gcc/ChangeLog

   1 2019-06-25  Martin Liska  <mliska@suse.cz>
   2
   3         PR tree-optimization/90978
   4         * df-scan.c (df_update_entry_block_defs): Remove dead else
   5         branch.
   6         (df_update_exit_block_uses): Likewise.
   7
   8 2019-06-25  Kwok Cheung Yeung  <kcy@codesourcery.com>
   9             Andrew Stubbs  <ams@codesourcery.com>
  10
  11         * config.gcc (thread_file): Set to gcn for AMD GCN.
  12         * config/gcn/gcn.c (gcn_emutls_var_init): New function.
  13         (TARGET_EMUTLS_VAR_INIT): New hook.
  14
  15 2019-06-25  Martin Jambor  <mjambor@suse.cz>
  16
  17         PR ipa/90939
  18         * ipa-cp.c (ipcp_bits_lattice::meet_with): Remove assert.
  19
  20 2019-06-25  Richard Biener  <rguenther@suse.de>
  21
  22         PR tree-optimization/90930
  23         * tree-ssa-reassoc.c (reassociate_bb): Only rewrite expression
  24         into parallel form in the last pass instance.
  25
  26 2019-06-25  Claudiu Zissulescu  <claziss@synopsys.com>
  27
  28         * config/arc/arc.c (arc_symbol_binds_local_p): New function.
  29         (arc_legitimize_pic_address): Simplify and cleanup the function.
  30         (SYMBOLIC_CONST): Remove.
  31         (prepare_pic_move): Likewise.
  32         (prepare_move_operands): Handle complex mov cases here.
  33         (arc_legitimize_address_0): Remove call to
  34         arc_legitimize_pic_address.
  35         (arc_legitimize_address): Remove call to
  36         arc_legitimize_tls_address.
  37         * config/arc/arc.md (movqi_insn): Allow Cm3 match.
  38         (movhi_insn): Likewise.
  39
  40 2019-06-25  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
  41
  42         * gcc/c-family/c-common.c (c_common_nodes_and_builtins): Define
  43         alternate "__intN__" name for "__intN" types.
  44         * gcc/c/c-parser.c (c_parse_init): Create keyword for "__intN__" type.
  45         * gcc/cp/lex.c (init_reswords): Likewise.
  46         * gcc/config/msp430/msp430.h: Use __int20__ for SIZE_TYPE and
  47         PTRDIFF_TYPE.
  48         * gcc/cp/cp-tree.h (cp_decl_specifier_seq): New bitfield "int_n_alt".
  49         * gcc/c/c-decl.c (declspecs_add_type): Don't pedwarn about "__intN" ISO
  50         C incompatibility if alternate "__intN__" form is used.
  51         * gcc/cp/decl.c (grokdeclarator): Likewise.
  52         * gcc/cp/parser.c (cp_parser_simple_type_specifier): Set
  53         decl_specs->int_n_alt if "__intN__" form is used.
  54         * gcc/gimple-ssa-sprintf.c (build_intmax_type_nodes): Accept "__intN__"
  55         format of "__intN" types for UINTMAX_TYPE.
  56         * gcc/brig/brig-lang.c (brig_build_c_type_nodes): Accept "__intN__"
  57         format of "__intN" types for SIZE_TYPE.
  58         * gcc/lto/lto-lang.c (lto_build_c_type_nodes): Likewise.
  59         * gcc/stor-layout.c (initialize_sizetypes): Accept "__intN__"
  60         format of "__intN" types for SIZETYPE.
  61         * gcc/tree.c (build_common_tree_nodes): Accept "__intN__"
  62         format of "__intN" types for SIZE_TYPE and PTRDIFF_TYPE.
  63         * gcc/doc/invoke.texi: Document that __intN__ disables pedantic
  64         warnings.
  65
  66 2019-06-25  Jan Hubicka  <jh@suse.cz>
  67
  68         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Check that
  69         base2_alias_set is non-zero before doing TBAA based disambiguation.
  70
  71 2019-06-25  Martin Liska  <mliska@suse.cz>
  72
  73         PR tree-optimization/90973
  74         * tree-vect-loop.c (vect_get_known_peeling_cost): Sum retval
  75         of prologue and epilogue.
  76
  77 2019-06-24  Jan Hubicka  <jh@suse.cz>
  78
  79         * ipa-utils.h (type_with_linkage_p): Verify that type is
  80         CXX_ODR_P.
  81         (odr_type_p): Remove extra return.
  82         * lto-streamer-out.c (hash_tree): Hash TYPE_CXX_ODR_P;
  83         hash STRING_FLAG only for arrays and integers.
  84         * tree-stremaer-in.c (unpack_ts_type_common_value_fields):
  85         Update analogously.
  86         * tree-streamer-out.c (pack_ts_type_common_value_fields):
  87         Likewise.
  88         * print-tree.c (print_node): Print cxx-odr-p
  89         and string-flag.
  90         * tree.c (need_assembler_name_p): Also check that type
  91         is CXX_ODR_TYPE_P
  92         (verify_type_variant): Update verification of SRING_FLAG;
  93         also check CXX_ODR_P.
  94         * tree.h (ARRAY_OR_INTEGER_TYPE_CHECK): New macro.
  95         (TYPE_STRING_FLAG): Use it.
  96         (TYPE_CXX_ODR_P): New macro.
  97         * dwarf2out.c (gen_array_type_die): First check that type
  98         is an array and then test string flag.
  99
 100 2019-06-24  Richard Biener  <rguenther@suse.de>
 101
 102         PR tree-optimization/90972
 103         * tree-vect-stmts.c (vect_init_vector): Handle CONSTANT_CLASS_P
 104         in common code, dealing with STRING_CST properly.
 105
 106 2019-06-24  Richard Biener  <rguenther@suse.de>
 107
 108         PR tree-optimization/90930
 109         PR tree-optimization/90316
 110         * tree-ssa-alias.c (walk_non_aliased_vuses): Add missing
 111         decrement of limit.
 112
 113 2019-06-24  Martin Sebor  <msebor@redhat.com>
 114
 115         * tree-pretty-print.h: Remove unnecessary punctuation characters
 116         from a diagnostic.
 117         * tree-ssa.c (release_defs_bitset): Correct preprocessor conditional.
 118
 119 2019-06-24  Jonathan Wakely  <jwakely@redhat.com>
 120
 121         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG)
 122         (FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN)
 123         (DBL_TRUE_MIN, LDBL_TRUE_MIN): Also define for C++17.
 124
 125 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
 126
 127         * config/rs6000/darwin.h: Handle GCC target pragma.
 128
 129 2019-06-23  Iain Sandoe  <iain@sandoe.co.uk>
 130
 131         * config/rs6000/darwin.h: (__PPC__, __PPC64__): New.
 132
 133 2019-06-22  Jeff Law  <law@redhat.com>
 134
 135         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
 136
 137 2019-06-22  Jan Hubicka  <jh@suse.cz>
 138
 139         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Do not
 140         give up on bitfields; continue searching for different refs
 141         appearing later.
 142
 143 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
 144
 145         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
 146         even zero DR_OFFSET, but DR_BASE_ADDRESS of POINTER_PLUS_EXPR
 147         containing the offset as possible simd lane access.  Look through
 148         widening conversion.  Move the
 149         TREE_CODE (DR_INIT (newdr)) == INTEGER_CST test earlier and reindent.
 150
 151 2019-06-21  Richard Biener  <rguenther@suse.de>
 152
 153         PR tree-optimization/90930
 154         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Set visited
 155         flag on new stmts to avoid re-processing them.
 156
 157 2019-06-21  Matthew Beliveau  <mbelivea@redhat.com>
 158
 159         PR c++/90875 - added -Wswitch-outside-range option
 160         * doc/invoke.texi (Wswitch-outside-range): Document.
 161
 162 2019-06-21  Jeff Law  <law@redhat.com>
 163
 164         PR tree-optimization/90949
 165         * tree-ssa-copy.c (fini_copy_prop): Use reset_flow_sensitive_info.
 166         * tree-ssanames.c (reset_flow_sensitive_info): Reset non-null state.
 167
 168 2019-06-21  Richard Biener  <rguenther@suse.de>
 169
 170         PR debug/90914
 171         * dwarf2out.c (prune_unused_types_walk): Always consider
 172         function-local extern declarations as used.
 173
 174 2019-06-21  Richard Biener  <rguenther@suse.de>
 175
 176         PR tree-optimization/90913
 177         * tree-vect-loop-manip.c (vect_loop_versioning): Do not re-use
 178         the scalar variant of if-conversion versioning.
 179
 180 2019-06-21  Jakub Jelinek  <jakub@redhat.com>
 181
 182         * omp-low.c (lower_rec_simd_input_clauses): Add rvar2 argument,
 183         create another "omp scan inscan exclusive" array if
 184         !ctx->scan_inclusive.
 185         (lower_rec_input_clauses): Handle exclusive scan inscan reductions.
 186         (lower_omp_scan): Likewise.
 187         * tree-vectorizer.h (struct _stmt_vec_info): Use 3-bit instead of
 188         2-bit bitfield for simd_lane_access_p member.
 189         * tree-vect-data-refs.c (vect_analyze_data_refs): Also handle
 190         aux == (void *)-4 as simd lane access.
 191         * tree-vect-stmts.c (check_scan_store): Handle exclusive scan.  Update
 192         comment with permutations to show the canonical permutation order.
 193         (vectorizable_scan_store): Handle exclusive scan.
 194         (vectorizable_store): Call vectorizable_scan_store even for
 195         STMT_VINFO_SIMD_LANE_ACCESS_P > 3.
 196
 197         * tree-vect-data-refs.c (vect_find_stmt_data_reference): Handle
 198         "omp simd array" arrays with one byte elements.
 199
 200 2019-06-20  Uroš Bizjak  <ubizjak@gmail.com>
 201
 202         * config/alpha/alpha.md (@unaligned_store<mode>):
 203         Rename from unaligned_store<mode>.
 204         (@reload_in<mode>_aligned): Rename from reload_in<mode>_aligned.
 205         * config/alpha/sync.md (@load_locked_<mode>): Rename
 206         from load_locked_<mode>.
 207         (@store_conditional_<mode>): Rename from store_conditional_<mode>.
 208         (@atomic_compare_and_swap<mode>_1): Rename
 209         from atomic_compare_and_swap<mode>_1.
 210         (@atomic_exchange<mode>_1): Rename from atomic_exchange<mode>_1.
 211         * config/alpha/alpha.c (alpha_expand_mov_nobwx):
 212         Use gen_reload_in_aligned and gen_unaligned_store.
 213         (emit_load_locked): Remove.
 214         (emit_store_conditional): Ditto.
 215         (alpha_split_atomic_op): Use gen_load_locked and gen_store_conditional.
 216         (alpha_split_compare_and_swap): Ditto.
 217         (alpha_expand_compare_and_swap_12): Use gen_atomic_compare_and_swap_1.
 218         (alpha_split_compare_and_swap_12): Use gen_load_locked
 219         and gen_store_conditional.
 220         (alpha_split_atomic_exchange): Ditto.
 221         (alpha_expand_atomic_exchange_12): Use gen_atomic_exchange_1.
 222         (alpha_split_atomic_exchange_12): Use gen_load_locked
 223         and gen_store_conditional.
 224
 225 2019-06-20  Richard Earnshaw  <rearnsha@arm.com>
 226
 227         * config/aarch64/aarch64-errata.h: New file.
 228         * config/aarch64/aarch64-elf-raw.h (CA53_ERR_835769_SPEC): Delete.
 229         (CA53_ERR_843419_SPEC): Delete.
 230         (LINK_SPEC): Use AARCH64_ERRATA_LINK_SPEC instead of above.
 231         * config/aarch64/aarch64-linux.h: Likewise.
 232         * config/aarch64/aarch64-netbsd.h: Likewise.
 233         * config/aarch64/aarch64-freebsd.h: Likewise.
 234
 235 2019-06-20  Marek Polacek  <polacek@redhat.com>
 236
 237         * config/sh/sh.c (sh2a_function_vector_p): Use get_attribute_name.
 238
 239 2019-06-20  Michael Meissner  <meissner@linux.ibm.com>
 240
 241         * config/rs6000/rs6000.md (isa attribute): Add support for
 242         for a future processor.
 243
 244 2019-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 245
 246         PR target/54855
 247         * config/i386/i386-expand.c (ix86_expand_vector_set): Generate
 248         standard scalar operation pattern for V2DF.
 249         * config/i386/sse.md (*<sse>_vm<plusminus_insn><mode>3): New.
 250         (*<sse>_vm<multdiv_mnemonic><mode>3): Likewise.
 251         (*ieee_<ieee_maxmin><mode>3): Likewise.
 252         (vec_setv2df_0): Likewise.
 253
 254 2019-06-20  Jan Hubicka  <jh@suse.cz>
 255
 256         * tree-ssa-alias.c (aliasing_component_refs_p): Remove ref2_is_decl
 257         parameter; it has no use in gimple memory model.
 258         (indirect_ref_may_alias_decl_p): Update.
 259
 260 2019-06-20  Martin Liska  <mliska@suse.cz>
 261
 262         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): Decrease
 263         to 10.
 264
 265 2019-06-20  Jakub Jelinek  <jakub@redhat.com>
 266
 267         * tree-vect-stmts.c (enum scan_store_kind): New type.
 268         (scan_store_can_perm_p): Change last argument from int * to
 269         vec<enum scan_store_kind> *, record precisely which permutations
 270         need whole vector left shift or that plus VEC_COND_EXPR.
 271         (vectorizable_scan_store): Adjust caller, use whole vector left shift
 272         and additional VEC_COND_EXPR only for those iterations that need it.
 273
 274 2019-06-20  Alexandre Oliva <oliva@adacore.com>
 275
 276         * config.gcc: Fix ARM --with-fpu checking and error message.
 277
 278 2019-06-19  Marek Polacek  <polacek@redhat.com>
 279
 280         PR c++/60364 - noreturn after first decl not diagnosed.
 281         * attribs.c (get_attribute_namespace): No longer static.
 282         (decl_attributes): Avoid shadowing.  Preserve the C++11 form for C++11
 283         attributes.
 284         (attr_noreturn_exclusions): Make it extern.
 285         * attribs.h (get_attribute_namespace): Declare.
 286         * tree-inline.c (function_attribute_inlinable_p): Use
 287         get_attribute_name.
 288
 289 2019-06-19  Martin Sebor  <msebor@redhat.com>
 290
 291         PR tree-optimization/90626
 292         * tree-ssa-strlen.c (strxcmp_unequal): Fix typos.
 293
 294         PR tree-optimization/90626
 295         * tree-ssa-strlen.c (strxcmp_unequal): New function.
 296         (handle_builtin_string_cmp): Call it.
 297
 298 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
 299
 300         * config/darwin.h (DRIVER_SELF_SPECS): Add RDYNAMIC, DARWIN_PIE_SPEC
 301         and DARWIN_NOPIE_SPEC.
 302         (RDYNAMIC): New, modified from DARWIN_EXPORT_DYNAMIC.
 303         (DARWIN_PIE_SPEC): Collate from darwin.h and darwin9.h.
 304         (DARWIN_NOPIE_SPEC): Collate from darwin10.h.
 305         (DARWIN_NOCOMPACT_UNWIND): New from darwin10.h
 306         (DARWIN_EXPORT_DYNAMIC): Delete.
 307         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move no_compact_unwind
 308         and pie options processing to  darwin.h.
 309         * config/darwin9.h (DARWIN_PIE_SPEC): Move pie processing to darwin.h
 310
 311 2019-06-19  Iain Sandoe  <iain@sandoe.co.uk>
 312
 313         * config/darwin-driver.c (darwin_driver_init): Fix off-by-one errors
 314         in computing the number of options to be moved.
 315
 316 2019-06-19  Maya Rashish  <coypu@sdf.org>
 317
 318         *  config/arm/netbsd-elf.h (SYSARCH_ARM_SYNC_ICACHE): New definition.
 319         (CLEAR_INSN_CACHE) Use it.
 320
 321 2019-06-19  Uroš Bizjak  <ubizjak@gmail.com>
 322
 323         * config/i386/i386.md (cmpstrnsi): Remove dead code.
 324
 325 2019-06-19  Wilco Dijkstra  <wdijkstr@arm.com>
 326
 327         PR middle-end/84521
 328         * builtins.c (expand_builtin_setjmp_setup): Save
 329         hard_frame_pointer_rtx.
 330         (expand_builtin_setjmp_receiver): Do not emit sfp = fp move since we
 331         restore fp.
 332         * function.c (expand_function_start): Save hard_frame_pointer_rtx for
 333         non-local goto.
 334         * lra-eliminations.c (eliminate_regs_in_insn): Remove sfp = fp
 335         elimination code.
 336         (remove_reg_equal_offset_note): Remove unused function.
 337         * reload1.c (eliminate_regs_in_insn): Remove sfp = hfp elimination
 338         code.
 339         * config/arc/arc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
 340         (arc_builtin_setjmp_frame_value): Remove function.
 341         * config/avr/avr.c  (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
 342         (avr_builtin_setjmp_frame_value): Remove function.
 343         * config/i386/i386.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
 344         (ix86_builtin_setjmp_frame_value): Remove function.
 345         * config/pa/pa.md (nonlocal_goto): Remove FP adjustment.
 346         * config/sparc/sparc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
 347         (sparc_builtin_setjmp_frame_value): Remove function.
 348         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Remove.
 349         (vax_builtin_setjmp_frame_value): Remove function.
 350         * config/xtensa/xtensa.c (xtensa_frame_pointer_required): Force frame
 351         pointer if has_nonlocal_label.
 352
 353 2019-06-19  Jakub Jelinek  <jakub@redhat.com>
 354
 355         * doc/md.texi: Document vec_shl_<mode> pattern.
 356         * optabs.def (vec_shl_optab): New optab.
 357         * optabs.c (shift_amt_for_vec_perm_mask): Add shift_optab
 358         argument, if == vec_shl_optab, check for left whole vector shift
 359         pattern rather than right shift.
 360         (expand_vec_perm_const): Add vec_shl_optab support.
 361         * optabs-query.c (can_vec_perm_var_p): Mention also vec_shl optab
 362         in the comment.
 363         * tree-vect-generic.c (lower_vec_perm): Support permutations which
 364         can be handled by vec_shl_optab.
 365         * tree-vect-stmts.c (scan_store_can_perm_p): New function.
 366         (check_scan_store): Use it.
 367         (vectorizable_scan_store): If target can't do normal permutations,
 368         try to use whole vector left shifts and if needed a VEC_COND_EXPR
 369         after it.
 370         * config/i386/sse.md (vec_shl_<mode>): New expander.
 371
 372         * omp-low.c (lower_rec_input_clauses): Handle references properly
 373         in inscan clauses.
 374         (lower_omp_scan): Likewise.
 375
 376 2019-06-19  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 377
 378         * tree-ssa-address.c (preferred_mem_scale_factor): Handle when
 379         mem_mode is BLKmode.
 380
 381 2019-06-18  Max Filippov  <jcmvbkbc@gmail.com>
 382
 383         PR target/90922
 384         * config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
 385         pointer adjustment for the case of no callee-saved registers and
 386         stack frame bigger than 128 bytes.
 387
 388 2019-06-18  Thomas Schwinge  <thomas@codesourcery.com>
 389
 390         PR middle-end/90862
 391         * omp-low.c (check_omp_nesting_restrictions): Handle
 392         GF_OMP_TARGET_KIND_OACC_DECLARE.
 393
 394 2019-06-18  Uroš Bizjak  <ubizjak@gmail.com>
 395
 396         * config/i386/i386.md (@cmp<mode>_1): Rename from cmp<mode>_1.
 397         (@add<mode>3_carry): Rename from add<mode>3_carry.
 398         (@sub<mode>3_carry_ccc): Rename from sub<mode>3_carry_ccc.
 399         (@sub<mode>3_carry_ccgz): Rename form sub<mode>3_carry_ccgz.
 400         (@copysign<mode>3_const): Rename from copysign<mode>3_const.
 401         (@copysign<mode>3_var): Rename from copysign<mode>3_var.
 402         (@xorsign<mode>3_1): Rename from xorsign<mode>3_1.
 403         (@x86_shift<mode>_adj_1): Rename from x86_shift<mode>_adj_1.
 404         (@x86_shift<mode>_adj_2): Rename from x86_shift<mode>_adj_2.
 405         (@x86_shift<mode>_adj_3): Rename from x86_shift<mode>_adj_3.
 406         (cmpstrnsi): Use gen_cmp_1.
 407         (lwp_slwpcb): Use gen_lwp_slwpcb_1.
 408         (@lwp_slwpcb<mode>_1): Rename from lwp_slwpcb<mode>_1.
 409         (@umonitor_<mode>): Rename from umonitor_<mode>.
 410         * config/i386/i386-expand.c (ix86_expand_copysign):
 411         Use gen_copysign3_const and gen_copysign3_var.
 412         (ix86_expand_xorsign): Use gen_xorsign3_1.
 413         (ix86_expand_branch): Use gen_sub3_carry_ccc,
 414         gen_sub3_carry_ccgz and gen_cmp1.
 415         (ix86_expand_int_addcc): Use gen_sub3_carry and gen_add3_carry.
 416         (ix86_split_ashl): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_2.
 417         (ix86_split_ashr): Use gen_x86_shift_adj_1 and gen_x86_shift_adj_3.
 418         (ix86_split_lshr): Ditto.
 419         (ix86_expand_builtin) <case IX86_BUILTIN_UMONITOR>: Use gen_umonitor.
 420
 421 2019-06-18  Jason Merrill  <jason@redhat.com>
 422
 423         * tree.c (build_constructor): Add MEM_STAT_DECL.
 424
 425 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
 426
 427         * config/aarch64/aarch64-modes.def (CC_NZC): New CC_MODE.
 428         * config/aarch64/aarch64-sve.md (*<optab><mode>3_cc)
 429         (ptest_ptrue<mode>, while_ult<GPI:mode><PRED_ALL:mode>)
 430         (*while_ult<GPI:mode><PRED_ALL:mode>_cc, *cmp<cmp_op><mode>)
 431         (*cmp<cmp_op><mode>_ptest, *cmp<cmp_op><mode>_cc)
 432         (*pred_cmp<cmp_op><mode>_combine, *pred_cmp<cmp_op><mode>)
 433         (vec_cmp<mode><vpred>, vec_cmpu<mode><vpred>, cbranch<mode>4):
 434         Use CC_NZC instead of CC.
 435         * config/aarch64/aarch64.md (condjump): Print a '.' in SVE conditions.
 436         * config/aarch64/aarch64.c (aarch64_sve_condition_codes): New variable.
 437         (aarch64_print_operand): Handle E_CC_NZCmode.
 438         (aarch64_emit_sve_ptrue_op_cc): Use gen_set_clobber_cc_nzc instead
 439         of gen_set_clobber_cc.
 440
 441 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
 442
 443         * config/aarch64/aarch64-sve.md: Tabify file.
 444
 445 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
 446
 447         * config/aarch64/aarch64-protos.h (aarch64_pfalse_reg): Declare.
 448         * config/aarch64/aarch64.c (aarch64_pfalse_reg): New function.
 449         * config/aarch64/aarch64-sve.md: Use it.
 450
 451 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
 452
 453         * config/aarch64/aarch64-protos.h (aarch64_ptrue_reg): Declare.
 454         * config/aarch64/aarch64.c (aarch64_ptrue_reg): New functions.
 455         (aarch64_expand_sve_widened_duplicate, aarch64_expand_sve_mem_move)
 456         (aarch64_maybe_expand_sve_subreg_move, aarch64_evpc_rev_local)
 457         (aarch64_expand_sve_vec_cmp_int): Use it.
 458         (aarch64_expand_sve_vec_cmp_float): Likewise.
 459         * config/aarch64/aarch64-sve.md: Likewise throughout.
 460
 461 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
 462             Kugan Vivekanandarajah  <kuganv@linaro.org>
 463
 464         * config/aarch64/aarch64-sve.md (*cond_<optab><mode>_0): Delete.
 465         (*cond_<optab><mode>_z): Fold into...
 466         (*cond_<optab><mode>_any): ...here.  Also handle cases in which
 467         operand 4 can be tied to operand 0 (either inherently or via RA).
 468
 469 2019-06-18  Richard Biener  <rguenther@suse.de>
 470
 471         PR debug/90900
 472         * cfgexpand.c (expand_debug_expr): Treat NOTE_P DECL_RTL
 473         as if optimized away.
 474
 475 2019-06-18  Tom de Vries  <tdevries@suse.de>
 476
 477         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Remove.
 478         * config/nvptx/nvptx.c (gen_set_softstack_insn): Remove.
 479         * config/nvptx/nvptx.md (define_insn "set_softstack_<mode>"):
 480         Rename to ...
 481         (define_insn "@set_softstack_<mode>"): ... this.
 482         (define_insn "omp_simt_enter_<mode>"): Rename to ...
 483         (define_insn "@omp_simt_enter_<mode>"): ... this.
 484         (define_insn "omp_simt_exit_<mode>"): Rename to ...
 485         (define_insn "@omp_simt_exit_<mode>"): ... this.
 486
 487 2019-06-18  Richard Sandiford  <richard.sandiford@arm.com>
 488
 489         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): Remove
 490         vf parameter.  Restore the previous iv step of nscalars_step,
 491         but give it iv_type rather than compare_type.  Tweak code order
 492         to match the comments.
 493         (vect_set_loop_condition_masked): Update accordingly.
 494         * tree-vect-loop.c (vect_verify_full_masking): Use "unsigned int"
 495         for iv_precision.  Tweak comment formatting.
 496
 497 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
 498
 499         * config/darwin.c: Strip trailing whitespace.
 500
 501 2019-06-18  Iain Sandoe  <iain@sandoe.co.uk>
 502
 503         * config/darwin.c (darwin_emit_unwind_label): New default to false.
 504         (darwin_override_options): Set darwin_emit_unwind_label as needed.
 505
 506 2019-06-18  Martin Jambor  <mjambor@suse.cz>
 507
 508         PR ipa/90889
 509         * ipa-cp.c (ignore_edge_p): Do not ignore edges when only the
 510         caller does not have flag_ipa_cp set.
 511
 512 2019-06-18  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 513
 514         * config/aarch64/aarch64-sve.md (mask_fold_left_plus_<mode>): Renamed
 515         from "*fold_left_plus_<mode>", updated operands order.
 516         * doc/md.texi (mask_fold_left_plus_@var{m}): Documented new optab.
 517         * internal-fn.c (mask_fold_left_direct): New define.
 518         (expand_mask_fold_left_optab_fn): Likewise.
 519         (direct_mask_fold_left_optab_supported_p): Likewise.
 520         * internal-fn.def (MASK_FOLD_LEFT_PLUS): New internal function.
 521         * optabs.def (mask_fold_left_plus_optab): New optab.
 522         * tree-vect-loop.c (mask_fold_left_plus_optab): New function to get a
 523         masked internal_fn for a reduction ifn.
 524         (vectorize_fold_left_reduction): Add support for masking reductions.
 525
 526 2019-06-18  Kewen Lin  <linkw@gcc.gnu.org>
 527
 528         PR middle-end/80791
 529         * target.def (predict_doloop_p): New hook.
 530         * targhooks.h (default_predict_doloop_p): New declaration.
 531         * targhooks.c (default_predict_doloop_p): New function.
 532         * doc/tm.texi.in (TARGET_PREDICT_DOLOOP_P): New hook.
 533         * doc/tm.texi: Regenerate.
 534         * config/rs6000/rs6000.c (rs6000_predict_doloop_p): New function.
 535         (TARGET_PREDICT_DOLOOP_P): New macro.
 536         * tree-ssa-loop-ivopts.c (generic_predict_doloop_p): New function.
 537
 538 2019-06-17  Jakub Jelinek  <jakub@redhat.com>
 539
 540         * omp-low.c (struct omp_context): Add scan_inclusive field.
 541         (scan_omp_1_stmt) <case GIMPLE_OMP_SCAN>: Set ctx->scan_inclusive
 542         if inclusive scan.
 543         (struct omplow_simd_context): Add lastlane member.
 544         (lower_rec_simd_input_clauses): Add rvar argument, handle inscan
 545         reductions.  Build 2 or 3 argument .GOMP_SIMD_LANE calls rather than
 546         1 or 2 argument.
 547         (lower_rec_input_clauses): Handle inscan reductions in simd contexts.
 548         (lower_lastprivate_clauses): Set TREE_THIS_NOTRAP on the ARRAY_REF.
 549         (lower_omp_scan): New function.
 550         (lower_omp_1) <case GIMPLE_OMP_SCAN>: Use lower_omp_scan.
 551         * tree-ssa-dce.c (eliminate_unnecessary_stmts): For IFN_GOMP_SIMD_LANE
 552         check 3rd argument if present rather than 2nd.
 553         * tree-vectorizer.h (struct _loop_vec_info): Add scan_map member.
 554         (struct _stmt_vec_info): Change simd_lane_access_p from bool into
 555         2-bit bitfield.
 556         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 557         scan_map.  For IFN_GOMP_SIMD_LANE check 3rd argument if present rather
 558         than 2nd.
 559         (_loop_vec_info::~_loop_vec_info): Delete scan_map.
 560         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Allow two
 561         different STMT_VINFO_SIMD_LANE_ACCESS_P refs if they have the same
 562         init.
 563         (vect_find_stmt_data_reference): Encode in ->aux the 2nd
 564         IFN_GOMP_SIMD_LANE argument.
 565         (vect_analyze_data_refs): Set STMT_VINFO_SIMD_LANE_ACCESS_P from the
 566         encoded ->aux value.
 567         * tree-vect-stmts.c: Include attribs.h.
 568         (vectorizable_call): Adjust comment about IFN_GOMP_SIMD_LANE.
 569         (scan_operand_equal_p, check_scan_store, vectorizable_scan_store): New
 570         functions.
 571         (vectorizable_load): For STMT_VINFO_SIMD_LANE_ACCESS_P tests use != 0.
 572         (vectorizable_store): Handle STMT_VINFO_SIMD_LANE_ACCESS_P > 1.
 573
 574 2019-06-17  Uroš Bizjak  <ubizjak@gmail.com>
 575
 576         PR target/62055
 577         * config/i386/i386.md (*nabstf2_1): New insn pattern.
 578         (*nabs<mode>2_1): Ditto.
 579         (nabs sse-reg splitter): New splitter.
 580         * config/i386/sse.md (*nabs<mode>2): New insn_and_split pattern.
 581
 582 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
 583
 584         PR bootstrap/90873.
 585         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Fix
 586         TMR index check.
 587
 588 2019-06-17  Tom de Vries  <tdevries@suse.de>
 589
 590         * config/nvptx/nvptx-protos.h (gen_set_softstack_insn): Declare.
 591         * config/nvptx/nvptx.c (gen_set_softstack_insn): New function.
 592         * config/nvptx/nvptx.md (define_insn "set_softstack_insn"): Rename to
 593         ...
 594         (define_insn "set_softstack_<mode>"): ... this.  Use P iterator on
 595         match_operand 0.
 596         (define_insn "omp_simt_enter_insn"): Rename to ...
 597         (define_insn "omp_simt_enter_<mode>"): ... this.  Use P iterator on
 598         match_operand 0, 1 and 2, as well as the unspec_volatile result.
 599         (define_expand "omp_simt_enter): Use gen_omp_simt_enter_di and
 600         gen_omp_simt_enter_si.
 601         (define_expand "omp_simt_exit"): New.
 602         (define_insn "omp_simt_exit"): Rename to ...
 603         (define_insn "omp_simt_exit_<mode>"): ... this.  Use P iterator on
 604         match_operand 0.
 605
 606 2019-06-17  Matthew Green  <mrg@eterna.com.au>
 607             Maya Rashish  <coypu@sdf.org>
 608
 609         * config.gcc (aarch64*-*-netbsd*): New target.
 610         * config/aarch64/aarch64-netbsd.h: New file.
 611         * config/aarch64/t-aarch64-netbsd: Likewise.
 612
 613 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
 614
 615         * tree-ssa-alias.c (aliasing_component_refs_p): Consider only
 616         the access path from base to first VIEW_CONVERT_EXPR or
 617         BIT_FIELD_REF.
 618
 619 2019-06-17  Jan Hubicka  <hubicka@ucw.cz>
 620
 621         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Also truncate
 622         access path on BIT_FIELD_REFs.
 623
 624 2019-06-17  Martin Liska  <mliska@suse.cz>
 625
 626         PR ipa/90874
 627         * ipa-utils.h (odr_type_p): Remove dead code.
 628
 629 2019-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 630
 631         * configure.ac (ld_vers) <*-*-solaris2*>: Remove support for
 632         alternative Solaris 11.4 format.
 633         * configure: Regenerate.
 634
 635 2019-06-17  Tom de Vries  <tdevries@suse.de>
 636
 637         * config/nvptx/nvptx.md (define_insn "call_insn"): Rename to ...
 638         (define_insn "call_insn_<mode>"): ... this.  Use P iterator on
 639         match_operand 0.
 640         (define_insn "call_value_insn"): Rename to ...
 641         (define_insn "call_value_insn_<mode>"): this.  Use P iterator on
 642         match_operand 0.
 643         (define_insn "nvptx_red_partition"): Set unspec_volatile result mode to
 644         DI.
 645
 646 2019-06-16  John David Anglin  <danglin@gcc.gnu.org>
 647
 648         PR middle-end/64242
 649         * config/pa/pa.md (nonlocal_goto): Restore frame pointer last.  Add
 650         frame clobbers and schedule block.
 651         (builtin_longjmp): Likewise.
 652
 653 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 654
 655         * config/msp430/msp430.c (msp430_expand_helper): Setup arguments which
 656         describe how to perform MSPABI compliant 64-bit shift.
 657         * config/msp430/msp430.md (ashldi3): New define_expand.
 658         (ashrdi3): New define_expand.
 659         (lshrdi3): New define_expand.
 660
 661 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 662
 663         * doc/sourcebuild.texi: Document new effective target keyword
 664         longlong64.
 665
 666 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
 667
 668         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p,
 669         indirect_refs_may_alias_p): Revert accidental commits.
 670
 671         * tree-ssa-alias.c (aliasing_component_refs_p): Watch for arrays
 672         at the end of structures.
 673
 674 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
 675
 676         * config/darwin.c (machopic_indirect_call_target): Use renamed
 677         darwin_picsymbol_stubs to decide on output.
 678         (darwin_override_options): Handle darwin_picsymbol_stubs.
 679         * config/darwin.h (MIN_LD64_OMIT_STUBS): New.
 680         (LD64_VERSION): Revise default.
 681         * config/darwin.opt: (mpic-symbol-stubs): New option.
 682         (darwin_picsymbol_stubs): New variable.
 683         * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
 684         rename to TARGET_MACHO_PICSYM_STUBS.
 685         * config/i386/i386.c (output_pic_addr_const): Likewise.
 686         * config/i386/i386.h Likewise.
 687         * config/rs6000/darwin.h: Likewise.
 688         * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
 689         darwin_picsymbol_stubs.
 690
 691 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
 692
 693         * config/darwin.opt (prebind, noprebind, seglinkedit,
 694         noseglinkedit): Add RejectNegative.
 695
 696 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
 697
 698         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
 699         in my previous patch.
 700
 701 2019-06-16  Tom de Vries  <tdevries@suse.de>
 702
 703         PR tree-optimization/89376
 704         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
 705
 706 2019-06-15  Maya Rashish  <coypu@sdf.org>
 707
 708         * doc/invoke.texi (Spec Files): Update location of the
 709         Fortran spec file.
 710
 711 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
 712
 713         * doc/extend.texi (Common Function Attributes): Clarify
 714         no_sanitize.  Fix grammar.
 715
 716 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
 717
 718         * tree-ssa-alias.c (alias_stats): Add
 719         nonoverlapping_component_refs_p_may_alias,
 720         nonoverlapping_component_refs_p_no_alias,
 721         nonoverlapping_component_refs_of_decl_p_may_alias,
 722         nonoverlapping_component_refs_of_decl_p_no_alias.
 723         (dump_alias_stats): Dump them.
 724         (nonoverlapping_component_refs_of_decl_p): Add stats.
 725         (nonoverlapping_component_refs_p): Add stats; do not stop on first
 726         ARRAY_REF.
 727
 728 2019-06-15  Uroš Bizjak  <ubizjak@gmail.com>
 729
 730         * config/i386/i386.md (and<mode>3): Generate zero-extends for
 731         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
 732         only.
 733         (*anddi3_doubleword): Split before reload. Merge with
 734         anddi->zext pre-reload splitter.
 735         (*andndi3_doubleword): Split before reload.
 736         (*<code>di3_doubleword): Ditto.
 737         (*one_cmpldi2_doubleword): Ditto.
 738
 739 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
 740
 741         PR middle-end/90779
 742         * gimplify.c: Include omp-offload.h and context.h.
 743         (gimplify_bind_expr): Add "omp declare target" attributes
 744         to static block scope variables inside of target region or target
 745         functions.
 746
 747 2019-06-15  Tom de Vries  <tdevries@suse.de>
 748
 749         PR tree-optimization/90009
 750         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
 751         Return NULL if bb contains IFN_UNIQUE.
 752
 753 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
 754
 755         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
 756         (un): New define_mode_attr.
 757         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
 758         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
 759         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
 760         merge into ...
 761         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
 762
 763 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
 764
 765         * config/darwin.opt: Add RejectNegative where needed, reorder
 766         and add minimal functional descriptions.
 767
 768 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 769
 770         PR rtl-optimization/90765
 771         * calls.c (update_stack_alignment_for_call): New function.
 772         (expand_call): Call update_stack_alignment_for_call when
 773         outgoing parameter is passed in the stack.
 774         (emit_library_call_value_1): Likewise.
 775         * function.c (locate_and_pad_parm): Don't update
 776         stack_alignment_needed and preferred_stack_boundary.
 777
 778 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 779
 780         PR target/90877
 781         * config/i386/i386-features.c
 782         (dimode_scalar_chain::compute_convert_gain): Replace
 783         mmxsse_to_integer with sse_to_integer.
 784         * config/i386/i386.c (ix86_register_move_cost): Verify that
 785         moves between MMX and non-MMX units require secondary memory.
 786         Correct costs of moves between SSE and integer units.
 787         * config/i386/i386.h (processor_costs): Rename cost of moving
 788         SSE register to integer to sse_to_integer.  Rename cost of
 789
 790 2019-06-14  Matt Thomas  <matt@3am-software.com>
 791             Matthew Green  <mrg@eterna.com.au>
 792             Nick Hudson  <skrll@netbsd.org>
 793             Maya Rashish  <coypu@sdf.org>
 794             Richard Earnshaw  <rearnsha@arm.com>
 795
 796         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
 797         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
 798         * config/arm/netbsd-eabi.h: New file.
 799         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
 800         redefining.
 801         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
 802         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
 803         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
 804         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
 805
 806 2019-06-14  Richard Biener  <rguenther@suse.de>
 807
 808         * tree-loop-distribution.c (classify_partition): Return
 809         whether a reduction appeared in all partitions and do not
 810         stop builtin detection because of this.
 811         (distribute_loop): Sort a non-builtin partition last if
 812         there's a reduction in all partitions and make sure the
 813         partition prevailing as last is not a builtin.
 814
 815 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
 816
 817         PR ipa/90401
 818         * ipa-prop.c (add_to_agg_contents_list): New function.
 819         (clobber_by_agg_contents_list_p): Likewise.
 820         (extract_mem_content): Likewise.
 821         (get_place_in_agg_contents_list): Delete.
 822         (determine_known_aggregate_parts): Renamed from
 823         determine_locally_known_aggregate_parts.  New parameter
 824         aa_walk_budget_p.
 825
 826 2019-06-13  Martin Sebor  <msebor@redhat.com>
 827
 828         PR tree-optimization/90662
 829         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
 830         to the same type.
 831
 832 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 833
 834         PR bootstrap/90873
 835         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
 836         dbase is not TARGET_MEM_REF.
 837
 838 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 839
 840         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
 841         Update all uses.
 842         (and<mode>3): Use gen_extend_insn instead of indirect functions.
 843         Do not generate DImode extends for 32bit targets.
 844         (and->zext post-reload splitter): Use gen_extend_insn
 845         instead of indirect functions.
 846         (anddi->zext pre-reload splitter): New.
 847         (*zext<mode>_doubleword_and): Remove.
 848         (*zext<mode>_doubleword): Ditto.
 849         (*zextsi_doubleword): Dittto.
 850
 851 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 852
 853         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
 854         Use gen_sub3_insn instead of indirect function.
 855         (ix86_expand_ashl_const): Use gen_add2_insn instead of
 856         indirect function.
 857         (ix86_adjust_counter): Ditto.
 858
 859 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
 860             Lijia He  <helijia@linux.ibm.com>
 861
 862         PR tree-optimization/77820
 863         * tree-ssa-threadedge.c
 864         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
 865         function.
 866         (thread_across_edge): Add call to
 867         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
 868
 869 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
 870
 871         * config/darwin-driver.c (validate_macosx_version_min): New.
 872         (darwin_default_min_version): Cleanup and validate supplied version.
 873         (darwin_driver_init): Likewise and push cleaned version into opts.
 874
 875 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 876
 877         PR tree-optimization/90869
 878         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
 879         converts in MEM_REF referencing decl rather than view converts
 880         from decl type to MEM_REF type.
 881
 882 2019-06-13  Richard Biener  <rguenther@suse.de>
 883
 884         PR tree-optimization/90856
 885         * tree-sra.c (build_ref_for_model): Only use
 886         build_reconstructed_reference when address-spaces are the same.
 887
 888 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
 889
 890         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
 891         wrap ei variable name in the declaration in ()s.
 892         (nvptx_single): Actually use mode_label variable.  Formatting fix.
 893
 894 2019-06-13  Richard Biener  <rguenther@suse.de>
 895
 896         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
 897         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
 898         also return the condition stmt.
 899         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
 900         loop we can version and version that, reusing the loop version
 901         created by if-conversion instead of versioning again.
 902
 903 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
 904
 905         * gimple-loop-versioning.cc (prune_loop_conditions): Use
 906         may_contain_p.
 907         * tree-vrp (value_range_base::may_contain_p): Call into
 908         value_inside_range.
 909         (value_inside_range): Make private inside value_range_base class.
 910         Take min/max from *this.
 911         (range_includes_p): Remove.
 912         * tree-vrp.h (value_range_base): Add value_inside_range.
 913         (range_includes_p): Remove.
 914         (range_includes_zero_p): Call may_contain_p.
 915         * vr-values.c (compare_range_with_value): Same.
 916
 917 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
 918
 919         * doc/extend.texi (ARC Function Attributes): Update info.
 920
 921 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
 922
 923         PR tree-optimization/89713
 924         * doc/invoke.texi (-ffinite-loops): Document new option.
 925         * common.opt (-ffinite-loops): New option.
 926         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
 927         IFN_GOACC_LOOP calls as necessary.
 928         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
 929         is finite.
 930         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
 931         IFN_GOACC_LOOP call is not used.
 932         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
 933
 934 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 935
 936         PR target/88838
 937         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
 938         compare_type is not with Pmode size, we will create an IV with
 939         Pmode size with truncated use (i.e. converted to the correct type).
 940         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
 941         (vect_iv_limit_for_full_masking): New. Factored out of
 942         vect_set_loop_condition_masked.
 943         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
 944         (vect_iv_limit_for_full_masking): Declare.
 945
 946 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 947
 948         PR target/88834
 949         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
 950         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
 951         (get_alias_ptr_type_for_ptr_address): Likewise.
 952         (add_iv_candidate_for_use): Add scaled index candidate if useful.
 953         * tree-ssa-address.c (preferred_mem_scale_factor): New.
 954         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
 955         allow_reg_index_p.
 956
 957 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 958
 959         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
 960
 961 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
 962
 963         * common/config/pru/pru-common.c: New file.
 964         * config.gcc: Add PRU target.
 965         * config/pru/alu-zext.md: New file.
 966         * config/pru/constraints.md: New file.
 967         * config/pru/predicates.md: New file.
 968         * config/pru/pru-opts.h: New file.
 969         * config/pru/pru-passes.c: New file.
 970         * config/pru/pru-pragma.c: New file.
 971         * config/pru/pru-protos.h: New file.
 972         * config/pru/pru.c: New file.
 973         * config/pru/pru.h: New file.
 974         * config/pru/pru.md: New file.
 975         * config/pru/pru.opt: New file.
 976         * config/pru/t-pru: New file.
 977         * doc/extend.texi: Document PRU pragmas.
 978         * doc/invoke.texi: Document PRU-specific options.
 979         * doc/md.texi: Document PRU asm constraints.
 980
 981 2019-06-12  Martin Sebor  <msebor@redhat.com>
 982
 983         PR middle-end/90676
 984         * tree-pretty-print.c (dump_mem_ref): New function.  Include
 985         MEM_REF type in output when different size than operand.
 986         (dump_generic_node): Move code to dump_mem_ref and call it.
 987
 988 2019-06-12  Martin Sebor  <msebor@redhat.com>
 989
 990         PR tree-optimization/90662
 991         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
 992         to arrays.
 993
 994 2019-06-12  Tom de Vries  <tdevries@suse.de>
 995
 996         PR tree-optimization/90009
 997         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 998
 999 2019-06-12  Martin Liska  <mliska@suse.cz>
1000
1001         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
1002         the created map.
1003         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
1004         * mem-stats.h (mem_alloc_description::mem_alloc_description):
1005         Do not sanitize created maps.
1006
1007 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
1008
1009         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
1010         value_range::singleton_p.
1011         * tree-vrp.c (value_range_constant_singleton): Remove.
1012         * tree-vrp.h (value_range_constant_singleton): Remove.
1013         * vr-values.c (vr_values::singleton): Use
1014         value_range::singleton_p.
1015
1016 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
1017
1018         PR target/90811
1019         * cfgexpand.c (align_local_variable): Add really_expand argument,
1020         don't SET_DECL_ALIGN if it is false.
1021         (add_stack_var): Add really_expand argument, pass it through to
1022         align_local_variable.
1023         (expand_one_stack_var_1): Pass true as really_expand to
1024         align_local_variable.
1025         (expand_one_ssa_partition): Pass true as really_expand to
1026         add_stack_var.
1027         (expand_one_var): Pass really_expand through to add_stack_var.
1028
1029 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1030
1031         * config/arm/iterators.md (VABAL): New int iterator.
1032         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
1033         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
1034         values.
1035
1036 2019-06-12  Martin Liska  <mliska@suse.cz>
1037
1038         * value-prof.c (stream_out_histogram_value): Only first value
1039         can't be negative.
1040
1041 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
1042
1043         PR c/90760
1044         * symtab.c (symtab_node::set_section): Allow being called on aliases
1045         as long as they aren't analyzed yet.
1046
1047 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
1048
1049         * config/mips/mips.c (mips_final_postscan_insn): Modify call
1050         to `mips_set_text_contents_type' to indicate whether a
1051         non-debug insn follows.
1052
1053 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
1054
1055         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
1056         enabling -mpcrel by default.
1057         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
1058         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
1059         that the test against -mcpu=future is done first.  Then test if
1060         -mprefixed-addr is on for -mpcrel.
1061         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
1062
1063 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
1064
1065         PR target/90811
1066         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
1067         instead of and.u%d.
1068
1069 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
1070
1071         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
1072
1073 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
1074
1075         PR c++/90449 - add -Winaccessible-base option.
1076         * doc/invoke.texi (Winaccessible-base): Document.
1077
1078 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
1079
1080         PR tree-optimization/62041
1081         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
1082
1083 2019-06-11  Jason Merrill  <jason@redhat.com>
1084
1085         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
1086         * tree.c (get_tree_code_name): Likewise.
1087         * print-tree.c (print_node): Only briefly print a node with an
1088         invalid code.
1089
1090 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
1091
1092         PR bootstrap/90819
1093         * trans-mem.c (tm_memopt_compute_available): Add assertion
1094         that blocks is not empty.  Formatting fix.
1095
1096 2019-06-11  Martin Liska  <mliska@suse.cz>
1097
1098         PR c++/87847
1099         * hash-table.h: Extend create_gcc, add one parameter
1100         that is passed into hash_table::hash_table.
1101
1102 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
1103
1104         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
1105         New prototype.
1106         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
1107         Emit clobber also for non-sse operations.
1108         (ix86_split_fp_absneg_operator): New function.
1109         * config/i386/i386.md (SSEMODEF): New mode iterator.
1110         (ssevecmodef): New mode attribute.
1111         (<code>tf2): Use absneg code iterator.
1112         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
1113         Add three-operand AVX alternatives.
1114         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
1115         Use absneg code iterator and X87MODEF mode iterator.
1116         (absneg fp_reg non-sse splitter): Call absneg code iterator
1117         and X87MODEF mode iterator.
1118         (absneg general_reg non-sse splitter): Use absneg code iterator
1119         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
1120         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
1121         code iterator.  Add three-operand AVX alternative.
1122         (absneg sse_reg splitter): Use absneg code iterator
1123         and SSEMODEF mode iterator.  Handle AVX operands.
1124         (absneg fp_reg splitter): Use absneg code iterator
1125         and MODEF mode iterator.
1126         (absneg general_reg splitter): Merge splitters using MODEF mode
1127         iterator.  Use absneg code iterator.  Call
1128         ix86_split_fp_absneg_operator.
1129         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
1130         Do not enable for non-sse modes before reload.
1131         (CSGNMODE): Remove.
1132         (CSGNVMODE): Ditto.
1133         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
1134         ssevecmodef mode attribute instaed of CSGNVMODE.
1135         (copysign<mode>3_const): Ditto.
1136         (copysign<mode>3_var): Ditto.
1137         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
1138         Use absneg code iterator.  Simplify code using std::swap.
1139         * config/i386/predicates.md (absneg_operator): Remove.
1140
1141 2019-06-10  Martin Sebor  <msebor@redhat.com>
1142
1143         * gimple-fold.c (get_range_strlen): Update comment that didn't
1144         make it into r267503 or related commits.
1145
1146 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
1147
1148         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
1149         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
1150
1151 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
1152
1153         * tree.def (OMP_SCAN): New tree code.
1154         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
1155         OMP_CLAUSE_EXCLUSIVE.
1156         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
1157         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
1158         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
1159         OMP_CLAUSE_{IN,EX}CLUSIVE.
1160         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
1161         * tree-nested.c (convert_nonlocal_reference_stmt,
1162         convert_local_reference_stmt, convert_gimple_call): Handle
1163         GIMPLE_OMP_SCAN.
1164         * tree-pretty-print.c (dump_omp_clause): Handle
1165         OMP_CLAUSE_{IN,EX}CLUSIVE.
1166         (dump_generic_node): Handle OMP_SCAN.
1167         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
1168         * gimple.h (gomp_scan): New type.
1169         (is_a_helper <gomp_scan *>::test,
1170         is_a_helper <const gomp_scan *>::test): New templates.
1171         (gimple_build_omp_scan): Declare.
1172         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
1173         gimple_omp_scan_set_clauses): New inline functions.
1174         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
1175         * gimple.c (gimple_build_omp_scan): New function.
1176         (gimple_copy): Handle GIMPLE_OMP_SCAN.
1177         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
1178         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
1179         GIMPLE_OMP_TASKGROUP.
1180         (dump_gimple_omp_scan): New function.
1181         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
1182         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
1183         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
1184         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
1185         (is_gimple_stmt): Handle OMP_SCAN.
1186         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
1187         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
1188         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
1189         mentioned in nested #pragma omp scan.  Handle
1190         OMP_CLAUSE_{IN,EX}CLUSIVE.
1191         (gimplify_expr): Handle OMP_SCAN.
1192         * omp-low.c (check_omp_nesting_restrictions): For parent context,
1193         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
1194         simd constructs.
1195         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
1196         GIMPLE_OMP_SCAN.
1197
1198 2019-06-10  Martin Liska  <mliska@suse.cz>
1199
1200         * ipa-cp.c (ignore_edge_p): New function.
1201         (build_toporder_info): Use it.
1202         * ipa-inline.c (ignore_edge_p): New function.
1203         (inline_small_functions): Use it.
1204         * ipa-pure-const.c (ignore_edge_for_nothrow):
1205         Verify opt_for_fn for caller and callee.
1206         (ignore_edge_for_pure_const): Likewise.
1207         * ipa-reference.c (ignore_edge_p): Extend to check
1208         for opt_for_fn.
1209         * ipa-utils.c (searchc): Refactor.
1210         * ipa-utils.h: Fix coding style.
1211
1212 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
1213
1214         * config/arc/arc.c (arc_rtx_costs): Update costs.
1215
1216 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
1217
1218         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
1219         (arc_split_ior): Likewise.
1220         (arc_check_mov_const): Likewise.
1221         (arc_split_mov_const): Likewise.
1222         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
1223         (arc_rtx_costs): Replace check Crr with Cax constraint.
1224         (prepare_move_operands): Cleanup, remove unused code.
1225         (arc_split_ior): New function.
1226         (arc_check_ior_const): Likewise.
1227         (arc_split_mov_const): Likewise.
1228         (arc_check_mov_const): Likewise.
1229         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
1230         in define_insn_and_split pattern.
1231         (iorsi3): Likewise.
1232         (mulsi3_v2): Add new matching variant.
1233         (andsi3_i): Cleanup pattern.
1234         (rotrsi3_cnt1): Update pattern.
1235         (rotrsi3_cnt8): New pattern.
1236         (ashlsi2_cnt8): Likewise.
1237         (ashlsi2_cnt16): Likewise.
1238         * config/arc/constraints.md (C0p): Update constraint.
1239         (Crr): Remove it.
1240         (C0x): New pattern.
1241         (Cax): New pattern.
1242
1243 2019-06-10  Martin Liska  <mliska@suse.cz>
1244
1245         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
1246         Update coding style.
1247         (sem_item_optimizer::dump_cong_classes):
1248         Print how many items are in a non-singular class.  Improve
1249         coding style.
1250
1251 2019-06-10  Martin Liska  <mliska@suse.cz>
1252
1253         * value-prof.c (dump_histogram_value): Change dump format.
1254         (gimple_mod_subtract_transform): Remove legacy comment.
1255
1256 2019-06-10  Martin Liska  <mliska@suse.cz>
1257
1258         * value-prof.c (dump_histogram_value): Print histogram values
1259         only if present.
1260
1261 2019-06-10  Martin Liska  <mliska@suse.cz>
1262
1263         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
1264         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
1265         * ipa-profile.c (ipa_profile_generate_summary):
1266         Use get_most_common_single_value.
1267         * tree-profile.c (gimple_init_gcov_profiler):
1268         Instrument with __gcov_one_value_profiler_v2
1269         and __gcov_indirect_call_profiler_v4.
1270         * value-prof.c (dump_histogram_value):
1271         Print all values for HIST_TYPE_SINGLE_VALUE.
1272         (stream_out_histogram_value): Update assert for
1273         N values.
1274         (stream_in_histogram_value): Set number of
1275         counters for HIST_TYPE_SINGLE_VALUE.
1276         (get_most_common_single_value): New.
1277         (gimple_divmod_fixed_value_transform):
1278         Use get_most_common_single_value.
1279         (gimple_ic_transform): Likewise.
1280         (gimple_stringops_transform): Likewise.
1281         (gimple_find_values_to_profile): Set number
1282         of counters for HIST_TYPE_SINGLE_VALUE.
1283         * value-prof.h (get_most_common_single_value):
1284         New.
1285
1286 2019-06-10  Martin Liska  <mliska@suse.cz>
1287
1288         * hash-map.h: Pass default value to hash_table ctor.
1289         * hash-table.h: Add default value to call of a ctor.
1290
1291 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
1292
1293         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
1294         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
1295
1296 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
1297
1298         PR target/90751
1299         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
1300         Call pa_output_function_label.
1301         (TARGET_ASM_FUNCTION_PROLOGUE): define.
1302         * config/pa/pa-protos.h (pa_output_function_label): Declare.
1303         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
1304         to declaration.
1305         (pa_linux_output_function_prologue): Declare.
1306         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
1307         (pa_output_function_label): New.
1308         (pa_output_function_prologue): Revise to use pa_output_function_label.
1309         (pa_linux_output_function_prologue): New.
1310         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
1311
1312 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
1313
1314         * tree-vrp.h (value_range_base::intersect): New.
1315         (value_range::intersect_helper): Move from here...
1316         (value_range_base::intersect_helper): ...to here.
1317         * tree-vrp.c (value_range::intersect_helper): Rename to...
1318         (value_range_base::intersect_helper): ...this, and rewrite to
1319         return a value instead of modifying THIS in place.
1320         Also, move equivalence handling...
1321         (value_range::intersect): ...here, while calling intersect_helper.
1322         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
1323         calling intersect.
1324         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
1325         Same.
1326         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
1327
1328 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
1329
1330         * Makefile.in (genprogerr): Add condmd.
1331         (genprog): Remove it here.
1332
1333 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
1334
1335         * doc/invoke.texi (AMD GCN Options): Add gfx906.
1336
1337 2019-06-07  Richard Biener  <rguenther@suse.de>
1338
1339         PR debug/90574
1340         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
1341         that appear after user labels.
1342
1343 2019-06-07  Martin Liska  <mliska@suse.cz>
1344
1345         * cselib.c (cselib_init): Disable hash table
1346         sanitization.
1347         * hash-set.h: Pass new default argument to m_table.
1348         * hash-table.c: Add global variable with hash table
1349         sanitization limit.
1350         * hash-table.h (Allocator>::hash_table): Add new argument
1351         to ctor.
1352         (hashtab_chk_error): New.
1353         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
1354         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
1355         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
1356
1357 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
1358
1359         * common.opt (flto-odr-type-merging): Ignore.
1360         * invoke.texi (-flto-odr-type-merging): Remove.
1361         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
1362         (can_be_vtable_hashed_p): Remove.
1363         (hash_odr_vtable): Remove.
1364         (odr_vtable_hasher::hash): Remove.
1365         (types_same_for_odr): Remove.
1366         (types_odr_comparable): Remove.
1367         (odr_vtable_hasher::equal): Remove.
1368         (odr_vtable_hash_type, odr_vtable_hash): Remove.
1369         (add_type_duplicate): Do not synchronize vtable and name hashtables.
1370         (get_odr_type): Do not use vtable hash.
1371         (dump_odr_type): Remove commented out code.
1372         (build_type_inheritance_graph): Do not allocate vtable hash.
1373         (rebuild_type_inheritance_graph): Do not delete vtable hash.
1374         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
1375         (odr_type_p): Likewise.
1376         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
1377         test.
1378
1379 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
1380
1381         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
1382         immediately after same_types_for_tbaa_p returns -1 and continue
1383         looking for possible exact match; if matching types are arrays
1384         watch for partial overlaps.
1385         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
1386         (indirect_refs_may_alias_p): Do type based disambiguation first;
1387         update comment.
1388
1389 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
1390
1391         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
1392
1393 2019-06-07  Martin Liska  <mliska@suse.cz>
1394
1395         * doc/invoke.texi: Remove param.
1396         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
1397         Remove.
1398         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
1399         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
1400         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
1401         * profile.c (instrument_values): Remove
1402         HIST_TYPE_INDIR_CALL_TOPN.
1403         * tree-profile.c (init_ic_make_global_vars):
1404         Always build __gcov_indirect_call only.
1405         (gimple_init_gcov_profiler): Remove usage
1406         of PARAM_INDIR_CALL_TOPN_PROFILE.
1407         (gimple_gen_ic_profiler): Likewise.
1408         * value-prof.c (dump_histogram_value): Likewise.
1409         (stream_in_histogram_value): Likewise.
1410         (gimple_indirect_call_to_profile): Likewise.
1411         (gimple_find_values_to_profile): Likewise.
1412         * value-prof.h (enum hist_type): Likewise.
1413
1414 2019-06-07  Martin Liska  <mliska@suse.cz>
1415
1416         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
1417         function.
1418
1419 2019-06-07  Martin Liska  <mliska@suse.cz>
1420
1421         PR tree-optimization/78902
1422         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
1423         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
1424         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
1425         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
1426         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
1427         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
1428         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
1429         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
1430         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
1431         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
1432         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
1433         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
1434         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
1435         New.
1436         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
1437         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
1438         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
1439         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
1440         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
1441         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
1442         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
1443         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
1444         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
1445         warn_unused_result attribute.
1446         (BUILT_IN_STRDUP): Likewise.
1447         (BUILT_IN_STRNDUP): Likewise.
1448         (BUILT_IN_ALLOCA): Likewise.
1449         (BUILT_IN_CALLOC): Likewise.
1450         (BUILT_IN_MALLOC): Likewise.
1451         (BUILT_IN_REALLOC): Likewise.
1452
1453 2019-06-06  Jim Wilson  <jimw@sifive.com>
1454
1455         PR target/89955
1456         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
1457         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
1458         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
1459
1460 2019-06-06  Martin Sebor  <msebor@redhat.com>
1461
1462         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
1463         (handle_builtin_malloc): Remove trailing spaces.
1464         (handle_builtin_memset): Same.
1465         (handle_builtin_memcmp): Same.
1466         (compute_string_length): Same.
1467         (determine_min_objsize): Same.
1468         (handle_builtin_string_cmp): Same.
1469         (handle_char_store): Same.  Break up excessively long line.
1470
1471 2019-06-06  Martin Jambor  <mjambor@suse.cz>
1472
1473         * tree-sra.c (build_reconstructed_reference): Drop the alignment
1474         check.
1475
1476 2019-06-06  Martin Jambor  <mjambor@suse.cz>
1477
1478         * tree-sra.c (struct access): New field grp_same_access_path.
1479         (dump_access): Dump it.
1480         (build_reconstructed_reference): New function.
1481         (build_ref_for_model): Use it if possible.
1482         (path_comparable_for_same_access): New function.
1483         (same_access_path_p): Likewise.
1484         (sort_and_splice_var_accesses): Set the new flag.
1485         (analyze_access_subtree): Likewise.
1486         (propagate_subaccesses_across_link): Propagate zero value of the new
1487         flag down the access tree.
1488
1489 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
1490
1491         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
1492         * config/gcn/gcn.opt (gpu_type): Add gfx906.
1493         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
1494         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
1495         Add gfx906.
1496
1497 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1498
1499         PR tree-optimization/90332
1500         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
1501         Handle VALS containing two vectors.
1502         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
1503         to...
1504         (@aarch64_combinez<mode>): ... This.
1505         (*aarch64_combinez_be<mode>): Rename to...
1506         (@aarch64_combinez_be<mode>): ... This.
1507         (vec_init<mode><Vhalf>): New define_expand.
1508         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
1509
1510 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1511
1512         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
1513         library functions only when not optimizing for size.
1514         (ashlsi3): Likewise.
1515         (ashrhi3): Likewise.
1516         (ashrsi3): Likewise.
1517         (lshrhi3): Likewise.
1518         (lshrsi3): Likewise.
1519
1520 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
1521
1522         PR rtl-optimization/88751
1523         * ira.c (ira): Use the number of the actually referenced registers
1524         when calculating the threshold.
1525
1526 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
1527
1528         * configure: Regenerate.
1529
1530 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
1531
1532         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
1533         register if it is in memory, so the shift can be emulated with a rotate
1534         instruction.
1535         (ashrhi3): Likewise.
1536         (lshrhi3): Likewise.
1537
1538 2019-06-06  Martin Liska  <mliska@suse.cz>
1539
1540         PR tree-optimization/87954
1541         * match.pd: Simplify mult where both arguments are 0 or 1.
1542
1543 2019-06-06  Richard Biener  <rguenther@suse.de>
1544
1545         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
1546         put equivalences on UNDEFINED ranges.
1547         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
1548         Make sure to drop defs of stmts added during simplification
1549         to VARYING.
1550
1551 2019-06-06  Richard Biener  <rguenther@suse.de>
1552
1553         * tree-ssa-structalias.c: Include tree-cfg.h.
1554         (make_heapvar): Do not make heap vars artificial.
1555         (find_func_aliases_for_builtin_call): Handle stack allocation
1556         functions.
1557         (find_func_aliases): Delay processing of simple enough returns
1558         in non-IPA mode.
1559         (set_uids_in_ptset): Adjust.
1560         (find_what_var_points_to): Likewise.
1561         (solve_constraints): Do not dump points-to sets here.
1562         (compute_points_to_sets): Post-process return statements,
1563         amending the escaped solution.  Dump points-to sets afterwards.
1564         (ipa_pta_execute): Dump points-to sets.
1565
1566 2019-06-06  Martin Liska  <mliska@suse.cz>
1567
1568         PR web/87933
1569         * doc/install.texi: Fix HTML headers and
1570         titles for 'Installing GCC' pages.
1571
1572 2019-06-06  Martin Liska  <mliska@suse.cz>
1573
1574         * ipa-icf-gimple.h (dump_message_1): Remove.
1575         (dump_message): Likewise.
1576         (return_false_with_message_1): Print also file.
1577         (return_false_with_msg): Likewise.
1578         (return_with_result): Likewise.
1579         (return_with_debug): Likewise.
1580         * ipa-icf.c (sem_function::equals_private): Remove call
1581         to dump_message.
1582
1583 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
1584
1585         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
1586         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
1587         memory operand for it.
1588         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
1589
1590 2019-06-05  Martin Sebor  <msebor@redhat.com>
1591
1592         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
1593         Adjust quoting and hyphenation.
1594         * convert.c (convert_to_real_1): Same.
1595         * gcc.c (driver_wrong_lang_callback): Same.
1596         (driver::handle_unrecognized_options): Same.
1597         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
1598         * opts-common.c (cmdline_handle_error): Same.
1599         (read_cmdline_option): Same.
1600         * opts-global.c (complain_wrong_lang): Same.
1601         (print_ignored_options): Same.
1602         (handle_common_deferred_options): Same.
1603         * pretty-print.h: Same.
1604         * print-rtl.c (debug_bb_n_slim): Same.
1605         * sched-rgn.c (make_pass_sched_fusion): Same.
1606         * tree-cfg.c (verify_gimple_assign_unary): Same.
1607         (verify_gimple_label): Same.
1608         * tree-ssa-operands.c (verify_ssa_operands): Same.
1609         * varasm.c (do_assemble_alias): Same.
1610         (assemble_alias): Same.
1611
1612 2019-06-05  Richard Henderson  <rth@twiddle.net>
1613
1614         * config/alpha/alpha.c (direct_return): Move down after
1615         struct machine_function definition; use saved frame_size;
1616         return bool.
1617         (struct machine_function): Add sa_mask, sa_size, frame_size.
1618         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
1619         (alpha_compute_frame_layout): ... new function.
1620         (TARGET_COMPUTE_FRAME_LAYOUT): New.
1621         (alpha_initial_elimination_offset): Use saved sa_size.
1622         (alpha_vms_initial_elimination_offset): Likewise.
1623         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
1624         (alpha_expand_prologue): Use saved frame data.  Merge integer
1625         and fp register save loops.
1626         (alpha_expand_epilogue): Likewise.
1627         (alpha_start_function): Use saved frame data.
1628         * config/alpha/alpha-protos.h (direct_return): Update.
1629         (alpha_sa_size): Remove.
1630
1631 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
1632
1633         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
1634         multiplication by a power-of-two value.
1635         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
1636         and turn the modulo operation into a masking operation.
1637
1638 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
1639
1640         PR debug/90733
1641         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
1642         with VOIDmode inner operands.
1643
1644 2019-06-05  Richard Biener  <rguenther@suse.de>
1645
1646         PR middle-end/90726
1647         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1648         turn an expression graph into a tree.
1649
1650 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
1651
1652         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
1653         member.
1654         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
1655         treat it like explicit monotonic schedule modifier.
1656         (expand_omp_for): Initialize has_lastprivate_conditional.
1657         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
1658         schedule modifier.
1659
1660         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
1661         references, lookup in in hash map MEM_REF operand instead of the
1662         MEM_REF itself.
1663         (lower_omp_1): When looking for lastprivate conditional assignments,
1664         handle MEM_REFs with REFERENCE_TYPE operands.
1665
1666         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
1667         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
1668         and references a VLA.  Handle references to non-VLAs if is_simd
1669         all privatization clauses like reductions.
1670         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
1671         If omp_is_reference, use always omp simd arrays and set
1672         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
1673         fails, emit reference initialization.
1674
1675 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
1676
1677         PR target/89803
1678         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
1679         _mm_mask_fpclass_sd_mask): New intrinsics.
1680         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
1681         * config/i386/i386-builtin.def
1682         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
1683         New builtins.
1684         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
1685         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
1686         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
1687         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
1688         case QI_FTYPE_V2SF_INT): Ditto.
1689         * config/i386/sse.md
1690         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
1691         Extended to insnstructions with mask operands.
1692
1693 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1694
1695         * config/rs6000/constraints.md (define_register_constraint "wp"):
1696         Delete.
1697         (define_register_constraint "wq"): Delete.
1698         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1699         (rs6000_init_hard_regno_mode_ok): Adjust.
1700         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1701         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
1702         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
1703         (define_mode_attr VSa): Delete.
1704         (define_mode_attr VSisa): New.
1705         (rest of file): Adjust.
1706         * doc/md.texi (Machine Constraints): Adjust.
1707
1708 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1709
1710         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
1711         (define_attr "enabled"): Handle those new isa values.
1712
1713 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1714
1715         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
1716         (define_mode_attr VSr5): Delete.
1717         (define_mode_attr VStype_sqrt): Delete.
1718         (define_mode_iterator VSX_SPDP): Delete.
1719         (define_mode_attr VS_spdp_res): Delete.
1720         (define_mode_attr VS_spdp_insn): Delete.
1721         (define_mode_attr VS_spdp_type): Delete.
1722         (*vsx_sqrt<mode>2): Adjust.
1723         (vsx_<VS_spdp_insn>): Delete, split to...
1724         (vsx_xscvdpsp): ... this.  New.  And...
1725         (vsx_xvcvspdp): ... this.  New.  And...
1726         (vsx_xvcvdpsp): ... this.  New.
1727
1728 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1729
1730         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
1731         and V2DF.
1732         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
1733         (rest of file): Adjust.
1734
1735 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1736
1737         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
1738         (vsx_extract_<mode>_var): Ditto.
1739
1740 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1741
1742         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
1743         with just "wa".
1744
1745 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1746
1747         * config/rs6000/constraints.md (define_register_constraint "ww"):
1748         Delete.
1749         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1750         (rs6000_init_hard_regno_mode_ok): Adjust.
1751         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1752         RS6000_CONSTRAINT_ww.
1753         * config/rs6000/rs6000.md: Adjust.
1754         * config/rs6000/vsx.md: Adjust.
1755         * doc/md.texi (Machine Constraints): Adjust.
1756
1757 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1758
1759         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
1760         (define_mode_attr sd): New.
1761         (define_mode_attr s): New.
1762         (define_mode_attr Ftrad): Delete.
1763         (define_mode_attr Fvsx): Delete.
1764         (define_mode_attr Fs): Delete.
1765         (rest of file): Use the new mode attributes.
1766         * config.rs6000/vsx.md: Use the new mode attributes.
1767
1768 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1769
1770         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
1771         with just "wa".
1772
1773 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1774
1775         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
1776         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
1777         used with VSX_B, VSX_D, or VSX_F, with just "wa".
1778
1779 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
1780
1781         PR target/78263
1782         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
1783         C++ with strict ANSI requirements.
1784
1785 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
1786
1787         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
1788         computations when step is 1.
1789
1790 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1791
1792         * config/rs6000/constraints.md (define_register_constraint "wf"):
1793         Delete.
1794         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1795         (rs6000_init_hard_regno_mode_ok): Adjust.
1796         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1797         RS6000_CONSTRAINT_wf.
1798         * config/rs6000/rs6000.md: Adjust.
1799         * config/rs6000/vsx.md: Adjust.
1800         * doc/md.texi (Machine Constraints): Adjust.
1801
1802 2019-06-04  Andrew Pinski  <apinski@marvell.com>
1803
1804         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
1805         Fix ILP32 value.
1806
1807 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1808
1809         * config/rs6000/constraints.md (define_register_constraint "wd"):
1810         Delete.
1811         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1812         (rs6000_init_hard_regno_mode_ok): Adjust.
1813         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1814         RS6000_CONSTRAINT_wd.
1815         * config/rs6000/rs6000.md: Adjust.
1816         * config/rs6000/vsx.md: Adjust.
1817         * doc/md.texi (Machine Constraints): Adjust.
1818
1819 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1820
1821         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
1822         (rest of file): Adjust.
1823
1824 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1825
1826         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
1827         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
1828         (vsx_splat_<mode>_reg): Adjust.
1829
1830 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1831
1832         * config/rs6000/constraints.md (define_register_constraint "ws"):
1833         Delete.
1834         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1835         (rs6000_init_hard_regno_mode_ok): Adjust.
1836         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1837         RS6000_CONSTRAINT_ws.
1838         * config/rs6000/rs6000.md: Adjust.
1839         * config/rs6000/vsx.md: Adjust.
1840         * doc/md.texi (Machine Constraints): Adjust.
1841
1842 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1843
1844         * config/rs6000/constraints.md (define_register_constraint "wv"):
1845         Delete.
1846         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1847         (rs6000_init_hard_regno_mode_ok): Adjust.
1848         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1849         RS6000_CONSTRAINT_wv.
1850         * config/rs6000/rs6000.md: Adjust.
1851         * config/rs6000/vsx.md: Adjust.
1852         * doc/md.texi (Machine Constraints): Adjust.
1853
1854 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1855
1856         * config/rs6000/constraints.md (define_register_constraint "wi"):
1857         Delete.
1858         (define_register_constraint "wt"): Delete.
1859         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1860         (rs6000_init_hard_regno_mode_ok): Adjust.
1861         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1862         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
1863         * config/rs6000/rs6000.md: Adjust.
1864         * config/rs6000/vsx.md: Adjust.
1865         * doc/md.texi (Machine Constraints): Adjust.
1866
1867 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1868
1869         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
1870         const.
1871         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
1872         default_elf_asm_output_external.
1873
1874 2019-06-04  Martin Liska  <mliska@suse.cz>
1875
1876         * ipa-icf.c (INCLUDE_LIST): Remove.
1877         (sem_item_optimizer::execute): Remove call to init_wpa.
1878         * ipa-icf.h (init_wpa): Remove.
1879
1880 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
1881
1882         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
1883         conditional on combined for simd.
1884         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
1885         member.
1886         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
1887         constructs, don't remove lastprivate_conditional_map, but instead set
1888         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
1889         to parent construct temporaries.
1890         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
1891         like !ctx->lastprivate_conditional_map.
1892         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1893         use up->outer context instead of up.
1894         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1895         gimple_omp_for_combined_p.
1896         (expand_omp_for_static_nochunk): Likewise.
1897         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1898         probably moved over into expand_omp_for_generic rather than being copied
1899         there.
1900
1901 2019-06-04  Martin Liska  <mliska@suse.cz>
1902
1903         * value-prof.c (dump_histogram_value): Fix typo.
1904         (gimple_mod_subtract_transform): Likewise.
1905
1906 2019-06-04  Richard Biener  <rguenther@suse.de>
1907
1908         PR middle-end/90726
1909         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1910         (tree_contains_chrecs): Likewise.
1911         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1912         exponential behaivor from ...
1913         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1914         ... here.
1915         (expression_expensive_p): Avoid exponential behavior and compute
1916         expanded size, rejecting any expansion.
1917         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1918         (idx_contains_abnormal_ssa_name_p): Likewise.
1919         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1920         (contains_abnormal_ssa_name_p): Simplify and use
1921         walk_tree_without_duplicates.
1922
1923 2019-06-04  Richard Biener  <rguenther@suse.de>
1924
1925         PR tree-optimization/90738
1926         Revert
1927         2019-06-03  Richard Biener  <rguenther@suse.de>
1928
1929         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1930         full reference tree and record in ref->ref.
1931         (vn_reference_lookup_3): Pass in original ref to
1932         ao_ref_init_from_vn_reference.
1933         (vn_reference_lookup): Likewise.
1934         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1935         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1936         Handle non-decl bases in the original reference.
1937
1938 2019-06-04  Martin Liska  <mliska@suse.cz>
1939
1940         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1941         number of references.
1942         (sem_item_optimizer::do_congruence_step):
1943         (sem_item_optimizer::worklist_push): Dump how references
1944         a class has.
1945         (sem_item_optimizer::worklist_pop): Use heap.
1946         (sem_item_optimizer::process_cong_reduction): Likewise.
1947         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1948
1949 2019-06-04  Martin Liska  <mliska@suse.cz>
1950
1951         * ipa-icf.h (struct sem_usage_pair_hash): New.
1952         (sem_usage_pair_hash::hash): Likewise.
1953         (sem_usage_pair_hash::equal): Likewise.
1954         (struct sem_usage_hash): Likewise.
1955         * ipa-icf.c (sem_item::sem_item): Initialize
1956         referenced_by_count.
1957         (sem_item::add_reference): Register a reference
1958         in ref_map and not in target->usages.
1959         (sem_item::setup): Remove initialization of
1960         dead vectors.
1961         (sem_item::~sem_item): Remove usage of dead vectors.
1962         (sem_item::dump): Remove dump of references.
1963         (sem_item_optimizer::sem_item_optimizer): Initialize
1964         m_references.
1965         (sem_item_optimizer::read_section): Remove useless
1966         dump.
1967         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1968         (sem_item_optimizer::build_graph): Pass m_references
1969         to ::add_reference.
1970         (sem_item_optimizer::verify_classes): Remove usage of dead
1971         vectors.
1972         (sem_item_optimizer::traverse_congruence_split): Return true
1973         when a class is split.
1974         (sem_item_optimizer::do_congruence_step_for_index): Use
1975         hash_map for look up of (sem_item *, index). That brings
1976         significant speed up.
1977         (sem_item_optimizer::do_congruence_step): Return true
1978         when a split is done.
1979         (congruence_class::is_class_used): Use referenced_by_count.
1980
1981 2019-06-04  Alan Modra  <amodra@gmail.com>
1982
1983         PR target/90689
1984         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1985         error.
1986
1987 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1988
1989         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1990         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1991         (rs6000_secondary_reload_simple_move): Adjust.
1992         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1993         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1994         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1995         comment.
1996         (power6x): Adjust.
1997         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1998         (floatunssi<mode>2_lfiwzx): Adjust.
1999         (fix_trunc<mode>si2_stfiwx): Adjust.
2000         (fixuns_trunc<mode>si2_stfiwx): Adjust.
2001         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
2002         (mfpgpr): Mark as deprecated.
2003         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
2004         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
2005         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
2006
2007 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2008
2009         * config/rs6000/constraints.md (define_register_constraint "wg"):
2010         Delete.
2011         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2012         RS6000_CONSTRAINT_wg.
2013         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2014         (rs6000_init_hard_regno_mode_ok): Adjust.
2015         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
2016         Delete "wg" alternatives.
2017         * doc/md.texi (Machine Constraints): Adjust.
2018
2019 2019-06-03  Alan Modra  <amodra@gmail.com>
2020
2021         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
2022         (get_uncond_jump_length): Assert length less than INT_MAX and
2023         non-negative.
2024
2025 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
2026
2027         PR middle-end/64242
2028         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
2029         block.
2030         (expand_builtin_nonlocal_goto): Likewise.
2031
2032 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2033
2034         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
2035         (aarch64_asm_output_external): Declare.
2036         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
2037         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
2038         (aarch64_asm_output_alias): New.
2039         (aarch64_asm_output_external): New.
2040         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2041         (ASM_OUTPUT_EXTERNAL): Define.
2042
2043 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
2044         * tree-vrp.h (value_range_base::nonzero_p): New.
2045         (value_range_base::set_nonnull): Rename to...
2046         (value_range_base::set_nonzero): ...this.
2047         (value_range_base::set_null): Rename to...
2048         (value_range_base::set_zero): ...this.
2049         (value_range::set_nonnull): Remove.
2050         (value_range::set_null): Remove.
2051         * tree-vrp.c (range_is_null): Remove.
2052         (range_is_nonnull): Remove.
2053         (extract_range_from_binary_expr): Use value_range_base::*zero_p
2054         instead of range_is_*null.
2055         (extract_range_from_unary_expr): Same.
2056         (value_range_base::set_nonnull): Rename to...
2057         (value_range_base::set_nonzero): ...this.
2058         (value_range::set_nonnull): Remove.
2059         (value_range_base::set_null): Rename to...
2060         (value_range_base::set_zero): ...this.
2061         (value_range::set_null): Remove.
2062         (extract_range_from_binary_expr): Rename set_*null uses to
2063         set_*zero.
2064         (extract_range_from_unary_expr): Same.
2065         (union_helper): Same.
2066         * vr-values.c (get_value_range): Use set_*zero instead of
2067         set_*null.
2068         (vr_values::extract_range_from_binary_expr): Same.
2069         (vr_values::extract_range_basic): Same.
2070
2071 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
2072
2073         PR driver/90684
2074         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
2075
2076 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2077
2078         * config/aarch64/iterators.md (MAX_OPP): New code attr.
2079         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
2080         (aarch64_<su>abd<mode>_3): ... This.
2081         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
2082
2083 2019-06-03  Richard Biener  <rguenther@suse.de>
2084
2085         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
2086         full reference tree and record in ref->ref.
2087         (vn_reference_lookup_3): Pass in original ref to
2088         ao_ref_init_from_vn_reference.
2089         (vn_reference_lookup): Likewise.
2090         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
2091         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
2092         Handle non-decl bases in the original reference.
2093
2094 2019-06-03  Martin Liska  <mliska@suse.cz>
2095
2096         * doc/generic.texi: Remove Java Trees.
2097
2098 2019-06-03  Martin Liska  <mliska@suse.cz>
2099
2100         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
2101         returns 0 when operands are equal.
2102
2103 2019-06-03  Richard Biener  <rguenther@suse.de>
2104
2105         PR tree-optimization/90716
2106         * tree-loop-distribution.c (destroy_loop): Process blocks in
2107         correct order.
2108
2109 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2110
2111         PR target/88837
2112         * vector-builder.h (vector_builder::count_dups): New method.
2113         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
2114         Declare prototype.
2115         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
2116         (vec_init<mode><Vel>): New pattern.
2117         * config/aarch64/aarch64.c (emit_insr): New function.
2118         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
2119         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
2120         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
2121         (aarch64_sve_expand_vector_init): Define two overloaded functions.
2122
2123 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2124
2125         PR tree-optimization/90681
2126         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
2127         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
2128         special case for SLP, but fail on non-groupped loads.
2129
2130 2019-06-03  Martin Liska  <mliska@suse.cz>
2131
2132         * cfg.c (debug): Use TDF_DETAILS for debug and
2133         print edge info only once.
2134
2135 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
2136
2137         PR fortran/90539
2138         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
2139
2140 2019-06-01  Martin Sebor  <msebor@redhat.com>
2141
2142         PR middle-end/90694
2143         * tree-pretty-print.c (dump_generic_node): Add parentheses.
2144
2145 2019-05-31  Jan Hubicka  <jh@suse.cz>
2146
2147         * alias.c: Include ipa-utils.h.
2148         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
2149         * ipa-devirt.c (prevailing_odr_type): New.
2150         * ipa-utils.h (previaling_odr_type): Declare.
2151
2152 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
2153             Hongtao Liu  <hongtao.liu@intel.com>
2154
2155         PR target/89355
2156         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
2157         NOTE_INSN_DELETED_LABEL check.
2158
2159 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
2160             Robert Suchanek  <robert.suchanek@mips.com>
2161
2162         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
2163         and 3rd operands of the fmadd/fmsub/maddv builtin.
2164
2165 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
2166
2167         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
2168         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
2169         on OMP_SIMD if not nested inside of worksharing loop that also has
2170         lastprivate conditional clause for the same decl.
2171         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
2172         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
2173         on simd.
2174         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
2175         on simd construct.
2176         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
2177         on simd construct.
2178         (lower_lastprivate_clauses): Likewise.
2179         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
2180         calling lower_rec_input_clauses.
2181         (lower_omp_for): Likewise.
2182         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
2183         clause on simd construct.
2184         * omp-expand.c (expand_omp_simd): Initialize cond_var if
2185         OMP_CLAUSE__CONDTEMP_ clause is present.
2186
2187         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
2188         ivar and lvar.
2189
2190 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
2191
2192         PR c/43673
2193         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
2194         TEX_D32, TEX_D64 or TEX_D128.
2195
2196 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
2197
2198         * match.pd (~(vec?cst1:cst2)): New transformation.
2199
2200 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
2201
2202         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
2203         ((size_t)(A /[ex] B) CMP C): New transformation.
2204
2205 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
2206
2207         * doc/md.texi: Document define_insn_and_rewrite.
2208         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
2209         * gensupport.c (queue_elem): Update comment.
2210         (replace_operands_with_dups): New function.
2211         (gen_rewrite_sequence): Likewise.
2212         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
2213         * read-rtl.c (apply_subst_iterator): Likewise.
2214         (add_condition_to_rtx, named_rtx_p): Likewise.
2215         (rtx_reader::read_rtx_operand): Likewise.
2216         * config/aarch64/aarch64-sve.md
2217         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
2218         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
2219         define_insn_and_rewrite.
2220         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
2221         Remove separate define_split.
2222
2223 2019-05-31  Jan Hubicka  <jh@suse.cz>
2224
2225         * tree-ssa-alias.c (type_has_components_p): New function.
2226         (aliasing_component_refs_p): Use it.
2227
2228 2019-05-31  Martin Liska  <mliska@suse.cz>
2229
2230         * gdbhooks.py: Add const_tree to TreePrinter.
2231
2232 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
2233
2234         PR debug/86964
2235         * common.opt (feliminate-unused-debug-symbols): Enable by default.
2236         * doc/invoke.texi (Debugging Options): Document new default of
2237         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
2238
2239 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
2240
2241         PR tree-optimization/90671
2242         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
2243         template_block used to be empty on the first call, don't use
2244         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
2245         seq with bb_seq and set it with set_bb_seq.
2246
2247 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
2248
2249         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
2250
2251 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
2252             Michael Meissner  <meissner@linux.ibm.com>
2253
2254         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
2255         (prefixed_mem_operand): Likewise.
2256         (non_prefixed_mem_operand): Likewise.
2257         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
2258         prototype.
2259         * config/rs6000/rs6000.c (print_operand_address): Handle
2260         PC-relative addresses.
2261         (mode_supports_prefixed_address_p): New function.
2262         (rs6000_prefixed_address): New function.
2263         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
2264         (SYMBOL_REF_PCREL_P): Likewise.
2265
2266 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
2267
2268         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
2269         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
2270         (gimplify_omp_for): If worksharing loop with lastprivate conditional
2271         is nested inside of parallel region, add _condtemp_ clause to both.
2272         * tree-nested.c (convert_nonlocal_omp_clauses,
2273         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
2274         assertion failure.
2275         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
2276         member.
2277         * omp-general.c (omp_extract_for_data): Compute it.
2278         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
2279         (lower_rec_input_clauses): Likewise.
2280         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
2281         clause is already present, just add one further one after it.
2282         (lower_lastprivate_clauses): Handle cond_ptr with array type.
2283         (lower_send_shared_vars): Clear _condtemp_ vars.
2284         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
2285         or section or taskgroup.
2286         * omp-expand.c (determine_parallel_type): Disallow combining only if
2287         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
2288         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
2289         (expand_omp_for_generic, expand_omp_for_static_nochunk,
2290         expand_omp_for_static_chunk, expand_omp_for): Use
2291         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
2292         determine if a special set of API routines are needed and if condtemp
2293         needs to be initialized, while always initialize cond_var if
2294         fd->lastprivate_conditional is non-zero.
2295
2296 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
2297             Michael Meissner  <meissner@linux.ibm.com>
2298
2299         * config/rs6000/constraints.md (eI): New constraint.
2300         * config/rs6000/predicates.md (cint34_operand): New predicate.
2301         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
2302         (SIGNED_34BIT_OFFSET_P): Likewise.
2303         * doc/md.texi (eI): Document constraint.
2304
2305 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
2306
2307         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
2308
2309 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
2310             Michael Meissner  <meissner@linux.ibm.com>
2311
2312         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
2313         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
2314         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
2315         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
2316         (OTHER_FUTURE_MASKS): Likewise.
2317         (POWERPC_MASKS): Likewise.
2318         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
2319         specified without -mprefixed-addr or -mcpu=future.  Error if
2320         -mprefixed-addr is specified without -mcpu=future.
2321         (rs6000_opt_masks): Add entry for prefixed-addr.
2322         * rs6000.opt (mprefixed-addr): New option.
2323
2324 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
2325
2326         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
2327         cfun->is_thunk check.
2328
2329 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
2330
2331         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
2332         to length.
2333
2334 2019-05-30  Martin Liska  <mliska@suse.cz>
2335
2336         * gdbinit.in: Fix 'ptc' command.  Add trt
2337         that prints TREE_TYPE($).
2338
2339 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
2340             Alan Modra  <amodra@gmail.com>
2341
2342         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
2343         calls here...
2344         (rs6000_indirect_call_template_1): ...and here.
2345         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
2346         plt16_ha, plt16_lo, mtctr indirect calls.  Use
2347         rs6000_pltseq_enum.
2348         (rs6000_decl_ok_for_sibcall): New function.
2349         (rs6000_function_ok_for_sibcall): Refactor.
2350         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
2351         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
2352         when pcrel.  Reorganize.
2353         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
2354         * rs6000.h (rs6000_pltseq_enum): New enum.
2355         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
2356         (*pltseq_tocsave): Use rs6000_pltseq_enum.
2357         (*pltseq_plt16_ha): Likewise.
2358         (*pltseq_plt16_lo): Likewise.
2359         (*pltseq_mtctr): Likewise.
2360         (*pltseq_plt_pcrel): New insn.
2361         (*call_local_aix): Handle @notoc calls.
2362         (*call_value_local_aix): Likewise.
2363         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
2364         (*call_value_nonlocal_aix): Likewise.
2365         (*call_indirect_pcrel): New insn.
2366         (*call_value_indirect_pcrel): Likewise.
2367
2368
2369 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
2370
2371         * config/i386/sse.md (*save_multiple<mode>): Rename from
2372         save_multiple<mode>.
2373         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
2374         (*restore_multiple_and_return<mode>): Rename from
2375         restore_multiple_and_return<mode>.
2376         (*restore_multiple_leave_return<mode>): Rename from
2377         restore_multiple_leave_return<mode>.
2378
2379 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
2380
2381         * config.gcc (rx-*-linux*): New target.
2382         * config/rx/elf.opt: New file.
2383         * config/rx/linux.h: Likewise.
2384         * config/rx/t-linux: Likewise.
2385         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
2386         make it zero.
2387         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
2388         (ASM_APP_OFF): Likewise.
2389         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
2390         moved elsewhere.
2391
2392 2019-05-29  Jan Hubicka  <jh@suse.cz>
2393
2394         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
2395         variants are pointer equivalent.
2396
2397 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2398
2399         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
2400         * config/aarch64/aarch64-sve2.md: New file.
2401         (<u>avg<mode>3_floor): New pattern.
2402         (<u>avg<mode>3_ceil): Likewise.
2403         (*<sur>h<addsub><mode>): Likewise.
2404         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
2405         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
2406
2407 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
2408
2409         PR bootstrap/90543
2410         * optc-save-gen.awk: In cl_optimization_print, use correct condition
2411         for var_opt_string printing.  In cl_optimization_print_diff, print
2412         (null) instead of invoking undefined behavior if one of the
2413         var_opt_string pointers is NULL and use && instead of first || in the
2414         guarding condition.  For var_target_other options, handle const char *
2415         target variables similarly to const char * optimize node variables.
2416
2417 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
2418
2419         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
2420         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
2421         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
2422         Add autib1716 and pacib1716 initialisation.
2423         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
2424         for autib1716 and pacib1716.
2425         * config/aarch64/aarch64-protos.h (aarch64_key_type,
2426         aarch64_post_cfi_startproc): Define.
2427         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
2428         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
2429         aarch64_handle_pac_ret_protection): Set default sign key to A.
2430         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
2431         aarch64_expand_prologue): Add check for b-key.
2432         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
2433         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
2434         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
2435         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
2436         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
2437         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
2438         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
2439         * config/aarch64/aarch64.md (do_return): Add check for b-key.
2440         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
2441         pauth_hint_num_a with pauth_hint_num.
2442         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
2443         pauth_hint_num_a with pauth_hint_num.
2444         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
2445         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
2446         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
2447         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
2448         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
2449         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
2450         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
2451         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
2452         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
2453         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
2454         UNSPEC_AUTIA1716 respectively.
2455         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
2456         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
2457         * doc/invoke.texi (-mbranch-protection): Add b-key type.
2458         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
2459         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
2460
2461 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
2462
2463         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
2464         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
2465         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
2466         explicit clause on combined parallel into implicit shared clause.
2467         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
2468         and firstprivate if the decl has one too from combined parallel to
2469         the worksharing construct.
2470
2471 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
2472             Michael Meissner  <meissner@linux.ibm.com>
2473
2474         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
2475
2476 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
2477
2478         * rtl.h (LABEL_REF_P): New #define.
2479
2480 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
2481
2482         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
2483
2484 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2485
2486         * internal-fn.c: Marked mask_load_direct as vectorizable.
2487         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
2488         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
2489         combined even if masks different with allow_slp_p param.
2490         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
2491         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
2492         dissolve SLP-only vectorizable groups when SLP has been discarded.
2493         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
2494         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
2495         masks.
2496         (vect_build_slp_tree_1): Fixed comment typo.
2497         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
2498         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
2499         loads for SLP only.
2500         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
2501         vectorizable.
2502         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
2503
2504 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2505
2506         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
2507         Remove obsolete use_thunk reference.
2508         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2509         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2510         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2511         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2512         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2513         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2514         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2515         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2516         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2517
2518 2019-05-28  Nathan Sidwell  <nathan@acm.org>
2519
2520         * tree.h (IDENTIFIER_ANON_P): New.
2521         (anon_aggrname_format, anon_aggname_p): Don't declare.
2522         (make_anon_name): Declare.
2523         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
2524         (hash_tree): Likewise.
2525         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
2526         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
2527         (anon_cnt, make_anon_name): New.
2528
2529 2019-05-28  Martin Liska  <mliska@suse.cz>
2530
2531         PR other/90315
2532         * opts-global.c (decode_options): Print help for all
2533         help_option_arguments.
2534         * opts.c (print_help): Add new argument.
2535         (common_handle_option): Remember all values into
2536         help_option_arguments.
2537         * opts.h (print_help): Add new argument.
2538
2539 2019-05-28  Martin Liska  <mliska@suse.cz>
2540
2541         PR ipa/90555
2542         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
2543         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
2544         (func_checker::compare_bb): Call compare_loops.
2545
2546 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
2547
2548         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
2549         on sections construct.
2550         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
2551         construct.
2552         (lower_omp_sections): Handle lastprivate conditional.
2553         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
2554         lastprivate_conditional_map.
2555         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
2556
2557         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
2558         critical, taskgroup and section regions when looking for a region
2559         with non-NULL lastprivate_conditional_map.
2560
2561 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
2562
2563         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
2564         (*ix86_gen_sub3): Ditto.
2565         (*ix86_gen_sub3_carry): Ditto.
2566         (*ix86_gen_one_cmpl2): Ditto.
2567         (*ix86_gen_andsp): Ditto.
2568         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
2569         (gen_and2_insn): New static function.
2570         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
2571         Use gen_add3_insn instead of ix86_gen_add3.
2572         (ix86_expand_split_stack_prologue): Use gen_add2_insn
2573         instead of ix86_gen_add3.
2574         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
2575         Use gen_sub3_insn instead of ix86_gen_sub3.
2576         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
2577         instead of ix86_gen_add3.
2578         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
2579         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
2580         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
2581         * config/i386/i386-options.c (ix86_option_override_internal):
2582         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
2583         ix86_gen_one_cmpl2 and ix86_gen_andsp.
2584
2585 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2586
2587         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
2588         and DW_OP_GNU_const_index opcodes.
2589
2590 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
2591
2592         * config/i386/i386.h (STACK_SIZE_MODE): Define.
2593
2594 2019-05-27  Richard Biener  <rguenther@suse.de>
2595
2596         PR tree-optimization/90637
2597         * tree-ssa-sink.c (statement_sink_location): Honor the
2598         computed sink location for single-uses.
2599
2600 2019-05-27  Richard Biener  <rguenther@suse.de>
2601
2602         PR middle-end/90610
2603         * match.pd (vec_perm): Avoid clobbering op0 when not generating
2604         a bit-insert.
2605
2606 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
2607
2608         * config/i386/i386.md (@sub<mode>3_carry): Rename
2609         from sub<mode>3_carry.
2610         (@leave_<mode>): New expander.
2611         (*leave): Rename from leave.
2612         (*leave_rex64): Rename from leave_rex64.
2613         (@monitorx_<mode>): Rename from monitorx_<mode>.
2614         (@clzero_<mode>): Rename from clzero_<mode>.
2615         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
2616         from sse3_monitor_<mode>.
2617         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
2618         (*ix86_gen_leave): Ditto.
2619         (*ix86_gen_monitor): Ditto.
2620         (*ix86_gen_monitorx): Ditto.
2621         (*ix86_gen_clzero): Ditto.
2622         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
2623         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
2624         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
2625         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
2626         Use gen_sse3_monitor instead of ix86_gen_monitor.
2627         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
2628         instead of ix86_gen_monitorx.
2629         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
2630         instead of ix86_gen_clzero.
2631         * config/i386/i386-options.c (ix86_option_override_internal):
2632         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
2633         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
2634
2635 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
2636
2637         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
2638         Rename from tls_global_dynamic_64_<mode>.
2639         (@tls_local_dynamic_base_64_<mode>): Rename from
2640         tls_local_dynamic_base_64_<mode>.
2641         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
2642         Remove indirect function.
2643         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
2644         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
2645         instead of ix86_gen_tls_global_dynamic_64.
2646         Use gen_tls_local_dynamic_base_64 instead of
2647         ix86_gen_tls_local_dynamic_base_64.
2648         * config/i386/i386-options.c (ix86_option_override_internal):
2649         Do not initialize ix86_gen_tls_global_dynamic_64 and
2650         ix86_gen_tls_local_dynamic_base_64.
2651
2652 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
2653
2654         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
2655         Rename from pro_epilogue_adjust_stack_<mode>_add.
2656         (@pro_epilogue_adjust_stack_sub_<mode>)
2657         Rename from pro_epilogue_adjust_stack_<mode>_sub.
2658         (@allocate_stack_worker_probe_<mode>):
2659         Rename from allocate_stack_worker_probe_<mode>.
2660         (allocate_stack): Use gen_allocate_stack_worker_probe.
2661         (probe_stack): Use gen_probe_stack_1.
2662         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
2663         (@adjust_stack_and_probe_<mode>): Rename from
2664         adjust_stack_and_probe<mode>.
2665         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
2666         (stack_protect_set): Use gen_stack_protect_set_1.
2667         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
2668         (stack_protect_test): Use gen_stack_protect_test_1.
2669         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
2670         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
2671         Remove indirect function.
2672         (*ix86_gen_adjust_stack_and_probe): Ditto.
2673         (*ix86_gen_probe_stack_range): Ditto.
2674         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
2675         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
2676         (ix86_adjust_stack_and_probe_stack_clash): Use
2677         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
2678         (ix86_adjust_stack_and_probe): Ditto.
2679         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
2680         of ix86_gen_probe_stack_range.
2681         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
2682         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
2683         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
2684         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
2685         CODE_FOR_stack_protect_test_{si,di}.
2686         * config/i386/i386-options.c (ix86_option_override_internal):
2687         Do not initialize ix86_gen_allocate_stack_worker,
2688         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
2689
2690 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
2691
2692         * doc/invoke.texi (Link Options): Many editorial changes around
2693         -flinker-output.
2694
2695 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2696
2697         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
2698         pre-Solaris 11 referene and most Studio compiler details.
2699
2700 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
2701
2702         PR target/90530
2703         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
2704         DImode to SImode in floating-point registers on 64-bit target.
2705         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
2706         register_operand in xmpyu patterns.
2707
2708 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2709
2710         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
2711         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
2712         OMP_CLAUSE__REDUCTEMP_.
2713         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
2714         OMP_CLAUSE__CONDTEMP_.
2715         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
2716         * tree-pretty-print.c (dump_omp_clause): Likewise.
2717         * tree-nested.c (convert_nonlocal_omp_clauses,
2718         convert_local_omp_clauses): Likewise.
2719         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
2720         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
2721         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
2722         on OMP_FOR.
2723         (gimplify_omp_for): Warn and disable conditional modifier from
2724         lastprivate on loop iterators.
2725         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
2726         member.
2727         * omp-general.c (omp_extract_for_data): Initialize it.
2728         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
2729         member.
2730         (delete_omp_context): Delete it.
2731         (lower_lastprivate_conditional_clauses): New function.
2732         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
2733         handle lastprivate conditional clauses.
2734         (lower_reduction_clauses): Add CLIST argument, emit it into
2735         the critical section if any.
2736         (lower_omp_sections): Adjust lower_lastprivate_clauses and
2737         lower_reduction_clauses callers.
2738         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
2739         to lower_lastprivate_clauses.
2740         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
2741         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
2742         clist into a critical section if not emitted there already by
2743         lower_reduction_clauses.
2744         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
2745         callers.
2746         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
2747         conditional variables.
2748         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
2749         clause is present.
2750         (expand_omp_for_generic, expand_omp_for_static_nochunk,
2751         expand_omp_for_static_chunk): Handle lastprivate conditional.
2752         (expand_omp_for): Handle fd.lastprivate_conditional like
2753         fd.have_reductemp.
2754
2755 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2756
2757         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
2758         kernel does not exit cleanly.
2759         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
2760
2761 2019-05-24  Jason Merrill  <jason@redhat.com>
2762
2763         Revert:
2764         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2765
2766 2019-05-24  Richard Biener  <rguenther@suse.de>
2767
2768         PR testsuite/90607
2769         * tree-loop-distribution.c (struct partition): Add location
2770         member.
2771         (partition_alloc): Initialize all fields.
2772         (generate_memset_builtin): Use the location recorded in the
2773         partition for the generated call.
2774         (generate_memcpy_builtin): Likewise.
2775         (classify_partition): Record the location of a single store
2776         as location for the partition.
2777
2778 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2779
2780         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
2781         for lo-part.
2782
2783 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
2784
2785         PR target/90588
2786         * common/config/aarch64/aarch64-common.c
2787         (aarch64_rewrite_selected_cpu): Change local temporary variable
2788         type from unsigned long to uint64_t.
2789         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
2790         aarch64_get_extension_string_for_isa_flags): Change declaration to
2791         match new definition by replacing unsigned long with uint64_t.
2792
2793 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2794
2795         PR target/90568
2796         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
2797         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
2798         Handle stack_protect_test_<mode> codegen similarly to corresponding
2799         sub instruction.
2800
2801 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
2802
2803        * config/i386/darwin.h: Reject -mfentry*.
2804        * doc/sourcebuild.texi: Document mfentry target support.
2805
2806 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2807
2808         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
2809         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
2810         false for PC-relative functions.
2811         (rs6000_output_function_prologue): Change called function name to
2812         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
2813         name,1" for PC-relative functions.
2814         (rs6000_elf_declare_function_name): Change called function name to
2815         rs6000_global_entry_point_prologue_needed_p.
2816
2817 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
2818
2819         PR target/90552
2820         * config/i386/i386.c (gen_rtx_cost):
2821         Use ix86_tune_cost instead of ix86_cost.
2822
2823 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2824             Michael Meissner  <meissner@linux.ibm.com>
2825             Segher Boessenkool  <segher@kernel.crashing.org>
2826
2827         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
2828         OPTION_MASK_PCREL.
2829         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
2830         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
2831         (rs6000_fndecl_pcrel_p): Likewise.
2832         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
2833         error if -mpcrel is requested without -mcpu=future.
2834         (rs6000_opt_masks): Add entry for pcrel.
2835         (rs6000_fndecl_pcrel_p): New function.
2836         (rs6000_pcrel_p): Likewise.
2837         * config/rs6000/rs6000.opt (mpcrel): New option.
2838         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
2839
2840 2019-05-23  Jan Hubicka  <jh@suse.cz>
2841             Martin Liska  <mliska@suse.cz>
2842
2843         PR tree-optimization/90576
2844         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
2845         poly_int_tree_p.
2846         (aliasing_component_refs_p): Fix three way size compare conditional;
2847         give up earlier in case we can not decide on equivalence.
2848
2849 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2850             Michael Meissner  <meissner@linux.ibm.com>
2851             Segher Boessenkool  <segher@kernel.crashing.org>
2852
2853         * config.gcc: Add future cpu.
2854         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
2855         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
2856         #define.
2857         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
2858         (RS6000_CPU): New instantiation for future cpu.
2859         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2860         PROCESSOR_FUTURE.
2861         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
2862         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
2863         * config/rs6000/rs6000-tables.opt: Regenerate.
2864         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
2865         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
2866         (rs6000_machine_from_flags): Handle future cpu.
2867         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
2868         PROCESSOR_POWER9 for now.
2869         (rs6000_adjust_cost): Likewise.
2870         (rs6000_issue_rate): Likewise.
2871         (rs6000_register_move_cost): Likewise.
2872         (rs6000_opt_masks): Add entry for future.
2873         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
2874         (MASK_FUTURE): New #define.
2875         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
2876         * config/rs6000/rs6000.opt (mfuture): New target option.
2877         * doc/invoke.texi (mcpu): Add future cpu.
2878
2879 2019-05-23  Martin Liska  <mliska@suse.cz>
2880
2881         PR c++/90587
2882         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
2883         operation points to a temporary (pointed via tree_to_wide_ref)
2884         that is out of scope after the &.
2885
2886 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
2887
2888         PR c++/90592
2889         * doc/extend.texi (Function Names): Add missing word.
2890
2891 2019-05-23  Richard Biener  <rguenther@suse.de>
2892
2893         PR tree-optimization/88440
2894         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2895         at -O[2s]+.
2896         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2897         generated call.
2898         (generate_memcpy_builtin): Likewise.
2899         (distribute_loop): Pass in whether to only distribute patterns.
2900         (prepare_perfect_loop_nest): Also allow size optimization.
2901         (pass_loop_distribution::execute): When optimizing a loop
2902         nest for size allow pattern replacement.
2903
2904 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2905
2906         PR target/90568
2907         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2908         of xor.
2909
2910 2019-05-23  Martin Liska  <mliska@suse.cz>
2911
2912         PR sanitizer/90570
2913         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2914         expression similarly to gimplify_decl_expr.
2915
2916 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2917
2918         * cse.c (cse_dump_path): s/dump_file/f.
2919
2920 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2921
2922         PR c++/90462
2923         * diagnostic-format-json.cc: Include "selftest.h".
2924         (json_from_expanded_location): Only add "file" key for non-NULL
2925         file strings.
2926         (json_from_location_range): Don't add "start" and "finish"
2927         children if they are UNKNOWN_LOCATION.
2928         (selftest::test_unknown_location): New selftest.
2929         (selftest::test_bad_endpoints): New selftest.
2930         (selftest::diagnostic_format_json_cc_tests): New function.
2931         * json.cc (json::object::get): New function.
2932         (selftest::test_object_get): New selftest.
2933         (selftest::json_cc_tests): Call it.
2934         * json.h (json::object::get): New decl.
2935         * selftest-run-tests.c (selftest::run_tests): Call
2936         selftest::diagnostic_format_json_cc_tests.
2937         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2938         decl.
2939
2940 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2941             Andrew Stubbs  <amd@codesourcery.com>
2942
2943         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2944         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2945         (kernel): Rename to...
2946         (main_kernel): ... this.
2947         (load_image): Load _init_array and _fini_array kernels.
2948         (run): Add argument for kernel to run.
2949         (main): Run init_array_kernel before main_kernel, and
2950         fini_array_kernel after.
2951         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2952         amdgpu_hsa_kernel attribute on functions.
2953         (gcn_disable_constructors): Delete.
2954         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2955         * config/gcn/crt0.c (size_t): Define.
2956         (_init_array, _fini_array): New.
2957         (__preinit_array_start, __preinit_array_end,
2958         __init_array_start, __init_array_end,
2959         __fini_array_start, __fini_array_end): Declare weak references.
2960
2961 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2962
2963         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2964
2965 2019-05-22  Jason Merrill  <jason@redhat.com>
2966
2967         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2968
2969 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2970
2971         PR target/88483
2972         * config/i386/i386-options.c (ix86_init_machine_status): Set
2973         stack_frame_required to true.
2974         * config/i386/i386.c (ix86_get_frame_size): New function.
2975         (ix86_frame_pointer_required): Replace get_frame_size with
2976         ix86_get_frame_size.
2977         (ix86_compute_frame_layout): Likewise.
2978         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2979         stack_frame_required.
2980         (ix86_finalize_stack_frame_flags): Always call
2981         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2982         ix86_get_frame_size.
2983         * config/i386/i386.h (machine_function): Add stack_frame_required.
2984
2985 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2986
2987         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2988
2989 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2990
2991         * common/config/aarch64/aarch64-common.c
2992         (struct aarch64_option_extension, struct processor_name_to_arch,
2993         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2994         aarch64_contains_opt,
2995         aarch64_get_extension_string_for_isa_flags): Change type of
2996         variables storing flags to uint64_t.
2997         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2998         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2999         * config/aarch64/aarch64.c (struct processor,
3000         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
3001         aarch64_validate_march, aarch64_override_options,
3002         aarch64_option_print, aarch64_handle_attr_isa_flags,
3003         aarch64_declare_function_name, aarch64_start_file): Make flag
3004         variables uint64_t.
3005         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
3006         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
3007         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
3008         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
3009         * config/aarch64/driver-aarch64.c
3010         (struct aarch64_arch_extension, struct aarch64_core_data,
3011         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
3012         flag variables uint64_t.
3013         * doc/invoke.texi: Add documentation for new arguments.
3014
3015 2019-05-22  Richard Biener  <rguenther@suse.de>
3016
3017         * alias.c (ao_ref_from_mem): Move stack-slot sharing
3018         rewrite ...
3019         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
3020
3021 2019-05-22  Martin Liska  <mliska@suse.cz>
3022
3023         PR lto/90500
3024         * doc/extend.texi: Document the change.
3025
3026 2019-05-22  Richard Biener  <rguenther@suse.de>
3027
3028         PR tree-optimization/90450
3029         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
3030         (mem_ref_hasher::equal): Check it.
3031         (mem_ref_alloc): Initialize it.
3032         (gather_mem_refs_stmt): Set it.
3033
3034 2019-05-22  Richard Biener  <rguenther@suse.de>
3035
3036         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
3037         Add ABS_EXPR.
3038         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
3039         as ABSU_EXPR.
3040
3041 2019-05-22  Alan Modra  <amodra@gmail.com>
3042
3043         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
3044         (ASM_CPU_SPEC): Conditionally add -many.
3045         * config/rs6000/rs6000.c (rs6000_machine): New static var.
3046         (rs6000_machine_from_flags, emit_asm_machine): New functions..
3047         (rs6000_file_start): ..extracted from here, and modified to
3048         test all ISA bits.
3049         (rs6000_output_function_prologue): Emit .machine as necessary.
3050         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
3051         power mnemonics.
3052         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
3053         added by check_vect_support_and_set_flags.
3054         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
3055         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
3056
3057 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
3058
3059         PR middle-end/90553
3060         * ira-lives.c (process_bb_node_lives): Consider defs
3061         for a call insn to be die before the call, not after.
3062
3063         * function.c (assign_parm_setup_block): Raise alignment of
3064         stacked parameter only for STRICT_ALIGNMENT targets.
3065
3066 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3067
3068         * config/rs6000/constraints.md (define_register_constraint "wz"):
3069         Delete.
3070         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3071         RS6000_CONSTRAINT_wz.
3072         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3073         (rs6000_init_hard_regno_mode_ok): Adjust.
3074         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
3075         * doc/md.texi (Machine Constraints): Adjust.
3076
3077 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3078
3079         * config/rs6000/constraints.md (define_register_constraint "wl"):
3080         Delete.
3081         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3082         RS6000_CONSTRAINT_wl.
3083         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3084         (rs6000_init_hard_regno_mode_ok): Adjust.
3085         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
3086         * doc/md.texi (Machine Constraints): Adjust.
3087
3088 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3089
3090         * config/rs6000/constraints.md (define_register_constraint "wm"):
3091         Delete.
3092         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3093         RS6000_CONSTRAINT_wm.
3094         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3095         (rs6000_init_hard_regno_mode_ok): Adjust.
3096         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
3097         * doc/md.texi (Machine Constraints): Adjust.
3098
3099 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3100
3101         * config/rs6000/constraints.md (define_register_constraint "wk"):
3102         Delete.
3103         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3104         RS6000_CONSTRAINT_wk.
3105         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3106         (rs6000_init_hard_regno_mode_ok): Adjust.
3107         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
3108         * doc/md.texi (Machine Constraints): Adjust.
3109
3110 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3111
3112         * config/rs6000/constraints.md (define_register_constraint "wj"):
3113         Delete.
3114         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3115         RS6000_CONSTRAINT_wj.
3116         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3117         (rs6000_init_hard_regno_mode_ok): Adjust.
3118         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
3119         (VS_64dm): Delete.
3120         * config/rs6000/vsx.md: Ditto.
3121         * doc/md.texi (Machine Constraints): Adjust.
3122
3123 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
3124
3125         * config/rs6000/constraints.md (define_register_constraint "wh"):
3126         Delete.
3127         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3128         RS6000_CONSTRAINT_wh.
3129         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3130         (rs6000_init_hard_regno_mode_ok): Adjust.
3131         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
3132         * doc/md.texi (Machine Constraints): Adjust.
3133
3134 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
3135
3136         PR target/90547
3137         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3138         Avoid calling gen_lowpart with CONST operand.
3139
3140 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
3141
3142         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
3143         field template_last_to_copy.
3144         (ssa_create_duplicates): Set it, and use it.  Attempt to
3145         preserve more debug stmts.
3146
3147 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
3148
3149         * config/i386/sse.md (VF1_AVX2): New mode iterator.
3150         (signbit<mode>2): New expander
3151
3152 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
3153
3154         PR bootstrap/87338
3155         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
3156         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
3157
3158 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
3159
3160         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
3161         %ebx and %ecx bafore calling cpuid with leaf 1 or
3162         non-constant leaf argument.
3163
3164 2019-05-21  Alan Modra  <amodra@gmail.com>
3165
3166         PR target/90545
3167         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
3168         power9 direct move cost.
3169         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
3170         Correct comments and rename functions to suit parameters.
3171
3172 2019-05-21  Richard Biener  <rguenther@suse.de>
3173
3174         PR middle-end/90510
3175         * fold-const.c (fold_read_from_vector): New function.
3176         * fold-const.h (fold_read_from_vector): Declare.
3177         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
3178         single-element insert permutations.  Canonicalize selector
3179         further and fix issue with last commit.
3180
3181 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
3182
3183         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
3184         parameter with default value false to declaration.
3185         (split_edges_for_insertion): New inline function.  Wrapper for
3186         split_critical_edges with for_edge_insertion_p = true.
3187         * tree-cfg.c (split_critical_edges): Don't split non-critical
3188         edges if for_edge_insertion_p is false.  Fix whitespace.
3189         * tree-ssa-pre.c (pass_pre::execute): Call
3190         split_edges_for_insertion instead of split_critical_edges.
3191         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
3192         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
3193         (pass_data_sink_code): Update function name in the comment.
3194
3195 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
3196
3197         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
3198         around is_value_included_in that knows how to handle BIT_AND_EXPR.
3199         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
3200         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
3201         positives.
3202
3203 2019-05-21  Martin Liska  <mliska@suse.cz>
3204
3205         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
3206         an extra newline.
3207         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
3208         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
3209         vec_lvsr.
3210         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3211         Quote a C type.
3212         (rs6000_function_arg): Likewise.
3213         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
3214         (rs6000_expand_ternop_builtin): Use interval syntax.
3215         (get_element_number): Likewise.
3216         (altivec_expand_builtin): Likewise.
3217         (rs6000_get_function_versions_dispatcher): Quote target_clones.
3218
3219 Fix test-suite.
3220
3221 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
3222
3223         PR c++/59813
3224         PR target/90418
3225         * function.h (struct function): Add calls_eh_return member.
3226         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
3227         gimplifying __builtin_eh_return call.
3228         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
3229         to cfun.
3230         (expand_call_inline): Or in src_cfun->calls_eh_return into
3231         dst_cfun->calls_eh_return.
3232         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
3233         cfun->calls_eh_return.
3234         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
3235         * lto-streamer-out.c (output_struct_function_base): Write
3236         calls_eh_return.
3237
3238 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
3239
3240         PR rtl-optimization/43147
3241         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
3242         IX86_BUILTIN_SHUFPD.
3243
3244 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
3245
3246         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
3247         (refs_may_alias_p_1): ... here; update stats.
3248         (refs_may_alias_p): Do not update stats here.
3249
3250 2019-05-20  Richard Biener  <rguenther@suse.de>
3251
3252         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
3253         doesn't produce pointers.
3254         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
3255         the first operand points to.
3256
3257 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
3258
3259         * tree-ssa-alias.c (compare_sizes): New function.
3260         (sompare_type_sizes): New function
3261         (aliasing_component_refs_p): Use it.
3262         (indirect_ref_may_alias_decl_p): Likewise.
3263
3264 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3265
3266         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
3267
3268 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3269
3270         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
3271         (LIBLSAN_EARLY_SPEC): Likewise.
3272         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
3273
3274 2019-05-20  Martin Liska  <mliska@suse.cz>
3275
3276         * config/i386/i386.c (ix86_libc_has_fast_function):
3277         Add ATTRIBUTE_UNUSED for the argument.
3278
3279 2019-05-20  Richard Biener  <rguenther@suse.de>
3280
3281         * gimple-match-head.c: Include vec-perm-indices.h.
3282         * generic-match-head.c: Likewise.
3283         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
3284         is included.
3285         * fold-const.c (fold_vec_perm): Export.
3286         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
3287         (match.pd): ...here.
3288
3289 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
3290
3291         * cfgloop.h (struct loop): Add simdlen member.
3292         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
3293         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
3294         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
3295         as new argument to autovectorize_vector_sizes target hook.  If
3296         loop->simdlen, pick up vector size where the vectorization factor
3297         is equal to loop->simd, and if there is none, fall back to the first
3298         successful one.
3299         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
3300         caller.
3301         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3302         * omp-general.c (omp_max_vf): Likewise.
3303         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
3304         * tree-vect-slp.c (vect_slp_bb): Likewise.
3305         * target.def (autovectorize_vector_sizes): Add ALL argument and
3306         document it.
3307         * doc/tm.texi: Adjust documentation.
3308         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
3309         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
3310         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
3311         bool argument.
3312         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
3313         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
3314         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
3315         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
3316         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
3317         preferred vector size is not 512-bit or 256-bit, just put those
3318         unpreferred ones last.
3319
3320 2019-05-20  Martin Liska  <mliska@suse.cz>
3321
3322         * targhooks.c (default_libc_has_fast_function): New function.
3323         * targhooks.h (default_libc_has_fast_function): Likewise.
3324
3325 2019-05-20  Martin Liska  <mliska@suse.cz>
3326
3327         PR middle-end/90263
3328         * builtins.c (expand_builtin_memory_copy_args): When having a
3329         target with fast mempcpy implementation do now use memcpy.
3330         * config/i386/i386.c (ix86_libc_has_fast_function): New.
3331         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
3332         * doc/tm.texi: Likewise.
3333         * doc/tm.texi.in: Likewise.
3334         * target.def:
3335         * expr.c (emit_block_move_hints): Add 2 new arguments.
3336         * expr.h (emit_block_move_hints): Bail out when libcall
3337         to memcpy would be used.
3338
3339 2019-05-20  Martin Liska  <mliska@suse.cz>
3340
3341         * profile-count.c: Add vertical spacing in order
3342         to separate functions.
3343         * profile-count.h: Likewise.
3344
3345 2019-05-20  Martin Liska  <mliska@suse.cz>
3346
3347         * profile-count.h: Do not use full qualified
3348         names if possible.
3349         * profile-count.c (profile_count::to_frequency): Likewise.
3350
3351 2019-05-20  Martin Liska  <mliska@suse.cz>
3352
3353         * profile-count.h (enum profile_quality): Use capital letters
3354         for enum value names.  Use the adjusted names.
3355         * profile-count.c: Use the adjusted names.
3356
3357 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3358
3359         * config/rs6000/constraints.md (define_register_constraint "wH"):
3360         Delete.
3361         (define_register_constraint "wI"): Delete.
3362         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3363         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
3364         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3365         (rs6000_init_hard_regno_mode_ok): Adjust.
3366         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
3367         resp. "d", or with "wa" as appropriate, all with "p8v".
3368         * config/rs6000/vsx.md: Ditto.
3369         * doc/md.texi (Machine Constraints): Adjust.
3370
3371 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3372
3373         * config/rs6000/constraints.md (define_register_constraint "wy"):
3374         Delete.
3375         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3376         RS6000_CONSTRAINT_wy.
3377         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3378         (rs6000_init_hard_regno_mode_ok): Adjust.
3379         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
3380         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
3381         (define_mode_attr Fisa): New.
3382         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
3383         * doc/md.texi (Machine Constraints): Adjust.
3384
3385 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3386
3387         * config/rs6000/constraints.md (define_register_constraint "wu"):
3388         Delete.
3389         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3390         RS6000_CONSTRAINT_wu.
3391         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3392         (rs6000_init_hard_regno_mode_ok): Adjust.
3393         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
3394         both with "p8v".
3395         (define_mode_attr Fa): Delete.
3396         * config/rs6000/vsx.md: Ditto.
3397         * doc/md.texi (Machine Constraints): Adjust.
3398
3399 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3400
3401         * config/rs6000/constraints.md (define_register_constraint "wJ"):
3402         Delete.
3403         (define_register_constraint "wK"): Delete.
3404         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3405         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
3406         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3407         (rs6000_init_hard_regno_mode_ok): Adjust.
3408         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
3409         Replace "wK" constraint by "wH" with "p9v".
3410         * config/rs6000/vsx.md: Ditto.
3411         * doc/md.texi (Machine Constraints): Adjust.
3412
3413 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3414
3415         * config/rs6000/constraints.md (define_register_constraint "wb"):
3416         Delete.
3417         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3418         RS6000_CONSTRAINT_wb.
3419         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3420         (rs6000_init_hard_regno_mode_ok): Adjust.
3421         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
3422         * config/rs6000/vsx.md: Ditto.
3423         * doc/md.texi (Machine Constraints): Adjust.
3424
3425 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3426
3427         * config/rs6000/constraints.md (define_register_constraint "wo"):
3428         Delete.
3429         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
3430         RS6000_CONSTRAINT_wo.
3431         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
3432         (rs6000_init_hard_regno_mode_ok): Adjust.
3433         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
3434         * config/rs6000/altivec.md: Ditto.
3435         * doc/md.texi (Machine Constraints): Adjust.
3436
3437 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
3438
3439         * config/darwin-c.c (darwin_register_objc_includes): Do not
3440         prepend the sysroot when building gnu-runtime header search
3441         paths.
3442
3443 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
3444
3445         * config/darwin.c (darwin_file_end): Use switch_to_section ()
3446         instead of direct output of the asm.
3447
3448 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
3449
3450         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
3451         argument to be type bool (was int before).
3452         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
3453         at first use.  Use type bool for some variables.  Fix a theoretical
3454         eh_return bug for svr4.
3455
3456 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
3457
3458         * config/rs6000/rs6000.md (isa): New attribute.
3459         (enabled): New attribute.
3460
3461 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
3462
3463         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
3464         assemble_start_function and assemble_end_function.
3465
3466 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
3467
3468         PR middle-end/89433
3469         * omp-general.c (oacc_verify_routine_clauses): Change formal
3470         parameters.  Add checking if already marked with an OpenACC
3471         'routine' directive.  Adjust all users.
3472
3473         PR middle-end/89433
3474         * omp-general.c (oacc_build_routine_dims): Move some of its
3475         processing into...
3476         (oacc_verify_routine_clauses): ... this new function.
3477         * omp-general.h (oacc_verify_routine_clauses): New prototype.
3478
3479 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
3480
3481         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
3482         formating of picbase labels to match other ports.
3483
3484 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
3485
3486         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
3487         in the generated code.
3488
3489 2019-05-16  Martin Sebor  <msebor@redhat.com>
3490
3491         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
3492         identifiers, keywords, operators, and types in diagnostics.  Correct
3493         quoting, spelling, and sentence capitalization issues.
3494         (expand_builtin_atomic_is_lock_free): Same.
3495         (fold_builtin_next_arg): Same.
3496         * cfgexpand.c (expand_one_var): Same.
3497         (tree_conflicts_with_clobbers_p): Same.
3498         (expand_asm_stmt): Same.
3499         (verify_loop_structure): Same.
3500         * cgraphunit.c (process_function_and_variable_attributes): Same.
3501         * collect-utils.c (collect_execute): Same.
3502         * collect2.c (maybe_run_lto_and_relink): Same.
3503         (is_lto_object_file): Same.
3504         (scan_prog_file): Same.
3505         * convert.c (convert_to_real_1): Same.
3506         * dwarf2out.c (dwarf2out_begin_prologue): Same.
3507         * except.c (verify_eh_tree): Same.
3508         * gcc.c (execute): Same.
3509         (eval_spec_function): Same.
3510         (run_attempt): Same.
3511         (driver::set_up_specs): Same.
3512         (compare_debug_auxbase_opt_spec_function): Same.
3513         * gcov-tool.c (unlink_gcda_file): Same.
3514         (do_merge): Same.
3515         (do_rewrite): Same.
3516         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
3517         * gimplify.c (gimplify_asm_expr): Same.
3518         (gimplify_adjust_omp_clauses): Same.
3519         * hsa-gen.c (gen_hsa_addr_insns): Same.
3520         (gen_hsa_insns_for_load): Same.
3521         (gen_hsa_cmp_insn_from_gimple): Same.
3522         (gen_hsa_insns_for_operation_assignment): Same.
3523         (gen_get_level): Same.
3524         (gen_hsa_alloca): Same.
3525         (omp_simple_builtin::generate): Same.
3526         (gen_hsa_atomic_for_builtin): Same.
3527         (gen_hsa_insns_for_call): Same.
3528         * input.c (dump_location_info): Same.
3529         * ipa-devirt.c (compare_virtual_tables): Same.
3530         * ira.c (ira_setup_eliminable_regset): Same.
3531         * lra-assigns.c (lra_assign): Same.
3532         * lra-constraints.c (lra_constraints): Same.
3533         * lto-streamer-in.c (lto_input_mode_table): Same.
3534         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
3535         (merge_and_complain): Same.
3536         (compile_offload_image): Same.
3537         (compile_images_for_offload_targets): Same.
3538         (debug_objcopy): Same.
3539         (run_gcc): Same.
3540         (main): Same.
3541         * opts.c (print_specific_help): Same.
3542         (parse_no_sanitize_attribute): Same.
3543         (print_help): Same.
3544         (handle_param): Same.
3545         * plugin.c (add_new_plugin): Same.
3546         (parse_plugin_arg_opt): Same.
3547         (try_init_one_plugin): Same.
3548         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
3549         operators, and types in diagnostics.  Correct quoting and spelling
3550         issues.
3551         * read-rtl-function.c (parse_edge_flag_token): Same.
3552         (function_reader::parse_enum_value): Same.
3553         * reg-stack.c (check_asm_stack_operands): Same.
3554         * regcprop.c (validate_value_data): Same.
3555         * sched-rgn.c (make_pass_sched_fusion): Same.
3556         * stmt.c (check_unique_operand_names): Same.
3557         * targhooks.c (default_target_option_pragma_parse): Same.
3558         * tlink.c (recompile_files): Same.
3559         * toplev.c (process_options): Same.
3560         (do_compile): Same.
3561         * trans-mem.c (diagnose_tm_1): Same.
3562         (ipa_tm_scan_irr_block): Same.
3563         (ipa_tm_diagnose_transaction): Same.
3564         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
3565         format a tree code name in a diagnostic.
3566         (verify_types_in_gimple_min_lval): Same.
3567         (verify_types_in_gimple_reference): Same.
3568         (verify_gimple_call): Same.
3569         (verify_gimple_assign_unary): Same.
3570         (verify_gimple_assign_binary): Same.
3571         (verify_gimple_assign_ternary): Same.
3572         (verify_gimple_assign_single): Same.
3573         (verify_gimple_switch): Same.
3574         (verify_gimple_label): Same.
3575         (verify_gimple_phi): Same.
3576         (verify_gimple_in_seq): Same.
3577         (verify_eh_throw_stmt_node): Same.
3578         (collect_subblocks): Same.
3579         (gimple_verify_flow_info): Same.
3580         (do_warn_unused_result): Same.
3581         * tree-inline.c (expand_call_inline): Same.
3582         * tree-into-ssa.c (update_ssa): Same.
3583         * tree.c (tree_int_cst_elt_check_failed): Same.
3584         (tree_vec_elt_check_failed): Same.
3585         (omp_clause_operand_check_failed): Same.
3586         (verify_type_variant): Same.
3587         (verify_type): Same.
3588         * value-prof.c (verify_histograms): Same.
3589         * varasm.c (assemble_start_function): Same.
3590
3591 2019-05-16  Martin Sebor  <msebor@redhat.com>
3592
3593         * config/i386/i386-expand.c (get_element_number): Quote keywords
3594         and other internal names in diagnostics.  Adjust other diagnostic
3595         formatting issues noted by -Wformat-diag.
3596         * config/i386/i386-features.c
3597         (ix86_mangle_function_version_assembler_name): Same.
3598         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
3599         * config/i386/i386.c (ix86_function_type_abi): Same.
3600         (ix86_function_ms_hook_prologue): Same.
3601         (classify_argument): Same.
3602         (ix86_expand_prologue): Same.
3603         (ix86_md_asm_adjust): Same.
3604         (ix86_memmodel_check): Same.
3605
3606 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
3607
3608         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
3609         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
3610         and fpxx modes.
3611
3612 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
3613
3614         PR target/90497
3615         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
3616         intrinsics without SSE/SSE2/SSSE3.
3617         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
3618         check.
3619         (*mmx_uavgv8qi3): Likewise.
3620
3621 2019-05-17  Richard Biener  <rguenther@suse.de>
3622
3623         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
3624         VEC_PERM_EXPR as __VEC_PERM with -gimple.
3625
3626 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
3627
3628         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
3629         vec_sldw insn pattern.
3630
3631 2019-05-17  Richard Biener  <rguenther@suse.de>
3632
3633         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
3634
3635 2019-05-17  Martin Liska  <mliska@suse.cz>
3636
3637         PR driver/90496
3638         * toplev.c (output_stack_usage): With LTO and sanitizer it
3639         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
3640         has no file location.
3641
3642 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
3643
3644         PR c++/90484
3645         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
3646         sz0 is equal to sz1, instead return false in that case.
3647
3648         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
3649         has non-constant expression, force sctx.lane and use two
3650         argument IFN_GOMP_SIMD_LANE instead of single argument.
3651         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
3652         two argument IFN_GOMP_SIMD_LANE without lhs.
3653         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
3654         member.
3655         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
3656         Define.
3657         (LOOP_REQUIRES_VERSIONING): Or in
3658         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
3659         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
3660         simd_if_cond.
3661         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
3662         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
3663         from simd if clause if needed.
3664
3665 2019-05-16  Richard Biener  <rguenther@suse.de>
3666
3667         * tree-affine.c (expr_to_aff_combination): New function split
3668         out from...
3669         (tree_to_aff_combination): ... here.
3670         (aff_combination_expand): Avoid building a GENERIC tree.
3671
3672 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
3673
3674         * cgraphunit.c (cgraph_node::expand_thunk): Remove
3675         assemble_start_function and assemble_end_function calls.
3676         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
3677         assemble_start_function and assemble_end_function.
3678         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
3679         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
3680         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
3681         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
3682         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
3683         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
3684         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
3685         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
3686         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
3687         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3688         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
3689         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
3690         Likewise.
3691         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3692         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
3693         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
3694         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
3695         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3696         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3697         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
3698         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
3699         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3700         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3701         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3702         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3703         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
3704         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
3705         Likewise.
3706         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3707         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3708         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
3709
3710 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
3711
3712         * tree-ssa-alias.c (alias_stats): Add
3713         aliasing_component_refs_p_may_alias and
3714         aliasing_component_refs_p_no_alias.
3715         (dump_alias_stats): Print aliasing_component_refs_p stats.
3716         (aliasing_component_refs_p): Update stats.
3717
3718 2019-05-16  Martin Liska  <mliska@suse.cz>
3719
3720         PR lto/90500
3721         * multiple_target.c (expand_target_clones): Do not allow
3722         target_clones being used with a symbol that is an alias.
3723
3724 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
3725
3726         PR tree-optimization/90394
3727         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
3728         positives rather than ICE for cases where (code2 == NE_EXPR
3729         && code1 == BIT_AND_EXPR).
3730
3731 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
3732
3733         PR fortran/90329
3734         * tree-core.h (struct tree_decl_common): Document
3735         decl_nonshareable_flag for PARM_DECLs.
3736         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
3737         * calls.c (expand_call): Don't try tail call if caller
3738         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
3739         passed on the stack and callee needs to pass any arguments on the
3740         stack.
3741         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
3742         else if instead of series of mutually exclusive ifs.  Handle
3743         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
3744         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
3745
3746         * lto-streamer.h (LTO_major_version): Bump to 9.
3747
3748 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
3749
3750         PR tree-optimization/90106
3751         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
3752         new parameter as new internal function call, also move it to new
3753         basic block.
3754         (use_internal_fn): Pass internal function call to
3755         shrink_wrap_one_built_in_call_with_conds.
3756
3757 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
3758
3759         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
3760         max_vf to 1.
3761         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
3762         safelen_int and set loop->dont_vectorize.
3763
3764 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3765
3766         PR target/89021
3767         * config/i386/i386-builtin.def: Enable MMX intrinsics with
3768         SSE/SSE2/SSSE3.
3769         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
3770         Likewise.
3771         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
3772         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
3773         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
3774         is defined.
3775
3776 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3777
3778         PR target/89021
3779         * config/i386/mmx.md (*vec_dupv2sf): Changed to
3780         define_insn_and_split to support SSE emulation.
3781         (*vec_extractv2sf_0): Likewise.
3782         (*vec_extractv2sf_1): Likewise.
3783         (*vec_extractv2si_0): Likewise.
3784         (*vec_extractv2si_1): Likewise.
3785         (*vec_extractv2si_zext_mem): Likewise.
3786         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
3787         (vec_extractv2sf_1 splitter): Likewise.
3788         (vec_extractv2sfsf): Likewise.
3789         (vec_setv2si): Likewise.
3790         (vec_extractv2si_1 splitter): Likewise.
3791         (vec_extractv2sisi): Likewise.
3792         (vec_setv4hi): Likewise.
3793         (vec_extractv4hihi): Likewise.
3794         (vec_setv8qi): Likewise.
3795         (vec_extractv8qiqi): Likewise.
3796         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3797         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
3798         (vec_extractv2sisi): Likewise.
3799         (vec_extractv4hihi): Likewise.
3800         (vec_extractv8qiqi): Likewise.
3801         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3802         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
3803         (vec_initv2sisi): Likewise.
3804         (vec_initv4hihi): Likewise.
3805         (vec_initv8qiqi): Likewise.
3806         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
3807         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
3808         (vec_setv4hi): Likewise.
3809         (vec_setv8qi): Likewise.
3810
3811 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3812
3813         PR target/89021
3814         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
3815         TARGET_MMX_WITH_SSE.
3816         (MMXMODE:*mov<mode>_internal): Likewise.
3817         (MMXMODE:movmisalign<mode>): Likewise.
3818
3819 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
3820
3821         PR target/89021
3822         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
3823         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
3824         (sse2_cvtpd2pi): Ditto.
3825         (sse2_cvttpd2pi): Ditto.
3826         (*vec_concatv2sf_sse4_1): Ditto.
3827         (*vec_concatv2sf_sse): Ditto.
3828         (*vec_concatv2si_sse4_1): Ditto.
3829         (*vec_concatv2si): Ditto.
3830         (*vec_concatv4si_0): Ditto.
3831         (*vec_concatv2di_0): Ditto.
3832
3833 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3834
3835         PR target/89021
3836         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
3837
3838 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3839
3840         PR target/89021
3841         * config/i386/sse.md (ssse3_palignrdi): Changed to
3842         define_insn_and_split to support SSE emulation.
3843
3844 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3845
3846         PR target/89021
3847         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
3848
3849 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3850
3851         PR target/89021
3852         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
3853         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3854         SSE emulation.
3855
3856 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3857
3858         PR target/89021
3859         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
3860         or TARGET_MMX_WITH_SSE.
3861         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
3862
3863 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3864
3865         PR target/89021
3866         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
3867
3868 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3869
3870         PR target/89021
3871         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
3872         Changed to define_insn_and_split to support SSE emulation.
3873
3874 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3875
3876         PR target/89021
3877         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
3878         Changed to define_insn_and_split to support SSE emulation.
3879
3880 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3881
3882         PR target/89021
3883         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
3884         (*mmx_<emms>): This.
3885         (mmx_<emms>): New expander.
3886
3887 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3888
3889         PR target/89021
3890         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
3891         support.
3892         (*sse2_umulv1siv1di3): Add SSE2 emulation.
3893
3894 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3895
3896         PR target/89021
3897         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
3898
3899 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3900
3901         PR target/89021
3902         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3903
3904 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3905
3906         PR target/89021
3907         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3908         TARGET_MMX_WITH_SSE.
3909         (*mmx_uavgv4hi3): Add SSE emulation.
3910
3911 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3912
3913         PR target/89021
3914         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3915         and TARGET_MMX_WITH_SSE.
3916         (*mmx_uavgv8qi3): Add SSE emulation.
3917
3918 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3919
3920         PR target/89021
3921         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3922         maskmovdqu for __MMX_WITH_SSE__.
3923
3924 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3925
3926         PR target/89021
3927         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3928         TARGET_MMX and TARGET_MMX_WITH_SSE.
3929         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3930
3931 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3932
3933         PR target/89021
3934         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3935         define_insn_and_split to support SSE emulation.
3936
3937 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3938
3939         PR target/89021
3940         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3941         and TARGET_MMX_WITH_SSE.
3942         (mmx_<code>v8qi3): Likewise.
3943         (smaxmin:<code>v4hi3): New.
3944         (umaxmin:<code>v8qi3): Likewise.
3945         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3946         (umaxmin:*mmx_<code>v8qi3): Likewise.
3947
3948 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3949
3950         PR target/89021
3951         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3952         TARGET_MMX_WITH_SSE.
3953         (*mmx_pinsrw): Add SSE emulation.
3954
3955 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3956
3957         PR target/89021
3958         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3959
3960 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3961
3962         PR target/89021
3963         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3964         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3965         SSE emulation.
3966
3967 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3968
3969         PR target/89021
3970         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3971         (sse_cvttps2pi): Likewise.
3972
3973 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3974
3975         PR target/89021
3976         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3977         TARGET_MMX_WITH_SSE.
3978         (mmx_pshufw_1): Add SSE emulation.
3979         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3980         TARGET_MMX_WITH_SSE to support SSE emulation.
3981
3982 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3983
3984         PR target/89021
3985         * config/i386/constraints.md (Yw): New constraint.
3986         * config/i386/mmx.md (*vec_dupv2si): Changed to
3987         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3988         support SSE emulation.
3989
3990 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3991
3992         PR target/89021
3993         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3994         TARGET_MMX_WITH_SSE.
3995         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3996         support.
3997         (mmx_gt<mode>3): Likewise.
3998
3999 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4000
4001         PR target/89021
4002         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
4003         TARGET_MMX_WITH_SSE.  Add SSE support.
4004
4005 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4006
4007         PR target/89021
4008         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
4009         TARGET_MMX_WITH_SSE.
4010         (any_logic:<code><mode>3): New.
4011         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
4012         Add SSE support.
4013
4014 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4015
4016         PR target/89021
4017         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
4018         TARGET_MMX_WITH_SSE.  Add SSE emulation.
4019         (mmx_<shift_insn><mode>3): Likewise.
4020         (ashr<mode>3): New.
4021         (<shift_insn><mode>3): Likewise.
4022
4023 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4024
4025         PR target/89021
4026         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
4027         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
4028
4029 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4030
4031         PR target/89021
4032         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
4033         TARGET_MMX_WITH_SSE.
4034         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
4035         SSE support.
4036
4037 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4038
4039         PR target/89021
4040         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
4041         TARGET_MMX_WITH_SSE.
4042         (mulv4hi3): New.
4043         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
4044         support.
4045
4046 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4047
4048         PR target/89021
4049         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
4050         (plusminus:mmx_<plusminus_insn><mode>3): Check
4051         TARGET_MMX_WITH_SSE.
4052         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
4053         (<plusminus_insn><mode>3): New.
4054         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
4055         (*mmx_<plusminus_insn><mode>3): Likewise.
4056
4057 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4058
4059         PR target/89021
4060         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
4061         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
4062         prototype.
4063         * config/i386/mmx.m (mmx_punpckhbw): Changed to
4064         define_insn_and_split to support SSE emulation.
4065         (mmx_punpcklbw): Likewise.
4066         (mmx_punpckhwd): Likewise.
4067         (mmx_punpcklwd): Likewise.
4068         (mmx_punpckhdq): Likewise.
4069         (mmx_punpckldq): Likewise.
4070
4071 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4072             Uros Bizjak  <ubizjak@gmail.com>
4073
4074         PR target/89021
4075         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
4076         New function.
4077         (ix86_split_mmx_pack): Likewise.
4078         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
4079         New prototype.
4080         (ix86_split_mmx_pack): Likewise.
4081         * config/i386/i386.md (mmx_isa): New.
4082         (enabled): Also check mmx_isa.
4083         * config/i386/mmx.md (any_s_truncate): New code iterator.
4084         (s_trunsuffix): New code attr.
4085         (mmx_packsswb): Removed.
4086         (mmx_packssdw): Likewise.
4087         (mmx_packuswb): Likewise.
4088         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
4089         MMX packsswb/packuswb with SSE2.
4090         (mmx_packssdw): Likewise.
4091         * config/i386/predicates.md (register_mmxmem_operand): New.
4092
4093 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4094
4095         PR target/89021
4096         * config/i386/i386-c.c (ix86_target_macros_internal): Define
4097         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
4098         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
4099         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
4100         (ix86_vector_mode_supported_p): Likewise.
4101         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
4102
4103 2019-05-15  Martin Liska  <mliska@suse.cz>
4104
4105         PR middle-end/90478
4106         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
4107         Check for overflow.
4108
4109 2019-05-15  Richard Biener  <rguenther@suse.de>
4110
4111         * tree-into-ssa.c (pass_build_ssa::execute): Run
4112         update_address_taken before going into SSA.
4113
4114 2019-05-15  Richard Biener  <rguenther@suse.de>
4115
4116         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
4117         as __BIT_FIELD_REF with type with -gimple.
4118
4119 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
4120
4121         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
4122         semantically equivalent branches (left over after prior refactorings).
4123
4124 2019-05-15  Richard Biener  <rguenther@suse.de>
4125
4126         PR tree-optimization/88828
4127         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
4128         bogus check.
4129
4130 2019-05-14  Richard Biener  <rguenther@suse.de>
4131
4132         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
4133         as __VIEW_CONVERT with -gimple.
4134
4135 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
4136
4137         PR target/82920
4138         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
4139         Darwin.
4140
4141 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
4142
4143         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
4144         define_split to become a define_insn_and_split.
4145
4146 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
4147
4148         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
4149         arguments.
4150         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
4151         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
4152         (sibcall_epilogue): Adjust.
4153         (epilogue): Adjust.
4154
4155 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4156
4157         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
4158         to unsupported ones.
4159         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
4160         * config.host: Likewise.
4161         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
4162         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
4163         __svr4__]: Remove "brand" fallback.
4164         [!KSTAT_DATA_STRING]: Remove.
4165         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
4166         to *-*-solaris2*.
4167         (comdat_group): Likewise.
4168         (set_have_as_tls): Likewise.
4169         (gcc_cv_target_dl_iterate_phdr): Likewise.
4170         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
4171         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
4172         * configure: Regenerate.
4173         * doc/install.texi: Simplify Solaris target triplets.
4174         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
4175         (Specific, *-*-solaris2*): Document Solaris 10 removal.
4176         Remove Solaris 10 references.
4177         Remove obsolete Solaris bug reference.
4178         (Specific, sparc-sun-solaris2.10): Remove.
4179
4180 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
4181
4182         * config/i386/i386.md (any_div): New code iterator.
4183         (paired_mod): New code attribute.
4184         (sgnprefix): Handle DIV and UDIV RTXes.
4185         (u): Ditto.
4186         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
4187         and udivmod<mode>4 patterns using any_div code iterator.
4188         (divmod splitters): Macroize splitters using any_div code iterator.
4189         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
4190         (*udivmodsi4_pow2_zext_2): Ditto.
4191         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
4192         and *udivmod<mode>4_noext patterns using any_div code iterator.
4193         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
4194         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
4195         patterns using any_div code iterator.
4196         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
4197         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
4198         patterns using any_div code iterator.
4199         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
4200         udivmodhiqi3 patterns using any_extend code iterator.
4201
4202 2019-05-14  Richard Biener  <rguenther@suse.de>
4203             H.J. Lu  <hongjiu.lu@intel.com>
4204
4205         PR tree-optimization/88828
4206         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
4207         permuting in a single non-constant element not extracted
4208         from a vector.
4209
4210 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
4211
4212         * internal-fn.def (SIGNBIT): New.
4213         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
4214         defined.
4215         (signbitv4sf2): Likewise.
4216
4217 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
4218
4219         PR target/90357
4220         * config/mips/mips.c (mips_split_move): Skip forward SRC into
4221         next insn when the SRC reg is dead.
4222
4223 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
4224
4225         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
4226         (alloc_cand_and_find_basis): Ditto.
4227         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
4228         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
4229         (create_add_imm_cand, slsr_process_cast): Ditto.
4230         (slsr_process_copy, replace_mult_candidate): Ditto.
4231         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
4232         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
4233         (pass_strength_reduction::execute): Init the first NULL element.
4234
4235 2019-05-13  Nathan Sidwell  <nathan@acm.org>
4236
4237         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
4238         (run_attempt): Reformat line break.
4239
4240 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
4241
4242         PR target/90418
4243         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
4244         data registers in sibcall epilogues.
4245         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
4246
4247 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
4248
4249         PR target/89221
4250         * configure.ac (--enable-frame-pointer):
4251         Disable by default for cygwin and mingw.
4252         * configure: Regenerate.
4253
4254 2019-05-13  Nathan Sidwell  <nathan@acm.org>
4255
4256         * dwarf2out.c (breakout_comdat_types): Move comment to correct
4257         piece of code.
4258         (const_ok_for_output_1): Balance parens around #if/#else/#endif
4259         (gen_member_die): Move abstract origin check earlier.  Only VARs
4260         can be static_inline_p.  Simplify splicing control flow.
4261
4262 2019-05-13  Richard Biener  <rguenther@suse.de>
4263
4264         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
4265         VIEW_CONVERT_EXPR.
4266         (vect_build_slp_tree_1): Likewise.
4267
4268 2019-05-13  Richard Biener  <rguenther@suse.de>
4269
4270         PR tree-optimization/90402
4271         * tree-if-conv.c (tree_if_conversion): Value number only
4272         the loop body by making the latch an exit of the region
4273         as well.
4274         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
4275         processing PHIs.
4276         (do_rpo_vn): Deal with multiple edges into the entry block
4277         that are not backedges inside the region by skipping PHIs
4278         of the entry block.
4279
4280 2019-05-13  Richard Biener  <rguenther@suse.de>
4281
4282         PR tree-optimization/90316
4283         * tree-ssa-pre.c (insert_aux): Fold into ...
4284         (insert): ... this function.  Use a RPO walk to reduce the
4285         number of required iterations.
4286
4287 2019-05-13  Martin Liska  <mliska@suse.cz>
4288
4289         PR tree-optimization/90416
4290         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
4291         string instead of passing the second part as va_arg argument.
4292
4293 2019-05-13  Martin Liska  <mliska@suse.cz>
4294
4295         PR gcov-profile/90380
4296         * gcov.c (handle_cycle): Do not support zero cycle count,
4297         it should not be possible.
4298         (path_contains_zero_cycle_arc): New function.
4299         (circuit): Ignore zero cycle arc counts.
4300
4301 2019-05-13  Martin Liska  <mliska@suse.cz>
4302
4303         PR gcov-profile/90380
4304         * gcov.c (enum loop_type): Remove the enum and
4305         the operator.
4306         (handle_cycle): Assert that we should not reach
4307         a negative count.
4308         (circuit): Use loop_found instead of a tri-state loop_type.
4309         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
4310         happen.
4311
4312 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
4313
4314         PR target/82920
4315         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
4316         (ix86_output_indirect_branch_via_reg): Use output mechanism
4317         accounting for __USER_LABEL_PREFIX__.
4318         (ix86_output_indirect_branch_via_push): Likewise.
4319         (ix86_output_function_return): Likewise.
4320         (ix86_output_indirect_function_return): Likewise.
4321
4322 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
4323
4324         * doc/md.texi: Document use of code attributes in rtx patterns.
4325         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
4326         * read-rtl.c (find_code): Split out search loops into...
4327         (maybe_find_code): ...this new function.
4328         (check_code_iterator): Make the error message more informative.
4329         (check_code_attribute): New function.
4330         (rtx_reader::rtx_alloc_for_name): Likewise.
4331         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
4332         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
4333         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
4334         <max_opp> directly as an rtx code instead of via a match_operator.
4335         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
4336         (<su>abd<mode>_3): Update accordingly.
4337
4338 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
4339
4340         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
4341         is given, print the state of the EH "save world" computation for
4342         Darwin.
4343
4344 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
4345
4346         PR c++/59813
4347         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
4348         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
4349
4350 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
4351
4352         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
4353         Use pinsrd for TARGET_SSE4_1.
4354         * config/i386/sse.md (movdi_to_sse): Ditto.
4355
4356 2019-05-10  Richard Biener  <rguenther@suse.de>
4357
4358         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
4359         (do_rpo_vn): Initialize next_value_id.
4360
4361 2019-05-10  Martin Liska  <mliska@suse.cz>
4362
4363         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
4364         Fix plural form.
4365
4366 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
4367
4368         PR tree-optimization/90385
4369         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
4370         arguments of the exit phis.
4371
4372         PR c++/90383
4373         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
4374         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
4375         id->do_not_fold.
4376         (copy_tree_body_r): Likewise.
4377         (copy_fn): Set id.do_not_fold to true.
4378
4379 2019-05-10  Martin Liska  <mliska@suse.cz>
4380
4381         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
4382         Reapply changes from r269790.
4383
4384 2019-05-10  Martin Liska  <mliska@suse.cz>
4385
4386         PR middle-end/90340
4387         * doc/invoke.texi: New params.
4388         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
4389         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
4390         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
4391         Use it.
4392         * tree-switch-conversion.h (struct jump_table_cluster):
4393         Likewise.
4394
4395 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
4396
4397         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
4398
4399 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
4400
4401         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
4402
4403 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
4404
4405         PR rtl-optimization/88879
4406         * sel-sched.c (sel_target_adjust_priority): Remove assert.
4407
4408 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
4409
4410         PR target/90405
4411         * config/arm/arm.c (callee_saved_reg_p): Move before
4412         thumb_find_work_register.
4413         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
4414         thumb_find_work_register.  Only call df_get_live_out once.
4415         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
4416         (thumb_find_work_register): Use
4417         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
4418         algorithms to locate a spare call clobbered reg.
4419
4420 2019-05-09  Martin Liska  <mliska@suse.cz>
4421
4422         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
4423         and MAX_EXPR in GIMPLE FE format.
4424
4425 2019-05-09  Martin Liska  <mliska@suse.cz>
4426
4427         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
4428         * gimple-pretty-print.c (dump_gimple_bb_header):
4429         Dump BB count.
4430         (pp_cfg_jump): Dump edge probability.
4431         * profile-count.c (profile_quality_as_string): Simplify
4432         with a static array.
4433         (parse_profile_quality): New function.
4434         (profile_count::dump): Simplify with a static array.
4435         (profile_count::from_gcov_type): Add new argument.
4436         * profile-count.h (parse_profile_quality): Likewise.
4437         * predict.h (set_hot_bb_threshold): New.
4438         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
4439         New param.
4440         * predict.c (get_hot_bb_threshold): Set from the new param.
4441         (set_hot_bb_threshold): New.
4442
4443 2019-05-09  Richard Biener  <rguenther@suse.de>
4444
4445         PR tree-optimization/90395
4446         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
4447         rewrite vector stores that throw internally.
4448
4449 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
4450
4451         * cif-code.def (CHKP): Remove.
4452
4453         PR target/89221
4454         * configure.ac (--enable-frame-pointer): Disable by default for
4455         GNU systems.
4456         * configure: Regenerate.
4457
4458 2019-05-09  Alan Modra  <amodra@gmail.com>
4459
4460         PR target/89271
4461         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
4462         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
4463         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
4464         cost for general <-> vsx when direct moves are available.
4465         Cost union classes at minimal cost for any reg in the class.
4466         Correct calculation for moves between vsx, float, and altivec.
4467         Don't return a low cost for moves between special regs.  Don't
4468         use hard coded register numbers.
4469         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
4470         (rs6000_ira_change_pseudo_allocno_class): New function.
4471         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
4472         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
4473         alternatives.
4474         (movsi_internal1): Don't disparage vector alternatives.
4475         (mov<mode>_internal): Likewise, excepting alternative that
4476         will be split.
4477         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
4478         we <- b alternative.
4479
4480 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
4481
4482         PR c++/59813
4483         PR tree-optimization/89060
4484         * tree-ssa-live.h (live_vars_map): New typedef.
4485         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
4486         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
4487         (struct compute_live_vars_data): New type.
4488         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
4489         live_vars_at_stmt, destroy_live_vars): New functions.
4490         * tree-tailcall.c: Include tree-ssa-live.h.
4491         (live_vars, live_vars_vec): New global variables.
4492         (find_tail_calls): Perform variable life analysis before punting.
4493         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
4494         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
4495         member.
4496         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
4497         Perform variable life analysis to select variables that really need
4498         clobbers added.
4499         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
4500         instead set id->eh_landing_pad_dest and assert it is the same.
4501         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
4502
4503 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
4504             Richard Earnshaw  <rearnsha@arm.com>
4505
4506         PR target/88167
4507         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
4508         function.
4509         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
4510         (thumb1_compute_save_core_reg_mask): Don't force a spare work
4511         register if both the epilogue and prologue can use call-clobbered
4512         regs.
4513         (thumb1_unexpanded_epilogue): Use
4514         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
4515         picking temporaries for restoring high regs to match that of the
4516         prologue where possible.
4517         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
4518         the list of work registers.  Detect if the return address is still live
4519         at the end of the prologue and avoid using it for a work register if so.
4520         If the return address is not live, add LR to the list of pushable regs
4521         after the first pass.
4522
4523 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
4524
4525         PR tree-optimization/90078
4526         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
4527         (INFTY): Increase the value for infinite cost.
4528         (struct comp_cost): Promote type of members to int64_t.
4529         (infinite_cost): Don't set complexity in initialization.
4530         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
4531         overflows to infinite_cost.
4532         (adjust_setup_cost): Promote type of parameter and cost computation
4533         to int64_t.
4534         (struct ainc_cost_data, struct iv_ca): Promote type of member to
4535         int64_t.
4536         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
4537         cost computation to int64_t.
4538         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
4539         int64_t's format specifier in dump.
4540
4541 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
4542
4543         PR tree-optimization/90240
4544         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
4545         with respect to scaling factor pre-computed for each basic block.
4546         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
4547         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
4548         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
4549         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
4550         live range for array of loop's basic blocks.  Cleanup aux field of
4551         loop's basic blocks.
4552
4553 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
4554
4555         PR tree-optimization/90356
4556         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
4557
4558 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
4559
4560         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
4561         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
4562         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
4563         (ix86_handle_option): Handle -mavx512bf16.
4564         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
4565         to extra_headers.
4566         * config/i386/avx512bf16vlintrin.h: New.
4567         * config/i386/avx512bf16intrin.h: New.
4568         * config/i386/cpuid.h (bit_AVX512BF16): New.
4569         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
4570         * config/i386/i386-builtin-types.def: Add new types.
4571         * config/i386/i386-builtin.def: Add new builtins.
4572         * config/i386/i386-c.c (ix86_target_macros_internal): Define
4573         __AVX512BF16__.
4574         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
4575         (ix86_option_override_internal): Handle BF16.
4576         (ix86_valid_target_attribute_inner_p): Ditto.
4577         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
4578         * config/i386/i386-builtin.c (enum processor_features): Add
4579         F_AVX512BF16.
4580         (static const _isa_names_table isa_names_table): Ditto.
4581         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
4582         (PTA_AVX512BF16): Ditto.
4583         * config/i386/i386.opt: Add -mavx512bf16.
4584         * config/i386/immintrin.h: Include avx512bf16intrin.h
4585         and avx512bf16vlintrin.h.
4586         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
4587         avx512f_cvtneps2bf16_<mode><mask_name>,
4588         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
4589         * config/i386/subst.md (mask_half): Add new subst.
4590         * doc/invoke.texi: Document -mavx512bf16.
4591
4592 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
4593
4594         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
4595         Delete declaration.
4596         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
4597         (rs6000_debug_legitimize_reload_address): Delete.
4598         (rs6000_legitimize_reload_address_ptr): Delete.
4599         (rs6000_option_override_internal): Adjust.
4600         (mem_operand_gpr): Adjust comment.
4601         (legitimate_lo_sum_address_p): Ditto.
4602         (rs6000_legitimize_reload_address): Delete.
4603         (rs6000_debug_legitimize_reload_address): Delete.
4604         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
4605
4606 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4607
4608         PR target/89765
4609         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4610         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
4611         to compute vector element selector for both constant and variable
4612         operands.
4613
4614 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
4615
4616         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
4617         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
4618         ashrdi3_cvt using SWI48 mode iterator.
4619
4620 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4621
4622         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
4623         (aarch64_<su>abd<mode>_3): Likewise.
4624         (*aarch64_<su>abd<mode>_3): New define_insn.
4625         (<sur>sad<vsi2qi>): New define_expand.
4626         * config/aarch64/iterators.md: Added MAX_OPP attribute.
4627         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
4628         (build_vect_cond_expr): Likewise.
4629
4630 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
4631
4632         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
4633         clobbers outside of accessible_reg_set.
4634         * config/i386/i386.c (ix86_conditional_register_usage):
4635         Disable register sets by clearing corresponding bits in
4636         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
4637         call_used_regs and don't clear corresponding reg_names array members.
4638
4639 2019-05-07  Richard Biener  <rguenther@suse.de>
4640
4641         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
4642         not specified still compute a comp_vectype for invariant
4643         compares.
4644
4645 2019-05-07  Richard Biener  <rguenther@suse.de>
4646
4647         PR tree-optimization/90316
4648         * tree-ssa-pre.c (translate_vuse_through_block): When
4649         same_valid is NULL do not bother to search for a virtual
4650         PHI continuation.
4651         (phi_translate_1): When operands changed we cannot keep
4652         the same value-number so do not bother to ask whether
4653         that's possible from translate_vuse_through_block.
4654
4655 2019-05-07  Martin Liska  <mliska@suse.cz>
4656
4657         * bitmap.c (bitmap_register): Come up with
4658         alloc_descriptor_max_uid and assign it for
4659         a new bitmap.
4660         (register_overhead): Use get_descriptor as
4661         a descriptor.
4662         (release_overhead): New.
4663         (bitmap_elem_to_freelist): Call it.
4664         (bitmap_elt_clear_from): Likewise.
4665         (bitmap_obstack_free): Likewise.
4666         (bitmap_move): Sensitively release memory.
4667         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
4668         (bitmap_initialize): Initialize alloc_descriptor to zero.
4669         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
4670
4671 2019-05-07  Richard Biener  <rguenther@suse.de>
4672
4673         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
4674         we build a SLP node.  Remove max_size and limiting.
4675         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
4676
4677 2019-05-07  Richard Biener  <rguenther@suse.de>
4678
4679         PR tree-optimization/90316
4680         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
4681         limit by reference.
4682         (walk_non_aliased_vuses): Take walking limit argument.
4683         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
4684         walking if it is reached instead of just counting.
4685         (get_continuation_for_phi): Likewise.
4686         (walk_non_aliased_vuses): Likewise, instead of leaving counter
4687         limiting to the callback.
4688         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
4689         (vn_reference_lookup_3): Likewise.
4690         (vn_reference_lookup_pieces): Likewise.
4691         (vn_reference_lookup): Likewise.
4692         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
4693         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
4694         (avail_exprs_stack::lookup_avail_expr): Likewise.
4695
4696 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
4697
4698         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
4699         for comparaible types in the second direction even if first one
4700         hits incomparable type.
4701
4702 2019-05-07  Richard Biener  <rguenther@suse.de>
4703
4704         PR lto/90369
4705         * lto-wrapper.c (debug_objcopy): Use the original filename
4706         including archive offset for the filename used for -save-temps.
4707
4708 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
4709
4710         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
4711         detection.
4712
4713 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4714             Hongtao Liu  <hongtao.liu@intel.com>
4715
4716         PR target/89750
4717         PR target/86444
4718         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
4719         Modified, original implementation isn't correct.
4720
4721 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4722
4723         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
4724         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
4725         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
4726         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
4727         (FRAME_POINTER_REGNUM): Change numbering.
4728         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
4729         (alt_reg_names): Adjust.
4730         (rs6000_conditional_register_usage): Don't mark hard register 64 as
4731         fixed.
4732         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4733         (DWARF_FRAME_REGISTERS): Delete.
4734         (DWARF2_FRAME_REG_OUT): Fix whitespace.
4735         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4736         Adjust.
4737         (REG_ALLOC_ORDER): Adjust.
4738         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
4739         (REG_CLASS_CONTENTS): Adjust.
4740         (RETURN_ADDR_RTX): Change comment.
4741         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
4742         instead of 67.
4743         (REGISTER_NAMES): Adjust.
4744         (ADDITIONAL_REGISTER_NAMES): Adjust.
4745         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4746
4747 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4748
4749         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
4750         Delete.
4751         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4752         (DWARF_FRAME_REGISTERS): Adjust.
4753         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4754         Adjust.
4755         (REG_ALLOC_ORDER): Adjust.
4756         (enum reg_class): Delete SPR_REGS.
4757         (REG_CLASS_NAMES): Delete SPR_REGS.
4758         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
4759         (REGISTER_NAMES): Adjust.
4760         (ADDITIONAL_REGISTER_NAMES): Adjust.
4761         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4762         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
4763         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
4764         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
4765         (htm_spr_regno): Delete.
4766         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
4767         argument.
4768         (rs6000_dbx_register_number): Adjust.
4769
4770 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4771
4772         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
4773
4774 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4775
4776         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
4777         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
4778
4779 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
4780
4781         PR tree-optimization/88709
4782         PR tree-optimization/90271
4783         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
4784         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
4785         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
4786         variable.
4787         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
4788         of the store merging group is larger than
4789         PARAM_STORE_MERGING_MAX_SIZE parameter.
4790         (split_group): Add bzero_first argument.  If set, always emit first
4791         the first store which must be = {} of the whole area and then for the
4792         rest of the stores consider all zero bytes as paddings.
4793         (imm_store_chain_info::output_merged_store): Check if first store
4794         is = {} of the whole area and if yes, determine which setting of
4795         bzero_first for split_group gives smaller number of stores.  Adjust
4796         split_group callers.
4797         (lhs_valid_for_store_merging_p): Allow decls.
4798         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
4799         no elts.
4800         (pass_store_merging::process_store): Likewise.
4801
4802 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4803
4804         PR target/89424
4805         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
4806         handling of V1TImode.
4807
4808 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
4809
4810         PR target/89221
4811         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
4812         and enable_frame_pointer ...
4813         * configure.ac: ... here.  Update help strings for
4814         --enable-frame-pointer.
4815         * configure: Regenerate.
4816         * config/i386/i386-options.c (ix86_option_override_internal): Remove
4817         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
4818         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
4819         (USE_X86_64_FRAME_POINTER): Ditto.
4820
4821 2019-05-06  Martin Liska  <mliska@suse.cz>
4822
4823         * config.gcc: Append to target_gtfiles and fix indentation.
4824
4825 2019-05-06  Richard Biener  <rguenther@suse.de>
4826
4827         PR tree-optimization/90358
4828         * tree-vect-stmts.c (get_group_load_store_type): Properly
4829         detect unused upper half of load.
4830         (vectorizable_load): Likewise.
4831
4832 2019-05-06  Richard Biener  <rguenther@suse.de>
4833
4834         PR tree-optimization/88828
4835         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
4836         (simplify_vector_constructor): ...here.  Handle constants in
4837         the constructor.
4838
4839 2019-05-06  Richard Biener  <rguenther@suse.de>
4840
4841         PR tree-optimization/90328
4842         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
4843         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
4844         is valid in the loop nest before using it.
4845         (initialize_data_dependence_relation): Adjust.
4846         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
4847         loop as loop-nest to dr_may_alias_p.
4848
4849 2019-05-06  Richard Biener  <rguenther@suse.de>
4850
4851         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
4852
4853 2019-05-06  Richard Biener  <rguenther@suse.de>
4854
4855         PR tree-optimization/90316
4856         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
4857         compute target on demand.
4858         (get_continuation_for_phi): Remove code walking stmts to
4859         get to a target virtual operand which could end up being
4860         quadratic.
4861
4862 2019-05-06  Martin Liska  <mliska@suse.cz>
4863
4864         PR sanitizer/90312
4865         * config/i386/i386-options.c (ix86_option_override_internal): Error only
4866         when -mabi is selected to a non-default version.
4867
4868 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
4869             Martin Liska  <mliska@suse.cz>
4870
4871         * Makefile.in: Add lto-dump.texi.
4872         * cgraph.h: Add new functions get_visibility_string and
4873         get_symtab_type_string.
4874         * doc/gcc.texi: Include lto-dump section.
4875         * doc/lto-dump.texi: New file.
4876         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
4877         (parse_dump_option): Factor out this function.
4878         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
4879         (parse_dump_option): Export the function.
4880         * symtab.c (symtab_node::get_visibility_string): New function.
4881         (symtab_node::get_symtab_type_string): Likewise.
4882
4883 2019-05-06  Martin Liska  <mliska@suse.cz>
4884
4885         * config/i386/i386-builtins.c: New file.
4886         * config/i386/i386-builtins.h: New file.
4887         * config/i386/i386-expand.c: New file.
4888         * config/i386/i386-expand.h: New file.
4889         * config/i386/i386-features.c: New file.
4890         * config/i386/i386-features.h: New file.
4891         * config/i386/i386-options.c: New file.
4892         * config/i386/i386-options.h: New file.
4893         * config.gcc: Add new files into extra_objs and
4894         target_gtfiles.
4895         * config/i386/i386.c: Split content of the file
4896         into newly introduced files.
4897         * config/i386/i386.h: Declare common variables
4898         and macros.
4899         * config/i386/t-i386: Define dependencies for new files.
4900
4901 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4902
4903         PR target/89400
4904         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4905         Restrict 'all' variant to 32-bit configurations.
4906         (unaligned_loadhiu): Likewise.
4907         (unaligned_storehi): Likewise.
4908         (unaligned_storesi): Likewise.
4909         (unaligned_loadhis): Disable when compiling for thumb1.
4910
4911 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4912
4913         PR tree-optimization/90269
4914         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4915         Ignore clobbers.
4916
4917 2019-05-03  Martin Liska  <mliska@suse.cz>
4918
4919         * hash-map.h: Add is_empty function.
4920         * hash-set.h: Likewise.
4921         * hash-table.h: Likewise.
4922         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4923         elements () == 0 (and similar usages).
4924         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4925         * gimplify.c (gimplify_bind_expr): Likewise.
4926         (gimplify_switch_expr): Likewise.
4927         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4928         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4929         * postreload-gcse.c (dump_hash_table): Likewise.
4930         (gcse_after_reload_main): Likewise.
4931         * predict.c (combine_predictions_for_bb): Likewise.
4932         * tree-parloops.c (reduction_phi): Likewise.
4933         (separate_decls_in_region): Likewise.
4934         (transform_to_exit_first_loop): Likewise.
4935         (gen_parallel_loop): Likewise.
4936         (gather_scalar_reductions): Likewise.
4937         (try_create_reduction_list): Likewise.
4938         * var-tracking.c (dump_vars): Likewise.
4939         (emit_notes_for_changes): Likewise.
4940         (vt_emit_notes): Likewise.
4941
4942 2019-05-03  Richard Biener  <rguenther@suse.de>
4943
4944         PR tree-optimization/90316
4945         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4946         before running VN.
4947
4948 2019-05-03  Richard Biener  <rguenther@suse.de>
4949
4950         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4951         peeling for gaps by loading only lower halves of vectors
4952         if possible.
4953         (vectorizable_load): Likewise.
4954
4955 2019-05-03  Richard Biener  <rguenther@suse.de>
4956
4957         PR middle-end/89518
4958         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4959
4960 2019-05-03  Richard Biener  <rguenther@suse.de>
4961
4962         PR middle-end/87314
4963         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4964         Handle STRING_CST vs DECL or STRING_CST.
4965
4966 2019-05-03  Richard Biener  <rguenther@suse.de>
4967
4968         PR tree-optimization/88963
4969         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4970         vector loads feeding only BIT_FIELD_REFs to component
4971         loads.  Rewrite stores fed by CONSTRUCTORs to component
4972         stores.
4973
4974 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4975
4976         * opts.h (finish_options): Remove lang_mask argument.
4977         (print_help, help_option_argument): Declare.
4978         * opts.c (print_help): Remove forward declaration, no longer static.
4979         (finish_options): Remove lang_mask argument, don't call print_help
4980         here.
4981         * opts-global.c (decode_options): Adjust finish_option caller, call
4982         print_help here.
4983
4984         PR tree-optimization/90303
4985         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4986         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4987
4988 2019-05-03  Richard Biener  <rguenther@suse.de>
4989
4990         PR tree-optimization/89698
4991         * gimple-fold.c (canonicalize_constructor_val): Early out
4992         for constants, handle unfolded INTEGER_CSTs as they appear in
4993         C++ virtual table ctors.
4994
4995 2019-05-03  Richard Biener  <rguenther@suse.de>
4996
4997         * passes.c (execute_function_todo): Remove dead code.
4998
4999 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
5000
5001         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
5002         the internal register number, for any "real" register.
5003
5004 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
5005
5006         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
5007         correct numbers for TFHAR, TFIAR, TEXASR.
5008
5009 2019-05-02  Richard Biener  <rguenther@suse.de>
5010
5011         PR tree-optimization/89653
5012         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
5013         update-address-taken before the pass.
5014         * passes.def (pass_tree_loop_init): Put comment before it.
5015
5016 2019-05-02  Richard Biener  <rguenther@suse.de>
5017
5018         PR tree-optimization/89509
5019         * tree-ssa-structalias.c (compute_dependence_clique): Look
5020         at the first subvar when determining whether it is restrict.
5021
5022 2019-05-02  Richard Biener  <rguenther@suse.de>
5023
5024         PR tree-optimization/90273
5025         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
5026         useless debug stmts.
5027
5028 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
5029
5030         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
5031         ACLE branch.
5032         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
5033         SVE ACLE branch.
5034         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
5035         VEC_COND_EXPR be inserted to emulate a conditional internal function.
5036         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
5037         (vectorizable_reduction): Use the functions above to vectorize in a
5038         fully masked loop codes that don't have a conditional internal
5039         function.
5040
5041 2019-05-02  Martin Liska  <mliska@suse.cz>
5042
5043         * cgraphclones.c: Call valid_attribute_p with 1 for
5044         target_clone.
5045         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
5046         it's for target attribute.
5047         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
5048         Add new boolean argument.
5049         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
5050         Likewise.
5051         (ix86_valid_target_attribute_tree): Pass target_clone_attr
5052         to ix86_valid_target_attribute_inner_p.
5053         (ix86_valid_target_attribute_p): Pass flags argument to
5054         ix86_valid_target_attribute_inner_p.
5055         (get_builtin_code_for_version): Use 0 as it's target attribute.
5056
5057 2019-05-02  Martin Liska  <mliska@suse.cz>
5058
5059         * gcc.c (process_command): Add dummy file only
5060         if n_infiles == 0.
5061         * opts-global.c (decode_options): Pass lang_mask.
5062         * opts.c (print_help): New function.
5063         (finish_options): Print --help if help_option_argument
5064         is set.
5065         (common_handle_option): Factor out content of OPT__help_
5066         into print_help.
5067         * opts.h (finish_options): Add new argument.
5068
5069 2019-05-02  Martin Liska  <mliska@suse.cz>
5070
5071         PR target/88809
5072         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
5073         With -minline-all-stringops use inline expansion using 4B loop.
5074         * doc/invoke.texi: Document the change of
5075         -minline-all-stringops.
5076
5077 2019-05-01  Jeff Law  <law@redhat.com>
5078
5079         PR tree-optimization/88797
5080         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
5081         PHI feeds a conditional on the RHS of an assignment.
5082
5083 2019-04-30  Andrew Waterman  <andrew@sifive.com>
5084             Jim Wilson  <jimw@sifive.com>
5085
5086         * config/riscv/constraints.md (L): New.
5087         * config/riscv/predicates.md (lui_operand): New.
5088         (sfb_alu_operand): New.
5089         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
5090         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
5091         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
5092         * config/riscv/risc.md (type): Add sfb_alu.
5093         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
5094         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
5095         (branch_zero<mode>): Delete.
5096         (mov<mode>cc): New.
5097         (mov<GPR:mode><X:mode>cc): Likewise.
5098         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
5099
5100 2019-04-30  Nathan Sidwell  <nathan@acm.org>
5101
5102         * tree.h (MARK_TS_EXP): New.
5103
5104 2019-04-30  Martin Liska  <mliska@suse.cz>
5105
5106         * opts.c (enable_warning_as_error): Provide hints
5107         for unknown options.
5108
5109 2019-04-30  Martin Liska  <mliska@suse.cz>
5110
5111         PR debug/90288
5112         * doc/invoke.texi: Add missing dash for gas-locview-support
5113         and gno-as-locview-support.
5114
5115 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
5116
5117         PR target/89093
5118         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
5119         whitespace at the start of target attribute string.
5120
5121 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5122
5123         PR target/86538
5124         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
5125         Define __ARM_FEATURE_ATOMICS.
5126
5127 2019-04-30  Martin Liska  <mliska@suse.cz>
5128
5129         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
5130         into built_in_function enum. Remove code for endp == 2 and
5131         use BUILT_IN_* constants.
5132         (gimple_fold_builtin): Call the function with fcode.
5133
5134 2019-04-30  Martin Liska  <mliska@suse.cz>
5135
5136         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
5137         DECL_FUNCTION_CODE into ix86_builtins enum before
5138         the switch statement.
5139
5140 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
5141
5142         PR tree-optimization/89475
5143         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
5144         calls.
5145
5146 2019-04-30  Martin Liska  <mliska@suse.cz>
5147
5148         PR translation/90274
5149         * opts.c (print_filtered_help): Wrap string in _(...).
5150
5151 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
5152
5153         PR tree-optimization/90240
5154         Revert:
5155         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
5156
5157         PR tree-optimization/90078
5158         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
5159         checks for infinite_cost overflow.
5160
5161 2019-04-29  Jeff Law  <law@redhat.com>
5162
5163         * passes.def: Move -Wrestrict pass after copy propagation.
5164
5165 2019-04-29  Maya Rashish  <coypu@sdf.org>
5166
5167         * config.gcc (default_gnu_indirect_function): Default to yes
5168         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
5169         sparc*-*-netbsd*, x86_64-*-netbsd*.
5170
5171 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
5172
5173         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
5174         where cond2 is NE_EXPR.
5175         (is_value_included_in): Update comment.
5176
5177 2019-04-29  Richard Biener  <rguenther@suse.de>
5178
5179         PR tree-optimization/90278
5180         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
5181         EH on comparison simplification.
5182
5183 2019-04-29  Jason Merrill  <jason@redhat.com>
5184
5185         PR c++/82081 - tail call optimization breaks noexcept
5186         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
5187         nothrow function to a might-throw function into a tail call.
5188
5189 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
5190
5191         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
5192         (DDR_INNER_LOOP): Likewise.
5193         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
5194         (initialize_data_dependence_relation): Likewise.
5195         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
5196
5197 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
5198
5199         PR rtl-optimization/90257
5200         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
5201         return value.
5202
5203         Revert the revert:
5204         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5205
5206         PR target/90178
5207         Revert:
5208         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
5209
5210         Revert the revert:
5211         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
5212
5213         Revert:
5214         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
5215
5216         * lra-spills.c (lra_final_code_change): Remove useless move insns.
5217
5218 2019-04-29  Richard Biener  <rguenther@suse.de>
5219
5220         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
5221         rhs issue a reset.
5222
5223 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
5224
5225         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
5226         varasm.h, and netbsd-protos.h.
5227
5228 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
5229
5230         PR target/89261
5231         * config/i386/i386-protos.h (ix86_data_alignment): Change
5232         the second argument type to unsigned int.
5233         * config/i386/i386.c (ix86_data_alignment): Change "align"
5234         argument type to unsigned int.
5235
5236 2019-04-27  Martin Liska  <mliska@suse.cz>
5237
5238         PR middle-end/90258
5239         * opt-suggestions.c (option_proposer::build_option_suggestions):
5240         When get_valid_option_values returns empty values, add the
5241         misspelling candidate.
5242
5243 2019-04-26  Jim Wilson  <jimw@sifive.com>
5244
5245         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
5246         parameter.
5247         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
5248         Pass orig_mode to riscv_build_integer.
5249         (riscv_split_integer): Pass mode to riscv_move_integer.
5250         (riscv_legitimize_const_move): Likewise.
5251         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
5252         promoted_mode.  Replace force_reg call with code to load constant into
5253         promoted reg and then subreg it for the store.
5254         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
5255         riscv_move_integer.
5256
5257 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
5258
5259         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
5260         corrupt codes.
5261
5262 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
5263
5264         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
5265         commentary about the encoding of precision.
5266
5267 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
5268
5269         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
5270         * config/i386/t-freebsd64: New file.
5271         * config.gcc: Add the t-freebsd64 for multilib support.
5272
5273 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
5274
5275         * doc/extend.texi (vector_size): Add missing comma after @xref.
5276
5277 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
5278
5279         * BASE-VER: Set to 10.0.0.
5280
5281 2019-04-25  Richard Biener  <rguenther@suse.de>
5282
5283         PR middle-end/89765
5284         * gimplify.c (gimplify_expr): Avoid turning a lvalue
5285         VIEW_CONVERT_EXPR into one operating on an rvalue.
5286
5287 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
5288
5289         PR target/89929
5290         * config/i386/i386.c (feature_priority): Moved to file scope.
5291         (processor_features): Likewise.
5292         (processor_model): Likewise.
5293         (_arch_names_table): Likewise.
5294         (arch_names_table): Likewise.
5295         (_feature_list): Removed.
5296         (feature_list): Likewise.
5297         (_isa_names_table): Moved to file scope.  Add priority.
5298         (isa_names_table): Likewise.
5299         (get_builtin_code_for_version): Replace feature_list with
5300         isa_names_table.  Update error message for P_ZERO priority.
5301
5302 2019-04-25  Richard Biener  <rguenther@suse.de>
5303
5304         * tree-pass.h (make_pass_phi_only_cprop): Remove.
5305         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
5306
5307 2019-04-24  Jeff Law  <law@redhat.com>
5308
5309         PR tree-optimization/90037
5310         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
5311         * passes.def: Replace all instance of phi-only cprop with the
5312         lattice propagator.  Move propagation pass from after erroneous
5313         path isolation to before erroneous path isolation.
5314         * tree-ssa-phionlycprop.c: Remove.
5315
5316 2019-04-24  Richard Biener  <rguenther@suse.de>
5317
5318         PR middle-end/90213
5319         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
5320         by size and BITS_PER_UNIT on poly-wide-ints.
5321
5322 2019-04-25  Richard Biener  <rguenther@suse.de>
5323
5324         PR middle-end/90194
5325         * match.pd: Add pattern to simplify view-conversion of an
5326         empty constructor.
5327
5328 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
5329
5330         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
5331         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
5332         for Go on 32 bit AIX.
5333         * config/rs6000/aix72.h: Likewise.
5334
5335 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
5336
5337         PR target/90193
5338         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
5339         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
5340
5341 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
5342
5343         PR target/89952
5344         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
5345         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
5346         for restored hard frame pointer.
5347         (s390_sched_dependencies_evaluation): Implement new target hook.
5348         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
5349
5350 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
5351
5352         * config/arc/arc-options.def: Fix typos and spelling mistakes.
5353         * config/arc/arc.c (arc_init): Cleanup warning message.
5354         (arc_override_options): Likewise.
5355
5356 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
5357
5358         PR target/90187
5359         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
5360         a register if both if_true and if_false are MEMs.
5361
5362         PR tree-optimization/90208
5363         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
5364         after labels of new_bb, not before them.
5365
5366         PR tree-optimization/90211
5367         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
5368         which are not SSA_NAMEs.
5369
5370 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
5371
5372         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
5373         AArch64.
5374         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
5375
5376 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
5377
5378         PR rtl-optimization/87979
5379         * modulo-sched.c (sms_schedule): Start ii value "mii" should
5380         not equal zero.
5381
5382 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
5383
5384         PR rtl-optimization/84032
5385         * modulo-sched.c (ps_insn_find_column): Change condition so that
5386         branch will always be the last insn in a row inside partial
5387         schedule.
5388
5389 2019-04-23  Richard Biener  <rguenther@suse.de>
5390
5391         PR debug/90131
5392         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
5393         dest_single_pred_p argument.
5394         (remove_forwarder_block): Adjust.
5395         (remove_forwarder_block_with_phi): Likewise.
5396
5397 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5398             Bernd Edlinger  <bernd.edlinger@hotmail.de>
5399             Jakub Jelinek  <jakub@redhat.com>
5400
5401         PR target/89093
5402         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
5403         if used with general-regs-only.
5404         (arm_conditional_register_usage): Don't add non-general regs if
5405         general-regs-only.
5406         (arm_valid_target_attribute_rec): Handle general-regs-only.
5407         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
5408         general-regs-only.
5409         (TARGET_HARD_FLOAT_SUB): Define.
5410         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
5411         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
5412         (TARGET_REALLY_IWMMXT2): Likewise.
5413         * config/arm/arm.opt: Add -mgeneral-regs-only.
5414         * doc/extend.texi: Document ARM general-regs-only target.
5415         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
5416
5417 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
5418
5419         PR tree-optimization/90078
5420         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
5421         checks for infinite_cost overflow.
5422
5423 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
5424
5425         PR tree-optimization/90021
5426         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
5427         and check univariate against it.
5428         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
5429         * tree-data-ref.c (add_other_self_distances): Pass new argument.
5430
5431 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5432
5433         PR target/90178
5434         Revert:
5435         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
5436
5437         Revert the revert:
5438         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
5439
5440         Revert:
5441         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
5442
5443         * lra-spills.c (lra_final_code_change): Remove useless move insns.
5444
5445 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
5446
5447         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
5448         names using operand format, rather than hard-wired.
5449         (speculation_barrier): Likewise.
5450
5451 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
5452
5453         PR tree-optimization/88055
5454         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
5455         (gen_one_condition): Use it if !HONOR_NANS.
5456
5457 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
5458
5459         PR middle-end/90139
5460         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
5461         assign_temp instead of gen_reg_rtx.
5462
5463 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
5464
5465         PR translation/90118
5466         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5467         Add missing space before %<.
5468
5469 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
5470
5471         PR rtl-optimization/87871
5472         * ira-lives.c (make_object_dead): Don't add conflicts to
5473         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
5474
5475 2019-04-18  Martin Sebor  <msebor@redhat.com>
5476
5477         PR middle-end/89797
5478         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
5479         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
5480         assuming type size fits in SHWI.
5481
5482 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
5483
5484         PR ipa/85051
5485         * ipa-inline.c (flatten_function): New parameter UPDATE.
5486         (ipa_inline, early_inliner): Use it.
5487
5488 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
5489
5490         * fold-const.c (int_const_binop): Return early on failure.
5491
5492 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
5493
5494         PR middle-end/85164
5495         * combine.c (force_int_to_mode): Cast the argument rather than
5496         the result of known_alignment.
5497         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
5498
5499 2019-04-18  Richard Biener  <rguenther@suse.de>
5500
5501         PR debug/90131
5502         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
5503         out from ...
5504         (remove_forwarder_block): ... here.
5505         (remove_forwarder_block_with_phi): Also move debug stmts here.
5506
5507 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
5508
5509         PR translation/79183
5510         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
5511         inform where appropriate.
5512
5513 2019-04-18  Richard Biener  <rguenther@suse.de>
5514
5515         * tree.c (get_qualified_type): Put found type variants at the
5516         head of the variant list.
5517
5518 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
5519
5520         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
5521
5522 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
5523
5524         PR target/90125
5525         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
5526         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
5527         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
5528         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
5529         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
5530
5531 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
5532
5533         * ira-conflicts.c (print_allocno_conflicts): Always print something,
5534         even for allocno's with no conflicts.
5535         (print_conflicts): Print an extra newline.
5536
5537 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
5538
5539         * auto-inc-dec.c (attempt_change): Set the alignment of the
5540         temporary memory to that of the original.
5541
5542 2019-04-17  Joao Moreira  <jmoreira@suse.de>
5543
5544         * targhooks.c (default_print_patchable_function_entry): Emit
5545         __patchable_function_entries section with writable flags to allow
5546         relocation resolution.
5547
5548 2019-04-17  Jonny Grant  <jg@jguk.org>
5549
5550         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
5551
5552 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
5553
5554         PR middle-end/90095
5555         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
5556         on lowpart SUBREGs.
5557
5558 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
5559
5560         * config/arc/arc.c (arc_init): Format diagnostic string.
5561         (arc_override_options): Likewise.
5562         (check_if_valid_regno_const): Likewise.
5563         (arc_reorg): Likewise.
5564
5565 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
5566
5567         PR target/17108
5568         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
5569         name.
5570         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
5571         name.
5572         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
5573         (*movdi_update1): Use Pmode.
5574         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
5575         (movdi_<mode>_update_stack): Rename to ...
5576         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
5577         use Pmode.
5578         (*movsi_update1): Use Pmode.
5579         (*movsi_update2): Use Pmode.
5580         (movsi_update): Rename to ...
5581         (movsi_<mode>_update): ... this.  Use Pmode.
5582         (movsi_update_stack): Fix condition.
5583         (*movhi_update1): Use Pmode.  Fix argument to
5584         avoiding_indexed_address_p.
5585         (*movhi_update2): Ditto.
5586         (*movhi_update3): Ditto.
5587         (*movhi_update4): Ditto.
5588         (*movqi_update1): Ditto.
5589         (*movqi_update2): Ditto.
5590         (*movqi_update3): Ditto.
5591         (*movsf_update1, *movdf_update1): Merge, rename to...
5592         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
5593         avoiding_indexed_address_p.  Add "size" attribute.
5594         (*movsf_update2, *movdf_update2): Merge, rename to...
5595         (*mov<mode>_update2): This.  Ditto.
5596         (*movsf_update3): Use Pmode.  Fix argument to
5597         avoiding_indexed_address_p.
5598         (*movsf_update4): Ditto.
5599         (allocate_stack): Simplify condition.  Adjust pattern names.
5600
5601 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
5602
5603         PR target/89093
5604         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
5605         whitespace at the start of target attribute string.
5606
5607 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
5608
5609         PR target/84369
5610         * config/rs6000/power9.md: Add store forwarding bypass.
5611
5612 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
5613
5614         PR debug/89528
5615         * valtrack.c (dead_debug_insert_temp): Reset debug references
5616         to the return value of a call being removed.
5617
5618 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
5619
5620         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
5621         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
5622         implement target hook.
5623         (arc_memory_move_cost): New function.
5624         (TARGET_REGISTER_MOVE_COST): Define.
5625         (TARGET_MEMORY_MOVE_COST): Likewise.
5626         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
5627         (MEMORY_MOVE_COST): Likewise.
5628
5629 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
5630
5631         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
5632         (sibcall_value_insn): Likewise.
5633         * config/arc/constraints.md (Rs5): Remove.
5634
5635 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
5636
5637         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
5638         for last two fake registers.
5639         (arc_conditional_register_usage): Make sure fake frame and arg
5640         pointer regs are in general regs class.
5641         (FRAME_POINTER_MASK): Remove.
5642         (RETURN_ADDR_MASK): Remove.
5643         (arc_must_save_register): Use hard frame regnum.
5644         (frame_restore_reg): Use hard_frame_pointer_rtx.
5645         (arc_save_callee_saves): Likewise.
5646         (arc_restore_callee_saves): Likewise.
5647         (arc_save_callee_enter): Likewise.
5648         (arc_restore_callee_leave): Likewise.
5649         (arc_save_callee_milli): Likewise.
5650         (arc_eh_return_address_location): Likewise.
5651         (arc_check_multi): Use hard frame regnum.
5652         (arc_can_eliminate): Likewise.
5653         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
5654         for register allocator.
5655         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
5656         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
5657         (FRAME_POINTER_REGNUM): Change it to a fake register.
5658         (HARD_FRAME_POINTER_REGNUM): Defined.
5659         (ARG_POINTER_REGNUM): Change it to a new fake register.
5660         (ELIMINABLE_REGS): Update.
5661         (REGISTER_NAMES): Update names.
5662         * config/arc/arc.md (LP_START): Remove.
5663         (LP_END): Likewise.
5664         (shift_si3_loop): Update pattern.
5665
5666 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
5667
5668         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
5669         to avoid delay slot scheduling.
5670         (arc_must_save_register): Don't save SP.
5671         * config/arc/arc.md (stack_tie): Remove.
5672         (UNSPEC_ARC_STKTIE): Likewise.
5673
5674 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
5675             Shiva Chen  <shiva0217@gmail.com>
5676
5677         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
5678         code gen with large shift amount.
5679
5680 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
5681
5682         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
5683         subreg.
5684
5685 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
5686
5687         PR target/90096
5688         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
5689         print -m64/-mx32/-m32 if it is true.
5690         (ix86_debug_options, ix86_function_specific_print): Pass true as
5691         ADD_ABI_P to ix86_target_string.
5692         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
5693         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
5694         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
5695
5696         PR rtl-optimization/90082
5697         * dce.c (can_delete_call): New function.
5698         (deletable_insn_p, mark_insn): Use it.
5699
5700         PR tree-optimization/90090
5701         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
5702         throw internally.
5703         (is_division_by_square): Likewise.  Formatting fix.
5704
5705 2019-04-16  Richard Biener  <rguenther@suse.de>
5706
5707         PR tree-optimization/56049
5708         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
5709         equality check if alias-set zero will prevail.
5710
5711 2019-04-15  Jeff Law  <law@redhat.com>
5712
5713         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
5714         size and alignment as unsigned.
5715
5716 2019-04-15  Richard Biener  <rguenther@suse.de>
5717
5718         PR debug/90074
5719         * tree-loop-distribution.c (destroy_loop): Preserve correct
5720         debug info.
5721
5722 2019-04-15  Richard Biener  <rguenther@suse.de>
5723
5724         PR tree-optimization/90071
5725         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
5726         abnormal operands from def stmts.
5727
5728 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
5729
5730         PR rtl-optimization/89794
5731         * combine.c (count_auto_inc): New function.
5732         (try_combine): Count how many auto_inc expressions there were in the
5733         original instructions.  Ensure we have the same number in the new
5734         instructions.  Remove the code that tried to ensure auto_inc side
5735         effects on i1 and i0 are not lost.
5736
5737 2019-04-15  Richard Biener  <rguenther@suse.de>
5738
5739         PR ipa/88936
5740         * tree.h (auto_var_p): Declare.
5741         * tree.c (auto_var_p): New function, split out from ...
5742         (auto_var_in_fn_p): ... here.
5743         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
5744         member.
5745         (new_var_info): Initialize it.
5746         (set_uids_in_ptset): Also set the shadow variable uid if required.
5747         (ipa_pta_execute): Postprocess points-to solutions assigning
5748         shadow variable uids for locals that may reach their containing
5749         function recursively.
5750         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
5751         assert but instead check whether the points-to solution is
5752         a singleton.
5753
5754 2019-04-15  Martin Jambor  <mjambor@suse.cz>
5755
5756         PR ipa/pr89693
5757         * cgraph.c (clone_of_p): Loop over clone chain for each step in
5758         the thunk chain.
5759
5760 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5761
5762         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
5763
5764 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5765             Kito Cheng  <kito.cheng@gmail.com>
5766             Shiva Chen  <shiva0217@gmail.com>
5767
5768         * config/nds32/nds32-md-auxiliary.c
5769         (nds32_legitimize_pic_address): Use new PIC pattern.
5770         (nds32_legitimize_tls_address): Use new TLS pattern.
5771         (nds32_output_symrel): New.
5772         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
5773         (nds32_alloc_relax_group_id): Ditto.
5774         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
5775         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
5776         relax_group_id.
5777         (nds32_group_tls_insn): Ditto.
5778         (nds32_group_float_insns): Ditto.
5779         * config/nds32/nds32.md (tls_le): New.
5780         (sym_got): Ditto.
5781
5782 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
5783
5784         * configure: Add nds32 target for dwarf2 debug_line checking.
5785         * configure.ac: Regenerated.
5786
5787 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
5788
5789         PR lto/89358
5790         * ipa-devirt.c (skip_in_fields_list_p): New.
5791         (odr_types_equivalent_p): Use it.
5792
5793 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
5794
5795         PR target/89093
5796         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
5797         instead of strncmp when checking for thumb and arm.  Formatting fixes.
5798
5799 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
5800
5801         * doc/install.texi: Document --with-target-system-zlib.
5802
5803 2019-04-12  Martin Sebor  <msebor@redhat.com>
5804
5805         PR c/88383
5806         PR c/89288
5807         PR c/89798
5808         PR c/89797
5809         * targhooks.c (default_vector_alignment): Avoid assuming
5810         argument fits in SHWI.
5811         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
5812         a shift expression.
5813         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
5814
5815 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5816
5817         PR rtl-optimization/89965
5818         * dce.c: Include rtl-iter.h.
5819         (struct check_argument_load_data): New type.
5820         (check_argument_load): New function.
5821         (find_call_stack_args): Check for loads from stack slots still tracked
5822         in sp_bytes and punt if any is found.
5823
5824         * config/mips/loongson-mmiintrin.h: Fix up #error message.
5825
5826 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
5827
5828         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
5829         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
5830
5831 2019-04-12  Martin Liska  <mliska@suse.cz>
5832
5833         PR middle-end/89970
5834         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
5835         in error message.
5836         (separate_attrs): Handle multiple 'default's.
5837         (expand_target_clones): Rework error handling code.
5838
5839 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5840
5841         PR target/87532
5842         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
5843         mode of vector rather than mode of destination for move instruction.
5844         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
5845         Use QI inner mode with V16QI vector mode.
5846
5847 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5848
5849         PR target/52726
5850         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
5851         "invalid %%t operand" in output_operand_lossage message.
5852
5853 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
5854
5855         * config/s390/predicates.md (permute_pattern_operand): New
5856         predicate.
5857         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
5858         operand for the permute pattern.
5859         ("*vec_perm<mode>"): New insn definition.
5860         ("bswap<mode>"): Generate the permute pattern operand in the
5861         expander and perform the operand reloads for pre arch13 level
5862         already.
5863         ("*bswap<mode>_emu"): Rename to ...
5864         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
5865         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
5866         Add the USE operand for the permute pattern.
5867         ("*vec_set_bswap_vec<mode>"): Likewise.
5868
5869 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5870
5871         PR c/89946
5872         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
5873         and gcc_unreachable if it fails, just call tree_to_uhwi which
5874         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
5875         Start warning message with a lower-case letter.  Formatting fixes.
5876
5877         PR rtl-optimization/90026
5878         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
5879         successors, look for BARRIERs inside of the whole BB_FOOTER chain
5880         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
5881         in cfglayout mode, use emit_barrier_after_bb.
5882
5883 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
5884
5885         PR rtl-optimization/87763
5886         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
5887         New Instruction.
5888
5889 2019-04-11  Tom de Vries  <tdevries@suse.de>
5890
5891         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
5892         max macro using statement expression.
5893
5894 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5895
5896         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5897         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5898         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5899         read_only_private_data_section using xcoff_private_rodata_section_name.
5900         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5901
5902 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5903
5904         PR target/90016
5905         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5906
5907 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5908
5909         PR rtl-optimization/89965
5910         * dce.c (sp_based_mem_offset): New function.
5911         (find_call_stack_args): Use sp_based_mem_offset.
5912
5913 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5914
5915         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5916
5917 2019-04-11  Richard Biener  <rguenther@suse.de>
5918
5919         PR tree-optimization/90020
5920         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5921         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5922         * tree-ssa-pre.c (compute_avail): Use it to not put
5923         possibly trapping references after a call that might not
5924         return into EXP_GEN.
5925         * gcse.c (compute_hash_table_work): Do not elide
5926         marking a block containing a call if the call might not
5927         return.
5928
5929 2019-04-11  Richard Biener  <rguenther@suse.de>
5930
5931         PR tree-optimization/90018
5932         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5933         Test both SLP and interleaving variants.
5934
5935 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5936
5937         * config/s390/8561.md: New file.
5938         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5939         Add arch13 cpu model.
5940         * config/s390/s390-opts.h (enum processor_type): Likewise.
5941         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5942         (s390_get_unit_mask): Likewise.
5943         (s390_is_fpd): Likewise.
5944         (s390_is_fxd): Likewise.
5945         * config/s390/s390.h (s390_tune_attr): Likewise.
5946         * config/s390/s390.md: Include arch13 pipeline description.
5947         * config/s390/s390.opt: Add arch13.
5948
5949 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5950
5951         PR rtl-optimization/87763
5952         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5953         New prototype.
5954         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5955         New function.
5956         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5957         New instruction.
5958         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5959         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5960         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5961         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5962
5963 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5964
5965         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5966         "Although" in -fipa-icf documentation.
5967
5968         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5969         of using multiple -g options.
5970
5971 2019-04-10  Martin Liska  <mliska@suse.cz>
5972
5973         PR gcov-profile/89959
5974         * doc/gcov.texi: Make documentation of -x option
5975         more precise.
5976
5977 2019-04-10  Richard Biener  <rguenther@suse.de>
5978
5979         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5980         member.
5981         (DR_GROUP_SAME_DR_STMT): Remove.
5982         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5983         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5984         replace with assert.
5985         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5986         (vect_record_grouped_load_vectors): Remove unreachable code.
5987
5988 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5989
5990         PR target/90016
5991         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5992         obsolete reference to N.
5993
5994 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5995
5996         PR middle-end/90025
5997         * expr.c (store_expr): Set properly size on the MEM passed to
5998         clear_storage.
5999
6000         PR c++/90010
6001         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
6002         with strlen in between hostsz-3 and hostsz-1 inclusive when no
6003         translation is needed, and when translation is needed, only append
6004         ... if the string length is hostsz or more bytes long.  Avoid using
6005         strncpy or strcat.
6006
6007 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
6008
6009         PR target/90024
6010         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
6011         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
6012         into three.
6013         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
6014         differences directly.
6015         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
6016
6017 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
6018
6019         PR translation/90011
6020         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6021         from diagnostics.
6022         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
6023         diagnostics.
6024         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
6025         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
6026         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
6027         trailing space from -gsplit-dwarf diagnostics.
6028
6029         PR tree-optimization/89998
6030         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
6031         instead of integer_type_node if possible, don't add ranges if return
6032         type is not compatible with int.
6033         * gimple-fold.c (gimple_fold_builtin_sprintf,
6034         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
6035         integer_type_node.
6036
6037 2019-04-09  Martin Liska  <mliska@suse.cz>
6038
6039         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
6040         * doc/install.texi: Document the new config.
6041
6042 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
6043
6044         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
6045         use gimple_expr_type for load and store calls.  Skip over the
6046         condition argument in a conditional internal function.
6047         Protect use of TREE_INT_CST_LOW.
6048
6049 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
6050
6051         PR target/90015
6052         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
6053         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
6054         trailing period from it too.
6055
6056 2019-04-08  wu yuan  <wuyuan5@huawei.com>
6057
6058         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
6059         * config/aarch64/aarch64.md : Add "tsv110.md"
6060         * config/aarch64/tsv110.md: New file.
6061
6062 2019-04-08  Richard Biener  <rguenther@suse.de>
6063
6064         PR tree-optimization/90006
6065         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
6066         calls like lrint.
6067
6068 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
6069
6070         PR target/83033
6071         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
6072         construction.
6073         (fma_root_node): Likewise.
6074         (func_fma_steering): Likewise.
6075
6076 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
6077
6078         PR rtl-optimization/89865
6079         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
6080
6081         PR rtl-optimization/89865
6082         * config/i386/i386.md
6083         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
6084         numbers not to clash with the additional operands[4].
6085         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
6086         with extra register copy in the middle.
6087
6088 2019-04-08  Martin Liska  <mliska@suse.cz>
6089
6090         PR gcov-profile/89961
6091         * doc/gcov.texi: Document data_file.
6092         * gcov.c (generate_results): Add data_info into JSON output.
6093
6094 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6095
6096         PR tree-optimization/89725
6097         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
6098         loop's chrec as invariant symbol.
6099         * tree-chrec.h (chrec_contains_symbols): New parameter.
6100         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
6101         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
6102         function of loops not in DDR's loop_nest.
6103         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
6104
6105 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
6106
6107         PR target/89623
6108         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
6109         Mask.
6110
6111 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
6112
6113         PR target/89945
6114         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
6115         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
6116
6117 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
6118
6119         * sched-deps.c (sched_macro_fuse_insns): Check return value of
6120         targetm.fixed_condition_code_regs.
6121
6122 2019-04-05  Richard Biener  <rguenther@suse.de>
6123
6124         PR debug/89892
6125         PR debug/89905
6126         * tree-cfgcleanup.c (remove_forwarder_block): Always move
6127         debug bind stmts but reset them if they are not valid at the
6128         destination.
6129
6130 2019-04-05  Martin Liska  <mliska@suse.cz>
6131
6132         PR translation/89936
6133         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
6134         order to wrap keywords or arguments.
6135         * collect2.c (main): Likewise.
6136         (scan_prog_file): Likewise.
6137         (scan_libraries): Likewise.
6138         * common/config/riscv/riscv-common.c
6139         (riscv_subset_list::parsing_subset_version): Likewise.
6140         (riscv_subset_list::parse_std_ext): Likewise.
6141         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6142         Likewise.
6143         * config/arm/arm.c (arm_option_override): Likewise.
6144         * config/cris/cris.c (cris_print_operand): Likewise.
6145         * config/darwin-c.c (darwin_pragma_options): Likewise.
6146         (darwin_pragma_unused): Likewise.
6147         (darwin_pragma_ms_struct): Likewise.
6148         * config/ft32/ft32.c (ft32_print_operand): Likewise.
6149         * config/i386/i386.c (print_reg): Likewise.
6150         (ix86_print_operand): Likewise.
6151         * config/i386/xm-djgpp.h: Likewise.
6152         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
6153         * config/m32c/m32c.c (m32c_option_override): Likewise.
6154         * config/msp430/msp430.c (msp430_option_override): Likewise.
6155         * config/nds32/nds32.c (nds32_option_override): Likewise.
6156         * config/nvptx/mkoffload.c (main): Likewise.
6157         * config/rx/rx.c (rx_print_operand): Likewise.
6158         (valid_psw_flag): Likewise.
6159         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
6160         (vms_pragma_nomember_alignment): Likewise.
6161         (vms_pragma_extern_model): Likewise.
6162         * lto-wrapper.c (compile_offload_image): Likewise.
6163         * omp-offload.c (oacc_parse_default_dims): Likewise.
6164         * symtab.c (symtab_node::verify_base): Likewise.
6165         * tlink.c (recompile_files): Likewise.
6166         (start_tweaking): Likewise.
6167         * tree-profile.c (parse_profile_filter): Likewise.
6168
6169 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
6170
6171         PR tree-optimization/89956
6172         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
6173         multiple negates of the same value.
6174
6175 2019-04-04  Martin Sebor  <msebor@redhat.com>
6176
6177         PR middle-end/89957
6178         PR middle-end/89911
6179         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
6180         have the same precision since the function crashes otherwise.
6181         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
6182         has non-zero arguments.
6183
6184 2019-04-04  Martin Sebor  <msebor@redhat.com>
6185
6186         PR middle-end/89934
6187         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
6188         out if the number of arguments is less than expected.
6189
6190 2019-04-04  Jeff Law  <law@redhat.com>
6191
6192         PR rtl-optimization/89399
6193         * ree.c (combine_set_extension): Use single_set rather than
6194         digging into PATTERN for items on the candidate list.
6195         (combine_reaching_defs): Likewise.
6196
6197 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
6198
6199         PR rtl-optimization/46590
6200         * loop-invariant.c (find_defs): Move df_remove_problem and
6201         df_process_deferred_rescans to move_invariants.
6202         Move df_live_add_problem and df_live_set_all_dirty calls
6203         to move_invariants.
6204         (move_invariants): Likewise.
6205         (move_loop_invariants): Likewise, making the df_live calls
6206         conditional on -O.  Remove the problem again if we added it
6207         locally.
6208
6209 2019-04-03  qing zhao  <qing.zhao@oracle.com>
6210
6211         PR tree-optimization/89730
6212         * ipa-inline.c (can_inline_edge_p): Delete the checking for
6213         -flive-patching=inline-only-static.
6214         (can_inline_edge_by_limits_p): Add the checking for
6215         -flive-patching=inline-only-static and grant always_inline
6216         even when -flive-patching=inline-only-static is specified.
6217
6218 2019-04-03  Jeff Law  <law@redhat.com>
6219
6220         PR rtl-optimization/81025
6221         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
6222
6223 2019-04-03  Richard Biener  <rguenther@suse.de>
6224
6225         PR tree-optimization/84101
6226         * tree-vect-stmts.c: Include explow.h for hard_function_value,
6227         regs.h for hard_regno_nregs.
6228         (cfun_returns): New helper.
6229         (vect_model_store_cost): When vectorizing a store to a decl
6230         we return and the function ABI returns in a multi-reg location
6231         account for the possible spilling that will happen.
6232
6233 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
6234
6235         * config/s390/s390.c (s390_legitimate_address_p): Reject long
6236         displacement addresses for vector mode operands.
6237
6238 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
6239
6240         * config/arc/arc.c (GMASK_LEN): Define.
6241         (arc_restore_callee_saves): Restore first blink when
6242         !optimize_size.
6243
6244 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
6245
6246         * doc/extend.texi: Add deprecated comment on sign-return-address
6247         function attribute and add mbranch-protection.
6248         * doc/invoke.texi: Add bti to the options for mbranch-protection.
6249
6250 2019-04-03  Richard Biener  <rguenther@suse.de>
6251
6252         PR lto/89896
6253         * lto-wrapper.c (run_gcc): Avoid implicit rules making
6254         the all target phony.
6255
6256 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
6257
6258         PR target/89902
6259         PR target/89903
6260         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
6261         Return false for variable DImode shifts.
6262         (dimode_scalar_chain::compute_convert_gain): Do not handle
6263         register count operand in variable DImode shifts.
6264         (dimode_scalar_chain::make_vector_copies): Remove support to copy
6265         count argument of a variable shift instruction to a vector register.
6266         (dimode_scalar_chain::convert_reg): Remove support to convert
6267         count argument of a variable shift instruction.
6268
6269 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
6270
6271         PR rtl-optimization/84206
6272         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
6273         iterating over loop headers.
6274
6275 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
6276
6277         PR rtl-optimization/85876
6278         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
6279         beyond the original fence.
6280
6281 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
6282
6283         * config.gcc: Mark spu* targets as deprecated/obsolete.
6284
6285 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6286
6287         * config/s390/s390-builtin-types.def: New builtin function type
6288         definitions. Remove unused types.
6289         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
6290         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
6291         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
6292         overloaded builtins.
6293         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
6294         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
6295         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
6296         (vec_double, vec_signed, vec_unsigned): Define to use the new
6297         overloaded builtins.
6298         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
6299         Remove expanders.
6300
6301 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6302
6303         * config/s390/s390-builtin-types.def: New builtin function type
6304         definitions.
6305         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
6306         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
6307         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
6308         (s390_vstrszh, s390_vstrszf): New low-level builtins.
6309         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
6310         constant definitions.
6311         * config/s390/vecintrin.h (vec_search_string_cc)
6312         (vec_search_string_until_zero_cc): New builtin name definitions.
6313         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
6314         expanders.
6315         ("vec_vstrs<mode>"): New insn definition.
6316
6317 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6318
6319         * config/s390/s390-builtin-types.def: Add new builtin function
6320         types.
6321         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
6322         New overloaded builtins.
6323         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
6324         s390_vsrd.
6325         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
6326         (UNSPEC_VEC_SLDBYTE): ... this.
6327         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
6328         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
6329         definitions.
6330         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
6331         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
6332         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
6333
6334 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6335
6336         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
6337         New insn definition.
6338         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
6339         * config/s390/vector.md (V_HW_HSD): ... here.
6340
6341 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6342
6343         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
6344         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
6345         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
6346         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
6347         New insn definitions.
6348
6349 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6350
6351         * config/s390/s390-builtin-types.def: Add new builtin function type.
6352         * config/s390/s390-builtins.def: Add overloaded builtin
6353         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
6354         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
6355         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
6356         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
6357         ("eltswap<mode>"): New expander.
6358         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
6359         insn definitions.
6360
6361 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6362
6363         * config/s390/s390-builtin-types.def: Add new builtin function types.
6364         * config/s390/s390-builtins.def: Add overloaded builtin
6365         s390_vec_revb. Add low-level builtins for vlbr and vstbr
6366         instructions.
6367         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
6368         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
6369         ("bswap<mode>"): New expander.
6370         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
6371
6372 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6373
6374         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
6375         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
6376         vector builtin version number in __VEC__.
6377
6378 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6379
6380         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
6381         iterators.
6382         (SFSI): New mode attribute.
6383         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
6384         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
6385         rename to ...
6386         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
6387         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
6388         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
6389         ("floatsi<mode>2"): Add wcefb instruction.
6390
6391 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6392
6393         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
6394         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
6395         mode iterators.
6396         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
6397         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
6398         support 32 bit fp-int conversions. Rename to ...
6399         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
6400         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
6401         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
6402         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
6403         ... to these.
6404
6405 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6406
6407         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
6408         if-then-else constructs if we can use the select instruction.
6409         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
6410
6411 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6412
6413         * config/s390/s390.md ("*popcountdi_arch13_cc")
6414         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
6415         definition.
6416         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
6417         Append _z196 to make it ...
6418         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
6419         ("popcounthi2_z196"): ... this.
6420         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
6421         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
6422
6423 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6424
6425         * config/s390/s390.c (s390_canonicalize_comparison): Convert
6426         certain compares for arch13 in order to make use of the condition
6427         code result produced by the new instructions.
6428         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
6429         nxrk, and nxgrk instruction patterns.
6430         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
6431         (inv_no): Add new code iterator together with some attributes.
6432         ("*andc_split_<mode>"): Disable splitter for arch13.
6433         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
6434         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
6435         ("*<ANDOR:bitops_name>c<GPR:mode>")
6436         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
6437         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
6438         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
6439         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
6440
6441 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
6442
6443         * common/config/s390/s390-common.c (processor_flags_table): New
6444         entry for arch13.
6445         * config.gcc: Support arch13 with the --with-arch= configure flag.
6446         * config/s390/driver-native.c (s390_host_detect_local_cpu):
6447         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
6448         * config/s390/s390.c (s390_get_sched_attrmask)
6449         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
6450         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
6451         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
6452         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
6453         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
6454         definitions.
6455         * config/s390/s390.opt: Support arch13 as processor type in
6456         command line options.
6457
6458 2019-04-02  Martin Liska  <mliska@suse.cz>
6459
6460         PR translation/89912
6461         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
6462         Fix param description of graphite-max-arrays-per-scop.
6463
6464 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
6465
6466         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
6467         (ASAN_CC1_SPEC): Use it in 64-bit mode.
6468         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
6469
6470 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
6471
6472         PR rtl-optimization/85412
6473         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
6474         sel_sched_region_1, not after.
6475
6476 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
6477
6478         PR rtl-optimization/86928
6479         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
6480         compute_live if necessary.
6481         (sel_redirect_edge_and_branch): Likewise.
6482
6483 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
6484
6485         PR rtl-optimization/89865
6486         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
6487         register if it is a part of small class.
6488
6489 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
6490
6491         PR rtl-optimization/87273
6492         * sel-sched-ir.c (merge_fences): Remove assert.
6493
6494 2019-04-01  Richard Biener  <rguenther@suse.de>
6495
6496         PR tree-optimization/46590
6497         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
6498         (dom_walker::m_reachability): Add in place of...
6499         (dom_walker::m_skip_unreachable_blocks): ...this.
6500         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
6501         Move complex initialization ...
6502         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
6503         lazily and initialize edge flags on each invocation.
6504         (dom_walker::bb_reachable): Use m_reachability.
6505
6506 2019-04-01  Martin Liska  <mliska@suse.cz>
6507
6508         PR driver/89861
6509         * opt-suggestions.c (option_proposer::build_option_suggestions):
6510         Add variant without any argument in order to provide better
6511         hints.
6512
6513 2019-04-01  Richard Biener  <rguenther@suse.de>
6514
6515         PR c/71598
6516         * gimple.c: Include langhooks.h.
6517         (gimple_get_alias_set): Treat enumeral types as the underlying
6518         integer type.
6519
6520 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
6521             Eric Botcazou  <ebotcazou@adacore.com>
6522
6523         PR rtl-optimization/89862
6524         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
6525         that operates on the full registers for WORD_REGISTER_OPERATIONS
6526         architectures.
6527
6528 2019-03-29  Jim Wilson  <jimw@sifive.com>
6529
6530         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
6531         Clear MASK_RVC and then set if C subset supported.
6532
6533 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
6534
6535         PR c/89872
6536         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
6537         non-addressable complit into its initializer if it is volatile.
6538
6539 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
6540
6541         * opts-common.c (integral_argument): Set errno properly in one case.
6542
6543 2019-03-29  Martin Liska  <mliska@suse.cz>
6544
6545         * doc/invoke.texi: Remove -Wchkp from documentation.
6546
6547 2019-03-29  Martin Liska  <mliska@suse.cz>
6548
6549         * dbgcnt.c (print_limit_reach): New function.
6550         (dbg_cnt): Use it.
6551
6552 2019-03-29  Martin Liska  <mliska@suse.cz>
6553
6554         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
6555         (dbg_cnt_process_opt): Parse first tokens aas
6556         dbg_cnt_process_single_pair is also using strtok.
6557
6558 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
6559
6560         PR rtl-optimization/87485
6561         * function.c (expand_function_end): Move stack_protect_epilogue
6562         before loading of return value into hard register(s).
6563
6564 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
6565
6566         PR middle-end/89621
6567         * tree-inline.h (struct copy_body_data): Add
6568         dont_remap_vla_if_no_change flag.
6569         * tree-inline.c (remap_type_3, remap_type_2): New functions.
6570         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
6571         and remap_type_2 returns false.
6572         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
6573         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
6574         only from where it is copied to nested contexts.
6575
6576 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
6577
6578         PR target/89865
6579         * config/i386/i386.md (RMW operation with LEA peephole):
6580         Use LEAMODE mode attribute instead of SWI mode iterator for
6581         LEA pattern.
6582
6583 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
6584
6585         PR target/89848
6586         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
6587         Also process XEXP (src, 0) of a shift insn.
6588
6589 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
6590
6591         PR middle-end/89725
6592         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
6593         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
6594
6595 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
6596
6597         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
6598         test.
6599         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
6600         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
6601         immediately after first one with df_analyze in between, but rather
6602         process all bbs, queueing ones that need second pass in a worklist,
6603         df_analyze, process queued debug insn changes and if second pass is
6604         needed, process bbs from worklist, df_analyze, process queued debug
6605         insns again.
6606
6607         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
6608         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
6609         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
6610
6611 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
6612
6613         PR c/79022
6614         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
6615         definition.
6616
6617 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
6618
6619         PR target/85667
6620         * config/i386/i386.c (ix86_function_value_1): Call the newly added
6621         function for 32-bit MS_ABI.
6622         (function_value_ms_32): New function.
6623
6624 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
6625
6626         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
6627         (movdi): Call gen_movdi_symbol_save_scc.
6628         (gen_movdi_symbol_save_scc): New insn and split.
6629
6630 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
6631
6632         PR rtl-optimization/89313
6633         * function.c (matching_constraint_num): New static function.
6634         (match_asm_constraints_1): Use it.  Fixup white space and comment.
6635         Don't replace inputs with non-matching constraints which conflict
6636         with early clobber outputs.
6637
6638 2019-03-27  Jeff Law  <law@redhat.com>
6639
6640
6641         PR rtl-optimization/87761
6642         PR rtl-optimization/89826
6643         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
6644         slightly later.
6645         (pass_cprop_hardreg::execute): Call df_analyze after adding the
6646         note problem to get REG_DEAD/REG_UNUSED notes updated.
6647
6648 2019-03-27  Richard Biener  <rguenther@suse.de>
6649
6650         PR tree-optimization/89463
6651         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
6652         queue edges to remove.
6653         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
6654         dead stmts.  Delay edge removal until PHIs are removed to
6655         make debug-stmt creation not confused by seemingly degenerate
6656         PHIs.
6657
6658 2019-03-27  Alan Modra  <amodra@gmail.com>
6659
6660         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
6661         throughout file.
6662         * config/rs6000/darwin.h: Likewise.
6663         * config/rs6000/rs6000.c: Likewise.
6664
6665 2019-03-27  Alan Modra  <amodra@gmail.com>
6666
6667         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
6668         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
6669
6670 2019-03-26  Andrew Waterman  <andrew@sifive.com>
6671             Jim Wilson  <jimw@sifive.com>
6672
6673         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
6674         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
6675         (generic_idivdi, generic_fmul_single, generic_fmul_double)
6676         (generic_fdiv, generic_fsqrt): Add check for generic tune.
6677         (generic_alu): Add auipc to type list.
6678         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
6679         (riscv_microarchitecture): Declare.
6680         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
6681         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
6682         field.
6683         (riscv_microarchitecture): New.
6684         (sifive_7_tune_info): New.
6685         (riscv_cpu_info_table): Add microarchitecture value for rocket and
6686         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
6687         entries.
6688         (riscv_store_data_bypass_p): New.
6689         (riscv_option_override): Set riscv_microarchitecture from
6690         cpu->microarchitecture.
6691         * config/riscv/riscv.md: Include sifive-7.md.
6692         (type): Add auipc.
6693         (tune): New.
6694         (auipc<mode>): Change type to auipc.
6695         (restore_stack_nonlocal): New.
6696         * config/riscv/sifive-7.md: New.
6697         * doc/invoke.texi (RISC-V Options): Update mtune docs.
6698
6699 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
6700
6701         PR target/89827
6702         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
6703         Also process XEXP (src, 0) of a shift insn.
6704
6705 2019-03-26  Richard Biener  <rguenther@suse.de>
6706
6707         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
6708         (copy_debug_stmt): Likewise.
6709         (expand_call_inline): Likewise.
6710         (copy_bb): Avoid redundant lookup & set of gimple_block.
6711         * gimple-low.c (lower_gimple_return): Likewise.
6712         (lower_builtin_setjmp): Likewise.
6713
6714 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
6715
6716         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
6717         is constant 0, turn into static const data member initialized to false.
6718         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
6719         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
6720
6721 2019-03-26  Jason Merrill  <jason@redhat.com>
6722             Jakub Jelinek  <jakub@redhat.com>
6723
6724         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
6725         method.
6726         (mem_alloc_description::release_object_overhead): Fix comment typos.
6727         * hash-table.h (hash_table::~hash_table): Call
6728         release_instance_overhead only if m_entries is non-NULL, otherwise
6729         call unregister_descriptor.
6730
6731 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
6732
6733         PR tree-optimization/81740
6734         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
6735         In case of outer loop vectorization, check for backward dependence
6736         at the inner loop if outer loop dependence is reversed.
6737
6738 2019-03-26  Alan Modra  <amodra@gmail.com>
6739
6740         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
6741         rs6000_vector_mem init.  Correct wI and wJ comment.
6742
6743 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
6744
6745         PR rtl-optimization/88347
6746         PR rtl-optimization/88423
6747         * sched-deps.c (sched_analyze_insn): Take into account that for
6748         tablejumps the barrier appears after a label and a jump_table_data.
6749
6750 2019-03-25  Martin Sebor  <msebor@redhat.com>
6751
6752         PR c/89812
6753         * c-common.c (check_user_alignment): Rename local.  Correct maximum
6754         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
6755         convert it to UHWI when it fits.
6756
6757 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
6758
6759         PR debug/86964
6760         * dwarf2out.c (premark_used_variables): New function.
6761         (prune_unused_types_walk): Do not mark not premarked external
6762         variables.
6763         (prune_unused_types): Call premark_used_variables.
6764
6765 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
6766
6767         PR rtl-optimization/89676
6768         * lra-constraints.c (curr_insn_transform): Do match reload for
6769         early clobbers when the match was successful only for different
6770         registers.
6771
6772 2019-03-25  Martin Sebor  <msebor@redhat.com>
6773
6774         * doc/extend.texi (Common Type Attributes): Document vector_size.
6775         (Common Variable Attributes): Mention size constraint.  Correct
6776         quoting and typos.
6777         (Vector Extensions): Use @dfn when defining bas type.  Clarify
6778         base type and size constraints.
6779
6780 2019-03-25  Richard Biener  <rguenther@suse.de>
6781
6782         PR tree-optimization/89789
6783         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
6784         changes from non-undefined back to undefined.
6785
6786 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
6787
6788         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
6789         heap string and a gc string, but since this variable is unknown to
6790         ggc the gc string might get reused and corrupted. Fixed by always
6791         using a heap string.
6792
6793 2019-03-25  Richard Biener  <rguenther@suse.de>
6794
6795         PR tree-optimization/89779
6796         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
6797         to remove IV defs, delay actual removal.
6798         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
6799         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
6800         very end, properly also reset loop control IV information.
6801
6802 2019-03-25  Richard Biener  <rguenther@suse.de>
6803
6804         PR tree-optimization/89802
6805         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
6806         move EH data to folded stmt.
6807
6808 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6809
6810         * config/s390/s390-builtin-types.def: Remove few unused types and
6811         fix sort order for others.
6812
6813 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6814
6815         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
6816         expected and found types with -mdebug during builtin matching.
6817
6818 2019-03-25  Richard Biener  <rguenther@suse.de>
6819
6820         PR middle-end/89790
6821         * fold-const.c (operand_equal_p): Revert last change with
6822         updated comment.
6823
6824 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
6825
6826         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
6827         notes for the result of the __tls_get_addr calls.
6828         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
6829
6830 2019-03-24  Jeff Law  <law@redhat.com>
6831
6832         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
6833
6834         PR rtl-optimization/87761
6835         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
6836         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
6837         as needed.
6838         (pass_cprop_hardreg::execute): Add df note problem and defer insn
6839         rescans.  Reprocess blocks as needed, calling df_analyze before
6840         reprocessing.  Always call df_analyze before fixing up debug bind
6841         insns.
6842
6843 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
6844
6845         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
6846         big endian.
6847
6848 2019-03-22  Andrew Pinski  <apinski@marvell.com>
6849
6850         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
6851         attrribute for uxtw.
6852
6853 2019-03-26  Jeff Law  <law@redhat.com>
6854
6855         PR rtl-optimization/87761
6856         * config/mips/mips-protos.h (mips_split_move): Add new argument.
6857         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
6858         (mips_split_move): Accept new INSN argument.  Try to forward SRC
6859         into the next instruction.
6860         (mips_split_move_insn): Pass INSN through to mips_split_move.
6861
6862 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
6863
6864         PR rtl-optimization/89676
6865         * lra-constraints.c (curr_insn_transform): Do match reload for
6866         early clobbers even if the match was successful.
6867
6868 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6869
6870         PR c++/87481
6871         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
6872
6873 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
6874
6875         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
6876
6877 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6878
6879         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
6880         <avx512>_fmsub_<mode>_mask3<round_name>,
6881         <avx512>_fnmadd_<mode>_mask3<round_name>,
6882         <avx512>_fnmsub_<mode>_mask3<round_name>,
6883         avx512f_vmfmadd_<mode>_mask3<round_name>,
6884         avx512f_vmfmsub_<mode>_mask3<round_name>,
6885         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
6886         instead of register_operand and %v instead of v for match_operand 1.
6887         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
6888         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
6889         <round_nimm_predicate> instead of register_operand and %v instead of v
6890         for match_operand 1.
6891
6892         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6893         <avx512>_fmadd_<mode>_mask3<round_name>,
6894         <avx512>_fmsub_<mode>_mask<round_name>,
6895         <avx512>_fmsub_<mode>_mask3<round_name>,
6896         <avx512>_fnmadd_<mode>_mask<round_name>,
6897         <avx512>_fnmadd_<mode>_mask3<round_name>,
6898         <avx512>_fnmsub_<mode>_mask<round_name>,
6899         <avx512>_fnmsub_<mode>_mask3<round_name>,
6900         <avx512>_fmaddsub_<mode>_mask<round_name>,
6901         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6902         <avx512>_fmsubadd_<mode>_mask<round_name>,
6903         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6904         <round_nimm_predicate> instead of nonimmediate_operand.
6905         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6906         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6907         Use register_operand instead of <round_nimm_predicate> for the
6908         operand that needs to match output.
6909         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6910         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6911         Likewise.  Formatting fixes.
6912
6913         PR target/89784
6914         * config/i386/i386.c (enum ix86_builtins): Remove
6915         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6916         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6917         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6918         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6919         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6920         __builtin_ia32_vfmsubss3_mask3): New builtins.
6921         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6922         avx512f_vmfmadd_<mode>_mask3<round_name>,
6923         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6924         *avx512f_vmfmsub_<mode>_mask<round_name>,
6925         avx512f_vmfmsub_<mode>_mask3<round_name>,
6926         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6927         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6928         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6929         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6930         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6931         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6932         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6933         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6934         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6935         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6936         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6937         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6938         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6939         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6940         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6941         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6942         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6943         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6944         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6945         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6946         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6947         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6948         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6949         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6950         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6951         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6952         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6953         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6954
6955 2019-03-21  Martin Sebor  <msebor@redhat.com>
6956
6957         PR tree-optimization/89350
6958         * builtins.c (compute_objsize): Also ignore offsets whose upper
6959         bound is negative.
6960         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6961         (builtin_memref::builtin_memref): Initialize new member.
6962         Allow EXPR to be null.
6963         (builtin_memref::extend_offset_range): Replace local with a member.
6964         Avoid assuming pointer offsets are unsigned.
6965         (builtin_memref::set_base_and_offset): Determine base object
6966         before computing offset range.
6967         (builtin_access::builtin_access): Handle memset.
6968         (builtin_access::generic_overlap): Replace local with a member.
6969         (builtin_access::strcat_overlap): Same.
6970         (builtin_access::overlap): Same.
6971         (maybe_diag_overlap): Same.
6972         (maybe_diag_access_bounds): Same.
6973         (wrestrict_dom_walker::check_call): Handle memset.
6974         (check_bounds_or_overlap): Same.
6975
6976 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6977             Jakub Jelinek  <jakub@redhat.com>
6978
6979         PR lto/89692
6980         * tree.c (fld_type_variant, fld_incomplete_type_of,
6981         fld_process_array_type): Call fld->pset.add and don't call
6982         add_tree_to_fld_list if it returns true.
6983         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6984         non-marked types from TYPE_NEXT_VARIANT list.
6985         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6986
6987 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6988
6989         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6990         to false, if true, don't alloc_entries during construction, but defer
6991         it to the first method that needs m_entries allocated.
6992         (hash_table::hash_table, hash_table::~hash_table,
6993         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6994         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6995         hash_table::clear_slot, hash_table::traverse_noresize,
6996         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6997         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6998         false.
6999         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
7000         NO_INSERT instead of find_with_hash.
7001         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
7002         hash_set::m_table): Add Lazy to template params of hash_table.
7003         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
7004         * attribs.c (test_attribute_exclusions): Likewise.
7005         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
7006         hash_set.  Add tests for hash_set with Lazy = true.
7007
7008 2019-03-21  Richard Biener  <rguenther@suse.de>
7009
7010         PR tree-optimization/89779
7011         * tree.c (tree_nop_conversion): Consolidate and fix defensive
7012         checks with respect to released SSA names now having error_mark_node
7013         type.
7014         * fold-const.c (operand_equal_p): Likewise.
7015
7016 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
7017
7018         PR target/89775
7019         * config/s390/s390.c (global_not_special_regno_p): Move to make it
7020         available to ...
7021         (s390_optimize_register_info): Use global_not_special_regno_p to
7022         check for global regs.
7023
7024 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
7025
7026         PR target/89752
7027         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
7028         update this_alternative nor this_alternative_set.
7029
7030 2019-03-19  Jim Wilson  <jimw@sifive.com>
7031
7032         PR target/89411
7033         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
7034         align, size, offset.  Use them to handle a BLKmode reference.  Update
7035         comment.
7036         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
7037
7038 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7039
7040         PR rtl-optimization/89768
7041         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
7042         instead of GEN_INT.
7043         (unroll_loop_runtime_iterations): Likewise.
7044
7045 2019-03-19  Martin Sebor  <msebor@redhat.com>
7046
7047         PR tree-optimization/89644
7048         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
7049         rather than endptr as an indicator of nul-termination.
7050
7051         PR tree-optimization/89644
7052         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
7053         arrays in determining sequence sizes in strncpy and stpncpy.
7054
7055 2019-03-19  Martin Liska  <mliska@suse.cz>
7056
7057         PR middle-end/89737
7058         * predict.c (combine_predictions_for_bb): Empty likely_edges and
7059         unlikely_edges if there's an edge that belongs to both these sets.
7060
7061 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
7062
7063         PR target/89746
7064         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
7065         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
7066         go via a stack temporary.
7067
7068 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7069
7070         PR target/89378
7071         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
7072         instead of gen_rtx_SUBREG.
7073         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
7074
7075 2019-03-19  Richard Biener  <rguenther@suse.de>
7076
7077         PR debug/88389
7078         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
7079
7080 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
7081
7082         PR lto/87809
7083         PR lto/89335
7084         * tree.c (free_lang_data_in_decl): Do not free context of C++
7085         destrutors.
7086
7087 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7088
7089         PR target/89506
7090         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
7091         subs for the first alternative except when operands[3] is 1.
7092
7093         PR target/89752
7094         * gimplify.c (gimplify_asm_expr): For output argument with
7095         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
7096         diagnose error.
7097
7098 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
7099
7100         PR rtl-optimization/89753
7101         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
7102         explicit unrolling factor even more robust.
7103
7104 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
7105
7106         PR target/89726
7107         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
7108         compensation use x2 += 1 instead of x2 -= -1 and when honoring
7109         signed zeros, do another copysign after the compensation.
7110
7111 2019-03-18  Martin Sebor  <msebor@redhat.com>
7112
7113         PR tree-optimization/89720
7114         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
7115         more conservatively, the same as anti-range.
7116
7117 2019-03-18  Richard Biener  <rguenther@suse.de>
7118
7119         PR middle-end/88945
7120         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
7121         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
7122         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
7123         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
7124
7125 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
7126
7127         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
7128         Extend queue to 1024 entries.
7129         Add "consumed" field.
7130         (gomp_print_output): Remove print_index parameter.
7131         Add final parameter.
7132         Change limit to unsigned.
7133         Use consumed field to implement circular buffer.
7134         Detect interrupted print in final pass.
7135         Flush output at the end.
7136         (run): Update gomp_print_output usage.
7137         (main): Initialize kernargs->output_data.consumed.
7138
7139 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
7140
7141         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
7142         calculation of the minimum number of scalar iterations for
7143         fully-predicated loops.
7144
7145 2019-03-18  Martin Jambor  <mjambor@suse.cz>
7146
7147         PR tree-optimization/89546
7148         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
7149         any propagation to its children took place.
7150
7151 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
7152
7153         PR target/89627
7154         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
7155         parameter, and make use of it.
7156         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
7157
7158 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7159
7160         * config/arc/arc.opt (mcode-density-frame): Get the inital value
7161         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
7162         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
7163         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
7164         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
7165         match what the ops is doing.
7166         (push_multi_fp_blink): Likewise.
7167         * config/arc/arc.c (arc_override_options): Enable enter/leave when
7168         compiling for size and elf target.
7169         (arc_save_callee_enter): Adjust note to match what enter/leave
7170         operation does.
7171
7172 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7173
7174         * config/arc/arc.md (tst_movb): Fix constraint.
7175
7176 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7177
7178         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
7179
7180 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
7181
7182         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
7183         * config/arc/arc.c (arc_conditional_register_usage): Remove all
7184         reg_alloc_order references.
7185         (size_alloc_order): Define.
7186         (arc_adjust_reg_alloc_order): New function.
7187         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
7188         order.
7189         (ADJUST_REG_ALLOC_ORDER): Define.
7190         (HONOR_REG_ALLOC_ORDER): Likewise.
7191
7192 2019-03-18  Richard Biener  <rguenther@suse.de>
7193
7194         PR target/87561
7195         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
7196         loads and stores a bit more.
7197
7198 2019-03-18  Richard Biener  <rguenther@suse.de>
7199
7200         PR target/87561
7201         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
7202         load pessimization to stores as well.
7203
7204 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
7205
7206         PR middle-end/86979
7207         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
7208         successor, use NULL as its av set.
7209
7210 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7211
7212         PR rtl-optimization/89721
7213         * lra-constraints (invariant_p): Return false if side_effects_p holds.
7214
7215 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7216
7217         PR target/87532
7218         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7219         When handling vec_extract, use modular arithmetic to allow
7220         constant selectors greater than vector length.
7221         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
7222         V1TImode vectors to have constant selector values greater than 0.
7223         Use modular arithmetic to compute vector index.
7224         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
7225         index for in-memory vectors.  Correct code generation for
7226         in-register vectors.
7227         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
7228         compute index.
7229
7230 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
7231
7232         PR c++/88534
7233         PR c++/88537
7234         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
7235         VAR_DECL args.
7236
7237 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
7238
7239         PR c++/89709
7240         * tree.c (inchash::add_expr): Strip any location wrappers.
7241         * fold-const.c (operand_equal_p): Move stripping of location wrapper
7242         after hash verification.
7243
7244         PR debug/89704
7245         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
7246         SIGN_EXTEND and ZERO_EXTEND.
7247
7248 2019-03-14  Jason Merrill  <jason@redhat.com>
7249             Jakub Jelinek  <jakub@redhat.com>
7250
7251         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
7252         than if is_empty (*slot).
7253         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
7254         existing elt and for elt removal.
7255         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
7256         of already removed elt.
7257
7258 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
7259
7260         PR target/89650
7261         * config/i386/i386.c (remove_partial_avx_dependency): Handle
7262         REG_EH_REGION note.
7263
7264 2019-03-14  Martin Liska  <mliska@suse.cz>
7265
7266         PR other/89712
7267         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
7268
7269 2019-03-14  Richard Biener  <rguenther@suse.de>
7270
7271         PR target/89711
7272         * config/i386/i386.c (make_resolver_func): Properly set
7273         DECL_CONTEXT on the RESULT_DECL.
7274         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
7275
7276 2019-03-14  Richard Biener  <rguenther@suse.de>
7277
7278         * gimple-pretty-print.c: Include cfgloop.h.
7279         (dump_gimple_phi): Adjust.
7280         (dump_gimple_bb_header): Dump loop header for GIMPLE.
7281         (pp_cfg_jump): Adjust.
7282         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
7283         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
7284         (lower_phi_internal_fn): Remove.
7285         (verify_gimple_call): Remove IFN_PHI special-casing.
7286         (dump_function_to_file): Dump IL state.
7287         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
7288         done to deal with PHI nodes being present in non-SSA state.
7289
7290 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
7291
7292         PR ipa/89684
7293         * multiple_target.c (create_dispatcher_calls): Change
7294         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
7295         In the node->iterate_referring loop, push *ref rather than ref, call
7296         ref->remove_reference () and always pass 0 to iterate_referring.
7297
7298         PR rtl-optimization/89679
7299         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
7300         would contain a paradoxical SUBREG.
7301
7302 2019-03-14  Richard Biener  <rguenther@suse.de>
7303
7304         PR tree-optimization/89710
7305         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
7306         safe_dyn_cast.
7307
7308 2019-03-14  Martin Liska  <mliska@suse.cz>
7309
7310         * coverage.c (coverage_begin_function): Stream also
7311         end_column.
7312         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
7313         documentation about function declaration location.
7314         * gcov-dump.c (tag_function): Print whole range
7315         of function declaration.
7316         * gcov.c (struct function_info): Add end_column field.
7317         (function_info::function_info): Initialize it.
7318         (output_json_intermediate_file): Output {start,end}_column
7319         fields.
7320         (read_graph_file): Read end_column.
7321
7322 2019-03-14  Richard Biener  <rguenther@suse.de>
7323
7324         PR middle-end/89698
7325         * fold-const.c (operand_equal_p): For INDIRECT_REF check
7326         that the access types are similar.
7327
7328 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
7329
7330         PR tree-optimization/89703
7331         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
7332         aren't compatible also with builtin_decl_explicit.  Check pure
7333         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
7334         and BUILT_IN_STPNCPY{,_CHK}.
7335
7336 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
7337
7338         PR target/89523
7339         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
7340         addr32 prefix to VSIB address for X32.
7341         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
7342         "%M2" to opcode.
7343         (*avx512pf_gatherpf<mode>df_mask): Likewise.
7344         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
7345         (*avx512pf_scatterpf<mode>df_mask): Likewise.
7346         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
7347         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
7348         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
7349         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
7350         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
7351         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
7352         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
7353         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
7354         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
7355         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
7356         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
7357         (*avx512f_scatterdi<mode>): Likewise.
7358
7359 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
7360
7361         PR target/85860
7362         * lra-constraints.c (inherit_in_ebb): Update
7363         potential_reload_hard_regs along with live_hard_regs.
7364
7365 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
7366
7367         PR debug/89498
7368         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
7369         DWARF_OFFSET_SIZE.
7370         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
7371
7372 2019-03-13  Martin Sebor  <msebor@redhat.com>
7373
7374         PR tree-optimization/89662
7375         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
7376         has a size.
7377
7378 2019-03-13  Richard Biener  <rguenther@suse.de>
7379
7380         PR middle-end/89677
7381         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
7382         throw FP expressions at tree-affine.
7383
7384 2019-03-14  Richard Biener  <rguenther@suse.de>
7385
7386         * tree-pretty-print.c (dump_generic_node): For -gimple properly
7387         dump negative integer constants using _Literal (type) -num.
7388
7389 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
7390
7391         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
7392         nonlocal_value member.
7393
7394         PR middle-end/88588
7395         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
7396         (ipa_simd_modify_function_body): Handle PHIs.
7397
7398 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
7399
7400         * config/s390/s390.c (s390_option_override_internal): Use more
7401         aggressive inlining parameters.
7402
7403 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
7404
7405         * config/s390/3906.md: New file.
7406         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
7407         (LONGRUNNING_THRESHOLD): Remove.
7408         (MAX_SCHED_MIX_SCORE): Decrease.
7409         (MAX_SCHED_MIX_DISTANCE): Decrease.
7410         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
7411         (struct s390_sched_state): New struct to hold scheduling state.
7412         (S390_SCHED_STATE_NORMAL): Remove.
7413         (S390_SCHED_STATE_CRACKED): Remove.
7414         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
7415         (s390_get_sched_attrmask): Use new attribute.
7416         (s390_get_unit_mask): Use new units.
7417         (s390_is_fpd): New function.
7418         (s390_is_fxd): New function.
7419         (s390_is_longrunning): New function.
7420         (s390_sched_score): Use new functions.
7421         (s390_sched_reorder): Likewise.
7422         (s390_sched_variable_issue): Rework and use new functions.
7423         (s390_sched_init): Use new functions.
7424         * config/s390/s390.h (s390_tune_attr):  Add z14.
7425         * config/s390/s390.md: Add z14.
7426
7427 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
7428
7429         * config/s390/2964.md: Update pipeline description.
7430         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
7431         (LONGRUNNING_THRESHOLD): Remove.
7432         (LATENCY_FACTOR): Remove.
7433         (s390_get_unit_mask): Add unit.
7434         (s390_sched_score): Use fxd/fpd.
7435         (s390_sched_variable_issue): Use fxd/fpd.
7436
7437 2019-03-12  Martin Liska  <mliska@suse.cz>
7438
7439         * config/i386/i386.c: Reword an error message.
7440
7441 2019-03-12  Martin Jambor  <mjambor@suse.cz>
7442
7443         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
7444         terminate with newline.
7445
7446 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
7447
7448         PR target/52726
7449         * config/s390/s390.md (tabort): Use %wd instead of
7450         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
7451         letters and periods.
7452         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
7453         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
7454         's with %< and %>.
7455
7456         PR middle-end/89663
7457         * builtins.c (expand_builtin_int_roundingfn,
7458         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
7459         gcc_unreachable if validate_arglist fails.
7460
7461 2019-03-12  Richard Biener  <rguenther@suse.de>
7462
7463         PR tree-optimization/89664
7464         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
7465         free the occurance tree after the early out.
7466
7467 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
7468
7469         PR middle-end/89655
7470         PR bootstrap/89656
7471         * vr-values.c (vr_values::update_value_range): If
7472         old_vr->varying_p (), don't update it, make new_vr also VARYING
7473         and return false.
7474
7475 2019-03-11  Martin Liska  <mliska@suse.cz>
7476
7477         * config/aarch64/aarch64.c (aarch64_override_options_internal):
7478         Fix double string quoting.
7479
7480 2019-03-11  Martin Liska  <mliska@suse.cz>
7481
7482         * collect-utils.c (collect_wait): Wrap apostrophes
7483         in gcc internal format with %'.
7484         * collect2.c (main): Likewise.
7485         (scan_prog_file): Likewise.
7486         (scan_libraries): Likewise.
7487         * config/i386/i386.c (ix86_expand_call): Likewise.
7488         (ix86_handle_interrupt_attribute): Likewise.
7489         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
7490         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
7491         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
7492         * lto-wrapper.c (find_crtoffloadtable): Likewise.
7493         * symtab.c (symtab_node::verify_base): Likewise.
7494         * tree-cfg.c (verify_gimple_label): Likewise.
7495         * tree.c (verify_type_variant): Likewise.
7496
7497 2019-03-11  Martin Liska  <mliska@suse.cz>
7498
7499         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
7500         in a string format message and fix GNU coding style.
7501         (expand_builtin_set_thread_pointer): Likewise.
7502         * common/config/aarch64/aarch64-common.c
7503         (aarch64_rewrite_selected_cpu): Likewise.
7504         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
7505         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
7506         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
7507         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
7508         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
7509         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
7510         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
7511         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
7512         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
7513         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
7514         Likewise.
7515         * common/config/riscv/riscv-common.c
7516         (riscv_subset_list::parsing_subset_version): Likewise.
7517         (riscv_subset_list::parse_std_ext): Likewise.
7518         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7519         (riscv_subset_list::parse): Likewise.
7520         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
7521         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
7522         (aarch64_override_options_internal): Likewise.
7523         (aarch64_validate_mcpu): Likewise.
7524         (aarch64_validate_march): Likewise.
7525         (aarch64_validate_mtune): Likewise.
7526         (aarch64_override_options): Likewise.
7527         * config/alpha/alpha.c (alpha_option_override): Likewise.
7528         * config/arc/arc.c (arc_init): Likewise.
7529         (parse_mrgf_banked_regs_option): Likewise.
7530         (arc_override_options): Likewise.
7531         (arc_expand_builtin_aligned): Likewise.
7532         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
7533         (arm_expand_builtin): Likewise.
7534         * config/arm/arm.c (arm_option_check_internal): Likewise.
7535         (arm_configure_build_target): Likewise.
7536         (arm_option_override): Likewise.
7537         (arm_options_perform_arch_sanity_checks): Likewise.
7538         (arm_handle_cmse_nonsecure_entry): Likewise.
7539         (arm_handle_cmse_nonsecure_call): Likewise.
7540         (arm_tls_referenced_p): Likewise.
7541         (thumb1_expand_prologue): Likewise.
7542         * config/avr/avr.c (avr_option_override): Likewise.
7543         * config/bfin/bfin.c (bfin_option_override): Likewise.
7544         * config/c6x/c6x.c (c6x_option_override): Likewise.
7545         * config/cr16/cr16.c (cr16_override_options): Likewise.
7546         * config/cris/cris.c (cris_option_override): Likewise.
7547         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
7548         * config/darwin-c.c (macosx_version_as_macro): Likewise.
7549         * config/darwin.c (darwin_override_options): Likewise.
7550         * config/frv/frv.c (frv_expand_builtin): Likewise.
7551         * config/h8300/h8300.c (h8300_option_override): Likewise.
7552         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
7553         (ix86_option_override_internal): Likewise.
7554         (warn_once_call_ms2sysv_xlogues): Likewise.
7555         (ix86_expand_prologue): Likewise.
7556         (split_stack_prologue_scratch_regno): Likewise.
7557         (ix86_warn_parameter_passing_abi): Likewise.
7558         * config/ia64/ia64.c (fix_range): Likewise.
7559         * config/m68k/m68k.c (m68k_option_override): Likewise.
7560         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
7561         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
7562         (mips_set_compression_mode): Likewise.
7563         * config/mmix/mmix.c (mmix_option_override): Likewise.
7564         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
7565         * config/msp430/msp430.c (msp430_option_override): Likewise.
7566         * config/nds32/nds32.c (nds32_option_override): Likewise.
7567         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
7568         (nios2_option_override): Likewise.
7569         (nios2_expand_custom_builtin): Likewise.
7570         * config/nvptx/mkoffload.c (main): Likewise.
7571         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
7572         * config/pa/pa.c (fix_range): Likewise.
7573         (pa_option_override): Likewise.
7574         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
7575         (riscv_option_override): Likewise.
7576         * config/rl78/rl78.c (rl78_option_override): Likewise.
7577         * config/rs6000/aix61.h: Likewise.
7578         * config/rs6000/aix71.h: Likewise.
7579         * config/rs6000/aix72.h: Likewise.
7580         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
7581         * config/rs6000/freebsd64.h: Likewise.
7582         * config/rs6000/linux64.h: Likewise.
7583         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
7584         (rs6000_expand_zeroop_builtin): Likewise.
7585         (rs6000_expand_mtfsb_builtin): Likewise.
7586         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
7587         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
7588         (rs6000_invalid_builtin): Likewise.
7589         (rs6000_expand_split_stack_prologue): Likewise.
7590         * config/rs6000/rtems.h: Likewise.
7591         * config/rx/rx.c (valid_psw_flag): Likewise.
7592         (rx_expand_builtin): Likewise.
7593         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
7594         * config/s390/s390.c (s390_expand_builtin): Likewise.
7595         (s390_function_profiler): Likewise.
7596         (s390_option_override_internal): Likewise.
7597         (s390_option_override): Likewise.
7598         * config/sh/sh.c (sh_option_override): Likewise.
7599         (sh_builtin_saveregs): Likewise.
7600         (sh_fix_range): Likewise.
7601         * config/sh/vxworks.h: Likewise.
7602         * config/sparc/sparc.c (sparc_option_override): Likewise.
7603         * config/spu/spu.c (spu_option_override): Likewise.
7604         (fix_range): Likewise.
7605         * config/visium/visium.c (visium_option_override): Likewise.
7606         (visium_handle_interrupt_attr): Likewise.
7607         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
7608         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
7609         (dbg_cnt_process_opt): Likewise.
7610         * dwarf2out.c (output_dwarf_version): Likewise.
7611         * except.c (expand_eh_return): Likewise.
7612         * gcc.c (defined): Likewise.
7613         (driver_handle_option): Likewise.
7614         (process_command): Likewise.
7615         (compare_files): Likewise.
7616         (driver::prepare_infiles): Likewise.
7617         (driver::do_spec_on_infiles): Likewise.
7618         (driver::maybe_run_linker): Likewise.
7619         * omp-offload.c (oacc_parse_default_dims): Likewise.
7620         * opts-global.c (handle_common_deferred_options): Likewise.
7621         * opts.c (parse_sanitizer_options): Likewise.
7622         (common_handle_option): Likewise.
7623         (enable_warning_as_error): Likewise.
7624         * passes.c (enable_disable_pass): Likewise.
7625         * plugin.c (parse_plugin_arg_opt): Likewise.
7626         (default_plugin_dir_name): Likewise.
7627         * targhooks.c (default_expand_builtin_saveregs): Likewise.
7628         (default_pch_valid_p): Likewise.
7629         * toplev.c (init_asm_output): Likewise.
7630         (process_options): Likewise.
7631         (toplev::run_self_tests): Likewise.
7632         * tree-cfg.c (verify_gimple_call): Likewise.
7633         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
7634         (tree_inlinable_function_p): Likewise.
7635         * var-tracking.c (vt_find_locations): Likewise.
7636
7637 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
7638
7639         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
7640         only on the else branch.
7641
7642 2019-03-11  Martin Liska  <mliska@suse.cz>
7643
7644         * gcov.c (output_intermediate_json_line): Print function
7645         name of each line.
7646         (output_json_intermediate_file): Add new argument.
7647         * doc/gcov.texi: Document the change.
7648
7649 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
7650
7651         PR rtl-optimization/89588
7652         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
7653         explicit unrolling factor more robust.
7654
7655 2019-03-11  Richard Biener  <rguenther@suse.de>
7656
7657         PR tree-optimization/89649
7658         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
7659         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
7660         on the prolog and epilog loops.
7661         (vect_loop_versioning): Return copy of loop.
7662         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
7663         on the non-vectorized version of the loop.
7664
7665 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
7666
7667         PR target/68924
7668         * config/i386/sse.md (*vec_extractv2di_0_sse):
7669         Add (=r,x) alternative and corresponding splitter.
7670
7671 2019-03-10  Martin Jambor  <mjambor@suse.cz>
7672
7673         PR tree-optimization/85762
7674         PR tree-optimization/87008
7675         PR tree-optimization/85459
7676         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
7677         it points to if there is a type changing MEM_REF.  Adjust all callers.
7678         (build_accesses_from_assign): Disable total scalarization if
7679         contains_vce_or_bfcref_p returns true through the new parameter, for
7680         both rhs and lhs.
7681
7682 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
7683
7684         PR c/88568
7685         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
7686         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
7687
7688         PR target/79645
7689         * common.opt (fdiagnostics-show-labels,
7690         fdiagnostics-show-line-numbers, fdiagnostics-format=,
7691         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
7692         gas-locview-support, ginline-points, ginternal-reset-location-views):
7693         Terminate description text with a dot.
7694         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
7695         * config/mcore/mcore.opt (m210, m340): Likewise.
7696         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
7697         mnops=): Start description text with a capital letter.
7698         * config/arc/arc.opt (msize-level=): Likewise.
7699         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
7700         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
7701         mnewlib): Likewise.
7702         * config/ft32/ft32.opt (msim): Likewise.
7703         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
7704         (mnodiv, mnopm): Terminate description text with a dot.
7705         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
7706         a colon.
7707         * config/i386/i386.opt (prefer_vector_width, instrument_return):
7708         Likewise.
7709         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
7710         text.
7711
7712         PR rtl-optimization/89634
7713         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
7714         are modified in BB_END (e->src) instruction.
7715
7716 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
7717
7718         PR target/79926
7719         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
7720         messages more amenable to translation, and improve wording.
7721
7722 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
7723
7724         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
7725         ud- and du-chains between phases.
7726
7727 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
7728
7729         PR debug/89631
7730         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
7731         instead of POLY_INT_CST.
7732
7733 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7734
7735         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
7736         requirement.
7737
7738 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
7739
7740         PR target/68924
7741         PR target/78782
7742         PR target/87558
7743         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
7744         (_mm_storeu_si64): Ditto.
7745
7746 2019-03-08  Martin Liska  <mliska@suse.cz>
7747
7748         PR target/86952
7749         * config/i386/i386.c (ix86_option_override_internal): Disable
7750         jump tables when retpolines are used.
7751
7752 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
7753
7754         PR go/63560
7755         * ipa-split.c (execute_split_functions): Do not split
7756         'noinline' or 'section' function.
7757
7758 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7759
7760         PR target/79846
7761         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
7762         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
7763         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
7764
7765         PR ipa/80000
7766         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
7767         from diagnostics.  Formatting fixes.
7768
7769         PR target/85665
7770         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
7771         warn_odr diagnostics.
7772
7773         PR other/80058
7774         * lra-constraints.c (process_alt_operands): Avoid one space before
7775         " at the end of line and another after " on another line in a string
7776         literal.
7777         * attribs.c (handle_dll_attribute): Likewise.
7778         * config/avr/avr-devices.c (avr_texinfo): Likewise.
7779
7780         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
7781         warning_at or inform messages in G_() if there is no ?:.
7782
7783         PR tree-optimization/89550
7784         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
7785         returned true.  Formatting fixes.
7786         (expand_builtin_strnlen): Formatting fixes.
7787         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
7788         if warning_at returned true.
7789         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
7790
7791 2019-03-08  Richard Biener  <rguenther@suse.de>
7792
7793         PR middle-end/89578
7794         * cfgloop.h (struct loop): Add owned_clique field.
7795         * cfgloopmanip.c (copy_loop_info): Copy it.
7796         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
7797         cliques.
7798         * tree-inline.c (copy_loops): Remap owned_clique.
7799         * lto-streamer-in.c (input_cfg): Stream owned_clique.
7800         * lto-streamer-out.c (output_cfg): Likewise.
7801
7802 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7803
7804         PR target/80190
7805         * config/darwin.c: Include intl.h.
7806         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
7807         composing the message out of two separate parts.
7808
7809 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7810
7811         PR target/80003
7812         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
7813         doesn't start with a capital letter and doesn't end with a dot.
7814         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
7815         with a capital letter.
7816         (ix86_mangle_function_version_assembler_name): Likewise.
7817         (ix86_generate_version_dispatcher_body): Likewise.
7818         (fold_builtin_cpu): Likewise.
7819         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
7820         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
7821         translators, wrap full type name in %qs.
7822
7823         PR translation/79999
7824         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
7825         depend clause with source (or sink) modifier.
7826         * omp-expand.c (expand_omp_ordered_sink): Likewise.
7827
7828         PR target/89602
7829         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
7830         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
7831         (avx512f_load<mode>_mask): New define_expand.
7832         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
7833         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
7834         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
7835         __builtin_ia32_movess_mask): New builtins.
7836         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
7837         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
7838         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
7839         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
7840
7841 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7842
7843         PR lto/87525
7844         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
7845         for extern inline functions.
7846
7847 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7848
7849         PR ipa/88235
7850         * cgraph.h (cgraph_node): New inline method former_thunk_p.
7851         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
7852         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
7853         have multiple callees.  At the end check if declarations match as
7854         opposed to cgraph_nodes.
7855
7856 2019-03-07  Martin Liska  <mliska@suse.cz>
7857
7858         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
7859         which is equivalent to searching for this in clones chain.
7860         * symtab.c (symtab_node::verify_base): Similarly compare ASM
7861         names with a neighbour and special case first node in a chain.
7862
7863 2019-01-25  Jason Merrill  <jason@redhat.com>
7864
7865         PR c++/80916 - spurious "static but not defined" warning.
7866         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
7867         for an internal symbol with DECL_EXTERNAL.
7868
7869 2019-04-07  Richard Biener  <rguenther@suse.de>
7870
7871         PR middle-end/89618
7872         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
7873         * tree-inline.c (copy_loops): Simplify.
7874
7875 2019-03-07  Martin Liska  <mliska@suse.cz>
7876
7877         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
7878
7879 2019-03-07  Richard Biener  <rguenther@suse.de>
7880
7881         PR tree-optimization/89595
7882         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
7883         stmt iterator as reference, take boolean output parameter to
7884         indicate whether the stmt was removed and thus the iterator
7885         already advanced.
7886         (dom_opt_dom_walker::before_dom_children): Re-iterate over
7887         stmts created by folding.
7888
7889 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7890
7891         PR c++/89585
7892         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7893         at toplevel.
7894
7895 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7896
7897         PR rtl-optimization/88845
7898         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7899         LRA.
7900         * lra.c (remove_scratches_1): New function.
7901         (remove_scratches): Use it.
7902         (lra_emit_move): Likewise.
7903
7904 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7905
7906         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7907         unaligned_access variable.
7908         * config/arc/arc.c (arc_override_options): Set unaligned access
7909         default on for HS CPUs.
7910         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7911
7912 2019-03-06  Martin Liska  <mliska@suse.cz>
7913
7914         PR gcov-profile/89577
7915         * doc/gcov.texi: Prefer to use --coverage.
7916         * doc/sourcebuild.texi: Likewise.
7917
7918 2019-03-02  Jason Merrill  <jason@redhat.com>
7919
7920         PR c++/86485 - -Wmaybe-unused with empty class ?:
7921         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7922
7923 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7924
7925         PR target/89587
7926         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7927         if_multiarch.
7928
7929         PR middle-end/89590
7930         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7931         exactly one argument.
7932
7933 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7934             Richard Sandiford  <richard.sandiford@arm.com>
7935
7936         PR tree-optimization/89570
7937         * match.pd (vec_cond into cond_op simplification): Don't use
7938         get_conditional_internal_fn, use as_internal_fn (cond_op).
7939
7940 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7941
7942         PR target/89222
7943         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7944         to decide when to split off a non-zero offset from a symbol.
7945         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7946         in function symbols.
7947
7948 2019-03-05  Richard Biener  <rguenther@suse.de>
7949
7950         PR tree-optimization/89594
7951         * tree-if-conv.c (pass_if_conversion::execute): Handle
7952         case where .LOOP_VECTORIZED_FUNCTION was removed.
7953
7954 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7955
7956         PR bootstrap/89560
7957         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7958         instead alloca it only when needed with the needed size.
7959
7960         PR tree-optimization/89570
7961         * match.pd (vec_cond into cond_op simplification): Guard with
7962         vectorized_internal_fn_supported_p test and #if GIMPLE.
7963
7964         PR tree-optimization/89566
7965         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7966         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7967         Punt if get_user_idx_format succeeds, but idx_format argument is
7968         not provided or doesn't have pointer type, or if idx_args is above
7969         number of provided arguments.
7970
7971 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7972
7973         PR tree-optimization/89437
7974         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7975
7976 2019-03-04  Richard Biener  <rguenther@suse.de>
7977
7978         PR middle-end/89572
7979         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7980         safe_dyn_cast.
7981
7982 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7983
7984         PR tree-optimization/89487
7985         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7986         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7987         (distribute_loop): Don't do runtime alias check if there is non-
7988         addressable data reference.
7989         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7990         is a register variable.
7991
7992 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7993
7994         PR target/89506
7995         * config/arm/arm.md (cmpsi2_addneg): Use
7996         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7997         If operands[2] is 0 or INT_MIN, force use of subs.
7998         (*compare_scc splitter): Use gen_int_mode.
7999         (*negscc): Likewise.
8000         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
8001
8002 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
8003             Monk Chiang  <sh.chiang04@gmail.com>
8004
8005         * common/config/riscv/riscv-common.c: Include sstream.
8006         (riscv_subset_list::to_string): New.
8007         (riscv_arch_str): Likewise.
8008         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
8009         * config.in: Regen.
8010         * config/riscv/riscv-protos.h (riscv_arch_str): New.
8011         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
8012         (riscv_emit_attribute): New.
8013         (riscv_file_start): Emit attribute if needed.
8014         (riscv_option_override): Init riscv_emit_attribute_p.
8015         * config/riscv/riscv.opt (mriscv-attribute): New option.
8016         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
8017         * configure: Regen.
8018         * doc/install.texi: Document --with-riscv-attribute.
8019         * doc/invoke.texi: Document -mriscv-attribute.
8020
8021         * common/config/riscv/riscv-common.c:
8022         Include config/riscv/riscv-protos.h.
8023         (INCLUDE_STRING): Defined.
8024         (RISCV_DONT_CARE_VERSION): Defined.
8025         (riscv_subset_t): Declare.
8026         (riscv_subset_t::riscv_subset_t): New.
8027         (riscv_subset_list): Declare.
8028         (riscv_subset_list::riscv_subset_list): New.
8029         (riscv_subset_list::~riscv_subset_list): Likewise.
8030         (riscv_subset_list::parsing_subset_version): Likewise.
8031         (riscv_subset_list::parse_std_ext): Likewise.
8032         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
8033         (riscv_subset_list::add): Likewise.
8034         (riscv_subset_list::lookup): Likewise.
8035         (riscv_subset_list::xlen): Likewise.
8036         (riscv_subset_list::parse): Likewise.
8037         (riscv_supported_std_ext): Likewise.
8038         (current_subset_list): Likewise.
8039         (riscv_parse_arch_string): Using riscv_subset_list::parse to
8040         parse.
8041
8042 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
8043
8044         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
8045         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
8046         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
8047
8048 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
8049
8050         PR rtl-optimization/85899
8051         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
8052         fallthru edges leading to the exit block.
8053
8054 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
8055
8056         PR target/89517
8057         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
8058         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
8059
8060 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
8061
8062         PR tree-optimization/89535
8063         * tree-vect-stmts.c (vectorizable_call): Record the vector types
8064         for each operand.  Calculate the fallback choice for mask operands
8065         and pass it to vect_get_vec_def_for_operand.
8066
8067 2019-03-01  Richard Biener  <rguenther@suse.de>
8068
8069         PR middle-end/89541
8070         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
8071         get virtual operands.
8072         (get_expr_operands): Handle CONST_DECL like other decls.
8073
8074 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
8075
8076         PR middle-end/89503
8077         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
8078         on DECL_P and EXPR_P.
8079
8080 2019-03-01  Richard Biener  <rguenther@suse.de>
8081
8082         PR middle-end/89497
8083         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
8084         argument, defaulted to zero.
8085         * passes.c (execute_function_todo): Pass down SSA update flags
8086         to cleanup_tree_cfg.
8087         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
8088         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
8089         form if requested.
8090         (cleanup_tree_cfg): Get and pass down SSA update flags.
8091
8092 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
8093
8094         PR bootstrap/89539
8095         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
8096         early_lto_debug argument.
8097
8098 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8099
8100         PR tree-optimization/89536
8101         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
8102         only whether bit #0 of the value is 0 instead of the entire value.
8103
8104 2019-02-28  Marek Polacek  <polacek@redhat.com>
8105
8106         PR c++/87068 - missing diagnostic with fallthrough statement.
8107         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
8108         at the end of a seq, save its location to walk_stmt_info.
8109         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
8110         a switch.
8111
8112 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
8113
8114         PR lto/88585
8115         * tree.c (find_atomic_core_type): Move ahead in file.
8116         (check_base_type): Correctly compare alignments of atomic types.
8117
8118 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8119
8120         PR target/89455
8121         * config/i386/i386.c (get_builtin_code_for_version): Identify
8122         Westmere from PCLMUL, instead of AES.
8123
8124 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
8125
8126         PR target/89434
8127         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
8128         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
8129         -UINTVAL (...).
8130
8131 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
8132
8133         PR target/88530
8134         * config/aarch64/aarch64-option-extensions.def: Document it.
8135         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
8136         if empty hwcaps.
8137
8138 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
8139
8140         PR c/89520
8141         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
8142         builtins if they don't have a single scalar floating point argument.
8143         Formatting fixes.
8144
8145 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8146
8147         PR rtl-optimization/89490
8148         * varasm.c (get_block_for_section): Bail out for mergeable sections.
8149         (default_use_anchors_for_symbol_p, output_object_block): Assert the
8150         block section is not mergeable.
8151
8152 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
8153
8154         PR target/70341
8155         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
8156         old define_insn to ...
8157         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
8158         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
8159         Rename old define_insn to ...
8160         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
8161         (thumb2_casesi_internal_pic): New define_expand.  Rename old
8162         define_insn to ...
8163         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
8164         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
8165         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
8166
8167 2019-02-27  Richard Biener  <rguenther@suse.de>
8168
8169         PR debug/88878
8170         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
8171
8172 2019-02-27  Richard Biener  <rguenther@suse.de>
8173
8174         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
8175         building.
8176
8177 2019-02-27  Richard Biener  <rguenther@suse.de>
8178
8179         PR debug/88878
8180         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
8181         parameter, prefix section name with .gnu.debuglto_ if true.
8182         (dwarf2out_finish): Pass false to output_comdat_type_unit.
8183         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
8184
8185 2019-02-27  Richard Biener  <rguenther@suse.de>
8186
8187         PR debug/89514
8188         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
8189         rather than on use_debug_types, doing what output_die does.
8190         (value_format): Likewise.
8191
8192 2019-02-27  Martin Jambor  <mjambor@suse.cz>
8193             Martin Sebor  <msebor@redhat.com>
8194
8195         * doc/invoke.texi (Warning Options): Reword description of
8196         -Wno-absolute-value.
8197
8198 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
8199
8200         PR tree-optimization/89280
8201         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
8202         builtin_setjmp_setup_bb): New functions.
8203         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
8204         When visiting __builtin_setjmp_setup block, queue in special
8205         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
8206         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
8207         from visited after the loop if they don't have any visited successor
8208         blocks.
8209
8210 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
8211
8212         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
8213         New function.
8214         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
8215
8216 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
8217
8218         PR c++/89507
8219         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
8220         with types other than sizetype/ssizetype.
8221
8222 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
8223
8224         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
8225         (enum sparc_processor_type): ...this.
8226         (enum sparc_code_model_type): New enumeration type.
8227         (enum sparc_memory_model_type): Tweak comments.
8228         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
8229         (mtune): Likewise.
8230         (mcmodel): Use sparc_code_model enumeration and variable.
8231         (sparc_code_model): New enumeration.
8232         (mdebug): Add Undocumented marker.
8233         * config/sparc/sparc.h (enum cmodel): Delete.
8234         (sparc_cmodel): Likewise.
8235         (TARGET_CM_MEDLOW): Adjust to above renaming.
8236         (TARGET_CM_MEDMID): Likewise.
8237         (TARGET_CM_MEDANY): Likewise.
8238         (TARGET_CM_EMBMEDANY): Likewise.
8239         * config/sparc/sparc.c (sparc_cmodel): Delete.
8240         (sparc_option_override): Remove string/value mapping support for the
8241         code model.  Move code and memory model support to after the handling
8242         of target flags.  Do private machine setup last.
8243         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
8244         (sparc_legitimize_reload_address): Likewise.
8245         (sparc_output_mi_thunk): Likewise.
8246         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
8247
8248 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
8249
8250         PR tree-optimization/89500
8251         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
8252         (handle_builtin_strlen): Remove noncst_bound variable.  Always
8253         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
8254         cst if the first cst bytes starting at x are known to be non-zero,
8255         even if the string is not zero terminated.  Don't try to modify
8256         *si for strnlen.  Update strlen_to_stridx only for strlen or if
8257         we can prove strnlen returns the same value as strlen would.
8258
8259 2019-02-26  Martin Liska  <mliska@suse.cz>
8260
8261         * alloc-pool.h (struct pool_usage): Remove extra
8262         print_dash_line.
8263         * bitmap.h (struct bitmap_usage): Likewise.
8264         * ggc-common.c (struct ggc_usage): Likewise.
8265         * mem-stats.h (struct mem_usage): Likewise.
8266         (mem_alloc_description::dump): Print dash lines
8267         here and repeat header at the end of a table report.
8268         It's then more readable.
8269         * tree-phinodes.c (phinodes_print_statistics): Make
8270         horizontal alignment.
8271         * tree-ssanames.c (ssanames_print_statistics): Likewise.
8272         * vec.c (struct vec_usage): Remove extra print_dash_line.
8273         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
8274
8275 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
8276
8277         * doc/extend.texi (__builtin_object_size):
8278         Use @pxref instead of @xref inside parenthesis.
8279         (__builtin_has_attribute): Add missing comma after @xref.
8280         (__builtin_object_size): Ditto.
8281         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
8282         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
8283         in the list.
8284
8285 2019-02-26  Jeff Law  <law@redhat.com>
8286
8287         PR rtl-optimization/87761
8288         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
8289         detect obviously dead insns and delete them.
8290
8291 2019-02-26  Richard Biener  <rguenther@suse.de>
8292
8293         PR tree-optimization/89505
8294         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
8295         to handle restrict pointed-to vars with multiple subvars
8296         correctly.
8297
8298 2019-02-26  Richard Biener  <rguenther@suse.de>
8299
8300         PR tree-optimization/89489
8301         * tree-parloops.c (create_loop_fn): Copy over last_clique.
8302
8303 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
8304
8305         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
8306         and move around comment.
8307         <BIT_AND_EXPR>: Likewise.
8308         <BIT_NOT_EXPR>: Add specific handling for boolean types.
8309
8310 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
8311
8312         PR target/89474
8313         * config/i386/i386.c (remove_partial_avx_dependency): Call
8314         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
8315         after changing possibly many instructions to use that pseudo.  Fix up
8316         insertion of v4sf_const0 setter at the start of bb.
8317
8318 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
8319
8320         PR c/80409
8321         * doc/extend.texi (Variadic Pointer Args): New section.
8322
8323 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
8324             Martin Sebor  <msebor@gmail.com>
8325
8326         * common.opt (Wattribute-alias): Likewise.
8327         * doc/invoke.texi (Option Summary): List general form of
8328         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
8329         (-Wmissing-attributes): Invert entry, rewrite and correct default.
8330         Add cross-references.
8331         (-Wattribute-alias): Rewrite and correct default.  Mention
8332         considered attributes (same as for -Wmissing-attributes).
8333
8334 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
8335
8336         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
8337         (_mm_cvtpd_ps): Likewise.
8338         (_mm_cvttpd_epi32): Likewise.
8339
8340         PR target/89338
8341         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
8342         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
8343
8344         PR target/89339
8345         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
8346
8347 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
8348
8349         PR target/88530
8350         * common/config/aarch64/aarch64-common.c
8351         (struct aarch64_option_extension): Add is_synthetic.
8352         (all_extensions): Use it.
8353         (TARGET_OPTION_INIT_STRUCT): Define hook.
8354         (struct gcc_targetm_common): Moved to end.
8355         (all_extensions_by_on): New.
8356         (opt_ext_cmp, typedef opt_ext): New.
8357         (aarch64_option_init_struct): New.
8358         (aarch64_contains_opt): New.
8359         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
8360         * config/aarch64/aarch64-option-extensions.def
8361         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
8362         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
8363         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
8364         Set is_synthetic to false.
8365         (crypto): Set is_synthetic to true.
8366         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
8367         SYNTHETIC.
8368
8369 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
8370
8371         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
8372         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
8373         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
8374         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
8375         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
8376         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
8377         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
8378         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
8379         Rename ...
8380         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
8381         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
8382         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
8383         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
8384         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
8385         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
8386         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
8387         vfmlsl_laneq_high_f16): ... To this.
8388         * config/arm/neon.md: Update comments.
8389
8390 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
8391
8392         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
8393         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
8394         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
8395         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
8396         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
8397         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
8398         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
8399         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
8400         Rename ...
8401         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
8402         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
8403         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
8404         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
8405         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
8406         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
8407         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
8408         vfmlslq_laneq_high_f16): ... To this.
8409
8410 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
8411
8412         PR rtl-optimization/86096
8413         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
8414         comparing mw_order values.
8415
8416 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
8417
8418         PR target/89434
8419         * config/arm/arm.md (*subsi3_carryin_const): Use
8420         arm_neg_immediate_operand predicate instead of
8421         arm_not_immediate_operand, "L" constraint instead of "K" and
8422         print it using %n2 instead of %B2.
8423         (*subsi3_carryin_const0): New define_insn.
8424         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
8425         instead of arm_not_operand and "I" constraint instead of "K" and
8426         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
8427         another match_operand and in the condition check that it is negation
8428         of operands[2].
8429         (*subsi3_carryin_compare_const0): New define_ins.
8430         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
8431         *subsi3_carryin_const.
8432         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
8433         split into *subsi3_carryin_compare_const0 if the highpart is zero.
8434
8435         PR target/89438
8436         * config/arm.vfp.md (*negdf2_vfp): Use
8437         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
8438         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
8439
8440 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
8441
8442         PR rtl-optimization/89445
8443         * simplify-rtx.c (simplify_ternary_operation): Don't use
8444         simplify_merge_mask on operands that may trap.
8445         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
8446         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
8447         second operand is CONST_VECTOR, check if any element could be zero.
8448         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
8449         their operands can trap.
8450
8451 2019-02-23  Martin Sebor  <msebor@redhat.com>
8452
8453         * gimple-ssa-sprintf.c (target_strtol): Rename...
8454         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
8455         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
8456         check for range error.
8457
8458 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
8459
8460         PR driver/69471
8461         * opts-common.c (prune_options): Also prune joined switches
8462         with Negative and RejectNegative.
8463         * config/i386/i386.opt (march=): Add Negative(march=).
8464         (mtune=): Add Negative(mtune=).
8465         * doc/options.texi: Document Negative used together with Joined
8466         and RejectNegative.
8467
8468 2019-02-22  Martin Sebor  <msebor@redhat.com>
8469
8470         * doc/extend.texi (Other Builtins): Add
8471         __builtin_is_constant_evaluated.
8472
8473 2019-02-22  Richard Biener  <rguenther@suse.de>
8474
8475         PR tree-optimization/87609
8476         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
8477
8478 2019-02-22  Jeff Law  <law@redhat.com>
8479
8480         PR rtl-optimization/87761
8481         * config/mips/mips.md: Add new combiner pattern to recognize
8482         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
8483
8484 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
8485
8486         PR target/89324
8487         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
8488         destination register in peepholes generating patterns for ADDS/SUBS.
8489         (add<mode>3_compare0,
8490         *addsi3_compare0_uxtw, add<mode>3_compareC,
8491         add<mode>3_compareV_imm, add<mode>3_compareV,
8492         *adds_<optab><ALLX:mode>_<GPI:mode>,
8493         *subs_<optab><ALLX:mode>_<GPI:mode>,
8494         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
8495         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
8496         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
8497         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
8498         sub<mode>3_compare1): Allow stack pointer for source register.
8499         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
8500
8501 2019-02-22  Martin Sebor  <msebor@redhat.com>
8502
8503         PR tree-optimization/88993
8504         PR tree-optimization/88853
8505         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
8506         New helper.
8507         (sprintf_dom_walker::call_info::is_string_func): New helper.
8508         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
8509         for formatted string functions.
8510         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
8511
8512 2019-02-22  Martin Sebor  <msebor@redhat.com>
8513
8514         PR c/89425
8515         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
8516         unreachable subexpressions.
8517
8518 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
8519             Hongtao Liu  <hongtao.liu@intel.com>
8520             Sunil K Pandey  <sunil.k.pandey@intel.com>
8521
8522         PR target/87007
8523         * config/i386/i386-passes.def: Add
8524         pass_remove_partial_avx_dependency.
8525         * config/i386/i386-protos.h
8526         (make_pass_remove_partial_avx_dependency): New.
8527         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
8528         New function.
8529         (pass_data_remove_partial_avx_dependency): New.
8530         (pass_remove_partial_avx_dependency): Likewise.
8531         (make_pass_remove_partial_avx_dependency): Likewise.
8532         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
8533         (*extendsfdf2): Add avx_partial_xmm_update.
8534         (truncdfsf2): Likewise.
8535         (*float<SWI48:mode><MODEF:mode>2): Likewise.
8536         (SF/DF conversion splitters): Disabled for TARGET_AVX.
8537
8538 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
8539
8540         PR middle-end/85598
8541         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
8542         analysis for pass.
8543
8544 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
8545
8546         PR target/89444
8547         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
8548         (PTA_SKYLAKE): Add PTA_AES.
8549         (PTA_GOLDMONT): Likewise.
8550
8551 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
8552
8553         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
8554         instruction if enabled.
8555         (aarch64_override_options): Remove reference to return address key.
8556
8557 2019-02-22  Richard Biener  <rguenther@suse.de>
8558
8559         PR tree-optimization/89440
8560         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
8561         not necessary assert.
8562
8563 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
8564
8565         PR fortran/72741
8566         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
8567         (oacc_replace_fn_attrib_attr): ... this new function.
8568         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
8569         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
8570
8571 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8572
8573         * config/arm/arm-cpus.in (ares): Rename to...
8574         (neoverse-n1): ... This.  Add ares as alias.
8575         * config/arm/arm-tables.opt: Regenerate.
8576         * config/arm/arm-tune.md: Likewise.
8577         * doc/invoke.txt (ARM Options): Document neoverse-n1.
8578
8579 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8580
8581         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
8582         * config/aarch64/aarch64-tune.md: Regenerate.
8583         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
8584
8585 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8586
8587         * config/aarch64/aarch64.c (ares_tunings): Rename to...
8588         (neoversen1_tunings): ... This.
8589         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
8590         (neoverse-n1): New CPU.
8591         * config/aarch64/aarch64-tune.md: Regenerate.
8592         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
8593
8594 2019-02-22  Richard Biener  <rguenther@suse.de>
8595
8596         PR middle-end/87609
8597         * cfghooks.h (dependence_hash): New typedef.
8598         (struct copy_bb_data): New type.
8599         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
8600         (duplicate_block): Likewise.
8601         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
8602         (copy_bbs): Create and pass down copy_bb_data.
8603         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
8604         (rtl_duplicate_bb): Likewise.
8605         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
8606         remap dependence info.
8607
8608 2019-02-22  Richard Biener  <rguenther@suse.de>
8609
8610         PR tree-optimization/87609
8611         * tree-core.h (tree_base): Document special clique values.
8612         * tree-inline.c (remap_dependence_clique): Do not use the
8613         special clique value of one.
8614         (maybe_set_dependence_info): Use clique one.
8615         (clear_dependence_clique): New callback.
8616         (compute_dependence_clique): Clear clique one from all refs
8617         before assigning it (again).
8618
8619 2019-02-21  Martin Sebor  <msebor@redhat.com>
8620
8621         * doc/extend.texi (__clear_cache): Correct signature.
8622
8623 2019-02-21  Ian Lance Taylor  <iant@golang.org>
8624
8625         PR go/89170
8626         * varasm.c (decode_addr_const): Call lookup_constant_def rather
8627         than output_constant_def.
8628         (add_constant_to_table): New static function.
8629         (output_constant_def): Call add_constant_to_table.
8630         (tree_output_constant_def): Likewise.
8631
8632 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
8633
8634         PR c++/89285
8635         * builtins.c (fold_builtin_arith_overflow): If first two args are
8636         INTEGER_CSTs, set intres and ovfres to constants rather than calls
8637         to ifn.
8638
8639 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8640
8641         PR target/87412
8642         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
8643         error for -mindirect-branch/-mfunction-return with incompatible
8644         -fcf-protection.
8645
8646 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
8647
8648         PR bootstrap/88714
8649         * constraints.md (q): Remove.
8650         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
8651         instead of q.
8652
8653 2019-02-21  Martin Jambor  <mjambor@suse.cz>
8654
8655         PR hsa/89302
8656         * omp-general.c (omp_extract_for_data): Removed a duplicate call
8657         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
8658         (omp_adjust_for_condition): ...here.  Added necessary parameters.
8659         * omp-general.h (omp_adjust_for_condition): Updated declaration.
8660         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
8661         proper values to new parameters of omp_adjust_for_condition.
8662
8663 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8664
8665         PR middle-end/89412
8666         * expr.c (expand_assignment): If result is a MEM, use change_address
8667         instead of simplify_gen_subreg.
8668
8669 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8670             David Malcolm  <dmalcolm@redhat.com>
8671
8672         PR middle-end/89091
8673         * fold-const.c (decode_field_reference): Return NULL_TREE if
8674         lang_hooks.types.type_for_size returns NULL.  Check it before
8675         overwriting *exp_.  Use return NULL_TREE instead of return 0.
8676
8677 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8678
8679         PR middle-end/88074
8680         PR middle-end/89415
8681         * toplev.c (do_compile): Double the emin/emax exponents to workaround
8682         buggy mpc_norm.
8683
8684 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
8685
8686         PR target/89397
8687         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
8688         TARGET_SSE in addition to TARGET_SSE_MATH.
8689
8690         (ix86_excess_precision): Ditto.
8691         (ix86_float_exceptions_rounding_supported_p): Ditto.
8692         (use_rsqrt_p): Ditto.
8693         * config/i386/sse.md (rsqrt<mode>2): Ditto.
8694
8695 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
8696
8697         PR c/89410
8698         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
8699         linenum_arith_t when determining if two adjacent line spans are
8700         close enough to merge.
8701         (diagnostic_show_locus): Use linenum_arith_t when iterating over
8702         lines within each line_span.
8703
8704 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
8705
8706         PR target/86487
8707         * lra-constraints.c(uses_hard_regs_p): Fix handling of
8708         paradoxical SUBREGS.
8709
8710 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
8711
8712         PR target/88100
8713         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
8714         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
8715         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
8716         range checking it.
8717
8718 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
8719
8720         * config/gcn/gcn.c (print_operand): Fix typo.
8721
8722 2019-02-19  Richard Biener  <rguenther@suse.de>
8723
8724         PR middle-end/88074
8725         * toplev.c (do_compile): Initialize mpfr's exponent range
8726         based on available float modes.
8727
8728 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8729
8730         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
8731         as long as the epilogue isn't completed.
8732
8733 2019-02-18  Martin Sebor  <msebor@redhat.com>
8734
8735         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
8736         __has_cpp_attribute, and __has_include.
8737
8738 2019-02-18  Martin Sebor  <msebor@redhat.com>
8739
8740         * doc/invoke.texi (-Wreturn-type): Correct and expand.
8741
8742 2019-02-18  Martin Sebor  <msebor@redhat.com>
8743
8744         PR middle-end/89294
8745         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
8746         expression.
8747         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
8748
8749 2019-02-18  Richard Biener  <rguenther@suse.de>
8750
8751         PR tree-optimization/89296
8752         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
8753         of no-warning flag to cases that might emit the bogus warning.
8754
8755 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
8756
8757         PR bootstrap/88714
8758         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
8759         "q" constraint.
8760         * config/arm/vfp.md (*movdi_vfp): Likewise.
8761         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
8762         "q" constraint for operands[0].
8763
8764         PR target/89369
8765         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
8766         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
8767         pattern in a temporary buffer.
8768         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
8769         than 64-operands[2].
8770
8771         PR target/89361
8772         * config/s390/s390.c (s390_indirect_branch_attrvalue,
8773         s390_indirect_branch_settings): Define unconditionally.
8774         (s390_set_current_function): Likewise, but guard the whole body except
8775         the s390_indirect_branch_settings call with
8776         #if S390_USE_TARGET_ATTRIBUTE.
8777         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
8778
8779         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
8780         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
8781         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
8782         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
8783         HOST_WIDE_INT_1U instead of 1ULL.
8784         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
8785         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
8786         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
8787         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
8788         instead of 1UL.
8789         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
8790         instead of 1ul.
8791
8792 2019-02-18  Martin Jambor  <mjambor@suse.cz>
8793
8794         PR tree-optimization/89209
8795         * tree-sra.c (create_access_replacement): New optional parameter
8796         reg_tree.  Use it as a type if non-NULL and access type is not of
8797         a register type.
8798         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
8799         to create_access_replacement.
8800         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
8801         Check lacc is non-NULL before attempting to re-create it on the RHS.
8802
8803 2019-02-18  Martin Liska  <mliska@suse.cz>
8804
8805         PR ipa/89306
8806         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
8807         by default.
8808         (symbol_table::free_edge): Recycle m_summary_id.
8809         * cgraph.h (get_summary_id): New.
8810         (symbol_table::release_symbol): Set m_summary_id to -1
8811         by default.
8812         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
8813         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
8814         function_summary to fast_function_summary.
8815         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
8816         * ipa-pure-const.c (class funct_state_summary_t):
8817         Switch from function_summary to fast_function_summary.
8818         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
8819         (class ipa_ref_opt_summary_t): Switch from function_summary
8820         to fast_function_summary.
8821         * symbol-summary.h (class function_summary_base): New class
8822         that is created from base of former function_summary.
8823         (function_summary_base::unregister_hooks): New.
8824         (class function_summary): Inherit from function_summary_base.
8825         (class call_summary_base): New class
8826         that is created from base of former call_summary.
8827         (class call_summary): Inherit from call_summary_base.
8828         (struct is_same): New.
8829         (class fast_function_summary): New summary class.
8830         (class fast_call_summary): New summary class.
8831         * vec.h (vec_safe_grow_cleared): New function.
8832
8833 2019-02-18  Martin Liska  <mliska@suse.cz>
8834
8835         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
8836         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
8837         * doc/tm.texi: Document new target hook.
8838         * doc/tm.texi.in: Likewise.
8839         * target.def: Add new target macro.
8840         * gcc.c (find_fortran_preinclude_file): Do not search multilib
8841         suffixes.
8842
8843 2019-02-17  Alan Modra  <amodra@gmail.com>
8844
8845         PR target/89271
8846         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
8847         output reg on add insn.
8848         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
8849
8850 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8851
8852         PR target/89372
8853         * config/i386/sse.md (ssedoublemode): Remove V4HI.
8854         (PMULHRSW): Likewise.
8855         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
8856         TARGET_AVX2.
8857         (ssse3_pmulhrswv4hi3): New expander.
8858
8859 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8860
8861         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
8862         MMX.  Add isa attribute.
8863
8864 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
8865
8866         PR rtl-optimization/66152
8867         * builtins.h (c_readstr): Declare.
8868         * builtins.c (c_readstr): Remove forward declaration.  Add
8869         null_terminated_p argument, if false, read all bytes from the
8870         string instead of stopping after '\0'.
8871         * expr.c (string_cst_read_str): New function.
8872         (store_expr): Use string_cst_read_str instead of
8873         builtin_strncpy_read_str.  Try to store by pieces the whole
8874         exp_len first, and only if that fails, split it up into
8875         store by pieces followed by clear_storage.  Formatting fix.
8876
8877         * config/i386/i386.md (*movqi_internal): Remove static from
8878         buf variable.  Use output_asm_insn (buf, operands); return "";
8879         instead of return buf;.
8880         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
8881         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
8882         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
8883
8884 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8885
8886         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
8887         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
8888         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
8889         (CC1_SPEC): Likewise.
8890         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
8891
8892 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8893
8894         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8895         the base address on 64-bit strict-alignment platforms.
8896
8897 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8898
8899         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8900
8901 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8902
8903         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8904
8905 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8906
8907         PR rtl-optimization/88308
8908         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8909         on copied instruction.
8910
8911 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8912
8913         * final.c (insn_current_reference_address): Replace test on JUMP_P
8914         with test on jump_to_label_p.
8915         * config/visium/visium-passes.def: New file.
8916         * config/visium/t-visium (PASSES_EXTRA): Define.
8917         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8918         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8919         (TRAMPOLINE_ALIGNMENT): Define.
8920         * config/visium/visium.c (visium_option_override): Do not register
8921         the machine-specific reorg pass here.
8922         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8923         for the GR6.
8924         (output_branch): Adjust threshold for long branch instruction.
8925         * config/visium/visium.md (cpu): Move around.
8926         (length): Adjust for the GR6.
8927
8928 2019-02-15  Richard Biener  <rguenther@suse.de>
8929             Jakub Jelinek  <jakub@redhat.com>
8930
8931         PR tree-optimization/89278
8932         * tree-loop-distribution.c: Include tree-eh.h.
8933         (generate_memset_builtin, generate_memcpy_builtin): Call
8934         rewrite_to_non_trapping_overflow on builtin->size before passing it
8935         to force_gimple_operand_gsi.
8936
8937 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8938
8939         PR other/89342
8940         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8941         optimize_debug.
8942         * opth-gen.awk: Likewise.
8943
8944 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8945
8946         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8947         Enable MMX, SSE and SSE2 by default.
8948         * config/i386/i386.c (ix86_option_override_internal): Do not
8949         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8950
8951 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8952
8953         PR rtl-optimization/89354
8954         * combine.c (make_extraction): Punt if extraction_mode is narrower
8955         than len bits.
8956
8957 2019-02-14  Maya Rashish  <coypu@sdf.org>
8958
8959         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8960         * config/netbsd-d.c: New file.
8961         * config/t-netbsd: Add netbsd-d.o
8962
8963 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8964
8965         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8966         affects_type_identity to true for aarch64_vector_pcs.
8967         (aarch64_comp_type_attributes): New function.
8968         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8969
8970 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8971
8972         PR target/88850
8973         * config/arm/iterators.md (ANY64): Add V4HF.
8974
8975 2019-02-14  Martin Liska  <mliska@suse.cz>
8976
8977         PR rtl-optimization/89242
8978         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8979         process a transformation.
8980
8981 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8982
8983         PR tree-optimization/89314
8984         * fold-const.c (fold_binary_loc): Cast strlen argument to
8985         const char * before dereferencing it.  Formatting fixes.
8986
8987         PR middle-end/89284
8988         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8989
8990 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8991
8992         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8993         and set current index for other optimizations.
8994
8995 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8996
8997         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8998         nonimmediate_operand as operand 2 predicate.
8999         (vec_set<VF2_512_256:mode>_0): Ditto.
9000         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
9001         (*vec_concatv2si): Remove alternative 2.
9002         (*vec_concatv4si_0): Use vm constraint for alternative 0.
9003         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
9004         (vec_concatv2di): Split alternatives 4,5,6 to ...
9005         (*vec_concatv2di_0) ... new pattern.
9006
9007 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
9008
9009         PR target/89190
9010         * config/arm/arm.c (ldm_stm_operation_p) Set
9011         addr_reg_in_reglist correctly for first register.
9012         (load_multiple_sequence): Remove dead base check.
9013         (gen_ldm_seq): Correctly set write_back for Thumb-1.
9014
9015 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
9016
9017         PR target/88847
9018         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
9019         Expose as @aarch64_pred_mov.
9020         * config/aarch64/aarch64.c (aarch64_classify_address):
9021         Use expand_insn which legitimizes operands.
9022
9023 2019-02-13  Martin Liska  <mliska@suse.cz>
9024
9025         * builtins.h (expand_builtin_with_bounds): Remove declaration.
9026         * calls.c (struct arg_data): Remove special_slot, pointer_arg
9027         and pointer_offset fields.
9028         (initialize_argument_information): Remove usage of dead
9029         fields.
9030         * cgraph.h (struct cgraph_thunk_info): Remove
9031         add_pointer_bounds_args.
9032         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
9033         fields.
9034         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
9035         fields.
9036         * config/i386/i386.c (ix86_function_arg_advance): Remove
9037         unrelated comment.
9038         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
9039         (def_builtin):  Remove usage of dead
9040         fields.
9041         (ix86_add_new_builtins): Likewise.
9042         * ipa-fnsummary.c (compute_fn_summary): Likewise.
9043         * ipa-icf.c (sem_function::equals_wpa): Likewise.
9044         (sem_function::init): Likewise.
9045         (sem_variable::merge): Likewise.
9046         * ipa-visibility.c (function_and_variable_visibility): Likewise.
9047         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
9048         * lto-cgraph.c (lto_output_node): Likewise.
9049         (lto_output_varpool_node): Likewise.
9050         (input_node): Likewise.
9051         (input_varpool_node): Likewise.
9052         * lto-streamer-out.c (lto_output): Likewise.
9053         * tree-inline.c (expand_call_inline): Remove usage of
9054         assign_stmts.
9055         * tree-inline.h (struct copy_body_data): Likewise.
9056         * varpool.c (varpool_node::dump): Likewise.
9057
9058 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
9059
9060         PR middle-end/89303
9061         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
9062         into pt->vars_contains_escaped_heap instead of setting
9063         pt->vars_contains_escaped_heap to it.
9064
9065         PR middle-end/89281
9066         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
9067         INTVAL (size), compare it to GET_MODE_MASK instead of
9068         1 << GET_MODE_BITSIZE.
9069
9070         PR target/89290
9071         * config/i386/predicates.md (x86_64_immediate_operand): Allow
9072         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
9073         -mcmodel=large.
9074
9075 2019-02-13  Martin Liska  <mliska@suse.cz>
9076
9077         PR lto/88858
9078         * cfgrtl.c (remove_barriers_from_footer): New function.
9079         (try_redirect_by_replacing_jump): Use it.
9080         (cfg_layout_redirect_edge_and_branch): Likewise.
9081
9082 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9083
9084         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
9085         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
9086         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
9087         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
9088         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
9089         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
9090         New BU_CRYPTO_2.
9091         * config/rs6000/rs6000.c (builtin_function_type)
9092         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
9093         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
9094         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
9095         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
9096         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
9097
9098 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
9099
9100         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
9101         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
9102
9103 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9104
9105         PR target/89229
9106         * config/i386/i386.md (*movoi_internal_avx): Revert revision
9107         268678 and revision 268657.
9108         (*movti_internal): Likewise.
9109
9110 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
9111
9112         PR target/89233
9113         * config/s390/s390.c (s390_decompose_address): Update comment.
9114         (s390_check_qrst_address): Reject invalid address forms after
9115         LRA.
9116
9117 2019-02-12  Martin Liska  <mliska@suse.cz>
9118
9119         PR lto/88876
9120         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
9121         we need default values of funct_state for a function that
9122         is not optimized.
9123
9124 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
9125
9126         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
9127         the object to pick the size of stores on strict-alignment platforms.
9128
9129         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
9130         (*movdi_insn_sp32): Likewise.
9131         (*movdi_insn_sp64): Likewise.
9132
9133 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
9134
9135         PR lto/88677
9136         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
9137         types that needs constructiong.
9138         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
9139
9140 2019-02-12  Richard Biener  <rguenther@suse.de>
9141
9142         PR tree-optimization/89253
9143         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
9144         duplicate the loop.
9145
9146 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
9147
9148         PR lto/88147
9149         * input.c (selftest::test_line_offset_overflow): New selftest.
9150         (selftest::input_c_tests): Call it.
9151
9152 2019-02-11  Martin Sebor  <msebor@redhat.com>
9153
9154         PR tree-optimization/88771
9155         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
9156         when -Wstringop-overflow is set.
9157         (builtin_memref::builtin_memref): Adjust excessive upper bound
9158         only when lower bound is not excessive.
9159         (maybe_diag_overlap): Detect and diagnose excessive bounds via
9160         -Wstringop-ovefflow.
9161         (maybe_diag_offset_bounds): Rename...
9162         (maybe_diag_access_bounds): ...to this.
9163         (check_bounds_or_overlap): Adjust for name change above.
9164
9165 2019-02-11  Martin Sebor  <msebor@redhat.com>
9166
9167         PR c++/87996
9168         * builtins.c (max_object_size): Move from here...
9169         * builtins.h (max_object_size): ...and here...
9170         * tree.c (max_object_size): ...to here...
9171         * tree.h (max_object_size): ...and here.
9172
9173 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
9174
9175         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
9176         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
9177         for correct semantics.
9178
9179 2019-02-11  Alan Modra  <amodra@gmail.com>
9180
9181         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
9182         -mlongcall and -mpltseq.
9183         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
9184         (RS/6000 and PowerPC Options <-mpltseq>): Document.
9185         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
9186         * config/rs6000/sysv4.opt (mpltseq): New option.
9187         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
9188         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
9189         support is lacking.  Don't allow -mpltseq with -mbss-plt.
9190         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
9191         -mpltseq given for ELFv1.
9192         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
9193         Only use UNSPEC_PLTSEQ for inline PLT calls.
9194         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
9195         use UNSPEC_PLTSEQ for inline PLT calls.
9196         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
9197         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
9198         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
9199         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
9200         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
9201         (pltseq_mtctr_<mode>): Likewise.
9202
9203 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9204
9205         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
9206         Solaris ld.
9207         * configure: Regenerate.
9208
9209 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
9210
9211         PR bootstrap/88714
9212         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
9213         instead of r.
9214
9215 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
9216
9217         * function.c (assign_parm_setup_block): Use the stored
9218         size, not the passed size, when allocating stack-space,
9219         also for a parameter with alignment larger than
9220         MAX_SUPPORTED_STACK_ALIGNMENT.
9221
9222 2019-02-11  Martin Liska  <mliska@suse.cz>
9223
9224         PR ipa/89009
9225         * ipa-cp.c (build_toporder_info): Remove usage of a param.
9226         * ipa-inline.c (inline_small_functions): Likewise.
9227         * ipa-pure-const.c (propagate_pure_const): Likewise.
9228         (propagate_nothrow): Likewise.
9229         * ipa-reference.c (propagate): Likewise.
9230         * ipa-utils.c (struct searchc_env): Remove unused field.
9231         (searchc): Always search across AVAIL_INTERPOSABLE.
9232         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
9233         the only called IPA pure const can properly not propagate
9234         across interposable boundary.
9235         * ipa-utils.h (ipa_reduced_postorder): Remove param.
9236
9237 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
9238
9239         * config/nds32/nds32.md (call_internal, call_value_internal,
9240         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
9241
9242 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
9243
9244         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
9245         typo.
9246
9247 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9248
9249         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
9250         in comments
9251
9252 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
9253
9254         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
9255
9256 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
9257
9258         PR tree-optimization/89268
9259         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
9260         if preds is non-NULL.
9261
9262 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9263
9264         PR lto/89272
9265         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
9266         polymorphic types.
9267
9268 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
9269
9270         * config/nds32/nds32.md (trap): New pattern.
9271
9272 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
9273
9274         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
9275         dwarf span.
9276
9277 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
9278
9279         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
9280         to split POST_INC.
9281
9282 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9283
9284         * ipa-visibility.c (localize_node): Also do not localize
9285         LDPR_PREVAILING_DEF_IRONLY_EXP.
9286
9287 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9288
9289         PR lto/87957
9290         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
9291         instead of type_with_linkage.
9292
9293 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
9294
9295         PR ipa/88755
9296         * params.def (uninlined-function-insns, uninlined-function-time,
9297         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
9298         bound so we don't get overflows.
9299
9300 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
9301
9302         * config/rs6000/rs6000-string.c (expand_compare_loop,
9303         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
9304         memcmp/strncmp.
9305
9306 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
9307
9308         PR middle-end/89246
9309         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9310         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
9311         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
9312
9313 2019-02-09  Alan Modra  <amodra@gmail.com>
9314
9315         PR target/88343
9316         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
9317         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
9318         setup.
9319
9320 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
9321
9322         PR middle-end/88560
9323         * lra-constraints.c (process_alt_operands): Don't increase reject
9324         for memory when offset memory is required.
9325
9326 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
9327
9328         * config/s390/vector.md: Implement vector copysign.
9329
9330 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
9331
9332         * expr.c (expand_constructor): Correct indentations.
9333
9334 2019-02-08  Richard Biener  <rguenther@suse.de>
9335
9336         PR tree-optimization/89247
9337         * tree-if-conv.c: Include tree-cfgcleanup.h.
9338         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
9339         (tree_if_conversion): Pass through predicate vector.
9340         (pass_if_conversion::execute): Do CFG cleanup and SSA update
9341         inline, see if any if-converted loops we refrece in
9342         LOOP_VECTORIZED calls vanished and fixup.
9343         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
9344
9345 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
9346
9347         * config/s390/constraints.md (jdd): New constraint.
9348
9349 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
9350
9351         PR target/89229
9352         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
9353         upper 16 vector registers without TARGET_AVX512VL.
9354         (*movti_internal): Likewise.
9355
9356 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
9357
9358         PR rtl-optimization/89234
9359         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
9360         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
9361         (copy_reg_eh_region_note_backward): Likewise.
9362
9363 2019-02-08  Richard Biener  <rguenther@suse.de>
9364
9365         PR middle-end/89223
9366         * tree-data-ref.c (initialize_matrix_A): Fail if constant
9367         doesn't fit in HWI.
9368         (analyze_subscript_affine_affine): Handle failure from
9369         initialize_matrix_A.
9370
9371 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
9372
9373         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
9374         cfun everywhere.
9375
9376 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
9377
9378         PR tree-optimization/86637
9379         PR tree-optimization/89235
9380         * tree-vect-loop.c (optimize_mask_stores): Add an
9381         auto_purge_vect_location sentinel to ensure that vect_location is
9382         purged on exit.
9383         * tree-vectorizer.c
9384         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
9385         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
9386         to ensure that vect_location is purged on exit.
9387         (pass_slp_vectorize::execute): Likewise, replacing the manual
9388         reset.
9389         * tree-vectorizer.h (class auto_purge_vect_location): New class.
9390
9391 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9392
9393         * config/aarch64/iterators.md (max_opp): New code_attr.
9394         (USMAX): New code iterator.
9395         * config/aarch64/predicates.md (aarch64_smin): New predicate.
9396         (aarch64_smax): Likewise.
9397         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
9398         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
9399         MINUS (MAX MIN).
9400
9401 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
9402
9403         PR target/89229
9404         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
9405         for TARGET_AVX512VL.
9406         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
9407
9408 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
9409
9410         * config/s390/s390-builtin-types.def: Add new types.
9411         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
9412         (s390_vec_xlw4): Make the memory operand into a const pointer.
9413         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
9414         float.
9415         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
9416         a new vector type with the alignment of the scalar memory operand.
9417
9418 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
9419             Jakub Jelinek  <jakub@redhat.com>
9420
9421         PR bootstrap/88714
9422         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
9423         arm_count_ldrdstrd_insns): New declarations.
9424         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
9425         MINUS.
9426         (valid_operands_ldrd_strd): New function.
9427         (arm_count_ldrdstrd_insns): New function.
9428         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
9429         sets instead of single DImode set and define new insns to match this.
9430
9431 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
9432
9433         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
9434         Make it a C initializer.
9435
9436 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
9437
9438         PR/target 88850
9439         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
9440
9441 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9442
9443         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
9444         Use neon_dot<q> for type.
9445         (neon_<sup>dot_lane<vsi2qi>): Likewise.
9446
9447 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9448
9449         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
9450         Use neon_dot<q> for type.
9451         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
9452         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
9453
9454 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
9455
9456         PR rtl-optimization/89225
9457         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
9458         sizes check.
9459
9460 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
9461
9462         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
9463         after restoring registers saved to allocate the frame on Windows.
9464
9465 2019-02-06  Richard Biener  <rguenther@suse.de>
9466
9467         PR tree-optimization/89182
9468         * graphite.h (cached_scalar_evolution_in_region): Declare.
9469         * graphite.c (struct seir_cache_key): New.
9470         (struct sese_scev_hash): Likewise.
9471         (seir_cache): New global.
9472         (cached_scalar_evolution_in_region): New function.
9473         (graphite_transform_loops): Allocate and release seir_cache.
9474         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
9475         cached_scalar_evolution_in_region.
9476         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9477         Simplify.
9478         (scop_detection::graphite_can_represent_expr: Use
9479         cached_scalar_evolution_in_region.
9480         (scop_detection::stmt_simple_for_scop_p): Likewise.
9481         (find_params_in_bb): Likewise.
9482         (gather_bbs::before_dom_children): Likewise.
9483         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
9484         (add_loop_constraints): Likewise.
9485
9486 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
9487
9488         PR middle-end/89210
9489         * fold-const-call.c (fold_const_vec_convert): Pass true as last
9490         operand to new_unary_operation only if both element types are integral
9491         and it isn't a widening conversion.  Return NULL_TREE if
9492         new_unary_operation failed.
9493
9494 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
9495
9496         PR target/88856
9497         * config/s390/s390.md: Remove load and test FP splitter.
9498
9499 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
9500
9501         PR target/89112
9502         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
9503         expand_compare_loop, expand_block_compare_gpr,
9504         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
9505         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
9506         #include "profile-count.h" and "predict.h" for types and functions
9507         needed to work with REG_BR_PROB notes.
9508
9509 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
9510
9511         PR target/89112
9512         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
9513         for the long branch case.
9514
9515 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
9516
9517         PR target/89188
9518         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
9519         can throw, non-call exceptions are enabled and we can't delete
9520         dead exceptions or alter cfg.  Set must_clean if
9521         delete_insn_and_edges returns true, don't set it blindly for calls.
9522         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
9523
9524         PR rtl-optimization/89195
9525         * combine.c (make_extraction): For MEMs, don't extract bytes outside
9526         of the original MEM.
9527
9528 2019-02-05  Martin Liska  <mliska@suse.cz>
9529
9530         PR gcov-profile/89000
9531         * gcov.c (function_summary): Remove argument.
9532         (file_summary): New function.
9533         (print_usage): Replace tabs with spaces.
9534         (generate_results): Use new function file_summary.
9535
9536 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
9537
9538         PR target/89186
9539         * optabs.c (prepare_cmp_insn): Pass x and y to
9540         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
9541
9542 2019-02-05  Richard Biener  <rguenther@suse.de>
9543
9544         PR middle-end/89150
9545         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
9546         (struct bitmap_element): Drop chain_prev so we properly recurse on
9547         the prev member, supporting tree views.
9548         (struct bitmap_head): GTY skip the obstack member.
9549
9550 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
9551
9552         PR c/88698
9553         * doc/extend.texi (Vector Extensions): Add an example of using vector
9554         types together with x86 intrinsics.
9555
9556 2019-02-04  Alan Modra  <amodra@gmail.com>
9557
9558         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
9559         str[] size to 160, and comment.
9560
9561 2019-02-04  Alan Modra  <amodra@gmail.com>
9562
9563         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
9564         (rs6000_pltseq_template): Guard output of TLS markers with
9565         TARGET_TLS_MARKERS.
9566         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
9567         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
9568         to use inline PLT sequences.
9569         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
9570         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
9571         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
9572
9573 2019-02-04  Martin Liska  <mliska@suse.cz>
9574
9575         PR ipa/88985
9576         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
9577         out when ipa_fn_summaries does not contain entry for callee.
9578
9579 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
9580
9581         * config/sparc/sparc.h: Remove superfluous blank lines.
9582         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
9583         (got_register_rtx): ...this.
9584         (sparc_got): Adjust to above renaming.
9585         (sparc_tls_got): Likewise.
9586         (sparc_delegitimize_address): Likewise.
9587         (sparc_output_mi_thunk): Likewise.
9588         (sparc_init_pic_reg): Likewise.
9589         (save_local_or_in_reg_p): Fix test on the GOT register.
9590         (USE_HIDDEN_LINKONCE): Move around.
9591         (get_pc_thunk_name): Likewise.
9592         (gen_load_pcrel_sym): Likewise.
9593         (load_got_register): Likewise.
9594
9595 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
9596
9597         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
9598         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
9599
9600 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
9601
9602         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
9603         into consideration.
9604
9605 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
9606
9607         * config.gcc (with_nds32_lib, glibc):
9608         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
9609         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
9610         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
9611
9612 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
9613
9614         PR target/89071
9615         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
9616         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
9617         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
9618         (*rcpsf2_sse): Ditto.
9619         (*rsqrtsf2_sse): Ditto.
9620         (sse4_1_round<mode<2): Ditto.
9621
9622 2019-02-03  Richard Biener  <rguenther@suse.de>
9623
9624         PR debug/87295
9625         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
9626         orig.
9627
9628 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
9629
9630         PR middle-end/87887
9631         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9632         Punt with warning on aggregate return or argument types.  Ignore
9633         type/mode checking for uniform arguments.
9634
9635 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9636
9637         * combine.c (try_combine): Do not print "Can't combine" messages unless
9638         printing failed combination attempts.
9639
9640 2019-02-01  Martin Jambor  <mjambor@suse.cz>
9641
9642         PR hsa/87863
9643         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
9644         segment and global segment variables before making them static.
9645
9646 2019-02-01  Martin Jambor  <mjambor@suse.cz>
9647
9648         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
9649         missed optimization dump with dump_enabled_p.
9650
9651 2019-02-01  Richard Biener  <rguenther@suse.de>
9652
9653         PR middle-end/88597
9654         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
9655         the instantiate cache.
9656         (instantiate_scev_binary): Elide second operand procesing
9657         if equal to the first.
9658         * tree-chrec.c (chrec_contains_symbols): Add visited set.
9659         (chrec_contains_undetermined): Likewise.
9660         (tree_contains_chrecs): Likewise.
9661
9662 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
9663
9664         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
9665
9666 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
9667
9668         PR tree-optimization/89143
9669         * wide-int-range.h (wide_int_range_absu): Declare.
9670         * wide-int-range.cc (wide_int_range_absu): New function.
9671         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
9672
9673         PR tree-optimization/88107
9674         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
9675         instead of assertion that eh_region_outermost is non-NULL, if it
9676         is NULL, set *ALL to true and return NULL.
9677         (move_sese_region_to_fn): Adjust caller, if all is set, call
9678         duplicate_eh_regions with NULL region.
9679
9680 2019-02-01  Richard Biener  <rguenth@suse.de>
9681
9682         PR rtl-optimization/88593
9683         * mode-switching.c (optimize_mode_switching): Free dominators before
9684         calling cleanup_cfg.
9685
9686 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
9687
9688         PR tree-optimization/88932
9689         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
9690
9691 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9692
9693         PR middle-end/89137
9694         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
9695         bogus clang warning.
9696
9697 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
9698
9699         PR target/89071
9700         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
9701         alternative to avoid partial SSE register stall for TARGET_AVX.
9702         (truncdfsf2): Ditto.
9703         (sse4_1_round<mode>2): Ditto.
9704
9705 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
9706
9707         PR tree-optimization/89008
9708         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
9709         process anything of the form X * 0.
9710
9711 2019-01-31  Richard Biener  <rguenther@suse.de>
9712
9713         PR tree-optimization/89135
9714         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
9715         with abnormal preds.
9716
9717 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9718
9719         PR sanitizer/89124
9720         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
9721         always_inline callees into no_sanitize_address callers.
9722
9723 2019-01-31  Richard Biener  <rguenther@suse.de>
9724
9725         PR rtl-optimization/89115
9726         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
9727
9728 2019-01-30  Martin Sebor  <msebor@redhat.com>
9729
9730         PR other/89106
9731         * doc/extend.texi (cast to a union): Correct and expand.
9732
9733 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
9734
9735         PR rtl-optimization/87246
9736         * lra-constraints.c (simplify_operand_subreg): Reload memory
9737         in subreg if the address became invalid.
9738
9739 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
9740
9741         PR target/87064
9742         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
9743         Disable for little-endian.
9744
9745 2019-01-30  Richard Biener  <rguenther@suse.de>
9746
9747         PR rtl-optimization/89115
9748         * opts.c (default_options_optimization): Reduce
9749         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
9750         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
9751         to the default.
9752
9753 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9754
9755         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
9756         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
9757         type of vector element when vec_extract is implemented by direct
9758         move.
9759
9760 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
9761
9762         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
9763
9764 2019-01-30  Richard Biener  <rguenther@suse.de>
9765
9766         PR tree-optimization/89111
9767         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
9768         canonicalization to appropriately sized access types.
9769
9770 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
9771
9772         PR c++/89105
9773         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
9774         for arguments to functions that are TU-local and shouldn't be
9775         referenced by assembly.
9776
9777 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
9778
9779         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
9780         after '='.
9781
9782 2019-01-29  Martin Sebor  <msebor@redhat.com>
9783
9784         PR c/88956
9785         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
9786
9787 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
9788
9789         PR c++/66676
9790         PR ipa/89104
9791         * omp-simd-clone.c (simd_clone_clauses_extract)
9792         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
9793         OMP_CLAUSE_ALIGNED_ALIGNMENT.
9794
9795 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
9796
9797         * config.gcc: Force .init_array for ARC.
9798
9799 2019-01-29  Richard Biener  <rguenther@suse.de>
9800
9801         PR debug/87295
9802         * dwarf2out.c (collect_skeleton_dies): New helper.
9803         (copy_decls_for_unworthy_types): Call it.
9804         (build_abbrev_table): Assert we do not try to replace
9805         DW_AT_signature refs with local refs.
9806
9807 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9808
9809         PR middle-end/89002
9810         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
9811         for lastprivate/linear IV, push gimplify context around gimplify_assign
9812         and, if it needed any temporaries, pop it into a gimple bind around the
9813         sequence.
9814
9815 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9816
9817         * common.opt (-Wattribute-alias): Remove "no-" from name.
9818         Make -Wattribute-alias command line option and
9819         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
9820
9821 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9822
9823         PR target/89073
9824         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
9825         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
9826         x86 ISA options.
9827         (bmi2): Add missing @opindex.
9828         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
9829         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
9830         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
9831         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
9832         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
9833         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
9834         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
9835         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
9836         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
9837         xsavec, xsaveopt and xsaves options.
9838
9839 2019-01-28  Richard Biener  <rguenther@suse.de>
9840
9841         PR debug/89076
9842         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
9843         support removal.
9844
9845 2019-01-28  Richard Biener  <rguenther@suse.de>
9846
9847         PR tree-optimization/88739
9848         * tree-cfg.c (verify_types_in_gimple_reference): Verify
9849         BIT_FIELD_REFs only are applied to mode-precision operands
9850         when they are integral.
9851         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
9852         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
9853         BIT_FIELD_REFs of non-mode-precision integral operands.
9854
9855 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
9856
9857         PR target/87214
9858         * config/i386/sse.md
9859         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
9860         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
9861         first constants in pairs are multiples of 2.  Formatting fixes.
9862         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
9863         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
9864         first constants in each quadruple are multiples of 4.  Formatting fixes.
9865
9866 2019-01-26  Martin Jambor  <mjambor@suse.cz>
9867
9868         PR ipa/88933
9869         * tree-inline.c: Include tree-cfgcleanup.h.
9870         (delete_unreachable_blocks_update_callgraph): Move...
9871         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
9872         ...here, make externally visible, make second argument bool, adjust
9873         all callers.
9874         * tree-cfgcleanup.c: Include cgraph.h.
9875         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
9876         Declare.
9877         * ipa-prop.c: Include tree-cfgcleanup.h.
9878         (ipcp_transform_function): Call
9879         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
9880
9881 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
9882
9883         PR rtl-optimization/88846
9884         * ira.c (process_set_for_memref_referenced_p): New.
9885         (memref_referenced_p): Add new param.  Use
9886         process_set_for_memref_referenced_p.  Add new switch cases.
9887         (memref_used_between_p): Pass new arg to memref_referenced_p.
9888
9889 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
9890
9891         PR target/88469
9892         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9893         argument ABI_BREAK.  Set to true if the calculated alignment has
9894         changed in gcc-9.  Check bit-fields for their base type alignment.
9895         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9896         (aarch64_function_arg_boundary): Likewise.
9897         (aarch64_gimplify_va_arg_expr): Likewise.
9898
9899 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9900
9901         PR middle-end/89037
9902         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9903         instead of accessing TREE_INT_CST_ELT directly.
9904
9905 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9906
9907         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9908         fenv_exceptions description.
9909
9910 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9911
9912         PR rtl-optimization/87763
9913         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9914         Allow SUBREG when matching CC_NZmode compare.
9915
9916 2019-01-25  Richard Biener  <rguenther@suse.de>
9917
9918         PR tree-optimization/89049
9919         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9920         Look at the pattern stmt to determine if the stmt is vectorized.
9921
9922 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9923
9924         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9925         (pred_mov<mode>): Handle all-register forms using both a new
9926         alternative and a split.
9927
9928 2019-01-25  Richard Biener  <rguenther@suse.de>
9929
9930         PR tree-optimization/86865
9931         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9932         Reject non-do-while loops.
9933
9934 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9935
9936         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9937         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9938         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9939         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9940         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9941         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9942         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9943         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9944         vlogical_operand, gpc_reg_operand, int_reg_operand,
9945         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9946         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9947         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9948         (save_world_operation, restore_world_operation, lmw_operation,
9949         stmw_operation): Use MEM_P and REG_P.
9950         (tie_operand): Use MEM_P.
9951         (vrsave_operation, crsave_operation): Use REG_P.
9952         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9953         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9954         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9955         (call_operand): Use HARD_REGISTER_P.
9956         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9957         Use CONST_INT_P.
9958         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9959         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9960         quad_aligned_load_p, replace_swapped_aligned_store,
9961         recombine_lvx_pattern, replace_swapped_aligned_load,
9962         recombine_stvx_pattern): Use MEM_P.
9963         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9964         Use MEM_P and SYMBOL_REF_P.
9965         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9966         (insn_is_swappable_p): Use REG_P and MEM_P.
9967         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9968         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9969         Use CONST_INT_P.
9970         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9971         Use CONST_DOUBLE_P.
9972         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9973         CONST_WIDE_INT_P.
9974         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9975         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9976         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9977         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9978         reg_or_subregno:
9979         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9980         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9981         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9982         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9983         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9984         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9985         rs6000_split_logical_di): Use CONST_INT_P.
9986         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9987         REG_P and SYMBOL_REF_P.
9988         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9989         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9990         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9991         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9992         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9993         (small_data_operand, print_operand_address): Use CONST_INT_P and
9994         SYMBOL_REF_P.
9995         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9996         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9997         Use HARD_REGISTER_NUM_P.
9998         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9999         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
10000         SUBREG_P and SYMBOL_REF_P.
10001         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
10002         and HARD_REGISTER_NUM_P.
10003         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
10004         reg_or_subregno.
10005         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
10006         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
10007         MEM_P and REG_P.
10008         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
10009         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
10010         find_addr_reg): Use REG_P.
10011         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
10012         (rs6000_emit_le_vsx_move): Use SUBREG_P.
10013         (offsettable_ok_by_alignment, constant_pool_expr_p,
10014         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
10015         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
10016         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
10017         rs6000_assemble_integer, create_TOC_reference,
10018         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
10019         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
10020         (rs6000_split_vec_extract_var): Use reg_or_subregno.
10021         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
10022         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
10023         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
10024         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
10025         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
10026         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
10027         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
10028         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
10029         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
10030         and cbranch<mode>4): Use CONST_INT_P.
10031         (multiple define_splits): Use REG_P and SUBREG_P.
10032         (define_expands call, call_value): Use MEM_P.
10033         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
10034         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
10035         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
10036         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
10037         and HARD_REGISTER_NUM_P.
10038         (multiple define_splits): Use HARD_REGISTER_NUM_P.
10039
10040 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
10041
10042         PR rtl-optimization/88948
10043         * rtl.h (prepare_copy_insn): New prototype.
10044         * gcse.c (prepare_copy_insn): New function, split out from
10045         process_insert_insn.
10046         (process_insert_insn): Use prepare_copy_insn.
10047         * store-motion.c (replace_store_insn): Use prepare_copy_insn
10048         instead of gen_move_insn.
10049
10050 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
10051
10052         PR debug/89006
10053         * config/i386/i386.c (ix86_pic_register_p): Return true for
10054         UNSPEC_SET_GOT too.
10055
10056         PR tree-optimization/88964
10057         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
10058         punt if HONOR_SNANS (chrec).
10059
10060         PR middle-end/89015
10061         * tree-nested.c (convert_nonlocal_reference_stmt,
10062         convert_local_reference_stmt, convert_tramp_reference_stmt,
10063         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
10064         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
10065         or GIMPLE_OMP_TASK.
10066
10067         PR tree-optimization/89027
10068         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
10069         for "omp simd array" variables.
10070
10071 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
10072
10073         PR target/88469
10074         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
10075         force the alignment of m_val.
10076
10077 2019-01-24  Richard Biener  <rguenther@suse.de>
10078
10079         PR lto/87187
10080         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
10081         When in "legacy" debug mode make sure to reset self-origins.
10082
10083 2019-01-24  Martin Liska  <mliska@suse.cz>
10084
10085         PR gcov-profile/88994
10086         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
10087         result will be always smaller or equal to the original.
10088         * gcov.c (mangle_name): Fix else branch where we should
10089         also copy to PTR and shift the pointer.
10090
10091 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
10092
10093         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
10094         * vr-values.c (find_case_label_ranges): Fix a comment typo.
10095
10096 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
10097
10098         * common/config/i386/i386-common.c
10099         (OPTION_MASK_ISA_ENQCMD_SET,
10100         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
10101         (ix86_handle_option): Handle -menqcmd.
10102         * config.gcc (enqcmdintrin.h): New header file.
10103         * config/i386/cpuid.h (bit_ENQCMD): New bit.
10104         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
10105         -menqcmd.
10106         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
10107         function type.
10108         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
10109         __builtin_ia32_enqcmds): New builtins.
10110         * config/i386/i386-c.c (__ENQCMD__): New macro.
10111         * config/i386/i386-option.c (ix86_target_string): Add
10112         -menqcmd.
10113         (ix86_valid_target_attribute_inner_p): Likewise.
10114         * config/i386/i386-expand.c
10115         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
10116         IX86_BUILTIN_ENQCMDS.
10117         * config/i386/i386.h (TARGET_ENQCMD): New.
10118         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
10119         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
10120         (movdir64b_<mode>): Parameterize to enable share expansion code
10121         with ENQCMD in function ix86_expand_builtin.
10122         * config/i386/i386.opt: Add -menqcmd.
10123         * config/i386/immintrin.h: Include enqcmdintrin.h.
10124         * config/i386/enqcmdintrin.h: New intrinsic file.
10125         * doc/invoke.texi: Add -menqcmd.
10126
10127 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
10128             Steve Ellcey <sellcey@marvell.com>
10129
10130         PR target/85711
10131         * recog.c (address_operand): Return false on wrong mode for address.
10132         (constrain_operands): Check for mode with 'p' constraint.
10133
10134 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
10135
10136         PR target/88998
10137         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
10138         Disparage MMX alternative.
10139         (sse2_cvtpd2pi): Ditto.
10140         (sse2_cvttpd2pi): Ditto.
10141
10142 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
10143
10144         PR driver/89014
10145         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
10146         use-after-free of the result of
10147         aarch64_get_extension_string_for_isa_flags.
10148
10149 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
10150
10151         PR c/44715
10152         * doc/extend.texi: Document break and continue behavior in
10153         statement expressions.
10154
10155 2019-01-23  Richard Biener  <rguenther@suse.de>
10156
10157         PR tree-optimization/89008
10158         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
10159         not leave another stray operand.
10160
10161 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
10162
10163         * BASE-VER: Bump to 9.0.1.
10164
10165 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
10166
10167         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
10168         thunk that returns by reference, use the type of the return object
10169         of the thunk instead of that of the alias to build the dereference.
10170
10171 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
10172
10173         * config/arc/atomic.md: Add operand to DMB instruction.
10174
10175 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
10176
10177         PR tree-optimization/88964
10178         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
10179         build_zero_cst instead of build_int_cst.  Return false for loop
10180         invariants which honor signed zeros.
10181
10182 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
10183
10184         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
10185
10186 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
10187
10188         PR target/88965
10189         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
10190         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
10191         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
10192
10193         PR middle-end/88968
10194         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
10195         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
10196
10197         PR target/87064
10198         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
10199         Disable for little endian.
10200
10201 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
10202
10203         PR target/88469
10204         * config/arm/arm.c (arm_needs_double_word_align): Check
10205         DECL_BIT_FIELD_TYPE.
10206
10207 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
10208             H.J. Lu  <hongjiu.lu@intel.com>
10209
10210         PR target/88909
10211         * config/i386/i386-builtin.def: Add mask2 to all builtin
10212         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
10213         SPECIAL_ARGS.
10214         * config/i386/i386.c (BDESC): Add mask2 to the definition.
10215         (BDESC_FIRST): Likewise.
10216         (define_builtin): Add an argument for mask2.  Updated to handle
10217         both ix86_isa_flags and ix86_isa_flags2.
10218         (define_builtin_const): Likewise.
10219         (define_builtin_pure): Likewise.
10220         (define_builtin2): Deleted.
10221         (define_builtin_const2): Likewise.
10222         (builtin_description): Add a member, mask2.
10223         (bdesc_*): Add mask2 to builtin initializations.
10224         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
10225         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
10226         support.
10227         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
10228
10229 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10230
10231         PR target/88954
10232         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
10233         noplt attribute.
10234
10235 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
10236
10237         PR target/88469
10238         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
10239         alignment is dominated by a bitfield with 64-bit aligned base type.
10240         (arm_function_arg): Emit a warning if the alignment has changed since
10241         earlier GCC releases.
10242         (arm_function_arg_boundary): Likewise.
10243         (arm_setup_incoming_varargs): Likewise.
10244
10245 2019-01-22  Richard Biener  <rguenther@suse.de>
10246
10247         PR tree-optimization/88862
10248         * graphite-scop-detection.c
10249         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
10250
10251 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
10252
10253         * doc/extend.tex (AMD GCN Function Attributes): New section.
10254         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
10255         * doc/invoke.texi (AMD GCN Options): New section.
10256         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
10257
10258 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
10259
10260         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
10261         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
10262
10263 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
10264
10265         PR tree-optimization/88044
10266         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
10267         is false in the first iteration, but !every_iteration, return false
10268         instead of true with niter->niter zero.
10269
10270         PR rtl-optimization/88904
10271         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
10272         any nonequal registers before processing BB_END (b).
10273
10274         PR target/88905
10275         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
10276         GET_MODE (op0).
10277         (expand_binop_directly, expand_doubleword_clz,
10278         expand_doubleword_popcount, expand_ctz, expand_ffs,
10279         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
10280
10281         PR rtl-optimization/49429
10282         PR target/49454
10283         PR rtl-optimization/86334
10284         PR target/88906
10285         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
10286         addressable from here...
10287         (emit_block_op_via_libcall): ... to here.
10288
10289 2019-01-22  Richard Biener  <rguenther@suse.de>
10290
10291         * tree-vect-loop.c (vect_analyze_loop_operations): Use
10292         auto_vec for cost vector to fix memleak.
10293         (vectorize_fold_left_reduction): Properly gather SLP defs.
10294         (vectorizable_comparison): Do not swap operands to properly
10295         gather SLP defs.
10296
10297 2019-01-22  Alan Modra  <amodra@gmail.com>
10298
10299         PR target/88614
10300         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
10301         stays a reg.  Allow a const_int.
10302         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
10303         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
10304         (IS_NOMARK_TLSGETADDR): Define.
10305         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
10306         (rs6000_output_tlsargs): New function.
10307         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
10308         __tls_get_addr call takes an arg.
10309         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
10310         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
10311         delete split..
10312         (call_value_nonlocal_sysv): ..or here, delete split.
10313         (tls_gdld_nomark): Delete.
10314         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
10315         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
10316         (call_value_nonlocal_sysv): Likewise.
10317         (call_value_nonlocal_sysv_secure): Likewise.
10318         (call_value_nonlocal_aix): Likewise.
10319         (call_value_indirect_aix): Likewise.
10320         (call_value_indirect_elfv2): Likewise.
10321         (call_value_local32, call_value_local64): Disable for no-mark tls.
10322         (call_value_local_aix): Likewise.
10323
10324 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
10325
10326         PR target/88938
10327         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
10328         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
10329
10330 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
10331
10332         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
10333         string contents as hash_map keys.
10334
10335 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10336
10337         PR c/88928
10338         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
10339         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
10340         instead of TYPE_ALIGN.
10341         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
10342         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
10343         pointer from TYPE_STUB_DECL.
10344
10345 2019-01-21  Richard Biener  <rguenther@suse.de>
10346
10347         PR tree-optimization/88934
10348         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
10349         at the possibly non-constant operand.
10350         (vect_get_constant_vectors): Adjust.
10351
10352 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
10353
10354         PR target/71659
10355         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
10356         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
10357         instead of _X86INTRIN_H_INCLUDED.
10358         * onfig/i386/clwbintrin.h: Likewise.
10359         * config/i386/pkuintrin.h: Likewise.
10360         * config/i386/prfchwintrin.h: Likewise.
10361         * config/i386/rdseedintrin.h: Likewise.
10362         * config/i386/wbnoinvdintrin.h: Likewise.
10363         * config/i386/xsavecintrin.h: Likewise.
10364         * config/i386/xsavesintrin.h: Likewise.
10365         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
10366         * config/i386/xsaveintrin.h: Likewise.
10367         * config/i386/xsaveoptintrin.h: Likewise.
10368         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
10369         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
10370         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
10371         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
10372         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
10373         * config/i386/immintrin.h: Here.
10374
10375 2019-01-20  Martin Jambor  <mjambor@suse.cz>
10376
10377         PR ipa/87615
10378         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
10379         with aa_walk_budget.
10380         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
10381         aa_walk_budget_p parameter.
10382         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
10383         walk.  Updated all callers.
10384         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
10385         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
10386         unmodified_parm.
10387         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
10388         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
10389         and to unmodified_parm.
10390         (phi_result_unknown_predicate): New parameter fbi, removed parameter
10391         info, updated call to will_be_nonconstant_expr_predicate.
10392         (param_change_prob): New parameter fbi, limit AA walking.
10393         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
10394         calls to various above functions.
10395         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
10396         parameter.  Use it to limit AA walking.
10397         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
10398         fbi, limit AA walk.
10399         (detect_type_change): New parameter fbi, pass it on to
10400         detect_type_change_from_memory_writes.
10401         (detect_type_change_ssa): Likewise.
10402         (aa_overwalked): Removed.
10403         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
10404         accordingly, adjust to the neew AA limiting scheme.
10405         (parm_ref_data_preserved_p): Likewise.
10406         (ipa_compute_jump_functions_for_edge): Adjust call to
10407         get_dynamic_type.
10408         (ipa_analyze_call_uses): Likewise.
10409         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
10410         (ipa_analyze_node): Initialize aa_walk_budget.
10411         (ipcp_transform_function): Likewise.
10412         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
10413         to get_dynamic_type.
10414
10415 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
10416
10417         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
10418         outside of #if CHECKING_P code.
10419
10420 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
10421
10422         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
10423         New function, split out from...
10424         (loop_versioning::analyze_stride): ...here.
10425         (loop_versioning::find_per_loop_multiplication): Use gassign.
10426         (loop_versioning::analyze_term_using_scevs): Return a success code.
10427         (loop_versioning::analyze_arbitrary_term): New function.
10428         (loop_versioning::analyze_address_fragment): Use
10429         analyze_arbitrary_term if all else fails.
10430
10431 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
10432
10433         PR target/88892
10434         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
10435         operands.
10436
10437 2019-01-18  Richard Biener  <rguenther@suse.de>
10438
10439         PR tree-optimization/88903
10440         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
10441         scalar stmts a SLP shift amount is composed of when detecting
10442         shifts by scalars.
10443
10444 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
10445
10446         PR target/88799
10447         * config/arm/arm-cpus.in (mp): New feature.
10448         (sec): New feature.
10449         (fgroup ARMv7ve): Add mp and sec features.
10450         (arch armv7-a): Add options to allow mp and sec extensions.
10451         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
10452         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
10453         extenstions to the base architecture.
10454         (cpu cortex-a8): Add sec extension to the base architecture.
10455         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
10456         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
10457         variants down to the base v7-a varaint.
10458         * config/arm/t-multilib (v7_a_arch_variants): New variable.
10459         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
10460         of permitted extensions for -march=armv7-a and for
10461         -mcpu=generic-armv7-a.
10462
10463 2019-01-18  Martin Liska  <mliska@suse.cz>
10464
10465         * params.def: Fix comment.
10466         * tree-profile.c (gimple_init_gcov_profiler): Bump function
10467         name.
10468         (gimple_gen_ic_func_profiler): Likewise.
10469
10470 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10471
10472         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
10473         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
10474         and put in error checks for stack protector guard options.
10475         (aarch64_stack_protect_guard): New.
10476         (TARGET_STACK_PROTECT_GUARD): Define.
10477         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
10478         (reg_stack_protect_address<mode>): New.
10479         (stack_protect_set): Adjust for SSP_GLOBAL.
10480         (stack_protect_test): Likewise.
10481         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
10482         (-mstack-protector-guard): Likewise.
10483         (-mstack-protector-guard-offset): Likewise.
10484
10485 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
10486
10487         PR tree-optimization/86214
10488         * tree-inline.h (struct copy_body_data): Add
10489         add_clobbers_to_eh_landing_pads member.
10490         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
10491         (copy_edges_for_bb): Call it if EH edge destination is <
10492         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
10493         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
10494         if flag_stack_reuse != SR_NONE and clear it afterwards.
10495
10496 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
10497
10498         PR target/85596
10499         * doc/install.texi (with-multilib-list): Document for aarch64.
10500
10501 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
10502
10503         PR target/88734
10504         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
10505         (("..."))) with ("...").
10506
10507 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
10508
10509         * doc/extend.texi (Built-in Functions for Memory Model Aware
10510         Atomic Operations): Document atomic fetch and nand.
10511
10512 2019-01-18  Martin Liska  <mliska@suse.cz>
10513             Richard Biener  <rguenther@suse.de>
10514
10515         PR middle-end/88587
10516         * cgraph.h (create_version_clone_with_body): Add new argument
10517         with attributes.
10518         * cgraphclones.c (cgraph_node::create_version_clone): Add
10519         DECL_ATTRIBUTES to a newly created decl.  And call
10520         valid_attribute_p so that proper cl_target_optimization_node
10521         is set for the newly created declaration.
10522         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
10523         for declaration.
10524         (expand_target_clones): Do not call valid_attribute_p, it must
10525         be already done.
10526         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
10527         vector types.
10528
10529 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
10530
10531         PR target/88734
10532         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
10533         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
10534         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
10535
10536 2019-01-17  Martin Sebor  <msebor@redhat.com>
10537
10538         PR middle-end/88273
10539         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
10540         Handle anti-ranges the same as no range at all.
10541
10542 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
10543
10544         * config/aarch64/aarch64.c (cgraph.h): New include.
10545         (intl.h): New include.
10546         (supported_simd_type): New function.
10547         (currently_supported_simd_type): Ditto.
10548         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
10549         (aarch64_simd_clone_adjust): Ditto.
10550         (aarch64_simd_clone_usable): Ditto.
10551         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
10552         (TARGET_SIMD_CLONE_ADJUST): Ditto.
10553         (TARGET_SIMD_CLONE_USABLE): Ditto.
10554         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
10555         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
10556         call.
10557
10558 2019-01-17  Martin Sebor  <msebor@redhat.com>
10559
10560         PR tree-optimization/88800
10561         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
10562         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
10563         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
10564         redundant argument.  Add new argument and issue diagnostics under
10565         its control.  Detect out-of-bounds access even with warnings
10566         disabled.
10567         (check_bounds_or_overlap): Change return type.  Add argument.
10568         (wrestrict_dom_walker::check_call): Adjust.
10569         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
10570         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
10571         check_bounds_or_overlap's return value.
10572         (handle_builtin_stxncpy): Same.
10573         (handle_builtin_strcat): Same.
10574
10575 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
10576             Kwok Cheung Yeung  <kcy@codesourcery.com>
10577             Julian Brown  <julian@codesourcery.com>
10578             Tom de Vries  <tom@codesourcery.com>
10579
10580         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
10581
10582 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
10583
10584         * doc/sourcebuild.texi: Document dg-require-effective-target
10585         llvm_binutils and offload_gcn.
10586
10587 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
10588             Kwok Cheung Yeung  <kcy@codesourcery.com>
10589             Julian Brown  <julian@codesourcery.com>
10590             Tom de Vries  <tom@codesourcery.com>
10591
10592         * doc/sourcebuild.texi: Document dg-required-effective-target
10593         exceptions.
10594
10595 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
10596             Kwok Cheung Yeung  <kcy@codesourcery.com>
10597             Julian Brown  <julian@codesourcery.com>
10598             Tom de Vries  <tom@codesourcery.com>
10599             Jan Hubicka  <hubicka@ucw.cz>
10600             Martin Jambor  <mjambor@suse.cz>
10601
10602         * config.gcc: Add amdgcn*-*-amdhsa configuration.
10603         * configure.ac: Check for dlopen.
10604         * configure: Regenerate.
10605
10606 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
10607             Kwok Cheung Yeung  <kcy@codesourcery.com>
10608             Julian Brown  <julian@codesourcery.com>
10609             Tom de Vries  <tom@codesourcery.com>
10610             Jan Hubicka  <hubicka@ucw.cz>
10611             Martin Jambor  <mjambor@suse.cz>
10612
10613         * common/config/gcn/gcn-common.c: New file.
10614         * config/gcn/driver-gcn.c: New file.
10615         * config/gcn/gcn-builtins.def: New file.
10616         * config/gcn/gcn-hsa.h: New file.
10617         * config/gcn/gcn-modes.def: New file.
10618         * config/gcn/gcn-opts.h: New file.
10619         * config/gcn/gcn-passes.def: New file.
10620         * config/gcn/gcn-protos.h: New file.
10621         * config/gcn/gcn-run.c: New file.
10622         * config/gcn/gcn-tree.c: New file.
10623         * config/gcn/gcn.c: New file.
10624         * config/gcn/gcn.h: New file.
10625         * config/gcn/gcn.opt: New file.
10626         * config/gcn/t-gcn-hsa: New file.
10627
10628 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
10629             Kwok Cheung Yeung  <kcy@codesourcery.com>
10630             Julian Brown  <julian@codesourcery.com>
10631             Tom de Vries  <tom@codesourcery.com>
10632             Jan Hubicka  <hubicka@ucw.cz>
10633             Martin Jambor  <mjambor@suse.cz>
10634
10635         * config/gcn/constraints.md: New file.
10636         * config/gcn/gcn-valu.md: New file.
10637         * config/gcn/gcn.md: New file.
10638         * config/gcn/predicates.md: New file.
10639
10640 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
10641
10642         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
10643         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
10644         (stmt_uses_0_or_null_in_undefined_way): Likewise.
10645         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
10646
10647 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
10648
10649         PR target/88851
10650         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
10651         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
10652         it and document registers.
10653
10654 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10655
10656         * config/aarch64/aarch64.c (ares_tunings): Define.
10657         * config/aarch64/aarch64-cores.def (ares): Use the above.
10658
10659 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10660
10661         PR target/88794
10662         Revert:
10663         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
10664
10665         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
10666         (_mm512_fixupimm_round_pd): Update parameters and builtin.
10667         (_mm512_maskz_fixupimm_round_pd): Ditto.
10668         (_mm512_fixupimm_round_ps): Ditto.
10669         (_mm512_maskz_fixupimm_round_ps): Ditto.
10670         (_mm_fixupimm_round_sd): Ditto.
10671         (_mm_maskz_fixupimm_round_sd): Ditto.
10672         (_mm_fixupimm_round_ss): Ditto.
10673         (_mm_maskz_fixupimm_round_ss): Ditto.
10674         (_mm512_fixupimm_pd): Ditto.
10675         (_mm512_maskz_fixupimm_pd): Ditto.
10676         (_mm512_fixupimm_ps): Ditto.
10677         (_mm512_maskz_fixupimm_ps): Ditto.
10678         (_mm_fixupimm_sd): Ditto.
10679         (_mm_maskz_fixupimm_sd): Ditto.
10680         (_mm_fixupimm_ss): Ditto.
10681         (_mm_maskz_fixupimm_ss): Ditto.
10682         (_mm512_mask_fixupimm_round_pd): Update builtin.
10683         (_mm512_mask_fixupimm_round_ps): Ditto.
10684         (_mm_mask_fixupimm_round_sd): Ditto.
10685         (_mm_mask_fixupimm_round_ss): Ditto.
10686         (_mm512_mask_fixupimm_pd): Ditto.
10687         (_mm512_mask_fixupimm_ps): Ditto.
10688         (_mm_mask_fixupimm_sd): Ditto.
10689         (_mm_mask_fixupimm_ss): Ditto.
10690         * config/i386/avx512vlintrin.h:
10691         (_mm256_fixupimm_pd): Update parameters and builtin.
10692         (_mm256_maskz_fixupimm_pd): Ditto.
10693         (_mm256_fixupimm_ps): Ditto.
10694         (_mm256_maskz_fixupimm_ps): Ditto.
10695         (_mm_fixupimm_pd): Ditto.
10696         (_mm_maskz_fixupimm_pd): Ditto.
10697         (_mm_fixupimm_ps): Ditto.
10698         (_mm_maskz_fixupimm_ps): Ditto.
10699         (_mm256_mask_fixupimm_pd): Update builtin.
10700         (_mm256_mask_fixupimm_ps): Ditto.
10701         (_mm_mask_fixupimm_pd): Ditto.
10702         (_mm_mask_fixupimm_ps): Ditto.
10703         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
10704         * config/i386/i386-builtin.def: Update builtin definitions.
10705         * config/i386/i386.c: Handle new builtin types and remove useless ones.
10706         * config/i386/sse.md: Update VFIXUPIMM* patterns.
10707         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10708         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10709         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
10710         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10711         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10712         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
10713         * config/i386/subst.md:
10714         (round_saeonly_sd_mask_operand4): Add new subst_attr.
10715         (round_saeonly_sd_mask_op4): Ditto.
10716         (round_saeonly_expand_operand5): Ditto.
10717         (round_saeonly_expand): Update.
10718
10719 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10720
10721         PR target/88794
10722         Revert:
10723         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
10724
10725         * config/i386/sse.md: Combine VFIXUPIMM* patterns
10726         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10727         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10728         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
10729         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10730         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10731         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
10732
10733 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10734
10735         PR target/88794
10736         Revert:
10737         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
10738
10739         PR target/88489
10740         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
10741         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
10742         instead of UNSPEC_FIXUPIMM.
10743
10744 2019-01-17  Richard Biener  <rguenther@suse.de>
10745
10746         PR lto/86736
10747         * dwarf2out.c (want_pubnames): Never generate pubnames sections
10748         and friends for the LTO part of debug info.
10749
10750 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
10751
10752         PR tree-optimization/86214
10753         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
10754         if x == y.
10755
10756         PR rtl-optimization/88870
10757         * dce.c (deletable_insn_p): Never delete const/pure calls that can
10758         throw if we can't alter the cfg or delete dead exceptions.
10759         (mark_insn): Don't call find_call_stack_args for such calls.
10760
10761 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
10762
10763         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
10764         prototypes for vec_st.
10765         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
10766         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
10767         mainly on signed/unsigned long long and double.
10768
10769 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
10770
10771         PR target/88861
10772         * combine.c (delete_noop_moves): Convert to "bool" return,
10773         returning true if any edges are eliminated.
10774         (combine_instructions): Also return true if delete_noop_moves
10775         returns true.
10776
10777 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10778
10779         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
10780         correct max nunits for endian swap.
10781         (aarch64_expand_fcmla_builtin): Correct subreg code.
10782         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10783         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
10784         lane endianness.
10785
10786 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
10787
10788         * config/alpha/alpha.c (alpha_gimplify_va_arg):
10789         Handle split indirect COMPLEX_TYPE arguments.
10790
10791 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
10792
10793         PR target/86891
10794         * config/aarch64/aarch64-modes.def: Add comment about how the carry
10795         bit is set by add and compare.
10796         (CC_ADC): New CC_MODE.
10797         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
10798         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
10799         comparison.  Add detection for CC_ADCmode.
10800         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
10801         CC_ADCmode.
10802         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
10803         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
10804         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
10805         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
10806         to eliminate the need for zero-extending the operands.
10807         (add<mode>3_compareC_imm): Delete.  Merge into ...
10808         (add<mode>3_compareC): ... this.  Restructure the comparison to
10809         eliminate the need for zero-extending the operands.
10810         (add<mode>3_carryin): Use LTU for the overflow detection.
10811         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
10812         Reexpress comparison for overflow.
10813         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
10814         (add<mode>3_carryinC): Likewise.
10815         (add<mode>3_carryinV): Use LTU for carry between partials.
10816         * config/aarch64/predicates.md (aarch64_carry_operation): Update
10817         handling of CC_Cmode and add CC_ADCmode.
10818         (aarch64_borrow_operation): Likewise.
10819
10820 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10821
10822         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
10823         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
10824         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
10825         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
10826
10827 2019-01-16  Martin Liska  <mliska@suse.cz>
10828
10829         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
10830         for GCC driver.
10831         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
10832         a new argument.
10833         * gcc.c (add_sysrooted_hdrs_prefix): New function.
10834         (path_prefix_reset): Move up in the source file.
10835         (find_fortran_preinclude_file): Make complex search for the
10836         fortran header files.
10837
10838 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
10839
10840         * godump.c (go_output_typedef): When outputting a typedef, refer
10841         to the underlying type by its name and not its structure.
10842
10843 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
10844
10845         PR c++/88795
10846         * tree.c (build_function_type): Assert that arg_types is not
10847         error_mark_node.
10848
10849 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
10850
10851         PR inline-asm/52813
10852         * doc/extend.texi: Document that listing the stack pointer in the
10853         clobber list of an asm is a deprecated feature.
10854         * common.opt (Wdeprecated): Moved from c-family/c.opt.
10855         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
10856         warning instead of an error for clobbers of the stack pointer.
10857         Add a note explaining why.
10858
10859 2019-01-15  Richard Biener  <rguenther@suse.de>
10860
10861         PR debug/88046
10862         * dwarf2out.c (gen_member_die): Do not generate inheritance
10863         DIEs late.
10864
10865 2019-01-15  Richard Biener  <rguenther@suse.de>
10866
10867         PR tree-optimization/88855
10868         * tree-if-conv.c (combine_blocks): Collect
10869         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
10870
10871 2019-01-15  Tom de Vries  <tdevries@suse.de>
10872
10873         PR target/80547
10874         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
10875         lhs == NULL_TREE for gang-level reduction.
10876
10877 2019-01-15  Richard Biener  <rguenther@suse.de>
10878             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10879
10880         PR ipa/88788
10881         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
10882         return true if SSA_NAME is already marked in visited bitmap.
10883         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
10884
10885 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
10886
10887         PR tree-optimization/88775
10888         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
10889         equal == 0 equality pointer comparisons some more if compared in
10890         integral types and either one points to an automatic var and the
10891         other to a global, or we can prove at least one points to the middle
10892         or both point to start or both point to end.
10893
10894 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10895
10896         * Makefile.in: Lower autofdo sampling rate by 10x.
10897         * Makefile.tpl: Dito.
10898
10899 2019-01-14  Tom Honermann  <tom@honermann.net>
10900
10901         * defaults.h: Define CHAR8_TYPE.
10902
10903 2019-01-14  Martin Sebor  <msebor@redhat.com>
10904
10905         PR target/88638
10906         * doc/extend.texi (Darwin Format Checks): Clarify.
10907
10908 2019-01-14  Richard Biener  <rguenther@suse.de>
10909
10910         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10911         whether we are in (simplify ...) or (match ...) context.
10912
10913 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10914
10915         PR rtl-optimization/88796
10916         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10917         * cfgexpand.c (stack_protect_prologue): Initialize
10918         crtl->stack_protect_guard_decl.
10919         * function.c (stack_protect_epilogue): Use it instead of calling
10920         targetm.stack_protect_guard again.
10921         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10922         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10923         crtl->stack_protect_guard_decl.
10924         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10925         on the returned MEM_EXPR.
10926
10927 2019-01-12  Tom de Vries  <tdevries@suse.de>
10928
10929         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10930         vector length using -fopenacc-dim.
10931
10932 2019-01-12  Tom de Vries  <tdevries@suse.de>
10933
10934         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10935         lengths into account.
10936
10937 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10938
10939         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10940         (TARGET_CAN_SPLIT_STACK): Define.
10941         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10942
10943 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10944
10945         * params.def (inline-unit-growth): Set to 40.
10946
10947 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10948
10949         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10950
10951 2019-01-12  Tom de Vries  <tdevries@suse.de>
10952
10953         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10954         region calling vector-partitionable routine, set default_vector_length
10955         to WARP_SIZE.
10956
10957 2019-01-12  Tom de Vries  <tdevries@suse.de>
10958
10959         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10960         variable default_vector_length.
10961
10962 2019-01-12  Tom de Vries  <tdevries@suse.de>
10963
10964         PR middle-end/88703
10965         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10966         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10967         dimensions limits.
10968
10969 2019-01-12  Tom de Vries  <tdevries@suse.de>
10970
10971         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10972         (nvptx_goacc_validate_dims): Add used parameter.
10973         * doc/tm.texi: Regenerate.
10974         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10975         argument to call to targetm.goacc.validate_dims.
10976         (default_goacc_validate_dims): Add used
10977         parameter.
10978         * target.def (validate_dims): Add used parameter in DEFHOOK.
10979         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10980
10981 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10982
10983         PR middle-end/85956
10984         PR lto/88733
10985         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10986         field.
10987         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10988         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10989         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10990         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10991
10992 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10993
10994         PR rtl-optimization/87305
10995         * lra-assigns.c
10996         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10997         for little endian pseudos used as paradoxical subreg.
10998
10999 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
11000
11001         PR tree-optimization/88693
11002         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
11003         for STRING_CSTs that don't contain any NUL characters in the first
11004         TREE_STRING_LENGTH bytes.
11005
11006 2019-01-11  Alan Modra  <amodra@gmail.com>
11007
11008         PR 88777
11009         PR 88614
11010         * genattrtab.c (min_fn): Don't translate values.
11011         (min_attr_value): Return INT_MAX when the value can't be calculated.
11012         Return minimum among any values that can be calculated.
11013         (max_attr_value): Adjust.
11014
11015 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
11016
11017         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
11018
11019 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
11020
11021         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
11022         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
11023         (aarch64_return_call_with_max_clobbers): New function.
11024         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
11025         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
11026         argument.
11027         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
11028         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
11029         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
11030         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
11031         * cselib.c (cselib_process_insn): Add argument to
11032         targetm.hard_regno_call_part_clobbered call.
11033         * ira-conflicts.c (ira_build_conflicts): Ditto.
11034         * ira-costs.c (ira_tune_allocno_costs): Ditto.
11035         * lra-constraints.c (inherit_reload_reg): Ditto.
11036         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
11037         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
11038         argument.  Call targetm.return_call_with_max_clobbers.
11039         Add argument to targetm.hard_regno_call_part_clobbered call.
11040         (calls_have_same_clobbers_p): New function.
11041         (process_bb_lives): Add call_insn and last_call_insn variables.
11042         Pass call_insn to check_pseudos_live_through_calls.
11043         Modify if stmt to check targetm.return_call_with_max_clobbers.
11044         Update setting of flush variable.
11045         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
11046         to false.
11047         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
11048         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
11049         targetm.hard_regno_call_part_clobbered call.
11050         * reginfo.c (choose_hard_reg_mode): Ditto.
11051         * regrename.c (check_new_reg_p): Ditto.
11052         * reload.c (find_equiv_reg): Ditto.
11053         * reload1.c (emit_reload_insns): Ditto.
11054         * sched-deps.c (deps_analyze_insn): Ditto.
11055         * sel-sched.c (init_regs_for_mode): Ditto.
11056         (mark_unavailable_hard_regs): Ditto.
11057         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
11058         * target.def (hard_regno_call_part_clobbered): Add insn argument.
11059         (return_call_with_max_clobbers): New target function.
11060         * doc/tm.texi: Regenerate.
11061         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
11062         * hooks.c (hook_bool_uint_mode_false): Change to
11063         hook_bool_insn_uint_mode_false.
11064         * hooks.h (hook_bool_uint_mode_false): Ditto.
11065
11066 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
11067
11068         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
11069         (aarch64_remove_extra_call_preserved_regs): New function.
11070         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
11071         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
11072         * doc/tm.texi: Regenerate.
11073         * final.c (get_call_reg_set_usage): Call new hook.
11074         * target.def (remove_extra_call_preserved_regs): New hook.
11075         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
11076         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
11077
11078 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
11079
11080         PR bootstrap/88714
11081         * passes.c (finish_optimization_passes): Call print_combine_total_stats
11082         inside of pass_combine_1 dump rather than pass_profile_1.
11083
11084 2019-01-11  Tom de Vries  <tdevries@suse.de>
11085
11086         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
11087         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
11088         (PTX_NUM_PER_WORKER_BARRIERS): Define.
11089         (nvptx_apply_dim_limits): Prevent vector_length 64 and
11090         num_workers 16.
11091
11092 2019-01-11  Tom de Vries  <tdevries@suse.de>
11093
11094         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
11095
11096 2019-01-11  Jan Beulich  <jbeulich@suse.com>
11097
11098         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
11099         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
11100         sse2_cvtsi2sd): Add {l}.
11101         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
11102         syntax.
11103
11104 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
11105
11106         PR target/88785
11107         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
11108         define_expand.
11109         (*float<floatunssuffix>v2div2sf2): New define_insn.
11110         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
11111         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
11112         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
11113         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
11114         match_operands with "const0_operand" "C".
11115
11116 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
11117
11118         * config/aarch64/aarch64-builtins.c
11119         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
11120         (aarch64_init_simd_builtins): ...Here
11121
11122 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
11123
11124         PR rtl-optimization/87305
11125         * lra-assigns.c
11126         (setup_live_pseudos_and_spill_after_risky_transforms): Check
11127         allocation for big endian pseudos used as paradoxical subregs and
11128         spill them if it is wrong.
11129         * lra-constraints.c (lra_constraints): Add a comment.
11130
11131 2019-01-10  Richard Biener  <rguenther@suse.de>
11132
11133         PR tree-optimization/88792
11134         * tree-ssa-pre.c (get_representative_for): Do not return a
11135         value-number here.
11136
11137 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
11138
11139         PR middle-end/84877
11140         PR bootstrap/88450
11141         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
11142         (assign_parm_setup_block): Do the argument slot realignment here
11143         instead.
11144
11145 2019-01-10  Stefan Agner  <stefan@agner.ch>
11146
11147         PR target/88648
11148         * config/arm/arm.c (arm_option_override_internal): Force
11149         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
11150
11151 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
11152
11153         PR c/88568
11154         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
11155         DECL_EXTERNAL.
11156
11157 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
11158
11159         * config/arm/arm-builtins.c
11160         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
11161         (MAC_LANE_PAIR_QUALIFIERS): New.
11162         (arm_expand_builtin_args): Use it.
11163         (arm_expand_builtin_1): Likewise.
11164         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
11165         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
11166         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
11167         * config/arm/arm_neon.h:
11168         (vcadd_rot90_f16): New.
11169         (vcaddq_rot90_f16): New.
11170         (vcadd_rot270_f16): New.
11171         (vcaddq_rot270_f16): New.
11172         (vcmla_f16): New.
11173         (vcmlaq_f16): New.
11174         (vcmla_lane_f16): New.
11175         (vcmla_laneq_f16): New.
11176         (vcmlaq_lane_f16): New.
11177         (vcmlaq_laneq_f16): New.
11178         (vcmla_rot90_f16): New.
11179         (vcmlaq_rot90_f16): New.
11180         (vcmla_rot90_lane_f16): New.
11181         (vcmla_rot90_laneq_f16): New.
11182         (vcmlaq_rot90_lane_f16): New.
11183         (vcmlaq_rot90_laneq_f16): New.
11184         (vcmla_rot180_f16): New.
11185         (vcmlaq_rot180_f16): New.
11186         (vcmla_rot180_lane_f16): New.
11187         (vcmla_rot180_laneq_f16): New.
11188         (vcmlaq_rot180_lane_f16): New.
11189         (vcmlaq_rot180_laneq_f16): New.
11190         (vcmla_rot270_f16): New.
11191         (vcmlaq_rot270_f16): New.
11192         (vcmla_rot270_lane_f16): New.
11193         (vcmla_rot270_laneq_f16): New.
11194         (vcmlaq_rot270_lane_f16): New.
11195         (vcmlaq_rot270_laneq_f16): New.
11196         (vcadd_rot90_f32): New.
11197         (vcaddq_rot90_f32): New.
11198         (vcadd_rot270_f32): New.
11199         (vcaddq_rot270_f32): New.
11200         (vcmla_f32): New.
11201         (vcmlaq_f32): New.
11202         (vcmla_lane_f32): New.
11203         (vcmla_laneq_f32): New.
11204         (vcmlaq_lane_f32): New.
11205         (vcmlaq_laneq_f32): New.
11206         (vcmla_rot90_f32): New.
11207         (vcmlaq_rot90_f32): New.
11208         (vcmla_rot90_lane_f32): New.
11209         (vcmla_rot90_laneq_f32): New.
11210         (vcmlaq_rot90_lane_f32): New.
11211         (vcmlaq_rot90_laneq_f32): New.
11212         (vcmla_rot180_f32): New.
11213         (vcmlaq_rot180_f32): New.
11214         (vcmla_rot180_lane_f32): New.
11215         (vcmla_rot180_laneq_f32): New.
11216         (vcmlaq_rot180_lane_f32): New.
11217         (vcmlaq_rot180_laneq_f32): New.
11218         (vcmla_rot270_f32): New.
11219         (vcmlaq_rot270_f32): New.
11220         (vcmla_rot270_lane_f32): New.
11221         (vcmla_rot270_laneq_f32): New.
11222         (vcmlaq_rot270_lane_f32): New.
11223         (vcmlaq_rot270_laneq_f32): New.
11224         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
11225         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
11226         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
11227         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
11228         vcmlaq_lane270): New.
11229         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
11230         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
11231         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
11232         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
11233         (arm_option_reconfigure_globals): Use them.
11234         * config/arm/iterators.md (VDF, VQ_HSF): New.
11235         (VCADD, VCMLA): New.
11236         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
11237         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
11238         New.
11239         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
11240         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
11241
11242 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
11243
11244         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
11245         Add qualifier_lane_pair_index.
11246         (emit-rtl.h): Include.
11247         (TYPES_QUADOP_LANE_PAIR): New.
11248         (aarch64_simd_expand_args): Use it.
11249         (aarch64_simd_expand_builtin): Likewise.
11250         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
11251         New.
11252         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
11253         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
11254         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
11255         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
11256         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
11257         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
11258         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
11259         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
11260         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
11261         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
11262         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
11263         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
11264         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
11265         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
11266         Add __ARM_FEATURE_COMPLEX.
11267         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
11268         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
11269         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
11270         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
11271         fcmlaq_lane270): New.
11272         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
11273         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
11274         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
11275         * config/aarch64/arm_neon.h:
11276         (vcadd_rot90_f16): New.
11277         (vcaddq_rot90_f16): New.
11278         (vcadd_rot270_f16): New.
11279         (vcaddq_rot270_f16): New.
11280         (vcmla_f16): New.
11281         (vcmlaq_f16): New.
11282         (vcmla_lane_f16): New.
11283         (vcmla_laneq_f16): New.
11284         (vcmlaq_lane_f16): New.
11285         (vcmlaq_rot90_lane_f16): New.
11286         (vcmla_rot90_laneq_f16): New.
11287         (vcmla_rot90_lane_f16): New.
11288         (vcmlaq_rot90_f16): New.
11289         (vcmla_rot90_f16): New.
11290         (vcmlaq_laneq_f16): New.
11291         (vcmla_rot180_laneq_f16): New.
11292         (vcmla_rot180_lane_f16): New.
11293         (vcmlaq_rot180_f16): New.
11294         (vcmla_rot180_f16): New.
11295         (vcmlaq_rot90_laneq_f16): New.
11296         (vcmlaq_rot270_laneq_f16): New.
11297         (vcmlaq_rot270_lane_f16): New.
11298         (vcmla_rot270_laneq_f16): New.
11299         (vcmlaq_rot270_f16): New.
11300         (vcmla_rot270_f16): New.
11301         (vcmlaq_rot180_laneq_f16): New.
11302         (vcmlaq_rot180_lane_f16): New.
11303         (vcmla_rot270_lane_f16): New.
11304         (vcadd_rot90_f32): New.
11305         (vcaddq_rot90_f32): New.
11306         (vcaddq_rot90_f64): New.
11307         (vcadd_rot270_f32): New.
11308         (vcaddq_rot270_f32): New.
11309         (vcaddq_rot270_f64): New.
11310         (vcmla_f32): New.
11311         (vcmlaq_f32): New.
11312         (vcmlaq_f64): New.
11313         (vcmla_lane_f32): New.
11314         (vcmla_laneq_f32): New.
11315         (vcmlaq_lane_f32): New.
11316         (vcmlaq_laneq_f32): New.
11317         (vcmla_rot90_f32): New.
11318         (vcmlaq_rot90_f32): New.
11319         (vcmlaq_rot90_f64): New.
11320         (vcmla_rot90_lane_f32): New.
11321         (vcmla_rot90_laneq_f32): New.
11322         (vcmlaq_rot90_lane_f32): New.
11323         (vcmlaq_rot90_laneq_f32): New.
11324         (vcmla_rot180_f32): New.
11325         (vcmlaq_rot180_f32): New.
11326         (vcmlaq_rot180_f64): New.
11327         (vcmla_rot180_lane_f32): New.
11328         (vcmla_rot180_laneq_f32): New.
11329         (vcmlaq_rot180_lane_f32): New.
11330         (vcmlaq_rot180_laneq_f32): New.
11331         (vcmla_rot270_f32): New.
11332         (vcmlaq_rot270_f32): New.
11333         (vcmlaq_rot270_f64): New.
11334         (vcmla_rot270_lane_f32): New.
11335         (vcmla_rot270_laneq_f32): New.
11336         (vcmlaq_rot270_lane_f32): New.
11337         (vcmlaq_rot270_laneq_f32): New.
11338         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
11339         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
11340         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
11341         (FCADD, FCMLA): New.
11342         (rot): New.
11343         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
11344
11345 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
11346
11347         PR other/16615
11348
11349         * config/pa/pa.c: Change "can not" to "cannot".
11350         * gimple-ssa-evrp-analyze.c: Likewise.
11351         * ipa-icf.c: Likewise.
11352         * ipa-polymorphic-call.c: Likewise.
11353         * ipa-pure-const.c: Likewise.
11354         * lra-constraints.c: Likewise.
11355         * lra-remat.c: Likewise.
11356         * reload1.c: Likewise.
11357         * reorg.c: Likewise.
11358         * tree-ssa-uninit.c: Likewise.
11359
11360 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
11361
11362         PR other/16615
11363
11364         * Makefile.in: Mechanically replace "can not" with "cannot".
11365         * alias.c: Likewise.
11366         * builtins.c: Likewise.
11367         * calls.c: Likewise.
11368         * cgraph.c: Likewise.
11369         * cgraph.h: Likewise.
11370         * cgraphclones.c: Likewise.
11371         * cgraphunit.c: Likewise.
11372         * combine-stack-adj.c: Likewise.
11373         * combine.c: Likewise.
11374         * common/config/i386/i386-common.c: Likewise.
11375         * config/aarch64/aarch64.c: Likewise.
11376         * config/alpha/sync.md: Likewise.
11377         * config/arc/arc.c: Likewise.
11378         * config/arc/predicates.md: Likewise.
11379         * config/arm/arm-c.c: Likewise.
11380         * config/arm/arm.c: Likewise.
11381         * config/arm/arm.h: Likewise.
11382         * config/arm/arm.md: Likewise.
11383         * config/arm/cortex-r4f.md: Likewise.
11384         * config/csky/csky.c: Likewise.
11385         * config/csky/csky.h: Likewise.
11386         * config/darwin-f.c: Likewise.
11387         * config/epiphany/epiphany.md: Likewise.
11388         * config/i386/i386.c: Likewise.
11389         * config/i386/sol2.h: Likewise.
11390         * config/m68k/m68k.c: Likewise.
11391         * config/mcore/mcore.h: Likewise.
11392         * config/microblaze/microblaze.md: Likewise.
11393         * config/mips/20kc.md: Likewise.
11394         * config/mips/sb1.md: Likewise.
11395         * config/nds32/nds32.c: Likewise.
11396         * config/nds32/predicates.md: Likewise.
11397         * config/pa/pa.c: Likewise.
11398         * config/rs6000/e300c2c3.md: Likewise.
11399         * config/rs6000/rs6000.c: Likewise.
11400         * config/s390/s390.h: Likewise.
11401         * config/sh/sh.c: Likewise.
11402         * config/sh/sh.md: Likewise.
11403         * config/spu/vmx2spu.h: Likewise.
11404         * cprop.c: Likewise.
11405         * dbxout.c: Likewise.
11406         * df-scan.c: Likewise.
11407         * doc/cfg.texi: Likewise.
11408         * doc/extend.texi: Likewise.
11409         * doc/fragments.texi: Likewise.
11410         * doc/gty.texi: Likewise.
11411         * doc/invoke.texi: Likewise.
11412         * doc/lto.texi: Likewise.
11413         * doc/md.texi: Likewise.
11414         * doc/objc.texi: Likewise.
11415         * doc/rtl.texi: Likewise.
11416         * doc/tm.texi: Likewise.
11417         * dse.c: Likewise.
11418         * emit-rtl.c: Likewise.
11419         * emit-rtl.h: Likewise.
11420         * except.c: Likewise.
11421         * expmed.c: Likewise.
11422         * expr.c: Likewise.
11423         * fold-const.c: Likewise.
11424         * genautomata.c: Likewise.
11425         * gimple-fold.c: Likewise.
11426         * hard-reg-set.h: Likewise.
11427         * ifcvt.c: Likewise.
11428         * ipa-comdats.c: Likewise.
11429         * ipa-cp.c: Likewise.
11430         * ipa-devirt.c: Likewise.
11431         * ipa-fnsummary.c: Likewise.
11432         * ipa-icf.c: Likewise.
11433         * ipa-inline-transform.c: Likewise.
11434         * ipa-inline.c: Likewise.
11435         * ipa-polymorphic-call.c: Likewise.
11436         * ipa-profile.c: Likewise.
11437         * ipa-prop.c: Likewise.
11438         * ipa-pure-const.c: Likewise.
11439         * ipa-reference.c: Likewise.
11440         * ipa-split.c: Likewise.
11441         * ipa-visibility.c: Likewise.
11442         * ipa.c: Likewise.
11443         * ira-build.c: Likewise.
11444         * ira-color.c: Likewise.
11445         * ira-conflicts.c: Likewise.
11446         * ira-costs.c: Likewise.
11447         * ira-int.h: Likewise.
11448         * ira-lives.c: Likewise.
11449         * ira.c: Likewise.
11450         * ira.h: Likewise.
11451         * loop-invariant.c: Likewise.
11452         * loop-unroll.c: Likewise.
11453         * lower-subreg.c: Likewise.
11454         * lra-assigns.c: Likewise.
11455         * lra-constraints.c: Likewise.
11456         * lra-eliminations.c: Likewise.
11457         * lra-lives.c: Likewise.
11458         * lra-remat.c: Likewise.
11459         * lra-spills.c: Likewise.
11460         * lra.c: Likewise.
11461         * lto-cgraph.c: Likewise.
11462         * lto-streamer-out.c: Likewise.
11463         * postreload-gcse.c: Likewise.
11464         * predict.c: Likewise.
11465         * profile-count.h: Likewise.
11466         * profile.c: Likewise.
11467         * recog.c: Likewise.
11468         * ree.c: Likewise.
11469         * reload.c: Likewise.
11470         * reload1.c: Likewise.
11471         * reorg.c: Likewise.
11472         * resource.c: Likewise.
11473         * rtl.def: Likewise.
11474         * rtl.h: Likewise.
11475         * rtlanal.c: Likewise.
11476         * sched-deps.c: Likewise.
11477         * sched-ebb.c: Likewise.
11478         * sched-rgn.c: Likewise.
11479         * sel-sched-ir.c: Likewise.
11480         * sel-sched.c: Likewise.
11481         * shrink-wrap.c: Likewise.
11482         * simplify-rtx.c: Likewise.
11483         * symtab.c: Likewise.
11484         * target.def: Likewise.
11485         * toplev.c: Likewise.
11486         * tree-call-cdce.c: Likewise.
11487         * tree-cfg.c: Likewise.
11488         * tree-complex.c: Likewise.
11489         * tree-core.h: Likewise.
11490         * tree-eh.c: Likewise.
11491         * tree-inline.c: Likewise.
11492         * tree-loop-distribution.c: Likewise.
11493         * tree-nrv.c: Likewise.
11494         * tree-profile.c: Likewise.
11495         * tree-sra.c: Likewise.
11496         * tree-ssa-alias.c: Likewise.
11497         * tree-ssa-dce.c: Likewise.
11498         * tree-ssa-dom.c: Likewise.
11499         * tree-ssa-forwprop.c: Likewise.
11500         * tree-ssa-loop-im.c: Likewise.
11501         * tree-ssa-loop-ivcanon.c: Likewise.
11502         * tree-ssa-loop-ivopts.c: Likewise.
11503         * tree-ssa-loop-niter.c: Likewise.
11504         * tree-ssa-phionlycprop.c: Likewise.
11505         * tree-ssa-phiopt.c: Likewise.
11506         * tree-ssa-propagate.c: Likewise.
11507         * tree-ssa-threadedge.c: Likewise.
11508         * tree-ssa-threadupdate.c: Likewise.
11509         * tree-ssa-uninit.c: Likewise.
11510         * tree-ssanames.c: Likewise.
11511         * tree-streamer-out.c: Likewise.
11512         * tree.c: Likewise.
11513         * tree.h: Likewise.
11514         * vr-values.c: Likewise.
11515
11516 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
11517
11518         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
11519         (ix86_split_xorsign): Ditto.
11520         * config/i386/i386.c (ix86_expand_xorsign): New function.
11521         (ix86_split_xorsign): Ditto.
11522         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
11523         (xorsign<mode>3): New expander.
11524         (xorsign<mode>3_1): New insn_and_split pattern.
11525         * config/i386/sse.md (xorsign<mode>3): New expander.
11526
11527 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11528
11529         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
11530         (*tablejump_sp64): Likewise.
11531         (*tablejump<P:mode>): ...this.
11532         (*call_address_sp32): Merge into...
11533         (*call_address_sp64): Likewise.
11534         (*call_address<P:mode>): ...this.
11535         (*call_symbolic_sp32): Merge into...
11536         (*call_symbolic_sp64): Likewise.
11537         (*call_symbolic<P:mode>): ...this.
11538         (call_value): Remove constraint and add predicate.
11539         (*call_value_address_sp32): Merge into...
11540         (*call_value_address_sp64): Likewise.
11541         (*call_value_address<P:mode>): ...this.
11542         (*call_value_symbolic_sp32): Merge into...
11543         (*call_value_symbolic_sp64): Likewise.
11544         (*call_value_symbolic<P:mode>): ...this.
11545         (*sibcall_symbolic_sp32): Merge into...
11546         (*sibcall_symbolic_sp64): Likewise.
11547         (*sibcall_symbolic<P:mode>): ...this.
11548         (sibcall_value): Remove constraint and add predicate.
11549         (*sibcall_value_symbolic_sp32): Merge into...
11550         (*sibcall_value_symbolic_sp64): Likewise.
11551         (*sibcall_value_symbolic<P:mode>): ...this.
11552         (window_save): Minor tweak.
11553         (*branch_sp32): Merge into...
11554         (*branch_sp64): Likewise.
11555         (*branch<P:mode>): ...this.
11556
11557 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11558             James Clarke  <jrtc27@jrtc27.com>
11559
11560         PR target/84010
11561         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
11562         consistently in TLS address generation and adjust code to the renaming
11563         of patterns.  Mark calls to __tls_get_addr as const.
11564         * config/sparc/sparc.md (tgd_hi22): Turn into...
11565         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
11566         (tgd_lo10): Turn into...
11567         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
11568         (tgd_add32): Merge into...
11569         (tgd_add64): Likewise.
11570         (tgd_add<P:mode>): ...this and use Pmode throughout.
11571         (tldm_hi22): Turn into...
11572         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
11573         (tldm_lo10): Turn into...
11574         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
11575         (tldm_add32): Merge into...
11576         (tldm_add64): Likewise.
11577         (tldm_add<P:mode>): ...this and use Pmode throughout.
11578         (tldm_call32): Merge into...
11579         (tldm_call64): Likewise.
11580         (tldm_call<P:mode>): ...this and use Pmode throughout.
11581         (tldo_hix22): Turn into...
11582         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
11583         (tldo_lox10): Turn into...
11584         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
11585         (tldo_add32): Merge into...
11586         (tldo_add64): Likewise.
11587         (tldo_add<P:mode>): ...this and use Pmode throughout.
11588         (tie_hi22): Turn into...
11589         (tie_hi22<P:mode>): ...this and use Pmode throughout.
11590         (tie_lo10): Turn into...
11591         (tie_lo10<P:mode>): ...this and use Pmode throughout.
11592         (tie_ld64): Use DImode throughout.
11593         (tie_add32): Merge into...
11594         (tie_add64): Likewise.
11595         (tie_add<P:mode>): ...this and use Pmode throughout.
11596         (tle_hix22_sp32): Merge into...
11597         (tle_hix22_sp64): Likewise.
11598         (tle_hix22<P:mode>): ...this and use Pmode throughout.
11599         (tle_lox22_sp32): Merge into...
11600         (tle_lox22_sp64): Likewise.
11601         (tle_lox22<P:mode>): ...this and use Pmode throughout.
11602         (*tldo_ldub_sp32): Merge into...
11603         (*tldo_ldub_sp64): Likewise.
11604         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
11605         (*tldo_ldub1_sp32): Merge into...
11606         (*tldo_ldub1_sp64): Likewise.
11607         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
11608         (*tldo_ldub2_sp32): Merge into...
11609         (*tldo_ldub2_sp64): Likewise.
11610         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
11611         (*tldo_ldsb1_sp32): Merge into...
11612         (*tldo_ldsb1_sp64): Likewise.
11613         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
11614         (*tldo_ldsb2_sp32): Merge into...
11615         (*tldo_ldsb2_sp64): Likewise.
11616         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
11617         (*tldo_ldub3_sp64): Use DImode throughout.
11618         (*tldo_ldsb3_sp64): Likewise.
11619         (*tldo_lduh_sp32): Merge into...
11620         (*tldo_lduh_sp64): Likewise.
11621         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
11622         (*tldo_lduh1_sp32): Merge into...
11623         (*tldo_lduh1_sp64): Likewise.
11624         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
11625         (*tldo_ldsh1_sp32): Merge into...
11626         (*tldo_ldsh1_sp64): Likewise.
11627         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
11628         (*tldo_lduh2_sp64): Use DImode throughout.
11629         (*tldo_ldsh2_sp64): Likewise.
11630         (*tldo_lduw_sp32): Merge into...
11631         (*tldo_lduw_sp64): Likewise.
11632         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
11633         (*tldo_lduw1_sp64): Use DImode throughout.
11634         (*tldo_ldsw1_sp64): Likewise.
11635         (*tldo_ldx_sp64): Likewise.
11636         (*tldo_stb_sp32): Merge into...
11637         (*tldo_stb_sp64): Likewise.
11638         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
11639         (*tldo_sth_sp32): Merge into...
11640         (*tldo_sth_sp64): Likewise.
11641         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
11642         (*tldo_stw_sp32): Merge into...
11643         (*tldo_stw_sp64): Likewise.
11644         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
11645         (*tldo_stx_sp64): Use DImode throughout.
11646
11647 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11648
11649         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
11650         check configure option to set BTI and Return Address Signing.
11651         * configure.ac: Add --enable-standard-branch-protection and
11652         --disable-standard-branch-protection.
11653         * configure: Regenerated.
11654         * doc/install.texi: Document the same.
11655
11656 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11657             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11658
11659         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
11660         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
11661         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
11662         if bti is enabled.
11663         * config/aarch64/aarch64-bti-insert.c: New file.
11664         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
11665         pass.
11666         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
11667         new bti pass.
11668         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
11669         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
11670         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
11671         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
11672
11673 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11674
11675         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
11676         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
11677         Disable bti for -mbranch-protection=none.
11678         (aarch64_handle_standard_branch_protection): Enable bti for
11679         -mbranch-protection=standard.
11680         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
11681         -mbranch-protection.
11682         (aarch64_bti_enabled): Check if bti is enabled.
11683         * config/aarch64/aarch64.opt: Declare target variable.
11684         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
11685
11686 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11687
11688         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
11689         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
11690         (aarch64_expand_epilogue): Likewise.
11691         (aarch64_output_mi_thunk): Likewise
11692         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
11693         TAILCALL_ADDR_REGS to x16 and x17.
11694         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
11695
11696 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11697
11698         * config/aarch64/aarch64-option-extensions.def: Define
11699         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
11700         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
11701         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
11702         (AARCH64_FL_PREDRES): New.
11703         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
11704         AARCH64_FL_PREDRES by default.
11705         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
11706
11707 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11708
11709         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
11710         ARMv8.5-A.
11711         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
11712         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
11713         * doc/invoke.texi: Document ARMv8.5-A.
11714
11715 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
11716
11717         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
11718         (xorsign<mode>3): Likewise.
11719
11720 2019-01-09  Jelinek  <jakub@redhat.com>
11721
11722         PR middle-end/88758
11723         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
11724         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
11725
11726         PR rtl-optimization/88331
11727         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
11728         not currently_expanding_to_rtl.
11729
11730 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11731
11732         * doc/invoke.texi (-Os): Remove trailing spaces.
11733         (-finline-functions): Remove reference to -O2.
11734
11735 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
11736
11737         PR rtl-optimization/79593
11738         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
11739
11740         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
11741         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
11742
11743 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
11744
11745         PR bootstrap/88721
11746         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
11747         to -1 on entry.
11748
11749         PR debug/88723
11750         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
11751         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
11752
11753 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
11754
11755         PR target/88717
11756         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
11757         ix86_avx_u128_mode_entry.
11758
11759 2019-01-08  Martin Liska  <mliska@suse.cz>
11760
11761         PR tree-optimization/88753
11762         * tree-switch-conversion.c (switch_conversion::build_one_array):
11763         Come up with local variable constructor.  Convert first to
11764         type of constructor values.
11765
11766 2019-01-08  Richard Biener  <rguenther@suse.de>
11767
11768         PR tree-optimization/86554
11769         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
11770         rpo_avail): Move earlier.
11771         (visit_nary_op): When value-numbering to expressions
11772         with different overflow behavior make sure there's an
11773         available expression on the path.
11774
11775 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
11776
11777         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
11778         aarch64_parse_branch_protection,
11779         struct aarch64_branch_protect_type,
11780         aarch64_handle_no_branch_protection,
11781         aarch64_handle_standard_branch_protection,
11782         aarch64_validate_mbranch_protection,
11783         aarch64_handle_pac_ret_protection,
11784         aarch64_handle_attr_branch_protection,
11785         accepted_branch_protection_string,
11786         aarch64_pac_ret_subtypes,
11787         aarch64_branch_protect_types,
11788         aarch64_handle_pac_ret_leaf): Define.
11789         (aarch64_override_options_after_change_1, aarch64_override_options):
11790         Add check for accepted_branch_protection_string.
11791         (aarch64_option_save): Save accepted_branch_protection_string.
11792         (aarch64_option_restore): Save accepted_branch_protection_string.
11793         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
11794         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
11795         msign-return-address.
11796         * doc/invoke.texi: Add mbranch-protection.
11797
11798 2019-01-08  Alan Modra  <amodra@gmail.com>
11799
11800         PR target/88614
11801         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
11802         Delete "unknownp" parameter.  Adjust callers.  Handle
11803         CONST_INT, PLUS, MINUS, and MULT.
11804         (attr_value_aligned): Renamed from or_attr_value.
11805         (min_attr_value): Return INT_MIN for unhandled rtl case..
11806         (min_fn): ..and translate to INT_MAX here.
11807         (write_length_unit_log): Modify to cope without "unknown".
11808         (write_attr_value): Handle IF_THEN_ELSE.
11809
11810 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11811
11812         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
11813         optimization for masked stores.
11814
11815 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11816
11817         PR middle-end/88567
11818         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
11819         output vector directly to duplicate_and_interleave instead of
11820         going through a temporary.  Postpone insertion of ctor_seq to
11821         the end of the loop.
11822
11823 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
11824
11825         PR target/86891
11826         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
11827         unsigned_p.  Handle signed and unsigned overflow correction as
11828         required.
11829         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
11830         prototype.
11831         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
11832         for operand 2.
11833         (add<mode>3_compareV_imm): Make this callable for expanding.
11834         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
11835         aarch64_plus_operand for operand 2.
11836         (subv<GPI:mode>_insn): New insn pattern.
11837         (subv<GPI:mode>_imm): Likewise.
11838         (negv<GPI:mode>3): New expand pattern.
11839         (negv<GPI:mode>_insn): New insn pattern.
11840         (negv<GPI:mode>_cmp_only): Likewise.
11841         (cmpv<GPI:mode>_insn): Likewise.
11842         (subvti4): Use register_operand for operand 1.  Update call to
11843         aarch64_expand_subvti.
11844         (usubvti4): Likewise.
11845         (negvti3): New expand pattern.
11846         (negdi_carryout): New insn pattern.
11847         (negvdi_carryinV): New insn pattern.
11848         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
11849         version the named version.
11850         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
11851         operands.
11852         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
11853         patterns.
11854         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
11855         patterns.
11856         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
11857         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
11858         (sub<mode>3_carryinCV): Delete.
11859         (sub<GPI:mode>3_carryinV): New expand pattern.
11860         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
11861
11862 2019-01-07  Richard Biener  <rguenther@suse.de>
11863
11864         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
11865         of tree_operand_hash.
11866
11867 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11868
11869         PR tree-optimization/88598
11870         * tree.h (single_nonzero_element): Declare.
11871         * tree.c (single_nonzero_element): New function.
11872         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
11873         if I is the only nonzero element of CST.
11874
11875 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11876
11877         PR tree-optimization/88598
11878         * tree.h (initializer_each_zero_or_onep): Declare.
11879         * tree.c (initializer_each_zero_or_onep): New function.
11880         (signed_or_unsigned_type_for): Handle float types too.
11881         (unsigned_type_for, signed_type_for): Update comments accordingly.
11882         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
11883         x & { 0 or -1, 0 or -1, ... }.
11884
11885 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
11886
11887         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
11888         with x86_64-pc-linux-gnu.
11889
11890 2019-01-07  Tom de Vries  <tdevries@suse.de>
11891
11892         PR target/85486
11893         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11894         function.
11895         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11896         routines.
11897
11898 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11899
11900         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11901         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11902         TARGET_AVX512F as condition.
11903
11904         PR debug/88723
11905         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11906         const_not_ok_for_debug_p target hook.
11907         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11908         on UNSPEC and subexpressions thereof if all subexpressions of the
11909         UNSPEC are CONSTANT_P.
11910
11911         PR tree-optimization/88676
11912         * tree-ssa-phiopt.c (two_value_replacement): New function.
11913         (tree_ssa_phiopt_worker): Call it.
11914
11915         PR sanitizer/88619
11916         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11917         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11918
11919         PR c++/85052
11920         * tree-vect-generic.c: Include insn-config.h and recog.h.
11921         (expand_vector_piecewise): Add defaulted ret_type argument,
11922         if non-NULL, use that in preference to type for the result type.
11923         (expand_vector_parallel): Formatting fix.
11924         (do_vec_conversion, do_vec_narrowing_conversion,
11925         expand_vector_conversion): New functions.
11926         (expand_vector_operations_1): Call expand_vector_conversion
11927         for VEC_CONVERT ifn calls.
11928         * internal-fn.def (VEC_CONVERT): New internal function.
11929         * internal-fn.c (expand_VEC_CONVERT): New function.
11930         * fold-const-call.c (fold_const_vec_convert): New function.
11931         (fold_const_call): Use it for CFN_VEC_CONVERT.
11932         * doc/extend.texi (__builtin_convertvector): Document.
11933
11934 2019-01-07  Tom de Vries  <tdevries@suse.de>
11935
11936         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11937         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11938         vector_red_partition, vector_red_sym): New global variables.
11939         (nvptx_option_override): Initialize vector_red_sym.
11940         (nvptx_declare_function_name): Restore red_partition register.
11941         (nvptx_file_end): Emit code to declare the vector reduction variables.
11942         (nvptx_output_red_partition): New function.
11943         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11944         large vector reductions.
11945         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11946         (nvptx_init_builtins): Add VECTOR_ADDR.
11947         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11948         Handle nvptx_expand_shared_addr.
11949         (nvptx_get_shared_red_addr): Add vector argument and handle large
11950         vectors.
11951         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11952         large vectors.
11953         (nvptx_goacc_reduction_init): Likewise.
11954         (nvptx_goacc_reduction_fini): Likewise.
11955         (nvptx_goacc_reduction_teardown): Likewise.
11956         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11957         init,fini,teardown}.
11958         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11959         (nvptx_set_current_function): Init vector_red_partition.
11960         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11961         (nvptx_red_partition): New insn.
11962         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11963
11964 2019-01-07  Tom de Vries  <tdevries@suse.de>
11965
11966         PR target/85381
11967         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11968         empty loops.
11969
11970 2019-01-07  Tom de Vries  <tdevries@suse.de>
11971
11972         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11973         (nvptx_option_override): Init oacc_bcast_partition.
11974         (nvptx_init_oacc_workers): New function.
11975         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11976         (nvptx_needs_shared_bcast): New function.
11977         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11978         to propagate state.
11979         (nvptx_shared_propagate): Initialize vector bcast partition and
11980         synchronization state.
11981         (nvptx_single):  Generalize to enable vectors to use shared-memory
11982         to propagate state.
11983         (nvptx_process_pars): Likewise.
11984         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11985         * config/nvptx/nvptx.h (struct machine_function): Add
11986         bcast_partition and sync_bar members.
11987
11988 2019-01-07  Tom de Vries  <tdevries@suse.de>
11989
11990         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11991         (nvptx_apply_dim_limits): New function.
11992         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11993         PTX_WARP_SIZE.
11994
11995 2019-01-07  Tom de Vries  <tdevries@suse.de>
11996
11997         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11998         as late as possible.
11999
12000 2019-01-07  Tom de Vries  <tdevries@suse.de>
12001
12002         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
12003         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
12004         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
12005         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
12006         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
12007
12008 2019-01-07  Tom de Vries  <tdevries@suse.de>
12009
12010         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
12011
12012 2019-01-07  Tom de Vries  <tdevries@suse.de>
12013
12014         * omp-offload.c (oacc_get_min_dim): New function.
12015         * omp-offload.h (oacc_get_min_dim): Declare.
12016
12017 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
12018
12019         PR target/88521
12020         * config/i386/i386.c (function_value_ms_64): Return small sturct in
12021         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
12022
12023 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12024
12025         PR tree-opt/86020
12026         Revert:
12027         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
12028
12029         * ipa-inline.c (edge_badness): Use inlined_time instead of
12030         inline_summaries->get.
12031
12032 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12033
12034         * opts.c (enable_fdo_optimizations): Enable
12035         version-loops-for-strides, loop-interchange, unrol-and-jam
12036         and tree-loop-distribution.
12037         * invoke.texi: Document newly enabled options.
12038
12039 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12040
12041         * doc/invoke.texi (max-inline-insns-small): New parameters.
12042         * ipa-inline.c (want_early_inline_function_p): simplify.
12043         (want_inline_small_function_p): Fix pasto from previous patch;
12044         use max-inline-insns-small bound.
12045         * params.def (max-inline-insns-small): New param.
12046         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
12047         variables correctly.
12048
12049 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12050
12051         * doc/invoke.texi: Document max-inline-insns-size,
12052         uninlined-function-insns, uninlined-function-time,
12053         uninlined-thunk-insns and uninlined-thunk-time.
12054         * params.def: Add max-inline-insns-size,
12055         uninlined-function-insns, uninlined-function-time,
12056         uninlined-thunk-insns and uninlined-thunk-time.
12057         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
12058         new parameters.
12059         * ipa-inline.c (can_inline_edge_by_limits_p,
12060         want_inline_small_function_p): Use new parameters.
12061
12062 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
12063
12064         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
12065
12066 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
12067
12068         PR middle-end/82564
12069         PR target/88620
12070         * expr.c (expand_assignment): For calls returning VLA structures
12071         if to_rtx is not a MEM, force it into a stack temporary.
12072
12073         PR debug/88635
12074         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
12075         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
12076         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
12077         subexpressions of both operands.
12078         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
12079         subrtxes are CONSTANT_P.
12080         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
12081         2018-11-09 changes.
12082
12083 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
12084
12085         * params.def (hot-bb-count-ws-permille): Set to 990.
12086
12087 2019-01-04  Martin Sebor  <msebor@redhat.com>
12088
12089         PR c/88546
12090         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
12091         leaf.
12092
12093 2019-01-04  Martin Sebor  <msebor@redhat.com>
12094
12095         PR c/88363
12096         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
12097
12098 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
12099
12100         * gdbinit.in: Turn off pagination for the skip commands, restore
12101         it to previous state afterwards.
12102
12103 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
12104
12105         PR target/88594
12106         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
12107         of GET_MODE (opN) as modes of the libcall arguments.
12108
12109 2019-01-04  Jan Beulich  <jbeulich@suse.com>
12110
12111         * config/i386/sse.md
12112         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
12113         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
12114         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
12115         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
12116         avx512f_vmcmp<mode>3<round_saeonly_name>,
12117         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
12118         avx512f_maskcmp<mode>3,
12119         <avx512>_cvt<ssemodesuffix>2mask<mode>,
12120         <avx512>_cvt<ssemodesuffix>2mask<mode>,
12121         *<avx512>_cvtmask2<ssemodesuffix><mode>,
12122         *<avx512>_cvtmask2<ssemodesuffix><mode>,
12123         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
12124         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
12125         <avx512>_gt<mode>3<mask_scalar_merge_name>,
12126         <avx512>_gt<mode>3<mask_scalar_merge_name>,
12127         <avx512>_testm<mode>3<mask_scalar_merge_name>,
12128         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
12129         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
12130         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
12131         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
12132         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
12133         avx512cd_maskb_vec_dup<mode>,
12134         avx512cd_maskw_vec_dup<mode>,
12135         avx512dq_fpclass<mode><mask_scalar_merge_name>,
12136         avx512dq_vmfpclass<mode>,
12137         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
12138         instead of =Yk.
12139
12140 2019-01-03  Martin Sebor  <msebor@redhat.com>
12141
12142         PR tree-optimization/88659
12143         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
12144
12145 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
12146
12147         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
12148         unaligned vsx and avoid lxvd2x/stxvd2x.
12149         (gen_lvx_v4si_move): New function.
12150
12151 2019-01-03  Tom de Vries  <tdevries@suse.de>
12152
12153         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
12154         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
12155         function.
12156         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
12157
12158 2019-01-03  Tom de Vries  <tdevries@suse.de>
12159
12160         * config/nvptx/nvptx.c (struct offload_attrs): New.
12161         (populate_offload_attrs): New function.  Factor mask extraction out of
12162         nvptx_reorg.  Add extraction of dimensions.
12163         (nvptx_reorg): Use populate_offload_attrs.
12164
12165 2019-01-03  Tom de Vries  <tdevries@suse.de>
12166
12167         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
12168         cases for oacc_min_dims_p and routine_p.  Add asserts for
12169         oacc_default_dims_p and offload_region_p.
12170
12171 2019-01-03  Tom de Vries  <tdevries@suse.de>
12172
12173         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
12174         factored out of ...
12175         (nvptx_goacc_validate_dims): ... here.
12176
12177 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
12178
12179         PR tree-optimization/85574
12180         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
12181         structure.
12182         (struct ssa_equip_hash_traits): Declare.
12183         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
12184
12185 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
12186
12187         PR debug/88644
12188         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
12189         change it to qualified_type.
12190
12191 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
12192
12193         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
12194         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
12195
12196 2019-01-02  Martin Sebor  <msebor@redhat.com>
12197             Jeff Law  <law@redhat.com>
12198
12199         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
12200         (get_range_strlen_tree): Update appropriately.
12201         (get_range_strlen)
12202         * gimple-fold.h (get_range_strlen): Drop unused last argument.
12203
12204         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
12205         rather than set_range_info.
12206         * tree-ssa-strlen.c (set_strlen_range): Extracted from
12207         maybe_set_strlen_range.  Handle potentially boundary crossing
12208         cases more conservatively.
12209         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
12210         Call set_strlen_range.
12211         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
12212
12213         PR middle-end/88663
12214         * gimple-fold.c (get_range_strlen): Update prototype to no longer
12215         need the flexp argument.
12216         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
12217         from calls to get_range_strlen.  Update comments.  Just update
12218         VAL for an unterminated const char array and let the reset of the
12219         code handle it normally.  No longer try to set *flexp.  Adjust
12220         return value.
12221         (get_range_strlen): Update for the new get_range_strlen API.
12222         (get_maxval_strlen): Similarly.
12223         (gimple_fold_builtin_strlen): Handle update meaning of return value
12224         from get_range_strlen.
12225         * gimple-ssa-sprintf.c (get_string_length): Update for the new
12226         get_range_strlen API.
12227
12228 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
12229
12230         PR lto/88130
12231         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
12232         false at WPA time when body was removed.
12233
12234 2019-01-02  Martin Liska  <mliska@suse.cz>
12235
12236         PR tree-optimization/88650
12237         * predict.c (set_even_probabilities): Calculate probability
12238         remainer only when really used.
12239
12240 2019-01-02  Richard Biener  <rguenther@suse.de>
12241
12242         PR middle-end/88651
12243         * tree-data-ref.c (analyze_subscript_affine_affine): Use
12244         widest_ints when mangling max_stmt_execution results.
12245
12246 2019-01-02  Richard Biener  <rguenther@suse.de>
12247
12248         PR tree-optimization/88621
12249         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
12250         bitfields when canoncalizing.
12251
12252 2019-01-02  Richard Biener  <rguenther@suse.de>
12253
12254         PR target/87545
12255         * config/i386/x86-tune-costs.h (intel_cost): Adjust
12256         cost of cheap SSE instruction.
12257
12258 2019-01-02  Richard Biener  <rguenther@suse.de>
12259
12260         PR ipa/85574
12261         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
12262         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
12263         function.
12264         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
12265         set after UIDs before splitting them.
12266
12267 2019-01-01  Martin Sebor  <msebor@redhat.com>
12268             Jeff Law  <law@redhat.com>
12269
12270         * gimple-fold.c (get_range_strlen_tree): Record if the computed
12271         length is optimistic.  If it is, then arrange to compute the
12272         conservative length as well.
12273
12274         * gimple-fold.h (get_range_strlen): Update prototype.
12275         * builtins.c (check_access): Update call to get_range_strlen to use
12276         c_strlen_data pointer.   Change various variable accesses to instead
12277         pull data from the c_strlen_data structure.
12278         (check_strncat_sizes, expand_builtin_strncat): Likewise.
12279         * calls.c (maybe_warn_nonstring_arg): Likewise.
12280         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
12281         minimum length if maximum lengh is unknown.
12282         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
12283         that used c_strlen, it's no longer needed.  Restructure slightly.
12284         (format_string): Set unlikely range appropriately.
12285         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
12286         formatting issues.
12287         (get_range_strlen):  Accept c_strlen_data pointer for external
12288         call sites as well.  Pass through to call to internal get_range_strlen.
12289         Adjust minlen, maxlen and maxbound as needed.
12290         (get_maxval_strlen): Update comments.
12291         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
12292         to use c_strlen_data pointer.  Change variable accesses to instead
12293         use c_strlen_data data members.
12294
12295         * gimple-fold.c (get_range_strlen): Update prototype.
12296         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
12297         local variables.  Use pdata to return information to caller.
12298         Update calls to get_range_strlen.  Update pdata->maxbound.
12299         (get_range_strlen -- static version): Similarly.
12300         (get_range_strlen -- extern version): Update for internal
12301         get_range_strlen API change.  Convert to external data format.
12302         (get_maxval_strlen): Similarly.
12303
12304 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
12305
12306         * coverage.c (get_coverage_counts): Use current_function_decl.
12307         * profile.c (read_thunk_profile): New function.
12308         (branch_prob): Add THUNK parameter.
12309         * tree-profile.c (tree_profiling): Handle thunks.
12310         * value-prof.c (init_node_map): Handle thunks.
12311         * value-prof.h (branch_prob): Upate prototype.
12312         (read_thunk_profile): Declare.
12313
12314 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
12315
12316         Update copyright years.
12317
12318         * gcc.c (process_command): Update copyright notice dates.
12319         * gcov-dump.c (print_version): Ditto.
12320         * gcov.c (print_version): Ditto.
12321         * gcov-tool.c (print_version): Ditto.
12322         * gengtype.c (create_file): Ditto.
12323         * doc/cpp.texi: Bump @copying's copyright year.
12324         * doc/cppinternals.texi: Ditto.
12325         * doc/gcc.texi: Ditto.
12326         * doc/gccint.texi: Ditto.
12327         * doc/gcov.texi: Ditto.
12328         * doc/install.texi: Ditto.
12329         * doc/invoke.texi: Ditto.
12330 \f
12331 Copyright (C) 2019 Free Software Foundation, Inc.
12332
12333 Copying and distribution of this file, with or without modification,
12334 are permitted in any medium without royalty provided the copyright
12335 notice and this notice are preserved.