gcc/ChangeLog

   1 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
   2
   3         * function.c (assign_parm_setup_block): Raise alignment of
   4         stacked parameter only for STRICT_ALIGNMENT targets.
   5
   6 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
   7
   8         * config/rs6000/constraints.md (define_register_constraint "wz"):
   9         Delete.
  10         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  11         RS6000_CONSTRAINT_wz.
  12         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  13         (rs6000_init_hard_regno_mode_ok): Adjust.
  14         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
  15         * doc/md.texi (Machine Constraints): Adjust.
  16
  17 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  18
  19         * config/rs6000/constraints.md (define_register_constraint "wl"):
  20         Delete.
  21         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  22         RS6000_CONSTRAINT_wl.
  23         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  24         (rs6000_init_hard_regno_mode_ok): Adjust.
  25         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
  26         * doc/md.texi (Machine Constraints): Adjust.
  27
  28 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  29
  30         * config/rs6000/constraints.md (define_register_constraint "wm"):
  31         Delete.
  32         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  33         RS6000_CONSTRAINT_wm.
  34         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  35         (rs6000_init_hard_regno_mode_ok): Adjust.
  36         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
  37         * doc/md.texi (Machine Constraints): Adjust.
  38
  39 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  40
  41         * config/rs6000/constraints.md (define_register_constraint "wk"):
  42         Delete.
  43         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  44         RS6000_CONSTRAINT_wk.
  45         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  46         (rs6000_init_hard_regno_mode_ok): Adjust.
  47         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
  48         * doc/md.texi (Machine Constraints): Adjust.
  49
  50 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  51
  52         * config/rs6000/constraints.md (define_register_constraint "wj"):
  53         Delete.
  54         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  55         RS6000_CONSTRAINT_wj.
  56         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  57         (rs6000_init_hard_regno_mode_ok): Adjust.
  58         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
  59         (VS_64dm): Delete.
  60         * config/rs6000/vsx.md: Ditto.
  61         * doc/md.texi (Machine Constraints): Adjust.
  62
  63 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
  64
  65         * config/rs6000/constraints.md (define_register_constraint "wh"):
  66         Delete.
  67         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
  68         RS6000_CONSTRAINT_wh.
  69         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
  70         (rs6000_init_hard_regno_mode_ok): Adjust.
  71         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
  72         * doc/md.texi (Machine Constraints): Adjust.
  73
  74 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
  75
  76         PR target/90547
  77         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
  78         Avoid calling gen_lowpart with CONST operand.
  79
  80 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
  81
  82         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
  83         field template_last_to_copy.
  84         (ssa_create_duplicates): Set it, and use it.  Attempt to
  85         preserve more debug stmts.
  86
  87 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
  88
  89         * config/i386/sse.md (VF1_AVX2): New mode iterator.
  90         (signbit<mode>2): New expander
  91
  92 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
  93
  94         PR bootstrap/87338
  95         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
  96         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
  97
  98 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
  99
 100         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 101         %ebx and %ecx bafore calling cpuid with leaf 1 or
 102         non-constant leaf argument.
 103
 104 2019-05-21  Alan Modra  <amodra@gmail.com>
 105
 106         PR target/90545
 107         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 108         power9 direct move cost.
 109         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 110         Correct comments and rename functions to suit parameters.
 111
 112 2019-05-21  Richard Biener  <rguenther@suse.de>
 113
 114         PR middle-end/90510
 115         * fold-const.c (fold_read_from_vector): New function.
 116         * fold-const.h (fold_read_from_vector): Declare.
 117         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 118         single-element insert permutations.  Canonicalize selector
 119         further and fix issue with last commit.
 120
 121 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 122
 123         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 124         parameter with default value false to declaration.
 125         (split_edges_for_insertion): New inline function.  Wrapper for
 126         split_critical_edges with for_edge_insertion_p = true.
 127         * tree-cfg.c (split_critical_edges): Don't split non-critical
 128         edges if for_edge_insertion_p is false.  Fix whitespace.
 129         * tree-ssa-pre.c (pass_pre::execute): Call
 130         split_edges_for_insertion instead of split_critical_edges.
 131         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 132         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 133         (pass_data_sink_code): Update function name in the comment.
 134
 135 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 136
 137         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 138         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 139         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 140         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 141         positives.
 142
 143 2019-05-21  Martin Liska  <mliska@suse.cz>
 144
 145         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 146         an extra newline.
 147         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 148         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 149         vec_lvsr.
 150         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 151         Quote a C type.
 152         (rs6000_function_arg): Likewise.
 153         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 154         (rs6000_expand_ternop_builtin): Use interval syntax.
 155         (get_element_number): Likewise.
 156         (altivec_expand_builtin): Likewise.
 157         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 158
 159 Fix test-suite.
 160
 161 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 162
 163         PR c++/59813
 164         PR target/90418
 165         * function.h (struct function): Add calls_eh_return member.
 166         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 167         gimplifying __builtin_eh_return call.
 168         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 169         to cfun.
 170         (expand_call_inline): Or in src_cfun->calls_eh_return into
 171         dst_cfun->calls_eh_return.
 172         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 173         cfun->calls_eh_return.
 174         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 175         * lto-streamer-out.c (output_struct_function_base): Write
 176         calls_eh_return.
 177
 178 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 179
 180         PR rtl-optimization/43147
 181         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 182         IX86_BUILTIN_SHUFPD.
 183
 184 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 185
 186         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 187         (refs_may_alias_p_1): ... here; update stats.
 188         (refs_may_alias_p): Do not update stats here.
 189
 190 2019-05-20  Richard Biener  <rguenther@suse.de>
 191
 192         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 193         doesn't produce pointers.
 194         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 195         the first operand points to.
 196
 197 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 198
 199         * tree-ssa-alias.c (compare_sizes): New function.
 200         (sompare_type_sizes): New function
 201         (aliasing_component_refs_p): Use it.
 202         (indirect_ref_may_alias_decl_p): Likewise.
 203
 204 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 205
 206         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 207
 208 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 209
 210         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 211         (LIBLSAN_EARLY_SPEC): Likewise.
 212         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 213
 214 2019-05-20  Martin Liska  <mliska@suse.cz>
 215
 216         * config/i386/i386.c (ix86_libc_has_fast_function):
 217         Add ATTRIBUTE_UNUSED for the argument.
 218
 219 2019-05-20  Richard Biener  <rguenther@suse.de>
 220
 221         * gimple-match-head.c: Include vec-perm-indices.h.
 222         * generic-match-head.c: Likewise.
 223         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 224         is included.
 225         * fold-const.c (fold_vec_perm): Export.
 226         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 227         (match.pd): ...here.
 228
 229 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 230
 231         * cfgloop.h (struct loop): Add simdlen member.
 232         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 233         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 234         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
 235         as new argument to autovectorize_vector_sizes target hook.  If
 236         loop->simdlen, pick up vector size where the vectorization factor
 237         is equal to loop->simd, and if there is none, fall back to the first
 238         successful one.
 239         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
 240         caller.
 241         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 242         * omp-general.c (omp_max_vf): Likewise.
 243         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
 244         * tree-vect-slp.c (vect_slp_bb): Likewise.
 245         * target.def (autovectorize_vector_sizes): Add ALL argument and
 246         document it.
 247         * doc/tm.texi: Adjust documentation.
 248         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
 249         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
 250         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
 251         bool argument.
 252         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
 253         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
 254         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
 255         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
 256         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
 257         preferred vector size is not 512-bit or 256-bit, just put those
 258         unpreferred ones last.
 259
 260 2019-05-20  Martin Liska  <mliska@suse.cz>
 261
 262         * targhooks.c (default_libc_has_fast_function): New function.
 263         * targhooks.h (default_libc_has_fast_function): Likewise.
 264
 265 2019-05-20  Martin Liska  <mliska@suse.cz>
 266
 267         PR middle-end/90263
 268         * builtins.c (expand_builtin_memory_copy_args): When having a
 269         target with fast mempcpy implementation do now use memcpy.
 270         * config/i386/i386.c (ix86_libc_has_fast_function): New.
 271         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
 272         * doc/tm.texi: Likewise.
 273         * doc/tm.texi.in: Likewise.
 274         * target.def:
 275         * expr.c (emit_block_move_hints): Add 2 new arguments.
 276         * expr.h (emit_block_move_hints): Bail out when libcall
 277         to memcpy would be used.
 278
 279 2019-05-20  Martin Liska  <mliska@suse.cz>
 280
 281         * profile-count.c: Add vertical spacing in order
 282         to separate functions.
 283         * profile-count.h: Likewise.
 284
 285 2019-05-20  Martin Liska  <mliska@suse.cz>
 286
 287         * profile-count.h: Do not use full qualified
 288         names if possible.
 289         * profile-count.c (profile_count::to_frequency): Likewise.
 290
 291 2019-05-20  Martin Liska  <mliska@suse.cz>
 292
 293         * profile-count.h (enum profile_quality): Use capital letters
 294         for enum value names.  Use the adjusted names.
 295         * profile-count.c: Use the adjusted names.
 296
 297 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 298
 299         * config/rs6000/constraints.md (define_register_constraint "wH"):
 300         Delete.
 301         (define_register_constraint "wI"): Delete.
 302         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 303         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
 304         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 305         (rs6000_init_hard_regno_mode_ok): Adjust.
 306         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
 307         resp. "d", or with "wa" as appropriate, all with "p8v".
 308         * config/rs6000/vsx.md: Ditto.
 309         * doc/md.texi (Machine Constraints): Adjust.
 310
 311 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 312
 313         * config/rs6000/constraints.md (define_register_constraint "wy"):
 314         Delete.
 315         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 316         RS6000_CONSTRAINT_wy.
 317         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 318         (rs6000_init_hard_regno_mode_ok): Adjust.
 319         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
 320         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
 321         (define_mode_attr Fisa): New.
 322         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
 323         * doc/md.texi (Machine Constraints): Adjust.
 324
 325 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 326
 327         * config/rs6000/constraints.md (define_register_constraint "wu"):
 328         Delete.
 329         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 330         RS6000_CONSTRAINT_wu.
 331         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 332         (rs6000_init_hard_regno_mode_ok): Adjust.
 333         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
 334         both with "p8v".
 335         (define_mode_attr Fa): Delete.
 336         * config/rs6000/vsx.md: Ditto.
 337         * doc/md.texi (Machine Constraints): Adjust.
 338
 339 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 340
 341         * config/rs6000/constraints.md (define_register_constraint "wJ"):
 342         Delete.
 343         (define_register_constraint "wK"): Delete.
 344         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 345         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
 346         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 347         (rs6000_init_hard_regno_mode_ok): Adjust.
 348         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
 349         Replace "wK" constraint by "wH" with "p9v".
 350         * config/rs6000/vsx.md: Ditto.
 351         * doc/md.texi (Machine Constraints): Adjust.
 352
 353 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 354
 355         * config/rs6000/constraints.md (define_register_constraint "wb"):
 356         Delete.
 357         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 358         RS6000_CONSTRAINT_wb.
 359         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 360         (rs6000_init_hard_regno_mode_ok): Adjust.
 361         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
 362         * config/rs6000/vsx.md: Ditto.
 363         * doc/md.texi (Machine Constraints): Adjust.
 364
 365 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 366
 367         * config/rs6000/constraints.md (define_register_constraint "wo"):
 368         Delete.
 369         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 370         RS6000_CONSTRAINT_wo.
 371         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 372         (rs6000_init_hard_regno_mode_ok): Adjust.
 373         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
 374         * config/rs6000/altivec.md: Ditto.
 375         * doc/md.texi (Machine Constraints): Adjust.
 376
 377 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 378
 379         * config/darwin-c.c (darwin_register_objc_includes): Do not
 380         prepend the sysroot when building gnu-runtime header search
 381         paths.
 382
 383 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 384
 385         * config/darwin.c (darwin_file_end): Use switch_to_section ()
 386         instead of direct output of the asm.
 387
 388 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 389
 390         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
 391         argument to be type bool (was int before).
 392         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
 393         at first use.  Use type bool for some variables.  Fix a theoretical
 394         eh_return bug for svr4.
 395
 396 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 397
 398         * config/rs6000/rs6000.md (isa): New attribute.
 399         (enabled): New attribute.
 400
 401 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
 402
 403         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
 404         assemble_start_function and assemble_end_function.
 405
 406 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 407
 408         PR middle-end/89433
 409         * omp-general.c (oacc_verify_routine_clauses): Change formal
 410         parameters.  Add checking if already marked with an OpenACC
 411         'routine' directive.  Adjust all users.
 412
 413         PR middle-end/89433
 414         * omp-general.c (oacc_build_routine_dims): Move some of its
 415         processing into...
 416         (oacc_verify_routine_clauses): ... this new function.
 417         * omp-general.h (oacc_verify_routine_clauses): New prototype.
 418
 419 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 420
 421         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
 422         formating of picbase labels to match other ports.
 423
 424 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 425
 426         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
 427         in the generated code.
 428
 429 2019-05-16  Martin Sebor  <msebor@redhat.com>
 430
 431         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
 432         identifiers, keywords, operators, and types in diagnostics.  Correct
 433         quoting, spelling, and sentence capitalization issues.
 434         (expand_builtin_atomic_is_lock_free): Same.
 435         (fold_builtin_next_arg): Same.
 436         * cfgexpand.c (expand_one_var): Same.
 437         (tree_conflicts_with_clobbers_p): Same.
 438         (expand_asm_stmt): Same.
 439         (verify_loop_structure): Same.
 440         * cgraphunit.c (process_function_and_variable_attributes): Same.
 441         * collect-utils.c (collect_execute): Same.
 442         * collect2.c (maybe_run_lto_and_relink): Same.
 443         (is_lto_object_file): Same.
 444         (scan_prog_file): Same.
 445         * convert.c (convert_to_real_1): Same.
 446         * dwarf2out.c (dwarf2out_begin_prologue): Same.
 447         * except.c (verify_eh_tree): Same.
 448         * gcc.c (execute): Same.
 449         (eval_spec_function): Same.
 450         (run_attempt): Same.
 451         (driver::set_up_specs): Same.
 452         (compare_debug_auxbase_opt_spec_function): Same.
 453         * gcov-tool.c (unlink_gcda_file): Same.
 454         (do_merge): Same.
 455         (do_rewrite): Same.
 456         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
 457         * gimplify.c (gimplify_asm_expr): Same.
 458         (gimplify_adjust_omp_clauses): Same.
 459         * hsa-gen.c (gen_hsa_addr_insns): Same.
 460         (gen_hsa_insns_for_load): Same.
 461         (gen_hsa_cmp_insn_from_gimple): Same.
 462         (gen_hsa_insns_for_operation_assignment): Same.
 463         (gen_get_level): Same.
 464         (gen_hsa_alloca): Same.
 465         (omp_simple_builtin::generate): Same.
 466         (gen_hsa_atomic_for_builtin): Same.
 467         (gen_hsa_insns_for_call): Same.
 468         * input.c (dump_location_info): Same.
 469         * ipa-devirt.c (compare_virtual_tables): Same.
 470         * ira.c (ira_setup_eliminable_regset): Same.
 471         * lra-assigns.c (lra_assign): Same.
 472         * lra-constraints.c (lra_constraints): Same.
 473         * lto-streamer-in.c (lto_input_mode_table): Same.
 474         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
 475         (merge_and_complain): Same.
 476         (compile_offload_image): Same.
 477         (compile_images_for_offload_targets): Same.
 478         (debug_objcopy): Same.
 479         (run_gcc): Same.
 480         (main): Same.
 481         * opts.c (print_specific_help): Same.
 482         (parse_no_sanitize_attribute): Same.
 483         (print_help): Same.
 484         (handle_param): Same.
 485         * plugin.c (add_new_plugin): Same.
 486         (parse_plugin_arg_opt): Same.
 487         (try_init_one_plugin): Same.
 488         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
 489         operators, and types in diagnostics.  Correct quoting and spelling
 490         issues.
 491         * read-rtl-function.c (parse_edge_flag_token): Same.
 492         (function_reader::parse_enum_value): Same.
 493         * reg-stack.c (check_asm_stack_operands): Same.
 494         * regcprop.c (validate_value_data): Same.
 495         * sched-rgn.c (make_pass_sched_fusion): Same.
 496         * stmt.c (check_unique_operand_names): Same.
 497         * targhooks.c (default_target_option_pragma_parse): Same.
 498         * tlink.c (recompile_files): Same.
 499         * toplev.c (process_options): Same.
 500         (do_compile): Same.
 501         * trans-mem.c (diagnose_tm_1): Same.
 502         (ipa_tm_scan_irr_block): Same.
 503         (ipa_tm_diagnose_transaction): Same.
 504         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
 505         format a tree code name in a diagnostic.
 506         (verify_types_in_gimple_min_lval): Same.
 507         (verify_types_in_gimple_reference): Same.
 508         (verify_gimple_call): Same.
 509         (verify_gimple_assign_unary): Same.
 510         (verify_gimple_assign_binary): Same.
 511         (verify_gimple_assign_ternary): Same.
 512         (verify_gimple_assign_single): Same.
 513         (verify_gimple_switch): Same.
 514         (verify_gimple_label): Same.
 515         (verify_gimple_phi): Same.
 516         (verify_gimple_in_seq): Same.
 517         (verify_eh_throw_stmt_node): Same.
 518         (collect_subblocks): Same.
 519         (gimple_verify_flow_info): Same.
 520         (do_warn_unused_result): Same.
 521         * tree-inline.c (expand_call_inline): Same.
 522         * tree-into-ssa.c (update_ssa): Same.
 523         * tree.c (tree_int_cst_elt_check_failed): Same.
 524         (tree_vec_elt_check_failed): Same.
 525         (omp_clause_operand_check_failed): Same.
 526         (verify_type_variant): Same.
 527         (verify_type): Same.
 528         * value-prof.c (verify_histograms): Same.
 529         * varasm.c (assemble_start_function): Same.
 530
 531 2019-05-16  Martin Sebor  <msebor@redhat.com>
 532
 533         * config/i386/i386-expand.c (get_element_number): Quote keywords
 534         and other internal names in diagnostics.  Adjust other diagnostic
 535         formatting issues noted by -Wformat-diag.
 536         * config/i386/i386-features.c
 537         (ix86_mangle_function_version_assembler_name): Same.
 538         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
 539         * config/i386/i386.c (ix86_function_type_abi): Same.
 540         (ix86_function_ms_hook_prologue): Same.
 541         (classify_argument): Same.
 542         (ix86_expand_prologue): Same.
 543         (ix86_md_asm_adjust): Same.
 544         (ix86_memmodel_check): Same.
 545
 546 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
 547
 548         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
 549         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
 550         and fpxx modes.
 551
 552 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
 553
 554         PR target/90497
 555         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
 556         intrinsics without SSE/SSE2/SSSE3.
 557         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
 558         check.
 559         (*mmx_uavgv8qi3): Likewise.
 560
 561 2019-05-17  Richard Biener  <rguenther@suse.de>
 562
 563         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
 564         VEC_PERM_EXPR as __VEC_PERM with -gimple.
 565
 566 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
 567
 568         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
 569         vec_sldw insn pattern.
 570
 571 2019-05-17  Richard Biener  <rguenther@suse.de>
 572
 573         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
 574
 575 2019-05-17  Martin Liska  <mliska@suse.cz>
 576
 577         PR driver/90496
 578         * toplev.c (output_stack_usage): With LTO and sanitizer it
 579         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
 580         has no file location.
 581
 582 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 583
 584         PR c++/90484
 585         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
 586         sz0 is equal to sz1, instead return false in that case.
 587
 588         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
 589         has non-constant expression, force sctx.lane and use two
 590         argument IFN_GOMP_SIMD_LANE instead of single argument.
 591         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
 592         two argument IFN_GOMP_SIMD_LANE without lhs.
 593         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
 594         member.
 595         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
 596         Define.
 597         (LOOP_REQUIRES_VERSIONING): Or in
 598         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
 599         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 600         simd_if_cond.
 601         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
 602         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
 603         from simd if clause if needed.
 604
 605 2019-05-16  Richard Biener  <rguenther@suse.de>
 606
 607         * tree-affine.c (expr_to_aff_combination): New function split
 608         out from...
 609         (tree_to_aff_combination): ... here.
 610         (aff_combination_expand): Avoid building a GENERIC tree.
 611
 612 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
 613
 614         * cgraphunit.c (cgraph_node::expand_thunk): Remove
 615         assemble_start_function and assemble_end_function calls.
 616         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
 617         assemble_start_function and assemble_end_function.
 618         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
 619         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
 620         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
 621         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
 622         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
 623         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
 624         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
 625         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
 626         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 627         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 628         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 629         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
 630         Likewise.
 631         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 632         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
 633         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
 634         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
 635         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 636         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 637         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
 638         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
 639         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 640         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
 641         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 642         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 643         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
 644         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
 645         Likewise.
 646         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 647         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 648         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
 649
 650 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
 651
 652         * tree-ssa-alias.c (alias_stats): Add
 653         aliasing_component_refs_p_may_alias and
 654         aliasing_component_refs_p_no_alias.
 655         (dump_alias_stats): Print aliasing_component_refs_p stats.
 656         (aliasing_component_refs_p): Update stats.
 657
 658 2019-05-16  Martin Liska  <mliska@suse.cz>
 659
 660         PR lto/90500
 661         * multiple_target.c (expand_target_clones): Do not allow
 662         target_clones being used with a symbol that is an alias.
 663
 664 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
 665
 666         PR tree-optimization/90394
 667         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
 668         positives rather than ICE for cases where (code2 == NE_EXPR
 669         && code1 == BIT_AND_EXPR).
 670
 671 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 672
 673         PR fortran/90329
 674         * tree-core.h (struct tree_decl_common): Document
 675         decl_nonshareable_flag for PARM_DECLs.
 676         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
 677         * calls.c (expand_call): Don't try tail call if caller
 678         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
 679         passed on the stack and callee needs to pass any arguments on the
 680         stack.
 681         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
 682         else if instead of series of mutually exclusive ifs.  Handle
 683         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
 684         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
 685
 686         * lto-streamer.h (LTO_major_version): Bump to 9.
 687
 688 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
 689
 690         PR tree-optimization/90106
 691         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
 692         new parameter as new internal function call, also move it to new
 693         basic block.
 694         (use_internal_fn): Pass internal function call to
 695         shrink_wrap_one_built_in_call_with_conds.
 696
 697 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
 698
 699         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
 700         max_vf to 1.
 701         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
 702         safelen_int and set loop->dont_vectorize.
 703
 704 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 705
 706         PR target/89021
 707         * config/i386/i386-builtin.def: Enable MMX intrinsics with
 708         SSE/SSE2/SSSE3.
 709         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
 710         Likewise.
 711         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
 712         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
 713         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
 714         is defined.
 715
 716 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 717
 718         PR target/89021
 719         * config/i386/mmx.md (*vec_dupv2sf): Changed to
 720         define_insn_and_split to support SSE emulation.
 721         (*vec_extractv2sf_0): Likewise.
 722         (*vec_extractv2sf_1): Likewise.
 723         (*vec_extractv2si_0): Likewise.
 724         (*vec_extractv2si_1): Likewise.
 725         (*vec_extractv2si_zext_mem): Likewise.
 726         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
 727         (vec_extractv2sf_1 splitter): Likewise.
 728         (vec_extractv2sfsf): Likewise.
 729         (vec_setv2si): Likewise.
 730         (vec_extractv2si_1 splitter): Likewise.
 731         (vec_extractv2sisi): Likewise.
 732         (vec_setv4hi): Likewise.
 733         (vec_extractv4hihi): Likewise.
 734         (vec_setv8qi): Likewise.
 735         (vec_extractv8qiqi): Likewise.
 736         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 737         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
 738         (vec_extractv2sisi): Likewise.
 739         (vec_extractv4hihi): Likewise.
 740         (vec_extractv8qiqi): Likewise.
 741         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 742         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
 743         (vec_initv2sisi): Likewise.
 744         (vec_initv4hihi): Likewise.
 745         (vec_initv8qiqi): Likewise.
 746         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
 747         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
 748         (vec_setv4hi): Likewise.
 749         (vec_setv8qi): Likewise.
 750
 751 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 752
 753         PR target/89021
 754         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
 755         TARGET_MMX_WITH_SSE.
 756         (MMXMODE:*mov<mode>_internal): Likewise.
 757         (MMXMODE:movmisalign<mode>): Likewise.
 758
 759 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
 760
 761         PR target/89021
 762         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
 763         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
 764         (sse2_cvtpd2pi): Ditto.
 765         (sse2_cvttpd2pi): Ditto.
 766         (*vec_concatv2sf_sse4_1): Ditto.
 767         (*vec_concatv2sf_sse): Ditto.
 768         (*vec_concatv2si_sse4_1): Ditto.
 769         (*vec_concatv2si): Ditto.
 770         (*vec_concatv4si_0): Ditto.
 771         (*vec_concatv2di_0): Ditto.
 772
 773 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 774
 775         PR target/89021
 776         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
 777
 778 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 779
 780         PR target/89021
 781         * config/i386/sse.md (ssse3_palignrdi): Changed to
 782         define_insn_and_split to support SSE emulation.
 783
 784 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 785
 786         PR target/89021
 787         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
 788
 789 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 790
 791         PR target/89021
 792         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
 793         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 794         SSE emulation.
 795
 796 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 797
 798         PR target/89021
 799         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
 800         or TARGET_MMX_WITH_SSE.
 801         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
 802
 803 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 804
 805         PR target/89021
 806         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
 807
 808 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 809
 810         PR target/89021
 811         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
 812         Changed to define_insn_and_split to support SSE emulation.
 813
 814 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 815
 816         PR target/89021
 817         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
 818         Changed to define_insn_and_split to support SSE emulation.
 819
 820 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 821
 822         PR target/89021
 823         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
 824         (*mmx_<emms>): This.
 825         (mmx_<emms>): New expander.
 826
 827 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 828
 829         PR target/89021
 830         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
 831         support.
 832         (*sse2_umulv1siv1di3): Add SSE2 emulation.
 833
 834 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 835
 836         PR target/89021
 837         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
 838
 839 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 840
 841         PR target/89021
 842         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
 843
 844 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 845
 846         PR target/89021
 847         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
 848         TARGET_MMX_WITH_SSE.
 849         (*mmx_uavgv4hi3): Add SSE emulation.
 850
 851 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 852
 853         PR target/89021
 854         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
 855         and TARGET_MMX_WITH_SSE.
 856         (*mmx_uavgv8qi3): Add SSE emulation.
 857
 858 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 859
 860         PR target/89021
 861         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
 862         maskmovdqu for __MMX_WITH_SSE__.
 863
 864 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 865
 866         PR target/89021
 867         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
 868         TARGET_MMX and TARGET_MMX_WITH_SSE.
 869         (*mmx_umulv4hi3_highpart): Add SSE emulation.
 870
 871 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 872
 873         PR target/89021
 874         * config/i386/mmx.md (mmx_pmovmskb): Changed to
 875         define_insn_and_split to support SSE emulation.
 876
 877 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 878
 879         PR target/89021
 880         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
 881         and TARGET_MMX_WITH_SSE.
 882         (mmx_<code>v8qi3): Likewise.
 883         (smaxmin:<code>v4hi3): New.
 884         (umaxmin:<code>v8qi3): Likewise.
 885         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
 886         (umaxmin:*mmx_<code>v8qi3): Likewise.
 887
 888 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 889
 890         PR target/89021
 891         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
 892         TARGET_MMX_WITH_SSE.
 893         (*mmx_pinsrw): Add SSE emulation.
 894
 895 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 896
 897         PR target/89021
 898         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
 899
 900 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 901
 902         PR target/89021
 903         * config/i386/sse.md (sse_cvtpi2ps): Changed to
 904         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 905         SSE emulation.
 906
 907 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 908
 909         PR target/89021
 910         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
 911         (sse_cvttps2pi): Likewise.
 912
 913 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 914
 915         PR target/89021
 916         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
 917         TARGET_MMX_WITH_SSE.
 918         (mmx_pshufw_1): Add SSE emulation.
 919         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
 920         TARGET_MMX_WITH_SSE to support SSE emulation.
 921
 922 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 923
 924         PR target/89021
 925         * config/i386/constraints.md (Yw): New constraint.
 926         * config/i386/mmx.md (*vec_dupv2si): Changed to
 927         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
 928         support SSE emulation.
 929
 930 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 931
 932         PR target/89021
 933         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
 934         TARGET_MMX_WITH_SSE.
 935         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
 936         support.
 937         (mmx_gt<mode>3): Likewise.
 938
 939 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 940
 941         PR target/89021
 942         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
 943         TARGET_MMX_WITH_SSE.  Add SSE support.
 944
 945 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 946
 947         PR target/89021
 948         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
 949         TARGET_MMX_WITH_SSE.
 950         (any_logic:<code><mode>3): New.
 951         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
 952         Add SSE support.
 953
 954 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 955
 956         PR target/89021
 957         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
 958         TARGET_MMX_WITH_SSE.  Add SSE emulation.
 959         (mmx_<shift_insn><mode>3): Likewise.
 960         (ashr<mode>3): New.
 961         (<shift_insn><mode>3): Likewise.
 962
 963 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 964
 965         PR target/89021
 966         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
 967         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
 968
 969 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 970
 971         PR target/89021
 972         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
 973         TARGET_MMX_WITH_SSE.
 974         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
 975         SSE support.
 976
 977 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 978
 979         PR target/89021
 980         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
 981         TARGET_MMX_WITH_SSE.
 982         (mulv4hi3): New.
 983         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
 984         support.
 985
 986 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 987
 988         PR target/89021
 989         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
 990         (plusminus:mmx_<plusminus_insn><mode>3): Check
 991         TARGET_MMX_WITH_SSE.
 992         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
 993         (<plusminus_insn><mode>3): New.
 994         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
 995         (*mmx_<plusminus_insn><mode>3): Likewise.
 996
 997 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 998
 999         PR target/89021
1000         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1001         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1002         prototype.
1003         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1004         define_insn_and_split to support SSE emulation.
1005         (mmx_punpcklbw): Likewise.
1006         (mmx_punpckhwd): Likewise.
1007         (mmx_punpcklwd): Likewise.
1008         (mmx_punpckhdq): Likewise.
1009         (mmx_punpckldq): Likewise.
1010
1011 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1012             Uros Bizjak  <ubizjak@gmail.com>
1013
1014         PR target/89021
1015         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1016         New function.
1017         (ix86_split_mmx_pack): Likewise.
1018         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1019         New prototype.
1020         (ix86_split_mmx_pack): Likewise.
1021         * config/i386/i386.md (mmx_isa): New.
1022         (enabled): Also check mmx_isa.
1023         * config/i386/mmx.md (any_s_truncate): New code iterator.
1024         (s_trunsuffix): New code attr.
1025         (mmx_packsswb): Removed.
1026         (mmx_packssdw): Likewise.
1027         (mmx_packuswb): Likewise.
1028         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1029         MMX packsswb/packuswb with SSE2.
1030         (mmx_packssdw): Likewise.
1031         * config/i386/predicates.md (register_mmxmem_operand): New.
1032
1033 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1034
1035         PR target/89021
1036         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1037         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1038         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1039         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1040         (ix86_vector_mode_supported_p): Likewise.
1041         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1042
1043 2019-05-15  Martin Liska  <mliska@suse.cz>
1044
1045         PR middle-end/90478
1046         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1047         Check for overflow.
1048
1049 2019-05-15  Richard Biener  <rguenther@suse.de>
1050
1051         * tree-into-ssa.c (pass_build_ssa::execute): Run
1052         update_address_taken before going into SSA.
1053
1054 2019-05-15  Richard Biener  <rguenther@suse.de>
1055
1056         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1057         as __BIT_FIELD_REF with type with -gimple.
1058
1059 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1060
1061         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1062         semantically equivalent branches (left over after prior refactorings).
1063
1064 2019-05-15  Richard Biener  <rguenther@suse.de>
1065
1066         PR tree-optimization/88828
1067         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1068         bogus check.
1069
1070 2019-05-14  Richard Biener  <rguenther@suse.de>
1071
1072         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1073         as __VIEW_CONVERT with -gimple.
1074
1075 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1076
1077         PR target/82920
1078         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1079         Darwin.
1080
1081 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1082
1083         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1084         define_split to become a define_insn_and_split.
1085
1086 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1087
1088         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1089         arguments.
1090         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1091         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1092         (sibcall_epilogue): Adjust.
1093         (epilogue): Adjust.
1094
1095 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1096
1097         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1098         to unsupported ones.
1099         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1100         * config.host: Likewise.
1101         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1102         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1103         __svr4__]: Remove "brand" fallback.
1104         [!KSTAT_DATA_STRING]: Remove.
1105         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1106         to *-*-solaris2*.
1107         (comdat_group): Likewise.
1108         (set_have_as_tls): Likewise.
1109         (gcc_cv_target_dl_iterate_phdr): Likewise.
1110         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1111         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1112         * configure: Regenerate.
1113         * doc/install.texi: Simplify Solaris target triplets.
1114         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1115         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1116         Remove Solaris 10 references.
1117         Remove obsolete Solaris bug reference.
1118         (Specific, sparc-sun-solaris2.10): Remove.
1119
1120 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1121
1122         * config/i386/i386.md (any_div): New code iterator.
1123         (paired_mod): New code attribute.
1124         (sgnprefix): Handle DIV and UDIV RTXes.
1125         (u): Ditto.
1126         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1127         and udivmod<mode>4 patterns using any_div code iterator.
1128         (divmod splitters): Macroize splitters using any_div code iterator.
1129         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1130         (*udivmodsi4_pow2_zext_2): Ditto.
1131         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1132         and *udivmod<mode>4_noext patterns using any_div code iterator.
1133         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1134         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1135         patterns using any_div code iterator.
1136         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1137         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1138         patterns using any_div code iterator.
1139         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1140         udivmodhiqi3 patterns using any_extend code iterator.
1141
1142 2019-05-14  Richard Biener  <rguenther@suse.de>
1143             H.J. Lu  <hongjiu.lu@intel.com>
1144
1145         PR tree-optimization/88828
1146         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1147         permuting in a single non-constant element not extracted
1148         from a vector.
1149
1150 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1151
1152         * internal-fn.def (SIGNBIT): New.
1153         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1154         defined.
1155         (signbitv4sf2): Likewise.
1156
1157 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1158
1159         PR target/90357
1160         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1161         next insn when the SRC reg is dead.
1162
1163 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1164
1165         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1166         (alloc_cand_and_find_basis): Ditto.
1167         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1168         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1169         (create_add_imm_cand, slsr_process_cast): Ditto.
1170         (slsr_process_copy, replace_mult_candidate): Ditto.
1171         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1172         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1173         (pass_strength_reduction::execute): Init the first NULL element.
1174
1175 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1176
1177         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1178         (run_attempt): Reformat line break.
1179
1180 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1181
1182         PR target/90418
1183         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1184         data registers in sibcall epilogues.
1185         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1186
1187 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1188
1189         PR target/89221
1190         * configure.ac (--enable-frame-pointer):
1191         Disable by default for cygwin and mingw.
1192         * configure: Regenerate.
1193
1194 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1195
1196         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1197         piece of code.
1198         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1199         (gen_member_die): Move abstract origin check earlier.  Only VARs
1200         can be static_inline_p.  Simplify splicing control flow.
1201
1202 2019-05-13  Richard Biener  <rguenther@suse.de>
1203
1204         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1205         VIEW_CONVERT_EXPR.
1206         (vect_build_slp_tree_1): Likewise.
1207
1208 2019-05-13  Richard Biener  <rguenther@suse.de>
1209
1210         PR tree-optimization/90402
1211         * tree-if-conv.c (tree_if_conversion): Value number only
1212         the loop body by making the latch an exit of the region
1213         as well.
1214         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1215         processing PHIs.
1216         (do_rpo_vn): Deal with multiple edges into the entry block
1217         that are not backedges inside the region by skipping PHIs
1218         of the entry block.
1219
1220 2019-05-13  Richard Biener  <rguenther@suse.de>
1221
1222         PR tree-optimization/90316
1223         * tree-ssa-pre.c (insert_aux): Fold into ...
1224         (insert): ... this function.  Use a RPO walk to reduce the
1225         number of required iterations.
1226
1227 2019-05-13  Martin Liska  <mliska@suse.cz>
1228
1229         PR tree-optimization/90416
1230         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1231         string instead of passing the second part as va_arg argument.
1232
1233 2019-05-13  Martin Liska  <mliska@suse.cz>
1234
1235         PR gcov-profile/90380
1236         * gcov.c (handle_cycle): Do not support zero cycle count,
1237         it should not be possible.
1238         (path_contains_zero_cycle_arc): New function.
1239         (circuit): Ignore zero cycle arc counts.
1240
1241 2019-05-13  Martin Liska  <mliska@suse.cz>
1242
1243         PR gcov-profile/90380
1244         * gcov.c (enum loop_type): Remove the enum and
1245         the operator.
1246         (handle_cycle): Assert that we should not reach
1247         a negative count.
1248         (circuit): Use loop_found instead of a tri-state loop_type.
1249         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1250         happen.
1251
1252 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1253
1254         PR target/82920
1255         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1256         (ix86_output_indirect_branch_via_reg): Use output mechanism
1257         accounting for __USER_LABEL_PREFIX__.
1258         (ix86_output_indirect_branch_via_push): Likewise.
1259         (ix86_output_function_return): Likewise.
1260         (ix86_output_indirect_function_return): Likewise.
1261
1262 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1263
1264         * doc/md.texi: Document use of code attributes in rtx patterns.
1265         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1266         * read-rtl.c (find_code): Split out search loops into...
1267         (maybe_find_code): ...this new function.
1268         (check_code_iterator): Make the error message more informative.
1269         (check_code_attribute): New function.
1270         (rtx_reader::rtx_alloc_for_name): Likewise.
1271         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1272         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1273         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1274         <max_opp> directly as an rtx code instead of via a match_operator.
1275         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1276         (<su>abd<mode>_3): Update accordingly.
1277
1278 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1279
1280         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1281         is given, print the state of the EH "save world" computation for
1282         Darwin.
1283
1284 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1285
1286         PR c++/59813
1287         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1288         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1289
1290 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1291
1292         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1293         Use pinsrd for TARGET_SSE4_1.
1294         * config/i386/sse.md (movdi_to_sse): Ditto.
1295
1296 2019-05-10  Richard Biener  <rguenther@suse.de>
1297
1298         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1299         (do_rpo_vn): Initialize next_value_id.
1300
1301 2019-05-10  Martin Liska  <mliska@suse.cz>
1302
1303         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1304         Fix plural form.
1305
1306 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1307
1308         PR tree-optimization/90385
1309         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1310         arguments of the exit phis.
1311
1312         PR c++/90383
1313         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1314         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1315         id->do_not_fold.
1316         (copy_tree_body_r): Likewise.
1317         (copy_fn): Set id.do_not_fold to true.
1318
1319 2019-05-10  Martin Liska  <mliska@suse.cz>
1320
1321         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1322         Reapply changes from r269790.
1323
1324 2019-05-10  Martin Liska  <mliska@suse.cz>
1325
1326         PR middle-end/90340
1327         * doc/invoke.texi: New params.
1328         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1329         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1330         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1331         Use it.
1332         * tree-switch-conversion.h (struct jump_table_cluster):
1333         Likewise.
1334
1335 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1336
1337         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1338
1339 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1340
1341         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1342
1343 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1344
1345         PR rtl-optimization/88879
1346         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1347
1348 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1349
1350         PR target/90405
1351         * config/arm/arm.c (callee_saved_reg_p): Move before
1352         thumb_find_work_register.
1353         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1354         thumb_find_work_register.  Only call df_get_live_out once.
1355         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1356         (thumb_find_work_register): Use
1357         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1358         algorithms to locate a spare call clobbered reg.
1359
1360 2019-05-09  Martin Liska  <mliska@suse.cz>
1361
1362         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1363         and MAX_EXPR in GIMPLE FE format.
1364
1365 2019-05-09  Martin Liska  <mliska@suse.cz>
1366
1367         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1368         * gimple-pretty-print.c (dump_gimple_bb_header):
1369         Dump BB count.
1370         (pp_cfg_jump): Dump edge probability.
1371         * profile-count.c (profile_quality_as_string): Simplify
1372         with a static array.
1373         (parse_profile_quality): New function.
1374         (profile_count::dump): Simplify with a static array.
1375         (profile_count::from_gcov_type): Add new argument.
1376         * profile-count.h (parse_profile_quality): Likewise.
1377         * predict.h (set_hot_bb_threshold): New.
1378         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1379         New param.
1380         * predict.c (get_hot_bb_threshold): Set from the new param.
1381         (set_hot_bb_threshold): New.
1382
1383 2019-05-09  Richard Biener  <rguenther@suse.de>
1384
1385         PR tree-optimization/90395
1386         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1387         rewrite vector stores that throw internally.
1388
1389 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1390
1391         * cif-code.def (CHKP): Remove.
1392
1393         PR target/89221
1394         * configure.ac (--enable-frame-pointer): Disable by default for
1395         GNU systems.
1396         * configure: Regenerate.
1397
1398 2019-05-09  Alan Modra  <amodra@gmail.com>
1399
1400         PR target/89271
1401         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1402         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1403         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1404         cost for general <-> vsx when direct moves are available.
1405         Cost union classes at minimal cost for any reg in the class.
1406         Correct calculation for moves between vsx, float, and altivec.
1407         Don't return a low cost for moves between special regs.  Don't
1408         use hard coded register numbers.
1409         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1410         (rs6000_ira_change_pseudo_allocno_class): New function.
1411         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1412         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1413         alternatives.
1414         (movsi_internal1): Don't disparage vector alternatives.
1415         (mov<mode>_internal): Likewise, excepting alternative that
1416         will be split.
1417         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1418         we <- b alternative.
1419
1420 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1421
1422         PR c++/59813
1423         PR tree-optimization/89060
1424         * tree-ssa-live.h (live_vars_map): New typedef.
1425         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1426         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1427         (struct compute_live_vars_data): New type.
1428         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1429         live_vars_at_stmt, destroy_live_vars): New functions.
1430         * tree-tailcall.c: Include tree-ssa-live.h.
1431         (live_vars, live_vars_vec): New global variables.
1432         (find_tail_calls): Perform variable life analysis before punting.
1433         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1434         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1435         member.
1436         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1437         Perform variable life analysis to select variables that really need
1438         clobbers added.
1439         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1440         instead set id->eh_landing_pad_dest and assert it is the same.
1441         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1442
1443 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1444             Richard Earnshaw  <rearnsha@arm.com>
1445
1446         PR target/88167
1447         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1448         function.
1449         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1450         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1451         register if both the epilogue and prologue can use call-clobbered
1452         regs.
1453         (thumb1_unexpanded_epilogue): Use
1454         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1455         picking temporaries for restoring high regs to match that of the
1456         prologue where possible.
1457         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1458         the list of work registers.  Detect if the return address is still live
1459         at the end of the prologue and avoid using it for a work register if so.
1460         If the return address is not live, add LR to the list of pushable regs
1461         after the first pass.
1462
1463 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1464
1465         PR tree-optimization/90078
1466         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1467         (INFTY): Increase the value for infinite cost.
1468         (struct comp_cost): Promote type of members to int64_t.
1469         (infinite_cost): Don't set complexity in initialization.
1470         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1471         overflows to infinite_cost.
1472         (adjust_setup_cost): Promote type of parameter and cost computation
1473         to int64_t.
1474         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1475         int64_t.
1476         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1477         cost computation to int64_t.
1478         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1479         int64_t's format specifier in dump.
1480
1481 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1482
1483         PR tree-optimization/90240
1484         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1485         with respect to scaling factor pre-computed for each basic block.
1486         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1487         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1488         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1489         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1490         live range for array of loop's basic blocks.  Cleanup aux field of
1491         loop's basic blocks.
1492
1493 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1494
1495         PR tree-optimization/90356
1496         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1497
1498 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1499
1500         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
1501         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
1502         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
1503         (ix86_handle_option): Handle -mavx512bf16.
1504         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
1505         to extra_headers.
1506         * config/i386/avx512bf16vlintrin.h: New.
1507         * config/i386/avx512bf16intrin.h: New.
1508         * config/i386/cpuid.h (bit_AVX512BF16): New.
1509         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
1510         * config/i386/i386-builtin-types.def: Add new types.
1511         * config/i386/i386-builtin.def: Add new builtins.
1512         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1513         __AVX512BF16__.
1514         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
1515         (ix86_option_override_internal): Handle BF16.
1516         (ix86_valid_target_attribute_inner_p): Ditto.
1517         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
1518         * config/i386/i386-builtin.c (enum processor_features): Add
1519         F_AVX512BF16.
1520         (static const _isa_names_table isa_names_table): Ditto.
1521         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
1522         (PTA_AVX512BF16): Ditto.
1523         * config/i386/i386.opt: Add -mavx512bf16.
1524         * config/i386/immintrin.h: Include avx512bf16intrin.h
1525         and avx512bf16vlintrin.h.
1526         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
1527         avx512f_cvtneps2bf16_<mode><mask_name>,
1528         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
1529         * config/i386/subst.md (mask_half): Add new subst.
1530         * doc/invoke.texi: Document -mavx512bf16.
1531
1532 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
1533
1534         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
1535         Delete declaration.
1536         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
1537         (rs6000_debug_legitimize_reload_address): Delete.
1538         (rs6000_legitimize_reload_address_ptr): Delete.
1539         (rs6000_option_override_internal): Adjust.
1540         (mem_operand_gpr): Adjust comment.
1541         (legitimate_lo_sum_address_p): Ditto.
1542         (rs6000_legitimize_reload_address): Delete.
1543         (rs6000_debug_legitimize_reload_address): Delete.
1544         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
1545
1546 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1547
1548         PR target/89765
1549         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1550         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
1551         to compute vector element selector for both constant and variable
1552         operands.
1553
1554 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1555
1556         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
1557         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
1558         ashrdi3_cvt using SWI48 mode iterator.
1559
1560 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1561
1562         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
1563         (aarch64_<su>abd<mode>_3): Likewise.
1564         (*aarch64_<su>abd<mode>_3): New define_insn.
1565         (<sur>sad<vsi2qi>): New define_expand.
1566         * config/aarch64/iterators.md: Added MAX_OPP attribute.
1567         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
1568         (build_vect_cond_expr): Likewise.
1569
1570 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1571
1572         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
1573         clobbers outside of accessible_reg_set.
1574         * config/i386/i386.c (ix86_conditional_register_usage):
1575         Disable register sets by clearing corresponding bits in
1576         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
1577         call_used_regs and don't clear corresponding reg_names array members.
1578
1579 2019-05-07  Richard Biener  <rguenther@suse.de>
1580
1581         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
1582         not specified still compute a comp_vectype for invariant
1583         compares.
1584
1585 2019-05-07  Richard Biener  <rguenther@suse.de>
1586
1587         PR tree-optimization/90316
1588         * tree-ssa-pre.c (translate_vuse_through_block): When
1589         same_valid is NULL do not bother to search for a virtual
1590         PHI continuation.
1591         (phi_translate_1): When operands changed we cannot keep
1592         the same value-number so do not bother to ask whether
1593         that's possible from translate_vuse_through_block.
1594
1595 2019-05-07  Martin Liska  <mliska@suse.cz>
1596
1597         * bitmap.c (bitmap_register): Come up with
1598         alloc_descriptor_max_uid and assign it for
1599         a new bitmap.
1600         (register_overhead): Use get_descriptor as
1601         a descriptor.
1602         (release_overhead): New.
1603         (bitmap_elem_to_freelist): Call it.
1604         (bitmap_elt_clear_from): Likewise.
1605         (bitmap_obstack_free): Likewise.
1606         (bitmap_move): Sensitively release memory.
1607         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
1608         (bitmap_initialize): Initialize alloc_descriptor to zero.
1609         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
1610
1611 2019-05-07  Richard Biener  <rguenther@suse.de>
1612
1613         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
1614         we build a SLP node.  Remove max_size and limiting.
1615         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
1616
1617 2019-05-07  Richard Biener  <rguenther@suse.de>
1618
1619         PR tree-optimization/90316
1620         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
1621         limit by reference.
1622         (walk_non_aliased_vuses): Take walking limit argument.
1623         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
1624         walking if it is reached instead of just counting.
1625         (get_continuation_for_phi): Likewise.
1626         (walk_non_aliased_vuses): Likewise, instead of leaving counter
1627         limiting to the callback.
1628         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
1629         (vn_reference_lookup_3): Likewise.
1630         (vn_reference_lookup_pieces): Likewise.
1631         (vn_reference_lookup): Likewise.
1632         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
1633         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
1634         (avail_exprs_stack::lookup_avail_expr): Likewise.
1635
1636 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
1637
1638         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
1639         for comparaible types in the second direction even if first one
1640         hits incomparable type.
1641
1642 2019-05-07  Richard Biener  <rguenther@suse.de>
1643
1644         PR lto/90369
1645         * lto-wrapper.c (debug_objcopy): Use the original filename
1646         including archive offset for the filename used for -save-temps.
1647
1648 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
1649
1650         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
1651         detection.
1652
1653 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1654
1655         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
1656         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
1657         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
1658         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
1659         (FRAME_POINTER_REGNUM): Change numbering.
1660         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
1661         (alt_reg_names): Adjust.
1662         (rs6000_conditional_register_usage): Don't mark hard register 64 as
1663         fixed.
1664         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1665         (DWARF_FRAME_REGISTERS): Delete.
1666         (DWARF2_FRAME_REG_OUT): Fix whitespace.
1667         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1668         Adjust.
1669         (REG_ALLOC_ORDER): Adjust.
1670         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
1671         (REG_CLASS_CONTENTS): Adjust.
1672         (RETURN_ADDR_RTX): Change comment.
1673         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
1674         instead of 67.
1675         (REGISTER_NAMES): Adjust.
1676         (ADDITIONAL_REGISTER_NAMES): Adjust.
1677         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1678
1679 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1680
1681         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
1682         Delete.
1683         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1684         (DWARF_FRAME_REGISTERS): Adjust.
1685         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1686         Adjust.
1687         (REG_ALLOC_ORDER): Adjust.
1688         (enum reg_class): Delete SPR_REGS.
1689         (REG_CLASS_NAMES): Delete SPR_REGS.
1690         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
1691         (REGISTER_NAMES): Adjust.
1692         (ADDITIONAL_REGISTER_NAMES): Adjust.
1693         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1694         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
1695         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
1696         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
1697         (htm_spr_regno): Delete.
1698         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
1699         argument.
1700         (rs6000_dbx_register_number): Adjust.
1701
1702 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1703
1704         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
1705
1706 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1707
1708         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
1709         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
1710
1711 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
1712
1713         PR tree-optimization/88709
1714         PR tree-optimization/90271
1715         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
1716         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
1717         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
1718         variable.
1719         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
1720         of the store merging group is larger than
1721         PARAM_STORE_MERGING_MAX_SIZE parameter.
1722         (split_group): Add bzero_first argument.  If set, always emit first
1723         the first store which must be = {} of the whole area and then for the
1724         rest of the stores consider all zero bytes as paddings.
1725         (imm_store_chain_info::output_merged_store): Check if first store
1726         is = {} of the whole area and if yes, determine which setting of
1727         bzero_first for split_group gives smaller number of stores.  Adjust
1728         split_group callers.
1729         (lhs_valid_for_store_merging_p): Allow decls.
1730         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
1731         no elts.
1732         (pass_store_merging::process_store): Likewise.
1733
1734 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1735
1736         PR target/89424
1737         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
1738         handling of V1TImode.
1739
1740 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
1741
1742         PR target/89221
1743         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
1744         and enable_frame_pointer ...
1745         * configure.ac: ... here.  Update help strings for
1746         --enable-frame-pointer.
1747         * configure: Regenerate.
1748         * config/i386/i386-options.c (ix86_option_override_internal): Remove
1749         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
1750         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
1751         (USE_X86_64_FRAME_POINTER): Ditto.
1752
1753 2019-05-06  Martin Liska  <mliska@suse.cz>
1754
1755         * config.gcc: Append to target_gtfiles and fix indentation.
1756
1757 2019-05-06  Richard Biener  <rguenther@suse.de>
1758
1759         PR tree-optimization/90358
1760         * tree-vect-stmts.c (get_group_load_store_type): Properly
1761         detect unused upper half of load.
1762         (vectorizable_load): Likewise.
1763
1764 2019-05-06  Richard Biener  <rguenther@suse.de>
1765
1766         PR tree-optimization/88828
1767         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
1768         (simplify_vector_constructor): ...here.  Handle constants in
1769         the constructor.
1770
1771 2019-05-06  Richard Biener  <rguenther@suse.de>
1772
1773         PR tree-optimization/90328
1774         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
1775         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
1776         is valid in the loop nest before using it.
1777         (initialize_data_dependence_relation): Adjust.
1778         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
1779         loop as loop-nest to dr_may_alias_p.
1780
1781 2019-05-06  Richard Biener  <rguenther@suse.de>
1782
1783         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
1784
1785 2019-05-06  Richard Biener  <rguenther@suse.de>
1786
1787         PR tree-optimization/90316
1788         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
1789         compute target on demand.
1790         (get_continuation_for_phi): Remove code walking stmts to
1791         get to a target virtual operand which could end up being
1792         quadratic.
1793
1794 2019-05-06  Martin Liska  <mliska@suse.cz>
1795
1796         PR sanitizer/90312
1797         * config/i386/i386-options.c (ix86_option_override_internal): Error only
1798         when -mabi is selected to a non-default version.
1799
1800 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
1801             Martin Liska  <mliska@suse.cz>
1802
1803         * Makefile.in: Add lto-dump.texi.
1804         * cgraph.h: Add new functions get_visibility_string and
1805         get_symtab_type_string.
1806         * doc/gcc.texi: Include lto-dump section.
1807         * doc/lto-dump.texi: New file.
1808         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
1809         (parse_dump_option): Factor out this function.
1810         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
1811         (parse_dump_option): Export the function.
1812         * symtab.c (symtab_node::get_visibility_string): New function.
1813         (symtab_node::get_symtab_type_string): Likewise.
1814
1815 2019-05-06  Martin Liska  <mliska@suse.cz>
1816
1817         * config/i386/i386-builtins.c: New file.
1818         * config/i386/i386-builtins.h: New file.
1819         * config/i386/i386-expand.c: New file.
1820         * config/i386/i386-expand.h: New file.
1821         * config/i386/i386-features.c: New file.
1822         * config/i386/i386-features.h: New file.
1823         * config/i386/i386-options.c: New file.
1824         * config/i386/i386-options.h: New file.
1825         * config.gcc: Add new files into extra_objs and
1826         target_gtfiles.
1827         * config/i386/i386.c: Split content of the file
1828         into newly introduced files.
1829         * config/i386/i386.h: Declare common variables
1830         and macros.
1831         * config/i386/t-i386: Define dependencies for new files.
1832
1833 >>>>>>> .r270937
1834 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
1835
1836         PR target/89400
1837         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
1838         Restrict 'all' variant to 32-bit configurations.
1839         (unaligned_loadhiu): Likewise.
1840         (unaligned_storehi): Likewise.
1841         (unaligned_storesi): Likewise.
1842         (unaligned_loadhis): Disable when compiling for thumb1.
1843
1844 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
1845
1846         PR tree-optimization/90269
1847         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
1848         Ignore clobbers.
1849
1850 2019-05-03  Martin Liska  <mliska@suse.cz>
1851
1852         * hash-map.h: Add is_empty function.
1853         * hash-set.h: Likewise.
1854         * hash-table.h: Likewise.
1855         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
1856         elements () == 0 (and similar usages).
1857         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
1858         * gimplify.c (gimplify_bind_expr): Likewise.
1859         (gimplify_switch_expr): Likewise.
1860         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
1861         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
1862         * postreload-gcse.c (dump_hash_table): Likewise.
1863         (gcse_after_reload_main): Likewise.
1864         * predict.c (combine_predictions_for_bb): Likewise.
1865         * tree-parloops.c (reduction_phi): Likewise.
1866         (separate_decls_in_region): Likewise.
1867         (transform_to_exit_first_loop): Likewise.
1868         (gen_parallel_loop): Likewise.
1869         (gather_scalar_reductions): Likewise.
1870         (try_create_reduction_list): Likewise.
1871         * var-tracking.c (dump_vars): Likewise.
1872         (emit_notes_for_changes): Likewise.
1873         (vt_emit_notes): Likewise.
1874
1875 2019-05-03  Richard Biener  <rguenther@suse.de>
1876
1877         PR tree-optimization/90316
1878         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
1879         before running VN.
1880
1881 2019-05-03  Richard Biener  <rguenther@suse.de>
1882
1883         * tree-vect-stmts.c (get_group_load_store_type): Avoid
1884         peeling for gaps by loading only lower halves of vectors
1885         if possible.
1886         (vectorizable_load): Likewise.
1887
1888 2019-05-03  Richard Biener  <rguenther@suse.de>
1889
1890         PR middle-end/89518
1891         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
1892
1893 2019-05-03  Richard Biener  <rguenther@suse.de>
1894
1895         PR middle-end/87314
1896         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
1897         Handle STRING_CST vs DECL or STRING_CST.
1898
1899 2019-05-03  Richard Biener  <rguenther@suse.de>
1900
1901         PR tree-optimization/88963
1902         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
1903         vector loads feeding only BIT_FIELD_REFs to component
1904         loads.  Rewrite stores fed by CONSTRUCTORs to component
1905         stores.
1906
1907 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
1908
1909         * opts.h (finish_options): Remove lang_mask argument.
1910         (print_help, help_option_argument): Declare.
1911         * opts.c (print_help): Remove forward declaration, no longer static.
1912         (finish_options): Remove lang_mask argument, don't call print_help
1913         here.
1914         * opts-global.c (decode_options): Adjust finish_option caller, call
1915         print_help here.
1916
1917         PR tree-optimization/90303
1918         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
1919         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
1920
1921 2019-05-03  Richard Biener  <rguenther@suse.de>
1922
1923         PR tree-optimization/89698
1924         * gimple-fold.c (canonicalize_constructor_val): Early out
1925         for constants, handle unfolded INTEGER_CSTs as they appear in
1926         C++ virtual table ctors.
1927
1928 2019-05-03  Richard Biener  <rguenther@suse.de>
1929
1930         * passes.c (execute_function_todo): Remove dead code.
1931
1932 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
1933
1934         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
1935         the internal register number, for any "real" register.
1936
1937 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
1938
1939         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
1940         correct numbers for TFHAR, TFIAR, TEXASR.
1941
1942 2019-05-02  Richard Biener  <rguenther@suse.de>
1943
1944         PR tree-optimization/89653
1945         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
1946         update-address-taken before the pass.
1947         * passes.def (pass_tree_loop_init): Put comment before it.
1948
1949 2019-05-02  Richard Biener  <rguenther@suse.de>
1950
1951         PR tree-optimization/89509
1952         * tree-ssa-structalias.c (compute_dependence_clique): Look
1953         at the first subvar when determining whether it is restrict.
1954
1955 2019-05-02  Richard Biener  <rguenther@suse.de>
1956
1957         PR tree-optimization/90273
1958         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
1959         useless debug stmts.
1960
1961 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1962
1963         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
1964         ACLE branch.
1965         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
1966         SVE ACLE branch.
1967         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
1968         VEC_COND_EXPR be inserted to emulate a conditional internal function.
1969         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
1970         (vectorizable_reduction): Use the functions above to vectorize in a
1971         fully masked loop codes that don't have a conditional internal
1972         function.
1973
1974 2019-05-02  Martin Liska  <mliska@suse.cz>
1975
1976         * cgraphclones.c: Call valid_attribute_p with 1 for
1977         target_clone.
1978         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
1979         it's for target attribute.
1980         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
1981         Add new boolean argument.
1982         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
1983         Likewise.
1984         (ix86_valid_target_attribute_tree): Pass target_clone_attr
1985         to ix86_valid_target_attribute_inner_p.
1986         (ix86_valid_target_attribute_p): Pass flags argument to
1987         ix86_valid_target_attribute_inner_p.
1988         (get_builtin_code_for_version): Use 0 as it's target attribute.
1989
1990 2019-05-02  Martin Liska  <mliska@suse.cz>
1991
1992         * gcc.c (process_command): Add dummy file only
1993         if n_infiles == 0.
1994         * opts-global.c (decode_options): Pass lang_mask.
1995         * opts.c (print_help): New function.
1996         (finish_options): Print --help if help_option_argument
1997         is set.
1998         (common_handle_option): Factor out content of OPT__help_
1999         into print_help.
2000         * opts.h (finish_options): Add new argument.
2001
2002 2019-05-02  Martin Liska  <mliska@suse.cz>
2003
2004         PR target/88809
2005         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2006         With -minline-all-stringops use inline expansion using 4B loop.
2007         * doc/invoke.texi: Document the change of
2008         -minline-all-stringops.
2009
2010 2019-05-01  Jeff Law  <law@redhat.com>
2011
2012         PR tree-optimization/88797
2013         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2014         PHI feeds a conditional on the RHS of an assignment.
2015
2016 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2017             Jim Wilson  <jimw@sifive.com>
2018
2019         * config/riscv/constraints.md (L): New.
2020         * config/riscv/predicates.md (lui_operand): New.
2021         (sfb_alu_operand): New.
2022         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2023         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2024         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2025         * config/riscv/risc.md (type): Add sfb_alu.
2026         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2027         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2028         (branch_zero<mode>): Delete.
2029         (mov<mode>cc): New.
2030         (mov<GPR:mode><X:mode>cc): Likewise.
2031         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2032
2033 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2034
2035         * tree.h (MARK_TS_EXP): New.
2036
2037 2019-04-30  Martin Liska  <mliska@suse.cz>
2038
2039         * opts.c (enable_warning_as_error): Provide hints
2040         for unknown options.
2041
2042 2019-04-30  Martin Liska  <mliska@suse.cz>
2043
2044         PR debug/90288
2045         * doc/invoke.texi: Add missing dash for gas-locview-support
2046         and gno-as-locview-support.
2047
2048 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR target/89093
2051         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2052         whitespace at the start of target attribute string.
2053
2054 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2055
2056         PR target/86538
2057         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2058         Define __ARM_FEATURE_ATOMICS.
2059
2060 2019-04-30  Martin Liska  <mliska@suse.cz>
2061
2062         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2063         into built_in_function enum. Remove code for endp == 2 and
2064         use BUILT_IN_* constants.
2065         (gimple_fold_builtin): Call the function with fcode.
2066
2067 2019-04-30  Martin Liska  <mliska@suse.cz>
2068
2069         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2070         DECL_FUNCTION_CODE into ix86_builtins enum before
2071         the switch statement.
2072
2073 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2074
2075         PR tree-optimization/89475
2076         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2077         calls.
2078
2079 2019-04-30  Martin Liska  <mliska@suse.cz>
2080
2081         PR translation/90274
2082         * opts.c (print_filtered_help): Wrap string in _(...).
2083
2084 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2085
2086         PR tree-optimization/90240
2087         Revert:
2088         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2089
2090         PR tree-optimization/90078
2091         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2092         checks for infinite_cost overflow.
2093
2094 2019-04-29  Jeff Law  <law@redhat.com>
2095
2096         * passes.def: Move -Wrestrict pass after copy propagation.
2097
2098 2019-04-29  Maya Rashish  <coypu@sdf.org>
2099
2100         * config.gcc (default_gnu_indirect_function): Default to yes
2101         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2102         sparc*-*-netbsd*, x86_64-*-netbsd*.
2103
2104 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2105
2106         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2107         where cond2 is NE_EXPR.
2108         (is_value_included_in): Update comment.
2109
2110 2019-04-29  Richard Biener  <rguenther@suse.de>
2111
2112         PR tree-optimization/90278
2113         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2114         EH on comparison simplification.
2115
2116 2019-04-29  Jason Merrill  <jason@redhat.com>
2117
2118         PR c++/82081 - tail call optimization breaks noexcept
2119         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2120         nothrow function to a might-throw function into a tail call.
2121
2122 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2123
2124         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2125         (DDR_INNER_LOOP): Likewise.
2126         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2127         (initialize_data_dependence_relation): Likewise.
2128         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2129
2130 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2131
2132         PR rtl-optimization/90257
2133         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2134         return value.
2135
2136         Revert the revert:
2137         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2138
2139         PR target/90178
2140         Revert:
2141         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2142
2143         Revert the revert:
2144         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2145
2146         Revert:
2147         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2148
2149         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2150
2151 2019-04-29  Richard Biener  <rguenther@suse.de>
2152
2153         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2154         rhs issue a reset.
2155
2156 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2157
2158         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2159         varasm.h, and netbsd-protos.h.
2160
2161 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2162
2163         PR target/89261
2164         * config/i386/i386-protos.h (ix86_data_alignment): Change
2165         the second argument type to unsigned int.
2166         * config/i386/i386.c (ix86_data_alignment): Change "align"
2167         argument type to unsigned int.
2168
2169 2019-04-27  Martin Liska  <mliska@suse.cz>
2170
2171         PR middle-end/90258
2172         * opt-suggestions.c (option_proposer::build_option_suggestions):
2173         When get_valid_option_values returns empty values, add the
2174         misspelling candidate.
2175
2176 2019-04-26  Jim Wilson  <jimw@sifive.com>
2177
2178         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2179         parameter.
2180         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2181         Pass orig_mode to riscv_build_integer.
2182         (riscv_split_integer): Pass mode to riscv_move_integer.
2183         (riscv_legitimize_const_move): Likewise.
2184         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2185         promoted_mode.  Replace force_reg call with code to load constant into
2186         promoted reg and then subreg it for the store.
2187         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2188         riscv_move_integer.
2189
2190 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2191
2192         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2193         corrupt codes.
2194
2195 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2196
2197         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2198         commentary about the encoding of precision.
2199
2200 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2201
2202         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2203         * config/i386/t-freebsd64: New file.
2204         * config.gcc: Add the t-freebsd64 for multilib support.
2205
2206 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2207
2208         * doc/extend.texi (vector_size): Add missing comma after @xref.
2209
2210 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2211
2212         * BASE-VER: Set to 10.0.0.
2213
2214 2019-04-25  Richard Biener  <rguenther@suse.de>
2215
2216         PR middle-end/89765
2217         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2218         VIEW_CONVERT_EXPR into one operating on an rvalue.
2219
2220 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2221
2222         PR target/89929
2223         * config/i386/i386.c (feature_priority): Moved to file scope.
2224         (processor_features): Likewise.
2225         (processor_model): Likewise.
2226         (_arch_names_table): Likewise.
2227         (arch_names_table): Likewise.
2228         (_feature_list): Removed.
2229         (feature_list): Likewise.
2230         (_isa_names_table): Moved to file scope.  Add priority.
2231         (isa_names_table): Likewise.
2232         (get_builtin_code_for_version): Replace feature_list with
2233         isa_names_table.  Update error message for P_ZERO priority.
2234
2235 2019-04-25  Richard Biener  <rguenther@suse.de>
2236
2237         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2238         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2239
2240 2019-04-24  Jeff Law  <law@redhat.com>
2241
2242         PR tree-optimization/90037
2243         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2244         * passes.def: Replace all instance of phi-only cprop with the
2245         lattice propagator.  Move propagation pass from after erroneous
2246         path isolation to before erroneous path isolation.
2247         * tree-ssa-phionlycprop.c: Remove.
2248
2249 2019-04-24  Richard Biener  <rguenther@suse.de>
2250
2251         PR middle-end/90213
2252         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2253         by size and BITS_PER_UNIT on poly-wide-ints.
2254
2255 2019-04-25  Richard Biener  <rguenther@suse.de>
2256
2257         PR middle-end/90194
2258         * match.pd: Add pattern to simplify view-conversion of an
2259         empty constructor.
2260
2261 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2262
2263         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2264         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2265         for Go on 32 bit AIX.
2266         * config/rs6000/aix72.h: Likewise.
2267
2268 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2269
2270         PR target/90193
2271         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2272         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2273
2274 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2275
2276         PR target/89952
2277         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2278         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2279         for restored hard frame pointer.
2280         (s390_sched_dependencies_evaluation): Implement new target hook.
2281         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2282
2283 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2284
2285         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2286         * config/arc/arc.c (arc_init): Cleanup warning message.
2287         (arc_override_options): Likewise.
2288
2289 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2290
2291         PR target/90187
2292         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2293         a register if both if_true and if_false are MEMs.
2294
2295         PR tree-optimization/90208
2296         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2297         after labels of new_bb, not before them.
2298
2299         PR tree-optimization/90211
2300         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2301         which are not SSA_NAMEs.
2302
2303 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2304
2305         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2306         AArch64.
2307         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2308
2309 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2310
2311         PR rtl-optimization/87979
2312         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2313         not equal zero.
2314
2315 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2316
2317         PR rtl-optimization/84032
2318         * modulo-sched.c (ps_insn_find_column): Change condition so that
2319         branch will always be the last insn in a row inside partial
2320         schedule.
2321
2322 2019-04-23  Richard Biener  <rguenther@suse.de>
2323
2324         PR debug/90131
2325         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2326         dest_single_pred_p argument.
2327         (remove_forwarder_block): Adjust.
2328         (remove_forwarder_block_with_phi): Likewise.
2329
2330 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2331             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2332             Jakub Jelinek  <jakub@redhat.com>
2333
2334         PR target/89093
2335         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2336         if used with general-regs-only.
2337         (arm_conditional_register_usage): Don't add non-general regs if
2338         general-regs-only.
2339         (arm_valid_target_attribute_rec): Handle general-regs-only.
2340         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2341         general-regs-only.
2342         (TARGET_HARD_FLOAT_SUB): Define.
2343         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2344         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2345         (TARGET_REALLY_IWMMXT2): Likewise.
2346         * config/arm/arm.opt: Add -mgeneral-regs-only.
2347         * doc/extend.texi: Document ARM general-regs-only target.
2348         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2349
2350 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2351
2352         PR tree-optimization/90078
2353         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2354         checks for infinite_cost overflow.
2355
2356 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2357
2358         PR tree-optimization/90021
2359         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2360         and check univariate against it.
2361         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2362         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2363
2364 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2365
2366         PR target/90178
2367         Revert:
2368         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2369
2370         Revert the revert:
2371         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2372
2373         Revert:
2374         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2375
2376         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2377
2378 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2379
2380         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2381         names using operand format, rather than hard-wired.
2382         (speculation_barrier): Likewise.
2383
2384 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2385
2386         PR tree-optimization/88055
2387         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2388         (gen_one_condition): Use it if !HONOR_NANS.
2389
2390 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2391
2392         PR middle-end/90139
2393         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2394         assign_temp instead of gen_reg_rtx.
2395
2396 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2397
2398         PR translation/90118
2399         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2400         Add missing space before %<.
2401
2402 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2403
2404         PR rtl-optimization/87871
2405         * ira-lives.c (make_object_dead): Don't add conflicts to
2406         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2407
2408 2019-04-18  Martin Sebor  <msebor@redhat.com>
2409
2410         PR middle-end/89797
2411         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2412         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2413         assuming type size fits in SHWI.
2414
2415 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2416
2417         PR ipa/85051
2418         * ipa-inline.c (flatten_function): New parameter UPDATE.
2419         (ipa_inline, early_inliner): Use it.
2420
2421 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2422
2423         * fold-const.c (int_const_binop): Return early on failure.
2424
2425 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2426
2427         PR middle-end/85164
2428         * combine.c (force_int_to_mode): Cast the argument rather than
2429         the result of known_alignment.
2430         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2431
2432 2019-04-18  Richard Biener  <rguenther@suse.de>
2433
2434         PR debug/90131
2435         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2436         out from ...
2437         (remove_forwarder_block): ... here.
2438         (remove_forwarder_block_with_phi): Also move debug stmts here.
2439
2440 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2441
2442         PR translation/79183
2443         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2444         inform where appropriate.
2445
2446 2019-04-18  Richard Biener  <rguenther@suse.de>
2447
2448         * tree.c (get_qualified_type): Put found type variants at the
2449         head of the variant list.
2450
2451 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2452
2453         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2454
2455 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2456
2457         PR target/90125
2458         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2459         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2460         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2461         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2462         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2463
2464 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2465
2466         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2467         even for allocno's with no conflicts.
2468         (print_conflicts): Print an extra newline.
2469
2470 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2471
2472         * auto-inc-dec.c (attempt_change): Set the alignment of the
2473         temporary memory to that of the original.
2474
2475 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2476
2477         * targhooks.c (default_print_patchable_function_entry): Emit
2478         __patchable_function_entries section with writable flags to allow
2479         relocation resolution.
2480
2481 2019-04-17  Jonny Grant  <jg@jguk.org>
2482
2483         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2484
2485 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2486
2487         PR middle-end/90095
2488         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2489         on lowpart SUBREGs.
2490
2491 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2492
2493         * config/arc/arc.c (arc_init): Format diagnostic string.
2494         (arc_override_options): Likewise.
2495         (check_if_valid_regno_const): Likewise.
2496         (arc_reorg): Likewise.
2497
2498 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2499
2500         PR target/17108
2501         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
2502         name.
2503         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
2504         name.
2505         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
2506         (*movdi_update1): Use Pmode.
2507         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
2508         (movdi_<mode>_update_stack): Rename to ...
2509         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
2510         use Pmode.
2511         (*movsi_update1): Use Pmode.
2512         (*movsi_update2): Use Pmode.
2513         (movsi_update): Rename to ...
2514         (movsi_<mode>_update): ... this.  Use Pmode.
2515         (movsi_update_stack): Fix condition.
2516         (*movhi_update1): Use Pmode.  Fix argument to
2517         avoiding_indexed_address_p.
2518         (*movhi_update2): Ditto.
2519         (*movhi_update3): Ditto.
2520         (*movhi_update4): Ditto.
2521         (*movqi_update1): Ditto.
2522         (*movqi_update2): Ditto.
2523         (*movqi_update3): Ditto.
2524         (*movsf_update1, *movdf_update1): Merge, rename to...
2525         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
2526         avoiding_indexed_address_p.  Add "size" attribute.
2527         (*movsf_update2, *movdf_update2): Merge, rename to...
2528         (*mov<mode>_update2): This.  Ditto.
2529         (*movsf_update3): Use Pmode.  Fix argument to
2530         avoiding_indexed_address_p.
2531         (*movsf_update4): Ditto.
2532         (allocate_stack): Simplify condition.  Adjust pattern names.
2533
2534 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2535
2536         PR target/89093
2537         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
2538         whitespace at the start of target attribute string.
2539
2540 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
2541
2542         PR target/84369
2543         * config/rs6000/power9.md: Add store forwarding bypass.
2544
2545 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
2546
2547         PR debug/89528
2548         * valtrack.c (dead_debug_insert_temp): Reset debug references
2549         to the return value of a call being removed.
2550
2551 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2552
2553         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
2554         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
2555         implement target hook.
2556         (arc_memory_move_cost): New function.
2557         (TARGET_REGISTER_MOVE_COST): Define.
2558         (TARGET_MEMORY_MOVE_COST): Likewise.
2559         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
2560         (MEMORY_MOVE_COST): Likewise.
2561
2562 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2563
2564         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
2565         (sibcall_value_insn): Likewise.
2566         * config/arc/constraints.md (Rs5): Remove.
2567
2568 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2569
2570         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
2571         for last two fake registers.
2572         (arc_conditional_register_usage): Make sure fake frame and arg
2573         pointer regs are in general regs class.
2574         (FRAME_POINTER_MASK): Remove.
2575         (RETURN_ADDR_MASK): Remove.
2576         (arc_must_save_register): Use hard frame regnum.
2577         (frame_restore_reg): Use hard_frame_pointer_rtx.
2578         (arc_save_callee_saves): Likewise.
2579         (arc_restore_callee_saves): Likewise.
2580         (arc_save_callee_enter): Likewise.
2581         (arc_restore_callee_leave): Likewise.
2582         (arc_save_callee_milli): Likewise.
2583         (arc_eh_return_address_location): Likewise.
2584         (arc_check_multi): Use hard frame regnum.
2585         (arc_can_eliminate): Likewise.
2586         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
2587         for register allocator.
2588         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
2589         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
2590         (FRAME_POINTER_REGNUM): Change it to a fake register.
2591         (HARD_FRAME_POINTER_REGNUM): Defined.
2592         (ARG_POINTER_REGNUM): Change it to a new fake register.
2593         (ELIMINABLE_REGS): Update.
2594         (REGISTER_NAMES): Update names.
2595         * config/arc/arc.md (LP_START): Remove.
2596         (LP_END): Likewise.
2597         (shift_si3_loop): Update pattern.
2598
2599 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2600
2601         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
2602         to avoid delay slot scheduling.
2603         (arc_must_save_register): Don't save SP.
2604         * config/arc/arc.md (stack_tie): Remove.
2605         (UNSPEC_ARC_STKTIE): Likewise.
2606
2607 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
2608             Shiva Chen  <shiva0217@gmail.com>
2609
2610         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
2611         code gen with large shift amount.
2612
2613 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
2614
2615         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
2616         subreg.
2617
2618 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
2619
2620         PR target/90096
2621         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
2622         print -m64/-mx32/-m32 if it is true.
2623         (ix86_debug_options, ix86_function_specific_print): Pass true as
2624         ADD_ABI_P to ix86_target_string.
2625         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
2626         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
2627         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
2628
2629         PR rtl-optimization/90082
2630         * dce.c (can_delete_call): New function.
2631         (deletable_insn_p, mark_insn): Use it.
2632
2633         PR tree-optimization/90090
2634         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
2635         throw internally.
2636         (is_division_by_square): Likewise.  Formatting fix.
2637
2638 2019-04-16  Richard Biener  <rguenther@suse.de>
2639
2640         PR tree-optimization/56049
2641         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
2642         equality check if alias-set zero will prevail.
2643
2644 2019-04-15  Jeff Law  <law@redhat.com>
2645
2646         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
2647         size and alignment as unsigned.
2648
2649 2019-04-15  Richard Biener  <rguenther@suse.de>
2650
2651         PR debug/90074
2652         * tree-loop-distribution.c (destroy_loop): Preserve correct
2653         debug info.
2654
2655 2019-04-15  Richard Biener  <rguenther@suse.de>
2656
2657         PR tree-optimization/90071
2658         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
2659         abnormal operands from def stmts.
2660
2661 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
2662
2663         PR rtl-optimization/89794
2664         * combine.c (count_auto_inc): New function.
2665         (try_combine): Count how many auto_inc expressions there were in the
2666         original instructions.  Ensure we have the same number in the new
2667         instructions.  Remove the code that tried to ensure auto_inc side
2668         effects on i1 and i0 are not lost.
2669
2670 2019-04-15  Richard Biener  <rguenther@suse.de>
2671
2672         PR ipa/88936
2673         * tree.h (auto_var_p): Declare.
2674         * tree.c (auto_var_p): New function, split out from ...
2675         (auto_var_in_fn_p): ... here.
2676         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
2677         member.
2678         (new_var_info): Initialize it.
2679         (set_uids_in_ptset): Also set the shadow variable uid if required.
2680         (ipa_pta_execute): Postprocess points-to solutions assigning
2681         shadow variable uids for locals that may reach their containing
2682         function recursively.
2683         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
2684         assert but instead check whether the points-to solution is
2685         a singleton.
2686
2687 2019-04-15  Martin Jambor  <mjambor@suse.cz>
2688
2689         PR ipa/pr89693
2690         * cgraph.c (clone_of_p): Loop over clone chain for each step in
2691         the thunk chain.
2692
2693 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2694
2695         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
2696
2697 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2698             Kito Cheng  <kito.cheng@gmail.com>
2699             Shiva Chen  <shiva0217@gmail.com>
2700
2701         * config/nds32/nds32-md-auxiliary.c
2702         (nds32_legitimize_pic_address): Use new PIC pattern.
2703         (nds32_legitimize_tls_address): Use new TLS pattern.
2704         (nds32_output_symrel): New.
2705         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
2706         (nds32_alloc_relax_group_id): Ditto.
2707         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
2708         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
2709         relax_group_id.
2710         (nds32_group_tls_insn): Ditto.
2711         (nds32_group_float_insns): Ditto.
2712         * config/nds32/nds32.md (tls_le): New.
2713         (sym_got): Ditto.
2714
2715 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
2716
2717         * configure: Add nds32 target for dwarf2 debug_line checking.
2718         * configure.ac: Regenerated.
2719
2720 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
2721
2722         PR lto/89358
2723         * ipa-devirt.c (skip_in_fields_list_p): New.
2724         (odr_types_equivalent_p): Use it.
2725
2726 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
2727
2728         PR target/89093
2729         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
2730         instead of strncmp when checking for thumb and arm.  Formatting fixes.
2731
2732 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
2733
2734         * doc/install.texi: Document --with-target-system-zlib.
2735
2736 2019-04-12  Martin Sebor  <msebor@redhat.com>
2737
2738         PR c/88383
2739         PR c/89288
2740         PR c/89798
2741         PR c/89797
2742         * targhooks.c (default_vector_alignment): Avoid assuming
2743         argument fits in SHWI.
2744         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
2745         a shift expression.
2746         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
2747
2748 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2749
2750         PR rtl-optimization/89965
2751         * dce.c: Include rtl-iter.h.
2752         (struct check_argument_load_data): New type.
2753         (check_argument_load): New function.
2754         (find_call_stack_args): Check for loads from stack slots still tracked
2755         in sp_bytes and punt if any is found.
2756
2757         * config/mips/loongson-mmiintrin.h: Fix up #error message.
2758
2759 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
2760
2761         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
2762         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
2763
2764 2019-04-12  Martin Liska  <mliska@suse.cz>
2765
2766         PR middle-end/89970
2767         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
2768         in error message.
2769         (separate_attrs): Handle multiple 'default's.
2770         (expand_target_clones): Rework error handling code.
2771
2772 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2773
2774         PR target/87532
2775         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
2776         mode of vector rather than mode of destination for move instruction.
2777         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
2778         Use QI inner mode with V16QI vector mode.
2779
2780 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2781
2782         PR target/52726
2783         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
2784         "invalid %%t operand" in output_operand_lossage message.
2785
2786 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
2787
2788         * config/s390/predicates.md (permute_pattern_operand): New
2789         predicate.
2790         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
2791         operand for the permute pattern.
2792         ("*vec_perm<mode>"): New insn definition.
2793         ("bswap<mode>"): Generate the permute pattern operand in the
2794         expander and perform the operand reloads for pre arch13 level
2795         already.
2796         ("*bswap<mode>_emu"): Rename to ...
2797         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
2798         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
2799         Add the USE operand for the permute pattern.
2800         ("*vec_set_bswap_vec<mode>"): Likewise.
2801
2802 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2803
2804         PR c/89946
2805         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
2806         and gcc_unreachable if it fails, just call tree_to_uhwi which
2807         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
2808         Start warning message with a lower-case letter.  Formatting fixes.
2809
2810         PR rtl-optimization/90026
2811         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
2812         successors, look for BARRIERs inside of the whole BB_FOOTER chain
2813         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
2814         in cfglayout mode, use emit_barrier_after_bb.
2815
2816 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
2817
2818         PR rtl-optimization/87763
2819         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
2820         New Instruction.
2821
2822 2019-04-11  Tom de Vries  <tdevries@suse.de>
2823
2824         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
2825         max macro using statement expression.
2826
2827 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
2828
2829         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
2830         * xcoffout.c (xcoff_private_rodata_section_name): Define.
2831         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
2832         read_only_private_data_section using xcoff_private_rodata_section_name.
2833         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
2834
2835 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
2836
2837         PR target/90016
2838         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
2839
2840 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
2841
2842         PR rtl-optimization/89965
2843         * dce.c (sp_based_mem_offset): New function.
2844         (find_call_stack_args): Use sp_based_mem_offset.
2845
2846 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
2847
2848         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
2849
2850 2019-04-11  Richard Biener  <rguenther@suse.de>
2851
2852         PR tree-optimization/90020
2853         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
2854         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
2855         * tree-ssa-pre.c (compute_avail): Use it to not put
2856         possibly trapping references after a call that might not
2857         return into EXP_GEN.
2858         * gcse.c (compute_hash_table_work): Do not elide
2859         marking a block containing a call if the call might not
2860         return.
2861
2862 2019-04-11  Richard Biener  <rguenther@suse.de>
2863
2864         PR tree-optimization/90018
2865         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
2866         Test both SLP and interleaving variants.
2867
2868 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
2869
2870         * config/s390/8561.md: New file.
2871         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2872         Add arch13 cpu model.
2873         * config/s390/s390-opts.h (enum processor_type): Likewise.
2874         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
2875         (s390_get_unit_mask): Likewise.
2876         (s390_is_fpd): Likewise.
2877         (s390_is_fxd): Likewise.
2878         * config/s390/s390.h (s390_tune_attr): Likewise.
2879         * config/s390/s390.md: Include arch13 pipeline description.
2880         * config/s390/s390.opt: Add arch13.
2881
2882 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
2883
2884         PR rtl-optimization/87763
2885         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
2886         New prototype.
2887         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
2888         New function.
2889         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
2890         New instruction.
2891         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
2892         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
2893         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
2894         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
2895
2896 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
2897
2898         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
2899         "Although" in -fipa-icf documentation.
2900
2901         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
2902         of using multiple -g options.
2903
2904 2019-04-10  Martin Liska  <mliska@suse.cz>
2905
2906         PR gcov-profile/89959
2907         * doc/gcov.texi: Make documentation of -x option
2908         more precise.
2909
2910 2019-04-10  Richard Biener  <rguenther@suse.de>
2911
2912         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
2913         member.
2914         (DR_GROUP_SAME_DR_STMT): Remove.
2915         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
2916         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
2917         replace with assert.
2918         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
2919         (vect_record_grouped_load_vectors): Remove unreachable code.
2920
2921 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
2922
2923         PR target/90016
2924         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
2925         obsolete reference to N.
2926
2927 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
2928
2929         PR middle-end/90025
2930         * expr.c (store_expr): Set properly size on the MEM passed to
2931         clear_storage.
2932
2933         PR c++/90010
2934         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
2935         with strlen in between hostsz-3 and hostsz-1 inclusive when no
2936         translation is needed, and when translation is needed, only append
2937         ... if the string length is hostsz or more bytes long.  Avoid using
2938         strncpy or strcat.
2939
2940 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
2941
2942         PR target/90024
2943         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
2944         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
2945         into three.
2946         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
2947         differences directly.
2948         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
2949
2950 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
2951
2952         PR translation/90011
2953         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
2954         from diagnostics.
2955         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
2956         diagnostics.
2957         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
2958         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
2959         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
2960         trailing space from -gsplit-dwarf diagnostics.
2961
2962         PR tree-optimization/89998
2963         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
2964         instead of integer_type_node if possible, don't add ranges if return
2965         type is not compatible with int.
2966         * gimple-fold.c (gimple_fold_builtin_sprintf,
2967         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
2968         integer_type_node.
2969
2970 2019-04-09  Martin Liska  <mliska@suse.cz>
2971
2972         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
2973         * doc/install.texi: Document the new config.
2974
2975 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
2976
2977         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
2978         use gimple_expr_type for load and store calls.  Skip over the
2979         condition argument in a conditional internal function.
2980         Protect use of TREE_INT_CST_LOW.
2981
2982 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR target/90015
2985         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
2986         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
2987         trailing period from it too.
2988
2989 2019-04-08  wu yuan  <wuyuan5@huawei.com>
2990
2991         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
2992         * config/aarch64/aarch64.md : Add "tsv110.md"
2993         * config/aarch64/tsv110.md: New file.
2994
2995 2019-04-08  Richard Biener  <rguenther@suse.de>
2996
2997         PR tree-optimization/90006
2998         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
2999         calls like lrint.
3000
3001 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3002
3003         PR target/83033
3004         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3005         construction.
3006         (fma_root_node): Likewise.
3007         (func_fma_steering): Likewise.
3008
3009 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3010
3011         PR rtl-optimization/89865
3012         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3013
3014         PR rtl-optimization/89865
3015         * config/i386/i386.md
3016         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3017         numbers not to clash with the additional operands[4].
3018         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3019         with extra register copy in the middle.
3020
3021 2019-04-08  Martin Liska  <mliska@suse.cz>
3022
3023         PR gcov-profile/89961
3024         * doc/gcov.texi: Document data_file.
3025         * gcov.c (generate_results): Add data_info into JSON output.
3026
3027 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3028
3029         PR tree-optimization/89725
3030         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3031         loop's chrec as invariant symbol.
3032         * tree-chrec.h (chrec_contains_symbols): New parameter.
3033         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3034         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3035         function of loops not in DDR's loop_nest.
3036         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3037
3038 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3039
3040         PR target/89623
3041         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3042         Mask.
3043
3044 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3045
3046         PR target/89945
3047         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3048         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3049
3050 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3051
3052         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3053         targetm.fixed_condition_code_regs.
3054
3055 2019-04-05  Richard Biener  <rguenther@suse.de>
3056
3057         PR debug/89892
3058         PR debug/89905
3059         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3060         debug bind stmts but reset them if they are not valid at the
3061         destination.
3062
3063 2019-04-05  Martin Liska  <mliska@suse.cz>
3064
3065         PR translation/89936
3066         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3067         order to wrap keywords or arguments.
3068         * collect2.c (main): Likewise.
3069         (scan_prog_file): Likewise.
3070         (scan_libraries): Likewise.
3071         * common/config/riscv/riscv-common.c
3072         (riscv_subset_list::parsing_subset_version): Likewise.
3073         (riscv_subset_list::parse_std_ext): Likewise.
3074         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3075         Likewise.
3076         * config/arm/arm.c (arm_option_override): Likewise.
3077         * config/cris/cris.c (cris_print_operand): Likewise.
3078         * config/darwin-c.c (darwin_pragma_options): Likewise.
3079         (darwin_pragma_unused): Likewise.
3080         (darwin_pragma_ms_struct): Likewise.
3081         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3082         * config/i386/i386.c (print_reg): Likewise.
3083         (ix86_print_operand): Likewise.
3084         * config/i386/xm-djgpp.h: Likewise.
3085         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3086         * config/m32c/m32c.c (m32c_option_override): Likewise.
3087         * config/msp430/msp430.c (msp430_option_override): Likewise.
3088         * config/nds32/nds32.c (nds32_option_override): Likewise.
3089         * config/nvptx/mkoffload.c (main): Likewise.
3090         * config/rx/rx.c (rx_print_operand): Likewise.
3091         (valid_psw_flag): Likewise.
3092         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3093         (vms_pragma_nomember_alignment): Likewise.
3094         (vms_pragma_extern_model): Likewise.
3095         * lto-wrapper.c (compile_offload_image): Likewise.
3096         * omp-offload.c (oacc_parse_default_dims): Likewise.
3097         * symtab.c (symtab_node::verify_base): Likewise.
3098         * tlink.c (recompile_files): Likewise.
3099         (start_tweaking): Likewise.
3100         * tree-profile.c (parse_profile_filter): Likewise.
3101
3102 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3103
3104         PR tree-optimization/89956
3105         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3106         multiple negates of the same value.
3107
3108 2019-04-04  Martin Sebor  <msebor@redhat.com>
3109
3110         PR middle-end/89957
3111         PR middle-end/89911
3112         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3113         have the same precision since the function crashes otherwise.
3114         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3115         has non-zero arguments.
3116
3117 2019-04-04  Martin Sebor  <msebor@redhat.com>
3118
3119         PR middle-end/89934
3120         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3121         out if the number of arguments is less than expected.
3122
3123 2019-04-04  Jeff Law  <law@redhat.com>
3124
3125         PR rtl-optimization/89399
3126         * ree.c (combine_set_extension): Use single_set rather than
3127         digging into PATTERN for items on the candidate list.
3128         (combine_reaching_defs): Likewise.
3129
3130 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3131
3132         PR rtl-optimization/46590
3133         * loop-invariant.c (find_defs): Move df_remove_problem and
3134         df_process_deferred_rescans to move_invariants.
3135         Move df_live_add_problem and df_live_set_all_dirty calls
3136         to move_invariants.
3137         (move_invariants): Likewise.
3138         (move_loop_invariants): Likewise, making the df_live calls
3139         conditional on -O.  Remove the problem again if we added it
3140         locally.
3141
3142 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3143
3144         PR tree-optimization/89730
3145         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3146         -flive-patching=inline-only-static.
3147         (can_inline_edge_by_limits_p): Add the checking for
3148         -flive-patching=inline-only-static and grant always_inline
3149         even when -flive-patching=inline-only-static is specified.
3150
3151 2019-04-03  Jeff Law  <law@redhat.com>
3152
3153         PR rtl-optimization/81025
3154         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3155
3156 2019-04-03  Richard Biener  <rguenther@suse.de>
3157
3158         PR tree-optimization/84101
3159         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3160         regs.h for hard_regno_nregs.
3161         (cfun_returns): New helper.
3162         (vect_model_store_cost): When vectorizing a store to a decl
3163         we return and the function ABI returns in a multi-reg location
3164         account for the possible spilling that will happen.
3165
3166 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3167
3168         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3169         displacement addresses for vector mode operands.
3170
3171 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3172
3173         * config/arc/arc.c (GMASK_LEN): Define.
3174         (arc_restore_callee_saves): Restore first blink when
3175         !optimize_size.
3176
3177 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3178
3179         * doc/extend.texi: Add deprecated comment on sign-return-address
3180         function attribute and add mbranch-protection.
3181         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3182
3183 2019-04-03  Richard Biener  <rguenther@suse.de>
3184
3185         PR lto/89896
3186         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3187         the all target phony.
3188
3189 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3190
3191         PR target/89902
3192         PR target/89903
3193         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3194         Return false for variable DImode shifts.
3195         (dimode_scalar_chain::compute_convert_gain): Do not handle
3196         register count operand in variable DImode shifts.
3197         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3198         count argument of a variable shift instruction to a vector register.
3199         (dimode_scalar_chain::convert_reg): Remove support to convert
3200         count argument of a variable shift instruction.
3201
3202 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3203
3204         PR rtl-optimization/84206
3205         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3206         iterating over loop headers.
3207
3208 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3209
3210         PR rtl-optimization/85876
3211         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3212         beyond the original fence.
3213
3214 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3215
3216         * config.gcc: Mark spu* targets as deprecated/obsolete.
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. Remove unused types.
3222         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3223         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3224         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3225         overloaded builtins.
3226         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3227         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3228         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3229         (vec_double, vec_signed, vec_unsigned): Define to use the new
3230         overloaded builtins.
3231         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3232         Remove expanders.
3233
3234 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3235
3236         * config/s390/s390-builtin-types.def: New builtin function type
3237         definitions.
3238         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3239         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3240         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3241         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3242         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3243         constant definitions.
3244         * config/s390/vecintrin.h (vec_search_string_cc)
3245         (vec_search_string_until_zero_cc): New builtin name definitions.
3246         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3247         expanders.
3248         ("vec_vstrs<mode>"): New insn definition.
3249
3250 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3251
3252         * config/s390/s390-builtin-types.def: Add new builtin function
3253         types.
3254         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3255         New overloaded builtins.
3256         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3257         s390_vsrd.
3258         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3259         (UNSPEC_VEC_SLDBYTE): ... this.
3260         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3261         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3262         definitions.
3263         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3264         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3265         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3266
3267 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3268
3269         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3270         New insn definition.
3271         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3272         * config/s390/vector.md (V_HW_HSD): ... here.
3273
3274 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3275
3276         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3277         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3278         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3279         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3280         New insn definitions.
3281
3282 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3283
3284         * config/s390/s390-builtin-types.def: Add new builtin function type.
3285         * config/s390/s390-builtins.def: Add overloaded builtin
3286         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3287         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3288         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3289         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3290         ("eltswap<mode>"): New expander.
3291         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3292         insn definitions.
3293
3294 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3295
3296         * config/s390/s390-builtin-types.def: Add new builtin function types.
3297         * config/s390/s390-builtins.def: Add overloaded builtin
3298         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3299         instructions.
3300         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3301         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3302         ("bswap<mode>"): New expander.
3303         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3304
3305 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3306
3307         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3308         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3309         vector builtin version number in __VEC__.
3310
3311 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3312
3313         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3314         iterators.
3315         (SFSI): New mode attribute.
3316         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3317         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3318         rename to ...
3319         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3320         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3321         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3322         ("floatsi<mode>2"): Add wcefb instruction.
3323
3324 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3325
3326         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3327         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3328         mode iterators.
3329         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3330         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3331         support 32 bit fp-int conversions. Rename to ...
3332         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3333         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3334         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3335         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3336         ... to these.
3337
3338 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3339
3340         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3341         if-then-else constructs if we can use the select instruction.
3342         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3343
3344 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3345
3346         * config/s390/s390.md ("*popcountdi_arch13_cc")
3347         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3348         definition.
3349         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3350         Append _z196 to make it ...
3351         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3352         ("popcounthi2_z196"): ... this.
3353         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3354         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3355
3356 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3357
3358         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3359         certain compares for arch13 in order to make use of the condition
3360         code result produced by the new instructions.
3361         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3362         nxrk, and nxgrk instruction patterns.
3363         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3364         (inv_no): Add new code iterator together with some attributes.
3365         ("*andc_split_<mode>"): Disable splitter for arch13.
3366         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3367         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3368         ("*<ANDOR:bitops_name>c<GPR:mode>")
3369         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3370         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3371         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3372         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3373
3374 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3375
3376         * common/config/s390/s390-common.c (processor_flags_table): New
3377         entry for arch13.
3378         * config.gcc: Support arch13 with the --with-arch= configure flag.
3379         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3380         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3381         * config/s390/s390.c (s390_get_sched_attrmask)
3382         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3383         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3384         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3385         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3386         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3387         definitions.
3388         * config/s390/s390.opt: Support arch13 as processor type in
3389         command line options.
3390
3391 2019-04-02  Martin Liska  <mliska@suse.cz>
3392
3393         PR translation/89912
3394         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3395         Fix param description of graphite-max-arrays-per-scop.
3396
3397 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3398
3399         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3400         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3401         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3402
3403 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3404
3405         PR rtl-optimization/85412
3406         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3407         sel_sched_region_1, not after.
3408
3409 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3410
3411         PR rtl-optimization/86928
3412         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3413         compute_live if necessary.
3414         (sel_redirect_edge_and_branch): Likewise.
3415
3416 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3417
3418         PR rtl-optimization/89865
3419         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3420         register if it is a part of small class.
3421
3422 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3423
3424         PR rtl-optimization/87273
3425         * sel-sched-ir.c (merge_fences): Remove assert.
3426
3427 2019-04-01  Richard Biener  <rguenther@suse.de>
3428
3429         PR tree-optimization/46590
3430         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3431         (dom_walker::m_reachability): Add in place of...
3432         (dom_walker::m_skip_unreachable_blocks): ...this.
3433         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3434         Move complex initialization ...
3435         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3436         lazily and initialize edge flags on each invocation.
3437         (dom_walker::bb_reachable): Use m_reachability.
3438
3439 2019-04-01  Martin Liska  <mliska@suse.cz>
3440
3441         PR driver/89861
3442         * opt-suggestions.c (option_proposer::build_option_suggestions):
3443         Add variant without any argument in order to provide better
3444         hints.
3445
3446 2019-04-01  Richard Biener  <rguenther@suse.de>
3447
3448         PR c/71598
3449         * gimple.c: Include langhooks.h.
3450         (gimple_get_alias_set): Treat enumeral types as the underlying
3451         integer type.
3452
3453 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3454             Eric Botcazou  <ebotcazou@adacore.com>
3455
3456         PR rtl-optimization/89862
3457         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3458         that operates on the full registers for WORD_REGISTER_OPERATIONS
3459         architectures.
3460
3461 2019-03-29  Jim Wilson  <jimw@sifive.com>
3462
3463         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3464         Clear MASK_RVC and then set if C subset supported.
3465
3466 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3467
3468         PR c/89872
3469         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3470         non-addressable complit into its initializer if it is volatile.
3471
3472 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3473
3474         * opts-common.c (integral_argument): Set errno properly in one case.
3475
3476 2019-03-29  Martin Liska  <mliska@suse.cz>
3477
3478         * doc/invoke.texi: Remove -Wchkp from documentation.
3479
3480 2019-03-29  Martin Liska  <mliska@suse.cz>
3481
3482         * dbgcnt.c (print_limit_reach): New function.
3483         (dbg_cnt): Use it.
3484
3485 2019-03-29  Martin Liska  <mliska@suse.cz>
3486
3487         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3488         (dbg_cnt_process_opt): Parse first tokens aas
3489         dbg_cnt_process_single_pair is also using strtok.
3490
3491 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3492
3493         PR rtl-optimization/87485
3494         * function.c (expand_function_end): Move stack_protect_epilogue
3495         before loading of return value into hard register(s).
3496
3497 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3498
3499         PR middle-end/89621
3500         * tree-inline.h (struct copy_body_data): Add
3501         dont_remap_vla_if_no_change flag.
3502         * tree-inline.c (remap_type_3, remap_type_2): New functions.
3503         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
3504         and remap_type_2 returns false.
3505         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
3506         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
3507         only from where it is copied to nested contexts.
3508
3509 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3510
3511         PR target/89865
3512         * config/i386/i386.md (RMW operation with LEA peephole):
3513         Use LEAMODE mode attribute instead of SWI mode iterator for
3514         LEA pattern.
3515
3516 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3517
3518         PR target/89848
3519         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3520         Also process XEXP (src, 0) of a shift insn.
3521
3522 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
3523
3524         PR middle-end/89725
3525         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
3526         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
3527
3528 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3529
3530         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
3531         test.
3532         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
3533         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
3534         immediately after first one with df_analyze in between, but rather
3535         process all bbs, queueing ones that need second pass in a worklist,
3536         df_analyze, process queued debug insn changes and if second pass is
3537         needed, process bbs from worklist, df_analyze, process queued debug
3538         insns again.
3539
3540         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
3541         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
3542         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
3543
3544 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
3545
3546         PR c/79022
3547         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
3548         definition.
3549
3550 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
3551
3552         PR target/85667
3553         * config/i386/i386.c (ix86_function_value_1): Call the newly added
3554         function for 32-bit MS_ABI.
3555         (function_value_ms_32): New function.
3556
3557 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
3558
3559         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
3560         (movdi): Call gen_movdi_symbol_save_scc.
3561         (gen_movdi_symbol_save_scc): New insn and split.
3562
3563 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
3564
3565         PR rtl-optimization/89313
3566         * function.c (matching_constraint_num): New static function.
3567         (match_asm_constraints_1): Use it.  Fixup white space and comment.
3568         Don't replace inputs with non-matching constraints which conflict
3569         with early clobber outputs.
3570
3571 2019-03-27  Jeff Law  <law@redhat.com>
3572
3573
3574         PR rtl-optimization/87761
3575         PR rtl-optimization/89826
3576         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
3577         slightly later.
3578         (pass_cprop_hardreg::execute): Call df_analyze after adding the
3579         note problem to get REG_DEAD/REG_UNUSED notes updated.
3580
3581 2019-03-27  Richard Biener  <rguenther@suse.de>
3582
3583         PR tree-optimization/89463
3584         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
3585         queue edges to remove.
3586         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
3587         dead stmts.  Delay edge removal until PHIs are removed to
3588         make debug-stmt creation not confused by seemingly degenerate
3589         PHIs.
3590
3591 2019-03-27  Alan Modra  <amodra@gmail.com>
3592
3593         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
3594         throughout file.
3595         * config/rs6000/darwin.h: Likewise.
3596         * config/rs6000/rs6000.c: Likewise.
3597
3598 2019-03-27  Alan Modra  <amodra@gmail.com>
3599
3600         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
3601         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
3602
3603 2019-03-26  Andrew Waterman  <andrew@sifive.com>
3604             Jim Wilson  <jimw@sifive.com>
3605
3606         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
3607         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
3608         (generic_idivdi, generic_fmul_single, generic_fmul_double)
3609         (generic_fdiv, generic_fsqrt): Add check for generic tune.
3610         (generic_alu): Add auipc to type list.
3611         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
3612         (riscv_microarchitecture): Declare.
3613         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
3614         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
3615         field.
3616         (riscv_microarchitecture): New.
3617         (sifive_7_tune_info): New.
3618         (riscv_cpu_info_table): Add microarchitecture value for rocket and
3619         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
3620         entries.
3621         (riscv_store_data_bypass_p): New.
3622         (riscv_option_override): Set riscv_microarchitecture from
3623         cpu->microarchitecture.
3624         * config/riscv/riscv.md: Include sifive-7.md.
3625         (type): Add auipc.
3626         (tune): New.
3627         (auipc<mode>): Change type to auipc.
3628         (restore_stack_nonlocal): New.
3629         * config/riscv/sifive-7.md: New.
3630         * doc/invoke.texi (RISC-V Options): Update mtune docs.
3631
3632 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
3633
3634         PR target/89827
3635         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
3636         Also process XEXP (src, 0) of a shift insn.
3637
3638 2019-03-26  Richard Biener  <rguenther@suse.de>
3639
3640         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
3641         (copy_debug_stmt): Likewise.
3642         (expand_call_inline): Likewise.
3643         (copy_bb): Avoid redundant lookup & set of gimple_block.
3644         * gimple-low.c (lower_gimple_return): Likewise.
3645         (lower_builtin_setjmp): Likewise.
3646
3647 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
3648
3649         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
3650         is constant 0, turn into static const data member initialized to false.
3651         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
3652         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
3653
3654 2019-03-26  Jason Merrill  <jason@redhat.com>
3655             Jakub Jelinek  <jakub@redhat.com>
3656
3657         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
3658         method.
3659         (mem_alloc_description::release_object_overhead): Fix comment typos.
3660         * hash-table.h (hash_table::~hash_table): Call
3661         release_instance_overhead only if m_entries is non-NULL, otherwise
3662         call unregister_descriptor.
3663
3664 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
3665
3666         PR tree-optimization/81740
3667         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3668         In case of outer loop vectorization, check for backward dependence
3669         at the inner loop if outer loop dependence is reversed.
3670
3671 2019-03-26  Alan Modra  <amodra@gmail.com>
3672
3673         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
3674         rs6000_vector_mem init.  Correct wI and wJ comment.
3675
3676 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
3677
3678         PR rtl-optimization/88347
3679         PR rtl-optimization/88423
3680         * sched-deps.c (sched_analyze_insn): Take into account that for
3681         tablejumps the barrier appears after a label and a jump_table_data.
3682
3683 2019-03-25  Martin Sebor  <msebor@redhat.com>
3684
3685         PR c/89812
3686         * c-common.c (check_user_alignment): Rename local.  Correct maximum
3687         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
3688         convert it to UHWI when it fits.
3689
3690 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
3691
3692         PR debug/86964
3693         * dwarf2out.c (premark_used_variables): New function.
3694         (prune_unused_types_walk): Do not mark not premarked external
3695         variables.
3696         (prune_unused_types): Call premark_used_variables.
3697
3698 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
3699
3700         PR rtl-optimization/89676
3701         * lra-constraints.c (curr_insn_transform): Do match reload for
3702         early clobbers when the match was successful only for different
3703         registers.
3704
3705 2019-03-25  Martin Sebor  <msebor@redhat.com>
3706
3707         * doc/extend.texi (Common Type Attributes): Document vector_size.
3708         (Common Variable Attributes): Mention size constraint.  Correct
3709         quoting and typos.
3710         (Vector Extensions): Use @dfn when defining bas type.  Clarify
3711         base type and size constraints.
3712
3713 2019-03-25  Richard Biener  <rguenther@suse.de>
3714
3715         PR tree-optimization/89789
3716         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
3717         changes from non-undefined back to undefined.
3718
3719 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
3720
3721         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
3722         heap string and a gc string, but since this variable is unknown to
3723         ggc the gc string might get reused and corrupted. Fixed by always
3724         using a heap string.
3725
3726 2019-03-25  Richard Biener  <rguenther@suse.de>
3727
3728         PR tree-optimization/89779
3729         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
3730         to remove IV defs, delay actual removal.
3731         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
3732         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
3733         very end, properly also reset loop control IV information.
3734
3735 2019-03-25  Richard Biener  <rguenther@suse.de>
3736
3737         PR tree-optimization/89802
3738         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
3739         move EH data to folded stmt.
3740
3741 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3742
3743         * config/s390/s390-builtin-types.def: Remove few unused types and
3744         fix sort order for others.
3745
3746 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3747
3748         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
3749         expected and found types with -mdebug during builtin matching.
3750
3751 2019-03-25  Richard Biener  <rguenther@suse.de>
3752
3753         PR middle-end/89790
3754         * fold-const.c (operand_equal_p): Revert last change with
3755         updated comment.
3756
3757 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
3758
3759         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
3760         notes for the result of the __tls_get_addr calls.
3761         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
3762
3763 2019-03-24  Jeff Law  <law@redhat.com>
3764
3765         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
3766
3767         PR rtl-optimization/87761
3768         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
3769         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
3770         as needed.
3771         (pass_cprop_hardreg::execute): Add df note problem and defer insn
3772         rescans.  Reprocess blocks as needed, calling df_analyze before
3773         reprocessing.  Always call df_analyze before fixing up debug bind
3774         insns.
3775
3776 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
3777
3778         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
3779         big endian.
3780
3781 2019-03-22  Andrew Pinski  <apinski@marvell.com>
3782
3783         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
3784         attrribute for uxtw.
3785
3786 2019-03-26  Jeff Law  <law@redhat.com>
3787
3788         PR rtl-optimization/87761
3789         * config/mips/mips-protos.h (mips_split_move): Add new argument.
3790         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
3791         (mips_split_move): Accept new INSN argument.  Try to forward SRC
3792         into the next instruction.
3793         (mips_split_move_insn): Pass INSN through to mips_split_move.
3794
3795 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
3796
3797         PR rtl-optimization/89676
3798         * lra-constraints.c (curr_insn_transform): Do match reload for
3799         early clobbers even if the match was successful.
3800
3801 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3802
3803         PR c++/87481
3804         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
3805
3806 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
3807
3808         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
3809
3810 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3811
3812         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
3813         <avx512>_fmsub_<mode>_mask3<round_name>,
3814         <avx512>_fnmadd_<mode>_mask3<round_name>,
3815         <avx512>_fnmsub_<mode>_mask3<round_name>,
3816         avx512f_vmfmadd_<mode>_mask3<round_name>,
3817         avx512f_vmfmsub_<mode>_mask3<round_name>,
3818         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
3819         instead of register_operand and %v instead of v for match_operand 1.
3820         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
3821         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
3822         <round_nimm_predicate> instead of register_operand and %v instead of v
3823         for match_operand 1.
3824
3825         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
3826         <avx512>_fmadd_<mode>_mask3<round_name>,
3827         <avx512>_fmsub_<mode>_mask<round_name>,
3828         <avx512>_fmsub_<mode>_mask3<round_name>,
3829         <avx512>_fnmadd_<mode>_mask<round_name>,
3830         <avx512>_fnmadd_<mode>_mask3<round_name>,
3831         <avx512>_fnmsub_<mode>_mask<round_name>,
3832         <avx512>_fnmsub_<mode>_mask3<round_name>,
3833         <avx512>_fmaddsub_<mode>_mask<round_name>,
3834         <avx512>_fmaddsub_<mode>_mask3<round_name>,
3835         <avx512>_fmsubadd_<mode>_mask<round_name>,
3836         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
3837         <round_nimm_predicate> instead of nonimmediate_operand.
3838         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
3839         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
3840         Use register_operand instead of <round_nimm_predicate> for the
3841         operand that needs to match output.
3842         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
3843         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
3844         Likewise.  Formatting fixes.
3845
3846         PR target/89784
3847         * config/i386/i386.c (enum ix86_builtins): Remove
3848         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
3849         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
3850         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
3851         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
3852         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
3853         __builtin_ia32_vfmsubss3_mask3): New builtins.
3854         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
3855         avx512f_vmfmadd_<mode>_mask3<round_name>,
3856         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
3857         *avx512f_vmfmsub_<mode>_mask<round_name>,
3858         avx512f_vmfmsub_<mode>_mask3<round_name>,
3859         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
3860         *avx512f_vmfnmadd_<mode>_mask<round_name>,
3861         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
3862         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
3863         *avx512f_vmfnmsub_<mode>_mask<round_name>,
3864         avx512f_vmfnmsub_<mode>_mask3<round_name>,
3865         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
3866         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
3867         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
3868         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
3869         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
3870         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
3871         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
3872         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
3873         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
3874         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
3875         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
3876         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
3877         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
3878         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
3879         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
3880         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
3881         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
3882         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
3883         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
3884         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
3885         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
3886         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
3887
3888 2019-03-21  Martin Sebor  <msebor@redhat.com>
3889
3890         PR tree-optimization/89350
3891         * builtins.c (compute_objsize): Also ignore offsets whose upper
3892         bound is negative.
3893         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
3894         (builtin_memref::builtin_memref): Initialize new member.
3895         Allow EXPR to be null.
3896         (builtin_memref::extend_offset_range): Replace local with a member.
3897         Avoid assuming pointer offsets are unsigned.
3898         (builtin_memref::set_base_and_offset): Determine base object
3899         before computing offset range.
3900         (builtin_access::builtin_access): Handle memset.
3901         (builtin_access::generic_overlap): Replace local with a member.
3902         (builtin_access::strcat_overlap): Same.
3903         (builtin_access::overlap): Same.
3904         (maybe_diag_overlap): Same.
3905         (maybe_diag_access_bounds): Same.
3906         (wrestrict_dom_walker::check_call): Handle memset.
3907         (check_bounds_or_overlap): Same.
3908
3909 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
3910             Jakub Jelinek  <jakub@redhat.com>
3911
3912         PR lto/89692
3913         * tree.c (fld_type_variant, fld_incomplete_type_of,
3914         fld_process_array_type): Call fld->pset.add and don't call
3915         add_tree_to_fld_list if it returns true.
3916         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
3917         non-marked types from TYPE_NEXT_VARIANT list.
3918         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
3919
3920 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
3921
3922         * hash-table.h (hash_table): Add Lazy template parameter defaulted
3923         to false, if true, don't alloc_entries during construction, but defer
3924         it to the first method that needs m_entries allocated.
3925         (hash_table::hash_table, hash_table::~hash_table,
3926         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
3927         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
3928         hash_table::clear_slot, hash_table::traverse_noresize,
3929         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
3930         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
3931         false.
3932         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
3933         NO_INSERT instead of find_with_hash.
3934         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
3935         hash_set::m_table): Add Lazy to template params of hash_table.
3936         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
3937         * attribs.c (test_attribute_exclusions): Likewise.
3938         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
3939         hash_set.  Add tests for hash_set with Lazy = true.
3940
3941 2019-03-21  Richard Biener  <rguenther@suse.de>
3942
3943         PR tree-optimization/89779
3944         * tree.c (tree_nop_conversion): Consolidate and fix defensive
3945         checks with respect to released SSA names now having error_mark_node
3946         type.
3947         * fold-const.c (operand_equal_p): Likewise.
3948
3949 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
3950
3951         PR target/89775
3952         * config/s390/s390.c (global_not_special_regno_p): Move to make it
3953         available to ...
3954         (s390_optimize_register_info): Use global_not_special_regno_p to
3955         check for global regs.
3956
3957 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
3958
3959         PR target/89752
3960         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
3961         update this_alternative nor this_alternative_set.
3962
3963 2019-03-19  Jim Wilson  <jimw@sifive.com>
3964
3965         PR target/89411
3966         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
3967         align, size, offset.  Use them to handle a BLKmode reference.  Update
3968         comment.
3969         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
3970
3971 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
3972
3973         PR rtl-optimization/89768
3974         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
3975         instead of GEN_INT.
3976         (unroll_loop_runtime_iterations): Likewise.
3977
3978 2019-03-19  Martin Sebor  <msebor@redhat.com>
3979
3980         PR tree-optimization/89644
3981         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
3982         rather than endptr as an indicator of nul-termination.
3983
3984         PR tree-optimization/89644
3985         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
3986         arrays in determining sequence sizes in strncpy and stpncpy.
3987
3988 2019-03-19  Martin Liska  <mliska@suse.cz>
3989
3990         PR middle-end/89737
3991         * predict.c (combine_predictions_for_bb): Empty likely_edges and
3992         unlikely_edges if there's an edge that belongs to both these sets.
3993
3994 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
3995
3996         PR target/89746
3997         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
3998         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
3999         go via a stack temporary.
4000
4001 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4002
4003         PR target/89378
4004         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4005         instead of gen_rtx_SUBREG.
4006         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4007
4008 2019-03-19  Richard Biener  <rguenther@suse.de>
4009
4010         PR debug/88389
4011         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4012
4013 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4014
4015         PR lto/87809
4016         PR lto/89335
4017         * tree.c (free_lang_data_in_decl): Do not free context of C++
4018         destrutors.
4019
4020 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4021
4022         PR target/89506
4023         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4024         subs for the first alternative except when operands[3] is 1.
4025
4026         PR target/89752
4027         * gimplify.c (gimplify_asm_expr): For output argument with
4028         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4029         diagnose error.
4030
4031 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4032
4033         PR rtl-optimization/89753
4034         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4035         explicit unrolling factor even more robust.
4036
4037 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4038
4039         PR target/89726
4040         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4041         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4042         signed zeros, do another copysign after the compensation.
4043
4044 2019-03-18  Martin Sebor  <msebor@redhat.com>
4045
4046         PR tree-optimization/89720
4047         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4048         more conservatively, the same as anti-range.
4049
4050 2019-03-18  Richard Biener  <rguenther@suse.de>
4051
4052         PR middle-end/88945
4053         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4054         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4055         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4056         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4057
4058 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4059
4060         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4061         Extend queue to 1024 entries.
4062         Add "consumed" field.
4063         (gomp_print_output): Remove print_index parameter.
4064         Add final parameter.
4065         Change limit to unsigned.
4066         Use consumed field to implement circular buffer.
4067         Detect interrupted print in final pass.
4068         Flush output at the end.
4069         (run): Update gomp_print_output usage.
4070         (main): Initialize kernargs->output_data.consumed.
4071
4072 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4073
4074         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4075         calculation of the minimum number of scalar iterations for
4076         fully-predicated loops.
4077
4078 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4079
4080         PR tree-optimization/89546
4081         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4082         any propagation to its children took place.
4083
4084 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4085
4086         PR target/89627
4087         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4088         parameter, and make use of it.
4089         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4090
4091 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4092
4093         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4094         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4095         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4096         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4097         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4098         match what the ops is doing.
4099         (push_multi_fp_blink): Likewise.
4100         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4101         compiling for size and elf target.
4102         (arc_save_callee_enter): Adjust note to match what enter/leave
4103         operation does.
4104
4105 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4106
4107         * config/arc/arc.md (tst_movb): Fix constraint.
4108
4109 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4110
4111         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4112
4113 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4114
4115         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4116         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4117         reg_alloc_order references.
4118         (size_alloc_order): Define.
4119         (arc_adjust_reg_alloc_order): New function.
4120         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4121         order.
4122         (ADJUST_REG_ALLOC_ORDER): Define.
4123         (HONOR_REG_ALLOC_ORDER): Likewise.
4124
4125 2019-03-18  Richard Biener  <rguenther@suse.de>
4126
4127         PR target/87561
4128         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4129         loads and stores a bit more.
4130
4131 2019-03-18  Richard Biener  <rguenther@suse.de>
4132
4133         PR target/87561
4134         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4135         load pessimization to stores as well.
4136
4137 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4138
4139         PR middle-end/86979
4140         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4141         successor, use NULL as its av set.
4142
4143 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4144
4145         PR rtl-optimization/89721
4146         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4147
4148 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4149
4150         PR target/87532
4151         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4152         When handling vec_extract, use modular arithmetic to allow
4153         constant selectors greater than vector length.
4154         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4155         V1TImode vectors to have constant selector values greater than 0.
4156         Use modular arithmetic to compute vector index.
4157         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4158         index for in-memory vectors.  Correct code generation for
4159         in-register vectors.
4160         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4161         compute index.
4162
4163 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4164
4165         PR c++/88534
4166         PR c++/88537
4167         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4168         VAR_DECL args.
4169
4170 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4171
4172         PR c++/89709
4173         * tree.c (inchash::add_expr): Strip any location wrappers.
4174         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4175         after hash verification.
4176
4177         PR debug/89704
4178         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4179         SIGN_EXTEND and ZERO_EXTEND.
4180
4181 2019-03-14  Jason Merrill  <jason@redhat.com>
4182             Jakub Jelinek  <jakub@redhat.com>
4183
4184         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4185         than if is_empty (*slot).
4186         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4187         existing elt and for elt removal.
4188         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4189         of already removed elt.
4190
4191 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4192
4193         PR target/89650
4194         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4195         REG_EH_REGION note.
4196
4197 2019-03-14  Martin Liska  <mliska@suse.cz>
4198
4199         PR other/89712
4200         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4201
4202 2019-03-14  Richard Biener  <rguenther@suse.de>
4203
4204         PR target/89711
4205         * config/i386/i386.c (make_resolver_func): Properly set
4206         DECL_CONTEXT on the RESULT_DECL.
4207         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4208
4209 2019-03-14  Richard Biener  <rguenther@suse.de>
4210
4211         * gimple-pretty-print.c: Include cfgloop.h.
4212         (dump_gimple_phi): Adjust.
4213         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4214         (pp_cfg_jump): Adjust.
4215         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4216         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4217         (lower_phi_internal_fn): Remove.
4218         (verify_gimple_call): Remove IFN_PHI special-casing.
4219         (dump_function_to_file): Dump IL state.
4220         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4221         done to deal with PHI nodes being present in non-SSA state.
4222
4223 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4224
4225         PR ipa/89684
4226         * multiple_target.c (create_dispatcher_calls): Change
4227         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4228         In the node->iterate_referring loop, push *ref rather than ref, call
4229         ref->remove_reference () and always pass 0 to iterate_referring.
4230
4231         PR rtl-optimization/89679
4232         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4233         would contain a paradoxical SUBREG.
4234
4235 2019-03-14  Richard Biener  <rguenther@suse.de>
4236
4237         PR tree-optimization/89710
4238         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4239         safe_dyn_cast.
4240
4241 2019-03-14  Martin Liska  <mliska@suse.cz>
4242
4243         * coverage.c (coverage_begin_function): Stream also
4244         end_column.
4245         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4246         documentation about function declaration location.
4247         * gcov-dump.c (tag_function): Print whole range
4248         of function declaration.
4249         * gcov.c (struct function_info): Add end_column field.
4250         (function_info::function_info): Initialize it.
4251         (output_json_intermediate_file): Output {start,end}_column
4252         fields.
4253         (read_graph_file): Read end_column.
4254
4255 2019-03-14  Richard Biener  <rguenther@suse.de>
4256
4257         PR middle-end/89698
4258         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4259         that the access types are similar.
4260
4261 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4262
4263         PR tree-optimization/89703
4264         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4265         aren't compatible also with builtin_decl_explicit.  Check pure
4266         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4267         and BUILT_IN_STPNCPY{,_CHK}.
4268
4269 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4270
4271         PR target/89523
4272         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4273         addr32 prefix to VSIB address for X32.
4274         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4275         "%M2" to opcode.
4276         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4277         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4278         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4279         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4280         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4281         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4282         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4283         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4284         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4285         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4286         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4287         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4288         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4289         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4290         (*avx512f_scatterdi<mode>): Likewise.
4291
4292 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4293
4294         PR target/85860
4295         * lra-constraints.c (inherit_in_ebb): Update
4296         potential_reload_hard_regs along with live_hard_regs.
4297
4298 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4299
4300         PR debug/89498
4301         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4302         DWARF_OFFSET_SIZE.
4303         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4304
4305 2019-03-13  Martin Sebor  <msebor@redhat.com>
4306
4307         PR tree-optimization/89662
4308         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4309         has a size.
4310
4311 2019-03-13  Richard Biener  <rguenther@suse.de>
4312
4313         PR middle-end/89677
4314         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4315         throw FP expressions at tree-affine.
4316
4317 2019-03-14  Richard Biener  <rguenther@suse.de>
4318
4319         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4320         dump negative integer constants using _Literal (type) -num.
4321
4322 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4323
4324         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4325         nonlocal_value member.
4326
4327         PR middle-end/88588
4328         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4329         (ipa_simd_modify_function_body): Handle PHIs.
4330
4331 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4332
4333         * config/s390/s390.c (s390_option_override_internal): Use more
4334         aggressive inlining parameters.
4335
4336 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4337
4338         * config/s390/3906.md: New file.
4339         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4340         (LONGRUNNING_THRESHOLD): Remove.
4341         (MAX_SCHED_MIX_SCORE): Decrease.
4342         (MAX_SCHED_MIX_DISTANCE): Decrease.
4343         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4344         (struct s390_sched_state): New struct to hold scheduling state.
4345         (S390_SCHED_STATE_NORMAL): Remove.
4346         (S390_SCHED_STATE_CRACKED): Remove.
4347         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4348         (s390_get_sched_attrmask): Use new attribute.
4349         (s390_get_unit_mask): Use new units.
4350         (s390_is_fpd): New function.
4351         (s390_is_fxd): New function.
4352         (s390_is_longrunning): New function.
4353         (s390_sched_score): Use new functions.
4354         (s390_sched_reorder): Likewise.
4355         (s390_sched_variable_issue): Rework and use new functions.
4356         (s390_sched_init): Use new functions.
4357         * config/s390/s390.h (s390_tune_attr):  Add z14.
4358         * config/s390/s390.md: Add z14.
4359
4360 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4361
4362         * config/s390/2964.md: Update pipeline description.
4363         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4364         (LONGRUNNING_THRESHOLD): Remove.
4365         (LATENCY_FACTOR): Remove.
4366         (s390_get_unit_mask): Add unit.
4367         (s390_sched_score): Use fxd/fpd.
4368         (s390_sched_variable_issue): Use fxd/fpd.
4369
4370 2019-03-12  Martin Liska  <mliska@suse.cz>
4371
4372         * config/i386/i386.c: Reword an error message.
4373
4374 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4375
4376         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4377         terminate with newline.
4378
4379 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4380
4381         PR target/52726
4382         * config/s390/s390.md (tabort): Use %wd instead of
4383         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4384         letters and periods.
4385         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4386         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4387         's with %< and %>.
4388
4389         PR middle-end/89663
4390         * builtins.c (expand_builtin_int_roundingfn,
4391         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4392         gcc_unreachable if validate_arglist fails.
4393
4394 2019-03-12  Richard Biener  <rguenther@suse.de>
4395
4396         PR tree-optimization/89664
4397         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4398         free the occurance tree after the early out.
4399
4400 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4401
4402         PR middle-end/89655
4403         PR bootstrap/89656
4404         * vr-values.c (vr_values::update_value_range): If
4405         old_vr->varying_p (), don't update it, make new_vr also VARYING
4406         and return false.
4407
4408 2019-03-11  Martin Liska  <mliska@suse.cz>
4409
4410         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4411         Fix double string quoting.
4412
4413 2019-03-11  Martin Liska  <mliska@suse.cz>
4414
4415         * collect-utils.c (collect_wait): Wrap apostrophes
4416         in gcc internal format with %'.
4417         * collect2.c (main): Likewise.
4418         (scan_prog_file): Likewise.
4419         (scan_libraries): Likewise.
4420         * config/i386/i386.c (ix86_expand_call): Likewise.
4421         (ix86_handle_interrupt_attribute): Likewise.
4422         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4423         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4424         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4425         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4426         * symtab.c (symtab_node::verify_base): Likewise.
4427         * tree-cfg.c (verify_gimple_label): Likewise.
4428         * tree.c (verify_type_variant): Likewise.
4429
4430 2019-03-11  Martin Liska  <mliska@suse.cz>
4431
4432         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4433         in a string format message and fix GNU coding style.
4434         (expand_builtin_set_thread_pointer): Likewise.
4435         * common/config/aarch64/aarch64-common.c
4436         (aarch64_rewrite_selected_cpu): Likewise.
4437         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4438         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4439         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4440         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4441         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4442         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4443         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4444         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4445         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4446         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4447         Likewise.
4448         * common/config/riscv/riscv-common.c
4449         (riscv_subset_list::parsing_subset_version): Likewise.
4450         (riscv_subset_list::parse_std_ext): Likewise.
4451         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4452         (riscv_subset_list::parse): Likewise.
4453         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4454         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4455         (aarch64_override_options_internal): Likewise.
4456         (aarch64_validate_mcpu): Likewise.
4457         (aarch64_validate_march): Likewise.
4458         (aarch64_validate_mtune): Likewise.
4459         (aarch64_override_options): Likewise.
4460         * config/alpha/alpha.c (alpha_option_override): Likewise.
4461         * config/arc/arc.c (arc_init): Likewise.
4462         (parse_mrgf_banked_regs_option): Likewise.
4463         (arc_override_options): Likewise.
4464         (arc_expand_builtin_aligned): Likewise.
4465         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4466         (arm_expand_builtin): Likewise.
4467         * config/arm/arm.c (arm_option_check_internal): Likewise.
4468         (arm_configure_build_target): Likewise.
4469         (arm_option_override): Likewise.
4470         (arm_options_perform_arch_sanity_checks): Likewise.
4471         (arm_handle_cmse_nonsecure_entry): Likewise.
4472         (arm_handle_cmse_nonsecure_call): Likewise.
4473         (arm_tls_referenced_p): Likewise.
4474         (thumb1_expand_prologue): Likewise.
4475         * config/avr/avr.c (avr_option_override): Likewise.
4476         * config/bfin/bfin.c (bfin_option_override): Likewise.
4477         * config/c6x/c6x.c (c6x_option_override): Likewise.
4478         * config/cr16/cr16.c (cr16_override_options): Likewise.
4479         * config/cris/cris.c (cris_option_override): Likewise.
4480         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4481         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4482         * config/darwin.c (darwin_override_options): Likewise.
4483         * config/frv/frv.c (frv_expand_builtin): Likewise.
4484         * config/h8300/h8300.c (h8300_option_override): Likewise.
4485         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4486         (ix86_option_override_internal): Likewise.
4487         (warn_once_call_ms2sysv_xlogues): Likewise.
4488         (ix86_expand_prologue): Likewise.
4489         (split_stack_prologue_scratch_regno): Likewise.
4490         (ix86_warn_parameter_passing_abi): Likewise.
4491         * config/ia64/ia64.c (fix_range): Likewise.
4492         * config/m68k/m68k.c (m68k_option_override): Likewise.
4493         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4494         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4495         (mips_set_compression_mode): Likewise.
4496         * config/mmix/mmix.c (mmix_option_override): Likewise.
4497         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4498         * config/msp430/msp430.c (msp430_option_override): Likewise.
4499         * config/nds32/nds32.c (nds32_option_override): Likewise.
4500         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
4501         (nios2_option_override): Likewise.
4502         (nios2_expand_custom_builtin): Likewise.
4503         * config/nvptx/mkoffload.c (main): Likewise.
4504         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
4505         * config/pa/pa.c (fix_range): Likewise.
4506         (pa_option_override): Likewise.
4507         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
4508         (riscv_option_override): Likewise.
4509         * config/rl78/rl78.c (rl78_option_override): Likewise.
4510         * config/rs6000/aix61.h: Likewise.
4511         * config/rs6000/aix71.h: Likewise.
4512         * config/rs6000/aix72.h: Likewise.
4513         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
4514         * config/rs6000/freebsd64.h: Likewise.
4515         * config/rs6000/linux64.h: Likewise.
4516         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
4517         (rs6000_expand_zeroop_builtin): Likewise.
4518         (rs6000_expand_mtfsb_builtin): Likewise.
4519         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
4520         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
4521         (rs6000_invalid_builtin): Likewise.
4522         (rs6000_expand_split_stack_prologue): Likewise.
4523         * config/rs6000/rtems.h: Likewise.
4524         * config/rx/rx.c (valid_psw_flag): Likewise.
4525         (rx_expand_builtin): Likewise.
4526         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
4527         * config/s390/s390.c (s390_expand_builtin): Likewise.
4528         (s390_function_profiler): Likewise.
4529         (s390_option_override_internal): Likewise.
4530         (s390_option_override): Likewise.
4531         * config/sh/sh.c (sh_option_override): Likewise.
4532         (sh_builtin_saveregs): Likewise.
4533         (sh_fix_range): Likewise.
4534         * config/sh/vxworks.h: Likewise.
4535         * config/sparc/sparc.c (sparc_option_override): Likewise.
4536         * config/spu/spu.c (spu_option_override): Likewise.
4537         (fix_range): Likewise.
4538         * config/visium/visium.c (visium_option_override): Likewise.
4539         (visium_handle_interrupt_attr): Likewise.
4540         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
4541         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
4542         (dbg_cnt_process_opt): Likewise.
4543         * dwarf2out.c (output_dwarf_version): Likewise.
4544         * except.c (expand_eh_return): Likewise.
4545         * gcc.c (defined): Likewise.
4546         (driver_handle_option): Likewise.
4547         (process_command): Likewise.
4548         (compare_files): Likewise.
4549         (driver::prepare_infiles): Likewise.
4550         (driver::do_spec_on_infiles): Likewise.
4551         (driver::maybe_run_linker): Likewise.
4552         * omp-offload.c (oacc_parse_default_dims): Likewise.
4553         * opts-global.c (handle_common_deferred_options): Likewise.
4554         * opts.c (parse_sanitizer_options): Likewise.
4555         (common_handle_option): Likewise.
4556         (enable_warning_as_error): Likewise.
4557         * passes.c (enable_disable_pass): Likewise.
4558         * plugin.c (parse_plugin_arg_opt): Likewise.
4559         (default_plugin_dir_name): Likewise.
4560         * targhooks.c (default_expand_builtin_saveregs): Likewise.
4561         (default_pch_valid_p): Likewise.
4562         * toplev.c (init_asm_output): Likewise.
4563         (process_options): Likewise.
4564         (toplev::run_self_tests): Likewise.
4565         * tree-cfg.c (verify_gimple_call): Likewise.
4566         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
4567         (tree_inlinable_function_p): Likewise.
4568         * var-tracking.c (vt_find_locations): Likewise.
4569
4570 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
4571
4572         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
4573         only on the else branch.
4574
4575 2019-03-11  Martin Liska  <mliska@suse.cz>
4576
4577         * gcov.c (output_intermediate_json_line): Print function
4578         name of each line.
4579         (output_json_intermediate_file): Add new argument.
4580         * doc/gcov.texi: Document the change.
4581
4582 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
4583
4584         PR rtl-optimization/89588
4585         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4586         explicit unrolling factor more robust.
4587
4588 2019-03-11  Richard Biener  <rguenther@suse.de>
4589
4590         PR tree-optimization/89649
4591         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
4592         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
4593         on the prolog and epilog loops.
4594         (vect_loop_versioning): Return copy of loop.
4595         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
4596         on the non-vectorized version of the loop.
4597
4598 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
4599
4600         PR target/68924
4601         * config/i386/sse.md (*vec_extractv2di_0_sse):
4602         Add (=r,x) alternative and corresponding splitter.
4603
4604 2019-03-10  Martin Jambor  <mjambor@suse.cz>
4605
4606         PR tree-optimization/85762
4607         PR tree-optimization/87008
4608         PR tree-optimization/85459
4609         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
4610         it points to if there is a type changing MEM_REF.  Adjust all callers.
4611         (build_accesses_from_assign): Disable total scalarization if
4612         contains_vce_or_bfcref_p returns true through the new parameter, for
4613         both rhs and lhs.
4614
4615 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
4616
4617         PR c/88568
4618         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
4619         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
4620
4621         PR target/79645
4622         * common.opt (fdiagnostics-show-labels,
4623         fdiagnostics-show-line-numbers, fdiagnostics-format=,
4624         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
4625         gas-locview-support, ginline-points, ginternal-reset-location-views):
4626         Terminate description text with a dot.
4627         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
4628         * config/mcore/mcore.opt (m210, m340): Likewise.
4629         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
4630         mnops=): Start description text with a capital letter.
4631         * config/arc/arc.opt (msize-level=): Likewise.
4632         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
4633         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
4634         mnewlib): Likewise.
4635         * config/ft32/ft32.opt (msim): Likewise.
4636         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
4637         (mnodiv, mnopm): Terminate description text with a dot.
4638         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
4639         a colon.
4640         * config/i386/i386.opt (prefer_vector_width, instrument_return):
4641         Likewise.
4642         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
4643         text.
4644
4645         PR rtl-optimization/89634
4646         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
4647         are modified in BB_END (e->src) instruction.
4648
4649 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
4650
4651         PR target/79926
4652         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
4653         messages more amenable to translation, and improve wording.
4654
4655 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
4656
4657         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
4658         ud- and du-chains between phases.
4659
4660 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
4661
4662         PR debug/89631
4663         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
4664         instead of POLY_INT_CST.
4665
4666 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4667
4668         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
4669         requirement.
4670
4671 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
4672
4673         PR target/68924
4674         PR target/78782
4675         PR target/87558
4676         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
4677         (_mm_storeu_si64): Ditto.
4678
4679 2019-03-08  Martin Liska  <mliska@suse.cz>
4680
4681         PR target/86952
4682         * config/i386/i386.c (ix86_option_override_internal): Disable
4683         jump tables when retpolines are used.
4684
4685 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
4686
4687         PR go/63560
4688         * ipa-split.c (execute_split_functions): Do not split
4689         'noinline' or 'section' function.
4690
4691 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4692
4693         PR target/79846
4694         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
4695         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
4696         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
4697
4698         PR ipa/80000
4699         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4700         from diagnostics.  Formatting fixes.
4701
4702         PR target/85665
4703         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
4704         warn_odr diagnostics.
4705
4706         PR other/80058
4707         * lra-constraints.c (process_alt_operands): Avoid one space before
4708         " at the end of line and another after " on another line in a string
4709         literal.
4710         * attribs.c (handle_dll_attribute): Likewise.
4711         * config/avr/avr-devices.c (avr_texinfo): Likewise.
4712
4713         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
4714         warning_at or inform messages in G_() if there is no ?:.
4715
4716         PR tree-optimization/89550
4717         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
4718         returned true.  Formatting fixes.
4719         (expand_builtin_strnlen): Formatting fixes.
4720         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
4721         if warning_at returned true.
4722         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
4723
4724 2019-03-08  Richard Biener  <rguenther@suse.de>
4725
4726         PR middle-end/89578
4727         * cfgloop.h (struct loop): Add owned_clique field.
4728         * cfgloopmanip.c (copy_loop_info): Copy it.
4729         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
4730         cliques.
4731         * tree-inline.c (copy_loops): Remap owned_clique.
4732         * lto-streamer-in.c (input_cfg): Stream owned_clique.
4733         * lto-streamer-out.c (output_cfg): Likewise.
4734
4735 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4736
4737         PR target/80190
4738         * config/darwin.c: Include intl.h.
4739         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
4740         composing the message out of two separate parts.
4741
4742 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4743
4744         PR target/80003
4745         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
4746         doesn't start with a capital letter and doesn't end with a dot.
4747         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
4748         with a capital letter.
4749         (ix86_mangle_function_version_assembler_name): Likewise.
4750         (ix86_generate_version_dispatcher_body): Likewise.
4751         (fold_builtin_cpu): Likewise.
4752         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
4753         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
4754         translators, wrap full type name in %qs.
4755
4756         PR translation/79999
4757         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
4758         depend clause with source (or sink) modifier.
4759         * omp-expand.c (expand_omp_ordered_sink): Likewise.
4760
4761         PR target/89602
4762         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
4763         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
4764         (avx512f_load<mode>_mask): New define_expand.
4765         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
4766         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
4767         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
4768         __builtin_ia32_movess_mask): New builtins.
4769         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
4770         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
4771         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
4772         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
4773
4774 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4775
4776         PR lto/87525
4777         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
4778         for extern inline functions.
4779
4780 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4781
4782         PR ipa/88235
4783         * cgraph.h (cgraph_node): New inline method former_thunk_p.
4784         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
4785         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
4786         have multiple callees.  At the end check if declarations match as
4787         opposed to cgraph_nodes.
4788
4789 2019-03-07  Martin Liska  <mliska@suse.cz>
4790
4791         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
4792         which is equivalent to searching for this in clones chain.
4793         * symtab.c (symtab_node::verify_base): Similarly compare ASM
4794         names with a neighbour and special case first node in a chain.
4795
4796 2019-01-25  Jason Merrill  <jason@redhat.com>
4797
4798         PR c++/80916 - spurious "static but not defined" warning.
4799         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
4800         for an internal symbol with DECL_EXTERNAL.
4801
4802 2019-04-07  Richard Biener  <rguenther@suse.de>
4803
4804         PR middle-end/89618
4805         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
4806         * tree-inline.c (copy_loops): Simplify.
4807
4808 2019-03-07  Martin Liska  <mliska@suse.cz>
4809
4810         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
4811
4812 2019-03-07  Richard Biener  <rguenther@suse.de>
4813
4814         PR tree-optimization/89595
4815         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
4816         stmt iterator as reference, take boolean output parameter to
4817         indicate whether the stmt was removed and thus the iterator
4818         already advanced.
4819         (dom_opt_dom_walker::before_dom_children): Re-iterate over
4820         stmts created by folding.
4821
4822 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4823
4824         PR c++/89585
4825         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
4826         at toplevel.
4827
4828 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
4829
4830         PR rtl-optimization/88845
4831         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
4832         LRA.
4833         * lra.c (remove_scratches_1): New function.
4834         (remove_scratches): Use it.
4835         (lra_emit_move): Likewise.
4836
4837 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
4838
4839         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
4840         unaligned_access variable.
4841         * config/arc/arc.c (arc_override_options): Set unaligned access
4842         default on for HS CPUs.
4843         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
4844
4845 2019-03-06  Martin Liska  <mliska@suse.cz>
4846
4847         PR gcov-profile/89577
4848         * doc/gcov.texi: Prefer to use --coverage.
4849         * doc/sourcebuild.texi: Likewise.
4850
4851 2019-03-02  Jason Merrill  <jason@redhat.com>
4852
4853         PR c++/86485 - -Wmaybe-unused with empty class ?:
4854         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
4855
4856 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4857
4858         PR target/89587
4859         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
4860         if_multiarch.
4861
4862         PR middle-end/89590
4863         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
4864         exactly one argument.
4865
4866 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4867             Richard Sandiford  <richard.sandiford@arm.com>
4868
4869         PR tree-optimization/89570
4870         * match.pd (vec_cond into cond_op simplification): Don't use
4871         get_conditional_internal_fn, use as_internal_fn (cond_op).
4872
4873 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
4874
4875         PR target/89222
4876         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
4877         to decide when to split off a non-zero offset from a symbol.
4878         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
4879         in function symbols.
4880
4881 2019-03-05  Richard Biener  <rguenther@suse.de>
4882
4883         PR tree-optimization/89594
4884         * tree-if-conv.c (pass_if_conversion::execute): Handle
4885         case where .LOOP_VECTORIZED_FUNCTION was removed.
4886
4887 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4888
4889         PR bootstrap/89560
4890         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
4891         instead alloca it only when needed with the needed size.
4892
4893         PR tree-optimization/89570
4894         * match.pd (vec_cond into cond_op simplification): Guard with
4895         vectorized_internal_fn_supported_p test and #if GIMPLE.
4896
4897         PR tree-optimization/89566
4898         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
4899         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
4900         Punt if get_user_idx_format succeeds, but idx_format argument is
4901         not provided or doesn't have pointer type, or if idx_args is above
4902         number of provided arguments.
4903
4904 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
4905
4906         PR tree-optimization/89437
4907         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
4908
4909 2019-03-04  Richard Biener  <rguenther@suse.de>
4910
4911         PR middle-end/89572
4912         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
4913         safe_dyn_cast.
4914
4915 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
4916
4917         PR tree-optimization/89487
4918         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
4919         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
4920         (distribute_loop): Don't do runtime alias check if there is non-
4921         addressable data reference.
4922         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
4923         is a register variable.
4924
4925 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
4926
4927         PR target/89506
4928         * config/arm/arm.md (cmpsi2_addneg): Use
4929         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
4930         If operands[2] is 0 or INT_MIN, force use of subs.
4931         (*compare_scc splitter): Use gen_int_mode.
4932         (*negscc): Likewise.
4933         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
4934
4935 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
4936             Monk Chiang  <sh.chiang04@gmail.com>
4937
4938         * common/config/riscv/riscv-common.c: Include sstream.
4939         (riscv_subset_list::to_string): New.
4940         (riscv_arch_str): Likewise.
4941         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
4942         * config.in: Regen.
4943         * config/riscv/riscv-protos.h (riscv_arch_str): New.
4944         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
4945         (riscv_emit_attribute): New.
4946         (riscv_file_start): Emit attribute if needed.
4947         (riscv_option_override): Init riscv_emit_attribute_p.
4948         * config/riscv/riscv.opt (mriscv-attribute): New option.
4949         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
4950         * configure: Regen.
4951         * doc/install.texi: Document --with-riscv-attribute.
4952         * doc/invoke.texi: Document -mriscv-attribute.
4953
4954         * common/config/riscv/riscv-common.c:
4955         Include config/riscv/riscv-protos.h.
4956         (INCLUDE_STRING): Defined.
4957         (RISCV_DONT_CARE_VERSION): Defined.
4958         (riscv_subset_t): Declare.
4959         (riscv_subset_t::riscv_subset_t): New.
4960         (riscv_subset_list): Declare.
4961         (riscv_subset_list::riscv_subset_list): New.
4962         (riscv_subset_list::~riscv_subset_list): Likewise.
4963         (riscv_subset_list::parsing_subset_version): Likewise.
4964         (riscv_subset_list::parse_std_ext): Likewise.
4965         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4966         (riscv_subset_list::add): Likewise.
4967         (riscv_subset_list::lookup): Likewise.
4968         (riscv_subset_list::xlen): Likewise.
4969         (riscv_subset_list::parse): Likewise.
4970         (riscv_supported_std_ext): Likewise.
4971         (current_subset_list): Likewise.
4972         (riscv_parse_arch_string): Using riscv_subset_list::parse to
4973         parse.
4974
4975 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
4976
4977         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
4978         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
4979         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
4980
4981 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
4982
4983         PR rtl-optimization/85899
4984         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
4985         fallthru edges leading to the exit block.
4986
4987 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
4988
4989         PR target/89517
4990         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
4991         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
4992
4993 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
4994
4995         PR tree-optimization/89535
4996         * tree-vect-stmts.c (vectorizable_call): Record the vector types
4997         for each operand.  Calculate the fallback choice for mask operands
4998         and pass it to vect_get_vec_def_for_operand.
4999
5000 2019-03-01  Richard Biener  <rguenther@suse.de>
5001
5002         PR middle-end/89541
5003         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5004         get virtual operands.
5005         (get_expr_operands): Handle CONST_DECL like other decls.
5006
5007 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5008
5009         PR middle-end/89503
5010         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5011         on DECL_P and EXPR_P.
5012
5013 2019-03-01  Richard Biener  <rguenther@suse.de>
5014
5015         PR middle-end/89497
5016         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5017         argument, defaulted to zero.
5018         * passes.c (execute_function_todo): Pass down SSA update flags
5019         to cleanup_tree_cfg.
5020         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5021         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5022         form if requested.
5023         (cleanup_tree_cfg): Get and pass down SSA update flags.
5024
5025 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5026
5027         PR bootstrap/89539
5028         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5029         early_lto_debug argument.
5030
5031 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5032
5033         PR tree-optimization/89536
5034         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5035         only whether bit #0 of the value is 0 instead of the entire value.
5036
5037 2019-02-28  Marek Polacek  <polacek@redhat.com>
5038
5039         PR c++/87068 - missing diagnostic with fallthrough statement.
5040         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5041         at the end of a seq, save its location to walk_stmt_info.
5042         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5043         a switch.
5044
5045 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5046
5047         PR lto/88585
5048         * tree.c (find_atomic_core_type): Move ahead in file.
5049         (check_base_type): Correctly compare alignments of atomic types.
5050
5051 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5052
5053         PR target/89455
5054         * config/i386/i386.c (get_builtin_code_for_version): Identify
5055         Westmere from PCLMUL, instead of AES.
5056
5057 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5058
5059         PR target/89434
5060         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5061         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5062         -UINTVAL (...).
5063
5064 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5065
5066         PR target/88530
5067         * config/aarch64/aarch64-option-extensions.def: Document it.
5068         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5069         if empty hwcaps.
5070
5071 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5072
5073         PR c/89520
5074         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5075         builtins if they don't have a single scalar floating point argument.
5076         Formatting fixes.
5077
5078 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5079
5080         PR rtl-optimization/89490
5081         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5082         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5083         block section is not mergeable.
5084
5085 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5086
5087         PR target/70341
5088         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5089         old define_insn to ...
5090         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5091         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5092         Rename old define_insn to ...
5093         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5094         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5095         define_insn to ...
5096         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5097         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5098         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5099
5100 2019-02-27  Richard Biener  <rguenther@suse.de>
5101
5102         PR debug/88878
5103         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5104
5105 2019-02-27  Richard Biener  <rguenther@suse.de>
5106
5107         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5108         building.
5109
5110 2019-02-27  Richard Biener  <rguenther@suse.de>
5111
5112         PR debug/88878
5113         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5114         parameter, prefix section name with .gnu.debuglto_ if true.
5115         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5116         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5117
5118 2019-02-27  Richard Biener  <rguenther@suse.de>
5119
5120         PR debug/89514
5121         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5122         rather than on use_debug_types, doing what output_die does.
5123         (value_format): Likewise.
5124
5125 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5126             Martin Sebor  <msebor@redhat.com>
5127
5128         * doc/invoke.texi (Warning Options): Reword description of
5129         -Wno-absolute-value.
5130
5131 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5132
5133         PR tree-optimization/89280
5134         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5135         builtin_setjmp_setup_bb): New functions.
5136         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5137         When visiting __builtin_setjmp_setup block, queue in special
5138         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5139         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5140         from visited after the loop if they don't have any visited successor
5141         blocks.
5142
5143 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5144
5145         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5146         New function.
5147         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5148
5149 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5150
5151         PR c++/89507
5152         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5153         with types other than sizetype/ssizetype.
5154
5155 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5156
5157         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5158         (enum sparc_processor_type): ...this.
5159         (enum sparc_code_model_type): New enumeration type.
5160         (enum sparc_memory_model_type): Tweak comments.
5161         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5162         (mtune): Likewise.
5163         (mcmodel): Use sparc_code_model enumeration and variable.
5164         (sparc_code_model): New enumeration.
5165         (mdebug): Add Undocumented marker.
5166         * config/sparc/sparc.h (enum cmodel): Delete.
5167         (sparc_cmodel): Likewise.
5168         (TARGET_CM_MEDLOW): Adjust to above renaming.
5169         (TARGET_CM_MEDMID): Likewise.
5170         (TARGET_CM_MEDANY): Likewise.
5171         (TARGET_CM_EMBMEDANY): Likewise.
5172         * config/sparc/sparc.c (sparc_cmodel): Delete.
5173         (sparc_option_override): Remove string/value mapping support for the
5174         code model.  Move code and memory model support to after the handling
5175         of target flags.  Do private machine setup last.
5176         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5177         (sparc_legitimize_reload_address): Likewise.
5178         (sparc_output_mi_thunk): Likewise.
5179         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5180
5181 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5182
5183         PR tree-optimization/89500
5184         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5185         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5186         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5187         cst if the first cst bytes starting at x are known to be non-zero,
5188         even if the string is not zero terminated.  Don't try to modify
5189         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5190         we can prove strnlen returns the same value as strlen would.
5191
5192 2019-02-26  Martin Liska  <mliska@suse.cz>
5193
5194         * alloc-pool.h (struct pool_usage): Remove extra
5195         print_dash_line.
5196         * bitmap.h (struct bitmap_usage): Likewise.
5197         * ggc-common.c (struct ggc_usage): Likewise.
5198         * mem-stats.h (struct mem_usage): Likewise.
5199         (mem_alloc_description::dump): Print dash lines
5200         here and repeat header at the end of a table report.
5201         It's then more readable.
5202         * tree-phinodes.c (phinodes_print_statistics): Make
5203         horizontal alignment.
5204         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5205         * vec.c (struct vec_usage): Remove extra print_dash_line.
5206         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5207
5208 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5209
5210         * doc/extend.texi (__builtin_object_size):
5211         Use @pxref instead of @xref inside parenthesis.
5212         (__builtin_has_attribute): Add missing comma after @xref.
5213         (__builtin_object_size): Ditto.
5214         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5215         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5216         in the list.
5217
5218 2019-02-26  Jeff Law  <law@redhat.com>
5219
5220         PR rtl-optimization/87761
5221         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5222         detect obviously dead insns and delete them.
5223
5224 2019-02-26  Richard Biener  <rguenther@suse.de>
5225
5226         PR tree-optimization/89505
5227         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5228         to handle restrict pointed-to vars with multiple subvars
5229         correctly.
5230
5231 2019-02-26  Richard Biener  <rguenther@suse.de>
5232
5233         PR tree-optimization/89489
5234         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5235
5236 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5237
5238         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5239         and move around comment.
5240         <BIT_AND_EXPR>: Likewise.
5241         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5242
5243 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5244
5245         PR target/89474
5246         * config/i386/i386.c (remove_partial_avx_dependency): Call
5247         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5248         after changing possibly many instructions to use that pseudo.  Fix up
5249         insertion of v4sf_const0 setter at the start of bb.
5250
5251 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5252
5253         PR c/80409
5254         * doc/extend.texi (Variadic Pointer Args): New section.
5255
5256 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5257             Martin Sebor  <msebor@gmail.com>
5258
5259         * common.opt (Wattribute-alias): Likewise.
5260         * doc/invoke.texi (Option Summary): List general form of
5261         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5262         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5263         Add cross-references.
5264         (-Wattribute-alias): Rewrite and correct default.  Mention
5265         considered attributes (same as for -Wmissing-attributes).
5266
5267 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5268
5269         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5270         (_mm_cvtpd_ps): Likewise.
5271         (_mm_cvttpd_epi32): Likewise.
5272
5273         PR target/89338
5274         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5275         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5276
5277         PR target/89339
5278         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5279
5280 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5281
5282         PR target/88530
5283         * common/config/aarch64/aarch64-common.c
5284         (struct aarch64_option_extension): Add is_synthetic.
5285         (all_extensions): Use it.
5286         (TARGET_OPTION_INIT_STRUCT): Define hook.
5287         (struct gcc_targetm_common): Moved to end.
5288         (all_extensions_by_on): New.
5289         (opt_ext_cmp, typedef opt_ext): New.
5290         (aarch64_option_init_struct): New.
5291         (aarch64_contains_opt): New.
5292         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5293         * config/aarch64/aarch64-option-extensions.def
5294         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5295         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5296         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5297         Set is_synthetic to false.
5298         (crypto): Set is_synthetic to true.
5299         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5300         SYNTHETIC.
5301
5302 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5303
5304         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5305         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5306         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5307         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5308         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5309         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5310         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5311         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5312         Rename ...
5313         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5314         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5315         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5316         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5317         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5318         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5319         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5320         vfmlsl_laneq_high_f16): ... To this.
5321         * config/arm/neon.md: Update comments.
5322
5323 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5324
5325         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5326         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5327         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5328         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5329         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5330         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5331         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5332         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5333         Rename ...
5334         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5335         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5336         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5337         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5338         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5339         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5340         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5341         vfmlslq_laneq_high_f16): ... To this.
5342
5343 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5344
5345         PR rtl-optimization/86096
5346         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5347         comparing mw_order values.
5348
5349 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5350
5351         PR target/89434
5352         * config/arm/arm.md (*subsi3_carryin_const): Use
5353         arm_neg_immediate_operand predicate instead of
5354         arm_not_immediate_operand, "L" constraint instead of "K" and
5355         print it using %n2 instead of %B2.
5356         (*subsi3_carryin_const0): New define_insn.
5357         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5358         instead of arm_not_operand and "I" constraint instead of "K" and
5359         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5360         another match_operand and in the condition check that it is negation
5361         of operands[2].
5362         (*subsi3_carryin_compare_const0): New define_ins.
5363         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5364         *subsi3_carryin_const.
5365         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5366         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5367
5368         PR target/89438
5369         * config/arm.vfp.md (*negdf2_vfp): Use
5370         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5371         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5372
5373 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5374
5375         PR rtl-optimization/89445
5376         * simplify-rtx.c (simplify_ternary_operation): Don't use
5377         simplify_merge_mask on operands that may trap.
5378         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5379         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5380         second operand is CONST_VECTOR, check if any element could be zero.
5381         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5382         their operands can trap.
5383
5384 2019-02-23  Martin Sebor  <msebor@redhat.com>
5385
5386         * gimple-ssa-sprintf.c (target_strtol): Rename...
5387         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5388         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5389         check for range error.
5390
5391 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5392
5393         PR driver/69471
5394         * opts-common.c (prune_options): Also prune joined switches
5395         with Negative and RejectNegative.
5396         * config/i386/i386.opt (march=): Add Negative(march=).
5397         (mtune=): Add Negative(mtune=).
5398         * doc/options.texi: Document Negative used together with Joined
5399         and RejectNegative.
5400
5401 2019-02-22  Martin Sebor  <msebor@redhat.com>
5402
5403         * doc/extend.texi (Other Builtins): Add
5404         __builtin_is_constant_evaluated.
5405
5406 2019-02-22  Richard Biener  <rguenther@suse.de>
5407
5408         PR tree-optimization/87609
5409         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5410
5411 2019-02-22  Jeff Law  <law@redhat.com>
5412
5413         PR rtl-optimization/87761
5414         * config/mips/mips.md: Add new combiner pattern to recognize
5415         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5416
5417 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5418
5419         PR target/89324
5420         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5421         destination register in peepholes generating patterns for ADDS/SUBS.
5422         (add<mode>3_compare0,
5423         *addsi3_compare0_uxtw, add<mode>3_compareC,
5424         add<mode>3_compareV_imm, add<mode>3_compareV,
5425         *adds_<optab><ALLX:mode>_<GPI:mode>,
5426         *subs_<optab><ALLX:mode>_<GPI:mode>,
5427         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5428         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5429         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5430         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5431         sub<mode>3_compare1): Allow stack pointer for source register.
5432         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5433
5434 2019-02-22  Martin Sebor  <msebor@redhat.com>
5435
5436         PR tree-optimization/88993
5437         PR tree-optimization/88853
5438         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5439         New helper.
5440         (sprintf_dom_walker::call_info::is_string_func): New helper.
5441         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5442         for formatted string functions.
5443         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5444
5445 2019-02-22  Martin Sebor  <msebor@redhat.com>
5446
5447         PR c/89425
5448         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5449         unreachable subexpressions.
5450
5451 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5452             Hongtao Liu  <hongtao.liu@intel.com>
5453             Sunil K Pandey  <sunil.k.pandey@intel.com>
5454
5455         PR target/87007
5456         * config/i386/i386-passes.def: Add
5457         pass_remove_partial_avx_dependency.
5458         * config/i386/i386-protos.h
5459         (make_pass_remove_partial_avx_dependency): New.
5460         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5461         New function.
5462         (pass_data_remove_partial_avx_dependency): New.
5463         (pass_remove_partial_avx_dependency): Likewise.
5464         (make_pass_remove_partial_avx_dependency): Likewise.
5465         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5466         (*extendsfdf2): Add avx_partial_xmm_update.
5467         (truncdfsf2): Likewise.
5468         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5469         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5470
5471 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5472
5473         PR middle-end/85598
5474         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5475         analysis for pass.
5476
5477 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5478
5479         PR target/89444
5480         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5481         (PTA_SKYLAKE): Add PTA_AES.
5482         (PTA_GOLDMONT): Likewise.
5483
5484 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5485
5486         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5487         instruction if enabled.
5488         (aarch64_override_options): Remove reference to return address key.
5489
5490 2019-02-22  Richard Biener  <rguenther@suse.de>
5491
5492         PR tree-optimization/89440
5493         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5494         not necessary assert.
5495
5496 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5497
5498         PR fortran/72741
5499         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5500         (oacc_replace_fn_attrib_attr): ... this new function.
5501         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
5502         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
5503
5504 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5505
5506         * config/arm/arm-cpus.in (ares): Rename to...
5507         (neoverse-n1): ... This.  Add ares as alias.
5508         * config/arm/arm-tables.opt: Regenerate.
5509         * config/arm/arm-tune.md: Likewise.
5510         * doc/invoke.txt (ARM Options): Document neoverse-n1.
5511
5512 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5513
5514         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
5515         * config/aarch64/aarch64-tune.md: Regenerate.
5516         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
5517
5518 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5519
5520         * config/aarch64/aarch64.c (ares_tunings): Rename to...
5521         (neoversen1_tunings): ... This.
5522         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
5523         (neoverse-n1): New CPU.
5524         * config/aarch64/aarch64-tune.md: Regenerate.
5525         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
5526
5527 2019-02-22  Richard Biener  <rguenther@suse.de>
5528
5529         PR middle-end/87609
5530         * cfghooks.h (dependence_hash): New typedef.
5531         (struct copy_bb_data): New type.
5532         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
5533         (duplicate_block): Likewise.
5534         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
5535         (copy_bbs): Create and pass down copy_bb_data.
5536         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
5537         (rtl_duplicate_bb): Likewise.
5538         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
5539         remap dependence info.
5540
5541 2019-02-22  Richard Biener  <rguenther@suse.de>
5542
5543         PR tree-optimization/87609
5544         * tree-core.h (tree_base): Document special clique values.
5545         * tree-inline.c (remap_dependence_clique): Do not use the
5546         special clique value of one.
5547         (maybe_set_dependence_info): Use clique one.
5548         (clear_dependence_clique): New callback.
5549         (compute_dependence_clique): Clear clique one from all refs
5550         before assigning it (again).
5551
5552 2019-02-21  Martin Sebor  <msebor@redhat.com>
5553
5554         * doc/extend.texi (__clear_cache): Correct signature.
5555
5556 2019-02-21  Ian Lance Taylor  <iant@golang.org>
5557
5558         PR go/89170
5559         * varasm.c (decode_addr_const): Call lookup_constant_def rather
5560         than output_constant_def.
5561         (add_constant_to_table): New static function.
5562         (output_constant_def): Call add_constant_to_table.
5563         (tree_output_constant_def): Likewise.
5564
5565 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5566
5567         PR c++/89285
5568         * builtins.c (fold_builtin_arith_overflow): If first two args are
5569         INTEGER_CSTs, set intres and ovfres to constants rather than calls
5570         to ifn.
5571
5572 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5573
5574         PR target/87412
5575         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
5576         error for -mindirect-branch/-mfunction-return with incompatible
5577         -fcf-protection.
5578
5579 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5580
5581         PR bootstrap/88714
5582         * constraints.md (q): Remove.
5583         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
5584         instead of q.
5585
5586 2019-02-21  Martin Jambor  <mjambor@suse.cz>
5587
5588         PR hsa/89302
5589         * omp-general.c (omp_extract_for_data): Removed a duplicate call
5590         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
5591         (omp_adjust_for_condition): ...here.  Added necessary parameters.
5592         * omp-general.h (omp_adjust_for_condition): Updated declaration.
5593         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
5594         proper values to new parameters of omp_adjust_for_condition.
5595
5596 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5597
5598         PR middle-end/89412
5599         * expr.c (expand_assignment): If result is a MEM, use change_address
5600         instead of simplify_gen_subreg.
5601
5602 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5603             David Malcolm  <dmalcolm@redhat.com>
5604
5605         PR middle-end/89091
5606         * fold-const.c (decode_field_reference): Return NULL_TREE if
5607         lang_hooks.types.type_for_size returns NULL.  Check it before
5608         overwriting *exp_.  Use return NULL_TREE instead of return 0.
5609
5610 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5611
5612         PR middle-end/88074
5613         PR middle-end/89415
5614         * toplev.c (do_compile): Double the emin/emax exponents to workaround
5615         buggy mpc_norm.
5616
5617 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
5618
5619         PR target/89397
5620         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
5621         TARGET_SSE in addition to TARGET_SSE_MATH.
5622
5623         (ix86_excess_precision): Ditto.
5624         (ix86_float_exceptions_rounding_supported_p): Ditto.
5625         (use_rsqrt_p): Ditto.
5626         * config/i386/sse.md (rsqrt<mode>2): Ditto.
5627
5628 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
5629
5630         PR c/89410
5631         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
5632         linenum_arith_t when determining if two adjacent line spans are
5633         close enough to merge.
5634         (diagnostic_show_locus): Use linenum_arith_t when iterating over
5635         lines within each line_span.
5636
5637 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
5638
5639         PR target/86487
5640         * lra-constraints.c(uses_hard_regs_p): Fix handling of
5641         paradoxical SUBREGS.
5642
5643 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
5644
5645         PR target/88100
5646         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
5647         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
5648         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
5649         range checking it.
5650
5651 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
5652
5653         * config/gcn/gcn.c (print_operand): Fix typo.
5654
5655 2019-02-19  Richard Biener  <rguenther@suse.de>
5656
5657         PR middle-end/88074
5658         * toplev.c (do_compile): Initialize mpfr's exponent range
5659         based on available float modes.
5660
5661 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5662
5663         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
5664         as long as the epilogue isn't completed.
5665
5666 2019-02-18  Martin Sebor  <msebor@redhat.com>
5667
5668         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
5669         __has_cpp_attribute, and __has_include.
5670
5671 2019-02-18  Martin Sebor  <msebor@redhat.com>
5672
5673         * doc/invoke.texi (-Wreturn-type): Correct and expand.
5674
5675 2019-02-18  Martin Sebor  <msebor@redhat.com>
5676
5677         PR middle-end/89294
5678         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
5679         expression.
5680         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
5681
5682 2019-02-18  Richard Biener  <rguenther@suse.de>
5683
5684         PR tree-optimization/89296
5685         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
5686         of no-warning flag to cases that might emit the bogus warning.
5687
5688 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
5689
5690         PR bootstrap/88714
5691         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
5692         "q" constraint.
5693         * config/arm/vfp.md (*movdi_vfp): Likewise.
5694         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
5695         "q" constraint for operands[0].
5696
5697         PR target/89369
5698         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
5699         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
5700         pattern in a temporary buffer.
5701         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
5702         than 64-operands[2].
5703
5704         PR target/89361
5705         * config/s390/s390.c (s390_indirect_branch_attrvalue,
5706         s390_indirect_branch_settings): Define unconditionally.
5707         (s390_set_current_function): Likewise, but guard the whole body except
5708         the s390_indirect_branch_settings call with
5709         #if S390_USE_TARGET_ATTRIBUTE.
5710         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
5711
5712         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
5713         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
5714         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
5715         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
5716         HOST_WIDE_INT_1U instead of 1ULL.
5717         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
5718         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
5719         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
5720         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
5721         instead of 1UL.
5722         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
5723         instead of 1ul.
5724
5725 2019-02-18  Martin Jambor  <mjambor@suse.cz>
5726
5727         PR tree-optimization/89209
5728         * tree-sra.c (create_access_replacement): New optional parameter
5729         reg_tree.  Use it as a type if non-NULL and access type is not of
5730         a register type.
5731         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
5732         to create_access_replacement.
5733         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
5734         Check lacc is non-NULL before attempting to re-create it on the RHS.
5735
5736 2019-02-18  Martin Liska  <mliska@suse.cz>
5737
5738         PR ipa/89306
5739         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
5740         by default.
5741         (symbol_table::free_edge): Recycle m_summary_id.
5742         * cgraph.h (get_summary_id): New.
5743         (symbol_table::release_symbol): Set m_summary_id to -1
5744         by default.
5745         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
5746         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
5747         function_summary to fast_function_summary.
5748         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
5749         * ipa-pure-const.c (class funct_state_summary_t):
5750         Switch from function_summary to fast_function_summary.
5751         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
5752         (class ipa_ref_opt_summary_t): Switch from function_summary
5753         to fast_function_summary.
5754         * symbol-summary.h (class function_summary_base): New class
5755         that is created from base of former function_summary.
5756         (function_summary_base::unregister_hooks): New.
5757         (class function_summary): Inherit from function_summary_base.
5758         (class call_summary_base): New class
5759         that is created from base of former call_summary.
5760         (class call_summary): Inherit from call_summary_base.
5761         (struct is_same): New.
5762         (class fast_function_summary): New summary class.
5763         (class fast_call_summary): New summary class.
5764         * vec.h (vec_safe_grow_cleared): New function.
5765
5766 2019-02-18  Martin Liska  <mliska@suse.cz>
5767
5768         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
5769         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
5770         * doc/tm.texi: Document new target hook.
5771         * doc/tm.texi.in: Likewise.
5772         * target.def: Add new target macro.
5773         * gcc.c (find_fortran_preinclude_file): Do not search multilib
5774         suffixes.
5775
5776 2019-02-17  Alan Modra  <amodra@gmail.com>
5777
5778         PR target/89271
5779         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
5780         output reg on add insn.
5781         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
5782
5783 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5784
5785         PR target/89372
5786         * config/i386/sse.md (ssedoublemode): Remove V4HI.
5787         (PMULHRSW): Likewise.
5788         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
5789         TARGET_AVX2.
5790         (ssse3_pmulhrswv4hi3): New expander.
5791
5792 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5793
5794         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
5795         MMX.  Add isa attribute.
5796
5797 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
5798
5799         PR rtl-optimization/66152
5800         * builtins.h (c_readstr): Declare.
5801         * builtins.c (c_readstr): Remove forward declaration.  Add
5802         null_terminated_p argument, if false, read all bytes from the
5803         string instead of stopping after '\0'.
5804         * expr.c (string_cst_read_str): New function.
5805         (store_expr): Use string_cst_read_str instead of
5806         builtin_strncpy_read_str.  Try to store by pieces the whole
5807         exp_len first, and only if that fails, split it up into
5808         store by pieces followed by clear_storage.  Formatting fix.
5809
5810         * config/i386/i386.md (*movqi_internal): Remove static from
5811         buf variable.  Use output_asm_insn (buf, operands); return "";
5812         instead of return buf;.
5813         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
5814         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
5815         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
5816
5817 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5818
5819         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
5820         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
5821         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
5822         (CC1_SPEC): Likewise.
5823         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
5824
5825 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5826
5827         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
5828         the base address on 64-bit strict-alignment platforms.
5829
5830 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5831
5832         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
5833
5834 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5835
5836         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
5837
5838 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
5839
5840         PR rtl-optimization/88308
5841         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
5842         on copied instruction.
5843
5844 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5845
5846         * final.c (insn_current_reference_address): Replace test on JUMP_P
5847         with test on jump_to_label_p.
5848         * config/visium/visium-passes.def: New file.
5849         * config/visium/t-visium (PASSES_EXTRA): Define.
5850         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
5851         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
5852         (TRAMPOLINE_ALIGNMENT): Define.
5853         * config/visium/visium.c (visium_option_override): Do not register
5854         the machine-specific reorg pass here.
5855         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
5856         for the GR6.
5857         (output_branch): Adjust threshold for long branch instruction.
5858         * config/visium/visium.md (cpu): Move around.
5859         (length): Adjust for the GR6.
5860
5861 2019-02-15  Richard Biener  <rguenther@suse.de>
5862             Jakub Jelinek  <jakub@redhat.com>
5863
5864         PR tree-optimization/89278
5865         * tree-loop-distribution.c: Include tree-eh.h.
5866         (generate_memset_builtin, generate_memcpy_builtin): Call
5867         rewrite_to_non_trapping_overflow on builtin->size before passing it
5868         to force_gimple_operand_gsi.
5869
5870 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
5871
5872         PR other/89342
5873         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
5874         optimize_debug.
5875         * opth-gen.awk: Likewise.
5876
5877 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5878
5879         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
5880         Enable MMX, SSE and SSE2 by default.
5881         * config/i386/i386.c (ix86_option_override_internal): Do not
5882         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
5883
5884 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
5885
5886         PR rtl-optimization/89354
5887         * combine.c (make_extraction): Punt if extraction_mode is narrower
5888         than len bits.
5889
5890 2019-02-14  Maya Rashish  <coypu@sdf.org>
5891
5892         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
5893         * config/netbsd-d.c: New file.
5894         * config/t-netbsd: Add netbsd-d.o
5895
5896 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
5897
5898         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
5899         affects_type_identity to true for aarch64_vector_pcs.
5900         (aarch64_comp_type_attributes): New function.
5901         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
5902
5903 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
5904
5905         PR target/88850
5906         * config/arm/iterators.md (ANY64): Add V4HF.
5907
5908 2019-02-14  Martin Liska  <mliska@suse.cz>
5909
5910         PR rtl-optimization/89242
5911         * dce.c (delete_unmarked_insns): Call free_dominance_info we
5912         process a transformation.
5913
5914 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
5915
5916         PR tree-optimization/89314
5917         * fold-const.c (fold_binary_loc): Cast strlen argument to
5918         const char * before dereferencing it.  Formatting fixes.
5919
5920         PR middle-end/89284
5921         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
5922
5923 2019-02-13  Ian Lance Taylor  <iant@golang.org>
5924
5925         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
5926         and set current index for other optimizations.
5927
5928 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
5929
5930         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
5931         nonimmediate_operand as operand 2 predicate.
5932         (vec_set<VF2_512_256:mode>_0): Ditto.
5933         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
5934         (*vec_concatv2si): Remove alternative 2.
5935         (*vec_concatv4si_0): Use vm constraint for alternative 0.
5936         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
5937         (vec_concatv2di): Split alternatives 4,5,6 to ...
5938         (*vec_concatv2di_0) ... new pattern.
5939
5940 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
5941
5942         PR target/89190
5943         * config/arm/arm.c (ldm_stm_operation_p) Set
5944         addr_reg_in_reglist correctly for first register.
5945         (load_multiple_sequence): Remove dead base check.
5946         (gen_ldm_seq): Correctly set write_back for Thumb-1.
5947
5948 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
5949
5950         PR target/88847
5951         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
5952         Expose as @aarch64_pred_mov.
5953         * config/aarch64/aarch64.c (aarch64_classify_address):
5954         Use expand_insn which legitimizes operands.
5955
5956 2019-02-13  Martin Liska  <mliska@suse.cz>
5957
5958         * builtins.h (expand_builtin_with_bounds): Remove declaration.
5959         * calls.c (struct arg_data): Remove special_slot, pointer_arg
5960         and pointer_offset fields.
5961         (initialize_argument_information): Remove usage of dead
5962         fields.
5963         * cgraph.h (struct cgraph_thunk_info): Remove
5964         add_pointer_bounds_args.
5965         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
5966         fields.
5967         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
5968         fields.
5969         * config/i386/i386.c (ix86_function_arg_advance): Remove
5970         unrelated comment.
5971         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
5972         (def_builtin):  Remove usage of dead
5973         fields.
5974         (ix86_add_new_builtins): Likewise.
5975         * ipa-fnsummary.c (compute_fn_summary): Likewise.
5976         * ipa-icf.c (sem_function::equals_wpa): Likewise.
5977         (sem_function::init): Likewise.
5978         (sem_variable::merge): Likewise.
5979         * ipa-visibility.c (function_and_variable_visibility): Likewise.
5980         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
5981         * lto-cgraph.c (lto_output_node): Likewise.
5982         (lto_output_varpool_node): Likewise.
5983         (input_node): Likewise.
5984         (input_varpool_node): Likewise.
5985         * lto-streamer-out.c (lto_output): Likewise.
5986         * tree-inline.c (expand_call_inline): Remove usage of
5987         assign_stmts.
5988         * tree-inline.h (struct copy_body_data): Likewise.
5989         * varpool.c (varpool_node::dump): Likewise.
5990
5991 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
5992
5993         PR middle-end/89303
5994         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
5995         into pt->vars_contains_escaped_heap instead of setting
5996         pt->vars_contains_escaped_heap to it.
5997
5998         PR middle-end/89281
5999         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6000         INTVAL (size), compare it to GET_MODE_MASK instead of
6001         1 << GET_MODE_BITSIZE.
6002
6003         PR target/89290
6004         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6005         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6006         -mcmodel=large.
6007
6008 2019-02-13  Martin Liska  <mliska@suse.cz>
6009
6010         PR lto/88858
6011         * cfgrtl.c (remove_barriers_from_footer): New function.
6012         (try_redirect_by_replacing_jump): Use it.
6013         (cfg_layout_redirect_edge_and_branch): Likewise.
6014
6015 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6016
6017         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6018         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6019         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6020         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6021         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6022         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6023         New BU_CRYPTO_2.
6024         * config/rs6000/rs6000.c (builtin_function_type)
6025         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6026         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6027         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6028         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6029         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6030
6031 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6032
6033         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6034         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6035
6036 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6037
6038         PR target/89229
6039         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6040         268678 and revision 268657.
6041         (*movti_internal): Likewise.
6042
6043 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6044
6045         PR target/89233
6046         * config/s390/s390.c (s390_decompose_address): Update comment.
6047         (s390_check_qrst_address): Reject invalid address forms after
6048         LRA.
6049
6050 2019-02-12  Martin Liska  <mliska@suse.cz>
6051
6052         PR lto/88876
6053         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6054         we need default values of funct_state for a function that
6055         is not optimized.
6056
6057 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6058
6059         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6060         the object to pick the size of stores on strict-alignment platforms.
6061
6062         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6063         (*movdi_insn_sp32): Likewise.
6064         (*movdi_insn_sp64): Likewise.
6065
6066 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6067
6068         PR lto/88677
6069         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6070         types that needs constructiong.
6071         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6072
6073 2019-02-12  Richard Biener  <rguenther@suse.de>
6074
6075         PR tree-optimization/89253
6076         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6077         duplicate the loop.
6078
6079 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6080
6081         PR lto/88147
6082         * input.c (selftest::test_line_offset_overflow): New selftest.
6083         (selftest::input_c_tests): Call it.
6084
6085 2019-02-11  Martin Sebor  <msebor@redhat.com>
6086
6087         PR tree-optimization/88771
6088         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6089         when -Wstringop-overflow is set.
6090         (builtin_memref::builtin_memref): Adjust excessive upper bound
6091         only when lower bound is not excessive.
6092         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6093         -Wstringop-ovefflow.
6094         (maybe_diag_offset_bounds): Rename...
6095         (maybe_diag_access_bounds): ...to this.
6096         (check_bounds_or_overlap): Adjust for name change above.
6097
6098 2019-02-11  Martin Sebor  <msebor@redhat.com>
6099
6100         PR c++/87996
6101         * builtins.c (max_object_size): Move from here...
6102         * builtins.h (max_object_size): ...and here...
6103         * tree.c (max_object_size): ...to here...
6104         * tree.h (max_object_size): ...and here.
6105
6106 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6107
6108         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6109         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6110         for correct semantics.
6111
6112 2019-02-11  Alan Modra  <amodra@gmail.com>
6113
6114         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6115         -mlongcall and -mpltseq.
6116         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6117         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6118         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6119         * config/rs6000/sysv4.opt (mpltseq): New option.
6120         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6121         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6122         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6123         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6124         -mpltseq given for ELFv1.
6125         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6126         Only use UNSPEC_PLTSEQ for inline PLT calls.
6127         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6128         use UNSPEC_PLTSEQ for inline PLT calls.
6129         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6130         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6131         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6132         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6133         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6134         (pltseq_mtctr_<mode>): Likewise.
6135
6136 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6137
6138         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6139         Solaris ld.
6140         * configure: Regenerate.
6141
6142 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6143
6144         PR bootstrap/88714
6145         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6146         instead of r.
6147
6148 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6149
6150         * function.c (assign_parm_setup_block): Use the stored
6151         size, not the passed size, when allocating stack-space,
6152         also for a parameter with alignment larger than
6153         MAX_SUPPORTED_STACK_ALIGNMENT.
6154
6155 2019-02-11  Martin Liska  <mliska@suse.cz>
6156
6157         PR ipa/89009
6158         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6159         * ipa-inline.c (inline_small_functions): Likewise.
6160         * ipa-pure-const.c (propagate_pure_const): Likewise.
6161         (propagate_nothrow): Likewise.
6162         * ipa-reference.c (propagate): Likewise.
6163         * ipa-utils.c (struct searchc_env): Remove unused field.
6164         (searchc): Always search across AVAIL_INTERPOSABLE.
6165         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6166         the only called IPA pure const can properly not propagate
6167         across interposable boundary.
6168         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6169
6170 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6171
6172         * config/nds32/nds32.md (call_internal, call_value_internal,
6173         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6174
6175 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6176
6177         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6178         typo.
6179
6180 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6181
6182         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6183         in comments
6184
6185 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6186
6187         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6188
6189 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6190
6191         PR tree-optimization/89268
6192         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6193         if preds is non-NULL.
6194
6195 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6196
6197         PR lto/89272
6198         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6199         polymorphic types.
6200
6201 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6202
6203         * config/nds32/nds32.md (trap): New pattern.
6204
6205 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6206
6207         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6208         dwarf span.
6209
6210 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6211
6212         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6213         to split POST_INC.
6214
6215 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6216
6217         * ipa-visibility.c (localize_node): Also do not localize
6218         LDPR_PREVAILING_DEF_IRONLY_EXP.
6219
6220 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6221
6222         PR lto/87957
6223         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6224         instead of type_with_linkage.
6225
6226 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6227
6228         PR ipa/88755
6229         * params.def (uninlined-function-insns, uninlined-function-time,
6230         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6231         bound so we don't get overflows.
6232
6233 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6234
6235         * config/rs6000/rs6000-string.c (expand_compare_loop,
6236         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6237         memcmp/strncmp.
6238
6239 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6240
6241         PR middle-end/89246
6242         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6243         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6244         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6245
6246 2019-02-09  Alan Modra  <amodra@gmail.com>
6247
6248         PR target/88343
6249         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6250         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6251         setup.
6252
6253 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6254
6255         PR middle-end/88560
6256         * lra-constraints.c (process_alt_operands): Don't increase reject
6257         for memory when offset memory is required.
6258
6259 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6260
6261         * config/s390/vector.md: Implement vector copysign.
6262
6263 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6264
6265         * expr.c (expand_constructor): Correct indentations.
6266
6267 2019-02-08  Richard Biener  <rguenther@suse.de>
6268
6269         PR tree-optimization/89247
6270         * tree-if-conv.c: Include tree-cfgcleanup.h.
6271         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6272         (tree_if_conversion): Pass through predicate vector.
6273         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6274         inline, see if any if-converted loops we refrece in
6275         LOOP_VECTORIZED calls vanished and fixup.
6276         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6277
6278 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6279
6280         * config/s390/constraints.md (jdd): New constraint.
6281
6282 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6283
6284         PR target/89229
6285         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6286         upper 16 vector registers without TARGET_AVX512VL.
6287         (*movti_internal): Likewise.
6288
6289 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6290
6291         PR rtl-optimization/89234
6292         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6293         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6294         (copy_reg_eh_region_note_backward): Likewise.
6295
6296 2019-02-08  Richard Biener  <rguenther@suse.de>
6297
6298         PR middle-end/89223
6299         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6300         doesn't fit in HWI.
6301         (analyze_subscript_affine_affine): Handle failure from
6302         initialize_matrix_A.
6303
6304 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6305
6306         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6307         cfun everywhere.
6308
6309 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6310
6311         PR tree-optimization/86637
6312         PR tree-optimization/89235
6313         * tree-vect-loop.c (optimize_mask_stores): Add an
6314         auto_purge_vect_location sentinel to ensure that vect_location is
6315         purged on exit.
6316         * tree-vectorizer.c
6317         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6318         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6319         to ensure that vect_location is purged on exit.
6320         (pass_slp_vectorize::execute): Likewise, replacing the manual
6321         reset.
6322         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6323
6324 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6325
6326         * config/aarch64/iterators.md (max_opp): New code_attr.
6327         (USMAX): New code iterator.
6328         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6329         (aarch64_smax): Likewise.
6330         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6331         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6332         MINUS (MAX MIN).
6333
6334 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6335
6336         PR target/89229
6337         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6338         for TARGET_AVX512VL.
6339         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6340
6341 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6342
6343         * config/s390/s390-builtin-types.def: Add new types.
6344         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6345         (s390_vec_xlw4): Make the memory operand into a const pointer.
6346         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6347         float.
6348         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6349         a new vector type with the alignment of the scalar memory operand.
6350
6351 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6352             Jakub Jelinek  <jakub@redhat.com>
6353
6354         PR bootstrap/88714
6355         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6356         arm_count_ldrdstrd_insns): New declarations.
6357         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6358         MINUS.
6359         (valid_operands_ldrd_strd): New function.
6360         (arm_count_ldrdstrd_insns): New function.
6361         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6362         sets instead of single DImode set and define new insns to match this.
6363
6364 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6365
6366         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6367         Make it a C initializer.
6368
6369 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6370
6371         PR/target 88850
6372         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6373
6374 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6375
6376         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6377         Use neon_dot<q> for type.
6378         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6379
6380 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6381
6382         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6383         Use neon_dot<q> for type.
6384         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6385         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6386
6387 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6388
6389         PR rtl-optimization/89225
6390         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6391         sizes check.
6392
6393 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6394
6395         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6396         after restoring registers saved to allocate the frame on Windows.
6397
6398 2019-02-06  Richard Biener  <rguenther@suse.de>
6399
6400         PR tree-optimization/89182
6401         * graphite.h (cached_scalar_evolution_in_region): Declare.
6402         * graphite.c (struct seir_cache_key): New.
6403         (struct sese_scev_hash): Likewise.
6404         (seir_cache): New global.
6405         (cached_scalar_evolution_in_region): New function.
6406         (graphite_transform_loops): Allocate and release seir_cache.
6407         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6408         cached_scalar_evolution_in_region.
6409         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6410         Simplify.
6411         (scop_detection::graphite_can_represent_expr: Use
6412         cached_scalar_evolution_in_region.
6413         (scop_detection::stmt_simple_for_scop_p): Likewise.
6414         (find_params_in_bb): Likewise.
6415         (gather_bbs::before_dom_children): Likewise.
6416         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6417         (add_loop_constraints): Likewise.
6418
6419 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6420
6421         PR middle-end/89210
6422         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6423         operand to new_unary_operation only if both element types are integral
6424         and it isn't a widening conversion.  Return NULL_TREE if
6425         new_unary_operation failed.
6426
6427 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6428
6429         PR target/88856
6430         * config/s390/s390.md: Remove load and test FP splitter.
6431
6432 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6433
6434         PR target/89112
6435         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6436         expand_compare_loop, expand_block_compare_gpr,
6437         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6438         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6439         #include "profile-count.h" and "predict.h" for types and functions
6440         needed to work with REG_BR_PROB notes.
6441
6442 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6443
6444         PR target/89112
6445         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6446         for the long branch case.
6447
6448 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6449
6450         PR target/89188
6451         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6452         can throw, non-call exceptions are enabled and we can't delete
6453         dead exceptions or alter cfg.  Set must_clean if
6454         delete_insn_and_edges returns true, don't set it blindly for calls.
6455         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6456
6457         PR rtl-optimization/89195
6458         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6459         of the original MEM.
6460
6461 2019-02-05  Martin Liska  <mliska@suse.cz>
6462
6463         PR gcov-profile/89000
6464         * gcov.c (function_summary): Remove argument.
6465         (file_summary): New function.
6466         (print_usage): Replace tabs with spaces.
6467         (generate_results): Use new function file_summary.
6468
6469 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6470
6471         PR target/89186
6472         * optabs.c (prepare_cmp_insn): Pass x and y to
6473         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6474
6475 2019-02-05  Richard Biener  <rguenther@suse.de>
6476
6477         PR middle-end/89150
6478         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6479         (struct bitmap_element): Drop chain_prev so we properly recurse on
6480         the prev member, supporting tree views.
6481         (struct bitmap_head): GTY skip the obstack member.
6482
6483 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6484
6485         PR c/88698
6486         * doc/extend.texi (Vector Extensions): Add an example of using vector
6487         types together with x86 intrinsics.
6488
6489 2019-02-04  Alan Modra  <amodra@gmail.com>
6490
6491         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6492         str[] size to 160, and comment.
6493
6494 2019-02-04  Alan Modra  <amodra@gmail.com>
6495
6496         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6497         (rs6000_pltseq_template): Guard output of TLS markers with
6498         TARGET_TLS_MARKERS.
6499         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6500         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
6501         to use inline PLT sequences.
6502         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6503         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6504         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
6505
6506 2019-02-04  Martin Liska  <mliska@suse.cz>
6507
6508         PR ipa/88985
6509         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
6510         out when ipa_fn_summaries does not contain entry for callee.
6511
6512 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
6513
6514         * config/sparc/sparc.h: Remove superfluous blank lines.
6515         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
6516         (got_register_rtx): ...this.
6517         (sparc_got): Adjust to above renaming.
6518         (sparc_tls_got): Likewise.
6519         (sparc_delegitimize_address): Likewise.
6520         (sparc_output_mi_thunk): Likewise.
6521         (sparc_init_pic_reg): Likewise.
6522         (save_local_or_in_reg_p): Fix test on the GOT register.
6523         (USE_HIDDEN_LINKONCE): Move around.
6524         (get_pc_thunk_name): Likewise.
6525         (gen_load_pcrel_sym): Likewise.
6526         (load_got_register): Likewise.
6527
6528 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
6529
6530         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
6531         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
6532
6533 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6534
6535         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
6536         into consideration.
6537
6538 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6539
6540         * config.gcc (with_nds32_lib, glibc):
6541         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
6542         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
6543         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
6544
6545 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
6546
6547         PR target/89071
6548         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
6549         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
6550         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
6551         (*rcpsf2_sse): Ditto.
6552         (*rsqrtsf2_sse): Ditto.
6553         (sse4_1_round<mode<2): Ditto.
6554
6555 2019-02-03  Richard Biener  <rguenther@suse.de>
6556
6557         PR debug/87295
6558         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
6559         orig.
6560
6561 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
6562
6563         PR middle-end/87887
6564         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6565         Punt with warning on aggregate return or argument types.  Ignore
6566         type/mode checking for uniform arguments.
6567
6568 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6569
6570         * combine.c (try_combine): Do not print "Can't combine" messages unless
6571         printing failed combination attempts.
6572
6573 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6574
6575         PR hsa/87863
6576         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
6577         segment and global segment variables before making them static.
6578
6579 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6580
6581         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
6582         missed optimization dump with dump_enabled_p.
6583
6584 2019-02-01  Richard Biener  <rguenther@suse.de>
6585
6586         PR middle-end/88597
6587         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
6588         the instantiate cache.
6589         (instantiate_scev_binary): Elide second operand procesing
6590         if equal to the first.
6591         * tree-chrec.c (chrec_contains_symbols): Add visited set.
6592         (chrec_contains_undetermined): Likewise.
6593         (tree_contains_chrecs): Likewise.
6594
6595 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
6596
6597         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
6598
6599 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
6600
6601         PR tree-optimization/89143
6602         * wide-int-range.h (wide_int_range_absu): Declare.
6603         * wide-int-range.cc (wide_int_range_absu): New function.
6604         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
6605
6606         PR tree-optimization/88107
6607         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
6608         instead of assertion that eh_region_outermost is non-NULL, if it
6609         is NULL, set *ALL to true and return NULL.
6610         (move_sese_region_to_fn): Adjust caller, if all is set, call
6611         duplicate_eh_regions with NULL region.
6612
6613 2019-02-01  Richard Biener  <rguenth@suse.de>
6614
6615         PR rtl-optimization/88593
6616         * mode-switching.c (optimize_mode_switching): Free dominators before
6617         calling cleanup_cfg.
6618
6619 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6620
6621         PR tree-optimization/88932
6622         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
6623
6624 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6625
6626         PR middle-end/89137
6627         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
6628         bogus clang warning.
6629
6630 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
6631
6632         PR target/89071
6633         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
6634         alternative to avoid partial SSE register stall for TARGET_AVX.
6635         (truncdfsf2): Ditto.
6636         (sse4_1_round<mode>2): Ditto.
6637
6638 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6639
6640         PR tree-optimization/89008
6641         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
6642         process anything of the form X * 0.
6643
6644 2019-01-31  Richard Biener  <rguenther@suse.de>
6645
6646         PR tree-optimization/89135
6647         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
6648         with abnormal preds.
6649
6650 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6651
6652         PR sanitizer/89124
6653         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
6654         always_inline callees into no_sanitize_address callers.
6655
6656 2019-01-31  Richard Biener  <rguenther@suse.de>
6657
6658         PR rtl-optimization/89115
6659         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
6660
6661 2019-01-30  Martin Sebor  <msebor@redhat.com>
6662
6663         PR other/89106
6664         * doc/extend.texi (cast to a union): Correct and expand.
6665
6666 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
6667
6668         PR rtl-optimization/87246
6669         * lra-constraints.c (simplify_operand_subreg): Reload memory
6670         in subreg if the address became invalid.
6671
6672 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
6673
6674         PR target/87064
6675         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
6676         Disable for little-endian.
6677
6678 2019-01-30  Richard Biener  <rguenther@suse.de>
6679
6680         PR rtl-optimization/89115
6681         * opts.c (default_options_optimization): Reduce
6682         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
6683         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
6684         to the default.
6685
6686 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6687
6688         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
6689         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
6690         type of vector element when vec_extract is implemented by direct
6691         move.
6692
6693 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
6694
6695         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
6696
6697 2019-01-30  Richard Biener  <rguenther@suse.de>
6698
6699         PR tree-optimization/89111
6700         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
6701         canonicalization to appropriately sized access types.
6702
6703 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
6704
6705         PR c++/89105
6706         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
6707         for arguments to functions that are TU-local and shouldn't be
6708         referenced by assembly.
6709
6710 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
6711
6712         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
6713         after '='.
6714
6715 2019-01-29  Martin Sebor  <msebor@redhat.com>
6716
6717         PR c/88956
6718         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
6719
6720 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
6721
6722         PR c++/66676
6723         PR ipa/89104
6724         * omp-simd-clone.c (simd_clone_clauses_extract)
6725         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
6726         OMP_CLAUSE_ALIGNED_ALIGNMENT.
6727
6728 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
6729
6730         * config.gcc: Force .init_array for ARC.
6731
6732 2019-01-29  Richard Biener  <rguenther@suse.de>
6733
6734         PR debug/87295
6735         * dwarf2out.c (collect_skeleton_dies): New helper.
6736         (copy_decls_for_unworthy_types): Call it.
6737         (build_abbrev_table): Assert we do not try to replace
6738         DW_AT_signature refs with local refs.
6739
6740 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6741
6742         PR middle-end/89002
6743         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
6744         for lastprivate/linear IV, push gimplify context around gimplify_assign
6745         and, if it needed any temporaries, pop it into a gimple bind around the
6746         sequence.
6747
6748 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6749
6750         * common.opt (-Wattribute-alias): Remove "no-" from name.
6751         Make -Wattribute-alias command line option and
6752         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
6753
6754 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6755
6756         PR target/89073
6757         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
6758         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
6759         x86 ISA options.
6760         (bmi2): Add missing @opindex.
6761         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
6762         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
6763         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
6764         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
6765         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
6766         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
6767         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
6768         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
6769         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
6770         xsavec, xsaveopt and xsaves options.
6771
6772 2019-01-28  Richard Biener  <rguenther@suse.de>
6773
6774         PR debug/89076
6775         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
6776         support removal.
6777
6778 2019-01-28  Richard Biener  <rguenther@suse.de>
6779
6780         PR tree-optimization/88739
6781         * tree-cfg.c (verify_types_in_gimple_reference): Verify
6782         BIT_FIELD_REFs only are applied to mode-precision operands
6783         when they are integral.
6784         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
6785         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
6786         BIT_FIELD_REFs of non-mode-precision integral operands.
6787
6788 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
6789
6790         PR target/87214
6791         * config/i386/sse.md
6792         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
6793         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
6794         first constants in pairs are multiples of 2.  Formatting fixes.
6795         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
6796         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
6797         first constants in each quadruple are multiples of 4.  Formatting fixes.
6798
6799 2019-01-26  Martin Jambor  <mjambor@suse.cz>
6800
6801         PR ipa/88933
6802         * tree-inline.c: Include tree-cfgcleanup.h.
6803         (delete_unreachable_blocks_update_callgraph): Move...
6804         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
6805         ...here, make externally visible, make second argument bool, adjust
6806         all callers.
6807         * tree-cfgcleanup.c: Include cgraph.h.
6808         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
6809         Declare.
6810         * ipa-prop.c: Include tree-cfgcleanup.h.
6811         (ipcp_transform_function): Call
6812         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
6813
6814 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
6815
6816         PR rtl-optimization/88846
6817         * ira.c (process_set_for_memref_referenced_p): New.
6818         (memref_referenced_p): Add new param.  Use
6819         process_set_for_memref_referenced_p.  Add new switch cases.
6820         (memref_used_between_p): Pass new arg to memref_referenced_p.
6821
6822 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
6823
6824         PR target/88469
6825         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
6826         argument ABI_BREAK.  Set to true if the calculated alignment has
6827         changed in gcc-9.  Check bit-fields for their base type alignment.
6828         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
6829         (aarch64_function_arg_boundary): Likewise.
6830         (aarch64_gimplify_va_arg_expr): Likewise.
6831
6832 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6833
6834         PR middle-end/89037
6835         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
6836         instead of accessing TREE_INT_CST_ELT directly.
6837
6838 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
6839
6840         * doc/sourcebuild.texi (Environment attributes): Add fenv and
6841         fenv_exceptions description.
6842
6843 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
6844
6845         PR rtl-optimization/87763
6846         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
6847         Allow SUBREG when matching CC_NZmode compare.
6848
6849 2019-01-25  Richard Biener  <rguenther@suse.de>
6850
6851         PR tree-optimization/89049
6852         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
6853         Look at the pattern stmt to determine if the stmt is vectorized.
6854
6855 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6856
6857         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
6858         (pred_mov<mode>): Handle all-register forms using both a new
6859         alternative and a split.
6860
6861 2019-01-25  Richard Biener  <rguenther@suse.de>
6862
6863         PR tree-optimization/86865
6864         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6865         Reject non-do-while loops.
6866
6867 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
6868
6869         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
6870         * config/rs6000/constraints.md (Q constraint): Use REG_P.
6871         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
6872         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6873         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
6874         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6875         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
6876         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
6877         vlogical_operand, gpc_reg_operand, int_reg_operand,
6878         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
6879         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
6880         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
6881         (save_world_operation, restore_world_operation, lmw_operation,
6882         stmw_operation): Use MEM_P and REG_P.
6883         (tie_operand): Use MEM_P.
6884         (vrsave_operation, crsave_operation): Use REG_P.
6885         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
6886         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
6887         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
6888         (call_operand): Use HARD_REGISTER_P.
6889         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
6890         Use CONST_INT_P.
6891         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
6892         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
6893         quad_aligned_load_p, replace_swapped_aligned_store,
6894         recombine_lvx_pattern, replace_swapped_aligned_load,
6895         recombine_stvx_pattern): Use MEM_P.
6896         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
6897         Use MEM_P and SYMBOL_REF_P.
6898         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
6899         (insn_is_swappable_p): Use REG_P and MEM_P.
6900         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
6901         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
6902         Use CONST_INT_P.
6903         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
6904         Use CONST_DOUBLE_P.
6905         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
6906         CONST_WIDE_INT_P.
6907         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
6908         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
6909         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
6910         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
6911         reg_or_subregno:
6912         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6913         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
6914         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
6915         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
6916         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
6917         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
6918         rs6000_split_logical_di): Use CONST_INT_P.
6919         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
6920         REG_P and SYMBOL_REF_P.
6921         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
6922         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
6923         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
6924         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
6925         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
6926         (small_data_operand, print_operand_address): Use CONST_INT_P and
6927         SYMBOL_REF_P.
6928         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
6929         (rs6000_init_hard_regno_mode_ok, direct_move_p):
6930         Use HARD_REGISTER_NUM_P.
6931         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
6932         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
6933         SUBREG_P and SYMBOL_REF_P.
6934         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
6935         and HARD_REGISTER_NUM_P.
6936         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
6937         reg_or_subregno.
6938         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
6939         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
6940         MEM_P and REG_P.
6941         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
6942         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
6943         find_addr_reg): Use REG_P.
6944         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
6945         (rs6000_emit_le_vsx_move): Use SUBREG_P.
6946         (offsettable_ok_by_alignment, constant_pool_expr_p,
6947         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
6948         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
6949         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
6950         rs6000_assemble_integer, create_TOC_reference,
6951         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
6952         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
6953         (rs6000_split_vec_extract_var): Use reg_or_subregno.
6954         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6955         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
6956         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6957         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6958         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
6959         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
6960         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
6961         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
6962         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
6963         and cbranch<mode>4): Use CONST_INT_P.
6964         (multiple define_splits): Use REG_P and SUBREG_P.
6965         (define_expands call, call_value): Use MEM_P.
6966         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
6967         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
6968         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
6969         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
6970         and HARD_REGISTER_NUM_P.
6971         (multiple define_splits): Use HARD_REGISTER_NUM_P.
6972
6973 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
6974
6975         PR rtl-optimization/88948
6976         * rtl.h (prepare_copy_insn): New prototype.
6977         * gcse.c (prepare_copy_insn): New function, split out from
6978         process_insert_insn.
6979         (process_insert_insn): Use prepare_copy_insn.
6980         * store-motion.c (replace_store_insn): Use prepare_copy_insn
6981         instead of gen_move_insn.
6982
6983 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
6984
6985         PR debug/89006
6986         * config/i386/i386.c (ix86_pic_register_p): Return true for
6987         UNSPEC_SET_GOT too.
6988
6989         PR tree-optimization/88964
6990         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
6991         punt if HONOR_SNANS (chrec).
6992
6993         PR middle-end/89015
6994         * tree-nested.c (convert_nonlocal_reference_stmt,
6995         convert_local_reference_stmt, convert_tramp_reference_stmt,
6996         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
6997         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
6998         or GIMPLE_OMP_TASK.
6999
7000         PR tree-optimization/89027
7001         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7002         for "omp simd array" variables.
7003
7004 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7005
7006         PR target/88469
7007         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7008         force the alignment of m_val.
7009
7010 2019-01-24  Richard Biener  <rguenther@suse.de>
7011
7012         PR lto/87187
7013         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7014         When in "legacy" debug mode make sure to reset self-origins.
7015
7016 2019-01-24  Martin Liska  <mliska@suse.cz>
7017
7018         PR gcov-profile/88994
7019         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7020         result will be always smaller or equal to the original.
7021         * gcov.c (mangle_name): Fix else branch where we should
7022         also copy to PTR and shift the pointer.
7023
7024 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7025
7026         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7027         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7028
7029 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7030             Steve Ellcey <sellcey@marvell.com>
7031
7032         PR target/85711
7033         * recog.c (address_operand): Return false on wrong mode for address.
7034         (constrain_operands): Check for mode with 'p' constraint.
7035
7036 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7037
7038         PR target/88998
7039         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7040         Disparage MMX alternative.
7041         (sse2_cvtpd2pi): Ditto.
7042         (sse2_cvttpd2pi): Ditto.
7043
7044 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7045
7046         PR driver/89014
7047         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7048         use-after-free of the result of
7049         aarch64_get_extension_string_for_isa_flags.
7050
7051 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7052
7053         PR c/44715
7054         * doc/extend.texi: Document break and continue behavior in
7055         statement expressions.
7056
7057 2019-01-23  Richard Biener  <rguenther@suse.de>
7058
7059         PR tree-optimization/89008
7060         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7061         not leave another stray operand.
7062
7063 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7064
7065         * BASE-VER: Bump to 9.0.1.
7066
7067 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7068
7069         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7070         thunk that returns by reference, use the type of the return object
7071         of the thunk instead of that of the alias to build the dereference.
7072
7073 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7074
7075         * config/arc/atomic.md: Add operand to DMB instruction.
7076
7077 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7078
7079         PR tree-optimization/88964
7080         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7081         build_zero_cst instead of build_int_cst.  Return false for loop
7082         invariants which honor signed zeros.
7083
7084 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7085
7086         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7087
7088 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7089
7090         PR target/88965
7091         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7092         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7093         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7094
7095         PR middle-end/88968
7096         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7097         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7098
7099         PR target/87064
7100         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7101         Disable for little endian.
7102
7103 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7104
7105         PR target/88469
7106         * config/arm/arm.c (arm_needs_double_word_align): Check
7107         DECL_BIT_FIELD_TYPE.
7108
7109 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7110             H.J. Lu  <hongjiu.lu@intel.com>
7111
7112         PR target/88909
7113         * config/i386/i386-builtin.def: Add mask2 to all builtin
7114         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7115         SPECIAL_ARGS.
7116         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7117         (BDESC_FIRST): Likewise.
7118         (define_builtin): Add an argument for mask2.  Updated to handle
7119         both ix86_isa_flags and ix86_isa_flags2.
7120         (define_builtin_const): Likewise.
7121         (define_builtin_pure): Likewise.
7122         (define_builtin2): Deleted.
7123         (define_builtin_const2): Likewise.
7124         (builtin_description): Add a member, mask2.
7125         (bdesc_*): Add mask2 to builtin initializations.
7126         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7127         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7128         support.
7129         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7130
7131 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7132
7133         PR target/88954
7134         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7135         noplt attribute.
7136
7137 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7138
7139         PR target/88469
7140         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7141         alignment is dominated by a bitfield with 64-bit aligned base type.
7142         (arm_function_arg): Emit a warning if the alignment has changed since
7143         earlier GCC releases.
7144         (arm_function_arg_boundary): Likewise.
7145         (arm_setup_incoming_varargs): Likewise.
7146
7147 2019-01-22  Richard Biener  <rguenther@suse.de>
7148
7149         PR tree-optimization/88862
7150         * graphite-scop-detection.c
7151         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7152
7153 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7154
7155         * doc/extend.tex (AMD GCN Function Attributes): New section.
7156         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7157         * doc/invoke.texi (AMD GCN Options): New section.
7158         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7159
7160 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7161
7162         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7163         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7164
7165 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7166
7167         PR tree-optimization/88044
7168         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7169         is false in the first iteration, but !every_iteration, return false
7170         instead of true with niter->niter zero.
7171
7172         PR rtl-optimization/88904
7173         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7174         any nonequal registers before processing BB_END (b).
7175
7176         PR target/88905
7177         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7178         GET_MODE (op0).
7179         (expand_binop_directly, expand_doubleword_clz,
7180         expand_doubleword_popcount, expand_ctz, expand_ffs,
7181         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7182
7183         PR rtl-optimization/49429
7184         PR target/49454
7185         PR rtl-optimization/86334
7186         PR target/88906
7187         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7188         addressable from here...
7189         (emit_block_op_via_libcall): ... to here.
7190
7191 2019-01-22  Richard Biener  <rguenther@suse.de>
7192
7193         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7194         auto_vec for cost vector to fix memleak.
7195         (vectorize_fold_left_reduction): Properly gather SLP defs.
7196         (vectorizable_comparison): Do not swap operands to properly
7197         gather SLP defs.
7198
7199 2019-01-22  Alan Modra  <amodra@gmail.com>
7200
7201         PR target/88614
7202         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7203         stays a reg.  Allow a const_int.
7204         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7205         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7206         (IS_NOMARK_TLSGETADDR): Define.
7207         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7208         (rs6000_output_tlsargs): New function.
7209         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7210         __tls_get_addr call takes an arg.
7211         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7212         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7213         delete split..
7214         (call_value_nonlocal_sysv): ..or here, delete split.
7215         (tls_gdld_nomark): Delete.
7216         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7217         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7218         (call_value_nonlocal_sysv): Likewise.
7219         (call_value_nonlocal_sysv_secure): Likewise.
7220         (call_value_nonlocal_aix): Likewise.
7221         (call_value_indirect_aix): Likewise.
7222         (call_value_indirect_elfv2): Likewise.
7223         (call_value_local32, call_value_local64): Disable for no-mark tls.
7224         (call_value_local_aix): Likewise.
7225
7226 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7227
7228         PR target/88938
7229         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7230         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7231
7232 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7233
7234         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7235         string contents as hash_map keys.
7236
7237 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7238
7239         PR c/88928
7240         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7241         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7242         instead of TYPE_ALIGN.
7243         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7244         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7245         pointer from TYPE_STUB_DECL.
7246
7247 2019-01-21  Richard Biener  <rguenther@suse.de>
7248
7249         PR tree-optimization/88934
7250         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7251         at the possibly non-constant operand.
7252         (vect_get_constant_vectors): Adjust.
7253
7254 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7255
7256         PR target/71659
7257         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7258         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7259         instead of _X86INTRIN_H_INCLUDED.
7260         * onfig/i386/clwbintrin.h: Likewise.
7261         * config/i386/pkuintrin.h: Likewise.
7262         * config/i386/prfchwintrin.h: Likewise.
7263         * config/i386/rdseedintrin.h: Likewise.
7264         * config/i386/wbnoinvdintrin.h: Likewise.
7265         * config/i386/xsavecintrin.h: Likewise.
7266         * config/i386/xsavesintrin.h: Likewise.
7267         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7268         * config/i386/xsaveintrin.h: Likewise.
7269         * config/i386/xsaveoptintrin.h: Likewise.
7270         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7271         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7272         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7273         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7274         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7275         * config/i386/immintrin.h: Here.
7276
7277 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7278
7279         PR ipa/87615
7280         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7281         with aa_walk_budget.
7282         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7283         aa_walk_budget_p parameter.
7284         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7285         walk.  Updated all callers.
7286         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7287         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7288         unmodified_parm.
7289         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7290         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7291         and to unmodified_parm.
7292         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7293         info, updated call to will_be_nonconstant_expr_predicate.
7294         (param_change_prob): New parameter fbi, limit AA walking.
7295         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7296         calls to various above functions.
7297         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7298         parameter.  Use it to limit AA walking.
7299         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7300         fbi, limit AA walk.
7301         (detect_type_change): New parameter fbi, pass it on to
7302         detect_type_change_from_memory_writes.
7303         (detect_type_change_ssa): Likewise.
7304         (aa_overwalked): Removed.
7305         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7306         accordingly, adjust to the neew AA limiting scheme.
7307         (parm_ref_data_preserved_p): Likewise.
7308         (ipa_compute_jump_functions_for_edge): Adjust call to
7309         get_dynamic_type.
7310         (ipa_analyze_call_uses): Likewise.
7311         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7312         (ipa_analyze_node): Initialize aa_walk_budget.
7313         (ipcp_transform_function): Likewise.
7314         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7315         to get_dynamic_type.
7316
7317 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7318
7319         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7320         outside of #if CHECKING_P code.
7321
7322 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7323
7324         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7325         New function, split out from...
7326         (loop_versioning::analyze_stride): ...here.
7327         (loop_versioning::find_per_loop_multiplication): Use gassign.
7328         (loop_versioning::analyze_term_using_scevs): Return a success code.
7329         (loop_versioning::analyze_arbitrary_term): New function.
7330         (loop_versioning::analyze_address_fragment): Use
7331         analyze_arbitrary_term if all else fails.
7332
7333 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7334
7335         PR target/88892
7336         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7337         operands.
7338
7339 2019-01-18  Richard Biener  <rguenther@suse.de>
7340
7341         PR tree-optimization/88903
7342         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7343         scalar stmts a SLP shift amount is composed of when detecting
7344         shifts by scalars.
7345
7346 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7347
7348         PR target/88799
7349         * config/arm/arm-cpus.in (mp): New feature.
7350         (sec): New feature.
7351         (fgroup ARMv7ve): Add mp and sec features.
7352         (arch armv7-a): Add options to allow mp and sec extensions.
7353         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7354         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7355         extenstions to the base architecture.
7356         (cpu cortex-a8): Add sec extension to the base architecture.
7357         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7358         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7359         variants down to the base v7-a varaint.
7360         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7361         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7362         of permitted extensions for -march=armv7-a and for
7363         -mcpu=generic-armv7-a.
7364
7365 2019-01-18  Martin Liska  <mliska@suse.cz>
7366
7367         * params.def: Fix comment.
7368         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7369         name.
7370         (gimple_gen_ic_func_profiler): Likewise.
7371
7372 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7373
7374         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7375         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7376         and put in error checks for stack protector guard options.
7377         (aarch64_stack_protect_guard): New.
7378         (TARGET_STACK_PROTECT_GUARD): Define.
7379         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7380         (reg_stack_protect_address<mode>): New.
7381         (stack_protect_set): Adjust for SSP_GLOBAL.
7382         (stack_protect_test): Likewise.
7383         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7384         (-mstack-protector-guard): Likewise.
7385         (-mstack-protector-guard-offset): Likewise.
7386
7387 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7388
7389         PR tree-optimization/86214
7390         * tree-inline.h (struct copy_body_data): Add
7391         add_clobbers_to_eh_landing_pads member.
7392         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7393         (copy_edges_for_bb): Call it if EH edge destination is <
7394         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7395         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7396         if flag_stack_reuse != SR_NONE and clear it afterwards.
7397
7398 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7399
7400         PR target/85596
7401         * doc/install.texi (with-multilib-list): Document for aarch64.
7402
7403 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7404
7405         PR target/88734
7406         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7407         (("..."))) with ("...").
7408
7409 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7410
7411         * doc/extend.texi (Built-in Functions for Memory Model Aware
7412         Atomic Operations): Document atomic fetch and nand.
7413
7414 2019-01-18  Martin Liska  <mliska@suse.cz>
7415             Richard Biener  <rguenther@suse.de>
7416
7417         PR middle-end/88587
7418         * cgraph.h (create_version_clone_with_body): Add new argument
7419         with attributes.
7420         * cgraphclones.c (cgraph_node::create_version_clone): Add
7421         DECL_ATTRIBUTES to a newly created decl.  And call
7422         valid_attribute_p so that proper cl_target_optimization_node
7423         is set for the newly created declaration.
7424         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7425         for declaration.
7426         (expand_target_clones): Do not call valid_attribute_p, it must
7427         be already done.
7428         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7429         vector types.
7430
7431 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7432
7433         PR target/88734
7434         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7435         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7436         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7437
7438 2019-01-17  Martin Sebor  <msebor@redhat.com>
7439
7440         PR middle-end/88273
7441         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7442         Handle anti-ranges the same as no range at all.
7443
7444 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7445
7446         * config/aarch64/aarch64.c (cgraph.h): New include.
7447         (intl.h): New include.
7448         (supported_simd_type): New function.
7449         (currently_supported_simd_type): Ditto.
7450         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7451         (aarch64_simd_clone_adjust): Ditto.
7452         (aarch64_simd_clone_usable): Ditto.
7453         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7454         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7455         (TARGET_SIMD_CLONE_USABLE): Ditto.
7456         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7457         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7458         call.
7459
7460 2019-01-17  Martin Sebor  <msebor@redhat.com>
7461
7462         PR tree-optimization/88800
7463         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7464         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7465         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7466         redundant argument.  Add new argument and issue diagnostics under
7467         its control.  Detect out-of-bounds access even with warnings
7468         disabled.
7469         (check_bounds_or_overlap): Change return type.  Add argument.
7470         (wrestrict_dom_walker::check_call): Adjust.
7471         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7472         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7473         check_bounds_or_overlap's return value.
7474         (handle_builtin_stxncpy): Same.
7475         (handle_builtin_strcat): Same.
7476
7477 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7478             Kwok Cheung Yeung  <kcy@codesourcery.com>
7479             Julian Brown  <julian@codesourcery.com>
7480             Tom de Vries  <tom@codesourcery.com>
7481
7482         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7483
7484 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7485
7486         * doc/sourcebuild.texi: Document dg-require-effective-target
7487         llvm_binutils and offload_gcn.
7488
7489 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7490             Kwok Cheung Yeung  <kcy@codesourcery.com>
7491             Julian Brown  <julian@codesourcery.com>
7492             Tom de Vries  <tom@codesourcery.com>
7493
7494         * doc/sourcebuild.texi: Document dg-required-effective-target
7495         exceptions.
7496
7497 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7498             Kwok Cheung Yeung  <kcy@codesourcery.com>
7499             Julian Brown  <julian@codesourcery.com>
7500             Tom de Vries  <tom@codesourcery.com>
7501             Jan Hubicka  <hubicka@ucw.cz>
7502             Martin Jambor  <mjambor@suse.cz>
7503
7504         * config.gcc: Add amdgcn*-*-amdhsa configuration.
7505         * configure.ac: Check for dlopen.
7506         * configure: Regenerate.
7507
7508 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7509             Kwok Cheung Yeung  <kcy@codesourcery.com>
7510             Julian Brown  <julian@codesourcery.com>
7511             Tom de Vries  <tom@codesourcery.com>
7512             Jan Hubicka  <hubicka@ucw.cz>
7513             Martin Jambor  <mjambor@suse.cz>
7514
7515         * common/config/gcn/gcn-common.c: New file.
7516         * config/gcn/driver-gcn.c: New file.
7517         * config/gcn/gcn-builtins.def: New file.
7518         * config/gcn/gcn-hsa.h: New file.
7519         * config/gcn/gcn-modes.def: New file.
7520         * config/gcn/gcn-opts.h: New file.
7521         * config/gcn/gcn-passes.def: New file.
7522         * config/gcn/gcn-protos.h: New file.
7523         * config/gcn/gcn-run.c: New file.
7524         * config/gcn/gcn-tree.c: New file.
7525         * config/gcn/gcn.c: New file.
7526         * config/gcn/gcn.h: New file.
7527         * config/gcn/gcn.opt: New file.
7528         * config/gcn/t-gcn-hsa: New file.
7529
7530 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7531             Kwok Cheung Yeung  <kcy@codesourcery.com>
7532             Julian Brown  <julian@codesourcery.com>
7533             Tom de Vries  <tom@codesourcery.com>
7534             Jan Hubicka  <hubicka@ucw.cz>
7535             Martin Jambor  <mjambor@suse.cz>
7536
7537         * config/gcn/constraints.md: New file.
7538         * config/gcn/gcn-valu.md: New file.
7539         * config/gcn/gcn.md: New file.
7540         * config/gcn/predicates.md: New file.
7541
7542 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7543
7544         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
7545         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
7546         (stmt_uses_0_or_null_in_undefined_way): Likewise.
7547         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
7548
7549 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
7550
7551         PR target/88851
7552         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
7553         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
7554         it and document registers.
7555
7556 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7557
7558         * config/aarch64/aarch64.c (ares_tunings): Define.
7559         * config/aarch64/aarch64-cores.def (ares): Use the above.
7560
7561 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7562
7563         PR target/88794
7564         Revert:
7565         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
7566
7567         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
7568         (_mm512_fixupimm_round_pd): Update parameters and builtin.
7569         (_mm512_maskz_fixupimm_round_pd): Ditto.
7570         (_mm512_fixupimm_round_ps): Ditto.
7571         (_mm512_maskz_fixupimm_round_ps): Ditto.
7572         (_mm_fixupimm_round_sd): Ditto.
7573         (_mm_maskz_fixupimm_round_sd): Ditto.
7574         (_mm_fixupimm_round_ss): Ditto.
7575         (_mm_maskz_fixupimm_round_ss): Ditto.
7576         (_mm512_fixupimm_pd): Ditto.
7577         (_mm512_maskz_fixupimm_pd): Ditto.
7578         (_mm512_fixupimm_ps): Ditto.
7579         (_mm512_maskz_fixupimm_ps): Ditto.
7580         (_mm_fixupimm_sd): Ditto.
7581         (_mm_maskz_fixupimm_sd): Ditto.
7582         (_mm_fixupimm_ss): Ditto.
7583         (_mm_maskz_fixupimm_ss): Ditto.
7584         (_mm512_mask_fixupimm_round_pd): Update builtin.
7585         (_mm512_mask_fixupimm_round_ps): Ditto.
7586         (_mm_mask_fixupimm_round_sd): Ditto.
7587         (_mm_mask_fixupimm_round_ss): Ditto.
7588         (_mm512_mask_fixupimm_pd): Ditto.
7589         (_mm512_mask_fixupimm_ps): Ditto.
7590         (_mm_mask_fixupimm_sd): Ditto.
7591         (_mm_mask_fixupimm_ss): Ditto.
7592         * config/i386/avx512vlintrin.h:
7593         (_mm256_fixupimm_pd): Update parameters and builtin.
7594         (_mm256_maskz_fixupimm_pd): Ditto.
7595         (_mm256_fixupimm_ps): Ditto.
7596         (_mm256_maskz_fixupimm_ps): Ditto.
7597         (_mm_fixupimm_pd): Ditto.
7598         (_mm_maskz_fixupimm_pd): Ditto.
7599         (_mm_fixupimm_ps): Ditto.
7600         (_mm_maskz_fixupimm_ps): Ditto.
7601         (_mm256_mask_fixupimm_pd): Update builtin.
7602         (_mm256_mask_fixupimm_ps): Ditto.
7603         (_mm_mask_fixupimm_pd): Ditto.
7604         (_mm_mask_fixupimm_ps): Ditto.
7605         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
7606         * config/i386/i386-builtin.def: Update builtin definitions.
7607         * config/i386/i386.c: Handle new builtin types and remove useless ones.
7608         * config/i386/sse.md: Update VFIXUPIMM* patterns.
7609         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7610         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7611         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
7612         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7613         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7614         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
7615         * config/i386/subst.md:
7616         (round_saeonly_sd_mask_operand4): Add new subst_attr.
7617         (round_saeonly_sd_mask_op4): Ditto.
7618         (round_saeonly_expand_operand5): Ditto.
7619         (round_saeonly_expand): Update.
7620
7621 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7622
7623         PR target/88794
7624         Revert:
7625         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
7626
7627         * config/i386/sse.md: Combine VFIXUPIMM* patterns
7628         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7629         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7630         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
7631         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7632         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7633         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
7634
7635 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7636
7637         PR target/88794
7638         Revert:
7639         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
7640
7641         PR target/88489
7642         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
7643         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
7644         instead of UNSPEC_FIXUPIMM.
7645
7646 2019-01-17  Richard Biener  <rguenther@suse.de>
7647
7648         PR lto/86736
7649         * dwarf2out.c (want_pubnames): Never generate pubnames sections
7650         and friends for the LTO part of debug info.
7651
7652 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7653
7654         PR tree-optimization/86214
7655         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
7656         if x == y.
7657
7658         PR rtl-optimization/88870
7659         * dce.c (deletable_insn_p): Never delete const/pure calls that can
7660         throw if we can't alter the cfg or delete dead exceptions.
7661         (mark_insn): Don't call find_call_stack_args for such calls.
7662
7663 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
7664
7665         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
7666         prototypes for vec_st.
7667         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
7668         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
7669         mainly on signed/unsigned long long and double.
7670
7671 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
7672
7673         PR target/88861
7674         * combine.c (delete_noop_moves): Convert to "bool" return,
7675         returning true if any edges are eliminated.
7676         (combine_instructions): Also return true if delete_noop_moves
7677         returns true.
7678
7679 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7680
7681         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
7682         correct max nunits for endian swap.
7683         (aarch64_expand_fcmla_builtin): Correct subreg code.
7684         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7685         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
7686         lane endianness.
7687
7688 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
7689
7690         * config/alpha/alpha.c (alpha_gimplify_va_arg):
7691         Handle split indirect COMPLEX_TYPE arguments.
7692
7693 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
7694
7695         PR target/86891
7696         * config/aarch64/aarch64-modes.def: Add comment about how the carry
7697         bit is set by add and compare.
7698         (CC_ADC): New CC_MODE.
7699         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
7700         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
7701         comparison.  Add detection for CC_ADCmode.
7702         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
7703         CC_ADCmode.
7704         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
7705         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
7706         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
7707         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
7708         to eliminate the need for zero-extending the operands.
7709         (add<mode>3_compareC_imm): Delete.  Merge into ...
7710         (add<mode>3_compareC): ... this.  Restructure the comparison to
7711         eliminate the need for zero-extending the operands.
7712         (add<mode>3_carryin): Use LTU for the overflow detection.
7713         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
7714         Reexpress comparison for overflow.
7715         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
7716         (add<mode>3_carryinC): Likewise.
7717         (add<mode>3_carryinV): Use LTU for carry between partials.
7718         * config/aarch64/predicates.md (aarch64_carry_operation): Update
7719         handling of CC_Cmode and add CC_ADCmode.
7720         (aarch64_borrow_operation): Likewise.
7721
7722 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7723
7724         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
7725         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
7726         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
7727         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
7728
7729 2019-01-16  Martin Liska  <mliska@suse.cz>
7730
7731         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
7732         for GCC driver.
7733         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
7734         a new argument.
7735         * gcc.c (add_sysrooted_hdrs_prefix): New function.
7736         (path_prefix_reset): Move up in the source file.
7737         (find_fortran_preinclude_file): Make complex search for the
7738         fortran header files.
7739
7740 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
7741
7742         * godump.c (go_output_typedef): When outputting a typedef, refer
7743         to the underlying type by its name and not its structure.
7744
7745 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
7746
7747         PR c++/88795
7748         * tree.c (build_function_type): Assert that arg_types is not
7749         error_mark_node.
7750
7751 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
7752
7753         PR inline-asm/52813
7754         * doc/extend.texi: Document that listing the stack pointer in the
7755         clobber list of an asm is a deprecated feature.
7756         * common.opt (Wdeprecated): Moved from c-family/c.opt.
7757         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
7758         warning instead of an error for clobbers of the stack pointer.
7759         Add a note explaining why.
7760
7761 2019-01-15  Richard Biener  <rguenther@suse.de>
7762
7763         PR debug/88046
7764         * dwarf2out.c (gen_member_die): Do not generate inheritance
7765         DIEs late.
7766
7767 2019-01-15  Richard Biener  <rguenther@suse.de>
7768
7769         PR tree-optimization/88855
7770         * tree-if-conv.c (combine_blocks): Collect
7771         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
7772
7773 2019-01-15  Tom de Vries  <tdevries@suse.de>
7774
7775         PR target/80547
7776         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
7777         lhs == NULL_TREE for gang-level reduction.
7778
7779 2019-01-15  Richard Biener  <rguenther@suse.de>
7780             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7781
7782         PR ipa/88788
7783         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
7784         return true if SSA_NAME is already marked in visited bitmap.
7785         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
7786
7787 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
7788
7789         PR tree-optimization/88775
7790         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
7791         equal == 0 equality pointer comparisons some more if compared in
7792         integral types and either one points to an automatic var and the
7793         other to a global, or we can prove at least one points to the middle
7794         or both point to start or both point to end.
7795
7796 2019-01-14  Andi Kleen  <ak@linux.intel.com>
7797
7798         * Makefile.in: Lower autofdo sampling rate by 10x.
7799         * Makefile.tpl: Dito.
7800
7801 2019-01-14  Tom Honermann  <tom@honermann.net>
7802
7803         * defaults.h: Define CHAR8_TYPE.
7804
7805 2019-01-14  Martin Sebor  <msebor@redhat.com>
7806
7807         PR target/88638
7808         * doc/extend.texi (Darwin Format Checks): Clarify.
7809
7810 2019-01-14  Richard Biener  <rguenther@suse.de>
7811
7812         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
7813         whether we are in (simplify ...) or (match ...) context.
7814
7815 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
7816
7817         PR rtl-optimization/88796
7818         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
7819         * cfgexpand.c (stack_protect_prologue): Initialize
7820         crtl->stack_protect_guard_decl.
7821         * function.c (stack_protect_epilogue): Use it instead of calling
7822         targetm.stack_protect_guard again.
7823         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
7824         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
7825         crtl->stack_protect_guard_decl.
7826         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
7827         on the returned MEM_EXPR.
7828
7829 2019-01-12  Tom de Vries  <tdevries@suse.de>
7830
7831         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
7832         vector length using -fopenacc-dim.
7833
7834 2019-01-12  Tom de Vries  <tdevries@suse.de>
7835
7836         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
7837         lengths into account.
7838
7839 2019-01-12  Svante Signell  <svante.signell@gmail.com>
7840
7841         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
7842         (TARGET_CAN_SPLIT_STACK): Define.
7843         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
7844
7845 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
7846
7847         * params.def (inline-unit-growth): Set to 40.
7848
7849 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
7850
7851         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
7852
7853 2019-01-12  Tom de Vries  <tdevries@suse.de>
7854
7855         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
7856         region calling vector-partitionable routine, set default_vector_length
7857         to WARP_SIZE.
7858
7859 2019-01-12  Tom de Vries  <tdevries@suse.de>
7860
7861         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
7862         variable default_vector_length.
7863
7864 2019-01-12  Tom de Vries  <tdevries@suse.de>
7865
7866         PR middle-end/88703
7867         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
7868         from oacc_default_dims, as oacc_validate_dims would do it, and apply
7869         dimensions limits.
7870
7871 2019-01-12  Tom de Vries  <tdevries@suse.de>
7872
7873         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
7874         (nvptx_goacc_validate_dims): Add used parameter.
7875         * doc/tm.texi: Regenerate.
7876         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
7877         argument to call to targetm.goacc.validate_dims.
7878         (default_goacc_validate_dims): Add used
7879         parameter.
7880         * target.def (validate_dims): Add used parameter in DEFHOOK.
7881         * targhooks.h (default_goacc_validate_dims): Add used parameter.
7882
7883 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7884
7885         PR middle-end/85956
7886         PR lto/88733
7887         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
7888         field.
7889         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
7890         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
7891         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
7892         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
7893
7894 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
7895
7896         PR rtl-optimization/87305
7897         * lra-assigns.c
7898         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
7899         for little endian pseudos used as paradoxical subreg.
7900
7901 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7902
7903         PR tree-optimization/88693
7904         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
7905         for STRING_CSTs that don't contain any NUL characters in the first
7906         TREE_STRING_LENGTH bytes.
7907
7908 2019-01-11  Alan Modra  <amodra@gmail.com>
7909
7910         PR 88777
7911         PR 88614
7912         * genattrtab.c (min_fn): Don't translate values.
7913         (min_attr_value): Return INT_MAX when the value can't be calculated.
7914         Return minimum among any values that can be calculated.
7915         (max_attr_value): Adjust.
7916
7917 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7918
7919         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
7920
7921 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
7922
7923         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7924         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
7925         (aarch64_return_call_with_max_clobbers): New function.
7926         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
7927         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
7928         argument.
7929         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
7930         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
7931         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
7932         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
7933         * cselib.c (cselib_process_insn): Add argument to
7934         targetm.hard_regno_call_part_clobbered call.
7935         * ira-conflicts.c (ira_build_conflicts): Ditto.
7936         * ira-costs.c (ira_tune_allocno_costs): Ditto.
7937         * lra-constraints.c (inherit_reload_reg): Ditto.
7938         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
7939         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
7940         argument.  Call targetm.return_call_with_max_clobbers.
7941         Add argument to targetm.hard_regno_call_part_clobbered call.
7942         (calls_have_same_clobbers_p): New function.
7943         (process_bb_lives): Add call_insn and last_call_insn variables.
7944         Pass call_insn to check_pseudos_live_through_calls.
7945         Modify if stmt to check targetm.return_call_with_max_clobbers.
7946         Update setting of flush variable.
7947         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
7948         to false.
7949         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
7950         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
7951         targetm.hard_regno_call_part_clobbered call.
7952         * reginfo.c (choose_hard_reg_mode): Ditto.
7953         * regrename.c (check_new_reg_p): Ditto.
7954         * reload.c (find_equiv_reg): Ditto.
7955         * reload1.c (emit_reload_insns): Ditto.
7956         * sched-deps.c (deps_analyze_insn): Ditto.
7957         * sel-sched.c (init_regs_for_mode): Ditto.
7958         (mark_unavailable_hard_regs): Ditto.
7959         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
7960         * target.def (hard_regno_call_part_clobbered): Add insn argument.
7961         (return_call_with_max_clobbers): New target function.
7962         * doc/tm.texi: Regenerate.
7963         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
7964         * hooks.c (hook_bool_uint_mode_false): Change to
7965         hook_bool_insn_uint_mode_false.
7966         * hooks.h (hook_bool_uint_mode_false): Ditto.
7967
7968 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
7969
7970         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
7971         (aarch64_remove_extra_call_preserved_regs): New function.
7972         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
7973         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
7974         * doc/tm.texi: Regenerate.
7975         * final.c (get_call_reg_set_usage): Call new hook.
7976         * target.def (remove_extra_call_preserved_regs): New hook.
7977         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
7978         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
7979
7980 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7981
7982         PR bootstrap/88714
7983         * passes.c (finish_optimization_passes): Call print_combine_total_stats
7984         inside of pass_combine_1 dump rather than pass_profile_1.
7985
7986 2019-01-11  Tom de Vries  <tdevries@suse.de>
7987
7988         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
7989         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
7990         (PTX_NUM_PER_WORKER_BARRIERS): Define.
7991         (nvptx_apply_dim_limits): Prevent vector_length 64 and
7992         num_workers 16.
7993
7994 2019-01-11  Tom de Vries  <tdevries@suse.de>
7995
7996         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
7997
7998 2019-01-11  Jan Beulich  <jbeulich@suse.com>
7999
8000         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8001         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8002         sse2_cvtsi2sd): Add {l}.
8003         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8004         syntax.
8005
8006 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8007
8008         PR target/88785
8009         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8010         define_expand.
8011         (*float<floatunssuffix>v2div2sf2): New define_insn.
8012         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8013         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8014         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8015         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8016         match_operands with "const0_operand" "C".
8017
8018 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8019
8020         * config/aarch64/aarch64-builtins.c
8021         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8022         (aarch64_init_simd_builtins): ...Here
8023
8024 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8025
8026         PR rtl-optimization/87305
8027         * lra-assigns.c
8028         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8029         allocation for big endian pseudos used as paradoxical subregs and
8030         spill them if it is wrong.
8031         * lra-constraints.c (lra_constraints): Add a comment.
8032
8033 2019-01-10  Richard Biener  <rguenther@suse.de>
8034
8035         PR tree-optimization/88792
8036         * tree-ssa-pre.c (get_representative_for): Do not return a
8037         value-number here.
8038
8039 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8040
8041         PR middle-end/84877
8042         PR bootstrap/88450
8043         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8044         (assign_parm_setup_block): Do the argument slot realignment here
8045         instead.
8046
8047 2019-01-10  Stefan Agner  <stefan@agner.ch>
8048
8049         PR target/88648
8050         * config/arm/arm.c (arm_option_override_internal): Force
8051         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8052
8053 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8054
8055         PR c/88568
8056         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8057         DECL_EXTERNAL.
8058
8059 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8060
8061         * config/arm/arm-builtins.c
8062         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8063         (MAC_LANE_PAIR_QUALIFIERS): New.
8064         (arm_expand_builtin_args): Use it.
8065         (arm_expand_builtin_1): Likewise.
8066         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8067         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8068         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8069         * config/arm/arm_neon.h:
8070         (vcadd_rot90_f16): New.
8071         (vcaddq_rot90_f16): New.
8072         (vcadd_rot270_f16): New.
8073         (vcaddq_rot270_f16): New.
8074         (vcmla_f16): New.
8075         (vcmlaq_f16): New.
8076         (vcmla_lane_f16): New.
8077         (vcmla_laneq_f16): New.
8078         (vcmlaq_lane_f16): New.
8079         (vcmlaq_laneq_f16): New.
8080         (vcmla_rot90_f16): New.
8081         (vcmlaq_rot90_f16): New.
8082         (vcmla_rot90_lane_f16): New.
8083         (vcmla_rot90_laneq_f16): New.
8084         (vcmlaq_rot90_lane_f16): New.
8085         (vcmlaq_rot90_laneq_f16): New.
8086         (vcmla_rot180_f16): New.
8087         (vcmlaq_rot180_f16): New.
8088         (vcmla_rot180_lane_f16): New.
8089         (vcmla_rot180_laneq_f16): New.
8090         (vcmlaq_rot180_lane_f16): New.
8091         (vcmlaq_rot180_laneq_f16): New.
8092         (vcmla_rot270_f16): New.
8093         (vcmlaq_rot270_f16): New.
8094         (vcmla_rot270_lane_f16): New.
8095         (vcmla_rot270_laneq_f16): New.
8096         (vcmlaq_rot270_lane_f16): New.
8097         (vcmlaq_rot270_laneq_f16): New.
8098         (vcadd_rot90_f32): New.
8099         (vcaddq_rot90_f32): New.
8100         (vcadd_rot270_f32): New.
8101         (vcaddq_rot270_f32): New.
8102         (vcmla_f32): New.
8103         (vcmlaq_f32): New.
8104         (vcmla_lane_f32): New.
8105         (vcmla_laneq_f32): New.
8106         (vcmlaq_lane_f32): New.
8107         (vcmlaq_laneq_f32): New.
8108         (vcmla_rot90_f32): New.
8109         (vcmlaq_rot90_f32): New.
8110         (vcmla_rot90_lane_f32): New.
8111         (vcmla_rot90_laneq_f32): New.
8112         (vcmlaq_rot90_lane_f32): New.
8113         (vcmlaq_rot90_laneq_f32): New.
8114         (vcmla_rot180_f32): New.
8115         (vcmlaq_rot180_f32): New.
8116         (vcmla_rot180_lane_f32): New.
8117         (vcmla_rot180_laneq_f32): New.
8118         (vcmlaq_rot180_lane_f32): New.
8119         (vcmlaq_rot180_laneq_f32): New.
8120         (vcmla_rot270_f32): New.
8121         (vcmlaq_rot270_f32): New.
8122         (vcmla_rot270_lane_f32): New.
8123         (vcmla_rot270_laneq_f32): New.
8124         (vcmlaq_rot270_lane_f32): New.
8125         (vcmlaq_rot270_laneq_f32): New.
8126         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8127         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8128         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8129         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8130         vcmlaq_lane270): New.
8131         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8132         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8133         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8134         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8135         (arm_option_reconfigure_globals): Use them.
8136         * config/arm/iterators.md (VDF, VQ_HSF): New.
8137         (VCADD, VCMLA): New.
8138         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8139         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8140         New.
8141         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8142         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8143
8144 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8145
8146         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8147         Add qualifier_lane_pair_index.
8148         (emit-rtl.h): Include.
8149         (TYPES_QUADOP_LANE_PAIR): New.
8150         (aarch64_simd_expand_args): Use it.
8151         (aarch64_simd_expand_builtin): Likewise.
8152         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8153         New.
8154         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8155         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8156         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8157         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8158         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8159         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8160         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8161         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8162         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8163         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8164         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8165         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8166         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8167         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8168         Add __ARM_FEATURE_COMPLEX.
8169         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8170         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8171         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8172         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8173         fcmlaq_lane270): New.
8174         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8175         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8176         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8177         * config/aarch64/arm_neon.h:
8178         (vcadd_rot90_f16): New.
8179         (vcaddq_rot90_f16): New.
8180         (vcadd_rot270_f16): New.
8181         (vcaddq_rot270_f16): New.
8182         (vcmla_f16): New.
8183         (vcmlaq_f16): New.
8184         (vcmla_lane_f16): New.
8185         (vcmla_laneq_f16): New.
8186         (vcmlaq_lane_f16): New.
8187         (vcmlaq_rot90_lane_f16): New.
8188         (vcmla_rot90_laneq_f16): New.
8189         (vcmla_rot90_lane_f16): New.
8190         (vcmlaq_rot90_f16): New.
8191         (vcmla_rot90_f16): New.
8192         (vcmlaq_laneq_f16): New.
8193         (vcmla_rot180_laneq_f16): New.
8194         (vcmla_rot180_lane_f16): New.
8195         (vcmlaq_rot180_f16): New.
8196         (vcmla_rot180_f16): New.
8197         (vcmlaq_rot90_laneq_f16): New.
8198         (vcmlaq_rot270_laneq_f16): New.
8199         (vcmlaq_rot270_lane_f16): New.
8200         (vcmla_rot270_laneq_f16): New.
8201         (vcmlaq_rot270_f16): New.
8202         (vcmla_rot270_f16): New.
8203         (vcmlaq_rot180_laneq_f16): New.
8204         (vcmlaq_rot180_lane_f16): New.
8205         (vcmla_rot270_lane_f16): New.
8206         (vcadd_rot90_f32): New.
8207         (vcaddq_rot90_f32): New.
8208         (vcaddq_rot90_f64): New.
8209         (vcadd_rot270_f32): New.
8210         (vcaddq_rot270_f32): New.
8211         (vcaddq_rot270_f64): New.
8212         (vcmla_f32): New.
8213         (vcmlaq_f32): New.
8214         (vcmlaq_f64): New.
8215         (vcmla_lane_f32): New.
8216         (vcmla_laneq_f32): New.
8217         (vcmlaq_lane_f32): New.
8218         (vcmlaq_laneq_f32): New.
8219         (vcmla_rot90_f32): New.
8220         (vcmlaq_rot90_f32): New.
8221         (vcmlaq_rot90_f64): New.
8222         (vcmla_rot90_lane_f32): New.
8223         (vcmla_rot90_laneq_f32): New.
8224         (vcmlaq_rot90_lane_f32): New.
8225         (vcmlaq_rot90_laneq_f32): New.
8226         (vcmla_rot180_f32): New.
8227         (vcmlaq_rot180_f32): New.
8228         (vcmlaq_rot180_f64): New.
8229         (vcmla_rot180_lane_f32): New.
8230         (vcmla_rot180_laneq_f32): New.
8231         (vcmlaq_rot180_lane_f32): New.
8232         (vcmlaq_rot180_laneq_f32): New.
8233         (vcmla_rot270_f32): New.
8234         (vcmlaq_rot270_f32): New.
8235         (vcmlaq_rot270_f64): New.
8236         (vcmla_rot270_lane_f32): New.
8237         (vcmla_rot270_laneq_f32): New.
8238         (vcmlaq_rot270_lane_f32): New.
8239         (vcmlaq_rot270_laneq_f32): New.
8240         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8241         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8242         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8243         (FCADD, FCMLA): New.
8244         (rot): New.
8245         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8246
8247 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8248
8249         PR other/16615
8250
8251         * config/pa/pa.c: Change "can not" to "cannot".
8252         * gimple-ssa-evrp-analyze.c: Likewise.
8253         * ipa-icf.c: Likewise.
8254         * ipa-polymorphic-call.c: Likewise.
8255         * ipa-pure-const.c: Likewise.
8256         * lra-constraints.c: Likewise.
8257         * lra-remat.c: Likewise.
8258         * reload1.c: Likewise.
8259         * reorg.c: Likewise.
8260         * tree-ssa-uninit.c: Likewise.
8261
8262 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8263
8264         PR other/16615
8265
8266         * Makefile.in: Mechanically replace "can not" with "cannot".
8267         * alias.c: Likewise.
8268         * builtins.c: Likewise.
8269         * calls.c: Likewise.
8270         * cgraph.c: Likewise.
8271         * cgraph.h: Likewise.
8272         * cgraphclones.c: Likewise.
8273         * cgraphunit.c: Likewise.
8274         * combine-stack-adj.c: Likewise.
8275         * combine.c: Likewise.
8276         * common/config/i386/i386-common.c: Likewise.
8277         * config/aarch64/aarch64.c: Likewise.
8278         * config/alpha/sync.md: Likewise.
8279         * config/arc/arc.c: Likewise.
8280         * config/arc/predicates.md: Likewise.
8281         * config/arm/arm-c.c: Likewise.
8282         * config/arm/arm.c: Likewise.
8283         * config/arm/arm.h: Likewise.
8284         * config/arm/arm.md: Likewise.
8285         * config/arm/cortex-r4f.md: Likewise.
8286         * config/csky/csky.c: Likewise.
8287         * config/csky/csky.h: Likewise.
8288         * config/darwin-f.c: Likewise.
8289         * config/epiphany/epiphany.md: Likewise.
8290         * config/i386/i386.c: Likewise.
8291         * config/i386/sol2.h: Likewise.
8292         * config/m68k/m68k.c: Likewise.
8293         * config/mcore/mcore.h: Likewise.
8294         * config/microblaze/microblaze.md: Likewise.
8295         * config/mips/20kc.md: Likewise.
8296         * config/mips/sb1.md: Likewise.
8297         * config/nds32/nds32.c: Likewise.
8298         * config/nds32/predicates.md: Likewise.
8299         * config/pa/pa.c: Likewise.
8300         * config/rs6000/e300c2c3.md: Likewise.
8301         * config/rs6000/rs6000.c: Likewise.
8302         * config/s390/s390.h: Likewise.
8303         * config/sh/sh.c: Likewise.
8304         * config/sh/sh.md: Likewise.
8305         * config/spu/vmx2spu.h: Likewise.
8306         * cprop.c: Likewise.
8307         * dbxout.c: Likewise.
8308         * df-scan.c: Likewise.
8309         * doc/cfg.texi: Likewise.
8310         * doc/extend.texi: Likewise.
8311         * doc/fragments.texi: Likewise.
8312         * doc/gty.texi: Likewise.
8313         * doc/invoke.texi: Likewise.
8314         * doc/lto.texi: Likewise.
8315         * doc/md.texi: Likewise.
8316         * doc/objc.texi: Likewise.
8317         * doc/rtl.texi: Likewise.
8318         * doc/tm.texi: Likewise.
8319         * dse.c: Likewise.
8320         * emit-rtl.c: Likewise.
8321         * emit-rtl.h: Likewise.
8322         * except.c: Likewise.
8323         * expmed.c: Likewise.
8324         * expr.c: Likewise.
8325         * fold-const.c: Likewise.
8326         * genautomata.c: Likewise.
8327         * gimple-fold.c: Likewise.
8328         * hard-reg-set.h: Likewise.
8329         * ifcvt.c: Likewise.
8330         * ipa-comdats.c: Likewise.
8331         * ipa-cp.c: Likewise.
8332         * ipa-devirt.c: Likewise.
8333         * ipa-fnsummary.c: Likewise.
8334         * ipa-icf.c: Likewise.
8335         * ipa-inline-transform.c: Likewise.
8336         * ipa-inline.c: Likewise.
8337         * ipa-polymorphic-call.c: Likewise.
8338         * ipa-profile.c: Likewise.
8339         * ipa-prop.c: Likewise.
8340         * ipa-pure-const.c: Likewise.
8341         * ipa-reference.c: Likewise.
8342         * ipa-split.c: Likewise.
8343         * ipa-visibility.c: Likewise.
8344         * ipa.c: Likewise.
8345         * ira-build.c: Likewise.
8346         * ira-color.c: Likewise.
8347         * ira-conflicts.c: Likewise.
8348         * ira-costs.c: Likewise.
8349         * ira-int.h: Likewise.
8350         * ira-lives.c: Likewise.
8351         * ira.c: Likewise.
8352         * ira.h: Likewise.
8353         * loop-invariant.c: Likewise.
8354         * loop-unroll.c: Likewise.
8355         * lower-subreg.c: Likewise.
8356         * lra-assigns.c: Likewise.
8357         * lra-constraints.c: Likewise.
8358         * lra-eliminations.c: Likewise.
8359         * lra-lives.c: Likewise.
8360         * lra-remat.c: Likewise.
8361         * lra-spills.c: Likewise.
8362         * lra.c: Likewise.
8363         * lto-cgraph.c: Likewise.
8364         * lto-streamer-out.c: Likewise.
8365         * postreload-gcse.c: Likewise.
8366         * predict.c: Likewise.
8367         * profile-count.h: Likewise.
8368         * profile.c: Likewise.
8369         * recog.c: Likewise.
8370         * ree.c: Likewise.
8371         * reload.c: Likewise.
8372         * reload1.c: Likewise.
8373         * reorg.c: Likewise.
8374         * resource.c: Likewise.
8375         * rtl.def: Likewise.
8376         * rtl.h: Likewise.
8377         * rtlanal.c: Likewise.
8378         * sched-deps.c: Likewise.
8379         * sched-ebb.c: Likewise.
8380         * sched-rgn.c: Likewise.
8381         * sel-sched-ir.c: Likewise.
8382         * sel-sched.c: Likewise.
8383         * shrink-wrap.c: Likewise.
8384         * simplify-rtx.c: Likewise.
8385         * symtab.c: Likewise.
8386         * target.def: Likewise.
8387         * toplev.c: Likewise.
8388         * tree-call-cdce.c: Likewise.
8389         * tree-cfg.c: Likewise.
8390         * tree-complex.c: Likewise.
8391         * tree-core.h: Likewise.
8392         * tree-eh.c: Likewise.
8393         * tree-inline.c: Likewise.
8394         * tree-loop-distribution.c: Likewise.
8395         * tree-nrv.c: Likewise.
8396         * tree-profile.c: Likewise.
8397         * tree-sra.c: Likewise.
8398         * tree-ssa-alias.c: Likewise.
8399         * tree-ssa-dce.c: Likewise.
8400         * tree-ssa-dom.c: Likewise.
8401         * tree-ssa-forwprop.c: Likewise.
8402         * tree-ssa-loop-im.c: Likewise.
8403         * tree-ssa-loop-ivcanon.c: Likewise.
8404         * tree-ssa-loop-ivopts.c: Likewise.
8405         * tree-ssa-loop-niter.c: Likewise.
8406         * tree-ssa-phionlycprop.c: Likewise.
8407         * tree-ssa-phiopt.c: Likewise.
8408         * tree-ssa-propagate.c: Likewise.
8409         * tree-ssa-threadedge.c: Likewise.
8410         * tree-ssa-threadupdate.c: Likewise.
8411         * tree-ssa-uninit.c: Likewise.
8412         * tree-ssanames.c: Likewise.
8413         * tree-streamer-out.c: Likewise.
8414         * tree.c: Likewise.
8415         * tree.h: Likewise.
8416         * vr-values.c: Likewise.
8417
8418 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8419
8420         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8421         (ix86_split_xorsign): Ditto.
8422         * config/i386/i386.c (ix86_expand_xorsign): New function.
8423         (ix86_split_xorsign): Ditto.
8424         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8425         (xorsign<mode>3): New expander.
8426         (xorsign<mode>3_1): New insn_and_split pattern.
8427         * config/i386/sse.md (xorsign<mode>3): New expander.
8428
8429 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8430
8431         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8432         (*tablejump_sp64): Likewise.
8433         (*tablejump<P:mode>): ...this.
8434         (*call_address_sp32): Merge into...
8435         (*call_address_sp64): Likewise.
8436         (*call_address<P:mode>): ...this.
8437         (*call_symbolic_sp32): Merge into...
8438         (*call_symbolic_sp64): Likewise.
8439         (*call_symbolic<P:mode>): ...this.
8440         (call_value): Remove constraint and add predicate.
8441         (*call_value_address_sp32): Merge into...
8442         (*call_value_address_sp64): Likewise.
8443         (*call_value_address<P:mode>): ...this.
8444         (*call_value_symbolic_sp32): Merge into...
8445         (*call_value_symbolic_sp64): Likewise.
8446         (*call_value_symbolic<P:mode>): ...this.
8447         (*sibcall_symbolic_sp32): Merge into...
8448         (*sibcall_symbolic_sp64): Likewise.
8449         (*sibcall_symbolic<P:mode>): ...this.
8450         (sibcall_value): Remove constraint and add predicate.
8451         (*sibcall_value_symbolic_sp32): Merge into...
8452         (*sibcall_value_symbolic_sp64): Likewise.
8453         (*sibcall_value_symbolic<P:mode>): ...this.
8454         (window_save): Minor tweak.
8455         (*branch_sp32): Merge into...
8456         (*branch_sp64): Likewise.
8457         (*branch<P:mode>): ...this.
8458
8459 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8460             James Clarke  <jrtc27@jrtc27.com>
8461
8462         PR target/84010
8463         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8464         consistently in TLS address generation and adjust code to the renaming
8465         of patterns.  Mark calls to __tls_get_addr as const.
8466         * config/sparc/sparc.md (tgd_hi22): Turn into...
8467         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8468         (tgd_lo10): Turn into...
8469         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8470         (tgd_add32): Merge into...
8471         (tgd_add64): Likewise.
8472         (tgd_add<P:mode>): ...this and use Pmode throughout.
8473         (tldm_hi22): Turn into...
8474         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8475         (tldm_lo10): Turn into...
8476         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8477         (tldm_add32): Merge into...
8478         (tldm_add64): Likewise.
8479         (tldm_add<P:mode>): ...this and use Pmode throughout.
8480         (tldm_call32): Merge into...
8481         (tldm_call64): Likewise.
8482         (tldm_call<P:mode>): ...this and use Pmode throughout.
8483         (tldo_hix22): Turn into...
8484         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8485         (tldo_lox10): Turn into...
8486         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8487         (tldo_add32): Merge into...
8488         (tldo_add64): Likewise.
8489         (tldo_add<P:mode>): ...this and use Pmode throughout.
8490         (tie_hi22): Turn into...
8491         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8492         (tie_lo10): Turn into...
8493         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8494         (tie_ld64): Use DImode throughout.
8495         (tie_add32): Merge into...
8496         (tie_add64): Likewise.
8497         (tie_add<P:mode>): ...this and use Pmode throughout.
8498         (tle_hix22_sp32): Merge into...
8499         (tle_hix22_sp64): Likewise.
8500         (tle_hix22<P:mode>): ...this and use Pmode throughout.
8501         (tle_lox22_sp32): Merge into...
8502         (tle_lox22_sp64): Likewise.
8503         (tle_lox22<P:mode>): ...this and use Pmode throughout.
8504         (*tldo_ldub_sp32): Merge into...
8505         (*tldo_ldub_sp64): Likewise.
8506         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
8507         (*tldo_ldub1_sp32): Merge into...
8508         (*tldo_ldub1_sp64): Likewise.
8509         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
8510         (*tldo_ldub2_sp32): Merge into...
8511         (*tldo_ldub2_sp64): Likewise.
8512         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
8513         (*tldo_ldsb1_sp32): Merge into...
8514         (*tldo_ldsb1_sp64): Likewise.
8515         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
8516         (*tldo_ldsb2_sp32): Merge into...
8517         (*tldo_ldsb2_sp64): Likewise.
8518         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
8519         (*tldo_ldub3_sp64): Use DImode throughout.
8520         (*tldo_ldsb3_sp64): Likewise.
8521         (*tldo_lduh_sp32): Merge into...
8522         (*tldo_lduh_sp64): Likewise.
8523         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
8524         (*tldo_lduh1_sp32): Merge into...
8525         (*tldo_lduh1_sp64): Likewise.
8526         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
8527         (*tldo_ldsh1_sp32): Merge into...
8528         (*tldo_ldsh1_sp64): Likewise.
8529         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
8530         (*tldo_lduh2_sp64): Use DImode throughout.
8531         (*tldo_ldsh2_sp64): Likewise.
8532         (*tldo_lduw_sp32): Merge into...
8533         (*tldo_lduw_sp64): Likewise.
8534         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
8535         (*tldo_lduw1_sp64): Use DImode throughout.
8536         (*tldo_ldsw1_sp64): Likewise.
8537         (*tldo_ldx_sp64): Likewise.
8538         (*tldo_stb_sp32): Merge into...
8539         (*tldo_stb_sp64): Likewise.
8540         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
8541         (*tldo_sth_sp32): Merge into...
8542         (*tldo_sth_sp64): Likewise.
8543         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
8544         (*tldo_stw_sp32): Merge into...
8545         (*tldo_stw_sp64): Likewise.
8546         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
8547         (*tldo_stx_sp64): Use DImode throughout.
8548
8549 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8550
8551         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
8552         check configure option to set BTI and Return Address Signing.
8553         * configure.ac: Add --enable-standard-branch-protection and
8554         --disable-standard-branch-protection.
8555         * configure: Regenerated.
8556         * doc/install.texi: Document the same.
8557
8558 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8559             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8560
8561         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
8562         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
8563         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
8564         if bti is enabled.
8565         * config/aarch64/aarch64-bti-insert.c: New file.
8566         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
8567         pass.
8568         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
8569         new bti pass.
8570         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
8571         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
8572         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
8573         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
8574
8575 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8576
8577         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
8578         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
8579         Disable bti for -mbranch-protection=none.
8580         (aarch64_handle_standard_branch_protection): Enable bti for
8581         -mbranch-protection=standard.
8582         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
8583         -mbranch-protection.
8584         (aarch64_bti_enabled): Check if bti is enabled.
8585         * config/aarch64/aarch64.opt: Declare target variable.
8586         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
8587
8588 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8589
8590         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
8591         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
8592         (aarch64_expand_epilogue): Likewise.
8593         (aarch64_output_mi_thunk): Likewise
8594         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
8595         TAILCALL_ADDR_REGS to x16 and x17.
8596         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
8597
8598 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8599
8600         * config/aarch64/aarch64-option-extensions.def: Define
8601         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
8602         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
8603         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
8604         (AARCH64_FL_PREDRES): New.
8605         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
8606         AARCH64_FL_PREDRES by default.
8607         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
8608
8609 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8610
8611         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
8612         ARMv8.5-A.
8613         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
8614         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
8615         * doc/invoke.texi: Document ARMv8.5-A.
8616
8617 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
8618
8619         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
8620         (xorsign<mode>3): Likewise.
8621
8622 2019-01-09  Jelinek  <jakub@redhat.com>
8623
8624         PR middle-end/88758
8625         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
8626         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
8627
8628         PR rtl-optimization/88331
8629         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
8630         not currently_expanding_to_rtl.
8631
8632 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8633
8634         * doc/invoke.texi (-Os): Remove trailing spaces.
8635         (-finline-functions): Remove reference to -O2.
8636
8637 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
8638
8639         PR rtl-optimization/79593
8640         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
8641
8642         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
8643         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
8644
8645 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
8646
8647         PR bootstrap/88721
8648         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
8649         to -1 on entry.
8650
8651         PR debug/88723
8652         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
8653         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
8654
8655 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8656
8657         PR target/88717
8658         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
8659         ix86_avx_u128_mode_entry.
8660
8661 2019-01-08  Martin Liska  <mliska@suse.cz>
8662
8663         PR tree-optimization/88753
8664         * tree-switch-conversion.c (switch_conversion::build_one_array):
8665         Come up with local variable constructor.  Convert first to
8666         type of constructor values.
8667
8668 2019-01-08  Richard Biener  <rguenther@suse.de>
8669
8670         PR tree-optimization/86554
8671         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
8672         rpo_avail): Move earlier.
8673         (visit_nary_op): When value-numbering to expressions
8674         with different overflow behavior make sure there's an
8675         available expression on the path.
8676
8677 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
8678
8679         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
8680         aarch64_parse_branch_protection,
8681         struct aarch64_branch_protect_type,
8682         aarch64_handle_no_branch_protection,
8683         aarch64_handle_standard_branch_protection,
8684         aarch64_validate_mbranch_protection,
8685         aarch64_handle_pac_ret_protection,
8686         aarch64_handle_attr_branch_protection,
8687         accepted_branch_protection_string,
8688         aarch64_pac_ret_subtypes,
8689         aarch64_branch_protect_types,
8690         aarch64_handle_pac_ret_leaf): Define.
8691         (aarch64_override_options_after_change_1, aarch64_override_options):
8692         Add check for accepted_branch_protection_string.
8693         (aarch64_option_save): Save accepted_branch_protection_string.
8694         (aarch64_option_restore): Save accepted_branch_protection_string.
8695         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
8696         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
8697         msign-return-address.
8698         * doc/invoke.texi: Add mbranch-protection.
8699
8700 2019-01-08  Alan Modra  <amodra@gmail.com>
8701
8702         PR target/88614
8703         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
8704         Delete "unknownp" parameter.  Adjust callers.  Handle
8705         CONST_INT, PLUS, MINUS, and MULT.
8706         (attr_value_aligned): Renamed from or_attr_value.
8707         (min_attr_value): Return INT_MIN for unhandled rtl case..
8708         (min_fn): ..and translate to INT_MAX here.
8709         (write_length_unit_log): Modify to cope without "unknown".
8710         (write_attr_value): Handle IF_THEN_ELSE.
8711
8712 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8713
8714         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
8715         optimization for masked stores.
8716
8717 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8718
8719         PR middle-end/88567
8720         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
8721         output vector directly to duplicate_and_interleave instead of
8722         going through a temporary.  Postpone insertion of ctor_seq to
8723         the end of the loop.
8724
8725 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
8726
8727         PR target/86891
8728         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
8729         unsigned_p.  Handle signed and unsigned overflow correction as
8730         required.
8731         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
8732         prototype.
8733         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
8734         for operand 2.
8735         (add<mode>3_compareV_imm): Make this callable for expanding.
8736         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
8737         aarch64_plus_operand for operand 2.
8738         (subv<GPI:mode>_insn): New insn pattern.
8739         (subv<GPI:mode>_imm): Likewise.
8740         (negv<GPI:mode>3): New expand pattern.
8741         (negv<GPI:mode>_insn): New insn pattern.
8742         (negv<GPI:mode>_cmp_only): Likewise.
8743         (cmpv<GPI:mode>_insn): Likewise.
8744         (subvti4): Use register_operand for operand 1.  Update call to
8745         aarch64_expand_subvti.
8746         (usubvti4): Likewise.
8747         (negvti3): New expand pattern.
8748         (negdi_carryout): New insn pattern.
8749         (negvdi_carryinV): New insn pattern.
8750         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
8751         version the named version.
8752         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
8753         operands.
8754         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
8755         patterns.
8756         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
8757         patterns.
8758         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
8759         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
8760         (sub<mode>3_carryinCV): Delete.
8761         (sub<GPI:mode>3_carryinV): New expand pattern.
8762         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
8763
8764 2019-01-07  Richard Biener  <rguenther@suse.de>
8765
8766         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
8767         of tree_operand_hash.
8768
8769 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8770
8771         PR tree-optimization/88598
8772         * tree.h (single_nonzero_element): Declare.
8773         * tree.c (single_nonzero_element): New function.
8774         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
8775         if I is the only nonzero element of CST.
8776
8777 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8778
8779         PR tree-optimization/88598
8780         * tree.h (initializer_each_zero_or_onep): Declare.
8781         * tree.c (initializer_each_zero_or_onep): New function.
8782         (signed_or_unsigned_type_for): Handle float types too.
8783         (unsigned_type_for, signed_type_for): Update comments accordingly.
8784         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
8785         x & { 0 or -1, 0 or -1, ... }.
8786
8787 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
8788
8789         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
8790         with x86_64-pc-linux-gnu.
8791
8792 2019-01-07  Tom de Vries  <tdevries@suse.de>
8793
8794         PR target/85486
8795         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
8796         function.
8797         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
8798         routines.
8799
8800 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
8801
8802         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
8803         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
8804         TARGET_AVX512F as condition.
8805
8806         PR debug/88723
8807         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
8808         const_not_ok_for_debug_p target hook.
8809         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
8810         on UNSPEC and subexpressions thereof if all subexpressions of the
8811         UNSPEC are CONSTANT_P.
8812
8813         PR tree-optimization/88676
8814         * tree-ssa-phiopt.c (two_value_replacement): New function.
8815         (tree_ssa_phiopt_worker): Call it.
8816
8817         PR sanitizer/88619
8818         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
8819         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
8820
8821         PR c++/85052
8822         * tree-vect-generic.c: Include insn-config.h and recog.h.
8823         (expand_vector_piecewise): Add defaulted ret_type argument,
8824         if non-NULL, use that in preference to type for the result type.
8825         (expand_vector_parallel): Formatting fix.
8826         (do_vec_conversion, do_vec_narrowing_conversion,
8827         expand_vector_conversion): New functions.
8828         (expand_vector_operations_1): Call expand_vector_conversion
8829         for VEC_CONVERT ifn calls.
8830         * internal-fn.def (VEC_CONVERT): New internal function.
8831         * internal-fn.c (expand_VEC_CONVERT): New function.
8832         * fold-const-call.c (fold_const_vec_convert): New function.
8833         (fold_const_call): Use it for CFN_VEC_CONVERT.
8834         * doc/extend.texi (__builtin_convertvector): Document.
8835
8836 2019-01-07  Tom de Vries  <tdevries@suse.de>
8837
8838         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
8839         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
8840         vector_red_partition, vector_red_sym): New global variables.
8841         (nvptx_option_override): Initialize vector_red_sym.
8842         (nvptx_declare_function_name): Restore red_partition register.
8843         (nvptx_file_end): Emit code to declare the vector reduction variables.
8844         (nvptx_output_red_partition): New function.
8845         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
8846         large vector reductions.
8847         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
8848         (nvptx_init_builtins): Add VECTOR_ADDR.
8849         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
8850         Handle nvptx_expand_shared_addr.
8851         (nvptx_get_shared_red_addr): Add vector argument and handle large
8852         vectors.
8853         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
8854         large vectors.
8855         (nvptx_goacc_reduction_init): Likewise.
8856         (nvptx_goacc_reduction_fini): Likewise.
8857         (nvptx_goacc_reduction_teardown): Likewise.
8858         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
8859         init,fini,teardown}.
8860         (nvptx_init_axis_predicate): Initialize vector_red_partition.
8861         (nvptx_set_current_function): Init vector_red_partition.
8862         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
8863         (nvptx_red_partition): New insn.
8864         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
8865
8866 2019-01-07  Tom de Vries  <tdevries@suse.de>
8867
8868         PR target/85381
8869         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
8870         empty loops.
8871
8872 2019-01-07  Tom de Vries  <tdevries@suse.de>
8873
8874         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
8875         (nvptx_option_override): Init oacc_bcast_partition.
8876         (nvptx_init_oacc_workers): New function.
8877         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
8878         (nvptx_needs_shared_bcast): New function.
8879         (nvptx_find_par): Generalize to enable vectors to use shared-memory
8880         to propagate state.
8881         (nvptx_shared_propagate): Initialize vector bcast partition and
8882         synchronization state.
8883         (nvptx_single):  Generalize to enable vectors to use shared-memory
8884         to propagate state.
8885         (nvptx_process_pars): Likewise.
8886         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
8887         * config/nvptx/nvptx.h (struct machine_function): Add
8888         bcast_partition and sync_bar members.
8889
8890 2019-01-07  Tom de Vries  <tdevries@suse.de>
8891
8892         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
8893         (nvptx_apply_dim_limits): New function.
8894         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
8895         PTX_WARP_SIZE.
8896
8897 2019-01-07  Tom de Vries  <tdevries@suse.de>
8898
8899         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
8900         as late as possible.
8901
8902 2019-01-07  Tom de Vries  <tdevries@suse.de>
8903
8904         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
8905         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
8906         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
8907         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
8908         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
8909
8910 2019-01-07  Tom de Vries  <tdevries@suse.de>
8911
8912         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
8913
8914 2019-01-07  Tom de Vries  <tdevries@suse.de>
8915
8916         * omp-offload.c (oacc_get_min_dim): New function.
8917         * omp-offload.h (oacc_get_min_dim): Declare.
8918
8919 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
8920
8921         PR target/88521
8922         * config/i386/i386.c (function_value_ms_64): Return small sturct in
8923         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
8924
8925 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8926
8927         PR tree-opt/86020
8928         Revert:
8929         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
8930
8931         * ipa-inline.c (edge_badness): Use inlined_time instead of
8932         inline_summaries->get.
8933
8934 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8935
8936         * opts.c (enable_fdo_optimizations): Enable
8937         version-loops-for-strides, loop-interchange, unrol-and-jam
8938         and tree-loop-distribution.
8939         * invoke.texi: Document newly enabled options.
8940
8941 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8942
8943         * doc/invoke.texi (max-inline-insns-small): New parameters.
8944         * ipa-inline.c (want_early_inline_function_p): simplify.
8945         (want_inline_small_function_p): Fix pasto from previous patch;
8946         use max-inline-insns-small bound.
8947         * params.def (max-inline-insns-small): New param.
8948         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
8949         variables correctly.
8950
8951 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8952
8953         * doc/invoke.texi: Document max-inline-insns-size,
8954         uninlined-function-insns, uninlined-function-time,
8955         uninlined-thunk-insns and uninlined-thunk-time.
8956         * params.def: Add max-inline-insns-size,
8957         uninlined-function-insns, uninlined-function-time,
8958         uninlined-thunk-insns and uninlined-thunk-time.
8959         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
8960         new parameters.
8961         * ipa-inline.c (can_inline_edge_by_limits_p,
8962         want_inline_small_function_p): Use new parameters.
8963
8964 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8965
8966         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
8967
8968 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
8969
8970         PR middle-end/82564
8971         PR target/88620
8972         * expr.c (expand_assignment): For calls returning VLA structures
8973         if to_rtx is not a MEM, force it into a stack temporary.
8974
8975         PR debug/88635
8976         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
8977         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
8978         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
8979         subexpressions of both operands.
8980         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
8981         subrtxes are CONSTANT_P.
8982         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
8983         2018-11-09 changes.
8984
8985 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
8986
8987         * params.def (hot-bb-count-ws-permille): Set to 990.
8988
8989 2019-01-04  Martin Sebor  <msebor@redhat.com>
8990
8991         PR c/88546
8992         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
8993         leaf.
8994
8995 2019-01-04  Martin Sebor  <msebor@redhat.com>
8996
8997         PR c/88363
8998         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
8999
9000 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9001
9002         * gdbinit.in: Turn off pagination for the skip commands, restore
9003         it to previous state afterwards.
9004
9005 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9006
9007         PR target/88594
9008         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9009         of GET_MODE (opN) as modes of the libcall arguments.
9010
9011 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9012
9013         * config/i386/sse.md
9014         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9015         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9016         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9017         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9018         avx512f_vmcmp<mode>3<round_saeonly_name>,
9019         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9020         avx512f_maskcmp<mode>3,
9021         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9022         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9023         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9024         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9025         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9026         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9027         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9028         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9029         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9030         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9031         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9032         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9033         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9034         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9035         avx512cd_maskb_vec_dup<mode>,
9036         avx512cd_maskw_vec_dup<mode>,
9037         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9038         avx512dq_vmfpclass<mode>,
9039         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9040         instead of =Yk.
9041
9042 2019-01-03  Martin Sebor  <msebor@redhat.com>
9043
9044         PR tree-optimization/88659
9045         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9046
9047 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9048
9049         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9050         unaligned vsx and avoid lxvd2x/stxvd2x.
9051         (gen_lvx_v4si_move): New function.
9052
9053 2019-01-03  Tom de Vries  <tdevries@suse.de>
9054
9055         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9056         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9057         function.
9058         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9059
9060 2019-01-03  Tom de Vries  <tdevries@suse.de>
9061
9062         * config/nvptx/nvptx.c (struct offload_attrs): New.
9063         (populate_offload_attrs): New function.  Factor mask extraction out of
9064         nvptx_reorg.  Add extraction of dimensions.
9065         (nvptx_reorg): Use populate_offload_attrs.
9066
9067 2019-01-03  Tom de Vries  <tdevries@suse.de>
9068
9069         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9070         cases for oacc_min_dims_p and routine_p.  Add asserts for
9071         oacc_default_dims_p and offload_region_p.
9072
9073 2019-01-03  Tom de Vries  <tdevries@suse.de>
9074
9075         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9076         factored out of ...
9077         (nvptx_goacc_validate_dims): ... here.
9078
9079 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9080
9081         PR tree-optimization/85574
9082         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9083         structure.
9084         (struct ssa_equip_hash_traits): Declare.
9085         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9086
9087 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9088
9089         PR debug/88644
9090         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9091         change it to qualified_type.
9092
9093 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9094
9095         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9096         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9097
9098 2019-01-02  Martin Sebor  <msebor@redhat.com>
9099             Jeff Law  <law@redhat.com>
9100
9101         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9102         (get_range_strlen_tree): Update appropriately.
9103         (get_range_strlen)
9104         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9105
9106         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9107         rather than set_range_info.
9108         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9109         maybe_set_strlen_range.  Handle potentially boundary crossing
9110         cases more conservatively.
9111         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9112         Call set_strlen_range.
9113         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9114
9115         PR middle-end/88663
9116         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9117         need the flexp argument.
9118         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9119         from calls to get_range_strlen.  Update comments.  Just update
9120         VAL for an unterminated const char array and let the reset of the
9121         code handle it normally.  No longer try to set *flexp.  Adjust
9122         return value.
9123         (get_range_strlen): Update for the new get_range_strlen API.
9124         (get_maxval_strlen): Similarly.
9125         (gimple_fold_builtin_strlen): Handle update meaning of return value
9126         from get_range_strlen.
9127         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9128         get_range_strlen API.
9129
9130 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9131
9132         PR lto/88130
9133         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9134         false at WPA time when body was removed.
9135
9136 2019-01-02  Martin Liska  <mliska@suse.cz>
9137
9138         PR tree-optimization/88650
9139         * predict.c (set_even_probabilities): Calculate probability
9140         remainer only when really used.
9141
9142 2019-01-02  Richard Biener  <rguenther@suse.de>
9143
9144         PR middle-end/88651
9145         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9146         widest_ints when mangling max_stmt_execution results.
9147
9148 2019-01-02  Richard Biener  <rguenther@suse.de>
9149
9150         PR tree-optimization/88621
9151         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9152         bitfields when canoncalizing.
9153
9154 2019-01-02  Richard Biener  <rguenther@suse.de>
9155
9156         PR target/87545
9157         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9158         cost of cheap SSE instruction.
9159
9160 2019-01-02  Richard Biener  <rguenther@suse.de>
9161
9162         PR ipa/85574
9163         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9164         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9165         function.
9166         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9167         set after UIDs before splitting them.
9168
9169 2019-01-01  Martin Sebor  <msebor@redhat.com>
9170             Jeff Law  <law@redhat.com>
9171
9172         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9173         length is optimistic.  If it is, then arrange to compute the
9174         conservative length as well.
9175
9176         * gimple-fold.h (get_range_strlen): Update prototype.
9177         * builtins.c (check_access): Update call to get_range_strlen to use
9178         c_strlen_data pointer.   Change various variable accesses to instead
9179         pull data from the c_strlen_data structure.
9180         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9181         * calls.c (maybe_warn_nonstring_arg): Likewise.
9182         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9183         minimum length if maximum lengh is unknown.
9184         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9185         that used c_strlen, it's no longer needed.  Restructure slightly.
9186         (format_string): Set unlikely range appropriately.
9187         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9188         formatting issues.
9189         (get_range_strlen):  Accept c_strlen_data pointer for external
9190         call sites as well.  Pass through to call to internal get_range_strlen.
9191         Adjust minlen, maxlen and maxbound as needed.
9192         (get_maxval_strlen): Update comments.
9193         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9194         to use c_strlen_data pointer.  Change variable accesses to instead
9195         use c_strlen_data data members.
9196
9197         * gimple-fold.c (get_range_strlen): Update prototype.
9198         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9199         local variables.  Use pdata to return information to caller.
9200         Update calls to get_range_strlen.  Update pdata->maxbound.
9201         (get_range_strlen -- static version): Similarly.
9202         (get_range_strlen -- extern version): Update for internal
9203         get_range_strlen API change.  Convert to external data format.
9204         (get_maxval_strlen): Similarly.
9205
9206 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9207
9208         * coverage.c (get_coverage_counts): Use current_function_decl.
9209         * profile.c (read_thunk_profile): New function.
9210         (branch_prob): Add THUNK parameter.
9211         * tree-profile.c (tree_profiling): Handle thunks.
9212         * value-prof.c (init_node_map): Handle thunks.
9213         * value-prof.h (branch_prob): Upate prototype.
9214         (read_thunk_profile): Declare.
9215
9216 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9217
9218         Update copyright years.
9219
9220         * gcc.c (process_command): Update copyright notice dates.
9221         * gcov-dump.c (print_version): Ditto.
9222         * gcov.c (print_version): Ditto.
9223         * gcov-tool.c (print_version): Ditto.
9224         * gengtype.c (create_file): Ditto.
9225         * doc/cpp.texi: Bump @copying's copyright year.
9226         * doc/cppinternals.texi: Ditto.
9227         * doc/gcc.texi: Ditto.
9228         * doc/gccint.texi: Ditto.
9229         * doc/gcov.texi: Ditto.
9230         * doc/install.texi: Ditto.
9231         * doc/invoke.texi: Ditto.
9232 \f
9233 Copyright (C) 2019 Free Software Foundation, Inc.
9234
9235 Copying and distribution of this file, with or without modification,
9236 are permitted in any medium without royalty provided the copyright
9237 notice and this notice are preserved.