Cleanup aux field of
1475         loop's basic blocks.
1476
1477 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR tree-optimization/90356
1480         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1481
1482 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1483
1484         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
1485         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
1486         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
1487         (ix86_handle_option): Handle -mavx512bf16.
1488         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
1489         to extra_headers.
1490         * config/i386/avx512bf16vlintrin.h: New.
1491         * config/i386/avx512bf16intrin.h: New.
1492         * config/i386/cpuid.h (bit_AVX512BF16): New.
1493         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
1494         * config/i386/i386-builtin-types.def: Add new types.
1495         * config/i386/i386-builtin.def: Add new builtins.
1496         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1497         __AVX512BF16__.
1498         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
1499         (ix86_option_override_internal): Handle BF16.
1500         (ix86_valid_target_attribute_inner_p): Ditto.
1501         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
1502         * config/i386/i386-builtin.c (enum processor_features): Add
1503         F_AVX512BF16.
1504         (static const _isa_names_table isa_names_table): Ditto.
1505         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
1506         (PTA_AVX512BF16): Ditto.
1507         * config/i386/i386.opt: Add -mavx512bf16.
1508         * config/i386/immintrin.h: Include avx512bf16intrin.h
1509         and avx512bf16vlintrin.h.
1510         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
1511         avx512f_cvtneps2bf16_<mode><mask_name>,
1512         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
1513         * config/i386/subst.md (mask_half): Add new subst.
1514         * doc/invoke.texi: Document -mavx512bf16.
1515
1516 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
1517
1518         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
1519         Delete declaration.
1520         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
1521         (rs6000_debug_legitimize_reload_address): Delete.
1522         (rs6000_legitimize_reload_address_ptr): Delete.
1523         (rs6000_option_override_internal): Adjust.
1524         (mem_operand_gpr): Adjust comment.
1525         (legitimate_lo_sum_address_p): Ditto.
1526         (rs6000_legitimize_reload_address): Delete.
1527         (rs6000_debug_legitimize_reload_address): Delete.
1528         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
1529
1530 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1531
1532         PR target/89765
1533         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1534         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
1535         to compute vector element selector for both constant and variable
1536         operands.
1537
1538 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1539
1540         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
1541         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
1542         ashrdi3_cvt using SWI48 mode iterator.
1543
1544 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1545
1546         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
1547         (aarch64_<su>abd<mode>_3): Likewise.
1548         (*aarch64_<su>abd<mode>_3): New define_insn.
1549         (<sur>sad<vsi2qi>): New define_expand.
1550         * config/aarch64/iterators.md: Added MAX_OPP attribute.
1551         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
1552         (build_vect_cond_expr): Likewise.
1553
1554 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1555
1556         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
1557         clobbers outside of accessible_reg_set.
1558         * config/i386/i386.c (ix86_conditional_register_usage):
1559         Disable register sets by clearing corresponding bits in
1560         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
1561         call_used_regs and don't clear corresponding reg_names array members.
1562
1563 2019-05-07  Richard Biener  <rguenther@suse.de>
1564
1565         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
1566         not specified still compute a comp_vectype for invariant
1567         compares.
1568
1569 2019-05-07  Richard Biener  <rguenther@suse.de>
1570
1571         PR tree-optimization/90316
1572         * tree-ssa-pre.c (translate_vuse_through_block): When
1573         same_valid is NULL do not bother to search for a virtual
1574         PHI continuation.
1575         (phi_translate_1): When operands changed we cannot keep
1576         the same value-number so do not bother to ask whether
1577         that's possible from translate_vuse_through_block.
1578
1579 2019-05-07  Martin Liska  <mliska@suse.cz>
1580
1581         * bitmap.c (bitmap_register): Come up with
1582         alloc_descriptor_max_uid and assign it for
1583         a new bitmap.
1584         (register_overhead): Use get_descriptor as
1585         a descriptor.
1586         (release_overhead): New.
1587         (bitmap_elem_to_freelist): Call it.
1588         (bitmap_elt_clear_from): Likewise.
1589         (bitmap_obstack_free): Likewise.
1590         (bitmap_move): Sensitively release memory.
1591         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
1592         (bitmap_initialize): Initialize alloc_descriptor to zero.
1593         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
1594
1595 2019-05-07  Richard Biener  <rguenther@suse.de>
1596
1597         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
1598         we build a SLP node.  Remove max_size and limiting.
1599         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
1600
1601 2019-05-07  Richard Biener  <rguenther@suse.de>
1602
1603         PR tree-optimization/90316
1604         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
1605         limit by reference.
1606         (walk_non_aliased_vuses): Take walking limit argument.
1607         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
1608         walking if it is reached instead of just counting.
1609         (get_continuation_for_phi): Likewise.
1610         (walk_non_aliased_vuses): Likewise, instead of leaving counter
1611         limiting to the callback.
1612         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
1613         (vn_reference_lookup_3): Likewise.
1614         (vn_reference_lookup_pieces): Likewise.
1615         (vn_reference_lookup): Likewise.
1616         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
1617         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
1618         (avail_exprs_stack::lookup_avail_expr): Likewise.
1619
1620 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
1621
1622         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
1623         for comparaible types in the second direction even if first one
1624         hits incomparable type.
1625
1626 2019-05-07  Richard Biener  <rguenther@suse.de>
1627
1628         PR lto/90369
1629         * lto-wrapper.c (debug_objcopy): Use the original filename
1630         including archive offset for the filename used for -save-temps.
1631
1632 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
1633
1634         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
1635         detection.
1636
1637 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1638
1639         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
1640         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
1641         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
1642         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
1643         (FRAME_POINTER_REGNUM): Change numbering.
1644         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
1645         (alt_reg_names): Adjust.
1646         (rs6000_conditional_register_usage): Don't mark hard register 64 as
1647         fixed.
1648         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1649         (DWARF_FRAME_REGISTERS): Delete.
1650         (DWARF2_FRAME_REG_OUT): Fix whitespace.
1651         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1652         Adjust.
1653         (REG_ALLOC_ORDER): Adjust.
1654         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
1655         (REG_CLASS_CONTENTS): Adjust.
1656         (RETURN_ADDR_RTX): Change comment.
1657         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
1658         instead of 67.
1659         (REGISTER_NAMES): Adjust.
1660         (ADDITIONAL_REGISTER_NAMES): Adjust.
1661         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1662
1663 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1664
1665         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
1666         Delete.
1667         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1668         (DWARF_FRAME_REGISTERS): Adjust.
1669         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1670         Adjust.
1671         (REG_ALLOC_ORDER): Adjust.
1672         (enum reg_class): Delete SPR_REGS.
1673         (REG_CLASS_NAMES): Delete SPR_REGS.
1674         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
1675         (REGISTER_NAMES): Adjust.
1676         (ADDITIONAL_REGISTER_NAMES): Adjust.
1677         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1678         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
1679         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
1680         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
1681         (htm_spr_regno): Delete.
1682         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
1683         argument.
1684         (rs6000_dbx_register_number): Adjust.
1685
1686 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1687
1688         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
1689
1690 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1691
1692         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
1693         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
1694
1695 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR tree-optimization/88709
1698         PR tree-optimization/90271
1699         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
1700         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
1701         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
1702         variable.
1703         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
1704         of the store merging group is larger than
1705         PARAM_STORE_MERGING_MAX_SIZE parameter.
1706         (split_group): Add bzero_first argument.  If set, always emit first
1707         the first store which must be = {} of the whole area and then for the
1708         rest of the stores consider all zero bytes as paddings.
1709         (imm_store_chain_info::output_merged_store): Check if first store
1710         is = {} of the whole area and if yes, determine which setting of
1711         bzero_first for split_group gives smaller number of stores.  Adjust
1712         split_group callers.
1713         (lhs_valid_for_store_merging_p): Allow decls.
1714         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
1715         no elts.
1716         (pass_store_merging::process_store): Likewise.
1717
1718 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1719
1720         PR target/89424
1721         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
1722         handling of V1TImode.
1723
1724 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
1725
1726         PR target/89221
1727         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
1728         and enable_frame_pointer ...
1729         * configure.ac: ... here.  Update help strings for
1730         --enable-frame-pointer.
1731         * configure: Regenerate.
1732         * config/i386/i386-options.c (ix86_option_override_internal): Remove
1733         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
1734         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
1735         (USE_X86_64_FRAME_POINTER): Ditto.
1736
1737 2019-05-06  Martin Liska  <mliska@suse.cz>
1738
1739         * config.gcc: Append to target_gtfiles and fix indentation.
1740
1741 2019-05-06  Richard Biener  <rguenther@suse.de>
1742
1743         PR tree-optimization/90358
1744         * tree-vect-stmts.c (get_group_load_store_type): Properly
1745         detect unused upper half of load.
1746         (vectorizable_load): Likewise.
1747
1748 2019-05-06  Richard Biener  <rguenther@suse.de>
1749
1750         PR tree-optimization/88828
1751         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
1752         (simplify_vector_constructor): ...here.  Handle constants in
1753         the constructor.
1754
1755 2019-05-06  Richard Biener  <rguenther@suse.de>
1756
1757         PR tree-optimization/90328
1758         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
1759         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
1760         is valid in the loop nest before using it.
1761         (initialize_data_dependence_relation): Adjust.
1762         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
1763         loop as loop-nest to dr_may_alias_p.
1764
1765 2019-05-06  Richard Biener  <rguenther@suse.de>
1766
1767         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
1768
1769 2019-05-06  Richard Biener  <rguenther@suse.de>
1770
1771         PR tree-optimization/90316
1772         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
1773         compute target on demand.
1774         (get_continuation_for_phi): Remove code walking stmts to
1775         get to a target virtual operand which could end up being
1776         quadratic.
1777
1778 2019-05-06  Martin Liska  <mliska@suse.cz>
1779
1780         PR sanitizer/90312
1781         * config/i386/i386-options.c (ix86_option_override_internal): Error only
1782         when -mabi is selected to a non-default version.
1783
1784 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
1785             Martin Liska  <mliska@suse.cz>
1786
1787         * Makefile.in: Add lto-dump.texi.
1788         * cgraph.h: Add new functions get_visibility_string and
1789         get_symtab_type_string.
1790         * doc/gcc.texi: Include lto-dump section.
1791         * doc/lto-dump.texi: New file.
1792         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
1793         (parse_dump_option): Factor out this function.
1794         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
1795         (parse_dump_option): Export the function.
1796         * symtab.c (symtab_node::get_visibility_string): New function.
1797         (symtab_node::get_symtab_type_string): Likewise.
1798
1799 2019-05-06  Martin Liska  <mliska@suse.cz>
1800
1801         * config/i386/i386-builtins.c: New file.
1802         * config/i386/i386-builtins.h: New file.
1803         * config/i386/i386-expand.c: New file.
1804         * config/i386/i386-expand.h: New file.
1805         * config/i386/i386-features.c: New file.
1806         * config/i386/i386-features.h: New file.
1807         * config/i386/i386-options.c: New file.
1808         * config/i386/i386-options.h: New file.
1809         * config.gcc: Add new files into extra_objs and
1810         target_gtfiles.
1811         * config/i386/i386.c: Split content of the file
1812         into newly introduced files.
1813         * config/i386/i386.h: Declare common variables
1814         and macros.
1815         * config/i386/t-i386: Define dependencies for new files.
1816
1817 >>>>>>> .r270937
1818 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
1819
1820         PR target/89400
1821         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
1822         Restrict 'all' variant to 32-bit configurations.
1823         (unaligned_loadhiu): Likewise.
1824         (unaligned_storehi): Likewise.
1825         (unaligned_storesi): Likewise.
1826         (unaligned_loadhis): Disable when compiling for thumb1.
1827
1828 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
1829
1830         PR tree-optimization/90269
1831         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
1832         Ignore clobbers.
1833
1834 2019-05-03  Martin Liska  <mliska@suse.cz>
1835
1836         * hash-map.h: Add is_empty function.
1837         * hash-set.h: Likewise.
1838         * hash-table.h: Likewise.
1839         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
1840         elements () == 0 (and similar usages).
1841         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
1842         * gimplify.c (gimplify_bind_expr): Likewise.
1843         (gimplify_switch_expr): Likewise.
1844         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
1845         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
1846         * postreload-gcse.c (dump_hash_table): Likewise.
1847         (gcse_after_reload_main): Likewise.
1848         * predict.c (combine_predictions_for_bb): Likewise.
1849         * tree-parloops.c (reduction_phi): Likewise.
1850         (separate_decls_in_region): Likewise.
1851         (transform_to_exit_first_loop): Likewise.
1852         (gen_parallel_loop): Likewise.
1853         (gather_scalar_reductions): Likewise.
1854         (try_create_reduction_list): Likewise.
1855         * var-tracking.c (dump_vars): Likewise.
1856         (emit_notes_for_changes): Likewise.
1857         (vt_emit_notes): Likewise.
1858
1859 2019-05-03  Richard Biener  <rguenther@suse.de>
1860
1861         PR tree-optimization/90316
1862         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
1863         before running VN.
1864
1865 2019-05-03  Richard Biener  <rguenther@suse.de>
1866
1867         * tree-vect-stmts.c (get_group_load_store_type): Avoid
1868         peeling for gaps by loading only lower halves of vectors
1869         if possible.
1870         (vectorizable_load): Likewise.
1871
1872 2019-05-03  Richard Biener  <rguenther@suse.de>
1873
1874         PR middle-end/89518
1875         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
1876
1877 2019-05-03  Richard Biener  <rguenther@suse.de>
1878
1879         PR middle-end/87314
1880         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
1881         Handle STRING_CST vs DECL or STRING_CST.
1882
1883 2019-05-03  Richard Biener  <rguenther@suse.de>
1884
1885         PR tree-optimization/88963
1886         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
1887         vector loads feeding only BIT_FIELD_REFs to component
1888         loads.  Rewrite stores fed by CONSTRUCTORs to component
1889         stores.
1890
1891 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
1892
1893         * opts.h (finish_options): Remove lang_mask argument.
1894         (print_help, help_option_argument): Declare.
1895         * opts.c (print_help): Remove forward declaration, no longer static.
1896         (finish_options): Remove lang_mask argument, don't call print_help
1897         here.
1898         * opts-global.c (decode_options): Adjust finish_option caller, call
1899         print_help here.
1900
1901         PR tree-optimization/90303
1902         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
1903         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
1904
1905 2019-05-03  Richard Biener  <rguenther@suse.de>
1906
1907         PR tree-optimization/89698
1908         * gimple-fold.c (canonicalize_constructor_val): Early out
1909         for constants, handle unfolded INTEGER_CSTs as they appear in
1910         C++ virtual table ctors.
1911
1912 2019-05-03  Richard Biener  <rguenther@suse.de>
1913
1914         * passes.c (execute_function_todo): Remove dead code.
1915
1916 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
1917
1918         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
1919         the internal register number, for any "real" register.
1920
1921 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
1922
1923         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
1924         correct numbers for TFHAR, TFIAR, TEXASR.
1925
1926 2019-05-02  Richard Biener  <rguenther@suse.de>
1927
1928         PR tree-optimization/89653
1929         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
1930         update-address-taken before the pass.
1931         * passes.def (pass_tree_loop_init): Put comment before it.
1932
1933 2019-05-02  Richard Biener  <rguenther@suse.de>
1934
1935         PR tree-optimization/89509
1936         * tree-ssa-structalias.c (compute_dependence_clique): Look
1937         at the first subvar when determining whether it is restrict.
1938
1939 2019-05-02  Richard Biener  <rguenther@suse.de>
1940
1941         PR tree-optimization/90273
1942         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
1943         useless debug stmts.
1944
1945 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1946
1947         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
1948         ACLE branch.
1949         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
1950         SVE ACLE branch.
1951         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
1952         VEC_COND_EXPR be inserted to emulate a conditional internal function.
1953         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
1954         (vectorizable_reduction): Use the functions above to vectorize in a
1955         fully masked loop codes that don't have a conditional internal
1956         function.
1957
1958 2019-05-02  Martin Liska  <mliska@suse.cz>
1959
1960         * cgraphclones.c: Call valid_attribute_p with 1 for
1961         target_clone.
1962         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
1963         it's for target attribute.
1964         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
1965         Add new boolean argument.
1966         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
1967         Likewise.
1968         (ix86_valid_target_attribute_tree): Pass target_clone_attr
1969         to ix86_valid_target_attribute_inner_p.
1970         (ix86_valid_target_attribute_p): Pass flags argument to
1971         ix86_valid_target_attribute_inner_p.
1972         (get_builtin_code_for_version): Use 0 as it's target attribute.
1973
1974 2019-05-02  Martin Liska  <mliska@suse.cz>
1975
1976         * gcc.c (process_command): Add dummy file only
1977         if n_infiles == 0.
1978         * opts-global.c (decode_options): Pass lang_mask.
1979         * opts.c (print_help): New function.
1980         (finish_options): Print --help if help_option_argument
1981         is set.
1982         (common_handle_option): Factor out content of OPT__help_
1983         into print_help.
1984         * opts.h (finish_options): Add new argument.
1985
1986 2019-05-02  Martin Liska  <mliska@suse.cz>
1987
1988         PR target/88809
1989         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
1990         With -minline-all-stringops use inline expansion using 4B loop.
1991         * doc/invoke.texi: Document the change of
1992         -minline-all-stringops.
1993
1994 2019-05-01  Jeff Law  <law@redhat.com>
1995
1996         PR tree-optimization/88797
1997         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
1998         PHI feeds a conditional on the RHS of an assignment.
1999
2000 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2001             Jim Wilson  <jimw@sifive.com>
2002
2003         * config/riscv/constraints.md (L): New.
2004         * config/riscv/predicates.md (lui_operand): New.
2005         (sfb_alu_operand): New.
2006         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2007         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2008         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2009         * config/riscv/risc.md (type): Add sfb_alu.
2010         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2011         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2012         (branch_zero<mode>): Delete.
2013         (mov<mode>cc): New.
2014         (mov<GPR:mode><X:mode>cc): Likewise.
2015         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2016
2017 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2018
2019         * tree.h (MARK_TS_EXP): New.
2020
2021 2019-04-30  Martin Liska  <mliska@suse.cz>
2022
2023         * opts.c (enable_warning_as_error): Provide hints
2024         for unknown options.
2025
2026 2019-04-30  Martin Liska  <mliska@suse.cz>
2027
2028         PR debug/90288
2029         * doc/invoke.texi: Add missing dash for gas-locview-support
2030         and gno-as-locview-support.
2031
2032 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2033
2034         PR target/89093
2035         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2036         whitespace at the start of target attribute string.
2037
2038 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2039
2040         PR target/86538
2041         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2042         Define __ARM_FEATURE_ATOMICS.
2043
2044 2019-04-30  Martin Liska  <mliska@suse.cz>
2045
2046         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2047         into built_in_function enum. Remove code for endp == 2 and
2048         use BUILT_IN_* constants.
2049         (gimple_fold_builtin): Call the function with fcode.
2050
2051 2019-04-30  Martin Liska  <mliska@suse.cz>
2052
2053         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2054         DECL_FUNCTION_CODE into ix86_builtins enum before
2055         the switch statement.
2056
2057 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2058
2059         PR tree-optimization/89475
2060         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2061         calls.
2062
2063 2019-04-30  Martin Liska  <mliska@suse.cz>
2064
2065         PR translation/90274
2066         * opts.c (print_filtered_help): Wrap string in _(...).
2067
2068 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2069
2070         PR tree-optimization/90240
2071         Revert:
2072         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2073
2074         PR tree-optimization/90078
2075         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2076         checks for infinite_cost overflow.
2077
2078 2019-04-29  Jeff Law  <law@redhat.com>
2079
2080         * passes.def: Move -Wrestrict pass after copy propagation.
2081
2082 2019-04-29  Maya Rashish  <coypu@sdf.org>
2083
2084         * config.gcc (default_gnu_indirect_function): Default to yes
2085         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2086         sparc*-*-netbsd*, x86_64-*-netbsd*.
2087
2088 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2089
2090         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2091         where cond2 is NE_EXPR.
2092         (is_value_included_in): Update comment.
2093
2094 2019-04-29  Richard Biener  <rguenther@suse.de>
2095
2096         PR tree-optimization/90278
2097         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2098         EH on comparison simplification.
2099
2100 2019-04-29  Jason Merrill  <jason@redhat.com>
2101
2102         PR c++/82081 - tail call optimization breaks noexcept
2103         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2104         nothrow function to a might-throw function into a tail call.
2105
2106 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2107
2108         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2109         (DDR_INNER_LOOP): Likewise.
2110         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2111         (initialize_data_dependence_relation): Likewise.
2112         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2113
2114 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2115
2116         PR rtl-optimization/90257
2117         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2118         return value.
2119
2120         Revert the revert:
2121         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2122
2123         PR target/90178
2124         Revert:
2125         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2126
2127         Revert the revert:
2128         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2129
2130         Revert:
2131         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2132
2133         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2134
2135 2019-04-29  Richard Biener  <rguenther@suse.de>
2136
2137         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2138         rhs issue a reset.
2139
2140 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2141
2142         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2143         varasm.h, and netbsd-protos.h.
2144
2145 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2146
2147         PR target/89261
2148         * config/i386/i386-protos.h (ix86_data_alignment): Change
2149         the second argument type to unsigned int.
2150         * config/i386/i386.c (ix86_data_alignment): Change "align"
2151         argument type to unsigned int.
2152
2153 2019-04-27  Martin Liska  <mliska@suse.cz>
2154
2155         PR middle-end/90258
2156         * opt-suggestions.c (option_proposer::build_option_suggestions):
2157         When get_valid_option_values returns empty values, add the
2158         misspelling candidate.
2159
2160 2019-04-26  Jim Wilson  <jimw@sifive.com>
2161
2162         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2163         parameter.
2164         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2165         Pass orig_mode to riscv_build_integer.
2166         (riscv_split_integer): Pass mode to riscv_move_integer.
2167         (riscv_legitimize_const_move): Likewise.
2168         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2169         promoted_mode.  Replace force_reg call with code to load constant into
2170         promoted reg and then subreg it for the store.
2171         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2172         riscv_move_integer.
2173
2174 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2175
2176         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2177         corrupt codes.
2178
2179 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2180
2181         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2182         commentary about the encoding of precision.
2183
2184 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2185
2186         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2187         * config/i386/t-freebsd64: New file.
2188         * config.gcc: Add the t-freebsd64 for multilib support.
2189
2190 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2191
2192         * doc/extend.texi (vector_size): Add missing comma after @xref.
2193
2194 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2195
2196         * BASE-VER: Set to 10.0.0.
2197
2198 2019-04-25  Richard Biener  <rguenther@suse.de>
2199
2200         PR middle-end/89765
2201         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2202         VIEW_CONVERT_EXPR into one operating on an rvalue.
2203
2204 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2205
2206         PR target/89929
2207         * config/i386/i386.c (feature_priority): Moved to file scope.
2208         (processor_features): Likewise.
2209         (processor_model): Likewise.
2210         (_arch_names_table): Likewise.
2211         (arch_names_table): Likewise.
2212         (_feature_list): Removed.
2213         (feature_list): Likewise.
2214         (_isa_names_table): Moved to file scope.  Add priority.
2215         (isa_names_table): Likewise.
2216         (get_builtin_code_for_version): Replace feature_list with
2217         isa_names_table.  Update error message for P_ZERO priority.
2218
2219 2019-04-25  Richard Biener  <rguenther@suse.de>
2220
2221         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2222         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2223
2224 2019-04-24  Jeff Law  <law@redhat.com>
2225
2226         PR tree-optimization/90037
2227         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2228         * passes.def: Replace all instance of phi-only cprop with the
2229         lattice propagator.  Move propagation pass from after erroneous
2230         path isolation to before erroneous path isolation.
2231         * tree-ssa-phionlycprop.c: Remove.
2232
2233 2019-04-24  Richard Biener  <rguenther@suse.de>
2234
2235         PR middle-end/90213
2236         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2237         by size and BITS_PER_UNIT on poly-wide-ints.
2238
2239 2019-04-25  Richard Biener  <rguenther@suse.de>
2240
2241         PR middle-end/90194
2242         * match.pd: Add pattern to simplify view-conversion of an
2243         empty constructor.
2244
2245 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2246
2247         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2248         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2249         for Go on 32 bit AIX.
2250         * config/rs6000/aix72.h: Likewise.
2251
2252 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2253
2254         PR target/90193
2255         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2256         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2257
2258 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2259
2260         PR target/89952
2261         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2262         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2263         for restored hard frame pointer.
2264         (s390_sched_dependencies_evaluation): Implement new target hook.
2265         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2266
2267 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2268
2269         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2270         * config/arc/arc.c (arc_init): Cleanup warning message.
2271         (arc_override_options): Likewise.
2272
2273 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2274
2275         PR target/90187
2276         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2277         a register if both if_true and if_false are MEMs.
2278
2279         PR tree-optimization/90208
2280         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2281         after labels of new_bb, not before them.
2282
2283         PR tree-optimization/90211
2284         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2285         which are not SSA_NAMEs.
2286
2287 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2288
2289         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2290         AArch64.
2291         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2292
2293 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2294
2295         PR rtl-optimization/87979
2296         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2297         not equal zero.
2298
2299 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2300
2301         PR rtl-optimization/84032
2302         * modulo-sched.c (ps_insn_find_column): Change condition so that
2303         branch will always be the last insn in a row inside partial
2304         schedule.
2305
2306 2019-04-23  Richard Biener  <rguenther@suse.de>
2307
2308         PR debug/90131
2309         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2310         dest_single_pred_p argument.
2311         (remove_forwarder_block): Adjust.
2312         (remove_forwarder_block_with_phi): Likewise.
2313
2314 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2315             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2316             Jakub Jelinek  <jakub@redhat.com>
2317
2318         PR target/89093
2319         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2320         if used with general-regs-only.
2321         (arm_conditional_register_usage): Don't add non-general regs if
2322         general-regs-only.
2323         (arm_valid_target_attribute_rec): Handle general-regs-only.
2324         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2325         general-regs-only.
2326         (TARGET_HARD_FLOAT_SUB): Define.
2327         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2328         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2329         (TARGET_REALLY_IWMMXT2): Likewise.
2330         * config/arm/arm.opt: Add -mgeneral-regs-only.
2331         * doc/extend.texi: Document ARM general-regs-only target.
2332         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2333
2334 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2335
2336         PR tree-optimization/90078
2337         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2338         checks for infinite_cost overflow.
2339
2340 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2341
2342         PR tree-optimization/90021
2343         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2344         and check univariate against it.
2345         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2346         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2347
2348 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2349
2350         PR target/90178
2351         Revert:
2352         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         Revert the revert:
2355         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2356
2357         Revert:
2358         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2359
2360         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2361
2362 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2363
2364         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2365         names using operand format, rather than hard-wired.
2366         (speculation_barrier): Likewise.
2367
2368 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2369
2370         PR tree-optimization/88055
2371         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2372         (gen_one_condition): Use it if !HONOR_NANS.
2373
2374 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2375
2376         PR middle-end/90139
2377         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2378         assign_temp instead of gen_reg_rtx.
2379
2380 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2381
2382         PR translation/90118
2383         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2384         Add missing space before %<.
2385
2386 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2387
2388         PR rtl-optimization/87871
2389         * ira-lives.c (make_object_dead): Don't add conflicts to
2390         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2391
2392 2019-04-18  Martin Sebor  <msebor@redhat.com>
2393
2394         PR middle-end/89797
2395         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2396         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2397         assuming type size fits in SHWI.
2398
2399 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2400
2401         PR ipa/85051
2402         * ipa-inline.c (flatten_function): New parameter UPDATE.
2403         (ipa_inline, early_inliner): Use it.
2404
2405 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2406
2407         * fold-const.c (int_const_binop): Return early on failure.
2408
2409 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2410
2411         PR middle-end/85164
2412         * combine.c (force_int_to_mode): Cast the argument rather than
2413         the result of known_alignment.
2414         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2415
2416 2019-04-18  Richard Biener  <rguenther@suse.de>
2417
2418         PR debug/90131
2419         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2420         out from ...
2421         (remove_forwarder_block): ... here.
2422         (remove_forwarder_block_with_phi): Also move debug stmts here.
2423
2424 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2425
2426         PR translation/79183
2427         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2428         inform where appropriate.
2429
2430 2019-04-18  Richard Biener  <rguenther@suse.de>
2431
2432         * tree.c (get_qualified_type): Put found type variants at the
2433         head of the variant list.
2434
2435 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2436
2437         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2438
2439 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2440
2441         PR target/90125
2442         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2443         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2444         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2445         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2446         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2447
2448 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2449
2450         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2451         even for allocno's with no conflicts.
2452         (print_conflicts): Print an extra newline.
2453
2454 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2455
2456         * auto-inc-dec.c (attempt_change): Set the alignment of the
2457         temporary memory to that of the original.
2458
2459 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2460
2461         * targhooks.c (default_print_patchable_function_entry): Emit
2462         __patchable_function_entries section with writable flags to allow
2463         relocation resolution.
2464
2465 2019-04-17  Jonny Grant  <jg@jguk.org>
2466
2467         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2468
2469 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2470
2471         PR middle-end/90095
2472         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2473         on lowpart SUBREGs.
2474
2475 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2476
2477         * config/arc/arc.c (arc_init): Format diagnostic string.
2478         (arc_override_options): Likewise.
2479         (check_if_valid_regno_const): Likewise.
2480         (arc_reorg): Likewise.
2481
2482 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2483
2484         PR target/17108
2485         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
2486         name.
2487         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
2488         name.
2489         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
2490         (*movdi_update1): Use Pmode.
2491         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
2492         (movdi_<mode>_update_stack): Rename to ...
2493         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
2494         use Pmode.
2495         (*movsi_update1): Use Pmode.
2496         (*movsi_update2): Use Pmode.
2497         (movsi_update): Rename to ...
2498         (movsi_<mode>_update): ... this.  Use Pmode.
2499         (movsi_update_stack): Fix condition.
2500         (*movhi_update1): Use Pmode.  Fix argument to
2501         avoiding_indexed_address_p.
2502         (*movhi_update2): Ditto.
2503         (*movhi_update3): Ditto.
2504         (*movhi_update4): Ditto.
2505         (*movqi_update1): Ditto.
2506         (*movqi_update2): Ditto.
2507         (*movqi_update3): Ditto.
2508         (*movsf_update1, *movdf_update1): Merge, rename to...
2509         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
2510         avoiding_indexed_address_p.  Add "size" attribute.
2511         (*movsf_update2, *movdf_update2): Merge, rename to...
2512         (*mov<mode>_update2): This.  Ditto.
2513         (*movsf_update3): Use Pmode.  Fix argument to
2514         avoiding_indexed_address_p.
2515         (*movsf_update4): Ditto.
2516         (allocate_stack): Simplify condition.  Adjust pattern names.
2517
2518 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2519
2520         PR target/89093
2521         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
2522         whitespace at the start of target attribute string.
2523
2524 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
2525
2526         PR target/84369
2527         * config/rs6000/power9.md: Add store forwarding bypass.
2528
2529 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
2530
2531         PR debug/89528
2532         * valtrack.c (dead_debug_insert_temp): Reset debug references
2533         to the return value of a call being removed.
2534
2535 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2536
2537         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
2538         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
2539         implement target hook.
2540         (arc_memory_move_cost): New function.
2541         (TARGET_REGISTER_MOVE_COST): Define.
2542         (TARGET_MEMORY_MOVE_COST): Likewise.
2543         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
2544         (MEMORY_MOVE_COST): Likewise.
2545
2546 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2547
2548         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
2549         (sibcall_value_insn): Likewise.
2550         * config/arc/constraints.md (Rs5): Remove.
2551
2552 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2553
2554         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
2555         for last two fake registers.
2556         (arc_conditional_register_usage): Make sure fake frame and arg
2557         pointer regs are in general regs class.
2558         (FRAME_POINTER_MASK): Remove.
2559         (RETURN_ADDR_MASK): Remove.
2560         (arc_must_save_register): Use hard frame regnum.
2561         (frame_restore_reg): Use hard_frame_pointer_rtx.
2562         (arc_save_callee_saves): Likewise.
2563         (arc_restore_callee_saves): Likewise.
2564         (arc_save_callee_enter): Likewise.
2565         (arc_restore_callee_leave): Likewise.
2566         (arc_save_callee_milli): Likewise.
2567         (arc_eh_return_address_location): Likewise.
2568         (arc_check_multi): Use hard frame regnum.
2569         (arc_can_eliminate): Likewise.
2570         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
2571         for register allocator.
2572         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
2573         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
2574         (FRAME_POINTER_REGNUM): Change it to a fake register.
2575         (HARD_FRAME_POINTER_REGNUM): Defined.
2576         (ARG_POINTER_REGNUM): Change it to a new fake register.
2577         (ELIMINABLE_REGS): Update.
2578         (REGISTER_NAMES): Update names.
2579         * config/arc/arc.md (LP_START): Remove.
2580         (LP_END): Likewise.
2581         (shift_si3_loop): Update pattern.
2582
2583 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2584
2585         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
2586         to avoid delay slot scheduling.
2587         (arc_must_save_register): Don't save SP.
2588         * config/arc/arc.md (stack_tie): Remove.
2589         (UNSPEC_ARC_STKTIE): Likewise.
2590
2591 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
2592             Shiva Chen  <shiva0217@gmail.com>
2593
2594         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
2595         code gen with large shift amount.
2596
2597 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
2598
2599         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
2600         subreg.
2601
2602 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
2603
2604         PR target/90096
2605         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
2606         print -m64/-mx32/-m32 if it is true.
2607         (ix86_debug_options, ix86_function_specific_print): Pass true as
2608         ADD_ABI_P to ix86_target_string.
2609         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
2610         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
2611         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
2612
2613         PR rtl-optimization/90082
2614         * dce.c (can_delete_call): New function.
2615         (deletable_insn_p, mark_insn): Use it.
2616
2617         PR tree-optimization/90090
2618         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
2619         throw internally.
2620         (is_division_by_square): Likewise.  Formatting fix.
2621
2622 2019-04-16  Richard Biener  <rguenther@suse.de>
2623
2624         PR tree-optimization/56049
2625         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
2626         equality check if alias-set zero will prevail.
2627
2628 2019-04-15  Jeff Law  <law@redhat.com>
2629
2630         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
2631         size and alignment as unsigned.
2632
2633 2019-04-15  Richard Biener  <rguenther@suse.de>
2634
2635         PR debug/90074
2636         * tree-loop-distribution.c (destroy_loop): Preserve correct
2637         debug info.
2638
2639 2019-04-15  Richard Biener  <rguenther@suse.de>
2640
2641         PR tree-optimization/90071
2642         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
2643         abnormal operands from def stmts.
2644
2645 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
2646
2647         PR rtl-optimization/89794
2648         * combine.c (count_auto_inc): New function.
2649         (try_combine): Count how many auto_inc expressions there were in the
2650         original instructions.  Ensure we have the same number in the new
2651         instructions.  Remove the code that tried to ensure auto_inc side
2652         effects on i1 and i0 are not lost.
2653
2654 2019-04-15  Richard Biener  <rguenther@suse.de>
2655
2656         PR ipa/88936
2657         * tree.h (auto_var_p): Declare.
2658         * tree.c (auto_var_p): New function, split out from ...
2659         (auto_var_in_fn_p): ... here.
2660         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
2661         member.
2662         (new_var_info): Initialize it.
2663         (set_uids_in_ptset): Also set the shadow variable uid if required.
2664         (ipa_pta_execute): Postprocess points-to solutions assigning
2665         shadow variable uids for locals that may reach their containing
2666         function recursively.
2667         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
2668         assert but instead check whether the points-to solution is
2669         a singleton.
2670
2671 2019-04-15  Martin Jambor  <mjambor@suse.cz>
2672
2673         PR ipa/pr89693
2674         * cgraph.c (clone_of_p): Loop over clone chain for each step in
2675         the thunk chain.
2676
2677 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2678
2679         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
2680
2681 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2682             Kito Cheng  <kito.cheng@gmail.com>
2683             Shiva Chen  <shiva0217@gmail.com>
2684
2685         * config/nds32/nds32-md-auxiliary.c
2686         (nds32_legitimize_pic_address): Use new PIC pattern.
2687         (nds32_legitimize_tls_address): Use new TLS pattern.
2688         (nds32_output_symrel): New.
2689         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
2690         (nds32_alloc_relax_group_id): Ditto.
2691         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
2692         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
2693         relax_group_id.
2694         (nds32_group_tls_insn): Ditto.
2695         (nds32_group_float_insns): Ditto.
2696         * config/nds32/nds32.md (tls_le): New.
2697         (sym_got): Ditto.
2698
2699 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
2700
2701         * configure: Add nds32 target for dwarf2 debug_line checking.
2702         * configure.ac: Regenerated.
2703
2704 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
2705
2706         PR lto/89358
2707         * ipa-devirt.c (skip_in_fields_list_p): New.
2708         (odr_types_equivalent_p): Use it.
2709
2710 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
2711
2712         PR target/89093
2713         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
2714         instead of strncmp when checking for thumb and arm.  Formatting fixes.
2715
2716 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
2717
2718         * doc/install.texi: Document --with-target-system-zlib.
2719
2720 2019-04-12  Martin Sebor  <msebor@redhat.com>
2721
2722         PR c/88383
2723         PR c/89288
2724         PR c/89798
2725         PR c/89797
2726         * targhooks.c (default_vector_alignment): Avoid assuming
2727         argument fits in SHWI.
2728         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
2729         a shift expression.
2730         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
2731
2732 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2733
2734         PR rtl-optimization/89965
2735         * dce.c: Include rtl-iter.h.
2736         (struct check_argument_load_data): New type.
2737         (check_argument_load): New function.
2738         (find_call_stack_args): Check for loads from stack slots still tracked
2739         in sp_bytes and punt if any is found.
2740
2741         * config/mips/loongson-mmiintrin.h: Fix up #error message.
2742
2743 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
2744
2745         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
2746         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
2747
2748 2019-04-12  Martin Liska  <mliska@suse.cz>
2749
2750         PR middle-end/89970
2751         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
2752         in error message.
2753         (separate_attrs): Handle multiple 'default's.
2754         (expand_target_clones): Rework error handling code.
2755
2756 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2757
2758         PR target/87532
2759         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
2760         mode of vector rather than mode of destination for move instruction.
2761         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
2762         Use QI inner mode with V16QI vector mode.
2763
2764 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2765
2766         PR target/52726
2767         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
2768         "invalid %%t operand" in output_operand_lossage message.
2769
2770 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
2771
2772         * config/s390/predicates.md (permute_pattern_operand): New
2773         predicate.
2774         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
2775         operand for the permute pattern.
2776         ("*vec_perm<mode>"): New insn definition.
2777         ("bswap<mode>"): Generate the permute pattern operand in the
2778         expander and perform the operand reloads for pre arch13 level
2779         already.
2780         ("*bswap<mode>_emu"): Rename to ...
2781         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
2782         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
2783         Add the USE operand for the permute pattern.
2784         ("*vec_set_bswap_vec<mode>"): Likewise.
2785
2786 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2787
2788         PR c/89946
2789         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
2790         and gcc_unreachable if it fails, just call tree_to_uhwi which
2791         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
2792         Start warning message with a lower-case letter.  Formatting fixes.
2793
2794         PR rtl-optimization/90026
2795         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
2796         successors, look for BARRIERs inside of the whole BB_FOOTER chain
2797         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
2798         in cfglayout mode, use emit_barrier_after_bb.
2799
2800 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
2801
2802         PR rtl-optimization/87763
2803         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
2804         New Instruction.
2805
2806 2019-04-11  Tom de Vries  <tdevries@suse.de>
2807
2808         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
2809         max macro using statement expression.
2810
2811 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
2812
2813         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
2814         * xcoffout.c (xcoff_private_rodata_section_name): Define.
2815         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
2816         read_only_private_data_section using xcoff_private_rodata_section_name.
2817         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
2818
2819 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
2820
2821         PR target/90016
2822         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
2823
2824 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
2825
2826         PR rtl-optimization/89965
2827         * dce.c (sp_based_mem_offset): New function.
2828         (find_call_stack_args): Use sp_based_mem_offset.
2829
2830 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
2831
2832         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
2833
2834 2019-04-11  Richard Biener  <rguenther@suse.de>
2835
2836         PR tree-optimization/90020
2837         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
2838         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
2839         * tree-ssa-pre.c (compute_avail): Use it to not put
2840         possibly trapping references after a call that might not
2841         return into EXP_GEN.
2842         * gcse.c (compute_hash_table_work): Do not elide
2843         marking a block containing a call if the call might not
2844         return.
2845
2846 2019-04-11  Richard Biener  <rguenther@suse.de>
2847
2848         PR tree-optimization/90018
2849         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
2850         Test both SLP and interleaving variants.
2851
2852 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
2853
2854         * config/s390/8561.md: New file.
2855         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2856         Add arch13 cpu model.
2857         * config/s390/s390-opts.h (enum processor_type): Likewise.
2858         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
2859         (s390_get_unit_mask): Likewise.
2860         (s390_is_fpd): Likewise.
2861         (s390_is_fxd): Likewise.
2862         * config/s390/s390.h (s390_tune_attr): Likewise.
2863         * config/s390/s390.md: Include arch13 pipeline description.
2864         * config/s390/s390.opt: Add arch13.
2865
2866 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
2867
2868         PR rtl-optimization/87763
2869         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
2870         New prototype.
2871         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
2872         New function.
2873         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
2874         New instruction.
2875         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
2876         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
2877         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
2878         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
2879
2880 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
2881
2882         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
2883         "Although" in -fipa-icf documentation.
2884
2885         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
2886         of using multiple -g options.
2887
2888 2019-04-10  Martin Liska  <mliska@suse.cz>
2889
2890         PR gcov-profile/89959
2891         * doc/gcov.texi: Make documentation of -x option
2892         more precise.
2893
2894 2019-04-10  Richard Biener  <rguenther@suse.de>
2895
2896         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
2897         member.
2898         (DR_GROUP_SAME_DR_STMT): Remove.
2899         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
2900         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
2901         replace with assert.
2902         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
2903         (vect_record_grouped_load_vectors): Remove unreachable code.
2904
2905 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
2906
2907         PR target/90016
2908         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
2909         obsolete reference to N.
2910
2911 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
2912
2913         PR middle-end/90025
2914         * expr.c (store_expr): Set properly size on the MEM passed to
2915         clear_storage.
2916
2917         PR c++/90010
2918         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
2919         with strlen in between hostsz-3 and hostsz-1 inclusive when no
2920         translation is needed, and when translation is needed, only append
2921         ... if the string length is hostsz or more bytes long.  Avoid using
2922         strncpy or strcat.
2923
2924 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
2925
2926         PR target/90024
2927         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
2928         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
2929         into three.
2930         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
2931         differences directly.
2932         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
2933
2934 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
2935
2936         PR translation/90011
2937         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
2938         from diagnostics.
2939         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
2940         diagnostics.
2941         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
2942         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
2943         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
2944         trailing space from -gsplit-dwarf diagnostics.
2945
2946         PR tree-optimization/89998
2947         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
2948         instead of integer_type_node if possible, don't add ranges if return
2949         type is not compatible with int.
2950         * gimple-fold.c (gimple_fold_builtin_sprintf,
2951         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
2952         integer_type_node.
2953
2954 2019-04-09  Martin Liska  <mliska@suse.cz>
2955
2956         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
2957         * doc/install.texi: Document the new config.
2958
2959 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
2960
2961         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
2962         use gimple_expr_type for load and store calls.  Skip over the
2963         condition argument in a conditional internal function.
2964         Protect use of TREE_INT_CST_LOW.
2965
2966 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
2967
2968         PR target/90015
2969         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
2970         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
2971         trailing period from it too.
2972
2973 2019-04-08  wu yuan  <wuyuan5@huawei.com>
2974
2975         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
2976         * config/aarch64/aarch64.md : Add "tsv110.md"
2977         * config/aarch64/tsv110.md: New file.
2978
2979 2019-04-08  Richard Biener  <rguenther@suse.de>
2980
2981         PR tree-optimization/90006
2982         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
2983         calls like lrint.
2984
2985 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
2986
2987         PR target/83033
2988         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
2989         construction.
2990         (fma_root_node): Likewise.
2991         (func_fma_steering): Likewise.
2992
2993 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
2994
2995         PR rtl-optimization/89865
2996         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
2997
2998         PR rtl-optimization/89865
2999         * config/i386/i386.md
3000         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3001         numbers not to clash with the additional operands[4].
3002         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3003         with extra register copy in the middle.
3004
3005 2019-04-08  Martin Liska  <mliska@suse.cz>
3006
3007         PR gcov-profile/89961
3008         * doc/gcov.texi: Document data_file.
3009         * gcov.c (generate_results): Add data_info into JSON output.
3010
3011 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3012
3013         PR tree-optimization/89725
3014         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3015         loop's chrec as invariant symbol.
3016         * tree-chrec.h (chrec_contains_symbols): New parameter.
3017         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3018         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3019         function of loops not in DDR's loop_nest.
3020         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3021
3022 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3023
3024         PR target/89623
3025         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3026         Mask.
3027
3028 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3029
3030         PR target/89945
3031         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3032         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3033
3034 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3035
3036         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3037         targetm.fixed_condition_code_regs.
3038
3039 2019-04-05  Richard Biener  <rguenther@suse.de>
3040
3041         PR debug/89892
3042         PR debug/89905
3043         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3044         debug bind stmts but reset them if they are not valid at the
3045         destination.
3046
3047 2019-04-05  Martin Liska  <mliska@suse.cz>
3048
3049         PR translation/89936
3050         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3051         order to wrap keywords or arguments.
3052         * collect2.c (main): Likewise.
3053         (scan_prog_file): Likewise.
3054         (scan_libraries): Likewise.
3055         * common/config/riscv/riscv-common.c
3056         (riscv_subset_list::parsing_subset_version): Likewise.
3057         (riscv_subset_list::parse_std_ext): Likewise.
3058         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3059         Likewise.
3060         * config/arm/arm.c (arm_option_override): Likewise.
3061         * config/cris/cris.c (cris_print_operand): Likewise.
3062         * config/darwin-c.c (darwin_pragma_options): Likewise.
3063         (darwin_pragma_unused): Likewise.
3064         (darwin_pragma_ms_struct): Likewise.
3065         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3066         * config/i386/i386.c (print_reg): Likewise.
3067         (ix86_print_operand): Likewise.
3068         * config/i386/xm-djgpp.h: Likewise.
3069         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3070         * config/m32c/m32c.c (m32c_option_override): Likewise.
3071         * config/msp430/msp430.c (msp430_option_override): Likewise.
3072         * config/nds32/nds32.c (nds32_option_override): Likewise.
3073         * config/nvptx/mkoffload.c (main): Likewise.
3074         * config/rx/rx.c (rx_print_operand): Likewise.
3075         (valid_psw_flag): Likewise.
3076         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3077         (vms_pragma_nomember_alignment): Likewise.
3078         (vms_pragma_extern_model): Likewise.
3079         * lto-wrapper.c (compile_offload_image): Likewise.
3080         * omp-offload.c (oacc_parse_default_dims): Likewise.
3081         * symtab.c (symtab_node::verify_base): Likewise.
3082         * tlink.c (recompile_files): Likewise.
3083         (start_tweaking): Likewise.
3084         * tree-profile.c (parse_profile_filter): Likewise.
3085
3086 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3087
3088         PR tree-optimization/89956
3089         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3090         multiple negates of the same value.
3091
3092 2019-04-04  Martin Sebor  <msebor@redhat.com>
3093
3094         PR middle-end/89957
3095         PR middle-end/89911
3096         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3097         have the same precision since the function crashes otherwise.
3098         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3099         has non-zero arguments.
3100
3101 2019-04-04  Martin Sebor  <msebor@redhat.com>
3102
3103         PR middle-end/89934
3104         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3105         out if the number of arguments is less than expected.
3106
3107 2019-04-04  Jeff Law  <law@redhat.com>
3108
3109         PR rtl-optimization/89399
3110         * ree.c (combine_set_extension): Use single_set rather than
3111         digging into PATTERN for items on the candidate list.
3112         (combine_reaching_defs): Likewise.
3113
3114 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3115
3116         PR rtl-optimization/46590
3117         * loop-invariant.c (find_defs): Move df_remove_problem and
3118         df_process_deferred_rescans to move_invariants.
3119         Move df_live_add_problem and df_live_set_all_dirty calls
3120         to move_invariants.
3121         (move_invariants): Likewise.
3122         (move_loop_invariants): Likewise, making the df_live calls
3123         conditional on -O.  Remove the problem again if we added it
3124         locally.
3125
3126 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3127
3128         PR tree-optimization/89730
3129         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3130         -flive-patching=inline-only-static.
3131         (can_inline_edge_by_limits_p): Add the checking for
3132         -flive-patching=inline-only-static and grant always_inline
3133         even when -flive-patching=inline-only-static is specified.
3134
3135 2019-04-03  Jeff Law  <law@redhat.com>
3136
3137         PR rtl-optimization/81025
3138         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3139
3140 2019-04-03  Richard Biener  <rguenther@suse.de>
3141
3142         PR tree-optimization/84101
3143         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3144         regs.h for hard_regno_nregs.
3145         (cfun_returns): New helper.
3146         (vect_model_store_cost): When vectorizing a store to a decl
3147         we return and the function ABI returns in a multi-reg location
3148         account for the possible spilling that will happen.
3149
3150 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3151
3152         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3153         displacement addresses for vector mode operands.
3154
3155 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3156
3157         * config/arc/arc.c (GMASK_LEN): Define.
3158         (arc_restore_callee_saves): Restore first blink when
3159         !optimize_size.
3160
3161 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3162
3163         * doc/extend.texi: Add deprecated comment on sign-return-address
3164         function attribute and add mbranch-protection.
3165         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3166
3167 2019-04-03  Richard Biener  <rguenther@suse.de>
3168
3169         PR lto/89896
3170         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3171         the all target phony.
3172
3173 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3174
3175         PR target/89902
3176         PR target/89903
3177         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3178         Return false for variable DImode shifts.
3179         (dimode_scalar_chain::compute_convert_gain): Do not handle
3180         register count operand in variable DImode shifts.
3181         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3182         count argument of a variable shift instruction to a vector register.
3183         (dimode_scalar_chain::convert_reg): Remove support to convert
3184         count argument of a variable shift instruction.
3185
3186 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3187
3188         PR rtl-optimization/84206
3189         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3190         iterating over loop headers.
3191
3192 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3193
3194         PR rtl-optimization/85876
3195         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3196         beyond the original fence.
3197
3198 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3199
3200         * config.gcc: Mark spu* targets as deprecated/obsolete.
3201
3202 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3203
3204         * config/s390/s390-builtin-types.def: New builtin function type
3205         definitions. Remove unused types.
3206         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3207         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3208         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3209         overloaded builtins.
3210         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3211         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3212         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3213         (vec_double, vec_signed, vec_unsigned): Define to use the new
3214         overloaded builtins.
3215         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3216         Remove expanders.
3217
3218 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3219
3220         * config/s390/s390-builtin-types.def: New builtin function type
3221         definitions.
3222         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3223         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3224         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3225         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3226         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3227         constant definitions.
3228         * config/s390/vecintrin.h (vec_search_string_cc)
3229         (vec_search_string_until_zero_cc): New builtin name definitions.
3230         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3231         expanders.
3232         ("vec_vstrs<mode>"): New insn definition.
3233
3234 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3235
3236         * config/s390/s390-builtin-types.def: Add new builtin function
3237         types.
3238         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3239         New overloaded builtins.
3240         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3241         s390_vsrd.
3242         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3243         (UNSPEC_VEC_SLDBYTE): ... this.
3244         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3245         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3246         definitions.
3247         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3248         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3249         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3250
3251 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3252
3253         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3254         New insn definition.
3255         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3256         * config/s390/vector.md (V_HW_HSD): ... here.
3257
3258 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3259
3260         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3261         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3262         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3263         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3264         New insn definitions.
3265
3266 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3267
3268         * config/s390/s390-builtin-types.def: Add new builtin function type.
3269         * config/s390/s390-builtins.def: Add overloaded builtin
3270         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3271         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3272         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3273         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3274         ("eltswap<mode>"): New expander.
3275         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3276         insn definitions.
3277
3278 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3279
3280         * config/s390/s390-builtin-types.def: Add new builtin function types.
3281         * config/s390/s390-builtins.def: Add overloaded builtin
3282         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3283         instructions.
3284         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3285         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3286         ("bswap<mode>"): New expander.
3287         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3288
3289 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3290
3291         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3292         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3293         vector builtin version number in __VEC__.
3294
3295 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3296
3297         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3298         iterators.
3299         (SFSI): New mode attribute.
3300         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3301         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3302         rename to ...
3303         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3304         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3305         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3306         ("floatsi<mode>2"): Add wcefb instruction.
3307
3308 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3309
3310         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3311         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3312         mode iterators.
3313         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3314         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3315         support 32 bit fp-int conversions. Rename to ...
3316         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3317         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3318         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3319         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3320         ... to these.
3321
3322 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3323
3324         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3325         if-then-else constructs if we can use the select instruction.
3326         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3327
3328 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3329
3330         * config/s390/s390.md ("*popcountdi_arch13_cc")
3331         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3332         definition.
3333         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3334         Append _z196 to make it ...
3335         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3336         ("popcounthi2_z196"): ... this.
3337         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3338         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3339
3340 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3341
3342         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3343         certain compares for arch13 in order to make use of the condition
3344         code result produced by the new instructions.
3345         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3346         nxrk, and nxgrk instruction patterns.
3347         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3348         (inv_no): Add new code iterator together with some attributes.
3349         ("*andc_split_<mode>"): Disable splitter for arch13.
3350         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3351         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3352         ("*<ANDOR:bitops_name>c<GPR:mode>")
3353         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3354         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3355         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3356         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3357
3358 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3359
3360         * common/config/s390/s390-common.c (processor_flags_table): New
3361         entry for arch13.
3362         * config.gcc: Support arch13 with the --with-arch= configure flag.
3363         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3364         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3365         * config/s390/s390.c (s390_get_sched_attrmask)
3366         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3367         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3368         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3369         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3370         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3371         definitions.
3372         * config/s390/s390.opt: Support arch13 as processor type in
3373         command line options.
3374
3375 2019-04-02  Martin Liska  <mliska@suse.cz>
3376
3377         PR translation/89912
3378         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3379         Fix param description of graphite-max-arrays-per-scop.
3380
3381 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3382
3383         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3384         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3385         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3386
3387 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3388
3389         PR rtl-optimization/85412
3390         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3391         sel_sched_region_1, not after.
3392
3393 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3394
3395         PR rtl-optimization/86928
3396         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3397         compute_live if necessary.
3398         (sel_redirect_edge_and_branch): Likewise.
3399
3400 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3401
3402         PR rtl-optimization/89865
3403         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3404         register if it is a part of small class.
3405
3406 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3407
3408         PR rtl-optimization/87273
3409         * sel-sched-ir.c (merge_fences): Remove assert.
3410
3411 2019-04-01  Richard Biener  <rguenther@suse.de>
3412
3413         PR tree-optimization/46590
3414         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3415         (dom_walker::m_reachability): Add in place of...
3416         (dom_walker::m_skip_unreachable_blocks): ...this.
3417         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3418         Move complex initialization ...
3419         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3420         lazily and initialize edge flags on each invocation.
3421         (dom_walker::bb_reachable): Use m_reachability.
3422
3423 2019-04-01  Martin Liska  <mliska@suse.cz>
3424
3425         PR driver/89861
3426         * opt-suggestions.c (option_proposer::build_option_suggestions):
3427         Add variant without any argument in order to provide better
3428         hints.
3429
3430 2019-04-01  Richard Biener  <rguenther@suse.de>
3431
3432         PR c/71598
3433         * gimple.c: Include langhooks.h.
3434         (gimple_get_alias_set): Treat enumeral types as the underlying
3435         integer type.
3436
3437 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3438             Eric Botcazou  <ebotcazou@adacore.com>
3439
3440         PR rtl-optimization/89862
3441         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3442         that operates on the full registers for WORD_REGISTER_OPERATIONS
3443         architectures.
3444
3445 2019-03-29  Jim Wilson  <jimw@sifive.com>
3446
3447         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3448         Clear MASK_RVC and then set if C subset supported.
3449
3450 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3451
3452         PR c/89872
3453         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3454         non-addressable complit into its initializer if it is volatile.
3455
3456 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3457
3458         * opts-common.c (integral_argument): Set errno properly in one case.
3459
3460 2019-03-29  Martin Liska  <mliska@suse.cz>
3461
3462         * doc/invoke.texi: Remove -Wchkp from documentation.
3463
3464 2019-03-29  Martin Liska  <mliska@suse.cz>
3465
3466         * dbgcnt.c (print_limit_reach): New function.
3467         (dbg_cnt): Use it.
3468
3469 2019-03-29  Martin Liska  <mliska@suse.cz>
3470
3471         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3472         (dbg_cnt_process_opt): Parse first tokens aas
3473         dbg_cnt_process_single_pair is also using strtok.
3474
3475 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3476
3477         PR rtl-optimization/87485
3478         * function.c (expand_function_end): Move stack_protect_epilogue
3479         before loading of return value into hard register(s).
3480
3481 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3482
3483         PR middle-end/89621
3484         * tree-inline.h (struct copy_body_data): Add
3485         dont_remap_vla_if_no_change flag.
3486         * tree-inline.c (remap_type_3, remap_type_2): New functions.
3487         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
3488         and remap_type_2 returns false.
3489         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
3490         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
3491         only from where it is copied to nested contexts.
3492
3493 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3494
3495         PR target/89865
3496         * config/i386/i386.md (RMW operation with LEA peephole):
3497         Use LEAMODE mode attribute instead of SWI mode iterator for
3498         LEA pattern.
3499
3500 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3501
3502         PR target/89848
3503         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3504         Also process XEXP (src, 0) of a shift insn.
3505
3506 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
3507
3508         PR middle-end/89725
3509         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
3510         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
3511
3512 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3513
3514         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
3515         test.
3516         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
3517         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
3518         immediately after first one with df_analyze in between, but rather
3519         process all bbs, queueing ones that need second pass in a worklist,
3520         df_analyze, process queued debug insn changes and if second pass is
3521         needed, process bbs from worklist, df_analyze, process queued debug
3522         insns again.
3523
3524         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
3525         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
3526         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
3527
3528 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
3529
3530         PR c/79022
3531         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
3532         definition.
3533
3534 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
3535
3536         PR target/85667
3537         * config/i386/i386.c (ix86_function_value_1): Call the newly added
3538         function for 32-bit MS_ABI.
3539         (function_value_ms_32): New function.
3540
3541 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
3542
3543         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
3544         (movdi): Call gen_movdi_symbol_save_scc.
3545         (gen_movdi_symbol_save_scc): New insn and split.
3546
3547 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
3548
3549         PR rtl-optimization/89313
3550         * function.c (matching_constraint_num): New static function.
3551         (match_asm_constraints_1): Use it.  Fixup white space and comment.
3552         Don't replace inputs with non-matching constraints which conflict
3553         with early clobber outputs.
3554
3555 2019-03-27  Jeff Law  <law@redhat.com>
3556
3557
3558         PR rtl-optimization/87761
3559         PR rtl-optimization/89826
3560         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
3561         slightly later.
3562         (pass_cprop_hardreg::execute): Call df_analyze after adding the
3563         note problem to get REG_DEAD/REG_UNUSED notes updated.
3564
3565 2019-03-27  Richard Biener  <rguenther@suse.de>
3566
3567         PR tree-optimization/89463
3568         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
3569         queue edges to remove.
3570         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
3571         dead stmts.  Delay edge removal until PHIs are removed to
3572         make debug-stmt creation not confused by seemingly degenerate
3573         PHIs.
3574
3575 2019-03-27  Alan Modra  <amodra@gmail.com>
3576
3577         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
3578         throughout file.
3579         * config/rs6000/darwin.h: Likewise.
3580         * config/rs6000/rs6000.c: Likewise.
3581
3582 2019-03-27  Alan Modra  <amodra@gmail.com>
3583
3584         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
3585         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
3586
3587 2019-03-26  Andrew Waterman  <andrew@sifive.com>
3588             Jim Wilson  <jimw@sifive.com>
3589
3590         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
3591         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
3592         (generic_idivdi, generic_fmul_single, generic_fmul_double)
3593         (generic_fdiv, generic_fsqrt): Add check for generic tune.
3594         (generic_alu): Add auipc to type list.
3595         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
3596         (riscv_microarchitecture): Declare.
3597         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
3598         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
3599         field.
3600         (riscv_microarchitecture): New.
3601         (sifive_7_tune_info): New.
3602         (riscv_cpu_info_table): Add microarchitecture value for rocket and
3603         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
3604         entries.
3605         (riscv_store_data_bypass_p): New.
3606         (riscv_option_override): Set riscv_microarchitecture from
3607         cpu->microarchitecture.
3608         * config/riscv/riscv.md: Include sifive-7.md.
3609         (type): Add auipc.
3610         (tune): New.
3611         (auipc<mode>): Change type to auipc.
3612         (restore_stack_nonlocal): New.
3613         * config/riscv/sifive-7.md: New.
3614         * doc/invoke.texi (RISC-V Options): Update mtune docs.
3615
3616 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
3617
3618         PR target/89827
3619         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
3620         Also process XEXP (src, 0) of a shift insn.
3621
3622 2019-03-26  Richard Biener  <rguenther@suse.de>
3623
3624         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
3625         (copy_debug_stmt): Likewise.
3626         (expand_call_inline): Likewise.
3627         (copy_bb): Avoid redundant lookup & set of gimple_block.
3628         * gimple-low.c (lower_gimple_return): Likewise.
3629         (lower_builtin_setjmp): Likewise.
3630
3631 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
3632
3633         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
3634         is constant 0, turn into static const data member initialized to false.
3635         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
3636         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
3637
3638 2019-03-26  Jason Merrill  <jason@redhat.com>
3639             Jakub Jelinek  <jakub@redhat.com>
3640
3641         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
3642         method.
3643         (mem_alloc_description::release_object_overhead): Fix comment typos.
3644         * hash-table.h (hash_table::~hash_table): Call
3645         release_instance_overhead only if m_entries is non-NULL, otherwise
3646         call unregister_descriptor.
3647
3648 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
3649
3650         PR tree-optimization/81740
3651         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3652         In case of outer loop vectorization, check for backward dependence
3653         at the inner loop if outer loop dependence is reversed.
3654
3655 2019-03-26  Alan Modra  <amodra@gmail.com>
3656
3657         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
3658         rs6000_vector_mem init.  Correct wI and wJ comment.
3659
3660 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
3661
3662         PR rtl-optimization/88347
3663         PR rtl-optimization/88423
3664         * sched-deps.c (sched_analyze_insn): Take into account that for
3665         tablejumps the barrier appears after a label and a jump_table_data.
3666
3667 2019-03-25  Martin Sebor  <msebor@redhat.com>
3668
3669         PR c/89812
3670         * c-common.c (check_user_alignment): Rename local.  Correct maximum
3671         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
3672         convert it to UHWI when it fits.
3673
3674 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
3675
3676         PR debug/86964
3677         * dwarf2out.c (premark_used_variables): New function.
3678         (prune_unused_types_walk): Do not mark not premarked external
3679         variables.
3680         (prune_unused_types): Call premark_used_variables.
3681
3682 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
3683
3684         PR rtl-optimization/89676
3685         * lra-constraints.c (curr_insn_transform): Do match reload for
3686         early clobbers when the match was successful only for different
3687         registers.
3688
3689 2019-03-25  Martin Sebor  <msebor@redhat.com>
3690
3691         * doc/extend.texi (Common Type Attributes): Document vector_size.
3692         (Common Variable Attributes): Mention size constraint.  Correct
3693         quoting and typos.
3694         (Vector Extensions): Use @dfn when defining bas type.  Clarify
3695         base type and size constraints.
3696
3697 2019-03-25  Richard Biener  <rguenther@suse.de>
3698
3699         PR tree-optimization/89789
3700         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
3701         changes from non-undefined back to undefined.
3702
3703 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
3704
3705         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
3706         heap string and a gc string, but since this variable is unknown to
3707         ggc the gc string might get reused and corrupted. Fixed by always
3708         using a heap string.
3709
3710 2019-03-25  Richard Biener  <rguenther@suse.de>
3711
3712         PR tree-optimization/89779
3713         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
3714         to remove IV defs, delay actual removal.
3715         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
3716         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
3717         very end, properly also reset loop control IV information.
3718
3719 2019-03-25  Richard Biener  <rguenther@suse.de>
3720
3721         PR tree-optimization/89802
3722         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
3723         move EH data to folded stmt.
3724
3725 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3726
3727         * config/s390/s390-builtin-types.def: Remove few unused types and
3728         fix sort order for others.
3729
3730 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3731
3732         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
3733         expected and found types with -mdebug during builtin matching.
3734
3735 2019-03-25  Richard Biener  <rguenther@suse.de>
3736
3737         PR middle-end/89790
3738         * fold-const.c (operand_equal_p): Revert last change with
3739         updated comment.
3740
3741 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
3742
3743         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
3744         notes for the result of the __tls_get_addr calls.
3745         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
3746
3747 2019-03-24  Jeff Law  <law@redhat.com>
3748
3749         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
3750
3751         PR rtl-optimization/87761
3752         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
3753         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
3754         as needed.
3755         (pass_cprop_hardreg::execute): Add df note problem and defer insn
3756         rescans.  Reprocess blocks as needed, calling df_analyze before
3757         reprocessing.  Always call df_analyze before fixing up debug bind
3758         insns.
3759
3760 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
3761
3762         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
3763         big endian.
3764
3765 2019-03-22  Andrew Pinski  <apinski@marvell.com>
3766
3767         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
3768         attrribute for uxtw.
3769
3770 2019-03-26  Jeff Law  <law@redhat.com>
3771
3772         PR rtl-optimization/87761
3773         * config/mips/mips-protos.h (mips_split_move): Add new argument.
3774         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
3775         (mips_split_move): Accept new INSN argument.  Try to forward SRC
3776         into the next instruction.
3777         (mips_split_move_insn): Pass INSN through to mips_split_move.
3778
3779 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
3780
3781         PR rtl-optimization/89676
3782         * lra-constraints.c (curr_insn_transform): Do match reload for
3783         early clobbers even if the match was successful.
3784
3785 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3786
3787         PR c++/87481
3788         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
3789
3790 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
3791
3792         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
3793
3794 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3795
3796         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
3797         <avx512>_fmsub_<mode>_mask3<round_name>,
3798         <avx512>_fnmadd_<mode>_mask3<round_name>,
3799         <avx512>_fnmsub_<mode>_mask3<round_name>,
3800         avx512f_vmfmadd_<mode>_mask3<round_name>,
3801         avx512f_vmfmsub_<mode>_mask3<round_name>,
3802         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
3803         instead of register_operand and %v instead of v for match_operand 1.
3804         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
3805         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
3806         <round_nimm_predicate> instead of register_operand and %v instead of v
3807         for match_operand 1.
3808
3809         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
3810         <avx512>_fmadd_<mode>_mask3<round_name>,
3811         <avx512>_fmsub_<mode>_mask<round_name>,
3812         <avx512>_fmsub_<mode>_mask3<round_name>,
3813         <avx512>_fnmadd_<mode>_mask<round_name>,
3814         <avx512>_fnmadd_<mode>_mask3<round_name>,
3815         <avx512>_fnmsub_<mode>_mask<round_name>,
3816         <avx512>_fnmsub_<mode>_mask3<round_name>,
3817         <avx512>_fmaddsub_<mode>_mask<round_name>,
3818         <avx512>_fmaddsub_<mode>_mask3<round_name>,
3819         <avx512>_fmsubadd_<mode>_mask<round_name>,
3820         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
3821         <round_nimm_predicate> instead of nonimmediate_operand.
3822         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
3823         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
3824         Use register_operand instead of <round_nimm_predicate> for the
3825         operand that needs to match output.
3826         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
3827         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
3828         Likewise.  Formatting fixes.
3829
3830         PR target/89784
3831         * config/i386/i386.c (enum ix86_builtins): Remove
3832         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
3833         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
3834         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
3835         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
3836         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
3837         __builtin_ia32_vfmsubss3_mask3): New builtins.
3838         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
3839         avx512f_vmfmadd_<mode>_mask3<round_name>,
3840         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
3841         *avx512f_vmfmsub_<mode>_mask<round_name>,
3842         avx512f_vmfmsub_<mode>_mask3<round_name>,
3843         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
3844         *avx512f_vmfnmadd_<mode>_mask<round_name>,
3845         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
3846         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
3847         *avx512f_vmfnmsub_<mode>_mask<round_name>,
3848         avx512f_vmfnmsub_<mode>_mask3<round_name>,
3849         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
3850         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
3851         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
3852         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
3853         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
3854         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
3855         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
3856         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
3857         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
3858         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
3859         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
3860         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
3861         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
3862         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
3863         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
3864         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
3865         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
3866         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
3867         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
3868         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
3869         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
3870         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
3871
3872 2019-03-21  Martin Sebor  <msebor@redhat.com>
3873
3874         PR tree-optimization/89350
3875         * builtins.c (compute_objsize): Also ignore offsets whose upper
3876         bound is negative.
3877         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
3878         (builtin_memref::builtin_memref): Initialize new member.
3879         Allow EXPR to be null.
3880         (builtin_memref::extend_offset_range): Replace local with a member.
3881         Avoid assuming pointer offsets are unsigned.
3882         (builtin_memref::set_base_and_offset): Determine base object
3883         before computing offset range.
3884         (builtin_access::builtin_access): Handle memset.
3885         (builtin_access::generic_overlap): Replace local with a member.
3886         (builtin_access::strcat_overlap): Same.
3887         (builtin_access::overlap): Same.
3888         (maybe_diag_overlap): Same.
3889         (maybe_diag_access_bounds): Same.
3890         (wrestrict_dom_walker::check_call): Handle memset.
3891         (check_bounds_or_overlap): Same.
3892
3893 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
3894             Jakub Jelinek  <jakub@redhat.com>
3895
3896         PR lto/89692
3897         * tree.c (fld_type_variant, fld_incomplete_type_of,
3898         fld_process_array_type): Call fld->pset.add and don't call
3899         add_tree_to_fld_list if it returns true.
3900         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
3901         non-marked types from TYPE_NEXT_VARIANT list.
3902         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
3903
3904 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
3905
3906         * hash-table.h (hash_table): Add Lazy template parameter defaulted
3907         to false, if true, don't alloc_entries during construction, but defer
3908         it to the first method that needs m_entries allocated.
3909         (hash_table::hash_table, hash_table::~hash_table,
3910         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
3911         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
3912         hash_table::clear_slot, hash_table::traverse_noresize,
3913         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
3914         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
3915         false.
3916         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
3917         NO_INSERT instead of find_with_hash.
3918         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
3919         hash_set::m_table): Add Lazy to template params of hash_table.
3920         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
3921         * attribs.c (test_attribute_exclusions): Likewise.
3922         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
3923         hash_set.  Add tests for hash_set with Lazy = true.
3924
3925 2019-03-21  Richard Biener  <rguenther@suse.de>
3926
3927         PR tree-optimization/89779
3928         * tree.c (tree_nop_conversion): Consolidate and fix defensive
3929         checks with respect to released SSA names now having error_mark_node
3930         type.
3931         * fold-const.c (operand_equal_p): Likewise.
3932
3933 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
3934
3935         PR target/89775
3936         * config/s390/s390.c (global_not_special_regno_p): Move to make it
3937         available to ...
3938         (s390_optimize_register_info): Use global_not_special_regno_p to
3939         check for global regs.
3940
3941 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
3942
3943         PR target/89752
3944         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
3945         update this_alternative nor this_alternative_set.
3946
3947 2019-03-19  Jim Wilson  <jimw@sifive.com>
3948
3949         PR target/89411
3950         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
3951         align, size, offset.  Use them to handle a BLKmode reference.  Update
3952         comment.
3953         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
3954
3955 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
3956
3957         PR rtl-optimization/89768
3958         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
3959         instead of GEN_INT.
3960         (unroll_loop_runtime_iterations): Likewise.
3961
3962 2019-03-19  Martin Sebor  <msebor@redhat.com>
3963
3964         PR tree-optimization/89644
3965         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
3966         rather than endptr as an indicator of nul-termination.
3967
3968         PR tree-optimization/89644
3969         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
3970         arrays in determining sequence sizes in strncpy and stpncpy.
3971
3972 2019-03-19  Martin Liska  <mliska@suse.cz>
3973
3974         PR middle-end/89737
3975         * predict.c (combine_predictions_for_bb): Empty likely_edges and
3976         unlikely_edges if there's an edge that belongs to both these sets.
3977
3978 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
3979
3980         PR target/89746
3981         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
3982         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
3983         go via a stack temporary.
3984
3985 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
3986
3987         PR target/89378
3988         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
3989         instead of gen_rtx_SUBREG.
3990         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
3991
3992 2019-03-19  Richard Biener  <rguenther@suse.de>
3993
3994         PR debug/88389
3995         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
3996
3997 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
3998
3999         PR lto/87809
4000         PR lto/89335
4001         * tree.c (free_lang_data_in_decl): Do not free context of C++
4002         destrutors.
4003
4004 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4005
4006         PR target/89506
4007         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4008         subs for the first alternative except when operands[3] is 1.
4009
4010         PR target/89752
4011         * gimplify.c (gimplify_asm_expr): For output argument with
4012         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4013         diagnose error.
4014
4015 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4016
4017         PR rtl-optimization/89753
4018         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4019         explicit unrolling factor even more robust.
4020
4021 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4022
4023         PR target/89726
4024         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4025         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4026         signed zeros, do another copysign after the compensation.
4027
4028 2019-03-18  Martin Sebor  <msebor@redhat.com>
4029
4030         PR tree-optimization/89720
4031         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4032         more conservatively, the same as anti-range.
4033
4034 2019-03-18  Richard Biener  <rguenther@suse.de>
4035
4036         PR middle-end/88945
4037         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4038         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4039         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4040         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4041
4042 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4043
4044         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4045         Extend queue to 1024 entries.
4046         Add "consumed" field.
4047         (gomp_print_output): Remove print_index parameter.
4048         Add final parameter.
4049         Change limit to unsigned.
4050         Use consumed field to implement circular buffer.
4051         Detect interrupted print in final pass.
4052         Flush output at the end.
4053         (run): Update gomp_print_output usage.
4054         (main): Initialize kernargs->output_data.consumed.
4055
4056 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4057
4058         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4059         calculation of the minimum number of scalar iterations for
4060         fully-predicated loops.
4061
4062 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4063
4064         PR tree-optimization/89546
4065         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4066         any propagation to its children took place.
4067
4068 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4069
4070         PR target/89627
4071         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4072         parameter, and make use of it.
4073         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4074
4075 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4076
4077         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4078         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4079         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4080         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4081         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4082         match what the ops is doing.
4083         (push_multi_fp_blink): Likewise.
4084         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4085         compiling for size and elf target.
4086         (arc_save_callee_enter): Adjust note to match what enter/leave
4087         operation does.
4088
4089 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4090
4091         * config/arc/arc.md (tst_movb): Fix constraint.
4092
4093 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4094
4095         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4096
4097 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4098
4099         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4100         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4101         reg_alloc_order references.
4102         (size_alloc_order): Define.
4103         (arc_adjust_reg_alloc_order): New function.
4104         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4105         order.
4106         (ADJUST_REG_ALLOC_ORDER): Define.
4107         (HONOR_REG_ALLOC_ORDER): Likewise.
4108
4109 2019-03-18  Richard Biener  <rguenther@suse.de>
4110
4111         PR target/87561
4112         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4113         loads and stores a bit more.
4114
4115 2019-03-18  Richard Biener  <rguenther@suse.de>
4116
4117         PR target/87561
4118         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4119         load pessimization to stores as well.
4120
4121 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4122
4123         PR middle-end/86979
4124         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4125         successor, use NULL as its av set.
4126
4127 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4128
4129         PR rtl-optimization/89721
4130         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4131
4132 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4133
4134         PR target/87532
4135         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4136         When handling vec_extract, use modular arithmetic to allow
4137         constant selectors greater than vector length.
4138         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4139         V1TImode vectors to have constant selector values greater than 0.
4140         Use modular arithmetic to compute vector index.
4141         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4142         index for in-memory vectors.  Correct code generation for
4143         in-register vectors.
4144         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4145         compute index.
4146
4147 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4148
4149         PR c++/88534
4150         PR c++/88537
4151         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4152         VAR_DECL args.
4153
4154 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4155
4156         PR c++/89709
4157         * tree.c (inchash::add_expr): Strip any location wrappers.
4158         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4159         after hash verification.
4160
4161         PR debug/89704
4162         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4163         SIGN_EXTEND and ZERO_EXTEND.
4164
4165 2019-03-14  Jason Merrill  <jason@redhat.com>
4166             Jakub Jelinek  <jakub@redhat.com>
4167
4168         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4169         than if is_empty (*slot).
4170         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4171         existing elt and for elt removal.
4172         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4173         of already removed elt.
4174
4175 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4176
4177         PR target/89650
4178         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4179         REG_EH_REGION note.
4180
4181 2019-03-14  Martin Liska  <mliska@suse.cz>
4182
4183         PR other/89712
4184         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4185
4186 2019-03-14  Richard Biener  <rguenther@suse.de>
4187
4188         PR target/89711
4189         * config/i386/i386.c (make_resolver_func): Properly set
4190         DECL_CONTEXT on the RESULT_DECL.
4191         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4192
4193 2019-03-14  Richard Biener  <rguenther@suse.de>
4194
4195         * gimple-pretty-print.c: Include cfgloop.h.
4196         (dump_gimple_phi): Adjust.
4197         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4198         (pp_cfg_jump): Adjust.
4199         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4200         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4201         (lower_phi_internal_fn): Remove.
4202         (verify_gimple_call): Remove IFN_PHI special-casing.
4203         (dump_function_to_file): Dump IL state.
4204         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4205         done to deal with PHI nodes being present in non-SSA state.
4206
4207 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4208
4209         PR ipa/89684
4210         * multiple_target.c (create_dispatcher_calls): Change
4211         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4212         In the node->iterate_referring loop, push *ref rather than ref, call
4213         ref->remove_reference () and always pass 0 to iterate_referring.
4214
4215         PR rtl-optimization/89679
4216         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4217         would contain a paradoxical SUBREG.
4218
4219 2019-03-14  Richard Biener  <rguenther@suse.de>
4220
4221         PR tree-optimization/89710
4222         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4223         safe_dyn_cast.
4224
4225 2019-03-14  Martin Liska  <mliska@suse.cz>
4226
4227         * coverage.c (coverage_begin_function): Stream also
4228         end_column.
4229         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4230         documentation about function declaration location.
4231         * gcov-dump.c (tag_function): Print whole range
4232         of function declaration.
4233         * gcov.c (struct function_info): Add end_column field.
4234         (function_info::function_info): Initialize it.
4235         (output_json_intermediate_file): Output {start,end}_column
4236         fields.
4237         (read_graph_file): Read end_column.
4238
4239 2019-03-14  Richard Biener  <rguenther@suse.de>
4240
4241         PR middle-end/89698
4242         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4243         that the access types are similar.
4244
4245 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4246
4247         PR tree-optimization/89703
4248         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4249         aren't compatible also with builtin_decl_explicit.  Check pure
4250         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4251         and BUILT_IN_STPNCPY{,_CHK}.
4252
4253 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4254
4255         PR target/89523
4256         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4257         addr32 prefix to VSIB address for X32.
4258         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4259         "%M2" to opcode.
4260         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4261         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4262         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4263         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4264         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4265         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4266         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4267         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4268         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4269         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4270         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4271         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4272         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4273         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4274         (*avx512f_scatterdi<mode>): Likewise.
4275
4276 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4277
4278         PR target/85860
4279         * lra-constraints.c (inherit_in_ebb): Update
4280         potential_reload_hard_regs along with live_hard_regs.
4281
4282 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4283
4284         PR debug/89498
4285         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4286         DWARF_OFFSET_SIZE.
4287         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4288
4289 2019-03-13  Martin Sebor  <msebor@redhat.com>
4290
4291         PR tree-optimization/89662
4292         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4293         has a size.
4294
4295 2019-03-13  Richard Biener  <rguenther@suse.de>
4296
4297         PR middle-end/89677
4298         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4299         throw FP expressions at tree-affine.
4300
4301 2019-03-14  Richard Biener  <rguenther@suse.de>
4302
4303         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4304         dump negative integer constants using _Literal (type) -num.
4305
4306 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4307
4308         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4309         nonlocal_value member.
4310
4311         PR middle-end/88588
4312         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4313         (ipa_simd_modify_function_body): Handle PHIs.
4314
4315 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4316
4317         * config/s390/s390.c (s390_option_override_internal): Use more
4318         aggressive inlining parameters.
4319
4320 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4321
4322         * config/s390/3906.md: New file.
4323         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4324         (LONGRUNNING_THRESHOLD): Remove.
4325         (MAX_SCHED_MIX_SCORE): Decrease.
4326         (MAX_SCHED_MIX_DISTANCE): Decrease.
4327         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4328         (struct s390_sched_state): New struct to hold scheduling state.
4329         (S390_SCHED_STATE_NORMAL): Remove.
4330         (S390_SCHED_STATE_CRACKED): Remove.
4331         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4332         (s390_get_sched_attrmask): Use new attribute.
4333         (s390_get_unit_mask): Use new units.
4334         (s390_is_fpd): New function.
4335         (s390_is_fxd): New function.
4336         (s390_is_longrunning): New function.
4337         (s390_sched_score): Use new functions.
4338         (s390_sched_reorder): Likewise.
4339         (s390_sched_variable_issue): Rework and use new functions.
4340         (s390_sched_init): Use new functions.
4341         * config/s390/s390.h (s390_tune_attr):  Add z14.
4342         * config/s390/s390.md: Add z14.
4343
4344 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4345
4346         * config/s390/2964.md: Update pipeline description.
4347         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4348         (LONGRUNNING_THRESHOLD): Remove.
4349         (LATENCY_FACTOR): Remove.
4350         (s390_get_unit_mask): Add unit.
4351         (s390_sched_score): Use fxd/fpd.
4352         (s390_sched_variable_issue): Use fxd/fpd.
4353
4354 2019-03-12  Martin Liska  <mliska@suse.cz>
4355
4356         * config/i386/i386.c: Reword an error message.
4357
4358 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4359
4360         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4361         terminate with newline.
4362
4363 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4364
4365         PR target/52726
4366         * config/s390/s390.md (tabort): Use %wd instead of
4367         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4368         letters and periods.
4369         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4370         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4371         's with %< and %>.
4372
4373         PR middle-end/89663
4374         * builtins.c (expand_builtin_int_roundingfn,
4375         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4376         gcc_unreachable if validate_arglist fails.
4377
4378 2019-03-12  Richard Biener  <rguenther@suse.de>
4379
4380         PR tree-optimization/89664
4381         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4382         free the occurance tree after the early out.
4383
4384 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4385
4386         PR middle-end/89655
4387         PR bootstrap/89656
4388         * vr-values.c (vr_values::update_value_range): If
4389         old_vr->varying_p (), don't update it, make new_vr also VARYING
4390         and return false.
4391
4392 2019-03-11  Martin Liska  <mliska@suse.cz>
4393
4394         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4395         Fix double string quoting.
4396
4397 2019-03-11  Martin Liska  <mliska@suse.cz>
4398
4399         * collect-utils.c (collect_wait): Wrap apostrophes
4400         in gcc internal format with %'.
4401         * collect2.c (main): Likewise.
4402         (scan_prog_file): Likewise.
4403         (scan_libraries): Likewise.
4404         * config/i386/i386.c (ix86_expand_call): Likewise.
4405         (ix86_handle_interrupt_attribute): Likewise.
4406         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4407         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4408         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4409         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4410         * symtab.c (symtab_node::verify_base): Likewise.
4411         * tree-cfg.c (verify_gimple_label): Likewise.
4412         * tree.c (verify_type_variant): Likewise.
4413
4414 2019-03-11  Martin Liska  <mliska@suse.cz>
4415
4416         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4417         in a string format message and fix GNU coding style.
4418         (expand_builtin_set_thread_pointer): Likewise.
4419         * common/config/aarch64/aarch64-common.c
4420         (aarch64_rewrite_selected_cpu): Likewise.
4421         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4422         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4423         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4424         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4425         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4426         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4427         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4428         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4429         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4430         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4431         Likewise.
4432         * common/config/riscv/riscv-common.c
4433         (riscv_subset_list::parsing_subset_version): Likewise.
4434         (riscv_subset_list::parse_std_ext): Likewise.
4435         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4436         (riscv_subset_list::parse): Likewise.
4437         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4438         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4439         (aarch64_override_options_internal): Likewise.
4440         (aarch64_validate_mcpu): Likewise.
4441         (aarch64_validate_march): Likewise.
4442         (aarch64_validate_mtune): Likewise.
4443         (aarch64_override_options): Likewise.
4444         * config/alpha/alpha.c (alpha_option_override): Likewise.
4445         * config/arc/arc.c (arc_init): Likewise.
4446         (parse_mrgf_banked_regs_option): Likewise.
4447         (arc_override_options): Likewise.
4448         (arc_expand_builtin_aligned): Likewise.
4449         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4450         (arm_expand_builtin): Likewise.
4451         * config/arm/arm.c (arm_option_check_internal): Likewise.
4452         (arm_configure_build_target): Likewise.
4453         (arm_option_override): Likewise.
4454         (arm_options_perform_arch_sanity_checks): Likewise.
4455         (arm_handle_cmse_nonsecure_entry): Likewise.
4456         (arm_handle_cmse_nonsecure_call): Likewise.
4457         (arm_tls_referenced_p): Likewise.
4458         (thumb1_expand_prologue): Likewise.
4459         * config/avr/avr.c (avr_option_override): Likewise.
4460         * config/bfin/bfin.c (bfin_option_override): Likewise.
4461         * config/c6x/c6x.c (c6x_option_override): Likewise.
4462         * config/cr16/cr16.c (cr16_override_options): Likewise.
4463         * config/cris/cris.c (cris_option_override): Likewise.
4464         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4465         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4466         * config/darwin.c (darwin_override_options): Likewise.
4467         * config/frv/frv.c (frv_expand_builtin): Likewise.
4468         * config/h8300/h8300.c (h8300_option_override): Likewise.
4469         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4470         (ix86_option_override_internal): Likewise.
4471         (warn_once_call_ms2sysv_xlogues): Likewise.
4472         (ix86_expand_prologue): Likewise.
4473         (split_stack_prologue_scratch_regno): Likewise.
4474         (ix86_warn_parameter_passing_abi): Likewise.
4475         * config/ia64/ia64.c (fix_range): Likewise.
4476         * config/m68k/m68k.c (m68k_option_override): Likewise.
4477         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4478         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4479         (mips_set_compression_mode): Likewise.
4480         * config/mmix/mmix.c (mmix_option_override): Likewise.
4481         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4482         * config/msp430/msp430.c (msp430_option_override): Likewise.
4483         * config/nds32/nds32.c (nds32_option_override): Likewise.
4484         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
4485         (nios2_option_override): Likewise.
4486         (nios2_expand_custom_builtin): Likewise.
4487         * config/nvptx/mkoffload.c (main): Likewise.
4488         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
4489         * config/pa/pa.c (fix_range): Likewise.
4490         (pa_option_override): Likewise.
4491         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
4492         (riscv_option_override): Likewise.
4493         * config/rl78/rl78.c (rl78_option_override): Likewise.
4494         * config/rs6000/aix61.h: Likewise.
4495         * config/rs6000/aix71.h: Likewise.
4496         * config/rs6000/aix72.h: Likewise.
4497         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
4498         * config/rs6000/freebsd64.h: Likewise.
4499         * config/rs6000/linux64.h: Likewise.
4500         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
4501         (rs6000_expand_zeroop_builtin): Likewise.
4502         (rs6000_expand_mtfsb_builtin): Likewise.
4503         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
4504         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
4505         (rs6000_invalid_builtin): Likewise.
4506         (rs6000_expand_split_stack_prologue): Likewise.
4507         * config/rs6000/rtems.h: Likewise.
4508         * config/rx/rx.c (valid_psw_flag): Likewise.
4509         (rx_expand_builtin): Likewise.
4510         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
4511         * config/s390/s390.c (s390_expand_builtin): Likewise.
4512         (s390_function_profiler): Likewise.
4513         (s390_option_override_internal): Likewise.
4514         (s390_option_override): Likewise.
4515         * config/sh/sh.c (sh_option_override): Likewise.
4516         (sh_builtin_saveregs): Likewise.
4517         (sh_fix_range): Likewise.
4518         * config/sh/vxworks.h: Likewise.
4519         * config/sparc/sparc.c (sparc_option_override): Likewise.
4520         * config/spu/spu.c (spu_option_override): Likewise.
4521         (fix_range): Likewise.
4522         * config/visium/visium.c (visium_option_override): Likewise.
4523         (visium_handle_interrupt_attr): Likewise.
4524         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
4525         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
4526         (dbg_cnt_process_opt): Likewise.
4527         * dwarf2out.c (output_dwarf_version): Likewise.
4528         * except.c (expand_eh_return): Likewise.
4529         * gcc.c (defined): Likewise.
4530         (driver_handle_option): Likewise.
4531         (process_command): Likewise.
4532         (compare_files): Likewise.
4533         (driver::prepare_infiles): Likewise.
4534         (driver::do_spec_on_infiles): Likewise.
4535         (driver::maybe_run_linker): Likewise.
4536         * omp-offload.c (oacc_parse_default_dims): Likewise.
4537         * opts-global.c (handle_common_deferred_options): Likewise.
4538         * opts.c (parse_sanitizer_options): Likewise.
4539         (common_handle_option): Likewise.
4540         (enable_warning_as_error): Likewise.
4541         * passes.c (enable_disable_pass): Likewise.
4542         * plugin.c (parse_plugin_arg_opt): Likewise.
4543         (default_plugin_dir_name): Likewise.
4544         * targhooks.c (default_expand_builtin_saveregs): Likewise.
4545         (default_pch_valid_p): Likewise.
4546         * toplev.c (init_asm_output): Likewise.
4547         (process_options): Likewise.
4548         (toplev::run_self_tests): Likewise.
4549         * tree-cfg.c (verify_gimple_call): Likewise.
4550         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
4551         (tree_inlinable_function_p): Likewise.
4552         * var-tracking.c (vt_find_locations): Likewise.
4553
4554 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
4555
4556         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
4557         only on the else branch.
4558
4559 2019-03-11  Martin Liska  <mliska@suse.cz>
4560
4561         * gcov.c (output_intermediate_json_line): Print function
4562         name of each line.
4563         (output_json_intermediate_file): Add new argument.
4564         * doc/gcov.texi: Document the change.
4565
4566 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
4567
4568         PR rtl-optimization/89588
4569         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4570         explicit unrolling factor more robust.
4571
4572 2019-03-11  Richard Biener  <rguenther@suse.de>
4573
4574         PR tree-optimization/89649
4575         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
4576         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
4577         on the prolog and epilog loops.
4578         (vect_loop_versioning): Return copy of loop.
4579         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
4580         on the non-vectorized version of the loop.
4581
4582 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
4583
4584         PR target/68924
4585         * config/i386/sse.md (*vec_extractv2di_0_sse):
4586         Add (=r,x) alternative and corresponding splitter.
4587
4588 2019-03-10  Martin Jambor  <mjambor@suse.cz>
4589
4590         PR tree-optimization/85762
4591         PR tree-optimization/87008
4592         PR tree-optimization/85459
4593         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
4594         it points to if there is a type changing MEM_REF.  Adjust all callers.
4595         (build_accesses_from_assign): Disable total scalarization if
4596         contains_vce_or_bfcref_p returns true through the new parameter, for
4597         both rhs and lhs.
4598
4599 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
4600
4601         PR c/88568
4602         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
4603         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
4604
4605         PR target/79645
4606         * common.opt (fdiagnostics-show-labels,
4607         fdiagnostics-show-line-numbers, fdiagnostics-format=,
4608         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
4609         gas-locview-support, ginline-points, ginternal-reset-location-views):
4610         Terminate description text with a dot.
4611         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
4612         * config/mcore/mcore.opt (m210, m340): Likewise.
4613         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
4614         mnops=): Start description text with a capital letter.
4615         * config/arc/arc.opt (msize-level=): Likewise.
4616         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
4617         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
4618         mnewlib): Likewise.
4619         * config/ft32/ft32.opt (msim): Likewise.
4620         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
4621         (mnodiv, mnopm): Terminate description text with a dot.
4622         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
4623         a colon.
4624         * config/i386/i386.opt (prefer_vector_width, instrument_return):
4625         Likewise.
4626         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
4627         text.
4628
4629         PR rtl-optimization/89634
4630         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
4631         are modified in BB_END (e->src) instruction.
4632
4633 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
4634
4635         PR target/79926
4636         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
4637         messages more amenable to translation, and improve wording.
4638
4639 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
4640
4641         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
4642         ud- and du-chains between phases.
4643
4644 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
4645
4646         PR debug/89631
4647         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
4648         instead of POLY_INT_CST.
4649
4650 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4651
4652         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
4653         requirement.
4654
4655 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
4656
4657         PR target/68924
4658         PR target/78782
4659         PR target/87558
4660         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
4661         (_mm_storeu_si64): Ditto.
4662
4663 2019-03-08  Martin Liska  <mliska@suse.cz>
4664
4665         PR target/86952
4666         * config/i386/i386.c (ix86_option_override_internal): Disable
4667         jump tables when retpolines are used.
4668
4669 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
4670
4671         PR go/63560
4672         * ipa-split.c (execute_split_functions): Do not split
4673         'noinline' or 'section' function.
4674
4675 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4676
4677         PR target/79846
4678         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
4679         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
4680         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
4681
4682         PR ipa/80000
4683         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4684         from diagnostics.  Formatting fixes.
4685
4686         PR target/85665
4687         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
4688         warn_odr diagnostics.
4689
4690         PR other/80058
4691         * lra-constraints.c (process_alt_operands): Avoid one space before
4692         " at the end of line and another after " on another line in a string
4693         literal.
4694         * attribs.c (handle_dll_attribute): Likewise.
4695         * config/avr/avr-devices.c (avr_texinfo): Likewise.
4696
4697         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
4698         warning_at or inform messages in G_() if there is no ?:.
4699
4700         PR tree-optimization/89550
4701         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
4702         returned true.  Formatting fixes.
4703         (expand_builtin_strnlen): Formatting fixes.
4704         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
4705         if warning_at returned true.
4706         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
4707
4708 2019-03-08  Richard Biener  <rguenther@suse.de>
4709
4710         PR middle-end/89578
4711         * cfgloop.h (struct loop): Add owned_clique field.
4712         * cfgloopmanip.c (copy_loop_info): Copy it.
4713         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
4714         cliques.
4715         * tree-inline.c (copy_loops): Remap owned_clique.
4716         * lto-streamer-in.c (input_cfg): Stream owned_clique.
4717         * lto-streamer-out.c (output_cfg): Likewise.
4718
4719 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4720
4721         PR target/80190
4722         * config/darwin.c: Include intl.h.
4723         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
4724         composing the message out of two separate parts.
4725
4726 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4727
4728         PR target/80003
4729         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
4730         doesn't start with a capital letter and doesn't end with a dot.
4731         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
4732         with a capital letter.
4733         (ix86_mangle_function_version_assembler_name): Likewise.
4734         (ix86_generate_version_dispatcher_body): Likewise.
4735         (fold_builtin_cpu): Likewise.
4736         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
4737         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
4738         translators, wrap full type name in %qs.
4739
4740         PR translation/79999
4741         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
4742         depend clause with source (or sink) modifier.
4743         * omp-expand.c (expand_omp_ordered_sink): Likewise.
4744
4745         PR target/89602
4746         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
4747         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
4748         (avx512f_load<mode>_mask): New define_expand.
4749         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
4750         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
4751         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
4752         __builtin_ia32_movess_mask): New builtins.
4753         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
4754         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
4755         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
4756         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
4757
4758 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4759
4760         PR lto/87525
4761         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
4762         for extern inline functions.
4763
4764 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4765
4766         PR ipa/88235
4767         * cgraph.h (cgraph_node): New inline method former_thunk_p.
4768         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
4769         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
4770         have multiple callees.  At the end check if declarations match as
4771         opposed to cgraph_nodes.
4772
4773 2019-03-07  Martin Liska  <mliska@suse.cz>
4774
4775         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
4776         which is equivalent to searching for this in clones chain.
4777         * symtab.c (symtab_node::verify_base): Similarly compare ASM
4778         names with a neighbour and special case first node in a chain.
4779
4780 2019-01-25  Jason Merrill  <jason@redhat.com>
4781
4782         PR c++/80916 - spurious "static but not defined" warning.
4783         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
4784         for an internal symbol with DECL_EXTERNAL.
4785
4786 2019-04-07  Richard Biener  <rguenther@suse.de>
4787
4788         PR middle-end/89618
4789         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
4790         * tree-inline.c (copy_loops): Simplify.
4791
4792 2019-03-07  Martin Liska  <mliska@suse.cz>
4793
4794         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
4795
4796 2019-03-07  Richard Biener  <rguenther@suse.de>
4797
4798         PR tree-optimization/89595
4799         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
4800         stmt iterator as reference, take boolean output parameter to
4801         indicate whether the stmt was removed and thus the iterator
4802         already advanced.
4803         (dom_opt_dom_walker::before_dom_children): Re-iterate over
4804         stmts created by folding.
4805
4806 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4807
4808         PR c++/89585
4809         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
4810         at toplevel.
4811
4812 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
4813
4814         PR rtl-optimization/88845
4815         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
4816         LRA.
4817         * lra.c (remove_scratches_1): New function.
4818         (remove_scratches): Use it.
4819         (lra_emit_move): Likewise.
4820
4821 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
4822
4823         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
4824         unaligned_access variable.
4825         * config/arc/arc.c (arc_override_options): Set unaligned access
4826         default on for HS CPUs.
4827         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
4828
4829 2019-03-06  Martin Liska  <mliska@suse.cz>
4830
4831         PR gcov-profile/89577
4832         * doc/gcov.texi: Prefer to use --coverage.
4833         * doc/sourcebuild.texi: Likewise.
4834
4835 2019-03-02  Jason Merrill  <jason@redhat.com>
4836
4837         PR c++/86485 - -Wmaybe-unused with empty class ?:
4838         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
4839
4840 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4841
4842         PR target/89587
4843         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
4844         if_multiarch.
4845
4846         PR middle-end/89590
4847         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
4848         exactly one argument.
4849
4850 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4851             Richard Sandiford  <richard.sandiford@arm.com>
4852
4853         PR tree-optimization/89570
4854         * match.pd (vec_cond into cond_op simplification): Don't use
4855         get_conditional_internal_fn, use as_internal_fn (cond_op).
4856
4857 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
4858
4859         PR target/89222
4860         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
4861         to decide when to split off a non-zero offset from a symbol.
4862         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
4863         in function symbols.
4864
4865 2019-03-05  Richard Biener  <rguenther@suse.de>
4866
4867         PR tree-optimization/89594
4868         * tree-if-conv.c (pass_if_conversion::execute): Handle
4869         case where .LOOP_VECTORIZED_FUNCTION was removed.
4870
4871 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4872
4873         PR bootstrap/89560
4874         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
4875         instead alloca it only when needed with the needed size.
4876
4877         PR tree-optimization/89570
4878         * match.pd (vec_cond into cond_op simplification): Guard with
4879         vectorized_internal_fn_supported_p test and #if GIMPLE.
4880
4881         PR tree-optimization/89566
4882         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
4883         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
4884         Punt if get_user_idx_format succeeds, but idx_format argument is
4885         not provided or doesn't have pointer type, or if idx_args is above
4886         number of provided arguments.
4887
4888 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
4889
4890         PR tree-optimization/89437
4891         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
4892
4893 2019-03-04  Richard Biener  <rguenther@suse.de>
4894
4895         PR middle-end/89572
4896         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
4897         safe_dyn_cast.
4898
4899 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
4900
4901         PR tree-optimization/89487
4902         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
4903         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
4904         (distribute_loop): Don't do runtime alias check if there is non-
4905         addressable data reference.
4906         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
4907         is a register variable.
4908
4909 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
4910
4911         PR target/89506
4912         * config/arm/arm.md (cmpsi2_addneg): Use
4913         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
4914         If operands[2] is 0 or INT_MIN, force use of subs.
4915         (*compare_scc splitter): Use gen_int_mode.
4916         (*negscc): Likewise.
4917         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
4918
4919 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
4920             Monk Chiang  <sh.chiang04@gmail.com>
4921
4922         * common/config/riscv/riscv-common.c: Include sstream.
4923         (riscv_subset_list::to_string): New.
4924         (riscv_arch_str): Likewise.
4925         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
4926         * config.in: Regen.
4927         * config/riscv/riscv-protos.h (riscv_arch_str): New.
4928         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
4929         (riscv_emit_attribute): New.
4930         (riscv_file_start): Emit attribute if needed.
4931         (riscv_option_override): Init riscv_emit_attribute_p.
4932         * config/riscv/riscv.opt (mriscv-attribute): New option.
4933         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
4934         * configure: Regen.
4935         * doc/install.texi: Document --with-riscv-attribute.
4936         * doc/invoke.texi: Document -mriscv-attribute.
4937
4938         * common/config/riscv/riscv-common.c:
4939         Include config/riscv/riscv-protos.h.
4940         (INCLUDE_STRING): Defined.
4941         (RISCV_DONT_CARE_VERSION): Defined.
4942         (riscv_subset_t): Declare.
4943         (riscv_subset_t::riscv_subset_t): New.
4944         (riscv_subset_list): Declare.
4945         (riscv_subset_list::riscv_subset_list): New.
4946         (riscv_subset_list::~riscv_subset_list): Likewise.
4947         (riscv_subset_list::parsing_subset_version): Likewise.
4948         (riscv_subset_list::parse_std_ext): Likewise.
4949         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4950         (riscv_subset_list::add): Likewise.
4951         (riscv_subset_list::lookup): Likewise.
4952         (riscv_subset_list::xlen): Likewise.
4953         (riscv_subset_list::parse): Likewise.
4954         (riscv_supported_std_ext): Likewise.
4955         (current_subset_list): Likewise.
4956         (riscv_parse_arch_string): Using riscv_subset_list::parse to
4957         parse.
4958
4959 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
4960
4961         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
4962         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
4963         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
4964
4965 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
4966
4967         PR rtl-optimization/85899
4968         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
4969         fallthru edges leading to the exit block.
4970
4971 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
4972
4973         PR target/89517
4974         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
4975         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
4976
4977 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
4978
4979         PR tree-optimization/89535
4980         * tree-vect-stmts.c (vectorizable_call): Record the vector types
4981         for each operand.  Calculate the fallback choice for mask operands
4982         and pass it to vect_get_vec_def_for_operand.
4983
4984 2019-03-01  Richard Biener  <rguenther@suse.de>
4985
4986         PR middle-end/89541
4987         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
4988         get virtual operands.
4989         (get_expr_operands): Handle CONST_DECL like other decls.
4990
4991 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
4992
4993         PR middle-end/89503
4994         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
4995         on DECL_P and EXPR_P.
4996
4997 2019-03-01  Richard Biener  <rguenther@suse.de>
4998
4999         PR middle-end/89497
5000         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5001         argument, defaulted to zero.
5002         * passes.c (execute_function_todo): Pass down SSA update flags
5003         to cleanup_tree_cfg.
5004         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5005         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5006         form if requested.
5007         (cleanup_tree_cfg): Get and pass down SSA update flags.
5008
5009 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5010
5011         PR bootstrap/89539
5012         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5013         early_lto_debug argument.
5014
5015 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5016
5017         PR tree-optimization/89536
5018         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5019         only whether bit #0 of the value is 0 instead of the entire value.
5020
5021 2019-02-28  Marek Polacek  <polacek@redhat.com>
5022
5023         PR c++/87068 - missing diagnostic with fallthrough statement.
5024         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5025         at the end of a seq, save its location to walk_stmt_info.
5026         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5027         a switch.
5028
5029 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5030
5031         PR lto/88585
5032         * tree.c (find_atomic_core_type): Move ahead in file.
5033         (check_base_type): Correctly compare alignments of atomic types.
5034
5035 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5036
5037         PR target/89455
5038         * config/i386/i386.c (get_builtin_code_for_version): Identify
5039         Westmere from PCLMUL, instead of AES.
5040
5041 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5042
5043         PR target/89434
5044         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5045         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5046         -UINTVAL (...).
5047
5048 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5049
5050         PR target/88530
5051         * config/aarch64/aarch64-option-extensions.def: Document it.
5052         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5053         if empty hwcaps.
5054
5055 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5056
5057         PR c/89520
5058         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5059         builtins if they don't have a single scalar floating point argument.
5060         Formatting fixes.
5061
5062 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5063
5064         PR rtl-optimization/89490
5065         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5066         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5067         block section is not mergeable.
5068
5069 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5070
5071         PR target/70341
5072         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5073         old define_insn to ...
5074         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5075         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5076         Rename old define_insn to ...
5077         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5078         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5079         define_insn to ...
5080         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5081         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5082         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5083
5084 2019-02-27  Richard Biener  <rguenther@suse.de>
5085
5086         PR debug/88878
5087         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5088
5089 2019-02-27  Richard Biener  <rguenther@suse.de>
5090
5091         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5092         building.
5093
5094 2019-02-27  Richard Biener  <rguenther@suse.de>
5095
5096         PR debug/88878
5097         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5098         parameter, prefix section name with .gnu.debuglto_ if true.
5099         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5100         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5101
5102 2019-02-27  Richard Biener  <rguenther@suse.de>
5103
5104         PR debug/89514
5105         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5106         rather than on use_debug_types, doing what output_die does.
5107         (value_format): Likewise.
5108
5109 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5110             Martin Sebor  <msebor@redhat.com>
5111
5112         * doc/invoke.texi (Warning Options): Reword description of
5113         -Wno-absolute-value.
5114
5115 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5116
5117         PR tree-optimization/89280
5118         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5119         builtin_setjmp_setup_bb): New functions.
5120         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5121         When visiting __builtin_setjmp_setup block, queue in special
5122         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5123         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5124         from visited after the loop if they don't have any visited successor
5125         blocks.
5126
5127 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5128
5129         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5130         New function.
5131         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5132
5133 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5134
5135         PR c++/89507
5136         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5137         with types other than sizetype/ssizetype.
5138
5139 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5140
5141         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5142         (enum sparc_processor_type): ...this.
5143         (enum sparc_code_model_type): New enumeration type.
5144         (enum sparc_memory_model_type): Tweak comments.
5145         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5146         (mtune): Likewise.
5147         (mcmodel): Use sparc_code_model enumeration and variable.
5148         (sparc_code_model): New enumeration.
5149         (mdebug): Add Undocumented marker.
5150         * config/sparc/sparc.h (enum cmodel): Delete.
5151         (sparc_cmodel): Likewise.
5152         (TARGET_CM_MEDLOW): Adjust to above renaming.
5153         (TARGET_CM_MEDMID): Likewise.
5154         (TARGET_CM_MEDANY): Likewise.
5155         (TARGET_CM_EMBMEDANY): Likewise.
5156         * config/sparc/sparc.c (sparc_cmodel): Delete.
5157         (sparc_option_override): Remove string/value mapping support for the
5158         code model.  Move code and memory model support to after the handling
5159         of target flags.  Do private machine setup last.
5160         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5161         (sparc_legitimize_reload_address): Likewise.
5162         (sparc_output_mi_thunk): Likewise.
5163         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5164
5165 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5166
5167         PR tree-optimization/89500
5168         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5169         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5170         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5171         cst if the first cst bytes starting at x are known to be non-zero,
5172         even if the string is not zero terminated.  Don't try to modify
5173         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5174         we can prove strnlen returns the same value as strlen would.
5175
5176 2019-02-26  Martin Liska  <mliska@suse.cz>
5177
5178         * alloc-pool.h (struct pool_usage): Remove extra
5179         print_dash_line.
5180         * bitmap.h (struct bitmap_usage): Likewise.
5181         * ggc-common.c (struct ggc_usage): Likewise.
5182         * mem-stats.h (struct mem_usage): Likewise.
5183         (mem_alloc_description::dump): Print dash lines
5184         here and repeat header at the end of a table report.
5185         It's then more readable.
5186         * tree-phinodes.c (phinodes_print_statistics): Make
5187         horizontal alignment.
5188         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5189         * vec.c (struct vec_usage): Remove extra print_dash_line.
5190         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5191
5192 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5193
5194         * doc/extend.texi (__builtin_object_size):
5195         Use @pxref instead of @xref inside parenthesis.
5196         (__builtin_has_attribute): Add missing comma after @xref.
5197         (__builtin_object_size): Ditto.
5198         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5199         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5200         in the list.
5201
5202 2019-02-26  Jeff Law  <law@redhat.com>
5203
5204         PR rtl-optimization/87761
5205         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5206         detect obviously dead insns and delete them.
5207
5208 2019-02-26  Richard Biener  <rguenther@suse.de>
5209
5210         PR tree-optimization/89505
5211         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5212         to handle restrict pointed-to vars with multiple subvars
5213         correctly.
5214
5215 2019-02-26  Richard Biener  <rguenther@suse.de>
5216
5217         PR tree-optimization/89489
5218         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5219
5220 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5221
5222         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5223         and move around comment.
5224         <BIT_AND_EXPR>: Likewise.
5225         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5226
5227 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5228
5229         PR target/89474
5230         * config/i386/i386.c (remove_partial_avx_dependency): Call
5231         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5232         after changing possibly many instructions to use that pseudo.  Fix up
5233         insertion of v4sf_const0 setter at the start of bb.
5234
5235 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5236
5237         PR c/80409
5238         * doc/extend.texi (Variadic Pointer Args): New section.
5239
5240 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5241             Martin Sebor  <msebor@gmail.com>
5242
5243         * common.opt (Wattribute-alias): Likewise.
5244         * doc/invoke.texi (Option Summary): List general form of
5245         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5246         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5247         Add cross-references.
5248         (-Wattribute-alias): Rewrite and correct default.  Mention
5249         considered attributes (same as for -Wmissing-attributes).
5250
5251 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5252
5253         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5254         (_mm_cvtpd_ps): Likewise.
5255         (_mm_cvttpd_epi32): Likewise.
5256
5257         PR target/89338
5258         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5259         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5260
5261         PR target/89339
5262         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5263
5264 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5265
5266         PR target/88530
5267         * common/config/aarch64/aarch64-common.c
5268         (struct aarch64_option_extension): Add is_synthetic.
5269         (all_extensions): Use it.
5270         (TARGET_OPTION_INIT_STRUCT): Define hook.
5271         (struct gcc_targetm_common): Moved to end.
5272         (all_extensions_by_on): New.
5273         (opt_ext_cmp, typedef opt_ext): New.
5274         (aarch64_option_init_struct): New.
5275         (aarch64_contains_opt): New.
5276         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5277         * config/aarch64/aarch64-option-extensions.def
5278         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5279         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5280         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5281         Set is_synthetic to false.
5282         (crypto): Set is_synthetic to true.
5283         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5284         SYNTHETIC.
5285
5286 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5287
5288         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5289         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5290         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5291         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5292         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5293         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5294         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5295         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5296         Rename ...
5297         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5298         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5299         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5300         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5301         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5302         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5303         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5304         vfmlsl_laneq_high_f16): ... To this.
5305         * config/arm/neon.md: Update comments.
5306
5307 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5308
5309         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5310         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5311         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5312         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5313         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5314         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5315         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5316         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5317         Rename ...
5318         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5319         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5320         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5321         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5322         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5323         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5324         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5325         vfmlslq_laneq_high_f16): ... To this.
5326
5327 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5328
5329         PR rtl-optimization/86096
5330         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5331         comparing mw_order values.
5332
5333 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5334
5335         PR target/89434
5336         * config/arm/arm.md (*subsi3_carryin_const): Use
5337         arm_neg_immediate_operand predicate instead of
5338         arm_not_immediate_operand, "L" constraint instead of "K" and
5339         print it using %n2 instead of %B2.
5340         (*subsi3_carryin_const0): New define_insn.
5341         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5342         instead of arm_not_operand and "I" constraint instead of "K" and
5343         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5344         another match_operand and in the condition check that it is negation
5345         of operands[2].
5346         (*subsi3_carryin_compare_const0): New define_ins.
5347         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5348         *subsi3_carryin_const.
5349         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5350         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5351
5352         PR target/89438
5353         * config/arm.vfp.md (*negdf2_vfp): Use
5354         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5355         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5356
5357 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5358
5359         PR rtl-optimization/89445
5360         * simplify-rtx.c (simplify_ternary_operation): Don't use
5361         simplify_merge_mask on operands that may trap.
5362         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5363         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5364         second operand is CONST_VECTOR, check if any element could be zero.
5365         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5366         their operands can trap.
5367
5368 2019-02-23  Martin Sebor  <msebor@redhat.com>
5369
5370         * gimple-ssa-sprintf.c (target_strtol): Rename...
5371         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5372         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5373         check for range error.
5374
5375 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5376
5377         PR driver/69471
5378         * opts-common.c (prune_options): Also prune joined switches
5379         with Negative and RejectNegative.
5380         * config/i386/i386.opt (march=): Add Negative(march=).
5381         (mtune=): Add Negative(mtune=).
5382         * doc/options.texi: Document Negative used together with Joined
5383         and RejectNegative.
5384
5385 2019-02-22  Martin Sebor  <msebor@redhat.com>
5386
5387         * doc/extend.texi (Other Builtins): Add
5388         __builtin_is_constant_evaluated.
5389
5390 2019-02-22  Richard Biener  <rguenther@suse.de>
5391
5392         PR tree-optimization/87609
5393         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5394
5395 2019-02-22  Jeff Law  <law@redhat.com>
5396
5397         PR rtl-optimization/87761
5398         * config/mips/mips.md: Add new combiner pattern to recognize
5399         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5400
5401 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5402
5403         PR target/89324
5404         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5405         destination register in peepholes generating patterns for ADDS/SUBS.
5406         (add<mode>3_compare0,
5407         *addsi3_compare0_uxtw, add<mode>3_compareC,
5408         add<mode>3_compareV_imm, add<mode>3_compareV,
5409         *adds_<optab><ALLX:mode>_<GPI:mode>,
5410         *subs_<optab><ALLX:mode>_<GPI:mode>,
5411         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5412         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5413         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5414         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5415         sub<mode>3_compare1): Allow stack pointer for source register.
5416         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5417
5418 2019-02-22  Martin Sebor  <msebor@redhat.com>
5419
5420         PR tree-optimization/88993
5421         PR tree-optimization/88853
5422         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5423         New helper.
5424         (sprintf_dom_walker::call_info::is_string_func): New helper.
5425         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5426         for formatted string functions.
5427         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5428
5429 2019-02-22  Martin Sebor  <msebor@redhat.com>
5430
5431         PR c/89425
5432         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5433         unreachable subexpressions.
5434
5435 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5436             Hongtao Liu  <hongtao.liu@intel.com>
5437             Sunil K Pandey  <sunil.k.pandey@intel.com>
5438
5439         PR target/87007
5440         * config/i386/i386-passes.def: Add
5441         pass_remove_partial_avx_dependency.
5442         * config/i386/i386-protos.h
5443         (make_pass_remove_partial_avx_dependency): New.
5444         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5445         New function.
5446         (pass_data_remove_partial_avx_dependency): New.
5447         (pass_remove_partial_avx_dependency): Likewise.
5448         (make_pass_remove_partial_avx_dependency): Likewise.
5449         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5450         (*extendsfdf2): Add avx_partial_xmm_update.
5451         (truncdfsf2): Likewise.
5452         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5453         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5454
5455 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5456
5457         PR middle-end/85598
5458         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5459         analysis for pass.
5460
5461 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5462
5463         PR target/89444
5464         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5465         (PTA_SKYLAKE): Add PTA_AES.
5466         (PTA_GOLDMONT): Likewise.
5467
5468 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5469
5470         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5471         instruction if enabled.
5472         (aarch64_override_options): Remove reference to return address key.
5473
5474 2019-02-22  Richard Biener  <rguenther@suse.de>
5475
5476         PR tree-optimization/89440
5477         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5478         not necessary assert.
5479
5480 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5481
5482         PR fortran/72741
5483         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5484         (oacc_replace_fn_attrib_attr): ... this new function.
5485         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
5486         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
5487
5488 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5489
5490         * config/arm/arm-cpus.in (ares): Rename to...
5491         (neoverse-n1): ... This.  Add ares as alias.
5492         * config/arm/arm-tables.opt: Regenerate.
5493         * config/arm/arm-tune.md: Likewise.
5494         * doc/invoke.txt (ARM Options): Document neoverse-n1.
5495
5496 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5497
5498         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
5499         * config/aarch64/aarch64-tune.md: Regenerate.
5500         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
5501
5502 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5503
5504         * config/aarch64/aarch64.c (ares_tunings): Rename to...
5505         (neoversen1_tunings): ... This.
5506         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
5507         (neoverse-n1): New CPU.
5508         * config/aarch64/aarch64-tune.md: Regenerate.
5509         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
5510
5511 2019-02-22  Richard Biener  <rguenther@suse.de>
5512
5513         PR middle-end/87609
5514         * cfghooks.h (dependence_hash): New typedef.
5515         (struct copy_bb_data): New type.
5516         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
5517         (duplicate_block): Likewise.
5518         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
5519         (copy_bbs): Create and pass down copy_bb_data.
5520         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
5521         (rtl_duplicate_bb): Likewise.
5522         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
5523         remap dependence info.
5524
5525 2019-02-22  Richard Biener  <rguenther@suse.de>
5526
5527         PR tree-optimization/87609
5528         * tree-core.h (tree_base): Document special clique values.
5529         * tree-inline.c (remap_dependence_clique): Do not use the
5530         special clique value of one.
5531         (maybe_set_dependence_info): Use clique one.
5532         (clear_dependence_clique): New callback.
5533         (compute_dependence_clique): Clear clique one from all refs
5534         before assigning it (again).
5535
5536 2019-02-21  Martin Sebor  <msebor@redhat.com>
5537
5538         * doc/extend.texi (__clear_cache): Correct signature.
5539
5540 2019-02-21  Ian Lance Taylor  <iant@golang.org>
5541
5542         PR go/89170
5543         * varasm.c (decode_addr_const): Call lookup_constant_def rather
5544         than output_constant_def.
5545         (add_constant_to_table): New static function.
5546         (output_constant_def): Call add_constant_to_table.
5547         (tree_output_constant_def): Likewise.
5548
5549 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5550
5551         PR c++/89285
5552         * builtins.c (fold_builtin_arith_overflow): If first two args are
5553         INTEGER_CSTs, set intres and ovfres to constants rather than calls
5554         to ifn.
5555
5556 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5557
5558         PR target/87412
5559         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
5560         error for -mindirect-branch/-mfunction-return with incompatible
5561         -fcf-protection.
5562
5563 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5564
5565         PR bootstrap/88714
5566         * constraints.md (q): Remove.
5567         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
5568         instead of q.
5569
5570 2019-02-21  Martin Jambor  <mjambor@suse.cz>
5571
5572         PR hsa/89302
5573         * omp-general.c (omp_extract_for_data): Removed a duplicate call
5574         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
5575         (omp_adjust_for_condition): ...here.  Added necessary parameters.
5576         * omp-general.h (omp_adjust_for_condition): Updated declaration.
5577         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
5578         proper values to new parameters of omp_adjust_for_condition.
5579
5580 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5581
5582         PR middle-end/89412
5583         * expr.c (expand_assignment): If result is a MEM, use change_address
5584         instead of simplify_gen_subreg.
5585
5586 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5587             David Malcolm  <dmalcolm@redhat.com>
5588
5589         PR middle-end/89091
5590         * fold-const.c (decode_field_reference): Return NULL_TREE if
5591         lang_hooks.types.type_for_size returns NULL.  Check it before
5592         overwriting *exp_.  Use return NULL_TREE instead of return 0.
5593
5594 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5595
5596         PR middle-end/88074
5597         PR middle-end/89415
5598         * toplev.c (do_compile): Double the emin/emax exponents to workaround
5599         buggy mpc_norm.
5600
5601 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
5602
5603         PR target/89397
5604         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
5605         TARGET_SSE in addition to TARGET_SSE_MATH.
5606
5607         (ix86_excess_precision): Ditto.
5608         (ix86_float_exceptions_rounding_supported_p): Ditto.
5609         (use_rsqrt_p): Ditto.
5610         * config/i386/sse.md (rsqrt<mode>2): Ditto.
5611
5612 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
5613
5614         PR c/89410
5615         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
5616         linenum_arith_t when determining if two adjacent line spans are
5617         close enough to merge.
5618         (diagnostic_show_locus): Use linenum_arith_t when iterating over
5619         lines within each line_span.
5620
5621 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
5622
5623         PR target/86487
5624         * lra-constraints.c(uses_hard_regs_p): Fix handling of
5625         paradoxical SUBREGS.
5626
5627 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
5628
5629         PR target/88100
5630         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
5631         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
5632         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
5633         range checking it.
5634
5635 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
5636
5637         * config/gcn/gcn.c (print_operand): Fix typo.
5638
5639 2019-02-19  Richard Biener  <rguenther@suse.de>
5640
5641         PR middle-end/88074
5642         * toplev.c (do_compile): Initialize mpfr's exponent range
5643         based on available float modes.
5644
5645 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5646
5647         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
5648         as long as the epilogue isn't completed.
5649
5650 2019-02-18  Martin Sebor  <msebor@redhat.com>
5651
5652         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
5653         __has_cpp_attribute, and __has_include.
5654
5655 2019-02-18  Martin Sebor  <msebor@redhat.com>
5656
5657         * doc/invoke.texi (-Wreturn-type): Correct and expand.
5658
5659 2019-02-18  Martin Sebor  <msebor@redhat.com>
5660
5661         PR middle-end/89294
5662         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
5663         expression.
5664         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
5665
5666 2019-02-18  Richard Biener  <rguenther@suse.de>
5667
5668         PR tree-optimization/89296
5669         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
5670         of no-warning flag to cases that might emit the bogus warning.
5671
5672 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
5673
5674         PR bootstrap/88714
5675         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
5676         "q" constraint.
5677         * config/arm/vfp.md (*movdi_vfp): Likewise.
5678         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
5679         "q" constraint for operands[0].
5680
5681         PR target/89369
5682         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
5683         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
5684         pattern in a temporary buffer.
5685         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
5686         than 64-operands[2].
5687
5688         PR target/89361
5689         * config/s390/s390.c (s390_indirect_branch_attrvalue,
5690         s390_indirect_branch_settings): Define unconditionally.
5691         (s390_set_current_function): Likewise, but guard the whole body except
5692         the s390_indirect_branch_settings call with
5693         #if S390_USE_TARGET_ATTRIBUTE.
5694         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
5695
5696         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
5697         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
5698         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
5699         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
5700         HOST_WIDE_INT_1U instead of 1ULL.
5701         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
5702         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
5703         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
5704         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
5705         instead of 1UL.
5706         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
5707         instead of 1ul.
5708
5709 2019-02-18  Martin Jambor  <mjambor@suse.cz>
5710
5711         PR tree-optimization/89209
5712         * tree-sra.c (create_access_replacement): New optional parameter
5713         reg_tree.  Use it as a type if non-NULL and access type is not of
5714         a register type.
5715         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
5716         to create_access_replacement.
5717         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
5718         Check lacc is non-NULL before attempting to re-create it on the RHS.
5719
5720 2019-02-18  Martin Liska  <mliska@suse.cz>
5721
5722         PR ipa/89306
5723         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
5724         by default.
5725         (symbol_table::free_edge): Recycle m_summary_id.
5726         * cgraph.h (get_summary_id): New.
5727         (symbol_table::release_symbol): Set m_summary_id to -1
5728         by default.
5729         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
5730         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
5731         function_summary to fast_function_summary.
5732         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
5733         * ipa-pure-const.c (class funct_state_summary_t):
5734         Switch from function_summary to fast_function_summary.
5735         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
5736         (class ipa_ref_opt_summary_t): Switch from function_summary
5737         to fast_function_summary.
5738         * symbol-summary.h (class function_summary_base): New class
5739         that is created from base of former function_summary.
5740         (function_summary_base::unregister_hooks): New.
5741         (class function_summary): Inherit from function_summary_base.
5742         (class call_summary_base): New class
5743         that is created from base of former call_summary.
5744         (class call_summary): Inherit from call_summary_base.
5745         (struct is_same): New.
5746         (class fast_function_summary): New summary class.
5747         (class fast_call_summary): New summary class.
5748         * vec.h (vec_safe_grow_cleared): New function.
5749
5750 2019-02-18  Martin Liska  <mliska@suse.cz>
5751
5752         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
5753         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
5754         * doc/tm.texi: Document new target hook.
5755         * doc/tm.texi.in: Likewise.
5756         * target.def: Add new target macro.
5757         * gcc.c (find_fortran_preinclude_file): Do not search multilib
5758         suffixes.
5759
5760 2019-02-17  Alan Modra  <amodra@gmail.com>
5761
5762         PR target/89271
5763         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
5764         output reg on add insn.
5765         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
5766
5767 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5768
5769         PR target/89372
5770         * config/i386/sse.md (ssedoublemode): Remove V4HI.
5771         (PMULHRSW): Likewise.
5772         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
5773         TARGET_AVX2.
5774         (ssse3_pmulhrswv4hi3): New expander.
5775
5776 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5777
5778         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
5779         MMX.  Add isa attribute.
5780
5781 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
5782
5783         PR rtl-optimization/66152
5784         * builtins.h (c_readstr): Declare.
5785         * builtins.c (c_readstr): Remove forward declaration.  Add
5786         null_terminated_p argument, if false, read all bytes from the
5787         string instead of stopping after '\0'.
5788         * expr.c (string_cst_read_str): New function.
5789         (store_expr): Use string_cst_read_str instead of
5790         builtin_strncpy_read_str.  Try to store by pieces the whole
5791         exp_len first, and only if that fails, split it up into
5792         store by pieces followed by clear_storage.  Formatting fix.
5793
5794         * config/i386/i386.md (*movqi_internal): Remove static from
5795         buf variable.  Use output_asm_insn (buf, operands); return "";
5796         instead of return buf;.
5797         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
5798         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
5799         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
5800
5801 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5802
5803         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
5804         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
5805         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
5806         (CC1_SPEC): Likewise.
5807         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
5808
5809 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5810
5811         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
5812         the base address on 64-bit strict-alignment platforms.
5813
5814 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5815
5816         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
5817
5818 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5819
5820         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
5821
5822 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
5823
5824         PR rtl-optimization/88308
5825         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
5826         on copied instruction.
5827
5828 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5829
5830         * final.c (insn_current_reference_address): Replace test on JUMP_P
5831         with test on jump_to_label_p.
5832         * config/visium/visium-passes.def: New file.
5833         * config/visium/t-visium (PASSES_EXTRA): Define.
5834         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
5835         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
5836         (TRAMPOLINE_ALIGNMENT): Define.
5837         * config/visium/visium.c (visium_option_override): Do not register
5838         the machine-specific reorg pass here.
5839         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
5840         for the GR6.
5841         (output_branch): Adjust threshold for long branch instruction.
5842         * config/visium/visium.md (cpu): Move around.
5843         (length): Adjust for the GR6.
5844
5845 2019-02-15  Richard Biener  <rguenther@suse.de>
5846             Jakub Jelinek  <jakub@redhat.com>
5847
5848         PR tree-optimization/89278
5849         * tree-loop-distribution.c: Include tree-eh.h.
5850         (generate_memset_builtin, generate_memcpy_builtin): Call
5851         rewrite_to_non_trapping_overflow on builtin->size before passing it
5852         to force_gimple_operand_gsi.
5853
5854 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
5855
5856         PR other/89342
5857         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
5858         optimize_debug.
5859         * opth-gen.awk: Likewise.
5860
5861 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5862
5863         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
5864         Enable MMX, SSE and SSE2 by default.
5865         * config/i386/i386.c (ix86_option_override_internal): Do not
5866         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
5867
5868 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
5869
5870         PR rtl-optimization/89354
5871         * combine.c (make_extraction): Punt if extraction_mode is narrower
5872         than len bits.
5873
5874 2019-02-14  Maya Rashish  <coypu@sdf.org>
5875
5876         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
5877         * config/netbsd-d.c: New file.
5878         * config/t-netbsd: Add netbsd-d.o
5879
5880 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
5881
5882         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
5883         affects_type_identity to true for aarch64_vector_pcs.
5884         (aarch64_comp_type_attributes): New function.
5885         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
5886
5887 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
5888
5889         PR target/88850
5890         * config/arm/iterators.md (ANY64): Add V4HF.
5891
5892 2019-02-14  Martin Liska  <mliska@suse.cz>
5893
5894         PR rtl-optimization/89242
5895         * dce.c (delete_unmarked_insns): Call free_dominance_info we
5896         process a transformation.
5897
5898 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
5899
5900         PR tree-optimization/89314
5901         * fold-const.c (fold_binary_loc): Cast strlen argument to
5902         const char * before dereferencing it.  Formatting fixes.
5903
5904         PR middle-end/89284
5905         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
5906
5907 2019-02-13  Ian Lance Taylor  <iant@golang.org>
5908
5909         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
5910         and set current index for other optimizations.
5911
5912 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
5913
5914         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
5915         nonimmediate_operand as operand 2 predicate.
5916         (vec_set<VF2_512_256:mode>_0): Ditto.
5917         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
5918         (*vec_concatv2si): Remove alternative 2.
5919         (*vec_concatv4si_0): Use vm constraint for alternative 0.
5920         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
5921         (vec_concatv2di): Split alternatives 4,5,6 to ...
5922         (*vec_concatv2di_0) ... new pattern.
5923
5924 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
5925
5926         PR target/89190
5927         * config/arm/arm.c (ldm_stm_operation_p) Set
5928         addr_reg_in_reglist correctly for first register.
5929         (load_multiple_sequence): Remove dead base check.
5930         (gen_ldm_seq): Correctly set write_back for Thumb-1.
5931
5932 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
5933
5934         PR target/88847
5935         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
5936         Expose as @aarch64_pred_mov.
5937         * config/aarch64/aarch64.c (aarch64_classify_address):
5938         Use expand_insn which legitimizes operands.
5939
5940 2019-02-13  Martin Liska  <mliska@suse.cz>
5941
5942         * builtins.h (expand_builtin_with_bounds): Remove declaration.
5943         * calls.c (struct arg_data): Remove special_slot, pointer_arg
5944         and pointer_offset fields.
5945         (initialize_argument_information): Remove usage of dead
5946         fields.
5947         * cgraph.h (struct cgraph_thunk_info): Remove
5948         add_pointer_bounds_args.
5949         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
5950         fields.
5951         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
5952         fields.
5953         * config/i386/i386.c (ix86_function_arg_advance): Remove
5954         unrelated comment.
5955         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
5956         (def_builtin):  Remove usage of dead
5957         fields.
5958         (ix86_add_new_builtins): Likewise.
5959         * ipa-fnsummary.c (compute_fn_summary): Likewise.
5960         * ipa-icf.c (sem_function::equals_wpa): Likewise.
5961         (sem_function::init): Likewise.
5962         (sem_variable::merge): Likewise.
5963         * ipa-visibility.c (function_and_variable_visibility): Likewise.
5964         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
5965         * lto-cgraph.c (lto_output_node): Likewise.
5966         (lto_output_varpool_node): Likewise.
5967         (input_node): Likewise.
5968         (input_varpool_node): Likewise.
5969         * lto-streamer-out.c (lto_output): Likewise.
5970         * tree-inline.c (expand_call_inline): Remove usage of
5971         assign_stmts.
5972         * tree-inline.h (struct copy_body_data): Likewise.
5973         * varpool.c (varpool_node::dump): Likewise.
5974
5975 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
5976
5977         PR middle-end/89303
5978         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
5979         into pt->vars_contains_escaped_heap instead of setting
5980         pt->vars_contains_escaped_heap to it.
5981
5982         PR middle-end/89281
5983         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
5984         INTVAL (size), compare it to GET_MODE_MASK instead of
5985         1 << GET_MODE_BITSIZE.
5986
5987         PR target/89290
5988         * config/i386/predicates.md (x86_64_immediate_operand): Allow
5989         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
5990         -mcmodel=large.
5991
5992 2019-02-13  Martin Liska  <mliska@suse.cz>
5993
5994         PR lto/88858
5995         * cfgrtl.c (remove_barriers_from_footer): New function.
5996         (try_redirect_by_replacing_jump): Use it.
5997         (cfg_layout_redirect_edge_and_branch): Likewise.
5998
5999 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6000
6001         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6002         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6003         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6004         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6005         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6006         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6007         New BU_CRYPTO_2.
6008         * config/rs6000/rs6000.c (builtin_function_type)
6009         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6010         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6011         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6012         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6013         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6014
6015 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6016
6017         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6018         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6019
6020 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6021
6022         PR target/89229
6023         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6024         268678 and revision 268657.
6025         (*movti_internal): Likewise.
6026
6027 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6028
6029         PR target/89233
6030         * config/s390/s390.c (s390_decompose_address): Update comment.
6031         (s390_check_qrst_address): Reject invalid address forms after
6032         LRA.
6033
6034 2019-02-12  Martin Liska  <mliska@suse.cz>
6035
6036         PR lto/88876
6037         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6038         we need default values of funct_state for a function that
6039         is not optimized.
6040
6041 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6042
6043         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6044         the object to pick the size of stores on strict-alignment platforms.
6045
6046         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6047         (*movdi_insn_sp32): Likewise.
6048         (*movdi_insn_sp64): Likewise.
6049
6050 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6051
6052         PR lto/88677
6053         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6054         types that needs constructiong.
6055         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6056
6057 2019-02-12  Richard Biener  <rguenther@suse.de>
6058
6059         PR tree-optimization/89253
6060         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6061         duplicate the loop.
6062
6063 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6064
6065         PR lto/88147
6066         * input.c (selftest::test_line_offset_overflow): New selftest.
6067         (selftest::input_c_tests): Call it.
6068
6069 2019-02-11  Martin Sebor  <msebor@redhat.com>
6070
6071         PR tree-optimization/88771
6072         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6073         when -Wstringop-overflow is set.
6074         (builtin_memref::builtin_memref): Adjust excessive upper bound
6075         only when lower bound is not excessive.
6076         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6077         -Wstringop-ovefflow.
6078         (maybe_diag_offset_bounds): Rename...
6079         (maybe_diag_access_bounds): ...to this.
6080         (check_bounds_or_overlap): Adjust for name change above.
6081
6082 2019-02-11  Martin Sebor  <msebor@redhat.com>
6083
6084         PR c++/87996
6085         * builtins.c (max_object_size): Move from here...
6086         * builtins.h (max_object_size): ...and here...
6087         * tree.c (max_object_size): ...to here...
6088         * tree.h (max_object_size): ...and here.
6089
6090 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6091
6092         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6093         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6094         for correct semantics.
6095
6096 2019-02-11  Alan Modra  <amodra@gmail.com>
6097
6098         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6099         -mlongcall and -mpltseq.
6100         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6101         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6102         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6103         * config/rs6000/sysv4.opt (mpltseq): New option.
6104         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6105         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6106         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6107         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6108         -mpltseq given for ELFv1.
6109         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6110         Only use UNSPEC_PLTSEQ for inline PLT calls.
6111         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6112         use UNSPEC_PLTSEQ for inline PLT calls.
6113         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6114         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6115         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6116         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6117         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6118         (pltseq_mtctr_<mode>): Likewise.
6119
6120 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6121
6122         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6123         Solaris ld.
6124         * configure: Regenerate.
6125
6126 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6127
6128         PR bootstrap/88714
6129         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6130         instead of r.
6131
6132 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6133
6134         * function.c (assign_parm_setup_block): Use the stored
6135         size, not the passed size, when allocating stack-space,
6136         also for a parameter with alignment larger than
6137         MAX_SUPPORTED_STACK_ALIGNMENT.
6138
6139 2019-02-11  Martin Liska  <mliska@suse.cz>
6140
6141         PR ipa/89009
6142         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6143         * ipa-inline.c (inline_small_functions): Likewise.
6144         * ipa-pure-const.c (propagate_pure_const): Likewise.
6145         (propagate_nothrow): Likewise.
6146         * ipa-reference.c (propagate): Likewise.
6147         * ipa-utils.c (struct searchc_env): Remove unused field.
6148         (searchc): Always search across AVAIL_INTERPOSABLE.
6149         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6150         the only called IPA pure const can properly not propagate
6151         across interposable boundary.
6152         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6153
6154 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6155
6156         * config/nds32/nds32.md (call_internal, call_value_internal,
6157         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6158
6159 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6160
6161         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6162         typo.
6163
6164 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6165
6166         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6167         in comments
6168
6169 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6170
6171         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6172
6173 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6174
6175         PR tree-optimization/89268
6176         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6177         if preds is non-NULL.
6178
6179 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6180
6181         PR lto/89272
6182         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6183         polymorphic types.
6184
6185 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6186
6187         * config/nds32/nds32.md (trap): New pattern.
6188
6189 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6190
6191         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6192         dwarf span.
6193
6194 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6195
6196         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6197         to split POST_INC.
6198
6199 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6200
6201         * ipa-visibility.c (localize_node): Also do not localize
6202         LDPR_PREVAILING_DEF_IRONLY_EXP.
6203
6204 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6205
6206         PR lto/87957
6207         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6208         instead of type_with_linkage.
6209
6210 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6211
6212         PR ipa/88755
6213         * params.def (uninlined-function-insns, uninlined-function-time,
6214         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6215         bound so we don't get overflows.
6216
6217 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6218
6219         * config/rs6000/rs6000-string.c (expand_compare_loop,
6220         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6221         memcmp/strncmp.
6222
6223 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6224
6225         PR middle-end/89246
6226         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6227         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6228         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6229
6230 2019-02-09  Alan Modra  <amodra@gmail.com>
6231
6232         PR target/88343
6233         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6234         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6235         setup.
6236
6237 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6238
6239         PR middle-end/88560
6240         * lra-constraints.c (process_alt_operands): Don't increase reject
6241         for memory when offset memory is required.
6242
6243 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6244
6245         * config/s390/vector.md: Implement vector copysign.
6246
6247 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6248
6249         * expr.c (expand_constructor): Correct indentations.
6250
6251 2019-02-08  Richard Biener  <rguenther@suse.de>
6252
6253         PR tree-optimization/89247
6254         * tree-if-conv.c: Include tree-cfgcleanup.h.
6255         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6256         (tree_if_conversion): Pass through predicate vector.
6257         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6258         inline, see if any if-converted loops we refrece in
6259         LOOP_VECTORIZED calls vanished and fixup.
6260         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6261
6262 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6263
6264         * config/s390/constraints.md (jdd): New constraint.
6265
6266 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6267
6268         PR target/89229
6269         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6270         upper 16 vector registers without TARGET_AVX512VL.
6271         (*movti_internal): Likewise.
6272
6273 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6274
6275         PR rtl-optimization/89234
6276         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6277         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6278         (copy_reg_eh_region_note_backward): Likewise.
6279
6280 2019-02-08  Richard Biener  <rguenther@suse.de>
6281
6282         PR middle-end/89223
6283         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6284         doesn't fit in HWI.
6285         (analyze_subscript_affine_affine): Handle failure from
6286         initialize_matrix_A.
6287
6288 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6289
6290         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6291         cfun everywhere.
6292
6293 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6294
6295         PR tree-optimization/86637
6296         PR tree-optimization/89235
6297         * tree-vect-loop.c (optimize_mask_stores): Add an
6298         auto_purge_vect_location sentinel to ensure that vect_location is
6299         purged on exit.
6300         * tree-vectorizer.c
6301         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6302         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6303         to ensure that vect_location is purged on exit.
6304         (pass_slp_vectorize::execute): Likewise, replacing the manual
6305         reset.
6306         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6307
6308 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6309
6310         * config/aarch64/iterators.md (max_opp): New code_attr.
6311         (USMAX): New code iterator.
6312         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6313         (aarch64_smax): Likewise.
6314         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6315         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6316         MINUS (MAX MIN).
6317
6318 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6319
6320         PR target/89229
6321         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6322         for TARGET_AVX512VL.
6323         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6324
6325 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6326
6327         * config/s390/s390-builtin-types.def: Add new types.
6328         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6329         (s390_vec_xlw4): Make the memory operand into a const pointer.
6330         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6331         float.
6332         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6333         a new vector type with the alignment of the scalar memory operand.
6334
6335 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6336             Jakub Jelinek  <jakub@redhat.com>
6337
6338         PR bootstrap/88714
6339         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6340         arm_count_ldrdstrd_insns): New declarations.
6341         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6342         MINUS.
6343         (valid_operands_ldrd_strd): New function.
6344         (arm_count_ldrdstrd_insns): New function.
6345         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6346         sets instead of single DImode set and define new insns to match this.
6347
6348 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6349
6350         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6351         Make it a C initializer.
6352
6353 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6354
6355         PR/target 88850
6356         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6357
6358 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6359
6360         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6361         Use neon_dot<q> for type.
6362         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6363
6364 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6365
6366         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6367         Use neon_dot<q> for type.
6368         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6369         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6370
6371 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6372
6373         PR rtl-optimization/89225
6374         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6375         sizes check.
6376
6377 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6378
6379         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6380         after restoring registers saved to allocate the frame on Windows.
6381
6382 2019-02-06  Richard Biener  <rguenther@suse.de>
6383
6384         PR tree-optimization/89182
6385         * graphite.h (cached_scalar_evolution_in_region): Declare.
6386         * graphite.c (struct seir_cache_key): New.
6387         (struct sese_scev_hash): Likewise.
6388         (seir_cache): New global.
6389         (cached_scalar_evolution_in_region): New function.
6390         (graphite_transform_loops): Allocate and release seir_cache.
6391         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6392         cached_scalar_evolution_in_region.
6393         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6394         Simplify.
6395         (scop_detection::graphite_can_represent_expr: Use
6396         cached_scalar_evolution_in_region.
6397         (scop_detection::stmt_simple_for_scop_p): Likewise.
6398         (find_params_in_bb): Likewise.
6399         (gather_bbs::before_dom_children): Likewise.
6400         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6401         (add_loop_constraints): Likewise.
6402
6403 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6404
6405         PR middle-end/89210
6406         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6407         operand to new_unary_operation only if both element types are integral
6408         and it isn't a widening conversion.  Return NULL_TREE if
6409         new_unary_operation failed.
6410
6411 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6412
6413         PR target/88856
6414         * config/s390/s390.md: Remove load and test FP splitter.
6415
6416 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6417
6418         PR target/89112
6419         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6420         expand_compare_loop, expand_block_compare_gpr,
6421         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6422         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6423         #include "profile-count.h" and "predict.h" for types and functions
6424         needed to work with REG_BR_PROB notes.
6425
6426 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6427
6428         PR target/89112
6429         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6430         for the long branch case.
6431
6432 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6433
6434         PR target/89188
6435         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6436         can throw, non-call exceptions are enabled and we can't delete
6437         dead exceptions or alter cfg.  Set must_clean if
6438         delete_insn_and_edges returns true, don't set it blindly for calls.
6439         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6440
6441         PR rtl-optimization/89195
6442         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6443         of the original MEM.
6444
6445 2019-02-05  Martin Liska  <mliska@suse.cz>
6446
6447         PR gcov-profile/89000
6448         * gcov.c (function_summary): Remove argument.
6449         (file_summary): New function.
6450         (print_usage): Replace tabs with spaces.
6451         (generate_results): Use new function file_summary.
6452
6453 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6454
6455         PR target/89186
6456         * optabs.c (prepare_cmp_insn): Pass x and y to
6457         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6458
6459 2019-02-05  Richard Biener  <rguenther@suse.de>
6460
6461         PR middle-end/89150
6462         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6463         (struct bitmap_element): Drop chain_prev so we properly recurse on
6464         the prev member, supporting tree views.
6465         (struct bitmap_head): GTY skip the obstack member.
6466
6467 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6468
6469         PR c/88698
6470         * doc/extend.texi (Vector Extensions): Add an example of using vector
6471         types together with x86 intrinsics.
6472
6473 2019-02-04  Alan Modra  <amodra@gmail.com>
6474
6475         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6476         str[] size to 160, and comment.
6477
6478 2019-02-04  Alan Modra  <amodra@gmail.com>
6479
6480         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6481         (rs6000_pltseq_template): Guard output of TLS markers with
6482         TARGET_TLS_MARKERS.
6483         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6484         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
6485         to use inline PLT sequences.
6486         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6487         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6488         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
6489
6490 2019-02-04  Martin Liska  <mliska@suse.cz>
6491
6492         PR ipa/88985
6493         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
6494         out when ipa_fn_summaries does not contain entry for callee.
6495
6496 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
6497
6498         * config/sparc/sparc.h: Remove superfluous blank lines.
6499         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
6500         (got_register_rtx): ...this.
6501         (sparc_got): Adjust to above renaming.
6502         (sparc_tls_got): Likewise.
6503         (sparc_delegitimize_address): Likewise.
6504         (sparc_output_mi_thunk): Likewise.
6505         (sparc_init_pic_reg): Likewise.
6506         (save_local_or_in_reg_p): Fix test on the GOT register.
6507         (USE_HIDDEN_LINKONCE): Move around.
6508         (get_pc_thunk_name): Likewise.
6509         (gen_load_pcrel_sym): Likewise.
6510         (load_got_register): Likewise.
6511
6512 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
6513
6514         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
6515         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
6516
6517 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6518
6519         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
6520         into consideration.
6521
6522 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6523
6524         * config.gcc (with_nds32_lib, glibc):
6525         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
6526         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
6527         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
6528
6529 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
6530
6531         PR target/89071
6532         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
6533         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
6534         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
6535         (*rcpsf2_sse): Ditto.
6536         (*rsqrtsf2_sse): Ditto.
6537         (sse4_1_round<mode<2): Ditto.
6538
6539 2019-02-03  Richard Biener  <rguenther@suse.de>
6540
6541         PR debug/87295
6542         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
6543         orig.
6544
6545 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
6546
6547         PR middle-end/87887
6548         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6549         Punt with warning on aggregate return or argument types.  Ignore
6550         type/mode checking for uniform arguments.
6551
6552 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6553
6554         * combine.c (try_combine): Do not print "Can't combine" messages unless
6555         printing failed combination attempts.
6556
6557 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6558
6559         PR hsa/87863
6560         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
6561         segment and global segment variables before making them static.
6562
6563 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6564
6565         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
6566         missed optimization dump with dump_enabled_p.
6567
6568 2019-02-01  Richard Biener  <rguenther@suse.de>
6569
6570         PR middle-end/88597
6571         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
6572         the instantiate cache.
6573         (instantiate_scev_binary): Elide second operand procesing
6574         if equal to the first.
6575         * tree-chrec.c (chrec_contains_symbols): Add visited set.
6576         (chrec_contains_undetermined): Likewise.
6577         (tree_contains_chrecs): Likewise.
6578
6579 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
6580
6581         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
6582
6583 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
6584
6585         PR tree-optimization/89143
6586         * wide-int-range.h (wide_int_range_absu): Declare.
6587         * wide-int-range.cc (wide_int_range_absu): New function.
6588         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
6589
6590         PR tree-optimization/88107
6591         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
6592         instead of assertion that eh_region_outermost is non-NULL, if it
6593         is NULL, set *ALL to true and return NULL.
6594         (move_sese_region_to_fn): Adjust caller, if all is set, call
6595         duplicate_eh_regions with NULL region.
6596
6597 2019-02-01  Richard Biener  <rguenth@suse.de>
6598
6599         PR rtl-optimization/88593
6600         * mode-switching.c (optimize_mode_switching): Free dominators before
6601         calling cleanup_cfg.
6602
6603 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6604
6605         PR tree-optimization/88932
6606         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
6607
6608 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6609
6610         PR middle-end/89137
6611         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
6612         bogus clang warning.
6613
6614 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
6615
6616         PR target/89071
6617         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
6618         alternative to avoid partial SSE register stall for TARGET_AVX.
6619         (truncdfsf2): Ditto.
6620         (sse4_1_round<mode>2): Ditto.
6621
6622 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6623
6624         PR tree-optimization/89008
6625         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
6626         process anything of the form X * 0.
6627
6628 2019-01-31  Richard Biener  <rguenther@suse.de>
6629
6630         PR tree-optimization/89135
6631         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
6632         with abnormal preds.
6633
6634 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6635
6636         PR sanitizer/89124
6637         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
6638         always_inline callees into no_sanitize_address callers.
6639
6640 2019-01-31  Richard Biener  <rguenther@suse.de>
6641
6642         PR rtl-optimization/89115
6643         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
6644
6645 2019-01-30  Martin Sebor  <msebor@redhat.com>
6646
6647         PR other/89106
6648         * doc/extend.texi (cast to a union): Correct and expand.
6649
6650 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
6651
6652         PR rtl-optimization/87246
6653         * lra-constraints.c (simplify_operand_subreg): Reload memory
6654         in subreg if the address became invalid.
6655
6656 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
6657
6658         PR target/87064
6659         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
6660         Disable for little-endian.
6661
6662 2019-01-30  Richard Biener  <rguenther@suse.de>
6663
6664         PR rtl-optimization/89115
6665         * opts.c (default_options_optimization): Reduce
6666         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
6667         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
6668         to the default.
6669
6670 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6671
6672         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
6673         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
6674         type of vector element when vec_extract is implemented by direct
6675         move.
6676
6677 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
6678
6679         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
6680
6681 2019-01-30  Richard Biener  <rguenther@suse.de>
6682
6683         PR tree-optimization/89111
6684         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
6685         canonicalization to appropriately sized access types.
6686
6687 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
6688
6689         PR c++/89105
6690         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
6691         for arguments to functions that are TU-local and shouldn't be
6692         referenced by assembly.
6693
6694 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
6695
6696         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
6697         after '='.
6698
6699 2019-01-29  Martin Sebor  <msebor@redhat.com>
6700
6701         PR c/88956
6702         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
6703
6704 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
6705
6706         PR c++/66676
6707         PR ipa/89104
6708         * omp-simd-clone.c (simd_clone_clauses_extract)
6709         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
6710         OMP_CLAUSE_ALIGNED_ALIGNMENT.
6711
6712 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
6713
6714         * config.gcc: Force .init_array for ARC.
6715
6716 2019-01-29  Richard Biener  <rguenther@suse.de>
6717
6718         PR debug/87295
6719         * dwarf2out.c (collect_skeleton_dies): New helper.
6720         (copy_decls_for_unworthy_types): Call it.
6721         (build_abbrev_table): Assert we do not try to replace
6722         DW_AT_signature refs with local refs.
6723
6724 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6725
6726         PR middle-end/89002
6727         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
6728         for lastprivate/linear IV, push gimplify context around gimplify_assign
6729         and, if it needed any temporaries, pop it into a gimple bind around the
6730         sequence.
6731
6732 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6733
6734         * common.opt (-Wattribute-alias): Remove "no-" from name.
6735         Make -Wattribute-alias command line option and
6736         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
6737
6738 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6739
6740         PR target/89073
6741         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
6742         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
6743         x86 ISA options.
6744         (bmi2): Add missing @opindex.
6745         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
6746         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
6747         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
6748         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
6749         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
6750         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
6751         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
6752         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
6753         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
6754         xsavec, xsaveopt and xsaves options.
6755
6756 2019-01-28  Richard Biener  <rguenther@suse.de>
6757
6758         PR debug/89076
6759         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
6760         support removal.
6761
6762 2019-01-28  Richard Biener  <rguenther@suse.de>
6763
6764         PR tree-optimization/88739
6765         * tree-cfg.c (verify_types_in_gimple_reference): Verify
6766         BIT_FIELD_REFs only are applied to mode-precision operands
6767         when they are integral.
6768         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
6769         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
6770         BIT_FIELD_REFs of non-mode-precision integral operands.
6771
6772 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
6773
6774         PR target/87214
6775         * config/i386/sse.md
6776         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
6777         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
6778         first constants in pairs are multiples of 2.  Formatting fixes.
6779         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
6780         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
6781         first constants in each quadruple are multiples of 4.  Formatting fixes.
6782
6783 2019-01-26  Martin Jambor  <mjambor@suse.cz>
6784
6785         PR ipa/88933
6786         * tree-inline.c: Include tree-cfgcleanup.h.
6787         (delete_unreachable_blocks_update_callgraph): Move...
6788         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
6789         ...here, make externally visible, make second argument bool, adjust
6790         all callers.
6791         * tree-cfgcleanup.c: Include cgraph.h.
6792         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
6793         Declare.
6794         * ipa-prop.c: Include tree-cfgcleanup.h.
6795         (ipcp_transform_function): Call
6796         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
6797
6798 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
6799
6800         PR rtl-optimization/88846
6801         * ira.c (process_set_for_memref_referenced_p): New.
6802         (memref_referenced_p): Add new param.  Use
6803         process_set_for_memref_referenced_p.  Add new switch cases.
6804         (memref_used_between_p): Pass new arg to memref_referenced_p.
6805
6806 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
6807
6808         PR target/88469
6809         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
6810         argument ABI_BREAK.  Set to true if the calculated alignment has
6811         changed in gcc-9.  Check bit-fields for their base type alignment.
6812         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
6813         (aarch64_function_arg_boundary): Likewise.
6814         (aarch64_gimplify_va_arg_expr): Likewise.
6815
6816 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6817
6818         PR middle-end/89037
6819         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
6820         instead of accessing TREE_INT_CST_ELT directly.
6821
6822 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
6823
6824         * doc/sourcebuild.texi (Environment attributes): Add fenv and
6825         fenv_exceptions description.
6826
6827 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
6828
6829         PR rtl-optimization/87763
6830         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
6831         Allow SUBREG when matching CC_NZmode compare.
6832
6833 2019-01-25  Richard Biener  <rguenther@suse.de>
6834
6835         PR tree-optimization/89049
6836         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
6837         Look at the pattern stmt to determine if the stmt is vectorized.
6838
6839 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6840
6841         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
6842         (pred_mov<mode>): Handle all-register forms using both a new
6843         alternative and a split.
6844
6845 2019-01-25  Richard Biener  <rguenther@suse.de>
6846
6847         PR tree-optimization/86865
6848         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6849         Reject non-do-while loops.
6850
6851 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
6852
6853         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
6854         * config/rs6000/constraints.md (Q constraint): Use REG_P.
6855         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
6856         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6857         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
6858         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6859         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
6860         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
6861         vlogical_operand, gpc_reg_operand, int_reg_operand,
6862         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
6863         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
6864         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
6865         (save_world_operation, restore_world_operation, lmw_operation,
6866         stmw_operation): Use MEM_P and REG_P.
6867         (tie_operand): Use MEM_P.
6868         (vrsave_operation, crsave_operation): Use REG_P.
6869         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
6870         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
6871         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
6872         (call_operand): Use HARD_REGISTER_P.
6873         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
6874         Use CONST_INT_P.
6875         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
6876         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
6877         quad_aligned_load_p, replace_swapped_aligned_store,
6878         recombine_lvx_pattern, replace_swapped_aligned_load,
6879         recombine_stvx_pattern): Use MEM_P.
6880         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
6881         Use MEM_P and SYMBOL_REF_P.
6882         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
6883         (insn_is_swappable_p): Use REG_P and MEM_P.
6884         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
6885         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
6886         Use CONST_INT_P.
6887         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
6888         Use CONST_DOUBLE_P.
6889         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
6890         CONST_WIDE_INT_P.
6891         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
6892         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
6893         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
6894         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
6895         reg_or_subregno:
6896         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6897         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
6898         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
6899         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
6900         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
6901         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
6902         rs6000_split_logical_di): Use CONST_INT_P.
6903         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
6904         REG_P and SYMBOL_REF_P.
6905         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
6906         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
6907         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
6908         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
6909         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
6910         (small_data_operand, print_operand_address): Use CONST_INT_P and
6911         SYMBOL_REF_P.
6912         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
6913         (rs6000_init_hard_regno_mode_ok, direct_move_p):
6914         Use HARD_REGISTER_NUM_P.
6915         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
6916         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
6917         SUBREG_P and SYMBOL_REF_P.
6918         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
6919         and HARD_REGISTER_NUM_P.
6920         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
6921         reg_or_subregno.
6922         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
6923         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
6924         MEM_P and REG_P.
6925         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
6926         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
6927         find_addr_reg): Use REG_P.
6928         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
6929         (rs6000_emit_le_vsx_move): Use SUBREG_P.
6930         (offsettable_ok_by_alignment, constant_pool_expr_p,
6931         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
6932         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
6933         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
6934         rs6000_assemble_integer, create_TOC_reference,
6935         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
6936         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
6937         (rs6000_split_vec_extract_var): Use reg_or_subregno.
6938         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6939         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6940         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6941         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6942         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
6943         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
6944         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
6945         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
6946         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
6947         and cbranch<mode>4): Use CONST_INT_P.
6948         (multiple define_splits): Use REG_P and SUBREG_P.
6949         (define_expands call, call_value): Use MEM_P.
6950         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
6951         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
6952         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
6953         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
6954         and HARD_REGISTER_NUM_P.
6955         (multiple define_splits): Use HARD_REGISTER_NUM_P.
6956
6957 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
6958
6959         PR rtl-optimization/88948
6960         * rtl.h (prepare_copy_insn): New prototype.
6961         * gcse.c (prepare_copy_insn): New function, split out from
6962         process_insert_insn.
6963         (process_insert_insn): Use prepare_copy_insn.
6964         * store-motion.c (replace_store_insn): Use prepare_copy_insn
6965         instead of gen_move_insn.
6966
6967 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
6968
6969         PR debug/89006
6970         * config/i386/i386.c (ix86_pic_register_p): Return true for
6971         UNSPEC_SET_GOT too.
6972
6973         PR tree-optimization/88964
6974         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
6975         punt if HONOR_SNANS (chrec).
6976
6977         PR middle-end/89015
6978         * tree-nested.c (convert_nonlocal_reference_stmt,
6979         convert_local_reference_stmt, convert_tramp_reference_stmt,
6980         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
6981         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
6982         or GIMPLE_OMP_TASK.
6983
6984         PR tree-optimization/89027
6985         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
6986         for "omp simd array" variables.
6987
6988 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
6989
6990         PR target/88469
6991         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
6992         force the alignment of m_val.
6993
6994 2019-01-24  Richard Biener  <rguenther@suse.de>
6995
6996         PR lto/87187
6997         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
6998         When in "legacy" debug mode make sure to reset self-origins.
6999
7000 2019-01-24  Martin Liska  <mliska@suse.cz>
7001
7002         PR gcov-profile/88994
7003         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7004         result will be always smaller or equal to the original.
7005         * gcov.c (mangle_name): Fix else branch where we should
7006         also copy to PTR and shift the pointer.
7007
7008 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7009
7010         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7011         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7012
7013 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7014             Steve Ellcey <sellcey@marvell.com>
7015
7016         PR target/85711
7017         * recog.c (address_operand): Return false on wrong mode for address.
7018         (constrain_operands): Check for mode with 'p' constraint.
7019
7020 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7021
7022         PR target/88998
7023         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7024         Disparage MMX alternative.
7025         (sse2_cvtpd2pi): Ditto.
7026         (sse2_cvttpd2pi): Ditto.
7027
7028 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7029
7030         PR driver/89014
7031         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7032         use-after-free of the result of
7033         aarch64_get_extension_string_for_isa_flags.
7034
7035 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7036
7037         PR c/44715
7038         * doc/extend.texi: Document break and continue behavior in
7039         statement expressions.
7040
7041 2019-01-23  Richard Biener  <rguenther@suse.de>
7042
7043         PR tree-optimization/89008
7044         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7045         not leave another stray operand.
7046
7047 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7048
7049         * BASE-VER: Bump to 9.0.1.
7050
7051 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7052
7053         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7054         thunk that returns by reference, use the type of the return object
7055         of the thunk instead of that of the alias to build the dereference.
7056
7057 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7058
7059         * config/arc/atomic.md: Add operand to DMB instruction.
7060
7061 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7062
7063         PR tree-optimization/88964
7064         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7065         build_zero_cst instead of build_int_cst.  Return false for loop
7066         invariants which honor signed zeros.
7067
7068 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7069
7070         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7071
7072 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7073
7074         PR target/88965
7075         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7076         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7077         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7078
7079         PR middle-end/88968
7080         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7081         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7082
7083         PR target/87064
7084         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7085         Disable for little endian.
7086
7087 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7088
7089         PR target/88469
7090         * config/arm/arm.c (arm_needs_double_word_align): Check
7091         DECL_BIT_FIELD_TYPE.
7092
7093 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7094             H.J. Lu  <hongjiu.lu@intel.com>
7095
7096         PR target/88909
7097         * config/i386/i386-builtin.def: Add mask2 to all builtin
7098         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7099         SPECIAL_ARGS.
7100         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7101         (BDESC_FIRST): Likewise.
7102         (define_builtin): Add an argument for mask2.  Updated to handle
7103         both ix86_isa_flags and ix86_isa_flags2.
7104         (define_builtin_const): Likewise.
7105         (define_builtin_pure): Likewise.
7106         (define_builtin2): Deleted.
7107         (define_builtin_const2): Likewise.
7108         (builtin_description): Add a member, mask2.
7109         (bdesc_*): Add mask2 to builtin initializations.
7110         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7111         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7112         support.
7113         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7114
7115 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7116
7117         PR target/88954
7118         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7119         noplt attribute.
7120
7121 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7122
7123         PR target/88469
7124         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7125         alignment is dominated by a bitfield with 64-bit aligned base type.
7126         (arm_function_arg): Emit a warning if the alignment has changed since
7127         earlier GCC releases.
7128         (arm_function_arg_boundary): Likewise.
7129         (arm_setup_incoming_varargs): Likewise.
7130
7131 2019-01-22  Richard Biener  <rguenther@suse.de>
7132
7133         PR tree-optimization/88862
7134         * graphite-scop-detection.c
7135         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7136
7137 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7138
7139         * doc/extend.tex (AMD GCN Function Attributes): New section.
7140         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7141         * doc/invoke.texi (AMD GCN Options): New section.
7142         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7143
7144 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7145
7146         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7147         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7148
7149 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7150
7151         PR tree-optimization/88044
7152         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7153         is false in the first iteration, but !every_iteration, return false
7154         instead of true with niter->niter zero.
7155
7156         PR rtl-optimization/88904
7157         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7158         any nonequal registers before processing BB_END (b).
7159
7160         PR target/88905
7161         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7162         GET_MODE (op0).
7163         (expand_binop_directly, expand_doubleword_clz,
7164         expand_doubleword_popcount, expand_ctz, expand_ffs,
7165         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7166
7167         PR rtl-optimization/49429
7168         PR target/49454
7169         PR rtl-optimization/86334
7170         PR target/88906
7171         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7172         addressable from here...
7173         (emit_block_op_via_libcall): ... to here.
7174
7175 2019-01-22  Richard Biener  <rguenther@suse.de>
7176
7177         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7178         auto_vec for cost vector to fix memleak.
7179         (vectorize_fold_left_reduction): Properly gather SLP defs.
7180         (vectorizable_comparison): Do not swap operands to properly
7181         gather SLP defs.
7182
7183 2019-01-22  Alan Modra  <amodra@gmail.com>
7184
7185         PR target/88614
7186         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7187         stays a reg.  Allow a const_int.
7188         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7189         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7190         (IS_NOMARK_TLSGETADDR): Define.
7191         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7192         (rs6000_output_tlsargs): New function.
7193         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7194         __tls_get_addr call takes an arg.
7195         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7196         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7197         delete split..
7198         (call_value_nonlocal_sysv): ..or here, delete split.
7199         (tls_gdld_nomark): Delete.
7200         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7201         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7202         (call_value_nonlocal_sysv): Likewise.
7203         (call_value_nonlocal_sysv_secure): Likewise.
7204         (call_value_nonlocal_aix): Likewise.
7205         (call_value_indirect_aix): Likewise.
7206         (call_value_indirect_elfv2): Likewise.
7207         (call_value_local32, call_value_local64): Disable for no-mark tls.
7208         (call_value_local_aix): Likewise.
7209
7210 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7211
7212         PR target/88938
7213         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7214         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7215
7216 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7217
7218         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7219         string contents as hash_map keys.
7220
7221 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7222
7223         PR c/88928
7224         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7225         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7226         instead of TYPE_ALIGN.
7227         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7228         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7229         pointer from TYPE_STUB_DECL.
7230
7231 2019-01-21  Richard Biener  <rguenther@suse.de>
7232
7233         PR tree-optimization/88934
7234         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7235         at the possibly non-constant operand.
7236         (vect_get_constant_vectors): Adjust.
7237
7238 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7239
7240         PR target/71659
7241         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7242         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7243         instead of _X86INTRIN_H_INCLUDED.
7244         * onfig/i386/clwbintrin.h: Likewise.
7245         * config/i386/pkuintrin.h: Likewise.
7246         * config/i386/prfchwintrin.h: Likewise.
7247         * config/i386/rdseedintrin.h: Likewise.
7248         * config/i386/wbnoinvdintrin.h: Likewise.
7249         * config/i386/xsavecintrin.h: Likewise.
7250         * config/i386/xsavesintrin.h: Likewise.
7251         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7252         * config/i386/xsaveintrin.h: Likewise.
7253         * config/i386/xsaveoptintrin.h: Likewise.
7254         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7255         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7256         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7257         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7258         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7259         * config/i386/immintrin.h: Here.
7260
7261 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7262
7263         PR ipa/87615
7264         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7265         with aa_walk_budget.
7266         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7267         aa_walk_budget_p parameter.
7268         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7269         walk.  Updated all callers.
7270         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7271         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7272         unmodified_parm.
7273         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7274         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7275         and to unmodified_parm.
7276         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7277         info, updated call to will_be_nonconstant_expr_predicate.
7278         (param_change_prob): New parameter fbi, limit AA walking.
7279         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7280         calls to various above functions.
7281         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7282         parameter.  Use it to limit AA walking.
7283         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7284         fbi, limit AA walk.
7285         (detect_type_change): New parameter fbi, pass it on to
7286         detect_type_change_from_memory_writes.
7287         (detect_type_change_ssa): Likewise.
7288         (aa_overwalked): Removed.
7289         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7290         accordingly, adjust to the neew AA limiting scheme.
7291         (parm_ref_data_preserved_p): Likewise.
7292         (ipa_compute_jump_functions_for_edge): Adjust call to
7293         get_dynamic_type.
7294         (ipa_analyze_call_uses): Likewise.
7295         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7296         (ipa_analyze_node): Initialize aa_walk_budget.
7297         (ipcp_transform_function): Likewise.
7298         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7299         to get_dynamic_type.
7300
7301 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7302
7303         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7304         outside of #if CHECKING_P code.
7305
7306 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7307
7308         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7309         New function, split out from...
7310         (loop_versioning::analyze_stride): ...here.
7311         (loop_versioning::find_per_loop_multiplication): Use gassign.
7312         (loop_versioning::analyze_term_using_scevs): Return a success code.
7313         (loop_versioning::analyze_arbitrary_term): New function.
7314         (loop_versioning::analyze_address_fragment): Use
7315         analyze_arbitrary_term if all else fails.
7316
7317 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7318
7319         PR target/88892
7320         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7321         operands.
7322
7323 2019-01-18  Richard Biener  <rguenther@suse.de>
7324
7325         PR tree-optimization/88903
7326         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7327         scalar stmts a SLP shift amount is composed of when detecting
7328         shifts by scalars.
7329
7330 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7331
7332         PR target/88799
7333         * config/arm/arm-cpus.in (mp): New feature.
7334         (sec): New feature.
7335         (fgroup ARMv7ve): Add mp and sec features.
7336         (arch armv7-a): Add options to allow mp and sec extensions.
7337         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7338         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7339         extenstions to the base architecture.
7340         (cpu cortex-a8): Add sec extension to the base architecture.
7341         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7342         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7343         variants down to the base v7-a varaint.
7344         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7345         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7346         of permitted extensions for -march=armv7-a and for
7347         -mcpu=generic-armv7-a.
7348
7349 2019-01-18  Martin Liska  <mliska@suse.cz>
7350
7351         * params.def: Fix comment.
7352         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7353         name.
7354         (gimple_gen_ic_func_profiler): Likewise.
7355
7356 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7357
7358         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7359         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7360         and put in error checks for stack protector guard options.
7361         (aarch64_stack_protect_guard): New.
7362         (TARGET_STACK_PROTECT_GUARD): Define.
7363         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7364         (reg_stack_protect_address<mode>): New.
7365         (stack_protect_set): Adjust for SSP_GLOBAL.
7366         (stack_protect_test): Likewise.
7367         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7368         (-mstack-protector-guard): Likewise.
7369         (-mstack-protector-guard-offset): Likewise.
7370
7371 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7372
7373         PR tree-optimization/86214
7374         * tree-inline.h (struct copy_body_data): Add
7375         add_clobbers_to_eh_landing_pads member.
7376         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7377         (copy_edges_for_bb): Call it if EH edge destination is <
7378         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7379         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7380         if flag_stack_reuse != SR_NONE and clear it afterwards.
7381
7382 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7383
7384         PR target/85596
7385         * doc/install.texi (with-multilib-list): Document for aarch64.
7386
7387 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7388
7389         PR target/88734
7390         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7391         (("..."))) with ("...").
7392
7393 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7394
7395         * doc/extend.texi (Built-in Functions for Memory Model Aware
7396         Atomic Operations): Document atomic fetch and nand.
7397
7398 2019-01-18  Martin Liska  <mliska@suse.cz>
7399             Richard Biener  <rguenther@suse.de>
7400
7401         PR middle-end/88587
7402         * cgraph.h (create_version_clone_with_body): Add new argument
7403         with attributes.
7404         * cgraphclones.c (cgraph_node::create_version_clone): Add
7405         DECL_ATTRIBUTES to a newly created decl.  And call
7406         valid_attribute_p so that proper cl_target_optimization_node
7407         is set for the newly created declaration.
7408         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7409         for declaration.
7410         (expand_target_clones): Do not call valid_attribute_p, it must
7411         be already done.
7412         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7413         vector types.
7414
7415 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7416
7417         PR target/88734
7418         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7419         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7420         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7421
7422 2019-01-17  Martin Sebor  <msebor@redhat.com>
7423
7424         PR middle-end/88273
7425         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7426         Handle anti-ranges the same as no range at all.
7427
7428 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7429
7430         * config/aarch64/aarch64.c (cgraph.h): New include.
7431         (intl.h): New include.
7432         (supported_simd_type): New function.
7433         (currently_supported_simd_type): Ditto.
7434         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7435         (aarch64_simd_clone_adjust): Ditto.
7436         (aarch64_simd_clone_usable): Ditto.
7437         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7438         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7439         (TARGET_SIMD_CLONE_USABLE): Ditto.
7440         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7441         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7442         call.
7443
7444 2019-01-17  Martin Sebor  <msebor@redhat.com>
7445
7446         PR tree-optimization/88800
7447         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7448         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7449         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7450         redundant argument.  Add new argument and issue diagnostics under
7451         its control.  Detect out-of-bounds access even with warnings
7452         disabled.
7453         (check_bounds_or_overlap): Change return type.  Add argument.
7454         (wrestrict_dom_walker::check_call): Adjust.
7455         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7456         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7457         check_bounds_or_overlap's return value.
7458         (handle_builtin_stxncpy): Same.
7459         (handle_builtin_strcat): Same.
7460
7461 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7462             Kwok Cheung Yeung  <kcy@codesourcery.com>
7463             Julian Brown  <julian@codesourcery.com>
7464             Tom de Vries  <tom@codesourcery.com>
7465
7466         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7467
7468 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7469
7470         * doc/sourcebuild.texi: Document dg-require-effective-target
7471         llvm_binutils and offload_gcn.
7472
7473 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7474             Kwok Cheung Yeung  <kcy@codesourcery.com>
7475             Julian Brown  <julian@codesourcery.com>
7476             Tom de Vries  <tom@codesourcery.com>
7477
7478         * doc/sourcebuild.texi: Document dg-required-effective-target
7479         exceptions.
7480
7481 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7482             Kwok Cheung Yeung  <kcy@codesourcery.com>
7483             Julian Brown  <julian@codesourcery.com>
7484             Tom de Vries  <tom@codesourcery.com>
7485             Jan Hubicka  <hubicka@ucw.cz>
7486             Martin Jambor  <mjambor@suse.cz>
7487
7488         * config.gcc: Add amdgcn*-*-amdhsa configuration.
7489         * configure.ac: Check for dlopen.
7490         * configure: Regenerate.
7491
7492 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7493             Kwok Cheung Yeung  <kcy@codesourcery.com>
7494             Julian Brown  <julian@codesourcery.com>
7495             Tom de Vries  <tom@codesourcery.com>
7496             Jan Hubicka  <hubicka@ucw.cz>
7497             Martin Jambor  <mjambor@suse.cz>
7498
7499         * common/config/gcn/gcn-common.c: New file.
7500         * config/gcn/driver-gcn.c: New file.
7501         * config/gcn/gcn-builtins.def: New file.
7502         * config/gcn/gcn-hsa.h: New file.
7503         * config/gcn/gcn-modes.def: New file.
7504         * config/gcn/gcn-opts.h: New file.
7505         * config/gcn/gcn-passes.def: New file.
7506         * config/gcn/gcn-protos.h: New file.
7507         * config/gcn/gcn-run.c: New file.
7508         * config/gcn/gcn-tree.c: New file.
7509         * config/gcn/gcn.c: New file.
7510         * config/gcn/gcn.h: New file.
7511         * config/gcn/gcn.opt: New file.
7512         * config/gcn/t-gcn-hsa: New file.
7513
7514 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7515             Kwok Cheung Yeung  <kcy@codesourcery.com>
7516             Julian Brown  <julian@codesourcery.com>
7517             Tom de Vries  <tom@codesourcery.com>
7518             Jan Hubicka  <hubicka@ucw.cz>
7519             Martin Jambor  <mjambor@suse.cz>
7520
7521         * config/gcn/constraints.md: New file.
7522         * config/gcn/gcn-valu.md: New file.
7523         * config/gcn/gcn.md: New file.
7524         * config/gcn/predicates.md: New file.
7525
7526 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7527
7528         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
7529         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
7530         (stmt_uses_0_or_null_in_undefined_way): Likewise.
7531         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
7532
7533 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
7534
7535         PR target/88851
7536         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
7537         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
7538         it and document registers.
7539
7540 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7541
7542         * config/aarch64/aarch64.c (ares_tunings): Define.
7543         * config/aarch64/aarch64-cores.def (ares): Use the above.
7544
7545 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7546
7547         PR target/88794
7548         Revert:
7549         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
7550
7551         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
7552         (_mm512_fixupimm_round_pd): Update parameters and builtin.
7553         (_mm512_maskz_fixupimm_round_pd): Ditto.
7554         (_mm512_fixupimm_round_ps): Ditto.
7555         (_mm512_maskz_fixupimm_round_ps): Ditto.
7556         (_mm_fixupimm_round_sd): Ditto.
7557         (_mm_maskz_fixupimm_round_sd): Ditto.
7558         (_mm_fixupimm_round_ss): Ditto.
7559         (_mm_maskz_fixupimm_round_ss): Ditto.
7560         (_mm512_fixupimm_pd): Ditto.
7561         (_mm512_maskz_fixupimm_pd): Ditto.
7562         (_mm512_fixupimm_ps): Ditto.
7563         (_mm512_maskz_fixupimm_ps): Ditto.
7564         (_mm_fixupimm_sd): Ditto.
7565         (_mm_maskz_fixupimm_sd): Ditto.
7566         (_mm_fixupimm_ss): Ditto.
7567         (_mm_maskz_fixupimm_ss): Ditto.
7568         (_mm512_mask_fixupimm_round_pd): Update builtin.
7569         (_mm512_mask_fixupimm_round_ps): Ditto.
7570         (_mm_mask_fixupimm_round_sd): Ditto.
7571         (_mm_mask_fixupimm_round_ss): Ditto.
7572         (_mm512_mask_fixupimm_pd): Ditto.
7573         (_mm512_mask_fixupimm_ps): Ditto.
7574         (_mm_mask_fixupimm_sd): Ditto.
7575         (_mm_mask_fixupimm_ss): Ditto.
7576         * config/i386/avx512vlintrin.h:
7577         (_mm256_fixupimm_pd): Update parameters and builtin.
7578         (_mm256_maskz_fixupimm_pd): Ditto.
7579         (_mm256_fixupimm_ps): Ditto.
7580         (_mm256_maskz_fixupimm_ps): Ditto.
7581         (_mm_fixupimm_pd): Ditto.
7582         (_mm_maskz_fixupimm_pd): Ditto.
7583         (_mm_fixupimm_ps): Ditto.
7584         (_mm_maskz_fixupimm_ps): Ditto.
7585         (_mm256_mask_fixupimm_pd): Update builtin.
7586         (_mm256_mask_fixupimm_ps): Ditto.
7587         (_mm_mask_fixupimm_pd): Ditto.
7588         (_mm_mask_fixupimm_ps): Ditto.
7589         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
7590         * config/i386/i386-builtin.def: Update builtin definitions.
7591         * config/i386/i386.c: Handle new builtin types and remove useless ones.
7592         * config/i386/sse.md: Update VFIXUPIMM* patterns.
7593         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7594         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7595         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
7596         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7597         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7598         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
7599         * config/i386/subst.md:
7600         (round_saeonly_sd_mask_operand4): Add new subst_attr.
7601         (round_saeonly_sd_mask_op4): Ditto.
7602         (round_saeonly_expand_operand5): Ditto.
7603         (round_saeonly_expand): Update.
7604
7605 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7606
7607         PR target/88794
7608         Revert:
7609         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
7610
7611         * config/i386/sse.md: Combine VFIXUPIMM* patterns
7612         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7613         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7614         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
7615         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7616         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7617         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
7618
7619 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7620
7621         PR target/88794
7622         Revert:
7623         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
7624
7625         PR target/88489
7626         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
7627         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
7628         instead of UNSPEC_FIXUPIMM.
7629
7630 2019-01-17  Richard Biener  <rguenther@suse.de>
7631
7632         PR lto/86736
7633         * dwarf2out.c (want_pubnames): Never generate pubnames sections
7634         and friends for the LTO part of debug info.
7635
7636 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7637
7638         PR tree-optimization/86214
7639         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
7640         if x == y.
7641
7642         PR rtl-optimization/88870
7643         * dce.c (deletable_insn_p): Never delete const/pure calls that can
7644         throw if we can't alter the cfg or delete dead exceptions.
7645         (mark_insn): Don't call find_call_stack_args for such calls.
7646
7647 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
7648
7649         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
7650         prototypes for vec_st.
7651         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
7652         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
7653         mainly on signed/unsigned long long and double.
7654
7655 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
7656
7657         PR target/88861
7658         * combine.c (delete_noop_moves): Convert to "bool" return,
7659         returning true if any edges are eliminated.
7660         (combine_instructions): Also return true if delete_noop_moves
7661         returns true.
7662
7663 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7664
7665         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
7666         correct max nunits for endian swap.
7667         (aarch64_expand_fcmla_builtin): Correct subreg code.
7668         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7669         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
7670         lane endianness.
7671
7672 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
7673
7674         * config/alpha/alpha.c (alpha_gimplify_va_arg):
7675         Handle split indirect COMPLEX_TYPE arguments.
7676
7677 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
7678
7679         PR target/86891
7680         * config/aarch64/aarch64-modes.def: Add comment about how the carry
7681         bit is set by add and compare.
7682         (CC_ADC): New CC_MODE.
7683         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
7684         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
7685         comparison.  Add detection for CC_ADCmode.
7686         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
7687         CC_ADCmode.
7688         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
7689         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
7690         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
7691         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
7692         to eliminate the need for zero-extending the operands.
7693         (add<mode>3_compareC_imm): Delete.  Merge into ...
7694         (add<mode>3_compareC): ... this.  Restructure the comparison to
7695         eliminate the need for zero-extending the operands.
7696         (add<mode>3_carryin): Use LTU for the overflow detection.
7697         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
7698         Reexpress comparison for overflow.
7699         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
7700         (add<mode>3_carryinC): Likewise.
7701         (add<mode>3_carryinV): Use LTU for carry between partials.
7702         * config/aarch64/predicates.md (aarch64_carry_operation): Update
7703         handling of CC_Cmode and add CC_ADCmode.
7704         (aarch64_borrow_operation): Likewise.
7705
7706 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7707
7708         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
7709         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
7710         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
7711         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
7712
7713 2019-01-16  Martin Liska  <mliska@suse.cz>
7714
7715         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
7716         for GCC driver.
7717         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
7718         a new argument.
7719         * gcc.c (add_sysrooted_hdrs_prefix): New function.
7720         (path_prefix_reset): Move up in the source file.
7721         (find_fortran_preinclude_file): Make complex search for the
7722         fortran header files.
7723
7724 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
7725
7726         * godump.c (go_output_typedef): When outputting a typedef, refer
7727         to the underlying type by its name and not its structure.
7728
7729 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
7730
7731         PR c++/88795
7732         * tree.c (build_function_type): Assert that arg_types is not
7733         error_mark_node.
7734
7735 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
7736
7737         PR inline-asm/52813
7738         * doc/extend.texi: Document that listing the stack pointer in the
7739         clobber list of an asm is a deprecated feature.
7740         * common.opt (Wdeprecated): Moved from c-family/c.opt.
7741         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
7742         warning instead of an error for clobbers of the stack pointer.
7743         Add a note explaining why.
7744
7745 2019-01-15  Richard Biener  <rguenther@suse.de>
7746
7747         PR debug/88046
7748         * dwarf2out.c (gen_member_die): Do not generate inheritance
7749         DIEs late.
7750
7751 2019-01-15  Richard Biener  <rguenther@suse.de>
7752
7753         PR tree-optimization/88855
7754         * tree-if-conv.c (combine_blocks): Collect
7755         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
7756
7757 2019-01-15  Tom de Vries  <tdevries@suse.de>
7758
7759         PR target/80547
7760         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
7761         lhs == NULL_TREE for gang-level reduction.
7762
7763 2019-01-15  Richard Biener  <rguenther@suse.de>
7764             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7765
7766         PR ipa/88788
7767         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
7768         return true if SSA_NAME is already marked in visited bitmap.
7769         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
7770
7771 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
7772
7773         PR tree-optimization/88775
7774         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
7775         equal == 0 equality pointer comparisons some more if compared in
7776         integral types and either one points to an automatic var and the
7777         other to a global, or we can prove at least one points to the middle
7778         or both point to start or both point to end.
7779
7780 2019-01-14  Andi Kleen  <ak@linux.intel.com>
7781
7782         * Makefile.in: Lower autofdo sampling rate by 10x.
7783         * Makefile.tpl: Dito.
7784
7785 2019-01-14  Tom Honermann  <tom@honermann.net>
7786
7787         * defaults.h: Define CHAR8_TYPE.
7788
7789 2019-01-14  Martin Sebor  <msebor@redhat.com>
7790
7791         PR target/88638
7792         * doc/extend.texi (Darwin Format Checks): Clarify.
7793
7794 2019-01-14  Richard Biener  <rguenther@suse.de>
7795
7796         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
7797         whether we are in (simplify ...) or (match ...) context.
7798
7799 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
7800
7801         PR rtl-optimization/88796
7802         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
7803         * cfgexpand.c (stack_protect_prologue): Initialize
7804         crtl->stack_protect_guard_decl.
7805         * function.c (stack_protect_epilogue): Use it instead of calling
7806         targetm.stack_protect_guard again.
7807         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
7808         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
7809         crtl->stack_protect_guard_decl.
7810         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
7811         on the returned MEM_EXPR.
7812
7813 2019-01-12  Tom de Vries  <tdevries@suse.de>
7814
7815         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
7816         vector length using -fopenacc-dim.
7817
7818 2019-01-12  Tom de Vries  <tdevries@suse.de>
7819
7820         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
7821         lengths into account.
7822
7823 2019-01-12  Svante Signell  <svante.signell@gmail.com>
7824
7825         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
7826         (TARGET_CAN_SPLIT_STACK): Define.
7827         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
7828
7829 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
7830
7831         * params.def (inline-unit-growth): Set to 40.
7832
7833 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
7834
7835         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
7836
7837 2019-01-12  Tom de Vries  <tdevries@suse.de>
7838
7839         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
7840         region calling vector-partitionable routine, set default_vector_length
7841         to WARP_SIZE.
7842
7843 2019-01-12  Tom de Vries  <tdevries@suse.de>
7844
7845         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
7846         variable default_vector_length.
7847
7848 2019-01-12  Tom de Vries  <tdevries@suse.de>
7849
7850         PR middle-end/88703
7851         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
7852         from oacc_default_dims, as oacc_validate_dims would do it, and apply
7853         dimensions limits.
7854
7855 2019-01-12  Tom de Vries  <tdevries@suse.de>
7856
7857         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
7858         (nvptx_goacc_validate_dims): Add used parameter.
7859         * doc/tm.texi: Regenerate.
7860         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
7861         argument to call to targetm.goacc.validate_dims.
7862         (default_goacc_validate_dims): Add used
7863         parameter.
7864         * target.def (validate_dims): Add used parameter in DEFHOOK.
7865         * targhooks.h (default_goacc_validate_dims): Add used parameter.
7866
7867 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7868
7869         PR middle-end/85956
7870         PR lto/88733
7871         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
7872         field.
7873         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
7874         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
7875         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
7876         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
7877
7878 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
7879
7880         PR rtl-optimization/87305
7881         * lra-assigns.c
7882         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
7883         for little endian pseudos used as paradoxical subreg.
7884
7885 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7886
7887         PR tree-optimization/88693
7888         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
7889         for STRING_CSTs that don't contain any NUL characters in the first
7890         TREE_STRING_LENGTH bytes.
7891
7892 2019-01-11  Alan Modra  <amodra@gmail.com>
7893
7894         PR 88777
7895         PR 88614
7896         * genattrtab.c (min_fn): Don't translate values.
7897         (min_attr_value): Return INT_MAX when the value can't be calculated.
7898         Return minimum among any values that can be calculated.
7899         (max_attr_value): Adjust.
7900
7901 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7902
7903         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
7904
7905 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
7906
7907         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7908         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
7909         (aarch64_return_call_with_max_clobbers): New function.
7910         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
7911         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
7912         argument.
7913         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
7914         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
7915         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
7916         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
7917         * cselib.c (cselib_process_insn): Add argument to
7918         targetm.hard_regno_call_part_clobbered call.
7919         * ira-conflicts.c (ira_build_conflicts): Ditto.
7920         * ira-costs.c (ira_tune_allocno_costs): Ditto.
7921         * lra-constraints.c (inherit_reload_reg): Ditto.
7922         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
7923         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
7924         argument.  Call targetm.return_call_with_max_clobbers.
7925         Add argument to targetm.hard_regno_call_part_clobbered call.
7926         (calls_have_same_clobbers_p): New function.
7927         (process_bb_lives): Add call_insn and last_call_insn variables.
7928         Pass call_insn to check_pseudos_live_through_calls.
7929         Modify if stmt to check targetm.return_call_with_max_clobbers.
7930         Update setting of flush variable.
7931         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
7932         to false.
7933         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
7934         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
7935         targetm.hard_regno_call_part_clobbered call.
7936         * reginfo.c (choose_hard_reg_mode): Ditto.
7937         * regrename.c (check_new_reg_p): Ditto.
7938         * reload.c (find_equiv_reg): Ditto.
7939         * reload1.c (emit_reload_insns): Ditto.
7940         * sched-deps.c (deps_analyze_insn): Ditto.
7941         * sel-sched.c (init_regs_for_mode): Ditto.
7942         (mark_unavailable_hard_regs): Ditto.
7943         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
7944         * target.def (hard_regno_call_part_clobbered): Add insn argument.
7945         (return_call_with_max_clobbers): New target function.
7946         * doc/tm.texi: Regenerate.
7947         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
7948         * hooks.c (hook_bool_uint_mode_false): Change to
7949         hook_bool_insn_uint_mode_false.
7950         * hooks.h (hook_bool_uint_mode_false): Ditto.
7951
7952 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
7953
7954         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7955         (aarch64_remove_extra_call_preserved_regs): New function.
7956         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
7957         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
7958         * doc/tm.texi: Regenerate.
7959         * final.c (get_call_reg_set_usage): Call new hook.
7960         * target.def (remove_extra_call_preserved_regs): New hook.
7961         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
7962         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
7963
7964 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7965
7966         PR bootstrap/88714
7967         * passes.c (finish_optimization_passes): Call print_combine_total_stats
7968         inside of pass_combine_1 dump rather than pass_profile_1.
7969
7970 2019-01-11  Tom de Vries  <tdevries@suse.de>
7971
7972         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
7973         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
7974         (PTX_NUM_PER_WORKER_BARRIERS): Define.
7975         (nvptx_apply_dim_limits): Prevent vector_length 64 and
7976         num_workers 16.
7977
7978 2019-01-11  Tom de Vries  <tdevries@suse.de>
7979
7980         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
7981
7982 2019-01-11  Jan Beulich  <jbeulich@suse.com>
7983
7984         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
7985         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
7986         sse2_cvtsi2sd): Add {l}.
7987         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
7988         syntax.
7989
7990 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
7991
7992         PR target/88785
7993         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
7994         define_expand.
7995         (*float<floatunssuffix>v2div2sf2): New define_insn.
7996         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
7997         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
7998         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
7999         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8000         match_operands with "const0_operand" "C".
8001
8002 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8003
8004         * config/aarch64/aarch64-builtins.c
8005         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8006         (aarch64_init_simd_builtins): ...Here
8007
8008 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8009
8010         PR rtl-optimization/87305
8011         * lra-assigns.c
8012         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8013         allocation for big endian pseudos used as paradoxical subregs and
8014         spill them if it is wrong.
8015         * lra-constraints.c (lra_constraints): Add a comment.
8016
8017 2019-01-10  Richard Biener  <rguenther@suse.de>
8018
8019         PR tree-optimization/88792
8020         * tree-ssa-pre.c (get_representative_for): Do not return a
8021         value-number here.
8022
8023 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8024
8025         PR middle-end/84877
8026         PR bootstrap/88450
8027         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8028         (assign_parm_setup_block): Do the argument slot realignment here
8029         instead.
8030
8031 2019-01-10  Stefan Agner  <stefan@agner.ch>
8032
8033         PR target/88648
8034         * config/arm/arm.c (arm_option_override_internal): Force
8035         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8036
8037 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8038
8039         PR c/88568
8040         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8041         DECL_EXTERNAL.
8042
8043 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8044
8045         * config/arm/arm-builtins.c
8046         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8047         (MAC_LANE_PAIR_QUALIFIERS): New.
8048         (arm_expand_builtin_args): Use it.
8049         (arm_expand_builtin_1): Likewise.
8050         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8051         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8052         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8053         * config/arm/arm_neon.h:
8054         (vcadd_rot90_f16): New.
8055         (vcaddq_rot90_f16): New.
8056         (vcadd_rot270_f16): New.
8057         (vcaddq_rot270_f16): New.
8058         (vcmla_f16): New.
8059         (vcmlaq_f16): New.
8060         (vcmla_lane_f16): New.
8061         (vcmla_laneq_f16): New.
8062         (vcmlaq_lane_f16): New.
8063         (vcmlaq_laneq_f16): New.
8064         (vcmla_rot90_f16): New.
8065         (vcmlaq_rot90_f16): New.
8066         (vcmla_rot90_lane_f16): New.
8067         (vcmla_rot90_laneq_f16): New.
8068         (vcmlaq_rot90_lane_f16): New.
8069         (vcmlaq_rot90_laneq_f16): New.
8070         (vcmla_rot180_f16): New.
8071         (vcmlaq_rot180_f16): New.
8072         (vcmla_rot180_lane_f16): New.
8073         (vcmla_rot180_laneq_f16): New.
8074         (vcmlaq_rot180_lane_f16): New.
8075         (vcmlaq_rot180_laneq_f16): New.
8076         (vcmla_rot270_f16): New.
8077         (vcmlaq_rot270_f16): New.
8078         (vcmla_rot270_lane_f16): New.
8079         (vcmla_rot270_laneq_f16): New.
8080         (vcmlaq_rot270_lane_f16): New.
8081         (vcmlaq_rot270_laneq_f16): New.
8082         (vcadd_rot90_f32): New.
8083         (vcaddq_rot90_f32): New.
8084         (vcadd_rot270_f32): New.
8085         (vcaddq_rot270_f32): New.
8086         (vcmla_f32): New.
8087         (vcmlaq_f32): New.
8088         (vcmla_lane_f32): New.
8089         (vcmla_laneq_f32): New.
8090         (vcmlaq_lane_f32): New.
8091         (vcmlaq_laneq_f32): New.
8092         (vcmla_rot90_f32): New.
8093         (vcmlaq_rot90_f32): New.
8094         (vcmla_rot90_lane_f32): New.
8095         (vcmla_rot90_laneq_f32): New.
8096         (vcmlaq_rot90_lane_f32): New.
8097         (vcmlaq_rot90_laneq_f32): New.
8098         (vcmla_rot180_f32): New.
8099         (vcmlaq_rot180_f32): New.
8100         (vcmla_rot180_lane_f32): New.
8101         (vcmla_rot180_laneq_f32): New.
8102         (vcmlaq_rot180_lane_f32): New.
8103         (vcmlaq_rot180_laneq_f32): New.
8104         (vcmla_rot270_f32): New.
8105         (vcmlaq_rot270_f32): New.
8106         (vcmla_rot270_lane_f32): New.
8107         (vcmla_rot270_laneq_f32): New.
8108         (vcmlaq_rot270_lane_f32): New.
8109         (vcmlaq_rot270_laneq_f32): New.
8110         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8111         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8112         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8113         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8114         vcmlaq_lane270): New.
8115         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8116         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8117         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8118         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8119         (arm_option_reconfigure_globals): Use them.
8120         * config/arm/iterators.md (VDF, VQ_HSF): New.
8121         (VCADD, VCMLA): New.
8122         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8123         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8124         New.
8125         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8126         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8127
8128 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8129
8130         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8131         Add qualifier_lane_pair_index.
8132         (emit-rtl.h): Include.
8133         (TYPES_QUADOP_LANE_PAIR): New.
8134         (aarch64_simd_expand_args): Use it.
8135         (aarch64_simd_expand_builtin): Likewise.
8136         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8137         New.
8138         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8139         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8140         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8141         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8142         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8143         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8144         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8145         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8146         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8147         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8148         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8149         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8150         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8151         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8152         Add __ARM_FEATURE_COMPLEX.
8153         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8154         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8155         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8156         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8157         fcmlaq_lane270): New.
8158         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8159         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8160         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8161         * config/aarch64/arm_neon.h:
8162         (vcadd_rot90_f16): New.
8163         (vcaddq_rot90_f16): New.
8164         (vcadd_rot270_f16): New.
8165         (vcaddq_rot270_f16): New.
8166         (vcmla_f16): New.
8167         (vcmlaq_f16): New.
8168         (vcmla_lane_f16): New.
8169         (vcmla_laneq_f16): New.
8170         (vcmlaq_lane_f16): New.
8171         (vcmlaq_rot90_lane_f16): New.
8172         (vcmla_rot90_laneq_f16): New.
8173         (vcmla_rot90_lane_f16): New.
8174         (vcmlaq_rot90_f16): New.
8175         (vcmla_rot90_f16): New.
8176         (vcmlaq_laneq_f16): New.
8177         (vcmla_rot180_laneq_f16): New.
8178         (vcmla_rot180_lane_f16): New.
8179         (vcmlaq_rot180_f16): New.
8180         (vcmla_rot180_f16): New.
8181         (vcmlaq_rot90_laneq_f16): New.
8182         (vcmlaq_rot270_laneq_f16): New.
8183         (vcmlaq_rot270_lane_f16): New.
8184         (vcmla_rot270_laneq_f16): New.
8185         (vcmlaq_rot270_f16): New.
8186         (vcmla_rot270_f16): New.
8187         (vcmlaq_rot180_laneq_f16): New.
8188         (vcmlaq_rot180_lane_f16): New.
8189         (vcmla_rot270_lane_f16): New.
8190         (vcadd_rot90_f32): New.
8191         (vcaddq_rot90_f32): New.
8192         (vcaddq_rot90_f64): New.
8193         (vcadd_rot270_f32): New.
8194         (vcaddq_rot270_f32): New.
8195         (vcaddq_rot270_f64): New.
8196         (vcmla_f32): New.
8197         (vcmlaq_f32): New.
8198         (vcmlaq_f64): New.
8199         (vcmla_lane_f32): New.
8200         (vcmla_laneq_f32): New.
8201         (vcmlaq_lane_f32): New.
8202         (vcmlaq_laneq_f32): New.
8203         (vcmla_rot90_f32): New.
8204         (vcmlaq_rot90_f32): New.
8205         (vcmlaq_rot90_f64): New.
8206         (vcmla_rot90_lane_f32): New.
8207         (vcmla_rot90_laneq_f32): New.
8208         (vcmlaq_rot90_lane_f32): New.
8209         (vcmlaq_rot90_laneq_f32): New.
8210         (vcmla_rot180_f32): New.
8211         (vcmlaq_rot180_f32): New.
8212         (vcmlaq_rot180_f64): New.
8213         (vcmla_rot180_lane_f32): New.
8214         (vcmla_rot180_laneq_f32): New.
8215         (vcmlaq_rot180_lane_f32): New.
8216         (vcmlaq_rot180_laneq_f32): New.
8217         (vcmla_rot270_f32): New.
8218         (vcmlaq_rot270_f32): New.
8219         (vcmlaq_rot270_f64): New.
8220         (vcmla_rot270_lane_f32): New.
8221         (vcmla_rot270_laneq_f32): New.
8222         (vcmlaq_rot270_lane_f32): New.
8223         (vcmlaq_rot270_laneq_f32): New.
8224         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8225         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8226         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8227         (FCADD, FCMLA): New.
8228         (rot): New.
8229         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8230
8231 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8232
8233         PR other/16615
8234
8235         * config/pa/pa.c: Change "can not" to "cannot".
8236         * gimple-ssa-evrp-analyze.c: Likewise.
8237         * ipa-icf.c: Likewise.
8238         * ipa-polymorphic-call.c: Likewise.
8239         * ipa-pure-const.c: Likewise.
8240         * lra-constraints.c: Likewise.
8241         * lra-remat.c: Likewise.
8242         * reload1.c: Likewise.
8243         * reorg.c: Likewise.
8244         * tree-ssa-uninit.c: Likewise.
8245
8246 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8247
8248         PR other/16615
8249
8250         * Makefile.in: Mechanically replace "can not" with "cannot".
8251         * alias.c: Likewise.
8252         * builtins.c: Likewise.
8253         * calls.c: Likewise.
8254         * cgraph.c: Likewise.
8255         * cgraph.h: Likewise.
8256         * cgraphclones.c: Likewise.
8257         * cgraphunit.c: Likewise.
8258         * combine-stack-adj.c: Likewise.
8259         * combine.c: Likewise.
8260         * common/config/i386/i386-common.c: Likewise.
8261         * config/aarch64/aarch64.c: Likewise.
8262         * config/alpha/sync.md: Likewise.
8263         * config/arc/arc.c: Likewise.
8264         * config/arc/predicates.md: Likewise.
8265         * config/arm/arm-c.c: Likewise.
8266         * config/arm/arm.c: Likewise.
8267         * config/arm/arm.h: Likewise.
8268         * config/arm/arm.md: Likewise.
8269         * config/arm/cortex-r4f.md: Likewise.
8270         * config/csky/csky.c: Likewise.
8271         * config/csky/csky.h: Likewise.
8272         * config/darwin-f.c: Likewise.
8273         * config/epiphany/epiphany.md: Likewise.
8274         * config/i386/i386.c: Likewise.
8275         * config/i386/sol2.h: Likewise.
8276         * config/m68k/m68k.c: Likewise.
8277         * config/mcore/mcore.h: Likewise.
8278         * config/microblaze/microblaze.md: Likewise.
8279         * config/mips/20kc.md: Likewise.
8280         * config/mips/sb1.md: Likewise.
8281         * config/nds32/nds32.c: Likewise.
8282         * config/nds32/predicates.md: Likewise.
8283         * config/pa/pa.c: Likewise.
8284         * config/rs6000/e300c2c3.md: Likewise.
8285         * config/rs6000/rs6000.c: Likewise.
8286         * config/s390/s390.h: Likewise.
8287         * config/sh/sh.c: Likewise.
8288         * config/sh/sh.md: Likewise.
8289         * config/spu/vmx2spu.h: Likewise.
8290         * cprop.c: Likewise.
8291         * dbxout.c: Likewise.
8292         * df-scan.c: Likewise.
8293         * doc/cfg.texi: Likewise.
8294         * doc/extend.texi: Likewise.
8295         * doc/fragments.texi: Likewise.
8296         * doc/gty.texi: Likewise.
8297         * doc/invoke.texi: Likewise.
8298         * doc/lto.texi: Likewise.
8299         * doc/md.texi: Likewise.
8300         * doc/objc.texi: Likewise.
8301         * doc/rtl.texi: Likewise.
8302         * doc/tm.texi: Likewise.
8303         * dse.c: Likewise.
8304         * emit-rtl.c: Likewise.
8305         * emit-rtl.h: Likewise.
8306         * except.c: Likewise.
8307         * expmed.c: Likewise.
8308         * expr.c: Likewise.
8309         * fold-const.c: Likewise.
8310         * genautomata.c: Likewise.
8311         * gimple-fold.c: Likewise.
8312         * hard-reg-set.h: Likewise.
8313         * ifcvt.c: Likewise.
8314         * ipa-comdats.c: Likewise.
8315         * ipa-cp.c: Likewise.
8316         * ipa-devirt.c: Likewise.
8317         * ipa-fnsummary.c: Likewise.
8318         * ipa-icf.c: Likewise.
8319         * ipa-inline-transform.c: Likewise.
8320         * ipa-inline.c: Likewise.
8321         * ipa-polymorphic-call.c: Likewise.
8322         * ipa-profile.c: Likewise.
8323         * ipa-prop.c: Likewise.
8324         * ipa-pure-const.c: Likewise.
8325         * ipa-reference.c: Likewise.
8326         * ipa-split.c: Likewise.
8327         * ipa-visibility.c: Likewise.
8328         * ipa.c: Likewise.
8329         * ira-build.c: Likewise.
8330         * ira-color.c: Likewise.
8331         * ira-conflicts.c: Likewise.
8332         * ira-costs.c: Likewise.
8333         * ira-int.h: Likewise.
8334         * ira-lives.c: Likewise.
8335         * ira.c: Likewise.
8336         * ira.h: Likewise.
8337         * loop-invariant.c: Likewise.
8338         * loop-unroll.c: Likewise.
8339         * lower-subreg.c: Likewise.
8340         * lra-assigns.c: Likewise.
8341         * lra-constraints.c: Likewise.
8342         * lra-eliminations.c: Likewise.
8343         * lra-lives.c: Likewise.
8344         * lra-remat.c: Likewise.
8345         * lra-spills.c: Likewise.
8346         * lra.c: Likewise.
8347         * lto-cgraph.c: Likewise.
8348         * lto-streamer-out.c: Likewise.
8349         * postreload-gcse.c: Likewise.
8350         * predict.c: Likewise.
8351         * profile-count.h: Likewise.
8352         * profile.c: Likewise.
8353         * recog.c: Likewise.
8354         * ree.c: Likewise.
8355         * reload.c: Likewise.
8356         * reload1.c: Likewise.
8357         * reorg.c: Likewise.
8358         * resource.c: Likewise.
8359         * rtl.def: Likewise.
8360         * rtl.h: Likewise.
8361         * rtlanal.c: Likewise.
8362         * sched-deps.c: Likewise.
8363         * sched-ebb.c: Likewise.
8364         * sched-rgn.c: Likewise.
8365         * sel-sched-ir.c: Likewise.
8366         * sel-sched.c: Likewise.
8367         * shrink-wrap.c: Likewise.
8368         * simplify-rtx.c: Likewise.
8369         * symtab.c: Likewise.
8370         * target.def: Likewise.
8371         * toplev.c: Likewise.
8372         * tree-call-cdce.c: Likewise.
8373         * tree-cfg.c: Likewise.
8374         * tree-complex.c: Likewise.
8375         * tree-core.h: Likewise.
8376         * tree-eh.c: Likewise.
8377         * tree-inline.c: Likewise.
8378         * tree-loop-distribution.c: Likewise.
8379         * tree-nrv.c: Likewise.
8380         * tree-profile.c: Likewise.
8381         * tree-sra.c: Likewise.
8382         * tree-ssa-alias.c: Likewise.
8383         * tree-ssa-dce.c: Likewise.
8384         * tree-ssa-dom.c: Likewise.
8385         * tree-ssa-forwprop.c: Likewise.
8386         * tree-ssa-loop-im.c: Likewise.
8387         * tree-ssa-loop-ivcanon.c: Likewise.
8388         * tree-ssa-loop-ivopts.c: Likewise.
8389         * tree-ssa-loop-niter.c: Likewise.
8390         * tree-ssa-phionlycprop.c: Likewise.
8391         * tree-ssa-phiopt.c: Likewise.
8392         * tree-ssa-propagate.c: Likewise.
8393         * tree-ssa-threadedge.c: Likewise.
8394         * tree-ssa-threadupdate.c: Likewise.
8395         * tree-ssa-uninit.c: Likewise.
8396         * tree-ssanames.c: Likewise.
8397         * tree-streamer-out.c: Likewise.
8398         * tree.c: Likewise.
8399         * tree.h: Likewise.
8400         * vr-values.c: Likewise.
8401
8402 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8403
8404         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8405         (ix86_split_xorsign): Ditto.
8406         * config/i386/i386.c (ix86_expand_xorsign): New function.
8407         (ix86_split_xorsign): Ditto.
8408         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8409         (xorsign<mode>3): New expander.
8410         (xorsign<mode>3_1): New insn_and_split pattern.
8411         * config/i386/sse.md (xorsign<mode>3): New expander.
8412
8413 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8414
8415         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8416         (*tablejump_sp64): Likewise.
8417         (*tablejump<P:mode>): ...this.
8418         (*call_address_sp32): Merge into...
8419         (*call_address_sp64): Likewise.
8420         (*call_address<P:mode>): ...this.
8421         (*call_symbolic_sp32): Merge into...
8422         (*call_symbolic_sp64): Likewise.
8423         (*call_symbolic<P:mode>): ...this.
8424         (call_value): Remove constraint and add predicate.
8425         (*call_value_address_sp32): Merge into...
8426         (*call_value_address_sp64): Likewise.
8427         (*call_value_address<P:mode>): ...this.
8428         (*call_value_symbolic_sp32): Merge into...
8429         (*call_value_symbolic_sp64): Likewise.
8430         (*call_value_symbolic<P:mode>): ...this.
8431         (*sibcall_symbolic_sp32): Merge into...
8432         (*sibcall_symbolic_sp64): Likewise.
8433         (*sibcall_symbolic<P:mode>): ...this.
8434         (sibcall_value): Remove constraint and add predicate.
8435         (*sibcall_value_symbolic_sp32): Merge into...
8436         (*sibcall_value_symbolic_sp64): Likewise.
8437         (*sibcall_value_symbolic<P:mode>): ...this.
8438         (window_save): Minor tweak.
8439         (*branch_sp32): Merge into...
8440         (*branch_sp64): Likewise.
8441         (*branch<P:mode>): ...this.
8442
8443 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8444             James Clarke  <jrtc27@jrtc27.com>
8445
8446         PR target/84010
8447         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8448         consistently in TLS address generation and adjust code to the renaming
8449         of patterns.  Mark calls to __tls_get_addr as const.
8450         * config/sparc/sparc.md (tgd_hi22): Turn into...
8451         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8452         (tgd_lo10): Turn into...
8453         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8454         (tgd_add32): Merge into...
8455         (tgd_add64): Likewise.
8456         (tgd_add<P:mode>): ...this and use Pmode throughout.
8457         (tldm_hi22): Turn into...
8458         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8459         (tldm_lo10): Turn into...
8460         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8461         (tldm_add32): Merge into...
8462         (tldm_add64): Likewise.
8463         (tldm_add<P:mode>): ...this and use Pmode throughout.
8464         (tldm_call32): Merge into...
8465         (tldm_call64): Likewise.
8466         (tldm_call<P:mode>): ...this and use Pmode throughout.
8467         (tldo_hix22): Turn into...
8468         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8469         (tldo_lox10): Turn into...
8470         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8471         (tldo_add32): Merge into...
8472         (tldo_add64): Likewise.
8473         (tldo_add<P:mode>): ...this and use Pmode throughout.
8474         (tie_hi22): Turn into...
8475         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8476         (tie_lo10): Turn into...
8477         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8478         (tie_ld64): Use DImode throughout.
8479         (tie_add32): Merge into...
8480         (tie_add64): Likewise.
8481         (tie_add<P:mode>): ...this and use Pmode throughout.
8482         (tle_hix22_sp32): Merge into...
8483         (tle_hix22_sp64): Likewise.
8484         (tle_hix22<P:mode>): ...this and use Pmode throughout.
8485         (tle_lox22_sp32): Merge into...
8486         (tle_lox22_sp64): Likewise.
8487         (tle_lox22<P:mode>): ...this and use Pmode throughout.
8488         (*tldo_ldub_sp32): Merge into...
8489         (*tldo_ldub_sp64): Likewise.
8490         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
8491         (*tldo_ldub1_sp32): Merge into...
8492         (*tldo_ldub1_sp64): Likewise.
8493         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
8494         (*tldo_ldub2_sp32): Merge into...
8495         (*tldo_ldub2_sp64): Likewise.
8496         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
8497         (*tldo_ldsb1_sp32): Merge into...
8498         (*tldo_ldsb1_sp64): Likewise.
8499         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
8500         (*tldo_ldsb2_sp32): Merge into...
8501         (*tldo_ldsb2_sp64): Likewise.
8502         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
8503         (*tldo_ldub3_sp64): Use DImode throughout.
8504         (*tldo_ldsb3_sp64): Likewise.
8505         (*tldo_lduh_sp32): Merge into...
8506         (*tldo_lduh_sp64): Likewise.
8507         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
8508         (*tldo_lduh1_sp32): Merge into...
8509         (*tldo_lduh1_sp64): Likewise.
8510         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
8511         (*tldo_ldsh1_sp32): Merge into...
8512         (*tldo_ldsh1_sp64): Likewise.
8513         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
8514         (*tldo_lduh2_sp64): Use DImode throughout.
8515         (*tldo_ldsh2_sp64): Likewise.
8516         (*tldo_lduw_sp32): Merge into...
8517         (*tldo_lduw_sp64): Likewise.
8518         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
8519         (*tldo_lduw1_sp64): Use DImode throughout.
8520         (*tldo_ldsw1_sp64): Likewise.
8521         (*tldo_ldx_sp64): Likewise.
8522         (*tldo_stb_sp32): Merge into...
8523         (*tldo_stb_sp64): Likewise.
8524         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
8525         (*tldo_sth_sp32): Merge into...
8526         (*tldo_sth_sp64): Likewise.
8527         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
8528         (*tldo_stw_sp32): Merge into...
8529         (*tldo_stw_sp64): Likewise.
8530         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
8531         (*tldo_stx_sp64): Use DImode throughout.
8532
8533 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8534
8535         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
8536         check configure option to set BTI and Return Address Signing.
8537         * configure.ac: Add --enable-standard-branch-protection and
8538         --disable-standard-branch-protection.
8539         * configure: Regenerated.
8540         * doc/install.texi: Document the same.
8541
8542 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8543             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8544
8545         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
8546         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
8547         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
8548         if bti is enabled.
8549         * config/aarch64/aarch64-bti-insert.c: New file.
8550         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
8551         pass.
8552         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
8553         new bti pass.
8554         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
8555         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
8556         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
8557         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
8558
8559 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8560
8561         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
8562         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
8563         Disable bti for -mbranch-protection=none.
8564         (aarch64_handle_standard_branch_protection): Enable bti for
8565         -mbranch-protection=standard.
8566         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
8567         -mbranch-protection.
8568         (aarch64_bti_enabled): Check if bti is enabled.
8569         * config/aarch64/aarch64.opt: Declare target variable.
8570         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
8571
8572 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8573
8574         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
8575         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
8576         (aarch64_expand_epilogue): Likewise.
8577         (aarch64_output_mi_thunk): Likewise
8578         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
8579         TAILCALL_ADDR_REGS to x16 and x17.
8580         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
8581
8582 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8583
8584         * config/aarch64/aarch64-option-extensions.def: Define
8585         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
8586         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
8587         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
8588         (AARCH64_FL_PREDRES): New.
8589         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
8590         AARCH64_FL_PREDRES by default.
8591         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
8592
8593 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8594
8595         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
8596         ARMv8.5-A.
8597         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
8598         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
8599         * doc/invoke.texi: Document ARMv8.5-A.
8600
8601 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
8602
8603         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
8604         (xorsign<mode>3): Likewise.
8605
8606 2019-01-09  Jelinek  <jakub@redhat.com>
8607
8608         PR middle-end/88758
8609         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
8610         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
8611
8612         PR rtl-optimization/88331
8613         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
8614         not currently_expanding_to_rtl.
8615
8616 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8617
8618         * doc/invoke.texi (-Os): Remove trailing spaces.
8619         (-finline-functions): Remove reference to -O2.
8620
8621 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
8622
8623         PR rtl-optimization/79593
8624         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
8625
8626         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
8627         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
8628
8629 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
8630
8631         PR bootstrap/88721
8632         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
8633         to -1 on entry.
8634
8635         PR debug/88723
8636         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
8637         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
8638
8639 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8640
8641         PR target/88717
8642         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
8643         ix86_avx_u128_mode_entry.
8644
8645 2019-01-08  Martin Liska  <mliska@suse.cz>
8646
8647         PR tree-optimization/88753
8648         * tree-switch-conversion.c (switch_conversion::build_one_array):
8649         Come up with local variable constructor.  Convert first to
8650         type of constructor values.
8651
8652 2019-01-08  Richard Biener  <rguenther@suse.de>
8653
8654         PR tree-optimization/86554
8655         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
8656         rpo_avail): Move earlier.
8657         (visit_nary_op): When value-numbering to expressions
8658         with different overflow behavior make sure there's an
8659         available expression on the path.
8660
8661 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
8662
8663         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
8664         aarch64_parse_branch_protection,
8665         struct aarch64_branch_protect_type,
8666         aarch64_handle_no_branch_protection,
8667         aarch64_handle_standard_branch_protection,
8668         aarch64_validate_mbranch_protection,
8669         aarch64_handle_pac_ret_protection,
8670         aarch64_handle_attr_branch_protection,
8671         accepted_branch_protection_string,
8672         aarch64_pac_ret_subtypes,
8673         aarch64_branch_protect_types,
8674         aarch64_handle_pac_ret_leaf): Define.
8675         (aarch64_override_options_after_change_1, aarch64_override_options):
8676         Add check for accepted_branch_protection_string.
8677         (aarch64_option_save): Save accepted_branch_protection_string.
8678         (aarch64_option_restore): Save accepted_branch_protection_string.
8679         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
8680         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
8681         msign-return-address.
8682         * doc/invoke.texi: Add mbranch-protection.
8683
8684 2019-01-08  Alan Modra  <amodra@gmail.com>
8685
8686         PR target/88614
8687         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
8688         Delete "unknownp" parameter.  Adjust callers.  Handle
8689         CONST_INT, PLUS, MINUS, and MULT.
8690         (attr_value_aligned): Renamed from or_attr_value.
8691         (min_attr_value): Return INT_MIN for unhandled rtl case..
8692         (min_fn): ..and translate to INT_MAX here.
8693         (write_length_unit_log): Modify to cope without "unknown".
8694         (write_attr_value): Handle IF_THEN_ELSE.
8695
8696 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8697
8698         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
8699         optimization for masked stores.
8700
8701 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8702
8703         PR middle-end/88567
8704         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
8705         output vector directly to duplicate_and_interleave instead of
8706         going through a temporary.  Postpone insertion of ctor_seq to
8707         the end of the loop.
8708
8709 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
8710
8711         PR target/86891
8712         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
8713         unsigned_p.  Handle signed and unsigned overflow correction as
8714         required.
8715         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
8716         prototype.
8717         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
8718         for operand 2.
8719         (add<mode>3_compareV_imm): Make this callable for expanding.
8720         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
8721         aarch64_plus_operand for operand 2.
8722         (subv<GPI:mode>_insn): New insn pattern.
8723         (subv<GPI:mode>_imm): Likewise.
8724         (negv<GPI:mode>3): New expand pattern.
8725         (negv<GPI:mode>_insn): New insn pattern.
8726         (negv<GPI:mode>_cmp_only): Likewise.
8727         (cmpv<GPI:mode>_insn): Likewise.
8728         (subvti4): Use register_operand for operand 1.  Update call to
8729         aarch64_expand_subvti.
8730         (usubvti4): Likewise.
8731         (negvti3): New expand pattern.
8732         (negdi_carryout): New insn pattern.
8733         (negvdi_carryinV): New insn pattern.
8734         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
8735         version the named version.
8736         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
8737         operands.
8738         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
8739         patterns.
8740         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
8741         patterns.
8742         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
8743         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
8744         (sub<mode>3_carryinCV): Delete.
8745         (sub<GPI:mode>3_carryinV): New expand pattern.
8746         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
8747
8748 2019-01-07  Richard Biener  <rguenther@suse.de>
8749
8750         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
8751         of tree_operand_hash.
8752
8753 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8754
8755         PR tree-optimization/88598
8756         * tree.h (single_nonzero_element): Declare.
8757         * tree.c (single_nonzero_element): New function.
8758         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
8759         if I is the only nonzero element of CST.
8760
8761 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8762
8763         PR tree-optimization/88598
8764         * tree.h (initializer_each_zero_or_onep): Declare.
8765         * tree.c (initializer_each_zero_or_onep): New function.
8766         (signed_or_unsigned_type_for): Handle float types too.
8767         (unsigned_type_for, signed_type_for): Update comments accordingly.
8768         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
8769         x & { 0 or -1, 0 or -1, ... }.
8770
8771 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
8772
8773         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
8774         with x86_64-pc-linux-gnu.
8775
8776 2019-01-07  Tom de Vries  <tdevries@suse.de>
8777
8778         PR target/85486
8779         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
8780         function.
8781         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
8782         routines.
8783
8784 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
8785
8786         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
8787         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
8788         TARGET_AVX512F as condition.
8789
8790         PR debug/88723
8791         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
8792         const_not_ok_for_debug_p target hook.
8793         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
8794         on UNSPEC and subexpressions thereof if all subexpressions of the
8795         UNSPEC are CONSTANT_P.
8796
8797         PR tree-optimization/88676
8798         * tree-ssa-phiopt.c (two_value_replacement): New function.
8799         (tree_ssa_phiopt_worker): Call it.
8800
8801         PR sanitizer/88619
8802         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
8803         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
8804
8805         PR c++/85052
8806         * tree-vect-generic.c: Include insn-config.h and recog.h.
8807         (expand_vector_piecewise): Add defaulted ret_type argument,
8808         if non-NULL, use that in preference to type for the result type.
8809         (expand_vector_parallel): Formatting fix.
8810         (do_vec_conversion, do_vec_narrowing_conversion,
8811         expand_vector_conversion): New functions.
8812         (expand_vector_operations_1): Call expand_vector_conversion
8813         for VEC_CONVERT ifn calls.
8814         * internal-fn.def (VEC_CONVERT): New internal function.
8815         * internal-fn.c (expand_VEC_CONVERT): New function.
8816         * fold-const-call.c (fold_const_vec_convert): New function.
8817         (fold_const_call): Use it for CFN_VEC_CONVERT.
8818         * doc/extend.texi (__builtin_convertvector): Document.
8819
8820 2019-01-07  Tom de Vries  <tdevries@suse.de>
8821
8822         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
8823         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
8824         vector_red_partition, vector_red_sym): New global variables.
8825         (nvptx_option_override): Initialize vector_red_sym.
8826         (nvptx_declare_function_name): Restore red_partition register.
8827         (nvptx_file_end): Emit code to declare the vector reduction variables.
8828         (nvptx_output_red_partition): New function.
8829         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
8830         large vector reductions.
8831         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
8832         (nvptx_init_builtins): Add VECTOR_ADDR.
8833         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
8834         Handle nvptx_expand_shared_addr.
8835         (nvptx_get_shared_red_addr): Add vector argument and handle large
8836         vectors.
8837         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
8838         large vectors.
8839         (nvptx_goacc_reduction_init): Likewise.
8840         (nvptx_goacc_reduction_fini): Likewise.
8841         (nvptx_goacc_reduction_teardown): Likewise.
8842         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
8843         init,fini,teardown}.
8844         (nvptx_init_axis_predicate): Initialize vector_red_partition.
8845         (nvptx_set_current_function): Init vector_red_partition.
8846         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
8847         (nvptx_red_partition): New insn.
8848         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
8849
8850 2019-01-07  Tom de Vries  <tdevries@suse.de>
8851
8852         PR target/85381
8853         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
8854         empty loops.
8855
8856 2019-01-07  Tom de Vries  <tdevries@suse.de>
8857
8858         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
8859         (nvptx_option_override): Init oacc_bcast_partition.
8860         (nvptx_init_oacc_workers): New function.
8861         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
8862         (nvptx_needs_shared_bcast): New function.
8863         (nvptx_find_par): Generalize to enable vectors to use shared-memory
8864         to propagate state.
8865         (nvptx_shared_propagate): Initialize vector bcast partition and
8866         synchronization state.
8867         (nvptx_single):  Generalize to enable vectors to use shared-memory
8868         to propagate state.
8869         (nvptx_process_pars): Likewise.
8870         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
8871         * config/nvptx/nvptx.h (struct machine_function): Add
8872         bcast_partition and sync_bar members.
8873
8874 2019-01-07  Tom de Vries  <tdevries@suse.de>
8875
8876         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
8877         (nvptx_apply_dim_limits): New function.
8878         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
8879         PTX_WARP_SIZE.
8880
8881 2019-01-07  Tom de Vries  <tdevries@suse.de>
8882
8883         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
8884         as late as possible.
8885
8886 2019-01-07  Tom de Vries  <tdevries@suse.de>
8887
8888         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
8889         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
8890         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
8891         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
8892         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
8893
8894 2019-01-07  Tom de Vries  <tdevries@suse.de>
8895
8896         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
8897
8898 2019-01-07  Tom de Vries  <tdevries@suse.de>
8899
8900         * omp-offload.c (oacc_get_min_dim): New function.
8901         * omp-offload.h (oacc_get_min_dim): Declare.
8902
8903 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
8904
8905         PR target/88521
8906         * config/i386/i386.c (function_value_ms_64): Return small sturct in
8907         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
8908
8909 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8910
8911         PR tree-opt/86020
8912         Revert:
8913         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
8914
8915         * ipa-inline.c (edge_badness): Use inlined_time instead of
8916         inline_summaries->get.
8917
8918 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8919
8920         * opts.c (enable_fdo_optimizations): Enable
8921         version-loops-for-strides, loop-interchange, unrol-and-jam
8922         and tree-loop-distribution.
8923         * invoke.texi: Document newly enabled options.
8924
8925 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8926
8927         * doc/invoke.texi (max-inline-insns-small): New parameters.
8928         * ipa-inline.c (want_early_inline_function_p): simplify.
8929         (want_inline_small_function_p): Fix pasto from previous patch;
8930         use max-inline-insns-small bound.
8931         * params.def (max-inline-insns-small): New param.
8932         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
8933         variables correctly.
8934
8935 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8936
8937         * doc/invoke.texi: Document max-inline-insns-size,
8938         uninlined-function-insns, uninlined-function-time,
8939         uninlined-thunk-insns and uninlined-thunk-time.
8940         * params.def: Add max-inline-insns-size,
8941         uninlined-function-insns, uninlined-function-time,
8942         uninlined-thunk-insns and uninlined-thunk-time.
8943         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
8944         new parameters.
8945         * ipa-inline.c (can_inline_edge_by_limits_p,
8946         want_inline_small_function_p): Use new parameters.
8947
8948 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8949
8950         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
8951
8952 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
8953
8954         PR middle-end/82564
8955         PR target/88620
8956         * expr.c (expand_assignment): For calls returning VLA structures
8957         if to_rtx is not a MEM, force it into a stack temporary.
8958
8959         PR debug/88635
8960         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
8961         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
8962         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
8963         subexpressions of both operands.
8964         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
8965         subrtxes are CONSTANT_P.
8966         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
8967         2018-11-09 changes.
8968
8969 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
8970
8971         * params.def (hot-bb-count-ws-permille): Set to 990.
8972
8973 2019-01-04  Martin Sebor  <msebor@redhat.com>
8974
8975         PR c/88546
8976         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
8977         leaf.
8978
8979 2019-01-04  Martin Sebor  <msebor@redhat.com>
8980
8981         PR c/88363
8982         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
8983
8984 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
8985
8986         * gdbinit.in: Turn off pagination for the skip commands, restore
8987         it to previous state afterwards.
8988
8989 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
8990
8991         PR target/88594
8992         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
8993         of GET_MODE (opN) as modes of the libcall arguments.
8994
8995 2019-01-04  Jan Beulich  <jbeulich@suse.com>
8996
8997         * config/i386/sse.md
8998         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
8999         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9000         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9001         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9002         avx512f_vmcmp<mode>3<round_saeonly_name>,
9003         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9004         avx512f_maskcmp<mode>3,
9005         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9006         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9007         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9008         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9009         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9010         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9011         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9012         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9013         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9014         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9015         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9016         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9017         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9018         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9019         avx512cd_maskb_vec_dup<mode>,
9020         avx512cd_maskw_vec_dup<mode>,
9021         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9022         avx512dq_vmfpclass<mode>,
9023         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9024         instead of =Yk.
9025
9026 2019-01-03  Martin Sebor  <msebor@redhat.com>
9027
9028         PR tree-optimization/88659
9029         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9030
9031 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9032
9033         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9034         unaligned vsx and avoid lxvd2x/stxvd2x.
9035         (gen_lvx_v4si_move): New function.
9036
9037 2019-01-03  Tom de Vries  <tdevries@suse.de>
9038
9039         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9040         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9041         function.
9042         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9043
9044 2019-01-03  Tom de Vries  <tdevries@suse.de>
9045
9046         * config/nvptx/nvptx.c (struct offload_attrs): New.
9047         (populate_offload_attrs): New function.  Factor mask extraction out of
9048         nvptx_reorg.  Add extraction of dimensions.
9049         (nvptx_reorg): Use populate_offload_attrs.
9050
9051 2019-01-03  Tom de Vries  <tdevries@suse.de>
9052
9053         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9054         cases for oacc_min_dims_p and routine_p.  Add asserts for
9055         oacc_default_dims_p and offload_region_p.
9056
9057 2019-01-03  Tom de Vries  <tdevries@suse.de>
9058
9059         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9060         factored out of ...
9061         (nvptx_goacc_validate_dims): ... here.
9062
9063 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9064
9065         PR tree-optimization/85574
9066         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9067         structure.
9068         (struct ssa_equip_hash_traits): Declare.
9069         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9070
9071 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9072
9073         PR debug/88644
9074         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9075         change it to qualified_type.
9076
9077 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9078
9079         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9080         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9081
9082 2019-01-02  Martin Sebor  <msebor@redhat.com>
9083             Jeff Law  <law@redhat.com>
9084
9085         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9086         (get_range_strlen_tree): Update appropriately.
9087         (get_range_strlen)
9088         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9089
9090         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9091         rather than set_range_info.
9092         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9093         maybe_set_strlen_range.  Handle potentially boundary crossing
9094         cases more conservatively.
9095         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9096         Call set_strlen_range.
9097         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9098
9099         PR middle-end/88663
9100         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9101         need the flexp argument.
9102         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9103         from calls to get_range_strlen.  Update comments.  Just update
9104         VAL for an unterminated const char array and let the reset of the
9105         code handle it normally.  No longer try to set *flexp.  Adjust
9106         return value.
9107         (get_range_strlen): Update for the new get_range_strlen API.
9108         (get_maxval_strlen): Similarly.
9109         (gimple_fold_builtin_strlen): Handle update meaning of return value
9110         from get_range_strlen.
9111         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9112         get_range_strlen API.
9113
9114 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9115
9116         PR lto/88130
9117         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9118         false at WPA time when body was removed.
9119
9120 2019-01-02  Martin Liska  <mliska@suse.cz>
9121
9122         PR tree-optimization/88650
9123         * predict.c (set_even_probabilities): Calculate probability
9124         remainer only when really used.
9125
9126 2019-01-02  Richard Biener  <rguenther@suse.de>
9127
9128         PR middle-end/88651
9129         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9130         widest_ints when mangling max_stmt_execution results.
9131
9132 2019-01-02  Richard Biener  <rguenther@suse.de>
9133
9134         PR tree-optimization/88621
9135         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9136         bitfields when canoncalizing.
9137
9138 2019-01-02  Richard Biener  <rguenther@suse.de>
9139
9140         PR target/87545
9141         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9142         cost of cheap SSE instruction.
9143
9144 2019-01-02  Richard Biener  <rguenther@suse.de>
9145
9146         PR ipa/85574
9147         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9148         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9149         function.
9150         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9151         set after UIDs before splitting them.
9152
9153 2019-01-01  Martin Sebor  <msebor@redhat.com>
9154             Jeff Law  <law@redhat.com>
9155
9156         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9157         length is optimistic.  If it is, then arrange to compute the
9158         conservative length as well.
9159
9160         * gimple-fold.h (get_range_strlen): Update prototype.
9161         * builtins.c (check_access): Update call to get_range_strlen to use
9162         c_strlen_data pointer.   Change various variable accesses to instead
9163         pull data from the c_strlen_data structure.
9164         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9165         * calls.c (maybe_warn_nonstring_arg): Likewise.
9166         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9167         minimum length if maximum lengh is unknown.
9168         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9169         that used c_strlen, it's no longer needed.  Restructure slightly.
9170         (format_string): Set unlikely range appropriately.
9171         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9172         formatting issues.
9173         (get_range_strlen):  Accept c_strlen_data pointer for external
9174         call sites as well.  Pass through to call to internal get_range_strlen.
9175         Adjust minlen, maxlen and maxbound as needed.
9176         (get_maxval_strlen): Update comments.
9177         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9178         to use c_strlen_data pointer.  Change variable accesses to instead
9179         use c_strlen_data data members.
9180
9181         * gimple-fold.c (get_range_strlen): Update prototype.
9182         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9183         local variables.  Use pdata to return information to caller.
9184         Update calls to get_range_strlen.  Update pdata->maxbound.
9185         (get_range_strlen -- static version): Similarly.
9186         (get_range_strlen -- extern version): Update for internal
9187         get_range_strlen API change.  Convert to external data format.
9188         (get_maxval_strlen): Similarly.
9189
9190 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9191
9192         * coverage.c (get_coverage_counts): Use current_function_decl.
9193         * profile.c (read_thunk_profile): New function.
9194         (branch_prob): Add THUNK parameter.
9195         * tree-profile.c (tree_profiling): Handle thunks.
9196         * value-prof.c (init_node_map): Handle thunks.
9197         * value-prof.h (branch_prob): Upate prototype.
9198         (read_thunk_profile): Declare.
9199
9200 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9201
9202         Update copyright years.
9203
9204         * gcc.c (process_command): Update copyright notice dates.
9205         * gcov-dump.c (print_version): Ditto.
9206         * gcov.c (print_version): Ditto.
9207         * gcov-tool.c (print_version): Ditto.
9208         * gengtype.c (create_file): Ditto.
9209         * doc/cpp.texi: Bump @copying's copyright year.
9210         * doc/cppinternals.texi: Ditto.
9211         * doc/gcc.texi: Ditto.
9212         * doc/gccint.texi: Ditto.
9213         * doc/gcov.texi: Ditto.
9214         * doc/install.texi: Ditto.
9215         * doc/invoke.texi: Ditto.
9216 \f
9217 Copyright (C) 2019 Free Software Foundation, Inc.
9218
9219 Copying and distribution of this file, with or without modification,
9220 are permitted in any medium without royalty provided the copyright
9221 notice and this notice are preserved.