gcc/ChangeLog

   1 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
   4         wrap ei variable name in the declaration in ()s.
   5         (nvptx_single): Actually use mode_label variable.  Formatting fix.
   6
   7 2019-06-13  Richard Biener  <rguenther@suse.de>
   8
   9         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
  10         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
  11         also return the condition stmt.
  12         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
  13         loop we can version and version that, reusing the loop version
  14         created by if-conversion instead of versioning again.
  15
  16 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
  17
  18         * gimple-loop-versioning.cc (prune_loop_conditions): Use
  19         may_contain_p.
  20         * tree-vrp (value_range_base::may_contain_p): Call into
  21         value_inside_range.
  22         (value_inside_range): Make private inside value_range_base class.
  23         Take min/max from *this.
  24         (range_includes_p): Remove.
  25         * tree-vrp.h (value_range_base): Add value_inside_range.
  26         (range_includes_p): Remove.
  27         (range_includes_zero_p): Call may_contain_p.
  28         * vr-values.c (compare_range_with_value): Same.
  29
  30 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
  31
  32         * doc/extend.texi (ARC Function Attributes): Update info.
  33
  34 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
  35
  36         PR tree-optimization/89713
  37         * doc/invoke.texi (-ffinite-loops): Document new option.
  38         * common.opt (-ffinite-loops): New option.
  39         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
  40         IFN_GOACC_LOOP calls as necessary.
  41         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
  42         is finite.
  43         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
  44         IFN_GOACC_LOOP call is not used.
  45         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
  46
  47 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  48
  49         PR target/88838
  50         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
  51         compare_type is not with Pmode size, we will create an IV with
  52         Pmode size with truncated use (i.e. converted to the correct type).
  53         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
  54         (vect_iv_limit_for_full_masking): New. Factored out of
  55         vect_set_loop_condition_masked.
  56         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
  57         (vect_iv_limit_for_full_masking): Declare.
  58
  59 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  60
  61         PR target/88834
  62         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
  63         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
  64         (get_alias_ptr_type_for_ptr_address): Likewise.
  65         (add_iv_candidate_for_use): Add scaled index candidate if useful.
  66         * tree-ssa-address.c (preferred_mem_scale_factor): New.
  67         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
  68         allow_reg_index_p.
  69
  70 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  71
  72         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
  73
  74 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
  75
  76         * common/config/pru/pru-common.c: New file.
  77         * config.gcc: Add PRU target.
  78         * config/pru/alu-zext.md: New file.
  79         * config/pru/constraints.md: New file.
  80         * config/pru/predicates.md: New file.
  81         * config/pru/pru-opts.h: New file.
  82         * config/pru/pru-passes.c: New file.
  83         * config/pru/pru-pragma.c: New file.
  84         * config/pru/pru-protos.h: New file.
  85         * config/pru/pru.c: New file.
  86         * config/pru/pru.h: New file.
  87         * config/pru/pru.md: New file.
  88         * config/pru/pru.opt: New file.
  89         * config/pru/t-pru: New file.
  90         * doc/extend.texi: Document PRU pragmas.
  91         * doc/invoke.texi: Document PRU-specific options.
  92         * doc/md.texi: Document PRU asm constraints.
  93
  94 2019-06-12  Martin Sebor  <msebor@redhat.com>
  95
  96         PR middle-end/90676
  97         * tree-pretty-print.c (dump_mem_ref): New function.  Include
  98         MEM_REF type in output when different size than operand.
  99         (dump_generic_node): Move code to dump_mem_ref and call it.
 100
 101 2019-06-12  Martin Sebor  <msebor@redhat.com>
 102
 103         PR tree-optimization/90662
 104         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
 105         to arrays.
 106
 107 2019-06-12  Tom de Vries  <tdevries@suse.de>
 108
 109         PR tree-optimization/90009
 110         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 111
 112 2019-06-12  Martin Liska  <mliska@suse.cz>
 113
 114         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
 115         the created map.
 116         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
 117         * mem-stats.h (mem_alloc_description::mem_alloc_description):
 118         Do not sanitize created maps.
 119
 120 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
 121
 122         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
 123         value_range::singleton_p.
 124         * tree-vrp.c (value_range_constant_singleton): Remove.
 125         * tree-vrp.h (value_range_constant_singleton): Remove.
 126         * vr-values.c (vr_values::singleton): Use
 127         value_range::singleton_p.
 128
 129 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 130
 131         PR target/90811
 132         * cfgexpand.c (align_local_variable): Add really_expand argument,
 133         don't SET_DECL_ALIGN if it is false.
 134         (add_stack_var): Add really_expand argument, pass it through to
 135         align_local_variable.
 136         (expand_one_stack_var_1): Pass true as really_expand to
 137         align_local_variable.
 138         (expand_one_ssa_partition): Pass true as really_expand to
 139         add_stack_var.
 140         (expand_one_var): Pass really_expand through to add_stack_var.
 141
 142 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 143
 144         * config/arm/iterators.md (VABAL): New int iterator.
 145         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
 146         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
 147         values.
 148
 149 2019-06-12  Martin Liska  <mliska@suse.cz>
 150
 151         * value-prof.c (stream_out_histogram_value): Only first value
 152         can't be negative.
 153
 154 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 155
 156         PR c/90760
 157         * symtab.c (symtab_node::set_section): Allow being called on aliases
 158         as long as they aren't analyzed yet.
 159
 160 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 161
 162         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 163         to `mips_set_text_contents_type' to indicate whether a
 164         non-debug insn follows.
 165
 166 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 167
 168         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 169         enabling -mpcrel by default.
 170         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 171         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 172         that the test against -mcpu=future is done first.  Then test if
 173         -mprefixed-addr is on for -mpcrel.
 174         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 175
 176 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 177
 178         PR target/90811
 179         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 180         instead of and.u%d.
 181
 182 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 183
 184         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 185
 186 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 187
 188         PR c++/90449 - add -Winaccessible-base option.
 189         * doc/invoke.texi (Winaccessible-base): Document.
 190
 191 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 192
 193         PR tree-optimization/62041
 194         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 195
 196 2019-06-11  Jason Merrill  <jason@redhat.com>
 197
 198         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 199         * tree.c (get_tree_code_name): Likewise.
 200         * print-tree.c (print_node): Only briefly print a node with an
 201         invalid code.
 202
 203 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 204
 205         PR bootstrap/90819
 206         * trans-mem.c (tm_memopt_compute_available): Add assertion
 207         that blocks is not empty.  Formatting fix.
 208
 209 2019-06-11  Martin Liska  <mliska@suse.cz>
 210
 211         PR c++/87847
 212         * hash-table.h: Extend create_gcc, add one parameter
 213         that is passed into hash_table::hash_table.
 214
 215 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 216
 217         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 218         New prototype.
 219         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 220         Emit clobber also for non-sse operations.
 221         (ix86_split_fp_absneg_operator): New function.
 222         * config/i386/i386.md (SSEMODEF): New mode iterator.
 223         (ssevecmodef): New mode attribute.
 224         (<code>tf2): Use absneg code iterator.
 225         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 226         Add three-operand AVX alternatives.
 227         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 228         Use absneg code iterator and X87MODEF mode iterator.
 229         (absneg fp_reg non-sse splitter): Call absneg code iterator
 230         and X87MODEF mode iterator.
 231         (absneg general_reg non-sse splitter): Use absneg code iterator
 232         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 233         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 234         code iterator.  Add three-operand AVX alternative.
 235         (absneg sse_reg splitter): Use absneg code iterator
 236         and SSEMODEF mode iterator.  Handle AVX operands.
 237         (absneg fp_reg splitter): Use absneg code iterator
 238         and MODEF mode iterator.
 239         (absneg general_reg splitter): Merge splitters using MODEF mode
 240         iterator.  Use absneg code iterator.  Call
 241         ix86_split_fp_absneg_operator.
 242         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 243         Do not enable for non-sse modes before reload.
 244         (CSGNMODE): Remove.
 245         (CSGNVMODE): Ditto.
 246         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 247         ssevecmodef mode attribute instaed of CSGNVMODE.
 248         (copysign<mode>3_const): Ditto.
 249         (copysign<mode>3_var): Ditto.
 250         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 251         Use absneg code iterator.  Simplify code using std::swap.
 252         * config/i386/predicates.md (absneg_operator): Remove.
 253
 254 2019-06-10  Martin Sebor  <msebor@redhat.com>
 255
 256         * gimple-fold.c (get_range_strlen): Update comment that didn't
 257         make it into r267503 or related commits.
 258
 259 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 260
 261         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 262         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 263
 264 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 265
 266         * tree.def (OMP_SCAN): New tree code.
 267         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 268         OMP_CLAUSE_EXCLUSIVE.
 269         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 270         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 271         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 272         OMP_CLAUSE_{IN,EX}CLUSIVE.
 273         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 274         * tree-nested.c (convert_nonlocal_reference_stmt,
 275         convert_local_reference_stmt, convert_gimple_call): Handle
 276         GIMPLE_OMP_SCAN.
 277         * tree-pretty-print.c (dump_omp_clause): Handle
 278         OMP_CLAUSE_{IN,EX}CLUSIVE.
 279         (dump_generic_node): Handle OMP_SCAN.
 280         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 281         * gimple.h (gomp_scan): New type.
 282         (is_a_helper <gomp_scan *>::test,
 283         is_a_helper <const gomp_scan *>::test): New templates.
 284         (gimple_build_omp_scan): Declare.
 285         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 286         gimple_omp_scan_set_clauses): New inline functions.
 287         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 288         * gimple.c (gimple_build_omp_scan): New function.
 289         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 290         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 291         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 292         GIMPLE_OMP_TASKGROUP.
 293         (dump_gimple_omp_scan): New function.
 294         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 295         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 296         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 297         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 298         (is_gimple_stmt): Handle OMP_SCAN.
 299         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 300         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 301         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 302         mentioned in nested #pragma omp scan.  Handle
 303         OMP_CLAUSE_{IN,EX}CLUSIVE.
 304         (gimplify_expr): Handle OMP_SCAN.
 305         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 306         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 307         simd constructs.
 308         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 309         GIMPLE_OMP_SCAN.
 310
 311 2019-06-10  Martin Liska  <mliska@suse.cz>
 312
 313         * ipa-cp.c (ignore_edge_p): New function.
 314         (build_toporder_info): Use it.
 315         * ipa-inline.c (ignore_edge_p): New function.
 316         (inline_small_functions): Use it.
 317         * ipa-pure-const.c (ignore_edge_for_nothrow):
 318         Verify opt_for_fn for caller and callee.
 319         (ignore_edge_for_pure_const): Likewise.
 320         * ipa-reference.c (ignore_edge_p): Extend to check
 321         for opt_for_fn.
 322         * ipa-utils.c (searchc): Refactor.
 323         * ipa-utils.h: Fix coding style.
 324
 325 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 326
 327         * config/arc/arc.c (arc_rtx_costs): Update costs.
 328
 329 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 330
 331         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 332         (arc_split_ior): Likewise.
 333         (arc_check_mov_const): Likewise.
 334         (arc_split_mov_const): Likewise.
 335         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 336         (arc_rtx_costs): Replace check Crr with Cax constraint.
 337         (prepare_move_operands): Cleanup, remove unused code.
 338         (arc_split_ior): New function.
 339         (arc_check_ior_const): Likewise.
 340         (arc_split_mov_const): Likewise.
 341         (arc_check_mov_const): Likewise.
 342         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 343         in define_insn_and_split pattern.
 344         (iorsi3): Likewise.
 345         (mulsi3_v2): Add new matching variant.
 346         (andsi3_i): Cleanup pattern.
 347         (rotrsi3_cnt1): Update pattern.
 348         (rotrsi3_cnt8): New pattern.
 349         (ashlsi2_cnt8): Likewise.
 350         (ashlsi2_cnt16): Likewise.
 351         * config/arc/constraints.md (C0p): Update constraint.
 352         (Crr): Remove it.
 353         (C0x): New pattern.
 354         (Cax): New pattern.
 355
 356 2019-06-10  Martin Liska  <mliska@suse.cz>
 357
 358         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 359         Update coding style.
 360         (sem_item_optimizer::dump_cong_classes):
 361         Print how many items are in a non-singular class.  Improve
 362         coding style.
 363
 364 2019-06-10  Martin Liska  <mliska@suse.cz>
 365
 366         * value-prof.c (dump_histogram_value): Change dump format.
 367         (gimple_mod_subtract_transform): Remove legacy comment.
 368
 369 2019-06-10  Martin Liska  <mliska@suse.cz>
 370
 371         * value-prof.c (dump_histogram_value): Print histogram values
 372         only if present.
 373
 374 2019-06-10  Martin Liska  <mliska@suse.cz>
 375
 376         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 377         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 378         * ipa-profile.c (ipa_profile_generate_summary):
 379         Use get_most_common_single_value.
 380         * tree-profile.c (gimple_init_gcov_profiler):
 381         Instrument with __gcov_one_value_profiler_v2
 382         and __gcov_indirect_call_profiler_v4.
 383         * value-prof.c (dump_histogram_value):
 384         Print all values for HIST_TYPE_SINGLE_VALUE.
 385         (stream_out_histogram_value): Update assert for
 386         N values.
 387         (stream_in_histogram_value): Set number of
 388         counters for HIST_TYPE_SINGLE_VALUE.
 389         (get_most_common_single_value): New.
 390         (gimple_divmod_fixed_value_transform):
 391         Use get_most_common_single_value.
 392         (gimple_ic_transform): Likewise.
 393         (gimple_stringops_transform): Likewise.
 394         (gimple_find_values_to_profile): Set number
 395         of counters for HIST_TYPE_SINGLE_VALUE.
 396         * value-prof.h (get_most_common_single_value):
 397         New.
 398
 399 2019-06-10  Martin Liska  <mliska@suse.cz>
 400
 401         * hash-map.h: Pass default value to hash_table ctor.
 402         * hash-table.h: Add default value to call of a ctor.
 403
 404 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 405
 406         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 407         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 408
 409 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 410
 411         PR target/90751
 412         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 413         Call pa_output_function_label.
 414         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 415         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 416         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 417         to declaration.
 418         (pa_linux_output_function_prologue): Declare.
 419         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 420         (pa_output_function_label): New.
 421         (pa_output_function_prologue): Revise to use pa_output_function_label.
 422         (pa_linux_output_function_prologue): New.
 423         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 424
 425 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 426
 427         * tree-vrp.h (value_range_base::intersect): New.
 428         (value_range::intersect_helper): Move from here...
 429         (value_range_base::intersect_helper): ...to here.
 430         * tree-vrp.c (value_range::intersect_helper): Rename to...
 431         (value_range_base::intersect_helper): ...this, and rewrite to
 432         return a value instead of modifying THIS in place.
 433         Also, move equivalence handling...
 434         (value_range::intersect): ...here, while calling intersect_helper.
 435         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 436         calling intersect.
 437         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 438         Same.
 439         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 440
 441 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 442
 443         * Makefile.in (genprogerr): Add condmd.
 444         (genprog): Remove it here.
 445
 446 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 447
 448         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 449
 450 2019-06-07  Richard Biener  <rguenther@suse.de>
 451
 452         PR debug/90574
 453         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 454         that appear after user labels.
 455
 456 2019-06-07  Martin Liska  <mliska@suse.cz>
 457
 458         * cselib.c (cselib_init): Disable hash table
 459         sanitization.
 460         * hash-set.h: Pass new default argument to m_table.
 461         * hash-table.c: Add global variable with hash table
 462         sanitization limit.
 463         * hash-table.h (Allocator>::hash_table): Add new argument
 464         to ctor.
 465         (hashtab_chk_error): New.
 466         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 467         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 468         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 469
 470 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 471
 472         * common.opt (flto-odr-type-merging): Ignore.
 473         * invoke.texi (-flto-odr-type-merging): Remove.
 474         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 475         (can_be_vtable_hashed_p): Remove.
 476         (hash_odr_vtable): Remove.
 477         (odr_vtable_hasher::hash): Remove.
 478         (types_same_for_odr): Remove.
 479         (types_odr_comparable): Remove.
 480         (odr_vtable_hasher::equal): Remove.
 481         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 482         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 483         (get_odr_type): Do not use vtable hash.
 484         (dump_odr_type): Remove commented out code.
 485         (build_type_inheritance_graph): Do not allocate vtable hash.
 486         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 487         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 488         (odr_type_p): Likewise.
 489         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 490         test.
 491
 492 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 493
 494         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 495         immediately after same_types_for_tbaa_p returns -1 and continue
 496         looking for possible exact match; if matching types are arrays
 497         watch for partial overlaps.
 498         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 499         (indirect_refs_may_alias_p): Do type based disambiguation first;
 500         update comment.
 501
 502 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 503
 504         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 505
 506 2019-06-07  Martin Liska  <mliska@suse.cz>
 507
 508         * doc/invoke.texi: Remove param.
 509         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 510         Remove.
 511         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 512         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 513         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 514         * profile.c (instrument_values): Remove
 515         HIST_TYPE_INDIR_CALL_TOPN.
 516         * tree-profile.c (init_ic_make_global_vars):
 517         Always build __gcov_indirect_call only.
 518         (gimple_init_gcov_profiler): Remove usage
 519         of PARAM_INDIR_CALL_TOPN_PROFILE.
 520         (gimple_gen_ic_profiler): Likewise.
 521         * value-prof.c (dump_histogram_value): Likewise.
 522         (stream_in_histogram_value): Likewise.
 523         (gimple_indirect_call_to_profile): Likewise.
 524         (gimple_find_values_to_profile): Likewise.
 525         * value-prof.h (enum hist_type): Likewise.
 526
 527 2019-06-07  Martin Liska  <mliska@suse.cz>
 528
 529         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 530         function.
 531
 532 2019-06-07  Martin Liska  <mliska@suse.cz>
 533
 534         PR tree-optimization/78902
 535         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 536         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 537         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 538         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 539         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 540         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 541         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 542         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 543         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 544         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 545         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 546         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 547         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 548         New.
 549         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 550         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 551         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 552         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 553         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 554         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 555         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 556         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 557         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 558         warn_unused_result attribute.
 559         (BUILT_IN_STRDUP): Likewise.
 560         (BUILT_IN_STRNDUP): Likewise.
 561         (BUILT_IN_ALLOCA): Likewise.
 562         (BUILT_IN_CALLOC): Likewise.
 563         (BUILT_IN_MALLOC): Likewise.
 564         (BUILT_IN_REALLOC): Likewise.
 565
 566 2019-06-06  Jim Wilson  <jimw@sifive.com>
 567
 568         PR target/89955
 569         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 570         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 571         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 572
 573 2019-06-06  Martin Sebor  <msebor@redhat.com>
 574
 575         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 576         (handle_builtin_malloc): Remove trailing spaces.
 577         (handle_builtin_memset): Same.
 578         (handle_builtin_memcmp): Same.
 579         (compute_string_length): Same.
 580         (determine_min_objsize): Same.
 581         (handle_builtin_string_cmp): Same.
 582         (handle_char_store): Same.  Break up excessively long line.
 583
 584 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 585
 586         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 587         check.
 588
 589 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 590
 591         * tree-sra.c (struct access): New field grp_same_access_path.
 592         (dump_access): Dump it.
 593         (build_reconstructed_reference): New function.
 594         (build_ref_for_model): Use it if possible.
 595         (path_comparable_for_same_access): New function.
 596         (same_access_path_p): Likewise.
 597         (sort_and_splice_var_accesses): Set the new flag.
 598         (analyze_access_subtree): Likewise.
 599         (propagate_subaccesses_across_link): Propagate zero value of the new
 600         flag down the access tree.
 601
 602 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 603
 604         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 605         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 606         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 607         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 608         Add gfx906.
 609
 610 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 611
 612         PR tree-optimization/90332
 613         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 614         Handle VALS containing two vectors.
 615         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 616         to...
 617         (@aarch64_combinez<mode>): ... This.
 618         (*aarch64_combinez_be<mode>): Rename to...
 619         (@aarch64_combinez_be<mode>): ... This.
 620         (vec_init<mode><Vhalf>): New define_expand.
 621         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 622
 623 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 624
 625         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 626         library functions only when not optimizing for size.
 627         (ashlsi3): Likewise.
 628         (ashrhi3): Likewise.
 629         (ashrsi3): Likewise.
 630         (lshrhi3): Likewise.
 631         (lshrsi3): Likewise.
 632
 633 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 634
 635         PR rtl-optimization/88751
 636         * ira.c (ira): Use the number of the actually referenced registers
 637         when calculating the threshold.
 638
 639 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 640
 641         * configure: Regenerate.
 642
 643 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 644
 645         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 646         register if it is in memory, so the shift can be emulated with a rotate
 647         instruction.
 648         (ashrhi3): Likewise.
 649         (lshrhi3): Likewise.
 650
 651 2019-06-06  Martin Liska  <mliska@suse.cz>
 652
 653         PR tree-optimization/87954
 654         * match.pd: Simplify mult where both arguments are 0 or 1.
 655
 656 2019-06-06  Richard Biener  <rguenther@suse.de>
 657
 658         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 659         put equivalences on UNDEFINED ranges.
 660         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 661         Make sure to drop defs of stmts added during simplification
 662         to VARYING.
 663
 664 2019-06-06  Richard Biener  <rguenther@suse.de>
 665
 666         * tree-ssa-structalias.c: Include tree-cfg.h.
 667         (make_heapvar): Do not make heap vars artificial.
 668         (find_func_aliases_for_builtin_call): Handle stack allocation
 669         functions.
 670         (find_func_aliases): Delay processing of simple enough returns
 671         in non-IPA mode.
 672         (set_uids_in_ptset): Adjust.
 673         (find_what_var_points_to): Likewise.
 674         (solve_constraints): Do not dump points-to sets here.
 675         (compute_points_to_sets): Post-process return statements,
 676         amending the escaped solution.  Dump points-to sets afterwards.
 677         (ipa_pta_execute): Dump points-to sets.
 678
 679 2019-06-06  Martin Liska  <mliska@suse.cz>
 680
 681         PR web/87933
 682         * doc/install.texi: Fix HTML headers and
 683         titles for 'Installing GCC' pages.
 684
 685 2019-06-06  Martin Liska  <mliska@suse.cz>
 686
 687         * ipa-icf-gimple.h (dump_message_1): Remove.
 688         (dump_message): Likewise.
 689         (return_false_with_message_1): Print also file.
 690         (return_false_with_msg): Likewise.
 691         (return_with_result): Likewise.
 692         (return_with_debug): Likewise.
 693         * ipa-icf.c (sem_function::equals_private): Remove call
 694         to dump_message.
 695
 696 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 697
 698         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 699         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 700         memory operand for it.
 701         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 702
 703 2019-06-05  Martin Sebor  <msebor@redhat.com>
 704
 705         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 706         Adjust quoting and hyphenation.
 707         * convert.c (convert_to_real_1): Same.
 708         * gcc.c (driver_wrong_lang_callback): Same.
 709         (driver::handle_unrecognized_options): Same.
 710         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 711         * opts-common.c (cmdline_handle_error): Same.
 712         (read_cmdline_option): Same.
 713         * opts-global.c (complain_wrong_lang): Same.
 714         (print_ignored_options): Same.
 715         (handle_common_deferred_options): Same.
 716         * pretty-print.h: Same.
 717         * print-rtl.c (debug_bb_n_slim): Same.
 718         * sched-rgn.c (make_pass_sched_fusion): Same.
 719         * tree-cfg.c (verify_gimple_assign_unary): Same.
 720         (verify_gimple_label): Same.
 721         * tree-ssa-operands.c (verify_ssa_operands): Same.
 722         * varasm.c (do_assemble_alias): Same.
 723         (assemble_alias): Same.
 724
 725 2019-06-05  Richard Henderson  <rth@twiddle.net>
 726
 727         * config/alpha/alpha.c (direct_return): Move down after
 728         struct machine_function definition; use saved frame_size;
 729         return bool.
 730         (struct machine_function): Add sa_mask, sa_size, frame_size.
 731         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 732         (alpha_compute_frame_layout): ... new function.
 733         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 734         (alpha_initial_elimination_offset): Use saved sa_size.
 735         (alpha_vms_initial_elimination_offset): Likewise.
 736         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 737         (alpha_expand_prologue): Use saved frame data.  Merge integer
 738         and fp register save loops.
 739         (alpha_expand_epilogue): Likewise.
 740         (alpha_start_function): Use saved frame data.
 741         * config/alpha/alpha-protos.h (direct_return): Update.
 742         (alpha_sa_size): Remove.
 743
 744 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 745
 746         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 747         multiplication by a power-of-two value.
 748         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 749         and turn the modulo operation into a masking operation.
 750
 751 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 752
 753         PR debug/90733
 754         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 755         with VOIDmode inner operands.
 756
 757 2019-06-05  Richard Biener  <rguenther@suse.de>
 758
 759         PR middle-end/90726
 760         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 761         turn an expression graph into a tree.
 762
 763 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 764
 765         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 766         member.
 767         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 768         treat it like explicit monotonic schedule modifier.
 769         (expand_omp_for): Initialize has_lastprivate_conditional.
 770         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 771         schedule modifier.
 772
 773         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 774         references, lookup in in hash map MEM_REF operand instead of the
 775         MEM_REF itself.
 776         (lower_omp_1): When looking for lastprivate conditional assignments,
 777         handle MEM_REFs with REFERENCE_TYPE operands.
 778
 779         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 780         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 781         and references a VLA.  Handle references to non-VLAs if is_simd
 782         all privatization clauses like reductions.
 783         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 784         If omp_is_reference, use always omp simd arrays and set
 785         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 786         fails, emit reference initialization.
 787
 788 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 789
 790         PR target/89803
 791         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 792         _mm_mask_fpclass_sd_mask): New intrinsics.
 793         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 794         * config/i386/i386-builtin.def
 795         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 796         New builtins.
 797         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 798         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 799         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 800         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 801         case QI_FTYPE_V2SF_INT): Ditto.
 802         * config/i386/sse.md
 803         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 804         Extended to insnstructions with mask operands.
 805
 806 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 807
 808         * config/rs6000/constraints.md (define_register_constraint "wp"):
 809         Delete.
 810         (define_register_constraint "wq"): Delete.
 811         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 812         (rs6000_init_hard_regno_mode_ok): Adjust.
 813         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 814         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 815         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 816         (define_mode_attr VSa): Delete.
 817         (define_mode_attr VSisa): New.
 818         (rest of file): Adjust.
 819         * doc/md.texi (Machine Constraints): Adjust.
 820
 821 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 822
 823         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 824         (define_attr "enabled"): Handle those new isa values.
 825
 826 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 827
 828         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 829         (define_mode_attr VSr5): Delete.
 830         (define_mode_attr VStype_sqrt): Delete.
 831         (define_mode_iterator VSX_SPDP): Delete.
 832         (define_mode_attr VS_spdp_res): Delete.
 833         (define_mode_attr VS_spdp_insn): Delete.
 834         (define_mode_attr VS_spdp_type): Delete.
 835         (*vsx_sqrt<mode>2): Adjust.
 836         (vsx_<VS_spdp_insn>): Delete, split to...
 837         (vsx_xscvdpsp): ... this.  New.  And...
 838         (vsx_xvcvspdp): ... this.  New.  And...
 839         (vsx_xvcvdpsp): ... this.  New.
 840
 841 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 842
 843         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 844         and V2DF.
 845         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 846         (rest of file): Adjust.
 847
 848 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 849
 850         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 851         (vsx_extract_<mode>_var): Ditto.
 852
 853 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 854
 855         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 856         with just "wa".
 857
 858 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 859
 860         * config/rs6000/constraints.md (define_register_constraint "ww"):
 861         Delete.
 862         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 863         (rs6000_init_hard_regno_mode_ok): Adjust.
 864         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 865         RS6000_CONSTRAINT_ww.
 866         * config/rs6000/rs6000.md: Adjust.
 867         * config/rs6000/vsx.md: Adjust.
 868         * doc/md.texi (Machine Constraints): Adjust.
 869
 870 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 871
 872         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 873         (define_mode_attr sd): New.
 874         (define_mode_attr s): New.
 875         (define_mode_attr Ftrad): Delete.
 876         (define_mode_attr Fvsx): Delete.
 877         (define_mode_attr Fs): Delete.
 878         (rest of file): Use the new mode attributes.
 879         * config.rs6000/vsx.md: Use the new mode attributes.
 880
 881 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 882
 883         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 884         with just "wa".
 885
 886 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 887
 888         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 889         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 890         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 891
 892 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 893
 894         PR target/78263
 895         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 896         C++ with strict ANSI requirements.
 897
 898 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 899
 900         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 901         computations when step is 1.
 902
 903 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 904
 905         * config/rs6000/constraints.md (define_register_constraint "wf"):
 906         Delete.
 907         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 908         (rs6000_init_hard_regno_mode_ok): Adjust.
 909         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 910         RS6000_CONSTRAINT_wf.
 911         * config/rs6000/rs6000.md: Adjust.
 912         * config/rs6000/vsx.md: Adjust.
 913         * doc/md.texi (Machine Constraints): Adjust.
 914
 915 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 916
 917         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 918         Fix ILP32 value.
 919
 920 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 921
 922         * config/rs6000/constraints.md (define_register_constraint "wd"):
 923         Delete.
 924         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 925         (rs6000_init_hard_regno_mode_ok): Adjust.
 926         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 927         RS6000_CONSTRAINT_wd.
 928         * config/rs6000/rs6000.md: Adjust.
 929         * config/rs6000/vsx.md: Adjust.
 930         * doc/md.texi (Machine Constraints): Adjust.
 931
 932 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 933
 934         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 935         (rest of file): Adjust.
 936
 937 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 938
 939         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 940         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 941         (vsx_splat_<mode>_reg): Adjust.
 942
 943 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 944
 945         * config/rs6000/constraints.md (define_register_constraint "ws"):
 946         Delete.
 947         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 948         (rs6000_init_hard_regno_mode_ok): Adjust.
 949         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 950         RS6000_CONSTRAINT_ws.
 951         * config/rs6000/rs6000.md: Adjust.
 952         * config/rs6000/vsx.md: Adjust.
 953         * doc/md.texi (Machine Constraints): Adjust.
 954
 955 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 956
 957         * config/rs6000/constraints.md (define_register_constraint "wv"):
 958         Delete.
 959         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 960         (rs6000_init_hard_regno_mode_ok): Adjust.
 961         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 962         RS6000_CONSTRAINT_wv.
 963         * config/rs6000/rs6000.md: Adjust.
 964         * config/rs6000/vsx.md: Adjust.
 965         * doc/md.texi (Machine Constraints): Adjust.
 966
 967 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 968
 969         * config/rs6000/constraints.md (define_register_constraint "wi"):
 970         Delete.
 971         (define_register_constraint "wt"): Delete.
 972         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 973         (rs6000_init_hard_regno_mode_ok): Adjust.
 974         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 975         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
 976         * config/rs6000/rs6000.md: Adjust.
 977         * config/rs6000/vsx.md: Adjust.
 978         * doc/md.texi (Machine Constraints): Adjust.
 979
 980 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 981
 982         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
 983         const.
 984         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
 985         default_elf_asm_output_external.
 986
 987 2019-06-04  Martin Liska  <mliska@suse.cz>
 988
 989         * ipa-icf.c (INCLUDE_LIST): Remove.
 990         (sem_item_optimizer::execute): Remove call to init_wpa.
 991         * ipa-icf.h (init_wpa): Remove.
 992
 993 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
 994
 995         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
 996         conditional on combined for simd.
 997         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
 998         member.
 999         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
1000         constructs, don't remove lastprivate_conditional_map, but instead set
1001         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
1002         to parent construct temporaries.
1003         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
1004         like !ctx->lastprivate_conditional_map.
1005         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1006         use up->outer context instead of up.
1007         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1008         gimple_omp_for_combined_p.
1009         (expand_omp_for_static_nochunk): Likewise.
1010         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1011         probably moved over into expand_omp_for_generic rather than being copied
1012         there.
1013
1014 2019-06-04  Martin Liska  <mliska@suse.cz>
1015
1016         * value-prof.c (dump_histogram_value): Fix typo.
1017         (gimple_mod_subtract_transform): Likewise.
1018
1019 2019-06-04  Richard Biener  <rguenther@suse.de>
1020
1021         PR middle-end/90726
1022         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1023         (tree_contains_chrecs): Likewise.
1024         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1025         exponential behaivor from ...
1026         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1027         ... here.
1028         (expression_expensive_p): Avoid exponential behavior and compute
1029         expanded size, rejecting any expansion.
1030         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1031         (idx_contains_abnormal_ssa_name_p): Likewise.
1032         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1033         (contains_abnormal_ssa_name_p): Simplify and use
1034         walk_tree_without_duplicates.
1035
1036 2019-06-04  Richard Biener  <rguenther@suse.de>
1037
1038         PR tree-optimization/90738
1039         Revert
1040         2019-06-03  Richard Biener  <rguenther@suse.de>
1041
1042         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1043         full reference tree and record in ref->ref.
1044         (vn_reference_lookup_3): Pass in original ref to
1045         ao_ref_init_from_vn_reference.
1046         (vn_reference_lookup): Likewise.
1047         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1048         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1049         Handle non-decl bases in the original reference.
1050
1051 2019-06-04  Martin Liska  <mliska@suse.cz>
1052
1053         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1054         number of references.
1055         (sem_item_optimizer::do_congruence_step):
1056         (sem_item_optimizer::worklist_push): Dump how references
1057         a class has.
1058         (sem_item_optimizer::worklist_pop): Use heap.
1059         (sem_item_optimizer::process_cong_reduction): Likewise.
1060         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1061
1062 2019-06-04  Martin Liska  <mliska@suse.cz>
1063
1064         * ipa-icf.h (struct sem_usage_pair_hash): New.
1065         (sem_usage_pair_hash::hash): Likewise.
1066         (sem_usage_pair_hash::equal): Likewise.
1067         (struct sem_usage_hash): Likewise.
1068         * ipa-icf.c (sem_item::sem_item): Initialize
1069         referenced_by_count.
1070         (sem_item::add_reference): Register a reference
1071         in ref_map and not in target->usages.
1072         (sem_item::setup): Remove initialization of
1073         dead vectors.
1074         (sem_item::~sem_item): Remove usage of dead vectors.
1075         (sem_item::dump): Remove dump of references.
1076         (sem_item_optimizer::sem_item_optimizer): Initialize
1077         m_references.
1078         (sem_item_optimizer::read_section): Remove useless
1079         dump.
1080         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1081         (sem_item_optimizer::build_graph): Pass m_references
1082         to ::add_reference.
1083         (sem_item_optimizer::verify_classes): Remove usage of dead
1084         vectors.
1085         (sem_item_optimizer::traverse_congruence_split): Return true
1086         when a class is split.
1087         (sem_item_optimizer::do_congruence_step_for_index): Use
1088         hash_map for look up of (sem_item *, index). That brings
1089         significant speed up.
1090         (sem_item_optimizer::do_congruence_step): Return true
1091         when a split is done.
1092         (congruence_class::is_class_used): Use referenced_by_count.
1093
1094 2019-06-04  Alan Modra  <amodra@gmail.com>
1095
1096         PR target/90689
1097         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1098         error.
1099
1100 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1101
1102         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1103         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1104         (rs6000_secondary_reload_simple_move): Adjust.
1105         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1106         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1107         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1108         comment.
1109         (power6x): Adjust.
1110         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1111         (floatunssi<mode>2_lfiwzx): Adjust.
1112         (fix_trunc<mode>si2_stfiwx): Adjust.
1113         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1114         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1115         (mfpgpr): Mark as deprecated.
1116         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1117         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1118         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1119
1120 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1121
1122         * config/rs6000/constraints.md (define_register_constraint "wg"):
1123         Delete.
1124         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1125         RS6000_CONSTRAINT_wg.
1126         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1127         (rs6000_init_hard_regno_mode_ok): Adjust.
1128         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1129         Delete "wg" alternatives.
1130         * doc/md.texi (Machine Constraints): Adjust.
1131
1132 2019-06-03  Alan Modra  <amodra@gmail.com>
1133
1134         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1135         (get_uncond_jump_length): Assert length less than INT_MAX and
1136         non-negative.
1137
1138 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1139
1140         PR middle-end/64242
1141         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1142         block.
1143         (expand_builtin_nonlocal_goto): Likewise.
1144
1145 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1146
1147         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1148         (aarch64_asm_output_external): Declare.
1149         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1150         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1151         (aarch64_asm_output_alias): New.
1152         (aarch64_asm_output_external): New.
1153         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1154         (ASM_OUTPUT_EXTERNAL): Define.
1155
1156 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1157         * tree-vrp.h (value_range_base::nonzero_p): New.
1158         (value_range_base::set_nonnull): Rename to...
1159         (value_range_base::set_nonzero): ...this.
1160         (value_range_base::set_null): Rename to...
1161         (value_range_base::set_zero): ...this.
1162         (value_range::set_nonnull): Remove.
1163         (value_range::set_null): Remove.
1164         * tree-vrp.c (range_is_null): Remove.
1165         (range_is_nonnull): Remove.
1166         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1167         instead of range_is_*null.
1168         (extract_range_from_unary_expr): Same.
1169         (value_range_base::set_nonnull): Rename to...
1170         (value_range_base::set_nonzero): ...this.
1171         (value_range::set_nonnull): Remove.
1172         (value_range_base::set_null): Rename to...
1173         (value_range_base::set_zero): ...this.
1174         (value_range::set_null): Remove.
1175         (extract_range_from_binary_expr): Rename set_*null uses to
1176         set_*zero.
1177         (extract_range_from_unary_expr): Same.
1178         (union_helper): Same.
1179         * vr-values.c (get_value_range): Use set_*zero instead of
1180         set_*null.
1181         (vr_values::extract_range_from_binary_expr): Same.
1182         (vr_values::extract_range_basic): Same.
1183
1184 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1185
1186         PR driver/90684
1187         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1188
1189 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1190
1191         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1192         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1193         (aarch64_<su>abd<mode>_3): ... This.
1194         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1195
1196 2019-06-03  Richard Biener  <rguenther@suse.de>
1197
1198         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1199         full reference tree and record in ref->ref.
1200         (vn_reference_lookup_3): Pass in original ref to
1201         ao_ref_init_from_vn_reference.
1202         (vn_reference_lookup): Likewise.
1203         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1204         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1205         Handle non-decl bases in the original reference.
1206
1207 2019-06-03  Martin Liska  <mliska@suse.cz>
1208
1209         * doc/generic.texi: Remove Java Trees.
1210
1211 2019-06-03  Martin Liska  <mliska@suse.cz>
1212
1213         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1214         returns 0 when operands are equal.
1215
1216 2019-06-03  Richard Biener  <rguenther@suse.de>
1217
1218         PR tree-optimization/90716
1219         * tree-loop-distribution.c (destroy_loop): Process blocks in
1220         correct order.
1221
1222 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1223
1224         PR target/88837
1225         * vector-builder.h (vector_builder::count_dups): New method.
1226         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1227         Declare prototype.
1228         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1229         (vec_init<mode><Vel>): New pattern.
1230         * config/aarch64/aarch64.c (emit_insr): New function.
1231         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1232         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1233         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1234         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1235
1236 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1237
1238         PR tree-optimization/90681
1239         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1240         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1241         special case for SLP, but fail on non-groupped loads.
1242
1243 2019-06-03  Martin Liska  <mliska@suse.cz>
1244
1245         * cfg.c (debug): Use TDF_DETAILS for debug and
1246         print edge info only once.
1247
1248 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1249
1250         PR fortran/90539
1251         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1252
1253 2019-06-01  Martin Sebor  <msebor@redhat.com>
1254
1255         PR middle-end/90694
1256         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1257
1258 2019-05-31  Jan Hubicka  <jh@suse.cz>
1259
1260         * alias.c: Include ipa-utils.h.
1261         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1262         * ipa-devirt.c (prevailing_odr_type): New.
1263         * ipa-utils.h (previaling_odr_type): Declare.
1264
1265 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1266             Hongtao Liu  <hongtao.liu@intel.com>
1267
1268         PR target/89355
1269         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1270         NOTE_INSN_DELETED_LABEL check.
1271
1272 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1273             Robert Suchanek  <robert.suchanek@mips.com>
1274
1275         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1276         and 3rd operands of the fmadd/fmsub/maddv builtin.
1277
1278 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1279
1280         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1281         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1282         on OMP_SIMD if not nested inside of worksharing loop that also has
1283         lastprivate conditional clause for the same decl.
1284         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1285         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1286         on simd.
1287         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1288         on simd construct.
1289         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1290         on simd construct.
1291         (lower_lastprivate_clauses): Likewise.
1292         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1293         calling lower_rec_input_clauses.
1294         (lower_omp_for): Likewise.
1295         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1296         clause on simd construct.
1297         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1298         OMP_CLAUSE__CONDTEMP_ clause is present.
1299
1300         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1301         ivar and lvar.
1302
1303 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1304
1305         PR c/43673
1306         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1307         TEX_D32, TEX_D64 or TEX_D128.
1308
1309 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1310
1311         * match.pd (~(vec?cst1:cst2)): New transformation.
1312
1313 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1314
1315         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1316         ((size_t)(A /[ex] B) CMP C): New transformation.
1317
1318 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1319
1320         * doc/md.texi: Document define_insn_and_rewrite.
1321         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1322         * gensupport.c (queue_elem): Update comment.
1323         (replace_operands_with_dups): New function.
1324         (gen_rewrite_sequence): Likewise.
1325         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1326         * read-rtl.c (apply_subst_iterator): Likewise.
1327         (add_condition_to_rtx, named_rtx_p): Likewise.
1328         (rtx_reader::read_rtx_operand): Likewise.
1329         * config/aarch64/aarch64-sve.md
1330         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1331         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1332         define_insn_and_rewrite.
1333         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1334         Remove separate define_split.
1335
1336 2019-05-31  Jan Hubicka  <jh@suse.cz>
1337
1338         * tree-ssa-alias.c (type_has_components_p): New function.
1339         (aliasing_component_refs_p): Use it.
1340
1341 2019-05-31  Martin Liska  <mliska@suse.cz>
1342
1343         * gdbhooks.py: Add const_tree to TreePrinter.
1344
1345 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1346
1347         PR debug/86964
1348         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1349         * doc/invoke.texi (Debugging Options): Document new default of
1350         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1351
1352 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1353
1354         PR tree-optimization/90671
1355         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1356         template_block used to be empty on the first call, don't use
1357         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1358         seq with bb_seq and set it with set_bb_seq.
1359
1360 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1361
1362         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1363
1364 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1365             Michael Meissner  <meissner@linux.ibm.com>
1366
1367         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1368         (prefixed_mem_operand): Likewise.
1369         (non_prefixed_mem_operand): Likewise.
1370         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1371         prototype.
1372         * config/rs6000/rs6000.c (print_operand_address): Handle
1373         PC-relative addresses.
1374         (mode_supports_prefixed_address_p): New function.
1375         (rs6000_prefixed_address): New function.
1376         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1377         (SYMBOL_REF_PCREL_P): Likewise.
1378
1379 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1380
1381         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1382         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1383         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1384         is nested inside of parallel region, add _condtemp_ clause to both.
1385         * tree-nested.c (convert_nonlocal_omp_clauses,
1386         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1387         assertion failure.
1388         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1389         member.
1390         * omp-general.c (omp_extract_for_data): Compute it.
1391         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1392         (lower_rec_input_clauses): Likewise.
1393         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1394         clause is already present, just add one further one after it.
1395         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1396         (lower_send_shared_vars): Clear _condtemp_ vars.
1397         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1398         or section or taskgroup.
1399         * omp-expand.c (determine_parallel_type): Disallow combining only if
1400         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1401         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1402         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1403         expand_omp_for_static_chunk, expand_omp_for): Use
1404         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1405         determine if a special set of API routines are needed and if condtemp
1406         needs to be initialized, while always initialize cond_var if
1407         fd->lastprivate_conditional is non-zero.
1408
1409 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1410             Michael Meissner  <meissner@linux.ibm.com>
1411
1412         * config/rs6000/constraints.md (eI): New constraint.
1413         * config/rs6000/predicates.md (cint34_operand): New predicate.
1414         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1415         (SIGNED_34BIT_OFFSET_P): Likewise.
1416         * doc/md.texi (eI): Document constraint.
1417
1418 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1419
1420         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1421
1422 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1423             Michael Meissner  <meissner@linux.ibm.com>
1424
1425         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1426         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1427         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1428         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1429         (OTHER_FUTURE_MASKS): Likewise.
1430         (POWERPC_MASKS): Likewise.
1431         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1432         specified without -mprefixed-addr or -mcpu=future.  Error if
1433         -mprefixed-addr is specified without -mcpu=future.
1434         (rs6000_opt_masks): Add entry for prefixed-addr.
1435         * rs6000.opt (mprefixed-addr): New option.
1436
1437 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1438
1439         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1440         cfun->is_thunk check.
1441
1442 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1443
1444         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1445         to length.
1446
1447 2019-05-30  Martin Liska  <mliska@suse.cz>
1448
1449         * gdbinit.in: Fix 'ptc' command.  Add trt
1450         that prints TREE_TYPE($).
1451
1452 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1453             Alan Modra  <amodra@gmail.com>
1454
1455         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1456         calls here...
1457         (rs6000_indirect_call_template_1): ...and here.
1458         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1459         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1460         rs6000_pltseq_enum.
1461         (rs6000_decl_ok_for_sibcall): New function.
1462         (rs6000_function_ok_for_sibcall): Refactor.
1463         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1464         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1465         when pcrel.  Reorganize.
1466         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1467         * rs6000.h (rs6000_pltseq_enum): New enum.
1468         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1469         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1470         (*pltseq_plt16_ha): Likewise.
1471         (*pltseq_plt16_lo): Likewise.
1472         (*pltseq_mtctr): Likewise.
1473         (*pltseq_plt_pcrel): New insn.
1474         (*call_local_aix): Handle @notoc calls.
1475         (*call_value_local_aix): Likewise.
1476         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1477         (*call_value_nonlocal_aix): Likewise.
1478         (*call_indirect_pcrel): New insn.
1479         (*call_value_indirect_pcrel): Likewise.
1480
1481
1482 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1483
1484         * config/i386/sse.md (*save_multiple<mode>): Rename from
1485         save_multiple<mode>.
1486         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1487         (*restore_multiple_and_return<mode>): Rename from
1488         restore_multiple_and_return<mode>.
1489         (*restore_multiple_leave_return<mode>): Rename from
1490         restore_multiple_leave_return<mode>.
1491
1492 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1493
1494         * config.gcc (rx-*-linux*): New target.
1495         * config/rx/elf.opt: New file.
1496         * config/rx/linux.h: Likewise.
1497         * config/rx/t-linux: Likewise.
1498         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1499         make it zero.
1500         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1501         (ASM_APP_OFF): Likewise.
1502         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1503         moved elsewhere.
1504
1505 2019-05-29  Jan Hubicka  <jh@suse.cz>
1506
1507         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1508         variants are pointer equivalent.
1509
1510 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1511
1512         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1513         * config/aarch64/aarch64-sve2.md: New file.
1514         (<u>avg<mode>3_floor): New pattern.
1515         (<u>avg<mode>3_ceil): Likewise.
1516         (*<sur>h<addsub><mode>): Likewise.
1517         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1518         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1519
1520 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1521
1522         PR bootstrap/90543
1523         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1524         for var_opt_string printing.  In cl_optimization_print_diff, print
1525         (null) instead of invoking undefined behavior if one of the
1526         var_opt_string pointers is NULL and use && instead of first || in the
1527         guarding condition.  For var_target_other options, handle const char *
1528         target variables similarly to const char * optimize node variables.
1529
1530 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1531
1532         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1533         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1534         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1535         Add autib1716 and pacib1716 initialisation.
1536         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1537         for autib1716 and pacib1716.
1538         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1539         aarch64_post_cfi_startproc): Define.
1540         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1541         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1542         aarch64_handle_pac_ret_protection): Set default sign key to A.
1543         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1544         aarch64_expand_prologue): Add check for b-key.
1545         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1546         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1547         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1548         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1549         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1550         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1551         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1552         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1553         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1554         pauth_hint_num_a with pauth_hint_num.
1555         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1556         pauth_hint_num_a with pauth_hint_num.
1557         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1558         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1559         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1560         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1561         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1562         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1563         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1564         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1565         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1566         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1567         UNSPEC_AUTIA1716 respectively.
1568         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1569         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1570         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1571         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1572         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1573
1574 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1575
1576         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1577         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1578         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1579         explicit clause on combined parallel into implicit shared clause.
1580         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1581         and firstprivate if the decl has one too from combined parallel to
1582         the worksharing construct.
1583
1584 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1585             Michael Meissner  <meissner@linux.ibm.com>
1586
1587         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1588
1589 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1590
1591         * rtl.h (LABEL_REF_P): New #define.
1592
1593 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1594
1595         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1596
1597 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1598
1599         * internal-fn.c: Marked mask_load_direct as vectorizable.
1600         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1601         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1602         combined even if masks different with allow_slp_p param.
1603         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1604         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1605         dissolve SLP-only vectorizable groups when SLP has been discarded.
1606         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1607         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1608         masks.
1609         (vect_build_slp_tree_1): Fixed comment typo.
1610         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1611         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1612         loads for SLP only.
1613         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1614         vectorizable.
1615         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1616
1617 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1618
1619         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1620         Remove obsolete use_thunk reference.
1621         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1622         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1623         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1624         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1625         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1626         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1627         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1628         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1629         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1630
1631 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1632
1633         * tree.h (IDENTIFIER_ANON_P): New.
1634         (anon_aggrname_format, anon_aggname_p): Don't declare.
1635         (make_anon_name): Declare.
1636         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1637         (hash_tree): Likewise.
1638         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1639         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1640         (anon_cnt, make_anon_name): New.
1641
1642 2019-05-28  Martin Liska  <mliska@suse.cz>
1643
1644         PR other/90315
1645         * opts-global.c (decode_options): Print help for all
1646         help_option_arguments.
1647         * opts.c (print_help): Add new argument.
1648         (common_handle_option): Remember all values into
1649         help_option_arguments.
1650         * opts.h (print_help): Add new argument.
1651
1652 2019-05-28  Martin Liska  <mliska@suse.cz>
1653
1654         PR ipa/90555
1655         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1656         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1657         (func_checker::compare_bb): Call compare_loops.
1658
1659 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1660
1661         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1662         on sections construct.
1663         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1664         construct.
1665         (lower_omp_sections): Handle lastprivate conditional.
1666         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1667         lastprivate_conditional_map.
1668         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1669
1670         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1671         critical, taskgroup and section regions when looking for a region
1672         with non-NULL lastprivate_conditional_map.
1673
1674 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1675
1676         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1677         (*ix86_gen_sub3): Ditto.
1678         (*ix86_gen_sub3_carry): Ditto.
1679         (*ix86_gen_one_cmpl2): Ditto.
1680         (*ix86_gen_andsp): Ditto.
1681         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1682         (gen_and2_insn): New static function.
1683         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1684         Use gen_add3_insn instead of ix86_gen_add3.
1685         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1686         instead of ix86_gen_add3.
1687         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1688         Use gen_sub3_insn instead of ix86_gen_sub3.
1689         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1690         instead of ix86_gen_add3.
1691         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1692         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1693         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1694         * config/i386/i386-options.c (ix86_option_override_internal):
1695         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1696         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1697
1698 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1699
1700         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1701         and DW_OP_GNU_const_index opcodes.
1702
1703 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1704
1705         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1706
1707 2019-05-27  Richard Biener  <rguenther@suse.de>
1708
1709         PR tree-optimization/90637
1710         * tree-ssa-sink.c (statement_sink_location): Honor the
1711         computed sink location for single-uses.
1712
1713 2019-05-27  Richard Biener  <rguenther@suse.de>
1714
1715         PR middle-end/90610
1716         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1717         a bit-insert.
1718
1719 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1720
1721         * config/i386/i386.md (@sub<mode>3_carry): Rename
1722         from sub<mode>3_carry.
1723         (@leave_<mode>): New expander.
1724         (*leave): Rename from leave.
1725         (*leave_rex64): Rename from leave_rex64.
1726         (@monitorx_<mode>): Rename from monitorx_<mode>.
1727         (@clzero_<mode>): Rename from clzero_<mode>.
1728         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1729         from sse3_monitor_<mode>.
1730         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1731         (*ix86_gen_leave): Ditto.
1732         (*ix86_gen_monitor): Ditto.
1733         (*ix86_gen_monitorx): Ditto.
1734         (*ix86_gen_clzero): Ditto.
1735         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1736         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1737         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1738         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1739         Use gen_sse3_monitor instead of ix86_gen_monitor.
1740         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1741         instead of ix86_gen_monitorx.
1742         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1743         instead of ix86_gen_clzero.
1744         * config/i386/i386-options.c (ix86_option_override_internal):
1745         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1746         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1747
1748 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1749
1750         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1751         Rename from tls_global_dynamic_64_<mode>.
1752         (@tls_local_dynamic_base_64_<mode>): Rename from
1753         tls_local_dynamic_base_64_<mode>.
1754         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1755         Remove indirect function.
1756         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1757         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1758         instead of ix86_gen_tls_global_dynamic_64.
1759         Use gen_tls_local_dynamic_base_64 instead of
1760         ix86_gen_tls_local_dynamic_base_64.
1761         * config/i386/i386-options.c (ix86_option_override_internal):
1762         Do not initialize ix86_gen_tls_global_dynamic_64 and
1763         ix86_gen_tls_local_dynamic_base_64.
1764
1765 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1766
1767         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1768         Rename from pro_epilogue_adjust_stack_<mode>_add.
1769         (@pro_epilogue_adjust_stack_sub_<mode>)
1770         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1771         (@allocate_stack_worker_probe_<mode>):
1772         Rename from allocate_stack_worker_probe_<mode>.
1773         (allocate_stack): Use gen_allocate_stack_worker_probe.
1774         (probe_stack): Use gen_probe_stack_1.
1775         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1776         (@adjust_stack_and_probe_<mode>): Rename from
1777         adjust_stack_and_probe<mode>.
1778         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1779         (stack_protect_set): Use gen_stack_protect_set_1.
1780         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1781         (stack_protect_test): Use gen_stack_protect_test_1.
1782         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1783         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1784         Remove indirect function.
1785         (*ix86_gen_adjust_stack_and_probe): Ditto.
1786         (*ix86_gen_probe_stack_range): Ditto.
1787         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1788         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1789         (ix86_adjust_stack_and_probe_stack_clash): Use
1790         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1791         (ix86_adjust_stack_and_probe): Ditto.
1792         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1793         of ix86_gen_probe_stack_range.
1794         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1795         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1796         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1797         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1798         CODE_FOR_stack_protect_test_{si,di}.
1799         * config/i386/i386-options.c (ix86_option_override_internal):
1800         Do not initialize ix86_gen_allocate_stack_worker,
1801         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1802
1803 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1804
1805         * doc/invoke.texi (Link Options): Many editorial changes around
1806         -flinker-output.
1807
1808 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1809
1810         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1811         pre-Solaris 11 referene and most Studio compiler details.
1812
1813 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1814
1815         PR target/90530
1816         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1817         DImode to SImode in floating-point registers on 64-bit target.
1818         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1819         register_operand in xmpyu patterns.
1820
1821 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1822
1823         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1824         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1825         OMP_CLAUSE__REDUCTEMP_.
1826         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1827         OMP_CLAUSE__CONDTEMP_.
1828         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1829         * tree-pretty-print.c (dump_omp_clause): Likewise.
1830         * tree-nested.c (convert_nonlocal_omp_clauses,
1831         convert_local_omp_clauses): Likewise.
1832         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1833         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1834         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1835         on OMP_FOR.
1836         (gimplify_omp_for): Warn and disable conditional modifier from
1837         lastprivate on loop iterators.
1838         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1839         member.
1840         * omp-general.c (omp_extract_for_data): Initialize it.
1841         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1842         member.
1843         (delete_omp_context): Delete it.
1844         (lower_lastprivate_conditional_clauses): New function.
1845         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1846         handle lastprivate conditional clauses.
1847         (lower_reduction_clauses): Add CLIST argument, emit it into
1848         the critical section if any.
1849         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1850         lower_reduction_clauses callers.
1851         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1852         to lower_lastprivate_clauses.
1853         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1854         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1855         clist into a critical section if not emitted there already by
1856         lower_reduction_clauses.
1857         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1858         callers.
1859         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1860         conditional variables.
1861         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1862         clause is present.
1863         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1864         expand_omp_for_static_chunk): Handle lastprivate conditional.
1865         (expand_omp_for): Handle fd.lastprivate_conditional like
1866         fd.have_reductemp.
1867
1868 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1869
1870         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1871         kernel does not exit cleanly.
1872         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1873
1874 2019-05-24  Jason Merrill  <jason@redhat.com>
1875
1876         Revert:
1877         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1878
1879 2019-05-24  Richard Biener  <rguenther@suse.de>
1880
1881         PR testsuite/90607
1882         * tree-loop-distribution.c (struct partition): Add location
1883         member.
1884         (partition_alloc): Initialize all fields.
1885         (generate_memset_builtin): Use the location recorded in the
1886         partition for the generated call.
1887         (generate_memcpy_builtin): Likewise.
1888         (classify_partition): Record the location of a single store
1889         as location for the partition.
1890
1891 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1892
1893         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1894         for lo-part.
1895
1896 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1897
1898         PR target/90588
1899         * common/config/aarch64/aarch64-common.c
1900         (aarch64_rewrite_selected_cpu): Change local temporary variable
1901         type from unsigned long to uint64_t.
1902         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1903         aarch64_get_extension_string_for_isa_flags): Change declaration to
1904         match new definition by replacing unsigned long with uint64_t.
1905
1906 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1907
1908         PR target/90568
1909         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1910         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1911         Handle stack_protect_test_<mode> codegen similarly to corresponding
1912         sub instruction.
1913
1914 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1915
1916        * config/i386/darwin.h: Reject -mfentry*.
1917        * doc/sourcebuild.texi: Document mfentry target support.
1918
1919 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1920
1921         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1922         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1923         false for PC-relative functions.
1924         (rs6000_output_function_prologue): Change called function name to
1925         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1926         name,1" for PC-relative functions.
1927         (rs6000_elf_declare_function_name): Change called function name to
1928         rs6000_global_entry_point_prologue_needed_p.
1929
1930 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1931
1932         PR target/90552
1933         * config/i386/i386.c (gen_rtx_cost):
1934         Use ix86_tune_cost instead of ix86_cost.
1935
1936 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1937             Michael Meissner  <meissner@linux.ibm.com>
1938             Segher Boessenkool  <segher@kernel.crashing.org>
1939
1940         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1941         OPTION_MASK_PCREL.
1942         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1943         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1944         (rs6000_fndecl_pcrel_p): Likewise.
1945         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1946         error if -mpcrel is requested without -mcpu=future.
1947         (rs6000_opt_masks): Add entry for pcrel.
1948         (rs6000_fndecl_pcrel_p): New function.
1949         (rs6000_pcrel_p): Likewise.
1950         * config/rs6000/rs6000.opt (mpcrel): New option.
1951         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1952
1953 2019-05-23  Jan Hubicka  <jh@suse.cz>
1954             Martin Liska  <mliska@suse.cz>
1955
1956         PR tree-optimization/90576
1957         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1958         poly_int_tree_p.
1959         (aliasing_component_refs_p): Fix three way size compare conditional;
1960         give up earlier in case we can not decide on equivalence.
1961
1962 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1963             Michael Meissner  <meissner@linux.ibm.com>
1964             Segher Boessenkool  <segher@kernel.crashing.org>
1965
1966         * config.gcc: Add future cpu.
1967         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1968         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1969         #define.
1970         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
1971         (RS6000_CPU): New instantiation for future cpu.
1972         * config/rs6000/rs6000-opts.h (enum processor_type): Add
1973         PROCESSOR_FUTURE.
1974         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
1975         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
1976         * config/rs6000/rs6000-tables.opt: Regenerate.
1977         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
1978         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
1979         (rs6000_machine_from_flags): Handle future cpu.
1980         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
1981         PROCESSOR_POWER9 for now.
1982         (rs6000_adjust_cost): Likewise.
1983         (rs6000_issue_rate): Likewise.
1984         (rs6000_register_move_cost): Likewise.
1985         (rs6000_opt_masks): Add entry for future.
1986         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
1987         (MASK_FUTURE): New #define.
1988         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
1989         * config/rs6000/rs6000.opt (mfuture): New target option.
1990         * doc/invoke.texi (mcpu): Add future cpu.
1991
1992 2019-05-23  Martin Liska  <mliska@suse.cz>
1993
1994         PR c++/90587
1995         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
1996         operation points to a temporary (pointed via tree_to_wide_ref)
1997         that is out of scope after the &.
1998
1999 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
2000
2001         PR c++/90592
2002         * doc/extend.texi (Function Names): Add missing word.
2003
2004 2019-05-23  Richard Biener  <rguenther@suse.de>
2005
2006         PR tree-optimization/88440
2007         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2008         at -O[2s]+.
2009         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2010         generated call.
2011         (generate_memcpy_builtin): Likewise.
2012         (distribute_loop): Pass in whether to only distribute patterns.
2013         (prepare_perfect_loop_nest): Also allow size optimization.
2014         (pass_loop_distribution::execute): When optimizing a loop
2015         nest for size allow pattern replacement.
2016
2017 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2018
2019         PR target/90568
2020         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2021         of xor.
2022
2023 2019-05-23  Martin Liska  <mliska@suse.cz>
2024
2025         PR sanitizer/90570
2026         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2027         expression similarly to gimplify_decl_expr.
2028
2029 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2030
2031         * cse.c (cse_dump_path): s/dump_file/f.
2032
2033 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2034
2035         PR c++/90462
2036         * diagnostic-format-json.cc: Include "selftest.h".
2037         (json_from_expanded_location): Only add "file" key for non-NULL
2038         file strings.
2039         (json_from_location_range): Don't add "start" and "finish"
2040         children if they are UNKNOWN_LOCATION.
2041         (selftest::test_unknown_location): New selftest.
2042         (selftest::test_bad_endpoints): New selftest.
2043         (selftest::diagnostic_format_json_cc_tests): New function.
2044         * json.cc (json::object::get): New function.
2045         (selftest::test_object_get): New selftest.
2046         (selftest::json_cc_tests): Call it.
2047         * json.h (json::object::get): New decl.
2048         * selftest-run-tests.c (selftest::run_tests): Call
2049         selftest::diagnostic_format_json_cc_tests.
2050         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2051         decl.
2052
2053 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2054             Andrew Stubbs  <amd@codesourcery.com>
2055
2056         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2057         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2058         (kernel): Rename to...
2059         (main_kernel): ... this.
2060         (load_image): Load _init_array and _fini_array kernels.
2061         (run): Add argument for kernel to run.
2062         (main): Run init_array_kernel before main_kernel, and
2063         fini_array_kernel after.
2064         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2065         amdgpu_hsa_kernel attribute on functions.
2066         (gcn_disable_constructors): Delete.
2067         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2068         * config/gcn/crt0.c (size_t): Define.
2069         (_init_array, _fini_array): New.
2070         (__preinit_array_start, __preinit_array_end,
2071         __init_array_start, __init_array_end,
2072         __fini_array_start, __fini_array_end): Declare weak references.
2073
2074 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2075
2076         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2077
2078 2019-05-22  Jason Merrill  <jason@redhat.com>
2079
2080         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2081
2082 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2083
2084         PR target/88483
2085         * config/i386/i386-options.c (ix86_init_machine_status): Set
2086         stack_frame_required to true.
2087         * config/i386/i386.c (ix86_get_frame_size): New function.
2088         (ix86_frame_pointer_required): Replace get_frame_size with
2089         ix86_get_frame_size.
2090         (ix86_compute_frame_layout): Likewise.
2091         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2092         stack_frame_required.
2093         (ix86_finalize_stack_frame_flags): Always call
2094         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2095         ix86_get_frame_size.
2096         * config/i386/i386.h (machine_function): Add stack_frame_required.
2097
2098 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2099
2100         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2101
2102 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2103
2104         * common/config/aarch64/aarch64-common.c
2105         (struct aarch64_option_extension, struct processor_name_to_arch,
2106         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2107         aarch64_contains_opt,
2108         aarch64_get_extension_string_for_isa_flags): Change type of
2109         variables storing flags to uint64_t.
2110         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2111         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2112         * config/aarch64/aarch64.c (struct processor,
2113         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2114         aarch64_validate_march, aarch64_override_options,
2115         aarch64_option_print, aarch64_handle_attr_isa_flags,
2116         aarch64_declare_function_name, aarch64_start_file): Make flag
2117         variables uint64_t.
2118         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2119         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2120         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2121         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2122         * config/aarch64/driver-aarch64.c
2123         (struct aarch64_arch_extension, struct aarch64_core_data,
2124         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2125         flag variables uint64_t.
2126         * doc/invoke.texi: Add documentation for new arguments.
2127
2128 2019-05-22  Richard Biener  <rguenther@suse.de>
2129
2130         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2131         rewrite ...
2132         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2133
2134 2019-05-22  Martin Liska  <mliska@suse.cz>
2135
2136         PR lto/90500
2137         * doc/extend.texi: Document the change.
2138
2139 2019-05-22  Richard Biener  <rguenther@suse.de>
2140
2141         PR tree-optimization/90450
2142         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2143         (mem_ref_hasher::equal): Check it.
2144         (mem_ref_alloc): Initialize it.
2145         (gather_mem_refs_stmt): Set it.
2146
2147 2019-05-22  Richard Biener  <rguenther@suse.de>
2148
2149         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2150         Add ABS_EXPR.
2151         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2152         as ABSU_EXPR.
2153
2154 2019-05-22  Alan Modra  <amodra@gmail.com>
2155
2156         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2157         (ASM_CPU_SPEC): Conditionally add -many.
2158         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2159         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2160         (rs6000_file_start): ..extracted from here, and modified to
2161         test all ISA bits.
2162         (rs6000_output_function_prologue): Emit .machine as necessary.
2163         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2164         power mnemonics.
2165         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2166         added by check_vect_support_and_set_flags.
2167         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2168         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2169
2170 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2171
2172         PR middle-end/90553
2173         * ira-lives.c (process_bb_node_lives): Consider defs
2174         for a call insn to be die before the call, not after.
2175
2176         * function.c (assign_parm_setup_block): Raise alignment of
2177         stacked parameter only for STRICT_ALIGNMENT targets.
2178
2179 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2180
2181         * config/rs6000/constraints.md (define_register_constraint "wz"):
2182         Delete.
2183         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2184         RS6000_CONSTRAINT_wz.
2185         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2186         (rs6000_init_hard_regno_mode_ok): Adjust.
2187         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2188         * doc/md.texi (Machine Constraints): Adjust.
2189
2190 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2191
2192         * config/rs6000/constraints.md (define_register_constraint "wl"):
2193         Delete.
2194         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2195         RS6000_CONSTRAINT_wl.
2196         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2197         (rs6000_init_hard_regno_mode_ok): Adjust.
2198         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2199         * doc/md.texi (Machine Constraints): Adjust.
2200
2201 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2202
2203         * config/rs6000/constraints.md (define_register_constraint "wm"):
2204         Delete.
2205         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2206         RS6000_CONSTRAINT_wm.
2207         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2208         (rs6000_init_hard_regno_mode_ok): Adjust.
2209         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2210         * doc/md.texi (Machine Constraints): Adjust.
2211
2212 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2213
2214         * config/rs6000/constraints.md (define_register_constraint "wk"):
2215         Delete.
2216         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2217         RS6000_CONSTRAINT_wk.
2218         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2219         (rs6000_init_hard_regno_mode_ok): Adjust.
2220         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2221         * doc/md.texi (Machine Constraints): Adjust.
2222
2223 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2224
2225         * config/rs6000/constraints.md (define_register_constraint "wj"):
2226         Delete.
2227         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2228         RS6000_CONSTRAINT_wj.
2229         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2230         (rs6000_init_hard_regno_mode_ok): Adjust.
2231         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2232         (VS_64dm): Delete.
2233         * config/rs6000/vsx.md: Ditto.
2234         * doc/md.texi (Machine Constraints): Adjust.
2235
2236 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2237
2238         * config/rs6000/constraints.md (define_register_constraint "wh"):
2239         Delete.
2240         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2241         RS6000_CONSTRAINT_wh.
2242         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2243         (rs6000_init_hard_regno_mode_ok): Adjust.
2244         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2245         * doc/md.texi (Machine Constraints): Adjust.
2246
2247 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2248
2249         PR target/90547
2250         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2251         Avoid calling gen_lowpart with CONST operand.
2252
2253 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2254
2255         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2256         field template_last_to_copy.
2257         (ssa_create_duplicates): Set it, and use it.  Attempt to
2258         preserve more debug stmts.
2259
2260 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2261
2262         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2263         (signbit<mode>2): New expander
2264
2265 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2266
2267         PR bootstrap/87338
2268         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2269         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2270
2271 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2272
2273         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2274         %ebx and %ecx bafore calling cpuid with leaf 1 or
2275         non-constant leaf argument.
2276
2277 2019-05-21  Alan Modra  <amodra@gmail.com>
2278
2279         PR target/90545
2280         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2281         power9 direct move cost.
2282         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2283         Correct comments and rename functions to suit parameters.
2284
2285 2019-05-21  Richard Biener  <rguenther@suse.de>
2286
2287         PR middle-end/90510
2288         * fold-const.c (fold_read_from_vector): New function.
2289         * fold-const.h (fold_read_from_vector): Declare.
2290         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2291         single-element insert permutations.  Canonicalize selector
2292         further and fix issue with last commit.
2293
2294 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2295
2296         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2297         parameter with default value false to declaration.
2298         (split_edges_for_insertion): New inline function.  Wrapper for
2299         split_critical_edges with for_edge_insertion_p = true.
2300         * tree-cfg.c (split_critical_edges): Don't split non-critical
2301         edges if for_edge_insertion_p is false.  Fix whitespace.
2302         * tree-ssa-pre.c (pass_pre::execute): Call
2303         split_edges_for_insertion instead of split_critical_edges.
2304         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2305         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2306         (pass_data_sink_code): Update function name in the comment.
2307
2308 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2309
2310         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2311         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2312         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2313         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2314         positives.
2315
2316 2019-05-21  Martin Liska  <mliska@suse.cz>
2317
2318         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2319         an extra newline.
2320         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2321         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2322         vec_lvsr.
2323         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2324         Quote a C type.
2325         (rs6000_function_arg): Likewise.
2326         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2327         (rs6000_expand_ternop_builtin): Use interval syntax.
2328         (get_element_number): Likewise.
2329         (altivec_expand_builtin): Likewise.
2330         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2331
2332 Fix test-suite.
2333
2334 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2335
2336         PR c++/59813
2337         PR target/90418
2338         * function.h (struct function): Add calls_eh_return member.
2339         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2340         gimplifying __builtin_eh_return call.
2341         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2342         to cfun.
2343         (expand_call_inline): Or in src_cfun->calls_eh_return into
2344         dst_cfun->calls_eh_return.
2345         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2346         cfun->calls_eh_return.
2347         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2348         * lto-streamer-out.c (output_struct_function_base): Write
2349         calls_eh_return.
2350
2351 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2352
2353         PR rtl-optimization/43147
2354         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2355         IX86_BUILTIN_SHUFPD.
2356
2357 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2358
2359         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2360         (refs_may_alias_p_1): ... here; update stats.
2361         (refs_may_alias_p): Do not update stats here.
2362
2363 2019-05-20  Richard Biener  <rguenther@suse.de>
2364
2365         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2366         doesn't produce pointers.
2367         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2368         the first operand points to.
2369
2370 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2371
2372         * tree-ssa-alias.c (compare_sizes): New function.
2373         (sompare_type_sizes): New function
2374         (aliasing_component_refs_p): Use it.
2375         (indirect_ref_may_alias_decl_p): Likewise.
2376
2377 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2378
2379         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2380
2381 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2382
2383         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2384         (LIBLSAN_EARLY_SPEC): Likewise.
2385         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2386
2387 2019-05-20  Martin Liska  <mliska@suse.cz>
2388
2389         * config/i386/i386.c (ix86_libc_has_fast_function):
2390         Add ATTRIBUTE_UNUSED for the argument.
2391
2392 2019-05-20  Richard Biener  <rguenther@suse.de>
2393
2394         * gimple-match-head.c: Include vec-perm-indices.h.
2395         * generic-match-head.c: Likewise.
2396         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2397         is included.
2398         * fold-const.c (fold_vec_perm): Export.
2399         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2400         (match.pd): ...here.
2401
2402 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2403
2404         * cfgloop.h (struct loop): Add simdlen member.
2405         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2406         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2407         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2408         as new argument to autovectorize_vector_sizes target hook.  If
2409         loop->simdlen, pick up vector size where the vectorization factor
2410         is equal to loop->simd, and if there is none, fall back to the first
2411         successful one.
2412         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2413         caller.
2414         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2415         * omp-general.c (omp_max_vf): Likewise.
2416         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2417         * tree-vect-slp.c (vect_slp_bb): Likewise.
2418         * target.def (autovectorize_vector_sizes): Add ALL argument and
2419         document it.
2420         * doc/tm.texi: Adjust documentation.
2421         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2422         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2423         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2424         bool argument.
2425         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2426         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2427         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2428         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2429         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2430         preferred vector size is not 512-bit or 256-bit, just put those
2431         unpreferred ones last.
2432
2433 2019-05-20  Martin Liska  <mliska@suse.cz>
2434
2435         * targhooks.c (default_libc_has_fast_function): New function.
2436         * targhooks.h (default_libc_has_fast_function): Likewise.
2437
2438 2019-05-20  Martin Liska  <mliska@suse.cz>
2439
2440         PR middle-end/90263
2441         * builtins.c (expand_builtin_memory_copy_args): When having a
2442         target with fast mempcpy implementation do now use memcpy.
2443         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2444         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2445         * doc/tm.texi: Likewise.
2446         * doc/tm.texi.in: Likewise.
2447         * target.def:
2448         * expr.c (emit_block_move_hints): Add 2 new arguments.
2449         * expr.h (emit_block_move_hints): Bail out when libcall
2450         to memcpy would be used.
2451
2452 2019-05-20  Martin Liska  <mliska@suse.cz>
2453
2454         * profile-count.c: Add vertical spacing in order
2455         to separate functions.
2456         * profile-count.h: Likewise.
2457
2458 2019-05-20  Martin Liska  <mliska@suse.cz>
2459
2460         * profile-count.h: Do not use full qualified
2461         names if possible.
2462         * profile-count.c (profile_count::to_frequency): Likewise.
2463
2464 2019-05-20  Martin Liska  <mliska@suse.cz>
2465
2466         * profile-count.h (enum profile_quality): Use capital letters
2467         for enum value names.  Use the adjusted names.
2468         * profile-count.c: Use the adjusted names.
2469
2470 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2471
2472         * config/rs6000/constraints.md (define_register_constraint "wH"):
2473         Delete.
2474         (define_register_constraint "wI"): Delete.
2475         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2476         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2477         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2478         (rs6000_init_hard_regno_mode_ok): Adjust.
2479         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2480         resp. "d", or with "wa" as appropriate, all with "p8v".
2481         * config/rs6000/vsx.md: Ditto.
2482         * doc/md.texi (Machine Constraints): Adjust.
2483
2484 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2485
2486         * config/rs6000/constraints.md (define_register_constraint "wy"):
2487         Delete.
2488         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2489         RS6000_CONSTRAINT_wy.
2490         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2491         (rs6000_init_hard_regno_mode_ok): Adjust.
2492         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2493         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2494         (define_mode_attr Fisa): New.
2495         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2496         * doc/md.texi (Machine Constraints): Adjust.
2497
2498 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2499
2500         * config/rs6000/constraints.md (define_register_constraint "wu"):
2501         Delete.
2502         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2503         RS6000_CONSTRAINT_wu.
2504         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2505         (rs6000_init_hard_regno_mode_ok): Adjust.
2506         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2507         both with "p8v".
2508         (define_mode_attr Fa): Delete.
2509         * config/rs6000/vsx.md: Ditto.
2510         * doc/md.texi (Machine Constraints): Adjust.
2511
2512 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2513
2514         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2515         Delete.
2516         (define_register_constraint "wK"): Delete.
2517         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2518         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2519         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2520         (rs6000_init_hard_regno_mode_ok): Adjust.
2521         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2522         Replace "wK" constraint by "wH" with "p9v".
2523         * config/rs6000/vsx.md: Ditto.
2524         * doc/md.texi (Machine Constraints): Adjust.
2525
2526 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2527
2528         * config/rs6000/constraints.md (define_register_constraint "wb"):
2529         Delete.
2530         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2531         RS6000_CONSTRAINT_wb.
2532         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2533         (rs6000_init_hard_regno_mode_ok): Adjust.
2534         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2535         * config/rs6000/vsx.md: Ditto.
2536         * doc/md.texi (Machine Constraints): Adjust.
2537
2538 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2539
2540         * config/rs6000/constraints.md (define_register_constraint "wo"):
2541         Delete.
2542         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2543         RS6000_CONSTRAINT_wo.
2544         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2545         (rs6000_init_hard_regno_mode_ok): Adjust.
2546         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2547         * config/rs6000/altivec.md: Ditto.
2548         * doc/md.texi (Machine Constraints): Adjust.
2549
2550 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2551
2552         * config/darwin-c.c (darwin_register_objc_includes): Do not
2553         prepend the sysroot when building gnu-runtime header search
2554         paths.
2555
2556 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2557
2558         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2559         instead of direct output of the asm.
2560
2561 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2562
2563         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2564         argument to be type bool (was int before).
2565         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2566         at first use.  Use type bool for some variables.  Fix a theoretical
2567         eh_return bug for svr4.
2568
2569 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2570
2571         * config/rs6000/rs6000.md (isa): New attribute.
2572         (enabled): New attribute.
2573
2574 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2575
2576         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2577         assemble_start_function and assemble_end_function.
2578
2579 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2580
2581         PR middle-end/89433
2582         * omp-general.c (oacc_verify_routine_clauses): Change formal
2583         parameters.  Add checking if already marked with an OpenACC
2584         'routine' directive.  Adjust all users.
2585
2586         PR middle-end/89433
2587         * omp-general.c (oacc_build_routine_dims): Move some of its
2588         processing into...
2589         (oacc_verify_routine_clauses): ... this new function.
2590         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2591
2592 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2593
2594         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2595         formating of picbase labels to match other ports.
2596
2597 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2598
2599         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2600         in the generated code.
2601
2602 2019-05-16  Martin Sebor  <msebor@redhat.com>
2603
2604         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2605         identifiers, keywords, operators, and types in diagnostics.  Correct
2606         quoting, spelling, and sentence capitalization issues.
2607         (expand_builtin_atomic_is_lock_free): Same.
2608         (fold_builtin_next_arg): Same.
2609         * cfgexpand.c (expand_one_var): Same.
2610         (tree_conflicts_with_clobbers_p): Same.
2611         (expand_asm_stmt): Same.
2612         (verify_loop_structure): Same.
2613         * cgraphunit.c (process_function_and_variable_attributes): Same.
2614         * collect-utils.c (collect_execute): Same.
2615         * collect2.c (maybe_run_lto_and_relink): Same.
2616         (is_lto_object_file): Same.
2617         (scan_prog_file): Same.
2618         * convert.c (convert_to_real_1): Same.
2619         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2620         * except.c (verify_eh_tree): Same.
2621         * gcc.c (execute): Same.
2622         (eval_spec_function): Same.
2623         (run_attempt): Same.
2624         (driver::set_up_specs): Same.
2625         (compare_debug_auxbase_opt_spec_function): Same.
2626         * gcov-tool.c (unlink_gcda_file): Same.
2627         (do_merge): Same.
2628         (do_rewrite): Same.
2629         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2630         * gimplify.c (gimplify_asm_expr): Same.
2631         (gimplify_adjust_omp_clauses): Same.
2632         * hsa-gen.c (gen_hsa_addr_insns): Same.
2633         (gen_hsa_insns_for_load): Same.
2634         (gen_hsa_cmp_insn_from_gimple): Same.
2635         (gen_hsa_insns_for_operation_assignment): Same.
2636         (gen_get_level): Same.
2637         (gen_hsa_alloca): Same.
2638         (omp_simple_builtin::generate): Same.
2639         (gen_hsa_atomic_for_builtin): Same.
2640         (gen_hsa_insns_for_call): Same.
2641         * input.c (dump_location_info): Same.
2642         * ipa-devirt.c (compare_virtual_tables): Same.
2643         * ira.c (ira_setup_eliminable_regset): Same.
2644         * lra-assigns.c (lra_assign): Same.
2645         * lra-constraints.c (lra_constraints): Same.
2646         * lto-streamer-in.c (lto_input_mode_table): Same.
2647         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2648         (merge_and_complain): Same.
2649         (compile_offload_image): Same.
2650         (compile_images_for_offload_targets): Same.
2651         (debug_objcopy): Same.
2652         (run_gcc): Same.
2653         (main): Same.
2654         * opts.c (print_specific_help): Same.
2655         (parse_no_sanitize_attribute): Same.
2656         (print_help): Same.
2657         (handle_param): Same.
2658         * plugin.c (add_new_plugin): Same.
2659         (parse_plugin_arg_opt): Same.
2660         (try_init_one_plugin): Same.
2661         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2662         operators, and types in diagnostics.  Correct quoting and spelling
2663         issues.
2664         * read-rtl-function.c (parse_edge_flag_token): Same.
2665         (function_reader::parse_enum_value): Same.
2666         * reg-stack.c (check_asm_stack_operands): Same.
2667         * regcprop.c (validate_value_data): Same.
2668         * sched-rgn.c (make_pass_sched_fusion): Same.
2669         * stmt.c (check_unique_operand_names): Same.
2670         * targhooks.c (default_target_option_pragma_parse): Same.
2671         * tlink.c (recompile_files): Same.
2672         * toplev.c (process_options): Same.
2673         (do_compile): Same.
2674         * trans-mem.c (diagnose_tm_1): Same.
2675         (ipa_tm_scan_irr_block): Same.
2676         (ipa_tm_diagnose_transaction): Same.
2677         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2678         format a tree code name in a diagnostic.
2679         (verify_types_in_gimple_min_lval): Same.
2680         (verify_types_in_gimple_reference): Same.
2681         (verify_gimple_call): Same.
2682         (verify_gimple_assign_unary): Same.
2683         (verify_gimple_assign_binary): Same.
2684         (verify_gimple_assign_ternary): Same.
2685         (verify_gimple_assign_single): Same.
2686         (verify_gimple_switch): Same.
2687         (verify_gimple_label): Same.
2688         (verify_gimple_phi): Same.
2689         (verify_gimple_in_seq): Same.
2690         (verify_eh_throw_stmt_node): Same.
2691         (collect_subblocks): Same.
2692         (gimple_verify_flow_info): Same.
2693         (do_warn_unused_result): Same.
2694         * tree-inline.c (expand_call_inline): Same.
2695         * tree-into-ssa.c (update_ssa): Same.
2696         * tree.c (tree_int_cst_elt_check_failed): Same.
2697         (tree_vec_elt_check_failed): Same.
2698         (omp_clause_operand_check_failed): Same.
2699         (verify_type_variant): Same.
2700         (verify_type): Same.
2701         * value-prof.c (verify_histograms): Same.
2702         * varasm.c (assemble_start_function): Same.
2703
2704 2019-05-16  Martin Sebor  <msebor@redhat.com>
2705
2706         * config/i386/i386-expand.c (get_element_number): Quote keywords
2707         and other internal names in diagnostics.  Adjust other diagnostic
2708         formatting issues noted by -Wformat-diag.
2709         * config/i386/i386-features.c
2710         (ix86_mangle_function_version_assembler_name): Same.
2711         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2712         * config/i386/i386.c (ix86_function_type_abi): Same.
2713         (ix86_function_ms_hook_prologue): Same.
2714         (classify_argument): Same.
2715         (ix86_expand_prologue): Same.
2716         (ix86_md_asm_adjust): Same.
2717         (ix86_memmodel_check): Same.
2718
2719 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2720
2721         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2722         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2723         and fpxx modes.
2724
2725 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2726
2727         PR target/90497
2728         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2729         intrinsics without SSE/SSE2/SSSE3.
2730         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2731         check.
2732         (*mmx_uavgv8qi3): Likewise.
2733
2734 2019-05-17  Richard Biener  <rguenther@suse.de>
2735
2736         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2737         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2738
2739 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2740
2741         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2742         vec_sldw insn pattern.
2743
2744 2019-05-17  Richard Biener  <rguenther@suse.de>
2745
2746         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2747
2748 2019-05-17  Martin Liska  <mliska@suse.cz>
2749
2750         PR driver/90496
2751         * toplev.c (output_stack_usage): With LTO and sanitizer it
2752         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2753         has no file location.
2754
2755 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2756
2757         PR c++/90484
2758         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2759         sz0 is equal to sz1, instead return false in that case.
2760
2761         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2762         has non-constant expression, force sctx.lane and use two
2763         argument IFN_GOMP_SIMD_LANE instead of single argument.
2764         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2765         two argument IFN_GOMP_SIMD_LANE without lhs.
2766         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2767         member.
2768         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2769         Define.
2770         (LOOP_REQUIRES_VERSIONING): Or in
2771         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2772         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2773         simd_if_cond.
2774         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2775         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2776         from simd if clause if needed.
2777
2778 2019-05-16  Richard Biener  <rguenther@suse.de>
2779
2780         * tree-affine.c (expr_to_aff_combination): New function split
2781         out from...
2782         (tree_to_aff_combination): ... here.
2783         (aff_combination_expand): Avoid building a GENERIC tree.
2784
2785 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2786
2787         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2788         assemble_start_function and assemble_end_function calls.
2789         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2790         assemble_start_function and assemble_end_function.
2791         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2792         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2793         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2794         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2795         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2796         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2797         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2798         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2799         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2800         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2801         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2802         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2803         Likewise.
2804         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2805         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2806         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2807         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2808         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2809         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2810         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2811         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2812         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2813         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2814         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2815         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2816         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2817         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2818         Likewise.
2819         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2820         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2821         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2822
2823 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2824
2825         * tree-ssa-alias.c (alias_stats): Add
2826         aliasing_component_refs_p_may_alias and
2827         aliasing_component_refs_p_no_alias.
2828         (dump_alias_stats): Print aliasing_component_refs_p stats.
2829         (aliasing_component_refs_p): Update stats.
2830
2831 2019-05-16  Martin Liska  <mliska@suse.cz>
2832
2833         PR lto/90500
2834         * multiple_target.c (expand_target_clones): Do not allow
2835         target_clones being used with a symbol that is an alias.
2836
2837 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2838
2839         PR tree-optimization/90394
2840         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2841         positives rather than ICE for cases where (code2 == NE_EXPR
2842         && code1 == BIT_AND_EXPR).
2843
2844 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2845
2846         PR fortran/90329
2847         * tree-core.h (struct tree_decl_common): Document
2848         decl_nonshareable_flag for PARM_DECLs.
2849         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2850         * calls.c (expand_call): Don't try tail call if caller
2851         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2852         passed on the stack and callee needs to pass any arguments on the
2853         stack.
2854         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2855         else if instead of series of mutually exclusive ifs.  Handle
2856         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2857         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2858
2859         * lto-streamer.h (LTO_major_version): Bump to 9.
2860
2861 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2862
2863         PR tree-optimization/90106
2864         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2865         new parameter as new internal function call, also move it to new
2866         basic block.
2867         (use_internal_fn): Pass internal function call to
2868         shrink_wrap_one_built_in_call_with_conds.
2869
2870 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2871
2872         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2873         max_vf to 1.
2874         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2875         safelen_int and set loop->dont_vectorize.
2876
2877 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2878
2879         PR target/89021
2880         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2881         SSE/SSE2/SSSE3.
2882         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2883         Likewise.
2884         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2885         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2886         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2887         is defined.
2888
2889 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2890
2891         PR target/89021
2892         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2893         define_insn_and_split to support SSE emulation.
2894         (*vec_extractv2sf_0): Likewise.
2895         (*vec_extractv2sf_1): Likewise.
2896         (*vec_extractv2si_0): Likewise.
2897         (*vec_extractv2si_1): Likewise.
2898         (*vec_extractv2si_zext_mem): Likewise.
2899         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2900         (vec_extractv2sf_1 splitter): Likewise.
2901         (vec_extractv2sfsf): Likewise.
2902         (vec_setv2si): Likewise.
2903         (vec_extractv2si_1 splitter): Likewise.
2904         (vec_extractv2sisi): Likewise.
2905         (vec_setv4hi): Likewise.
2906         (vec_extractv4hihi): Likewise.
2907         (vec_setv8qi): Likewise.
2908         (vec_extractv8qiqi): Likewise.
2909         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2910         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2911         (vec_extractv2sisi): Likewise.
2912         (vec_extractv4hihi): Likewise.
2913         (vec_extractv8qiqi): Likewise.
2914         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2915         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2916         (vec_initv2sisi): Likewise.
2917         (vec_initv4hihi): Likewise.
2918         (vec_initv8qiqi): Likewise.
2919         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2920         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2921         (vec_setv4hi): Likewise.
2922         (vec_setv8qi): Likewise.
2923
2924 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2925
2926         PR target/89021
2927         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2928         TARGET_MMX_WITH_SSE.
2929         (MMXMODE:*mov<mode>_internal): Likewise.
2930         (MMXMODE:movmisalign<mode>): Likewise.
2931
2932 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2933
2934         PR target/89021
2935         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2936         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2937         (sse2_cvtpd2pi): Ditto.
2938         (sse2_cvttpd2pi): Ditto.
2939         (*vec_concatv2sf_sse4_1): Ditto.
2940         (*vec_concatv2sf_sse): Ditto.
2941         (*vec_concatv2si_sse4_1): Ditto.
2942         (*vec_concatv2si): Ditto.
2943         (*vec_concatv4si_0): Ditto.
2944         (*vec_concatv2di_0): Ditto.
2945
2946 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2947
2948         PR target/89021
2949         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2950
2951 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2952
2953         PR target/89021
2954         * config/i386/sse.md (ssse3_palignrdi): Changed to
2955         define_insn_and_split to support SSE emulation.
2956
2957 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2958
2959         PR target/89021
2960         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2961
2962 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2963
2964         PR target/89021
2965         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2966         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2967         SSE emulation.
2968
2969 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2970
2971         PR target/89021
2972         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
2973         or TARGET_MMX_WITH_SSE.
2974         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
2975
2976 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2977
2978         PR target/89021
2979         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
2980
2981 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2982
2983         PR target/89021
2984         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
2985         Changed to define_insn_and_split to support SSE emulation.
2986
2987 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2988
2989         PR target/89021
2990         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
2991         Changed to define_insn_and_split to support SSE emulation.
2992
2993 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2994
2995         PR target/89021
2996         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
2997         (*mmx_<emms>): This.
2998         (mmx_<emms>): New expander.
2999
3000 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3001
3002         PR target/89021
3003         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
3004         support.
3005         (*sse2_umulv1siv1di3): Add SSE2 emulation.
3006
3007 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3008
3009         PR target/89021
3010         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
3011
3012 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3013
3014         PR target/89021
3015         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3016
3017 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3018
3019         PR target/89021
3020         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3021         TARGET_MMX_WITH_SSE.
3022         (*mmx_uavgv4hi3): Add SSE emulation.
3023
3024 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3025
3026         PR target/89021
3027         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3028         and TARGET_MMX_WITH_SSE.
3029         (*mmx_uavgv8qi3): Add SSE emulation.
3030
3031 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3032
3033         PR target/89021
3034         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3035         maskmovdqu for __MMX_WITH_SSE__.
3036
3037 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3038
3039         PR target/89021
3040         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3041         TARGET_MMX and TARGET_MMX_WITH_SSE.
3042         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3043
3044 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3045
3046         PR target/89021
3047         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3048         define_insn_and_split to support SSE emulation.
3049
3050 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3051
3052         PR target/89021
3053         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3054         and TARGET_MMX_WITH_SSE.
3055         (mmx_<code>v8qi3): Likewise.
3056         (smaxmin:<code>v4hi3): New.
3057         (umaxmin:<code>v8qi3): Likewise.
3058         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3059         (umaxmin:*mmx_<code>v8qi3): Likewise.
3060
3061 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3062
3063         PR target/89021
3064         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3065         TARGET_MMX_WITH_SSE.
3066         (*mmx_pinsrw): Add SSE emulation.
3067
3068 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3069
3070         PR target/89021
3071         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3072
3073 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3074
3075         PR target/89021
3076         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3077         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3078         SSE emulation.
3079
3080 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3081
3082         PR target/89021
3083         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3084         (sse_cvttps2pi): Likewise.
3085
3086 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3087
3088         PR target/89021
3089         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3090         TARGET_MMX_WITH_SSE.
3091         (mmx_pshufw_1): Add SSE emulation.
3092         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3093         TARGET_MMX_WITH_SSE to support SSE emulation.
3094
3095 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3096
3097         PR target/89021
3098         * config/i386/constraints.md (Yw): New constraint.
3099         * config/i386/mmx.md (*vec_dupv2si): Changed to
3100         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3101         support SSE emulation.
3102
3103 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3104
3105         PR target/89021
3106         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3107         TARGET_MMX_WITH_SSE.
3108         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3109         support.
3110         (mmx_gt<mode>3): Likewise.
3111
3112 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3113
3114         PR target/89021
3115         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3116         TARGET_MMX_WITH_SSE.  Add SSE support.
3117
3118 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3119
3120         PR target/89021
3121         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3122         TARGET_MMX_WITH_SSE.
3123         (any_logic:<code><mode>3): New.
3124         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3125         Add SSE support.
3126
3127 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3128
3129         PR target/89021
3130         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3131         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3132         (mmx_<shift_insn><mode>3): Likewise.
3133         (ashr<mode>3): New.
3134         (<shift_insn><mode>3): Likewise.
3135
3136 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3137
3138         PR target/89021
3139         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3140         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3141
3142 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3143
3144         PR target/89021
3145         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3146         TARGET_MMX_WITH_SSE.
3147         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3148         SSE support.
3149
3150 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3151
3152         PR target/89021
3153         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3154         TARGET_MMX_WITH_SSE.
3155         (mulv4hi3): New.
3156         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3157         support.
3158
3159 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3160
3161         PR target/89021
3162         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3163         (plusminus:mmx_<plusminus_insn><mode>3): Check
3164         TARGET_MMX_WITH_SSE.
3165         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3166         (<plusminus_insn><mode>3): New.
3167         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3168         (*mmx_<plusminus_insn><mode>3): Likewise.
3169
3170 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3171
3172         PR target/89021
3173         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3174         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3175         prototype.
3176         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3177         define_insn_and_split to support SSE emulation.
3178         (mmx_punpcklbw): Likewise.
3179         (mmx_punpckhwd): Likewise.
3180         (mmx_punpcklwd): Likewise.
3181         (mmx_punpckhdq): Likewise.
3182         (mmx_punpckldq): Likewise.
3183
3184 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3185             Uros Bizjak  <ubizjak@gmail.com>
3186
3187         PR target/89021
3188         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3189         New function.
3190         (ix86_split_mmx_pack): Likewise.
3191         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3192         New prototype.
3193         (ix86_split_mmx_pack): Likewise.
3194         * config/i386/i386.md (mmx_isa): New.
3195         (enabled): Also check mmx_isa.
3196         * config/i386/mmx.md (any_s_truncate): New code iterator.
3197         (s_trunsuffix): New code attr.
3198         (mmx_packsswb): Removed.
3199         (mmx_packssdw): Likewise.
3200         (mmx_packuswb): Likewise.
3201         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3202         MMX packsswb/packuswb with SSE2.
3203         (mmx_packssdw): Likewise.
3204         * config/i386/predicates.md (register_mmxmem_operand): New.
3205
3206 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3207
3208         PR target/89021
3209         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3210         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3211         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3212         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3213         (ix86_vector_mode_supported_p): Likewise.
3214         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3215
3216 2019-05-15  Martin Liska  <mliska@suse.cz>
3217
3218         PR middle-end/90478
3219         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3220         Check for overflow.
3221
3222 2019-05-15  Richard Biener  <rguenther@suse.de>
3223
3224         * tree-into-ssa.c (pass_build_ssa::execute): Run
3225         update_address_taken before going into SSA.
3226
3227 2019-05-15  Richard Biener  <rguenther@suse.de>
3228
3229         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3230         as __BIT_FIELD_REF with type with -gimple.
3231
3232 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3233
3234         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3235         semantically equivalent branches (left over after prior refactorings).
3236
3237 2019-05-15  Richard Biener  <rguenther@suse.de>
3238
3239         PR tree-optimization/88828
3240         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3241         bogus check.
3242
3243 2019-05-14  Richard Biener  <rguenther@suse.de>
3244
3245         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3246         as __VIEW_CONVERT with -gimple.
3247
3248 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3249
3250         PR target/82920
3251         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3252         Darwin.
3253
3254 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3255
3256         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3257         define_split to become a define_insn_and_split.
3258
3259 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3260
3261         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3262         arguments.
3263         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3264         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3265         (sibcall_epilogue): Adjust.
3266         (epilogue): Adjust.
3267
3268 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3269
3270         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3271         to unsupported ones.
3272         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3273         * config.host: Likewise.
3274         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3275         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3276         __svr4__]: Remove "brand" fallback.
3277         [!KSTAT_DATA_STRING]: Remove.
3278         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3279         to *-*-solaris2*.
3280         (comdat_group): Likewise.
3281         (set_have_as_tls): Likewise.
3282         (gcc_cv_target_dl_iterate_phdr): Likewise.
3283         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3284         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3285         * configure: Regenerate.
3286         * doc/install.texi: Simplify Solaris target triplets.
3287         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3288         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3289         Remove Solaris 10 references.
3290         Remove obsolete Solaris bug reference.
3291         (Specific, sparc-sun-solaris2.10): Remove.
3292
3293 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3294
3295         * config/i386/i386.md (any_div): New code iterator.
3296         (paired_mod): New code attribute.
3297         (sgnprefix): Handle DIV and UDIV RTXes.
3298         (u): Ditto.
3299         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3300         and udivmod<mode>4 patterns using any_div code iterator.
3301         (divmod splitters): Macroize splitters using any_div code iterator.
3302         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3303         (*udivmodsi4_pow2_zext_2): Ditto.
3304         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3305         and *udivmod<mode>4_noext patterns using any_div code iterator.
3306         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3307         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3308         patterns using any_div code iterator.
3309         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3310         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3311         patterns using any_div code iterator.
3312         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3313         udivmodhiqi3 patterns using any_extend code iterator.
3314
3315 2019-05-14  Richard Biener  <rguenther@suse.de>
3316             H.J. Lu  <hongjiu.lu@intel.com>
3317
3318         PR tree-optimization/88828
3319         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3320         permuting in a single non-constant element not extracted
3321         from a vector.
3322
3323 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3324
3325         * internal-fn.def (SIGNBIT): New.
3326         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3327         defined.
3328         (signbitv4sf2): Likewise.
3329
3330 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3331
3332         PR target/90357
3333         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3334         next insn when the SRC reg is dead.
3335
3336 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3337
3338         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3339         (alloc_cand_and_find_basis): Ditto.
3340         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3341         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3342         (create_add_imm_cand, slsr_process_cast): Ditto.
3343         (slsr_process_copy, replace_mult_candidate): Ditto.
3344         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3345         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3346         (pass_strength_reduction::execute): Init the first NULL element.
3347
3348 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3349
3350         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3351         (run_attempt): Reformat line break.
3352
3353 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3354
3355         PR target/90418
3356         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3357         data registers in sibcall epilogues.
3358         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3359
3360 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3361
3362         PR target/89221
3363         * configure.ac (--enable-frame-pointer):
3364         Disable by default for cygwin and mingw.
3365         * configure: Regenerate.
3366
3367 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3368
3369         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3370         piece of code.
3371         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3372         (gen_member_die): Move abstract origin check earlier.  Only VARs
3373         can be static_inline_p.  Simplify splicing control flow.
3374
3375 2019-05-13  Richard Biener  <rguenther@suse.de>
3376
3377         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3378         VIEW_CONVERT_EXPR.
3379         (vect_build_slp_tree_1): Likewise.
3380
3381 2019-05-13  Richard Biener  <rguenther@suse.de>
3382
3383         PR tree-optimization/90402
3384         * tree-if-conv.c (tree_if_conversion): Value number only
3385         the loop body by making the latch an exit of the region
3386         as well.
3387         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3388         processing PHIs.
3389         (do_rpo_vn): Deal with multiple edges into the entry block
3390         that are not backedges inside the region by skipping PHIs
3391         of the entry block.
3392
3393 2019-05-13  Richard Biener  <rguenther@suse.de>
3394
3395         PR tree-optimization/90316
3396         * tree-ssa-pre.c (insert_aux): Fold into ...
3397         (insert): ... this function.  Use a RPO walk to reduce the
3398         number of required iterations.
3399
3400 2019-05-13  Martin Liska  <mliska@suse.cz>
3401
3402         PR tree-optimization/90416
3403         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3404         string instead of passing the second part as va_arg argument.
3405
3406 2019-05-13  Martin Liska  <mliska@suse.cz>
3407
3408         PR gcov-profile/90380
3409         * gcov.c (handle_cycle): Do not support zero cycle count,
3410         it should not be possible.
3411         (path_contains_zero_cycle_arc): New function.
3412         (circuit): Ignore zero cycle arc counts.
3413
3414 2019-05-13  Martin Liska  <mliska@suse.cz>
3415
3416         PR gcov-profile/90380
3417         * gcov.c (enum loop_type): Remove the enum and
3418         the operator.
3419         (handle_cycle): Assert that we should not reach
3420         a negative count.
3421         (circuit): Use loop_found instead of a tri-state loop_type.
3422         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3423         happen.
3424
3425 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3426
3427         PR target/82920
3428         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3429         (ix86_output_indirect_branch_via_reg): Use output mechanism
3430         accounting for __USER_LABEL_PREFIX__.
3431         (ix86_output_indirect_branch_via_push): Likewise.
3432         (ix86_output_function_return): Likewise.
3433         (ix86_output_indirect_function_return): Likewise.
3434
3435 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3436
3437         * doc/md.texi: Document use of code attributes in rtx patterns.
3438         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3439         * read-rtl.c (find_code): Split out search loops into...
3440         (maybe_find_code): ...this new function.
3441         (check_code_iterator): Make the error message more informative.
3442         (check_code_attribute): New function.
3443         (rtx_reader::rtx_alloc_for_name): Likewise.
3444         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3445         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3446         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3447         <max_opp> directly as an rtx code instead of via a match_operator.
3448         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3449         (<su>abd<mode>_3): Update accordingly.
3450
3451 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3452
3453         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3454         is given, print the state of the EH "save world" computation for
3455         Darwin.
3456
3457 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3458
3459         PR c++/59813
3460         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3461         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3462
3463 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3464
3465         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3466         Use pinsrd for TARGET_SSE4_1.
3467         * config/i386/sse.md (movdi_to_sse): Ditto.
3468
3469 2019-05-10  Richard Biener  <rguenther@suse.de>
3470
3471         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3472         (do_rpo_vn): Initialize next_value_id.
3473
3474 2019-05-10  Martin Liska  <mliska@suse.cz>
3475
3476         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3477         Fix plural form.
3478
3479 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3480
3481         PR tree-optimization/90385
3482         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3483         arguments of the exit phis.
3484
3485         PR c++/90383
3486         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3487         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3488         id->do_not_fold.
3489         (copy_tree_body_r): Likewise.
3490         (copy_fn): Set id.do_not_fold to true.
3491
3492 2019-05-10  Martin Liska  <mliska@suse.cz>
3493
3494         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3495         Reapply changes from r269790.
3496
3497 2019-05-10  Martin Liska  <mliska@suse.cz>
3498
3499         PR middle-end/90340
3500         * doc/invoke.texi: New params.
3501         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3502         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3503         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3504         Use it.
3505         * tree-switch-conversion.h (struct jump_table_cluster):
3506         Likewise.
3507
3508 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3509
3510         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3511
3512 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3513
3514         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3515
3516 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3517
3518         PR rtl-optimization/88879
3519         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3520
3521 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3522
3523         PR target/90405
3524         * config/arm/arm.c (callee_saved_reg_p): Move before
3525         thumb_find_work_register.
3526         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3527         thumb_find_work_register.  Only call df_get_live_out once.
3528         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3529         (thumb_find_work_register): Use
3530         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3531         algorithms to locate a spare call clobbered reg.
3532
3533 2019-05-09  Martin Liska  <mliska@suse.cz>
3534
3535         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3536         and MAX_EXPR in GIMPLE FE format.
3537
3538 2019-05-09  Martin Liska  <mliska@suse.cz>
3539
3540         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3541         * gimple-pretty-print.c (dump_gimple_bb_header):
3542         Dump BB count.
3543         (pp_cfg_jump): Dump edge probability.
3544         * profile-count.c (profile_quality_as_string): Simplify
3545         with a static array.
3546         (parse_profile_quality): New function.
3547         (profile_count::dump): Simplify with a static array.
3548         (profile_count::from_gcov_type): Add new argument.
3549         * profile-count.h (parse_profile_quality): Likewise.
3550         * predict.h (set_hot_bb_threshold): New.
3551         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3552         New param.
3553         * predict.c (get_hot_bb_threshold): Set from the new param.
3554         (set_hot_bb_threshold): New.
3555
3556 2019-05-09  Richard Biener  <rguenther@suse.de>
3557
3558         PR tree-optimization/90395
3559         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3560         rewrite vector stores that throw internally.
3561
3562 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3563
3564         * cif-code.def (CHKP): Remove.
3565
3566         PR target/89221
3567         * configure.ac (--enable-frame-pointer): Disable by default for
3568         GNU systems.
3569         * configure: Regenerate.
3570
3571 2019-05-09  Alan Modra  <amodra@gmail.com>
3572
3573         PR target/89271
3574         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3575         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3576         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3577         cost for general <-> vsx when direct moves are available.
3578         Cost union classes at minimal cost for any reg in the class.
3579         Correct calculation for moves between vsx, float, and altivec.
3580         Don't return a low cost for moves between special regs.  Don't
3581         use hard coded register numbers.
3582         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3583         (rs6000_ira_change_pseudo_allocno_class): New function.
3584         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3585         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3586         alternatives.
3587         (movsi_internal1): Don't disparage vector alternatives.
3588         (mov<mode>_internal): Likewise, excepting alternative that
3589         will be split.
3590         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3591         we <- b alternative.
3592
3593 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3594
3595         PR c++/59813
3596         PR tree-optimization/89060
3597         * tree-ssa-live.h (live_vars_map): New typedef.
3598         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3599         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3600         (struct compute_live_vars_data): New type.
3601         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3602         live_vars_at_stmt, destroy_live_vars): New functions.
3603         * tree-tailcall.c: Include tree-ssa-live.h.
3604         (live_vars, live_vars_vec): New global variables.
3605         (find_tail_calls): Perform variable life analysis before punting.
3606         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3607         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3608         member.
3609         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3610         Perform variable life analysis to select variables that really need
3611         clobbers added.
3612         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3613         instead set id->eh_landing_pad_dest and assert it is the same.
3614         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3615
3616 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3617             Richard Earnshaw  <rearnsha@arm.com>
3618
3619         PR target/88167
3620         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3621         function.
3622         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3623         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3624         register if both the epilogue and prologue can use call-clobbered
3625         regs.
3626         (thumb1_unexpanded_epilogue): Use
3627         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3628         picking temporaries for restoring high regs to match that of the
3629         prologue where possible.
3630         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3631         the list of work registers.  Detect if the return address is still live
3632         at the end of the prologue and avoid using it for a work register if so.
3633         If the return address is not live, add LR to the list of pushable regs
3634         after the first pass.
3635
3636 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3637
3638         PR tree-optimization/90078
3639         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3640         (INFTY): Increase the value for infinite cost.
3641         (struct comp_cost): Promote type of members to int64_t.
3642         (infinite_cost): Don't set complexity in initialization.
3643         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3644         overflows to infinite_cost.
3645         (adjust_setup_cost): Promote type of parameter and cost computation
3646         to int64_t.
3647         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3648         int64_t.
3649         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3650         cost computation to int64_t.
3651         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3652         int64_t's format specifier in dump.
3653
3654 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3655
3656         PR tree-optimization/90240
3657         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3658         with respect to scaling factor pre-computed for each basic block.
3659         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3660         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3661         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3662         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3663         live range for array of loop's basic blocks.  Cleanup aux field of
3664         loop's basic blocks.
3665
3666 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3667
3668         PR tree-optimization/90356
3669         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3670
3671 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3672
3673         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3674         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3675         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3676         (ix86_handle_option): Handle -mavx512bf16.
3677         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3678         to extra_headers.
3679         * config/i386/avx512bf16vlintrin.h: New.
3680         * config/i386/avx512bf16intrin.h: New.
3681         * config/i386/cpuid.h (bit_AVX512BF16): New.
3682         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3683         * config/i386/i386-builtin-types.def: Add new types.
3684         * config/i386/i386-builtin.def: Add new builtins.
3685         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3686         __AVX512BF16__.
3687         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3688         (ix86_option_override_internal): Handle BF16.
3689         (ix86_valid_target_attribute_inner_p): Ditto.
3690         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3691         * config/i386/i386-builtin.c (enum processor_features): Add
3692         F_AVX512BF16.
3693         (static const _isa_names_table isa_names_table): Ditto.
3694         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3695         (PTA_AVX512BF16): Ditto.
3696         * config/i386/i386.opt: Add -mavx512bf16.
3697         * config/i386/immintrin.h: Include avx512bf16intrin.h
3698         and avx512bf16vlintrin.h.
3699         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3700         avx512f_cvtneps2bf16_<mode><mask_name>,
3701         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3702         * config/i386/subst.md (mask_half): Add new subst.
3703         * doc/invoke.texi: Document -mavx512bf16.
3704
3705 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3706
3707         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3708         Delete declaration.
3709         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3710         (rs6000_debug_legitimize_reload_address): Delete.
3711         (rs6000_legitimize_reload_address_ptr): Delete.
3712         (rs6000_option_override_internal): Adjust.
3713         (mem_operand_gpr): Adjust comment.
3714         (legitimate_lo_sum_address_p): Ditto.
3715         (rs6000_legitimize_reload_address): Delete.
3716         (rs6000_debug_legitimize_reload_address): Delete.
3717         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3718
3719 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3720
3721         PR target/89765
3722         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3723         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3724         to compute vector element selector for both constant and variable
3725         operands.
3726
3727 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3728
3729         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3730         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3731         ashrdi3_cvt using SWI48 mode iterator.
3732
3733 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3734
3735         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3736         (aarch64_<su>abd<mode>_3): Likewise.
3737         (*aarch64_<su>abd<mode>_3): New define_insn.
3738         (<sur>sad<vsi2qi>): New define_expand.
3739         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3740         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3741         (build_vect_cond_expr): Likewise.
3742
3743 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3744
3745         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3746         clobbers outside of accessible_reg_set.
3747         * config/i386/i386.c (ix86_conditional_register_usage):
3748         Disable register sets by clearing corresponding bits in
3749         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3750         call_used_regs and don't clear corresponding reg_names array members.
3751
3752 2019-05-07  Richard Biener  <rguenther@suse.de>
3753
3754         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3755         not specified still compute a comp_vectype for invariant
3756         compares.
3757
3758 2019-05-07  Richard Biener  <rguenther@suse.de>
3759
3760         PR tree-optimization/90316
3761         * tree-ssa-pre.c (translate_vuse_through_block): When
3762         same_valid is NULL do not bother to search for a virtual
3763         PHI continuation.
3764         (phi_translate_1): When operands changed we cannot keep
3765         the same value-number so do not bother to ask whether
3766         that's possible from translate_vuse_through_block.
3767
3768 2019-05-07  Martin Liska  <mliska@suse.cz>
3769
3770         * bitmap.c (bitmap_register): Come up with
3771         alloc_descriptor_max_uid and assign it for
3772         a new bitmap.
3773         (register_overhead): Use get_descriptor as
3774         a descriptor.
3775         (release_overhead): New.
3776         (bitmap_elem_to_freelist): Call it.
3777         (bitmap_elt_clear_from): Likewise.
3778         (bitmap_obstack_free): Likewise.
3779         (bitmap_move): Sensitively release memory.
3780         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3781         (bitmap_initialize): Initialize alloc_descriptor to zero.
3782         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3783
3784 2019-05-07  Richard Biener  <rguenther@suse.de>
3785
3786         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3787         we build a SLP node.  Remove max_size and limiting.
3788         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3789
3790 2019-05-07  Richard Biener  <rguenther@suse.de>
3791
3792         PR tree-optimization/90316
3793         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3794         limit by reference.
3795         (walk_non_aliased_vuses): Take walking limit argument.
3796         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3797         walking if it is reached instead of just counting.
3798         (get_continuation_for_phi): Likewise.
3799         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3800         limiting to the callback.
3801         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3802         (vn_reference_lookup_3): Likewise.
3803         (vn_reference_lookup_pieces): Likewise.
3804         (vn_reference_lookup): Likewise.
3805         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3806         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3807         (avail_exprs_stack::lookup_avail_expr): Likewise.
3808
3809 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3810
3811         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3812         for comparaible types in the second direction even if first one
3813         hits incomparable type.
3814
3815 2019-05-07  Richard Biener  <rguenther@suse.de>
3816
3817         PR lto/90369
3818         * lto-wrapper.c (debug_objcopy): Use the original filename
3819         including archive offset for the filename used for -save-temps.
3820
3821 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3822
3823         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3824         detection.
3825
3826 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3827             Hongtao Liu  <hongtao.liu@intel.com>
3828
3829         PR target/89750
3830         PR target/86444
3831         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3832         Modified, original implementation isn't correct.
3833
3834 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3835
3836         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3837         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3838         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3839         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3840         (FRAME_POINTER_REGNUM): Change numbering.
3841         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3842         (alt_reg_names): Adjust.
3843         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3844         fixed.
3845         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3846         (DWARF_FRAME_REGISTERS): Delete.
3847         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3848         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3849         Adjust.
3850         (REG_ALLOC_ORDER): Adjust.
3851         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3852         (REG_CLASS_CONTENTS): Adjust.
3853         (RETURN_ADDR_RTX): Change comment.
3854         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3855         instead of 67.
3856         (REGISTER_NAMES): Adjust.
3857         (ADDITIONAL_REGISTER_NAMES): Adjust.
3858         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3859
3860 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3861
3862         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3863         Delete.
3864         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3865         (DWARF_FRAME_REGISTERS): Adjust.
3866         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3867         Adjust.
3868         (REG_ALLOC_ORDER): Adjust.
3869         (enum reg_class): Delete SPR_REGS.
3870         (REG_CLASS_NAMES): Delete SPR_REGS.
3871         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3872         (REGISTER_NAMES): Adjust.
3873         (ADDITIONAL_REGISTER_NAMES): Adjust.
3874         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3875         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3876         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3877         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3878         (htm_spr_regno): Delete.
3879         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3880         argument.
3881         (rs6000_dbx_register_number): Adjust.
3882
3883 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3884
3885         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3886
3887 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3888
3889         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3890         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3891
3892 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3893
3894         PR tree-optimization/88709
3895         PR tree-optimization/90271
3896         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3897         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3898         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3899         variable.
3900         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3901         of the store merging group is larger than
3902         PARAM_STORE_MERGING_MAX_SIZE parameter.
3903         (split_group): Add bzero_first argument.  If set, always emit first
3904         the first store which must be = {} of the whole area and then for the
3905         rest of the stores consider all zero bytes as paddings.
3906         (imm_store_chain_info::output_merged_store): Check if first store
3907         is = {} of the whole area and if yes, determine which setting of
3908         bzero_first for split_group gives smaller number of stores.  Adjust
3909         split_group callers.
3910         (lhs_valid_for_store_merging_p): Allow decls.
3911         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3912         no elts.
3913         (pass_store_merging::process_store): Likewise.
3914
3915 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3916
3917         PR target/89424
3918         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3919         handling of V1TImode.
3920
3921 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3922
3923         PR target/89221
3924         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3925         and enable_frame_pointer ...
3926         * configure.ac: ... here.  Update help strings for
3927         --enable-frame-pointer.
3928         * configure: Regenerate.
3929         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3930         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3931         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3932         (USE_X86_64_FRAME_POINTER): Ditto.
3933
3934 2019-05-06  Martin Liska  <mliska@suse.cz>
3935
3936         * config.gcc: Append to target_gtfiles and fix indentation.
3937
3938 2019-05-06  Richard Biener  <rguenther@suse.de>
3939
3940         PR tree-optimization/90358
3941         * tree-vect-stmts.c (get_group_load_store_type): Properly
3942         detect unused upper half of load.
3943         (vectorizable_load): Likewise.
3944
3945 2019-05-06  Richard Biener  <rguenther@suse.de>
3946
3947         PR tree-optimization/88828
3948         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3949         (simplify_vector_constructor): ...here.  Handle constants in
3950         the constructor.
3951
3952 2019-05-06  Richard Biener  <rguenther@suse.de>
3953
3954         PR tree-optimization/90328
3955         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3956         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3957         is valid in the loop nest before using it.
3958         (initialize_data_dependence_relation): Adjust.
3959         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3960         loop as loop-nest to dr_may_alias_p.
3961
3962 2019-05-06  Richard Biener  <rguenther@suse.de>
3963
3964         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3965
3966 2019-05-06  Richard Biener  <rguenther@suse.de>
3967
3968         PR tree-optimization/90316
3969         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3970         compute target on demand.
3971         (get_continuation_for_phi): Remove code walking stmts to
3972         get to a target virtual operand which could end up being
3973         quadratic.
3974
3975 2019-05-06  Martin Liska  <mliska@suse.cz>
3976
3977         PR sanitizer/90312
3978         * config/i386/i386-options.c (ix86_option_override_internal): Error only
3979         when -mabi is selected to a non-default version.
3980
3981 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
3982             Martin Liska  <mliska@suse.cz>
3983
3984         * Makefile.in: Add lto-dump.texi.
3985         * cgraph.h: Add new functions get_visibility_string and
3986         get_symtab_type_string.
3987         * doc/gcc.texi: Include lto-dump section.
3988         * doc/lto-dump.texi: New file.
3989         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
3990         (parse_dump_option): Factor out this function.
3991         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
3992         (parse_dump_option): Export the function.
3993         * symtab.c (symtab_node::get_visibility_string): New function.
3994         (symtab_node::get_symtab_type_string): Likewise.
3995
3996 2019-05-06  Martin Liska  <mliska@suse.cz>
3997
3998         * config/i386/i386-builtins.c: New file.
3999         * config/i386/i386-builtins.h: New file.
4000         * config/i386/i386-expand.c: New file.
4001         * config/i386/i386-expand.h: New file.
4002         * config/i386/i386-features.c: New file.
4003         * config/i386/i386-features.h: New file.
4004         * config/i386/i386-options.c: New file.
4005         * config/i386/i386-options.h: New file.
4006         * config.gcc: Add new files into extra_objs and
4007         target_gtfiles.
4008         * config/i386/i386.c: Split content of the file
4009         into newly introduced files.
4010         * config/i386/i386.h: Declare common variables
4011         and macros.
4012         * config/i386/t-i386: Define dependencies for new files.
4013
4014 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4015
4016         PR target/89400
4017         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4018         Restrict 'all' variant to 32-bit configurations.
4019         (unaligned_loadhiu): Likewise.
4020         (unaligned_storehi): Likewise.
4021         (unaligned_storesi): Likewise.
4022         (unaligned_loadhis): Disable when compiling for thumb1.
4023
4024 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4025
4026         PR tree-optimization/90269
4027         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4028         Ignore clobbers.
4029
4030 2019-05-03  Martin Liska  <mliska@suse.cz>
4031
4032         * hash-map.h: Add is_empty function.
4033         * hash-set.h: Likewise.
4034         * hash-table.h: Likewise.
4035         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4036         elements () == 0 (and similar usages).
4037         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4038         * gimplify.c (gimplify_bind_expr): Likewise.
4039         (gimplify_switch_expr): Likewise.
4040         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4041         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4042         * postreload-gcse.c (dump_hash_table): Likewise.
4043         (gcse_after_reload_main): Likewise.
4044         * predict.c (combine_predictions_for_bb): Likewise.
4045         * tree-parloops.c (reduction_phi): Likewise.
4046         (separate_decls_in_region): Likewise.
4047         (transform_to_exit_first_loop): Likewise.
4048         (gen_parallel_loop): Likewise.
4049         (gather_scalar_reductions): Likewise.
4050         (try_create_reduction_list): Likewise.
4051         * var-tracking.c (dump_vars): Likewise.
4052         (emit_notes_for_changes): Likewise.
4053         (vt_emit_notes): Likewise.
4054
4055 2019-05-03  Richard Biener  <rguenther@suse.de>
4056
4057         PR tree-optimization/90316
4058         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4059         before running VN.
4060
4061 2019-05-03  Richard Biener  <rguenther@suse.de>
4062
4063         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4064         peeling for gaps by loading only lower halves of vectors
4065         if possible.
4066         (vectorizable_load): Likewise.
4067
4068 2019-05-03  Richard Biener  <rguenther@suse.de>
4069
4070         PR middle-end/89518
4071         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4072
4073 2019-05-03  Richard Biener  <rguenther@suse.de>
4074
4075         PR middle-end/87314
4076         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4077         Handle STRING_CST vs DECL or STRING_CST.
4078
4079 2019-05-03  Richard Biener  <rguenther@suse.de>
4080
4081         PR tree-optimization/88963
4082         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4083         vector loads feeding only BIT_FIELD_REFs to component
4084         loads.  Rewrite stores fed by CONSTRUCTORs to component
4085         stores.
4086
4087 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4088
4089         * opts.h (finish_options): Remove lang_mask argument.
4090         (print_help, help_option_argument): Declare.
4091         * opts.c (print_help): Remove forward declaration, no longer static.
4092         (finish_options): Remove lang_mask argument, don't call print_help
4093         here.
4094         * opts-global.c (decode_options): Adjust finish_option caller, call
4095         print_help here.
4096
4097         PR tree-optimization/90303
4098         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4099         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4100
4101 2019-05-03  Richard Biener  <rguenther@suse.de>
4102
4103         PR tree-optimization/89698
4104         * gimple-fold.c (canonicalize_constructor_val): Early out
4105         for constants, handle unfolded INTEGER_CSTs as they appear in
4106         C++ virtual table ctors.
4107
4108 2019-05-03  Richard Biener  <rguenther@suse.de>
4109
4110         * passes.c (execute_function_todo): Remove dead code.
4111
4112 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4113
4114         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4115         the internal register number, for any "real" register.
4116
4117 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4118
4119         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4120         correct numbers for TFHAR, TFIAR, TEXASR.
4121
4122 2019-05-02  Richard Biener  <rguenther@suse.de>
4123
4124         PR tree-optimization/89653
4125         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4126         update-address-taken before the pass.
4127         * passes.def (pass_tree_loop_init): Put comment before it.
4128
4129 2019-05-02  Richard Biener  <rguenther@suse.de>
4130
4131         PR tree-optimization/89509
4132         * tree-ssa-structalias.c (compute_dependence_clique): Look
4133         at the first subvar when determining whether it is restrict.
4134
4135 2019-05-02  Richard Biener  <rguenther@suse.de>
4136
4137         PR tree-optimization/90273
4138         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4139         useless debug stmts.
4140
4141 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4142
4143         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4144         ACLE branch.
4145         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4146         SVE ACLE branch.
4147         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4148         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4149         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4150         (vectorizable_reduction): Use the functions above to vectorize in a
4151         fully masked loop codes that don't have a conditional internal
4152         function.
4153
4154 2019-05-02  Martin Liska  <mliska@suse.cz>
4155
4156         * cgraphclones.c: Call valid_attribute_p with 1 for
4157         target_clone.
4158         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4159         it's for target attribute.
4160         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4161         Add new boolean argument.
4162         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4163         Likewise.
4164         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4165         to ix86_valid_target_attribute_inner_p.
4166         (ix86_valid_target_attribute_p): Pass flags argument to
4167         ix86_valid_target_attribute_inner_p.
4168         (get_builtin_code_for_version): Use 0 as it's target attribute.
4169
4170 2019-05-02  Martin Liska  <mliska@suse.cz>
4171
4172         * gcc.c (process_command): Add dummy file only
4173         if n_infiles == 0.
4174         * opts-global.c (decode_options): Pass lang_mask.
4175         * opts.c (print_help): New function.
4176         (finish_options): Print --help if help_option_argument
4177         is set.
4178         (common_handle_option): Factor out content of OPT__help_
4179         into print_help.
4180         * opts.h (finish_options): Add new argument.
4181
4182 2019-05-02  Martin Liska  <mliska@suse.cz>
4183
4184         PR target/88809
4185         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4186         With -minline-all-stringops use inline expansion using 4B loop.
4187         * doc/invoke.texi: Document the change of
4188         -minline-all-stringops.
4189
4190 2019-05-01  Jeff Law  <law@redhat.com>
4191
4192         PR tree-optimization/88797
4193         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4194         PHI feeds a conditional on the RHS of an assignment.
4195
4196 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4197             Jim Wilson  <jimw@sifive.com>
4198
4199         * config/riscv/constraints.md (L): New.
4200         * config/riscv/predicates.md (lui_operand): New.
4201         (sfb_alu_operand): New.
4202         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4203         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4204         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4205         * config/riscv/risc.md (type): Add sfb_alu.
4206         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4207         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4208         (branch_zero<mode>): Delete.
4209         (mov<mode>cc): New.
4210         (mov<GPR:mode><X:mode>cc): Likewise.
4211         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4212
4213 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4214
4215         * tree.h (MARK_TS_EXP): New.
4216
4217 2019-04-30  Martin Liska  <mliska@suse.cz>
4218
4219         * opts.c (enable_warning_as_error): Provide hints
4220         for unknown options.
4221
4222 2019-04-30  Martin Liska  <mliska@suse.cz>
4223
4224         PR debug/90288
4225         * doc/invoke.texi: Add missing dash for gas-locview-support
4226         and gno-as-locview-support.
4227
4228 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4229
4230         PR target/89093
4231         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4232         whitespace at the start of target attribute string.
4233
4234 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4235
4236         PR target/86538
4237         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4238         Define __ARM_FEATURE_ATOMICS.
4239
4240 2019-04-30  Martin Liska  <mliska@suse.cz>
4241
4242         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4243         into built_in_function enum. Remove code for endp == 2 and
4244         use BUILT_IN_* constants.
4245         (gimple_fold_builtin): Call the function with fcode.
4246
4247 2019-04-30  Martin Liska  <mliska@suse.cz>
4248
4249         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4250         DECL_FUNCTION_CODE into ix86_builtins enum before
4251         the switch statement.
4252
4253 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4254
4255         PR tree-optimization/89475
4256         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4257         calls.
4258
4259 2019-04-30  Martin Liska  <mliska@suse.cz>
4260
4261         PR translation/90274
4262         * opts.c (print_filtered_help): Wrap string in _(...).
4263
4264 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4265
4266         PR tree-optimization/90240
4267         Revert:
4268         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4269
4270         PR tree-optimization/90078
4271         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4272         checks for infinite_cost overflow.
4273
4274 2019-04-29  Jeff Law  <law@redhat.com>
4275
4276         * passes.def: Move -Wrestrict pass after copy propagation.
4277
4278 2019-04-29  Maya Rashish  <coypu@sdf.org>
4279
4280         * config.gcc (default_gnu_indirect_function): Default to yes
4281         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4282         sparc*-*-netbsd*, x86_64-*-netbsd*.
4283
4284 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4285
4286         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4287         where cond2 is NE_EXPR.
4288         (is_value_included_in): Update comment.
4289
4290 2019-04-29  Richard Biener  <rguenther@suse.de>
4291
4292         PR tree-optimization/90278
4293         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4294         EH on comparison simplification.
4295
4296 2019-04-29  Jason Merrill  <jason@redhat.com>
4297
4298         PR c++/82081 - tail call optimization breaks noexcept
4299         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4300         nothrow function to a might-throw function into a tail call.
4301
4302 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4303
4304         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4305         (DDR_INNER_LOOP): Likewise.
4306         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4307         (initialize_data_dependence_relation): Likewise.
4308         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4309
4310 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4311
4312         PR rtl-optimization/90257
4313         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4314         return value.
4315
4316         Revert the revert:
4317         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4318
4319         PR target/90178
4320         Revert:
4321         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4322
4323         Revert the revert:
4324         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4325
4326         Revert:
4327         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4328
4329         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4330
4331 2019-04-29  Richard Biener  <rguenther@suse.de>
4332
4333         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4334         rhs issue a reset.
4335
4336 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4337
4338         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4339         varasm.h, and netbsd-protos.h.
4340
4341 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4342
4343         PR target/89261
4344         * config/i386/i386-protos.h (ix86_data_alignment): Change
4345         the second argument type to unsigned int.
4346         * config/i386/i386.c (ix86_data_alignment): Change "align"
4347         argument type to unsigned int.
4348
4349 2019-04-27  Martin Liska  <mliska@suse.cz>
4350
4351         PR middle-end/90258
4352         * opt-suggestions.c (option_proposer::build_option_suggestions):
4353         When get_valid_option_values returns empty values, add the
4354         misspelling candidate.
4355
4356 2019-04-26  Jim Wilson  <jimw@sifive.com>
4357
4358         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4359         parameter.
4360         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4361         Pass orig_mode to riscv_build_integer.
4362         (riscv_split_integer): Pass mode to riscv_move_integer.
4363         (riscv_legitimize_const_move): Likewise.
4364         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4365         promoted_mode.  Replace force_reg call with code to load constant into
4366         promoted reg and then subreg it for the store.
4367         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4368         riscv_move_integer.
4369
4370 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4371
4372         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4373         corrupt codes.
4374
4375 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4376
4377         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4378         commentary about the encoding of precision.
4379
4380 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4381
4382         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4383         * config/i386/t-freebsd64: New file.
4384         * config.gcc: Add the t-freebsd64 for multilib support.
4385
4386 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4387
4388         * doc/extend.texi (vector_size): Add missing comma after @xref.
4389
4390 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4391
4392         * BASE-VER: Set to 10.0.0.
4393
4394 2019-04-25  Richard Biener  <rguenther@suse.de>
4395
4396         PR middle-end/89765
4397         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4398         VIEW_CONVERT_EXPR into one operating on an rvalue.
4399
4400 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4401
4402         PR target/89929
4403         * config/i386/i386.c (feature_priority): Moved to file scope.
4404         (processor_features): Likewise.
4405         (processor_model): Likewise.
4406         (_arch_names_table): Likewise.
4407         (arch_names_table): Likewise.
4408         (_feature_list): Removed.
4409         (feature_list): Likewise.
4410         (_isa_names_table): Moved to file scope.  Add priority.
4411         (isa_names_table): Likewise.
4412         (get_builtin_code_for_version): Replace feature_list with
4413         isa_names_table.  Update error message for P_ZERO priority.
4414
4415 2019-04-25  Richard Biener  <rguenther@suse.de>
4416
4417         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4418         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4419
4420 2019-04-24  Jeff Law  <law@redhat.com>
4421
4422         PR tree-optimization/90037
4423         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4424         * passes.def: Replace all instance of phi-only cprop with the
4425         lattice propagator.  Move propagation pass from after erroneous
4426         path isolation to before erroneous path isolation.
4427         * tree-ssa-phionlycprop.c: Remove.
4428
4429 2019-04-24  Richard Biener  <rguenther@suse.de>
4430
4431         PR middle-end/90213
4432         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4433         by size and BITS_PER_UNIT on poly-wide-ints.
4434
4435 2019-04-25  Richard Biener  <rguenther@suse.de>
4436
4437         PR middle-end/90194
4438         * match.pd: Add pattern to simplify view-conversion of an
4439         empty constructor.
4440
4441 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4442
4443         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4444         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4445         for Go on 32 bit AIX.
4446         * config/rs6000/aix72.h: Likewise.
4447
4448 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4449
4450         PR target/90193
4451         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4452         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4453
4454 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4455
4456         PR target/89952
4457         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4458         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4459         for restored hard frame pointer.
4460         (s390_sched_dependencies_evaluation): Implement new target hook.
4461         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4462
4463 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4464
4465         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4466         * config/arc/arc.c (arc_init): Cleanup warning message.
4467         (arc_override_options): Likewise.
4468
4469 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4470
4471         PR target/90187
4472         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4473         a register if both if_true and if_false are MEMs.
4474
4475         PR tree-optimization/90208
4476         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4477         after labels of new_bb, not before them.
4478
4479         PR tree-optimization/90211
4480         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4481         which are not SSA_NAMEs.
4482
4483 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4484
4485         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4486         AArch64.
4487         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4488
4489 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4490
4491         PR rtl-optimization/87979
4492         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4493         not equal zero.
4494
4495 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4496
4497         PR rtl-optimization/84032
4498         * modulo-sched.c (ps_insn_find_column): Change condition so that
4499         branch will always be the last insn in a row inside partial
4500         schedule.
4501
4502 2019-04-23  Richard Biener  <rguenther@suse.de>
4503
4504         PR debug/90131
4505         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4506         dest_single_pred_p argument.
4507         (remove_forwarder_block): Adjust.
4508         (remove_forwarder_block_with_phi): Likewise.
4509
4510 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4511             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4512             Jakub Jelinek  <jakub@redhat.com>
4513
4514         PR target/89093
4515         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4516         if used with general-regs-only.
4517         (arm_conditional_register_usage): Don't add non-general regs if
4518         general-regs-only.
4519         (arm_valid_target_attribute_rec): Handle general-regs-only.
4520         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4521         general-regs-only.
4522         (TARGET_HARD_FLOAT_SUB): Define.
4523         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4524         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4525         (TARGET_REALLY_IWMMXT2): Likewise.
4526         * config/arm/arm.opt: Add -mgeneral-regs-only.
4527         * doc/extend.texi: Document ARM general-regs-only target.
4528         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4529
4530 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4531
4532         PR tree-optimization/90078
4533         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4534         checks for infinite_cost overflow.
4535
4536 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4537
4538         PR tree-optimization/90021
4539         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4540         and check univariate against it.
4541         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4542         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4543
4544 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4545
4546         PR target/90178
4547         Revert:
4548         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4549
4550         Revert the revert:
4551         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4552
4553         Revert:
4554         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4555
4556         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4557
4558 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4559
4560         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4561         names using operand format, rather than hard-wired.
4562         (speculation_barrier): Likewise.
4563
4564 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4565
4566         PR tree-optimization/88055
4567         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4568         (gen_one_condition): Use it if !HONOR_NANS.
4569
4570 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4571
4572         PR middle-end/90139
4573         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4574         assign_temp instead of gen_reg_rtx.
4575
4576 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4577
4578         PR translation/90118
4579         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4580         Add missing space before %<.
4581
4582 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4583
4584         PR rtl-optimization/87871
4585         * ira-lives.c (make_object_dead): Don't add conflicts to
4586         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4587
4588 2019-04-18  Martin Sebor  <msebor@redhat.com>
4589
4590         PR middle-end/89797
4591         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4592         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4593         assuming type size fits in SHWI.
4594
4595 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4596
4597         PR ipa/85051
4598         * ipa-inline.c (flatten_function): New parameter UPDATE.
4599         (ipa_inline, early_inliner): Use it.
4600
4601 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4602
4603         * fold-const.c (int_const_binop): Return early on failure.
4604
4605 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4606
4607         PR middle-end/85164
4608         * combine.c (force_int_to_mode): Cast the argument rather than
4609         the result of known_alignment.
4610         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4611
4612 2019-04-18  Richard Biener  <rguenther@suse.de>
4613
4614         PR debug/90131
4615         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4616         out from ...
4617         (remove_forwarder_block): ... here.
4618         (remove_forwarder_block_with_phi): Also move debug stmts here.
4619
4620 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4621
4622         PR translation/79183
4623         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4624         inform where appropriate.
4625
4626 2019-04-18  Richard Biener  <rguenther@suse.de>
4627
4628         * tree.c (get_qualified_type): Put found type variants at the
4629         head of the variant list.
4630
4631 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4632
4633         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4634
4635 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4636
4637         PR target/90125
4638         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4639         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4640         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4641         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4642         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4643
4644 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4645
4646         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4647         even for allocno's with no conflicts.
4648         (print_conflicts): Print an extra newline.
4649
4650 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4651
4652         * auto-inc-dec.c (attempt_change): Set the alignment of the
4653         temporary memory to that of the original.
4654
4655 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4656
4657         * targhooks.c (default_print_patchable_function_entry): Emit
4658         __patchable_function_entries section with writable flags to allow
4659         relocation resolution.
4660
4661 2019-04-17  Jonny Grant  <jg@jguk.org>
4662
4663         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4664
4665 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4666
4667         PR middle-end/90095
4668         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4669         on lowpart SUBREGs.
4670
4671 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4672
4673         * config/arc/arc.c (arc_init): Format diagnostic string.
4674         (arc_override_options): Likewise.
4675         (check_if_valid_regno_const): Likewise.
4676         (arc_reorg): Likewise.
4677
4678 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4679
4680         PR target/17108
4681         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4682         name.
4683         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4684         name.
4685         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4686         (*movdi_update1): Use Pmode.
4687         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4688         (movdi_<mode>_update_stack): Rename to ...
4689         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4690         use Pmode.
4691         (*movsi_update1): Use Pmode.
4692         (*movsi_update2): Use Pmode.
4693         (movsi_update): Rename to ...
4694         (movsi_<mode>_update): ... this.  Use Pmode.
4695         (movsi_update_stack): Fix condition.
4696         (*movhi_update1): Use Pmode.  Fix argument to
4697         avoiding_indexed_address_p.
4698         (*movhi_update2): Ditto.
4699         (*movhi_update3): Ditto.
4700         (*movhi_update4): Ditto.
4701         (*movqi_update1): Ditto.
4702         (*movqi_update2): Ditto.
4703         (*movqi_update3): Ditto.
4704         (*movsf_update1, *movdf_update1): Merge, rename to...
4705         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4706         avoiding_indexed_address_p.  Add "size" attribute.
4707         (*movsf_update2, *movdf_update2): Merge, rename to...
4708         (*mov<mode>_update2): This.  Ditto.
4709         (*movsf_update3): Use Pmode.  Fix argument to
4710         avoiding_indexed_address_p.
4711         (*movsf_update4): Ditto.
4712         (allocate_stack): Simplify condition.  Adjust pattern names.
4713
4714 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4715
4716         PR target/89093
4717         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4718         whitespace at the start of target attribute string.
4719
4720 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4721
4722         PR target/84369
4723         * config/rs6000/power9.md: Add store forwarding bypass.
4724
4725 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4726
4727         PR debug/89528
4728         * valtrack.c (dead_debug_insert_temp): Reset debug references
4729         to the return value of a call being removed.
4730
4731 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4732
4733         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4734         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4735         implement target hook.
4736         (arc_memory_move_cost): New function.
4737         (TARGET_REGISTER_MOVE_COST): Define.
4738         (TARGET_MEMORY_MOVE_COST): Likewise.
4739         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4740         (MEMORY_MOVE_COST): Likewise.
4741
4742 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4743
4744         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4745         (sibcall_value_insn): Likewise.
4746         * config/arc/constraints.md (Rs5): Remove.
4747
4748 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4749
4750         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4751         for last two fake registers.
4752         (arc_conditional_register_usage): Make sure fake frame and arg
4753         pointer regs are in general regs class.
4754         (FRAME_POINTER_MASK): Remove.
4755         (RETURN_ADDR_MASK): Remove.
4756         (arc_must_save_register): Use hard frame regnum.
4757         (frame_restore_reg): Use hard_frame_pointer_rtx.
4758         (arc_save_callee_saves): Likewise.
4759         (arc_restore_callee_saves): Likewise.
4760         (arc_save_callee_enter): Likewise.
4761         (arc_restore_callee_leave): Likewise.
4762         (arc_save_callee_milli): Likewise.
4763         (arc_eh_return_address_location): Likewise.
4764         (arc_check_multi): Use hard frame regnum.
4765         (arc_can_eliminate): Likewise.
4766         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4767         for register allocator.
4768         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4769         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4770         (FRAME_POINTER_REGNUM): Change it to a fake register.
4771         (HARD_FRAME_POINTER_REGNUM): Defined.
4772         (ARG_POINTER_REGNUM): Change it to a new fake register.
4773         (ELIMINABLE_REGS): Update.
4774         (REGISTER_NAMES): Update names.
4775         * config/arc/arc.md (LP_START): Remove.
4776         (LP_END): Likewise.
4777         (shift_si3_loop): Update pattern.
4778
4779 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4780
4781         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4782         to avoid delay slot scheduling.
4783         (arc_must_save_register): Don't save SP.
4784         * config/arc/arc.md (stack_tie): Remove.
4785         (UNSPEC_ARC_STKTIE): Likewise.
4786
4787 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4788             Shiva Chen  <shiva0217@gmail.com>
4789
4790         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4791         code gen with large shift amount.
4792
4793 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4794
4795         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4796         subreg.
4797
4798 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4799
4800         PR target/90096
4801         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4802         print -m64/-mx32/-m32 if it is true.
4803         (ix86_debug_options, ix86_function_specific_print): Pass true as
4804         ADD_ABI_P to ix86_target_string.
4805         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4806         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4807         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4808
4809         PR rtl-optimization/90082
4810         * dce.c (can_delete_call): New function.
4811         (deletable_insn_p, mark_insn): Use it.
4812
4813         PR tree-optimization/90090
4814         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4815         throw internally.
4816         (is_division_by_square): Likewise.  Formatting fix.
4817
4818 2019-04-16  Richard Biener  <rguenther@suse.de>
4819
4820         PR tree-optimization/56049
4821         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4822         equality check if alias-set zero will prevail.
4823
4824 2019-04-15  Jeff Law  <law@redhat.com>
4825
4826         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4827         size and alignment as unsigned.
4828
4829 2019-04-15  Richard Biener  <rguenther@suse.de>
4830
4831         PR debug/90074
4832         * tree-loop-distribution.c (destroy_loop): Preserve correct
4833         debug info.
4834
4835 2019-04-15  Richard Biener  <rguenther@suse.de>
4836
4837         PR tree-optimization/90071
4838         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4839         abnormal operands from def stmts.
4840
4841 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4842
4843         PR rtl-optimization/89794
4844         * combine.c (count_auto_inc): New function.
4845         (try_combine): Count how many auto_inc expressions there were in the
4846         original instructions.  Ensure we have the same number in the new
4847         instructions.  Remove the code that tried to ensure auto_inc side
4848         effects on i1 and i0 are not lost.
4849
4850 2019-04-15  Richard Biener  <rguenther@suse.de>
4851
4852         PR ipa/88936
4853         * tree.h (auto_var_p): Declare.
4854         * tree.c (auto_var_p): New function, split out from ...
4855         (auto_var_in_fn_p): ... here.
4856         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4857         member.
4858         (new_var_info): Initialize it.
4859         (set_uids_in_ptset): Also set the shadow variable uid if required.
4860         (ipa_pta_execute): Postprocess points-to solutions assigning
4861         shadow variable uids for locals that may reach their containing
4862         function recursively.
4863         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4864         assert but instead check whether the points-to solution is
4865         a singleton.
4866
4867 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4868
4869         PR ipa/pr89693
4870         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4871         the thunk chain.
4872
4873 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4874
4875         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4876
4877 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4878             Kito Cheng  <kito.cheng@gmail.com>
4879             Shiva Chen  <shiva0217@gmail.com>
4880
4881         * config/nds32/nds32-md-auxiliary.c
4882         (nds32_legitimize_pic_address): Use new PIC pattern.
4883         (nds32_legitimize_tls_address): Use new TLS pattern.
4884         (nds32_output_symrel): New.
4885         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4886         (nds32_alloc_relax_group_id): Ditto.
4887         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4888         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4889         relax_group_id.
4890         (nds32_group_tls_insn): Ditto.
4891         (nds32_group_float_insns): Ditto.
4892         * config/nds32/nds32.md (tls_le): New.
4893         (sym_got): Ditto.
4894
4895 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4896
4897         * configure: Add nds32 target for dwarf2 debug_line checking.
4898         * configure.ac: Regenerated.
4899
4900 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4901
4902         PR lto/89358
4903         * ipa-devirt.c (skip_in_fields_list_p): New.
4904         (odr_types_equivalent_p): Use it.
4905
4906 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4907
4908         PR target/89093
4909         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4910         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4911
4912 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4913
4914         * doc/install.texi: Document --with-target-system-zlib.
4915
4916 2019-04-12  Martin Sebor  <msebor@redhat.com>
4917
4918         PR c/88383
4919         PR c/89288
4920         PR c/89798
4921         PR c/89797
4922         * targhooks.c (default_vector_alignment): Avoid assuming
4923         argument fits in SHWI.
4924         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4925         a shift expression.
4926         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4927
4928 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4929
4930         PR rtl-optimization/89965
4931         * dce.c: Include rtl-iter.h.
4932         (struct check_argument_load_data): New type.
4933         (check_argument_load): New function.
4934         (find_call_stack_args): Check for loads from stack slots still tracked
4935         in sp_bytes and punt if any is found.
4936
4937         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4938
4939 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4940
4941         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4942         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4943
4944 2019-04-12  Martin Liska  <mliska@suse.cz>
4945
4946         PR middle-end/89970
4947         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4948         in error message.
4949         (separate_attrs): Handle multiple 'default's.
4950         (expand_target_clones): Rework error handling code.
4951
4952 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4953
4954         PR target/87532
4955         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4956         mode of vector rather than mode of destination for move instruction.
4957         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4958         Use QI inner mode with V16QI vector mode.
4959
4960 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4961
4962         PR target/52726
4963         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4964         "invalid %%t operand" in output_operand_lossage message.
4965
4966 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4967
4968         * config/s390/predicates.md (permute_pattern_operand): New
4969         predicate.
4970         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
4971         operand for the permute pattern.
4972         ("*vec_perm<mode>"): New insn definition.
4973         ("bswap<mode>"): Generate the permute pattern operand in the
4974         expander and perform the operand reloads for pre arch13 level
4975         already.
4976         ("*bswap<mode>_emu"): Rename to ...
4977         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
4978         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
4979         Add the USE operand for the permute pattern.
4980         ("*vec_set_bswap_vec<mode>"): Likewise.
4981
4982 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4983
4984         PR c/89946
4985         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
4986         and gcc_unreachable if it fails, just call tree_to_uhwi which
4987         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
4988         Start warning message with a lower-case letter.  Formatting fixes.
4989
4990         PR rtl-optimization/90026
4991         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
4992         successors, look for BARRIERs inside of the whole BB_FOOTER chain
4993         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
4994         in cfglayout mode, use emit_barrier_after_bb.
4995
4996 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
4997
4998         PR rtl-optimization/87763
4999         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
5000         New Instruction.
5001
5002 2019-04-11  Tom de Vries  <tdevries@suse.de>
5003
5004         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
5005         max macro using statement expression.
5006
5007 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5008
5009         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5010         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5011         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5012         read_only_private_data_section using xcoff_private_rodata_section_name.
5013         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5014
5015 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5016
5017         PR target/90016
5018         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5019
5020 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5021
5022         PR rtl-optimization/89965
5023         * dce.c (sp_based_mem_offset): New function.
5024         (find_call_stack_args): Use sp_based_mem_offset.
5025
5026 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5027
5028         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5029
5030 2019-04-11  Richard Biener  <rguenther@suse.de>
5031
5032         PR tree-optimization/90020
5033         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5034         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5035         * tree-ssa-pre.c (compute_avail): Use it to not put
5036         possibly trapping references after a call that might not
5037         return into EXP_GEN.
5038         * gcse.c (compute_hash_table_work): Do not elide
5039         marking a block containing a call if the call might not
5040         return.
5041
5042 2019-04-11  Richard Biener  <rguenther@suse.de>
5043
5044         PR tree-optimization/90018
5045         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5046         Test both SLP and interleaving variants.
5047
5048 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5049
5050         * config/s390/8561.md: New file.
5051         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5052         Add arch13 cpu model.
5053         * config/s390/s390-opts.h (enum processor_type): Likewise.
5054         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5055         (s390_get_unit_mask): Likewise.
5056         (s390_is_fpd): Likewise.
5057         (s390_is_fxd): Likewise.
5058         * config/s390/s390.h (s390_tune_attr): Likewise.
5059         * config/s390/s390.md: Include arch13 pipeline description.
5060         * config/s390/s390.opt: Add arch13.
5061
5062 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5063
5064         PR rtl-optimization/87763
5065         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5066         New prototype.
5067         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5068         New function.
5069         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5070         New instruction.
5071         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5072         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5073         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5074         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5075
5076 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5077
5078         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5079         "Although" in -fipa-icf documentation.
5080
5081         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5082         of using multiple -g options.
5083
5084 2019-04-10  Martin Liska  <mliska@suse.cz>
5085
5086         PR gcov-profile/89959
5087         * doc/gcov.texi: Make documentation of -x option
5088         more precise.
5089
5090 2019-04-10  Richard Biener  <rguenther@suse.de>
5091
5092         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5093         member.
5094         (DR_GROUP_SAME_DR_STMT): Remove.
5095         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5096         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5097         replace with assert.
5098         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5099         (vect_record_grouped_load_vectors): Remove unreachable code.
5100
5101 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5102
5103         PR target/90016
5104         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5105         obsolete reference to N.
5106
5107 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5108
5109         PR middle-end/90025
5110         * expr.c (store_expr): Set properly size on the MEM passed to
5111         clear_storage.
5112
5113         PR c++/90010
5114         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5115         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5116         translation is needed, and when translation is needed, only append
5117         ... if the string length is hostsz or more bytes long.  Avoid using
5118         strncpy or strcat.
5119
5120 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5121
5122         PR target/90024
5123         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5124         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5125         into three.
5126         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5127         differences directly.
5128         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5129
5130 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5131
5132         PR translation/90011
5133         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5134         from diagnostics.
5135         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5136         diagnostics.
5137         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5138         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5139         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5140         trailing space from -gsplit-dwarf diagnostics.
5141
5142         PR tree-optimization/89998
5143         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5144         instead of integer_type_node if possible, don't add ranges if return
5145         type is not compatible with int.
5146         * gimple-fold.c (gimple_fold_builtin_sprintf,
5147         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5148         integer_type_node.
5149
5150 2019-04-09  Martin Liska  <mliska@suse.cz>
5151
5152         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5153         * doc/install.texi: Document the new config.
5154
5155 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5156
5157         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5158         use gimple_expr_type for load and store calls.  Skip over the
5159         condition argument in a conditional internal function.
5160         Protect use of TREE_INT_CST_LOW.
5161
5162 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5163
5164         PR target/90015
5165         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5166         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5167         trailing period from it too.
5168
5169 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5170
5171         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5172         * config/aarch64/aarch64.md : Add "tsv110.md"
5173         * config/aarch64/tsv110.md: New file.
5174
5175 2019-04-08  Richard Biener  <rguenther@suse.de>
5176
5177         PR tree-optimization/90006
5178         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5179         calls like lrint.
5180
5181 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5182
5183         PR target/83033
5184         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5185         construction.
5186         (fma_root_node): Likewise.
5187         (func_fma_steering): Likewise.
5188
5189 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5190
5191         PR rtl-optimization/89865
5192         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5193
5194         PR rtl-optimization/89865
5195         * config/i386/i386.md
5196         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5197         numbers not to clash with the additional operands[4].
5198         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5199         with extra register copy in the middle.
5200
5201 2019-04-08  Martin Liska  <mliska@suse.cz>
5202
5203         PR gcov-profile/89961
5204         * doc/gcov.texi: Document data_file.
5205         * gcov.c (generate_results): Add data_info into JSON output.
5206
5207 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5208
5209         PR tree-optimization/89725
5210         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5211         loop's chrec as invariant symbol.
5212         * tree-chrec.h (chrec_contains_symbols): New parameter.
5213         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5214         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5215         function of loops not in DDR's loop_nest.
5216         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5217
5218 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5219
5220         PR target/89623
5221         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5222         Mask.
5223
5224 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5225
5226         PR target/89945
5227         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5228         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5229
5230 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5231
5232         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5233         targetm.fixed_condition_code_regs.
5234
5235 2019-04-05  Richard Biener  <rguenther@suse.de>
5236
5237         PR debug/89892
5238         PR debug/89905
5239         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5240         debug bind stmts but reset them if they are not valid at the
5241         destination.
5242
5243 2019-04-05  Martin Liska  <mliska@suse.cz>
5244
5245         PR translation/89936
5246         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5247         order to wrap keywords or arguments.
5248         * collect2.c (main): Likewise.
5249         (scan_prog_file): Likewise.
5250         (scan_libraries): Likewise.
5251         * common/config/riscv/riscv-common.c
5252         (riscv_subset_list::parsing_subset_version): Likewise.
5253         (riscv_subset_list::parse_std_ext): Likewise.
5254         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5255         Likewise.
5256         * config/arm/arm.c (arm_option_override): Likewise.
5257         * config/cris/cris.c (cris_print_operand): Likewise.
5258         * config/darwin-c.c (darwin_pragma_options): Likewise.
5259         (darwin_pragma_unused): Likewise.
5260         (darwin_pragma_ms_struct): Likewise.
5261         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5262         * config/i386/i386.c (print_reg): Likewise.
5263         (ix86_print_operand): Likewise.
5264         * config/i386/xm-djgpp.h: Likewise.
5265         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5266         * config/m32c/m32c.c (m32c_option_override): Likewise.
5267         * config/msp430/msp430.c (msp430_option_override): Likewise.
5268         * config/nds32/nds32.c (nds32_option_override): Likewise.
5269         * config/nvptx/mkoffload.c (main): Likewise.
5270         * config/rx/rx.c (rx_print_operand): Likewise.
5271         (valid_psw_flag): Likewise.
5272         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5273         (vms_pragma_nomember_alignment): Likewise.
5274         (vms_pragma_extern_model): Likewise.
5275         * lto-wrapper.c (compile_offload_image): Likewise.
5276         * omp-offload.c (oacc_parse_default_dims): Likewise.
5277         * symtab.c (symtab_node::verify_base): Likewise.
5278         * tlink.c (recompile_files): Likewise.
5279         (start_tweaking): Likewise.
5280         * tree-profile.c (parse_profile_filter): Likewise.
5281
5282 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5283
5284         PR tree-optimization/89956
5285         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5286         multiple negates of the same value.
5287
5288 2019-04-04  Martin Sebor  <msebor@redhat.com>
5289
5290         PR middle-end/89957
5291         PR middle-end/89911
5292         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5293         have the same precision since the function crashes otherwise.
5294         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5295         has non-zero arguments.
5296
5297 2019-04-04  Martin Sebor  <msebor@redhat.com>
5298
5299         PR middle-end/89934
5300         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5301         out if the number of arguments is less than expected.
5302
5303 2019-04-04  Jeff Law  <law@redhat.com>
5304
5305         PR rtl-optimization/89399
5306         * ree.c (combine_set_extension): Use single_set rather than
5307         digging into PATTERN for items on the candidate list.
5308         (combine_reaching_defs): Likewise.
5309
5310 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5311
5312         PR rtl-optimization/46590
5313         * loop-invariant.c (find_defs): Move df_remove_problem and
5314         df_process_deferred_rescans to move_invariants.
5315         Move df_live_add_problem and df_live_set_all_dirty calls
5316         to move_invariants.
5317         (move_invariants): Likewise.
5318         (move_loop_invariants): Likewise, making the df_live calls
5319         conditional on -O.  Remove the problem again if we added it
5320         locally.
5321
5322 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5323
5324         PR tree-optimization/89730
5325         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5326         -flive-patching=inline-only-static.
5327         (can_inline_edge_by_limits_p): Add the checking for
5328         -flive-patching=inline-only-static and grant always_inline
5329         even when -flive-patching=inline-only-static is specified.
5330
5331 2019-04-03  Jeff Law  <law@redhat.com>
5332
5333         PR rtl-optimization/81025
5334         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5335
5336 2019-04-03  Richard Biener  <rguenther@suse.de>
5337
5338         PR tree-optimization/84101
5339         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5340         regs.h for hard_regno_nregs.
5341         (cfun_returns): New helper.
5342         (vect_model_store_cost): When vectorizing a store to a decl
5343         we return and the function ABI returns in a multi-reg location
5344         account for the possible spilling that will happen.
5345
5346 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5347
5348         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5349         displacement addresses for vector mode operands.
5350
5351 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5352
5353         * config/arc/arc.c (GMASK_LEN): Define.
5354         (arc_restore_callee_saves): Restore first blink when
5355         !optimize_size.
5356
5357 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5358
5359         * doc/extend.texi: Add deprecated comment on sign-return-address
5360         function attribute and add mbranch-protection.
5361         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5362
5363 2019-04-03  Richard Biener  <rguenther@suse.de>
5364
5365         PR lto/89896
5366         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5367         the all target phony.
5368
5369 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5370
5371         PR target/89902
5372         PR target/89903
5373         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5374         Return false for variable DImode shifts.
5375         (dimode_scalar_chain::compute_convert_gain): Do not handle
5376         register count operand in variable DImode shifts.
5377         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5378         count argument of a variable shift instruction to a vector register.
5379         (dimode_scalar_chain::convert_reg): Remove support to convert
5380         count argument of a variable shift instruction.
5381
5382 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5383
5384         PR rtl-optimization/84206
5385         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5386         iterating over loop headers.
5387
5388 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5389
5390         PR rtl-optimization/85876
5391         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5392         beyond the original fence.
5393
5394 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5395
5396         * config.gcc: Mark spu* targets as deprecated/obsolete.
5397
5398 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5399
5400         * config/s390/s390-builtin-types.def: New builtin function type
5401         definitions. Remove unused types.
5402         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5403         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5404         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5405         overloaded builtins.
5406         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5407         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5408         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5409         (vec_double, vec_signed, vec_unsigned): Define to use the new
5410         overloaded builtins.
5411         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5412         Remove expanders.
5413
5414 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5415
5416         * config/s390/s390-builtin-types.def: New builtin function type
5417         definitions.
5418         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5419         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5420         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5421         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5422         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5423         constant definitions.
5424         * config/s390/vecintrin.h (vec_search_string_cc)
5425         (vec_search_string_until_zero_cc): New builtin name definitions.
5426         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5427         expanders.
5428         ("vec_vstrs<mode>"): New insn definition.
5429
5430 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5431
5432         * config/s390/s390-builtin-types.def: Add new builtin function
5433         types.
5434         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5435         New overloaded builtins.
5436         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5437         s390_vsrd.
5438         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5439         (UNSPEC_VEC_SLDBYTE): ... this.
5440         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5441         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5442         definitions.
5443         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5444         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5445         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5446
5447 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5448
5449         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5450         New insn definition.
5451         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5452         * config/s390/vector.md (V_HW_HSD): ... here.
5453
5454 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5455
5456         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5457         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5458         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5459         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5460         New insn definitions.
5461
5462 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5463
5464         * config/s390/s390-builtin-types.def: Add new builtin function type.
5465         * config/s390/s390-builtins.def: Add overloaded builtin
5466         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5467         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5468         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5469         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5470         ("eltswap<mode>"): New expander.
5471         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5472         insn definitions.
5473
5474 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5475
5476         * config/s390/s390-builtin-types.def: Add new builtin function types.
5477         * config/s390/s390-builtins.def: Add overloaded builtin
5478         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5479         instructions.
5480         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5481         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5482         ("bswap<mode>"): New expander.
5483         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5484
5485 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5486
5487         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5488         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5489         vector builtin version number in __VEC__.
5490
5491 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5492
5493         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5494         iterators.
5495         (SFSI): New mode attribute.
5496         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5497         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5498         rename to ...
5499         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5500         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5501         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5502         ("floatsi<mode>2"): Add wcefb instruction.
5503
5504 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5505
5506         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5507         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5508         mode iterators.
5509         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5510         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5511         support 32 bit fp-int conversions. Rename to ...
5512         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5513         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5514         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5515         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5516         ... to these.
5517
5518 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5519
5520         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5521         if-then-else constructs if we can use the select instruction.
5522         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5523
5524 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5525
5526         * config/s390/s390.md ("*popcountdi_arch13_cc")
5527         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5528         definition.
5529         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5530         Append _z196 to make it ...
5531         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5532         ("popcounthi2_z196"): ... this.
5533         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5534         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5535
5536 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5537
5538         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5539         certain compares for arch13 in order to make use of the condition
5540         code result produced by the new instructions.
5541         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5542         nxrk, and nxgrk instruction patterns.
5543         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5544         (inv_no): Add new code iterator together with some attributes.
5545         ("*andc_split_<mode>"): Disable splitter for arch13.
5546         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5547         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5548         ("*<ANDOR:bitops_name>c<GPR:mode>")
5549         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5550         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5551         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5552         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5553
5554 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5555
5556         * common/config/s390/s390-common.c (processor_flags_table): New
5557         entry for arch13.
5558         * config.gcc: Support arch13 with the --with-arch= configure flag.
5559         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5560         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5561         * config/s390/s390.c (s390_get_sched_attrmask)
5562         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5563         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5564         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5565         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5566         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5567         definitions.
5568         * config/s390/s390.opt: Support arch13 as processor type in
5569         command line options.
5570
5571 2019-04-02  Martin Liska  <mliska@suse.cz>
5572
5573         PR translation/89912
5574         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5575         Fix param description of graphite-max-arrays-per-scop.
5576
5577 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5578
5579         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5580         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5581         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5582
5583 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5584
5585         PR rtl-optimization/85412
5586         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5587         sel_sched_region_1, not after.
5588
5589 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5590
5591         PR rtl-optimization/86928
5592         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5593         compute_live if necessary.
5594         (sel_redirect_edge_and_branch): Likewise.
5595
5596 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5597
5598         PR rtl-optimization/89865
5599         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5600         register if it is a part of small class.
5601
5602 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5603
5604         PR rtl-optimization/87273
5605         * sel-sched-ir.c (merge_fences): Remove assert.
5606
5607 2019-04-01  Richard Biener  <rguenther@suse.de>
5608
5609         PR tree-optimization/46590
5610         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5611         (dom_walker::m_reachability): Add in place of...
5612         (dom_walker::m_skip_unreachable_blocks): ...this.
5613         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5614         Move complex initialization ...
5615         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5616         lazily and initialize edge flags on each invocation.
5617         (dom_walker::bb_reachable): Use m_reachability.
5618
5619 2019-04-01  Martin Liska  <mliska@suse.cz>
5620
5621         PR driver/89861
5622         * opt-suggestions.c (option_proposer::build_option_suggestions):
5623         Add variant without any argument in order to provide better
5624         hints.
5625
5626 2019-04-01  Richard Biener  <rguenther@suse.de>
5627
5628         PR c/71598
5629         * gimple.c: Include langhooks.h.
5630         (gimple_get_alias_set): Treat enumeral types as the underlying
5631         integer type.
5632
5633 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5634             Eric Botcazou  <ebotcazou@adacore.com>
5635
5636         PR rtl-optimization/89862
5637         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5638         that operates on the full registers for WORD_REGISTER_OPERATIONS
5639         architectures.
5640
5641 2019-03-29  Jim Wilson  <jimw@sifive.com>
5642
5643         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5644         Clear MASK_RVC and then set if C subset supported.
5645
5646 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5647
5648         PR c/89872
5649         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5650         non-addressable complit into its initializer if it is volatile.
5651
5652 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5653
5654         * opts-common.c (integral_argument): Set errno properly in one case.
5655
5656 2019-03-29  Martin Liska  <mliska@suse.cz>
5657
5658         * doc/invoke.texi: Remove -Wchkp from documentation.
5659
5660 2019-03-29  Martin Liska  <mliska@suse.cz>
5661
5662         * dbgcnt.c (print_limit_reach): New function.
5663         (dbg_cnt): Use it.
5664
5665 2019-03-29  Martin Liska  <mliska@suse.cz>
5666
5667         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5668         (dbg_cnt_process_opt): Parse first tokens aas
5669         dbg_cnt_process_single_pair is also using strtok.
5670
5671 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5672
5673         PR rtl-optimization/87485
5674         * function.c (expand_function_end): Move stack_protect_epilogue
5675         before loading of return value into hard register(s).
5676
5677 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5678
5679         PR middle-end/89621
5680         * tree-inline.h (struct copy_body_data): Add
5681         dont_remap_vla_if_no_change flag.
5682         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5683         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5684         and remap_type_2 returns false.
5685         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5686         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5687         only from where it is copied to nested contexts.
5688
5689 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5690
5691         PR target/89865
5692         * config/i386/i386.md (RMW operation with LEA peephole):
5693         Use LEAMODE mode attribute instead of SWI mode iterator for
5694         LEA pattern.
5695
5696 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5697
5698         PR target/89848
5699         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5700         Also process XEXP (src, 0) of a shift insn.
5701
5702 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5703
5704         PR middle-end/89725
5705         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5706         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5707
5708 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5709
5710         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5711         test.
5712         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5713         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5714         immediately after first one with df_analyze in between, but rather
5715         process all bbs, queueing ones that need second pass in a worklist,
5716         df_analyze, process queued debug insn changes and if second pass is
5717         needed, process bbs from worklist, df_analyze, process queued debug
5718         insns again.
5719
5720         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5721         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5722         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5723
5724 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5725
5726         PR c/79022
5727         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5728         definition.
5729
5730 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5731
5732         PR target/85667
5733         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5734         function for 32-bit MS_ABI.
5735         (function_value_ms_32): New function.
5736
5737 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5738
5739         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5740         (movdi): Call gen_movdi_symbol_save_scc.
5741         (gen_movdi_symbol_save_scc): New insn and split.
5742
5743 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5744
5745         PR rtl-optimization/89313
5746         * function.c (matching_constraint_num): New static function.
5747         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5748         Don't replace inputs with non-matching constraints which conflict
5749         with early clobber outputs.
5750
5751 2019-03-27  Jeff Law  <law@redhat.com>
5752
5753
5754         PR rtl-optimization/87761
5755         PR rtl-optimization/89826
5756         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5757         slightly later.
5758         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5759         note problem to get REG_DEAD/REG_UNUSED notes updated.
5760
5761 2019-03-27  Richard Biener  <rguenther@suse.de>
5762
5763         PR tree-optimization/89463
5764         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5765         queue edges to remove.
5766         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5767         dead stmts.  Delay edge removal until PHIs are removed to
5768         make debug-stmt creation not confused by seemingly degenerate
5769         PHIs.
5770
5771 2019-03-27  Alan Modra  <amodra@gmail.com>
5772
5773         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5774         throughout file.
5775         * config/rs6000/darwin.h: Likewise.
5776         * config/rs6000/rs6000.c: Likewise.
5777
5778 2019-03-27  Alan Modra  <amodra@gmail.com>
5779
5780         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5781         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5782
5783 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5784             Jim Wilson  <jimw@sifive.com>
5785
5786         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5787         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5788         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5789         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5790         (generic_alu): Add auipc to type list.
5791         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5792         (riscv_microarchitecture): Declare.
5793         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5794         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5795         field.
5796         (riscv_microarchitecture): New.
5797         (sifive_7_tune_info): New.
5798         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5799         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5800         entries.
5801         (riscv_store_data_bypass_p): New.
5802         (riscv_option_override): Set riscv_microarchitecture from
5803         cpu->microarchitecture.
5804         * config/riscv/riscv.md: Include sifive-7.md.
5805         (type): Add auipc.
5806         (tune): New.
5807         (auipc<mode>): Change type to auipc.
5808         (restore_stack_nonlocal): New.
5809         * config/riscv/sifive-7.md: New.
5810         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5811
5812 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5813
5814         PR target/89827
5815         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5816         Also process XEXP (src, 0) of a shift insn.
5817
5818 2019-03-26  Richard Biener  <rguenther@suse.de>
5819
5820         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5821         (copy_debug_stmt): Likewise.
5822         (expand_call_inline): Likewise.
5823         (copy_bb): Avoid redundant lookup & set of gimple_block.
5824         * gimple-low.c (lower_gimple_return): Likewise.
5825         (lower_builtin_setjmp): Likewise.
5826
5827 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5828
5829         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5830         is constant 0, turn into static const data member initialized to false.
5831         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5832         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5833
5834 2019-03-26  Jason Merrill  <jason@redhat.com>
5835             Jakub Jelinek  <jakub@redhat.com>
5836
5837         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5838         method.
5839         (mem_alloc_description::release_object_overhead): Fix comment typos.
5840         * hash-table.h (hash_table::~hash_table): Call
5841         release_instance_overhead only if m_entries is non-NULL, otherwise
5842         call unregister_descriptor.
5843
5844 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5845
5846         PR tree-optimization/81740
5847         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5848         In case of outer loop vectorization, check for backward dependence
5849         at the inner loop if outer loop dependence is reversed.
5850
5851 2019-03-26  Alan Modra  <amodra@gmail.com>
5852
5853         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5854         rs6000_vector_mem init.  Correct wI and wJ comment.
5855
5856 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5857
5858         PR rtl-optimization/88347
5859         PR rtl-optimization/88423
5860         * sched-deps.c (sched_analyze_insn): Take into account that for
5861         tablejumps the barrier appears after a label and a jump_table_data.
5862
5863 2019-03-25  Martin Sebor  <msebor@redhat.com>
5864
5865         PR c/89812
5866         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5867         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5868         convert it to UHWI when it fits.
5869
5870 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5871
5872         PR debug/86964
5873         * dwarf2out.c (premark_used_variables): New function.
5874         (prune_unused_types_walk): Do not mark not premarked external
5875         variables.
5876         (prune_unused_types): Call premark_used_variables.
5877
5878 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5879
5880         PR rtl-optimization/89676
5881         * lra-constraints.c (curr_insn_transform): Do match reload for
5882         early clobbers when the match was successful only for different
5883         registers.
5884
5885 2019-03-25  Martin Sebor  <msebor@redhat.com>
5886
5887         * doc/extend.texi (Common Type Attributes): Document vector_size.
5888         (Common Variable Attributes): Mention size constraint.  Correct
5889         quoting and typos.
5890         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5891         base type and size constraints.
5892
5893 2019-03-25  Richard Biener  <rguenther@suse.de>
5894
5895         PR tree-optimization/89789
5896         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5897         changes from non-undefined back to undefined.
5898
5899 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5900
5901         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5902         heap string and a gc string, but since this variable is unknown to
5903         ggc the gc string might get reused and corrupted. Fixed by always
5904         using a heap string.
5905
5906 2019-03-25  Richard Biener  <rguenther@suse.de>
5907
5908         PR tree-optimization/89779
5909         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5910         to remove IV defs, delay actual removal.
5911         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5912         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5913         very end, properly also reset loop control IV information.
5914
5915 2019-03-25  Richard Biener  <rguenther@suse.de>
5916
5917         PR tree-optimization/89802
5918         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5919         move EH data to folded stmt.
5920
5921 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5922
5923         * config/s390/s390-builtin-types.def: Remove few unused types and
5924         fix sort order for others.
5925
5926 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5927
5928         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5929         expected and found types with -mdebug during builtin matching.
5930
5931 2019-03-25  Richard Biener  <rguenther@suse.de>
5932
5933         PR middle-end/89790
5934         * fold-const.c (operand_equal_p): Revert last change with
5935         updated comment.
5936
5937 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5938
5939         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5940         notes for the result of the __tls_get_addr calls.
5941         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5942
5943 2019-03-24  Jeff Law  <law@redhat.com>
5944
5945         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5946
5947         PR rtl-optimization/87761
5948         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5949         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5950         as needed.
5951         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5952         rescans.  Reprocess blocks as needed, calling df_analyze before
5953         reprocessing.  Always call df_analyze before fixing up debug bind
5954         insns.
5955
5956 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5957
5958         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5959         big endian.
5960
5961 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5962
5963         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5964         attrribute for uxtw.
5965
5966 2019-03-26  Jeff Law  <law@redhat.com>
5967
5968         PR rtl-optimization/87761
5969         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5970         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
5971         (mips_split_move): Accept new INSN argument.  Try to forward SRC
5972         into the next instruction.
5973         (mips_split_move_insn): Pass INSN through to mips_split_move.
5974
5975 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
5976
5977         PR rtl-optimization/89676
5978         * lra-constraints.c (curr_insn_transform): Do match reload for
5979         early clobbers even if the match was successful.
5980
5981 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5982
5983         PR c++/87481
5984         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
5985
5986 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
5987
5988         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
5989
5990 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
5991
5992         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
5993         <avx512>_fmsub_<mode>_mask3<round_name>,
5994         <avx512>_fnmadd_<mode>_mask3<round_name>,
5995         <avx512>_fnmsub_<mode>_mask3<round_name>,
5996         avx512f_vmfmadd_<mode>_mask3<round_name>,
5997         avx512f_vmfmsub_<mode>_mask3<round_name>,
5998         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
5999         instead of register_operand and %v instead of v for match_operand 1.
6000         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
6001         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
6002         <round_nimm_predicate> instead of register_operand and %v instead of v
6003         for match_operand 1.
6004
6005         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6006         <avx512>_fmadd_<mode>_mask3<round_name>,
6007         <avx512>_fmsub_<mode>_mask<round_name>,
6008         <avx512>_fmsub_<mode>_mask3<round_name>,
6009         <avx512>_fnmadd_<mode>_mask<round_name>,
6010         <avx512>_fnmadd_<mode>_mask3<round_name>,
6011         <avx512>_fnmsub_<mode>_mask<round_name>,
6012         <avx512>_fnmsub_<mode>_mask3<round_name>,
6013         <avx512>_fmaddsub_<mode>_mask<round_name>,
6014         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6015         <avx512>_fmsubadd_<mode>_mask<round_name>,
6016         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6017         <round_nimm_predicate> instead of nonimmediate_operand.
6018         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6019         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6020         Use register_operand instead of <round_nimm_predicate> for the
6021         operand that needs to match output.
6022         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6023         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6024         Likewise.  Formatting fixes.
6025
6026         PR target/89784
6027         * config/i386/i386.c (enum ix86_builtins): Remove
6028         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6029         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6030         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6031         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6032         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6033         __builtin_ia32_vfmsubss3_mask3): New builtins.
6034         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6035         avx512f_vmfmadd_<mode>_mask3<round_name>,
6036         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6037         *avx512f_vmfmsub_<mode>_mask<round_name>,
6038         avx512f_vmfmsub_<mode>_mask3<round_name>,
6039         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6040         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6041         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6042         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6043         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6044         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6045         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6046         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6047         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6048         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6049         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6050         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6051         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6052         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6053         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6054         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6055         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6056         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6057         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6058         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6059         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6060         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6061         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6062         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6063         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6064         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6065         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6066         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6067
6068 2019-03-21  Martin Sebor  <msebor@redhat.com>
6069
6070         PR tree-optimization/89350
6071         * builtins.c (compute_objsize): Also ignore offsets whose upper
6072         bound is negative.
6073         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6074         (builtin_memref::builtin_memref): Initialize new member.
6075         Allow EXPR to be null.
6076         (builtin_memref::extend_offset_range): Replace local with a member.
6077         Avoid assuming pointer offsets are unsigned.
6078         (builtin_memref::set_base_and_offset): Determine base object
6079         before computing offset range.
6080         (builtin_access::builtin_access): Handle memset.
6081         (builtin_access::generic_overlap): Replace local with a member.
6082         (builtin_access::strcat_overlap): Same.
6083         (builtin_access::overlap): Same.
6084         (maybe_diag_overlap): Same.
6085         (maybe_diag_access_bounds): Same.
6086         (wrestrict_dom_walker::check_call): Handle memset.
6087         (check_bounds_or_overlap): Same.
6088
6089 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6090             Jakub Jelinek  <jakub@redhat.com>
6091
6092         PR lto/89692
6093         * tree.c (fld_type_variant, fld_incomplete_type_of,
6094         fld_process_array_type): Call fld->pset.add and don't call
6095         add_tree_to_fld_list if it returns true.
6096         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6097         non-marked types from TYPE_NEXT_VARIANT list.
6098         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6099
6100 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6101
6102         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6103         to false, if true, don't alloc_entries during construction, but defer
6104         it to the first method that needs m_entries allocated.
6105         (hash_table::hash_table, hash_table::~hash_table,
6106         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6107         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6108         hash_table::clear_slot, hash_table::traverse_noresize,
6109         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6110         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6111         false.
6112         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6113         NO_INSERT instead of find_with_hash.
6114         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6115         hash_set::m_table): Add Lazy to template params of hash_table.
6116         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6117         * attribs.c (test_attribute_exclusions): Likewise.
6118         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6119         hash_set.  Add tests for hash_set with Lazy = true.
6120
6121 2019-03-21  Richard Biener  <rguenther@suse.de>
6122
6123         PR tree-optimization/89779
6124         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6125         checks with respect to released SSA names now having error_mark_node
6126         type.
6127         * fold-const.c (operand_equal_p): Likewise.
6128
6129 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6130
6131         PR target/89775
6132         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6133         available to ...
6134         (s390_optimize_register_info): Use global_not_special_regno_p to
6135         check for global regs.
6136
6137 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6138
6139         PR target/89752
6140         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6141         update this_alternative nor this_alternative_set.
6142
6143 2019-03-19  Jim Wilson  <jimw@sifive.com>
6144
6145         PR target/89411
6146         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6147         align, size, offset.  Use them to handle a BLKmode reference.  Update
6148         comment.
6149         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6150
6151 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6152
6153         PR rtl-optimization/89768
6154         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6155         instead of GEN_INT.
6156         (unroll_loop_runtime_iterations): Likewise.
6157
6158 2019-03-19  Martin Sebor  <msebor@redhat.com>
6159
6160         PR tree-optimization/89644
6161         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6162         rather than endptr as an indicator of nul-termination.
6163
6164         PR tree-optimization/89644
6165         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6166         arrays in determining sequence sizes in strncpy and stpncpy.
6167
6168 2019-03-19  Martin Liska  <mliska@suse.cz>
6169
6170         PR middle-end/89737
6171         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6172         unlikely_edges if there's an edge that belongs to both these sets.
6173
6174 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6175
6176         PR target/89746
6177         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6178         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6179         go via a stack temporary.
6180
6181 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6182
6183         PR target/89378
6184         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6185         instead of gen_rtx_SUBREG.
6186         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6187
6188 2019-03-19  Richard Biener  <rguenther@suse.de>
6189
6190         PR debug/88389
6191         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6192
6193 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6194
6195         PR lto/87809
6196         PR lto/89335
6197         * tree.c (free_lang_data_in_decl): Do not free context of C++
6198         destrutors.
6199
6200 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6201
6202         PR target/89506
6203         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6204         subs for the first alternative except when operands[3] is 1.
6205
6206         PR target/89752
6207         * gimplify.c (gimplify_asm_expr): For output argument with
6208         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6209         diagnose error.
6210
6211 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6212
6213         PR rtl-optimization/89753
6214         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6215         explicit unrolling factor even more robust.
6216
6217 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6218
6219         PR target/89726
6220         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6221         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6222         signed zeros, do another copysign after the compensation.
6223
6224 2019-03-18  Martin Sebor  <msebor@redhat.com>
6225
6226         PR tree-optimization/89720
6227         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6228         more conservatively, the same as anti-range.
6229
6230 2019-03-18  Richard Biener  <rguenther@suse.de>
6231
6232         PR middle-end/88945
6233         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6234         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6235         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6236         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6237
6238 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6239
6240         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6241         Extend queue to 1024 entries.
6242         Add "consumed" field.
6243         (gomp_print_output): Remove print_index parameter.
6244         Add final parameter.
6245         Change limit to unsigned.
6246         Use consumed field to implement circular buffer.
6247         Detect interrupted print in final pass.
6248         Flush output at the end.
6249         (run): Update gomp_print_output usage.
6250         (main): Initialize kernargs->output_data.consumed.
6251
6252 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6253
6254         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6255         calculation of the minimum number of scalar iterations for
6256         fully-predicated loops.
6257
6258 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6259
6260         PR tree-optimization/89546
6261         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6262         any propagation to its children took place.
6263
6264 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6265
6266         PR target/89627
6267         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6268         parameter, and make use of it.
6269         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6270
6271 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6272
6273         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6274         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6275         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6276         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6277         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6278         match what the ops is doing.
6279         (push_multi_fp_blink): Likewise.
6280         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6281         compiling for size and elf target.
6282         (arc_save_callee_enter): Adjust note to match what enter/leave
6283         operation does.
6284
6285 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6286
6287         * config/arc/arc.md (tst_movb): Fix constraint.
6288
6289 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6290
6291         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6292
6293 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6294
6295         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6296         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6297         reg_alloc_order references.
6298         (size_alloc_order): Define.
6299         (arc_adjust_reg_alloc_order): New function.
6300         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6301         order.
6302         (ADJUST_REG_ALLOC_ORDER): Define.
6303         (HONOR_REG_ALLOC_ORDER): Likewise.
6304
6305 2019-03-18  Richard Biener  <rguenther@suse.de>
6306
6307         PR target/87561
6308         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6309         loads and stores a bit more.
6310
6311 2019-03-18  Richard Biener  <rguenther@suse.de>
6312
6313         PR target/87561
6314         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6315         load pessimization to stores as well.
6316
6317 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6318
6319         PR middle-end/86979
6320         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6321         successor, use NULL as its av set.
6322
6323 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6324
6325         PR rtl-optimization/89721
6326         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6327
6328 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6329
6330         PR target/87532
6331         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6332         When handling vec_extract, use modular arithmetic to allow
6333         constant selectors greater than vector length.
6334         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6335         V1TImode vectors to have constant selector values greater than 0.
6336         Use modular arithmetic to compute vector index.
6337         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6338         index for in-memory vectors.  Correct code generation for
6339         in-register vectors.
6340         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6341         compute index.
6342
6343 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6344
6345         PR c++/88534
6346         PR c++/88537
6347         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6348         VAR_DECL args.
6349
6350 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6351
6352         PR c++/89709
6353         * tree.c (inchash::add_expr): Strip any location wrappers.
6354         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6355         after hash verification.
6356
6357         PR debug/89704
6358         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6359         SIGN_EXTEND and ZERO_EXTEND.
6360
6361 2019-03-14  Jason Merrill  <jason@redhat.com>
6362             Jakub Jelinek  <jakub@redhat.com>
6363
6364         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6365         than if is_empty (*slot).
6366         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6367         existing elt and for elt removal.
6368         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6369         of already removed elt.
6370
6371 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6372
6373         PR target/89650
6374         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6375         REG_EH_REGION note.
6376
6377 2019-03-14  Martin Liska  <mliska@suse.cz>
6378
6379         PR other/89712
6380         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6381
6382 2019-03-14  Richard Biener  <rguenther@suse.de>
6383
6384         PR target/89711
6385         * config/i386/i386.c (make_resolver_func): Properly set
6386         DECL_CONTEXT on the RESULT_DECL.
6387         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6388
6389 2019-03-14  Richard Biener  <rguenther@suse.de>
6390
6391         * gimple-pretty-print.c: Include cfgloop.h.
6392         (dump_gimple_phi): Adjust.
6393         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6394         (pp_cfg_jump): Adjust.
6395         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6396         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6397         (lower_phi_internal_fn): Remove.
6398         (verify_gimple_call): Remove IFN_PHI special-casing.
6399         (dump_function_to_file): Dump IL state.
6400         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6401         done to deal with PHI nodes being present in non-SSA state.
6402
6403 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6404
6405         PR ipa/89684
6406         * multiple_target.c (create_dispatcher_calls): Change
6407         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6408         In the node->iterate_referring loop, push *ref rather than ref, call
6409         ref->remove_reference () and always pass 0 to iterate_referring.
6410
6411         PR rtl-optimization/89679
6412         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6413         would contain a paradoxical SUBREG.
6414
6415 2019-03-14  Richard Biener  <rguenther@suse.de>
6416
6417         PR tree-optimization/89710
6418         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6419         safe_dyn_cast.
6420
6421 2019-03-14  Martin Liska  <mliska@suse.cz>
6422
6423         * coverage.c (coverage_begin_function): Stream also
6424         end_column.
6425         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6426         documentation about function declaration location.
6427         * gcov-dump.c (tag_function): Print whole range
6428         of function declaration.
6429         * gcov.c (struct function_info): Add end_column field.
6430         (function_info::function_info): Initialize it.
6431         (output_json_intermediate_file): Output {start,end}_column
6432         fields.
6433         (read_graph_file): Read end_column.
6434
6435 2019-03-14  Richard Biener  <rguenther@suse.de>
6436
6437         PR middle-end/89698
6438         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6439         that the access types are similar.
6440
6441 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6442
6443         PR tree-optimization/89703
6444         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6445         aren't compatible also with builtin_decl_explicit.  Check pure
6446         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6447         and BUILT_IN_STPNCPY{,_CHK}.
6448
6449 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6450
6451         PR target/89523
6452         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6453         addr32 prefix to VSIB address for X32.
6454         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6455         "%M2" to opcode.
6456         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6457         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6458         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6459         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6460         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6461         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6462         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6463         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6464         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6465         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6466         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6467         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6468         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6469         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6470         (*avx512f_scatterdi<mode>): Likewise.
6471
6472 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6473
6474         PR target/85860
6475         * lra-constraints.c (inherit_in_ebb): Update
6476         potential_reload_hard_regs along with live_hard_regs.
6477
6478 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6479
6480         PR debug/89498
6481         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6482         DWARF_OFFSET_SIZE.
6483         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6484
6485 2019-03-13  Martin Sebor  <msebor@redhat.com>
6486
6487         PR tree-optimization/89662
6488         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6489         has a size.
6490
6491 2019-03-13  Richard Biener  <rguenther@suse.de>
6492
6493         PR middle-end/89677
6494         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6495         throw FP expressions at tree-affine.
6496
6497 2019-03-14  Richard Biener  <rguenther@suse.de>
6498
6499         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6500         dump negative integer constants using _Literal (type) -num.
6501
6502 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6503
6504         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6505         nonlocal_value member.
6506
6507         PR middle-end/88588
6508         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6509         (ipa_simd_modify_function_body): Handle PHIs.
6510
6511 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6512
6513         * config/s390/s390.c (s390_option_override_internal): Use more
6514         aggressive inlining parameters.
6515
6516 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6517
6518         * config/s390/3906.md: New file.
6519         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6520         (LONGRUNNING_THRESHOLD): Remove.
6521         (MAX_SCHED_MIX_SCORE): Decrease.
6522         (MAX_SCHED_MIX_DISTANCE): Decrease.
6523         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6524         (struct s390_sched_state): New struct to hold scheduling state.
6525         (S390_SCHED_STATE_NORMAL): Remove.
6526         (S390_SCHED_STATE_CRACKED): Remove.
6527         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6528         (s390_get_sched_attrmask): Use new attribute.
6529         (s390_get_unit_mask): Use new units.
6530         (s390_is_fpd): New function.
6531         (s390_is_fxd): New function.
6532         (s390_is_longrunning): New function.
6533         (s390_sched_score): Use new functions.
6534         (s390_sched_reorder): Likewise.
6535         (s390_sched_variable_issue): Rework and use new functions.
6536         (s390_sched_init): Use new functions.
6537         * config/s390/s390.h (s390_tune_attr):  Add z14.
6538         * config/s390/s390.md: Add z14.
6539
6540 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6541
6542         * config/s390/2964.md: Update pipeline description.
6543         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6544         (LONGRUNNING_THRESHOLD): Remove.
6545         (LATENCY_FACTOR): Remove.
6546         (s390_get_unit_mask): Add unit.
6547         (s390_sched_score): Use fxd/fpd.
6548         (s390_sched_variable_issue): Use fxd/fpd.
6549
6550 2019-03-12  Martin Liska  <mliska@suse.cz>
6551
6552         * config/i386/i386.c: Reword an error message.
6553
6554 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6555
6556         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6557         terminate with newline.
6558
6559 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6560
6561         PR target/52726
6562         * config/s390/s390.md (tabort): Use %wd instead of
6563         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6564         letters and periods.
6565         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6566         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6567         's with %< and %>.
6568
6569         PR middle-end/89663
6570         * builtins.c (expand_builtin_int_roundingfn,
6571         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6572         gcc_unreachable if validate_arglist fails.
6573
6574 2019-03-12  Richard Biener  <rguenther@suse.de>
6575
6576         PR tree-optimization/89664
6577         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6578         free the occurance tree after the early out.
6579
6580 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6581
6582         PR middle-end/89655
6583         PR bootstrap/89656
6584         * vr-values.c (vr_values::update_value_range): If
6585         old_vr->varying_p (), don't update it, make new_vr also VARYING
6586         and return false.
6587
6588 2019-03-11  Martin Liska  <mliska@suse.cz>
6589
6590         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6591         Fix double string quoting.
6592
6593 2019-03-11  Martin Liska  <mliska@suse.cz>
6594
6595         * collect-utils.c (collect_wait): Wrap apostrophes
6596         in gcc internal format with %'.
6597         * collect2.c (main): Likewise.
6598         (scan_prog_file): Likewise.
6599         (scan_libraries): Likewise.
6600         * config/i386/i386.c (ix86_expand_call): Likewise.
6601         (ix86_handle_interrupt_attribute): Likewise.
6602         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6603         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6604         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6605         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6606         * symtab.c (symtab_node::verify_base): Likewise.
6607         * tree-cfg.c (verify_gimple_label): Likewise.
6608         * tree.c (verify_type_variant): Likewise.
6609
6610 2019-03-11  Martin Liska  <mliska@suse.cz>
6611
6612         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6613         in a string format message and fix GNU coding style.
6614         (expand_builtin_set_thread_pointer): Likewise.
6615         * common/config/aarch64/aarch64-common.c
6616         (aarch64_rewrite_selected_cpu): Likewise.
6617         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6618         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6619         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6620         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6621         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6622         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6623         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6624         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6625         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6626         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6627         Likewise.
6628         * common/config/riscv/riscv-common.c
6629         (riscv_subset_list::parsing_subset_version): Likewise.
6630         (riscv_subset_list::parse_std_ext): Likewise.
6631         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6632         (riscv_subset_list::parse): Likewise.
6633         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6634         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6635         (aarch64_override_options_internal): Likewise.
6636         (aarch64_validate_mcpu): Likewise.
6637         (aarch64_validate_march): Likewise.
6638         (aarch64_validate_mtune): Likewise.
6639         (aarch64_override_options): Likewise.
6640         * config/alpha/alpha.c (alpha_option_override): Likewise.
6641         * config/arc/arc.c (arc_init): Likewise.
6642         (parse_mrgf_banked_regs_option): Likewise.
6643         (arc_override_options): Likewise.
6644         (arc_expand_builtin_aligned): Likewise.
6645         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6646         (arm_expand_builtin): Likewise.
6647         * config/arm/arm.c (arm_option_check_internal): Likewise.
6648         (arm_configure_build_target): Likewise.
6649         (arm_option_override): Likewise.
6650         (arm_options_perform_arch_sanity_checks): Likewise.
6651         (arm_handle_cmse_nonsecure_entry): Likewise.
6652         (arm_handle_cmse_nonsecure_call): Likewise.
6653         (arm_tls_referenced_p): Likewise.
6654         (thumb1_expand_prologue): Likewise.
6655         * config/avr/avr.c (avr_option_override): Likewise.
6656         * config/bfin/bfin.c (bfin_option_override): Likewise.
6657         * config/c6x/c6x.c (c6x_option_override): Likewise.
6658         * config/cr16/cr16.c (cr16_override_options): Likewise.
6659         * config/cris/cris.c (cris_option_override): Likewise.
6660         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6661         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6662         * config/darwin.c (darwin_override_options): Likewise.
6663         * config/frv/frv.c (frv_expand_builtin): Likewise.
6664         * config/h8300/h8300.c (h8300_option_override): Likewise.
6665         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6666         (ix86_option_override_internal): Likewise.
6667         (warn_once_call_ms2sysv_xlogues): Likewise.
6668         (ix86_expand_prologue): Likewise.
6669         (split_stack_prologue_scratch_regno): Likewise.
6670         (ix86_warn_parameter_passing_abi): Likewise.
6671         * config/ia64/ia64.c (fix_range): Likewise.
6672         * config/m68k/m68k.c (m68k_option_override): Likewise.
6673         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6674         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6675         (mips_set_compression_mode): Likewise.
6676         * config/mmix/mmix.c (mmix_option_override): Likewise.
6677         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6678         * config/msp430/msp430.c (msp430_option_override): Likewise.
6679         * config/nds32/nds32.c (nds32_option_override): Likewise.
6680         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6681         (nios2_option_override): Likewise.
6682         (nios2_expand_custom_builtin): Likewise.
6683         * config/nvptx/mkoffload.c (main): Likewise.
6684         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6685         * config/pa/pa.c (fix_range): Likewise.
6686         (pa_option_override): Likewise.
6687         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6688         (riscv_option_override): Likewise.
6689         * config/rl78/rl78.c (rl78_option_override): Likewise.
6690         * config/rs6000/aix61.h: Likewise.
6691         * config/rs6000/aix71.h: Likewise.
6692         * config/rs6000/aix72.h: Likewise.
6693         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6694         * config/rs6000/freebsd64.h: Likewise.
6695         * config/rs6000/linux64.h: Likewise.
6696         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6697         (rs6000_expand_zeroop_builtin): Likewise.
6698         (rs6000_expand_mtfsb_builtin): Likewise.
6699         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6700         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6701         (rs6000_invalid_builtin): Likewise.
6702         (rs6000_expand_split_stack_prologue): Likewise.
6703         * config/rs6000/rtems.h: Likewise.
6704         * config/rx/rx.c (valid_psw_flag): Likewise.
6705         (rx_expand_builtin): Likewise.
6706         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6707         * config/s390/s390.c (s390_expand_builtin): Likewise.
6708         (s390_function_profiler): Likewise.
6709         (s390_option_override_internal): Likewise.
6710         (s390_option_override): Likewise.
6711         * config/sh/sh.c (sh_option_override): Likewise.
6712         (sh_builtin_saveregs): Likewise.
6713         (sh_fix_range): Likewise.
6714         * config/sh/vxworks.h: Likewise.
6715         * config/sparc/sparc.c (sparc_option_override): Likewise.
6716         * config/spu/spu.c (spu_option_override): Likewise.
6717         (fix_range): Likewise.
6718         * config/visium/visium.c (visium_option_override): Likewise.
6719         (visium_handle_interrupt_attr): Likewise.
6720         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6721         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6722         (dbg_cnt_process_opt): Likewise.
6723         * dwarf2out.c (output_dwarf_version): Likewise.
6724         * except.c (expand_eh_return): Likewise.
6725         * gcc.c (defined): Likewise.
6726         (driver_handle_option): Likewise.
6727         (process_command): Likewise.
6728         (compare_files): Likewise.
6729         (driver::prepare_infiles): Likewise.
6730         (driver::do_spec_on_infiles): Likewise.
6731         (driver::maybe_run_linker): Likewise.
6732         * omp-offload.c (oacc_parse_default_dims): Likewise.
6733         * opts-global.c (handle_common_deferred_options): Likewise.
6734         * opts.c (parse_sanitizer_options): Likewise.
6735         (common_handle_option): Likewise.
6736         (enable_warning_as_error): Likewise.
6737         * passes.c (enable_disable_pass): Likewise.
6738         * plugin.c (parse_plugin_arg_opt): Likewise.
6739         (default_plugin_dir_name): Likewise.
6740         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6741         (default_pch_valid_p): Likewise.
6742         * toplev.c (init_asm_output): Likewise.
6743         (process_options): Likewise.
6744         (toplev::run_self_tests): Likewise.
6745         * tree-cfg.c (verify_gimple_call): Likewise.
6746         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6747         (tree_inlinable_function_p): Likewise.
6748         * var-tracking.c (vt_find_locations): Likewise.
6749
6750 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6751
6752         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6753         only on the else branch.
6754
6755 2019-03-11  Martin Liska  <mliska@suse.cz>
6756
6757         * gcov.c (output_intermediate_json_line): Print function
6758         name of each line.
6759         (output_json_intermediate_file): Add new argument.
6760         * doc/gcov.texi: Document the change.
6761
6762 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6763
6764         PR rtl-optimization/89588
6765         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6766         explicit unrolling factor more robust.
6767
6768 2019-03-11  Richard Biener  <rguenther@suse.de>
6769
6770         PR tree-optimization/89649
6771         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6772         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6773         on the prolog and epilog loops.
6774         (vect_loop_versioning): Return copy of loop.
6775         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6776         on the non-vectorized version of the loop.
6777
6778 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6779
6780         PR target/68924
6781         * config/i386/sse.md (*vec_extractv2di_0_sse):
6782         Add (=r,x) alternative and corresponding splitter.
6783
6784 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6785
6786         PR tree-optimization/85762
6787         PR tree-optimization/87008
6788         PR tree-optimization/85459
6789         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6790         it points to if there is a type changing MEM_REF.  Adjust all callers.
6791         (build_accesses_from_assign): Disable total scalarization if
6792         contains_vce_or_bfcref_p returns true through the new parameter, for
6793         both rhs and lhs.
6794
6795 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6796
6797         PR c/88568
6798         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6799         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6800
6801         PR target/79645
6802         * common.opt (fdiagnostics-show-labels,
6803         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6804         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6805         gas-locview-support, ginline-points, ginternal-reset-location-views):
6806         Terminate description text with a dot.
6807         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6808         * config/mcore/mcore.opt (m210, m340): Likewise.
6809         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6810         mnops=): Start description text with a capital letter.
6811         * config/arc/arc.opt (msize-level=): Likewise.
6812         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6813         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6814         mnewlib): Likewise.
6815         * config/ft32/ft32.opt (msim): Likewise.
6816         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6817         (mnodiv, mnopm): Terminate description text with a dot.
6818         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6819         a colon.
6820         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6821         Likewise.
6822         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6823         text.
6824
6825         PR rtl-optimization/89634
6826         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6827         are modified in BB_END (e->src) instruction.
6828
6829 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6830
6831         PR target/79926
6832         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6833         messages more amenable to translation, and improve wording.
6834
6835 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6836
6837         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6838         ud- and du-chains between phases.
6839
6840 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6841
6842         PR debug/89631
6843         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6844         instead of POLY_INT_CST.
6845
6846 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6847
6848         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6849         requirement.
6850
6851 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6852
6853         PR target/68924
6854         PR target/78782
6855         PR target/87558
6856         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6857         (_mm_storeu_si64): Ditto.
6858
6859 2019-03-08  Martin Liska  <mliska@suse.cz>
6860
6861         PR target/86952
6862         * config/i386/i386.c (ix86_option_override_internal): Disable
6863         jump tables when retpolines are used.
6864
6865 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6866
6867         PR go/63560
6868         * ipa-split.c (execute_split_functions): Do not split
6869         'noinline' or 'section' function.
6870
6871 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6872
6873         PR target/79846
6874         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6875         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6876         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6877
6878         PR ipa/80000
6879         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6880         from diagnostics.  Formatting fixes.
6881
6882         PR target/85665
6883         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6884         warn_odr diagnostics.
6885
6886         PR other/80058
6887         * lra-constraints.c (process_alt_operands): Avoid one space before
6888         " at the end of line and another after " on another line in a string
6889         literal.
6890         * attribs.c (handle_dll_attribute): Likewise.
6891         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6892
6893         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6894         warning_at or inform messages in G_() if there is no ?:.
6895
6896         PR tree-optimization/89550
6897         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6898         returned true.  Formatting fixes.
6899         (expand_builtin_strnlen): Formatting fixes.
6900         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6901         if warning_at returned true.
6902         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6903
6904 2019-03-08  Richard Biener  <rguenther@suse.de>
6905
6906         PR middle-end/89578
6907         * cfgloop.h (struct loop): Add owned_clique field.
6908         * cfgloopmanip.c (copy_loop_info): Copy it.
6909         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6910         cliques.
6911         * tree-inline.c (copy_loops): Remap owned_clique.
6912         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6913         * lto-streamer-out.c (output_cfg): Likewise.
6914
6915 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6916
6917         PR target/80190
6918         * config/darwin.c: Include intl.h.
6919         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6920         composing the message out of two separate parts.
6921
6922 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6923
6924         PR target/80003
6925         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6926         doesn't start with a capital letter and doesn't end with a dot.
6927         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6928         with a capital letter.
6929         (ix86_mangle_function_version_assembler_name): Likewise.
6930         (ix86_generate_version_dispatcher_body): Likewise.
6931         (fold_builtin_cpu): Likewise.
6932         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6933         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6934         translators, wrap full type name in %qs.
6935
6936         PR translation/79999
6937         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6938         depend clause with source (or sink) modifier.
6939         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6940
6941         PR target/89602
6942         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6943         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6944         (avx512f_load<mode>_mask): New define_expand.
6945         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6946         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6947         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6948         __builtin_ia32_movess_mask): New builtins.
6949         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6950         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6951         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6952         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6953
6954 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6955
6956         PR lto/87525
6957         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6958         for extern inline functions.
6959
6960 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6961
6962         PR ipa/88235
6963         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6964         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6965         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6966         have multiple callees.  At the end check if declarations match as
6967         opposed to cgraph_nodes.
6968
6969 2019-03-07  Martin Liska  <mliska@suse.cz>
6970
6971         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
6972         which is equivalent to searching for this in clones chain.
6973         * symtab.c (symtab_node::verify_base): Similarly compare ASM
6974         names with a neighbour and special case first node in a chain.
6975
6976 2019-01-25  Jason Merrill  <jason@redhat.com>
6977
6978         PR c++/80916 - spurious "static but not defined" warning.
6979         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
6980         for an internal symbol with DECL_EXTERNAL.
6981
6982 2019-04-07  Richard Biener  <rguenther@suse.de>
6983
6984         PR middle-end/89618
6985         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
6986         * tree-inline.c (copy_loops): Simplify.
6987
6988 2019-03-07  Martin Liska  <mliska@suse.cz>
6989
6990         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
6991
6992 2019-03-07  Richard Biener  <rguenther@suse.de>
6993
6994         PR tree-optimization/89595
6995         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
6996         stmt iterator as reference, take boolean output parameter to
6997         indicate whether the stmt was removed and thus the iterator
6998         already advanced.
6999         (dom_opt_dom_walker::before_dom_children): Re-iterate over
7000         stmts created by folding.
7001
7002 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7003
7004         PR c++/89585
7005         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7006         at toplevel.
7007
7008 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7009
7010         PR rtl-optimization/88845
7011         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7012         LRA.
7013         * lra.c (remove_scratches_1): New function.
7014         (remove_scratches): Use it.
7015         (lra_emit_move): Likewise.
7016
7017 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7018
7019         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7020         unaligned_access variable.
7021         * config/arc/arc.c (arc_override_options): Set unaligned access
7022         default on for HS CPUs.
7023         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7024
7025 2019-03-06  Martin Liska  <mliska@suse.cz>
7026
7027         PR gcov-profile/89577
7028         * doc/gcov.texi: Prefer to use --coverage.
7029         * doc/sourcebuild.texi: Likewise.
7030
7031 2019-03-02  Jason Merrill  <jason@redhat.com>
7032
7033         PR c++/86485 - -Wmaybe-unused with empty class ?:
7034         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7035
7036 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7037
7038         PR target/89587
7039         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7040         if_multiarch.
7041
7042         PR middle-end/89590
7043         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7044         exactly one argument.
7045
7046 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7047             Richard Sandiford  <richard.sandiford@arm.com>
7048
7049         PR tree-optimization/89570
7050         * match.pd (vec_cond into cond_op simplification): Don't use
7051         get_conditional_internal_fn, use as_internal_fn (cond_op).
7052
7053 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7054
7055         PR target/89222
7056         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7057         to decide when to split off a non-zero offset from a symbol.
7058         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7059         in function symbols.
7060
7061 2019-03-05  Richard Biener  <rguenther@suse.de>
7062
7063         PR tree-optimization/89594
7064         * tree-if-conv.c (pass_if_conversion::execute): Handle
7065         case where .LOOP_VECTORIZED_FUNCTION was removed.
7066
7067 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7068
7069         PR bootstrap/89560
7070         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7071         instead alloca it only when needed with the needed size.
7072
7073         PR tree-optimization/89570
7074         * match.pd (vec_cond into cond_op simplification): Guard with
7075         vectorized_internal_fn_supported_p test and #if GIMPLE.
7076
7077         PR tree-optimization/89566
7078         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7079         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7080         Punt if get_user_idx_format succeeds, but idx_format argument is
7081         not provided or doesn't have pointer type, or if idx_args is above
7082         number of provided arguments.
7083
7084 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7085
7086         PR tree-optimization/89437
7087         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7088
7089 2019-03-04  Richard Biener  <rguenther@suse.de>
7090
7091         PR middle-end/89572
7092         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7093         safe_dyn_cast.
7094
7095 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7096
7097         PR tree-optimization/89487
7098         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7099         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7100         (distribute_loop): Don't do runtime alias check if there is non-
7101         addressable data reference.
7102         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7103         is a register variable.
7104
7105 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7106
7107         PR target/89506
7108         * config/arm/arm.md (cmpsi2_addneg): Use
7109         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7110         If operands[2] is 0 or INT_MIN, force use of subs.
7111         (*compare_scc splitter): Use gen_int_mode.
7112         (*negscc): Likewise.
7113         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7114
7115 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7116             Monk Chiang  <sh.chiang04@gmail.com>
7117
7118         * common/config/riscv/riscv-common.c: Include sstream.
7119         (riscv_subset_list::to_string): New.
7120         (riscv_arch_str): Likewise.
7121         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7122         * config.in: Regen.
7123         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7124         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7125         (riscv_emit_attribute): New.
7126         (riscv_file_start): Emit attribute if needed.
7127         (riscv_option_override): Init riscv_emit_attribute_p.
7128         * config/riscv/riscv.opt (mriscv-attribute): New option.
7129         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7130         * configure: Regen.
7131         * doc/install.texi: Document --with-riscv-attribute.
7132         * doc/invoke.texi: Document -mriscv-attribute.
7133
7134         * common/config/riscv/riscv-common.c:
7135         Include config/riscv/riscv-protos.h.
7136         (INCLUDE_STRING): Defined.
7137         (RISCV_DONT_CARE_VERSION): Defined.
7138         (riscv_subset_t): Declare.
7139         (riscv_subset_t::riscv_subset_t): New.
7140         (riscv_subset_list): Declare.
7141         (riscv_subset_list::riscv_subset_list): New.
7142         (riscv_subset_list::~riscv_subset_list): Likewise.
7143         (riscv_subset_list::parsing_subset_version): Likewise.
7144         (riscv_subset_list::parse_std_ext): Likewise.
7145         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7146         (riscv_subset_list::add): Likewise.
7147         (riscv_subset_list::lookup): Likewise.
7148         (riscv_subset_list::xlen): Likewise.
7149         (riscv_subset_list::parse): Likewise.
7150         (riscv_supported_std_ext): Likewise.
7151         (current_subset_list): Likewise.
7152         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7153         parse.
7154
7155 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7156
7157         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7158         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7159         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7160
7161 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7162
7163         PR rtl-optimization/85899
7164         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7165         fallthru edges leading to the exit block.
7166
7167 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7168
7169         PR target/89517
7170         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7171         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7172
7173 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7174
7175         PR tree-optimization/89535
7176         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7177         for each operand.  Calculate the fallback choice for mask operands
7178         and pass it to vect_get_vec_def_for_operand.
7179
7180 2019-03-01  Richard Biener  <rguenther@suse.de>
7181
7182         PR middle-end/89541
7183         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7184         get virtual operands.
7185         (get_expr_operands): Handle CONST_DECL like other decls.
7186
7187 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7188
7189         PR middle-end/89503
7190         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7191         on DECL_P and EXPR_P.
7192
7193 2019-03-01  Richard Biener  <rguenther@suse.de>
7194
7195         PR middle-end/89497
7196         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7197         argument, defaulted to zero.
7198         * passes.c (execute_function_todo): Pass down SSA update flags
7199         to cleanup_tree_cfg.
7200         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7201         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7202         form if requested.
7203         (cleanup_tree_cfg): Get and pass down SSA update flags.
7204
7205 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7206
7207         PR bootstrap/89539
7208         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7209         early_lto_debug argument.
7210
7211 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7212
7213         PR tree-optimization/89536
7214         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7215         only whether bit #0 of the value is 0 instead of the entire value.
7216
7217 2019-02-28  Marek Polacek  <polacek@redhat.com>
7218
7219         PR c++/87068 - missing diagnostic with fallthrough statement.
7220         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7221         at the end of a seq, save its location to walk_stmt_info.
7222         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7223         a switch.
7224
7225 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7226
7227         PR lto/88585
7228         * tree.c (find_atomic_core_type): Move ahead in file.
7229         (check_base_type): Correctly compare alignments of atomic types.
7230
7231 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7232
7233         PR target/89455
7234         * config/i386/i386.c (get_builtin_code_for_version): Identify
7235         Westmere from PCLMUL, instead of AES.
7236
7237 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7238
7239         PR target/89434
7240         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7241         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7242         -UINTVAL (...).
7243
7244 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7245
7246         PR target/88530
7247         * config/aarch64/aarch64-option-extensions.def: Document it.
7248         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7249         if empty hwcaps.
7250
7251 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7252
7253         PR c/89520
7254         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7255         builtins if they don't have a single scalar floating point argument.
7256         Formatting fixes.
7257
7258 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7259
7260         PR rtl-optimization/89490
7261         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7262         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7263         block section is not mergeable.
7264
7265 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7266
7267         PR target/70341
7268         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7269         old define_insn to ...
7270         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7271         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7272         Rename old define_insn to ...
7273         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7274         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7275         define_insn to ...
7276         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7277         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7278         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7279
7280 2019-02-27  Richard Biener  <rguenther@suse.de>
7281
7282         PR debug/88878
7283         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7284
7285 2019-02-27  Richard Biener  <rguenther@suse.de>
7286
7287         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7288         building.
7289
7290 2019-02-27  Richard Biener  <rguenther@suse.de>
7291
7292         PR debug/88878
7293         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7294         parameter, prefix section name with .gnu.debuglto_ if true.
7295         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7296         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7297
7298 2019-02-27  Richard Biener  <rguenther@suse.de>
7299
7300         PR debug/89514
7301         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7302         rather than on use_debug_types, doing what output_die does.
7303         (value_format): Likewise.
7304
7305 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7306             Martin Sebor  <msebor@redhat.com>
7307
7308         * doc/invoke.texi (Warning Options): Reword description of
7309         -Wno-absolute-value.
7310
7311 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7312
7313         PR tree-optimization/89280
7314         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7315         builtin_setjmp_setup_bb): New functions.
7316         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7317         When visiting __builtin_setjmp_setup block, queue in special
7318         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7319         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7320         from visited after the loop if they don't have any visited successor
7321         blocks.
7322
7323 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7324
7325         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7326         New function.
7327         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7328
7329 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7330
7331         PR c++/89507
7332         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7333         with types other than sizetype/ssizetype.
7334
7335 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7336
7337         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7338         (enum sparc_processor_type): ...this.
7339         (enum sparc_code_model_type): New enumeration type.
7340         (enum sparc_memory_model_type): Tweak comments.
7341         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7342         (mtune): Likewise.
7343         (mcmodel): Use sparc_code_model enumeration and variable.
7344         (sparc_code_model): New enumeration.
7345         (mdebug): Add Undocumented marker.
7346         * config/sparc/sparc.h (enum cmodel): Delete.
7347         (sparc_cmodel): Likewise.
7348         (TARGET_CM_MEDLOW): Adjust to above renaming.
7349         (TARGET_CM_MEDMID): Likewise.
7350         (TARGET_CM_MEDANY): Likewise.
7351         (TARGET_CM_EMBMEDANY): Likewise.
7352         * config/sparc/sparc.c (sparc_cmodel): Delete.
7353         (sparc_option_override): Remove string/value mapping support for the
7354         code model.  Move code and memory model support to after the handling
7355         of target flags.  Do private machine setup last.
7356         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7357         (sparc_legitimize_reload_address): Likewise.
7358         (sparc_output_mi_thunk): Likewise.
7359         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7360
7361 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7362
7363         PR tree-optimization/89500
7364         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7365         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7366         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7367         cst if the first cst bytes starting at x are known to be non-zero,
7368         even if the string is not zero terminated.  Don't try to modify
7369         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7370         we can prove strnlen returns the same value as strlen would.
7371
7372 2019-02-26  Martin Liska  <mliska@suse.cz>
7373
7374         * alloc-pool.h (struct pool_usage): Remove extra
7375         print_dash_line.
7376         * bitmap.h (struct bitmap_usage): Likewise.
7377         * ggc-common.c (struct ggc_usage): Likewise.
7378         * mem-stats.h (struct mem_usage): Likewise.
7379         (mem_alloc_description::dump): Print dash lines
7380         here and repeat header at the end of a table report.
7381         It's then more readable.
7382         * tree-phinodes.c (phinodes_print_statistics): Make
7383         horizontal alignment.
7384         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7385         * vec.c (struct vec_usage): Remove extra print_dash_line.
7386         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7387
7388 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7389
7390         * doc/extend.texi (__builtin_object_size):
7391         Use @pxref instead of @xref inside parenthesis.
7392         (__builtin_has_attribute): Add missing comma after @xref.
7393         (__builtin_object_size): Ditto.
7394         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7395         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7396         in the list.
7397
7398 2019-02-26  Jeff Law  <law@redhat.com>
7399
7400         PR rtl-optimization/87761
7401         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7402         detect obviously dead insns and delete them.
7403
7404 2019-02-26  Richard Biener  <rguenther@suse.de>
7405
7406         PR tree-optimization/89505
7407         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7408         to handle restrict pointed-to vars with multiple subvars
7409         correctly.
7410
7411 2019-02-26  Richard Biener  <rguenther@suse.de>
7412
7413         PR tree-optimization/89489
7414         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7415
7416 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7417
7418         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7419         and move around comment.
7420         <BIT_AND_EXPR>: Likewise.
7421         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7422
7423 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7424
7425         PR target/89474
7426         * config/i386/i386.c (remove_partial_avx_dependency): Call
7427         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7428         after changing possibly many instructions to use that pseudo.  Fix up
7429         insertion of v4sf_const0 setter at the start of bb.
7430
7431 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7432
7433         PR c/80409
7434         * doc/extend.texi (Variadic Pointer Args): New section.
7435
7436 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7437             Martin Sebor  <msebor@gmail.com>
7438
7439         * common.opt (Wattribute-alias): Likewise.
7440         * doc/invoke.texi (Option Summary): List general form of
7441         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7442         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7443         Add cross-references.
7444         (-Wattribute-alias): Rewrite and correct default.  Mention
7445         considered attributes (same as for -Wmissing-attributes).
7446
7447 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7448
7449         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7450         (_mm_cvtpd_ps): Likewise.
7451         (_mm_cvttpd_epi32): Likewise.
7452
7453         PR target/89338
7454         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7455         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7456
7457         PR target/89339
7458         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7459
7460 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7461
7462         PR target/88530
7463         * common/config/aarch64/aarch64-common.c
7464         (struct aarch64_option_extension): Add is_synthetic.
7465         (all_extensions): Use it.
7466         (TARGET_OPTION_INIT_STRUCT): Define hook.
7467         (struct gcc_targetm_common): Moved to end.
7468         (all_extensions_by_on): New.
7469         (opt_ext_cmp, typedef opt_ext): New.
7470         (aarch64_option_init_struct): New.
7471         (aarch64_contains_opt): New.
7472         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7473         * config/aarch64/aarch64-option-extensions.def
7474         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7475         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7476         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7477         Set is_synthetic to false.
7478         (crypto): Set is_synthetic to true.
7479         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7480         SYNTHETIC.
7481
7482 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7483
7484         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7485         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7486         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7487         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7488         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7489         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7490         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7491         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7492         Rename ...
7493         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7494         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7495         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7496         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7497         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7498         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7499         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7500         vfmlsl_laneq_high_f16): ... To this.
7501         * config/arm/neon.md: Update comments.
7502
7503 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7504
7505         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7506         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7507         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7508         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7509         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7510         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7511         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7512         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7513         Rename ...
7514         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7515         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7516         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7517         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7518         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7519         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7520         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7521         vfmlslq_laneq_high_f16): ... To this.
7522
7523 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7524
7525         PR rtl-optimization/86096
7526         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7527         comparing mw_order values.
7528
7529 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7530
7531         PR target/89434
7532         * config/arm/arm.md (*subsi3_carryin_const): Use
7533         arm_neg_immediate_operand predicate instead of
7534         arm_not_immediate_operand, "L" constraint instead of "K" and
7535         print it using %n2 instead of %B2.
7536         (*subsi3_carryin_const0): New define_insn.
7537         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7538         instead of arm_not_operand and "I" constraint instead of "K" and
7539         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7540         another match_operand and in the condition check that it is negation
7541         of operands[2].
7542         (*subsi3_carryin_compare_const0): New define_ins.
7543         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7544         *subsi3_carryin_const.
7545         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7546         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7547
7548         PR target/89438
7549         * config/arm.vfp.md (*negdf2_vfp): Use
7550         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7551         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7552
7553 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7554
7555         PR rtl-optimization/89445
7556         * simplify-rtx.c (simplify_ternary_operation): Don't use
7557         simplify_merge_mask on operands that may trap.
7558         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7559         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7560         second operand is CONST_VECTOR, check if any element could be zero.
7561         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7562         their operands can trap.
7563
7564 2019-02-23  Martin Sebor  <msebor@redhat.com>
7565
7566         * gimple-ssa-sprintf.c (target_strtol): Rename...
7567         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7568         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7569         check for range error.
7570
7571 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7572
7573         PR driver/69471
7574         * opts-common.c (prune_options): Also prune joined switches
7575         with Negative and RejectNegative.
7576         * config/i386/i386.opt (march=): Add Negative(march=).
7577         (mtune=): Add Negative(mtune=).
7578         * doc/options.texi: Document Negative used together with Joined
7579         and RejectNegative.
7580
7581 2019-02-22  Martin Sebor  <msebor@redhat.com>
7582
7583         * doc/extend.texi (Other Builtins): Add
7584         __builtin_is_constant_evaluated.
7585
7586 2019-02-22  Richard Biener  <rguenther@suse.de>
7587
7588         PR tree-optimization/87609
7589         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7590
7591 2019-02-22  Jeff Law  <law@redhat.com>
7592
7593         PR rtl-optimization/87761
7594         * config/mips/mips.md: Add new combiner pattern to recognize
7595         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7596
7597 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7598
7599         PR target/89324
7600         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7601         destination register in peepholes generating patterns for ADDS/SUBS.
7602         (add<mode>3_compare0,
7603         *addsi3_compare0_uxtw, add<mode>3_compareC,
7604         add<mode>3_compareV_imm, add<mode>3_compareV,
7605         *adds_<optab><ALLX:mode>_<GPI:mode>,
7606         *subs_<optab><ALLX:mode>_<GPI:mode>,
7607         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7608         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7609         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7610         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7611         sub<mode>3_compare1): Allow stack pointer for source register.
7612         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7613
7614 2019-02-22  Martin Sebor  <msebor@redhat.com>
7615
7616         PR tree-optimization/88993
7617         PR tree-optimization/88853
7618         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7619         New helper.
7620         (sprintf_dom_walker::call_info::is_string_func): New helper.
7621         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7622         for formatted string functions.
7623         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7624
7625 2019-02-22  Martin Sebor  <msebor@redhat.com>
7626
7627         PR c/89425
7628         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7629         unreachable subexpressions.
7630
7631 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7632             Hongtao Liu  <hongtao.liu@intel.com>
7633             Sunil K Pandey  <sunil.k.pandey@intel.com>
7634
7635         PR target/87007
7636         * config/i386/i386-passes.def: Add
7637         pass_remove_partial_avx_dependency.
7638         * config/i386/i386-protos.h
7639         (make_pass_remove_partial_avx_dependency): New.
7640         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7641         New function.
7642         (pass_data_remove_partial_avx_dependency): New.
7643         (pass_remove_partial_avx_dependency): Likewise.
7644         (make_pass_remove_partial_avx_dependency): Likewise.
7645         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7646         (*extendsfdf2): Add avx_partial_xmm_update.
7647         (truncdfsf2): Likewise.
7648         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7649         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7650
7651 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7652
7653         PR middle-end/85598
7654         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7655         analysis for pass.
7656
7657 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7658
7659         PR target/89444
7660         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7661         (PTA_SKYLAKE): Add PTA_AES.
7662         (PTA_GOLDMONT): Likewise.
7663
7664 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7665
7666         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7667         instruction if enabled.
7668         (aarch64_override_options): Remove reference to return address key.
7669
7670 2019-02-22  Richard Biener  <rguenther@suse.de>
7671
7672         PR tree-optimization/89440
7673         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7674         not necessary assert.
7675
7676 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7677
7678         PR fortran/72741
7679         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7680         (oacc_replace_fn_attrib_attr): ... this new function.
7681         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7682         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7683
7684 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7685
7686         * config/arm/arm-cpus.in (ares): Rename to...
7687         (neoverse-n1): ... This.  Add ares as alias.
7688         * config/arm/arm-tables.opt: Regenerate.
7689         * config/arm/arm-tune.md: Likewise.
7690         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7691
7692 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7693
7694         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7695         * config/aarch64/aarch64-tune.md: Regenerate.
7696         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7697
7698 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7699
7700         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7701         (neoversen1_tunings): ... This.
7702         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7703         (neoverse-n1): New CPU.
7704         * config/aarch64/aarch64-tune.md: Regenerate.
7705         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7706
7707 2019-02-22  Richard Biener  <rguenther@suse.de>
7708
7709         PR middle-end/87609
7710         * cfghooks.h (dependence_hash): New typedef.
7711         (struct copy_bb_data): New type.
7712         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7713         (duplicate_block): Likewise.
7714         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7715         (copy_bbs): Create and pass down copy_bb_data.
7716         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7717         (rtl_duplicate_bb): Likewise.
7718         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7719         remap dependence info.
7720
7721 2019-02-22  Richard Biener  <rguenther@suse.de>
7722
7723         PR tree-optimization/87609
7724         * tree-core.h (tree_base): Document special clique values.
7725         * tree-inline.c (remap_dependence_clique): Do not use the
7726         special clique value of one.
7727         (maybe_set_dependence_info): Use clique one.
7728         (clear_dependence_clique): New callback.
7729         (compute_dependence_clique): Clear clique one from all refs
7730         before assigning it (again).
7731
7732 2019-02-21  Martin Sebor  <msebor@redhat.com>
7733
7734         * doc/extend.texi (__clear_cache): Correct signature.
7735
7736 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7737
7738         PR go/89170
7739         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7740         than output_constant_def.
7741         (add_constant_to_table): New static function.
7742         (output_constant_def): Call add_constant_to_table.
7743         (tree_output_constant_def): Likewise.
7744
7745 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7746
7747         PR c++/89285
7748         * builtins.c (fold_builtin_arith_overflow): If first two args are
7749         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7750         to ifn.
7751
7752 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7753
7754         PR target/87412
7755         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7756         error for -mindirect-branch/-mfunction-return with incompatible
7757         -fcf-protection.
7758
7759 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7760
7761         PR bootstrap/88714
7762         * constraints.md (q): Remove.
7763         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7764         instead of q.
7765
7766 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7767
7768         PR hsa/89302
7769         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7770         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7771         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7772         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7773         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7774         proper values to new parameters of omp_adjust_for_condition.
7775
7776 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7777
7778         PR middle-end/89412
7779         * expr.c (expand_assignment): If result is a MEM, use change_address
7780         instead of simplify_gen_subreg.
7781
7782 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7783             David Malcolm  <dmalcolm@redhat.com>
7784
7785         PR middle-end/89091
7786         * fold-const.c (decode_field_reference): Return NULL_TREE if
7787         lang_hooks.types.type_for_size returns NULL.  Check it before
7788         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7789
7790 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7791
7792         PR middle-end/88074
7793         PR middle-end/89415
7794         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7795         buggy mpc_norm.
7796
7797 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7798
7799         PR target/89397
7800         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7801         TARGET_SSE in addition to TARGET_SSE_MATH.
7802
7803         (ix86_excess_precision): Ditto.
7804         (ix86_float_exceptions_rounding_supported_p): Ditto.
7805         (use_rsqrt_p): Ditto.
7806         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7807
7808 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7809
7810         PR c/89410
7811         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7812         linenum_arith_t when determining if two adjacent line spans are
7813         close enough to merge.
7814         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7815         lines within each line_span.
7816
7817 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7818
7819         PR target/86487
7820         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7821         paradoxical SUBREGS.
7822
7823 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7824
7825         PR target/88100
7826         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7827         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7828         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7829         range checking it.
7830
7831 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7832
7833         * config/gcn/gcn.c (print_operand): Fix typo.
7834
7835 2019-02-19  Richard Biener  <rguenther@suse.de>
7836
7837         PR middle-end/88074
7838         * toplev.c (do_compile): Initialize mpfr's exponent range
7839         based on available float modes.
7840
7841 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7842
7843         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7844         as long as the epilogue isn't completed.
7845
7846 2019-02-18  Martin Sebor  <msebor@redhat.com>
7847
7848         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7849         __has_cpp_attribute, and __has_include.
7850
7851 2019-02-18  Martin Sebor  <msebor@redhat.com>
7852
7853         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7854
7855 2019-02-18  Martin Sebor  <msebor@redhat.com>
7856
7857         PR middle-end/89294
7858         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7859         expression.
7860         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7861
7862 2019-02-18  Richard Biener  <rguenther@suse.de>
7863
7864         PR tree-optimization/89296
7865         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7866         of no-warning flag to cases that might emit the bogus warning.
7867
7868 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7869
7870         PR bootstrap/88714
7871         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7872         "q" constraint.
7873         * config/arm/vfp.md (*movdi_vfp): Likewise.
7874         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7875         "q" constraint for operands[0].
7876
7877         PR target/89369
7878         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7879         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7880         pattern in a temporary buffer.
7881         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7882         than 64-operands[2].
7883
7884         PR target/89361
7885         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7886         s390_indirect_branch_settings): Define unconditionally.
7887         (s390_set_current_function): Likewise, but guard the whole body except
7888         the s390_indirect_branch_settings call with
7889         #if S390_USE_TARGET_ATTRIBUTE.
7890         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7891
7892         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7893         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7894         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7895         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7896         HOST_WIDE_INT_1U instead of 1ULL.
7897         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7898         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7899         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7900         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7901         instead of 1UL.
7902         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7903         instead of 1ul.
7904
7905 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7906
7907         PR tree-optimization/89209
7908         * tree-sra.c (create_access_replacement): New optional parameter
7909         reg_tree.  Use it as a type if non-NULL and access type is not of
7910         a register type.
7911         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7912         to create_access_replacement.
7913         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7914         Check lacc is non-NULL before attempting to re-create it on the RHS.
7915
7916 2019-02-18  Martin Liska  <mliska@suse.cz>
7917
7918         PR ipa/89306
7919         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7920         by default.
7921         (symbol_table::free_edge): Recycle m_summary_id.
7922         * cgraph.h (get_summary_id): New.
7923         (symbol_table::release_symbol): Set m_summary_id to -1
7924         by default.
7925         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7926         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7927         function_summary to fast_function_summary.
7928         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7929         * ipa-pure-const.c (class funct_state_summary_t):
7930         Switch from function_summary to fast_function_summary.
7931         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7932         (class ipa_ref_opt_summary_t): Switch from function_summary
7933         to fast_function_summary.
7934         * symbol-summary.h (class function_summary_base): New class
7935         that is created from base of former function_summary.
7936         (function_summary_base::unregister_hooks): New.
7937         (class function_summary): Inherit from function_summary_base.
7938         (class call_summary_base): New class
7939         that is created from base of former call_summary.
7940         (class call_summary): Inherit from call_summary_base.
7941         (struct is_same): New.
7942         (class fast_function_summary): New summary class.
7943         (class fast_call_summary): New summary class.
7944         * vec.h (vec_safe_grow_cleared): New function.
7945
7946 2019-02-18  Martin Liska  <mliska@suse.cz>
7947
7948         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7949         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7950         * doc/tm.texi: Document new target hook.
7951         * doc/tm.texi.in: Likewise.
7952         * target.def: Add new target macro.
7953         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7954         suffixes.
7955
7956 2019-02-17  Alan Modra  <amodra@gmail.com>
7957
7958         PR target/89271
7959         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7960         output reg on add insn.
7961         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7962
7963 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7964
7965         PR target/89372
7966         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7967         (PMULHRSW): Likewise.
7968         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7969         TARGET_AVX2.
7970         (ssse3_pmulhrswv4hi3): New expander.
7971
7972 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7973
7974         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
7975         MMX.  Add isa attribute.
7976
7977 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
7978
7979         PR rtl-optimization/66152
7980         * builtins.h (c_readstr): Declare.
7981         * builtins.c (c_readstr): Remove forward declaration.  Add
7982         null_terminated_p argument, if false, read all bytes from the
7983         string instead of stopping after '\0'.
7984         * expr.c (string_cst_read_str): New function.
7985         (store_expr): Use string_cst_read_str instead of
7986         builtin_strncpy_read_str.  Try to store by pieces the whole
7987         exp_len first, and only if that fails, split it up into
7988         store by pieces followed by clear_storage.  Formatting fix.
7989
7990         * config/i386/i386.md (*movqi_internal): Remove static from
7991         buf variable.  Use output_asm_insn (buf, operands); return "";
7992         instead of return buf;.
7993         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
7994         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
7995         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
7996
7997 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7998
7999         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
8000         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
8001         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
8002         (CC1_SPEC): Likewise.
8003         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
8004
8005 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8006
8007         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8008         the base address on 64-bit strict-alignment platforms.
8009
8010 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8011
8012         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8013
8014 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8015
8016         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8017
8018 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8019
8020         PR rtl-optimization/88308
8021         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8022         on copied instruction.
8023
8024 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8025
8026         * final.c (insn_current_reference_address): Replace test on JUMP_P
8027         with test on jump_to_label_p.
8028         * config/visium/visium-passes.def: New file.
8029         * config/visium/t-visium (PASSES_EXTRA): Define.
8030         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8031         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8032         (TRAMPOLINE_ALIGNMENT): Define.
8033         * config/visium/visium.c (visium_option_override): Do not register
8034         the machine-specific reorg pass here.
8035         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8036         for the GR6.
8037         (output_branch): Adjust threshold for long branch instruction.
8038         * config/visium/visium.md (cpu): Move around.
8039         (length): Adjust for the GR6.
8040
8041 2019-02-15  Richard Biener  <rguenther@suse.de>
8042             Jakub Jelinek  <jakub@redhat.com>
8043
8044         PR tree-optimization/89278
8045         * tree-loop-distribution.c: Include tree-eh.h.
8046         (generate_memset_builtin, generate_memcpy_builtin): Call
8047         rewrite_to_non_trapping_overflow on builtin->size before passing it
8048         to force_gimple_operand_gsi.
8049
8050 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8051
8052         PR other/89342
8053         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8054         optimize_debug.
8055         * opth-gen.awk: Likewise.
8056
8057 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8058
8059         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8060         Enable MMX, SSE and SSE2 by default.
8061         * config/i386/i386.c (ix86_option_override_internal): Do not
8062         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8063
8064 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8065
8066         PR rtl-optimization/89354
8067         * combine.c (make_extraction): Punt if extraction_mode is narrower
8068         than len bits.
8069
8070 2019-02-14  Maya Rashish  <coypu@sdf.org>
8071
8072         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8073         * config/netbsd-d.c: New file.
8074         * config/t-netbsd: Add netbsd-d.o
8075
8076 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8077
8078         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8079         affects_type_identity to true for aarch64_vector_pcs.
8080         (aarch64_comp_type_attributes): New function.
8081         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8082
8083 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8084
8085         PR target/88850
8086         * config/arm/iterators.md (ANY64): Add V4HF.
8087
8088 2019-02-14  Martin Liska  <mliska@suse.cz>
8089
8090         PR rtl-optimization/89242
8091         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8092         process a transformation.
8093
8094 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8095
8096         PR tree-optimization/89314
8097         * fold-const.c (fold_binary_loc): Cast strlen argument to
8098         const char * before dereferencing it.  Formatting fixes.
8099
8100         PR middle-end/89284
8101         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8102
8103 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8104
8105         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8106         and set current index for other optimizations.
8107
8108 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8109
8110         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8111         nonimmediate_operand as operand 2 predicate.
8112         (vec_set<VF2_512_256:mode>_0): Ditto.
8113         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8114         (*vec_concatv2si): Remove alternative 2.
8115         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8116         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8117         (vec_concatv2di): Split alternatives 4,5,6 to ...
8118         (*vec_concatv2di_0) ... new pattern.
8119
8120 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8121
8122         PR target/89190
8123         * config/arm/arm.c (ldm_stm_operation_p) Set
8124         addr_reg_in_reglist correctly for first register.
8125         (load_multiple_sequence): Remove dead base check.
8126         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8127
8128 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8129
8130         PR target/88847
8131         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8132         Expose as @aarch64_pred_mov.
8133         * config/aarch64/aarch64.c (aarch64_classify_address):
8134         Use expand_insn which legitimizes operands.
8135
8136 2019-02-13  Martin Liska  <mliska@suse.cz>
8137
8138         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8139         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8140         and pointer_offset fields.
8141         (initialize_argument_information): Remove usage of dead
8142         fields.
8143         * cgraph.h (struct cgraph_thunk_info): Remove
8144         add_pointer_bounds_args.
8145         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8146         fields.
8147         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8148         fields.
8149         * config/i386/i386.c (ix86_function_arg_advance): Remove
8150         unrelated comment.
8151         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8152         (def_builtin):  Remove usage of dead
8153         fields.
8154         (ix86_add_new_builtins): Likewise.
8155         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8156         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8157         (sem_function::init): Likewise.
8158         (sem_variable::merge): Likewise.
8159         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8160         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8161         * lto-cgraph.c (lto_output_node): Likewise.
8162         (lto_output_varpool_node): Likewise.
8163         (input_node): Likewise.
8164         (input_varpool_node): Likewise.
8165         * lto-streamer-out.c (lto_output): Likewise.
8166         * tree-inline.c (expand_call_inline): Remove usage of
8167         assign_stmts.
8168         * tree-inline.h (struct copy_body_data): Likewise.
8169         * varpool.c (varpool_node::dump): Likewise.
8170
8171 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8172
8173         PR middle-end/89303
8174         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8175         into pt->vars_contains_escaped_heap instead of setting
8176         pt->vars_contains_escaped_heap to it.
8177
8178         PR middle-end/89281
8179         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8180         INTVAL (size), compare it to GET_MODE_MASK instead of
8181         1 << GET_MODE_BITSIZE.
8182
8183         PR target/89290
8184         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8185         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8186         -mcmodel=large.
8187
8188 2019-02-13  Martin Liska  <mliska@suse.cz>
8189
8190         PR lto/88858
8191         * cfgrtl.c (remove_barriers_from_footer): New function.
8192         (try_redirect_by_replacing_jump): Use it.
8193         (cfg_layout_redirect_edge_and_branch): Likewise.
8194
8195 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8196
8197         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8198         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8199         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8200         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8201         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8202         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8203         New BU_CRYPTO_2.
8204         * config/rs6000/rs6000.c (builtin_function_type)
8205         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8206         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8207         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8208         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8209         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8210
8211 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8212
8213         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8214         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8215
8216 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8217
8218         PR target/89229
8219         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8220         268678 and revision 268657.
8221         (*movti_internal): Likewise.
8222
8223 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8224
8225         PR target/89233
8226         * config/s390/s390.c (s390_decompose_address): Update comment.
8227         (s390_check_qrst_address): Reject invalid address forms after
8228         LRA.
8229
8230 2019-02-12  Martin Liska  <mliska@suse.cz>
8231
8232         PR lto/88876
8233         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8234         we need default values of funct_state for a function that
8235         is not optimized.
8236
8237 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8238
8239         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8240         the object to pick the size of stores on strict-alignment platforms.
8241
8242         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8243         (*movdi_insn_sp32): Likewise.
8244         (*movdi_insn_sp64): Likewise.
8245
8246 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8247
8248         PR lto/88677
8249         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8250         types that needs constructiong.
8251         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8252
8253 2019-02-12  Richard Biener  <rguenther@suse.de>
8254
8255         PR tree-optimization/89253
8256         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8257         duplicate the loop.
8258
8259 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8260
8261         PR lto/88147
8262         * input.c (selftest::test_line_offset_overflow): New selftest.
8263         (selftest::input_c_tests): Call it.
8264
8265 2019-02-11  Martin Sebor  <msebor@redhat.com>
8266
8267         PR tree-optimization/88771
8268         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8269         when -Wstringop-overflow is set.
8270         (builtin_memref::builtin_memref): Adjust excessive upper bound
8271         only when lower bound is not excessive.
8272         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8273         -Wstringop-ovefflow.
8274         (maybe_diag_offset_bounds): Rename...
8275         (maybe_diag_access_bounds): ...to this.
8276         (check_bounds_or_overlap): Adjust for name change above.
8277
8278 2019-02-11  Martin Sebor  <msebor@redhat.com>
8279
8280         PR c++/87996
8281         * builtins.c (max_object_size): Move from here...
8282         * builtins.h (max_object_size): ...and here...
8283         * tree.c (max_object_size): ...to here...
8284         * tree.h (max_object_size): ...and here.
8285
8286 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8287
8288         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8289         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8290         for correct semantics.
8291
8292 2019-02-11  Alan Modra  <amodra@gmail.com>
8293
8294         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8295         -mlongcall and -mpltseq.
8296         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8297         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8298         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8299         * config/rs6000/sysv4.opt (mpltseq): New option.
8300         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8301         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8302         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8303         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8304         -mpltseq given for ELFv1.
8305         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8306         Only use UNSPEC_PLTSEQ for inline PLT calls.
8307         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8308         use UNSPEC_PLTSEQ for inline PLT calls.
8309         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8310         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8311         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8312         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8313         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8314         (pltseq_mtctr_<mode>): Likewise.
8315
8316 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8317
8318         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8319         Solaris ld.
8320         * configure: Regenerate.
8321
8322 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8323
8324         PR bootstrap/88714
8325         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8326         instead of r.
8327
8328 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8329
8330         * function.c (assign_parm_setup_block): Use the stored
8331         size, not the passed size, when allocating stack-space,
8332         also for a parameter with alignment larger than
8333         MAX_SUPPORTED_STACK_ALIGNMENT.
8334
8335 2019-02-11  Martin Liska  <mliska@suse.cz>
8336
8337         PR ipa/89009
8338         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8339         * ipa-inline.c (inline_small_functions): Likewise.
8340         * ipa-pure-const.c (propagate_pure_const): Likewise.
8341         (propagate_nothrow): Likewise.
8342         * ipa-reference.c (propagate): Likewise.
8343         * ipa-utils.c (struct searchc_env): Remove unused field.
8344         (searchc): Always search across AVAIL_INTERPOSABLE.
8345         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8346         the only called IPA pure const can properly not propagate
8347         across interposable boundary.
8348         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8349
8350 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8351
8352         * config/nds32/nds32.md (call_internal, call_value_internal,
8353         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8354
8355 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8356
8357         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8358         typo.
8359
8360 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8361
8362         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8363         in comments
8364
8365 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8366
8367         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8368
8369 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8370
8371         PR tree-optimization/89268
8372         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8373         if preds is non-NULL.
8374
8375 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8376
8377         PR lto/89272
8378         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8379         polymorphic types.
8380
8381 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8382
8383         * config/nds32/nds32.md (trap): New pattern.
8384
8385 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8386
8387         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8388         dwarf span.
8389
8390 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8391
8392         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8393         to split POST_INC.
8394
8395 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8396
8397         * ipa-visibility.c (localize_node): Also do not localize
8398         LDPR_PREVAILING_DEF_IRONLY_EXP.
8399
8400 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8401
8402         PR lto/87957
8403         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8404         instead of type_with_linkage.
8405
8406 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8407
8408         PR ipa/88755
8409         * params.def (uninlined-function-insns, uninlined-function-time,
8410         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8411         bound so we don't get overflows.
8412
8413 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8414
8415         * config/rs6000/rs6000-string.c (expand_compare_loop,
8416         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8417         memcmp/strncmp.
8418
8419 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8420
8421         PR middle-end/89246
8422         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8423         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8424         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8425
8426 2019-02-09  Alan Modra  <amodra@gmail.com>
8427
8428         PR target/88343
8429         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8430         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8431         setup.
8432
8433 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8434
8435         PR middle-end/88560
8436         * lra-constraints.c (process_alt_operands): Don't increase reject
8437         for memory when offset memory is required.
8438
8439 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8440
8441         * config/s390/vector.md: Implement vector copysign.
8442
8443 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8444
8445         * expr.c (expand_constructor): Correct indentations.
8446
8447 2019-02-08  Richard Biener  <rguenther@suse.de>
8448
8449         PR tree-optimization/89247
8450         * tree-if-conv.c: Include tree-cfgcleanup.h.
8451         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8452         (tree_if_conversion): Pass through predicate vector.
8453         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8454         inline, see if any if-converted loops we refrece in
8455         LOOP_VECTORIZED calls vanished and fixup.
8456         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8457
8458 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8459
8460         * config/s390/constraints.md (jdd): New constraint.
8461
8462 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8463
8464         PR target/89229
8465         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8466         upper 16 vector registers without TARGET_AVX512VL.
8467         (*movti_internal): Likewise.
8468
8469 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8470
8471         PR rtl-optimization/89234
8472         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8473         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8474         (copy_reg_eh_region_note_backward): Likewise.
8475
8476 2019-02-08  Richard Biener  <rguenther@suse.de>
8477
8478         PR middle-end/89223
8479         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8480         doesn't fit in HWI.
8481         (analyze_subscript_affine_affine): Handle failure from
8482         initialize_matrix_A.
8483
8484 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8485
8486         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8487         cfun everywhere.
8488
8489 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8490
8491         PR tree-optimization/86637
8492         PR tree-optimization/89235
8493         * tree-vect-loop.c (optimize_mask_stores): Add an
8494         auto_purge_vect_location sentinel to ensure that vect_location is
8495         purged on exit.
8496         * tree-vectorizer.c
8497         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8498         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8499         to ensure that vect_location is purged on exit.
8500         (pass_slp_vectorize::execute): Likewise, replacing the manual
8501         reset.
8502         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8503
8504 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8505
8506         * config/aarch64/iterators.md (max_opp): New code_attr.
8507         (USMAX): New code iterator.
8508         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8509         (aarch64_smax): Likewise.
8510         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8511         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8512         MINUS (MAX MIN).
8513
8514 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8515
8516         PR target/89229
8517         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8518         for TARGET_AVX512VL.
8519         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8520
8521 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8522
8523         * config/s390/s390-builtin-types.def: Add new types.
8524         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8525         (s390_vec_xlw4): Make the memory operand into a const pointer.
8526         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8527         float.
8528         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8529         a new vector type with the alignment of the scalar memory operand.
8530
8531 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8532             Jakub Jelinek  <jakub@redhat.com>
8533
8534         PR bootstrap/88714
8535         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8536         arm_count_ldrdstrd_insns): New declarations.
8537         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8538         MINUS.
8539         (valid_operands_ldrd_strd): New function.
8540         (arm_count_ldrdstrd_insns): New function.
8541         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8542         sets instead of single DImode set and define new insns to match this.
8543
8544 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8545
8546         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8547         Make it a C initializer.
8548
8549 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8550
8551         PR/target 88850
8552         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8553
8554 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8555
8556         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8557         Use neon_dot<q> for type.
8558         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8559
8560 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8561
8562         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8563         Use neon_dot<q> for type.
8564         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8565         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8566
8567 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8568
8569         PR rtl-optimization/89225
8570         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8571         sizes check.
8572
8573 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8574
8575         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8576         after restoring registers saved to allocate the frame on Windows.
8577
8578 2019-02-06  Richard Biener  <rguenther@suse.de>
8579
8580         PR tree-optimization/89182
8581         * graphite.h (cached_scalar_evolution_in_region): Declare.
8582         * graphite.c (struct seir_cache_key): New.
8583         (struct sese_scev_hash): Likewise.
8584         (seir_cache): New global.
8585         (cached_scalar_evolution_in_region): New function.
8586         (graphite_transform_loops): Allocate and release seir_cache.
8587         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8588         cached_scalar_evolution_in_region.
8589         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8590         Simplify.
8591         (scop_detection::graphite_can_represent_expr: Use
8592         cached_scalar_evolution_in_region.
8593         (scop_detection::stmt_simple_for_scop_p): Likewise.
8594         (find_params_in_bb): Likewise.
8595         (gather_bbs::before_dom_children): Likewise.
8596         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8597         (add_loop_constraints): Likewise.
8598
8599 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8600
8601         PR middle-end/89210
8602         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8603         operand to new_unary_operation only if both element types are integral
8604         and it isn't a widening conversion.  Return NULL_TREE if
8605         new_unary_operation failed.
8606
8607 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8608
8609         PR target/88856
8610         * config/s390/s390.md: Remove load and test FP splitter.
8611
8612 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8613
8614         PR target/89112
8615         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8616         expand_compare_loop, expand_block_compare_gpr,
8617         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8618         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8619         #include "profile-count.h" and "predict.h" for types and functions
8620         needed to work with REG_BR_PROB notes.
8621
8622 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8623
8624         PR target/89112
8625         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8626         for the long branch case.
8627
8628 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8629
8630         PR target/89188
8631         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8632         can throw, non-call exceptions are enabled and we can't delete
8633         dead exceptions or alter cfg.  Set must_clean if
8634         delete_insn_and_edges returns true, don't set it blindly for calls.
8635         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8636
8637         PR rtl-optimization/89195
8638         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8639         of the original MEM.
8640
8641 2019-02-05  Martin Liska  <mliska@suse.cz>
8642
8643         PR gcov-profile/89000
8644         * gcov.c (function_summary): Remove argument.
8645         (file_summary): New function.
8646         (print_usage): Replace tabs with spaces.
8647         (generate_results): Use new function file_summary.
8648
8649 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8650
8651         PR target/89186
8652         * optabs.c (prepare_cmp_insn): Pass x and y to
8653         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8654
8655 2019-02-05  Richard Biener  <rguenther@suse.de>
8656
8657         PR middle-end/89150
8658         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8659         (struct bitmap_element): Drop chain_prev so we properly recurse on
8660         the prev member, supporting tree views.
8661         (struct bitmap_head): GTY skip the obstack member.
8662
8663 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8664
8665         PR c/88698
8666         * doc/extend.texi (Vector Extensions): Add an example of using vector
8667         types together with x86 intrinsics.
8668
8669 2019-02-04  Alan Modra  <amodra@gmail.com>
8670
8671         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8672         str[] size to 160, and comment.
8673
8674 2019-02-04  Alan Modra  <amodra@gmail.com>
8675
8676         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8677         (rs6000_pltseq_template): Guard output of TLS markers with
8678         TARGET_TLS_MARKERS.
8679         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8680         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8681         to use inline PLT sequences.
8682         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8683         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8684         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8685
8686 2019-02-04  Martin Liska  <mliska@suse.cz>
8687
8688         PR ipa/88985
8689         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8690         out when ipa_fn_summaries does not contain entry for callee.
8691
8692 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8693
8694         * config/sparc/sparc.h: Remove superfluous blank lines.
8695         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8696         (got_register_rtx): ...this.
8697         (sparc_got): Adjust to above renaming.
8698         (sparc_tls_got): Likewise.
8699         (sparc_delegitimize_address): Likewise.
8700         (sparc_output_mi_thunk): Likewise.
8701         (sparc_init_pic_reg): Likewise.
8702         (save_local_or_in_reg_p): Fix test on the GOT register.
8703         (USE_HIDDEN_LINKONCE): Move around.
8704         (get_pc_thunk_name): Likewise.
8705         (gen_load_pcrel_sym): Likewise.
8706         (load_got_register): Likewise.
8707
8708 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8709
8710         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8711         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8712
8713 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8714
8715         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8716         into consideration.
8717
8718 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8719
8720         * config.gcc (with_nds32_lib, glibc):
8721         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8722         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8723         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8724
8725 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8726
8727         PR target/89071
8728         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8729         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8730         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8731         (*rcpsf2_sse): Ditto.
8732         (*rsqrtsf2_sse): Ditto.
8733         (sse4_1_round<mode<2): Ditto.
8734
8735 2019-02-03  Richard Biener  <rguenther@suse.de>
8736
8737         PR debug/87295
8738         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8739         orig.
8740
8741 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8742
8743         PR middle-end/87887
8744         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8745         Punt with warning on aggregate return or argument types.  Ignore
8746         type/mode checking for uniform arguments.
8747
8748 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8749
8750         * combine.c (try_combine): Do not print "Can't combine" messages unless
8751         printing failed combination attempts.
8752
8753 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8754
8755         PR hsa/87863
8756         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8757         segment and global segment variables before making them static.
8758
8759 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8760
8761         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8762         missed optimization dump with dump_enabled_p.
8763
8764 2019-02-01  Richard Biener  <rguenther@suse.de>
8765
8766         PR middle-end/88597
8767         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8768         the instantiate cache.
8769         (instantiate_scev_binary): Elide second operand procesing
8770         if equal to the first.
8771         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8772         (chrec_contains_undetermined): Likewise.
8773         (tree_contains_chrecs): Likewise.
8774
8775 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8776
8777         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8778
8779 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8780
8781         PR tree-optimization/89143
8782         * wide-int-range.h (wide_int_range_absu): Declare.
8783         * wide-int-range.cc (wide_int_range_absu): New function.
8784         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8785
8786         PR tree-optimization/88107
8787         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8788         instead of assertion that eh_region_outermost is non-NULL, if it
8789         is NULL, set *ALL to true and return NULL.
8790         (move_sese_region_to_fn): Adjust caller, if all is set, call
8791         duplicate_eh_regions with NULL region.
8792
8793 2019-02-01  Richard Biener  <rguenth@suse.de>
8794
8795         PR rtl-optimization/88593
8796         * mode-switching.c (optimize_mode_switching): Free dominators before
8797         calling cleanup_cfg.
8798
8799 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8800
8801         PR tree-optimization/88932
8802         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8803
8804 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8805
8806         PR middle-end/89137
8807         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8808         bogus clang warning.
8809
8810 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8811
8812         PR target/89071
8813         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8814         alternative to avoid partial SSE register stall for TARGET_AVX.
8815         (truncdfsf2): Ditto.
8816         (sse4_1_round<mode>2): Ditto.
8817
8818 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8819
8820         PR tree-optimization/89008
8821         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8822         process anything of the form X * 0.
8823
8824 2019-01-31  Richard Biener  <rguenther@suse.de>
8825
8826         PR tree-optimization/89135
8827         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8828         with abnormal preds.
8829
8830 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8831
8832         PR sanitizer/89124
8833         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8834         always_inline callees into no_sanitize_address callers.
8835
8836 2019-01-31  Richard Biener  <rguenther@suse.de>
8837
8838         PR rtl-optimization/89115
8839         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8840
8841 2019-01-30  Martin Sebor  <msebor@redhat.com>
8842
8843         PR other/89106
8844         * doc/extend.texi (cast to a union): Correct and expand.
8845
8846 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8847
8848         PR rtl-optimization/87246
8849         * lra-constraints.c (simplify_operand_subreg): Reload memory
8850         in subreg if the address became invalid.
8851
8852 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8853
8854         PR target/87064
8855         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8856         Disable for little-endian.
8857
8858 2019-01-30  Richard Biener  <rguenther@suse.de>
8859
8860         PR rtl-optimization/89115
8861         * opts.c (default_options_optimization): Reduce
8862         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8863         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8864         to the default.
8865
8866 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8867
8868         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8869         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8870         type of vector element when vec_extract is implemented by direct
8871         move.
8872
8873 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8874
8875         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8876
8877 2019-01-30  Richard Biener  <rguenther@suse.de>
8878
8879         PR tree-optimization/89111
8880         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8881         canonicalization to appropriately sized access types.
8882
8883 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8884
8885         PR c++/89105
8886         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8887         for arguments to functions that are TU-local and shouldn't be
8888         referenced by assembly.
8889
8890 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8891
8892         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8893         after '='.
8894
8895 2019-01-29  Martin Sebor  <msebor@redhat.com>
8896
8897         PR c/88956
8898         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8899
8900 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8901
8902         PR c++/66676
8903         PR ipa/89104
8904         * omp-simd-clone.c (simd_clone_clauses_extract)
8905         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8906         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8907
8908 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8909
8910         * config.gcc: Force .init_array for ARC.
8911
8912 2019-01-29  Richard Biener  <rguenther@suse.de>
8913
8914         PR debug/87295
8915         * dwarf2out.c (collect_skeleton_dies): New helper.
8916         (copy_decls_for_unworthy_types): Call it.
8917         (build_abbrev_table): Assert we do not try to replace
8918         DW_AT_signature refs with local refs.
8919
8920 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8921
8922         PR middle-end/89002
8923         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8924         for lastprivate/linear IV, push gimplify context around gimplify_assign
8925         and, if it needed any temporaries, pop it into a gimple bind around the
8926         sequence.
8927
8928 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8929
8930         * common.opt (-Wattribute-alias): Remove "no-" from name.
8931         Make -Wattribute-alias command line option and
8932         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8933
8934 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8935
8936         PR target/89073
8937         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8938         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8939         x86 ISA options.
8940         (bmi2): Add missing @opindex.
8941         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8942         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8943         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8944         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8945         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8946         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8947         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8948         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8949         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8950         xsavec, xsaveopt and xsaves options.
8951
8952 2019-01-28  Richard Biener  <rguenther@suse.de>
8953
8954         PR debug/89076
8955         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8956         support removal.
8957
8958 2019-01-28  Richard Biener  <rguenther@suse.de>
8959
8960         PR tree-optimization/88739
8961         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8962         BIT_FIELD_REFs only are applied to mode-precision operands
8963         when they are integral.
8964         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8965         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8966         BIT_FIELD_REFs of non-mode-precision integral operands.
8967
8968 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8969
8970         PR target/87214
8971         * config/i386/sse.md
8972         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
8973         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
8974         first constants in pairs are multiples of 2.  Formatting fixes.
8975         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
8976         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
8977         first constants in each quadruple are multiples of 4.  Formatting fixes.
8978
8979 2019-01-26  Martin Jambor  <mjambor@suse.cz>
8980
8981         PR ipa/88933
8982         * tree-inline.c: Include tree-cfgcleanup.h.
8983         (delete_unreachable_blocks_update_callgraph): Move...
8984         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
8985         ...here, make externally visible, make second argument bool, adjust
8986         all callers.
8987         * tree-cfgcleanup.c: Include cgraph.h.
8988         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
8989         Declare.
8990         * ipa-prop.c: Include tree-cfgcleanup.h.
8991         (ipcp_transform_function): Call
8992         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
8993
8994 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
8995
8996         PR rtl-optimization/88846
8997         * ira.c (process_set_for_memref_referenced_p): New.
8998         (memref_referenced_p): Add new param.  Use
8999         process_set_for_memref_referenced_p.  Add new switch cases.
9000         (memref_used_between_p): Pass new arg to memref_referenced_p.
9001
9002 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
9003
9004         PR target/88469
9005         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9006         argument ABI_BREAK.  Set to true if the calculated alignment has
9007         changed in gcc-9.  Check bit-fields for their base type alignment.
9008         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9009         (aarch64_function_arg_boundary): Likewise.
9010         (aarch64_gimplify_va_arg_expr): Likewise.
9011
9012 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9013
9014         PR middle-end/89037
9015         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9016         instead of accessing TREE_INT_CST_ELT directly.
9017
9018 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9019
9020         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9021         fenv_exceptions description.
9022
9023 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9024
9025         PR rtl-optimization/87763
9026         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9027         Allow SUBREG when matching CC_NZmode compare.
9028
9029 2019-01-25  Richard Biener  <rguenther@suse.de>
9030
9031         PR tree-optimization/89049
9032         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9033         Look at the pattern stmt to determine if the stmt is vectorized.
9034
9035 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9036
9037         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9038         (pred_mov<mode>): Handle all-register forms using both a new
9039         alternative and a split.
9040
9041 2019-01-25  Richard Biener  <rguenther@suse.de>
9042
9043         PR tree-optimization/86865
9044         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9045         Reject non-do-while loops.
9046
9047 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9048
9049         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9050         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9051         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9052         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9053         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9054         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9055         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9056         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9057         vlogical_operand, gpc_reg_operand, int_reg_operand,
9058         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9059         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9060         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9061         (save_world_operation, restore_world_operation, lmw_operation,
9062         stmw_operation): Use MEM_P and REG_P.
9063         (tie_operand): Use MEM_P.
9064         (vrsave_operation, crsave_operation): Use REG_P.
9065         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9066         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9067         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9068         (call_operand): Use HARD_REGISTER_P.
9069         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9070         Use CONST_INT_P.
9071         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9072         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9073         quad_aligned_load_p, replace_swapped_aligned_store,
9074         recombine_lvx_pattern, replace_swapped_aligned_load,
9075         recombine_stvx_pattern): Use MEM_P.
9076         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9077         Use MEM_P and SYMBOL_REF_P.
9078         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9079         (insn_is_swappable_p): Use REG_P and MEM_P.
9080         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9081         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9082         Use CONST_INT_P.
9083         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9084         Use CONST_DOUBLE_P.
9085         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9086         CONST_WIDE_INT_P.
9087         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9088         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9089         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9090         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9091         reg_or_subregno:
9092         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9093         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9094         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9095         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9096         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9097         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9098         rs6000_split_logical_di): Use CONST_INT_P.
9099         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9100         REG_P and SYMBOL_REF_P.
9101         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9102         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9103         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9104         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9105         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9106         (small_data_operand, print_operand_address): Use CONST_INT_P and
9107         SYMBOL_REF_P.
9108         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9109         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9110         Use HARD_REGISTER_NUM_P.
9111         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9112         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9113         SUBREG_P and SYMBOL_REF_P.
9114         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9115         and HARD_REGISTER_NUM_P.
9116         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9117         reg_or_subregno.
9118         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9119         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9120         MEM_P and REG_P.
9121         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9122         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9123         find_addr_reg): Use REG_P.
9124         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9125         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9126         (offsettable_ok_by_alignment, constant_pool_expr_p,
9127         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9128         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9129         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9130         rs6000_assemble_integer, create_TOC_reference,
9131         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9132         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9133         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9134         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9135         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9136         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9137         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9138         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9139         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9140         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9141         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9142         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9143         and cbranch<mode>4): Use CONST_INT_P.
9144         (multiple define_splits): Use REG_P and SUBREG_P.
9145         (define_expands call, call_value): Use MEM_P.
9146         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9147         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9148         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9149         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9150         and HARD_REGISTER_NUM_P.
9151         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9152
9153 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9154
9155         PR rtl-optimization/88948
9156         * rtl.h (prepare_copy_insn): New prototype.
9157         * gcse.c (prepare_copy_insn): New function, split out from
9158         process_insert_insn.
9159         (process_insert_insn): Use prepare_copy_insn.
9160         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9161         instead of gen_move_insn.
9162
9163 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9164
9165         PR debug/89006
9166         * config/i386/i386.c (ix86_pic_register_p): Return true for
9167         UNSPEC_SET_GOT too.
9168
9169         PR tree-optimization/88964
9170         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9171         punt if HONOR_SNANS (chrec).
9172
9173         PR middle-end/89015
9174         * tree-nested.c (convert_nonlocal_reference_stmt,
9175         convert_local_reference_stmt, convert_tramp_reference_stmt,
9176         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9177         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9178         or GIMPLE_OMP_TASK.
9179
9180         PR tree-optimization/89027
9181         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9182         for "omp simd array" variables.
9183
9184 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9185
9186         PR target/88469
9187         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9188         force the alignment of m_val.
9189
9190 2019-01-24  Richard Biener  <rguenther@suse.de>
9191
9192         PR lto/87187
9193         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9194         When in "legacy" debug mode make sure to reset self-origins.
9195
9196 2019-01-24  Martin Liska  <mliska@suse.cz>
9197
9198         PR gcov-profile/88994
9199         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9200         result will be always smaller or equal to the original.
9201         * gcov.c (mangle_name): Fix else branch where we should
9202         also copy to PTR and shift the pointer.
9203
9204 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9205
9206         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9207         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9208
9209 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9210
9211         * common/config/i386/i386-common.c
9212         (OPTION_MASK_ISA_ENQCMD_SET,
9213         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9214         (ix86_handle_option): Handle -menqcmd.
9215         * config.gcc (enqcmdintrin.h): New header file.
9216         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9217         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9218         -menqcmd.
9219         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9220         function type.
9221         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9222         __builtin_ia32_enqcmds): New builtins.
9223         * config/i386/i386-c.c (__ENQCMD__): New macro.
9224         * config/i386/i386-option.c (ix86_target_string): Add
9225         -menqcmd.
9226         (ix86_valid_target_attribute_inner_p): Likewise.
9227         * config/i386/i386-expand.c
9228         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9229         IX86_BUILTIN_ENQCMDS.
9230         * config/i386/i386.h (TARGET_ENQCMD): New.
9231         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9232         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9233         (movdir64b_<mode>): Parameterize to enable share expansion code
9234         with ENQCMD in function ix86_expand_builtin.
9235         * config/i386/i386.opt: Add -menqcmd.
9236         * config/i386/immintrin.h: Include enqcmdintrin.h.
9237         * config/i386/enqcmdintrin.h: New intrinsic file.
9238         * doc/invoke.texi: Add -menqcmd.
9239
9240 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9241             Steve Ellcey <sellcey@marvell.com>
9242
9243         PR target/85711
9244         * recog.c (address_operand): Return false on wrong mode for address.
9245         (constrain_operands): Check for mode with 'p' constraint.
9246
9247 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9248
9249         PR target/88998
9250         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9251         Disparage MMX alternative.
9252         (sse2_cvtpd2pi): Ditto.
9253         (sse2_cvttpd2pi): Ditto.
9254
9255 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9256
9257         PR driver/89014
9258         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9259         use-after-free of the result of
9260         aarch64_get_extension_string_for_isa_flags.
9261
9262 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9263
9264         PR c/44715
9265         * doc/extend.texi: Document break and continue behavior in
9266         statement expressions.
9267
9268 2019-01-23  Richard Biener  <rguenther@suse.de>
9269
9270         PR tree-optimization/89008
9271         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9272         not leave another stray operand.
9273
9274 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9275
9276         * BASE-VER: Bump to 9.0.1.
9277
9278 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9279
9280         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9281         thunk that returns by reference, use the type of the return object
9282         of the thunk instead of that of the alias to build the dereference.
9283
9284 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9285
9286         * config/arc/atomic.md: Add operand to DMB instruction.
9287
9288 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9289
9290         PR tree-optimization/88964
9291         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9292         build_zero_cst instead of build_int_cst.  Return false for loop
9293         invariants which honor signed zeros.
9294
9295 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9296
9297         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9298
9299 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9300
9301         PR target/88965
9302         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9303         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9304         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9305
9306         PR middle-end/88968
9307         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9308         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9309
9310         PR target/87064
9311         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9312         Disable for little endian.
9313
9314 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9315
9316         PR target/88469
9317         * config/arm/arm.c (arm_needs_double_word_align): Check
9318         DECL_BIT_FIELD_TYPE.
9319
9320 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9321             H.J. Lu  <hongjiu.lu@intel.com>
9322
9323         PR target/88909
9324         * config/i386/i386-builtin.def: Add mask2 to all builtin
9325         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9326         SPECIAL_ARGS.
9327         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9328         (BDESC_FIRST): Likewise.
9329         (define_builtin): Add an argument for mask2.  Updated to handle
9330         both ix86_isa_flags and ix86_isa_flags2.
9331         (define_builtin_const): Likewise.
9332         (define_builtin_pure): Likewise.
9333         (define_builtin2): Deleted.
9334         (define_builtin_const2): Likewise.
9335         (builtin_description): Add a member, mask2.
9336         (bdesc_*): Add mask2 to builtin initializations.
9337         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9338         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9339         support.
9340         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9341
9342 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9343
9344         PR target/88954
9345         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9346         noplt attribute.
9347
9348 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9349
9350         PR target/88469
9351         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9352         alignment is dominated by a bitfield with 64-bit aligned base type.
9353         (arm_function_arg): Emit a warning if the alignment has changed since
9354         earlier GCC releases.
9355         (arm_function_arg_boundary): Likewise.
9356         (arm_setup_incoming_varargs): Likewise.
9357
9358 2019-01-22  Richard Biener  <rguenther@suse.de>
9359
9360         PR tree-optimization/88862
9361         * graphite-scop-detection.c
9362         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9363
9364 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9365
9366         * doc/extend.tex (AMD GCN Function Attributes): New section.
9367         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9368         * doc/invoke.texi (AMD GCN Options): New section.
9369         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9370
9371 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9372
9373         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9374         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9375
9376 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9377
9378         PR tree-optimization/88044
9379         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9380         is false in the first iteration, but !every_iteration, return false
9381         instead of true with niter->niter zero.
9382
9383         PR rtl-optimization/88904
9384         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9385         any nonequal registers before processing BB_END (b).
9386
9387         PR target/88905
9388         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9389         GET_MODE (op0).
9390         (expand_binop_directly, expand_doubleword_clz,
9391         expand_doubleword_popcount, expand_ctz, expand_ffs,
9392         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9393
9394         PR rtl-optimization/49429
9395         PR target/49454
9396         PR rtl-optimization/86334
9397         PR target/88906
9398         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9399         addressable from here...
9400         (emit_block_op_via_libcall): ... to here.
9401
9402 2019-01-22  Richard Biener  <rguenther@suse.de>
9403
9404         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9405         auto_vec for cost vector to fix memleak.
9406         (vectorize_fold_left_reduction): Properly gather SLP defs.
9407         (vectorizable_comparison): Do not swap operands to properly
9408         gather SLP defs.
9409
9410 2019-01-22  Alan Modra  <amodra@gmail.com>
9411
9412         PR target/88614
9413         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9414         stays a reg.  Allow a const_int.
9415         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9416         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9417         (IS_NOMARK_TLSGETADDR): Define.
9418         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9419         (rs6000_output_tlsargs): New function.
9420         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9421         __tls_get_addr call takes an arg.
9422         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9423         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9424         delete split..
9425         (call_value_nonlocal_sysv): ..or here, delete split.
9426         (tls_gdld_nomark): Delete.
9427         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9428         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9429         (call_value_nonlocal_sysv): Likewise.
9430         (call_value_nonlocal_sysv_secure): Likewise.
9431         (call_value_nonlocal_aix): Likewise.
9432         (call_value_indirect_aix): Likewise.
9433         (call_value_indirect_elfv2): Likewise.
9434         (call_value_local32, call_value_local64): Disable for no-mark tls.
9435         (call_value_local_aix): Likewise.
9436
9437 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9438
9439         PR target/88938
9440         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9441         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9442
9443 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9444
9445         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9446         string contents as hash_map keys.
9447
9448 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9449
9450         PR c/88928
9451         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9452         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9453         instead of TYPE_ALIGN.
9454         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9455         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9456         pointer from TYPE_STUB_DECL.
9457
9458 2019-01-21  Richard Biener  <rguenther@suse.de>
9459
9460         PR tree-optimization/88934
9461         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9462         at the possibly non-constant operand.
9463         (vect_get_constant_vectors): Adjust.
9464
9465 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9466
9467         PR target/71659
9468         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9469         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9470         instead of _X86INTRIN_H_INCLUDED.
9471         * onfig/i386/clwbintrin.h: Likewise.
9472         * config/i386/pkuintrin.h: Likewise.
9473         * config/i386/prfchwintrin.h: Likewise.
9474         * config/i386/rdseedintrin.h: Likewise.
9475         * config/i386/wbnoinvdintrin.h: Likewise.
9476         * config/i386/xsavecintrin.h: Likewise.
9477         * config/i386/xsavesintrin.h: Likewise.
9478         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9479         * config/i386/xsaveintrin.h: Likewise.
9480         * config/i386/xsaveoptintrin.h: Likewise.
9481         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9482         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9483         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9484         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9485         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9486         * config/i386/immintrin.h: Here.
9487
9488 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9489
9490         PR ipa/87615
9491         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9492         with aa_walk_budget.
9493         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9494         aa_walk_budget_p parameter.
9495         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9496         walk.  Updated all callers.
9497         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9498         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9499         unmodified_parm.
9500         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9501         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9502         and to unmodified_parm.
9503         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9504         info, updated call to will_be_nonconstant_expr_predicate.
9505         (param_change_prob): New parameter fbi, limit AA walking.
9506         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9507         calls to various above functions.
9508         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9509         parameter.  Use it to limit AA walking.
9510         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9511         fbi, limit AA walk.
9512         (detect_type_change): New parameter fbi, pass it on to
9513         detect_type_change_from_memory_writes.
9514         (detect_type_change_ssa): Likewise.
9515         (aa_overwalked): Removed.
9516         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9517         accordingly, adjust to the neew AA limiting scheme.
9518         (parm_ref_data_preserved_p): Likewise.
9519         (ipa_compute_jump_functions_for_edge): Adjust call to
9520         get_dynamic_type.
9521         (ipa_analyze_call_uses): Likewise.
9522         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9523         (ipa_analyze_node): Initialize aa_walk_budget.
9524         (ipcp_transform_function): Likewise.
9525         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9526         to get_dynamic_type.
9527
9528 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9529
9530         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9531         outside of #if CHECKING_P code.
9532
9533 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9534
9535         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9536         New function, split out from...
9537         (loop_versioning::analyze_stride): ...here.
9538         (loop_versioning::find_per_loop_multiplication): Use gassign.
9539         (loop_versioning::analyze_term_using_scevs): Return a success code.
9540         (loop_versioning::analyze_arbitrary_term): New function.
9541         (loop_versioning::analyze_address_fragment): Use
9542         analyze_arbitrary_term if all else fails.
9543
9544 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9545
9546         PR target/88892
9547         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9548         operands.
9549
9550 2019-01-18  Richard Biener  <rguenther@suse.de>
9551
9552         PR tree-optimization/88903
9553         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9554         scalar stmts a SLP shift amount is composed of when detecting
9555         shifts by scalars.
9556
9557 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9558
9559         PR target/88799
9560         * config/arm/arm-cpus.in (mp): New feature.
9561         (sec): New feature.
9562         (fgroup ARMv7ve): Add mp and sec features.
9563         (arch armv7-a): Add options to allow mp and sec extensions.
9564         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9565         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9566         extenstions to the base architecture.
9567         (cpu cortex-a8): Add sec extension to the base architecture.
9568         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9569         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9570         variants down to the base v7-a varaint.
9571         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9572         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9573         of permitted extensions for -march=armv7-a and for
9574         -mcpu=generic-armv7-a.
9575
9576 2019-01-18  Martin Liska  <mliska@suse.cz>
9577
9578         * params.def: Fix comment.
9579         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9580         name.
9581         (gimple_gen_ic_func_profiler): Likewise.
9582
9583 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9584
9585         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9586         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9587         and put in error checks for stack protector guard options.
9588         (aarch64_stack_protect_guard): New.
9589         (TARGET_STACK_PROTECT_GUARD): Define.
9590         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9591         (reg_stack_protect_address<mode>): New.
9592         (stack_protect_set): Adjust for SSP_GLOBAL.
9593         (stack_protect_test): Likewise.
9594         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9595         (-mstack-protector-guard): Likewise.
9596         (-mstack-protector-guard-offset): Likewise.
9597
9598 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9599
9600         PR tree-optimization/86214
9601         * tree-inline.h (struct copy_body_data): Add
9602         add_clobbers_to_eh_landing_pads member.
9603         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9604         (copy_edges_for_bb): Call it if EH edge destination is <
9605         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9606         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9607         if flag_stack_reuse != SR_NONE and clear it afterwards.
9608
9609 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9610
9611         PR target/85596
9612         * doc/install.texi (with-multilib-list): Document for aarch64.
9613
9614 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9615
9616         PR target/88734
9617         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9618         (("..."))) with ("...").
9619
9620 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9621
9622         * doc/extend.texi (Built-in Functions for Memory Model Aware
9623         Atomic Operations): Document atomic fetch and nand.
9624
9625 2019-01-18  Martin Liska  <mliska@suse.cz>
9626             Richard Biener  <rguenther@suse.de>
9627
9628         PR middle-end/88587
9629         * cgraph.h (create_version_clone_with_body): Add new argument
9630         with attributes.
9631         * cgraphclones.c (cgraph_node::create_version_clone): Add
9632         DECL_ATTRIBUTES to a newly created decl.  And call
9633         valid_attribute_p so that proper cl_target_optimization_node
9634         is set for the newly created declaration.
9635         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9636         for declaration.
9637         (expand_target_clones): Do not call valid_attribute_p, it must
9638         be already done.
9639         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9640         vector types.
9641
9642 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9643
9644         PR target/88734
9645         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9646         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9647         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9648
9649 2019-01-17  Martin Sebor  <msebor@redhat.com>
9650
9651         PR middle-end/88273
9652         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9653         Handle anti-ranges the same as no range at all.
9654
9655 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9656
9657         * config/aarch64/aarch64.c (cgraph.h): New include.
9658         (intl.h): New include.
9659         (supported_simd_type): New function.
9660         (currently_supported_simd_type): Ditto.
9661         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9662         (aarch64_simd_clone_adjust): Ditto.
9663         (aarch64_simd_clone_usable): Ditto.
9664         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9665         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9666         (TARGET_SIMD_CLONE_USABLE): Ditto.
9667         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9668         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9669         call.
9670
9671 2019-01-17  Martin Sebor  <msebor@redhat.com>
9672
9673         PR tree-optimization/88800
9674         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9675         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9676         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9677         redundant argument.  Add new argument and issue diagnostics under
9678         its control.  Detect out-of-bounds access even with warnings
9679         disabled.
9680         (check_bounds_or_overlap): Change return type.  Add argument.
9681         (wrestrict_dom_walker::check_call): Adjust.
9682         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9683         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9684         check_bounds_or_overlap's return value.
9685         (handle_builtin_stxncpy): Same.
9686         (handle_builtin_strcat): Same.
9687
9688 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9689             Kwok Cheung Yeung  <kcy@codesourcery.com>
9690             Julian Brown  <julian@codesourcery.com>
9691             Tom de Vries  <tom@codesourcery.com>
9692
9693         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9694
9695 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9696
9697         * doc/sourcebuild.texi: Document dg-require-effective-target
9698         llvm_binutils and offload_gcn.
9699
9700 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9701             Kwok Cheung Yeung  <kcy@codesourcery.com>
9702             Julian Brown  <julian@codesourcery.com>
9703             Tom de Vries  <tom@codesourcery.com>
9704
9705         * doc/sourcebuild.texi: Document dg-required-effective-target
9706         exceptions.
9707
9708 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9709             Kwok Cheung Yeung  <kcy@codesourcery.com>
9710             Julian Brown  <julian@codesourcery.com>
9711             Tom de Vries  <tom@codesourcery.com>
9712             Jan Hubicka  <hubicka@ucw.cz>
9713             Martin Jambor  <mjambor@suse.cz>
9714
9715         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9716         * configure.ac: Check for dlopen.
9717         * configure: Regenerate.
9718
9719 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9720             Kwok Cheung Yeung  <kcy@codesourcery.com>
9721             Julian Brown  <julian@codesourcery.com>
9722             Tom de Vries  <tom@codesourcery.com>
9723             Jan Hubicka  <hubicka@ucw.cz>
9724             Martin Jambor  <mjambor@suse.cz>
9725
9726         * common/config/gcn/gcn-common.c: New file.
9727         * config/gcn/driver-gcn.c: New file.
9728         * config/gcn/gcn-builtins.def: New file.
9729         * config/gcn/gcn-hsa.h: New file.
9730         * config/gcn/gcn-modes.def: New file.
9731         * config/gcn/gcn-opts.h: New file.
9732         * config/gcn/gcn-passes.def: New file.
9733         * config/gcn/gcn-protos.h: New file.
9734         * config/gcn/gcn-run.c: New file.
9735         * config/gcn/gcn-tree.c: New file.
9736         * config/gcn/gcn.c: New file.
9737         * config/gcn/gcn.h: New file.
9738         * config/gcn/gcn.opt: New file.
9739         * config/gcn/t-gcn-hsa: New file.
9740
9741 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9742             Kwok Cheung Yeung  <kcy@codesourcery.com>
9743             Julian Brown  <julian@codesourcery.com>
9744             Tom de Vries  <tom@codesourcery.com>
9745             Jan Hubicka  <hubicka@ucw.cz>
9746             Martin Jambor  <mjambor@suse.cz>
9747
9748         * config/gcn/constraints.md: New file.
9749         * config/gcn/gcn-valu.md: New file.
9750         * config/gcn/gcn.md: New file.
9751         * config/gcn/predicates.md: New file.
9752
9753 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9754
9755         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9756         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9757         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9758         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9759
9760 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9761
9762         PR target/88851
9763         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9764         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9765         it and document registers.
9766
9767 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9768
9769         * config/aarch64/aarch64.c (ares_tunings): Define.
9770         * config/aarch64/aarch64-cores.def (ares): Use the above.
9771
9772 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9773
9774         PR target/88794
9775         Revert:
9776         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9777
9778         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9779         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9780         (_mm512_maskz_fixupimm_round_pd): Ditto.
9781         (_mm512_fixupimm_round_ps): Ditto.
9782         (_mm512_maskz_fixupimm_round_ps): Ditto.
9783         (_mm_fixupimm_round_sd): Ditto.
9784         (_mm_maskz_fixupimm_round_sd): Ditto.
9785         (_mm_fixupimm_round_ss): Ditto.
9786         (_mm_maskz_fixupimm_round_ss): Ditto.
9787         (_mm512_fixupimm_pd): Ditto.
9788         (_mm512_maskz_fixupimm_pd): Ditto.
9789         (_mm512_fixupimm_ps): Ditto.
9790         (_mm512_maskz_fixupimm_ps): Ditto.
9791         (_mm_fixupimm_sd): Ditto.
9792         (_mm_maskz_fixupimm_sd): Ditto.
9793         (_mm_fixupimm_ss): Ditto.
9794         (_mm_maskz_fixupimm_ss): Ditto.
9795         (_mm512_mask_fixupimm_round_pd): Update builtin.
9796         (_mm512_mask_fixupimm_round_ps): Ditto.
9797         (_mm_mask_fixupimm_round_sd): Ditto.
9798         (_mm_mask_fixupimm_round_ss): Ditto.
9799         (_mm512_mask_fixupimm_pd): Ditto.
9800         (_mm512_mask_fixupimm_ps): Ditto.
9801         (_mm_mask_fixupimm_sd): Ditto.
9802         (_mm_mask_fixupimm_ss): Ditto.
9803         * config/i386/avx512vlintrin.h:
9804         (_mm256_fixupimm_pd): Update parameters and builtin.
9805         (_mm256_maskz_fixupimm_pd): Ditto.
9806         (_mm256_fixupimm_ps): Ditto.
9807         (_mm256_maskz_fixupimm_ps): Ditto.
9808         (_mm_fixupimm_pd): Ditto.
9809         (_mm_maskz_fixupimm_pd): Ditto.
9810         (_mm_fixupimm_ps): Ditto.
9811         (_mm_maskz_fixupimm_ps): Ditto.
9812         (_mm256_mask_fixupimm_pd): Update builtin.
9813         (_mm256_mask_fixupimm_ps): Ditto.
9814         (_mm_mask_fixupimm_pd): Ditto.
9815         (_mm_mask_fixupimm_ps): Ditto.
9816         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9817         * config/i386/i386-builtin.def: Update builtin definitions.
9818         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9819         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9820         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9821         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9822         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9823         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9824         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9825         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9826         * config/i386/subst.md:
9827         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9828         (round_saeonly_sd_mask_op4): Ditto.
9829         (round_saeonly_expand_operand5): Ditto.
9830         (round_saeonly_expand): Update.
9831
9832 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9833
9834         PR target/88794
9835         Revert:
9836         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9837
9838         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9839         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9840         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9841         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9842         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9843         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9844         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9845
9846 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9847
9848         PR target/88794
9849         Revert:
9850         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9851
9852         PR target/88489
9853         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9854         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9855         instead of UNSPEC_FIXUPIMM.
9856
9857 2019-01-17  Richard Biener  <rguenther@suse.de>
9858
9859         PR lto/86736
9860         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9861         and friends for the LTO part of debug info.
9862
9863 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9864
9865         PR tree-optimization/86214
9866         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9867         if x == y.
9868
9869         PR rtl-optimization/88870
9870         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9871         throw if we can't alter the cfg or delete dead exceptions.
9872         (mark_insn): Don't call find_call_stack_args for such calls.
9873
9874 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9875
9876         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9877         prototypes for vec_st.
9878         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9879         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9880         mainly on signed/unsigned long long and double.
9881
9882 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9883
9884         PR target/88861
9885         * combine.c (delete_noop_moves): Convert to "bool" return,
9886         returning true if any edges are eliminated.
9887         (combine_instructions): Also return true if delete_noop_moves
9888         returns true.
9889
9890 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9891
9892         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9893         correct max nunits for endian swap.
9894         (aarch64_expand_fcmla_builtin): Correct subreg code.
9895         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9896         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9897         lane endianness.
9898
9899 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9900
9901         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9902         Handle split indirect COMPLEX_TYPE arguments.
9903
9904 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9905
9906         PR target/86891
9907         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9908         bit is set by add and compare.
9909         (CC_ADC): New CC_MODE.
9910         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9911         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9912         comparison.  Add detection for CC_ADCmode.
9913         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9914         CC_ADCmode.
9915         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9916         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9917         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9918         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9919         to eliminate the need for zero-extending the operands.
9920         (add<mode>3_compareC_imm): Delete.  Merge into ...
9921         (add<mode>3_compareC): ... this.  Restructure the comparison to
9922         eliminate the need for zero-extending the operands.
9923         (add<mode>3_carryin): Use LTU for the overflow detection.
9924         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9925         Reexpress comparison for overflow.
9926         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9927         (add<mode>3_carryinC): Likewise.
9928         (add<mode>3_carryinV): Use LTU for carry between partials.
9929         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9930         handling of CC_Cmode and add CC_ADCmode.
9931         (aarch64_borrow_operation): Likewise.
9932
9933 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9934
9935         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9936         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9937         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9938         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9939
9940 2019-01-16  Martin Liska  <mliska@suse.cz>
9941
9942         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9943         for GCC driver.
9944         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9945         a new argument.
9946         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9947         (path_prefix_reset): Move up in the source file.
9948         (find_fortran_preinclude_file): Make complex search for the
9949         fortran header files.
9950
9951 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9952
9953         * godump.c (go_output_typedef): When outputting a typedef, refer
9954         to the underlying type by its name and not its structure.
9955
9956 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9957
9958         PR c++/88795
9959         * tree.c (build_function_type): Assert that arg_types is not
9960         error_mark_node.
9961
9962 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9963
9964         PR inline-asm/52813
9965         * doc/extend.texi: Document that listing the stack pointer in the
9966         clobber list of an asm is a deprecated feature.
9967         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9968         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9969         warning instead of an error for clobbers of the stack pointer.
9970         Add a note explaining why.
9971
9972 2019-01-15  Richard Biener  <rguenther@suse.de>
9973
9974         PR debug/88046
9975         * dwarf2out.c (gen_member_die): Do not generate inheritance
9976         DIEs late.
9977
9978 2019-01-15  Richard Biener  <rguenther@suse.de>
9979
9980         PR tree-optimization/88855
9981         * tree-if-conv.c (combine_blocks): Collect
9982         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
9983
9984 2019-01-15  Tom de Vries  <tdevries@suse.de>
9985
9986         PR target/80547
9987         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
9988         lhs == NULL_TREE for gang-level reduction.
9989
9990 2019-01-15  Richard Biener  <rguenther@suse.de>
9991             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9992
9993         PR ipa/88788
9994         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
9995         return true if SSA_NAME is already marked in visited bitmap.
9996         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
9997
9998 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
9999
10000         PR tree-optimization/88775
10001         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
10002         equal == 0 equality pointer comparisons some more if compared in
10003         integral types and either one points to an automatic var and the
10004         other to a global, or we can prove at least one points to the middle
10005         or both point to start or both point to end.
10006
10007 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10008
10009         * Makefile.in: Lower autofdo sampling rate by 10x.
10010         * Makefile.tpl: Dito.
10011
10012 2019-01-14  Tom Honermann  <tom@honermann.net>
10013
10014         * defaults.h: Define CHAR8_TYPE.
10015
10016 2019-01-14  Martin Sebor  <msebor@redhat.com>
10017
10018         PR target/88638
10019         * doc/extend.texi (Darwin Format Checks): Clarify.
10020
10021 2019-01-14  Richard Biener  <rguenther@suse.de>
10022
10023         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10024         whether we are in (simplify ...) or (match ...) context.
10025
10026 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10027
10028         PR rtl-optimization/88796
10029         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10030         * cfgexpand.c (stack_protect_prologue): Initialize
10031         crtl->stack_protect_guard_decl.
10032         * function.c (stack_protect_epilogue): Use it instead of calling
10033         targetm.stack_protect_guard again.
10034         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10035         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10036         crtl->stack_protect_guard_decl.
10037         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10038         on the returned MEM_EXPR.
10039
10040 2019-01-12  Tom de Vries  <tdevries@suse.de>
10041
10042         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10043         vector length using -fopenacc-dim.
10044
10045 2019-01-12  Tom de Vries  <tdevries@suse.de>
10046
10047         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10048         lengths into account.
10049
10050 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10051
10052         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10053         (TARGET_CAN_SPLIT_STACK): Define.
10054         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10055
10056 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10057
10058         * params.def (inline-unit-growth): Set to 40.
10059
10060 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10061
10062         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10063
10064 2019-01-12  Tom de Vries  <tdevries@suse.de>
10065
10066         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10067         region calling vector-partitionable routine, set default_vector_length
10068         to WARP_SIZE.
10069
10070 2019-01-12  Tom de Vries  <tdevries@suse.de>
10071
10072         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10073         variable default_vector_length.
10074
10075 2019-01-12  Tom de Vries  <tdevries@suse.de>
10076
10077         PR middle-end/88703
10078         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10079         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10080         dimensions limits.
10081
10082 2019-01-12  Tom de Vries  <tdevries@suse.de>
10083
10084         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10085         (nvptx_goacc_validate_dims): Add used parameter.
10086         * doc/tm.texi: Regenerate.
10087         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10088         argument to call to targetm.goacc.validate_dims.
10089         (default_goacc_validate_dims): Add used
10090         parameter.
10091         * target.def (validate_dims): Add used parameter in DEFHOOK.
10092         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10093
10094 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10095
10096         PR middle-end/85956
10097         PR lto/88733
10098         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10099         field.
10100         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10101         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10102         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10103         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10104
10105 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10106
10107         PR rtl-optimization/87305
10108         * lra-assigns.c
10109         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10110         for little endian pseudos used as paradoxical subreg.
10111
10112 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10113
10114         PR tree-optimization/88693
10115         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10116         for STRING_CSTs that don't contain any NUL characters in the first
10117         TREE_STRING_LENGTH bytes.
10118
10119 2019-01-11  Alan Modra  <amodra@gmail.com>
10120
10121         PR 88777
10122         PR 88614
10123         * genattrtab.c (min_fn): Don't translate values.
10124         (min_attr_value): Return INT_MAX when the value can't be calculated.
10125         Return minimum among any values that can be calculated.
10126         (max_attr_value): Adjust.
10127
10128 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10129
10130         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10131
10132 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10133
10134         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10135         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10136         (aarch64_return_call_with_max_clobbers): New function.
10137         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10138         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10139         argument.
10140         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10141         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10142         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10143         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10144         * cselib.c (cselib_process_insn): Add argument to
10145         targetm.hard_regno_call_part_clobbered call.
10146         * ira-conflicts.c (ira_build_conflicts): Ditto.
10147         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10148         * lra-constraints.c (inherit_reload_reg): Ditto.
10149         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10150         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10151         argument.  Call targetm.return_call_with_max_clobbers.
10152         Add argument to targetm.hard_regno_call_part_clobbered call.
10153         (calls_have_same_clobbers_p): New function.
10154         (process_bb_lives): Add call_insn and last_call_insn variables.
10155         Pass call_insn to check_pseudos_live_through_calls.
10156         Modify if stmt to check targetm.return_call_with_max_clobbers.
10157         Update setting of flush variable.
10158         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10159         to false.
10160         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10161         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10162         targetm.hard_regno_call_part_clobbered call.
10163         * reginfo.c (choose_hard_reg_mode): Ditto.
10164         * regrename.c (check_new_reg_p): Ditto.
10165         * reload.c (find_equiv_reg): Ditto.
10166         * reload1.c (emit_reload_insns): Ditto.
10167         * sched-deps.c (deps_analyze_insn): Ditto.
10168         * sel-sched.c (init_regs_for_mode): Ditto.
10169         (mark_unavailable_hard_regs): Ditto.
10170         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10171         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10172         (return_call_with_max_clobbers): New target function.
10173         * doc/tm.texi: Regenerate.
10174         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10175         * hooks.c (hook_bool_uint_mode_false): Change to
10176         hook_bool_insn_uint_mode_false.
10177         * hooks.h (hook_bool_uint_mode_false): Ditto.
10178
10179 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10180
10181         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10182         (aarch64_remove_extra_call_preserved_regs): New function.
10183         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10184         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10185         * doc/tm.texi: Regenerate.
10186         * final.c (get_call_reg_set_usage): Call new hook.
10187         * target.def (remove_extra_call_preserved_regs): New hook.
10188         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10189         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10190
10191 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10192
10193         PR bootstrap/88714
10194         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10195         inside of pass_combine_1 dump rather than pass_profile_1.
10196
10197 2019-01-11  Tom de Vries  <tdevries@suse.de>
10198
10199         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10200         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10201         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10202         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10203         num_workers 16.
10204
10205 2019-01-11  Tom de Vries  <tdevries@suse.de>
10206
10207         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10208
10209 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10210
10211         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10212         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10213         sse2_cvtsi2sd): Add {l}.
10214         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10215         syntax.
10216
10217 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10218
10219         PR target/88785
10220         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10221         define_expand.
10222         (*float<floatunssuffix>v2div2sf2): New define_insn.
10223         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10224         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10225         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10226         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10227         match_operands with "const0_operand" "C".
10228
10229 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10230
10231         * config/aarch64/aarch64-builtins.c
10232         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10233         (aarch64_init_simd_builtins): ...Here
10234
10235 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10236
10237         PR rtl-optimization/87305
10238         * lra-assigns.c
10239         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10240         allocation for big endian pseudos used as paradoxical subregs and
10241         spill them if it is wrong.
10242         * lra-constraints.c (lra_constraints): Add a comment.
10243
10244 2019-01-10  Richard Biener  <rguenther@suse.de>
10245
10246         PR tree-optimization/88792
10247         * tree-ssa-pre.c (get_representative_for): Do not return a
10248         value-number here.
10249
10250 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10251
10252         PR middle-end/84877
10253         PR bootstrap/88450
10254         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10255         (assign_parm_setup_block): Do the argument slot realignment here
10256         instead.
10257
10258 2019-01-10  Stefan Agner  <stefan@agner.ch>
10259
10260         PR target/88648
10261         * config/arm/arm.c (arm_option_override_internal): Force
10262         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10263
10264 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10265
10266         PR c/88568
10267         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10268         DECL_EXTERNAL.
10269
10270 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10271
10272         * config/arm/arm-builtins.c
10273         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10274         (MAC_LANE_PAIR_QUALIFIERS): New.
10275         (arm_expand_builtin_args): Use it.
10276         (arm_expand_builtin_1): Likewise.
10277         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10278         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10279         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10280         * config/arm/arm_neon.h:
10281         (vcadd_rot90_f16): New.
10282         (vcaddq_rot90_f16): New.
10283         (vcadd_rot270_f16): New.
10284         (vcaddq_rot270_f16): New.
10285         (vcmla_f16): New.
10286         (vcmlaq_f16): New.
10287         (vcmla_lane_f16): New.
10288         (vcmla_laneq_f16): New.
10289         (vcmlaq_lane_f16): New.
10290         (vcmlaq_laneq_f16): New.
10291         (vcmla_rot90_f16): New.
10292         (vcmlaq_rot90_f16): New.
10293         (vcmla_rot90_lane_f16): New.
10294         (vcmla_rot90_laneq_f16): New.
10295         (vcmlaq_rot90_lane_f16): New.
10296         (vcmlaq_rot90_laneq_f16): New.
10297         (vcmla_rot180_f16): New.
10298         (vcmlaq_rot180_f16): New.
10299         (vcmla_rot180_lane_f16): New.
10300         (vcmla_rot180_laneq_f16): New.
10301         (vcmlaq_rot180_lane_f16): New.
10302         (vcmlaq_rot180_laneq_f16): New.
10303         (vcmla_rot270_f16): New.
10304         (vcmlaq_rot270_f16): New.
10305         (vcmla_rot270_lane_f16): New.
10306         (vcmla_rot270_laneq_f16): New.
10307         (vcmlaq_rot270_lane_f16): New.
10308         (vcmlaq_rot270_laneq_f16): New.
10309         (vcadd_rot90_f32): New.
10310         (vcaddq_rot90_f32): New.
10311         (vcadd_rot270_f32): New.
10312         (vcaddq_rot270_f32): New.
10313         (vcmla_f32): New.
10314         (vcmlaq_f32): New.
10315         (vcmla_lane_f32): New.
10316         (vcmla_laneq_f32): New.
10317         (vcmlaq_lane_f32): New.
10318         (vcmlaq_laneq_f32): New.
10319         (vcmla_rot90_f32): New.
10320         (vcmlaq_rot90_f32): New.
10321         (vcmla_rot90_lane_f32): New.
10322         (vcmla_rot90_laneq_f32): New.
10323         (vcmlaq_rot90_lane_f32): New.
10324         (vcmlaq_rot90_laneq_f32): New.
10325         (vcmla_rot180_f32): New.
10326         (vcmlaq_rot180_f32): New.
10327         (vcmla_rot180_lane_f32): New.
10328         (vcmla_rot180_laneq_f32): New.
10329         (vcmlaq_rot180_lane_f32): New.
10330         (vcmlaq_rot180_laneq_f32): New.
10331         (vcmla_rot270_f32): New.
10332         (vcmlaq_rot270_f32): New.
10333         (vcmla_rot270_lane_f32): New.
10334         (vcmla_rot270_laneq_f32): New.
10335         (vcmlaq_rot270_lane_f32): New.
10336         (vcmlaq_rot270_laneq_f32): New.
10337         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10338         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10339         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10340         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10341         vcmlaq_lane270): New.
10342         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10343         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10344         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10345         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10346         (arm_option_reconfigure_globals): Use them.
10347         * config/arm/iterators.md (VDF, VQ_HSF): New.
10348         (VCADD, VCMLA): New.
10349         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10350         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10351         New.
10352         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10353         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10354
10355 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10356
10357         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10358         Add qualifier_lane_pair_index.
10359         (emit-rtl.h): Include.
10360         (TYPES_QUADOP_LANE_PAIR): New.
10361         (aarch64_simd_expand_args): Use it.
10362         (aarch64_simd_expand_builtin): Likewise.
10363         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10364         New.
10365         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10366         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10367         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10368         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10369         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10370         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10371         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10372         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10373         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10374         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10375         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10376         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10377         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10378         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10379         Add __ARM_FEATURE_COMPLEX.
10380         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10381         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10382         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10383         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10384         fcmlaq_lane270): New.
10385         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10386         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10387         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10388         * config/aarch64/arm_neon.h:
10389         (vcadd_rot90_f16): New.
10390         (vcaddq_rot90_f16): New.
10391         (vcadd_rot270_f16): New.
10392         (vcaddq_rot270_f16): New.
10393         (vcmla_f16): New.
10394         (vcmlaq_f16): New.
10395         (vcmla_lane_f16): New.
10396         (vcmla_laneq_f16): New.
10397         (vcmlaq_lane_f16): New.
10398         (vcmlaq_rot90_lane_f16): New.
10399         (vcmla_rot90_laneq_f16): New.
10400         (vcmla_rot90_lane_f16): New.
10401         (vcmlaq_rot90_f16): New.
10402         (vcmla_rot90_f16): New.
10403         (vcmlaq_laneq_f16): New.
10404         (vcmla_rot180_laneq_f16): New.
10405         (vcmla_rot180_lane_f16): New.
10406         (vcmlaq_rot180_f16): New.
10407         (vcmla_rot180_f16): New.
10408         (vcmlaq_rot90_laneq_f16): New.
10409         (vcmlaq_rot270_laneq_f16): New.
10410         (vcmlaq_rot270_lane_f16): New.
10411         (vcmla_rot270_laneq_f16): New.
10412         (vcmlaq_rot270_f16): New.
10413         (vcmla_rot270_f16): New.
10414         (vcmlaq_rot180_laneq_f16): New.
10415         (vcmlaq_rot180_lane_f16): New.
10416         (vcmla_rot270_lane_f16): New.
10417         (vcadd_rot90_f32): New.
10418         (vcaddq_rot90_f32): New.
10419         (vcaddq_rot90_f64): New.
10420         (vcadd_rot270_f32): New.
10421         (vcaddq_rot270_f32): New.
10422         (vcaddq_rot270_f64): New.
10423         (vcmla_f32): New.
10424         (vcmlaq_f32): New.
10425         (vcmlaq_f64): New.
10426         (vcmla_lane_f32): New.
10427         (vcmla_laneq_f32): New.
10428         (vcmlaq_lane_f32): New.
10429         (vcmlaq_laneq_f32): New.
10430         (vcmla_rot90_f32): New.
10431         (vcmlaq_rot90_f32): New.
10432         (vcmlaq_rot90_f64): New.
10433         (vcmla_rot90_lane_f32): New.
10434         (vcmla_rot90_laneq_f32): New.
10435         (vcmlaq_rot90_lane_f32): New.
10436         (vcmlaq_rot90_laneq_f32): New.
10437         (vcmla_rot180_f32): New.
10438         (vcmlaq_rot180_f32): New.
10439         (vcmlaq_rot180_f64): New.
10440         (vcmla_rot180_lane_f32): New.
10441         (vcmla_rot180_laneq_f32): New.
10442         (vcmlaq_rot180_lane_f32): New.
10443         (vcmlaq_rot180_laneq_f32): New.
10444         (vcmla_rot270_f32): New.
10445         (vcmlaq_rot270_f32): New.
10446         (vcmlaq_rot270_f64): New.
10447         (vcmla_rot270_lane_f32): New.
10448         (vcmla_rot270_laneq_f32): New.
10449         (vcmlaq_rot270_lane_f32): New.
10450         (vcmlaq_rot270_laneq_f32): New.
10451         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10452         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10453         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10454         (FCADD, FCMLA): New.
10455         (rot): New.
10456         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10457
10458 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10459
10460         PR other/16615
10461
10462         * config/pa/pa.c: Change "can not" to "cannot".
10463         * gimple-ssa-evrp-analyze.c: Likewise.
10464         * ipa-icf.c: Likewise.
10465         * ipa-polymorphic-call.c: Likewise.
10466         * ipa-pure-const.c: Likewise.
10467         * lra-constraints.c: Likewise.
10468         * lra-remat.c: Likewise.
10469         * reload1.c: Likewise.
10470         * reorg.c: Likewise.
10471         * tree-ssa-uninit.c: Likewise.
10472
10473 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10474
10475         PR other/16615
10476
10477         * Makefile.in: Mechanically replace "can not" with "cannot".
10478         * alias.c: Likewise.
10479         * builtins.c: Likewise.
10480         * calls.c: Likewise.
10481         * cgraph.c: Likewise.
10482         * cgraph.h: Likewise.
10483         * cgraphclones.c: Likewise.
10484         * cgraphunit.c: Likewise.
10485         * combine-stack-adj.c: Likewise.
10486         * combine.c: Likewise.
10487         * common/config/i386/i386-common.c: Likewise.
10488         * config/aarch64/aarch64.c: Likewise.
10489         * config/alpha/sync.md: Likewise.
10490         * config/arc/arc.c: Likewise.
10491         * config/arc/predicates.md: Likewise.
10492         * config/arm/arm-c.c: Likewise.
10493         * config/arm/arm.c: Likewise.
10494         * config/arm/arm.h: Likewise.
10495         * config/arm/arm.md: Likewise.
10496         * config/arm/cortex-r4f.md: Likewise.
10497         * config/csky/csky.c: Likewise.
10498         * config/csky/csky.h: Likewise.
10499         * config/darwin-f.c: Likewise.
10500         * config/epiphany/epiphany.md: Likewise.
10501         * config/i386/i386.c: Likewise.
10502         * config/i386/sol2.h: Likewise.
10503         * config/m68k/m68k.c: Likewise.
10504         * config/mcore/mcore.h: Likewise.
10505         * config/microblaze/microblaze.md: Likewise.
10506         * config/mips/20kc.md: Likewise.
10507         * config/mips/sb1.md: Likewise.
10508         * config/nds32/nds32.c: Likewise.
10509         * config/nds32/predicates.md: Likewise.
10510         * config/pa/pa.c: Likewise.
10511         * config/rs6000/e300c2c3.md: Likewise.
10512         * config/rs6000/rs6000.c: Likewise.
10513         * config/s390/s390.h: Likewise.
10514         * config/sh/sh.c: Likewise.
10515         * config/sh/sh.md: Likewise.
10516         * config/spu/vmx2spu.h: Likewise.
10517         * cprop.c: Likewise.
10518         * dbxout.c: Likewise.
10519         * df-scan.c: Likewise.
10520         * doc/cfg.texi: Likewise.
10521         * doc/extend.texi: Likewise.
10522         * doc/fragments.texi: Likewise.
10523         * doc/gty.texi: Likewise.
10524         * doc/invoke.texi: Likewise.
10525         * doc/lto.texi: Likewise.
10526         * doc/md.texi: Likewise.
10527         * doc/objc.texi: Likewise.
10528         * doc/rtl.texi: Likewise.
10529         * doc/tm.texi: Likewise.
10530         * dse.c: Likewise.
10531         * emit-rtl.c: Likewise.
10532         * emit-rtl.h: Likewise.
10533         * except.c: Likewise.
10534         * expmed.c: Likewise.
10535         * expr.c: Likewise.
10536         * fold-const.c: Likewise.
10537         * genautomata.c: Likewise.
10538         * gimple-fold.c: Likewise.
10539         * hard-reg-set.h: Likewise.
10540         * ifcvt.c: Likewise.
10541         * ipa-comdats.c: Likewise.
10542         * ipa-cp.c: Likewise.
10543         * ipa-devirt.c: Likewise.
10544         * ipa-fnsummary.c: Likewise.
10545         * ipa-icf.c: Likewise.
10546         * ipa-inline-transform.c: Likewise.
10547         * ipa-inline.c: Likewise.
10548         * ipa-polymorphic-call.c: Likewise.
10549         * ipa-profile.c: Likewise.
10550         * ipa-prop.c: Likewise.
10551         * ipa-pure-const.c: Likewise.
10552         * ipa-reference.c: Likewise.
10553         * ipa-split.c: Likewise.
10554         * ipa-visibility.c: Likewise.
10555         * ipa.c: Likewise.
10556         * ira-build.c: Likewise.
10557         * ira-color.c: Likewise.
10558         * ira-conflicts.c: Likewise.
10559         * ira-costs.c: Likewise.
10560         * ira-int.h: Likewise.
10561         * ira-lives.c: Likewise.
10562         * ira.c: Likewise.
10563         * ira.h: Likewise.
10564         * loop-invariant.c: Likewise.
10565         * loop-unroll.c: Likewise.
10566         * lower-subreg.c: Likewise.
10567         * lra-assigns.c: Likewise.
10568         * lra-constraints.c: Likewise.
10569         * lra-eliminations.c: Likewise.
10570         * lra-lives.c: Likewise.
10571         * lra-remat.c: Likewise.
10572         * lra-spills.c: Likewise.
10573         * lra.c: Likewise.
10574         * lto-cgraph.c: Likewise.
10575         * lto-streamer-out.c: Likewise.
10576         * postreload-gcse.c: Likewise.
10577         * predict.c: Likewise.
10578         * profile-count.h: Likewise.
10579         * profile.c: Likewise.
10580         * recog.c: Likewise.
10581         * ree.c: Likewise.
10582         * reload.c: Likewise.
10583         * reload1.c: Likewise.
10584         * reorg.c: Likewise.
10585         * resource.c: Likewise.
10586         * rtl.def: Likewise.
10587         * rtl.h: Likewise.
10588         * rtlanal.c: Likewise.
10589         * sched-deps.c: Likewise.
10590         * sched-ebb.c: Likewise.
10591         * sched-rgn.c: Likewise.
10592         * sel-sched-ir.c: Likewise.
10593         * sel-sched.c: Likewise.
10594         * shrink-wrap.c: Likewise.
10595         * simplify-rtx.c: Likewise.
10596         * symtab.c: Likewise.
10597         * target.def: Likewise.
10598         * toplev.c: Likewise.
10599         * tree-call-cdce.c: Likewise.
10600         * tree-cfg.c: Likewise.
10601         * tree-complex.c: Likewise.
10602         * tree-core.h: Likewise.
10603         * tree-eh.c: Likewise.
10604         * tree-inline.c: Likewise.
10605         * tree-loop-distribution.c: Likewise.
10606         * tree-nrv.c: Likewise.
10607         * tree-profile.c: Likewise.
10608         * tree-sra.c: Likewise.
10609         * tree-ssa-alias.c: Likewise.
10610         * tree-ssa-dce.c: Likewise.
10611         * tree-ssa-dom.c: Likewise.
10612         * tree-ssa-forwprop.c: Likewise.
10613         * tree-ssa-loop-im.c: Likewise.
10614         * tree-ssa-loop-ivcanon.c: Likewise.
10615         * tree-ssa-loop-ivopts.c: Likewise.
10616         * tree-ssa-loop-niter.c: Likewise.
10617         * tree-ssa-phionlycprop.c: Likewise.
10618         * tree-ssa-phiopt.c: Likewise.
10619         * tree-ssa-propagate.c: Likewise.
10620         * tree-ssa-threadedge.c: Likewise.
10621         * tree-ssa-threadupdate.c: Likewise.
10622         * tree-ssa-uninit.c: Likewise.
10623         * tree-ssanames.c: Likewise.
10624         * tree-streamer-out.c: Likewise.
10625         * tree.c: Likewise.
10626         * tree.h: Likewise.
10627         * vr-values.c: Likewise.
10628
10629 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10630
10631         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10632         (ix86_split_xorsign): Ditto.
10633         * config/i386/i386.c (ix86_expand_xorsign): New function.
10634         (ix86_split_xorsign): Ditto.
10635         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10636         (xorsign<mode>3): New expander.
10637         (xorsign<mode>3_1): New insn_and_split pattern.
10638         * config/i386/sse.md (xorsign<mode>3): New expander.
10639
10640 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10641
10642         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10643         (*tablejump_sp64): Likewise.
10644         (*tablejump<P:mode>): ...this.
10645         (*call_address_sp32): Merge into...
10646         (*call_address_sp64): Likewise.
10647         (*call_address<P:mode>): ...this.
10648         (*call_symbolic_sp32): Merge into...
10649         (*call_symbolic_sp64): Likewise.
10650         (*call_symbolic<P:mode>): ...this.
10651         (call_value): Remove constraint and add predicate.
10652         (*call_value_address_sp32): Merge into...
10653         (*call_value_address_sp64): Likewise.
10654         (*call_value_address<P:mode>): ...this.
10655         (*call_value_symbolic_sp32): Merge into...
10656         (*call_value_symbolic_sp64): Likewise.
10657         (*call_value_symbolic<P:mode>): ...this.
10658         (*sibcall_symbolic_sp32): Merge into...
10659         (*sibcall_symbolic_sp64): Likewise.
10660         (*sibcall_symbolic<P:mode>): ...this.
10661         (sibcall_value): Remove constraint and add predicate.
10662         (*sibcall_value_symbolic_sp32): Merge into...
10663         (*sibcall_value_symbolic_sp64): Likewise.
10664         (*sibcall_value_symbolic<P:mode>): ...this.
10665         (window_save): Minor tweak.
10666         (*branch_sp32): Merge into...
10667         (*branch_sp64): Likewise.
10668         (*branch<P:mode>): ...this.
10669
10670 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10671             James Clarke  <jrtc27@jrtc27.com>
10672
10673         PR target/84010
10674         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10675         consistently in TLS address generation and adjust code to the renaming
10676         of patterns.  Mark calls to __tls_get_addr as const.
10677         * config/sparc/sparc.md (tgd_hi22): Turn into...
10678         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10679         (tgd_lo10): Turn into...
10680         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10681         (tgd_add32): Merge into...
10682         (tgd_add64): Likewise.
10683         (tgd_add<P:mode>): ...this and use Pmode throughout.
10684         (tldm_hi22): Turn into...
10685         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10686         (tldm_lo10): Turn into...
10687         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10688         (tldm_add32): Merge into...
10689         (tldm_add64): Likewise.
10690         (tldm_add<P:mode>): ...this and use Pmode throughout.
10691         (tldm_call32): Merge into...
10692         (tldm_call64): Likewise.
10693         (tldm_call<P:mode>): ...this and use Pmode throughout.
10694         (tldo_hix22): Turn into...
10695         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10696         (tldo_lox10): Turn into...
10697         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10698         (tldo_add32): Merge into...
10699         (tldo_add64): Likewise.
10700         (tldo_add<P:mode>): ...this and use Pmode throughout.
10701         (tie_hi22): Turn into...
10702         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10703         (tie_lo10): Turn into...
10704         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10705         (tie_ld64): Use DImode throughout.
10706         (tie_add32): Merge into...
10707         (tie_add64): Likewise.
10708         (tie_add<P:mode>): ...this and use Pmode throughout.
10709         (tle_hix22_sp32): Merge into...
10710         (tle_hix22_sp64): Likewise.
10711         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10712         (tle_lox22_sp32): Merge into...
10713         (tle_lox22_sp64): Likewise.
10714         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10715         (*tldo_ldub_sp32): Merge into...
10716         (*tldo_ldub_sp64): Likewise.
10717         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10718         (*tldo_ldub1_sp32): Merge into...
10719         (*tldo_ldub1_sp64): Likewise.
10720         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10721         (*tldo_ldub2_sp32): Merge into...
10722         (*tldo_ldub2_sp64): Likewise.
10723         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10724         (*tldo_ldsb1_sp32): Merge into...
10725         (*tldo_ldsb1_sp64): Likewise.
10726         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10727         (*tldo_ldsb2_sp32): Merge into...
10728         (*tldo_ldsb2_sp64): Likewise.
10729         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10730         (*tldo_ldub3_sp64): Use DImode throughout.
10731         (*tldo_ldsb3_sp64): Likewise.
10732         (*tldo_lduh_sp32): Merge into...
10733         (*tldo_lduh_sp64): Likewise.
10734         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10735         (*tldo_lduh1_sp32): Merge into...
10736         (*tldo_lduh1_sp64): Likewise.
10737         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10738         (*tldo_ldsh1_sp32): Merge into...
10739         (*tldo_ldsh1_sp64): Likewise.
10740         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10741         (*tldo_lduh2_sp64): Use DImode throughout.
10742         (*tldo_ldsh2_sp64): Likewise.
10743         (*tldo_lduw_sp32): Merge into...
10744         (*tldo_lduw_sp64): Likewise.
10745         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10746         (*tldo_lduw1_sp64): Use DImode throughout.
10747         (*tldo_ldsw1_sp64): Likewise.
10748         (*tldo_ldx_sp64): Likewise.
10749         (*tldo_stb_sp32): Merge into...
10750         (*tldo_stb_sp64): Likewise.
10751         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10752         (*tldo_sth_sp32): Merge into...
10753         (*tldo_sth_sp64): Likewise.
10754         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10755         (*tldo_stw_sp32): Merge into...
10756         (*tldo_stw_sp64): Likewise.
10757         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10758         (*tldo_stx_sp64): Use DImode throughout.
10759
10760 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10761
10762         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10763         check configure option to set BTI and Return Address Signing.
10764         * configure.ac: Add --enable-standard-branch-protection and
10765         --disable-standard-branch-protection.
10766         * configure: Regenerated.
10767         * doc/install.texi: Document the same.
10768
10769 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10770             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10771
10772         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10773         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10774         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10775         if bti is enabled.
10776         * config/aarch64/aarch64-bti-insert.c: New file.
10777         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10778         pass.
10779         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10780         new bti pass.
10781         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10782         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10783         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10784         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10785
10786 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10787
10788         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10789         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10790         Disable bti for -mbranch-protection=none.
10791         (aarch64_handle_standard_branch_protection): Enable bti for
10792         -mbranch-protection=standard.
10793         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10794         -mbranch-protection.
10795         (aarch64_bti_enabled): Check if bti is enabled.
10796         * config/aarch64/aarch64.opt: Declare target variable.
10797         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10798
10799 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10800
10801         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10802         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10803         (aarch64_expand_epilogue): Likewise.
10804         (aarch64_output_mi_thunk): Likewise
10805         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10806         TAILCALL_ADDR_REGS to x16 and x17.
10807         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10808
10809 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10810
10811         * config/aarch64/aarch64-option-extensions.def: Define
10812         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10813         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10814         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10815         (AARCH64_FL_PREDRES): New.
10816         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10817         AARCH64_FL_PREDRES by default.
10818         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10819
10820 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10821
10822         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10823         ARMv8.5-A.
10824         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10825         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10826         * doc/invoke.texi: Document ARMv8.5-A.
10827
10828 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10829
10830         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10831         (xorsign<mode>3): Likewise.
10832
10833 2019-01-09  Jelinek  <jakub@redhat.com>
10834
10835         PR middle-end/88758
10836         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10837         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10838
10839         PR rtl-optimization/88331
10840         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10841         not currently_expanding_to_rtl.
10842
10843 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10844
10845         * doc/invoke.texi (-Os): Remove trailing spaces.
10846         (-finline-functions): Remove reference to -O2.
10847
10848 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10849
10850         PR rtl-optimization/79593
10851         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10852
10853         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10854         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10855
10856 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10857
10858         PR bootstrap/88721
10859         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10860         to -1 on entry.
10861
10862         PR debug/88723
10863         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10864         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10865
10866 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10867
10868         PR target/88717
10869         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10870         ix86_avx_u128_mode_entry.
10871
10872 2019-01-08  Martin Liska  <mliska@suse.cz>
10873
10874         PR tree-optimization/88753
10875         * tree-switch-conversion.c (switch_conversion::build_one_array):
10876         Come up with local variable constructor.  Convert first to
10877         type of constructor values.
10878
10879 2019-01-08  Richard Biener  <rguenther@suse.de>
10880
10881         PR tree-optimization/86554
10882         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10883         rpo_avail): Move earlier.
10884         (visit_nary_op): When value-numbering to expressions
10885         with different overflow behavior make sure there's an
10886         available expression on the path.
10887
10888 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10889
10890         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10891         aarch64_parse_branch_protection,
10892         struct aarch64_branch_protect_type,
10893         aarch64_handle_no_branch_protection,
10894         aarch64_handle_standard_branch_protection,
10895         aarch64_validate_mbranch_protection,
10896         aarch64_handle_pac_ret_protection,
10897         aarch64_handle_attr_branch_protection,
10898         accepted_branch_protection_string,
10899         aarch64_pac_ret_subtypes,
10900         aarch64_branch_protect_types,
10901         aarch64_handle_pac_ret_leaf): Define.
10902         (aarch64_override_options_after_change_1, aarch64_override_options):
10903         Add check for accepted_branch_protection_string.
10904         (aarch64_option_save): Save accepted_branch_protection_string.
10905         (aarch64_option_restore): Save accepted_branch_protection_string.
10906         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10907         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10908         msign-return-address.
10909         * doc/invoke.texi: Add mbranch-protection.
10910
10911 2019-01-08  Alan Modra  <amodra@gmail.com>
10912
10913         PR target/88614
10914         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10915         Delete "unknownp" parameter.  Adjust callers.  Handle
10916         CONST_INT, PLUS, MINUS, and MULT.
10917         (attr_value_aligned): Renamed from or_attr_value.
10918         (min_attr_value): Return INT_MIN for unhandled rtl case..
10919         (min_fn): ..and translate to INT_MAX here.
10920         (write_length_unit_log): Modify to cope without "unknown".
10921         (write_attr_value): Handle IF_THEN_ELSE.
10922
10923 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10924
10925         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10926         optimization for masked stores.
10927
10928 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10929
10930         PR middle-end/88567
10931         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10932         output vector directly to duplicate_and_interleave instead of
10933         going through a temporary.  Postpone insertion of ctor_seq to
10934         the end of the loop.
10935
10936 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10937
10938         PR target/86891
10939         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10940         unsigned_p.  Handle signed and unsigned overflow correction as
10941         required.
10942         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10943         prototype.
10944         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10945         for operand 2.
10946         (add<mode>3_compareV_imm): Make this callable for expanding.
10947         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10948         aarch64_plus_operand for operand 2.
10949         (subv<GPI:mode>_insn): New insn pattern.
10950         (subv<GPI:mode>_imm): Likewise.
10951         (negv<GPI:mode>3): New expand pattern.
10952         (negv<GPI:mode>_insn): New insn pattern.
10953         (negv<GPI:mode>_cmp_only): Likewise.
10954         (cmpv<GPI:mode>_insn): Likewise.
10955         (subvti4): Use register_operand for operand 1.  Update call to
10956         aarch64_expand_subvti.
10957         (usubvti4): Likewise.
10958         (negvti3): New expand pattern.
10959         (negdi_carryout): New insn pattern.
10960         (negvdi_carryinV): New insn pattern.
10961         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10962         version the named version.
10963         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10964         operands.
10965         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10966         patterns.
10967         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10968         patterns.
10969         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10970         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
10971         (sub<mode>3_carryinCV): Delete.
10972         (sub<GPI:mode>3_carryinV): New expand pattern.
10973         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
10974
10975 2019-01-07  Richard Biener  <rguenther@suse.de>
10976
10977         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
10978         of tree_operand_hash.
10979
10980 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10981
10982         PR tree-optimization/88598
10983         * tree.h (single_nonzero_element): Declare.
10984         * tree.c (single_nonzero_element): New function.
10985         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
10986         if I is the only nonzero element of CST.
10987
10988 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10989
10990         PR tree-optimization/88598
10991         * tree.h (initializer_each_zero_or_onep): Declare.
10992         * tree.c (initializer_each_zero_or_onep): New function.
10993         (signed_or_unsigned_type_for): Handle float types too.
10994         (unsigned_type_for, signed_type_for): Update comments accordingly.
10995         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
10996         x & { 0 or -1, 0 or -1, ... }.
10997
10998 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
10999
11000         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
11001         with x86_64-pc-linux-gnu.
11002
11003 2019-01-07  Tom de Vries  <tdevries@suse.de>
11004
11005         PR target/85486
11006         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11007         function.
11008         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11009         routines.
11010
11011 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11012
11013         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11014         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11015         TARGET_AVX512F as condition.
11016
11017         PR debug/88723
11018         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11019         const_not_ok_for_debug_p target hook.
11020         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11021         on UNSPEC and subexpressions thereof if all subexpressions of the
11022         UNSPEC are CONSTANT_P.
11023
11024         PR tree-optimization/88676
11025         * tree-ssa-phiopt.c (two_value_replacement): New function.
11026         (tree_ssa_phiopt_worker): Call it.
11027
11028         PR sanitizer/88619
11029         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11030         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11031
11032         PR c++/85052
11033         * tree-vect-generic.c: Include insn-config.h and recog.h.
11034         (expand_vector_piecewise): Add defaulted ret_type argument,
11035         if non-NULL, use that in preference to type for the result type.
11036         (expand_vector_parallel): Formatting fix.
11037         (do_vec_conversion, do_vec_narrowing_conversion,
11038         expand_vector_conversion): New functions.
11039         (expand_vector_operations_1): Call expand_vector_conversion
11040         for VEC_CONVERT ifn calls.
11041         * internal-fn.def (VEC_CONVERT): New internal function.
11042         * internal-fn.c (expand_VEC_CONVERT): New function.
11043         * fold-const-call.c (fold_const_vec_convert): New function.
11044         (fold_const_call): Use it for CFN_VEC_CONVERT.
11045         * doc/extend.texi (__builtin_convertvector): Document.
11046
11047 2019-01-07  Tom de Vries  <tdevries@suse.de>
11048
11049         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11050         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11051         vector_red_partition, vector_red_sym): New global variables.
11052         (nvptx_option_override): Initialize vector_red_sym.
11053         (nvptx_declare_function_name): Restore red_partition register.
11054         (nvptx_file_end): Emit code to declare the vector reduction variables.
11055         (nvptx_output_red_partition): New function.
11056         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11057         large vector reductions.
11058         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11059         (nvptx_init_builtins): Add VECTOR_ADDR.
11060         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11061         Handle nvptx_expand_shared_addr.
11062         (nvptx_get_shared_red_addr): Add vector argument and handle large
11063         vectors.
11064         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11065         large vectors.
11066         (nvptx_goacc_reduction_init): Likewise.
11067         (nvptx_goacc_reduction_fini): Likewise.
11068         (nvptx_goacc_reduction_teardown): Likewise.
11069         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11070         init,fini,teardown}.
11071         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11072         (nvptx_set_current_function): Init vector_red_partition.
11073         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11074         (nvptx_red_partition): New insn.
11075         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11076
11077 2019-01-07  Tom de Vries  <tdevries@suse.de>
11078
11079         PR target/85381
11080         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11081         empty loops.
11082
11083 2019-01-07  Tom de Vries  <tdevries@suse.de>
11084
11085         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11086         (nvptx_option_override): Init oacc_bcast_partition.
11087         (nvptx_init_oacc_workers): New function.
11088         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11089         (nvptx_needs_shared_bcast): New function.
11090         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11091         to propagate state.
11092         (nvptx_shared_propagate): Initialize vector bcast partition and
11093         synchronization state.
11094         (nvptx_single):  Generalize to enable vectors to use shared-memory
11095         to propagate state.
11096         (nvptx_process_pars): Likewise.
11097         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11098         * config/nvptx/nvptx.h (struct machine_function): Add
11099         bcast_partition and sync_bar members.
11100
11101 2019-01-07  Tom de Vries  <tdevries@suse.de>
11102
11103         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11104         (nvptx_apply_dim_limits): New function.
11105         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11106         PTX_WARP_SIZE.
11107
11108 2019-01-07  Tom de Vries  <tdevries@suse.de>
11109
11110         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11111         as late as possible.
11112
11113 2019-01-07  Tom de Vries  <tdevries@suse.de>
11114
11115         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11116         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11117         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11118         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11119         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11120
11121 2019-01-07  Tom de Vries  <tdevries@suse.de>
11122
11123         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11124
11125 2019-01-07  Tom de Vries  <tdevries@suse.de>
11126
11127         * omp-offload.c (oacc_get_min_dim): New function.
11128         * omp-offload.h (oacc_get_min_dim): Declare.
11129
11130 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11131
11132         PR target/88521
11133         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11134         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11135
11136 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11137
11138         PR tree-opt/86020
11139         Revert:
11140         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11141
11142         * ipa-inline.c (edge_badness): Use inlined_time instead of
11143         inline_summaries->get.
11144
11145 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11146
11147         * opts.c (enable_fdo_optimizations): Enable
11148         version-loops-for-strides, loop-interchange, unrol-and-jam
11149         and tree-loop-distribution.
11150         * invoke.texi: Document newly enabled options.
11151
11152 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11153
11154         * doc/invoke.texi (max-inline-insns-small): New parameters.
11155         * ipa-inline.c (want_early_inline_function_p): simplify.
11156         (want_inline_small_function_p): Fix pasto from previous patch;
11157         use max-inline-insns-small bound.
11158         * params.def (max-inline-insns-small): New param.
11159         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11160         variables correctly.
11161
11162 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11163
11164         * doc/invoke.texi: Document max-inline-insns-size,
11165         uninlined-function-insns, uninlined-function-time,
11166         uninlined-thunk-insns and uninlined-thunk-time.
11167         * params.def: Add max-inline-insns-size,
11168         uninlined-function-insns, uninlined-function-time,
11169         uninlined-thunk-insns and uninlined-thunk-time.
11170         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11171         new parameters.
11172         * ipa-inline.c (can_inline_edge_by_limits_p,
11173         want_inline_small_function_p): Use new parameters.
11174
11175 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11176
11177         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11178
11179 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11180
11181         PR middle-end/82564
11182         PR target/88620
11183         * expr.c (expand_assignment): For calls returning VLA structures
11184         if to_rtx is not a MEM, force it into a stack temporary.
11185
11186         PR debug/88635
11187         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11188         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11189         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11190         subexpressions of both operands.
11191         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11192         subrtxes are CONSTANT_P.
11193         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11194         2018-11-09 changes.
11195
11196 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11197
11198         * params.def (hot-bb-count-ws-permille): Set to 990.
11199
11200 2019-01-04  Martin Sebor  <msebor@redhat.com>
11201
11202         PR c/88546
11203         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11204         leaf.
11205
11206 2019-01-04  Martin Sebor  <msebor@redhat.com>
11207
11208         PR c/88363
11209         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11210
11211 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11212
11213         * gdbinit.in: Turn off pagination for the skip commands, restore
11214         it to previous state afterwards.
11215
11216 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11217
11218         PR target/88594
11219         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11220         of GET_MODE (opN) as modes of the libcall arguments.
11221
11222 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11223
11224         * config/i386/sse.md
11225         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11226         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11227         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11228         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11229         avx512f_vmcmp<mode>3<round_saeonly_name>,
11230         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11231         avx512f_maskcmp<mode>3,
11232         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11233         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11234         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11235         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11236         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11237         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11238         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11239         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11240         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11241         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11242         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11243         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11244         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11245         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11246         avx512cd_maskb_vec_dup<mode>,
11247         avx512cd_maskw_vec_dup<mode>,
11248         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11249         avx512dq_vmfpclass<mode>,
11250         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11251         instead of =Yk.
11252
11253 2019-01-03  Martin Sebor  <msebor@redhat.com>
11254
11255         PR tree-optimization/88659
11256         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11257
11258 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11259
11260         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11261         unaligned vsx and avoid lxvd2x/stxvd2x.
11262         (gen_lvx_v4si_move): New function.
11263
11264 2019-01-03  Tom de Vries  <tdevries@suse.de>
11265
11266         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11267         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11268         function.
11269         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11270
11271 2019-01-03  Tom de Vries  <tdevries@suse.de>
11272
11273         * config/nvptx/nvptx.c (struct offload_attrs): New.
11274         (populate_offload_attrs): New function.  Factor mask extraction out of
11275         nvptx_reorg.  Add extraction of dimensions.
11276         (nvptx_reorg): Use populate_offload_attrs.
11277
11278 2019-01-03  Tom de Vries  <tdevries@suse.de>
11279
11280         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11281         cases for oacc_min_dims_p and routine_p.  Add asserts for
11282         oacc_default_dims_p and offload_region_p.
11283
11284 2019-01-03  Tom de Vries  <tdevries@suse.de>
11285
11286         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11287         factored out of ...
11288         (nvptx_goacc_validate_dims): ... here.
11289
11290 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11291
11292         PR tree-optimization/85574
11293         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11294         structure.
11295         (struct ssa_equip_hash_traits): Declare.
11296         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11297
11298 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11299
11300         PR debug/88644
11301         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11302         change it to qualified_type.
11303
11304 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11305
11306         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11307         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11308
11309 2019-01-02  Martin Sebor  <msebor@redhat.com>
11310             Jeff Law  <law@redhat.com>
11311
11312         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11313         (get_range_strlen_tree): Update appropriately.
11314         (get_range_strlen)
11315         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11316
11317         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11318         rather than set_range_info.
11319         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11320         maybe_set_strlen_range.  Handle potentially boundary crossing
11321         cases more conservatively.
11322         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11323         Call set_strlen_range.
11324         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11325
11326         PR middle-end/88663
11327         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11328         need the flexp argument.
11329         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11330         from calls to get_range_strlen.  Update comments.  Just update
11331         VAL for an unterminated const char array and let the reset of the
11332         code handle it normally.  No longer try to set *flexp.  Adjust
11333         return value.
11334         (get_range_strlen): Update for the new get_range_strlen API.
11335         (get_maxval_strlen): Similarly.
11336         (gimple_fold_builtin_strlen): Handle update meaning of return value
11337         from get_range_strlen.
11338         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11339         get_range_strlen API.
11340
11341 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11342
11343         PR lto/88130
11344         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11345         false at WPA time when body was removed.
11346
11347 2019-01-02  Martin Liska  <mliska@suse.cz>
11348
11349         PR tree-optimization/88650
11350         * predict.c (set_even_probabilities): Calculate probability
11351         remainer only when really used.
11352
11353 2019-01-02  Richard Biener  <rguenther@suse.de>
11354
11355         PR middle-end/88651
11356         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11357         widest_ints when mangling max_stmt_execution results.
11358
11359 2019-01-02  Richard Biener  <rguenther@suse.de>
11360
11361         PR tree-optimization/88621
11362         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11363         bitfields when canoncalizing.
11364
11365 2019-01-02  Richard Biener  <rguenther@suse.de>
11366
11367         PR target/87545
11368         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11369         cost of cheap SSE instruction.
11370
11371 2019-01-02  Richard Biener  <rguenther@suse.de>
11372
11373         PR ipa/85574
11374         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11375         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11376         function.
11377         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11378         set after UIDs before splitting them.
11379
11380 2019-01-01  Martin Sebor  <msebor@redhat.com>
11381             Jeff Law  <law@redhat.com>
11382
11383         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11384         length is optimistic.  If it is, then arrange to compute the
11385         conservative length as well.
11386
11387         * gimple-fold.h (get_range_strlen): Update prototype.
11388         * builtins.c (check_access): Update call to get_range_strlen to use
11389         c_strlen_data pointer.   Change various variable accesses to instead
11390         pull data from the c_strlen_data structure.
11391         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11392         * calls.c (maybe_warn_nonstring_arg): Likewise.
11393         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11394         minimum length if maximum lengh is unknown.
11395         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11396         that used c_strlen, it's no longer needed.  Restructure slightly.
11397         (format_string): Set unlikely range appropriately.
11398         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11399         formatting issues.
11400         (get_range_strlen):  Accept c_strlen_data pointer for external
11401         call sites as well.  Pass through to call to internal get_range_strlen.
11402         Adjust minlen, maxlen and maxbound as needed.
11403         (get_maxval_strlen): Update comments.
11404         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11405         to use c_strlen_data pointer.  Change variable accesses to instead
11406         use c_strlen_data data members.
11407
11408         * gimple-fold.c (get_range_strlen): Update prototype.
11409         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11410         local variables.  Use pdata to return information to caller.
11411         Update calls to get_range_strlen.  Update pdata->maxbound.
11412         (get_range_strlen -- static version): Similarly.
11413         (get_range_strlen -- extern version): Update for internal
11414         get_range_strlen API change.  Convert to external data format.
11415         (get_maxval_strlen): Similarly.
11416
11417 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11418
11419         * coverage.c (get_coverage_counts): Use current_function_decl.
11420         * profile.c (read_thunk_profile): New function.
11421         (branch_prob): Add THUNK parameter.
11422         * tree-profile.c (tree_profiling): Handle thunks.
11423         * value-prof.c (init_node_map): Handle thunks.
11424         * value-prof.h (branch_prob): Upate prototype.
11425         (read_thunk_profile): Declare.
11426
11427 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11428
11429         Update copyright years.
11430
11431         * gcc.c (process_command): Update copyright notice dates.
11432         * gcov-dump.c (print_version): Ditto.
11433         * gcov.c (print_version): Ditto.
11434         * gcov-tool.c (print_version): Ditto.
11435         * gengtype.c (create_file): Ditto.
11436         * doc/cpp.texi: Bump @copying's copyright year.
11437         * doc/cppinternals.texi: Ditto.
11438         * doc/gcc.texi: Ditto.
11439         * doc/gccint.texi: Ditto.
11440         * doc/gcov.texi: Ditto.
11441         * doc/install.texi: Ditto.
11442         * doc/invoke.texi: Ditto.
11443 \f
11444 Copyright (C) 2019 Free Software Foundation, Inc.
11445
11446 Copying and distribution of this file, with or without modification,
11447 are permitted in any medium without royalty provided the copyright
11448 notice and this notice are preserved.