gcc/ChangeLog

   1 2019-05-22  Jason Merrill  <jason@redhat.com>
   2
   3         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
   4
   5 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
   6
   7         PR target/88483
   8         * config/i386/i386-options.c (ix86_init_machine_status): Set
   9         stack_frame_required to true.
  10         * config/i386/i386.c (ix86_get_frame_size): New function.
  11         (ix86_frame_pointer_required): Replace get_frame_size with
  12         ix86_get_frame_size.
  13         (ix86_compute_frame_layout): Likewise.
  14         (ix86_find_max_used_stack_alignment): Changed to void.  Set
  15         stack_frame_required.
  16         (ix86_finalize_stack_frame_flags): Always call
  17         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
  18         ix86_get_frame_size.
  19         * config/i386/i386.h (machine_function): Add stack_frame_required.
  20
  21 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
  22
  23         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
  24
  25 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
  26
  27         * common/config/aarch64/aarch64-common.c
  28         (struct aarch64_option_extension, struct processor_name_to_arch,
  29         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
  30         aarch64_contains_opt,
  31         aarch64_get_extension_string_for_isa_flags): Change type of
  32         variables storing flags to uint64_t.
  33         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
  34         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
  35         * config/aarch64/aarch64.c (struct processor,
  36         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
  37         aarch64_validate_march, aarch64_override_options,
  38         aarch64_option_print, aarch64_handle_attr_isa_flags,
  39         aarch64_declare_function_name, aarch64_start_file): Make flag
  40         variables uint64_t.
  41         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
  42         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
  43         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
  44         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
  45         * config/aarch64/driver-aarch64.c
  46         (struct aarch64_arch_extension, struct aarch64_core_data,
  47         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
  48         flag variables uint64_t.
  49         * doc/invoke.texi: Add documentation for new arguments.
  50
  51 2019-05-22  Richard Biener  <rguenther@suse.de>
  52
  53         * alias.c (ao_ref_from_mem): Move stack-slot sharing
  54         rewrite ...
  55         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
  56
  57 2019-05-22  Martin Liska  <mliska@suse.cz>
  58
  59         PR lto/90500
  60         * doc/extend.texi: Document the change.
  61
  62 2019-05-22  Richard Biener  <rguenther@suse.de>
  63
  64         PR tree-optimization/90450
  65         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
  66         (mem_ref_hasher::equal): Check it.
  67         (mem_ref_alloc): Initialize it.
  68         (gather_mem_refs_stmt): Set it.
  69
  70 2019-05-22  Richard Biener  <rguenther@suse.de>
  71
  72         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
  73         Add ABS_EXPR.
  74         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
  75         as ABSU_EXPR.
  76
  77 2019-05-22  Alan Modra  <amodra@gmail.com>
  78
  79         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
  80         (ASM_CPU_SPEC): Conditionally add -many.
  81         * config/rs6000/rs6000.c (rs6000_machine): New static var.
  82         (rs6000_machine_from_flags, emit_asm_machine): New functions..
  83         (rs6000_file_start): ..extracted from here, and modified to
  84         test all ISA bits.
  85         (rs6000_output_function_prologue): Emit .machine as necessary.
  86         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
  87         power mnemonics.
  88         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
  89         added by check_vect_support_and_set_flags.
  90         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
  91         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
  92
  93 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
  94
  95         PR middle-end/90553
  96         * ira-lives.c (process_bb_node_lives): Consider defs
  97         for a call insn to be die before the call, not after.
  98
  99         * function.c (assign_parm_setup_block): Raise alignment of
 100         stacked parameter only for STRICT_ALIGNMENT targets.
 101
 102 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 103
 104         * config/rs6000/constraints.md (define_register_constraint "wz"):
 105         Delete.
 106         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 107         RS6000_CONSTRAINT_wz.
 108         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 109         (rs6000_init_hard_regno_mode_ok): Adjust.
 110         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 111         * doc/md.texi (Machine Constraints): Adjust.
 112
 113 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 114
 115         * config/rs6000/constraints.md (define_register_constraint "wl"):
 116         Delete.
 117         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 118         RS6000_CONSTRAINT_wl.
 119         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 120         (rs6000_init_hard_regno_mode_ok): Adjust.
 121         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 122         * doc/md.texi (Machine Constraints): Adjust.
 123
 124 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 125
 126         * config/rs6000/constraints.md (define_register_constraint "wm"):
 127         Delete.
 128         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 129         RS6000_CONSTRAINT_wm.
 130         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 131         (rs6000_init_hard_regno_mode_ok): Adjust.
 132         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 133         * doc/md.texi (Machine Constraints): Adjust.
 134
 135 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 136
 137         * config/rs6000/constraints.md (define_register_constraint "wk"):
 138         Delete.
 139         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 140         RS6000_CONSTRAINT_wk.
 141         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 142         (rs6000_init_hard_regno_mode_ok): Adjust.
 143         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 144         * doc/md.texi (Machine Constraints): Adjust.
 145
 146 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 147
 148         * config/rs6000/constraints.md (define_register_constraint "wj"):
 149         Delete.
 150         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 151         RS6000_CONSTRAINT_wj.
 152         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 153         (rs6000_init_hard_regno_mode_ok): Adjust.
 154         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 155         (VS_64dm): Delete.
 156         * config/rs6000/vsx.md: Ditto.
 157         * doc/md.texi (Machine Constraints): Adjust.
 158
 159 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 160
 161         * config/rs6000/constraints.md (define_register_constraint "wh"):
 162         Delete.
 163         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 164         RS6000_CONSTRAINT_wh.
 165         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 166         (rs6000_init_hard_regno_mode_ok): Adjust.
 167         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 168         * doc/md.texi (Machine Constraints): Adjust.
 169
 170 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 171
 172         PR target/90547
 173         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 174         Avoid calling gen_lowpart with CONST operand.
 175
 176 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 177
 178         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 179         field template_last_to_copy.
 180         (ssa_create_duplicates): Set it, and use it.  Attempt to
 181         preserve more debug stmts.
 182
 183 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 184
 185         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 186         (signbit<mode>2): New expander
 187
 188 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 189
 190         PR bootstrap/87338
 191         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 192         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 193
 194 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 195
 196         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 197         %ebx and %ecx bafore calling cpuid with leaf 1 or
 198         non-constant leaf argument.
 199
 200 2019-05-21  Alan Modra  <amodra@gmail.com>
 201
 202         PR target/90545
 203         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 204         power9 direct move cost.
 205         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 206         Correct comments and rename functions to suit parameters.
 207
 208 2019-05-21  Richard Biener  <rguenther@suse.de>
 209
 210         PR middle-end/90510
 211         * fold-const.c (fold_read_from_vector): New function.
 212         * fold-const.h (fold_read_from_vector): Declare.
 213         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 214         single-element insert permutations.  Canonicalize selector
 215         further and fix issue with last commit.
 216
 217 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 218
 219         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 220         parameter with default value false to declaration.
 221         (split_edges_for_insertion): New inline function.  Wrapper for
 222         split_critical_edges with for_edge_insertion_p = true.
 223         * tree-cfg.c (split_critical_edges): Don't split non-critical
 224         edges if for_edge_insertion_p is false.  Fix whitespace.
 225         * tree-ssa-pre.c (pass_pre::execute): Call
 226         split_edges_for_insertion instead of split_critical_edges.
 227         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 228         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 229         (pass_data_sink_code): Update function name in the comment.
 230
 231 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 232
 233         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 234         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 235         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 236         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 237         positives.
 238
 239 2019-05-21  Martin Liska  <mliska@suse.cz>
 240
 241         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 242         an extra newline.
 243         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 244         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 245         vec_lvsr.
 246         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 247         Quote a C type.
 248         (rs6000_function_arg): Likewise.
 249         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 250         (rs6000_expand_ternop_builtin): Use interval syntax.
 251         (get_element_number): Likewise.
 252         (altivec_expand_builtin): Likewise.
 253         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 254
 255 Fix test-suite.
 256
 257 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 258
 259         PR c++/59813
 260         PR target/90418
 261         * function.h (struct function): Add calls_eh_return member.
 262         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 263         gimplifying __builtin_eh_return call.
 264         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 265         to cfun.
 266         (expand_call_inline): Or in src_cfun->calls_eh_return into
 267         dst_cfun->calls_eh_return.
 268         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 269         cfun->calls_eh_return.
 270         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 271         * lto-streamer-out.c (output_struct_function_base): Write
 272         calls_eh_return.
 273
 274 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 275
 276         PR rtl-optimization/43147
 277         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 278         IX86_BUILTIN_SHUFPD.
 279
 280 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 281
 282         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 283         (refs_may_alias_p_1): ... here; update stats.
 284         (refs_may_alias_p): Do not update stats here.
 285
 286 2019-05-20  Richard Biener  <rguenther@suse.de>
 287
 288         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 289         doesn't produce pointers.
 290         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 291         the first operand points to.
 292
 293 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 294
 295         * tree-ssa-alias.c (compare_sizes): New function.
 296         (sompare_type_sizes): New function
 297         (aliasing_component_refs_p): Use it.
 298         (indirect_ref_may_alias_decl_p): Likewise.
 299
 300 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 301
 302         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 303
 304 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 305
 306         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 307         (LIBLSAN_EARLY_SPEC): Likewise.
 308         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 309
 310 2019-05-20  Martin Liska  <mliska@suse.cz>
 311
 312         * config/i386/i386.c (ix86_libc_has_fast_function):
 313         Add ATTRIBUTE_UNUSED for the argument.
 314
 315 2019-05-20  Richard Biener  <rguenther@suse.de>
 316
 317         * gimple-match-head.c: Include vec-perm-indices.h.
 318         * generic-match-head.c: Likewise.
 319         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 320         is included.
 321         * fold-const.c (fold_vec_perm): Export.
 322         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 323         (match.pd): ...here.
 324
 325 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 326
 327         * cfgloop.h (struct loop): Add simdlen member.
 328         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 329         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 330         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
 331         as new argument to autovectorize_vector_sizes target hook.  If
 332         loop->simdlen, pick up vector size where the vectorization factor
 333         is equal to loop->simd, and if there is none, fall back to the first
 334         successful one.
 335         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
 336         caller.
 337         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 338         * omp-general.c (omp_max_vf): Likewise.
 339         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
 340         * tree-vect-slp.c (vect_slp_bb): Likewise.
 341         * target.def (autovectorize_vector_sizes): Add ALL argument and
 342         document it.
 343         * doc/tm.texi: Adjust documentation.
 344         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
 345         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
 346         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
 347         bool argument.
 348         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
 349         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
 350         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
 351         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
 352         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
 353         preferred vector size is not 512-bit or 256-bit, just put those
 354         unpreferred ones last.
 355
 356 2019-05-20  Martin Liska  <mliska@suse.cz>
 357
 358         * targhooks.c (default_libc_has_fast_function): New function.
 359         * targhooks.h (default_libc_has_fast_function): Likewise.
 360
 361 2019-05-20  Martin Liska  <mliska@suse.cz>
 362
 363         PR middle-end/90263
 364         * builtins.c (expand_builtin_memory_copy_args): When having a
 365         target with fast mempcpy implementation do now use memcpy.
 366         * config/i386/i386.c (ix86_libc_has_fast_function): New.
 367         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
 368         * doc/tm.texi: Likewise.
 369         * doc/tm.texi.in: Likewise.
 370         * target.def:
 371         * expr.c (emit_block_move_hints): Add 2 new arguments.
 372         * expr.h (emit_block_move_hints): Bail out when libcall
 373         to memcpy would be used.
 374
 375 2019-05-20  Martin Liska  <mliska@suse.cz>
 376
 377         * profile-count.c: Add vertical spacing in order
 378         to separate functions.
 379         * profile-count.h: Likewise.
 380
 381 2019-05-20  Martin Liska  <mliska@suse.cz>
 382
 383         * profile-count.h: Do not use full qualified
 384         names if possible.
 385         * profile-count.c (profile_count::to_frequency): Likewise.
 386
 387 2019-05-20  Martin Liska  <mliska@suse.cz>
 388
 389         * profile-count.h (enum profile_quality): Use capital letters
 390         for enum value names.  Use the adjusted names.
 391         * profile-count.c: Use the adjusted names.
 392
 393 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 394
 395         * config/rs6000/constraints.md (define_register_constraint "wH"):
 396         Delete.
 397         (define_register_constraint "wI"): Delete.
 398         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 399         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
 400         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 401         (rs6000_init_hard_regno_mode_ok): Adjust.
 402         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
 403         resp. "d", or with "wa" as appropriate, all with "p8v".
 404         * config/rs6000/vsx.md: Ditto.
 405         * doc/md.texi (Machine Constraints): Adjust.
 406
 407 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 408
 409         * config/rs6000/constraints.md (define_register_constraint "wy"):
 410         Delete.
 411         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 412         RS6000_CONSTRAINT_wy.
 413         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 414         (rs6000_init_hard_regno_mode_ok): Adjust.
 415         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
 416         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
 417         (define_mode_attr Fisa): New.
 418         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
 419         * doc/md.texi (Machine Constraints): Adjust.
 420
 421 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 422
 423         * config/rs6000/constraints.md (define_register_constraint "wu"):
 424         Delete.
 425         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 426         RS6000_CONSTRAINT_wu.
 427         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 428         (rs6000_init_hard_regno_mode_ok): Adjust.
 429         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
 430         both with "p8v".
 431         (define_mode_attr Fa): Delete.
 432         * config/rs6000/vsx.md: Ditto.
 433         * doc/md.texi (Machine Constraints): Adjust.
 434
 435 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 436
 437         * config/rs6000/constraints.md (define_register_constraint "wJ"):
 438         Delete.
 439         (define_register_constraint "wK"): Delete.
 440         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 441         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
 442         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 443         (rs6000_init_hard_regno_mode_ok): Adjust.
 444         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
 445         Replace "wK" constraint by "wH" with "p9v".
 446         * config/rs6000/vsx.md: Ditto.
 447         * doc/md.texi (Machine Constraints): Adjust.
 448
 449 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 450
 451         * config/rs6000/constraints.md (define_register_constraint "wb"):
 452         Delete.
 453         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 454         RS6000_CONSTRAINT_wb.
 455         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 456         (rs6000_init_hard_regno_mode_ok): Adjust.
 457         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
 458         * config/rs6000/vsx.md: Ditto.
 459         * doc/md.texi (Machine Constraints): Adjust.
 460
 461 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 462
 463         * config/rs6000/constraints.md (define_register_constraint "wo"):
 464         Delete.
 465         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 466         RS6000_CONSTRAINT_wo.
 467         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 468         (rs6000_init_hard_regno_mode_ok): Adjust.
 469         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
 470         * config/rs6000/altivec.md: Ditto.
 471         * doc/md.texi (Machine Constraints): Adjust.
 472
 473 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 474
 475         * config/darwin-c.c (darwin_register_objc_includes): Do not
 476         prepend the sysroot when building gnu-runtime header search
 477         paths.
 478
 479 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 480
 481         * config/darwin.c (darwin_file_end): Use switch_to_section ()
 482         instead of direct output of the asm.
 483
 484 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 485
 486         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
 487         argument to be type bool (was int before).
 488         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
 489         at first use.  Use type bool for some variables.  Fix a theoretical
 490         eh_return bug for svr4.
 491
 492 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 493
 494         * config/rs6000/rs6000.md (isa): New attribute.
 495         (enabled): New attribute.
 496
 497 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
 498
 499         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
 500         assemble_start_function and assemble_end_function.
 501
 502 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 503
 504         PR middle-end/89433
 505         * omp-general.c (oacc_verify_routine_clauses): Change formal
 506         parameters.  Add checking if already marked with an OpenACC
 507         'routine' directive.  Adjust all users.
 508
 509         PR middle-end/89433
 510         * omp-general.c (oacc_build_routine_dims): Move some of its
 511         processing into...
 512         (oacc_verify_routine_clauses): ... this new function.
 513         * omp-general.h (oacc_verify_routine_clauses): New prototype.
 514
 515 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 516
 517         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
 518         formating of picbase labels to match other ports.
 519
 520 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 521
 522         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
 523         in the generated code.
 524
 525 2019-05-16  Martin Sebor  <msebor@redhat.com>
 526
 527         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
 528         identifiers, keywords, operators, and types in diagnostics.  Correct
 529         quoting, spelling, and sentence capitalization issues.
 530         (expand_builtin_atomic_is_lock_free): Same.
 531         (fold_builtin_next_arg): Same.
 532         * cfgexpand.c (expand_one_var): Same.
 533         (tree_conflicts_with_clobbers_p): Same.
 534         (expand_asm_stmt): Same.
 535         (verify_loop_structure): Same.
 536         * cgraphunit.c (process_function_and_variable_attributes): Same.
 537         * collect-utils.c (collect_execute): Same.
 538         * collect2.c (maybe_run_lto_and_relink): Same.
 539         (is_lto_object_file): Same.
 540         (scan_prog_file): Same.
 541         * convert.c (convert_to_real_1): Same.
 542         * dwarf2out.c (dwarf2out_begin_prologue): Same.
 543         * except.c (verify_eh_tree): Same.
 544         * gcc.c (execute): Same.
 545         (eval_spec_function): Same.
 546         (run_attempt): Same.
 547         (driver::set_up_specs): Same.
 548         (compare_debug_auxbase_opt_spec_function): Same.
 549         * gcov-tool.c (unlink_gcda_file): Same.
 550         (do_merge): Same.
 551         (do_rewrite): Same.
 552         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
 553         * gimplify.c (gimplify_asm_expr): Same.
 554         (gimplify_adjust_omp_clauses): Same.
 555         * hsa-gen.c (gen_hsa_addr_insns): Same.
 556         (gen_hsa_insns_for_load): Same.
 557         (gen_hsa_cmp_insn_from_gimple): Same.
 558         (gen_hsa_insns_for_operation_assignment): Same.
 559         (gen_get_level): Same.
 560         (gen_hsa_alloca): Same.
 561         (omp_simple_builtin::generate): Same.
 562         (gen_hsa_atomic_for_builtin): Same.
 563         (gen_hsa_insns_for_call): Same.
 564         * input.c (dump_location_info): Same.
 565         * ipa-devirt.c (compare_virtual_tables): Same.
 566         * ira.c (ira_setup_eliminable_regset): Same.
 567         * lra-assigns.c (lra_assign): Same.
 568         * lra-constraints.c (lra_constraints): Same.
 569         * lto-streamer-in.c (lto_input_mode_table): Same.
 570         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
 571         (merge_and_complain): Same.
 572         (compile_offload_image): Same.
 573         (compile_images_for_offload_targets): Same.
 574         (debug_objcopy): Same.
 575         (run_gcc): Same.
 576         (main): Same.
 577         * opts.c (print_specific_help): Same.
 578         (parse_no_sanitize_attribute): Same.
 579         (print_help): Same.
 580         (handle_param): Same.
 581         * plugin.c (add_new_plugin): Same.
 582         (parse_plugin_arg_opt): Same.
 583         (try_init_one_plugin): Same.
 584         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
 585         operators, and types in diagnostics.  Correct quoting and spelling
 586         issues.
 587         * read-rtl-function.c (parse_edge_flag_token): Same.
 588         (function_reader::parse_enum_value): Same.
 589         * reg-stack.c (check_asm_stack_operands): Same.
 590         * regcprop.c (validate_value_data): Same.
 591         * sched-rgn.c (make_pass_sched_fusion): Same.
 592         * stmt.c (check_unique_operand_names): Same.
 593         * targhooks.c (default_target_option_pragma_parse): Same.
 594         * tlink.c (recompile_files): Same.
 595         * toplev.c (process_options): Same.
 596         (do_compile): Same.
 597         * trans-mem.c (diagnose_tm_1): Same.
 598         (ipa_tm_scan_irr_block): Same.
 599         (ipa_tm_diagnose_transaction): Same.
 600         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
 601         format a tree code name in a diagnostic.
 602         (verify_types_in_gimple_min_lval): Same.
 603         (verify_types_in_gimple_reference): Same.
 604         (verify_gimple_call): Same.
 605         (verify_gimple_assign_unary): Same.
 606         (verify_gimple_assign_binary): Same.
 607         (verify_gimple_assign_ternary): Same.
 608         (verify_gimple_assign_single): Same.
 609         (verify_gimple_switch): Same.
 610         (verify_gimple_label): Same.
 611         (verify_gimple_phi): Same.
 612         (verify_gimple_in_seq): Same.
 613         (verify_eh_throw_stmt_node): Same.
 614         (collect_subblocks): Same.
 615         (gimple_verify_flow_info): Same.
 616         (do_warn_unused_result): Same.
 617         * tree-inline.c (expand_call_inline): Same.
 618         * tree-into-ssa.c (update_ssa): Same.
 619         * tree.c (tree_int_cst_elt_check_failed): Same.
 620         (tree_vec_elt_check_failed): Same.
 621         (omp_clause_operand_check_failed): Same.
 622         (verify_type_variant): Same.
 623         (verify_type): Same.
 624         * value-prof.c (verify_histograms): Same.
 625         * varasm.c (assemble_start_function): Same.
 626
 627 2019-05-16  Martin Sebor  <msebor@redhat.com>
 628
 629         * config/i386/i386-expand.c (get_element_number): Quote keywords
 630         and other internal names in diagnostics.  Adjust other diagnostic
 631         formatting issues noted by -Wformat-diag.
 632         * config/i386/i386-features.c
 633         (ix86_mangle_function_version_assembler_name): Same.
 634         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
 635         * config/i386/i386.c (ix86_function_type_abi): Same.
 636         (ix86_function_ms_hook_prologue): Same.
 637         (classify_argument): Same.
 638         (ix86_expand_prologue): Same.
 639         (ix86_md_asm_adjust): Same.
 640         (ix86_memmodel_check): Same.
 641
 642 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
 643
 644         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
 645         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
 646         and fpxx modes.
 647
 648 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
 649
 650         PR target/90497
 651         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
 652         intrinsics without SSE/SSE2/SSSE3.
 653         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
 654         check.
 655         (*mmx_uavgv8qi3): Likewise.
 656
 657 2019-05-17  Richard Biener  <rguenther@suse.de>
 658
 659         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
 660         VEC_PERM_EXPR as __VEC_PERM with -gimple.
 661
 662 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
 663
 664         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
 665         vec_sldw insn pattern.
 666
 667 2019-05-17  Richard Biener  <rguenther@suse.de>
 668
 669         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
 670
 671 2019-05-17  Martin Liska  <mliska@suse.cz>
 672
 673         PR driver/90496
 674         * toplev.c (output_stack_usage): With LTO and sanitizer it
 675         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
 676         has no file location.
 677
 678 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 679
 680         PR c++/90484
 681         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
 682         sz0 is equal to sz1, instead return false in that case.
 683
 684         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
 685         has non-constant expression, force sctx.lane and use two
 686         argument IFN_GOMP_SIMD_LANE instead of single argument.
 687         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
 688         two argument IFN_GOMP_SIMD_LANE without lhs.
 689         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
 690         member.
 691         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
 692         Define.
 693         (LOOP_REQUIRES_VERSIONING): Or in
 694         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
 695         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 696         simd_if_cond.
 697         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
 698         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
 699         from simd if clause if needed.
 700
 701 2019-05-16  Richard Biener  <rguenther@suse.de>
 702
 703         * tree-affine.c (expr_to_aff_combination): New function split
 704         out from...
 705         (tree_to_aff_combination): ... here.
 706         (aff_combination_expand): Avoid building a GENERIC tree.
 707
 708 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
 709
 710         * cgraphunit.c (cgraph_node::expand_thunk): Remove
 711         assemble_start_function and assemble_end_function calls.
 712         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
 713         assemble_start_function and assemble_end_function.
 714         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
 715         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
 716         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
 717         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
 718         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
 719         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
 720         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
 721         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
 722         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 723         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 724         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 725         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
 726         Likewise.
 727         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 728         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
 729         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
 730         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
 731         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 732         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 733         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
 734         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
 735         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 736         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
 737         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 738         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 739         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
 740         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
 741         Likewise.
 742         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 743         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 744         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
 745
 746 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
 747
 748         * tree-ssa-alias.c (alias_stats): Add
 749         aliasing_component_refs_p_may_alias and
 750         aliasing_component_refs_p_no_alias.
 751         (dump_alias_stats): Print aliasing_component_refs_p stats.
 752         (aliasing_component_refs_p): Update stats.
 753
 754 2019-05-16  Martin Liska  <mliska@suse.cz>
 755
 756         PR lto/90500
 757         * multiple_target.c (expand_target_clones): Do not allow
 758         target_clones being used with a symbol that is an alias.
 759
 760 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
 761
 762         PR tree-optimization/90394
 763         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
 764         positives rather than ICE for cases where (code2 == NE_EXPR
 765         && code1 == BIT_AND_EXPR).
 766
 767 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 768
 769         PR fortran/90329
 770         * tree-core.h (struct tree_decl_common): Document
 771         decl_nonshareable_flag for PARM_DECLs.
 772         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
 773         * calls.c (expand_call): Don't try tail call if caller
 774         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
 775         passed on the stack and callee needs to pass any arguments on the
 776         stack.
 777         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
 778         else if instead of series of mutually exclusive ifs.  Handle
 779         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
 780         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
 781
 782         * lto-streamer.h (LTO_major_version): Bump to 9.
 783
 784 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
 785
 786         PR tree-optimization/90106
 787         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
 788         new parameter as new internal function call, also move it to new
 789         basic block.
 790         (use_internal_fn): Pass internal function call to
 791         shrink_wrap_one_built_in_call_with_conds.
 792
 793 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
 794
 795         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
 796         max_vf to 1.
 797         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
 798         safelen_int and set loop->dont_vectorize.
 799
 800 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 801
 802         PR target/89021
 803         * config/i386/i386-builtin.def: Enable MMX intrinsics with
 804         SSE/SSE2/SSSE3.
 805         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
 806         Likewise.
 807         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
 808         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
 809         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
 810         is defined.
 811
 812 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 813
 814         PR target/89021
 815         * config/i386/mmx.md (*vec_dupv2sf): Changed to
 816         define_insn_and_split to support SSE emulation.
 817         (*vec_extractv2sf_0): Likewise.
 818         (*vec_extractv2sf_1): Likewise.
 819         (*vec_extractv2si_0): Likewise.
 820         (*vec_extractv2si_1): Likewise.
 821         (*vec_extractv2si_zext_mem): Likewise.
 822         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
 823         (vec_extractv2sf_1 splitter): Likewise.
 824         (vec_extractv2sfsf): Likewise.
 825         (vec_setv2si): Likewise.
 826         (vec_extractv2si_1 splitter): Likewise.
 827         (vec_extractv2sisi): Likewise.
 828         (vec_setv4hi): Likewise.
 829         (vec_extractv4hihi): Likewise.
 830         (vec_setv8qi): Likewise.
 831         (vec_extractv8qiqi): Likewise.
 832         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 833         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
 834         (vec_extractv2sisi): Likewise.
 835         (vec_extractv4hihi): Likewise.
 836         (vec_extractv8qiqi): Likewise.
 837         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 838         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
 839         (vec_initv2sisi): Likewise.
 840         (vec_initv4hihi): Likewise.
 841         (vec_initv8qiqi): Likewise.
 842         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
 843         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
 844         (vec_setv4hi): Likewise.
 845         (vec_setv8qi): Likewise.
 846
 847 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 848
 849         PR target/89021
 850         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
 851         TARGET_MMX_WITH_SSE.
 852         (MMXMODE:*mov<mode>_internal): Likewise.
 853         (MMXMODE:movmisalign<mode>): Likewise.
 854
 855 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
 856
 857         PR target/89021
 858         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
 859         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
 860         (sse2_cvtpd2pi): Ditto.
 861         (sse2_cvttpd2pi): Ditto.
 862         (*vec_concatv2sf_sse4_1): Ditto.
 863         (*vec_concatv2sf_sse): Ditto.
 864         (*vec_concatv2si_sse4_1): Ditto.
 865         (*vec_concatv2si): Ditto.
 866         (*vec_concatv4si_0): Ditto.
 867         (*vec_concatv2di_0): Ditto.
 868
 869 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 870
 871         PR target/89021
 872         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
 873
 874 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 875
 876         PR target/89021
 877         * config/i386/sse.md (ssse3_palignrdi): Changed to
 878         define_insn_and_split to support SSE emulation.
 879
 880 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 881
 882         PR target/89021
 883         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
 884
 885 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 886
 887         PR target/89021
 888         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
 889         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 890         SSE emulation.
 891
 892 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 893
 894         PR target/89021
 895         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
 896         or TARGET_MMX_WITH_SSE.
 897         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
 898
 899 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 900
 901         PR target/89021
 902         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
 903
 904 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 905
 906         PR target/89021
 907         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
 908         Changed to define_insn_and_split to support SSE emulation.
 909
 910 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 911
 912         PR target/89021
 913         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
 914         Changed to define_insn_and_split to support SSE emulation.
 915
 916 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 917
 918         PR target/89021
 919         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
 920         (*mmx_<emms>): This.
 921         (mmx_<emms>): New expander.
 922
 923 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 924
 925         PR target/89021
 926         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
 927         support.
 928         (*sse2_umulv1siv1di3): Add SSE2 emulation.
 929
 930 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 931
 932         PR target/89021
 933         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
 934
 935 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 936
 937         PR target/89021
 938         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
 939
 940 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 941
 942         PR target/89021
 943         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
 944         TARGET_MMX_WITH_SSE.
 945         (*mmx_uavgv4hi3): Add SSE emulation.
 946
 947 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 948
 949         PR target/89021
 950         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
 951         and TARGET_MMX_WITH_SSE.
 952         (*mmx_uavgv8qi3): Add SSE emulation.
 953
 954 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 955
 956         PR target/89021
 957         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
 958         maskmovdqu for __MMX_WITH_SSE__.
 959
 960 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 961
 962         PR target/89021
 963         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
 964         TARGET_MMX and TARGET_MMX_WITH_SSE.
 965         (*mmx_umulv4hi3_highpart): Add SSE emulation.
 966
 967 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 968
 969         PR target/89021
 970         * config/i386/mmx.md (mmx_pmovmskb): Changed to
 971         define_insn_and_split to support SSE emulation.
 972
 973 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 974
 975         PR target/89021
 976         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
 977         and TARGET_MMX_WITH_SSE.
 978         (mmx_<code>v8qi3): Likewise.
 979         (smaxmin:<code>v4hi3): New.
 980         (umaxmin:<code>v8qi3): Likewise.
 981         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
 982         (umaxmin:*mmx_<code>v8qi3): Likewise.
 983
 984 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 985
 986         PR target/89021
 987         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
 988         TARGET_MMX_WITH_SSE.
 989         (*mmx_pinsrw): Add SSE emulation.
 990
 991 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 992
 993         PR target/89021
 994         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
 995
 996 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 997
 998         PR target/89021
 999         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1000         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1001         SSE emulation.
1002
1003 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1004
1005         PR target/89021
1006         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1007         (sse_cvttps2pi): Likewise.
1008
1009 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1010
1011         PR target/89021
1012         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1013         TARGET_MMX_WITH_SSE.
1014         (mmx_pshufw_1): Add SSE emulation.
1015         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1016         TARGET_MMX_WITH_SSE to support SSE emulation.
1017
1018 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1019
1020         PR target/89021
1021         * config/i386/constraints.md (Yw): New constraint.
1022         * config/i386/mmx.md (*vec_dupv2si): Changed to
1023         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1024         support SSE emulation.
1025
1026 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1027
1028         PR target/89021
1029         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1030         TARGET_MMX_WITH_SSE.
1031         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1032         support.
1033         (mmx_gt<mode>3): Likewise.
1034
1035 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1036
1037         PR target/89021
1038         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1039         TARGET_MMX_WITH_SSE.  Add SSE support.
1040
1041 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1042
1043         PR target/89021
1044         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1045         TARGET_MMX_WITH_SSE.
1046         (any_logic:<code><mode>3): New.
1047         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1048         Add SSE support.
1049
1050 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1051
1052         PR target/89021
1053         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1054         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1055         (mmx_<shift_insn><mode>3): Likewise.
1056         (ashr<mode>3): New.
1057         (<shift_insn><mode>3): Likewise.
1058
1059 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1060
1061         PR target/89021
1062         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1063         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1064
1065 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1066
1067         PR target/89021
1068         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1069         TARGET_MMX_WITH_SSE.
1070         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1071         SSE support.
1072
1073 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1074
1075         PR target/89021
1076         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1077         TARGET_MMX_WITH_SSE.
1078         (mulv4hi3): New.
1079         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1080         support.
1081
1082 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1083
1084         PR target/89021
1085         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1086         (plusminus:mmx_<plusminus_insn><mode>3): Check
1087         TARGET_MMX_WITH_SSE.
1088         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1089         (<plusminus_insn><mode>3): New.
1090         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1091         (*mmx_<plusminus_insn><mode>3): Likewise.
1092
1093 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1094
1095         PR target/89021
1096         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1097         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1098         prototype.
1099         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1100         define_insn_and_split to support SSE emulation.
1101         (mmx_punpcklbw): Likewise.
1102         (mmx_punpckhwd): Likewise.
1103         (mmx_punpcklwd): Likewise.
1104         (mmx_punpckhdq): Likewise.
1105         (mmx_punpckldq): Likewise.
1106
1107 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1108             Uros Bizjak  <ubizjak@gmail.com>
1109
1110         PR target/89021
1111         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1112         New function.
1113         (ix86_split_mmx_pack): Likewise.
1114         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1115         New prototype.
1116         (ix86_split_mmx_pack): Likewise.
1117         * config/i386/i386.md (mmx_isa): New.
1118         (enabled): Also check mmx_isa.
1119         * config/i386/mmx.md (any_s_truncate): New code iterator.
1120         (s_trunsuffix): New code attr.
1121         (mmx_packsswb): Removed.
1122         (mmx_packssdw): Likewise.
1123         (mmx_packuswb): Likewise.
1124         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1125         MMX packsswb/packuswb with SSE2.
1126         (mmx_packssdw): Likewise.
1127         * config/i386/predicates.md (register_mmxmem_operand): New.
1128
1129 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1130
1131         PR target/89021
1132         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1133         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1134         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1135         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1136         (ix86_vector_mode_supported_p): Likewise.
1137         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1138
1139 2019-05-15  Martin Liska  <mliska@suse.cz>
1140
1141         PR middle-end/90478
1142         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1143         Check for overflow.
1144
1145 2019-05-15  Richard Biener  <rguenther@suse.de>
1146
1147         * tree-into-ssa.c (pass_build_ssa::execute): Run
1148         update_address_taken before going into SSA.
1149
1150 2019-05-15  Richard Biener  <rguenther@suse.de>
1151
1152         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1153         as __BIT_FIELD_REF with type with -gimple.
1154
1155 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1156
1157         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1158         semantically equivalent branches (left over after prior refactorings).
1159
1160 2019-05-15  Richard Biener  <rguenther@suse.de>
1161
1162         PR tree-optimization/88828
1163         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1164         bogus check.
1165
1166 2019-05-14  Richard Biener  <rguenther@suse.de>
1167
1168         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1169         as __VIEW_CONVERT with -gimple.
1170
1171 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1172
1173         PR target/82920
1174         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1175         Darwin.
1176
1177 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1178
1179         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1180         define_split to become a define_insn_and_split.
1181
1182 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1183
1184         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1185         arguments.
1186         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1187         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1188         (sibcall_epilogue): Adjust.
1189         (epilogue): Adjust.
1190
1191 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1192
1193         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1194         to unsupported ones.
1195         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1196         * config.host: Likewise.
1197         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1198         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1199         __svr4__]: Remove "brand" fallback.
1200         [!KSTAT_DATA_STRING]: Remove.
1201         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1202         to *-*-solaris2*.
1203         (comdat_group): Likewise.
1204         (set_have_as_tls): Likewise.
1205         (gcc_cv_target_dl_iterate_phdr): Likewise.
1206         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1207         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1208         * configure: Regenerate.
1209         * doc/install.texi: Simplify Solaris target triplets.
1210         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1211         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1212         Remove Solaris 10 references.
1213         Remove obsolete Solaris bug reference.
1214         (Specific, sparc-sun-solaris2.10): Remove.
1215
1216 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1217
1218         * config/i386/i386.md (any_div): New code iterator.
1219         (paired_mod): New code attribute.
1220         (sgnprefix): Handle DIV and UDIV RTXes.
1221         (u): Ditto.
1222         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1223         and udivmod<mode>4 patterns using any_div code iterator.
1224         (divmod splitters): Macroize splitters using any_div code iterator.
1225         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1226         (*udivmodsi4_pow2_zext_2): Ditto.
1227         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1228         and *udivmod<mode>4_noext patterns using any_div code iterator.
1229         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1230         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1231         patterns using any_div code iterator.
1232         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1233         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1234         patterns using any_div code iterator.
1235         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1236         udivmodhiqi3 patterns using any_extend code iterator.
1237
1238 2019-05-14  Richard Biener  <rguenther@suse.de>
1239             H.J. Lu  <hongjiu.lu@intel.com>
1240
1241         PR tree-optimization/88828
1242         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1243         permuting in a single non-constant element not extracted
1244         from a vector.
1245
1246 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1247
1248         * internal-fn.def (SIGNBIT): New.
1249         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1250         defined.
1251         (signbitv4sf2): Likewise.
1252
1253 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1254
1255         PR target/90357
1256         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1257         next insn when the SRC reg is dead.
1258
1259 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1260
1261         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1262         (alloc_cand_and_find_basis): Ditto.
1263         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1264         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1265         (create_add_imm_cand, slsr_process_cast): Ditto.
1266         (slsr_process_copy, replace_mult_candidate): Ditto.
1267         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1268         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1269         (pass_strength_reduction::execute): Init the first NULL element.
1270
1271 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1272
1273         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1274         (run_attempt): Reformat line break.
1275
1276 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1277
1278         PR target/90418
1279         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1280         data registers in sibcall epilogues.
1281         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1282
1283 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1284
1285         PR target/89221
1286         * configure.ac (--enable-frame-pointer):
1287         Disable by default for cygwin and mingw.
1288         * configure: Regenerate.
1289
1290 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1291
1292         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1293         piece of code.
1294         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1295         (gen_member_die): Move abstract origin check earlier.  Only VARs
1296         can be static_inline_p.  Simplify splicing control flow.
1297
1298 2019-05-13  Richard Biener  <rguenther@suse.de>
1299
1300         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1301         VIEW_CONVERT_EXPR.
1302         (vect_build_slp_tree_1): Likewise.
1303
1304 2019-05-13  Richard Biener  <rguenther@suse.de>
1305
1306         PR tree-optimization/90402
1307         * tree-if-conv.c (tree_if_conversion): Value number only
1308         the loop body by making the latch an exit of the region
1309         as well.
1310         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1311         processing PHIs.
1312         (do_rpo_vn): Deal with multiple edges into the entry block
1313         that are not backedges inside the region by skipping PHIs
1314         of the entry block.
1315
1316 2019-05-13  Richard Biener  <rguenther@suse.de>
1317
1318         PR tree-optimization/90316
1319         * tree-ssa-pre.c (insert_aux): Fold into ...
1320         (insert): ... this function.  Use a RPO walk to reduce the
1321         number of required iterations.
1322
1323 2019-05-13  Martin Liska  <mliska@suse.cz>
1324
1325         PR tree-optimization/90416
1326         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1327         string instead of passing the second part as va_arg argument.
1328
1329 2019-05-13  Martin Liska  <mliska@suse.cz>
1330
1331         PR gcov-profile/90380
1332         * gcov.c (handle_cycle): Do not support zero cycle count,
1333         it should not be possible.
1334         (path_contains_zero_cycle_arc): New function.
1335         (circuit): Ignore zero cycle arc counts.
1336
1337 2019-05-13  Martin Liska  <mliska@suse.cz>
1338
1339         PR gcov-profile/90380
1340         * gcov.c (enum loop_type): Remove the enum and
1341         the operator.
1342         (handle_cycle): Assert that we should not reach
1343         a negative count.
1344         (circuit): Use loop_found instead of a tri-state loop_type.
1345         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1346         happen.
1347
1348 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1349
1350         PR target/82920
1351         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1352         (ix86_output_indirect_branch_via_reg): Use output mechanism
1353         accounting for __USER_LABEL_PREFIX__.
1354         (ix86_output_indirect_branch_via_push): Likewise.
1355         (ix86_output_function_return): Likewise.
1356         (ix86_output_indirect_function_return): Likewise.
1357
1358 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1359
1360         * doc/md.texi: Document use of code attributes in rtx patterns.
1361         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1362         * read-rtl.c (find_code): Split out search loops into...
1363         (maybe_find_code): ...this new function.
1364         (check_code_iterator): Make the error message more informative.
1365         (check_code_attribute): New function.
1366         (rtx_reader::rtx_alloc_for_name): Likewise.
1367         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1368         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1369         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1370         <max_opp> directly as an rtx code instead of via a match_operator.
1371         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1372         (<su>abd<mode>_3): Update accordingly.
1373
1374 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1375
1376         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1377         is given, print the state of the EH "save world" computation for
1378         Darwin.
1379
1380 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1381
1382         PR c++/59813
1383         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1384         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1385
1386 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1387
1388         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1389         Use pinsrd for TARGET_SSE4_1.
1390         * config/i386/sse.md (movdi_to_sse): Ditto.
1391
1392 2019-05-10  Richard Biener  <rguenther@suse.de>
1393
1394         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1395         (do_rpo_vn): Initialize next_value_id.
1396
1397 2019-05-10  Martin Liska  <mliska@suse.cz>
1398
1399         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1400         Fix plural form.
1401
1402 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1403
1404         PR tree-optimization/90385
1405         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1406         arguments of the exit phis.
1407
1408         PR c++/90383
1409         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1410         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1411         id->do_not_fold.
1412         (copy_tree_body_r): Likewise.
1413         (copy_fn): Set id.do_not_fold to true.
1414
1415 2019-05-10  Martin Liska  <mliska@suse.cz>
1416
1417         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1418         Reapply changes from r269790.
1419
1420 2019-05-10  Martin Liska  <mliska@suse.cz>
1421
1422         PR middle-end/90340
1423         * doc/invoke.texi: New params.
1424         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1425         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1426         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1427         Use it.
1428         * tree-switch-conversion.h (struct jump_table_cluster):
1429         Likewise.
1430
1431 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1432
1433         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1434
1435 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1436
1437         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1438
1439 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1440
1441         PR rtl-optimization/88879
1442         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1443
1444 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1445
1446         PR target/90405
1447         * config/arm/arm.c (callee_saved_reg_p): Move before
1448         thumb_find_work_register.
1449         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1450         thumb_find_work_register.  Only call df_get_live_out once.
1451         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1452         (thumb_find_work_register): Use
1453         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1454         algorithms to locate a spare call clobbered reg.
1455
1456 2019-05-09  Martin Liska  <mliska@suse.cz>
1457
1458         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1459         and MAX_EXPR in GIMPLE FE format.
1460
1461 2019-05-09  Martin Liska  <mliska@suse.cz>
1462
1463         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1464         * gimple-pretty-print.c (dump_gimple_bb_header):
1465         Dump BB count.
1466         (pp_cfg_jump): Dump edge probability.
1467         * profile-count.c (profile_quality_as_string): Simplify
1468         with a static array.
1469         (parse_profile_quality): New function.
1470         (profile_count::dump): Simplify with a static array.
1471         (profile_count::from_gcov_type): Add new argument.
1472         * profile-count.h (parse_profile_quality): Likewise.
1473         * predict.h (set_hot_bb_threshold): New.
1474         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1475         New param.
1476         * predict.c (get_hot_bb_threshold): Set from the new param.
1477         (set_hot_bb_threshold): New.
1478
1479 2019-05-09  Richard Biener  <rguenther@suse.de>
1480
1481         PR tree-optimization/90395
1482         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1483         rewrite vector stores that throw internally.
1484
1485 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1486
1487         * cif-code.def (CHKP): Remove.
1488
1489         PR target/89221
1490         * configure.ac (--enable-frame-pointer): Disable by default for
1491         GNU systems.
1492         * configure: Regenerate.
1493
1494 2019-05-09  Alan Modra  <amodra@gmail.com>
1495
1496         PR target/89271
1497         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1498         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1499         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1500         cost for general <-> vsx when direct moves are available.
1501         Cost union classes at minimal cost for any reg in the class.
1502         Correct calculation for moves between vsx, float, and altivec.
1503         Don't return a low cost for moves between special regs.  Don't
1504         use hard coded register numbers.
1505         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1506         (rs6000_ira_change_pseudo_allocno_class): New function.
1507         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1508         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1509         alternatives.
1510         (movsi_internal1): Don't disparage vector alternatives.
1511         (mov<mode>_internal): Likewise, excepting alternative that
1512         will be split.
1513         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1514         we <- b alternative.
1515
1516 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1517
1518         PR c++/59813
1519         PR tree-optimization/89060
1520         * tree-ssa-live.h (live_vars_map): New typedef.
1521         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1522         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1523         (struct compute_live_vars_data): New type.
1524         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1525         live_vars_at_stmt, destroy_live_vars): New functions.
1526         * tree-tailcall.c: Include tree-ssa-live.h.
1527         (live_vars, live_vars_vec): New global variables.
1528         (find_tail_calls): Perform variable life analysis before punting.
1529         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1530         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1531         member.
1532         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1533         Perform variable life analysis to select variables that really need
1534         clobbers added.
1535         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1536         instead set id->eh_landing_pad_dest and assert it is the same.
1537         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1538
1539 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1540             Richard Earnshaw  <rearnsha@arm.com>
1541
1542         PR target/88167
1543         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1544         function.
1545         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1546         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1547         register if both the epilogue and prologue can use call-clobbered
1548         regs.
1549         (thumb1_unexpanded_epilogue): Use
1550         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1551         picking temporaries for restoring high regs to match that of the
1552         prologue where possible.
1553         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1554         the list of work registers.  Detect if the return address is still live
1555         at the end of the prologue and avoid using it for a work register if so.
1556         If the return address is not live, add LR to the list of pushable regs
1557         after the first pass.
1558
1559 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1560
1561         PR tree-optimization/90078
1562         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1563         (INFTY): Increase the value for infinite cost.
1564         (struct comp_cost): Promote type of members to int64_t.
1565         (infinite_cost): Don't set complexity in initialization.
1566         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1567         overflows to infinite_cost.
1568         (adjust_setup_cost): Promote type of parameter and cost computation
1569         to int64_t.
1570         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1571         int64_t.
1572         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1573         cost computation to int64_t.
1574         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1575         int64_t's format specifier in dump.
1576
1577 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1578
1579         PR tree-optimization/90240
1580         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1581         with respect to scaling factor pre-computed for each basic block.
1582         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1583         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1584         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1585         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1586         live range for array of loop's basic blocks.  Cleanup aux field of
1587         loop's basic blocks.
1588
1589 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR tree-optimization/90356
1592         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1593
1594 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1595
1596         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
1597         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
1598         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
1599         (ix86_handle_option): Handle -mavx512bf16.
1600         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
1601         to extra_headers.
1602         * config/i386/avx512bf16vlintrin.h: New.
1603         * config/i386/avx512bf16intrin.h: New.
1604         * config/i386/cpuid.h (bit_AVX512BF16): New.
1605         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
1606         * config/i386/i386-builtin-types.def: Add new types.
1607         * config/i386/i386-builtin.def: Add new builtins.
1608         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1609         __AVX512BF16__.
1610         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
1611         (ix86_option_override_internal): Handle BF16.
1612         (ix86_valid_target_attribute_inner_p): Ditto.
1613         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
1614         * config/i386/i386-builtin.c (enum processor_features): Add
1615         F_AVX512BF16.
1616         (static const _isa_names_table isa_names_table): Ditto.
1617         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
1618         (PTA_AVX512BF16): Ditto.
1619         * config/i386/i386.opt: Add -mavx512bf16.
1620         * config/i386/immintrin.h: Include avx512bf16intrin.h
1621         and avx512bf16vlintrin.h.
1622         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
1623         avx512f_cvtneps2bf16_<mode><mask_name>,
1624         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
1625         * config/i386/subst.md (mask_half): Add new subst.
1626         * doc/invoke.texi: Document -mavx512bf16.
1627
1628 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
1629
1630         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
1631         Delete declaration.
1632         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
1633         (rs6000_debug_legitimize_reload_address): Delete.
1634         (rs6000_legitimize_reload_address_ptr): Delete.
1635         (rs6000_option_override_internal): Adjust.
1636         (mem_operand_gpr): Adjust comment.
1637         (legitimate_lo_sum_address_p): Ditto.
1638         (rs6000_legitimize_reload_address): Delete.
1639         (rs6000_debug_legitimize_reload_address): Delete.
1640         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
1641
1642 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1643
1644         PR target/89765
1645         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1646         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
1647         to compute vector element selector for both constant and variable
1648         operands.
1649
1650 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1651
1652         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
1653         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
1654         ashrdi3_cvt using SWI48 mode iterator.
1655
1656 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1657
1658         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
1659         (aarch64_<su>abd<mode>_3): Likewise.
1660         (*aarch64_<su>abd<mode>_3): New define_insn.
1661         (<sur>sad<vsi2qi>): New define_expand.
1662         * config/aarch64/iterators.md: Added MAX_OPP attribute.
1663         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
1664         (build_vect_cond_expr): Likewise.
1665
1666 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1667
1668         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
1669         clobbers outside of accessible_reg_set.
1670         * config/i386/i386.c (ix86_conditional_register_usage):
1671         Disable register sets by clearing corresponding bits in
1672         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
1673         call_used_regs and don't clear corresponding reg_names array members.
1674
1675 2019-05-07  Richard Biener  <rguenther@suse.de>
1676
1677         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
1678         not specified still compute a comp_vectype for invariant
1679         compares.
1680
1681 2019-05-07  Richard Biener  <rguenther@suse.de>
1682
1683         PR tree-optimization/90316
1684         * tree-ssa-pre.c (translate_vuse_through_block): When
1685         same_valid is NULL do not bother to search for a virtual
1686         PHI continuation.
1687         (phi_translate_1): When operands changed we cannot keep
1688         the same value-number so do not bother to ask whether
1689         that's possible from translate_vuse_through_block.
1690
1691 2019-05-07  Martin Liska  <mliska@suse.cz>
1692
1693         * bitmap.c (bitmap_register): Come up with
1694         alloc_descriptor_max_uid and assign it for
1695         a new bitmap.
1696         (register_overhead): Use get_descriptor as
1697         a descriptor.
1698         (release_overhead): New.
1699         (bitmap_elem_to_freelist): Call it.
1700         (bitmap_elt_clear_from): Likewise.
1701         (bitmap_obstack_free): Likewise.
1702         (bitmap_move): Sensitively release memory.
1703         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
1704         (bitmap_initialize): Initialize alloc_descriptor to zero.
1705         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
1706
1707 2019-05-07  Richard Biener  <rguenther@suse.de>
1708
1709         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
1710         we build a SLP node.  Remove max_size and limiting.
1711         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
1712
1713 2019-05-07  Richard Biener  <rguenther@suse.de>
1714
1715         PR tree-optimization/90316
1716         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
1717         limit by reference.
1718         (walk_non_aliased_vuses): Take walking limit argument.
1719         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
1720         walking if it is reached instead of just counting.
1721         (get_continuation_for_phi): Likewise.
1722         (walk_non_aliased_vuses): Likewise, instead of leaving counter
1723         limiting to the callback.
1724         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
1725         (vn_reference_lookup_3): Likewise.
1726         (vn_reference_lookup_pieces): Likewise.
1727         (vn_reference_lookup): Likewise.
1728         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
1729         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
1730         (avail_exprs_stack::lookup_avail_expr): Likewise.
1731
1732 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
1733
1734         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
1735         for comparaible types in the second direction even if first one
1736         hits incomparable type.
1737
1738 2019-05-07  Richard Biener  <rguenther@suse.de>
1739
1740         PR lto/90369
1741         * lto-wrapper.c (debug_objcopy): Use the original filename
1742         including archive offset for the filename used for -save-temps.
1743
1744 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
1745
1746         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
1747         detection.
1748
1749 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1750
1751         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
1752         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
1753         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
1754         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
1755         (FRAME_POINTER_REGNUM): Change numbering.
1756         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
1757         (alt_reg_names): Adjust.
1758         (rs6000_conditional_register_usage): Don't mark hard register 64 as
1759         fixed.
1760         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1761         (DWARF_FRAME_REGISTERS): Delete.
1762         (DWARF2_FRAME_REG_OUT): Fix whitespace.
1763         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1764         Adjust.
1765         (REG_ALLOC_ORDER): Adjust.
1766         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
1767         (REG_CLASS_CONTENTS): Adjust.
1768         (RETURN_ADDR_RTX): Change comment.
1769         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
1770         instead of 67.
1771         (REGISTER_NAMES): Adjust.
1772         (ADDITIONAL_REGISTER_NAMES): Adjust.
1773         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1774
1775 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1776
1777         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
1778         Delete.
1779         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1780         (DWARF_FRAME_REGISTERS): Adjust.
1781         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1782         Adjust.
1783         (REG_ALLOC_ORDER): Adjust.
1784         (enum reg_class): Delete SPR_REGS.
1785         (REG_CLASS_NAMES): Delete SPR_REGS.
1786         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
1787         (REGISTER_NAMES): Adjust.
1788         (ADDITIONAL_REGISTER_NAMES): Adjust.
1789         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1790         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
1791         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
1792         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
1793         (htm_spr_regno): Delete.
1794         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
1795         argument.
1796         (rs6000_dbx_register_number): Adjust.
1797
1798 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1799
1800         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
1801
1802 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1803
1804         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
1805         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
1806
1807 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
1808
1809         PR tree-optimization/88709
1810         PR tree-optimization/90271
1811         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
1812         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
1813         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
1814         variable.
1815         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
1816         of the store merging group is larger than
1817         PARAM_STORE_MERGING_MAX_SIZE parameter.
1818         (split_group): Add bzero_first argument.  If set, always emit first
1819         the first store which must be = {} of the whole area and then for the
1820         rest of the stores consider all zero bytes as paddings.
1821         (imm_store_chain_info::output_merged_store): Check if first store
1822         is = {} of the whole area and if yes, determine which setting of
1823         bzero_first for split_group gives smaller number of stores.  Adjust
1824         split_group callers.
1825         (lhs_valid_for_store_merging_p): Allow decls.
1826         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
1827         no elts.
1828         (pass_store_merging::process_store): Likewise.
1829
1830 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1831
1832         PR target/89424
1833         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
1834         handling of V1TImode.
1835
1836 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
1837
1838         PR target/89221
1839         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
1840         and enable_frame_pointer ...
1841         * configure.ac: ... here.  Update help strings for
1842         --enable-frame-pointer.
1843         * configure: Regenerate.
1844         * config/i386/i386-options.c (ix86_option_override_internal): Remove
1845         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
1846         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
1847         (USE_X86_64_FRAME_POINTER): Ditto.
1848
1849 2019-05-06  Martin Liska  <mliska@suse.cz>
1850
1851         * config.gcc: Append to target_gtfiles and fix indentation.
1852
1853 2019-05-06  Richard Biener  <rguenther@suse.de>
1854
1855         PR tree-optimization/90358
1856         * tree-vect-stmts.c (get_group_load_store_type): Properly
1857         detect unused upper half of load.
1858         (vectorizable_load): Likewise.
1859
1860 2019-05-06  Richard Biener  <rguenther@suse.de>
1861
1862         PR tree-optimization/88828
1863         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
1864         (simplify_vector_constructor): ...here.  Handle constants in
1865         the constructor.
1866
1867 2019-05-06  Richard Biener  <rguenther@suse.de>
1868
1869         PR tree-optimization/90328
1870         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
1871         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
1872         is valid in the loop nest before using it.
1873         (initialize_data_dependence_relation): Adjust.
1874         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
1875         loop as loop-nest to dr_may_alias_p.
1876
1877 2019-05-06  Richard Biener  <rguenther@suse.de>
1878
1879         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
1880
1881 2019-05-06  Richard Biener  <rguenther@suse.de>
1882
1883         PR tree-optimization/90316
1884         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
1885         compute target on demand.
1886         (get_continuation_for_phi): Remove code walking stmts to
1887         get to a target virtual operand which could end up being
1888         quadratic.
1889
1890 2019-05-06  Martin Liska  <mliska@suse.cz>
1891
1892         PR sanitizer/90312
1893         * config/i386/i386-options.c (ix86_option_override_internal): Error only
1894         when -mabi is selected to a non-default version.
1895
1896 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
1897             Martin Liska  <mliska@suse.cz>
1898
1899         * Makefile.in: Add lto-dump.texi.
1900         * cgraph.h: Add new functions get_visibility_string and
1901         get_symtab_type_string.
1902         * doc/gcc.texi: Include lto-dump section.
1903         * doc/lto-dump.texi: New file.
1904         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
1905         (parse_dump_option): Factor out this function.
1906         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
1907         (parse_dump_option): Export the function.
1908         * symtab.c (symtab_node::get_visibility_string): New function.
1909         (symtab_node::get_symtab_type_string): Likewise.
1910
1911 2019-05-06  Martin Liska  <mliska@suse.cz>
1912
1913         * config/i386/i386-builtins.c: New file.
1914         * config/i386/i386-builtins.h: New file.
1915         * config/i386/i386-expand.c: New file.
1916         * config/i386/i386-expand.h: New file.
1917         * config/i386/i386-features.c: New file.
1918         * config/i386/i386-features.h: New file.
1919         * config/i386/i386-options.c: New file.
1920         * config/i386/i386-options.h: New file.
1921         * config.gcc: Add new files into extra_objs and
1922         target_gtfiles.
1923         * config/i386/i386.c: Split content of the file
1924         into newly introduced files.
1925         * config/i386/i386.h: Declare common variables
1926         and macros.
1927         * config/i386/t-i386: Define dependencies for new files.
1928
1929 >>>>>>> .r270937
1930 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
1931
1932         PR target/89400
1933         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
1934         Restrict 'all' variant to 32-bit configurations.
1935         (unaligned_loadhiu): Likewise.
1936         (unaligned_storehi): Likewise.
1937         (unaligned_storesi): Likewise.
1938         (unaligned_loadhis): Disable when compiling for thumb1.
1939
1940 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
1941
1942         PR tree-optimization/90269
1943         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
1944         Ignore clobbers.
1945
1946 2019-05-03  Martin Liska  <mliska@suse.cz>
1947
1948         * hash-map.h: Add is_empty function.
1949         * hash-set.h: Likewise.
1950         * hash-table.h: Likewise.
1951         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
1952         elements () == 0 (and similar usages).
1953         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
1954         * gimplify.c (gimplify_bind_expr): Likewise.
1955         (gimplify_switch_expr): Likewise.
1956         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
1957         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
1958         * postreload-gcse.c (dump_hash_table): Likewise.
1959         (gcse_after_reload_main): Likewise.
1960         * predict.c (combine_predictions_for_bb): Likewise.
1961         * tree-parloops.c (reduction_phi): Likewise.
1962         (separate_decls_in_region): Likewise.
1963         (transform_to_exit_first_loop): Likewise.
1964         (gen_parallel_loop): Likewise.
1965         (gather_scalar_reductions): Likewise.
1966         (try_create_reduction_list): Likewise.
1967         * var-tracking.c (dump_vars): Likewise.
1968         (emit_notes_for_changes): Likewise.
1969         (vt_emit_notes): Likewise.
1970
1971 2019-05-03  Richard Biener  <rguenther@suse.de>
1972
1973         PR tree-optimization/90316
1974         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
1975         before running VN.
1976
1977 2019-05-03  Richard Biener  <rguenther@suse.de>
1978
1979         * tree-vect-stmts.c (get_group_load_store_type): Avoid
1980         peeling for gaps by loading only lower halves of vectors
1981         if possible.
1982         (vectorizable_load): Likewise.
1983
1984 2019-05-03  Richard Biener  <rguenther@suse.de>
1985
1986         PR middle-end/89518
1987         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
1988
1989 2019-05-03  Richard Biener  <rguenther@suse.de>
1990
1991         PR middle-end/87314
1992         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
1993         Handle STRING_CST vs DECL or STRING_CST.
1994
1995 2019-05-03  Richard Biener  <rguenther@suse.de>
1996
1997         PR tree-optimization/88963
1998         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
1999         vector loads feeding only BIT_FIELD_REFs to component
2000         loads.  Rewrite stores fed by CONSTRUCTORs to component
2001         stores.
2002
2003 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2004
2005         * opts.h (finish_options): Remove lang_mask argument.
2006         (print_help, help_option_argument): Declare.
2007         * opts.c (print_help): Remove forward declaration, no longer static.
2008         (finish_options): Remove lang_mask argument, don't call print_help
2009         here.
2010         * opts-global.c (decode_options): Adjust finish_option caller, call
2011         print_help here.
2012
2013         PR tree-optimization/90303
2014         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2015         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2016
2017 2019-05-03  Richard Biener  <rguenther@suse.de>
2018
2019         PR tree-optimization/89698
2020         * gimple-fold.c (canonicalize_constructor_val): Early out
2021         for constants, handle unfolded INTEGER_CSTs as they appear in
2022         C++ virtual table ctors.
2023
2024 2019-05-03  Richard Biener  <rguenther@suse.de>
2025
2026         * passes.c (execute_function_todo): Remove dead code.
2027
2028 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2029
2030         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2031         the internal register number, for any "real" register.
2032
2033 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2034
2035         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2036         correct numbers for TFHAR, TFIAR, TEXASR.
2037
2038 2019-05-02  Richard Biener  <rguenther@suse.de>
2039
2040         PR tree-optimization/89653
2041         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2042         update-address-taken before the pass.
2043         * passes.def (pass_tree_loop_init): Put comment before it.
2044
2045 2019-05-02  Richard Biener  <rguenther@suse.de>
2046
2047         PR tree-optimization/89509
2048         * tree-ssa-structalias.c (compute_dependence_clique): Look
2049         at the first subvar when determining whether it is restrict.
2050
2051 2019-05-02  Richard Biener  <rguenther@suse.de>
2052
2053         PR tree-optimization/90273
2054         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2055         useless debug stmts.
2056
2057 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2058
2059         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2060         ACLE branch.
2061         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2062         SVE ACLE branch.
2063         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2064         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2065         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2066         (vectorizable_reduction): Use the functions above to vectorize in a
2067         fully masked loop codes that don't have a conditional internal
2068         function.
2069
2070 2019-05-02  Martin Liska  <mliska@suse.cz>
2071
2072         * cgraphclones.c: Call valid_attribute_p with 1 for
2073         target_clone.
2074         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2075         it's for target attribute.
2076         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2077         Add new boolean argument.
2078         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2079         Likewise.
2080         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2081         to ix86_valid_target_attribute_inner_p.
2082         (ix86_valid_target_attribute_p): Pass flags argument to
2083         ix86_valid_target_attribute_inner_p.
2084         (get_builtin_code_for_version): Use 0 as it's target attribute.
2085
2086 2019-05-02  Martin Liska  <mliska@suse.cz>
2087
2088         * gcc.c (process_command): Add dummy file only
2089         if n_infiles == 0.
2090         * opts-global.c (decode_options): Pass lang_mask.
2091         * opts.c (print_help): New function.
2092         (finish_options): Print --help if help_option_argument
2093         is set.
2094         (common_handle_option): Factor out content of OPT__help_
2095         into print_help.
2096         * opts.h (finish_options): Add new argument.
2097
2098 2019-05-02  Martin Liska  <mliska@suse.cz>
2099
2100         PR target/88809
2101         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2102         With -minline-all-stringops use inline expansion using 4B loop.
2103         * doc/invoke.texi: Document the change of
2104         -minline-all-stringops.
2105
2106 2019-05-01  Jeff Law  <law@redhat.com>
2107
2108         PR tree-optimization/88797
2109         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2110         PHI feeds a conditional on the RHS of an assignment.
2111
2112 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2113             Jim Wilson  <jimw@sifive.com>
2114
2115         * config/riscv/constraints.md (L): New.
2116         * config/riscv/predicates.md (lui_operand): New.
2117         (sfb_alu_operand): New.
2118         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2119         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2120         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2121         * config/riscv/risc.md (type): Add sfb_alu.
2122         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2123         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2124         (branch_zero<mode>): Delete.
2125         (mov<mode>cc): New.
2126         (mov<GPR:mode><X:mode>cc): Likewise.
2127         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2128
2129 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2130
2131         * tree.h (MARK_TS_EXP): New.
2132
2133 2019-04-30  Martin Liska  <mliska@suse.cz>
2134
2135         * opts.c (enable_warning_as_error): Provide hints
2136         for unknown options.
2137
2138 2019-04-30  Martin Liska  <mliska@suse.cz>
2139
2140         PR debug/90288
2141         * doc/invoke.texi: Add missing dash for gas-locview-support
2142         and gno-as-locview-support.
2143
2144 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2145
2146         PR target/89093
2147         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2148         whitespace at the start of target attribute string.
2149
2150 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2151
2152         PR target/86538
2153         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2154         Define __ARM_FEATURE_ATOMICS.
2155
2156 2019-04-30  Martin Liska  <mliska@suse.cz>
2157
2158         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2159         into built_in_function enum. Remove code for endp == 2 and
2160         use BUILT_IN_* constants.
2161         (gimple_fold_builtin): Call the function with fcode.
2162
2163 2019-04-30  Martin Liska  <mliska@suse.cz>
2164
2165         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2166         DECL_FUNCTION_CODE into ix86_builtins enum before
2167         the switch statement.
2168
2169 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR tree-optimization/89475
2172         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2173         calls.
2174
2175 2019-04-30  Martin Liska  <mliska@suse.cz>
2176
2177         PR translation/90274
2178         * opts.c (print_filtered_help): Wrap string in _(...).
2179
2180 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2181
2182         PR tree-optimization/90240
2183         Revert:
2184         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2185
2186         PR tree-optimization/90078
2187         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2188         checks for infinite_cost overflow.
2189
2190 2019-04-29  Jeff Law  <law@redhat.com>
2191
2192         * passes.def: Move -Wrestrict pass after copy propagation.
2193
2194 2019-04-29  Maya Rashish  <coypu@sdf.org>
2195
2196         * config.gcc (default_gnu_indirect_function): Default to yes
2197         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2198         sparc*-*-netbsd*, x86_64-*-netbsd*.
2199
2200 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2201
2202         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2203         where cond2 is NE_EXPR.
2204         (is_value_included_in): Update comment.
2205
2206 2019-04-29  Richard Biener  <rguenther@suse.de>
2207
2208         PR tree-optimization/90278
2209         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2210         EH on comparison simplification.
2211
2212 2019-04-29  Jason Merrill  <jason@redhat.com>
2213
2214         PR c++/82081 - tail call optimization breaks noexcept
2215         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2216         nothrow function to a might-throw function into a tail call.
2217
2218 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2219
2220         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2221         (DDR_INNER_LOOP): Likewise.
2222         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2223         (initialize_data_dependence_relation): Likewise.
2224         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2225
2226 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2227
2228         PR rtl-optimization/90257
2229         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2230         return value.
2231
2232         Revert the revert:
2233         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2234
2235         PR target/90178
2236         Revert:
2237         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2238
2239         Revert the revert:
2240         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2241
2242         Revert:
2243         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2244
2245         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2246
2247 2019-04-29  Richard Biener  <rguenther@suse.de>
2248
2249         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2250         rhs issue a reset.
2251
2252 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2253
2254         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2255         varasm.h, and netbsd-protos.h.
2256
2257 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2258
2259         PR target/89261
2260         * config/i386/i386-protos.h (ix86_data_alignment): Change
2261         the second argument type to unsigned int.
2262         * config/i386/i386.c (ix86_data_alignment): Change "align"
2263         argument type to unsigned int.
2264
2265 2019-04-27  Martin Liska  <mliska@suse.cz>
2266
2267         PR middle-end/90258
2268         * opt-suggestions.c (option_proposer::build_option_suggestions):
2269         When get_valid_option_values returns empty values, add the
2270         misspelling candidate.
2271
2272 2019-04-26  Jim Wilson  <jimw@sifive.com>
2273
2274         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2275         parameter.
2276         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2277         Pass orig_mode to riscv_build_integer.
2278         (riscv_split_integer): Pass mode to riscv_move_integer.
2279         (riscv_legitimize_const_move): Likewise.
2280         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2281         promoted_mode.  Replace force_reg call with code to load constant into
2282         promoted reg and then subreg it for the store.
2283         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2284         riscv_move_integer.
2285
2286 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2287
2288         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2289         corrupt codes.
2290
2291 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2292
2293         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2294         commentary about the encoding of precision.
2295
2296 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2297
2298         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2299         * config/i386/t-freebsd64: New file.
2300         * config.gcc: Add the t-freebsd64 for multilib support.
2301
2302 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2303
2304         * doc/extend.texi (vector_size): Add missing comma after @xref.
2305
2306 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2307
2308         * BASE-VER: Set to 10.0.0.
2309
2310 2019-04-25  Richard Biener  <rguenther@suse.de>
2311
2312         PR middle-end/89765
2313         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2314         VIEW_CONVERT_EXPR into one operating on an rvalue.
2315
2316 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2317
2318         PR target/89929
2319         * config/i386/i386.c (feature_priority): Moved to file scope.
2320         (processor_features): Likewise.
2321         (processor_model): Likewise.
2322         (_arch_names_table): Likewise.
2323         (arch_names_table): Likewise.
2324         (_feature_list): Removed.
2325         (feature_list): Likewise.
2326         (_isa_names_table): Moved to file scope.  Add priority.
2327         (isa_names_table): Likewise.
2328         (get_builtin_code_for_version): Replace feature_list with
2329         isa_names_table.  Update error message for P_ZERO priority.
2330
2331 2019-04-25  Richard Biener  <rguenther@suse.de>
2332
2333         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2334         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2335
2336 2019-04-24  Jeff Law  <law@redhat.com>
2337
2338         PR tree-optimization/90037
2339         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2340         * passes.def: Replace all instance of phi-only cprop with the
2341         lattice propagator.  Move propagation pass from after erroneous
2342         path isolation to before erroneous path isolation.
2343         * tree-ssa-phionlycprop.c: Remove.
2344
2345 2019-04-24  Richard Biener  <rguenther@suse.de>
2346
2347         PR middle-end/90213
2348         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2349         by size and BITS_PER_UNIT on poly-wide-ints.
2350
2351 2019-04-25  Richard Biener  <rguenther@suse.de>
2352
2353         PR middle-end/90194
2354         * match.pd: Add pattern to simplify view-conversion of an
2355         empty constructor.
2356
2357 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2358
2359         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2360         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2361         for Go on 32 bit AIX.
2362         * config/rs6000/aix72.h: Likewise.
2363
2364 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2365
2366         PR target/90193
2367         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2368         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2369
2370 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2371
2372         PR target/89952
2373         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2374         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2375         for restored hard frame pointer.
2376         (s390_sched_dependencies_evaluation): Implement new target hook.
2377         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2378
2379 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2380
2381         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2382         * config/arc/arc.c (arc_init): Cleanup warning message.
2383         (arc_override_options): Likewise.
2384
2385 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2386
2387         PR target/90187
2388         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2389         a register if both if_true and if_false are MEMs.
2390
2391         PR tree-optimization/90208
2392         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2393         after labels of new_bb, not before them.
2394
2395         PR tree-optimization/90211
2396         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2397         which are not SSA_NAMEs.
2398
2399 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2400
2401         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2402         AArch64.
2403         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2404
2405 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2406
2407         PR rtl-optimization/87979
2408         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2409         not equal zero.
2410
2411 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2412
2413         PR rtl-optimization/84032
2414         * modulo-sched.c (ps_insn_find_column): Change condition so that
2415         branch will always be the last insn in a row inside partial
2416         schedule.
2417
2418 2019-04-23  Richard Biener  <rguenther@suse.de>
2419
2420         PR debug/90131
2421         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2422         dest_single_pred_p argument.
2423         (remove_forwarder_block): Adjust.
2424         (remove_forwarder_block_with_phi): Likewise.
2425
2426 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2427             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2428             Jakub Jelinek  <jakub@redhat.com>
2429
2430         PR target/89093
2431         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2432         if used with general-regs-only.
2433         (arm_conditional_register_usage): Don't add non-general regs if
2434         general-regs-only.
2435         (arm_valid_target_attribute_rec): Handle general-regs-only.
2436         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2437         general-regs-only.
2438         (TARGET_HARD_FLOAT_SUB): Define.
2439         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2440         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2441         (TARGET_REALLY_IWMMXT2): Likewise.
2442         * config/arm/arm.opt: Add -mgeneral-regs-only.
2443         * doc/extend.texi: Document ARM general-regs-only target.
2444         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2445
2446 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2447
2448         PR tree-optimization/90078
2449         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2450         checks for infinite_cost overflow.
2451
2452 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2453
2454         PR tree-optimization/90021
2455         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2456         and check univariate against it.
2457         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2458         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2459
2460 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2461
2462         PR target/90178
2463         Revert:
2464         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2465
2466         Revert the revert:
2467         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2468
2469         Revert:
2470         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2471
2472         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2473
2474 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2475
2476         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2477         names using operand format, rather than hard-wired.
2478         (speculation_barrier): Likewise.
2479
2480 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2481
2482         PR tree-optimization/88055
2483         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2484         (gen_one_condition): Use it if !HONOR_NANS.
2485
2486 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2487
2488         PR middle-end/90139
2489         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2490         assign_temp instead of gen_reg_rtx.
2491
2492 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2493
2494         PR translation/90118
2495         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2496         Add missing space before %<.
2497
2498 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2499
2500         PR rtl-optimization/87871
2501         * ira-lives.c (make_object_dead): Don't add conflicts to
2502         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2503
2504 2019-04-18  Martin Sebor  <msebor@redhat.com>
2505
2506         PR middle-end/89797
2507         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2508         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2509         assuming type size fits in SHWI.
2510
2511 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2512
2513         PR ipa/85051
2514         * ipa-inline.c (flatten_function): New parameter UPDATE.
2515         (ipa_inline, early_inliner): Use it.
2516
2517 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2518
2519         * fold-const.c (int_const_binop): Return early on failure.
2520
2521 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2522
2523         PR middle-end/85164
2524         * combine.c (force_int_to_mode): Cast the argument rather than
2525         the result of known_alignment.
2526         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2527
2528 2019-04-18  Richard Biener  <rguenther@suse.de>
2529
2530         PR debug/90131
2531         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2532         out from ...
2533         (remove_forwarder_block): ... here.
2534         (remove_forwarder_block_with_phi): Also move debug stmts here.
2535
2536 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2537
2538         PR translation/79183
2539         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2540         inform where appropriate.
2541
2542 2019-04-18  Richard Biener  <rguenther@suse.de>
2543
2544         * tree.c (get_qualified_type): Put found type variants at the
2545         head of the variant list.
2546
2547 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2548
2549         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2550
2551 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2552
2553         PR target/90125
2554         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2555         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2556         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2557         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2558         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2559
2560 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2561
2562         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2563         even for allocno's with no conflicts.
2564         (print_conflicts): Print an extra newline.
2565
2566 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2567
2568         * auto-inc-dec.c (attempt_change): Set the alignment of the
2569         temporary memory to that of the original.
2570
2571 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2572
2573         * targhooks.c (default_print_patchable_function_entry): Emit
2574         __patchable_function_entries section with writable flags to allow
2575         relocation resolution.
2576
2577 2019-04-17  Jonny Grant  <jg@jguk.org>
2578
2579         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2580
2581 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2582
2583         PR middle-end/90095
2584         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2585         on lowpart SUBREGs.
2586
2587 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2588
2589         * config/arc/arc.c (arc_init): Format diagnostic string.
2590         (arc_override_options): Likewise.
2591         (check_if_valid_regno_const): Likewise.
2592         (arc_reorg): Likewise.
2593
2594 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2595
2596         PR target/17108
2597         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
2598         name.
2599         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
2600         name.
2601         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
2602         (*movdi_update1): Use Pmode.
2603         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
2604         (movdi_<mode>_update_stack): Rename to ...
2605         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
2606         use Pmode.
2607         (*movsi_update1): Use Pmode.
2608         (*movsi_update2): Use Pmode.
2609         (movsi_update): Rename to ...
2610         (movsi_<mode>_update): ... this.  Use Pmode.
2611         (movsi_update_stack): Fix condition.
2612         (*movhi_update1): Use Pmode.  Fix argument to
2613         avoiding_indexed_address_p.
2614         (*movhi_update2): Ditto.
2615         (*movhi_update3): Ditto.
2616         (*movhi_update4): Ditto.
2617         (*movqi_update1): Ditto.
2618         (*movqi_update2): Ditto.
2619         (*movqi_update3): Ditto.
2620         (*movsf_update1, *movdf_update1): Merge, rename to...
2621         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
2622         avoiding_indexed_address_p.  Add "size" attribute.
2623         (*movsf_update2, *movdf_update2): Merge, rename to...
2624         (*mov<mode>_update2): This.  Ditto.
2625         (*movsf_update3): Use Pmode.  Fix argument to
2626         avoiding_indexed_address_p.
2627         (*movsf_update4): Ditto.
2628         (allocate_stack): Simplify condition.  Adjust pattern names.
2629
2630 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR target/89093
2633         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
2634         whitespace at the start of target attribute string.
2635
2636 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
2637
2638         PR target/84369
2639         * config/rs6000/power9.md: Add store forwarding bypass.
2640
2641 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
2642
2643         PR debug/89528
2644         * valtrack.c (dead_debug_insert_temp): Reset debug references
2645         to the return value of a call being removed.
2646
2647 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2648
2649         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
2650         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
2651         implement target hook.
2652         (arc_memory_move_cost): New function.
2653         (TARGET_REGISTER_MOVE_COST): Define.
2654         (TARGET_MEMORY_MOVE_COST): Likewise.
2655         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
2656         (MEMORY_MOVE_COST): Likewise.
2657
2658 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2659
2660         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
2661         (sibcall_value_insn): Likewise.
2662         * config/arc/constraints.md (Rs5): Remove.
2663
2664 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2665
2666         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
2667         for last two fake registers.
2668         (arc_conditional_register_usage): Make sure fake frame and arg
2669         pointer regs are in general regs class.
2670         (FRAME_POINTER_MASK): Remove.
2671         (RETURN_ADDR_MASK): Remove.
2672         (arc_must_save_register): Use hard frame regnum.
2673         (frame_restore_reg): Use hard_frame_pointer_rtx.
2674         (arc_save_callee_saves): Likewise.
2675         (arc_restore_callee_saves): Likewise.
2676         (arc_save_callee_enter): Likewise.
2677         (arc_restore_callee_leave): Likewise.
2678         (arc_save_callee_milli): Likewise.
2679         (arc_eh_return_address_location): Likewise.
2680         (arc_check_multi): Use hard frame regnum.
2681         (arc_can_eliminate): Likewise.
2682         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
2683         for register allocator.
2684         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
2685         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
2686         (FRAME_POINTER_REGNUM): Change it to a fake register.
2687         (HARD_FRAME_POINTER_REGNUM): Defined.
2688         (ARG_POINTER_REGNUM): Change it to a new fake register.
2689         (ELIMINABLE_REGS): Update.
2690         (REGISTER_NAMES): Update names.
2691         * config/arc/arc.md (LP_START): Remove.
2692         (LP_END): Likewise.
2693         (shift_si3_loop): Update pattern.
2694
2695 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2696
2697         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
2698         to avoid delay slot scheduling.
2699         (arc_must_save_register): Don't save SP.
2700         * config/arc/arc.md (stack_tie): Remove.
2701         (UNSPEC_ARC_STKTIE): Likewise.
2702
2703 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
2704             Shiva Chen  <shiva0217@gmail.com>
2705
2706         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
2707         code gen with large shift amount.
2708
2709 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
2710
2711         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
2712         subreg.
2713
2714 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR target/90096
2717         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
2718         print -m64/-mx32/-m32 if it is true.
2719         (ix86_debug_options, ix86_function_specific_print): Pass true as
2720         ADD_ABI_P to ix86_target_string.
2721         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
2722         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
2723         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
2724
2725         PR rtl-optimization/90082
2726         * dce.c (can_delete_call): New function.
2727         (deletable_insn_p, mark_insn): Use it.
2728
2729         PR tree-optimization/90090
2730         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
2731         throw internally.
2732         (is_division_by_square): Likewise.  Formatting fix.
2733
2734 2019-04-16  Richard Biener  <rguenther@suse.de>
2735
2736         PR tree-optimization/56049
2737         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
2738         equality check if alias-set zero will prevail.
2739
2740 2019-04-15  Jeff Law  <law@redhat.com>
2741
2742         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
2743         size and alignment as unsigned.
2744
2745 2019-04-15  Richard Biener  <rguenther@suse.de>
2746
2747         PR debug/90074
2748         * tree-loop-distribution.c (destroy_loop): Preserve correct
2749         debug info.
2750
2751 2019-04-15  Richard Biener  <rguenther@suse.de>
2752
2753         PR tree-optimization/90071
2754         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
2755         abnormal operands from def stmts.
2756
2757 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
2758
2759         PR rtl-optimization/89794
2760         * combine.c (count_auto_inc): New function.
2761         (try_combine): Count how many auto_inc expressions there were in the
2762         original instructions.  Ensure we have the same number in the new
2763         instructions.  Remove the code that tried to ensure auto_inc side
2764         effects on i1 and i0 are not lost.
2765
2766 2019-04-15  Richard Biener  <rguenther@suse.de>
2767
2768         PR ipa/88936
2769         * tree.h (auto_var_p): Declare.
2770         * tree.c (auto_var_p): New function, split out from ...
2771         (auto_var_in_fn_p): ... here.
2772         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
2773         member.
2774         (new_var_info): Initialize it.
2775         (set_uids_in_ptset): Also set the shadow variable uid if required.
2776         (ipa_pta_execute): Postprocess points-to solutions assigning
2777         shadow variable uids for locals that may reach their containing
2778         function recursively.
2779         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
2780         assert but instead check whether the points-to solution is
2781         a singleton.
2782
2783 2019-04-15  Martin Jambor  <mjambor@suse.cz>
2784
2785         PR ipa/pr89693
2786         * cgraph.c (clone_of_p): Loop over clone chain for each step in
2787         the thunk chain.
2788
2789 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2790
2791         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
2792
2793 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2794             Kito Cheng  <kito.cheng@gmail.com>
2795             Shiva Chen  <shiva0217@gmail.com>
2796
2797         * config/nds32/nds32-md-auxiliary.c
2798         (nds32_legitimize_pic_address): Use new PIC pattern.
2799         (nds32_legitimize_tls_address): Use new TLS pattern.
2800         (nds32_output_symrel): New.
2801         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
2802         (nds32_alloc_relax_group_id): Ditto.
2803         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
2804         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
2805         relax_group_id.
2806         (nds32_group_tls_insn): Ditto.
2807         (nds32_group_float_insns): Ditto.
2808         * config/nds32/nds32.md (tls_le): New.
2809         (sym_got): Ditto.
2810
2811 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
2812
2813         * configure: Add nds32 target for dwarf2 debug_line checking.
2814         * configure.ac: Regenerated.
2815
2816 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
2817
2818         PR lto/89358
2819         * ipa-devirt.c (skip_in_fields_list_p): New.
2820         (odr_types_equivalent_p): Use it.
2821
2822 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
2823
2824         PR target/89093
2825         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
2826         instead of strncmp when checking for thumb and arm.  Formatting fixes.
2827
2828 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
2829
2830         * doc/install.texi: Document --with-target-system-zlib.
2831
2832 2019-04-12  Martin Sebor  <msebor@redhat.com>
2833
2834         PR c/88383
2835         PR c/89288
2836         PR c/89798
2837         PR c/89797
2838         * targhooks.c (default_vector_alignment): Avoid assuming
2839         argument fits in SHWI.
2840         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
2841         a shift expression.
2842         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
2843
2844 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2845
2846         PR rtl-optimization/89965
2847         * dce.c: Include rtl-iter.h.
2848         (struct check_argument_load_data): New type.
2849         (check_argument_load): New function.
2850         (find_call_stack_args): Check for loads from stack slots still tracked
2851         in sp_bytes and punt if any is found.
2852
2853         * config/mips/loongson-mmiintrin.h: Fix up #error message.
2854
2855 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
2856
2857         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
2858         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
2859
2860 2019-04-12  Martin Liska  <mliska@suse.cz>
2861
2862         PR middle-end/89970
2863         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
2864         in error message.
2865         (separate_attrs): Handle multiple 'default's.
2866         (expand_target_clones): Rework error handling code.
2867
2868 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2869
2870         PR target/87532
2871         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
2872         mode of vector rather than mode of destination for move instruction.
2873         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
2874         Use QI inner mode with V16QI vector mode.
2875
2876 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR target/52726
2879         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
2880         "invalid %%t operand" in output_operand_lossage message.
2881
2882 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
2883
2884         * config/s390/predicates.md (permute_pattern_operand): New
2885         predicate.
2886         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
2887         operand for the permute pattern.
2888         ("*vec_perm<mode>"): New insn definition.
2889         ("bswap<mode>"): Generate the permute pattern operand in the
2890         expander and perform the operand reloads for pre arch13 level
2891         already.
2892         ("*bswap<mode>_emu"): Rename to ...
2893         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
2894         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
2895         Add the USE operand for the permute pattern.
2896         ("*vec_set_bswap_vec<mode>"): Likewise.
2897
2898 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR c/89946
2901         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
2902         and gcc_unreachable if it fails, just call tree_to_uhwi which
2903         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
2904         Start warning message with a lower-case letter.  Formatting fixes.
2905
2906         PR rtl-optimization/90026
2907         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
2908         successors, look for BARRIERs inside of the whole BB_FOOTER chain
2909         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
2910         in cfglayout mode, use emit_barrier_after_bb.
2911
2912 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
2913
2914         PR rtl-optimization/87763
2915         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
2916         New Instruction.
2917
2918 2019-04-11  Tom de Vries  <tdevries@suse.de>
2919
2920         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
2921         max macro using statement expression.
2922
2923 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
2924
2925         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
2926         * xcoffout.c (xcoff_private_rodata_section_name): Define.
2927         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
2928         read_only_private_data_section using xcoff_private_rodata_section_name.
2929         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
2930
2931 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
2932
2933         PR target/90016
2934         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
2935
2936 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
2937
2938         PR rtl-optimization/89965
2939         * dce.c (sp_based_mem_offset): New function.
2940         (find_call_stack_args): Use sp_based_mem_offset.
2941
2942 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
2943
2944         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
2945
2946 2019-04-11  Richard Biener  <rguenther@suse.de>
2947
2948         PR tree-optimization/90020
2949         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
2950         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
2951         * tree-ssa-pre.c (compute_avail): Use it to not put
2952         possibly trapping references after a call that might not
2953         return into EXP_GEN.
2954         * gcse.c (compute_hash_table_work): Do not elide
2955         marking a block containing a call if the call might not
2956         return.
2957
2958 2019-04-11  Richard Biener  <rguenther@suse.de>
2959
2960         PR tree-optimization/90018
2961         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
2962         Test both SLP and interleaving variants.
2963
2964 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
2965
2966         * config/s390/8561.md: New file.
2967         * config/s390/driver-native.c (s390_host_detect_local_cpu):
2968         Add arch13 cpu model.
2969         * config/s390/s390-opts.h (enum processor_type): Likewise.
2970         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
2971         (s390_get_unit_mask): Likewise.
2972         (s390_is_fpd): Likewise.
2973         (s390_is_fxd): Likewise.
2974         * config/s390/s390.h (s390_tune_attr): Likewise.
2975         * config/s390/s390.md: Include arch13 pipeline description.
2976         * config/s390/s390.opt: Add arch13.
2977
2978 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
2979
2980         PR rtl-optimization/87763
2981         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
2982         New prototype.
2983         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
2984         New function.
2985         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
2986         New instruction.
2987         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
2988         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
2989         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
2990         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
2991
2992 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
2993
2994         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
2995         "Although" in -fipa-icf documentation.
2996
2997         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
2998         of using multiple -g options.
2999
3000 2019-04-10  Martin Liska  <mliska@suse.cz>
3001
3002         PR gcov-profile/89959
3003         * doc/gcov.texi: Make documentation of -x option
3004         more precise.
3005
3006 2019-04-10  Richard Biener  <rguenther@suse.de>
3007
3008         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3009         member.
3010         (DR_GROUP_SAME_DR_STMT): Remove.
3011         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3012         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3013         replace with assert.
3014         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3015         (vect_record_grouped_load_vectors): Remove unreachable code.
3016
3017 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3018
3019         PR target/90016
3020         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3021         obsolete reference to N.
3022
3023 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3024
3025         PR middle-end/90025
3026         * expr.c (store_expr): Set properly size on the MEM passed to
3027         clear_storage.
3028
3029         PR c++/90010
3030         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3031         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3032         translation is needed, and when translation is needed, only append
3033         ... if the string length is hostsz or more bytes long.  Avoid using
3034         strncpy or strcat.
3035
3036 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3037
3038         PR target/90024
3039         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3040         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3041         into three.
3042         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3043         differences directly.
3044         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3045
3046 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3047
3048         PR translation/90011
3049         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3050         from diagnostics.
3051         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3052         diagnostics.
3053         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3054         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3055         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3056         trailing space from -gsplit-dwarf diagnostics.
3057
3058         PR tree-optimization/89998
3059         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3060         instead of integer_type_node if possible, don't add ranges if return
3061         type is not compatible with int.
3062         * gimple-fold.c (gimple_fold_builtin_sprintf,
3063         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3064         integer_type_node.
3065
3066 2019-04-09  Martin Liska  <mliska@suse.cz>
3067
3068         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3069         * doc/install.texi: Document the new config.
3070
3071 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3072
3073         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3074         use gimple_expr_type for load and store calls.  Skip over the
3075         condition argument in a conditional internal function.
3076         Protect use of TREE_INT_CST_LOW.
3077
3078 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3079
3080         PR target/90015
3081         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3082         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3083         trailing period from it too.
3084
3085 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3086
3087         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3088         * config/aarch64/aarch64.md : Add "tsv110.md"
3089         * config/aarch64/tsv110.md: New file.
3090
3091 2019-04-08  Richard Biener  <rguenther@suse.de>
3092
3093         PR tree-optimization/90006
3094         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3095         calls like lrint.
3096
3097 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3098
3099         PR target/83033
3100         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3101         construction.
3102         (fma_root_node): Likewise.
3103         (func_fma_steering): Likewise.
3104
3105 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3106
3107         PR rtl-optimization/89865
3108         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3109
3110         PR rtl-optimization/89865
3111         * config/i386/i386.md
3112         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3113         numbers not to clash with the additional operands[4].
3114         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3115         with extra register copy in the middle.
3116
3117 2019-04-08  Martin Liska  <mliska@suse.cz>
3118
3119         PR gcov-profile/89961
3120         * doc/gcov.texi: Document data_file.
3121         * gcov.c (generate_results): Add data_info into JSON output.
3122
3123 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3124
3125         PR tree-optimization/89725
3126         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3127         loop's chrec as invariant symbol.
3128         * tree-chrec.h (chrec_contains_symbols): New parameter.
3129         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3130         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3131         function of loops not in DDR's loop_nest.
3132         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3133
3134 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3135
3136         PR target/89623
3137         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3138         Mask.
3139
3140 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3141
3142         PR target/89945
3143         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3144         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3145
3146 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3147
3148         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3149         targetm.fixed_condition_code_regs.
3150
3151 2019-04-05  Richard Biener  <rguenther@suse.de>
3152
3153         PR debug/89892
3154         PR debug/89905
3155         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3156         debug bind stmts but reset them if they are not valid at the
3157         destination.
3158
3159 2019-04-05  Martin Liska  <mliska@suse.cz>
3160
3161         PR translation/89936
3162         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3163         order to wrap keywords or arguments.
3164         * collect2.c (main): Likewise.
3165         (scan_prog_file): Likewise.
3166         (scan_libraries): Likewise.
3167         * common/config/riscv/riscv-common.c
3168         (riscv_subset_list::parsing_subset_version): Likewise.
3169         (riscv_subset_list::parse_std_ext): Likewise.
3170         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3171         Likewise.
3172         * config/arm/arm.c (arm_option_override): Likewise.
3173         * config/cris/cris.c (cris_print_operand): Likewise.
3174         * config/darwin-c.c (darwin_pragma_options): Likewise.
3175         (darwin_pragma_unused): Likewise.
3176         (darwin_pragma_ms_struct): Likewise.
3177         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3178         * config/i386/i386.c (print_reg): Likewise.
3179         (ix86_print_operand): Likewise.
3180         * config/i386/xm-djgpp.h: Likewise.
3181         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3182         * config/m32c/m32c.c (m32c_option_override): Likewise.
3183         * config/msp430/msp430.c (msp430_option_override): Likewise.
3184         * config/nds32/nds32.c (nds32_option_override): Likewise.
3185         * config/nvptx/mkoffload.c (main): Likewise.
3186         * config/rx/rx.c (rx_print_operand): Likewise.
3187         (valid_psw_flag): Likewise.
3188         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3189         (vms_pragma_nomember_alignment): Likewise.
3190         (vms_pragma_extern_model): Likewise.
3191         * lto-wrapper.c (compile_offload_image): Likewise.
3192         * omp-offload.c (oacc_parse_default_dims): Likewise.
3193         * symtab.c (symtab_node::verify_base): Likewise.
3194         * tlink.c (recompile_files): Likewise.
3195         (start_tweaking): Likewise.
3196         * tree-profile.c (parse_profile_filter): Likewise.
3197
3198 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3199
3200         PR tree-optimization/89956
3201         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3202         multiple negates of the same value.
3203
3204 2019-04-04  Martin Sebor  <msebor@redhat.com>
3205
3206         PR middle-end/89957
3207         PR middle-end/89911
3208         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3209         have the same precision since the function crashes otherwise.
3210         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3211         has non-zero arguments.
3212
3213 2019-04-04  Martin Sebor  <msebor@redhat.com>
3214
3215         PR middle-end/89934
3216         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3217         out if the number of arguments is less than expected.
3218
3219 2019-04-04  Jeff Law  <law@redhat.com>
3220
3221         PR rtl-optimization/89399
3222         * ree.c (combine_set_extension): Use single_set rather than
3223         digging into PATTERN for items on the candidate list.
3224         (combine_reaching_defs): Likewise.
3225
3226 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3227
3228         PR rtl-optimization/46590
3229         * loop-invariant.c (find_defs): Move df_remove_problem and
3230         df_process_deferred_rescans to move_invariants.
3231         Move df_live_add_problem and df_live_set_all_dirty calls
3232         to move_invariants.
3233         (move_invariants): Likewise.
3234         (move_loop_invariants): Likewise, making the df_live calls
3235         conditional on -O.  Remove the problem again if we added it
3236         locally.
3237
3238 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3239
3240         PR tree-optimization/89730
3241         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3242         -flive-patching=inline-only-static.
3243         (can_inline_edge_by_limits_p): Add the checking for
3244         -flive-patching=inline-only-static and grant always_inline
3245         even when -flive-patching=inline-only-static is specified.
3246
3247 2019-04-03  Jeff Law  <law@redhat.com>
3248
3249         PR rtl-optimization/81025
3250         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3251
3252 2019-04-03  Richard Biener  <rguenther@suse.de>
3253
3254         PR tree-optimization/84101
3255         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3256         regs.h for hard_regno_nregs.
3257         (cfun_returns): New helper.
3258         (vect_model_store_cost): When vectorizing a store to a decl
3259         we return and the function ABI returns in a multi-reg location
3260         account for the possible spilling that will happen.
3261
3262 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3263
3264         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3265         displacement addresses for vector mode operands.
3266
3267 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3268
3269         * config/arc/arc.c (GMASK_LEN): Define.
3270         (arc_restore_callee_saves): Restore first blink when
3271         !optimize_size.
3272
3273 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3274
3275         * doc/extend.texi: Add deprecated comment on sign-return-address
3276         function attribute and add mbranch-protection.
3277         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3278
3279 2019-04-03  Richard Biener  <rguenther@suse.de>
3280
3281         PR lto/89896
3282         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3283         the all target phony.
3284
3285 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3286
3287         PR target/89902
3288         PR target/89903
3289         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3290         Return false for variable DImode shifts.
3291         (dimode_scalar_chain::compute_convert_gain): Do not handle
3292         register count operand in variable DImode shifts.
3293         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3294         count argument of a variable shift instruction to a vector register.
3295         (dimode_scalar_chain::convert_reg): Remove support to convert
3296         count argument of a variable shift instruction.
3297
3298 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3299
3300         PR rtl-optimization/84206
3301         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3302         iterating over loop headers.
3303
3304 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3305
3306         PR rtl-optimization/85876
3307         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3308         beyond the original fence.
3309
3310 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3311
3312         * config.gcc: Mark spu* targets as deprecated/obsolete.
3313
3314 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3315
3316         * config/s390/s390-builtin-types.def: New builtin function type
3317         definitions. Remove unused types.
3318         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3319         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3320         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3321         overloaded builtins.
3322         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3323         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3324         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3325         (vec_double, vec_signed, vec_unsigned): Define to use the new
3326         overloaded builtins.
3327         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3328         Remove expanders.
3329
3330 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3331
3332         * config/s390/s390-builtin-types.def: New builtin function type
3333         definitions.
3334         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3335         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3336         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3337         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3338         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3339         constant definitions.
3340         * config/s390/vecintrin.h (vec_search_string_cc)
3341         (vec_search_string_until_zero_cc): New builtin name definitions.
3342         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3343         expanders.
3344         ("vec_vstrs<mode>"): New insn definition.
3345
3346 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3347
3348         * config/s390/s390-builtin-types.def: Add new builtin function
3349         types.
3350         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3351         New overloaded builtins.
3352         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3353         s390_vsrd.
3354         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3355         (UNSPEC_VEC_SLDBYTE): ... this.
3356         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3357         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3358         definitions.
3359         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3360         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3361         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3362
3363 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3364
3365         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3366         New insn definition.
3367         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3368         * config/s390/vector.md (V_HW_HSD): ... here.
3369
3370 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3371
3372         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3373         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3374         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3375         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3376         New insn definitions.
3377
3378 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3379
3380         * config/s390/s390-builtin-types.def: Add new builtin function type.
3381         * config/s390/s390-builtins.def: Add overloaded builtin
3382         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3383         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3384         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3385         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3386         ("eltswap<mode>"): New expander.
3387         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3388         insn definitions.
3389
3390 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3391
3392         * config/s390/s390-builtin-types.def: Add new builtin function types.
3393         * config/s390/s390-builtins.def: Add overloaded builtin
3394         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3395         instructions.
3396         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3397         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3398         ("bswap<mode>"): New expander.
3399         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3400
3401 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3402
3403         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3404         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3405         vector builtin version number in __VEC__.
3406
3407 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3408
3409         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3410         iterators.
3411         (SFSI): New mode attribute.
3412         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3413         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3414         rename to ...
3415         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3416         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3417         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3418         ("floatsi<mode>2"): Add wcefb instruction.
3419
3420 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3421
3422         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3423         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3424         mode iterators.
3425         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3426         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3427         support 32 bit fp-int conversions. Rename to ...
3428         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3429         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3430         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3431         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3432         ... to these.
3433
3434 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3435
3436         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3437         if-then-else constructs if we can use the select instruction.
3438         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3439
3440 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3441
3442         * config/s390/s390.md ("*popcountdi_arch13_cc")
3443         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3444         definition.
3445         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3446         Append _z196 to make it ...
3447         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3448         ("popcounthi2_z196"): ... this.
3449         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3450         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3451
3452 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3453
3454         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3455         certain compares for arch13 in order to make use of the condition
3456         code result produced by the new instructions.
3457         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3458         nxrk, and nxgrk instruction patterns.
3459         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3460         (inv_no): Add new code iterator together with some attributes.
3461         ("*andc_split_<mode>"): Disable splitter for arch13.
3462         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3463         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3464         ("*<ANDOR:bitops_name>c<GPR:mode>")
3465         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3466         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3467         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3468         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3469
3470 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3471
3472         * common/config/s390/s390-common.c (processor_flags_table): New
3473         entry for arch13.
3474         * config.gcc: Support arch13 with the --with-arch= configure flag.
3475         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3476         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3477         * config/s390/s390.c (s390_get_sched_attrmask)
3478         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3479         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3480         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3481         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3482         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3483         definitions.
3484         * config/s390/s390.opt: Support arch13 as processor type in
3485         command line options.
3486
3487 2019-04-02  Martin Liska  <mliska@suse.cz>
3488
3489         PR translation/89912
3490         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3491         Fix param description of graphite-max-arrays-per-scop.
3492
3493 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3494
3495         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3496         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3497         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3498
3499 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3500
3501         PR rtl-optimization/85412
3502         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3503         sel_sched_region_1, not after.
3504
3505 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3506
3507         PR rtl-optimization/86928
3508         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3509         compute_live if necessary.
3510         (sel_redirect_edge_and_branch): Likewise.
3511
3512 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3513
3514         PR rtl-optimization/89865
3515         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3516         register if it is a part of small class.
3517
3518 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3519
3520         PR rtl-optimization/87273
3521         * sel-sched-ir.c (merge_fences): Remove assert.
3522
3523 2019-04-01  Richard Biener  <rguenther@suse.de>
3524
3525         PR tree-optimization/46590
3526         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3527         (dom_walker::m_reachability): Add in place of...
3528         (dom_walker::m_skip_unreachable_blocks): ...this.
3529         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3530         Move complex initialization ...
3531         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3532         lazily and initialize edge flags on each invocation.
3533         (dom_walker::bb_reachable): Use m_reachability.
3534
3535 2019-04-01  Martin Liska  <mliska@suse.cz>
3536
3537         PR driver/89861
3538         * opt-suggestions.c (option_proposer::build_option_suggestions):
3539         Add variant without any argument in order to provide better
3540         hints.
3541
3542 2019-04-01  Richard Biener  <rguenther@suse.de>
3543
3544         PR c/71598
3545         * gimple.c: Include langhooks.h.
3546         (gimple_get_alias_set): Treat enumeral types as the underlying
3547         integer type.
3548
3549 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3550             Eric Botcazou  <ebotcazou@adacore.com>
3551
3552         PR rtl-optimization/89862
3553         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3554         that operates on the full registers for WORD_REGISTER_OPERATIONS
3555         architectures.
3556
3557 2019-03-29  Jim Wilson  <jimw@sifive.com>
3558
3559         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3560         Clear MASK_RVC and then set if C subset supported.
3561
3562 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3563
3564         PR c/89872
3565         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3566         non-addressable complit into its initializer if it is volatile.
3567
3568 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3569
3570         * opts-common.c (integral_argument): Set errno properly in one case.
3571
3572 2019-03-29  Martin Liska  <mliska@suse.cz>
3573
3574         * doc/invoke.texi: Remove -Wchkp from documentation.
3575
3576 2019-03-29  Martin Liska  <mliska@suse.cz>
3577
3578         * dbgcnt.c (print_limit_reach): New function.
3579         (dbg_cnt): Use it.
3580
3581 2019-03-29  Martin Liska  <mliska@suse.cz>
3582
3583         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3584         (dbg_cnt_process_opt): Parse first tokens aas
3585         dbg_cnt_process_single_pair is also using strtok.
3586
3587 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3588
3589         PR rtl-optimization/87485
3590         * function.c (expand_function_end): Move stack_protect_epilogue
3591         before loading of return value into hard register(s).
3592
3593 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3594
3595         PR middle-end/89621
3596         * tree-inline.h (struct copy_body_data): Add
3597         dont_remap_vla_if_no_change flag.
3598         * tree-inline.c (remap_type_3, remap_type_2): New functions.
3599         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
3600         and remap_type_2 returns false.
3601         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
3602         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
3603         only from where it is copied to nested contexts.
3604
3605 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3606
3607         PR target/89865
3608         * config/i386/i386.md (RMW operation with LEA peephole):
3609         Use LEAMODE mode attribute instead of SWI mode iterator for
3610         LEA pattern.
3611
3612 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3613
3614         PR target/89848
3615         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3616         Also process XEXP (src, 0) of a shift insn.
3617
3618 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
3619
3620         PR middle-end/89725
3621         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
3622         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
3623
3624 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3625
3626         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
3627         test.
3628         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
3629         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
3630         immediately after first one with df_analyze in between, but rather
3631         process all bbs, queueing ones that need second pass in a worklist,
3632         df_analyze, process queued debug insn changes and if second pass is
3633         needed, process bbs from worklist, df_analyze, process queued debug
3634         insns again.
3635
3636         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
3637         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
3638         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
3639
3640 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
3641
3642         PR c/79022
3643         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
3644         definition.
3645
3646 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
3647
3648         PR target/85667
3649         * config/i386/i386.c (ix86_function_value_1): Call the newly added
3650         function for 32-bit MS_ABI.
3651         (function_value_ms_32): New function.
3652
3653 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
3654
3655         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
3656         (movdi): Call gen_movdi_symbol_save_scc.
3657         (gen_movdi_symbol_save_scc): New insn and split.
3658
3659 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
3660
3661         PR rtl-optimization/89313
3662         * function.c (matching_constraint_num): New static function.
3663         (match_asm_constraints_1): Use it.  Fixup white space and comment.
3664         Don't replace inputs with non-matching constraints which conflict
3665         with early clobber outputs.
3666
3667 2019-03-27  Jeff Law  <law@redhat.com>
3668
3669
3670         PR rtl-optimization/87761
3671         PR rtl-optimization/89826
3672         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
3673         slightly later.
3674         (pass_cprop_hardreg::execute): Call df_analyze after adding the
3675         note problem to get REG_DEAD/REG_UNUSED notes updated.
3676
3677 2019-03-27  Richard Biener  <rguenther@suse.de>
3678
3679         PR tree-optimization/89463
3680         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
3681         queue edges to remove.
3682         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
3683         dead stmts.  Delay edge removal until PHIs are removed to
3684         make debug-stmt creation not confused by seemingly degenerate
3685         PHIs.
3686
3687 2019-03-27  Alan Modra  <amodra@gmail.com>
3688
3689         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
3690         throughout file.
3691         * config/rs6000/darwin.h: Likewise.
3692         * config/rs6000/rs6000.c: Likewise.
3693
3694 2019-03-27  Alan Modra  <amodra@gmail.com>
3695
3696         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
3697         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
3698
3699 2019-03-26  Andrew Waterman  <andrew@sifive.com>
3700             Jim Wilson  <jimw@sifive.com>
3701
3702         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
3703         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
3704         (generic_idivdi, generic_fmul_single, generic_fmul_double)
3705         (generic_fdiv, generic_fsqrt): Add check for generic tune.
3706         (generic_alu): Add auipc to type list.
3707         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
3708         (riscv_microarchitecture): Declare.
3709         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
3710         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
3711         field.
3712         (riscv_microarchitecture): New.
3713         (sifive_7_tune_info): New.
3714         (riscv_cpu_info_table): Add microarchitecture value for rocket and
3715         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
3716         entries.
3717         (riscv_store_data_bypass_p): New.
3718         (riscv_option_override): Set riscv_microarchitecture from
3719         cpu->microarchitecture.
3720         * config/riscv/riscv.md: Include sifive-7.md.
3721         (type): Add auipc.
3722         (tune): New.
3723         (auipc<mode>): Change type to auipc.
3724         (restore_stack_nonlocal): New.
3725         * config/riscv/sifive-7.md: New.
3726         * doc/invoke.texi (RISC-V Options): Update mtune docs.
3727
3728 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
3729
3730         PR target/89827
3731         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
3732         Also process XEXP (src, 0) of a shift insn.
3733
3734 2019-03-26  Richard Biener  <rguenther@suse.de>
3735
3736         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
3737         (copy_debug_stmt): Likewise.
3738         (expand_call_inline): Likewise.
3739         (copy_bb): Avoid redundant lookup & set of gimple_block.
3740         * gimple-low.c (lower_gimple_return): Likewise.
3741         (lower_builtin_setjmp): Likewise.
3742
3743 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
3744
3745         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
3746         is constant 0, turn into static const data member initialized to false.
3747         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
3748         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
3749
3750 2019-03-26  Jason Merrill  <jason@redhat.com>
3751             Jakub Jelinek  <jakub@redhat.com>
3752
3753         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
3754         method.
3755         (mem_alloc_description::release_object_overhead): Fix comment typos.
3756         * hash-table.h (hash_table::~hash_table): Call
3757         release_instance_overhead only if m_entries is non-NULL, otherwise
3758         call unregister_descriptor.
3759
3760 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
3761
3762         PR tree-optimization/81740
3763         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3764         In case of outer loop vectorization, check for backward dependence
3765         at the inner loop if outer loop dependence is reversed.
3766
3767 2019-03-26  Alan Modra  <amodra@gmail.com>
3768
3769         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
3770         rs6000_vector_mem init.  Correct wI and wJ comment.
3771
3772 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
3773
3774         PR rtl-optimization/88347
3775         PR rtl-optimization/88423
3776         * sched-deps.c (sched_analyze_insn): Take into account that for
3777         tablejumps the barrier appears after a label and a jump_table_data.
3778
3779 2019-03-25  Martin Sebor  <msebor@redhat.com>
3780
3781         PR c/89812
3782         * c-common.c (check_user_alignment): Rename local.  Correct maximum
3783         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
3784         convert it to UHWI when it fits.
3785
3786 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
3787
3788         PR debug/86964
3789         * dwarf2out.c (premark_used_variables): New function.
3790         (prune_unused_types_walk): Do not mark not premarked external
3791         variables.
3792         (prune_unused_types): Call premark_used_variables.
3793
3794 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
3795
3796         PR rtl-optimization/89676
3797         * lra-constraints.c (curr_insn_transform): Do match reload for
3798         early clobbers when the match was successful only for different
3799         registers.
3800
3801 2019-03-25  Martin Sebor  <msebor@redhat.com>
3802
3803         * doc/extend.texi (Common Type Attributes): Document vector_size.
3804         (Common Variable Attributes): Mention size constraint.  Correct
3805         quoting and typos.
3806         (Vector Extensions): Use @dfn when defining bas type.  Clarify
3807         base type and size constraints.
3808
3809 2019-03-25  Richard Biener  <rguenther@suse.de>
3810
3811         PR tree-optimization/89789
3812         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
3813         changes from non-undefined back to undefined.
3814
3815 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
3816
3817         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
3818         heap string and a gc string, but since this variable is unknown to
3819         ggc the gc string might get reused and corrupted. Fixed by always
3820         using a heap string.
3821
3822 2019-03-25  Richard Biener  <rguenther@suse.de>
3823
3824         PR tree-optimization/89779
3825         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
3826         to remove IV defs, delay actual removal.
3827         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
3828         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
3829         very end, properly also reset loop control IV information.
3830
3831 2019-03-25  Richard Biener  <rguenther@suse.de>
3832
3833         PR tree-optimization/89802
3834         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
3835         move EH data to folded stmt.
3836
3837 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3838
3839         * config/s390/s390-builtin-types.def: Remove few unused types and
3840         fix sort order for others.
3841
3842 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3843
3844         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
3845         expected and found types with -mdebug during builtin matching.
3846
3847 2019-03-25  Richard Biener  <rguenther@suse.de>
3848
3849         PR middle-end/89790
3850         * fold-const.c (operand_equal_p): Revert last change with
3851         updated comment.
3852
3853 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
3854
3855         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
3856         notes for the result of the __tls_get_addr calls.
3857         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
3858
3859 2019-03-24  Jeff Law  <law@redhat.com>
3860
3861         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
3862
3863         PR rtl-optimization/87761
3864         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
3865         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
3866         as needed.
3867         (pass_cprop_hardreg::execute): Add df note problem and defer insn
3868         rescans.  Reprocess blocks as needed, calling df_analyze before
3869         reprocessing.  Always call df_analyze before fixing up debug bind
3870         insns.
3871
3872 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
3873
3874         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
3875         big endian.
3876
3877 2019-03-22  Andrew Pinski  <apinski@marvell.com>
3878
3879         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
3880         attrribute for uxtw.
3881
3882 2019-03-26  Jeff Law  <law@redhat.com>
3883
3884         PR rtl-optimization/87761
3885         * config/mips/mips-protos.h (mips_split_move): Add new argument.
3886         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
3887         (mips_split_move): Accept new INSN argument.  Try to forward SRC
3888         into the next instruction.
3889         (mips_split_move_insn): Pass INSN through to mips_split_move.
3890
3891 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
3892
3893         PR rtl-optimization/89676
3894         * lra-constraints.c (curr_insn_transform): Do match reload for
3895         early clobbers even if the match was successful.
3896
3897 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3898
3899         PR c++/87481
3900         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
3901
3902 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
3903
3904         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
3905
3906 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3907
3908         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
3909         <avx512>_fmsub_<mode>_mask3<round_name>,
3910         <avx512>_fnmadd_<mode>_mask3<round_name>,
3911         <avx512>_fnmsub_<mode>_mask3<round_name>,
3912         avx512f_vmfmadd_<mode>_mask3<round_name>,
3913         avx512f_vmfmsub_<mode>_mask3<round_name>,
3914         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
3915         instead of register_operand and %v instead of v for match_operand 1.
3916         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
3917         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
3918         <round_nimm_predicate> instead of register_operand and %v instead of v
3919         for match_operand 1.
3920
3921         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
3922         <avx512>_fmadd_<mode>_mask3<round_name>,
3923         <avx512>_fmsub_<mode>_mask<round_name>,
3924         <avx512>_fmsub_<mode>_mask3<round_name>,
3925         <avx512>_fnmadd_<mode>_mask<round_name>,
3926         <avx512>_fnmadd_<mode>_mask3<round_name>,
3927         <avx512>_fnmsub_<mode>_mask<round_name>,
3928         <avx512>_fnmsub_<mode>_mask3<round_name>,
3929         <avx512>_fmaddsub_<mode>_mask<round_name>,
3930         <avx512>_fmaddsub_<mode>_mask3<round_name>,
3931         <avx512>_fmsubadd_<mode>_mask<round_name>,
3932         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
3933         <round_nimm_predicate> instead of nonimmediate_operand.
3934         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
3935         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
3936         Use register_operand instead of <round_nimm_predicate> for the
3937         operand that needs to match output.
3938         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
3939         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
3940         Likewise.  Formatting fixes.
3941
3942         PR target/89784
3943         * config/i386/i386.c (enum ix86_builtins): Remove
3944         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
3945         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
3946         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
3947         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
3948         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
3949         __builtin_ia32_vfmsubss3_mask3): New builtins.
3950         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
3951         avx512f_vmfmadd_<mode>_mask3<round_name>,
3952         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
3953         *avx512f_vmfmsub_<mode>_mask<round_name>,
3954         avx512f_vmfmsub_<mode>_mask3<round_name>,
3955         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
3956         *avx512f_vmfnmadd_<mode>_mask<round_name>,
3957         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
3958         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
3959         *avx512f_vmfnmsub_<mode>_mask<round_name>,
3960         avx512f_vmfnmsub_<mode>_mask3<round_name>,
3961         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
3962         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
3963         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
3964         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
3965         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
3966         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
3967         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
3968         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
3969         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
3970         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
3971         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
3972         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
3973         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
3974         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
3975         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
3976         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
3977         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
3978         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
3979         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
3980         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
3981         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
3982         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
3983
3984 2019-03-21  Martin Sebor  <msebor@redhat.com>
3985
3986         PR tree-optimization/89350
3987         * builtins.c (compute_objsize): Also ignore offsets whose upper
3988         bound is negative.
3989         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
3990         (builtin_memref::builtin_memref): Initialize new member.
3991         Allow EXPR to be null.
3992         (builtin_memref::extend_offset_range): Replace local with a member.
3993         Avoid assuming pointer offsets are unsigned.
3994         (builtin_memref::set_base_and_offset): Determine base object
3995         before computing offset range.
3996         (builtin_access::builtin_access): Handle memset.
3997         (builtin_access::generic_overlap): Replace local with a member.
3998         (builtin_access::strcat_overlap): Same.
3999         (builtin_access::overlap): Same.
4000         (maybe_diag_overlap): Same.
4001         (maybe_diag_access_bounds): Same.
4002         (wrestrict_dom_walker::check_call): Handle memset.
4003         (check_bounds_or_overlap): Same.
4004
4005 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4006             Jakub Jelinek  <jakub@redhat.com>
4007
4008         PR lto/89692
4009         * tree.c (fld_type_variant, fld_incomplete_type_of,
4010         fld_process_array_type): Call fld->pset.add and don't call
4011         add_tree_to_fld_list if it returns true.
4012         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4013         non-marked types from TYPE_NEXT_VARIANT list.
4014         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4015
4016 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4017
4018         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4019         to false, if true, don't alloc_entries during construction, but defer
4020         it to the first method that needs m_entries allocated.
4021         (hash_table::hash_table, hash_table::~hash_table,
4022         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4023         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4024         hash_table::clear_slot, hash_table::traverse_noresize,
4025         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4026         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4027         false.
4028         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4029         NO_INSERT instead of find_with_hash.
4030         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4031         hash_set::m_table): Add Lazy to template params of hash_table.
4032         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4033         * attribs.c (test_attribute_exclusions): Likewise.
4034         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4035         hash_set.  Add tests for hash_set with Lazy = true.
4036
4037 2019-03-21  Richard Biener  <rguenther@suse.de>
4038
4039         PR tree-optimization/89779
4040         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4041         checks with respect to released SSA names now having error_mark_node
4042         type.
4043         * fold-const.c (operand_equal_p): Likewise.
4044
4045 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4046
4047         PR target/89775
4048         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4049         available to ...
4050         (s390_optimize_register_info): Use global_not_special_regno_p to
4051         check for global regs.
4052
4053 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4054
4055         PR target/89752
4056         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4057         update this_alternative nor this_alternative_set.
4058
4059 2019-03-19  Jim Wilson  <jimw@sifive.com>
4060
4061         PR target/89411
4062         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4063         align, size, offset.  Use them to handle a BLKmode reference.  Update
4064         comment.
4065         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4066
4067 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4068
4069         PR rtl-optimization/89768
4070         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4071         instead of GEN_INT.
4072         (unroll_loop_runtime_iterations): Likewise.
4073
4074 2019-03-19  Martin Sebor  <msebor@redhat.com>
4075
4076         PR tree-optimization/89644
4077         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4078         rather than endptr as an indicator of nul-termination.
4079
4080         PR tree-optimization/89644
4081         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4082         arrays in determining sequence sizes in strncpy and stpncpy.
4083
4084 2019-03-19  Martin Liska  <mliska@suse.cz>
4085
4086         PR middle-end/89737
4087         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4088         unlikely_edges if there's an edge that belongs to both these sets.
4089
4090 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4091
4092         PR target/89746
4093         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4094         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4095         go via a stack temporary.
4096
4097 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4098
4099         PR target/89378
4100         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4101         instead of gen_rtx_SUBREG.
4102         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4103
4104 2019-03-19  Richard Biener  <rguenther@suse.de>
4105
4106         PR debug/88389
4107         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4108
4109 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4110
4111         PR lto/87809
4112         PR lto/89335
4113         * tree.c (free_lang_data_in_decl): Do not free context of C++
4114         destrutors.
4115
4116 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4117
4118         PR target/89506
4119         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4120         subs for the first alternative except when operands[3] is 1.
4121
4122         PR target/89752
4123         * gimplify.c (gimplify_asm_expr): For output argument with
4124         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4125         diagnose error.
4126
4127 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4128
4129         PR rtl-optimization/89753
4130         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4131         explicit unrolling factor even more robust.
4132
4133 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4134
4135         PR target/89726
4136         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4137         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4138         signed zeros, do another copysign after the compensation.
4139
4140 2019-03-18  Martin Sebor  <msebor@redhat.com>
4141
4142         PR tree-optimization/89720
4143         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4144         more conservatively, the same as anti-range.
4145
4146 2019-03-18  Richard Biener  <rguenther@suse.de>
4147
4148         PR middle-end/88945
4149         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4150         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4151         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4152         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4153
4154 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4155
4156         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4157         Extend queue to 1024 entries.
4158         Add "consumed" field.
4159         (gomp_print_output): Remove print_index parameter.
4160         Add final parameter.
4161         Change limit to unsigned.
4162         Use consumed field to implement circular buffer.
4163         Detect interrupted print in final pass.
4164         Flush output at the end.
4165         (run): Update gomp_print_output usage.
4166         (main): Initialize kernargs->output_data.consumed.
4167
4168 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4169
4170         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4171         calculation of the minimum number of scalar iterations for
4172         fully-predicated loops.
4173
4174 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4175
4176         PR tree-optimization/89546
4177         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4178         any propagation to its children took place.
4179
4180 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4181
4182         PR target/89627
4183         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4184         parameter, and make use of it.
4185         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4186
4187 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4188
4189         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4190         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4191         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4192         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4193         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4194         match what the ops is doing.
4195         (push_multi_fp_blink): Likewise.
4196         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4197         compiling for size and elf target.
4198         (arc_save_callee_enter): Adjust note to match what enter/leave
4199         operation does.
4200
4201 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4202
4203         * config/arc/arc.md (tst_movb): Fix constraint.
4204
4205 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4206
4207         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4208
4209 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4210
4211         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4212         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4213         reg_alloc_order references.
4214         (size_alloc_order): Define.
4215         (arc_adjust_reg_alloc_order): New function.
4216         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4217         order.
4218         (ADJUST_REG_ALLOC_ORDER): Define.
4219         (HONOR_REG_ALLOC_ORDER): Likewise.
4220
4221 2019-03-18  Richard Biener  <rguenther@suse.de>
4222
4223         PR target/87561
4224         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4225         loads and stores a bit more.
4226
4227 2019-03-18  Richard Biener  <rguenther@suse.de>
4228
4229         PR target/87561
4230         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4231         load pessimization to stores as well.
4232
4233 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4234
4235         PR middle-end/86979
4236         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4237         successor, use NULL as its av set.
4238
4239 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4240
4241         PR rtl-optimization/89721
4242         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4243
4244 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4245
4246         PR target/87532
4247         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4248         When handling vec_extract, use modular arithmetic to allow
4249         constant selectors greater than vector length.
4250         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4251         V1TImode vectors to have constant selector values greater than 0.
4252         Use modular arithmetic to compute vector index.
4253         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4254         index for in-memory vectors.  Correct code generation for
4255         in-register vectors.
4256         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4257         compute index.
4258
4259 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4260
4261         PR c++/88534
4262         PR c++/88537
4263         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4264         VAR_DECL args.
4265
4266 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4267
4268         PR c++/89709
4269         * tree.c (inchash::add_expr): Strip any location wrappers.
4270         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4271         after hash verification.
4272
4273         PR debug/89704
4274         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4275         SIGN_EXTEND and ZERO_EXTEND.
4276
4277 2019-03-14  Jason Merrill  <jason@redhat.com>
4278             Jakub Jelinek  <jakub@redhat.com>
4279
4280         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4281         than if is_empty (*slot).
4282         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4283         existing elt and for elt removal.
4284         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4285         of already removed elt.
4286
4287 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4288
4289         PR target/89650
4290         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4291         REG_EH_REGION note.
4292
4293 2019-03-14  Martin Liska  <mliska@suse.cz>
4294
4295         PR other/89712
4296         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4297
4298 2019-03-14  Richard Biener  <rguenther@suse.de>
4299
4300         PR target/89711
4301         * config/i386/i386.c (make_resolver_func): Properly set
4302         DECL_CONTEXT on the RESULT_DECL.
4303         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4304
4305 2019-03-14  Richard Biener  <rguenther@suse.de>
4306
4307         * gimple-pretty-print.c: Include cfgloop.h.
4308         (dump_gimple_phi): Adjust.
4309         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4310         (pp_cfg_jump): Adjust.
4311         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4312         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4313         (lower_phi_internal_fn): Remove.
4314         (verify_gimple_call): Remove IFN_PHI special-casing.
4315         (dump_function_to_file): Dump IL state.
4316         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4317         done to deal with PHI nodes being present in non-SSA state.
4318
4319 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4320
4321         PR ipa/89684
4322         * multiple_target.c (create_dispatcher_calls): Change
4323         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4324         In the node->iterate_referring loop, push *ref rather than ref, call
4325         ref->remove_reference () and always pass 0 to iterate_referring.
4326
4327         PR rtl-optimization/89679
4328         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4329         would contain a paradoxical SUBREG.
4330
4331 2019-03-14  Richard Biener  <rguenther@suse.de>
4332
4333         PR tree-optimization/89710
4334         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4335         safe_dyn_cast.
4336
4337 2019-03-14  Martin Liska  <mliska@suse.cz>
4338
4339         * coverage.c (coverage_begin_function): Stream also
4340         end_column.
4341         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4342         documentation about function declaration location.
4343         * gcov-dump.c (tag_function): Print whole range
4344         of function declaration.
4345         * gcov.c (struct function_info): Add end_column field.
4346         (function_info::function_info): Initialize it.
4347         (output_json_intermediate_file): Output {start,end}_column
4348         fields.
4349         (read_graph_file): Read end_column.
4350
4351 2019-03-14  Richard Biener  <rguenther@suse.de>
4352
4353         PR middle-end/89698
4354         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4355         that the access types are similar.
4356
4357 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4358
4359         PR tree-optimization/89703
4360         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4361         aren't compatible also with builtin_decl_explicit.  Check pure
4362         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4363         and BUILT_IN_STPNCPY{,_CHK}.
4364
4365 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4366
4367         PR target/89523
4368         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4369         addr32 prefix to VSIB address for X32.
4370         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4371         "%M2" to opcode.
4372         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4373         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4374         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4375         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4376         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4377         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4378         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4379         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4380         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4381         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4382         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4383         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4384         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4385         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4386         (*avx512f_scatterdi<mode>): Likewise.
4387
4388 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4389
4390         PR target/85860
4391         * lra-constraints.c (inherit_in_ebb): Update
4392         potential_reload_hard_regs along with live_hard_regs.
4393
4394 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4395
4396         PR debug/89498
4397         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4398         DWARF_OFFSET_SIZE.
4399         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4400
4401 2019-03-13  Martin Sebor  <msebor@redhat.com>
4402
4403         PR tree-optimization/89662
4404         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4405         has a size.
4406
4407 2019-03-13  Richard Biener  <rguenther@suse.de>
4408
4409         PR middle-end/89677
4410         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4411         throw FP expressions at tree-affine.
4412
4413 2019-03-14  Richard Biener  <rguenther@suse.de>
4414
4415         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4416         dump negative integer constants using _Literal (type) -num.
4417
4418 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4419
4420         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4421         nonlocal_value member.
4422
4423         PR middle-end/88588
4424         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4425         (ipa_simd_modify_function_body): Handle PHIs.
4426
4427 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4428
4429         * config/s390/s390.c (s390_option_override_internal): Use more
4430         aggressive inlining parameters.
4431
4432 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4433
4434         * config/s390/3906.md: New file.
4435         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4436         (LONGRUNNING_THRESHOLD): Remove.
4437         (MAX_SCHED_MIX_SCORE): Decrease.
4438         (MAX_SCHED_MIX_DISTANCE): Decrease.
4439         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4440         (struct s390_sched_state): New struct to hold scheduling state.
4441         (S390_SCHED_STATE_NORMAL): Remove.
4442         (S390_SCHED_STATE_CRACKED): Remove.
4443         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4444         (s390_get_sched_attrmask): Use new attribute.
4445         (s390_get_unit_mask): Use new units.
4446         (s390_is_fpd): New function.
4447         (s390_is_fxd): New function.
4448         (s390_is_longrunning): New function.
4449         (s390_sched_score): Use new functions.
4450         (s390_sched_reorder): Likewise.
4451         (s390_sched_variable_issue): Rework and use new functions.
4452         (s390_sched_init): Use new functions.
4453         * config/s390/s390.h (s390_tune_attr):  Add z14.
4454         * config/s390/s390.md: Add z14.
4455
4456 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4457
4458         * config/s390/2964.md: Update pipeline description.
4459         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4460         (LONGRUNNING_THRESHOLD): Remove.
4461         (LATENCY_FACTOR): Remove.
4462         (s390_get_unit_mask): Add unit.
4463         (s390_sched_score): Use fxd/fpd.
4464         (s390_sched_variable_issue): Use fxd/fpd.
4465
4466 2019-03-12  Martin Liska  <mliska@suse.cz>
4467
4468         * config/i386/i386.c: Reword an error message.
4469
4470 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4471
4472         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4473         terminate with newline.
4474
4475 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4476
4477         PR target/52726
4478         * config/s390/s390.md (tabort): Use %wd instead of
4479         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4480         letters and periods.
4481         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4482         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4483         's with %< and %>.
4484
4485         PR middle-end/89663
4486         * builtins.c (expand_builtin_int_roundingfn,
4487         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4488         gcc_unreachable if validate_arglist fails.
4489
4490 2019-03-12  Richard Biener  <rguenther@suse.de>
4491
4492         PR tree-optimization/89664
4493         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4494         free the occurance tree after the early out.
4495
4496 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4497
4498         PR middle-end/89655
4499         PR bootstrap/89656
4500         * vr-values.c (vr_values::update_value_range): If
4501         old_vr->varying_p (), don't update it, make new_vr also VARYING
4502         and return false.
4503
4504 2019-03-11  Martin Liska  <mliska@suse.cz>
4505
4506         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4507         Fix double string quoting.
4508
4509 2019-03-11  Martin Liska  <mliska@suse.cz>
4510
4511         * collect-utils.c (collect_wait): Wrap apostrophes
4512         in gcc internal format with %'.
4513         * collect2.c (main): Likewise.
4514         (scan_prog_file): Likewise.
4515         (scan_libraries): Likewise.
4516         * config/i386/i386.c (ix86_expand_call): Likewise.
4517         (ix86_handle_interrupt_attribute): Likewise.
4518         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4519         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4520         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4521         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4522         * symtab.c (symtab_node::verify_base): Likewise.
4523         * tree-cfg.c (verify_gimple_label): Likewise.
4524         * tree.c (verify_type_variant): Likewise.
4525
4526 2019-03-11  Martin Liska  <mliska@suse.cz>
4527
4528         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4529         in a string format message and fix GNU coding style.
4530         (expand_builtin_set_thread_pointer): Likewise.
4531         * common/config/aarch64/aarch64-common.c
4532         (aarch64_rewrite_selected_cpu): Likewise.
4533         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4534         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4535         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4536         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4537         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4538         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4539         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4540         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4541         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4542         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4543         Likewise.
4544         * common/config/riscv/riscv-common.c
4545         (riscv_subset_list::parsing_subset_version): Likewise.
4546         (riscv_subset_list::parse_std_ext): Likewise.
4547         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4548         (riscv_subset_list::parse): Likewise.
4549         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4550         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4551         (aarch64_override_options_internal): Likewise.
4552         (aarch64_validate_mcpu): Likewise.
4553         (aarch64_validate_march): Likewise.
4554         (aarch64_validate_mtune): Likewise.
4555         (aarch64_override_options): Likewise.
4556         * config/alpha/alpha.c (alpha_option_override): Likewise.
4557         * config/arc/arc.c (arc_init): Likewise.
4558         (parse_mrgf_banked_regs_option): Likewise.
4559         (arc_override_options): Likewise.
4560         (arc_expand_builtin_aligned): Likewise.
4561         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4562         (arm_expand_builtin): Likewise.
4563         * config/arm/arm.c (arm_option_check_internal): Likewise.
4564         (arm_configure_build_target): Likewise.
4565         (arm_option_override): Likewise.
4566         (arm_options_perform_arch_sanity_checks): Likewise.
4567         (arm_handle_cmse_nonsecure_entry): Likewise.
4568         (arm_handle_cmse_nonsecure_call): Likewise.
4569         (arm_tls_referenced_p): Likewise.
4570         (thumb1_expand_prologue): Likewise.
4571         * config/avr/avr.c (avr_option_override): Likewise.
4572         * config/bfin/bfin.c (bfin_option_override): Likewise.
4573         * config/c6x/c6x.c (c6x_option_override): Likewise.
4574         * config/cr16/cr16.c (cr16_override_options): Likewise.
4575         * config/cris/cris.c (cris_option_override): Likewise.
4576         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4577         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4578         * config/darwin.c (darwin_override_options): Likewise.
4579         * config/frv/frv.c (frv_expand_builtin): Likewise.
4580         * config/h8300/h8300.c (h8300_option_override): Likewise.
4581         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4582         (ix86_option_override_internal): Likewise.
4583         (warn_once_call_ms2sysv_xlogues): Likewise.
4584         (ix86_expand_prologue): Likewise.
4585         (split_stack_prologue_scratch_regno): Likewise.
4586         (ix86_warn_parameter_passing_abi): Likewise.
4587         * config/ia64/ia64.c (fix_range): Likewise.
4588         * config/m68k/m68k.c (m68k_option_override): Likewise.
4589         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4590         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4591         (mips_set_compression_mode): Likewise.
4592         * config/mmix/mmix.c (mmix_option_override): Likewise.
4593         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4594         * config/msp430/msp430.c (msp430_option_override): Likewise.
4595         * config/nds32/nds32.c (nds32_option_override): Likewise.
4596         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
4597         (nios2_option_override): Likewise.
4598         (nios2_expand_custom_builtin): Likewise.
4599         * config/nvptx/mkoffload.c (main): Likewise.
4600         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
4601         * config/pa/pa.c (fix_range): Likewise.
4602         (pa_option_override): Likewise.
4603         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
4604         (riscv_option_override): Likewise.
4605         * config/rl78/rl78.c (rl78_option_override): Likewise.
4606         * config/rs6000/aix61.h: Likewise.
4607         * config/rs6000/aix71.h: Likewise.
4608         * config/rs6000/aix72.h: Likewise.
4609         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
4610         * config/rs6000/freebsd64.h: Likewise.
4611         * config/rs6000/linux64.h: Likewise.
4612         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
4613         (rs6000_expand_zeroop_builtin): Likewise.
4614         (rs6000_expand_mtfsb_builtin): Likewise.
4615         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
4616         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
4617         (rs6000_invalid_builtin): Likewise.
4618         (rs6000_expand_split_stack_prologue): Likewise.
4619         * config/rs6000/rtems.h: Likewise.
4620         * config/rx/rx.c (valid_psw_flag): Likewise.
4621         (rx_expand_builtin): Likewise.
4622         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
4623         * config/s390/s390.c (s390_expand_builtin): Likewise.
4624         (s390_function_profiler): Likewise.
4625         (s390_option_override_internal): Likewise.
4626         (s390_option_override): Likewise.
4627         * config/sh/sh.c (sh_option_override): Likewise.
4628         (sh_builtin_saveregs): Likewise.
4629         (sh_fix_range): Likewise.
4630         * config/sh/vxworks.h: Likewise.
4631         * config/sparc/sparc.c (sparc_option_override): Likewise.
4632         * config/spu/spu.c (spu_option_override): Likewise.
4633         (fix_range): Likewise.
4634         * config/visium/visium.c (visium_option_override): Likewise.
4635         (visium_handle_interrupt_attr): Likewise.
4636         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
4637         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
4638         (dbg_cnt_process_opt): Likewise.
4639         * dwarf2out.c (output_dwarf_version): Likewise.
4640         * except.c (expand_eh_return): Likewise.
4641         * gcc.c (defined): Likewise.
4642         (driver_handle_option): Likewise.
4643         (process_command): Likewise.
4644         (compare_files): Likewise.
4645         (driver::prepare_infiles): Likewise.
4646         (driver::do_spec_on_infiles): Likewise.
4647         (driver::maybe_run_linker): Likewise.
4648         * omp-offload.c (oacc_parse_default_dims): Likewise.
4649         * opts-global.c (handle_common_deferred_options): Likewise.
4650         * opts.c (parse_sanitizer_options): Likewise.
4651         (common_handle_option): Likewise.
4652         (enable_warning_as_error): Likewise.
4653         * passes.c (enable_disable_pass): Likewise.
4654         * plugin.c (parse_plugin_arg_opt): Likewise.
4655         (default_plugin_dir_name): Likewise.
4656         * targhooks.c (default_expand_builtin_saveregs): Likewise.
4657         (default_pch_valid_p): Likewise.
4658         * toplev.c (init_asm_output): Likewise.
4659         (process_options): Likewise.
4660         (toplev::run_self_tests): Likewise.
4661         * tree-cfg.c (verify_gimple_call): Likewise.
4662         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
4663         (tree_inlinable_function_p): Likewise.
4664         * var-tracking.c (vt_find_locations): Likewise.
4665
4666 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
4667
4668         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
4669         only on the else branch.
4670
4671 2019-03-11  Martin Liska  <mliska@suse.cz>
4672
4673         * gcov.c (output_intermediate_json_line): Print function
4674         name of each line.
4675         (output_json_intermediate_file): Add new argument.
4676         * doc/gcov.texi: Document the change.
4677
4678 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
4679
4680         PR rtl-optimization/89588
4681         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4682         explicit unrolling factor more robust.
4683
4684 2019-03-11  Richard Biener  <rguenther@suse.de>
4685
4686         PR tree-optimization/89649
4687         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
4688         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
4689         on the prolog and epilog loops.
4690         (vect_loop_versioning): Return copy of loop.
4691         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
4692         on the non-vectorized version of the loop.
4693
4694 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
4695
4696         PR target/68924
4697         * config/i386/sse.md (*vec_extractv2di_0_sse):
4698         Add (=r,x) alternative and corresponding splitter.
4699
4700 2019-03-10  Martin Jambor  <mjambor@suse.cz>
4701
4702         PR tree-optimization/85762
4703         PR tree-optimization/87008
4704         PR tree-optimization/85459
4705         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
4706         it points to if there is a type changing MEM_REF.  Adjust all callers.
4707         (build_accesses_from_assign): Disable total scalarization if
4708         contains_vce_or_bfcref_p returns true through the new parameter, for
4709         both rhs and lhs.
4710
4711 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
4712
4713         PR c/88568
4714         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
4715         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
4716
4717         PR target/79645
4718         * common.opt (fdiagnostics-show-labels,
4719         fdiagnostics-show-line-numbers, fdiagnostics-format=,
4720         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
4721         gas-locview-support, ginline-points, ginternal-reset-location-views):
4722         Terminate description text with a dot.
4723         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
4724         * config/mcore/mcore.opt (m210, m340): Likewise.
4725         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
4726         mnops=): Start description text with a capital letter.
4727         * config/arc/arc.opt (msize-level=): Likewise.
4728         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
4729         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
4730         mnewlib): Likewise.
4731         * config/ft32/ft32.opt (msim): Likewise.
4732         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
4733         (mnodiv, mnopm): Terminate description text with a dot.
4734         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
4735         a colon.
4736         * config/i386/i386.opt (prefer_vector_width, instrument_return):
4737         Likewise.
4738         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
4739         text.
4740
4741         PR rtl-optimization/89634
4742         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
4743         are modified in BB_END (e->src) instruction.
4744
4745 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
4746
4747         PR target/79926
4748         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
4749         messages more amenable to translation, and improve wording.
4750
4751 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
4752
4753         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
4754         ud- and du-chains between phases.
4755
4756 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
4757
4758         PR debug/89631
4759         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
4760         instead of POLY_INT_CST.
4761
4762 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4763
4764         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
4765         requirement.
4766
4767 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
4768
4769         PR target/68924
4770         PR target/78782
4771         PR target/87558
4772         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
4773         (_mm_storeu_si64): Ditto.
4774
4775 2019-03-08  Martin Liska  <mliska@suse.cz>
4776
4777         PR target/86952
4778         * config/i386/i386.c (ix86_option_override_internal): Disable
4779         jump tables when retpolines are used.
4780
4781 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
4782
4783         PR go/63560
4784         * ipa-split.c (execute_split_functions): Do not split
4785         'noinline' or 'section' function.
4786
4787 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4788
4789         PR target/79846
4790         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
4791         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
4792         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
4793
4794         PR ipa/80000
4795         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4796         from diagnostics.  Formatting fixes.
4797
4798         PR target/85665
4799         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
4800         warn_odr diagnostics.
4801
4802         PR other/80058
4803         * lra-constraints.c (process_alt_operands): Avoid one space before
4804         " at the end of line and another after " on another line in a string
4805         literal.
4806         * attribs.c (handle_dll_attribute): Likewise.
4807         * config/avr/avr-devices.c (avr_texinfo): Likewise.
4808
4809         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
4810         warning_at or inform messages in G_() if there is no ?:.
4811
4812         PR tree-optimization/89550
4813         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
4814         returned true.  Formatting fixes.
4815         (expand_builtin_strnlen): Formatting fixes.
4816         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
4817         if warning_at returned true.
4818         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
4819
4820 2019-03-08  Richard Biener  <rguenther@suse.de>
4821
4822         PR middle-end/89578
4823         * cfgloop.h (struct loop): Add owned_clique field.
4824         * cfgloopmanip.c (copy_loop_info): Copy it.
4825         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
4826         cliques.
4827         * tree-inline.c (copy_loops): Remap owned_clique.
4828         * lto-streamer-in.c (input_cfg): Stream owned_clique.
4829         * lto-streamer-out.c (output_cfg): Likewise.
4830
4831 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4832
4833         PR target/80190
4834         * config/darwin.c: Include intl.h.
4835         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
4836         composing the message out of two separate parts.
4837
4838 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4839
4840         PR target/80003
4841         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
4842         doesn't start with a capital letter and doesn't end with a dot.
4843         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
4844         with a capital letter.
4845         (ix86_mangle_function_version_assembler_name): Likewise.
4846         (ix86_generate_version_dispatcher_body): Likewise.
4847         (fold_builtin_cpu): Likewise.
4848         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
4849         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
4850         translators, wrap full type name in %qs.
4851
4852         PR translation/79999
4853         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
4854         depend clause with source (or sink) modifier.
4855         * omp-expand.c (expand_omp_ordered_sink): Likewise.
4856
4857         PR target/89602
4858         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
4859         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
4860         (avx512f_load<mode>_mask): New define_expand.
4861         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
4862         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
4863         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
4864         __builtin_ia32_movess_mask): New builtins.
4865         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
4866         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
4867         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
4868         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
4869
4870 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4871
4872         PR lto/87525
4873         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
4874         for extern inline functions.
4875
4876 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4877
4878         PR ipa/88235
4879         * cgraph.h (cgraph_node): New inline method former_thunk_p.
4880         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
4881         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
4882         have multiple callees.  At the end check if declarations match as
4883         opposed to cgraph_nodes.
4884
4885 2019-03-07  Martin Liska  <mliska@suse.cz>
4886
4887         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
4888         which is equivalent to searching for this in clones chain.
4889         * symtab.c (symtab_node::verify_base): Similarly compare ASM
4890         names with a neighbour and special case first node in a chain.
4891
4892 2019-01-25  Jason Merrill  <jason@redhat.com>
4893
4894         PR c++/80916 - spurious "static but not defined" warning.
4895         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
4896         for an internal symbol with DECL_EXTERNAL.
4897
4898 2019-04-07  Richard Biener  <rguenther@suse.de>
4899
4900         PR middle-end/89618
4901         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
4902         * tree-inline.c (copy_loops): Simplify.
4903
4904 2019-03-07  Martin Liska  <mliska@suse.cz>
4905
4906         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
4907
4908 2019-03-07  Richard Biener  <rguenther@suse.de>
4909
4910         PR tree-optimization/89595
4911         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
4912         stmt iterator as reference, take boolean output parameter to
4913         indicate whether the stmt was removed and thus the iterator
4914         already advanced.
4915         (dom_opt_dom_walker::before_dom_children): Re-iterate over
4916         stmts created by folding.
4917
4918 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4919
4920         PR c++/89585
4921         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
4922         at toplevel.
4923
4924 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
4925
4926         PR rtl-optimization/88845
4927         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
4928         LRA.
4929         * lra.c (remove_scratches_1): New function.
4930         (remove_scratches): Use it.
4931         (lra_emit_move): Likewise.
4932
4933 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
4934
4935         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
4936         unaligned_access variable.
4937         * config/arc/arc.c (arc_override_options): Set unaligned access
4938         default on for HS CPUs.
4939         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
4940
4941 2019-03-06  Martin Liska  <mliska@suse.cz>
4942
4943         PR gcov-profile/89577
4944         * doc/gcov.texi: Prefer to use --coverage.
4945         * doc/sourcebuild.texi: Likewise.
4946
4947 2019-03-02  Jason Merrill  <jason@redhat.com>
4948
4949         PR c++/86485 - -Wmaybe-unused with empty class ?:
4950         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
4951
4952 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4953
4954         PR target/89587
4955         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
4956         if_multiarch.
4957
4958         PR middle-end/89590
4959         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
4960         exactly one argument.
4961
4962 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4963             Richard Sandiford  <richard.sandiford@arm.com>
4964
4965         PR tree-optimization/89570
4966         * match.pd (vec_cond into cond_op simplification): Don't use
4967         get_conditional_internal_fn, use as_internal_fn (cond_op).
4968
4969 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
4970
4971         PR target/89222
4972         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
4973         to decide when to split off a non-zero offset from a symbol.
4974         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
4975         in function symbols.
4976
4977 2019-03-05  Richard Biener  <rguenther@suse.de>
4978
4979         PR tree-optimization/89594
4980         * tree-if-conv.c (pass_if_conversion::execute): Handle
4981         case where .LOOP_VECTORIZED_FUNCTION was removed.
4982
4983 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
4984
4985         PR bootstrap/89560
4986         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
4987         instead alloca it only when needed with the needed size.
4988
4989         PR tree-optimization/89570
4990         * match.pd (vec_cond into cond_op simplification): Guard with
4991         vectorized_internal_fn_supported_p test and #if GIMPLE.
4992
4993         PR tree-optimization/89566
4994         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
4995         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
4996         Punt if get_user_idx_format succeeds, but idx_format argument is
4997         not provided or doesn't have pointer type, or if idx_args is above
4998         number of provided arguments.
4999
5000 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5001
5002         PR tree-optimization/89437
5003         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5004
5005 2019-03-04  Richard Biener  <rguenther@suse.de>
5006
5007         PR middle-end/89572
5008         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5009         safe_dyn_cast.
5010
5011 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5012
5013         PR tree-optimization/89487
5014         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5015         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5016         (distribute_loop): Don't do runtime alias check if there is non-
5017         addressable data reference.
5018         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5019         is a register variable.
5020
5021 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5022
5023         PR target/89506
5024         * config/arm/arm.md (cmpsi2_addneg): Use
5025         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5026         If operands[2] is 0 or INT_MIN, force use of subs.
5027         (*compare_scc splitter): Use gen_int_mode.
5028         (*negscc): Likewise.
5029         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5030
5031 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5032             Monk Chiang  <sh.chiang04@gmail.com>
5033
5034         * common/config/riscv/riscv-common.c: Include sstream.
5035         (riscv_subset_list::to_string): New.
5036         (riscv_arch_str): Likewise.
5037         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5038         * config.in: Regen.
5039         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5040         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5041         (riscv_emit_attribute): New.
5042         (riscv_file_start): Emit attribute if needed.
5043         (riscv_option_override): Init riscv_emit_attribute_p.
5044         * config/riscv/riscv.opt (mriscv-attribute): New option.
5045         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5046         * configure: Regen.
5047         * doc/install.texi: Document --with-riscv-attribute.
5048         * doc/invoke.texi: Document -mriscv-attribute.
5049
5050         * common/config/riscv/riscv-common.c:
5051         Include config/riscv/riscv-protos.h.
5052         (INCLUDE_STRING): Defined.
5053         (RISCV_DONT_CARE_VERSION): Defined.
5054         (riscv_subset_t): Declare.
5055         (riscv_subset_t::riscv_subset_t): New.
5056         (riscv_subset_list): Declare.
5057         (riscv_subset_list::riscv_subset_list): New.
5058         (riscv_subset_list::~riscv_subset_list): Likewise.
5059         (riscv_subset_list::parsing_subset_version): Likewise.
5060         (riscv_subset_list::parse_std_ext): Likewise.
5061         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5062         (riscv_subset_list::add): Likewise.
5063         (riscv_subset_list::lookup): Likewise.
5064         (riscv_subset_list::xlen): Likewise.
5065         (riscv_subset_list::parse): Likewise.
5066         (riscv_supported_std_ext): Likewise.
5067         (current_subset_list): Likewise.
5068         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5069         parse.
5070
5071 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5072
5073         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5074         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5075         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5076
5077 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5078
5079         PR rtl-optimization/85899
5080         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5081         fallthru edges leading to the exit block.
5082
5083 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5084
5085         PR target/89517
5086         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5087         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5088
5089 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5090
5091         PR tree-optimization/89535
5092         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5093         for each operand.  Calculate the fallback choice for mask operands
5094         and pass it to vect_get_vec_def_for_operand.
5095
5096 2019-03-01  Richard Biener  <rguenther@suse.de>
5097
5098         PR middle-end/89541
5099         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5100         get virtual operands.
5101         (get_expr_operands): Handle CONST_DECL like other decls.
5102
5103 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5104
5105         PR middle-end/89503
5106         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5107         on DECL_P and EXPR_P.
5108
5109 2019-03-01  Richard Biener  <rguenther@suse.de>
5110
5111         PR middle-end/89497
5112         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5113         argument, defaulted to zero.
5114         * passes.c (execute_function_todo): Pass down SSA update flags
5115         to cleanup_tree_cfg.
5116         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5117         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5118         form if requested.
5119         (cleanup_tree_cfg): Get and pass down SSA update flags.
5120
5121 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5122
5123         PR bootstrap/89539
5124         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5125         early_lto_debug argument.
5126
5127 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5128
5129         PR tree-optimization/89536
5130         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5131         only whether bit #0 of the value is 0 instead of the entire value.
5132
5133 2019-02-28  Marek Polacek  <polacek@redhat.com>
5134
5135         PR c++/87068 - missing diagnostic with fallthrough statement.
5136         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5137         at the end of a seq, save its location to walk_stmt_info.
5138         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5139         a switch.
5140
5141 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5142
5143         PR lto/88585
5144         * tree.c (find_atomic_core_type): Move ahead in file.
5145         (check_base_type): Correctly compare alignments of atomic types.
5146
5147 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5148
5149         PR target/89455
5150         * config/i386/i386.c (get_builtin_code_for_version): Identify
5151         Westmere from PCLMUL, instead of AES.
5152
5153 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5154
5155         PR target/89434
5156         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5157         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5158         -UINTVAL (...).
5159
5160 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5161
5162         PR target/88530
5163         * config/aarch64/aarch64-option-extensions.def: Document it.
5164         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5165         if empty hwcaps.
5166
5167 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5168
5169         PR c/89520
5170         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5171         builtins if they don't have a single scalar floating point argument.
5172         Formatting fixes.
5173
5174 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5175
5176         PR rtl-optimization/89490
5177         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5178         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5179         block section is not mergeable.
5180
5181 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5182
5183         PR target/70341
5184         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5185         old define_insn to ...
5186         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5187         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5188         Rename old define_insn to ...
5189         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5190         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5191         define_insn to ...
5192         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5193         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5194         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5195
5196 2019-02-27  Richard Biener  <rguenther@suse.de>
5197
5198         PR debug/88878
5199         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5200
5201 2019-02-27  Richard Biener  <rguenther@suse.de>
5202
5203         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5204         building.
5205
5206 2019-02-27  Richard Biener  <rguenther@suse.de>
5207
5208         PR debug/88878
5209         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5210         parameter, prefix section name with .gnu.debuglto_ if true.
5211         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5212         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5213
5214 2019-02-27  Richard Biener  <rguenther@suse.de>
5215
5216         PR debug/89514
5217         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5218         rather than on use_debug_types, doing what output_die does.
5219         (value_format): Likewise.
5220
5221 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5222             Martin Sebor  <msebor@redhat.com>
5223
5224         * doc/invoke.texi (Warning Options): Reword description of
5225         -Wno-absolute-value.
5226
5227 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5228
5229         PR tree-optimization/89280
5230         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5231         builtin_setjmp_setup_bb): New functions.
5232         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5233         When visiting __builtin_setjmp_setup block, queue in special
5234         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5235         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5236         from visited after the loop if they don't have any visited successor
5237         blocks.
5238
5239 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5240
5241         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5242         New function.
5243         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5244
5245 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5246
5247         PR c++/89507
5248         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5249         with types other than sizetype/ssizetype.
5250
5251 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5252
5253         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5254         (enum sparc_processor_type): ...this.
5255         (enum sparc_code_model_type): New enumeration type.
5256         (enum sparc_memory_model_type): Tweak comments.
5257         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5258         (mtune): Likewise.
5259         (mcmodel): Use sparc_code_model enumeration and variable.
5260         (sparc_code_model): New enumeration.
5261         (mdebug): Add Undocumented marker.
5262         * config/sparc/sparc.h (enum cmodel): Delete.
5263         (sparc_cmodel): Likewise.
5264         (TARGET_CM_MEDLOW): Adjust to above renaming.
5265         (TARGET_CM_MEDMID): Likewise.
5266         (TARGET_CM_MEDANY): Likewise.
5267         (TARGET_CM_EMBMEDANY): Likewise.
5268         * config/sparc/sparc.c (sparc_cmodel): Delete.
5269         (sparc_option_override): Remove string/value mapping support for the
5270         code model.  Move code and memory model support to after the handling
5271         of target flags.  Do private machine setup last.
5272         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5273         (sparc_legitimize_reload_address): Likewise.
5274         (sparc_output_mi_thunk): Likewise.
5275         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5276
5277 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5278
5279         PR tree-optimization/89500
5280         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5281         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5282         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5283         cst if the first cst bytes starting at x are known to be non-zero,
5284         even if the string is not zero terminated.  Don't try to modify
5285         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5286         we can prove strnlen returns the same value as strlen would.
5287
5288 2019-02-26  Martin Liska  <mliska@suse.cz>
5289
5290         * alloc-pool.h (struct pool_usage): Remove extra
5291         print_dash_line.
5292         * bitmap.h (struct bitmap_usage): Likewise.
5293         * ggc-common.c (struct ggc_usage): Likewise.
5294         * mem-stats.h (struct mem_usage): Likewise.
5295         (mem_alloc_description::dump): Print dash lines
5296         here and repeat header at the end of a table report.
5297         It's then more readable.
5298         * tree-phinodes.c (phinodes_print_statistics): Make
5299         horizontal alignment.
5300         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5301         * vec.c (struct vec_usage): Remove extra print_dash_line.
5302         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5303
5304 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5305
5306         * doc/extend.texi (__builtin_object_size):
5307         Use @pxref instead of @xref inside parenthesis.
5308         (__builtin_has_attribute): Add missing comma after @xref.
5309         (__builtin_object_size): Ditto.
5310         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5311         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5312         in the list.
5313
5314 2019-02-26  Jeff Law  <law@redhat.com>
5315
5316         PR rtl-optimization/87761
5317         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5318         detect obviously dead insns and delete them.
5319
5320 2019-02-26  Richard Biener  <rguenther@suse.de>
5321
5322         PR tree-optimization/89505
5323         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5324         to handle restrict pointed-to vars with multiple subvars
5325         correctly.
5326
5327 2019-02-26  Richard Biener  <rguenther@suse.de>
5328
5329         PR tree-optimization/89489
5330         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5331
5332 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5333
5334         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5335         and move around comment.
5336         <BIT_AND_EXPR>: Likewise.
5337         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5338
5339 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5340
5341         PR target/89474
5342         * config/i386/i386.c (remove_partial_avx_dependency): Call
5343         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5344         after changing possibly many instructions to use that pseudo.  Fix up
5345         insertion of v4sf_const0 setter at the start of bb.
5346
5347 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5348
5349         PR c/80409
5350         * doc/extend.texi (Variadic Pointer Args): New section.
5351
5352 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5353             Martin Sebor  <msebor@gmail.com>
5354
5355         * common.opt (Wattribute-alias): Likewise.
5356         * doc/invoke.texi (Option Summary): List general form of
5357         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5358         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5359         Add cross-references.
5360         (-Wattribute-alias): Rewrite and correct default.  Mention
5361         considered attributes (same as for -Wmissing-attributes).
5362
5363 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5364
5365         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5366         (_mm_cvtpd_ps): Likewise.
5367         (_mm_cvttpd_epi32): Likewise.
5368
5369         PR target/89338
5370         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5371         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5372
5373         PR target/89339
5374         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5375
5376 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5377
5378         PR target/88530
5379         * common/config/aarch64/aarch64-common.c
5380         (struct aarch64_option_extension): Add is_synthetic.
5381         (all_extensions): Use it.
5382         (TARGET_OPTION_INIT_STRUCT): Define hook.
5383         (struct gcc_targetm_common): Moved to end.
5384         (all_extensions_by_on): New.
5385         (opt_ext_cmp, typedef opt_ext): New.
5386         (aarch64_option_init_struct): New.
5387         (aarch64_contains_opt): New.
5388         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5389         * config/aarch64/aarch64-option-extensions.def
5390         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5391         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5392         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5393         Set is_synthetic to false.
5394         (crypto): Set is_synthetic to true.
5395         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5396         SYNTHETIC.
5397
5398 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5399
5400         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5401         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5402         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5403         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5404         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5405         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5406         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5407         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5408         Rename ...
5409         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5410         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5411         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5412         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5413         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5414         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5415         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5416         vfmlsl_laneq_high_f16): ... To this.
5417         * config/arm/neon.md: Update comments.
5418
5419 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5420
5421         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5422         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5423         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5424         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5425         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5426         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5427         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5428         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5429         Rename ...
5430         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5431         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5432         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5433         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5434         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5435         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5436         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5437         vfmlslq_laneq_high_f16): ... To this.
5438
5439 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5440
5441         PR rtl-optimization/86096
5442         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5443         comparing mw_order values.
5444
5445 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5446
5447         PR target/89434
5448         * config/arm/arm.md (*subsi3_carryin_const): Use
5449         arm_neg_immediate_operand predicate instead of
5450         arm_not_immediate_operand, "L" constraint instead of "K" and
5451         print it using %n2 instead of %B2.
5452         (*subsi3_carryin_const0): New define_insn.
5453         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5454         instead of arm_not_operand and "I" constraint instead of "K" and
5455         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5456         another match_operand and in the condition check that it is negation
5457         of operands[2].
5458         (*subsi3_carryin_compare_const0): New define_ins.
5459         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5460         *subsi3_carryin_const.
5461         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5462         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5463
5464         PR target/89438
5465         * config/arm.vfp.md (*negdf2_vfp): Use
5466         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5467         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5468
5469 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5470
5471         PR rtl-optimization/89445
5472         * simplify-rtx.c (simplify_ternary_operation): Don't use
5473         simplify_merge_mask on operands that may trap.
5474         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5475         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5476         second operand is CONST_VECTOR, check if any element could be zero.
5477         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5478         their operands can trap.
5479
5480 2019-02-23  Martin Sebor  <msebor@redhat.com>
5481
5482         * gimple-ssa-sprintf.c (target_strtol): Rename...
5483         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5484         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5485         check for range error.
5486
5487 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5488
5489         PR driver/69471
5490         * opts-common.c (prune_options): Also prune joined switches
5491         with Negative and RejectNegative.
5492         * config/i386/i386.opt (march=): Add Negative(march=).
5493         (mtune=): Add Negative(mtune=).
5494         * doc/options.texi: Document Negative used together with Joined
5495         and RejectNegative.
5496
5497 2019-02-22  Martin Sebor  <msebor@redhat.com>
5498
5499         * doc/extend.texi (Other Builtins): Add
5500         __builtin_is_constant_evaluated.
5501
5502 2019-02-22  Richard Biener  <rguenther@suse.de>
5503
5504         PR tree-optimization/87609
5505         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5506
5507 2019-02-22  Jeff Law  <law@redhat.com>
5508
5509         PR rtl-optimization/87761
5510         * config/mips/mips.md: Add new combiner pattern to recognize
5511         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5512
5513 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5514
5515         PR target/89324
5516         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5517         destination register in peepholes generating patterns for ADDS/SUBS.
5518         (add<mode>3_compare0,
5519         *addsi3_compare0_uxtw, add<mode>3_compareC,
5520         add<mode>3_compareV_imm, add<mode>3_compareV,
5521         *adds_<optab><ALLX:mode>_<GPI:mode>,
5522         *subs_<optab><ALLX:mode>_<GPI:mode>,
5523         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5524         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5525         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5526         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5527         sub<mode>3_compare1): Allow stack pointer for source register.
5528         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5529
5530 2019-02-22  Martin Sebor  <msebor@redhat.com>
5531
5532         PR tree-optimization/88993
5533         PR tree-optimization/88853
5534         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5535         New helper.
5536         (sprintf_dom_walker::call_info::is_string_func): New helper.
5537         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5538         for formatted string functions.
5539         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5540
5541 2019-02-22  Martin Sebor  <msebor@redhat.com>
5542
5543         PR c/89425
5544         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5545         unreachable subexpressions.
5546
5547 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5548             Hongtao Liu  <hongtao.liu@intel.com>
5549             Sunil K Pandey  <sunil.k.pandey@intel.com>
5550
5551         PR target/87007
5552         * config/i386/i386-passes.def: Add
5553         pass_remove_partial_avx_dependency.
5554         * config/i386/i386-protos.h
5555         (make_pass_remove_partial_avx_dependency): New.
5556         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5557         New function.
5558         (pass_data_remove_partial_avx_dependency): New.
5559         (pass_remove_partial_avx_dependency): Likewise.
5560         (make_pass_remove_partial_avx_dependency): Likewise.
5561         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5562         (*extendsfdf2): Add avx_partial_xmm_update.
5563         (truncdfsf2): Likewise.
5564         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5565         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5566
5567 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5568
5569         PR middle-end/85598
5570         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5571         analysis for pass.
5572
5573 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5574
5575         PR target/89444
5576         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5577         (PTA_SKYLAKE): Add PTA_AES.
5578         (PTA_GOLDMONT): Likewise.
5579
5580 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5581
5582         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5583         instruction if enabled.
5584         (aarch64_override_options): Remove reference to return address key.
5585
5586 2019-02-22  Richard Biener  <rguenther@suse.de>
5587
5588         PR tree-optimization/89440
5589         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5590         not necessary assert.
5591
5592 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5593
5594         PR fortran/72741
5595         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5596         (oacc_replace_fn_attrib_attr): ... this new function.
5597         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
5598         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
5599
5600 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5601
5602         * config/arm/arm-cpus.in (ares): Rename to...
5603         (neoverse-n1): ... This.  Add ares as alias.
5604         * config/arm/arm-tables.opt: Regenerate.
5605         * config/arm/arm-tune.md: Likewise.
5606         * doc/invoke.txt (ARM Options): Document neoverse-n1.
5607
5608 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5609
5610         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
5611         * config/aarch64/aarch64-tune.md: Regenerate.
5612         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
5613
5614 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5615
5616         * config/aarch64/aarch64.c (ares_tunings): Rename to...
5617         (neoversen1_tunings): ... This.
5618         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
5619         (neoverse-n1): New CPU.
5620         * config/aarch64/aarch64-tune.md: Regenerate.
5621         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
5622
5623 2019-02-22  Richard Biener  <rguenther@suse.de>
5624
5625         PR middle-end/87609
5626         * cfghooks.h (dependence_hash): New typedef.
5627         (struct copy_bb_data): New type.
5628         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
5629         (duplicate_block): Likewise.
5630         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
5631         (copy_bbs): Create and pass down copy_bb_data.
5632         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
5633         (rtl_duplicate_bb): Likewise.
5634         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
5635         remap dependence info.
5636
5637 2019-02-22  Richard Biener  <rguenther@suse.de>
5638
5639         PR tree-optimization/87609
5640         * tree-core.h (tree_base): Document special clique values.
5641         * tree-inline.c (remap_dependence_clique): Do not use the
5642         special clique value of one.
5643         (maybe_set_dependence_info): Use clique one.
5644         (clear_dependence_clique): New callback.
5645         (compute_dependence_clique): Clear clique one from all refs
5646         before assigning it (again).
5647
5648 2019-02-21  Martin Sebor  <msebor@redhat.com>
5649
5650         * doc/extend.texi (__clear_cache): Correct signature.
5651
5652 2019-02-21  Ian Lance Taylor  <iant@golang.org>
5653
5654         PR go/89170
5655         * varasm.c (decode_addr_const): Call lookup_constant_def rather
5656         than output_constant_def.
5657         (add_constant_to_table): New static function.
5658         (output_constant_def): Call add_constant_to_table.
5659         (tree_output_constant_def): Likewise.
5660
5661 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5662
5663         PR c++/89285
5664         * builtins.c (fold_builtin_arith_overflow): If first two args are
5665         INTEGER_CSTs, set intres and ovfres to constants rather than calls
5666         to ifn.
5667
5668 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5669
5670         PR target/87412
5671         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
5672         error for -mindirect-branch/-mfunction-return with incompatible
5673         -fcf-protection.
5674
5675 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5676
5677         PR bootstrap/88714
5678         * constraints.md (q): Remove.
5679         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
5680         instead of q.
5681
5682 2019-02-21  Martin Jambor  <mjambor@suse.cz>
5683
5684         PR hsa/89302
5685         * omp-general.c (omp_extract_for_data): Removed a duplicate call
5686         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
5687         (omp_adjust_for_condition): ...here.  Added necessary parameters.
5688         * omp-general.h (omp_adjust_for_condition): Updated declaration.
5689         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
5690         proper values to new parameters of omp_adjust_for_condition.
5691
5692 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5693
5694         PR middle-end/89412
5695         * expr.c (expand_assignment): If result is a MEM, use change_address
5696         instead of simplify_gen_subreg.
5697
5698 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5699             David Malcolm  <dmalcolm@redhat.com>
5700
5701         PR middle-end/89091
5702         * fold-const.c (decode_field_reference): Return NULL_TREE if
5703         lang_hooks.types.type_for_size returns NULL.  Check it before
5704         overwriting *exp_.  Use return NULL_TREE instead of return 0.
5705
5706 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5707
5708         PR middle-end/88074
5709         PR middle-end/89415
5710         * toplev.c (do_compile): Double the emin/emax exponents to workaround
5711         buggy mpc_norm.
5712
5713 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
5714
5715         PR target/89397
5716         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
5717         TARGET_SSE in addition to TARGET_SSE_MATH.
5718
5719         (ix86_excess_precision): Ditto.
5720         (ix86_float_exceptions_rounding_supported_p): Ditto.
5721         (use_rsqrt_p): Ditto.
5722         * config/i386/sse.md (rsqrt<mode>2): Ditto.
5723
5724 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
5725
5726         PR c/89410
5727         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
5728         linenum_arith_t when determining if two adjacent line spans are
5729         close enough to merge.
5730         (diagnostic_show_locus): Use linenum_arith_t when iterating over
5731         lines within each line_span.
5732
5733 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
5734
5735         PR target/86487
5736         * lra-constraints.c(uses_hard_regs_p): Fix handling of
5737         paradoxical SUBREGS.
5738
5739 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
5740
5741         PR target/88100
5742         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
5743         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
5744         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
5745         range checking it.
5746
5747 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
5748
5749         * config/gcn/gcn.c (print_operand): Fix typo.
5750
5751 2019-02-19  Richard Biener  <rguenther@suse.de>
5752
5753         PR middle-end/88074
5754         * toplev.c (do_compile): Initialize mpfr's exponent range
5755         based on available float modes.
5756
5757 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5758
5759         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
5760         as long as the epilogue isn't completed.
5761
5762 2019-02-18  Martin Sebor  <msebor@redhat.com>
5763
5764         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
5765         __has_cpp_attribute, and __has_include.
5766
5767 2019-02-18  Martin Sebor  <msebor@redhat.com>
5768
5769         * doc/invoke.texi (-Wreturn-type): Correct and expand.
5770
5771 2019-02-18  Martin Sebor  <msebor@redhat.com>
5772
5773         PR middle-end/89294
5774         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
5775         expression.
5776         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
5777
5778 2019-02-18  Richard Biener  <rguenther@suse.de>
5779
5780         PR tree-optimization/89296
5781         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
5782         of no-warning flag to cases that might emit the bogus warning.
5783
5784 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
5785
5786         PR bootstrap/88714
5787         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
5788         "q" constraint.
5789         * config/arm/vfp.md (*movdi_vfp): Likewise.
5790         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
5791         "q" constraint for operands[0].
5792
5793         PR target/89369
5794         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
5795         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
5796         pattern in a temporary buffer.
5797         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
5798         than 64-operands[2].
5799
5800         PR target/89361
5801         * config/s390/s390.c (s390_indirect_branch_attrvalue,
5802         s390_indirect_branch_settings): Define unconditionally.
5803         (s390_set_current_function): Likewise, but guard the whole body except
5804         the s390_indirect_branch_settings call with
5805         #if S390_USE_TARGET_ATTRIBUTE.
5806         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
5807
5808         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
5809         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
5810         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
5811         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
5812         HOST_WIDE_INT_1U instead of 1ULL.
5813         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
5814         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
5815         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
5816         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
5817         instead of 1UL.
5818         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
5819         instead of 1ul.
5820
5821 2019-02-18  Martin Jambor  <mjambor@suse.cz>
5822
5823         PR tree-optimization/89209
5824         * tree-sra.c (create_access_replacement): New optional parameter
5825         reg_tree.  Use it as a type if non-NULL and access type is not of
5826         a register type.
5827         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
5828         to create_access_replacement.
5829         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
5830         Check lacc is non-NULL before attempting to re-create it on the RHS.
5831
5832 2019-02-18  Martin Liska  <mliska@suse.cz>
5833
5834         PR ipa/89306
5835         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
5836         by default.
5837         (symbol_table::free_edge): Recycle m_summary_id.
5838         * cgraph.h (get_summary_id): New.
5839         (symbol_table::release_symbol): Set m_summary_id to -1
5840         by default.
5841         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
5842         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
5843         function_summary to fast_function_summary.
5844         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
5845         * ipa-pure-const.c (class funct_state_summary_t):
5846         Switch from function_summary to fast_function_summary.
5847         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
5848         (class ipa_ref_opt_summary_t): Switch from function_summary
5849         to fast_function_summary.
5850         * symbol-summary.h (class function_summary_base): New class
5851         that is created from base of former function_summary.
5852         (function_summary_base::unregister_hooks): New.
5853         (class function_summary): Inherit from function_summary_base.
5854         (class call_summary_base): New class
5855         that is created from base of former call_summary.
5856         (class call_summary): Inherit from call_summary_base.
5857         (struct is_same): New.
5858         (class fast_function_summary): New summary class.
5859         (class fast_call_summary): New summary class.
5860         * vec.h (vec_safe_grow_cleared): New function.
5861
5862 2019-02-18  Martin Liska  <mliska@suse.cz>
5863
5864         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
5865         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
5866         * doc/tm.texi: Document new target hook.
5867         * doc/tm.texi.in: Likewise.
5868         * target.def: Add new target macro.
5869         * gcc.c (find_fortran_preinclude_file): Do not search multilib
5870         suffixes.
5871
5872 2019-02-17  Alan Modra  <amodra@gmail.com>
5873
5874         PR target/89271
5875         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
5876         output reg on add insn.
5877         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
5878
5879 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5880
5881         PR target/89372
5882         * config/i386/sse.md (ssedoublemode): Remove V4HI.
5883         (PMULHRSW): Likewise.
5884         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
5885         TARGET_AVX2.
5886         (ssse3_pmulhrswv4hi3): New expander.
5887
5888 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5889
5890         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
5891         MMX.  Add isa attribute.
5892
5893 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
5894
5895         PR rtl-optimization/66152
5896         * builtins.h (c_readstr): Declare.
5897         * builtins.c (c_readstr): Remove forward declaration.  Add
5898         null_terminated_p argument, if false, read all bytes from the
5899         string instead of stopping after '\0'.
5900         * expr.c (string_cst_read_str): New function.
5901         (store_expr): Use string_cst_read_str instead of
5902         builtin_strncpy_read_str.  Try to store by pieces the whole
5903         exp_len first, and only if that fails, split it up into
5904         store by pieces followed by clear_storage.  Formatting fix.
5905
5906         * config/i386/i386.md (*movqi_internal): Remove static from
5907         buf variable.  Use output_asm_insn (buf, operands); return "";
5908         instead of return buf;.
5909         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
5910         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
5911         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
5912
5913 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5914
5915         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
5916         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
5917         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
5918         (CC1_SPEC): Likewise.
5919         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
5920
5921 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5922
5923         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
5924         the base address on 64-bit strict-alignment platforms.
5925
5926 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5927
5928         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
5929
5930 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5931
5932         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
5933
5934 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
5935
5936         PR rtl-optimization/88308
5937         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
5938         on copied instruction.
5939
5940 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5941
5942         * final.c (insn_current_reference_address): Replace test on JUMP_P
5943         with test on jump_to_label_p.
5944         * config/visium/visium-passes.def: New file.
5945         * config/visium/t-visium (PASSES_EXTRA): Define.
5946         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
5947         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
5948         (TRAMPOLINE_ALIGNMENT): Define.
5949         * config/visium/visium.c (visium_option_override): Do not register
5950         the machine-specific reorg pass here.
5951         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
5952         for the GR6.
5953         (output_branch): Adjust threshold for long branch instruction.
5954         * config/visium/visium.md (cpu): Move around.
5955         (length): Adjust for the GR6.
5956
5957 2019-02-15  Richard Biener  <rguenther@suse.de>
5958             Jakub Jelinek  <jakub@redhat.com>
5959
5960         PR tree-optimization/89278
5961         * tree-loop-distribution.c: Include tree-eh.h.
5962         (generate_memset_builtin, generate_memcpy_builtin): Call
5963         rewrite_to_non_trapping_overflow on builtin->size before passing it
5964         to force_gimple_operand_gsi.
5965
5966 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
5967
5968         PR other/89342
5969         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
5970         optimize_debug.
5971         * opth-gen.awk: Likewise.
5972
5973 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5974
5975         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
5976         Enable MMX, SSE and SSE2 by default.
5977         * config/i386/i386.c (ix86_option_override_internal): Do not
5978         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
5979
5980 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
5981
5982         PR rtl-optimization/89354
5983         * combine.c (make_extraction): Punt if extraction_mode is narrower
5984         than len bits.
5985
5986 2019-02-14  Maya Rashish  <coypu@sdf.org>
5987
5988         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
5989         * config/netbsd-d.c: New file.
5990         * config/t-netbsd: Add netbsd-d.o
5991
5992 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
5993
5994         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
5995         affects_type_identity to true for aarch64_vector_pcs.
5996         (aarch64_comp_type_attributes): New function.
5997         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
5998
5999 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6000
6001         PR target/88850
6002         * config/arm/iterators.md (ANY64): Add V4HF.
6003
6004 2019-02-14  Martin Liska  <mliska@suse.cz>
6005
6006         PR rtl-optimization/89242
6007         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6008         process a transformation.
6009
6010 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6011
6012         PR tree-optimization/89314
6013         * fold-const.c (fold_binary_loc): Cast strlen argument to
6014         const char * before dereferencing it.  Formatting fixes.
6015
6016         PR middle-end/89284
6017         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6018
6019 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6020
6021         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6022         and set current index for other optimizations.
6023
6024 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6025
6026         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6027         nonimmediate_operand as operand 2 predicate.
6028         (vec_set<VF2_512_256:mode>_0): Ditto.
6029         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6030         (*vec_concatv2si): Remove alternative 2.
6031         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6032         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6033         (vec_concatv2di): Split alternatives 4,5,6 to ...
6034         (*vec_concatv2di_0) ... new pattern.
6035
6036 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6037
6038         PR target/89190
6039         * config/arm/arm.c (ldm_stm_operation_p) Set
6040         addr_reg_in_reglist correctly for first register.
6041         (load_multiple_sequence): Remove dead base check.
6042         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6043
6044 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6045
6046         PR target/88847
6047         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6048         Expose as @aarch64_pred_mov.
6049         * config/aarch64/aarch64.c (aarch64_classify_address):
6050         Use expand_insn which legitimizes operands.
6051
6052 2019-02-13  Martin Liska  <mliska@suse.cz>
6053
6054         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6055         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6056         and pointer_offset fields.
6057         (initialize_argument_information): Remove usage of dead
6058         fields.
6059         * cgraph.h (struct cgraph_thunk_info): Remove
6060         add_pointer_bounds_args.
6061         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6062         fields.
6063         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6064         fields.
6065         * config/i386/i386.c (ix86_function_arg_advance): Remove
6066         unrelated comment.
6067         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6068         (def_builtin):  Remove usage of dead
6069         fields.
6070         (ix86_add_new_builtins): Likewise.
6071         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6072         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6073         (sem_function::init): Likewise.
6074         (sem_variable::merge): Likewise.
6075         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6076         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6077         * lto-cgraph.c (lto_output_node): Likewise.
6078         (lto_output_varpool_node): Likewise.
6079         (input_node): Likewise.
6080         (input_varpool_node): Likewise.
6081         * lto-streamer-out.c (lto_output): Likewise.
6082         * tree-inline.c (expand_call_inline): Remove usage of
6083         assign_stmts.
6084         * tree-inline.h (struct copy_body_data): Likewise.
6085         * varpool.c (varpool_node::dump): Likewise.
6086
6087 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6088
6089         PR middle-end/89303
6090         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6091         into pt->vars_contains_escaped_heap instead of setting
6092         pt->vars_contains_escaped_heap to it.
6093
6094         PR middle-end/89281
6095         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6096         INTVAL (size), compare it to GET_MODE_MASK instead of
6097         1 << GET_MODE_BITSIZE.
6098
6099         PR target/89290
6100         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6101         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6102         -mcmodel=large.
6103
6104 2019-02-13  Martin Liska  <mliska@suse.cz>
6105
6106         PR lto/88858
6107         * cfgrtl.c (remove_barriers_from_footer): New function.
6108         (try_redirect_by_replacing_jump): Use it.
6109         (cfg_layout_redirect_edge_and_branch): Likewise.
6110
6111 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6112
6113         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6114         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6115         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6116         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6117         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6118         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6119         New BU_CRYPTO_2.
6120         * config/rs6000/rs6000.c (builtin_function_type)
6121         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6122         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6123         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6124         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6125         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6126
6127 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6128
6129         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6130         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6131
6132 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6133
6134         PR target/89229
6135         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6136         268678 and revision 268657.
6137         (*movti_internal): Likewise.
6138
6139 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6140
6141         PR target/89233
6142         * config/s390/s390.c (s390_decompose_address): Update comment.
6143         (s390_check_qrst_address): Reject invalid address forms after
6144         LRA.
6145
6146 2019-02-12  Martin Liska  <mliska@suse.cz>
6147
6148         PR lto/88876
6149         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6150         we need default values of funct_state for a function that
6151         is not optimized.
6152
6153 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6154
6155         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6156         the object to pick the size of stores on strict-alignment platforms.
6157
6158         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6159         (*movdi_insn_sp32): Likewise.
6160         (*movdi_insn_sp64): Likewise.
6161
6162 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6163
6164         PR lto/88677
6165         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6166         types that needs constructiong.
6167         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6168
6169 2019-02-12  Richard Biener  <rguenther@suse.de>
6170
6171         PR tree-optimization/89253
6172         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6173         duplicate the loop.
6174
6175 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6176
6177         PR lto/88147
6178         * input.c (selftest::test_line_offset_overflow): New selftest.
6179         (selftest::input_c_tests): Call it.
6180
6181 2019-02-11  Martin Sebor  <msebor@redhat.com>
6182
6183         PR tree-optimization/88771
6184         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6185         when -Wstringop-overflow is set.
6186         (builtin_memref::builtin_memref): Adjust excessive upper bound
6187         only when lower bound is not excessive.
6188         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6189         -Wstringop-ovefflow.
6190         (maybe_diag_offset_bounds): Rename...
6191         (maybe_diag_access_bounds): ...to this.
6192         (check_bounds_or_overlap): Adjust for name change above.
6193
6194 2019-02-11  Martin Sebor  <msebor@redhat.com>
6195
6196         PR c++/87996
6197         * builtins.c (max_object_size): Move from here...
6198         * builtins.h (max_object_size): ...and here...
6199         * tree.c (max_object_size): ...to here...
6200         * tree.h (max_object_size): ...and here.
6201
6202 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6203
6204         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6205         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6206         for correct semantics.
6207
6208 2019-02-11  Alan Modra  <amodra@gmail.com>
6209
6210         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6211         -mlongcall and -mpltseq.
6212         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6213         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6214         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6215         * config/rs6000/sysv4.opt (mpltseq): New option.
6216         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6217         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6218         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6219         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6220         -mpltseq given for ELFv1.
6221         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6222         Only use UNSPEC_PLTSEQ for inline PLT calls.
6223         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6224         use UNSPEC_PLTSEQ for inline PLT calls.
6225         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6226         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6227         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6228         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6229         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6230         (pltseq_mtctr_<mode>): Likewise.
6231
6232 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6233
6234         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6235         Solaris ld.
6236         * configure: Regenerate.
6237
6238 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6239
6240         PR bootstrap/88714
6241         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6242         instead of r.
6243
6244 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6245
6246         * function.c (assign_parm_setup_block): Use the stored
6247         size, not the passed size, when allocating stack-space,
6248         also for a parameter with alignment larger than
6249         MAX_SUPPORTED_STACK_ALIGNMENT.
6250
6251 2019-02-11  Martin Liska  <mliska@suse.cz>
6252
6253         PR ipa/89009
6254         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6255         * ipa-inline.c (inline_small_functions): Likewise.
6256         * ipa-pure-const.c (propagate_pure_const): Likewise.
6257         (propagate_nothrow): Likewise.
6258         * ipa-reference.c (propagate): Likewise.
6259         * ipa-utils.c (struct searchc_env): Remove unused field.
6260         (searchc): Always search across AVAIL_INTERPOSABLE.
6261         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6262         the only called IPA pure const can properly not propagate
6263         across interposable boundary.
6264         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6265
6266 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6267
6268         * config/nds32/nds32.md (call_internal, call_value_internal,
6269         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6270
6271 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6272
6273         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6274         typo.
6275
6276 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6277
6278         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6279         in comments
6280
6281 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6282
6283         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6284
6285 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6286
6287         PR tree-optimization/89268
6288         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6289         if preds is non-NULL.
6290
6291 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6292
6293         PR lto/89272
6294         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6295         polymorphic types.
6296
6297 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6298
6299         * config/nds32/nds32.md (trap): New pattern.
6300
6301 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6302
6303         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6304         dwarf span.
6305
6306 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6307
6308         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6309         to split POST_INC.
6310
6311 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6312
6313         * ipa-visibility.c (localize_node): Also do not localize
6314         LDPR_PREVAILING_DEF_IRONLY_EXP.
6315
6316 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6317
6318         PR lto/87957
6319         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6320         instead of type_with_linkage.
6321
6322 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6323
6324         PR ipa/88755
6325         * params.def (uninlined-function-insns, uninlined-function-time,
6326         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6327         bound so we don't get overflows.
6328
6329 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6330
6331         * config/rs6000/rs6000-string.c (expand_compare_loop,
6332         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6333         memcmp/strncmp.
6334
6335 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6336
6337         PR middle-end/89246
6338         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6339         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6340         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6341
6342 2019-02-09  Alan Modra  <amodra@gmail.com>
6343
6344         PR target/88343
6345         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6346         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6347         setup.
6348
6349 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6350
6351         PR middle-end/88560
6352         * lra-constraints.c (process_alt_operands): Don't increase reject
6353         for memory when offset memory is required.
6354
6355 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6356
6357         * config/s390/vector.md: Implement vector copysign.
6358
6359 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6360
6361         * expr.c (expand_constructor): Correct indentations.
6362
6363 2019-02-08  Richard Biener  <rguenther@suse.de>
6364
6365         PR tree-optimization/89247
6366         * tree-if-conv.c: Include tree-cfgcleanup.h.
6367         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6368         (tree_if_conversion): Pass through predicate vector.
6369         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6370         inline, see if any if-converted loops we refrece in
6371         LOOP_VECTORIZED calls vanished and fixup.
6372         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6373
6374 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6375
6376         * config/s390/constraints.md (jdd): New constraint.
6377
6378 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6379
6380         PR target/89229
6381         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6382         upper 16 vector registers without TARGET_AVX512VL.
6383         (*movti_internal): Likewise.
6384
6385 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6386
6387         PR rtl-optimization/89234
6388         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6389         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6390         (copy_reg_eh_region_note_backward): Likewise.
6391
6392 2019-02-08  Richard Biener  <rguenther@suse.de>
6393
6394         PR middle-end/89223
6395         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6396         doesn't fit in HWI.
6397         (analyze_subscript_affine_affine): Handle failure from
6398         initialize_matrix_A.
6399
6400 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6401
6402         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6403         cfun everywhere.
6404
6405 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6406
6407         PR tree-optimization/86637
6408         PR tree-optimization/89235
6409         * tree-vect-loop.c (optimize_mask_stores): Add an
6410         auto_purge_vect_location sentinel to ensure that vect_location is
6411         purged on exit.
6412         * tree-vectorizer.c
6413         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6414         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6415         to ensure that vect_location is purged on exit.
6416         (pass_slp_vectorize::execute): Likewise, replacing the manual
6417         reset.
6418         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6419
6420 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6421
6422         * config/aarch64/iterators.md (max_opp): New code_attr.
6423         (USMAX): New code iterator.
6424         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6425         (aarch64_smax): Likewise.
6426         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6427         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6428         MINUS (MAX MIN).
6429
6430 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6431
6432         PR target/89229
6433         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6434         for TARGET_AVX512VL.
6435         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6436
6437 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6438
6439         * config/s390/s390-builtin-types.def: Add new types.
6440         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6441         (s390_vec_xlw4): Make the memory operand into a const pointer.
6442         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6443         float.
6444         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6445         a new vector type with the alignment of the scalar memory operand.
6446
6447 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6448             Jakub Jelinek  <jakub@redhat.com>
6449
6450         PR bootstrap/88714
6451         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6452         arm_count_ldrdstrd_insns): New declarations.
6453         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6454         MINUS.
6455         (valid_operands_ldrd_strd): New function.
6456         (arm_count_ldrdstrd_insns): New function.
6457         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6458         sets instead of single DImode set and define new insns to match this.
6459
6460 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6461
6462         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6463         Make it a C initializer.
6464
6465 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6466
6467         PR/target 88850
6468         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6469
6470 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6471
6472         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6473         Use neon_dot<q> for type.
6474         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6475
6476 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6477
6478         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6479         Use neon_dot<q> for type.
6480         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6481         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6482
6483 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6484
6485         PR rtl-optimization/89225
6486         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6487         sizes check.
6488
6489 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6490
6491         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6492         after restoring registers saved to allocate the frame on Windows.
6493
6494 2019-02-06  Richard Biener  <rguenther@suse.de>
6495
6496         PR tree-optimization/89182
6497         * graphite.h (cached_scalar_evolution_in_region): Declare.
6498         * graphite.c (struct seir_cache_key): New.
6499         (struct sese_scev_hash): Likewise.
6500         (seir_cache): New global.
6501         (cached_scalar_evolution_in_region): New function.
6502         (graphite_transform_loops): Allocate and release seir_cache.
6503         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6504         cached_scalar_evolution_in_region.
6505         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6506         Simplify.
6507         (scop_detection::graphite_can_represent_expr: Use
6508         cached_scalar_evolution_in_region.
6509         (scop_detection::stmt_simple_for_scop_p): Likewise.
6510         (find_params_in_bb): Likewise.
6511         (gather_bbs::before_dom_children): Likewise.
6512         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6513         (add_loop_constraints): Likewise.
6514
6515 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6516
6517         PR middle-end/89210
6518         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6519         operand to new_unary_operation only if both element types are integral
6520         and it isn't a widening conversion.  Return NULL_TREE if
6521         new_unary_operation failed.
6522
6523 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6524
6525         PR target/88856
6526         * config/s390/s390.md: Remove load and test FP splitter.
6527
6528 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6529
6530         PR target/89112
6531         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6532         expand_compare_loop, expand_block_compare_gpr,
6533         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6534         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6535         #include "profile-count.h" and "predict.h" for types and functions
6536         needed to work with REG_BR_PROB notes.
6537
6538 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6539
6540         PR target/89112
6541         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6542         for the long branch case.
6543
6544 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6545
6546         PR target/89188
6547         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6548         can throw, non-call exceptions are enabled and we can't delete
6549         dead exceptions or alter cfg.  Set must_clean if
6550         delete_insn_and_edges returns true, don't set it blindly for calls.
6551         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6552
6553         PR rtl-optimization/89195
6554         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6555         of the original MEM.
6556
6557 2019-02-05  Martin Liska  <mliska@suse.cz>
6558
6559         PR gcov-profile/89000
6560         * gcov.c (function_summary): Remove argument.
6561         (file_summary): New function.
6562         (print_usage): Replace tabs with spaces.
6563         (generate_results): Use new function file_summary.
6564
6565 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6566
6567         PR target/89186
6568         * optabs.c (prepare_cmp_insn): Pass x and y to
6569         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6570
6571 2019-02-05  Richard Biener  <rguenther@suse.de>
6572
6573         PR middle-end/89150
6574         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6575         (struct bitmap_element): Drop chain_prev so we properly recurse on
6576         the prev member, supporting tree views.
6577         (struct bitmap_head): GTY skip the obstack member.
6578
6579 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6580
6581         PR c/88698
6582         * doc/extend.texi (Vector Extensions): Add an example of using vector
6583         types together with x86 intrinsics.
6584
6585 2019-02-04  Alan Modra  <amodra@gmail.com>
6586
6587         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6588         str[] size to 160, and comment.
6589
6590 2019-02-04  Alan Modra  <amodra@gmail.com>
6591
6592         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6593         (rs6000_pltseq_template): Guard output of TLS markers with
6594         TARGET_TLS_MARKERS.
6595         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6596         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
6597         to use inline PLT sequences.
6598         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6599         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6600         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
6601
6602 2019-02-04  Martin Liska  <mliska@suse.cz>
6603
6604         PR ipa/88985
6605         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
6606         out when ipa_fn_summaries does not contain entry for callee.
6607
6608 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
6609
6610         * config/sparc/sparc.h: Remove superfluous blank lines.
6611         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
6612         (got_register_rtx): ...this.
6613         (sparc_got): Adjust to above renaming.
6614         (sparc_tls_got): Likewise.
6615         (sparc_delegitimize_address): Likewise.
6616         (sparc_output_mi_thunk): Likewise.
6617         (sparc_init_pic_reg): Likewise.
6618         (save_local_or_in_reg_p): Fix test on the GOT register.
6619         (USE_HIDDEN_LINKONCE): Move around.
6620         (get_pc_thunk_name): Likewise.
6621         (gen_load_pcrel_sym): Likewise.
6622         (load_got_register): Likewise.
6623
6624 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
6625
6626         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
6627         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
6628
6629 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6630
6631         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
6632         into consideration.
6633
6634 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6635
6636         * config.gcc (with_nds32_lib, glibc):
6637         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
6638         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
6639         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
6640
6641 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
6642
6643         PR target/89071
6644         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
6645         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
6646         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
6647         (*rcpsf2_sse): Ditto.
6648         (*rsqrtsf2_sse): Ditto.
6649         (sse4_1_round<mode<2): Ditto.
6650
6651 2019-02-03  Richard Biener  <rguenther@suse.de>
6652
6653         PR debug/87295
6654         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
6655         orig.
6656
6657 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
6658
6659         PR middle-end/87887
6660         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6661         Punt with warning on aggregate return or argument types.  Ignore
6662         type/mode checking for uniform arguments.
6663
6664 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6665
6666         * combine.c (try_combine): Do not print "Can't combine" messages unless
6667         printing failed combination attempts.
6668
6669 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6670
6671         PR hsa/87863
6672         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
6673         segment and global segment variables before making them static.
6674
6675 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6676
6677         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
6678         missed optimization dump with dump_enabled_p.
6679
6680 2019-02-01  Richard Biener  <rguenther@suse.de>
6681
6682         PR middle-end/88597
6683         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
6684         the instantiate cache.
6685         (instantiate_scev_binary): Elide second operand procesing
6686         if equal to the first.
6687         * tree-chrec.c (chrec_contains_symbols): Add visited set.
6688         (chrec_contains_undetermined): Likewise.
6689         (tree_contains_chrecs): Likewise.
6690
6691 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
6692
6693         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
6694
6695 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
6696
6697         PR tree-optimization/89143
6698         * wide-int-range.h (wide_int_range_absu): Declare.
6699         * wide-int-range.cc (wide_int_range_absu): New function.
6700         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
6701
6702         PR tree-optimization/88107
6703         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
6704         instead of assertion that eh_region_outermost is non-NULL, if it
6705         is NULL, set *ALL to true and return NULL.
6706         (move_sese_region_to_fn): Adjust caller, if all is set, call
6707         duplicate_eh_regions with NULL region.
6708
6709 2019-02-01  Richard Biener  <rguenth@suse.de>
6710
6711         PR rtl-optimization/88593
6712         * mode-switching.c (optimize_mode_switching): Free dominators before
6713         calling cleanup_cfg.
6714
6715 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6716
6717         PR tree-optimization/88932
6718         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
6719
6720 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6721
6722         PR middle-end/89137
6723         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
6724         bogus clang warning.
6725
6726 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
6727
6728         PR target/89071
6729         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
6730         alternative to avoid partial SSE register stall for TARGET_AVX.
6731         (truncdfsf2): Ditto.
6732         (sse4_1_round<mode>2): Ditto.
6733
6734 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6735
6736         PR tree-optimization/89008
6737         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
6738         process anything of the form X * 0.
6739
6740 2019-01-31  Richard Biener  <rguenther@suse.de>
6741
6742         PR tree-optimization/89135
6743         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
6744         with abnormal preds.
6745
6746 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6747
6748         PR sanitizer/89124
6749         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
6750         always_inline callees into no_sanitize_address callers.
6751
6752 2019-01-31  Richard Biener  <rguenther@suse.de>
6753
6754         PR rtl-optimization/89115
6755         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
6756
6757 2019-01-30  Martin Sebor  <msebor@redhat.com>
6758
6759         PR other/89106
6760         * doc/extend.texi (cast to a union): Correct and expand.
6761
6762 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
6763
6764         PR rtl-optimization/87246
6765         * lra-constraints.c (simplify_operand_subreg): Reload memory
6766         in subreg if the address became invalid.
6767
6768 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
6769
6770         PR target/87064
6771         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
6772         Disable for little-endian.
6773
6774 2019-01-30  Richard Biener  <rguenther@suse.de>
6775
6776         PR rtl-optimization/89115
6777         * opts.c (default_options_optimization): Reduce
6778         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
6779         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
6780         to the default.
6781
6782 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6783
6784         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
6785         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
6786         type of vector element when vec_extract is implemented by direct
6787         move.
6788
6789 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
6790
6791         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
6792
6793 2019-01-30  Richard Biener  <rguenther@suse.de>
6794
6795         PR tree-optimization/89111
6796         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
6797         canonicalization to appropriately sized access types.
6798
6799 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
6800
6801         PR c++/89105
6802         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
6803         for arguments to functions that are TU-local and shouldn't be
6804         referenced by assembly.
6805
6806 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
6807
6808         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
6809         after '='.
6810
6811 2019-01-29  Martin Sebor  <msebor@redhat.com>
6812
6813         PR c/88956
6814         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
6815
6816 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
6817
6818         PR c++/66676
6819         PR ipa/89104
6820         * omp-simd-clone.c (simd_clone_clauses_extract)
6821         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
6822         OMP_CLAUSE_ALIGNED_ALIGNMENT.
6823
6824 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
6825
6826         * config.gcc: Force .init_array for ARC.
6827
6828 2019-01-29  Richard Biener  <rguenther@suse.de>
6829
6830         PR debug/87295
6831         * dwarf2out.c (collect_skeleton_dies): New helper.
6832         (copy_decls_for_unworthy_types): Call it.
6833         (build_abbrev_table): Assert we do not try to replace
6834         DW_AT_signature refs with local refs.
6835
6836 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6837
6838         PR middle-end/89002
6839         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
6840         for lastprivate/linear IV, push gimplify context around gimplify_assign
6841         and, if it needed any temporaries, pop it into a gimple bind around the
6842         sequence.
6843
6844 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6845
6846         * common.opt (-Wattribute-alias): Remove "no-" from name.
6847         Make -Wattribute-alias command line option and
6848         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
6849
6850 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6851
6852         PR target/89073
6853         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
6854         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
6855         x86 ISA options.
6856         (bmi2): Add missing @opindex.
6857         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
6858         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
6859         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
6860         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
6861         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
6862         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
6863         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
6864         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
6865         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
6866         xsavec, xsaveopt and xsaves options.
6867
6868 2019-01-28  Richard Biener  <rguenther@suse.de>
6869
6870         PR debug/89076
6871         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
6872         support removal.
6873
6874 2019-01-28  Richard Biener  <rguenther@suse.de>
6875
6876         PR tree-optimization/88739
6877         * tree-cfg.c (verify_types_in_gimple_reference): Verify
6878         BIT_FIELD_REFs only are applied to mode-precision operands
6879         when they are integral.
6880         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
6881         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
6882         BIT_FIELD_REFs of non-mode-precision integral operands.
6883
6884 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
6885
6886         PR target/87214
6887         * config/i386/sse.md
6888         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
6889         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
6890         first constants in pairs are multiples of 2.  Formatting fixes.
6891         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
6892         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
6893         first constants in each quadruple are multiples of 4.  Formatting fixes.
6894
6895 2019-01-26  Martin Jambor  <mjambor@suse.cz>
6896
6897         PR ipa/88933
6898         * tree-inline.c: Include tree-cfgcleanup.h.
6899         (delete_unreachable_blocks_update_callgraph): Move...
6900         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
6901         ...here, make externally visible, make second argument bool, adjust
6902         all callers.
6903         * tree-cfgcleanup.c: Include cgraph.h.
6904         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
6905         Declare.
6906         * ipa-prop.c: Include tree-cfgcleanup.h.
6907         (ipcp_transform_function): Call
6908         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
6909
6910 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
6911
6912         PR rtl-optimization/88846
6913         * ira.c (process_set_for_memref_referenced_p): New.
6914         (memref_referenced_p): Add new param.  Use
6915         process_set_for_memref_referenced_p.  Add new switch cases.
6916         (memref_used_between_p): Pass new arg to memref_referenced_p.
6917
6918 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
6919
6920         PR target/88469
6921         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
6922         argument ABI_BREAK.  Set to true if the calculated alignment has
6923         changed in gcc-9.  Check bit-fields for their base type alignment.
6924         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
6925         (aarch64_function_arg_boundary): Likewise.
6926         (aarch64_gimplify_va_arg_expr): Likewise.
6927
6928 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6929
6930         PR middle-end/89037
6931         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
6932         instead of accessing TREE_INT_CST_ELT directly.
6933
6934 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
6935
6936         * doc/sourcebuild.texi (Environment attributes): Add fenv and
6937         fenv_exceptions description.
6938
6939 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
6940
6941         PR rtl-optimization/87763
6942         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
6943         Allow SUBREG when matching CC_NZmode compare.
6944
6945 2019-01-25  Richard Biener  <rguenther@suse.de>
6946
6947         PR tree-optimization/89049
6948         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
6949         Look at the pattern stmt to determine if the stmt is vectorized.
6950
6951 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6952
6953         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
6954         (pred_mov<mode>): Handle all-register forms using both a new
6955         alternative and a split.
6956
6957 2019-01-25  Richard Biener  <rguenther@suse.de>
6958
6959         PR tree-optimization/86865
6960         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6961         Reject non-do-while loops.
6962
6963 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
6964
6965         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
6966         * config/rs6000/constraints.md (Q constraint): Use REG_P.
6967         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
6968         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
6969         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
6970         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6971         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
6972         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
6973         vlogical_operand, gpc_reg_operand, int_reg_operand,
6974         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
6975         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
6976         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
6977         (save_world_operation, restore_world_operation, lmw_operation,
6978         stmw_operation): Use MEM_P and REG_P.
6979         (tie_operand): Use MEM_P.
6980         (vrsave_operation, crsave_operation): Use REG_P.
6981         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
6982         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
6983         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
6984         (call_operand): Use HARD_REGISTER_P.
6985         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
6986         Use CONST_INT_P.
6987         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
6988         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
6989         quad_aligned_load_p, replace_swapped_aligned_store,
6990         recombine_lvx_pattern, replace_swapped_aligned_load,
6991         recombine_stvx_pattern): Use MEM_P.
6992         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
6993         Use MEM_P and SYMBOL_REF_P.
6994         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
6995         (insn_is_swappable_p): Use REG_P and MEM_P.
6996         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
6997         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
6998         Use CONST_INT_P.
6999         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7000         Use CONST_DOUBLE_P.
7001         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7002         CONST_WIDE_INT_P.
7003         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7004         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7005         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7006         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7007         reg_or_subregno:
7008         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7009         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7010         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7011         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7012         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7013         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7014         rs6000_split_logical_di): Use CONST_INT_P.
7015         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7016         REG_P and SYMBOL_REF_P.
7017         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7018         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7019         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7020         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7021         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7022         (small_data_operand, print_operand_address): Use CONST_INT_P and
7023         SYMBOL_REF_P.
7024         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7025         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7026         Use HARD_REGISTER_NUM_P.
7027         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7028         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7029         SUBREG_P and SYMBOL_REF_P.
7030         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7031         and HARD_REGISTER_NUM_P.
7032         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7033         reg_or_subregno.
7034         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7035         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7036         MEM_P and REG_P.
7037         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7038         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7039         find_addr_reg): Use REG_P.
7040         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7041         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7042         (offsettable_ok_by_alignment, constant_pool_expr_p,
7043         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7044         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7045         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7046         rs6000_assemble_integer, create_TOC_reference,
7047         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7048         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7049         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7050         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7051         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7052         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7053         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7054         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7055         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7056         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7057         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7058         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7059         and cbranch<mode>4): Use CONST_INT_P.
7060         (multiple define_splits): Use REG_P and SUBREG_P.
7061         (define_expands call, call_value): Use MEM_P.
7062         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7063         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7064         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7065         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7066         and HARD_REGISTER_NUM_P.
7067         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7068
7069 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7070
7071         PR rtl-optimization/88948
7072         * rtl.h (prepare_copy_insn): New prototype.
7073         * gcse.c (prepare_copy_insn): New function, split out from
7074         process_insert_insn.
7075         (process_insert_insn): Use prepare_copy_insn.
7076         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7077         instead of gen_move_insn.
7078
7079 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7080
7081         PR debug/89006
7082         * config/i386/i386.c (ix86_pic_register_p): Return true for
7083         UNSPEC_SET_GOT too.
7084
7085         PR tree-optimization/88964
7086         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7087         punt if HONOR_SNANS (chrec).
7088
7089         PR middle-end/89015
7090         * tree-nested.c (convert_nonlocal_reference_stmt,
7091         convert_local_reference_stmt, convert_tramp_reference_stmt,
7092         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7093         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7094         or GIMPLE_OMP_TASK.
7095
7096         PR tree-optimization/89027
7097         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7098         for "omp simd array" variables.
7099
7100 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7101
7102         PR target/88469
7103         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7104         force the alignment of m_val.
7105
7106 2019-01-24  Richard Biener  <rguenther@suse.de>
7107
7108         PR lto/87187
7109         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7110         When in "legacy" debug mode make sure to reset self-origins.
7111
7112 2019-01-24  Martin Liska  <mliska@suse.cz>
7113
7114         PR gcov-profile/88994
7115         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7116         result will be always smaller or equal to the original.
7117         * gcov.c (mangle_name): Fix else branch where we should
7118         also copy to PTR and shift the pointer.
7119
7120 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7121
7122         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7123         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7124
7125 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7126             Steve Ellcey <sellcey@marvell.com>
7127
7128         PR target/85711
7129         * recog.c (address_operand): Return false on wrong mode for address.
7130         (constrain_operands): Check for mode with 'p' constraint.
7131
7132 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7133
7134         PR target/88998
7135         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7136         Disparage MMX alternative.
7137         (sse2_cvtpd2pi): Ditto.
7138         (sse2_cvttpd2pi): Ditto.
7139
7140 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7141
7142         PR driver/89014
7143         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7144         use-after-free of the result of
7145         aarch64_get_extension_string_for_isa_flags.
7146
7147 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7148
7149         PR c/44715
7150         * doc/extend.texi: Document break and continue behavior in
7151         statement expressions.
7152
7153 2019-01-23  Richard Biener  <rguenther@suse.de>
7154
7155         PR tree-optimization/89008
7156         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7157         not leave another stray operand.
7158
7159 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7160
7161         * BASE-VER: Bump to 9.0.1.
7162
7163 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7164
7165         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7166         thunk that returns by reference, use the type of the return object
7167         of the thunk instead of that of the alias to build the dereference.
7168
7169 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7170
7171         * config/arc/atomic.md: Add operand to DMB instruction.
7172
7173 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7174
7175         PR tree-optimization/88964
7176         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7177         build_zero_cst instead of build_int_cst.  Return false for loop
7178         invariants which honor signed zeros.
7179
7180 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7181
7182         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7183
7184 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7185
7186         PR target/88965
7187         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7188         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7189         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7190
7191         PR middle-end/88968
7192         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7193         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7194
7195         PR target/87064
7196         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7197         Disable for little endian.
7198
7199 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7200
7201         PR target/88469
7202         * config/arm/arm.c (arm_needs_double_word_align): Check
7203         DECL_BIT_FIELD_TYPE.
7204
7205 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7206             H.J. Lu  <hongjiu.lu@intel.com>
7207
7208         PR target/88909
7209         * config/i386/i386-builtin.def: Add mask2 to all builtin
7210         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7211         SPECIAL_ARGS.
7212         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7213         (BDESC_FIRST): Likewise.
7214         (define_builtin): Add an argument for mask2.  Updated to handle
7215         both ix86_isa_flags and ix86_isa_flags2.
7216         (define_builtin_const): Likewise.
7217         (define_builtin_pure): Likewise.
7218         (define_builtin2): Deleted.
7219         (define_builtin_const2): Likewise.
7220         (builtin_description): Add a member, mask2.
7221         (bdesc_*): Add mask2 to builtin initializations.
7222         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7223         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7224         support.
7225         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7226
7227 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7228
7229         PR target/88954
7230         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7231         noplt attribute.
7232
7233 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7234
7235         PR target/88469
7236         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7237         alignment is dominated by a bitfield with 64-bit aligned base type.
7238         (arm_function_arg): Emit a warning if the alignment has changed since
7239         earlier GCC releases.
7240         (arm_function_arg_boundary): Likewise.
7241         (arm_setup_incoming_varargs): Likewise.
7242
7243 2019-01-22  Richard Biener  <rguenther@suse.de>
7244
7245         PR tree-optimization/88862
7246         * graphite-scop-detection.c
7247         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7248
7249 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7250
7251         * doc/extend.tex (AMD GCN Function Attributes): New section.
7252         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7253         * doc/invoke.texi (AMD GCN Options): New section.
7254         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7255
7256 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7257
7258         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7259         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7260
7261 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7262
7263         PR tree-optimization/88044
7264         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7265         is false in the first iteration, but !every_iteration, return false
7266         instead of true with niter->niter zero.
7267
7268         PR rtl-optimization/88904
7269         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7270         any nonequal registers before processing BB_END (b).
7271
7272         PR target/88905
7273         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7274         GET_MODE (op0).
7275         (expand_binop_directly, expand_doubleword_clz,
7276         expand_doubleword_popcount, expand_ctz, expand_ffs,
7277         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7278
7279         PR rtl-optimization/49429
7280         PR target/49454
7281         PR rtl-optimization/86334
7282         PR target/88906
7283         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7284         addressable from here...
7285         (emit_block_op_via_libcall): ... to here.
7286
7287 2019-01-22  Richard Biener  <rguenther@suse.de>
7288
7289         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7290         auto_vec for cost vector to fix memleak.
7291         (vectorize_fold_left_reduction): Properly gather SLP defs.
7292         (vectorizable_comparison): Do not swap operands to properly
7293         gather SLP defs.
7294
7295 2019-01-22  Alan Modra  <amodra@gmail.com>
7296
7297         PR target/88614
7298         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7299         stays a reg.  Allow a const_int.
7300         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7301         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7302         (IS_NOMARK_TLSGETADDR): Define.
7303         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7304         (rs6000_output_tlsargs): New function.
7305         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7306         __tls_get_addr call takes an arg.
7307         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7308         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7309         delete split..
7310         (call_value_nonlocal_sysv): ..or here, delete split.
7311         (tls_gdld_nomark): Delete.
7312         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7313         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7314         (call_value_nonlocal_sysv): Likewise.
7315         (call_value_nonlocal_sysv_secure): Likewise.
7316         (call_value_nonlocal_aix): Likewise.
7317         (call_value_indirect_aix): Likewise.
7318         (call_value_indirect_elfv2): Likewise.
7319         (call_value_local32, call_value_local64): Disable for no-mark tls.
7320         (call_value_local_aix): Likewise.
7321
7322 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7323
7324         PR target/88938
7325         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7326         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7327
7328 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7329
7330         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7331         string contents as hash_map keys.
7332
7333 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7334
7335         PR c/88928
7336         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7337         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7338         instead of TYPE_ALIGN.
7339         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7340         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7341         pointer from TYPE_STUB_DECL.
7342
7343 2019-01-21  Richard Biener  <rguenther@suse.de>
7344
7345         PR tree-optimization/88934
7346         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7347         at the possibly non-constant operand.
7348         (vect_get_constant_vectors): Adjust.
7349
7350 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7351
7352         PR target/71659
7353         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7354         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7355         instead of _X86INTRIN_H_INCLUDED.
7356         * onfig/i386/clwbintrin.h: Likewise.
7357         * config/i386/pkuintrin.h: Likewise.
7358         * config/i386/prfchwintrin.h: Likewise.
7359         * config/i386/rdseedintrin.h: Likewise.
7360         * config/i386/wbnoinvdintrin.h: Likewise.
7361         * config/i386/xsavecintrin.h: Likewise.
7362         * config/i386/xsavesintrin.h: Likewise.
7363         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7364         * config/i386/xsaveintrin.h: Likewise.
7365         * config/i386/xsaveoptintrin.h: Likewise.
7366         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7367         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7368         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7369         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7370         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7371         * config/i386/immintrin.h: Here.
7372
7373 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7374
7375         PR ipa/87615
7376         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7377         with aa_walk_budget.
7378         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7379         aa_walk_budget_p parameter.
7380         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7381         walk.  Updated all callers.
7382         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7383         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7384         unmodified_parm.
7385         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7386         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7387         and to unmodified_parm.
7388         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7389         info, updated call to will_be_nonconstant_expr_predicate.
7390         (param_change_prob): New parameter fbi, limit AA walking.
7391         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7392         calls to various above functions.
7393         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7394         parameter.  Use it to limit AA walking.
7395         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7396         fbi, limit AA walk.
7397         (detect_type_change): New parameter fbi, pass it on to
7398         detect_type_change_from_memory_writes.
7399         (detect_type_change_ssa): Likewise.
7400         (aa_overwalked): Removed.
7401         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7402         accordingly, adjust to the neew AA limiting scheme.
7403         (parm_ref_data_preserved_p): Likewise.
7404         (ipa_compute_jump_functions_for_edge): Adjust call to
7405         get_dynamic_type.
7406         (ipa_analyze_call_uses): Likewise.
7407         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7408         (ipa_analyze_node): Initialize aa_walk_budget.
7409         (ipcp_transform_function): Likewise.
7410         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7411         to get_dynamic_type.
7412
7413 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7414
7415         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7416         outside of #if CHECKING_P code.
7417
7418 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7419
7420         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7421         New function, split out from...
7422         (loop_versioning::analyze_stride): ...here.
7423         (loop_versioning::find_per_loop_multiplication): Use gassign.
7424         (loop_versioning::analyze_term_using_scevs): Return a success code.
7425         (loop_versioning::analyze_arbitrary_term): New function.
7426         (loop_versioning::analyze_address_fragment): Use
7427         analyze_arbitrary_term if all else fails.
7428
7429 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7430
7431         PR target/88892
7432         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7433         operands.
7434
7435 2019-01-18  Richard Biener  <rguenther@suse.de>
7436
7437         PR tree-optimization/88903
7438         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7439         scalar stmts a SLP shift amount is composed of when detecting
7440         shifts by scalars.
7441
7442 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7443
7444         PR target/88799
7445         * config/arm/arm-cpus.in (mp): New feature.
7446         (sec): New feature.
7447         (fgroup ARMv7ve): Add mp and sec features.
7448         (arch armv7-a): Add options to allow mp and sec extensions.
7449         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7450         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7451         extenstions to the base architecture.
7452         (cpu cortex-a8): Add sec extension to the base architecture.
7453         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7454         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7455         variants down to the base v7-a varaint.
7456         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7457         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7458         of permitted extensions for -march=armv7-a and for
7459         -mcpu=generic-armv7-a.
7460
7461 2019-01-18  Martin Liska  <mliska@suse.cz>
7462
7463         * params.def: Fix comment.
7464         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7465         name.
7466         (gimple_gen_ic_func_profiler): Likewise.
7467
7468 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7469
7470         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7471         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7472         and put in error checks for stack protector guard options.
7473         (aarch64_stack_protect_guard): New.
7474         (TARGET_STACK_PROTECT_GUARD): Define.
7475         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7476         (reg_stack_protect_address<mode>): New.
7477         (stack_protect_set): Adjust for SSP_GLOBAL.
7478         (stack_protect_test): Likewise.
7479         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7480         (-mstack-protector-guard): Likewise.
7481         (-mstack-protector-guard-offset): Likewise.
7482
7483 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7484
7485         PR tree-optimization/86214
7486         * tree-inline.h (struct copy_body_data): Add
7487         add_clobbers_to_eh_landing_pads member.
7488         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7489         (copy_edges_for_bb): Call it if EH edge destination is <
7490         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7491         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7492         if flag_stack_reuse != SR_NONE and clear it afterwards.
7493
7494 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7495
7496         PR target/85596
7497         * doc/install.texi (with-multilib-list): Document for aarch64.
7498
7499 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7500
7501         PR target/88734
7502         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7503         (("..."))) with ("...").
7504
7505 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7506
7507         * doc/extend.texi (Built-in Functions for Memory Model Aware
7508         Atomic Operations): Document atomic fetch and nand.
7509
7510 2019-01-18  Martin Liska  <mliska@suse.cz>
7511             Richard Biener  <rguenther@suse.de>
7512
7513         PR middle-end/88587
7514         * cgraph.h (create_version_clone_with_body): Add new argument
7515         with attributes.
7516         * cgraphclones.c (cgraph_node::create_version_clone): Add
7517         DECL_ATTRIBUTES to a newly created decl.  And call
7518         valid_attribute_p so that proper cl_target_optimization_node
7519         is set for the newly created declaration.
7520         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7521         for declaration.
7522         (expand_target_clones): Do not call valid_attribute_p, it must
7523         be already done.
7524         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7525         vector types.
7526
7527 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7528
7529         PR target/88734
7530         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7531         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7532         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7533
7534 2019-01-17  Martin Sebor  <msebor@redhat.com>
7535
7536         PR middle-end/88273
7537         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7538         Handle anti-ranges the same as no range at all.
7539
7540 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7541
7542         * config/aarch64/aarch64.c (cgraph.h): New include.
7543         (intl.h): New include.
7544         (supported_simd_type): New function.
7545         (currently_supported_simd_type): Ditto.
7546         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7547         (aarch64_simd_clone_adjust): Ditto.
7548         (aarch64_simd_clone_usable): Ditto.
7549         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7550         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7551         (TARGET_SIMD_CLONE_USABLE): Ditto.
7552         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7553         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7554         call.
7555
7556 2019-01-17  Martin Sebor  <msebor@redhat.com>
7557
7558         PR tree-optimization/88800
7559         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7560         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7561         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7562         redundant argument.  Add new argument and issue diagnostics under
7563         its control.  Detect out-of-bounds access even with warnings
7564         disabled.
7565         (check_bounds_or_overlap): Change return type.  Add argument.
7566         (wrestrict_dom_walker::check_call): Adjust.
7567         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7568         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7569         check_bounds_or_overlap's return value.
7570         (handle_builtin_stxncpy): Same.
7571         (handle_builtin_strcat): Same.
7572
7573 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7574             Kwok Cheung Yeung  <kcy@codesourcery.com>
7575             Julian Brown  <julian@codesourcery.com>
7576             Tom de Vries  <tom@codesourcery.com>
7577
7578         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7579
7580 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7581
7582         * doc/sourcebuild.texi: Document dg-require-effective-target
7583         llvm_binutils and offload_gcn.
7584
7585 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7586             Kwok Cheung Yeung  <kcy@codesourcery.com>
7587             Julian Brown  <julian@codesourcery.com>
7588             Tom de Vries  <tom@codesourcery.com>
7589
7590         * doc/sourcebuild.texi: Document dg-required-effective-target
7591         exceptions.
7592
7593 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7594             Kwok Cheung Yeung  <kcy@codesourcery.com>
7595             Julian Brown  <julian@codesourcery.com>
7596             Tom de Vries  <tom@codesourcery.com>
7597             Jan Hubicka  <hubicka@ucw.cz>
7598             Martin Jambor  <mjambor@suse.cz>
7599
7600         * config.gcc: Add amdgcn*-*-amdhsa configuration.
7601         * configure.ac: Check for dlopen.
7602         * configure: Regenerate.
7603
7604 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7605             Kwok Cheung Yeung  <kcy@codesourcery.com>
7606             Julian Brown  <julian@codesourcery.com>
7607             Tom de Vries  <tom@codesourcery.com>
7608             Jan Hubicka  <hubicka@ucw.cz>
7609             Martin Jambor  <mjambor@suse.cz>
7610
7611         * common/config/gcn/gcn-common.c: New file.
7612         * config/gcn/driver-gcn.c: New file.
7613         * config/gcn/gcn-builtins.def: New file.
7614         * config/gcn/gcn-hsa.h: New file.
7615         * config/gcn/gcn-modes.def: New file.
7616         * config/gcn/gcn-opts.h: New file.
7617         * config/gcn/gcn-passes.def: New file.
7618         * config/gcn/gcn-protos.h: New file.
7619         * config/gcn/gcn-run.c: New file.
7620         * config/gcn/gcn-tree.c: New file.
7621         * config/gcn/gcn.c: New file.
7622         * config/gcn/gcn.h: New file.
7623         * config/gcn/gcn.opt: New file.
7624         * config/gcn/t-gcn-hsa: New file.
7625
7626 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7627             Kwok Cheung Yeung  <kcy@codesourcery.com>
7628             Julian Brown  <julian@codesourcery.com>
7629             Tom de Vries  <tom@codesourcery.com>
7630             Jan Hubicka  <hubicka@ucw.cz>
7631             Martin Jambor  <mjambor@suse.cz>
7632
7633         * config/gcn/constraints.md: New file.
7634         * config/gcn/gcn-valu.md: New file.
7635         * config/gcn/gcn.md: New file.
7636         * config/gcn/predicates.md: New file.
7637
7638 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7639
7640         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
7641         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
7642         (stmt_uses_0_or_null_in_undefined_way): Likewise.
7643         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
7644
7645 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
7646
7647         PR target/88851
7648         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
7649         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
7650         it and document registers.
7651
7652 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7653
7654         * config/aarch64/aarch64.c (ares_tunings): Define.
7655         * config/aarch64/aarch64-cores.def (ares): Use the above.
7656
7657 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7658
7659         PR target/88794
7660         Revert:
7661         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
7662
7663         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
7664         (_mm512_fixupimm_round_pd): Update parameters and builtin.
7665         (_mm512_maskz_fixupimm_round_pd): Ditto.
7666         (_mm512_fixupimm_round_ps): Ditto.
7667         (_mm512_maskz_fixupimm_round_ps): Ditto.
7668         (_mm_fixupimm_round_sd): Ditto.
7669         (_mm_maskz_fixupimm_round_sd): Ditto.
7670         (_mm_fixupimm_round_ss): Ditto.
7671         (_mm_maskz_fixupimm_round_ss): Ditto.
7672         (_mm512_fixupimm_pd): Ditto.
7673         (_mm512_maskz_fixupimm_pd): Ditto.
7674         (_mm512_fixupimm_ps): Ditto.
7675         (_mm512_maskz_fixupimm_ps): Ditto.
7676         (_mm_fixupimm_sd): Ditto.
7677         (_mm_maskz_fixupimm_sd): Ditto.
7678         (_mm_fixupimm_ss): Ditto.
7679         (_mm_maskz_fixupimm_ss): Ditto.
7680         (_mm512_mask_fixupimm_round_pd): Update builtin.
7681         (_mm512_mask_fixupimm_round_ps): Ditto.
7682         (_mm_mask_fixupimm_round_sd): Ditto.
7683         (_mm_mask_fixupimm_round_ss): Ditto.
7684         (_mm512_mask_fixupimm_pd): Ditto.
7685         (_mm512_mask_fixupimm_ps): Ditto.
7686         (_mm_mask_fixupimm_sd): Ditto.
7687         (_mm_mask_fixupimm_ss): Ditto.
7688         * config/i386/avx512vlintrin.h:
7689         (_mm256_fixupimm_pd): Update parameters and builtin.
7690         (_mm256_maskz_fixupimm_pd): Ditto.
7691         (_mm256_fixupimm_ps): Ditto.
7692         (_mm256_maskz_fixupimm_ps): Ditto.
7693         (_mm_fixupimm_pd): Ditto.
7694         (_mm_maskz_fixupimm_pd): Ditto.
7695         (_mm_fixupimm_ps): Ditto.
7696         (_mm_maskz_fixupimm_ps): Ditto.
7697         (_mm256_mask_fixupimm_pd): Update builtin.
7698         (_mm256_mask_fixupimm_ps): Ditto.
7699         (_mm_mask_fixupimm_pd): Ditto.
7700         (_mm_mask_fixupimm_ps): Ditto.
7701         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
7702         * config/i386/i386-builtin.def: Update builtin definitions.
7703         * config/i386/i386.c: Handle new builtin types and remove useless ones.
7704         * config/i386/sse.md: Update VFIXUPIMM* patterns.
7705         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7706         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7707         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
7708         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7709         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7710         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
7711         * config/i386/subst.md:
7712         (round_saeonly_sd_mask_operand4): Add new subst_attr.
7713         (round_saeonly_sd_mask_op4): Ditto.
7714         (round_saeonly_expand_operand5): Ditto.
7715         (round_saeonly_expand): Update.
7716
7717 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7718
7719         PR target/88794
7720         Revert:
7721         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
7722
7723         * config/i386/sse.md: Combine VFIXUPIMM* patterns
7724         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7725         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7726         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
7727         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7728         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7729         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
7730
7731 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7732
7733         PR target/88794
7734         Revert:
7735         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
7736
7737         PR target/88489
7738         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
7739         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
7740         instead of UNSPEC_FIXUPIMM.
7741
7742 2019-01-17  Richard Biener  <rguenther@suse.de>
7743
7744         PR lto/86736
7745         * dwarf2out.c (want_pubnames): Never generate pubnames sections
7746         and friends for the LTO part of debug info.
7747
7748 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7749
7750         PR tree-optimization/86214
7751         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
7752         if x == y.
7753
7754         PR rtl-optimization/88870
7755         * dce.c (deletable_insn_p): Never delete const/pure calls that can
7756         throw if we can't alter the cfg or delete dead exceptions.
7757         (mark_insn): Don't call find_call_stack_args for such calls.
7758
7759 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
7760
7761         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
7762         prototypes for vec_st.
7763         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
7764         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
7765         mainly on signed/unsigned long long and double.
7766
7767 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
7768
7769         PR target/88861
7770         * combine.c (delete_noop_moves): Convert to "bool" return,
7771         returning true if any edges are eliminated.
7772         (combine_instructions): Also return true if delete_noop_moves
7773         returns true.
7774
7775 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7776
7777         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
7778         correct max nunits for endian swap.
7779         (aarch64_expand_fcmla_builtin): Correct subreg code.
7780         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7781         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
7782         lane endianness.
7783
7784 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
7785
7786         * config/alpha/alpha.c (alpha_gimplify_va_arg):
7787         Handle split indirect COMPLEX_TYPE arguments.
7788
7789 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
7790
7791         PR target/86891
7792         * config/aarch64/aarch64-modes.def: Add comment about how the carry
7793         bit is set by add and compare.
7794         (CC_ADC): New CC_MODE.
7795         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
7796         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
7797         comparison.  Add detection for CC_ADCmode.
7798         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
7799         CC_ADCmode.
7800         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
7801         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
7802         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
7803         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
7804         to eliminate the need for zero-extending the operands.
7805         (add<mode>3_compareC_imm): Delete.  Merge into ...
7806         (add<mode>3_compareC): ... this.  Restructure the comparison to
7807         eliminate the need for zero-extending the operands.
7808         (add<mode>3_carryin): Use LTU for the overflow detection.
7809         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
7810         Reexpress comparison for overflow.
7811         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
7812         (add<mode>3_carryinC): Likewise.
7813         (add<mode>3_carryinV): Use LTU for carry between partials.
7814         * config/aarch64/predicates.md (aarch64_carry_operation): Update
7815         handling of CC_Cmode and add CC_ADCmode.
7816         (aarch64_borrow_operation): Likewise.
7817
7818 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7819
7820         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
7821         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
7822         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
7823         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
7824
7825 2019-01-16  Martin Liska  <mliska@suse.cz>
7826
7827         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
7828         for GCC driver.
7829         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
7830         a new argument.
7831         * gcc.c (add_sysrooted_hdrs_prefix): New function.
7832         (path_prefix_reset): Move up in the source file.
7833         (find_fortran_preinclude_file): Make complex search for the
7834         fortran header files.
7835
7836 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
7837
7838         * godump.c (go_output_typedef): When outputting a typedef, refer
7839         to the underlying type by its name and not its structure.
7840
7841 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
7842
7843         PR c++/88795
7844         * tree.c (build_function_type): Assert that arg_types is not
7845         error_mark_node.
7846
7847 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
7848
7849         PR inline-asm/52813
7850         * doc/extend.texi: Document that listing the stack pointer in the
7851         clobber list of an asm is a deprecated feature.
7852         * common.opt (Wdeprecated): Moved from c-family/c.opt.
7853         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
7854         warning instead of an error for clobbers of the stack pointer.
7855         Add a note explaining why.
7856
7857 2019-01-15  Richard Biener  <rguenther@suse.de>
7858
7859         PR debug/88046
7860         * dwarf2out.c (gen_member_die): Do not generate inheritance
7861         DIEs late.
7862
7863 2019-01-15  Richard Biener  <rguenther@suse.de>
7864
7865         PR tree-optimization/88855
7866         * tree-if-conv.c (combine_blocks): Collect
7867         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
7868
7869 2019-01-15  Tom de Vries  <tdevries@suse.de>
7870
7871         PR target/80547
7872         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
7873         lhs == NULL_TREE for gang-level reduction.
7874
7875 2019-01-15  Richard Biener  <rguenther@suse.de>
7876             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7877
7878         PR ipa/88788
7879         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
7880         return true if SSA_NAME is already marked in visited bitmap.
7881         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
7882
7883 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
7884
7885         PR tree-optimization/88775
7886         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
7887         equal == 0 equality pointer comparisons some more if compared in
7888         integral types and either one points to an automatic var and the
7889         other to a global, or we can prove at least one points to the middle
7890         or both point to start or both point to end.
7891
7892 2019-01-14  Andi Kleen  <ak@linux.intel.com>
7893
7894         * Makefile.in: Lower autofdo sampling rate by 10x.
7895         * Makefile.tpl: Dito.
7896
7897 2019-01-14  Tom Honermann  <tom@honermann.net>
7898
7899         * defaults.h: Define CHAR8_TYPE.
7900
7901 2019-01-14  Martin Sebor  <msebor@redhat.com>
7902
7903         PR target/88638
7904         * doc/extend.texi (Darwin Format Checks): Clarify.
7905
7906 2019-01-14  Richard Biener  <rguenther@suse.de>
7907
7908         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
7909         whether we are in (simplify ...) or (match ...) context.
7910
7911 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
7912
7913         PR rtl-optimization/88796
7914         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
7915         * cfgexpand.c (stack_protect_prologue): Initialize
7916         crtl->stack_protect_guard_decl.
7917         * function.c (stack_protect_epilogue): Use it instead of calling
7918         targetm.stack_protect_guard again.
7919         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
7920         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
7921         crtl->stack_protect_guard_decl.
7922         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
7923         on the returned MEM_EXPR.
7924
7925 2019-01-12  Tom de Vries  <tdevries@suse.de>
7926
7927         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
7928         vector length using -fopenacc-dim.
7929
7930 2019-01-12  Tom de Vries  <tdevries@suse.de>
7931
7932         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
7933         lengths into account.
7934
7935 2019-01-12  Svante Signell  <svante.signell@gmail.com>
7936
7937         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
7938         (TARGET_CAN_SPLIT_STACK): Define.
7939         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
7940
7941 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
7942
7943         * params.def (inline-unit-growth): Set to 40.
7944
7945 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
7946
7947         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
7948
7949 2019-01-12  Tom de Vries  <tdevries@suse.de>
7950
7951         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
7952         region calling vector-partitionable routine, set default_vector_length
7953         to WARP_SIZE.
7954
7955 2019-01-12  Tom de Vries  <tdevries@suse.de>
7956
7957         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
7958         variable default_vector_length.
7959
7960 2019-01-12  Tom de Vries  <tdevries@suse.de>
7961
7962         PR middle-end/88703
7963         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
7964         from oacc_default_dims, as oacc_validate_dims would do it, and apply
7965         dimensions limits.
7966
7967 2019-01-12  Tom de Vries  <tdevries@suse.de>
7968
7969         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
7970         (nvptx_goacc_validate_dims): Add used parameter.
7971         * doc/tm.texi: Regenerate.
7972         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
7973         argument to call to targetm.goacc.validate_dims.
7974         (default_goacc_validate_dims): Add used
7975         parameter.
7976         * target.def (validate_dims): Add used parameter in DEFHOOK.
7977         * targhooks.h (default_goacc_validate_dims): Add used parameter.
7978
7979 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7980
7981         PR middle-end/85956
7982         PR lto/88733
7983         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
7984         field.
7985         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
7986         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
7987         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
7988         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
7989
7990 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
7991
7992         PR rtl-optimization/87305
7993         * lra-assigns.c
7994         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
7995         for little endian pseudos used as paradoxical subreg.
7996
7997 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
7998
7999         PR tree-optimization/88693
8000         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8001         for STRING_CSTs that don't contain any NUL characters in the first
8002         TREE_STRING_LENGTH bytes.
8003
8004 2019-01-11  Alan Modra  <amodra@gmail.com>
8005
8006         PR 88777
8007         PR 88614
8008         * genattrtab.c (min_fn): Don't translate values.
8009         (min_attr_value): Return INT_MAX when the value can't be calculated.
8010         Return minimum among any values that can be calculated.
8011         (max_attr_value): Adjust.
8012
8013 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8014
8015         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8016
8017 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8018
8019         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8020         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8021         (aarch64_return_call_with_max_clobbers): New function.
8022         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8023         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8024         argument.
8025         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8026         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8027         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8028         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8029         * cselib.c (cselib_process_insn): Add argument to
8030         targetm.hard_regno_call_part_clobbered call.
8031         * ira-conflicts.c (ira_build_conflicts): Ditto.
8032         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8033         * lra-constraints.c (inherit_reload_reg): Ditto.
8034         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8035         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8036         argument.  Call targetm.return_call_with_max_clobbers.
8037         Add argument to targetm.hard_regno_call_part_clobbered call.
8038         (calls_have_same_clobbers_p): New function.
8039         (process_bb_lives): Add call_insn and last_call_insn variables.
8040         Pass call_insn to check_pseudos_live_through_calls.
8041         Modify if stmt to check targetm.return_call_with_max_clobbers.
8042         Update setting of flush variable.
8043         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8044         to false.
8045         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8046         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8047         targetm.hard_regno_call_part_clobbered call.
8048         * reginfo.c (choose_hard_reg_mode): Ditto.
8049         * regrename.c (check_new_reg_p): Ditto.
8050         * reload.c (find_equiv_reg): Ditto.
8051         * reload1.c (emit_reload_insns): Ditto.
8052         * sched-deps.c (deps_analyze_insn): Ditto.
8053         * sel-sched.c (init_regs_for_mode): Ditto.
8054         (mark_unavailable_hard_regs): Ditto.
8055         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8056         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8057         (return_call_with_max_clobbers): New target function.
8058         * doc/tm.texi: Regenerate.
8059         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8060         * hooks.c (hook_bool_uint_mode_false): Change to
8061         hook_bool_insn_uint_mode_false.
8062         * hooks.h (hook_bool_uint_mode_false): Ditto.
8063
8064 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8065
8066         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8067         (aarch64_remove_extra_call_preserved_regs): New function.
8068         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8069         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8070         * doc/tm.texi: Regenerate.
8071         * final.c (get_call_reg_set_usage): Call new hook.
8072         * target.def (remove_extra_call_preserved_regs): New hook.
8073         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8074         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8075
8076 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8077
8078         PR bootstrap/88714
8079         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8080         inside of pass_combine_1 dump rather than pass_profile_1.
8081
8082 2019-01-11  Tom de Vries  <tdevries@suse.de>
8083
8084         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8085         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8086         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8087         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8088         num_workers 16.
8089
8090 2019-01-11  Tom de Vries  <tdevries@suse.de>
8091
8092         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8093
8094 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8095
8096         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8097         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8098         sse2_cvtsi2sd): Add {l}.
8099         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8100         syntax.
8101
8102 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8103
8104         PR target/88785
8105         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8106         define_expand.
8107         (*float<floatunssuffix>v2div2sf2): New define_insn.
8108         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8109         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8110         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8111         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8112         match_operands with "const0_operand" "C".
8113
8114 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8115
8116         * config/aarch64/aarch64-builtins.c
8117         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8118         (aarch64_init_simd_builtins): ...Here
8119
8120 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8121
8122         PR rtl-optimization/87305
8123         * lra-assigns.c
8124         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8125         allocation for big endian pseudos used as paradoxical subregs and
8126         spill them if it is wrong.
8127         * lra-constraints.c (lra_constraints): Add a comment.
8128
8129 2019-01-10  Richard Biener  <rguenther@suse.de>
8130
8131         PR tree-optimization/88792
8132         * tree-ssa-pre.c (get_representative_for): Do not return a
8133         value-number here.
8134
8135 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8136
8137         PR middle-end/84877
8138         PR bootstrap/88450
8139         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8140         (assign_parm_setup_block): Do the argument slot realignment here
8141         instead.
8142
8143 2019-01-10  Stefan Agner  <stefan@agner.ch>
8144
8145         PR target/88648
8146         * config/arm/arm.c (arm_option_override_internal): Force
8147         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8148
8149 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8150
8151         PR c/88568
8152         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8153         DECL_EXTERNAL.
8154
8155 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8156
8157         * config/arm/arm-builtins.c
8158         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8159         (MAC_LANE_PAIR_QUALIFIERS): New.
8160         (arm_expand_builtin_args): Use it.
8161         (arm_expand_builtin_1): Likewise.
8162         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8163         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8164         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8165         * config/arm/arm_neon.h:
8166         (vcadd_rot90_f16): New.
8167         (vcaddq_rot90_f16): New.
8168         (vcadd_rot270_f16): New.
8169         (vcaddq_rot270_f16): New.
8170         (vcmla_f16): New.
8171         (vcmlaq_f16): New.
8172         (vcmla_lane_f16): New.
8173         (vcmla_laneq_f16): New.
8174         (vcmlaq_lane_f16): New.
8175         (vcmlaq_laneq_f16): New.
8176         (vcmla_rot90_f16): New.
8177         (vcmlaq_rot90_f16): New.
8178         (vcmla_rot90_lane_f16): New.
8179         (vcmla_rot90_laneq_f16): New.
8180         (vcmlaq_rot90_lane_f16): New.
8181         (vcmlaq_rot90_laneq_f16): New.
8182         (vcmla_rot180_f16): New.
8183         (vcmlaq_rot180_f16): New.
8184         (vcmla_rot180_lane_f16): New.
8185         (vcmla_rot180_laneq_f16): New.
8186         (vcmlaq_rot180_lane_f16): New.
8187         (vcmlaq_rot180_laneq_f16): New.
8188         (vcmla_rot270_f16): New.
8189         (vcmlaq_rot270_f16): New.
8190         (vcmla_rot270_lane_f16): New.
8191         (vcmla_rot270_laneq_f16): New.
8192         (vcmlaq_rot270_lane_f16): New.
8193         (vcmlaq_rot270_laneq_f16): New.
8194         (vcadd_rot90_f32): New.
8195         (vcaddq_rot90_f32): New.
8196         (vcadd_rot270_f32): New.
8197         (vcaddq_rot270_f32): New.
8198         (vcmla_f32): New.
8199         (vcmlaq_f32): New.
8200         (vcmla_lane_f32): New.
8201         (vcmla_laneq_f32): New.
8202         (vcmlaq_lane_f32): New.
8203         (vcmlaq_laneq_f32): New.
8204         (vcmla_rot90_f32): New.
8205         (vcmlaq_rot90_f32): New.
8206         (vcmla_rot90_lane_f32): New.
8207         (vcmla_rot90_laneq_f32): New.
8208         (vcmlaq_rot90_lane_f32): New.
8209         (vcmlaq_rot90_laneq_f32): New.
8210         (vcmla_rot180_f32): New.
8211         (vcmlaq_rot180_f32): New.
8212         (vcmla_rot180_lane_f32): New.
8213         (vcmla_rot180_laneq_f32): New.
8214         (vcmlaq_rot180_lane_f32): New.
8215         (vcmlaq_rot180_laneq_f32): New.
8216         (vcmla_rot270_f32): New.
8217         (vcmlaq_rot270_f32): New.
8218         (vcmla_rot270_lane_f32): New.
8219         (vcmla_rot270_laneq_f32): New.
8220         (vcmlaq_rot270_lane_f32): New.
8221         (vcmlaq_rot270_laneq_f32): New.
8222         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8223         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8224         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8225         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8226         vcmlaq_lane270): New.
8227         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8228         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8229         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8230         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8231         (arm_option_reconfigure_globals): Use them.
8232         * config/arm/iterators.md (VDF, VQ_HSF): New.
8233         (VCADD, VCMLA): New.
8234         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8235         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8236         New.
8237         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8238         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8239
8240 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8241
8242         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8243         Add qualifier_lane_pair_index.
8244         (emit-rtl.h): Include.
8245         (TYPES_QUADOP_LANE_PAIR): New.
8246         (aarch64_simd_expand_args): Use it.
8247         (aarch64_simd_expand_builtin): Likewise.
8248         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8249         New.
8250         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8251         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8252         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8253         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8254         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8255         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8256         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8257         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8258         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8259         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8260         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8261         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8262         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8263         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8264         Add __ARM_FEATURE_COMPLEX.
8265         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8266         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8267         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8268         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8269         fcmlaq_lane270): New.
8270         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8271         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8272         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8273         * config/aarch64/arm_neon.h:
8274         (vcadd_rot90_f16): New.
8275         (vcaddq_rot90_f16): New.
8276         (vcadd_rot270_f16): New.
8277         (vcaddq_rot270_f16): New.
8278         (vcmla_f16): New.
8279         (vcmlaq_f16): New.
8280         (vcmla_lane_f16): New.
8281         (vcmla_laneq_f16): New.
8282         (vcmlaq_lane_f16): New.
8283         (vcmlaq_rot90_lane_f16): New.
8284         (vcmla_rot90_laneq_f16): New.
8285         (vcmla_rot90_lane_f16): New.
8286         (vcmlaq_rot90_f16): New.
8287         (vcmla_rot90_f16): New.
8288         (vcmlaq_laneq_f16): New.
8289         (vcmla_rot180_laneq_f16): New.
8290         (vcmla_rot180_lane_f16): New.
8291         (vcmlaq_rot180_f16): New.
8292         (vcmla_rot180_f16): New.
8293         (vcmlaq_rot90_laneq_f16): New.
8294         (vcmlaq_rot270_laneq_f16): New.
8295         (vcmlaq_rot270_lane_f16): New.
8296         (vcmla_rot270_laneq_f16): New.
8297         (vcmlaq_rot270_f16): New.
8298         (vcmla_rot270_f16): New.
8299         (vcmlaq_rot180_laneq_f16): New.
8300         (vcmlaq_rot180_lane_f16): New.
8301         (vcmla_rot270_lane_f16): New.
8302         (vcadd_rot90_f32): New.
8303         (vcaddq_rot90_f32): New.
8304         (vcaddq_rot90_f64): New.
8305         (vcadd_rot270_f32): New.
8306         (vcaddq_rot270_f32): New.
8307         (vcaddq_rot270_f64): New.
8308         (vcmla_f32): New.
8309         (vcmlaq_f32): New.
8310         (vcmlaq_f64): New.
8311         (vcmla_lane_f32): New.
8312         (vcmla_laneq_f32): New.
8313         (vcmlaq_lane_f32): New.
8314         (vcmlaq_laneq_f32): New.
8315         (vcmla_rot90_f32): New.
8316         (vcmlaq_rot90_f32): New.
8317         (vcmlaq_rot90_f64): New.
8318         (vcmla_rot90_lane_f32): New.
8319         (vcmla_rot90_laneq_f32): New.
8320         (vcmlaq_rot90_lane_f32): New.
8321         (vcmlaq_rot90_laneq_f32): New.
8322         (vcmla_rot180_f32): New.
8323         (vcmlaq_rot180_f32): New.
8324         (vcmlaq_rot180_f64): New.
8325         (vcmla_rot180_lane_f32): New.
8326         (vcmla_rot180_laneq_f32): New.
8327         (vcmlaq_rot180_lane_f32): New.
8328         (vcmlaq_rot180_laneq_f32): New.
8329         (vcmla_rot270_f32): New.
8330         (vcmlaq_rot270_f32): New.
8331         (vcmlaq_rot270_f64): New.
8332         (vcmla_rot270_lane_f32): New.
8333         (vcmla_rot270_laneq_f32): New.
8334         (vcmlaq_rot270_lane_f32): New.
8335         (vcmlaq_rot270_laneq_f32): New.
8336         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8337         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8338         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8339         (FCADD, FCMLA): New.
8340         (rot): New.
8341         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8342
8343 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8344
8345         PR other/16615
8346
8347         * config/pa/pa.c: Change "can not" to "cannot".
8348         * gimple-ssa-evrp-analyze.c: Likewise.
8349         * ipa-icf.c: Likewise.
8350         * ipa-polymorphic-call.c: Likewise.
8351         * ipa-pure-const.c: Likewise.
8352         * lra-constraints.c: Likewise.
8353         * lra-remat.c: Likewise.
8354         * reload1.c: Likewise.
8355         * reorg.c: Likewise.
8356         * tree-ssa-uninit.c: Likewise.
8357
8358 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8359
8360         PR other/16615
8361
8362         * Makefile.in: Mechanically replace "can not" with "cannot".
8363         * alias.c: Likewise.
8364         * builtins.c: Likewise.
8365         * calls.c: Likewise.
8366         * cgraph.c: Likewise.
8367         * cgraph.h: Likewise.
8368         * cgraphclones.c: Likewise.
8369         * cgraphunit.c: Likewise.
8370         * combine-stack-adj.c: Likewise.
8371         * combine.c: Likewise.
8372         * common/config/i386/i386-common.c: Likewise.
8373         * config/aarch64/aarch64.c: Likewise.
8374         * config/alpha/sync.md: Likewise.
8375         * config/arc/arc.c: Likewise.
8376         * config/arc/predicates.md: Likewise.
8377         * config/arm/arm-c.c: Likewise.
8378         * config/arm/arm.c: Likewise.
8379         * config/arm/arm.h: Likewise.
8380         * config/arm/arm.md: Likewise.
8381         * config/arm/cortex-r4f.md: Likewise.
8382         * config/csky/csky.c: Likewise.
8383         * config/csky/csky.h: Likewise.
8384         * config/darwin-f.c: Likewise.
8385         * config/epiphany/epiphany.md: Likewise.
8386         * config/i386/i386.c: Likewise.
8387         * config/i386/sol2.h: Likewise.
8388         * config/m68k/m68k.c: Likewise.
8389         * config/mcore/mcore.h: Likewise.
8390         * config/microblaze/microblaze.md: Likewise.
8391         * config/mips/20kc.md: Likewise.
8392         * config/mips/sb1.md: Likewise.
8393         * config/nds32/nds32.c: Likewise.
8394         * config/nds32/predicates.md: Likewise.
8395         * config/pa/pa.c: Likewise.
8396         * config/rs6000/e300c2c3.md: Likewise.
8397         * config/rs6000/rs6000.c: Likewise.
8398         * config/s390/s390.h: Likewise.
8399         * config/sh/sh.c: Likewise.
8400         * config/sh/sh.md: Likewise.
8401         * config/spu/vmx2spu.h: Likewise.
8402         * cprop.c: Likewise.
8403         * dbxout.c: Likewise.
8404         * df-scan.c: Likewise.
8405         * doc/cfg.texi: Likewise.
8406         * doc/extend.texi: Likewise.
8407         * doc/fragments.texi: Likewise.
8408         * doc/gty.texi: Likewise.
8409         * doc/invoke.texi: Likewise.
8410         * doc/lto.texi: Likewise.
8411         * doc/md.texi: Likewise.
8412         * doc/objc.texi: Likewise.
8413         * doc/rtl.texi: Likewise.
8414         * doc/tm.texi: Likewise.
8415         * dse.c: Likewise.
8416         * emit-rtl.c: Likewise.
8417         * emit-rtl.h: Likewise.
8418         * except.c: Likewise.
8419         * expmed.c: Likewise.
8420         * expr.c: Likewise.
8421         * fold-const.c: Likewise.
8422         * genautomata.c: Likewise.
8423         * gimple-fold.c: Likewise.
8424         * hard-reg-set.h: Likewise.
8425         * ifcvt.c: Likewise.
8426         * ipa-comdats.c: Likewise.
8427         * ipa-cp.c: Likewise.
8428         * ipa-devirt.c: Likewise.
8429         * ipa-fnsummary.c: Likewise.
8430         * ipa-icf.c: Likewise.
8431         * ipa-inline-transform.c: Likewise.
8432         * ipa-inline.c: Likewise.
8433         * ipa-polymorphic-call.c: Likewise.
8434         * ipa-profile.c: Likewise.
8435         * ipa-prop.c: Likewise.
8436         * ipa-pure-const.c: Likewise.
8437         * ipa-reference.c: Likewise.
8438         * ipa-split.c: Likewise.
8439         * ipa-visibility.c: Likewise.
8440         * ipa.c: Likewise.
8441         * ira-build.c: Likewise.
8442         * ira-color.c: Likewise.
8443         * ira-conflicts.c: Likewise.
8444         * ira-costs.c: Likewise.
8445         * ira-int.h: Likewise.
8446         * ira-lives.c: Likewise.
8447         * ira.c: Likewise.
8448         * ira.h: Likewise.
8449         * loop-invariant.c: Likewise.
8450         * loop-unroll.c: Likewise.
8451         * lower-subreg.c: Likewise.
8452         * lra-assigns.c: Likewise.
8453         * lra-constraints.c: Likewise.
8454         * lra-eliminations.c: Likewise.
8455         * lra-lives.c: Likewise.
8456         * lra-remat.c: Likewise.
8457         * lra-spills.c: Likewise.
8458         * lra.c: Likewise.
8459         * lto-cgraph.c: Likewise.
8460         * lto-streamer-out.c: Likewise.
8461         * postreload-gcse.c: Likewise.
8462         * predict.c: Likewise.
8463         * profile-count.h: Likewise.
8464         * profile.c: Likewise.
8465         * recog.c: Likewise.
8466         * ree.c: Likewise.
8467         * reload.c: Likewise.
8468         * reload1.c: Likewise.
8469         * reorg.c: Likewise.
8470         * resource.c: Likewise.
8471         * rtl.def: Likewise.
8472         * rtl.h: Likewise.
8473         * rtlanal.c: Likewise.
8474         * sched-deps.c: Likewise.
8475         * sched-ebb.c: Likewise.
8476         * sched-rgn.c: Likewise.
8477         * sel-sched-ir.c: Likewise.
8478         * sel-sched.c: Likewise.
8479         * shrink-wrap.c: Likewise.
8480         * simplify-rtx.c: Likewise.
8481         * symtab.c: Likewise.
8482         * target.def: Likewise.
8483         * toplev.c: Likewise.
8484         * tree-call-cdce.c: Likewise.
8485         * tree-cfg.c: Likewise.
8486         * tree-complex.c: Likewise.
8487         * tree-core.h: Likewise.
8488         * tree-eh.c: Likewise.
8489         * tree-inline.c: Likewise.
8490         * tree-loop-distribution.c: Likewise.
8491         * tree-nrv.c: Likewise.
8492         * tree-profile.c: Likewise.
8493         * tree-sra.c: Likewise.
8494         * tree-ssa-alias.c: Likewise.
8495         * tree-ssa-dce.c: Likewise.
8496         * tree-ssa-dom.c: Likewise.
8497         * tree-ssa-forwprop.c: Likewise.
8498         * tree-ssa-loop-im.c: Likewise.
8499         * tree-ssa-loop-ivcanon.c: Likewise.
8500         * tree-ssa-loop-ivopts.c: Likewise.
8501         * tree-ssa-loop-niter.c: Likewise.
8502         * tree-ssa-phionlycprop.c: Likewise.
8503         * tree-ssa-phiopt.c: Likewise.
8504         * tree-ssa-propagate.c: Likewise.
8505         * tree-ssa-threadedge.c: Likewise.
8506         * tree-ssa-threadupdate.c: Likewise.
8507         * tree-ssa-uninit.c: Likewise.
8508         * tree-ssanames.c: Likewise.
8509         * tree-streamer-out.c: Likewise.
8510         * tree.c: Likewise.
8511         * tree.h: Likewise.
8512         * vr-values.c: Likewise.
8513
8514 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8515
8516         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8517         (ix86_split_xorsign): Ditto.
8518         * config/i386/i386.c (ix86_expand_xorsign): New function.
8519         (ix86_split_xorsign): Ditto.
8520         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8521         (xorsign<mode>3): New expander.
8522         (xorsign<mode>3_1): New insn_and_split pattern.
8523         * config/i386/sse.md (xorsign<mode>3): New expander.
8524
8525 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8526
8527         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8528         (*tablejump_sp64): Likewise.
8529         (*tablejump<P:mode>): ...this.
8530         (*call_address_sp32): Merge into...
8531         (*call_address_sp64): Likewise.
8532         (*call_address<P:mode>): ...this.
8533         (*call_symbolic_sp32): Merge into...
8534         (*call_symbolic_sp64): Likewise.
8535         (*call_symbolic<P:mode>): ...this.
8536         (call_value): Remove constraint and add predicate.
8537         (*call_value_address_sp32): Merge into...
8538         (*call_value_address_sp64): Likewise.
8539         (*call_value_address<P:mode>): ...this.
8540         (*call_value_symbolic_sp32): Merge into...
8541         (*call_value_symbolic_sp64): Likewise.
8542         (*call_value_symbolic<P:mode>): ...this.
8543         (*sibcall_symbolic_sp32): Merge into...
8544         (*sibcall_symbolic_sp64): Likewise.
8545         (*sibcall_symbolic<P:mode>): ...this.
8546         (sibcall_value): Remove constraint and add predicate.
8547         (*sibcall_value_symbolic_sp32): Merge into...
8548         (*sibcall_value_symbolic_sp64): Likewise.
8549         (*sibcall_value_symbolic<P:mode>): ...this.
8550         (window_save): Minor tweak.
8551         (*branch_sp32): Merge into...
8552         (*branch_sp64): Likewise.
8553         (*branch<P:mode>): ...this.
8554
8555 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8556             James Clarke  <jrtc27@jrtc27.com>
8557
8558         PR target/84010
8559         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8560         consistently in TLS address generation and adjust code to the renaming
8561         of patterns.  Mark calls to __tls_get_addr as const.
8562         * config/sparc/sparc.md (tgd_hi22): Turn into...
8563         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8564         (tgd_lo10): Turn into...
8565         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8566         (tgd_add32): Merge into...
8567         (tgd_add64): Likewise.
8568         (tgd_add<P:mode>): ...this and use Pmode throughout.
8569         (tldm_hi22): Turn into...
8570         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8571         (tldm_lo10): Turn into...
8572         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8573         (tldm_add32): Merge into...
8574         (tldm_add64): Likewise.
8575         (tldm_add<P:mode>): ...this and use Pmode throughout.
8576         (tldm_call32): Merge into...
8577         (tldm_call64): Likewise.
8578         (tldm_call<P:mode>): ...this and use Pmode throughout.
8579         (tldo_hix22): Turn into...
8580         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8581         (tldo_lox10): Turn into...
8582         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8583         (tldo_add32): Merge into...
8584         (tldo_add64): Likewise.
8585         (tldo_add<P:mode>): ...this and use Pmode throughout.
8586         (tie_hi22): Turn into...
8587         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8588         (tie_lo10): Turn into...
8589         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8590         (tie_ld64): Use DImode throughout.
8591         (tie_add32): Merge into...
8592         (tie_add64): Likewise.
8593         (tie_add<P:mode>): ...this and use Pmode throughout.
8594         (tle_hix22_sp32): Merge into...
8595         (tle_hix22_sp64): Likewise.
8596         (tle_hix22<P:mode>): ...this and use Pmode throughout.
8597         (tle_lox22_sp32): Merge into...
8598         (tle_lox22_sp64): Likewise.
8599         (tle_lox22<P:mode>): ...this and use Pmode throughout.
8600         (*tldo_ldub_sp32): Merge into...
8601         (*tldo_ldub_sp64): Likewise.
8602         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
8603         (*tldo_ldub1_sp32): Merge into...
8604         (*tldo_ldub1_sp64): Likewise.
8605         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
8606         (*tldo_ldub2_sp32): Merge into...
8607         (*tldo_ldub2_sp64): Likewise.
8608         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
8609         (*tldo_ldsb1_sp32): Merge into...
8610         (*tldo_ldsb1_sp64): Likewise.
8611         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
8612         (*tldo_ldsb2_sp32): Merge into...
8613         (*tldo_ldsb2_sp64): Likewise.
8614         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
8615         (*tldo_ldub3_sp64): Use DImode throughout.
8616         (*tldo_ldsb3_sp64): Likewise.
8617         (*tldo_lduh_sp32): Merge into...
8618         (*tldo_lduh_sp64): Likewise.
8619         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
8620         (*tldo_lduh1_sp32): Merge into...
8621         (*tldo_lduh1_sp64): Likewise.
8622         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
8623         (*tldo_ldsh1_sp32): Merge into...
8624         (*tldo_ldsh1_sp64): Likewise.
8625         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
8626         (*tldo_lduh2_sp64): Use DImode throughout.
8627         (*tldo_ldsh2_sp64): Likewise.
8628         (*tldo_lduw_sp32): Merge into...
8629         (*tldo_lduw_sp64): Likewise.
8630         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
8631         (*tldo_lduw1_sp64): Use DImode throughout.
8632         (*tldo_ldsw1_sp64): Likewise.
8633         (*tldo_ldx_sp64): Likewise.
8634         (*tldo_stb_sp32): Merge into...
8635         (*tldo_stb_sp64): Likewise.
8636         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
8637         (*tldo_sth_sp32): Merge into...
8638         (*tldo_sth_sp64): Likewise.
8639         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
8640         (*tldo_stw_sp32): Merge into...
8641         (*tldo_stw_sp64): Likewise.
8642         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
8643         (*tldo_stx_sp64): Use DImode throughout.
8644
8645 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8646
8647         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
8648         check configure option to set BTI and Return Address Signing.
8649         * configure.ac: Add --enable-standard-branch-protection and
8650         --disable-standard-branch-protection.
8651         * configure: Regenerated.
8652         * doc/install.texi: Document the same.
8653
8654 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8655             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8656
8657         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
8658         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
8659         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
8660         if bti is enabled.
8661         * config/aarch64/aarch64-bti-insert.c: New file.
8662         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
8663         pass.
8664         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
8665         new bti pass.
8666         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
8667         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
8668         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
8669         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
8670
8671 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8672
8673         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
8674         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
8675         Disable bti for -mbranch-protection=none.
8676         (aarch64_handle_standard_branch_protection): Enable bti for
8677         -mbranch-protection=standard.
8678         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
8679         -mbranch-protection.
8680         (aarch64_bti_enabled): Check if bti is enabled.
8681         * config/aarch64/aarch64.opt: Declare target variable.
8682         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
8683
8684 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8685
8686         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
8687         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
8688         (aarch64_expand_epilogue): Likewise.
8689         (aarch64_output_mi_thunk): Likewise
8690         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
8691         TAILCALL_ADDR_REGS to x16 and x17.
8692         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
8693
8694 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8695
8696         * config/aarch64/aarch64-option-extensions.def: Define
8697         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
8698         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
8699         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
8700         (AARCH64_FL_PREDRES): New.
8701         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
8702         AARCH64_FL_PREDRES by default.
8703         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
8704
8705 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8706
8707         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
8708         ARMv8.5-A.
8709         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
8710         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
8711         * doc/invoke.texi: Document ARMv8.5-A.
8712
8713 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
8714
8715         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
8716         (xorsign<mode>3): Likewise.
8717
8718 2019-01-09  Jelinek  <jakub@redhat.com>
8719
8720         PR middle-end/88758
8721         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
8722         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
8723
8724         PR rtl-optimization/88331
8725         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
8726         not currently_expanding_to_rtl.
8727
8728 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8729
8730         * doc/invoke.texi (-Os): Remove trailing spaces.
8731         (-finline-functions): Remove reference to -O2.
8732
8733 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
8734
8735         PR rtl-optimization/79593
8736         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
8737
8738         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
8739         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
8740
8741 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
8742
8743         PR bootstrap/88721
8744         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
8745         to -1 on entry.
8746
8747         PR debug/88723
8748         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
8749         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
8750
8751 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8752
8753         PR target/88717
8754         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
8755         ix86_avx_u128_mode_entry.
8756
8757 2019-01-08  Martin Liska  <mliska@suse.cz>
8758
8759         PR tree-optimization/88753
8760         * tree-switch-conversion.c (switch_conversion::build_one_array):
8761         Come up with local variable constructor.  Convert first to
8762         type of constructor values.
8763
8764 2019-01-08  Richard Biener  <rguenther@suse.de>
8765
8766         PR tree-optimization/86554
8767         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
8768         rpo_avail): Move earlier.
8769         (visit_nary_op): When value-numbering to expressions
8770         with different overflow behavior make sure there's an
8771         available expression on the path.
8772
8773 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
8774
8775         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
8776         aarch64_parse_branch_protection,
8777         struct aarch64_branch_protect_type,
8778         aarch64_handle_no_branch_protection,
8779         aarch64_handle_standard_branch_protection,
8780         aarch64_validate_mbranch_protection,
8781         aarch64_handle_pac_ret_protection,
8782         aarch64_handle_attr_branch_protection,
8783         accepted_branch_protection_string,
8784         aarch64_pac_ret_subtypes,
8785         aarch64_branch_protect_types,
8786         aarch64_handle_pac_ret_leaf): Define.
8787         (aarch64_override_options_after_change_1, aarch64_override_options):
8788         Add check for accepted_branch_protection_string.
8789         (aarch64_option_save): Save accepted_branch_protection_string.
8790         (aarch64_option_restore): Save accepted_branch_protection_string.
8791         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
8792         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
8793         msign-return-address.
8794         * doc/invoke.texi: Add mbranch-protection.
8795
8796 2019-01-08  Alan Modra  <amodra@gmail.com>
8797
8798         PR target/88614
8799         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
8800         Delete "unknownp" parameter.  Adjust callers.  Handle
8801         CONST_INT, PLUS, MINUS, and MULT.
8802         (attr_value_aligned): Renamed from or_attr_value.
8803         (min_attr_value): Return INT_MIN for unhandled rtl case..
8804         (min_fn): ..and translate to INT_MAX here.
8805         (write_length_unit_log): Modify to cope without "unknown".
8806         (write_attr_value): Handle IF_THEN_ELSE.
8807
8808 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8809
8810         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
8811         optimization for masked stores.
8812
8813 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8814
8815         PR middle-end/88567
8816         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
8817         output vector directly to duplicate_and_interleave instead of
8818         going through a temporary.  Postpone insertion of ctor_seq to
8819         the end of the loop.
8820
8821 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
8822
8823         PR target/86891
8824         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
8825         unsigned_p.  Handle signed and unsigned overflow correction as
8826         required.
8827         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
8828         prototype.
8829         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
8830         for operand 2.
8831         (add<mode>3_compareV_imm): Make this callable for expanding.
8832         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
8833         aarch64_plus_operand for operand 2.
8834         (subv<GPI:mode>_insn): New insn pattern.
8835         (subv<GPI:mode>_imm): Likewise.
8836         (negv<GPI:mode>3): New expand pattern.
8837         (negv<GPI:mode>_insn): New insn pattern.
8838         (negv<GPI:mode>_cmp_only): Likewise.
8839         (cmpv<GPI:mode>_insn): Likewise.
8840         (subvti4): Use register_operand for operand 1.  Update call to
8841         aarch64_expand_subvti.
8842         (usubvti4): Likewise.
8843         (negvti3): New expand pattern.
8844         (negdi_carryout): New insn pattern.
8845         (negvdi_carryinV): New insn pattern.
8846         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
8847         version the named version.
8848         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
8849         operands.
8850         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
8851         patterns.
8852         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
8853         patterns.
8854         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
8855         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
8856         (sub<mode>3_carryinCV): Delete.
8857         (sub<GPI:mode>3_carryinV): New expand pattern.
8858         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
8859
8860 2019-01-07  Richard Biener  <rguenther@suse.de>
8861
8862         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
8863         of tree_operand_hash.
8864
8865 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8866
8867         PR tree-optimization/88598
8868         * tree.h (single_nonzero_element): Declare.
8869         * tree.c (single_nonzero_element): New function.
8870         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
8871         if I is the only nonzero element of CST.
8872
8873 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8874
8875         PR tree-optimization/88598
8876         * tree.h (initializer_each_zero_or_onep): Declare.
8877         * tree.c (initializer_each_zero_or_onep): New function.
8878         (signed_or_unsigned_type_for): Handle float types too.
8879         (unsigned_type_for, signed_type_for): Update comments accordingly.
8880         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
8881         x & { 0 or -1, 0 or -1, ... }.
8882
8883 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
8884
8885         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
8886         with x86_64-pc-linux-gnu.
8887
8888 2019-01-07  Tom de Vries  <tdevries@suse.de>
8889
8890         PR target/85486
8891         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
8892         function.
8893         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
8894         routines.
8895
8896 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
8897
8898         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
8899         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
8900         TARGET_AVX512F as condition.
8901
8902         PR debug/88723
8903         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
8904         const_not_ok_for_debug_p target hook.
8905         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
8906         on UNSPEC and subexpressions thereof if all subexpressions of the
8907         UNSPEC are CONSTANT_P.
8908
8909         PR tree-optimization/88676
8910         * tree-ssa-phiopt.c (two_value_replacement): New function.
8911         (tree_ssa_phiopt_worker): Call it.
8912
8913         PR sanitizer/88619
8914         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
8915         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
8916
8917         PR c++/85052
8918         * tree-vect-generic.c: Include insn-config.h and recog.h.
8919         (expand_vector_piecewise): Add defaulted ret_type argument,
8920         if non-NULL, use that in preference to type for the result type.
8921         (expand_vector_parallel): Formatting fix.
8922         (do_vec_conversion, do_vec_narrowing_conversion,
8923         expand_vector_conversion): New functions.
8924         (expand_vector_operations_1): Call expand_vector_conversion
8925         for VEC_CONVERT ifn calls.
8926         * internal-fn.def (VEC_CONVERT): New internal function.
8927         * internal-fn.c (expand_VEC_CONVERT): New function.
8928         * fold-const-call.c (fold_const_vec_convert): New function.
8929         (fold_const_call): Use it for CFN_VEC_CONVERT.
8930         * doc/extend.texi (__builtin_convertvector): Document.
8931
8932 2019-01-07  Tom de Vries  <tdevries@suse.de>
8933
8934         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
8935         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
8936         vector_red_partition, vector_red_sym): New global variables.
8937         (nvptx_option_override): Initialize vector_red_sym.
8938         (nvptx_declare_function_name): Restore red_partition register.
8939         (nvptx_file_end): Emit code to declare the vector reduction variables.
8940         (nvptx_output_red_partition): New function.
8941         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
8942         large vector reductions.
8943         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
8944         (nvptx_init_builtins): Add VECTOR_ADDR.
8945         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
8946         Handle nvptx_expand_shared_addr.
8947         (nvptx_get_shared_red_addr): Add vector argument and handle large
8948         vectors.
8949         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
8950         large vectors.
8951         (nvptx_goacc_reduction_init): Likewise.
8952         (nvptx_goacc_reduction_fini): Likewise.
8953         (nvptx_goacc_reduction_teardown): Likewise.
8954         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
8955         init,fini,teardown}.
8956         (nvptx_init_axis_predicate): Initialize vector_red_partition.
8957         (nvptx_set_current_function): Init vector_red_partition.
8958         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
8959         (nvptx_red_partition): New insn.
8960         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
8961
8962 2019-01-07  Tom de Vries  <tdevries@suse.de>
8963
8964         PR target/85381
8965         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
8966         empty loops.
8967
8968 2019-01-07  Tom de Vries  <tdevries@suse.de>
8969
8970         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
8971         (nvptx_option_override): Init oacc_bcast_partition.
8972         (nvptx_init_oacc_workers): New function.
8973         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
8974         (nvptx_needs_shared_bcast): New function.
8975         (nvptx_find_par): Generalize to enable vectors to use shared-memory
8976         to propagate state.
8977         (nvptx_shared_propagate): Initialize vector bcast partition and
8978         synchronization state.
8979         (nvptx_single):  Generalize to enable vectors to use shared-memory
8980         to propagate state.
8981         (nvptx_process_pars): Likewise.
8982         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
8983         * config/nvptx/nvptx.h (struct machine_function): Add
8984         bcast_partition and sync_bar members.
8985
8986 2019-01-07  Tom de Vries  <tdevries@suse.de>
8987
8988         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
8989         (nvptx_apply_dim_limits): New function.
8990         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
8991         PTX_WARP_SIZE.
8992
8993 2019-01-07  Tom de Vries  <tdevries@suse.de>
8994
8995         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
8996         as late as possible.
8997
8998 2019-01-07  Tom de Vries  <tdevries@suse.de>
8999
9000         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9001         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9002         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9003         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9004         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9005
9006 2019-01-07  Tom de Vries  <tdevries@suse.de>
9007
9008         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9009
9010 2019-01-07  Tom de Vries  <tdevries@suse.de>
9011
9012         * omp-offload.c (oacc_get_min_dim): New function.
9013         * omp-offload.h (oacc_get_min_dim): Declare.
9014
9015 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9016
9017         PR target/88521
9018         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9019         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9020
9021 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9022
9023         PR tree-opt/86020
9024         Revert:
9025         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9026
9027         * ipa-inline.c (edge_badness): Use inlined_time instead of
9028         inline_summaries->get.
9029
9030 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9031
9032         * opts.c (enable_fdo_optimizations): Enable
9033         version-loops-for-strides, loop-interchange, unrol-and-jam
9034         and tree-loop-distribution.
9035         * invoke.texi: Document newly enabled options.
9036
9037 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9038
9039         * doc/invoke.texi (max-inline-insns-small): New parameters.
9040         * ipa-inline.c (want_early_inline_function_p): simplify.
9041         (want_inline_small_function_p): Fix pasto from previous patch;
9042         use max-inline-insns-small bound.
9043         * params.def (max-inline-insns-small): New param.
9044         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9045         variables correctly.
9046
9047 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9048
9049         * doc/invoke.texi: Document max-inline-insns-size,
9050         uninlined-function-insns, uninlined-function-time,
9051         uninlined-thunk-insns and uninlined-thunk-time.
9052         * params.def: Add max-inline-insns-size,
9053         uninlined-function-insns, uninlined-function-time,
9054         uninlined-thunk-insns and uninlined-thunk-time.
9055         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9056         new parameters.
9057         * ipa-inline.c (can_inline_edge_by_limits_p,
9058         want_inline_small_function_p): Use new parameters.
9059
9060 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9061
9062         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9063
9064 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9065
9066         PR middle-end/82564
9067         PR target/88620
9068         * expr.c (expand_assignment): For calls returning VLA structures
9069         if to_rtx is not a MEM, force it into a stack temporary.
9070
9071         PR debug/88635
9072         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9073         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9074         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9075         subexpressions of both operands.
9076         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9077         subrtxes are CONSTANT_P.
9078         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9079         2018-11-09 changes.
9080
9081 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9082
9083         * params.def (hot-bb-count-ws-permille): Set to 990.
9084
9085 2019-01-04  Martin Sebor  <msebor@redhat.com>
9086
9087         PR c/88546
9088         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9089         leaf.
9090
9091 2019-01-04  Martin Sebor  <msebor@redhat.com>
9092
9093         PR c/88363
9094         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9095
9096 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9097
9098         * gdbinit.in: Turn off pagination for the skip commands, restore
9099         it to previous state afterwards.
9100
9101 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9102
9103         PR target/88594
9104         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9105         of GET_MODE (opN) as modes of the libcall arguments.
9106
9107 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9108
9109         * config/i386/sse.md
9110         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9111         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9112         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9113         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9114         avx512f_vmcmp<mode>3<round_saeonly_name>,
9115         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9116         avx512f_maskcmp<mode>3,
9117         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9118         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9119         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9120         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9121         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9122         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9123         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9124         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9125         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9126         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9127         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9128         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9129         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9130         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9131         avx512cd_maskb_vec_dup<mode>,
9132         avx512cd_maskw_vec_dup<mode>,
9133         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9134         avx512dq_vmfpclass<mode>,
9135         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9136         instead of =Yk.
9137
9138 2019-01-03  Martin Sebor  <msebor@redhat.com>
9139
9140         PR tree-optimization/88659
9141         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9142
9143 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9144
9145         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9146         unaligned vsx and avoid lxvd2x/stxvd2x.
9147         (gen_lvx_v4si_move): New function.
9148
9149 2019-01-03  Tom de Vries  <tdevries@suse.de>
9150
9151         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9152         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9153         function.
9154         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9155
9156 2019-01-03  Tom de Vries  <tdevries@suse.de>
9157
9158         * config/nvptx/nvptx.c (struct offload_attrs): New.
9159         (populate_offload_attrs): New function.  Factor mask extraction out of
9160         nvptx_reorg.  Add extraction of dimensions.
9161         (nvptx_reorg): Use populate_offload_attrs.
9162
9163 2019-01-03  Tom de Vries  <tdevries@suse.de>
9164
9165         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9166         cases for oacc_min_dims_p and routine_p.  Add asserts for
9167         oacc_default_dims_p and offload_region_p.
9168
9169 2019-01-03  Tom de Vries  <tdevries@suse.de>
9170
9171         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9172         factored out of ...
9173         (nvptx_goacc_validate_dims): ... here.
9174
9175 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9176
9177         PR tree-optimization/85574
9178         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9179         structure.
9180         (struct ssa_equip_hash_traits): Declare.
9181         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9182
9183 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9184
9185         PR debug/88644
9186         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9187         change it to qualified_type.
9188
9189 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9190
9191         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9192         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9193
9194 2019-01-02  Martin Sebor  <msebor@redhat.com>
9195             Jeff Law  <law@redhat.com>
9196
9197         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9198         (get_range_strlen_tree): Update appropriately.
9199         (get_range_strlen)
9200         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9201
9202         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9203         rather than set_range_info.
9204         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9205         maybe_set_strlen_range.  Handle potentially boundary crossing
9206         cases more conservatively.
9207         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9208         Call set_strlen_range.
9209         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9210
9211         PR middle-end/88663
9212         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9213         need the flexp argument.
9214         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9215         from calls to get_range_strlen.  Update comments.  Just update
9216         VAL for an unterminated const char array and let the reset of the
9217         code handle it normally.  No longer try to set *flexp.  Adjust
9218         return value.
9219         (get_range_strlen): Update for the new get_range_strlen API.
9220         (get_maxval_strlen): Similarly.
9221         (gimple_fold_builtin_strlen): Handle update meaning of return value
9222         from get_range_strlen.
9223         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9224         get_range_strlen API.
9225
9226 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9227
9228         PR lto/88130
9229         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9230         false at WPA time when body was removed.
9231
9232 2019-01-02  Martin Liska  <mliska@suse.cz>
9233
9234         PR tree-optimization/88650
9235         * predict.c (set_even_probabilities): Calculate probability
9236         remainer only when really used.
9237
9238 2019-01-02  Richard Biener  <rguenther@suse.de>
9239
9240         PR middle-end/88651
9241         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9242         widest_ints when mangling max_stmt_execution results.
9243
9244 2019-01-02  Richard Biener  <rguenther@suse.de>
9245
9246         PR tree-optimization/88621
9247         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9248         bitfields when canoncalizing.
9249
9250 2019-01-02  Richard Biener  <rguenther@suse.de>
9251
9252         PR target/87545
9253         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9254         cost of cheap SSE instruction.
9255
9256 2019-01-02  Richard Biener  <rguenther@suse.de>
9257
9258         PR ipa/85574
9259         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9260         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9261         function.
9262         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9263         set after UIDs before splitting them.
9264
9265 2019-01-01  Martin Sebor  <msebor@redhat.com>
9266             Jeff Law  <law@redhat.com>
9267
9268         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9269         length is optimistic.  If it is, then arrange to compute the
9270         conservative length as well.
9271
9272         * gimple-fold.h (get_range_strlen): Update prototype.
9273         * builtins.c (check_access): Update call to get_range_strlen to use
9274         c_strlen_data pointer.   Change various variable accesses to instead
9275         pull data from the c_strlen_data structure.
9276         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9277         * calls.c (maybe_warn_nonstring_arg): Likewise.
9278         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9279         minimum length if maximum lengh is unknown.
9280         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9281         that used c_strlen, it's no longer needed.  Restructure slightly.
9282         (format_string): Set unlikely range appropriately.
9283         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9284         formatting issues.
9285         (get_range_strlen):  Accept c_strlen_data pointer for external
9286         call sites as well.  Pass through to call to internal get_range_strlen.
9287         Adjust minlen, maxlen and maxbound as needed.
9288         (get_maxval_strlen): Update comments.
9289         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9290         to use c_strlen_data pointer.  Change variable accesses to instead
9291         use c_strlen_data data members.
9292
9293         * gimple-fold.c (get_range_strlen): Update prototype.
9294         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9295         local variables.  Use pdata to return information to caller.
9296         Update calls to get_range_strlen.  Update pdata->maxbound.
9297         (get_range_strlen -- static version): Similarly.
9298         (get_range_strlen -- extern version): Update for internal
9299         get_range_strlen API change.  Convert to external data format.
9300         (get_maxval_strlen): Similarly.
9301
9302 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9303
9304         * coverage.c (get_coverage_counts): Use current_function_decl.
9305         * profile.c (read_thunk_profile): New function.
9306         (branch_prob): Add THUNK parameter.
9307         * tree-profile.c (tree_profiling): Handle thunks.
9308         * value-prof.c (init_node_map): Handle thunks.
9309         * value-prof.h (branch_prob): Upate prototype.
9310         (read_thunk_profile): Declare.
9311
9312 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9313
9314         Update copyright years.
9315
9316         * gcc.c (process_command): Update copyright notice dates.
9317         * gcov-dump.c (print_version): Ditto.
9318         * gcov.c (print_version): Ditto.
9319         * gcov-tool.c (print_version): Ditto.
9320         * gengtype.c (create_file): Ditto.
9321         * doc/cpp.texi: Bump @copying's copyright year.
9322         * doc/cppinternals.texi: Ditto.
9323         * doc/gcc.texi: Ditto.
9324         * doc/gccint.texi: Ditto.
9325         * doc/gcov.texi: Ditto.
9326         * doc/install.texi: Ditto.
9327         * doc/invoke.texi: Ditto.
9328 \f
9329 Copyright (C) 2019 Free Software Foundation, Inc.
9330
9331 Copying and distribution of this file, with or without modification,
9332 are permitted in any medium without royalty provided the copyright
9333 notice and this notice are preserved.