gcc/ChangeLog

   1 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
   2             Lijia He  <helijia@linux.ibm.com>
   3
   4         PR tree-optimization/77820
   5         * tree-ssa-threadedge.c
   6         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
   7         function.
   8         (thread_across_edge): Add call to
   9         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
  10
  11 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
  12
  13         * config/darwin-driver.c (validate_macosx_version_min): New.
  14         (darwin_default_min_version): Cleanup and validate supplied version.
  15         (darwin_driver_init): Likewise and push cleaned version into opts.
  16
  17 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
  18
  19         PR tree-optimization/90869
  20         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
  21         converts in MEM_REF referencing decl rather than view converts
  22         from decl type to MEM_REF type.
  23
  24 2019-06-13  Richard Biener  <rguenther@suse.de>
  25
  26         PR tree-optimization/90856
  27         * tree-sra.c (build_ref_for_model): Only use
  28         build_reconstructed_reference when address-spaces are the same.
  29
  30 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
  31
  32         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
  33         wrap ei variable name in the declaration in ()s.
  34         (nvptx_single): Actually use mode_label variable.  Formatting fix.
  35
  36 2019-06-13  Richard Biener  <rguenther@suse.de>
  37
  38         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
  39         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
  40         also return the condition stmt.
  41         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
  42         loop we can version and version that, reusing the loop version
  43         created by if-conversion instead of versioning again.
  44
  45 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
  46
  47         * gimple-loop-versioning.cc (prune_loop_conditions): Use
  48         may_contain_p.
  49         * tree-vrp (value_range_base::may_contain_p): Call into
  50         value_inside_range.
  51         (value_inside_range): Make private inside value_range_base class.
  52         Take min/max from *this.
  53         (range_includes_p): Remove.
  54         * tree-vrp.h (value_range_base): Add value_inside_range.
  55         (range_includes_p): Remove.
  56         (range_includes_zero_p): Call may_contain_p.
  57         * vr-values.c (compare_range_with_value): Same.
  58
  59 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
  60
  61         * doc/extend.texi (ARC Function Attributes): Update info.
  62
  63 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
  64
  65         PR tree-optimization/89713
  66         * doc/invoke.texi (-ffinite-loops): Document new option.
  67         * common.opt (-ffinite-loops): New option.
  68         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
  69         IFN_GOACC_LOOP calls as necessary.
  70         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
  71         is finite.
  72         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
  73         IFN_GOACC_LOOP call is not used.
  74         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
  75
  76 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  77
  78         PR target/88838
  79         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
  80         compare_type is not with Pmode size, we will create an IV with
  81         Pmode size with truncated use (i.e. converted to the correct type).
  82         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
  83         (vect_iv_limit_for_full_masking): New. Factored out of
  84         vect_set_loop_condition_masked.
  85         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
  86         (vect_iv_limit_for_full_masking): Declare.
  87
  88 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
  89
  90         PR target/88834
  91         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
  92         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
  93         (get_alias_ptr_type_for_ptr_address): Likewise.
  94         (add_iv_candidate_for_use): Add scaled index candidate if useful.
  95         * tree-ssa-address.c (preferred_mem_scale_factor): New.
  96         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
  97         allow_reg_index_p.
  98
  99 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 100
 101         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
 102
 103 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
 104
 105         * common/config/pru/pru-common.c: New file.
 106         * config.gcc: Add PRU target.
 107         * config/pru/alu-zext.md: New file.
 108         * config/pru/constraints.md: New file.
 109         * config/pru/predicates.md: New file.
 110         * config/pru/pru-opts.h: New file.
 111         * config/pru/pru-passes.c: New file.
 112         * config/pru/pru-pragma.c: New file.
 113         * config/pru/pru-protos.h: New file.
 114         * config/pru/pru.c: New file.
 115         * config/pru/pru.h: New file.
 116         * config/pru/pru.md: New file.
 117         * config/pru/pru.opt: New file.
 118         * config/pru/t-pru: New file.
 119         * doc/extend.texi: Document PRU pragmas.
 120         * doc/invoke.texi: Document PRU-specific options.
 121         * doc/md.texi: Document PRU asm constraints.
 122
 123 2019-06-12  Martin Sebor  <msebor@redhat.com>
 124
 125         PR middle-end/90676
 126         * tree-pretty-print.c (dump_mem_ref): New function.  Include
 127         MEM_REF type in output when different size than operand.
 128         (dump_generic_node): Move code to dump_mem_ref and call it.
 129
 130 2019-06-12  Martin Sebor  <msebor@redhat.com>
 131
 132         PR tree-optimization/90662
 133         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
 134         to arrays.
 135
 136 2019-06-12  Tom de Vries  <tdevries@suse.de>
 137
 138         PR tree-optimization/90009
 139         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 140
 141 2019-06-12  Martin Liska  <mliska@suse.cz>
 142
 143         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
 144         the created map.
 145         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
 146         * mem-stats.h (mem_alloc_description::mem_alloc_description):
 147         Do not sanitize created maps.
 148
 149 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
 150
 151         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
 152         value_range::singleton_p.
 153         * tree-vrp.c (value_range_constant_singleton): Remove.
 154         * tree-vrp.h (value_range_constant_singleton): Remove.
 155         * vr-values.c (vr_values::singleton): Use
 156         value_range::singleton_p.
 157
 158 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 159
 160         PR target/90811
 161         * cfgexpand.c (align_local_variable): Add really_expand argument,
 162         don't SET_DECL_ALIGN if it is false.
 163         (add_stack_var): Add really_expand argument, pass it through to
 164         align_local_variable.
 165         (expand_one_stack_var_1): Pass true as really_expand to
 166         align_local_variable.
 167         (expand_one_ssa_partition): Pass true as really_expand to
 168         add_stack_var.
 169         (expand_one_var): Pass really_expand through to add_stack_var.
 170
 171 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 172
 173         * config/arm/iterators.md (VABAL): New int iterator.
 174         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
 175         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
 176         values.
 177
 178 2019-06-12  Martin Liska  <mliska@suse.cz>
 179
 180         * value-prof.c (stream_out_histogram_value): Only first value
 181         can't be negative.
 182
 183 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 184
 185         PR c/90760
 186         * symtab.c (symtab_node::set_section): Allow being called on aliases
 187         as long as they aren't analyzed yet.
 188
 189 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 190
 191         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 192         to `mips_set_text_contents_type' to indicate whether a
 193         non-debug insn follows.
 194
 195 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 196
 197         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 198         enabling -mpcrel by default.
 199         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 200         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 201         that the test against -mcpu=future is done first.  Then test if
 202         -mprefixed-addr is on for -mpcrel.
 203         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 204
 205 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 206
 207         PR target/90811
 208         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 209         instead of and.u%d.
 210
 211 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 212
 213         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 214
 215 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 216
 217         PR c++/90449 - add -Winaccessible-base option.
 218         * doc/invoke.texi (Winaccessible-base): Document.
 219
 220 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 221
 222         PR tree-optimization/62041
 223         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 224
 225 2019-06-11  Jason Merrill  <jason@redhat.com>
 226
 227         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 228         * tree.c (get_tree_code_name): Likewise.
 229         * print-tree.c (print_node): Only briefly print a node with an
 230         invalid code.
 231
 232 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 233
 234         PR bootstrap/90819
 235         * trans-mem.c (tm_memopt_compute_available): Add assertion
 236         that blocks is not empty.  Formatting fix.
 237
 238 2019-06-11  Martin Liska  <mliska@suse.cz>
 239
 240         PR c++/87847
 241         * hash-table.h: Extend create_gcc, add one parameter
 242         that is passed into hash_table::hash_table.
 243
 244 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 245
 246         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 247         New prototype.
 248         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 249         Emit clobber also for non-sse operations.
 250         (ix86_split_fp_absneg_operator): New function.
 251         * config/i386/i386.md (SSEMODEF): New mode iterator.
 252         (ssevecmodef): New mode attribute.
 253         (<code>tf2): Use absneg code iterator.
 254         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 255         Add three-operand AVX alternatives.
 256         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 257         Use absneg code iterator and X87MODEF mode iterator.
 258         (absneg fp_reg non-sse splitter): Call absneg code iterator
 259         and X87MODEF mode iterator.
 260         (absneg general_reg non-sse splitter): Use absneg code iterator
 261         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 262         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 263         code iterator.  Add three-operand AVX alternative.
 264         (absneg sse_reg splitter): Use absneg code iterator
 265         and SSEMODEF mode iterator.  Handle AVX operands.
 266         (absneg fp_reg splitter): Use absneg code iterator
 267         and MODEF mode iterator.
 268         (absneg general_reg splitter): Merge splitters using MODEF mode
 269         iterator.  Use absneg code iterator.  Call
 270         ix86_split_fp_absneg_operator.
 271         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 272         Do not enable for non-sse modes before reload.
 273         (CSGNMODE): Remove.
 274         (CSGNVMODE): Ditto.
 275         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 276         ssevecmodef mode attribute instaed of CSGNVMODE.
 277         (copysign<mode>3_const): Ditto.
 278         (copysign<mode>3_var): Ditto.
 279         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 280         Use absneg code iterator.  Simplify code using std::swap.
 281         * config/i386/predicates.md (absneg_operator): Remove.
 282
 283 2019-06-10  Martin Sebor  <msebor@redhat.com>
 284
 285         * gimple-fold.c (get_range_strlen): Update comment that didn't
 286         make it into r267503 or related commits.
 287
 288 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 289
 290         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 291         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 292
 293 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 294
 295         * tree.def (OMP_SCAN): New tree code.
 296         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 297         OMP_CLAUSE_EXCLUSIVE.
 298         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 299         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 300         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 301         OMP_CLAUSE_{IN,EX}CLUSIVE.
 302         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 303         * tree-nested.c (convert_nonlocal_reference_stmt,
 304         convert_local_reference_stmt, convert_gimple_call): Handle
 305         GIMPLE_OMP_SCAN.
 306         * tree-pretty-print.c (dump_omp_clause): Handle
 307         OMP_CLAUSE_{IN,EX}CLUSIVE.
 308         (dump_generic_node): Handle OMP_SCAN.
 309         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 310         * gimple.h (gomp_scan): New type.
 311         (is_a_helper <gomp_scan *>::test,
 312         is_a_helper <const gomp_scan *>::test): New templates.
 313         (gimple_build_omp_scan): Declare.
 314         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 315         gimple_omp_scan_set_clauses): New inline functions.
 316         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 317         * gimple.c (gimple_build_omp_scan): New function.
 318         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 319         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 320         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 321         GIMPLE_OMP_TASKGROUP.
 322         (dump_gimple_omp_scan): New function.
 323         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 324         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 325         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 326         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 327         (is_gimple_stmt): Handle OMP_SCAN.
 328         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 329         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 330         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 331         mentioned in nested #pragma omp scan.  Handle
 332         OMP_CLAUSE_{IN,EX}CLUSIVE.
 333         (gimplify_expr): Handle OMP_SCAN.
 334         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 335         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 336         simd constructs.
 337         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 338         GIMPLE_OMP_SCAN.
 339
 340 2019-06-10  Martin Liska  <mliska@suse.cz>
 341
 342         * ipa-cp.c (ignore_edge_p): New function.
 343         (build_toporder_info): Use it.
 344         * ipa-inline.c (ignore_edge_p): New function.
 345         (inline_small_functions): Use it.
 346         * ipa-pure-const.c (ignore_edge_for_nothrow):
 347         Verify opt_for_fn for caller and callee.
 348         (ignore_edge_for_pure_const): Likewise.
 349         * ipa-reference.c (ignore_edge_p): Extend to check
 350         for opt_for_fn.
 351         * ipa-utils.c (searchc): Refactor.
 352         * ipa-utils.h: Fix coding style.
 353
 354 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 355
 356         * config/arc/arc.c (arc_rtx_costs): Update costs.
 357
 358 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 359
 360         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 361         (arc_split_ior): Likewise.
 362         (arc_check_mov_const): Likewise.
 363         (arc_split_mov_const): Likewise.
 364         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 365         (arc_rtx_costs): Replace check Crr with Cax constraint.
 366         (prepare_move_operands): Cleanup, remove unused code.
 367         (arc_split_ior): New function.
 368         (arc_check_ior_const): Likewise.
 369         (arc_split_mov_const): Likewise.
 370         (arc_check_mov_const): Likewise.
 371         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 372         in define_insn_and_split pattern.
 373         (iorsi3): Likewise.
 374         (mulsi3_v2): Add new matching variant.
 375         (andsi3_i): Cleanup pattern.
 376         (rotrsi3_cnt1): Update pattern.
 377         (rotrsi3_cnt8): New pattern.
 378         (ashlsi2_cnt8): Likewise.
 379         (ashlsi2_cnt16): Likewise.
 380         * config/arc/constraints.md (C0p): Update constraint.
 381         (Crr): Remove it.
 382         (C0x): New pattern.
 383         (Cax): New pattern.
 384
 385 2019-06-10  Martin Liska  <mliska@suse.cz>
 386
 387         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 388         Update coding style.
 389         (sem_item_optimizer::dump_cong_classes):
 390         Print how many items are in a non-singular class.  Improve
 391         coding style.
 392
 393 2019-06-10  Martin Liska  <mliska@suse.cz>
 394
 395         * value-prof.c (dump_histogram_value): Change dump format.
 396         (gimple_mod_subtract_transform): Remove legacy comment.
 397
 398 2019-06-10  Martin Liska  <mliska@suse.cz>
 399
 400         * value-prof.c (dump_histogram_value): Print histogram values
 401         only if present.
 402
 403 2019-06-10  Martin Liska  <mliska@suse.cz>
 404
 405         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 406         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 407         * ipa-profile.c (ipa_profile_generate_summary):
 408         Use get_most_common_single_value.
 409         * tree-profile.c (gimple_init_gcov_profiler):
 410         Instrument with __gcov_one_value_profiler_v2
 411         and __gcov_indirect_call_profiler_v4.
 412         * value-prof.c (dump_histogram_value):
 413         Print all values for HIST_TYPE_SINGLE_VALUE.
 414         (stream_out_histogram_value): Update assert for
 415         N values.
 416         (stream_in_histogram_value): Set number of
 417         counters for HIST_TYPE_SINGLE_VALUE.
 418         (get_most_common_single_value): New.
 419         (gimple_divmod_fixed_value_transform):
 420         Use get_most_common_single_value.
 421         (gimple_ic_transform): Likewise.
 422         (gimple_stringops_transform): Likewise.
 423         (gimple_find_values_to_profile): Set number
 424         of counters for HIST_TYPE_SINGLE_VALUE.
 425         * value-prof.h (get_most_common_single_value):
 426         New.
 427
 428 2019-06-10  Martin Liska  <mliska@suse.cz>
 429
 430         * hash-map.h: Pass default value to hash_table ctor.
 431         * hash-table.h: Add default value to call of a ctor.
 432
 433 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 434
 435         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 436         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 437
 438 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 439
 440         PR target/90751
 441         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 442         Call pa_output_function_label.
 443         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 444         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 445         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 446         to declaration.
 447         (pa_linux_output_function_prologue): Declare.
 448         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 449         (pa_output_function_label): New.
 450         (pa_output_function_prologue): Revise to use pa_output_function_label.
 451         (pa_linux_output_function_prologue): New.
 452         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 453
 454 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 455
 456         * tree-vrp.h (value_range_base::intersect): New.
 457         (value_range::intersect_helper): Move from here...
 458         (value_range_base::intersect_helper): ...to here.
 459         * tree-vrp.c (value_range::intersect_helper): Rename to...
 460         (value_range_base::intersect_helper): ...this, and rewrite to
 461         return a value instead of modifying THIS in place.
 462         Also, move equivalence handling...
 463         (value_range::intersect): ...here, while calling intersect_helper.
 464         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 465         calling intersect.
 466         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 467         Same.
 468         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 469
 470 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 471
 472         * Makefile.in (genprogerr): Add condmd.
 473         (genprog): Remove it here.
 474
 475 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 476
 477         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 478
 479 2019-06-07  Richard Biener  <rguenther@suse.de>
 480
 481         PR debug/90574
 482         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 483         that appear after user labels.
 484
 485 2019-06-07  Martin Liska  <mliska@suse.cz>
 486
 487         * cselib.c (cselib_init): Disable hash table
 488         sanitization.
 489         * hash-set.h: Pass new default argument to m_table.
 490         * hash-table.c: Add global variable with hash table
 491         sanitization limit.
 492         * hash-table.h (Allocator>::hash_table): Add new argument
 493         to ctor.
 494         (hashtab_chk_error): New.
 495         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 496         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 497         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 498
 499 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 500
 501         * common.opt (flto-odr-type-merging): Ignore.
 502         * invoke.texi (-flto-odr-type-merging): Remove.
 503         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 504         (can_be_vtable_hashed_p): Remove.
 505         (hash_odr_vtable): Remove.
 506         (odr_vtable_hasher::hash): Remove.
 507         (types_same_for_odr): Remove.
 508         (types_odr_comparable): Remove.
 509         (odr_vtable_hasher::equal): Remove.
 510         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 511         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 512         (get_odr_type): Do not use vtable hash.
 513         (dump_odr_type): Remove commented out code.
 514         (build_type_inheritance_graph): Do not allocate vtable hash.
 515         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 516         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 517         (odr_type_p): Likewise.
 518         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 519         test.
 520
 521 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 522
 523         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 524         immediately after same_types_for_tbaa_p returns -1 and continue
 525         looking for possible exact match; if matching types are arrays
 526         watch for partial overlaps.
 527         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 528         (indirect_refs_may_alias_p): Do type based disambiguation first;
 529         update comment.
 530
 531 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 532
 533         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 534
 535 2019-06-07  Martin Liska  <mliska@suse.cz>
 536
 537         * doc/invoke.texi: Remove param.
 538         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 539         Remove.
 540         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 541         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 542         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 543         * profile.c (instrument_values): Remove
 544         HIST_TYPE_INDIR_CALL_TOPN.
 545         * tree-profile.c (init_ic_make_global_vars):
 546         Always build __gcov_indirect_call only.
 547         (gimple_init_gcov_profiler): Remove usage
 548         of PARAM_INDIR_CALL_TOPN_PROFILE.
 549         (gimple_gen_ic_profiler): Likewise.
 550         * value-prof.c (dump_histogram_value): Likewise.
 551         (stream_in_histogram_value): Likewise.
 552         (gimple_indirect_call_to_profile): Likewise.
 553         (gimple_find_values_to_profile): Likewise.
 554         * value-prof.h (enum hist_type): Likewise.
 555
 556 2019-06-07  Martin Liska  <mliska@suse.cz>
 557
 558         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 559         function.
 560
 561 2019-06-07  Martin Liska  <mliska@suse.cz>
 562
 563         PR tree-optimization/78902
 564         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 565         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 566         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 567         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 568         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 569         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 570         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 571         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 572         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 573         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 574         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 575         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 576         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 577         New.
 578         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 579         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 580         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 581         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 582         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 583         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 584         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 585         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 586         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 587         warn_unused_result attribute.
 588         (BUILT_IN_STRDUP): Likewise.
 589         (BUILT_IN_STRNDUP): Likewise.
 590         (BUILT_IN_ALLOCA): Likewise.
 591         (BUILT_IN_CALLOC): Likewise.
 592         (BUILT_IN_MALLOC): Likewise.
 593         (BUILT_IN_REALLOC): Likewise.
 594
 595 2019-06-06  Jim Wilson  <jimw@sifive.com>
 596
 597         PR target/89955
 598         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 599         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 600         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 601
 602 2019-06-06  Martin Sebor  <msebor@redhat.com>
 603
 604         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 605         (handle_builtin_malloc): Remove trailing spaces.
 606         (handle_builtin_memset): Same.
 607         (handle_builtin_memcmp): Same.
 608         (compute_string_length): Same.
 609         (determine_min_objsize): Same.
 610         (handle_builtin_string_cmp): Same.
 611         (handle_char_store): Same.  Break up excessively long line.
 612
 613 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 614
 615         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 616         check.
 617
 618 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 619
 620         * tree-sra.c (struct access): New field grp_same_access_path.
 621         (dump_access): Dump it.
 622         (build_reconstructed_reference): New function.
 623         (build_ref_for_model): Use it if possible.
 624         (path_comparable_for_same_access): New function.
 625         (same_access_path_p): Likewise.
 626         (sort_and_splice_var_accesses): Set the new flag.
 627         (analyze_access_subtree): Likewise.
 628         (propagate_subaccesses_across_link): Propagate zero value of the new
 629         flag down the access tree.
 630
 631 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 632
 633         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 634         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 635         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 636         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 637         Add gfx906.
 638
 639 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 640
 641         PR tree-optimization/90332
 642         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 643         Handle VALS containing two vectors.
 644         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 645         to...
 646         (@aarch64_combinez<mode>): ... This.
 647         (*aarch64_combinez_be<mode>): Rename to...
 648         (@aarch64_combinez_be<mode>): ... This.
 649         (vec_init<mode><Vhalf>): New define_expand.
 650         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 651
 652 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 653
 654         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 655         library functions only when not optimizing for size.
 656         (ashlsi3): Likewise.
 657         (ashrhi3): Likewise.
 658         (ashrsi3): Likewise.
 659         (lshrhi3): Likewise.
 660         (lshrsi3): Likewise.
 661
 662 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 663
 664         PR rtl-optimization/88751
 665         * ira.c (ira): Use the number of the actually referenced registers
 666         when calculating the threshold.
 667
 668 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 669
 670         * configure: Regenerate.
 671
 672 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 673
 674         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 675         register if it is in memory, so the shift can be emulated with a rotate
 676         instruction.
 677         (ashrhi3): Likewise.
 678         (lshrhi3): Likewise.
 679
 680 2019-06-06  Martin Liska  <mliska@suse.cz>
 681
 682         PR tree-optimization/87954
 683         * match.pd: Simplify mult where both arguments are 0 or 1.
 684
 685 2019-06-06  Richard Biener  <rguenther@suse.de>
 686
 687         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 688         put equivalences on UNDEFINED ranges.
 689         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 690         Make sure to drop defs of stmts added during simplification
 691         to VARYING.
 692
 693 2019-06-06  Richard Biener  <rguenther@suse.de>
 694
 695         * tree-ssa-structalias.c: Include tree-cfg.h.
 696         (make_heapvar): Do not make heap vars artificial.
 697         (find_func_aliases_for_builtin_call): Handle stack allocation
 698         functions.
 699         (find_func_aliases): Delay processing of simple enough returns
 700         in non-IPA mode.
 701         (set_uids_in_ptset): Adjust.
 702         (find_what_var_points_to): Likewise.
 703         (solve_constraints): Do not dump points-to sets here.
 704         (compute_points_to_sets): Post-process return statements,
 705         amending the escaped solution.  Dump points-to sets afterwards.
 706         (ipa_pta_execute): Dump points-to sets.
 707
 708 2019-06-06  Martin Liska  <mliska@suse.cz>
 709
 710         PR web/87933
 711         * doc/install.texi: Fix HTML headers and
 712         titles for 'Installing GCC' pages.
 713
 714 2019-06-06  Martin Liska  <mliska@suse.cz>
 715
 716         * ipa-icf-gimple.h (dump_message_1): Remove.
 717         (dump_message): Likewise.
 718         (return_false_with_message_1): Print also file.
 719         (return_false_with_msg): Likewise.
 720         (return_with_result): Likewise.
 721         (return_with_debug): Likewise.
 722         * ipa-icf.c (sem_function::equals_private): Remove call
 723         to dump_message.
 724
 725 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 726
 727         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 728         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 729         memory operand for it.
 730         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 731
 732 2019-06-05  Martin Sebor  <msebor@redhat.com>
 733
 734         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 735         Adjust quoting and hyphenation.
 736         * convert.c (convert_to_real_1): Same.
 737         * gcc.c (driver_wrong_lang_callback): Same.
 738         (driver::handle_unrecognized_options): Same.
 739         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 740         * opts-common.c (cmdline_handle_error): Same.
 741         (read_cmdline_option): Same.
 742         * opts-global.c (complain_wrong_lang): Same.
 743         (print_ignored_options): Same.
 744         (handle_common_deferred_options): Same.
 745         * pretty-print.h: Same.
 746         * print-rtl.c (debug_bb_n_slim): Same.
 747         * sched-rgn.c (make_pass_sched_fusion): Same.
 748         * tree-cfg.c (verify_gimple_assign_unary): Same.
 749         (verify_gimple_label): Same.
 750         * tree-ssa-operands.c (verify_ssa_operands): Same.
 751         * varasm.c (do_assemble_alias): Same.
 752         (assemble_alias): Same.
 753
 754 2019-06-05  Richard Henderson  <rth@twiddle.net>
 755
 756         * config/alpha/alpha.c (direct_return): Move down after
 757         struct machine_function definition; use saved frame_size;
 758         return bool.
 759         (struct machine_function): Add sa_mask, sa_size, frame_size.
 760         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 761         (alpha_compute_frame_layout): ... new function.
 762         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 763         (alpha_initial_elimination_offset): Use saved sa_size.
 764         (alpha_vms_initial_elimination_offset): Likewise.
 765         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 766         (alpha_expand_prologue): Use saved frame data.  Merge integer
 767         and fp register save loops.
 768         (alpha_expand_epilogue): Likewise.
 769         (alpha_start_function): Use saved frame data.
 770         * config/alpha/alpha-protos.h (direct_return): Update.
 771         (alpha_sa_size): Remove.
 772
 773 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 774
 775         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 776         multiplication by a power-of-two value.
 777         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 778         and turn the modulo operation into a masking operation.
 779
 780 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 781
 782         PR debug/90733
 783         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 784         with VOIDmode inner operands.
 785
 786 2019-06-05  Richard Biener  <rguenther@suse.de>
 787
 788         PR middle-end/90726
 789         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 790         turn an expression graph into a tree.
 791
 792 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 793
 794         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 795         member.
 796         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 797         treat it like explicit monotonic schedule modifier.
 798         (expand_omp_for): Initialize has_lastprivate_conditional.
 799         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 800         schedule modifier.
 801
 802         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 803         references, lookup in in hash map MEM_REF operand instead of the
 804         MEM_REF itself.
 805         (lower_omp_1): When looking for lastprivate conditional assignments,
 806         handle MEM_REFs with REFERENCE_TYPE operands.
 807
 808         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 809         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 810         and references a VLA.  Handle references to non-VLAs if is_simd
 811         all privatization clauses like reductions.
 812         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 813         If omp_is_reference, use always omp simd arrays and set
 814         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 815         fails, emit reference initialization.
 816
 817 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 818
 819         PR target/89803
 820         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 821         _mm_mask_fpclass_sd_mask): New intrinsics.
 822         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 823         * config/i386/i386-builtin.def
 824         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 825         New builtins.
 826         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 827         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 828         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 829         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 830         case QI_FTYPE_V2SF_INT): Ditto.
 831         * config/i386/sse.md
 832         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
 833         Extended to insnstructions with mask operands.
 834
 835 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 836
 837         * config/rs6000/constraints.md (define_register_constraint "wp"):
 838         Delete.
 839         (define_register_constraint "wq"): Delete.
 840         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 841         (rs6000_init_hard_regno_mode_ok): Adjust.
 842         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 843         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
 844         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
 845         (define_mode_attr VSa): Delete.
 846         (define_mode_attr VSisa): New.
 847         (rest of file): Adjust.
 848         * doc/md.texi (Machine Constraints): Adjust.
 849
 850 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 851
 852         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
 853         (define_attr "enabled"): Handle those new isa values.
 854
 855 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 856
 857         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
 858         (define_mode_attr VSr5): Delete.
 859         (define_mode_attr VStype_sqrt): Delete.
 860         (define_mode_iterator VSX_SPDP): Delete.
 861         (define_mode_attr VS_spdp_res): Delete.
 862         (define_mode_attr VS_spdp_insn): Delete.
 863         (define_mode_attr VS_spdp_type): Delete.
 864         (*vsx_sqrt<mode>2): Adjust.
 865         (vsx_<VS_spdp_insn>): Delete, split to...
 866         (vsx_xscvdpsp): ... this.  New.  And...
 867         (vsx_xvcvspdp): ... this.  New.  And...
 868         (vsx_xvcvdpsp): ... this.  New.
 869
 870 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 871
 872         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
 873         and V2DF.
 874         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
 875         (rest of file): Adjust.
 876
 877 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 878
 879         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
 880         (vsx_extract_<mode>_var): Ditto.
 881
 882 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 883
 884         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
 885         with just "wa".
 886
 887 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 888
 889         * config/rs6000/constraints.md (define_register_constraint "ww"):
 890         Delete.
 891         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 892         (rs6000_init_hard_regno_mode_ok): Adjust.
 893         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 894         RS6000_CONSTRAINT_ww.
 895         * config/rs6000/rs6000.md: Adjust.
 896         * config/rs6000/vsx.md: Adjust.
 897         * doc/md.texi (Machine Constraints): Adjust.
 898
 899 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 900
 901         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
 902         (define_mode_attr sd): New.
 903         (define_mode_attr s): New.
 904         (define_mode_attr Ftrad): Delete.
 905         (define_mode_attr Fvsx): Delete.
 906         (define_mode_attr Fs): Delete.
 907         (rest of file): Use the new mode attributes.
 908         * config.rs6000/vsx.md: Use the new mode attributes.
 909
 910 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 911
 912         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
 913         with just "wa".
 914
 915 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 916
 917         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
 918         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
 919         used with VSX_B, VSX_D, or VSX_F, with just "wa".
 920
 921 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
 922
 923         PR target/78263
 924         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
 925         C++ with strict ANSI requirements.
 926
 927 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
 928
 929         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
 930         computations when step is 1.
 931
 932 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 933
 934         * config/rs6000/constraints.md (define_register_constraint "wf"):
 935         Delete.
 936         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 937         (rs6000_init_hard_regno_mode_ok): Adjust.
 938         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 939         RS6000_CONSTRAINT_wf.
 940         * config/rs6000/rs6000.md: Adjust.
 941         * config/rs6000/vsx.md: Adjust.
 942         * doc/md.texi (Machine Constraints): Adjust.
 943
 944 2019-06-04  Andrew Pinski  <apinski@marvell.com>
 945
 946         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
 947         Fix ILP32 value.
 948
 949 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 950
 951         * config/rs6000/constraints.md (define_register_constraint "wd"):
 952         Delete.
 953         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 954         (rs6000_init_hard_regno_mode_ok): Adjust.
 955         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 956         RS6000_CONSTRAINT_wd.
 957         * config/rs6000/rs6000.md: Adjust.
 958         * config/rs6000/vsx.md: Adjust.
 959         * doc/md.texi (Machine Constraints): Adjust.
 960
 961 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 962
 963         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
 964         (rest of file): Adjust.
 965
 966 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 967
 968         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
 969         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
 970         (vsx_splat_<mode>_reg): Adjust.
 971
 972 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 973
 974         * config/rs6000/constraints.md (define_register_constraint "ws"):
 975         Delete.
 976         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 977         (rs6000_init_hard_regno_mode_ok): Adjust.
 978         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 979         RS6000_CONSTRAINT_ws.
 980         * config/rs6000/rs6000.md: Adjust.
 981         * config/rs6000/vsx.md: Adjust.
 982         * doc/md.texi (Machine Constraints): Adjust.
 983
 984 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 985
 986         * config/rs6000/constraints.md (define_register_constraint "wv"):
 987         Delete.
 988         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 989         (rs6000_init_hard_regno_mode_ok): Adjust.
 990         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 991         RS6000_CONSTRAINT_wv.
 992         * config/rs6000/rs6000.md: Adjust.
 993         * config/rs6000/vsx.md: Adjust.
 994         * doc/md.texi (Machine Constraints): Adjust.
 995
 996 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
 997
 998         * config/rs6000/constraints.md (define_register_constraint "wi"):
 999         Delete.
1000         (define_register_constraint "wt"): Delete.
1001         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1002         (rs6000_init_hard_regno_mode_ok): Adjust.
1003         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1004         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
1005         * config/rs6000/rs6000.md: Adjust.
1006         * config/rs6000/vsx.md: Adjust.
1007         * doc/md.texi (Machine Constraints): Adjust.
1008
1009 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1010
1011         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
1012         const.
1013         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
1014         default_elf_asm_output_external.
1015
1016 2019-06-04  Martin Liska  <mliska@suse.cz>
1017
1018         * ipa-icf.c (INCLUDE_LIST): Remove.
1019         (sem_item_optimizer::execute): Remove call to init_wpa.
1020         * ipa-icf.h (init_wpa): Remove.
1021
1022 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
1023
1024         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
1025         conditional on combined for simd.
1026         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
1027         member.
1028         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
1029         constructs, don't remove lastprivate_conditional_map, but instead set
1030         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
1031         to parent construct temporaries.
1032         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
1033         like !ctx->lastprivate_conditional_map.
1034         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1035         use up->outer context instead of up.
1036         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1037         gimple_omp_for_combined_p.
1038         (expand_omp_for_static_nochunk): Likewise.
1039         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1040         probably moved over into expand_omp_for_generic rather than being copied
1041         there.
1042
1043 2019-06-04  Martin Liska  <mliska@suse.cz>
1044
1045         * value-prof.c (dump_histogram_value): Fix typo.
1046         (gimple_mod_subtract_transform): Likewise.
1047
1048 2019-06-04  Richard Biener  <rguenther@suse.de>
1049
1050         PR middle-end/90726
1051         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1052         (tree_contains_chrecs): Likewise.
1053         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1054         exponential behaivor from ...
1055         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1056         ... here.
1057         (expression_expensive_p): Avoid exponential behavior and compute
1058         expanded size, rejecting any expansion.
1059         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1060         (idx_contains_abnormal_ssa_name_p): Likewise.
1061         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1062         (contains_abnormal_ssa_name_p): Simplify and use
1063         walk_tree_without_duplicates.
1064
1065 2019-06-04  Richard Biener  <rguenther@suse.de>
1066
1067         PR tree-optimization/90738
1068         Revert
1069         2019-06-03  Richard Biener  <rguenther@suse.de>
1070
1071         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1072         full reference tree and record in ref->ref.
1073         (vn_reference_lookup_3): Pass in original ref to
1074         ao_ref_init_from_vn_reference.
1075         (vn_reference_lookup): Likewise.
1076         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1077         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1078         Handle non-decl bases in the original reference.
1079
1080 2019-06-04  Martin Liska  <mliska@suse.cz>
1081
1082         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1083         number of references.
1084         (sem_item_optimizer::do_congruence_step):
1085         (sem_item_optimizer::worklist_push): Dump how references
1086         a class has.
1087         (sem_item_optimizer::worklist_pop): Use heap.
1088         (sem_item_optimizer::process_cong_reduction): Likewise.
1089         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1090
1091 2019-06-04  Martin Liska  <mliska@suse.cz>
1092
1093         * ipa-icf.h (struct sem_usage_pair_hash): New.
1094         (sem_usage_pair_hash::hash): Likewise.
1095         (sem_usage_pair_hash::equal): Likewise.
1096         (struct sem_usage_hash): Likewise.
1097         * ipa-icf.c (sem_item::sem_item): Initialize
1098         referenced_by_count.
1099         (sem_item::add_reference): Register a reference
1100         in ref_map and not in target->usages.
1101         (sem_item::setup): Remove initialization of
1102         dead vectors.
1103         (sem_item::~sem_item): Remove usage of dead vectors.
1104         (sem_item::dump): Remove dump of references.
1105         (sem_item_optimizer::sem_item_optimizer): Initialize
1106         m_references.
1107         (sem_item_optimizer::read_section): Remove useless
1108         dump.
1109         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1110         (sem_item_optimizer::build_graph): Pass m_references
1111         to ::add_reference.
1112         (sem_item_optimizer::verify_classes): Remove usage of dead
1113         vectors.
1114         (sem_item_optimizer::traverse_congruence_split): Return true
1115         when a class is split.
1116         (sem_item_optimizer::do_congruence_step_for_index): Use
1117         hash_map for look up of (sem_item *, index). That brings
1118         significant speed up.
1119         (sem_item_optimizer::do_congruence_step): Return true
1120         when a split is done.
1121         (congruence_class::is_class_used): Use referenced_by_count.
1122
1123 2019-06-04  Alan Modra  <amodra@gmail.com>
1124
1125         PR target/90689
1126         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1127         error.
1128
1129 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1130
1131         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1132         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1133         (rs6000_secondary_reload_simple_move): Adjust.
1134         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1135         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1136         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1137         comment.
1138         (power6x): Adjust.
1139         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1140         (floatunssi<mode>2_lfiwzx): Adjust.
1141         (fix_trunc<mode>si2_stfiwx): Adjust.
1142         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1143         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1144         (mfpgpr): Mark as deprecated.
1145         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1146         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1147         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1148
1149 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1150
1151         * config/rs6000/constraints.md (define_register_constraint "wg"):
1152         Delete.
1153         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1154         RS6000_CONSTRAINT_wg.
1155         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1156         (rs6000_init_hard_regno_mode_ok): Adjust.
1157         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1158         Delete "wg" alternatives.
1159         * doc/md.texi (Machine Constraints): Adjust.
1160
1161 2019-06-03  Alan Modra  <amodra@gmail.com>
1162
1163         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1164         (get_uncond_jump_length): Assert length less than INT_MAX and
1165         non-negative.
1166
1167 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1168
1169         PR middle-end/64242
1170         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1171         block.
1172         (expand_builtin_nonlocal_goto): Likewise.
1173
1174 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1175
1176         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1177         (aarch64_asm_output_external): Declare.
1178         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1179         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1180         (aarch64_asm_output_alias): New.
1181         (aarch64_asm_output_external): New.
1182         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1183         (ASM_OUTPUT_EXTERNAL): Define.
1184
1185 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1186         * tree-vrp.h (value_range_base::nonzero_p): New.
1187         (value_range_base::set_nonnull): Rename to...
1188         (value_range_base::set_nonzero): ...this.
1189         (value_range_base::set_null): Rename to...
1190         (value_range_base::set_zero): ...this.
1191         (value_range::set_nonnull): Remove.
1192         (value_range::set_null): Remove.
1193         * tree-vrp.c (range_is_null): Remove.
1194         (range_is_nonnull): Remove.
1195         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1196         instead of range_is_*null.
1197         (extract_range_from_unary_expr): Same.
1198         (value_range_base::set_nonnull): Rename to...
1199         (value_range_base::set_nonzero): ...this.
1200         (value_range::set_nonnull): Remove.
1201         (value_range_base::set_null): Rename to...
1202         (value_range_base::set_zero): ...this.
1203         (value_range::set_null): Remove.
1204         (extract_range_from_binary_expr): Rename set_*null uses to
1205         set_*zero.
1206         (extract_range_from_unary_expr): Same.
1207         (union_helper): Same.
1208         * vr-values.c (get_value_range): Use set_*zero instead of
1209         set_*null.
1210         (vr_values::extract_range_from_binary_expr): Same.
1211         (vr_values::extract_range_basic): Same.
1212
1213 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1214
1215         PR driver/90684
1216         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1217
1218 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1219
1220         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1221         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1222         (aarch64_<su>abd<mode>_3): ... This.
1223         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1224
1225 2019-06-03  Richard Biener  <rguenther@suse.de>
1226
1227         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1228         full reference tree and record in ref->ref.
1229         (vn_reference_lookup_3): Pass in original ref to
1230         ao_ref_init_from_vn_reference.
1231         (vn_reference_lookup): Likewise.
1232         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1233         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1234         Handle non-decl bases in the original reference.
1235
1236 2019-06-03  Martin Liska  <mliska@suse.cz>
1237
1238         * doc/generic.texi: Remove Java Trees.
1239
1240 2019-06-03  Martin Liska  <mliska@suse.cz>
1241
1242         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1243         returns 0 when operands are equal.
1244
1245 2019-06-03  Richard Biener  <rguenther@suse.de>
1246
1247         PR tree-optimization/90716
1248         * tree-loop-distribution.c (destroy_loop): Process blocks in
1249         correct order.
1250
1251 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1252
1253         PR target/88837
1254         * vector-builder.h (vector_builder::count_dups): New method.
1255         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1256         Declare prototype.
1257         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1258         (vec_init<mode><Vel>): New pattern.
1259         * config/aarch64/aarch64.c (emit_insr): New function.
1260         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1261         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1262         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1263         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1264
1265 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1266
1267         PR tree-optimization/90681
1268         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1269         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1270         special case for SLP, but fail on non-groupped loads.
1271
1272 2019-06-03  Martin Liska  <mliska@suse.cz>
1273
1274         * cfg.c (debug): Use TDF_DETAILS for debug and
1275         print edge info only once.
1276
1277 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1278
1279         PR fortran/90539
1280         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1281
1282 2019-06-01  Martin Sebor  <msebor@redhat.com>
1283
1284         PR middle-end/90694
1285         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1286
1287 2019-05-31  Jan Hubicka  <jh@suse.cz>
1288
1289         * alias.c: Include ipa-utils.h.
1290         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1291         * ipa-devirt.c (prevailing_odr_type): New.
1292         * ipa-utils.h (previaling_odr_type): Declare.
1293
1294 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1295             Hongtao Liu  <hongtao.liu@intel.com>
1296
1297         PR target/89355
1298         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1299         NOTE_INSN_DELETED_LABEL check.
1300
1301 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1302             Robert Suchanek  <robert.suchanek@mips.com>
1303
1304         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1305         and 3rd operands of the fmadd/fmsub/maddv builtin.
1306
1307 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1308
1309         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1310         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1311         on OMP_SIMD if not nested inside of worksharing loop that also has
1312         lastprivate conditional clause for the same decl.
1313         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1314         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1315         on simd.
1316         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1317         on simd construct.
1318         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1319         on simd construct.
1320         (lower_lastprivate_clauses): Likewise.
1321         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1322         calling lower_rec_input_clauses.
1323         (lower_omp_for): Likewise.
1324         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1325         clause on simd construct.
1326         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1327         OMP_CLAUSE__CONDTEMP_ clause is present.
1328
1329         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1330         ivar and lvar.
1331
1332 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1333
1334         PR c/43673
1335         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1336         TEX_D32, TEX_D64 or TEX_D128.
1337
1338 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1339
1340         * match.pd (~(vec?cst1:cst2)): New transformation.
1341
1342 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1343
1344         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1345         ((size_t)(A /[ex] B) CMP C): New transformation.
1346
1347 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1348
1349         * doc/md.texi: Document define_insn_and_rewrite.
1350         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1351         * gensupport.c (queue_elem): Update comment.
1352         (replace_operands_with_dups): New function.
1353         (gen_rewrite_sequence): Likewise.
1354         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1355         * read-rtl.c (apply_subst_iterator): Likewise.
1356         (add_condition_to_rtx, named_rtx_p): Likewise.
1357         (rtx_reader::read_rtx_operand): Likewise.
1358         * config/aarch64/aarch64-sve.md
1359         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1360         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1361         define_insn_and_rewrite.
1362         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1363         Remove separate define_split.
1364
1365 2019-05-31  Jan Hubicka  <jh@suse.cz>
1366
1367         * tree-ssa-alias.c (type_has_components_p): New function.
1368         (aliasing_component_refs_p): Use it.
1369
1370 2019-05-31  Martin Liska  <mliska@suse.cz>
1371
1372         * gdbhooks.py: Add const_tree to TreePrinter.
1373
1374 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1375
1376         PR debug/86964
1377         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1378         * doc/invoke.texi (Debugging Options): Document new default of
1379         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1380
1381 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1382
1383         PR tree-optimization/90671
1384         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1385         template_block used to be empty on the first call, don't use
1386         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1387         seq with bb_seq and set it with set_bb_seq.
1388
1389 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1390
1391         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1392
1393 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1394             Michael Meissner  <meissner@linux.ibm.com>
1395
1396         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1397         (prefixed_mem_operand): Likewise.
1398         (non_prefixed_mem_operand): Likewise.
1399         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1400         prototype.
1401         * config/rs6000/rs6000.c (print_operand_address): Handle
1402         PC-relative addresses.
1403         (mode_supports_prefixed_address_p): New function.
1404         (rs6000_prefixed_address): New function.
1405         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1406         (SYMBOL_REF_PCREL_P): Likewise.
1407
1408 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1409
1410         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1411         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1412         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1413         is nested inside of parallel region, add _condtemp_ clause to both.
1414         * tree-nested.c (convert_nonlocal_omp_clauses,
1415         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1416         assertion failure.
1417         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1418         member.
1419         * omp-general.c (omp_extract_for_data): Compute it.
1420         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1421         (lower_rec_input_clauses): Likewise.
1422         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1423         clause is already present, just add one further one after it.
1424         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1425         (lower_send_shared_vars): Clear _condtemp_ vars.
1426         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1427         or section or taskgroup.
1428         * omp-expand.c (determine_parallel_type): Disallow combining only if
1429         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1430         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1431         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1432         expand_omp_for_static_chunk, expand_omp_for): Use
1433         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1434         determine if a special set of API routines are needed and if condtemp
1435         needs to be initialized, while always initialize cond_var if
1436         fd->lastprivate_conditional is non-zero.
1437
1438 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1439             Michael Meissner  <meissner@linux.ibm.com>
1440
1441         * config/rs6000/constraints.md (eI): New constraint.
1442         * config/rs6000/predicates.md (cint34_operand): New predicate.
1443         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1444         (SIGNED_34BIT_OFFSET_P): Likewise.
1445         * doc/md.texi (eI): Document constraint.
1446
1447 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1448
1449         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1450
1451 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1452             Michael Meissner  <meissner@linux.ibm.com>
1453
1454         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1455         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1456         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1457         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1458         (OTHER_FUTURE_MASKS): Likewise.
1459         (POWERPC_MASKS): Likewise.
1460         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1461         specified without -mprefixed-addr or -mcpu=future.  Error if
1462         -mprefixed-addr is specified without -mcpu=future.
1463         (rs6000_opt_masks): Add entry for prefixed-addr.
1464         * rs6000.opt (mprefixed-addr): New option.
1465
1466 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1467
1468         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1469         cfun->is_thunk check.
1470
1471 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1472
1473         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1474         to length.
1475
1476 2019-05-30  Martin Liska  <mliska@suse.cz>
1477
1478         * gdbinit.in: Fix 'ptc' command.  Add trt
1479         that prints TREE_TYPE($).
1480
1481 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1482             Alan Modra  <amodra@gmail.com>
1483
1484         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1485         calls here...
1486         (rs6000_indirect_call_template_1): ...and here.
1487         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1488         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1489         rs6000_pltseq_enum.
1490         (rs6000_decl_ok_for_sibcall): New function.
1491         (rs6000_function_ok_for_sibcall): Refactor.
1492         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1493         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1494         when pcrel.  Reorganize.
1495         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1496         * rs6000.h (rs6000_pltseq_enum): New enum.
1497         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1498         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1499         (*pltseq_plt16_ha): Likewise.
1500         (*pltseq_plt16_lo): Likewise.
1501         (*pltseq_mtctr): Likewise.
1502         (*pltseq_plt_pcrel): New insn.
1503         (*call_local_aix): Handle @notoc calls.
1504         (*call_value_local_aix): Likewise.
1505         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1506         (*call_value_nonlocal_aix): Likewise.
1507         (*call_indirect_pcrel): New insn.
1508         (*call_value_indirect_pcrel): Likewise.
1509
1510
1511 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1512
1513         * config/i386/sse.md (*save_multiple<mode>): Rename from
1514         save_multiple<mode>.
1515         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1516         (*restore_multiple_and_return<mode>): Rename from
1517         restore_multiple_and_return<mode>.
1518         (*restore_multiple_leave_return<mode>): Rename from
1519         restore_multiple_leave_return<mode>.
1520
1521 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1522
1523         * config.gcc (rx-*-linux*): New target.
1524         * config/rx/elf.opt: New file.
1525         * config/rx/linux.h: Likewise.
1526         * config/rx/t-linux: Likewise.
1527         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1528         make it zero.
1529         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1530         (ASM_APP_OFF): Likewise.
1531         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1532         moved elsewhere.
1533
1534 2019-05-29  Jan Hubicka  <jh@suse.cz>
1535
1536         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1537         variants are pointer equivalent.
1538
1539 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1540
1541         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1542         * config/aarch64/aarch64-sve2.md: New file.
1543         (<u>avg<mode>3_floor): New pattern.
1544         (<u>avg<mode>3_ceil): Likewise.
1545         (*<sur>h<addsub><mode>): Likewise.
1546         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1547         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1548
1549 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1550
1551         PR bootstrap/90543
1552         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1553         for var_opt_string printing.  In cl_optimization_print_diff, print
1554         (null) instead of invoking undefined behavior if one of the
1555         var_opt_string pointers is NULL and use && instead of first || in the
1556         guarding condition.  For var_target_other options, handle const char *
1557         target variables similarly to const char * optimize node variables.
1558
1559 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1560
1561         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1562         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1563         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1564         Add autib1716 and pacib1716 initialisation.
1565         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1566         for autib1716 and pacib1716.
1567         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1568         aarch64_post_cfi_startproc): Define.
1569         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1570         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1571         aarch64_handle_pac_ret_protection): Set default sign key to A.
1572         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1573         aarch64_expand_prologue): Add check for b-key.
1574         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1575         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1576         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1577         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1578         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1579         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1580         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1581         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1582         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1583         pauth_hint_num_a with pauth_hint_num.
1584         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1585         pauth_hint_num_a with pauth_hint_num.
1586         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1587         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1588         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1589         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1590         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1591         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1592         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1593         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1594         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1595         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1596         UNSPEC_AUTIA1716 respectively.
1597         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1598         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1599         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1600         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1601         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1602
1603 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1604
1605         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1606         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1607         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1608         explicit clause on combined parallel into implicit shared clause.
1609         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1610         and firstprivate if the decl has one too from combined parallel to
1611         the worksharing construct.
1612
1613 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1614             Michael Meissner  <meissner@linux.ibm.com>
1615
1616         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1617
1618 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1619
1620         * rtl.h (LABEL_REF_P): New #define.
1621
1622 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1623
1624         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1625
1626 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1627
1628         * internal-fn.c: Marked mask_load_direct as vectorizable.
1629         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1630         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1631         combined even if masks different with allow_slp_p param.
1632         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1633         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1634         dissolve SLP-only vectorizable groups when SLP has been discarded.
1635         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1636         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1637         masks.
1638         (vect_build_slp_tree_1): Fixed comment typo.
1639         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1640         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1641         loads for SLP only.
1642         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1643         vectorizable.
1644         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1645
1646 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1647
1648         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1649         Remove obsolete use_thunk reference.
1650         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1651         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1652         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1653         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1654         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1655         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1656         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1657         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1658         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1659
1660 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1661
1662         * tree.h (IDENTIFIER_ANON_P): New.
1663         (anon_aggrname_format, anon_aggname_p): Don't declare.
1664         (make_anon_name): Declare.
1665         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1666         (hash_tree): Likewise.
1667         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1668         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1669         (anon_cnt, make_anon_name): New.
1670
1671 2019-05-28  Martin Liska  <mliska@suse.cz>
1672
1673         PR other/90315
1674         * opts-global.c (decode_options): Print help for all
1675         help_option_arguments.
1676         * opts.c (print_help): Add new argument.
1677         (common_handle_option): Remember all values into
1678         help_option_arguments.
1679         * opts.h (print_help): Add new argument.
1680
1681 2019-05-28  Martin Liska  <mliska@suse.cz>
1682
1683         PR ipa/90555
1684         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1685         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1686         (func_checker::compare_bb): Call compare_loops.
1687
1688 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1689
1690         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1691         on sections construct.
1692         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1693         construct.
1694         (lower_omp_sections): Handle lastprivate conditional.
1695         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1696         lastprivate_conditional_map.
1697         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1698
1699         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1700         critical, taskgroup and section regions when looking for a region
1701         with non-NULL lastprivate_conditional_map.
1702
1703 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1704
1705         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1706         (*ix86_gen_sub3): Ditto.
1707         (*ix86_gen_sub3_carry): Ditto.
1708         (*ix86_gen_one_cmpl2): Ditto.
1709         (*ix86_gen_andsp): Ditto.
1710         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1711         (gen_and2_insn): New static function.
1712         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1713         Use gen_add3_insn instead of ix86_gen_add3.
1714         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1715         instead of ix86_gen_add3.
1716         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1717         Use gen_sub3_insn instead of ix86_gen_sub3.
1718         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1719         instead of ix86_gen_add3.
1720         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1721         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1722         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1723         * config/i386/i386-options.c (ix86_option_override_internal):
1724         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1725         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1726
1727 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1728
1729         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1730         and DW_OP_GNU_const_index opcodes.
1731
1732 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1733
1734         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1735
1736 2019-05-27  Richard Biener  <rguenther@suse.de>
1737
1738         PR tree-optimization/90637
1739         * tree-ssa-sink.c (statement_sink_location): Honor the
1740         computed sink location for single-uses.
1741
1742 2019-05-27  Richard Biener  <rguenther@suse.de>
1743
1744         PR middle-end/90610
1745         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1746         a bit-insert.
1747
1748 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1749
1750         * config/i386/i386.md (@sub<mode>3_carry): Rename
1751         from sub<mode>3_carry.
1752         (@leave_<mode>): New expander.
1753         (*leave): Rename from leave.
1754         (*leave_rex64): Rename from leave_rex64.
1755         (@monitorx_<mode>): Rename from monitorx_<mode>.
1756         (@clzero_<mode>): Rename from clzero_<mode>.
1757         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1758         from sse3_monitor_<mode>.
1759         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1760         (*ix86_gen_leave): Ditto.
1761         (*ix86_gen_monitor): Ditto.
1762         (*ix86_gen_monitorx): Ditto.
1763         (*ix86_gen_clzero): Ditto.
1764         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1765         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1766         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1767         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1768         Use gen_sse3_monitor instead of ix86_gen_monitor.
1769         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1770         instead of ix86_gen_monitorx.
1771         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1772         instead of ix86_gen_clzero.
1773         * config/i386/i386-options.c (ix86_option_override_internal):
1774         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1775         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1776
1777 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1778
1779         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1780         Rename from tls_global_dynamic_64_<mode>.
1781         (@tls_local_dynamic_base_64_<mode>): Rename from
1782         tls_local_dynamic_base_64_<mode>.
1783         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1784         Remove indirect function.
1785         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1786         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1787         instead of ix86_gen_tls_global_dynamic_64.
1788         Use gen_tls_local_dynamic_base_64 instead of
1789         ix86_gen_tls_local_dynamic_base_64.
1790         * config/i386/i386-options.c (ix86_option_override_internal):
1791         Do not initialize ix86_gen_tls_global_dynamic_64 and
1792         ix86_gen_tls_local_dynamic_base_64.
1793
1794 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1795
1796         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1797         Rename from pro_epilogue_adjust_stack_<mode>_add.
1798         (@pro_epilogue_adjust_stack_sub_<mode>)
1799         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1800         (@allocate_stack_worker_probe_<mode>):
1801         Rename from allocate_stack_worker_probe_<mode>.
1802         (allocate_stack): Use gen_allocate_stack_worker_probe.
1803         (probe_stack): Use gen_probe_stack_1.
1804         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1805         (@adjust_stack_and_probe_<mode>): Rename from
1806         adjust_stack_and_probe<mode>.
1807         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1808         (stack_protect_set): Use gen_stack_protect_set_1.
1809         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1810         (stack_protect_test): Use gen_stack_protect_test_1.
1811         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1812         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1813         Remove indirect function.
1814         (*ix86_gen_adjust_stack_and_probe): Ditto.
1815         (*ix86_gen_probe_stack_range): Ditto.
1816         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1817         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1818         (ix86_adjust_stack_and_probe_stack_clash): Use
1819         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1820         (ix86_adjust_stack_and_probe): Ditto.
1821         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1822         of ix86_gen_probe_stack_range.
1823         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1824         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1825         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1826         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1827         CODE_FOR_stack_protect_test_{si,di}.
1828         * config/i386/i386-options.c (ix86_option_override_internal):
1829         Do not initialize ix86_gen_allocate_stack_worker,
1830         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1831
1832 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
1833
1834         * doc/invoke.texi (Link Options): Many editorial changes around
1835         -flinker-output.
1836
1837 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1838
1839         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
1840         pre-Solaris 11 referene and most Studio compiler details.
1841
1842 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
1843
1844         PR target/90530
1845         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
1846         DImode to SImode in floating-point registers on 64-bit target.
1847         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
1848         register_operand in xmpyu patterns.
1849
1850 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1851
1852         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
1853         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
1854         OMP_CLAUSE__REDUCTEMP_.
1855         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
1856         OMP_CLAUSE__CONDTEMP_.
1857         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
1858         * tree-pretty-print.c (dump_omp_clause): Likewise.
1859         * tree-nested.c (convert_nonlocal_omp_clauses,
1860         convert_local_omp_clauses): Likewise.
1861         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
1862         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
1863         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
1864         on OMP_FOR.
1865         (gimplify_omp_for): Warn and disable conditional modifier from
1866         lastprivate on loop iterators.
1867         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
1868         member.
1869         * omp-general.c (omp_extract_for_data): Initialize it.
1870         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
1871         member.
1872         (delete_omp_context): Delete it.
1873         (lower_lastprivate_conditional_clauses): New function.
1874         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
1875         handle lastprivate conditional clauses.
1876         (lower_reduction_clauses): Add CLIST argument, emit it into
1877         the critical section if any.
1878         (lower_omp_sections): Adjust lower_lastprivate_clauses and
1879         lower_reduction_clauses callers.
1880         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
1881         to lower_lastprivate_clauses.
1882         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
1883         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
1884         clist into a critical section if not emitted there already by
1885         lower_reduction_clauses.
1886         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
1887         callers.
1888         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
1889         conditional variables.
1890         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
1891         clause is present.
1892         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1893         expand_omp_for_static_chunk): Handle lastprivate conditional.
1894         (expand_omp_for): Handle fd.lastprivate_conditional like
1895         fd.have_reductemp.
1896
1897 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1898
1899         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
1900         kernel does not exit cleanly.
1901         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
1902
1903 2019-05-24  Jason Merrill  <jason@redhat.com>
1904
1905         Revert:
1906         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
1907
1908 2019-05-24  Richard Biener  <rguenther@suse.de>
1909
1910         PR testsuite/90607
1911         * tree-loop-distribution.c (struct partition): Add location
1912         member.
1913         (partition_alloc): Initialize all fields.
1914         (generate_memset_builtin): Use the location recorded in the
1915         partition for the generated call.
1916         (generate_memcpy_builtin): Likewise.
1917         (classify_partition): Record the location of a single store
1918         as location for the partition.
1919
1920 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
1921
1922         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
1923         for lo-part.
1924
1925 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
1926
1927         PR target/90588
1928         * common/config/aarch64/aarch64-common.c
1929         (aarch64_rewrite_selected_cpu): Change local temporary variable
1930         type from unsigned long to uint64_t.
1931         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
1932         aarch64_get_extension_string_for_isa_flags): Change declaration to
1933         match new definition by replacing unsigned long with uint64_t.
1934
1935 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
1936
1937         PR target/90568
1938         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
1939         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
1940         Handle stack_protect_test_<mode> codegen similarly to corresponding
1941         sub instruction.
1942
1943 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
1944
1945        * config/i386/darwin.h: Reject -mfentry*.
1946        * doc/sourcebuild.texi: Document mfentry target support.
1947
1948 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1949
1950         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
1951         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
1952         false for PC-relative functions.
1953         (rs6000_output_function_prologue): Change called function name to
1954         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
1955         name,1" for PC-relative functions.
1956         (rs6000_elf_declare_function_name): Change called function name to
1957         rs6000_global_entry_point_prologue_needed_p.
1958
1959 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
1960
1961         PR target/90552
1962         * config/i386/i386.c (gen_rtx_cost):
1963         Use ix86_tune_cost instead of ix86_cost.
1964
1965 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1966             Michael Meissner  <meissner@linux.ibm.com>
1967             Segher Boessenkool  <segher@kernel.crashing.org>
1968
1969         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
1970         OPTION_MASK_PCREL.
1971         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
1972         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
1973         (rs6000_fndecl_pcrel_p): Likewise.
1974         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
1975         error if -mpcrel is requested without -mcpu=future.
1976         (rs6000_opt_masks): Add entry for pcrel.
1977         (rs6000_fndecl_pcrel_p): New function.
1978         (rs6000_pcrel_p): Likewise.
1979         * config/rs6000/rs6000.opt (mpcrel): New option.
1980         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
1981
1982 2019-05-23  Jan Hubicka  <jh@suse.cz>
1983             Martin Liska  <mliska@suse.cz>
1984
1985         PR tree-optimization/90576
1986         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
1987         poly_int_tree_p.
1988         (aliasing_component_refs_p): Fix three way size compare conditional;
1989         give up earlier in case we can not decide on equivalence.
1990
1991 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
1992             Michael Meissner  <meissner@linux.ibm.com>
1993             Segher Boessenkool  <segher@kernel.crashing.org>
1994
1995         * config.gcc: Add future cpu.
1996         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
1997         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
1998         #define.
1999         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
2000         (RS6000_CPU): New instantiation for future cpu.
2001         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2002         PROCESSOR_FUTURE.
2003         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
2004         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
2005         * config/rs6000/rs6000-tables.opt: Regenerate.
2006         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
2007         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
2008         (rs6000_machine_from_flags): Handle future cpu.
2009         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
2010         PROCESSOR_POWER9 for now.
2011         (rs6000_adjust_cost): Likewise.
2012         (rs6000_issue_rate): Likewise.
2013         (rs6000_register_move_cost): Likewise.
2014         (rs6000_opt_masks): Add entry for future.
2015         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
2016         (MASK_FUTURE): New #define.
2017         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
2018         * config/rs6000/rs6000.opt (mfuture): New target option.
2019         * doc/invoke.texi (mcpu): Add future cpu.
2020
2021 2019-05-23  Martin Liska  <mliska@suse.cz>
2022
2023         PR c++/90587
2024         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
2025         operation points to a temporary (pointed via tree_to_wide_ref)
2026         that is out of scope after the &.
2027
2028 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
2029
2030         PR c++/90592
2031         * doc/extend.texi (Function Names): Add missing word.
2032
2033 2019-05-23  Richard Biener  <rguenther@suse.de>
2034
2035         PR tree-optimization/88440
2036         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2037         at -O[2s]+.
2038         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2039         generated call.
2040         (generate_memcpy_builtin): Likewise.
2041         (distribute_loop): Pass in whether to only distribute patterns.
2042         (prepare_perfect_loop_nest): Also allow size optimization.
2043         (pass_loop_distribution::execute): When optimizing a loop
2044         nest for size allow pattern replacement.
2045
2046 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2047
2048         PR target/90568
2049         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2050         of xor.
2051
2052 2019-05-23  Martin Liska  <mliska@suse.cz>
2053
2054         PR sanitizer/90570
2055         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2056         expression similarly to gimplify_decl_expr.
2057
2058 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2059
2060         * cse.c (cse_dump_path): s/dump_file/f.
2061
2062 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2063
2064         PR c++/90462
2065         * diagnostic-format-json.cc: Include "selftest.h".
2066         (json_from_expanded_location): Only add "file" key for non-NULL
2067         file strings.
2068         (json_from_location_range): Don't add "start" and "finish"
2069         children if they are UNKNOWN_LOCATION.
2070         (selftest::test_unknown_location): New selftest.
2071         (selftest::test_bad_endpoints): New selftest.
2072         (selftest::diagnostic_format_json_cc_tests): New function.
2073         * json.cc (json::object::get): New function.
2074         (selftest::test_object_get): New selftest.
2075         (selftest::json_cc_tests): Call it.
2076         * json.h (json::object::get): New decl.
2077         * selftest-run-tests.c (selftest::run_tests): Call
2078         selftest::diagnostic_format_json_cc_tests.
2079         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2080         decl.
2081
2082 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2083             Andrew Stubbs  <amd@codesourcery.com>
2084
2085         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2086         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2087         (kernel): Rename to...
2088         (main_kernel): ... this.
2089         (load_image): Load _init_array and _fini_array kernels.
2090         (run): Add argument for kernel to run.
2091         (main): Run init_array_kernel before main_kernel, and
2092         fini_array_kernel after.
2093         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2094         amdgpu_hsa_kernel attribute on functions.
2095         (gcn_disable_constructors): Delete.
2096         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2097         * config/gcn/crt0.c (size_t): Define.
2098         (_init_array, _fini_array): New.
2099         (__preinit_array_start, __preinit_array_end,
2100         __init_array_start, __init_array_end,
2101         __fini_array_start, __fini_array_end): Declare weak references.
2102
2103 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2104
2105         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2106
2107 2019-05-22  Jason Merrill  <jason@redhat.com>
2108
2109         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2110
2111 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2112
2113         PR target/88483
2114         * config/i386/i386-options.c (ix86_init_machine_status): Set
2115         stack_frame_required to true.
2116         * config/i386/i386.c (ix86_get_frame_size): New function.
2117         (ix86_frame_pointer_required): Replace get_frame_size with
2118         ix86_get_frame_size.
2119         (ix86_compute_frame_layout): Likewise.
2120         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2121         stack_frame_required.
2122         (ix86_finalize_stack_frame_flags): Always call
2123         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2124         ix86_get_frame_size.
2125         * config/i386/i386.h (machine_function): Add stack_frame_required.
2126
2127 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2128
2129         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2130
2131 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2132
2133         * common/config/aarch64/aarch64-common.c
2134         (struct aarch64_option_extension, struct processor_name_to_arch,
2135         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2136         aarch64_contains_opt,
2137         aarch64_get_extension_string_for_isa_flags): Change type of
2138         variables storing flags to uint64_t.
2139         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2140         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2141         * config/aarch64/aarch64.c (struct processor,
2142         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2143         aarch64_validate_march, aarch64_override_options,
2144         aarch64_option_print, aarch64_handle_attr_isa_flags,
2145         aarch64_declare_function_name, aarch64_start_file): Make flag
2146         variables uint64_t.
2147         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2148         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2149         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2150         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2151         * config/aarch64/driver-aarch64.c
2152         (struct aarch64_arch_extension, struct aarch64_core_data,
2153         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2154         flag variables uint64_t.
2155         * doc/invoke.texi: Add documentation for new arguments.
2156
2157 2019-05-22  Richard Biener  <rguenther@suse.de>
2158
2159         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2160         rewrite ...
2161         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2162
2163 2019-05-22  Martin Liska  <mliska@suse.cz>
2164
2165         PR lto/90500
2166         * doc/extend.texi: Document the change.
2167
2168 2019-05-22  Richard Biener  <rguenther@suse.de>
2169
2170         PR tree-optimization/90450
2171         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2172         (mem_ref_hasher::equal): Check it.
2173         (mem_ref_alloc): Initialize it.
2174         (gather_mem_refs_stmt): Set it.
2175
2176 2019-05-22  Richard Biener  <rguenther@suse.de>
2177
2178         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2179         Add ABS_EXPR.
2180         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2181         as ABSU_EXPR.
2182
2183 2019-05-22  Alan Modra  <amodra@gmail.com>
2184
2185         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2186         (ASM_CPU_SPEC): Conditionally add -many.
2187         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2188         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2189         (rs6000_file_start): ..extracted from here, and modified to
2190         test all ISA bits.
2191         (rs6000_output_function_prologue): Emit .machine as necessary.
2192         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2193         power mnemonics.
2194         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2195         added by check_vect_support_and_set_flags.
2196         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2197         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2198
2199 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2200
2201         PR middle-end/90553
2202         * ira-lives.c (process_bb_node_lives): Consider defs
2203         for a call insn to be die before the call, not after.
2204
2205         * function.c (assign_parm_setup_block): Raise alignment of
2206         stacked parameter only for STRICT_ALIGNMENT targets.
2207
2208 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2209
2210         * config/rs6000/constraints.md (define_register_constraint "wz"):
2211         Delete.
2212         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2213         RS6000_CONSTRAINT_wz.
2214         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2215         (rs6000_init_hard_regno_mode_ok): Adjust.
2216         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2217         * doc/md.texi (Machine Constraints): Adjust.
2218
2219 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2220
2221         * config/rs6000/constraints.md (define_register_constraint "wl"):
2222         Delete.
2223         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2224         RS6000_CONSTRAINT_wl.
2225         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2226         (rs6000_init_hard_regno_mode_ok): Adjust.
2227         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2228         * doc/md.texi (Machine Constraints): Adjust.
2229
2230 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2231
2232         * config/rs6000/constraints.md (define_register_constraint "wm"):
2233         Delete.
2234         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2235         RS6000_CONSTRAINT_wm.
2236         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2237         (rs6000_init_hard_regno_mode_ok): Adjust.
2238         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2239         * doc/md.texi (Machine Constraints): Adjust.
2240
2241 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2242
2243         * config/rs6000/constraints.md (define_register_constraint "wk"):
2244         Delete.
2245         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2246         RS6000_CONSTRAINT_wk.
2247         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2248         (rs6000_init_hard_regno_mode_ok): Adjust.
2249         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2250         * doc/md.texi (Machine Constraints): Adjust.
2251
2252 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2253
2254         * config/rs6000/constraints.md (define_register_constraint "wj"):
2255         Delete.
2256         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2257         RS6000_CONSTRAINT_wj.
2258         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2259         (rs6000_init_hard_regno_mode_ok): Adjust.
2260         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2261         (VS_64dm): Delete.
2262         * config/rs6000/vsx.md: Ditto.
2263         * doc/md.texi (Machine Constraints): Adjust.
2264
2265 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2266
2267         * config/rs6000/constraints.md (define_register_constraint "wh"):
2268         Delete.
2269         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2270         RS6000_CONSTRAINT_wh.
2271         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2272         (rs6000_init_hard_regno_mode_ok): Adjust.
2273         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2274         * doc/md.texi (Machine Constraints): Adjust.
2275
2276 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2277
2278         PR target/90547
2279         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2280         Avoid calling gen_lowpart with CONST operand.
2281
2282 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2283
2284         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2285         field template_last_to_copy.
2286         (ssa_create_duplicates): Set it, and use it.  Attempt to
2287         preserve more debug stmts.
2288
2289 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2290
2291         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2292         (signbit<mode>2): New expander
2293
2294 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2295
2296         PR bootstrap/87338
2297         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2298         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2299
2300 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2301
2302         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2303         %ebx and %ecx bafore calling cpuid with leaf 1 or
2304         non-constant leaf argument.
2305
2306 2019-05-21  Alan Modra  <amodra@gmail.com>
2307
2308         PR target/90545
2309         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2310         power9 direct move cost.
2311         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2312         Correct comments and rename functions to suit parameters.
2313
2314 2019-05-21  Richard Biener  <rguenther@suse.de>
2315
2316         PR middle-end/90510
2317         * fold-const.c (fold_read_from_vector): New function.
2318         * fold-const.h (fold_read_from_vector): Declare.
2319         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2320         single-element insert permutations.  Canonicalize selector
2321         further and fix issue with last commit.
2322
2323 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2324
2325         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2326         parameter with default value false to declaration.
2327         (split_edges_for_insertion): New inline function.  Wrapper for
2328         split_critical_edges with for_edge_insertion_p = true.
2329         * tree-cfg.c (split_critical_edges): Don't split non-critical
2330         edges if for_edge_insertion_p is false.  Fix whitespace.
2331         * tree-ssa-pre.c (pass_pre::execute): Call
2332         split_edges_for_insertion instead of split_critical_edges.
2333         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2334         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2335         (pass_data_sink_code): Update function name in the comment.
2336
2337 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2338
2339         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2340         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2341         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2342         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2343         positives.
2344
2345 2019-05-21  Martin Liska  <mliska@suse.cz>
2346
2347         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2348         an extra newline.
2349         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2350         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2351         vec_lvsr.
2352         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2353         Quote a C type.
2354         (rs6000_function_arg): Likewise.
2355         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2356         (rs6000_expand_ternop_builtin): Use interval syntax.
2357         (get_element_number): Likewise.
2358         (altivec_expand_builtin): Likewise.
2359         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2360
2361 Fix test-suite.
2362
2363 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR c++/59813
2366         PR target/90418
2367         * function.h (struct function): Add calls_eh_return member.
2368         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2369         gimplifying __builtin_eh_return call.
2370         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2371         to cfun.
2372         (expand_call_inline): Or in src_cfun->calls_eh_return into
2373         dst_cfun->calls_eh_return.
2374         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2375         cfun->calls_eh_return.
2376         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2377         * lto-streamer-out.c (output_struct_function_base): Write
2378         calls_eh_return.
2379
2380 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2381
2382         PR rtl-optimization/43147
2383         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2384         IX86_BUILTIN_SHUFPD.
2385
2386 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2387
2388         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2389         (refs_may_alias_p_1): ... here; update stats.
2390         (refs_may_alias_p): Do not update stats here.
2391
2392 2019-05-20  Richard Biener  <rguenther@suse.de>
2393
2394         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2395         doesn't produce pointers.
2396         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2397         the first operand points to.
2398
2399 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2400
2401         * tree-ssa-alias.c (compare_sizes): New function.
2402         (sompare_type_sizes): New function
2403         (aliasing_component_refs_p): Use it.
2404         (indirect_ref_may_alias_decl_p): Likewise.
2405
2406 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2407
2408         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2409
2410 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2411
2412         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2413         (LIBLSAN_EARLY_SPEC): Likewise.
2414         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2415
2416 2019-05-20  Martin Liska  <mliska@suse.cz>
2417
2418         * config/i386/i386.c (ix86_libc_has_fast_function):
2419         Add ATTRIBUTE_UNUSED for the argument.
2420
2421 2019-05-20  Richard Biener  <rguenther@suse.de>
2422
2423         * gimple-match-head.c: Include vec-perm-indices.h.
2424         * generic-match-head.c: Likewise.
2425         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2426         is included.
2427         * fold-const.c (fold_vec_perm): Export.
2428         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2429         (match.pd): ...here.
2430
2431 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2432
2433         * cfgloop.h (struct loop): Add simdlen member.
2434         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2435         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2436         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2437         as new argument to autovectorize_vector_sizes target hook.  If
2438         loop->simdlen, pick up vector size where the vectorization factor
2439         is equal to loop->simd, and if there is none, fall back to the first
2440         successful one.
2441         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2442         caller.
2443         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2444         * omp-general.c (omp_max_vf): Likewise.
2445         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2446         * tree-vect-slp.c (vect_slp_bb): Likewise.
2447         * target.def (autovectorize_vector_sizes): Add ALL argument and
2448         document it.
2449         * doc/tm.texi: Adjust documentation.
2450         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2451         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2452         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2453         bool argument.
2454         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2455         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2456         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2457         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2458         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2459         preferred vector size is not 512-bit or 256-bit, just put those
2460         unpreferred ones last.
2461
2462 2019-05-20  Martin Liska  <mliska@suse.cz>
2463
2464         * targhooks.c (default_libc_has_fast_function): New function.
2465         * targhooks.h (default_libc_has_fast_function): Likewise.
2466
2467 2019-05-20  Martin Liska  <mliska@suse.cz>
2468
2469         PR middle-end/90263
2470         * builtins.c (expand_builtin_memory_copy_args): When having a
2471         target with fast mempcpy implementation do now use memcpy.
2472         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2473         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2474         * doc/tm.texi: Likewise.
2475         * doc/tm.texi.in: Likewise.
2476         * target.def:
2477         * expr.c (emit_block_move_hints): Add 2 new arguments.
2478         * expr.h (emit_block_move_hints): Bail out when libcall
2479         to memcpy would be used.
2480
2481 2019-05-20  Martin Liska  <mliska@suse.cz>
2482
2483         * profile-count.c: Add vertical spacing in order
2484         to separate functions.
2485         * profile-count.h: Likewise.
2486
2487 2019-05-20  Martin Liska  <mliska@suse.cz>
2488
2489         * profile-count.h: Do not use full qualified
2490         names if possible.
2491         * profile-count.c (profile_count::to_frequency): Likewise.
2492
2493 2019-05-20  Martin Liska  <mliska@suse.cz>
2494
2495         * profile-count.h (enum profile_quality): Use capital letters
2496         for enum value names.  Use the adjusted names.
2497         * profile-count.c: Use the adjusted names.
2498
2499 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2500
2501         * config/rs6000/constraints.md (define_register_constraint "wH"):
2502         Delete.
2503         (define_register_constraint "wI"): Delete.
2504         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2505         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2506         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2507         (rs6000_init_hard_regno_mode_ok): Adjust.
2508         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2509         resp. "d", or with "wa" as appropriate, all with "p8v".
2510         * config/rs6000/vsx.md: Ditto.
2511         * doc/md.texi (Machine Constraints): Adjust.
2512
2513 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2514
2515         * config/rs6000/constraints.md (define_register_constraint "wy"):
2516         Delete.
2517         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2518         RS6000_CONSTRAINT_wy.
2519         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2520         (rs6000_init_hard_regno_mode_ok): Adjust.
2521         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2522         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2523         (define_mode_attr Fisa): New.
2524         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2525         * doc/md.texi (Machine Constraints): Adjust.
2526
2527 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2528
2529         * config/rs6000/constraints.md (define_register_constraint "wu"):
2530         Delete.
2531         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2532         RS6000_CONSTRAINT_wu.
2533         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2534         (rs6000_init_hard_regno_mode_ok): Adjust.
2535         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2536         both with "p8v".
2537         (define_mode_attr Fa): Delete.
2538         * config/rs6000/vsx.md: Ditto.
2539         * doc/md.texi (Machine Constraints): Adjust.
2540
2541 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2542
2543         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2544         Delete.
2545         (define_register_constraint "wK"): Delete.
2546         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2547         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2548         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2549         (rs6000_init_hard_regno_mode_ok): Adjust.
2550         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2551         Replace "wK" constraint by "wH" with "p9v".
2552         * config/rs6000/vsx.md: Ditto.
2553         * doc/md.texi (Machine Constraints): Adjust.
2554
2555 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2556
2557         * config/rs6000/constraints.md (define_register_constraint "wb"):
2558         Delete.
2559         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2560         RS6000_CONSTRAINT_wb.
2561         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2562         (rs6000_init_hard_regno_mode_ok): Adjust.
2563         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2564         * config/rs6000/vsx.md: Ditto.
2565         * doc/md.texi (Machine Constraints): Adjust.
2566
2567 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2568
2569         * config/rs6000/constraints.md (define_register_constraint "wo"):
2570         Delete.
2571         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2572         RS6000_CONSTRAINT_wo.
2573         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2574         (rs6000_init_hard_regno_mode_ok): Adjust.
2575         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2576         * config/rs6000/altivec.md: Ditto.
2577         * doc/md.texi (Machine Constraints): Adjust.
2578
2579 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2580
2581         * config/darwin-c.c (darwin_register_objc_includes): Do not
2582         prepend the sysroot when building gnu-runtime header search
2583         paths.
2584
2585 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2586
2587         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2588         instead of direct output of the asm.
2589
2590 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2591
2592         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2593         argument to be type bool (was int before).
2594         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2595         at first use.  Use type bool for some variables.  Fix a theoretical
2596         eh_return bug for svr4.
2597
2598 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2599
2600         * config/rs6000/rs6000.md (isa): New attribute.
2601         (enabled): New attribute.
2602
2603 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2604
2605         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2606         assemble_start_function and assemble_end_function.
2607
2608 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2609
2610         PR middle-end/89433
2611         * omp-general.c (oacc_verify_routine_clauses): Change formal
2612         parameters.  Add checking if already marked with an OpenACC
2613         'routine' directive.  Adjust all users.
2614
2615         PR middle-end/89433
2616         * omp-general.c (oacc_build_routine_dims): Move some of its
2617         processing into...
2618         (oacc_verify_routine_clauses): ... this new function.
2619         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2620
2621 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2622
2623         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2624         formating of picbase labels to match other ports.
2625
2626 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2627
2628         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2629         in the generated code.
2630
2631 2019-05-16  Martin Sebor  <msebor@redhat.com>
2632
2633         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2634         identifiers, keywords, operators, and types in diagnostics.  Correct
2635         quoting, spelling, and sentence capitalization issues.
2636         (expand_builtin_atomic_is_lock_free): Same.
2637         (fold_builtin_next_arg): Same.
2638         * cfgexpand.c (expand_one_var): Same.
2639         (tree_conflicts_with_clobbers_p): Same.
2640         (expand_asm_stmt): Same.
2641         (verify_loop_structure): Same.
2642         * cgraphunit.c (process_function_and_variable_attributes): Same.
2643         * collect-utils.c (collect_execute): Same.
2644         * collect2.c (maybe_run_lto_and_relink): Same.
2645         (is_lto_object_file): Same.
2646         (scan_prog_file): Same.
2647         * convert.c (convert_to_real_1): Same.
2648         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2649         * except.c (verify_eh_tree): Same.
2650         * gcc.c (execute): Same.
2651         (eval_spec_function): Same.
2652         (run_attempt): Same.
2653         (driver::set_up_specs): Same.
2654         (compare_debug_auxbase_opt_spec_function): Same.
2655         * gcov-tool.c (unlink_gcda_file): Same.
2656         (do_merge): Same.
2657         (do_rewrite): Same.
2658         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2659         * gimplify.c (gimplify_asm_expr): Same.
2660         (gimplify_adjust_omp_clauses): Same.
2661         * hsa-gen.c (gen_hsa_addr_insns): Same.
2662         (gen_hsa_insns_for_load): Same.
2663         (gen_hsa_cmp_insn_from_gimple): Same.
2664         (gen_hsa_insns_for_operation_assignment): Same.
2665         (gen_get_level): Same.
2666         (gen_hsa_alloca): Same.
2667         (omp_simple_builtin::generate): Same.
2668         (gen_hsa_atomic_for_builtin): Same.
2669         (gen_hsa_insns_for_call): Same.
2670         * input.c (dump_location_info): Same.
2671         * ipa-devirt.c (compare_virtual_tables): Same.
2672         * ira.c (ira_setup_eliminable_regset): Same.
2673         * lra-assigns.c (lra_assign): Same.
2674         * lra-constraints.c (lra_constraints): Same.
2675         * lto-streamer-in.c (lto_input_mode_table): Same.
2676         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2677         (merge_and_complain): Same.
2678         (compile_offload_image): Same.
2679         (compile_images_for_offload_targets): Same.
2680         (debug_objcopy): Same.
2681         (run_gcc): Same.
2682         (main): Same.
2683         * opts.c (print_specific_help): Same.
2684         (parse_no_sanitize_attribute): Same.
2685         (print_help): Same.
2686         (handle_param): Same.
2687         * plugin.c (add_new_plugin): Same.
2688         (parse_plugin_arg_opt): Same.
2689         (try_init_one_plugin): Same.
2690         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2691         operators, and types in diagnostics.  Correct quoting and spelling
2692         issues.
2693         * read-rtl-function.c (parse_edge_flag_token): Same.
2694         (function_reader::parse_enum_value): Same.
2695         * reg-stack.c (check_asm_stack_operands): Same.
2696         * regcprop.c (validate_value_data): Same.
2697         * sched-rgn.c (make_pass_sched_fusion): Same.
2698         * stmt.c (check_unique_operand_names): Same.
2699         * targhooks.c (default_target_option_pragma_parse): Same.
2700         * tlink.c (recompile_files): Same.
2701         * toplev.c (process_options): Same.
2702         (do_compile): Same.
2703         * trans-mem.c (diagnose_tm_1): Same.
2704         (ipa_tm_scan_irr_block): Same.
2705         (ipa_tm_diagnose_transaction): Same.
2706         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2707         format a tree code name in a diagnostic.
2708         (verify_types_in_gimple_min_lval): Same.
2709         (verify_types_in_gimple_reference): Same.
2710         (verify_gimple_call): Same.
2711         (verify_gimple_assign_unary): Same.
2712         (verify_gimple_assign_binary): Same.
2713         (verify_gimple_assign_ternary): Same.
2714         (verify_gimple_assign_single): Same.
2715         (verify_gimple_switch): Same.
2716         (verify_gimple_label): Same.
2717         (verify_gimple_phi): Same.
2718         (verify_gimple_in_seq): Same.
2719         (verify_eh_throw_stmt_node): Same.
2720         (collect_subblocks): Same.
2721         (gimple_verify_flow_info): Same.
2722         (do_warn_unused_result): Same.
2723         * tree-inline.c (expand_call_inline): Same.
2724         * tree-into-ssa.c (update_ssa): Same.
2725         * tree.c (tree_int_cst_elt_check_failed): Same.
2726         (tree_vec_elt_check_failed): Same.
2727         (omp_clause_operand_check_failed): Same.
2728         (verify_type_variant): Same.
2729         (verify_type): Same.
2730         * value-prof.c (verify_histograms): Same.
2731         * varasm.c (assemble_start_function): Same.
2732
2733 2019-05-16  Martin Sebor  <msebor@redhat.com>
2734
2735         * config/i386/i386-expand.c (get_element_number): Quote keywords
2736         and other internal names in diagnostics.  Adjust other diagnostic
2737         formatting issues noted by -Wformat-diag.
2738         * config/i386/i386-features.c
2739         (ix86_mangle_function_version_assembler_name): Same.
2740         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2741         * config/i386/i386.c (ix86_function_type_abi): Same.
2742         (ix86_function_ms_hook_prologue): Same.
2743         (classify_argument): Same.
2744         (ix86_expand_prologue): Same.
2745         (ix86_md_asm_adjust): Same.
2746         (ix86_memmodel_check): Same.
2747
2748 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2749
2750         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2751         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2752         and fpxx modes.
2753
2754 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2755
2756         PR target/90497
2757         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2758         intrinsics without SSE/SSE2/SSSE3.
2759         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2760         check.
2761         (*mmx_uavgv8qi3): Likewise.
2762
2763 2019-05-17  Richard Biener  <rguenther@suse.de>
2764
2765         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2766         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2767
2768 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2769
2770         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2771         vec_sldw insn pattern.
2772
2773 2019-05-17  Richard Biener  <rguenther@suse.de>
2774
2775         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2776
2777 2019-05-17  Martin Liska  <mliska@suse.cz>
2778
2779         PR driver/90496
2780         * toplev.c (output_stack_usage): With LTO and sanitizer it
2781         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2782         has no file location.
2783
2784 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR c++/90484
2787         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2788         sz0 is equal to sz1, instead return false in that case.
2789
2790         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2791         has non-constant expression, force sctx.lane and use two
2792         argument IFN_GOMP_SIMD_LANE instead of single argument.
2793         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2794         two argument IFN_GOMP_SIMD_LANE without lhs.
2795         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2796         member.
2797         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2798         Define.
2799         (LOOP_REQUIRES_VERSIONING): Or in
2800         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2801         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2802         simd_if_cond.
2803         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2804         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2805         from simd if clause if needed.
2806
2807 2019-05-16  Richard Biener  <rguenther@suse.de>
2808
2809         * tree-affine.c (expr_to_aff_combination): New function split
2810         out from...
2811         (tree_to_aff_combination): ... here.
2812         (aff_combination_expand): Avoid building a GENERIC tree.
2813
2814 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2815
2816         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2817         assemble_start_function and assemble_end_function calls.
2818         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2819         assemble_start_function and assemble_end_function.
2820         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2821         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2822         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2823         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2824         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2825         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2826         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2827         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2828         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2829         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2830         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2831         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
2832         Likewise.
2833         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2834         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
2835         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
2836         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
2837         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
2838         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
2839         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
2840         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
2841         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2842         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2843         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2844         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2845         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
2846         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
2847         Likewise.
2848         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
2849         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
2850         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
2851
2852 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
2853
2854         * tree-ssa-alias.c (alias_stats): Add
2855         aliasing_component_refs_p_may_alias and
2856         aliasing_component_refs_p_no_alias.
2857         (dump_alias_stats): Print aliasing_component_refs_p stats.
2858         (aliasing_component_refs_p): Update stats.
2859
2860 2019-05-16  Martin Liska  <mliska@suse.cz>
2861
2862         PR lto/90500
2863         * multiple_target.c (expand_target_clones): Do not allow
2864         target_clones being used with a symbol that is an alias.
2865
2866 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
2867
2868         PR tree-optimization/90394
2869         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
2870         positives rather than ICE for cases where (code2 == NE_EXPR
2871         && code1 == BIT_AND_EXPR).
2872
2873 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2874
2875         PR fortran/90329
2876         * tree-core.h (struct tree_decl_common): Document
2877         decl_nonshareable_flag for PARM_DECLs.
2878         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
2879         * calls.c (expand_call): Don't try tail call if caller
2880         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
2881         passed on the stack and callee needs to pass any arguments on the
2882         stack.
2883         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2884         else if instead of series of mutually exclusive ifs.  Handle
2885         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
2886         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2887
2888         * lto-streamer.h (LTO_major_version): Bump to 9.
2889
2890 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
2891
2892         PR tree-optimization/90106
2893         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
2894         new parameter as new internal function call, also move it to new
2895         basic block.
2896         (use_internal_fn): Pass internal function call to
2897         shrink_wrap_one_built_in_call_with_conds.
2898
2899 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
2900
2901         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
2902         max_vf to 1.
2903         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
2904         safelen_int and set loop->dont_vectorize.
2905
2906 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2907
2908         PR target/89021
2909         * config/i386/i386-builtin.def: Enable MMX intrinsics with
2910         SSE/SSE2/SSSE3.
2911         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
2912         Likewise.
2913         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
2914         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
2915         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
2916         is defined.
2917
2918 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2919
2920         PR target/89021
2921         * config/i386/mmx.md (*vec_dupv2sf): Changed to
2922         define_insn_and_split to support SSE emulation.
2923         (*vec_extractv2sf_0): Likewise.
2924         (*vec_extractv2sf_1): Likewise.
2925         (*vec_extractv2si_0): Likewise.
2926         (*vec_extractv2si_1): Likewise.
2927         (*vec_extractv2si_zext_mem): Likewise.
2928         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
2929         (vec_extractv2sf_1 splitter): Likewise.
2930         (vec_extractv2sfsf): Likewise.
2931         (vec_setv2si): Likewise.
2932         (vec_extractv2si_1 splitter): Likewise.
2933         (vec_extractv2sisi): Likewise.
2934         (vec_setv4hi): Likewise.
2935         (vec_extractv4hihi): Likewise.
2936         (vec_setv8qi): Likewise.
2937         (vec_extractv8qiqi): Likewise.
2938         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2939         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
2940         (vec_extractv2sisi): Likewise.
2941         (vec_extractv4hihi): Likewise.
2942         (vec_extractv8qiqi): Likewise.
2943         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
2944         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
2945         (vec_initv2sisi): Likewise.
2946         (vec_initv4hihi): Likewise.
2947         (vec_initv8qiqi): Likewise.
2948         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
2949         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
2950         (vec_setv4hi): Likewise.
2951         (vec_setv8qi): Likewise.
2952
2953 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2954
2955         PR target/89021
2956         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
2957         TARGET_MMX_WITH_SSE.
2958         (MMXMODE:*mov<mode>_internal): Likewise.
2959         (MMXMODE:movmisalign<mode>): Likewise.
2960
2961 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
2962
2963         PR target/89021
2964         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
2965         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
2966         (sse2_cvtpd2pi): Ditto.
2967         (sse2_cvttpd2pi): Ditto.
2968         (*vec_concatv2sf_sse4_1): Ditto.
2969         (*vec_concatv2sf_sse): Ditto.
2970         (*vec_concatv2si_sse4_1): Ditto.
2971         (*vec_concatv2si): Ditto.
2972         (*vec_concatv4si_0): Ditto.
2973         (*vec_concatv2di_0): Ditto.
2974
2975 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2976
2977         PR target/89021
2978         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
2979
2980 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2981
2982         PR target/89021
2983         * config/i386/sse.md (ssse3_palignrdi): Changed to
2984         define_insn_and_split to support SSE emulation.
2985
2986 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2987
2988         PR target/89021
2989         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
2990
2991 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2992
2993         PR target/89021
2994         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
2995         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
2996         SSE emulation.
2997
2998 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2999
3000         PR target/89021
3001         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
3002         or TARGET_MMX_WITH_SSE.
3003         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
3004
3005 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3006
3007         PR target/89021
3008         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
3009
3010 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3011
3012         PR target/89021
3013         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
3014         Changed to define_insn_and_split to support SSE emulation.
3015
3016 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3017
3018         PR target/89021
3019         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
3020         Changed to define_insn_and_split to support SSE emulation.
3021
3022 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3023
3024         PR target/89021
3025         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
3026         (*mmx_<emms>): This.
3027         (mmx_<emms>): New expander.
3028
3029 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3030
3031         PR target/89021
3032         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
3033         support.
3034         (*sse2_umulv1siv1di3): Add SSE2 emulation.
3035
3036 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3037
3038         PR target/89021
3039         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
3040
3041 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3042
3043         PR target/89021
3044         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3045
3046 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3047
3048         PR target/89021
3049         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3050         TARGET_MMX_WITH_SSE.
3051         (*mmx_uavgv4hi3): Add SSE emulation.
3052
3053 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3054
3055         PR target/89021
3056         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3057         and TARGET_MMX_WITH_SSE.
3058         (*mmx_uavgv8qi3): Add SSE emulation.
3059
3060 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3061
3062         PR target/89021
3063         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3064         maskmovdqu for __MMX_WITH_SSE__.
3065
3066 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3067
3068         PR target/89021
3069         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3070         TARGET_MMX and TARGET_MMX_WITH_SSE.
3071         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3072
3073 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3074
3075         PR target/89021
3076         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3077         define_insn_and_split to support SSE emulation.
3078
3079 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3080
3081         PR target/89021
3082         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3083         and TARGET_MMX_WITH_SSE.
3084         (mmx_<code>v8qi3): Likewise.
3085         (smaxmin:<code>v4hi3): New.
3086         (umaxmin:<code>v8qi3): Likewise.
3087         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3088         (umaxmin:*mmx_<code>v8qi3): Likewise.
3089
3090 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3091
3092         PR target/89021
3093         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3094         TARGET_MMX_WITH_SSE.
3095         (*mmx_pinsrw): Add SSE emulation.
3096
3097 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3098
3099         PR target/89021
3100         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3101
3102 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3103
3104         PR target/89021
3105         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3106         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3107         SSE emulation.
3108
3109 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3110
3111         PR target/89021
3112         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3113         (sse_cvttps2pi): Likewise.
3114
3115 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3116
3117         PR target/89021
3118         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3119         TARGET_MMX_WITH_SSE.
3120         (mmx_pshufw_1): Add SSE emulation.
3121         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3122         TARGET_MMX_WITH_SSE to support SSE emulation.
3123
3124 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3125
3126         PR target/89021
3127         * config/i386/constraints.md (Yw): New constraint.
3128         * config/i386/mmx.md (*vec_dupv2si): Changed to
3129         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3130         support SSE emulation.
3131
3132 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3133
3134         PR target/89021
3135         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3136         TARGET_MMX_WITH_SSE.
3137         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3138         support.
3139         (mmx_gt<mode>3): Likewise.
3140
3141 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3142
3143         PR target/89021
3144         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3145         TARGET_MMX_WITH_SSE.  Add SSE support.
3146
3147 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3148
3149         PR target/89021
3150         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3151         TARGET_MMX_WITH_SSE.
3152         (any_logic:<code><mode>3): New.
3153         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3154         Add SSE support.
3155
3156 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3157
3158         PR target/89021
3159         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3160         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3161         (mmx_<shift_insn><mode>3): Likewise.
3162         (ashr<mode>3): New.
3163         (<shift_insn><mode>3): Likewise.
3164
3165 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3166
3167         PR target/89021
3168         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3169         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3170
3171 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3172
3173         PR target/89021
3174         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3175         TARGET_MMX_WITH_SSE.
3176         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3177         SSE support.
3178
3179 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3180
3181         PR target/89021
3182         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3183         TARGET_MMX_WITH_SSE.
3184         (mulv4hi3): New.
3185         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3186         support.
3187
3188 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3189
3190         PR target/89021
3191         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3192         (plusminus:mmx_<plusminus_insn><mode>3): Check
3193         TARGET_MMX_WITH_SSE.
3194         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3195         (<plusminus_insn><mode>3): New.
3196         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3197         (*mmx_<plusminus_insn><mode>3): Likewise.
3198
3199 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3200
3201         PR target/89021
3202         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3203         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3204         prototype.
3205         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3206         define_insn_and_split to support SSE emulation.
3207         (mmx_punpcklbw): Likewise.
3208         (mmx_punpckhwd): Likewise.
3209         (mmx_punpcklwd): Likewise.
3210         (mmx_punpckhdq): Likewise.
3211         (mmx_punpckldq): Likewise.
3212
3213 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3214             Uros Bizjak  <ubizjak@gmail.com>
3215
3216         PR target/89021
3217         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3218         New function.
3219         (ix86_split_mmx_pack): Likewise.
3220         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3221         New prototype.
3222         (ix86_split_mmx_pack): Likewise.
3223         * config/i386/i386.md (mmx_isa): New.
3224         (enabled): Also check mmx_isa.
3225         * config/i386/mmx.md (any_s_truncate): New code iterator.
3226         (s_trunsuffix): New code attr.
3227         (mmx_packsswb): Removed.
3228         (mmx_packssdw): Likewise.
3229         (mmx_packuswb): Likewise.
3230         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3231         MMX packsswb/packuswb with SSE2.
3232         (mmx_packssdw): Likewise.
3233         * config/i386/predicates.md (register_mmxmem_operand): New.
3234
3235 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3236
3237         PR target/89021
3238         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3239         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3240         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3241         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3242         (ix86_vector_mode_supported_p): Likewise.
3243         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3244
3245 2019-05-15  Martin Liska  <mliska@suse.cz>
3246
3247         PR middle-end/90478
3248         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3249         Check for overflow.
3250
3251 2019-05-15  Richard Biener  <rguenther@suse.de>
3252
3253         * tree-into-ssa.c (pass_build_ssa::execute): Run
3254         update_address_taken before going into SSA.
3255
3256 2019-05-15  Richard Biener  <rguenther@suse.de>
3257
3258         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3259         as __BIT_FIELD_REF with type with -gimple.
3260
3261 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3262
3263         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3264         semantically equivalent branches (left over after prior refactorings).
3265
3266 2019-05-15  Richard Biener  <rguenther@suse.de>
3267
3268         PR tree-optimization/88828
3269         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3270         bogus check.
3271
3272 2019-05-14  Richard Biener  <rguenther@suse.de>
3273
3274         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3275         as __VIEW_CONVERT with -gimple.
3276
3277 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3278
3279         PR target/82920
3280         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3281         Darwin.
3282
3283 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3284
3285         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3286         define_split to become a define_insn_and_split.
3287
3288 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3289
3290         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3291         arguments.
3292         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3293         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3294         (sibcall_epilogue): Adjust.
3295         (epilogue): Adjust.
3296
3297 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3298
3299         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3300         to unsupported ones.
3301         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3302         * config.host: Likewise.
3303         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3304         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3305         __svr4__]: Remove "brand" fallback.
3306         [!KSTAT_DATA_STRING]: Remove.
3307         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3308         to *-*-solaris2*.
3309         (comdat_group): Likewise.
3310         (set_have_as_tls): Likewise.
3311         (gcc_cv_target_dl_iterate_phdr): Likewise.
3312         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3313         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3314         * configure: Regenerate.
3315         * doc/install.texi: Simplify Solaris target triplets.
3316         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3317         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3318         Remove Solaris 10 references.
3319         Remove obsolete Solaris bug reference.
3320         (Specific, sparc-sun-solaris2.10): Remove.
3321
3322 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3323
3324         * config/i386/i386.md (any_div): New code iterator.
3325         (paired_mod): New code attribute.
3326         (sgnprefix): Handle DIV and UDIV RTXes.
3327         (u): Ditto.
3328         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3329         and udivmod<mode>4 patterns using any_div code iterator.
3330         (divmod splitters): Macroize splitters using any_div code iterator.
3331         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3332         (*udivmodsi4_pow2_zext_2): Ditto.
3333         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3334         and *udivmod<mode>4_noext patterns using any_div code iterator.
3335         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3336         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3337         patterns using any_div code iterator.
3338         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3339         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3340         patterns using any_div code iterator.
3341         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3342         udivmodhiqi3 patterns using any_extend code iterator.
3343
3344 2019-05-14  Richard Biener  <rguenther@suse.de>
3345             H.J. Lu  <hongjiu.lu@intel.com>
3346
3347         PR tree-optimization/88828
3348         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3349         permuting in a single non-constant element not extracted
3350         from a vector.
3351
3352 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3353
3354         * internal-fn.def (SIGNBIT): New.
3355         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3356         defined.
3357         (signbitv4sf2): Likewise.
3358
3359 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3360
3361         PR target/90357
3362         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3363         next insn when the SRC reg is dead.
3364
3365 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3366
3367         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3368         (alloc_cand_and_find_basis): Ditto.
3369         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3370         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3371         (create_add_imm_cand, slsr_process_cast): Ditto.
3372         (slsr_process_copy, replace_mult_candidate): Ditto.
3373         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3374         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3375         (pass_strength_reduction::execute): Init the first NULL element.
3376
3377 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3378
3379         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3380         (run_attempt): Reformat line break.
3381
3382 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3383
3384         PR target/90418
3385         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3386         data registers in sibcall epilogues.
3387         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3388
3389 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3390
3391         PR target/89221
3392         * configure.ac (--enable-frame-pointer):
3393         Disable by default for cygwin and mingw.
3394         * configure: Regenerate.
3395
3396 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3397
3398         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3399         piece of code.
3400         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3401         (gen_member_die): Move abstract origin check earlier.  Only VARs
3402         can be static_inline_p.  Simplify splicing control flow.
3403
3404 2019-05-13  Richard Biener  <rguenther@suse.de>
3405
3406         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3407         VIEW_CONVERT_EXPR.
3408         (vect_build_slp_tree_1): Likewise.
3409
3410 2019-05-13  Richard Biener  <rguenther@suse.de>
3411
3412         PR tree-optimization/90402
3413         * tree-if-conv.c (tree_if_conversion): Value number only
3414         the loop body by making the latch an exit of the region
3415         as well.
3416         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3417         processing PHIs.
3418         (do_rpo_vn): Deal with multiple edges into the entry block
3419         that are not backedges inside the region by skipping PHIs
3420         of the entry block.
3421
3422 2019-05-13  Richard Biener  <rguenther@suse.de>
3423
3424         PR tree-optimization/90316
3425         * tree-ssa-pre.c (insert_aux): Fold into ...
3426         (insert): ... this function.  Use a RPO walk to reduce the
3427         number of required iterations.
3428
3429 2019-05-13  Martin Liska  <mliska@suse.cz>
3430
3431         PR tree-optimization/90416
3432         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3433         string instead of passing the second part as va_arg argument.
3434
3435 2019-05-13  Martin Liska  <mliska@suse.cz>
3436
3437         PR gcov-profile/90380
3438         * gcov.c (handle_cycle): Do not support zero cycle count,
3439         it should not be possible.
3440         (path_contains_zero_cycle_arc): New function.
3441         (circuit): Ignore zero cycle arc counts.
3442
3443 2019-05-13  Martin Liska  <mliska@suse.cz>
3444
3445         PR gcov-profile/90380
3446         * gcov.c (enum loop_type): Remove the enum and
3447         the operator.
3448         (handle_cycle): Assert that we should not reach
3449         a negative count.
3450         (circuit): Use loop_found instead of a tri-state loop_type.
3451         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3452         happen.
3453
3454 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3455
3456         PR target/82920
3457         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3458         (ix86_output_indirect_branch_via_reg): Use output mechanism
3459         accounting for __USER_LABEL_PREFIX__.
3460         (ix86_output_indirect_branch_via_push): Likewise.
3461         (ix86_output_function_return): Likewise.
3462         (ix86_output_indirect_function_return): Likewise.
3463
3464 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3465
3466         * doc/md.texi: Document use of code attributes in rtx patterns.
3467         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3468         * read-rtl.c (find_code): Split out search loops into...
3469         (maybe_find_code): ...this new function.
3470         (check_code_iterator): Make the error message more informative.
3471         (check_code_attribute): New function.
3472         (rtx_reader::rtx_alloc_for_name): Likewise.
3473         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3474         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3475         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3476         <max_opp> directly as an rtx code instead of via a match_operator.
3477         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3478         (<su>abd<mode>_3): Update accordingly.
3479
3480 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3481
3482         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3483         is given, print the state of the EH "save world" computation for
3484         Darwin.
3485
3486 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3487
3488         PR c++/59813
3489         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3490         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3491
3492 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3493
3494         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3495         Use pinsrd for TARGET_SSE4_1.
3496         * config/i386/sse.md (movdi_to_sse): Ditto.
3497
3498 2019-05-10  Richard Biener  <rguenther@suse.de>
3499
3500         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3501         (do_rpo_vn): Initialize next_value_id.
3502
3503 2019-05-10  Martin Liska  <mliska@suse.cz>
3504
3505         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3506         Fix plural form.
3507
3508 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3509
3510         PR tree-optimization/90385
3511         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3512         arguments of the exit phis.
3513
3514         PR c++/90383
3515         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3516         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3517         id->do_not_fold.
3518         (copy_tree_body_r): Likewise.
3519         (copy_fn): Set id.do_not_fold to true.
3520
3521 2019-05-10  Martin Liska  <mliska@suse.cz>
3522
3523         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3524         Reapply changes from r269790.
3525
3526 2019-05-10  Martin Liska  <mliska@suse.cz>
3527
3528         PR middle-end/90340
3529         * doc/invoke.texi: New params.
3530         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3531         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3532         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3533         Use it.
3534         * tree-switch-conversion.h (struct jump_table_cluster):
3535         Likewise.
3536
3537 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3538
3539         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3540
3541 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3542
3543         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3544
3545 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3546
3547         PR rtl-optimization/88879
3548         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3549
3550 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3551
3552         PR target/90405
3553         * config/arm/arm.c (callee_saved_reg_p): Move before
3554         thumb_find_work_register.
3555         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3556         thumb_find_work_register.  Only call df_get_live_out once.
3557         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3558         (thumb_find_work_register): Use
3559         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3560         algorithms to locate a spare call clobbered reg.
3561
3562 2019-05-09  Martin Liska  <mliska@suse.cz>
3563
3564         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3565         and MAX_EXPR in GIMPLE FE format.
3566
3567 2019-05-09  Martin Liska  <mliska@suse.cz>
3568
3569         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3570         * gimple-pretty-print.c (dump_gimple_bb_header):
3571         Dump BB count.
3572         (pp_cfg_jump): Dump edge probability.
3573         * profile-count.c (profile_quality_as_string): Simplify
3574         with a static array.
3575         (parse_profile_quality): New function.
3576         (profile_count::dump): Simplify with a static array.
3577         (profile_count::from_gcov_type): Add new argument.
3578         * profile-count.h (parse_profile_quality): Likewise.
3579         * predict.h (set_hot_bb_threshold): New.
3580         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3581         New param.
3582         * predict.c (get_hot_bb_threshold): Set from the new param.
3583         (set_hot_bb_threshold): New.
3584
3585 2019-05-09  Richard Biener  <rguenther@suse.de>
3586
3587         PR tree-optimization/90395
3588         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3589         rewrite vector stores that throw internally.
3590
3591 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3592
3593         * cif-code.def (CHKP): Remove.
3594
3595         PR target/89221
3596         * configure.ac (--enable-frame-pointer): Disable by default for
3597         GNU systems.
3598         * configure: Regenerate.
3599
3600 2019-05-09  Alan Modra  <amodra@gmail.com>
3601
3602         PR target/89271
3603         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3604         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3605         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3606         cost for general <-> vsx when direct moves are available.
3607         Cost union classes at minimal cost for any reg in the class.
3608         Correct calculation for moves between vsx, float, and altivec.
3609         Don't return a low cost for moves between special regs.  Don't
3610         use hard coded register numbers.
3611         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3612         (rs6000_ira_change_pseudo_allocno_class): New function.
3613         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3614         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3615         alternatives.
3616         (movsi_internal1): Don't disparage vector alternatives.
3617         (mov<mode>_internal): Likewise, excepting alternative that
3618         will be split.
3619         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3620         we <- b alternative.
3621
3622 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3623
3624         PR c++/59813
3625         PR tree-optimization/89060
3626         * tree-ssa-live.h (live_vars_map): New typedef.
3627         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3628         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3629         (struct compute_live_vars_data): New type.
3630         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3631         live_vars_at_stmt, destroy_live_vars): New functions.
3632         * tree-tailcall.c: Include tree-ssa-live.h.
3633         (live_vars, live_vars_vec): New global variables.
3634         (find_tail_calls): Perform variable life analysis before punting.
3635         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3636         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3637         member.
3638         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3639         Perform variable life analysis to select variables that really need
3640         clobbers added.
3641         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3642         instead set id->eh_landing_pad_dest and assert it is the same.
3643         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3644
3645 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3646             Richard Earnshaw  <rearnsha@arm.com>
3647
3648         PR target/88167
3649         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3650         function.
3651         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3652         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3653         register if both the epilogue and prologue can use call-clobbered
3654         regs.
3655         (thumb1_unexpanded_epilogue): Use
3656         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3657         picking temporaries for restoring high regs to match that of the
3658         prologue where possible.
3659         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3660         the list of work registers.  Detect if the return address is still live
3661         at the end of the prologue and avoid using it for a work register if so.
3662         If the return address is not live, add LR to the list of pushable regs
3663         after the first pass.
3664
3665 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3666
3667         PR tree-optimization/90078
3668         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3669         (INFTY): Increase the value for infinite cost.
3670         (struct comp_cost): Promote type of members to int64_t.
3671         (infinite_cost): Don't set complexity in initialization.
3672         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3673         overflows to infinite_cost.
3674         (adjust_setup_cost): Promote type of parameter and cost computation
3675         to int64_t.
3676         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3677         int64_t.
3678         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3679         cost computation to int64_t.
3680         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3681         int64_t's format specifier in dump.
3682
3683 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3684
3685         PR tree-optimization/90240
3686         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3687         with respect to scaling factor pre-computed for each basic block.
3688         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3689         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3690         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3691         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3692         live range for array of loop's basic blocks.  Cleanup aux field of
3693         loop's basic blocks.
3694
3695 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3696
3697         PR tree-optimization/90356
3698         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3699
3700 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3701
3702         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3703         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3704         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3705         (ix86_handle_option): Handle -mavx512bf16.
3706         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3707         to extra_headers.
3708         * config/i386/avx512bf16vlintrin.h: New.
3709         * config/i386/avx512bf16intrin.h: New.
3710         * config/i386/cpuid.h (bit_AVX512BF16): New.
3711         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3712         * config/i386/i386-builtin-types.def: Add new types.
3713         * config/i386/i386-builtin.def: Add new builtins.
3714         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3715         __AVX512BF16__.
3716         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3717         (ix86_option_override_internal): Handle BF16.
3718         (ix86_valid_target_attribute_inner_p): Ditto.
3719         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3720         * config/i386/i386-builtin.c (enum processor_features): Add
3721         F_AVX512BF16.
3722         (static const _isa_names_table isa_names_table): Ditto.
3723         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3724         (PTA_AVX512BF16): Ditto.
3725         * config/i386/i386.opt: Add -mavx512bf16.
3726         * config/i386/immintrin.h: Include avx512bf16intrin.h
3727         and avx512bf16vlintrin.h.
3728         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3729         avx512f_cvtneps2bf16_<mode><mask_name>,
3730         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3731         * config/i386/subst.md (mask_half): Add new subst.
3732         * doc/invoke.texi: Document -mavx512bf16.
3733
3734 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3735
3736         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3737         Delete declaration.
3738         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3739         (rs6000_debug_legitimize_reload_address): Delete.
3740         (rs6000_legitimize_reload_address_ptr): Delete.
3741         (rs6000_option_override_internal): Adjust.
3742         (mem_operand_gpr): Adjust comment.
3743         (legitimate_lo_sum_address_p): Ditto.
3744         (rs6000_legitimize_reload_address): Delete.
3745         (rs6000_debug_legitimize_reload_address): Delete.
3746         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3747
3748 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3749
3750         PR target/89765
3751         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3752         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3753         to compute vector element selector for both constant and variable
3754         operands.
3755
3756 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3757
3758         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3759         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3760         ashrdi3_cvt using SWI48 mode iterator.
3761
3762 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3763
3764         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3765         (aarch64_<su>abd<mode>_3): Likewise.
3766         (*aarch64_<su>abd<mode>_3): New define_insn.
3767         (<sur>sad<vsi2qi>): New define_expand.
3768         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3769         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3770         (build_vect_cond_expr): Likewise.
3771
3772 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3773
3774         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3775         clobbers outside of accessible_reg_set.
3776         * config/i386/i386.c (ix86_conditional_register_usage):
3777         Disable register sets by clearing corresponding bits in
3778         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3779         call_used_regs and don't clear corresponding reg_names array members.
3780
3781 2019-05-07  Richard Biener  <rguenther@suse.de>
3782
3783         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3784         not specified still compute a comp_vectype for invariant
3785         compares.
3786
3787 2019-05-07  Richard Biener  <rguenther@suse.de>
3788
3789         PR tree-optimization/90316
3790         * tree-ssa-pre.c (translate_vuse_through_block): When
3791         same_valid is NULL do not bother to search for a virtual
3792         PHI continuation.
3793         (phi_translate_1): When operands changed we cannot keep
3794         the same value-number so do not bother to ask whether
3795         that's possible from translate_vuse_through_block.
3796
3797 2019-05-07  Martin Liska  <mliska@suse.cz>
3798
3799         * bitmap.c (bitmap_register): Come up with
3800         alloc_descriptor_max_uid and assign it for
3801         a new bitmap.
3802         (register_overhead): Use get_descriptor as
3803         a descriptor.
3804         (release_overhead): New.
3805         (bitmap_elem_to_freelist): Call it.
3806         (bitmap_elt_clear_from): Likewise.
3807         (bitmap_obstack_free): Likewise.
3808         (bitmap_move): Sensitively release memory.
3809         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3810         (bitmap_initialize): Initialize alloc_descriptor to zero.
3811         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3812
3813 2019-05-07  Richard Biener  <rguenther@suse.de>
3814
3815         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3816         we build a SLP node.  Remove max_size and limiting.
3817         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3818
3819 2019-05-07  Richard Biener  <rguenther@suse.de>
3820
3821         PR tree-optimization/90316
3822         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3823         limit by reference.
3824         (walk_non_aliased_vuses): Take walking limit argument.
3825         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3826         walking if it is reached instead of just counting.
3827         (get_continuation_for_phi): Likewise.
3828         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3829         limiting to the callback.
3830         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3831         (vn_reference_lookup_3): Likewise.
3832         (vn_reference_lookup_pieces): Likewise.
3833         (vn_reference_lookup): Likewise.
3834         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
3835         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
3836         (avail_exprs_stack::lookup_avail_expr): Likewise.
3837
3838 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
3839
3840         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
3841         for comparaible types in the second direction even if first one
3842         hits incomparable type.
3843
3844 2019-05-07  Richard Biener  <rguenther@suse.de>
3845
3846         PR lto/90369
3847         * lto-wrapper.c (debug_objcopy): Use the original filename
3848         including archive offset for the filename used for -save-temps.
3849
3850 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
3851
3852         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
3853         detection.
3854
3855 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
3856             Hongtao Liu  <hongtao.liu@intel.com>
3857
3858         PR target/89750
3859         PR target/86444
3860         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
3861         Modified, original implementation isn't correct.
3862
3863 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3864
3865         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
3866         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
3867         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
3868         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
3869         (FRAME_POINTER_REGNUM): Change numbering.
3870         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
3871         (alt_reg_names): Adjust.
3872         (rs6000_conditional_register_usage): Don't mark hard register 64 as
3873         fixed.
3874         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3875         (DWARF_FRAME_REGISTERS): Delete.
3876         (DWARF2_FRAME_REG_OUT): Fix whitespace.
3877         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3878         Adjust.
3879         (REG_ALLOC_ORDER): Adjust.
3880         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
3881         (REG_CLASS_CONTENTS): Adjust.
3882         (RETURN_ADDR_RTX): Change comment.
3883         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
3884         instead of 67.
3885         (REGISTER_NAMES): Adjust.
3886         (ADDITIONAL_REGISTER_NAMES): Adjust.
3887         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3888
3889 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3890
3891         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
3892         Delete.
3893         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
3894         (DWARF_FRAME_REGISTERS): Adjust.
3895         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3896         Adjust.
3897         (REG_ALLOC_ORDER): Adjust.
3898         (enum reg_class): Delete SPR_REGS.
3899         (REG_CLASS_NAMES): Delete SPR_REGS.
3900         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
3901         (REGISTER_NAMES): Adjust.
3902         (ADDITIONAL_REGISTER_NAMES): Adjust.
3903         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
3904         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
3905         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
3906         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
3907         (htm_spr_regno): Delete.
3908         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
3909         argument.
3910         (rs6000_dbx_register_number): Adjust.
3911
3912 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3913
3914         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
3915
3916 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
3917
3918         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
3919         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
3920
3921 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
3922
3923         PR tree-optimization/88709
3924         PR tree-optimization/90271
3925         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
3926         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
3927         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
3928         variable.
3929         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
3930         of the store merging group is larger than
3931         PARAM_STORE_MERGING_MAX_SIZE parameter.
3932         (split_group): Add bzero_first argument.  If set, always emit first
3933         the first store which must be = {} of the whole area and then for the
3934         rest of the stores consider all zero bytes as paddings.
3935         (imm_store_chain_info::output_merged_store): Check if first store
3936         is = {} of the whole area and if yes, determine which setting of
3937         bzero_first for split_group gives smaller number of stores.  Adjust
3938         split_group callers.
3939         (lhs_valid_for_store_merging_p): Allow decls.
3940         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
3941         no elts.
3942         (pass_store_merging::process_store): Likewise.
3943
3944 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3945
3946         PR target/89424
3947         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
3948         handling of V1TImode.
3949
3950 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
3951
3952         PR target/89221
3953         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
3954         and enable_frame_pointer ...
3955         * configure.ac: ... here.  Update help strings for
3956         --enable-frame-pointer.
3957         * configure: Regenerate.
3958         * config/i386/i386-options.c (ix86_option_override_internal): Remove
3959         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
3960         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
3961         (USE_X86_64_FRAME_POINTER): Ditto.
3962
3963 2019-05-06  Martin Liska  <mliska@suse.cz>
3964
3965         * config.gcc: Append to target_gtfiles and fix indentation.
3966
3967 2019-05-06  Richard Biener  <rguenther@suse.de>
3968
3969         PR tree-optimization/90358
3970         * tree-vect-stmts.c (get_group_load_store_type): Properly
3971         detect unused upper half of load.
3972         (vectorizable_load): Likewise.
3973
3974 2019-05-06  Richard Biener  <rguenther@suse.de>
3975
3976         PR tree-optimization/88828
3977         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
3978         (simplify_vector_constructor): ...here.  Handle constants in
3979         the constructor.
3980
3981 2019-05-06  Richard Biener  <rguenther@suse.de>
3982
3983         PR tree-optimization/90328
3984         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
3985         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
3986         is valid in the loop nest before using it.
3987         (initialize_data_dependence_relation): Adjust.
3988         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
3989         loop as loop-nest to dr_may_alias_p.
3990
3991 2019-05-06  Richard Biener  <rguenther@suse.de>
3992
3993         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
3994
3995 2019-05-06  Richard Biener  <rguenther@suse.de>
3996
3997         PR tree-optimization/90316
3998         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
3999         compute target on demand.
4000         (get_continuation_for_phi): Remove code walking stmts to
4001         get to a target virtual operand which could end up being
4002         quadratic.
4003
4004 2019-05-06  Martin Liska  <mliska@suse.cz>
4005
4006         PR sanitizer/90312
4007         * config/i386/i386-options.c (ix86_option_override_internal): Error only
4008         when -mabi is selected to a non-default version.
4009
4010 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
4011             Martin Liska  <mliska@suse.cz>
4012
4013         * Makefile.in: Add lto-dump.texi.
4014         * cgraph.h: Add new functions get_visibility_string and
4015         get_symtab_type_string.
4016         * doc/gcc.texi: Include lto-dump section.
4017         * doc/lto-dump.texi: New file.
4018         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
4019         (parse_dump_option): Factor out this function.
4020         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
4021         (parse_dump_option): Export the function.
4022         * symtab.c (symtab_node::get_visibility_string): New function.
4023         (symtab_node::get_symtab_type_string): Likewise.
4024
4025 2019-05-06  Martin Liska  <mliska@suse.cz>
4026
4027         * config/i386/i386-builtins.c: New file.
4028         * config/i386/i386-builtins.h: New file.
4029         * config/i386/i386-expand.c: New file.
4030         * config/i386/i386-expand.h: New file.
4031         * config/i386/i386-features.c: New file.
4032         * config/i386/i386-features.h: New file.
4033         * config/i386/i386-options.c: New file.
4034         * config/i386/i386-options.h: New file.
4035         * config.gcc: Add new files into extra_objs and
4036         target_gtfiles.
4037         * config/i386/i386.c: Split content of the file
4038         into newly introduced files.
4039         * config/i386/i386.h: Declare common variables
4040         and macros.
4041         * config/i386/t-i386: Define dependencies for new files.
4042
4043 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4044
4045         PR target/89400
4046         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4047         Restrict 'all' variant to 32-bit configurations.
4048         (unaligned_loadhiu): Likewise.
4049         (unaligned_storehi): Likewise.
4050         (unaligned_storesi): Likewise.
4051         (unaligned_loadhis): Disable when compiling for thumb1.
4052
4053 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4054
4055         PR tree-optimization/90269
4056         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4057         Ignore clobbers.
4058
4059 2019-05-03  Martin Liska  <mliska@suse.cz>
4060
4061         * hash-map.h: Add is_empty function.
4062         * hash-set.h: Likewise.
4063         * hash-table.h: Likewise.
4064         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4065         elements () == 0 (and similar usages).
4066         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4067         * gimplify.c (gimplify_bind_expr): Likewise.
4068         (gimplify_switch_expr): Likewise.
4069         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4070         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4071         * postreload-gcse.c (dump_hash_table): Likewise.
4072         (gcse_after_reload_main): Likewise.
4073         * predict.c (combine_predictions_for_bb): Likewise.
4074         * tree-parloops.c (reduction_phi): Likewise.
4075         (separate_decls_in_region): Likewise.
4076         (transform_to_exit_first_loop): Likewise.
4077         (gen_parallel_loop): Likewise.
4078         (gather_scalar_reductions): Likewise.
4079         (try_create_reduction_list): Likewise.
4080         * var-tracking.c (dump_vars): Likewise.
4081         (emit_notes_for_changes): Likewise.
4082         (vt_emit_notes): Likewise.
4083
4084 2019-05-03  Richard Biener  <rguenther@suse.de>
4085
4086         PR tree-optimization/90316
4087         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4088         before running VN.
4089
4090 2019-05-03  Richard Biener  <rguenther@suse.de>
4091
4092         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4093         peeling for gaps by loading only lower halves of vectors
4094         if possible.
4095         (vectorizable_load): Likewise.
4096
4097 2019-05-03  Richard Biener  <rguenther@suse.de>
4098
4099         PR middle-end/89518
4100         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4101
4102 2019-05-03  Richard Biener  <rguenther@suse.de>
4103
4104         PR middle-end/87314
4105         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4106         Handle STRING_CST vs DECL or STRING_CST.
4107
4108 2019-05-03  Richard Biener  <rguenther@suse.de>
4109
4110         PR tree-optimization/88963
4111         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4112         vector loads feeding only BIT_FIELD_REFs to component
4113         loads.  Rewrite stores fed by CONSTRUCTORs to component
4114         stores.
4115
4116 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4117
4118         * opts.h (finish_options): Remove lang_mask argument.
4119         (print_help, help_option_argument): Declare.
4120         * opts.c (print_help): Remove forward declaration, no longer static.
4121         (finish_options): Remove lang_mask argument, don't call print_help
4122         here.
4123         * opts-global.c (decode_options): Adjust finish_option caller, call
4124         print_help here.
4125
4126         PR tree-optimization/90303
4127         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4128         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4129
4130 2019-05-03  Richard Biener  <rguenther@suse.de>
4131
4132         PR tree-optimization/89698
4133         * gimple-fold.c (canonicalize_constructor_val): Early out
4134         for constants, handle unfolded INTEGER_CSTs as they appear in
4135         C++ virtual table ctors.
4136
4137 2019-05-03  Richard Biener  <rguenther@suse.de>
4138
4139         * passes.c (execute_function_todo): Remove dead code.
4140
4141 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4142
4143         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4144         the internal register number, for any "real" register.
4145
4146 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4147
4148         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4149         correct numbers for TFHAR, TFIAR, TEXASR.
4150
4151 2019-05-02  Richard Biener  <rguenther@suse.de>
4152
4153         PR tree-optimization/89653
4154         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4155         update-address-taken before the pass.
4156         * passes.def (pass_tree_loop_init): Put comment before it.
4157
4158 2019-05-02  Richard Biener  <rguenther@suse.de>
4159
4160         PR tree-optimization/89509
4161         * tree-ssa-structalias.c (compute_dependence_clique): Look
4162         at the first subvar when determining whether it is restrict.
4163
4164 2019-05-02  Richard Biener  <rguenther@suse.de>
4165
4166         PR tree-optimization/90273
4167         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4168         useless debug stmts.
4169
4170 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4171
4172         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4173         ACLE branch.
4174         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4175         SVE ACLE branch.
4176         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4177         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4178         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4179         (vectorizable_reduction): Use the functions above to vectorize in a
4180         fully masked loop codes that don't have a conditional internal
4181         function.
4182
4183 2019-05-02  Martin Liska  <mliska@suse.cz>
4184
4185         * cgraphclones.c: Call valid_attribute_p with 1 for
4186         target_clone.
4187         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4188         it's for target attribute.
4189         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4190         Add new boolean argument.
4191         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4192         Likewise.
4193         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4194         to ix86_valid_target_attribute_inner_p.
4195         (ix86_valid_target_attribute_p): Pass flags argument to
4196         ix86_valid_target_attribute_inner_p.
4197         (get_builtin_code_for_version): Use 0 as it's target attribute.
4198
4199 2019-05-02  Martin Liska  <mliska@suse.cz>
4200
4201         * gcc.c (process_command): Add dummy file only
4202         if n_infiles == 0.
4203         * opts-global.c (decode_options): Pass lang_mask.
4204         * opts.c (print_help): New function.
4205         (finish_options): Print --help if help_option_argument
4206         is set.
4207         (common_handle_option): Factor out content of OPT__help_
4208         into print_help.
4209         * opts.h (finish_options): Add new argument.
4210
4211 2019-05-02  Martin Liska  <mliska@suse.cz>
4212
4213         PR target/88809
4214         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4215         With -minline-all-stringops use inline expansion using 4B loop.
4216         * doc/invoke.texi: Document the change of
4217         -minline-all-stringops.
4218
4219 2019-05-01  Jeff Law  <law@redhat.com>
4220
4221         PR tree-optimization/88797
4222         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4223         PHI feeds a conditional on the RHS of an assignment.
4224
4225 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4226             Jim Wilson  <jimw@sifive.com>
4227
4228         * config/riscv/constraints.md (L): New.
4229         * config/riscv/predicates.md (lui_operand): New.
4230         (sfb_alu_operand): New.
4231         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4232         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4233         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4234         * config/riscv/risc.md (type): Add sfb_alu.
4235         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4236         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4237         (branch_zero<mode>): Delete.
4238         (mov<mode>cc): New.
4239         (mov<GPR:mode><X:mode>cc): Likewise.
4240         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4241
4242 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4243
4244         * tree.h (MARK_TS_EXP): New.
4245
4246 2019-04-30  Martin Liska  <mliska@suse.cz>
4247
4248         * opts.c (enable_warning_as_error): Provide hints
4249         for unknown options.
4250
4251 2019-04-30  Martin Liska  <mliska@suse.cz>
4252
4253         PR debug/90288
4254         * doc/invoke.texi: Add missing dash for gas-locview-support
4255         and gno-as-locview-support.
4256
4257 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4258
4259         PR target/89093
4260         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4261         whitespace at the start of target attribute string.
4262
4263 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4264
4265         PR target/86538
4266         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4267         Define __ARM_FEATURE_ATOMICS.
4268
4269 2019-04-30  Martin Liska  <mliska@suse.cz>
4270
4271         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4272         into built_in_function enum. Remove code for endp == 2 and
4273         use BUILT_IN_* constants.
4274         (gimple_fold_builtin): Call the function with fcode.
4275
4276 2019-04-30  Martin Liska  <mliska@suse.cz>
4277
4278         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4279         DECL_FUNCTION_CODE into ix86_builtins enum before
4280         the switch statement.
4281
4282 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4283
4284         PR tree-optimization/89475
4285         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4286         calls.
4287
4288 2019-04-30  Martin Liska  <mliska@suse.cz>
4289
4290         PR translation/90274
4291         * opts.c (print_filtered_help): Wrap string in _(...).
4292
4293 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4294
4295         PR tree-optimization/90240
4296         Revert:
4297         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4298
4299         PR tree-optimization/90078
4300         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4301         checks for infinite_cost overflow.
4302
4303 2019-04-29  Jeff Law  <law@redhat.com>
4304
4305         * passes.def: Move -Wrestrict pass after copy propagation.
4306
4307 2019-04-29  Maya Rashish  <coypu@sdf.org>
4308
4309         * config.gcc (default_gnu_indirect_function): Default to yes
4310         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4311         sparc*-*-netbsd*, x86_64-*-netbsd*.
4312
4313 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4314
4315         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4316         where cond2 is NE_EXPR.
4317         (is_value_included_in): Update comment.
4318
4319 2019-04-29  Richard Biener  <rguenther@suse.de>
4320
4321         PR tree-optimization/90278
4322         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4323         EH on comparison simplification.
4324
4325 2019-04-29  Jason Merrill  <jason@redhat.com>
4326
4327         PR c++/82081 - tail call optimization breaks noexcept
4328         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4329         nothrow function to a might-throw function into a tail call.
4330
4331 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4332
4333         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4334         (DDR_INNER_LOOP): Likewise.
4335         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4336         (initialize_data_dependence_relation): Likewise.
4337         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4338
4339 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4340
4341         PR rtl-optimization/90257
4342         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4343         return value.
4344
4345         Revert the revert:
4346         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4347
4348         PR target/90178
4349         Revert:
4350         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4351
4352         Revert the revert:
4353         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4354
4355         Revert:
4356         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4357
4358         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4359
4360 2019-04-29  Richard Biener  <rguenther@suse.de>
4361
4362         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4363         rhs issue a reset.
4364
4365 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4366
4367         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4368         varasm.h, and netbsd-protos.h.
4369
4370 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4371
4372         PR target/89261
4373         * config/i386/i386-protos.h (ix86_data_alignment): Change
4374         the second argument type to unsigned int.
4375         * config/i386/i386.c (ix86_data_alignment): Change "align"
4376         argument type to unsigned int.
4377
4378 2019-04-27  Martin Liska  <mliska@suse.cz>
4379
4380         PR middle-end/90258
4381         * opt-suggestions.c (option_proposer::build_option_suggestions):
4382         When get_valid_option_values returns empty values, add the
4383         misspelling candidate.
4384
4385 2019-04-26  Jim Wilson  <jimw@sifive.com>
4386
4387         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4388         parameter.
4389         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4390         Pass orig_mode to riscv_build_integer.
4391         (riscv_split_integer): Pass mode to riscv_move_integer.
4392         (riscv_legitimize_const_move): Likewise.
4393         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4394         promoted_mode.  Replace force_reg call with code to load constant into
4395         promoted reg and then subreg it for the store.
4396         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4397         riscv_move_integer.
4398
4399 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4400
4401         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4402         corrupt codes.
4403
4404 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4405
4406         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4407         commentary about the encoding of precision.
4408
4409 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4410
4411         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4412         * config/i386/t-freebsd64: New file.
4413         * config.gcc: Add the t-freebsd64 for multilib support.
4414
4415 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4416
4417         * doc/extend.texi (vector_size): Add missing comma after @xref.
4418
4419 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4420
4421         * BASE-VER: Set to 10.0.0.
4422
4423 2019-04-25  Richard Biener  <rguenther@suse.de>
4424
4425         PR middle-end/89765
4426         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4427         VIEW_CONVERT_EXPR into one operating on an rvalue.
4428
4429 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4430
4431         PR target/89929
4432         * config/i386/i386.c (feature_priority): Moved to file scope.
4433         (processor_features): Likewise.
4434         (processor_model): Likewise.
4435         (_arch_names_table): Likewise.
4436         (arch_names_table): Likewise.
4437         (_feature_list): Removed.
4438         (feature_list): Likewise.
4439         (_isa_names_table): Moved to file scope.  Add priority.
4440         (isa_names_table): Likewise.
4441         (get_builtin_code_for_version): Replace feature_list with
4442         isa_names_table.  Update error message for P_ZERO priority.
4443
4444 2019-04-25  Richard Biener  <rguenther@suse.de>
4445
4446         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4447         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4448
4449 2019-04-24  Jeff Law  <law@redhat.com>
4450
4451         PR tree-optimization/90037
4452         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4453         * passes.def: Replace all instance of phi-only cprop with the
4454         lattice propagator.  Move propagation pass from after erroneous
4455         path isolation to before erroneous path isolation.
4456         * tree-ssa-phionlycprop.c: Remove.
4457
4458 2019-04-24  Richard Biener  <rguenther@suse.de>
4459
4460         PR middle-end/90213
4461         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4462         by size and BITS_PER_UNIT on poly-wide-ints.
4463
4464 2019-04-25  Richard Biener  <rguenther@suse.de>
4465
4466         PR middle-end/90194
4467         * match.pd: Add pattern to simplify view-conversion of an
4468         empty constructor.
4469
4470 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4471
4472         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4473         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4474         for Go on 32 bit AIX.
4475         * config/rs6000/aix72.h: Likewise.
4476
4477 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4478
4479         PR target/90193
4480         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4481         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4482
4483 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4484
4485         PR target/89952
4486         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4487         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4488         for restored hard frame pointer.
4489         (s390_sched_dependencies_evaluation): Implement new target hook.
4490         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4491
4492 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4493
4494         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4495         * config/arc/arc.c (arc_init): Cleanup warning message.
4496         (arc_override_options): Likewise.
4497
4498 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4499
4500         PR target/90187
4501         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4502         a register if both if_true and if_false are MEMs.
4503
4504         PR tree-optimization/90208
4505         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4506         after labels of new_bb, not before them.
4507
4508         PR tree-optimization/90211
4509         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4510         which are not SSA_NAMEs.
4511
4512 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4513
4514         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4515         AArch64.
4516         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4517
4518 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4519
4520         PR rtl-optimization/87979
4521         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4522         not equal zero.
4523
4524 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4525
4526         PR rtl-optimization/84032
4527         * modulo-sched.c (ps_insn_find_column): Change condition so that
4528         branch will always be the last insn in a row inside partial
4529         schedule.
4530
4531 2019-04-23  Richard Biener  <rguenther@suse.de>
4532
4533         PR debug/90131
4534         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4535         dest_single_pred_p argument.
4536         (remove_forwarder_block): Adjust.
4537         (remove_forwarder_block_with_phi): Likewise.
4538
4539 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4540             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4541             Jakub Jelinek  <jakub@redhat.com>
4542
4543         PR target/89093
4544         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4545         if used with general-regs-only.
4546         (arm_conditional_register_usage): Don't add non-general regs if
4547         general-regs-only.
4548         (arm_valid_target_attribute_rec): Handle general-regs-only.
4549         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4550         general-regs-only.
4551         (TARGET_HARD_FLOAT_SUB): Define.
4552         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4553         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4554         (TARGET_REALLY_IWMMXT2): Likewise.
4555         * config/arm/arm.opt: Add -mgeneral-regs-only.
4556         * doc/extend.texi: Document ARM general-regs-only target.
4557         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4558
4559 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4560
4561         PR tree-optimization/90078
4562         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4563         checks for infinite_cost overflow.
4564
4565 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4566
4567         PR tree-optimization/90021
4568         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4569         and check univariate against it.
4570         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4571         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4572
4573 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4574
4575         PR target/90178
4576         Revert:
4577         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4578
4579         Revert the revert:
4580         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4581
4582         Revert:
4583         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4584
4585         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4586
4587 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4588
4589         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4590         names using operand format, rather than hard-wired.
4591         (speculation_barrier): Likewise.
4592
4593 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4594
4595         PR tree-optimization/88055
4596         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4597         (gen_one_condition): Use it if !HONOR_NANS.
4598
4599 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4600
4601         PR middle-end/90139
4602         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4603         assign_temp instead of gen_reg_rtx.
4604
4605 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4606
4607         PR translation/90118
4608         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4609         Add missing space before %<.
4610
4611 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4612
4613         PR rtl-optimization/87871
4614         * ira-lives.c (make_object_dead): Don't add conflicts to
4615         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4616
4617 2019-04-18  Martin Sebor  <msebor@redhat.com>
4618
4619         PR middle-end/89797
4620         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4621         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4622         assuming type size fits in SHWI.
4623
4624 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4625
4626         PR ipa/85051
4627         * ipa-inline.c (flatten_function): New parameter UPDATE.
4628         (ipa_inline, early_inliner): Use it.
4629
4630 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4631
4632         * fold-const.c (int_const_binop): Return early on failure.
4633
4634 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4635
4636         PR middle-end/85164
4637         * combine.c (force_int_to_mode): Cast the argument rather than
4638         the result of known_alignment.
4639         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4640
4641 2019-04-18  Richard Biener  <rguenther@suse.de>
4642
4643         PR debug/90131
4644         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4645         out from ...
4646         (remove_forwarder_block): ... here.
4647         (remove_forwarder_block_with_phi): Also move debug stmts here.
4648
4649 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4650
4651         PR translation/79183
4652         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4653         inform where appropriate.
4654
4655 2019-04-18  Richard Biener  <rguenther@suse.de>
4656
4657         * tree.c (get_qualified_type): Put found type variants at the
4658         head of the variant list.
4659
4660 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4661
4662         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4663
4664 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4665
4666         PR target/90125
4667         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4668         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4669         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4670         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4671         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4672
4673 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4674
4675         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4676         even for allocno's with no conflicts.
4677         (print_conflicts): Print an extra newline.
4678
4679 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4680
4681         * auto-inc-dec.c (attempt_change): Set the alignment of the
4682         temporary memory to that of the original.
4683
4684 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4685
4686         * targhooks.c (default_print_patchable_function_entry): Emit
4687         __patchable_function_entries section with writable flags to allow
4688         relocation resolution.
4689
4690 2019-04-17  Jonny Grant  <jg@jguk.org>
4691
4692         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4693
4694 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4695
4696         PR middle-end/90095
4697         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4698         on lowpart SUBREGs.
4699
4700 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4701
4702         * config/arc/arc.c (arc_init): Format diagnostic string.
4703         (arc_override_options): Likewise.
4704         (check_if_valid_regno_const): Likewise.
4705         (arc_reorg): Likewise.
4706
4707 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4708
4709         PR target/17108
4710         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4711         name.
4712         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4713         name.
4714         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4715         (*movdi_update1): Use Pmode.
4716         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4717         (movdi_<mode>_update_stack): Rename to ...
4718         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4719         use Pmode.
4720         (*movsi_update1): Use Pmode.
4721         (*movsi_update2): Use Pmode.
4722         (movsi_update): Rename to ...
4723         (movsi_<mode>_update): ... this.  Use Pmode.
4724         (movsi_update_stack): Fix condition.
4725         (*movhi_update1): Use Pmode.  Fix argument to
4726         avoiding_indexed_address_p.
4727         (*movhi_update2): Ditto.
4728         (*movhi_update3): Ditto.
4729         (*movhi_update4): Ditto.
4730         (*movqi_update1): Ditto.
4731         (*movqi_update2): Ditto.
4732         (*movqi_update3): Ditto.
4733         (*movsf_update1, *movdf_update1): Merge, rename to...
4734         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4735         avoiding_indexed_address_p.  Add "size" attribute.
4736         (*movsf_update2, *movdf_update2): Merge, rename to...
4737         (*mov<mode>_update2): This.  Ditto.
4738         (*movsf_update3): Use Pmode.  Fix argument to
4739         avoiding_indexed_address_p.
4740         (*movsf_update4): Ditto.
4741         (allocate_stack): Simplify condition.  Adjust pattern names.
4742
4743 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4744
4745         PR target/89093
4746         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4747         whitespace at the start of target attribute string.
4748
4749 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4750
4751         PR target/84369
4752         * config/rs6000/power9.md: Add store forwarding bypass.
4753
4754 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4755
4756         PR debug/89528
4757         * valtrack.c (dead_debug_insert_temp): Reset debug references
4758         to the return value of a call being removed.
4759
4760 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4761
4762         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4763         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4764         implement target hook.
4765         (arc_memory_move_cost): New function.
4766         (TARGET_REGISTER_MOVE_COST): Define.
4767         (TARGET_MEMORY_MOVE_COST): Likewise.
4768         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4769         (MEMORY_MOVE_COST): Likewise.
4770
4771 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4772
4773         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4774         (sibcall_value_insn): Likewise.
4775         * config/arc/constraints.md (Rs5): Remove.
4776
4777 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4778
4779         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4780         for last two fake registers.
4781         (arc_conditional_register_usage): Make sure fake frame and arg
4782         pointer regs are in general regs class.
4783         (FRAME_POINTER_MASK): Remove.
4784         (RETURN_ADDR_MASK): Remove.
4785         (arc_must_save_register): Use hard frame regnum.
4786         (frame_restore_reg): Use hard_frame_pointer_rtx.
4787         (arc_save_callee_saves): Likewise.
4788         (arc_restore_callee_saves): Likewise.
4789         (arc_save_callee_enter): Likewise.
4790         (arc_restore_callee_leave): Likewise.
4791         (arc_save_callee_milli): Likewise.
4792         (arc_eh_return_address_location): Likewise.
4793         (arc_check_multi): Use hard frame regnum.
4794         (arc_can_eliminate): Likewise.
4795         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4796         for register allocator.
4797         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4798         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4799         (FRAME_POINTER_REGNUM): Change it to a fake register.
4800         (HARD_FRAME_POINTER_REGNUM): Defined.
4801         (ARG_POINTER_REGNUM): Change it to a new fake register.
4802         (ELIMINABLE_REGS): Update.
4803         (REGISTER_NAMES): Update names.
4804         * config/arc/arc.md (LP_START): Remove.
4805         (LP_END): Likewise.
4806         (shift_si3_loop): Update pattern.
4807
4808 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4809
4810         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4811         to avoid delay slot scheduling.
4812         (arc_must_save_register): Don't save SP.
4813         * config/arc/arc.md (stack_tie): Remove.
4814         (UNSPEC_ARC_STKTIE): Likewise.
4815
4816 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4817             Shiva Chen  <shiva0217@gmail.com>
4818
4819         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4820         code gen with large shift amount.
4821
4822 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4823
4824         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4825         subreg.
4826
4827 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4828
4829         PR target/90096
4830         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4831         print -m64/-mx32/-m32 if it is true.
4832         (ix86_debug_options, ix86_function_specific_print): Pass true as
4833         ADD_ABI_P to ix86_target_string.
4834         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
4835         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
4836         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
4837
4838         PR rtl-optimization/90082
4839         * dce.c (can_delete_call): New function.
4840         (deletable_insn_p, mark_insn): Use it.
4841
4842         PR tree-optimization/90090
4843         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
4844         throw internally.
4845         (is_division_by_square): Likewise.  Formatting fix.
4846
4847 2019-04-16  Richard Biener  <rguenther@suse.de>
4848
4849         PR tree-optimization/56049
4850         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
4851         equality check if alias-set zero will prevail.
4852
4853 2019-04-15  Jeff Law  <law@redhat.com>
4854
4855         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
4856         size and alignment as unsigned.
4857
4858 2019-04-15  Richard Biener  <rguenther@suse.de>
4859
4860         PR debug/90074
4861         * tree-loop-distribution.c (destroy_loop): Preserve correct
4862         debug info.
4863
4864 2019-04-15  Richard Biener  <rguenther@suse.de>
4865
4866         PR tree-optimization/90071
4867         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
4868         abnormal operands from def stmts.
4869
4870 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
4871
4872         PR rtl-optimization/89794
4873         * combine.c (count_auto_inc): New function.
4874         (try_combine): Count how many auto_inc expressions there were in the
4875         original instructions.  Ensure we have the same number in the new
4876         instructions.  Remove the code that tried to ensure auto_inc side
4877         effects on i1 and i0 are not lost.
4878
4879 2019-04-15  Richard Biener  <rguenther@suse.de>
4880
4881         PR ipa/88936
4882         * tree.h (auto_var_p): Declare.
4883         * tree.c (auto_var_p): New function, split out from ...
4884         (auto_var_in_fn_p): ... here.
4885         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
4886         member.
4887         (new_var_info): Initialize it.
4888         (set_uids_in_ptset): Also set the shadow variable uid if required.
4889         (ipa_pta_execute): Postprocess points-to solutions assigning
4890         shadow variable uids for locals that may reach their containing
4891         function recursively.
4892         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
4893         assert but instead check whether the points-to solution is
4894         a singleton.
4895
4896 2019-04-15  Martin Jambor  <mjambor@suse.cz>
4897
4898         PR ipa/pr89693
4899         * cgraph.c (clone_of_p): Loop over clone chain for each step in
4900         the thunk chain.
4901
4902 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4903
4904         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
4905
4906 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
4907             Kito Cheng  <kito.cheng@gmail.com>
4908             Shiva Chen  <shiva0217@gmail.com>
4909
4910         * config/nds32/nds32-md-auxiliary.c
4911         (nds32_legitimize_pic_address): Use new PIC pattern.
4912         (nds32_legitimize_tls_address): Use new TLS pattern.
4913         (nds32_output_symrel): New.
4914         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
4915         (nds32_alloc_relax_group_id): Ditto.
4916         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
4917         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
4918         relax_group_id.
4919         (nds32_group_tls_insn): Ditto.
4920         (nds32_group_float_insns): Ditto.
4921         * config/nds32/nds32.md (tls_le): New.
4922         (sym_got): Ditto.
4923
4924 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
4925
4926         * configure: Add nds32 target for dwarf2 debug_line checking.
4927         * configure.ac: Regenerated.
4928
4929 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
4930
4931         PR lto/89358
4932         * ipa-devirt.c (skip_in_fields_list_p): New.
4933         (odr_types_equivalent_p): Use it.
4934
4935 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
4936
4937         PR target/89093
4938         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
4939         instead of strncmp when checking for thumb and arm.  Formatting fixes.
4940
4941 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
4942
4943         * doc/install.texi: Document --with-target-system-zlib.
4944
4945 2019-04-12  Martin Sebor  <msebor@redhat.com>
4946
4947         PR c/88383
4948         PR c/89288
4949         PR c/89798
4950         PR c/89797
4951         * targhooks.c (default_vector_alignment): Avoid assuming
4952         argument fits in SHWI.
4953         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
4954         a shift expression.
4955         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
4956
4957 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4958
4959         PR rtl-optimization/89965
4960         * dce.c: Include rtl-iter.h.
4961         (struct check_argument_load_data): New type.
4962         (check_argument_load): New function.
4963         (find_call_stack_args): Check for loads from stack slots still tracked
4964         in sp_bytes and punt if any is found.
4965
4966         * config/mips/loongson-mmiintrin.h: Fix up #error message.
4967
4968 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
4969
4970         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
4971         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
4972
4973 2019-04-12  Martin Liska  <mliska@suse.cz>
4974
4975         PR middle-end/89970
4976         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
4977         in error message.
4978         (separate_attrs): Handle multiple 'default's.
4979         (expand_target_clones): Rework error handling code.
4980
4981 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4982
4983         PR target/87532
4984         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
4985         mode of vector rather than mode of destination for move instruction.
4986         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
4987         Use QI inner mode with V16QI vector mode.
4988
4989 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
4990
4991         PR target/52726
4992         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
4993         "invalid %%t operand" in output_operand_lossage message.
4994
4995 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
4996
4997         * config/s390/predicates.md (permute_pattern_operand): New
4998         predicate.
4999         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
5000         operand for the permute pattern.
5001         ("*vec_perm<mode>"): New insn definition.
5002         ("bswap<mode>"): Generate the permute pattern operand in the
5003         expander and perform the operand reloads for pre arch13 level
5004         already.
5005         ("*bswap<mode>_emu"): Rename to ...
5006         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
5007         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
5008         Add the USE operand for the permute pattern.
5009         ("*vec_set_bswap_vec<mode>"): Likewise.
5010
5011 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5012
5013         PR c/89946
5014         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
5015         and gcc_unreachable if it fails, just call tree_to_uhwi which
5016         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
5017         Start warning message with a lower-case letter.  Formatting fixes.
5018
5019         PR rtl-optimization/90026
5020         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
5021         successors, look for BARRIERs inside of the whole BB_FOOTER chain
5022         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
5023         in cfglayout mode, use emit_barrier_after_bb.
5024
5025 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
5026
5027         PR rtl-optimization/87763
5028         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
5029         New Instruction.
5030
5031 2019-04-11  Tom de Vries  <tdevries@suse.de>
5032
5033         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
5034         max macro using statement expression.
5035
5036 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5037
5038         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5039         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5040         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5041         read_only_private_data_section using xcoff_private_rodata_section_name.
5042         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5043
5044 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5045
5046         PR target/90016
5047         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5048
5049 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5050
5051         PR rtl-optimization/89965
5052         * dce.c (sp_based_mem_offset): New function.
5053         (find_call_stack_args): Use sp_based_mem_offset.
5054
5055 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5056
5057         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5058
5059 2019-04-11  Richard Biener  <rguenther@suse.de>
5060
5061         PR tree-optimization/90020
5062         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5063         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5064         * tree-ssa-pre.c (compute_avail): Use it to not put
5065         possibly trapping references after a call that might not
5066         return into EXP_GEN.
5067         * gcse.c (compute_hash_table_work): Do not elide
5068         marking a block containing a call if the call might not
5069         return.
5070
5071 2019-04-11  Richard Biener  <rguenther@suse.de>
5072
5073         PR tree-optimization/90018
5074         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5075         Test both SLP and interleaving variants.
5076
5077 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5078
5079         * config/s390/8561.md: New file.
5080         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5081         Add arch13 cpu model.
5082         * config/s390/s390-opts.h (enum processor_type): Likewise.
5083         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5084         (s390_get_unit_mask): Likewise.
5085         (s390_is_fpd): Likewise.
5086         (s390_is_fxd): Likewise.
5087         * config/s390/s390.h (s390_tune_attr): Likewise.
5088         * config/s390/s390.md: Include arch13 pipeline description.
5089         * config/s390/s390.opt: Add arch13.
5090
5091 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5092
5093         PR rtl-optimization/87763
5094         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5095         New prototype.
5096         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5097         New function.
5098         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5099         New instruction.
5100         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5101         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5102         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5103         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5104
5105 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5106
5107         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5108         "Although" in -fipa-icf documentation.
5109
5110         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5111         of using multiple -g options.
5112
5113 2019-04-10  Martin Liska  <mliska@suse.cz>
5114
5115         PR gcov-profile/89959
5116         * doc/gcov.texi: Make documentation of -x option
5117         more precise.
5118
5119 2019-04-10  Richard Biener  <rguenther@suse.de>
5120
5121         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5122         member.
5123         (DR_GROUP_SAME_DR_STMT): Remove.
5124         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5125         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5126         replace with assert.
5127         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5128         (vect_record_grouped_load_vectors): Remove unreachable code.
5129
5130 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5131
5132         PR target/90016
5133         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5134         obsolete reference to N.
5135
5136 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5137
5138         PR middle-end/90025
5139         * expr.c (store_expr): Set properly size on the MEM passed to
5140         clear_storage.
5141
5142         PR c++/90010
5143         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5144         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5145         translation is needed, and when translation is needed, only append
5146         ... if the string length is hostsz or more bytes long.  Avoid using
5147         strncpy or strcat.
5148
5149 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5150
5151         PR target/90024
5152         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5153         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5154         into three.
5155         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5156         differences directly.
5157         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5158
5159 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5160
5161         PR translation/90011
5162         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5163         from diagnostics.
5164         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5165         diagnostics.
5166         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5167         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5168         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5169         trailing space from -gsplit-dwarf diagnostics.
5170
5171         PR tree-optimization/89998
5172         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5173         instead of integer_type_node if possible, don't add ranges if return
5174         type is not compatible with int.
5175         * gimple-fold.c (gimple_fold_builtin_sprintf,
5176         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5177         integer_type_node.
5178
5179 2019-04-09  Martin Liska  <mliska@suse.cz>
5180
5181         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5182         * doc/install.texi: Document the new config.
5183
5184 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5185
5186         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5187         use gimple_expr_type for load and store calls.  Skip over the
5188         condition argument in a conditional internal function.
5189         Protect use of TREE_INT_CST_LOW.
5190
5191 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5192
5193         PR target/90015
5194         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5195         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5196         trailing period from it too.
5197
5198 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5199
5200         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5201         * config/aarch64/aarch64.md : Add "tsv110.md"
5202         * config/aarch64/tsv110.md: New file.
5203
5204 2019-04-08  Richard Biener  <rguenther@suse.de>
5205
5206         PR tree-optimization/90006
5207         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5208         calls like lrint.
5209
5210 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5211
5212         PR target/83033
5213         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5214         construction.
5215         (fma_root_node): Likewise.
5216         (func_fma_steering): Likewise.
5217
5218 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5219
5220         PR rtl-optimization/89865
5221         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5222
5223         PR rtl-optimization/89865
5224         * config/i386/i386.md
5225         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5226         numbers not to clash with the additional operands[4].
5227         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5228         with extra register copy in the middle.
5229
5230 2019-04-08  Martin Liska  <mliska@suse.cz>
5231
5232         PR gcov-profile/89961
5233         * doc/gcov.texi: Document data_file.
5234         * gcov.c (generate_results): Add data_info into JSON output.
5235
5236 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5237
5238         PR tree-optimization/89725
5239         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5240         loop's chrec as invariant symbol.
5241         * tree-chrec.h (chrec_contains_symbols): New parameter.
5242         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5243         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5244         function of loops not in DDR's loop_nest.
5245         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5246
5247 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5248
5249         PR target/89623
5250         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5251         Mask.
5252
5253 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5254
5255         PR target/89945
5256         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5257         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5258
5259 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5260
5261         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5262         targetm.fixed_condition_code_regs.
5263
5264 2019-04-05  Richard Biener  <rguenther@suse.de>
5265
5266         PR debug/89892
5267         PR debug/89905
5268         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5269         debug bind stmts but reset them if they are not valid at the
5270         destination.
5271
5272 2019-04-05  Martin Liska  <mliska@suse.cz>
5273
5274         PR translation/89936
5275         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5276         order to wrap keywords or arguments.
5277         * collect2.c (main): Likewise.
5278         (scan_prog_file): Likewise.
5279         (scan_libraries): Likewise.
5280         * common/config/riscv/riscv-common.c
5281         (riscv_subset_list::parsing_subset_version): Likewise.
5282         (riscv_subset_list::parse_std_ext): Likewise.
5283         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5284         Likewise.
5285         * config/arm/arm.c (arm_option_override): Likewise.
5286         * config/cris/cris.c (cris_print_operand): Likewise.
5287         * config/darwin-c.c (darwin_pragma_options): Likewise.
5288         (darwin_pragma_unused): Likewise.
5289         (darwin_pragma_ms_struct): Likewise.
5290         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5291         * config/i386/i386.c (print_reg): Likewise.
5292         (ix86_print_operand): Likewise.
5293         * config/i386/xm-djgpp.h: Likewise.
5294         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5295         * config/m32c/m32c.c (m32c_option_override): Likewise.
5296         * config/msp430/msp430.c (msp430_option_override): Likewise.
5297         * config/nds32/nds32.c (nds32_option_override): Likewise.
5298         * config/nvptx/mkoffload.c (main): Likewise.
5299         * config/rx/rx.c (rx_print_operand): Likewise.
5300         (valid_psw_flag): Likewise.
5301         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5302         (vms_pragma_nomember_alignment): Likewise.
5303         (vms_pragma_extern_model): Likewise.
5304         * lto-wrapper.c (compile_offload_image): Likewise.
5305         * omp-offload.c (oacc_parse_default_dims): Likewise.
5306         * symtab.c (symtab_node::verify_base): Likewise.
5307         * tlink.c (recompile_files): Likewise.
5308         (start_tweaking): Likewise.
5309         * tree-profile.c (parse_profile_filter): Likewise.
5310
5311 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5312
5313         PR tree-optimization/89956
5314         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5315         multiple negates of the same value.
5316
5317 2019-04-04  Martin Sebor  <msebor@redhat.com>
5318
5319         PR middle-end/89957
5320         PR middle-end/89911
5321         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5322         have the same precision since the function crashes otherwise.
5323         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5324         has non-zero arguments.
5325
5326 2019-04-04  Martin Sebor  <msebor@redhat.com>
5327
5328         PR middle-end/89934
5329         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5330         out if the number of arguments is less than expected.
5331
5332 2019-04-04  Jeff Law  <law@redhat.com>
5333
5334         PR rtl-optimization/89399
5335         * ree.c (combine_set_extension): Use single_set rather than
5336         digging into PATTERN for items on the candidate list.
5337         (combine_reaching_defs): Likewise.
5338
5339 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5340
5341         PR rtl-optimization/46590
5342         * loop-invariant.c (find_defs): Move df_remove_problem and
5343         df_process_deferred_rescans to move_invariants.
5344         Move df_live_add_problem and df_live_set_all_dirty calls
5345         to move_invariants.
5346         (move_invariants): Likewise.
5347         (move_loop_invariants): Likewise, making the df_live calls
5348         conditional on -O.  Remove the problem again if we added it
5349         locally.
5350
5351 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5352
5353         PR tree-optimization/89730
5354         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5355         -flive-patching=inline-only-static.
5356         (can_inline_edge_by_limits_p): Add the checking for
5357         -flive-patching=inline-only-static and grant always_inline
5358         even when -flive-patching=inline-only-static is specified.
5359
5360 2019-04-03  Jeff Law  <law@redhat.com>
5361
5362         PR rtl-optimization/81025
5363         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5364
5365 2019-04-03  Richard Biener  <rguenther@suse.de>
5366
5367         PR tree-optimization/84101
5368         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5369         regs.h for hard_regno_nregs.
5370         (cfun_returns): New helper.
5371         (vect_model_store_cost): When vectorizing a store to a decl
5372         we return and the function ABI returns in a multi-reg location
5373         account for the possible spilling that will happen.
5374
5375 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5376
5377         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5378         displacement addresses for vector mode operands.
5379
5380 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5381
5382         * config/arc/arc.c (GMASK_LEN): Define.
5383         (arc_restore_callee_saves): Restore first blink when
5384         !optimize_size.
5385
5386 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5387
5388         * doc/extend.texi: Add deprecated comment on sign-return-address
5389         function attribute and add mbranch-protection.
5390         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5391
5392 2019-04-03  Richard Biener  <rguenther@suse.de>
5393
5394         PR lto/89896
5395         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5396         the all target phony.
5397
5398 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5399
5400         PR target/89902
5401         PR target/89903
5402         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5403         Return false for variable DImode shifts.
5404         (dimode_scalar_chain::compute_convert_gain): Do not handle
5405         register count operand in variable DImode shifts.
5406         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5407         count argument of a variable shift instruction to a vector register.
5408         (dimode_scalar_chain::convert_reg): Remove support to convert
5409         count argument of a variable shift instruction.
5410
5411 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5412
5413         PR rtl-optimization/84206
5414         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5415         iterating over loop headers.
5416
5417 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5418
5419         PR rtl-optimization/85876
5420         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5421         beyond the original fence.
5422
5423 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5424
5425         * config.gcc: Mark spu* targets as deprecated/obsolete.
5426
5427 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5428
5429         * config/s390/s390-builtin-types.def: New builtin function type
5430         definitions. Remove unused types.
5431         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5432         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5433         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5434         overloaded builtins.
5435         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5436         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5437         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5438         (vec_double, vec_signed, vec_unsigned): Define to use the new
5439         overloaded builtins.
5440         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5441         Remove expanders.
5442
5443 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5444
5445         * config/s390/s390-builtin-types.def: New builtin function type
5446         definitions.
5447         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5448         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5449         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5450         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5451         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5452         constant definitions.
5453         * config/s390/vecintrin.h (vec_search_string_cc)
5454         (vec_search_string_until_zero_cc): New builtin name definitions.
5455         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5456         expanders.
5457         ("vec_vstrs<mode>"): New insn definition.
5458
5459 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5460
5461         * config/s390/s390-builtin-types.def: Add new builtin function
5462         types.
5463         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5464         New overloaded builtins.
5465         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5466         s390_vsrd.
5467         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5468         (UNSPEC_VEC_SLDBYTE): ... this.
5469         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5470         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5471         definitions.
5472         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5473         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5474         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5475
5476 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5477
5478         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5479         New insn definition.
5480         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5481         * config/s390/vector.md (V_HW_HSD): ... here.
5482
5483 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5484
5485         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5486         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5487         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5488         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5489         New insn definitions.
5490
5491 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5492
5493         * config/s390/s390-builtin-types.def: Add new builtin function type.
5494         * config/s390/s390-builtins.def: Add overloaded builtin
5495         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5496         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5497         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5498         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5499         ("eltswap<mode>"): New expander.
5500         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5501         insn definitions.
5502
5503 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5504
5505         * config/s390/s390-builtin-types.def: Add new builtin function types.
5506         * config/s390/s390-builtins.def: Add overloaded builtin
5507         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5508         instructions.
5509         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5510         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5511         ("bswap<mode>"): New expander.
5512         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5513
5514 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5515
5516         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5517         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5518         vector builtin version number in __VEC__.
5519
5520 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5521
5522         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5523         iterators.
5524         (SFSI): New mode attribute.
5525         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5526         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5527         rename to ...
5528         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5529         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5530         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5531         ("floatsi<mode>2"): Add wcefb instruction.
5532
5533 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5534
5535         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5536         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5537         mode iterators.
5538         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5539         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5540         support 32 bit fp-int conversions. Rename to ...
5541         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5542         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5543         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5544         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5545         ... to these.
5546
5547 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5548
5549         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5550         if-then-else constructs if we can use the select instruction.
5551         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5552
5553 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5554
5555         * config/s390/s390.md ("*popcountdi_arch13_cc")
5556         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5557         definition.
5558         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5559         Append _z196 to make it ...
5560         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5561         ("popcounthi2_z196"): ... this.
5562         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5563         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5564
5565 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5566
5567         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5568         certain compares for arch13 in order to make use of the condition
5569         code result produced by the new instructions.
5570         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5571         nxrk, and nxgrk instruction patterns.
5572         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5573         (inv_no): Add new code iterator together with some attributes.
5574         ("*andc_split_<mode>"): Disable splitter for arch13.
5575         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5576         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5577         ("*<ANDOR:bitops_name>c<GPR:mode>")
5578         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5579         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5580         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5581         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5582
5583 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5584
5585         * common/config/s390/s390-common.c (processor_flags_table): New
5586         entry for arch13.
5587         * config.gcc: Support arch13 with the --with-arch= configure flag.
5588         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5589         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5590         * config/s390/s390.c (s390_get_sched_attrmask)
5591         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5592         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5593         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5594         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5595         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5596         definitions.
5597         * config/s390/s390.opt: Support arch13 as processor type in
5598         command line options.
5599
5600 2019-04-02  Martin Liska  <mliska@suse.cz>
5601
5602         PR translation/89912
5603         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5604         Fix param description of graphite-max-arrays-per-scop.
5605
5606 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5607
5608         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5609         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5610         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5611
5612 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5613
5614         PR rtl-optimization/85412
5615         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5616         sel_sched_region_1, not after.
5617
5618 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5619
5620         PR rtl-optimization/86928
5621         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5622         compute_live if necessary.
5623         (sel_redirect_edge_and_branch): Likewise.
5624
5625 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5626
5627         PR rtl-optimization/89865
5628         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5629         register if it is a part of small class.
5630
5631 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5632
5633         PR rtl-optimization/87273
5634         * sel-sched-ir.c (merge_fences): Remove assert.
5635
5636 2019-04-01  Richard Biener  <rguenther@suse.de>
5637
5638         PR tree-optimization/46590
5639         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5640         (dom_walker::m_reachability): Add in place of...
5641         (dom_walker::m_skip_unreachable_blocks): ...this.
5642         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5643         Move complex initialization ...
5644         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5645         lazily and initialize edge flags on each invocation.
5646         (dom_walker::bb_reachable): Use m_reachability.
5647
5648 2019-04-01  Martin Liska  <mliska@suse.cz>
5649
5650         PR driver/89861
5651         * opt-suggestions.c (option_proposer::build_option_suggestions):
5652         Add variant without any argument in order to provide better
5653         hints.
5654
5655 2019-04-01  Richard Biener  <rguenther@suse.de>
5656
5657         PR c/71598
5658         * gimple.c: Include langhooks.h.
5659         (gimple_get_alias_set): Treat enumeral types as the underlying
5660         integer type.
5661
5662 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5663             Eric Botcazou  <ebotcazou@adacore.com>
5664
5665         PR rtl-optimization/89862
5666         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5667         that operates on the full registers for WORD_REGISTER_OPERATIONS
5668         architectures.
5669
5670 2019-03-29  Jim Wilson  <jimw@sifive.com>
5671
5672         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5673         Clear MASK_RVC and then set if C subset supported.
5674
5675 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5676
5677         PR c/89872
5678         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5679         non-addressable complit into its initializer if it is volatile.
5680
5681 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5682
5683         * opts-common.c (integral_argument): Set errno properly in one case.
5684
5685 2019-03-29  Martin Liska  <mliska@suse.cz>
5686
5687         * doc/invoke.texi: Remove -Wchkp from documentation.
5688
5689 2019-03-29  Martin Liska  <mliska@suse.cz>
5690
5691         * dbgcnt.c (print_limit_reach): New function.
5692         (dbg_cnt): Use it.
5693
5694 2019-03-29  Martin Liska  <mliska@suse.cz>
5695
5696         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5697         (dbg_cnt_process_opt): Parse first tokens aas
5698         dbg_cnt_process_single_pair is also using strtok.
5699
5700 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5701
5702         PR rtl-optimization/87485
5703         * function.c (expand_function_end): Move stack_protect_epilogue
5704         before loading of return value into hard register(s).
5705
5706 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5707
5708         PR middle-end/89621
5709         * tree-inline.h (struct copy_body_data): Add
5710         dont_remap_vla_if_no_change flag.
5711         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5712         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5713         and remap_type_2 returns false.
5714         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5715         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5716         only from where it is copied to nested contexts.
5717
5718 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5719
5720         PR target/89865
5721         * config/i386/i386.md (RMW operation with LEA peephole):
5722         Use LEAMODE mode attribute instead of SWI mode iterator for
5723         LEA pattern.
5724
5725 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5726
5727         PR target/89848
5728         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5729         Also process XEXP (src, 0) of a shift insn.
5730
5731 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5732
5733         PR middle-end/89725
5734         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5735         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5736
5737 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5738
5739         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5740         test.
5741         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5742         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5743         immediately after first one with df_analyze in between, but rather
5744         process all bbs, queueing ones that need second pass in a worklist,
5745         df_analyze, process queued debug insn changes and if second pass is
5746         needed, process bbs from worklist, df_analyze, process queued debug
5747         insns again.
5748
5749         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5750         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5751         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5752
5753 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5754
5755         PR c/79022
5756         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5757         definition.
5758
5759 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5760
5761         PR target/85667
5762         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5763         function for 32-bit MS_ABI.
5764         (function_value_ms_32): New function.
5765
5766 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5767
5768         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5769         (movdi): Call gen_movdi_symbol_save_scc.
5770         (gen_movdi_symbol_save_scc): New insn and split.
5771
5772 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5773
5774         PR rtl-optimization/89313
5775         * function.c (matching_constraint_num): New static function.
5776         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5777         Don't replace inputs with non-matching constraints which conflict
5778         with early clobber outputs.
5779
5780 2019-03-27  Jeff Law  <law@redhat.com>
5781
5782
5783         PR rtl-optimization/87761
5784         PR rtl-optimization/89826
5785         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5786         slightly later.
5787         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5788         note problem to get REG_DEAD/REG_UNUSED notes updated.
5789
5790 2019-03-27  Richard Biener  <rguenther@suse.de>
5791
5792         PR tree-optimization/89463
5793         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5794         queue edges to remove.
5795         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5796         dead stmts.  Delay edge removal until PHIs are removed to
5797         make debug-stmt creation not confused by seemingly degenerate
5798         PHIs.
5799
5800 2019-03-27  Alan Modra  <amodra@gmail.com>
5801
5802         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5803         throughout file.
5804         * config/rs6000/darwin.h: Likewise.
5805         * config/rs6000/rs6000.c: Likewise.
5806
5807 2019-03-27  Alan Modra  <amodra@gmail.com>
5808
5809         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5810         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5811
5812 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5813             Jim Wilson  <jimw@sifive.com>
5814
5815         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5816         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5817         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5818         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5819         (generic_alu): Add auipc to type list.
5820         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5821         (riscv_microarchitecture): Declare.
5822         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5823         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5824         field.
5825         (riscv_microarchitecture): New.
5826         (sifive_7_tune_info): New.
5827         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5828         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5829         entries.
5830         (riscv_store_data_bypass_p): New.
5831         (riscv_option_override): Set riscv_microarchitecture from
5832         cpu->microarchitecture.
5833         * config/riscv/riscv.md: Include sifive-7.md.
5834         (type): Add auipc.
5835         (tune): New.
5836         (auipc<mode>): Change type to auipc.
5837         (restore_stack_nonlocal): New.
5838         * config/riscv/sifive-7.md: New.
5839         * doc/invoke.texi (RISC-V Options): Update mtune docs.
5840
5841 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
5842
5843         PR target/89827
5844         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
5845         Also process XEXP (src, 0) of a shift insn.
5846
5847 2019-03-26  Richard Biener  <rguenther@suse.de>
5848
5849         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
5850         (copy_debug_stmt): Likewise.
5851         (expand_call_inline): Likewise.
5852         (copy_bb): Avoid redundant lookup & set of gimple_block.
5853         * gimple-low.c (lower_gimple_return): Likewise.
5854         (lower_builtin_setjmp): Likewise.
5855
5856 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
5857
5858         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
5859         is constant 0, turn into static const data member initialized to false.
5860         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
5861         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
5862
5863 2019-03-26  Jason Merrill  <jason@redhat.com>
5864             Jakub Jelinek  <jakub@redhat.com>
5865
5866         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
5867         method.
5868         (mem_alloc_description::release_object_overhead): Fix comment typos.
5869         * hash-table.h (hash_table::~hash_table): Call
5870         release_instance_overhead only if m_entries is non-NULL, otherwise
5871         call unregister_descriptor.
5872
5873 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
5874
5875         PR tree-optimization/81740
5876         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5877         In case of outer loop vectorization, check for backward dependence
5878         at the inner loop if outer loop dependence is reversed.
5879
5880 2019-03-26  Alan Modra  <amodra@gmail.com>
5881
5882         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
5883         rs6000_vector_mem init.  Correct wI and wJ comment.
5884
5885 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
5886
5887         PR rtl-optimization/88347
5888         PR rtl-optimization/88423
5889         * sched-deps.c (sched_analyze_insn): Take into account that for
5890         tablejumps the barrier appears after a label and a jump_table_data.
5891
5892 2019-03-25  Martin Sebor  <msebor@redhat.com>
5893
5894         PR c/89812
5895         * c-common.c (check_user_alignment): Rename local.  Correct maximum
5896         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
5897         convert it to UHWI when it fits.
5898
5899 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
5900
5901         PR debug/86964
5902         * dwarf2out.c (premark_used_variables): New function.
5903         (prune_unused_types_walk): Do not mark not premarked external
5904         variables.
5905         (prune_unused_types): Call premark_used_variables.
5906
5907 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
5908
5909         PR rtl-optimization/89676
5910         * lra-constraints.c (curr_insn_transform): Do match reload for
5911         early clobbers when the match was successful only for different
5912         registers.
5913
5914 2019-03-25  Martin Sebor  <msebor@redhat.com>
5915
5916         * doc/extend.texi (Common Type Attributes): Document vector_size.
5917         (Common Variable Attributes): Mention size constraint.  Correct
5918         quoting and typos.
5919         (Vector Extensions): Use @dfn when defining bas type.  Clarify
5920         base type and size constraints.
5921
5922 2019-03-25  Richard Biener  <rguenther@suse.de>
5923
5924         PR tree-optimization/89789
5925         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
5926         changes from non-undefined back to undefined.
5927
5928 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
5929
5930         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
5931         heap string and a gc string, but since this variable is unknown to
5932         ggc the gc string might get reused and corrupted. Fixed by always
5933         using a heap string.
5934
5935 2019-03-25  Richard Biener  <rguenther@suse.de>
5936
5937         PR tree-optimization/89779
5938         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
5939         to remove IV defs, delay actual removal.
5940         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
5941         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
5942         very end, properly also reset loop control IV information.
5943
5944 2019-03-25  Richard Biener  <rguenther@suse.de>
5945
5946         PR tree-optimization/89802
5947         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
5948         move EH data to folded stmt.
5949
5950 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5951
5952         * config/s390/s390-builtin-types.def: Remove few unused types and
5953         fix sort order for others.
5954
5955 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
5956
5957         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
5958         expected and found types with -mdebug during builtin matching.
5959
5960 2019-03-25  Richard Biener  <rguenther@suse.de>
5961
5962         PR middle-end/89790
5963         * fold-const.c (operand_equal_p): Revert last change with
5964         updated comment.
5965
5966 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
5967
5968         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
5969         notes for the result of the __tls_get_addr calls.
5970         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
5971
5972 2019-03-24  Jeff Law  <law@redhat.com>
5973
5974         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
5975
5976         PR rtl-optimization/87761
5977         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
5978         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
5979         as needed.
5980         (pass_cprop_hardreg::execute): Add df note problem and defer insn
5981         rescans.  Reprocess blocks as needed, calling df_analyze before
5982         reprocessing.  Always call df_analyze before fixing up debug bind
5983         insns.
5984
5985 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
5986
5987         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
5988         big endian.
5989
5990 2019-03-22  Andrew Pinski  <apinski@marvell.com>
5991
5992         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
5993         attrribute for uxtw.
5994
5995 2019-03-26  Jeff Law  <law@redhat.com>
5996
5997         PR rtl-optimization/87761
5998         * config/mips/mips-protos.h (mips_split_move): Add new argument.
5999         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
6000         (mips_split_move): Accept new INSN argument.  Try to forward SRC
6001         into the next instruction.
6002         (mips_split_move_insn): Pass INSN through to mips_split_move.
6003
6004 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
6005
6006         PR rtl-optimization/89676
6007         * lra-constraints.c (curr_insn_transform): Do match reload for
6008         early clobbers even if the match was successful.
6009
6010 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6011
6012         PR c++/87481
6013         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
6014
6015 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
6016
6017         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
6018
6019 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6020
6021         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
6022         <avx512>_fmsub_<mode>_mask3<round_name>,
6023         <avx512>_fnmadd_<mode>_mask3<round_name>,
6024         <avx512>_fnmsub_<mode>_mask3<round_name>,
6025         avx512f_vmfmadd_<mode>_mask3<round_name>,
6026         avx512f_vmfmsub_<mode>_mask3<round_name>,
6027         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
6028         instead of register_operand and %v instead of v for match_operand 1.
6029         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
6030         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
6031         <round_nimm_predicate> instead of register_operand and %v instead of v
6032         for match_operand 1.
6033
6034         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6035         <avx512>_fmadd_<mode>_mask3<round_name>,
6036         <avx512>_fmsub_<mode>_mask<round_name>,
6037         <avx512>_fmsub_<mode>_mask3<round_name>,
6038         <avx512>_fnmadd_<mode>_mask<round_name>,
6039         <avx512>_fnmadd_<mode>_mask3<round_name>,
6040         <avx512>_fnmsub_<mode>_mask<round_name>,
6041         <avx512>_fnmsub_<mode>_mask3<round_name>,
6042         <avx512>_fmaddsub_<mode>_mask<round_name>,
6043         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6044         <avx512>_fmsubadd_<mode>_mask<round_name>,
6045         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6046         <round_nimm_predicate> instead of nonimmediate_operand.
6047         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6048         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6049         Use register_operand instead of <round_nimm_predicate> for the
6050         operand that needs to match output.
6051         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6052         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6053         Likewise.  Formatting fixes.
6054
6055         PR target/89784
6056         * config/i386/i386.c (enum ix86_builtins): Remove
6057         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6058         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6059         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6060         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6061         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6062         __builtin_ia32_vfmsubss3_mask3): New builtins.
6063         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6064         avx512f_vmfmadd_<mode>_mask3<round_name>,
6065         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6066         *avx512f_vmfmsub_<mode>_mask<round_name>,
6067         avx512f_vmfmsub_<mode>_mask3<round_name>,
6068         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6069         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6070         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6071         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6072         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6073         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6074         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6075         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6076         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6077         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6078         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6079         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6080         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6081         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6082         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6083         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6084         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6085         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6086         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6087         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6088         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6089         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6090         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6091         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6092         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6093         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6094         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6095         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6096
6097 2019-03-21  Martin Sebor  <msebor@redhat.com>
6098
6099         PR tree-optimization/89350
6100         * builtins.c (compute_objsize): Also ignore offsets whose upper
6101         bound is negative.
6102         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6103         (builtin_memref::builtin_memref): Initialize new member.
6104         Allow EXPR to be null.
6105         (builtin_memref::extend_offset_range): Replace local with a member.
6106         Avoid assuming pointer offsets are unsigned.
6107         (builtin_memref::set_base_and_offset): Determine base object
6108         before computing offset range.
6109         (builtin_access::builtin_access): Handle memset.
6110         (builtin_access::generic_overlap): Replace local with a member.
6111         (builtin_access::strcat_overlap): Same.
6112         (builtin_access::overlap): Same.
6113         (maybe_diag_overlap): Same.
6114         (maybe_diag_access_bounds): Same.
6115         (wrestrict_dom_walker::check_call): Handle memset.
6116         (check_bounds_or_overlap): Same.
6117
6118 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6119             Jakub Jelinek  <jakub@redhat.com>
6120
6121         PR lto/89692
6122         * tree.c (fld_type_variant, fld_incomplete_type_of,
6123         fld_process_array_type): Call fld->pset.add and don't call
6124         add_tree_to_fld_list if it returns true.
6125         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6126         non-marked types from TYPE_NEXT_VARIANT list.
6127         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6128
6129 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6130
6131         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6132         to false, if true, don't alloc_entries during construction, but defer
6133         it to the first method that needs m_entries allocated.
6134         (hash_table::hash_table, hash_table::~hash_table,
6135         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6136         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6137         hash_table::clear_slot, hash_table::traverse_noresize,
6138         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6139         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6140         false.
6141         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6142         NO_INSERT instead of find_with_hash.
6143         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6144         hash_set::m_table): Add Lazy to template params of hash_table.
6145         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6146         * attribs.c (test_attribute_exclusions): Likewise.
6147         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6148         hash_set.  Add tests for hash_set with Lazy = true.
6149
6150 2019-03-21  Richard Biener  <rguenther@suse.de>
6151
6152         PR tree-optimization/89779
6153         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6154         checks with respect to released SSA names now having error_mark_node
6155         type.
6156         * fold-const.c (operand_equal_p): Likewise.
6157
6158 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6159
6160         PR target/89775
6161         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6162         available to ...
6163         (s390_optimize_register_info): Use global_not_special_regno_p to
6164         check for global regs.
6165
6166 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6167
6168         PR target/89752
6169         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6170         update this_alternative nor this_alternative_set.
6171
6172 2019-03-19  Jim Wilson  <jimw@sifive.com>
6173
6174         PR target/89411
6175         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6176         align, size, offset.  Use them to handle a BLKmode reference.  Update
6177         comment.
6178         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6179
6180 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6181
6182         PR rtl-optimization/89768
6183         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6184         instead of GEN_INT.
6185         (unroll_loop_runtime_iterations): Likewise.
6186
6187 2019-03-19  Martin Sebor  <msebor@redhat.com>
6188
6189         PR tree-optimization/89644
6190         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6191         rather than endptr as an indicator of nul-termination.
6192
6193         PR tree-optimization/89644
6194         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6195         arrays in determining sequence sizes in strncpy and stpncpy.
6196
6197 2019-03-19  Martin Liska  <mliska@suse.cz>
6198
6199         PR middle-end/89737
6200         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6201         unlikely_edges if there's an edge that belongs to both these sets.
6202
6203 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6204
6205         PR target/89746
6206         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6207         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6208         go via a stack temporary.
6209
6210 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6211
6212         PR target/89378
6213         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6214         instead of gen_rtx_SUBREG.
6215         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6216
6217 2019-03-19  Richard Biener  <rguenther@suse.de>
6218
6219         PR debug/88389
6220         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6221
6222 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6223
6224         PR lto/87809
6225         PR lto/89335
6226         * tree.c (free_lang_data_in_decl): Do not free context of C++
6227         destrutors.
6228
6229 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6230
6231         PR target/89506
6232         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6233         subs for the first alternative except when operands[3] is 1.
6234
6235         PR target/89752
6236         * gimplify.c (gimplify_asm_expr): For output argument with
6237         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6238         diagnose error.
6239
6240 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6241
6242         PR rtl-optimization/89753
6243         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6244         explicit unrolling factor even more robust.
6245
6246 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6247
6248         PR target/89726
6249         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6250         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6251         signed zeros, do another copysign after the compensation.
6252
6253 2019-03-18  Martin Sebor  <msebor@redhat.com>
6254
6255         PR tree-optimization/89720
6256         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6257         more conservatively, the same as anti-range.
6258
6259 2019-03-18  Richard Biener  <rguenther@suse.de>
6260
6261         PR middle-end/88945
6262         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6263         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6264         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6265         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6266
6267 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6268
6269         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6270         Extend queue to 1024 entries.
6271         Add "consumed" field.
6272         (gomp_print_output): Remove print_index parameter.
6273         Add final parameter.
6274         Change limit to unsigned.
6275         Use consumed field to implement circular buffer.
6276         Detect interrupted print in final pass.
6277         Flush output at the end.
6278         (run): Update gomp_print_output usage.
6279         (main): Initialize kernargs->output_data.consumed.
6280
6281 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6282
6283         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6284         calculation of the minimum number of scalar iterations for
6285         fully-predicated loops.
6286
6287 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6288
6289         PR tree-optimization/89546
6290         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6291         any propagation to its children took place.
6292
6293 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6294
6295         PR target/89627
6296         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6297         parameter, and make use of it.
6298         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6299
6300 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6301
6302         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6303         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6304         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6305         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6306         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6307         match what the ops is doing.
6308         (push_multi_fp_blink): Likewise.
6309         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6310         compiling for size and elf target.
6311         (arc_save_callee_enter): Adjust note to match what enter/leave
6312         operation does.
6313
6314 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6315
6316         * config/arc/arc.md (tst_movb): Fix constraint.
6317
6318 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6319
6320         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6321
6322 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6323
6324         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6325         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6326         reg_alloc_order references.
6327         (size_alloc_order): Define.
6328         (arc_adjust_reg_alloc_order): New function.
6329         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6330         order.
6331         (ADJUST_REG_ALLOC_ORDER): Define.
6332         (HONOR_REG_ALLOC_ORDER): Likewise.
6333
6334 2019-03-18  Richard Biener  <rguenther@suse.de>
6335
6336         PR target/87561
6337         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6338         loads and stores a bit more.
6339
6340 2019-03-18  Richard Biener  <rguenther@suse.de>
6341
6342         PR target/87561
6343         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6344         load pessimization to stores as well.
6345
6346 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6347
6348         PR middle-end/86979
6349         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6350         successor, use NULL as its av set.
6351
6352 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6353
6354         PR rtl-optimization/89721
6355         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6356
6357 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6358
6359         PR target/87532
6360         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6361         When handling vec_extract, use modular arithmetic to allow
6362         constant selectors greater than vector length.
6363         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6364         V1TImode vectors to have constant selector values greater than 0.
6365         Use modular arithmetic to compute vector index.
6366         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6367         index for in-memory vectors.  Correct code generation for
6368         in-register vectors.
6369         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6370         compute index.
6371
6372 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6373
6374         PR c++/88534
6375         PR c++/88537
6376         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6377         VAR_DECL args.
6378
6379 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6380
6381         PR c++/89709
6382         * tree.c (inchash::add_expr): Strip any location wrappers.
6383         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6384         after hash verification.
6385
6386         PR debug/89704
6387         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6388         SIGN_EXTEND and ZERO_EXTEND.
6389
6390 2019-03-14  Jason Merrill  <jason@redhat.com>
6391             Jakub Jelinek  <jakub@redhat.com>
6392
6393         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6394         than if is_empty (*slot).
6395         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6396         existing elt and for elt removal.
6397         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6398         of already removed elt.
6399
6400 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6401
6402         PR target/89650
6403         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6404         REG_EH_REGION note.
6405
6406 2019-03-14  Martin Liska  <mliska@suse.cz>
6407
6408         PR other/89712
6409         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6410
6411 2019-03-14  Richard Biener  <rguenther@suse.de>
6412
6413         PR target/89711
6414         * config/i386/i386.c (make_resolver_func): Properly set
6415         DECL_CONTEXT on the RESULT_DECL.
6416         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6417
6418 2019-03-14  Richard Biener  <rguenther@suse.de>
6419
6420         * gimple-pretty-print.c: Include cfgloop.h.
6421         (dump_gimple_phi): Adjust.
6422         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6423         (pp_cfg_jump): Adjust.
6424         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6425         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6426         (lower_phi_internal_fn): Remove.
6427         (verify_gimple_call): Remove IFN_PHI special-casing.
6428         (dump_function_to_file): Dump IL state.
6429         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6430         done to deal with PHI nodes being present in non-SSA state.
6431
6432 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6433
6434         PR ipa/89684
6435         * multiple_target.c (create_dispatcher_calls): Change
6436         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6437         In the node->iterate_referring loop, push *ref rather than ref, call
6438         ref->remove_reference () and always pass 0 to iterate_referring.
6439
6440         PR rtl-optimization/89679
6441         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6442         would contain a paradoxical SUBREG.
6443
6444 2019-03-14  Richard Biener  <rguenther@suse.de>
6445
6446         PR tree-optimization/89710
6447         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6448         safe_dyn_cast.
6449
6450 2019-03-14  Martin Liska  <mliska@suse.cz>
6451
6452         * coverage.c (coverage_begin_function): Stream also
6453         end_column.
6454         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6455         documentation about function declaration location.
6456         * gcov-dump.c (tag_function): Print whole range
6457         of function declaration.
6458         * gcov.c (struct function_info): Add end_column field.
6459         (function_info::function_info): Initialize it.
6460         (output_json_intermediate_file): Output {start,end}_column
6461         fields.
6462         (read_graph_file): Read end_column.
6463
6464 2019-03-14  Richard Biener  <rguenther@suse.de>
6465
6466         PR middle-end/89698
6467         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6468         that the access types are similar.
6469
6470 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6471
6472         PR tree-optimization/89703
6473         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6474         aren't compatible also with builtin_decl_explicit.  Check pure
6475         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6476         and BUILT_IN_STPNCPY{,_CHK}.
6477
6478 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6479
6480         PR target/89523
6481         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6482         addr32 prefix to VSIB address for X32.
6483         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6484         "%M2" to opcode.
6485         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6486         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6487         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6488         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6489         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6490         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6491         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6492         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6493         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6494         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6495         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6496         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6497         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6498         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6499         (*avx512f_scatterdi<mode>): Likewise.
6500
6501 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6502
6503         PR target/85860
6504         * lra-constraints.c (inherit_in_ebb): Update
6505         potential_reload_hard_regs along with live_hard_regs.
6506
6507 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6508
6509         PR debug/89498
6510         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6511         DWARF_OFFSET_SIZE.
6512         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6513
6514 2019-03-13  Martin Sebor  <msebor@redhat.com>
6515
6516         PR tree-optimization/89662
6517         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6518         has a size.
6519
6520 2019-03-13  Richard Biener  <rguenther@suse.de>
6521
6522         PR middle-end/89677
6523         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6524         throw FP expressions at tree-affine.
6525
6526 2019-03-14  Richard Biener  <rguenther@suse.de>
6527
6528         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6529         dump negative integer constants using _Literal (type) -num.
6530
6531 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6532
6533         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6534         nonlocal_value member.
6535
6536         PR middle-end/88588
6537         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6538         (ipa_simd_modify_function_body): Handle PHIs.
6539
6540 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6541
6542         * config/s390/s390.c (s390_option_override_internal): Use more
6543         aggressive inlining parameters.
6544
6545 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6546
6547         * config/s390/3906.md: New file.
6548         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6549         (LONGRUNNING_THRESHOLD): Remove.
6550         (MAX_SCHED_MIX_SCORE): Decrease.
6551         (MAX_SCHED_MIX_DISTANCE): Decrease.
6552         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6553         (struct s390_sched_state): New struct to hold scheduling state.
6554         (S390_SCHED_STATE_NORMAL): Remove.
6555         (S390_SCHED_STATE_CRACKED): Remove.
6556         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6557         (s390_get_sched_attrmask): Use new attribute.
6558         (s390_get_unit_mask): Use new units.
6559         (s390_is_fpd): New function.
6560         (s390_is_fxd): New function.
6561         (s390_is_longrunning): New function.
6562         (s390_sched_score): Use new functions.
6563         (s390_sched_reorder): Likewise.
6564         (s390_sched_variable_issue): Rework and use new functions.
6565         (s390_sched_init): Use new functions.
6566         * config/s390/s390.h (s390_tune_attr):  Add z14.
6567         * config/s390/s390.md: Add z14.
6568
6569 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6570
6571         * config/s390/2964.md: Update pipeline description.
6572         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6573         (LONGRUNNING_THRESHOLD): Remove.
6574         (LATENCY_FACTOR): Remove.
6575         (s390_get_unit_mask): Add unit.
6576         (s390_sched_score): Use fxd/fpd.
6577         (s390_sched_variable_issue): Use fxd/fpd.
6578
6579 2019-03-12  Martin Liska  <mliska@suse.cz>
6580
6581         * config/i386/i386.c: Reword an error message.
6582
6583 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6584
6585         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6586         terminate with newline.
6587
6588 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6589
6590         PR target/52726
6591         * config/s390/s390.md (tabort): Use %wd instead of
6592         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6593         letters and periods.
6594         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6595         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6596         's with %< and %>.
6597
6598         PR middle-end/89663
6599         * builtins.c (expand_builtin_int_roundingfn,
6600         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6601         gcc_unreachable if validate_arglist fails.
6602
6603 2019-03-12  Richard Biener  <rguenther@suse.de>
6604
6605         PR tree-optimization/89664
6606         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6607         free the occurance tree after the early out.
6608
6609 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6610
6611         PR middle-end/89655
6612         PR bootstrap/89656
6613         * vr-values.c (vr_values::update_value_range): If
6614         old_vr->varying_p (), don't update it, make new_vr also VARYING
6615         and return false.
6616
6617 2019-03-11  Martin Liska  <mliska@suse.cz>
6618
6619         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6620         Fix double string quoting.
6621
6622 2019-03-11  Martin Liska  <mliska@suse.cz>
6623
6624         * collect-utils.c (collect_wait): Wrap apostrophes
6625         in gcc internal format with %'.
6626         * collect2.c (main): Likewise.
6627         (scan_prog_file): Likewise.
6628         (scan_libraries): Likewise.
6629         * config/i386/i386.c (ix86_expand_call): Likewise.
6630         (ix86_handle_interrupt_attribute): Likewise.
6631         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6632         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6633         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6634         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6635         * symtab.c (symtab_node::verify_base): Likewise.
6636         * tree-cfg.c (verify_gimple_label): Likewise.
6637         * tree.c (verify_type_variant): Likewise.
6638
6639 2019-03-11  Martin Liska  <mliska@suse.cz>
6640
6641         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6642         in a string format message and fix GNU coding style.
6643         (expand_builtin_set_thread_pointer): Likewise.
6644         * common/config/aarch64/aarch64-common.c
6645         (aarch64_rewrite_selected_cpu): Likewise.
6646         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6647         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6648         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6649         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6650         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6651         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6652         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6653         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6654         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6655         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6656         Likewise.
6657         * common/config/riscv/riscv-common.c
6658         (riscv_subset_list::parsing_subset_version): Likewise.
6659         (riscv_subset_list::parse_std_ext): Likewise.
6660         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6661         (riscv_subset_list::parse): Likewise.
6662         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6663         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6664         (aarch64_override_options_internal): Likewise.
6665         (aarch64_validate_mcpu): Likewise.
6666         (aarch64_validate_march): Likewise.
6667         (aarch64_validate_mtune): Likewise.
6668         (aarch64_override_options): Likewise.
6669         * config/alpha/alpha.c (alpha_option_override): Likewise.
6670         * config/arc/arc.c (arc_init): Likewise.
6671         (parse_mrgf_banked_regs_option): Likewise.
6672         (arc_override_options): Likewise.
6673         (arc_expand_builtin_aligned): Likewise.
6674         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6675         (arm_expand_builtin): Likewise.
6676         * config/arm/arm.c (arm_option_check_internal): Likewise.
6677         (arm_configure_build_target): Likewise.
6678         (arm_option_override): Likewise.
6679         (arm_options_perform_arch_sanity_checks): Likewise.
6680         (arm_handle_cmse_nonsecure_entry): Likewise.
6681         (arm_handle_cmse_nonsecure_call): Likewise.
6682         (arm_tls_referenced_p): Likewise.
6683         (thumb1_expand_prologue): Likewise.
6684         * config/avr/avr.c (avr_option_override): Likewise.
6685         * config/bfin/bfin.c (bfin_option_override): Likewise.
6686         * config/c6x/c6x.c (c6x_option_override): Likewise.
6687         * config/cr16/cr16.c (cr16_override_options): Likewise.
6688         * config/cris/cris.c (cris_option_override): Likewise.
6689         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6690         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6691         * config/darwin.c (darwin_override_options): Likewise.
6692         * config/frv/frv.c (frv_expand_builtin): Likewise.
6693         * config/h8300/h8300.c (h8300_option_override): Likewise.
6694         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6695         (ix86_option_override_internal): Likewise.
6696         (warn_once_call_ms2sysv_xlogues): Likewise.
6697         (ix86_expand_prologue): Likewise.
6698         (split_stack_prologue_scratch_regno): Likewise.
6699         (ix86_warn_parameter_passing_abi): Likewise.
6700         * config/ia64/ia64.c (fix_range): Likewise.
6701         * config/m68k/m68k.c (m68k_option_override): Likewise.
6702         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6703         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6704         (mips_set_compression_mode): Likewise.
6705         * config/mmix/mmix.c (mmix_option_override): Likewise.
6706         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6707         * config/msp430/msp430.c (msp430_option_override): Likewise.
6708         * config/nds32/nds32.c (nds32_option_override): Likewise.
6709         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6710         (nios2_option_override): Likewise.
6711         (nios2_expand_custom_builtin): Likewise.
6712         * config/nvptx/mkoffload.c (main): Likewise.
6713         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6714         * config/pa/pa.c (fix_range): Likewise.
6715         (pa_option_override): Likewise.
6716         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6717         (riscv_option_override): Likewise.
6718         * config/rl78/rl78.c (rl78_option_override): Likewise.
6719         * config/rs6000/aix61.h: Likewise.
6720         * config/rs6000/aix71.h: Likewise.
6721         * config/rs6000/aix72.h: Likewise.
6722         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6723         * config/rs6000/freebsd64.h: Likewise.
6724         * config/rs6000/linux64.h: Likewise.
6725         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6726         (rs6000_expand_zeroop_builtin): Likewise.
6727         (rs6000_expand_mtfsb_builtin): Likewise.
6728         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6729         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6730         (rs6000_invalid_builtin): Likewise.
6731         (rs6000_expand_split_stack_prologue): Likewise.
6732         * config/rs6000/rtems.h: Likewise.
6733         * config/rx/rx.c (valid_psw_flag): Likewise.
6734         (rx_expand_builtin): Likewise.
6735         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6736         * config/s390/s390.c (s390_expand_builtin): Likewise.
6737         (s390_function_profiler): Likewise.
6738         (s390_option_override_internal): Likewise.
6739         (s390_option_override): Likewise.
6740         * config/sh/sh.c (sh_option_override): Likewise.
6741         (sh_builtin_saveregs): Likewise.
6742         (sh_fix_range): Likewise.
6743         * config/sh/vxworks.h: Likewise.
6744         * config/sparc/sparc.c (sparc_option_override): Likewise.
6745         * config/spu/spu.c (spu_option_override): Likewise.
6746         (fix_range): Likewise.
6747         * config/visium/visium.c (visium_option_override): Likewise.
6748         (visium_handle_interrupt_attr): Likewise.
6749         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6750         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6751         (dbg_cnt_process_opt): Likewise.
6752         * dwarf2out.c (output_dwarf_version): Likewise.
6753         * except.c (expand_eh_return): Likewise.
6754         * gcc.c (defined): Likewise.
6755         (driver_handle_option): Likewise.
6756         (process_command): Likewise.
6757         (compare_files): Likewise.
6758         (driver::prepare_infiles): Likewise.
6759         (driver::do_spec_on_infiles): Likewise.
6760         (driver::maybe_run_linker): Likewise.
6761         * omp-offload.c (oacc_parse_default_dims): Likewise.
6762         * opts-global.c (handle_common_deferred_options): Likewise.
6763         * opts.c (parse_sanitizer_options): Likewise.
6764         (common_handle_option): Likewise.
6765         (enable_warning_as_error): Likewise.
6766         * passes.c (enable_disable_pass): Likewise.
6767         * plugin.c (parse_plugin_arg_opt): Likewise.
6768         (default_plugin_dir_name): Likewise.
6769         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6770         (default_pch_valid_p): Likewise.
6771         * toplev.c (init_asm_output): Likewise.
6772         (process_options): Likewise.
6773         (toplev::run_self_tests): Likewise.
6774         * tree-cfg.c (verify_gimple_call): Likewise.
6775         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6776         (tree_inlinable_function_p): Likewise.
6777         * var-tracking.c (vt_find_locations): Likewise.
6778
6779 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6780
6781         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6782         only on the else branch.
6783
6784 2019-03-11  Martin Liska  <mliska@suse.cz>
6785
6786         * gcov.c (output_intermediate_json_line): Print function
6787         name of each line.
6788         (output_json_intermediate_file): Add new argument.
6789         * doc/gcov.texi: Document the change.
6790
6791 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6792
6793         PR rtl-optimization/89588
6794         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6795         explicit unrolling factor more robust.
6796
6797 2019-03-11  Richard Biener  <rguenther@suse.de>
6798
6799         PR tree-optimization/89649
6800         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6801         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6802         on the prolog and epilog loops.
6803         (vect_loop_versioning): Return copy of loop.
6804         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6805         on the non-vectorized version of the loop.
6806
6807 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6808
6809         PR target/68924
6810         * config/i386/sse.md (*vec_extractv2di_0_sse):
6811         Add (=r,x) alternative and corresponding splitter.
6812
6813 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6814
6815         PR tree-optimization/85762
6816         PR tree-optimization/87008
6817         PR tree-optimization/85459
6818         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6819         it points to if there is a type changing MEM_REF.  Adjust all callers.
6820         (build_accesses_from_assign): Disable total scalarization if
6821         contains_vce_or_bfcref_p returns true through the new parameter, for
6822         both rhs and lhs.
6823
6824 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6825
6826         PR c/88568
6827         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6828         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6829
6830         PR target/79645
6831         * common.opt (fdiagnostics-show-labels,
6832         fdiagnostics-show-line-numbers, fdiagnostics-format=,
6833         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
6834         gas-locview-support, ginline-points, ginternal-reset-location-views):
6835         Terminate description text with a dot.
6836         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
6837         * config/mcore/mcore.opt (m210, m340): Likewise.
6838         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
6839         mnops=): Start description text with a capital letter.
6840         * config/arc/arc.opt (msize-level=): Likewise.
6841         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
6842         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
6843         mnewlib): Likewise.
6844         * config/ft32/ft32.opt (msim): Likewise.
6845         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
6846         (mnodiv, mnopm): Terminate description text with a dot.
6847         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
6848         a colon.
6849         * config/i386/i386.opt (prefer_vector_width, instrument_return):
6850         Likewise.
6851         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
6852         text.
6853
6854         PR rtl-optimization/89634
6855         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
6856         are modified in BB_END (e->src) instruction.
6857
6858 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
6859
6860         PR target/79926
6861         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
6862         messages more amenable to translation, and improve wording.
6863
6864 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
6865
6866         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
6867         ud- and du-chains between phases.
6868
6869 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
6870
6871         PR debug/89631
6872         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
6873         instead of POLY_INT_CST.
6874
6875 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
6876
6877         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
6878         requirement.
6879
6880 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
6881
6882         PR target/68924
6883         PR target/78782
6884         PR target/87558
6885         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
6886         (_mm_storeu_si64): Ditto.
6887
6888 2019-03-08  Martin Liska  <mliska@suse.cz>
6889
6890         PR target/86952
6891         * config/i386/i386.c (ix86_option_override_internal): Disable
6892         jump tables when retpolines are used.
6893
6894 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
6895
6896         PR go/63560
6897         * ipa-split.c (execute_split_functions): Do not split
6898         'noinline' or 'section' function.
6899
6900 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6901
6902         PR target/79846
6903         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
6904         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
6905         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
6906
6907         PR ipa/80000
6908         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
6909         from diagnostics.  Formatting fixes.
6910
6911         PR target/85665
6912         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
6913         warn_odr diagnostics.
6914
6915         PR other/80058
6916         * lra-constraints.c (process_alt_operands): Avoid one space before
6917         " at the end of line and another after " on another line in a string
6918         literal.
6919         * attribs.c (handle_dll_attribute): Likewise.
6920         * config/avr/avr-devices.c (avr_texinfo): Likewise.
6921
6922         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
6923         warning_at or inform messages in G_() if there is no ?:.
6924
6925         PR tree-optimization/89550
6926         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
6927         returned true.  Formatting fixes.
6928         (expand_builtin_strnlen): Formatting fixes.
6929         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
6930         if warning_at returned true.
6931         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
6932
6933 2019-03-08  Richard Biener  <rguenther@suse.de>
6934
6935         PR middle-end/89578
6936         * cfgloop.h (struct loop): Add owned_clique field.
6937         * cfgloopmanip.c (copy_loop_info): Copy it.
6938         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
6939         cliques.
6940         * tree-inline.c (copy_loops): Remap owned_clique.
6941         * lto-streamer-in.c (input_cfg): Stream owned_clique.
6942         * lto-streamer-out.c (output_cfg): Likewise.
6943
6944 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
6945
6946         PR target/80190
6947         * config/darwin.c: Include intl.h.
6948         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
6949         composing the message out of two separate parts.
6950
6951 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
6952
6953         PR target/80003
6954         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
6955         doesn't start with a capital letter and doesn't end with a dot.
6956         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
6957         with a capital letter.
6958         (ix86_mangle_function_version_assembler_name): Likewise.
6959         (ix86_generate_version_dispatcher_body): Likewise.
6960         (fold_builtin_cpu): Likewise.
6961         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
6962         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
6963         translators, wrap full type name in %qs.
6964
6965         PR translation/79999
6966         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
6967         depend clause with source (or sink) modifier.
6968         * omp-expand.c (expand_omp_ordered_sink): Likewise.
6969
6970         PR target/89602
6971         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
6972         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
6973         (avx512f_load<mode>_mask): New define_expand.
6974         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
6975         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
6976         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
6977         __builtin_ia32_movess_mask): New builtins.
6978         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
6979         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
6980         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
6981         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
6982
6983 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6984
6985         PR lto/87525
6986         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
6987         for extern inline functions.
6988
6989 2019-03-07  Martin Jambor  <mjambor@suse.cz>
6990
6991         PR ipa/88235
6992         * cgraph.h (cgraph_node): New inline method former_thunk_p.
6993         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
6994         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
6995         have multiple callees.  At the end check if declarations match as
6996         opposed to cgraph_nodes.
6997
6998 2019-03-07  Martin Liska  <mliska@suse.cz>
6999
7000         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
7001         which is equivalent to searching for this in clones chain.
7002         * symtab.c (symtab_node::verify_base): Similarly compare ASM
7003         names with a neighbour and special case first node in a chain.
7004
7005 2019-01-25  Jason Merrill  <jason@redhat.com>
7006
7007         PR c++/80916 - spurious "static but not defined" warning.
7008         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
7009         for an internal symbol with DECL_EXTERNAL.
7010
7011 2019-04-07  Richard Biener  <rguenther@suse.de>
7012
7013         PR middle-end/89618
7014         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
7015         * tree-inline.c (copy_loops): Simplify.
7016
7017 2019-03-07  Martin Liska  <mliska@suse.cz>
7018
7019         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
7020
7021 2019-03-07  Richard Biener  <rguenther@suse.de>
7022
7023         PR tree-optimization/89595
7024         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
7025         stmt iterator as reference, take boolean output parameter to
7026         indicate whether the stmt was removed and thus the iterator
7027         already advanced.
7028         (dom_opt_dom_walker::before_dom_children): Re-iterate over
7029         stmts created by folding.
7030
7031 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7032
7033         PR c++/89585
7034         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7035         at toplevel.
7036
7037 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7038
7039         PR rtl-optimization/88845
7040         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7041         LRA.
7042         * lra.c (remove_scratches_1): New function.
7043         (remove_scratches): Use it.
7044         (lra_emit_move): Likewise.
7045
7046 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7047
7048         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7049         unaligned_access variable.
7050         * config/arc/arc.c (arc_override_options): Set unaligned access
7051         default on for HS CPUs.
7052         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7053
7054 2019-03-06  Martin Liska  <mliska@suse.cz>
7055
7056         PR gcov-profile/89577
7057         * doc/gcov.texi: Prefer to use --coverage.
7058         * doc/sourcebuild.texi: Likewise.
7059
7060 2019-03-02  Jason Merrill  <jason@redhat.com>
7061
7062         PR c++/86485 - -Wmaybe-unused with empty class ?:
7063         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7064
7065 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7066
7067         PR target/89587
7068         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7069         if_multiarch.
7070
7071         PR middle-end/89590
7072         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7073         exactly one argument.
7074
7075 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7076             Richard Sandiford  <richard.sandiford@arm.com>
7077
7078         PR tree-optimization/89570
7079         * match.pd (vec_cond into cond_op simplification): Don't use
7080         get_conditional_internal_fn, use as_internal_fn (cond_op).
7081
7082 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7083
7084         PR target/89222
7085         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7086         to decide when to split off a non-zero offset from a symbol.
7087         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7088         in function symbols.
7089
7090 2019-03-05  Richard Biener  <rguenther@suse.de>
7091
7092         PR tree-optimization/89594
7093         * tree-if-conv.c (pass_if_conversion::execute): Handle
7094         case where .LOOP_VECTORIZED_FUNCTION was removed.
7095
7096 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7097
7098         PR bootstrap/89560
7099         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7100         instead alloca it only when needed with the needed size.
7101
7102         PR tree-optimization/89570
7103         * match.pd (vec_cond into cond_op simplification): Guard with
7104         vectorized_internal_fn_supported_p test and #if GIMPLE.
7105
7106         PR tree-optimization/89566
7107         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7108         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7109         Punt if get_user_idx_format succeeds, but idx_format argument is
7110         not provided or doesn't have pointer type, or if idx_args is above
7111         number of provided arguments.
7112
7113 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7114
7115         PR tree-optimization/89437
7116         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7117
7118 2019-03-04  Richard Biener  <rguenther@suse.de>
7119
7120         PR middle-end/89572
7121         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7122         safe_dyn_cast.
7123
7124 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7125
7126         PR tree-optimization/89487
7127         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7128         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7129         (distribute_loop): Don't do runtime alias check if there is non-
7130         addressable data reference.
7131         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7132         is a register variable.
7133
7134 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7135
7136         PR target/89506
7137         * config/arm/arm.md (cmpsi2_addneg): Use
7138         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7139         If operands[2] is 0 or INT_MIN, force use of subs.
7140         (*compare_scc splitter): Use gen_int_mode.
7141         (*negscc): Likewise.
7142         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7143
7144 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7145             Monk Chiang  <sh.chiang04@gmail.com>
7146
7147         * common/config/riscv/riscv-common.c: Include sstream.
7148         (riscv_subset_list::to_string): New.
7149         (riscv_arch_str): Likewise.
7150         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7151         * config.in: Regen.
7152         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7153         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7154         (riscv_emit_attribute): New.
7155         (riscv_file_start): Emit attribute if needed.
7156         (riscv_option_override): Init riscv_emit_attribute_p.
7157         * config/riscv/riscv.opt (mriscv-attribute): New option.
7158         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7159         * configure: Regen.
7160         * doc/install.texi: Document --with-riscv-attribute.
7161         * doc/invoke.texi: Document -mriscv-attribute.
7162
7163         * common/config/riscv/riscv-common.c:
7164         Include config/riscv/riscv-protos.h.
7165         (INCLUDE_STRING): Defined.
7166         (RISCV_DONT_CARE_VERSION): Defined.
7167         (riscv_subset_t): Declare.
7168         (riscv_subset_t::riscv_subset_t): New.
7169         (riscv_subset_list): Declare.
7170         (riscv_subset_list::riscv_subset_list): New.
7171         (riscv_subset_list::~riscv_subset_list): Likewise.
7172         (riscv_subset_list::parsing_subset_version): Likewise.
7173         (riscv_subset_list::parse_std_ext): Likewise.
7174         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7175         (riscv_subset_list::add): Likewise.
7176         (riscv_subset_list::lookup): Likewise.
7177         (riscv_subset_list::xlen): Likewise.
7178         (riscv_subset_list::parse): Likewise.
7179         (riscv_supported_std_ext): Likewise.
7180         (current_subset_list): Likewise.
7181         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7182         parse.
7183
7184 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7185
7186         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7187         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7188         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7189
7190 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7191
7192         PR rtl-optimization/85899
7193         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7194         fallthru edges leading to the exit block.
7195
7196 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7197
7198         PR target/89517
7199         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7200         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7201
7202 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7203
7204         PR tree-optimization/89535
7205         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7206         for each operand.  Calculate the fallback choice for mask operands
7207         and pass it to vect_get_vec_def_for_operand.
7208
7209 2019-03-01  Richard Biener  <rguenther@suse.de>
7210
7211         PR middle-end/89541
7212         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7213         get virtual operands.
7214         (get_expr_operands): Handle CONST_DECL like other decls.
7215
7216 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7217
7218         PR middle-end/89503
7219         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7220         on DECL_P and EXPR_P.
7221
7222 2019-03-01  Richard Biener  <rguenther@suse.de>
7223
7224         PR middle-end/89497
7225         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7226         argument, defaulted to zero.
7227         * passes.c (execute_function_todo): Pass down SSA update flags
7228         to cleanup_tree_cfg.
7229         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7230         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7231         form if requested.
7232         (cleanup_tree_cfg): Get and pass down SSA update flags.
7233
7234 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7235
7236         PR bootstrap/89539
7237         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7238         early_lto_debug argument.
7239
7240 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7241
7242         PR tree-optimization/89536
7243         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7244         only whether bit #0 of the value is 0 instead of the entire value.
7245
7246 2019-02-28  Marek Polacek  <polacek@redhat.com>
7247
7248         PR c++/87068 - missing diagnostic with fallthrough statement.
7249         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7250         at the end of a seq, save its location to walk_stmt_info.
7251         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7252         a switch.
7253
7254 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7255
7256         PR lto/88585
7257         * tree.c (find_atomic_core_type): Move ahead in file.
7258         (check_base_type): Correctly compare alignments of atomic types.
7259
7260 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7261
7262         PR target/89455
7263         * config/i386/i386.c (get_builtin_code_for_version): Identify
7264         Westmere from PCLMUL, instead of AES.
7265
7266 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7267
7268         PR target/89434
7269         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7270         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7271         -UINTVAL (...).
7272
7273 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7274
7275         PR target/88530
7276         * config/aarch64/aarch64-option-extensions.def: Document it.
7277         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7278         if empty hwcaps.
7279
7280 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7281
7282         PR c/89520
7283         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7284         builtins if they don't have a single scalar floating point argument.
7285         Formatting fixes.
7286
7287 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7288
7289         PR rtl-optimization/89490
7290         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7291         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7292         block section is not mergeable.
7293
7294 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7295
7296         PR target/70341
7297         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7298         old define_insn to ...
7299         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7300         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7301         Rename old define_insn to ...
7302         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7303         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7304         define_insn to ...
7305         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7306         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7307         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7308
7309 2019-02-27  Richard Biener  <rguenther@suse.de>
7310
7311         PR debug/88878
7312         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7313
7314 2019-02-27  Richard Biener  <rguenther@suse.de>
7315
7316         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7317         building.
7318
7319 2019-02-27  Richard Biener  <rguenther@suse.de>
7320
7321         PR debug/88878
7322         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7323         parameter, prefix section name with .gnu.debuglto_ if true.
7324         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7325         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7326
7327 2019-02-27  Richard Biener  <rguenther@suse.de>
7328
7329         PR debug/89514
7330         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7331         rather than on use_debug_types, doing what output_die does.
7332         (value_format): Likewise.
7333
7334 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7335             Martin Sebor  <msebor@redhat.com>
7336
7337         * doc/invoke.texi (Warning Options): Reword description of
7338         -Wno-absolute-value.
7339
7340 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7341
7342         PR tree-optimization/89280
7343         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7344         builtin_setjmp_setup_bb): New functions.
7345         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7346         When visiting __builtin_setjmp_setup block, queue in special
7347         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7348         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7349         from visited after the loop if they don't have any visited successor
7350         blocks.
7351
7352 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7353
7354         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7355         New function.
7356         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7357
7358 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7359
7360         PR c++/89507
7361         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7362         with types other than sizetype/ssizetype.
7363
7364 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7365
7366         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7367         (enum sparc_processor_type): ...this.
7368         (enum sparc_code_model_type): New enumeration type.
7369         (enum sparc_memory_model_type): Tweak comments.
7370         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7371         (mtune): Likewise.
7372         (mcmodel): Use sparc_code_model enumeration and variable.
7373         (sparc_code_model): New enumeration.
7374         (mdebug): Add Undocumented marker.
7375         * config/sparc/sparc.h (enum cmodel): Delete.
7376         (sparc_cmodel): Likewise.
7377         (TARGET_CM_MEDLOW): Adjust to above renaming.
7378         (TARGET_CM_MEDMID): Likewise.
7379         (TARGET_CM_MEDANY): Likewise.
7380         (TARGET_CM_EMBMEDANY): Likewise.
7381         * config/sparc/sparc.c (sparc_cmodel): Delete.
7382         (sparc_option_override): Remove string/value mapping support for the
7383         code model.  Move code and memory model support to after the handling
7384         of target flags.  Do private machine setup last.
7385         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7386         (sparc_legitimize_reload_address): Likewise.
7387         (sparc_output_mi_thunk): Likewise.
7388         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7389
7390 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7391
7392         PR tree-optimization/89500
7393         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7394         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7395         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7396         cst if the first cst bytes starting at x are known to be non-zero,
7397         even if the string is not zero terminated.  Don't try to modify
7398         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7399         we can prove strnlen returns the same value as strlen would.
7400
7401 2019-02-26  Martin Liska  <mliska@suse.cz>
7402
7403         * alloc-pool.h (struct pool_usage): Remove extra
7404         print_dash_line.
7405         * bitmap.h (struct bitmap_usage): Likewise.
7406         * ggc-common.c (struct ggc_usage): Likewise.
7407         * mem-stats.h (struct mem_usage): Likewise.
7408         (mem_alloc_description::dump): Print dash lines
7409         here and repeat header at the end of a table report.
7410         It's then more readable.
7411         * tree-phinodes.c (phinodes_print_statistics): Make
7412         horizontal alignment.
7413         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7414         * vec.c (struct vec_usage): Remove extra print_dash_line.
7415         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7416
7417 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7418
7419         * doc/extend.texi (__builtin_object_size):
7420         Use @pxref instead of @xref inside parenthesis.
7421         (__builtin_has_attribute): Add missing comma after @xref.
7422         (__builtin_object_size): Ditto.
7423         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7424         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7425         in the list.
7426
7427 2019-02-26  Jeff Law  <law@redhat.com>
7428
7429         PR rtl-optimization/87761
7430         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7431         detect obviously dead insns and delete them.
7432
7433 2019-02-26  Richard Biener  <rguenther@suse.de>
7434
7435         PR tree-optimization/89505
7436         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7437         to handle restrict pointed-to vars with multiple subvars
7438         correctly.
7439
7440 2019-02-26  Richard Biener  <rguenther@suse.de>
7441
7442         PR tree-optimization/89489
7443         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7444
7445 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7446
7447         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7448         and move around comment.
7449         <BIT_AND_EXPR>: Likewise.
7450         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7451
7452 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7453
7454         PR target/89474
7455         * config/i386/i386.c (remove_partial_avx_dependency): Call
7456         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7457         after changing possibly many instructions to use that pseudo.  Fix up
7458         insertion of v4sf_const0 setter at the start of bb.
7459
7460 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7461
7462         PR c/80409
7463         * doc/extend.texi (Variadic Pointer Args): New section.
7464
7465 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7466             Martin Sebor  <msebor@gmail.com>
7467
7468         * common.opt (Wattribute-alias): Likewise.
7469         * doc/invoke.texi (Option Summary): List general form of
7470         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7471         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7472         Add cross-references.
7473         (-Wattribute-alias): Rewrite and correct default.  Mention
7474         considered attributes (same as for -Wmissing-attributes).
7475
7476 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7477
7478         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7479         (_mm_cvtpd_ps): Likewise.
7480         (_mm_cvttpd_epi32): Likewise.
7481
7482         PR target/89338
7483         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7484         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7485
7486         PR target/89339
7487         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7488
7489 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7490
7491         PR target/88530
7492         * common/config/aarch64/aarch64-common.c
7493         (struct aarch64_option_extension): Add is_synthetic.
7494         (all_extensions): Use it.
7495         (TARGET_OPTION_INIT_STRUCT): Define hook.
7496         (struct gcc_targetm_common): Moved to end.
7497         (all_extensions_by_on): New.
7498         (opt_ext_cmp, typedef opt_ext): New.
7499         (aarch64_option_init_struct): New.
7500         (aarch64_contains_opt): New.
7501         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7502         * config/aarch64/aarch64-option-extensions.def
7503         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7504         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7505         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7506         Set is_synthetic to false.
7507         (crypto): Set is_synthetic to true.
7508         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7509         SYNTHETIC.
7510
7511 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7512
7513         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7514         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7515         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7516         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7517         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7518         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7519         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7520         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7521         Rename ...
7522         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7523         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7524         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7525         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7526         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7527         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7528         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7529         vfmlsl_laneq_high_f16): ... To this.
7530         * config/arm/neon.md: Update comments.
7531
7532 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7533
7534         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7535         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7536         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7537         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7538         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7539         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7540         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7541         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7542         Rename ...
7543         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7544         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7545         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7546         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7547         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7548         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7549         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7550         vfmlslq_laneq_high_f16): ... To this.
7551
7552 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7553
7554         PR rtl-optimization/86096
7555         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7556         comparing mw_order values.
7557
7558 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7559
7560         PR target/89434
7561         * config/arm/arm.md (*subsi3_carryin_const): Use
7562         arm_neg_immediate_operand predicate instead of
7563         arm_not_immediate_operand, "L" constraint instead of "K" and
7564         print it using %n2 instead of %B2.
7565         (*subsi3_carryin_const0): New define_insn.
7566         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7567         instead of arm_not_operand and "I" constraint instead of "K" and
7568         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7569         another match_operand and in the condition check that it is negation
7570         of operands[2].
7571         (*subsi3_carryin_compare_const0): New define_ins.
7572         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7573         *subsi3_carryin_const.
7574         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7575         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7576
7577         PR target/89438
7578         * config/arm.vfp.md (*negdf2_vfp): Use
7579         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7580         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7581
7582 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7583
7584         PR rtl-optimization/89445
7585         * simplify-rtx.c (simplify_ternary_operation): Don't use
7586         simplify_merge_mask on operands that may trap.
7587         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7588         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7589         second operand is CONST_VECTOR, check if any element could be zero.
7590         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7591         their operands can trap.
7592
7593 2019-02-23  Martin Sebor  <msebor@redhat.com>
7594
7595         * gimple-ssa-sprintf.c (target_strtol): Rename...
7596         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7597         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7598         check for range error.
7599
7600 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7601
7602         PR driver/69471
7603         * opts-common.c (prune_options): Also prune joined switches
7604         with Negative and RejectNegative.
7605         * config/i386/i386.opt (march=): Add Negative(march=).
7606         (mtune=): Add Negative(mtune=).
7607         * doc/options.texi: Document Negative used together with Joined
7608         and RejectNegative.
7609
7610 2019-02-22  Martin Sebor  <msebor@redhat.com>
7611
7612         * doc/extend.texi (Other Builtins): Add
7613         __builtin_is_constant_evaluated.
7614
7615 2019-02-22  Richard Biener  <rguenther@suse.de>
7616
7617         PR tree-optimization/87609
7618         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7619
7620 2019-02-22  Jeff Law  <law@redhat.com>
7621
7622         PR rtl-optimization/87761
7623         * config/mips/mips.md: Add new combiner pattern to recognize
7624         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7625
7626 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7627
7628         PR target/89324
7629         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7630         destination register in peepholes generating patterns for ADDS/SUBS.
7631         (add<mode>3_compare0,
7632         *addsi3_compare0_uxtw, add<mode>3_compareC,
7633         add<mode>3_compareV_imm, add<mode>3_compareV,
7634         *adds_<optab><ALLX:mode>_<GPI:mode>,
7635         *subs_<optab><ALLX:mode>_<GPI:mode>,
7636         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7637         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7638         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7639         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7640         sub<mode>3_compare1): Allow stack pointer for source register.
7641         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7642
7643 2019-02-22  Martin Sebor  <msebor@redhat.com>
7644
7645         PR tree-optimization/88993
7646         PR tree-optimization/88853
7647         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7648         New helper.
7649         (sprintf_dom_walker::call_info::is_string_func): New helper.
7650         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7651         for formatted string functions.
7652         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7653
7654 2019-02-22  Martin Sebor  <msebor@redhat.com>
7655
7656         PR c/89425
7657         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7658         unreachable subexpressions.
7659
7660 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7661             Hongtao Liu  <hongtao.liu@intel.com>
7662             Sunil K Pandey  <sunil.k.pandey@intel.com>
7663
7664         PR target/87007
7665         * config/i386/i386-passes.def: Add
7666         pass_remove_partial_avx_dependency.
7667         * config/i386/i386-protos.h
7668         (make_pass_remove_partial_avx_dependency): New.
7669         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7670         New function.
7671         (pass_data_remove_partial_avx_dependency): New.
7672         (pass_remove_partial_avx_dependency): Likewise.
7673         (make_pass_remove_partial_avx_dependency): Likewise.
7674         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7675         (*extendsfdf2): Add avx_partial_xmm_update.
7676         (truncdfsf2): Likewise.
7677         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7678         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7679
7680 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7681
7682         PR middle-end/85598
7683         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7684         analysis for pass.
7685
7686 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7687
7688         PR target/89444
7689         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7690         (PTA_SKYLAKE): Add PTA_AES.
7691         (PTA_GOLDMONT): Likewise.
7692
7693 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7694
7695         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7696         instruction if enabled.
7697         (aarch64_override_options): Remove reference to return address key.
7698
7699 2019-02-22  Richard Biener  <rguenther@suse.de>
7700
7701         PR tree-optimization/89440
7702         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7703         not necessary assert.
7704
7705 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7706
7707         PR fortran/72741
7708         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7709         (oacc_replace_fn_attrib_attr): ... this new function.
7710         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7711         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7712
7713 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7714
7715         * config/arm/arm-cpus.in (ares): Rename to...
7716         (neoverse-n1): ... This.  Add ares as alias.
7717         * config/arm/arm-tables.opt: Regenerate.
7718         * config/arm/arm-tune.md: Likewise.
7719         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7720
7721 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7722
7723         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7724         * config/aarch64/aarch64-tune.md: Regenerate.
7725         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7726
7727 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7728
7729         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7730         (neoversen1_tunings): ... This.
7731         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7732         (neoverse-n1): New CPU.
7733         * config/aarch64/aarch64-tune.md: Regenerate.
7734         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7735
7736 2019-02-22  Richard Biener  <rguenther@suse.de>
7737
7738         PR middle-end/87609
7739         * cfghooks.h (dependence_hash): New typedef.
7740         (struct copy_bb_data): New type.
7741         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7742         (duplicate_block): Likewise.
7743         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7744         (copy_bbs): Create and pass down copy_bb_data.
7745         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7746         (rtl_duplicate_bb): Likewise.
7747         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7748         remap dependence info.
7749
7750 2019-02-22  Richard Biener  <rguenther@suse.de>
7751
7752         PR tree-optimization/87609
7753         * tree-core.h (tree_base): Document special clique values.
7754         * tree-inline.c (remap_dependence_clique): Do not use the
7755         special clique value of one.
7756         (maybe_set_dependence_info): Use clique one.
7757         (clear_dependence_clique): New callback.
7758         (compute_dependence_clique): Clear clique one from all refs
7759         before assigning it (again).
7760
7761 2019-02-21  Martin Sebor  <msebor@redhat.com>
7762
7763         * doc/extend.texi (__clear_cache): Correct signature.
7764
7765 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7766
7767         PR go/89170
7768         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7769         than output_constant_def.
7770         (add_constant_to_table): New static function.
7771         (output_constant_def): Call add_constant_to_table.
7772         (tree_output_constant_def): Likewise.
7773
7774 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7775
7776         PR c++/89285
7777         * builtins.c (fold_builtin_arith_overflow): If first two args are
7778         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7779         to ifn.
7780
7781 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7782
7783         PR target/87412
7784         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7785         error for -mindirect-branch/-mfunction-return with incompatible
7786         -fcf-protection.
7787
7788 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7789
7790         PR bootstrap/88714
7791         * constraints.md (q): Remove.
7792         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7793         instead of q.
7794
7795 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7796
7797         PR hsa/89302
7798         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7799         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7800         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7801         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7802         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7803         proper values to new parameters of omp_adjust_for_condition.
7804
7805 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7806
7807         PR middle-end/89412
7808         * expr.c (expand_assignment): If result is a MEM, use change_address
7809         instead of simplify_gen_subreg.
7810
7811 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7812             David Malcolm  <dmalcolm@redhat.com>
7813
7814         PR middle-end/89091
7815         * fold-const.c (decode_field_reference): Return NULL_TREE if
7816         lang_hooks.types.type_for_size returns NULL.  Check it before
7817         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7818
7819 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7820
7821         PR middle-end/88074
7822         PR middle-end/89415
7823         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7824         buggy mpc_norm.
7825
7826 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7827
7828         PR target/89397
7829         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7830         TARGET_SSE in addition to TARGET_SSE_MATH.
7831
7832         (ix86_excess_precision): Ditto.
7833         (ix86_float_exceptions_rounding_supported_p): Ditto.
7834         (use_rsqrt_p): Ditto.
7835         * config/i386/sse.md (rsqrt<mode>2): Ditto.
7836
7837 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
7838
7839         PR c/89410
7840         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
7841         linenum_arith_t when determining if two adjacent line spans are
7842         close enough to merge.
7843         (diagnostic_show_locus): Use linenum_arith_t when iterating over
7844         lines within each line_span.
7845
7846 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
7847
7848         PR target/86487
7849         * lra-constraints.c(uses_hard_regs_p): Fix handling of
7850         paradoxical SUBREGS.
7851
7852 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
7853
7854         PR target/88100
7855         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
7856         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
7857         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
7858         range checking it.
7859
7860 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
7861
7862         * config/gcn/gcn.c (print_operand): Fix typo.
7863
7864 2019-02-19  Richard Biener  <rguenther@suse.de>
7865
7866         PR middle-end/88074
7867         * toplev.c (do_compile): Initialize mpfr's exponent range
7868         based on available float modes.
7869
7870 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7871
7872         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
7873         as long as the epilogue isn't completed.
7874
7875 2019-02-18  Martin Sebor  <msebor@redhat.com>
7876
7877         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
7878         __has_cpp_attribute, and __has_include.
7879
7880 2019-02-18  Martin Sebor  <msebor@redhat.com>
7881
7882         * doc/invoke.texi (-Wreturn-type): Correct and expand.
7883
7884 2019-02-18  Martin Sebor  <msebor@redhat.com>
7885
7886         PR middle-end/89294
7887         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
7888         expression.
7889         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
7890
7891 2019-02-18  Richard Biener  <rguenther@suse.de>
7892
7893         PR tree-optimization/89296
7894         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
7895         of no-warning flag to cases that might emit the bogus warning.
7896
7897 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
7898
7899         PR bootstrap/88714
7900         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
7901         "q" constraint.
7902         * config/arm/vfp.md (*movdi_vfp): Likewise.
7903         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
7904         "q" constraint for operands[0].
7905
7906         PR target/89369
7907         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
7908         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
7909         pattern in a temporary buffer.
7910         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
7911         than 64-operands[2].
7912
7913         PR target/89361
7914         * config/s390/s390.c (s390_indirect_branch_attrvalue,
7915         s390_indirect_branch_settings): Define unconditionally.
7916         (s390_set_current_function): Likewise, but guard the whole body except
7917         the s390_indirect_branch_settings call with
7918         #if S390_USE_TARGET_ATTRIBUTE.
7919         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
7920
7921         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
7922         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
7923         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
7924         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
7925         HOST_WIDE_INT_1U instead of 1ULL.
7926         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
7927         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
7928         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
7929         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
7930         instead of 1UL.
7931         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
7932         instead of 1ul.
7933
7934 2019-02-18  Martin Jambor  <mjambor@suse.cz>
7935
7936         PR tree-optimization/89209
7937         * tree-sra.c (create_access_replacement): New optional parameter
7938         reg_tree.  Use it as a type if non-NULL and access type is not of
7939         a register type.
7940         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
7941         to create_access_replacement.
7942         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
7943         Check lacc is non-NULL before attempting to re-create it on the RHS.
7944
7945 2019-02-18  Martin Liska  <mliska@suse.cz>
7946
7947         PR ipa/89306
7948         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
7949         by default.
7950         (symbol_table::free_edge): Recycle m_summary_id.
7951         * cgraph.h (get_summary_id): New.
7952         (symbol_table::release_symbol): Set m_summary_id to -1
7953         by default.
7954         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
7955         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
7956         function_summary to fast_function_summary.
7957         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
7958         * ipa-pure-const.c (class funct_state_summary_t):
7959         Switch from function_summary to fast_function_summary.
7960         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
7961         (class ipa_ref_opt_summary_t): Switch from function_summary
7962         to fast_function_summary.
7963         * symbol-summary.h (class function_summary_base): New class
7964         that is created from base of former function_summary.
7965         (function_summary_base::unregister_hooks): New.
7966         (class function_summary): Inherit from function_summary_base.
7967         (class call_summary_base): New class
7968         that is created from base of former call_summary.
7969         (class call_summary): Inherit from call_summary_base.
7970         (struct is_same): New.
7971         (class fast_function_summary): New summary class.
7972         (class fast_call_summary): New summary class.
7973         * vec.h (vec_safe_grow_cleared): New function.
7974
7975 2019-02-18  Martin Liska  <mliska@suse.cz>
7976
7977         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
7978         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
7979         * doc/tm.texi: Document new target hook.
7980         * doc/tm.texi.in: Likewise.
7981         * target.def: Add new target macro.
7982         * gcc.c (find_fortran_preinclude_file): Do not search multilib
7983         suffixes.
7984
7985 2019-02-17  Alan Modra  <amodra@gmail.com>
7986
7987         PR target/89271
7988         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
7989         output reg on add insn.
7990         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
7991
7992 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
7993
7994         PR target/89372
7995         * config/i386/sse.md (ssedoublemode): Remove V4HI.
7996         (PMULHRSW): Likewise.
7997         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
7998         TARGET_AVX2.
7999         (ssse3_pmulhrswv4hi3): New expander.
8000
8001 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8002
8003         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
8004         MMX.  Add isa attribute.
8005
8006 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
8007
8008         PR rtl-optimization/66152
8009         * builtins.h (c_readstr): Declare.
8010         * builtins.c (c_readstr): Remove forward declaration.  Add
8011         null_terminated_p argument, if false, read all bytes from the
8012         string instead of stopping after '\0'.
8013         * expr.c (string_cst_read_str): New function.
8014         (store_expr): Use string_cst_read_str instead of
8015         builtin_strncpy_read_str.  Try to store by pieces the whole
8016         exp_len first, and only if that fails, split it up into
8017         store by pieces followed by clear_storage.  Formatting fix.
8018
8019         * config/i386/i386.md (*movqi_internal): Remove static from
8020         buf variable.  Use output_asm_insn (buf, operands); return "";
8021         instead of return buf;.
8022         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
8023         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
8024         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
8025
8026 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8027
8028         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
8029         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
8030         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
8031         (CC1_SPEC): Likewise.
8032         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
8033
8034 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8035
8036         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8037         the base address on 64-bit strict-alignment platforms.
8038
8039 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8040
8041         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8042
8043 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8044
8045         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8046
8047 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8048
8049         PR rtl-optimization/88308
8050         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8051         on copied instruction.
8052
8053 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8054
8055         * final.c (insn_current_reference_address): Replace test on JUMP_P
8056         with test on jump_to_label_p.
8057         * config/visium/visium-passes.def: New file.
8058         * config/visium/t-visium (PASSES_EXTRA): Define.
8059         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8060         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8061         (TRAMPOLINE_ALIGNMENT): Define.
8062         * config/visium/visium.c (visium_option_override): Do not register
8063         the machine-specific reorg pass here.
8064         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8065         for the GR6.
8066         (output_branch): Adjust threshold for long branch instruction.
8067         * config/visium/visium.md (cpu): Move around.
8068         (length): Adjust for the GR6.
8069
8070 2019-02-15  Richard Biener  <rguenther@suse.de>
8071             Jakub Jelinek  <jakub@redhat.com>
8072
8073         PR tree-optimization/89278
8074         * tree-loop-distribution.c: Include tree-eh.h.
8075         (generate_memset_builtin, generate_memcpy_builtin): Call
8076         rewrite_to_non_trapping_overflow on builtin->size before passing it
8077         to force_gimple_operand_gsi.
8078
8079 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8080
8081         PR other/89342
8082         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8083         optimize_debug.
8084         * opth-gen.awk: Likewise.
8085
8086 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8087
8088         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8089         Enable MMX, SSE and SSE2 by default.
8090         * config/i386/i386.c (ix86_option_override_internal): Do not
8091         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8092
8093 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8094
8095         PR rtl-optimization/89354
8096         * combine.c (make_extraction): Punt if extraction_mode is narrower
8097         than len bits.
8098
8099 2019-02-14  Maya Rashish  <coypu@sdf.org>
8100
8101         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8102         * config/netbsd-d.c: New file.
8103         * config/t-netbsd: Add netbsd-d.o
8104
8105 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8106
8107         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8108         affects_type_identity to true for aarch64_vector_pcs.
8109         (aarch64_comp_type_attributes): New function.
8110         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8111
8112 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8113
8114         PR target/88850
8115         * config/arm/iterators.md (ANY64): Add V4HF.
8116
8117 2019-02-14  Martin Liska  <mliska@suse.cz>
8118
8119         PR rtl-optimization/89242
8120         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8121         process a transformation.
8122
8123 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8124
8125         PR tree-optimization/89314
8126         * fold-const.c (fold_binary_loc): Cast strlen argument to
8127         const char * before dereferencing it.  Formatting fixes.
8128
8129         PR middle-end/89284
8130         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8131
8132 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8133
8134         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8135         and set current index for other optimizations.
8136
8137 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8138
8139         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8140         nonimmediate_operand as operand 2 predicate.
8141         (vec_set<VF2_512_256:mode>_0): Ditto.
8142         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8143         (*vec_concatv2si): Remove alternative 2.
8144         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8145         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8146         (vec_concatv2di): Split alternatives 4,5,6 to ...
8147         (*vec_concatv2di_0) ... new pattern.
8148
8149 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8150
8151         PR target/89190
8152         * config/arm/arm.c (ldm_stm_operation_p) Set
8153         addr_reg_in_reglist correctly for first register.
8154         (load_multiple_sequence): Remove dead base check.
8155         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8156
8157 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8158
8159         PR target/88847
8160         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8161         Expose as @aarch64_pred_mov.
8162         * config/aarch64/aarch64.c (aarch64_classify_address):
8163         Use expand_insn which legitimizes operands.
8164
8165 2019-02-13  Martin Liska  <mliska@suse.cz>
8166
8167         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8168         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8169         and pointer_offset fields.
8170         (initialize_argument_information): Remove usage of dead
8171         fields.
8172         * cgraph.h (struct cgraph_thunk_info): Remove
8173         add_pointer_bounds_args.
8174         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8175         fields.
8176         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8177         fields.
8178         * config/i386/i386.c (ix86_function_arg_advance): Remove
8179         unrelated comment.
8180         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8181         (def_builtin):  Remove usage of dead
8182         fields.
8183         (ix86_add_new_builtins): Likewise.
8184         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8185         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8186         (sem_function::init): Likewise.
8187         (sem_variable::merge): Likewise.
8188         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8189         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8190         * lto-cgraph.c (lto_output_node): Likewise.
8191         (lto_output_varpool_node): Likewise.
8192         (input_node): Likewise.
8193         (input_varpool_node): Likewise.
8194         * lto-streamer-out.c (lto_output): Likewise.
8195         * tree-inline.c (expand_call_inline): Remove usage of
8196         assign_stmts.
8197         * tree-inline.h (struct copy_body_data): Likewise.
8198         * varpool.c (varpool_node::dump): Likewise.
8199
8200 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8201
8202         PR middle-end/89303
8203         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8204         into pt->vars_contains_escaped_heap instead of setting
8205         pt->vars_contains_escaped_heap to it.
8206
8207         PR middle-end/89281
8208         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8209         INTVAL (size), compare it to GET_MODE_MASK instead of
8210         1 << GET_MODE_BITSIZE.
8211
8212         PR target/89290
8213         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8214         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8215         -mcmodel=large.
8216
8217 2019-02-13  Martin Liska  <mliska@suse.cz>
8218
8219         PR lto/88858
8220         * cfgrtl.c (remove_barriers_from_footer): New function.
8221         (try_redirect_by_replacing_jump): Use it.
8222         (cfg_layout_redirect_edge_and_branch): Likewise.
8223
8224 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8225
8226         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8227         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8228         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8229         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8230         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8231         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8232         New BU_CRYPTO_2.
8233         * config/rs6000/rs6000.c (builtin_function_type)
8234         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8235         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8236         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8237         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8238         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8239
8240 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8241
8242         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8243         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8244
8245 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8246
8247         PR target/89229
8248         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8249         268678 and revision 268657.
8250         (*movti_internal): Likewise.
8251
8252 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8253
8254         PR target/89233
8255         * config/s390/s390.c (s390_decompose_address): Update comment.
8256         (s390_check_qrst_address): Reject invalid address forms after
8257         LRA.
8258
8259 2019-02-12  Martin Liska  <mliska@suse.cz>
8260
8261         PR lto/88876
8262         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8263         we need default values of funct_state for a function that
8264         is not optimized.
8265
8266 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8267
8268         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8269         the object to pick the size of stores on strict-alignment platforms.
8270
8271         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8272         (*movdi_insn_sp32): Likewise.
8273         (*movdi_insn_sp64): Likewise.
8274
8275 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8276
8277         PR lto/88677
8278         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8279         types that needs constructiong.
8280         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8281
8282 2019-02-12  Richard Biener  <rguenther@suse.de>
8283
8284         PR tree-optimization/89253
8285         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8286         duplicate the loop.
8287
8288 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8289
8290         PR lto/88147
8291         * input.c (selftest::test_line_offset_overflow): New selftest.
8292         (selftest::input_c_tests): Call it.
8293
8294 2019-02-11  Martin Sebor  <msebor@redhat.com>
8295
8296         PR tree-optimization/88771
8297         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8298         when -Wstringop-overflow is set.
8299         (builtin_memref::builtin_memref): Adjust excessive upper bound
8300         only when lower bound is not excessive.
8301         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8302         -Wstringop-ovefflow.
8303         (maybe_diag_offset_bounds): Rename...
8304         (maybe_diag_access_bounds): ...to this.
8305         (check_bounds_or_overlap): Adjust for name change above.
8306
8307 2019-02-11  Martin Sebor  <msebor@redhat.com>
8308
8309         PR c++/87996
8310         * builtins.c (max_object_size): Move from here...
8311         * builtins.h (max_object_size): ...and here...
8312         * tree.c (max_object_size): ...to here...
8313         * tree.h (max_object_size): ...and here.
8314
8315 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8316
8317         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8318         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8319         for correct semantics.
8320
8321 2019-02-11  Alan Modra  <amodra@gmail.com>
8322
8323         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8324         -mlongcall and -mpltseq.
8325         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8326         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8327         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8328         * config/rs6000/sysv4.opt (mpltseq): New option.
8329         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8330         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8331         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8332         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8333         -mpltseq given for ELFv1.
8334         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8335         Only use UNSPEC_PLTSEQ for inline PLT calls.
8336         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8337         use UNSPEC_PLTSEQ for inline PLT calls.
8338         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8339         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8340         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8341         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8342         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8343         (pltseq_mtctr_<mode>): Likewise.
8344
8345 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8346
8347         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8348         Solaris ld.
8349         * configure: Regenerate.
8350
8351 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8352
8353         PR bootstrap/88714
8354         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8355         instead of r.
8356
8357 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8358
8359         * function.c (assign_parm_setup_block): Use the stored
8360         size, not the passed size, when allocating stack-space,
8361         also for a parameter with alignment larger than
8362         MAX_SUPPORTED_STACK_ALIGNMENT.
8363
8364 2019-02-11  Martin Liska  <mliska@suse.cz>
8365
8366         PR ipa/89009
8367         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8368         * ipa-inline.c (inline_small_functions): Likewise.
8369         * ipa-pure-const.c (propagate_pure_const): Likewise.
8370         (propagate_nothrow): Likewise.
8371         * ipa-reference.c (propagate): Likewise.
8372         * ipa-utils.c (struct searchc_env): Remove unused field.
8373         (searchc): Always search across AVAIL_INTERPOSABLE.
8374         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8375         the only called IPA pure const can properly not propagate
8376         across interposable boundary.
8377         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8378
8379 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8380
8381         * config/nds32/nds32.md (call_internal, call_value_internal,
8382         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8383
8384 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8385
8386         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8387         typo.
8388
8389 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8390
8391         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8392         in comments
8393
8394 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8395
8396         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8397
8398 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8399
8400         PR tree-optimization/89268
8401         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8402         if preds is non-NULL.
8403
8404 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8405
8406         PR lto/89272
8407         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8408         polymorphic types.
8409
8410 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8411
8412         * config/nds32/nds32.md (trap): New pattern.
8413
8414 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8415
8416         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8417         dwarf span.
8418
8419 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8420
8421         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8422         to split POST_INC.
8423
8424 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8425
8426         * ipa-visibility.c (localize_node): Also do not localize
8427         LDPR_PREVAILING_DEF_IRONLY_EXP.
8428
8429 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8430
8431         PR lto/87957
8432         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8433         instead of type_with_linkage.
8434
8435 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8436
8437         PR ipa/88755
8438         * params.def (uninlined-function-insns, uninlined-function-time,
8439         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8440         bound so we don't get overflows.
8441
8442 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8443
8444         * config/rs6000/rs6000-string.c (expand_compare_loop,
8445         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8446         memcmp/strncmp.
8447
8448 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8449
8450         PR middle-end/89246
8451         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8452         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8453         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8454
8455 2019-02-09  Alan Modra  <amodra@gmail.com>
8456
8457         PR target/88343
8458         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8459         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8460         setup.
8461
8462 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8463
8464         PR middle-end/88560
8465         * lra-constraints.c (process_alt_operands): Don't increase reject
8466         for memory when offset memory is required.
8467
8468 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8469
8470         * config/s390/vector.md: Implement vector copysign.
8471
8472 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8473
8474         * expr.c (expand_constructor): Correct indentations.
8475
8476 2019-02-08  Richard Biener  <rguenther@suse.de>
8477
8478         PR tree-optimization/89247
8479         * tree-if-conv.c: Include tree-cfgcleanup.h.
8480         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8481         (tree_if_conversion): Pass through predicate vector.
8482         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8483         inline, see if any if-converted loops we refrece in
8484         LOOP_VECTORIZED calls vanished and fixup.
8485         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8486
8487 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8488
8489         * config/s390/constraints.md (jdd): New constraint.
8490
8491 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8492
8493         PR target/89229
8494         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8495         upper 16 vector registers without TARGET_AVX512VL.
8496         (*movti_internal): Likewise.
8497
8498 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8499
8500         PR rtl-optimization/89234
8501         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8502         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8503         (copy_reg_eh_region_note_backward): Likewise.
8504
8505 2019-02-08  Richard Biener  <rguenther@suse.de>
8506
8507         PR middle-end/89223
8508         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8509         doesn't fit in HWI.
8510         (analyze_subscript_affine_affine): Handle failure from
8511         initialize_matrix_A.
8512
8513 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8514
8515         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8516         cfun everywhere.
8517
8518 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8519
8520         PR tree-optimization/86637
8521         PR tree-optimization/89235
8522         * tree-vect-loop.c (optimize_mask_stores): Add an
8523         auto_purge_vect_location sentinel to ensure that vect_location is
8524         purged on exit.
8525         * tree-vectorizer.c
8526         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8527         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8528         to ensure that vect_location is purged on exit.
8529         (pass_slp_vectorize::execute): Likewise, replacing the manual
8530         reset.
8531         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8532
8533 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8534
8535         * config/aarch64/iterators.md (max_opp): New code_attr.
8536         (USMAX): New code iterator.
8537         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8538         (aarch64_smax): Likewise.
8539         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8540         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8541         MINUS (MAX MIN).
8542
8543 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8544
8545         PR target/89229
8546         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8547         for TARGET_AVX512VL.
8548         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8549
8550 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8551
8552         * config/s390/s390-builtin-types.def: Add new types.
8553         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8554         (s390_vec_xlw4): Make the memory operand into a const pointer.
8555         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8556         float.
8557         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8558         a new vector type with the alignment of the scalar memory operand.
8559
8560 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8561             Jakub Jelinek  <jakub@redhat.com>
8562
8563         PR bootstrap/88714
8564         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8565         arm_count_ldrdstrd_insns): New declarations.
8566         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8567         MINUS.
8568         (valid_operands_ldrd_strd): New function.
8569         (arm_count_ldrdstrd_insns): New function.
8570         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8571         sets instead of single DImode set and define new insns to match this.
8572
8573 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8574
8575         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8576         Make it a C initializer.
8577
8578 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8579
8580         PR/target 88850
8581         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8582
8583 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8584
8585         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8586         Use neon_dot<q> for type.
8587         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8588
8589 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8590
8591         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8592         Use neon_dot<q> for type.
8593         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8594         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8595
8596 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8597
8598         PR rtl-optimization/89225
8599         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8600         sizes check.
8601
8602 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8603
8604         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8605         after restoring registers saved to allocate the frame on Windows.
8606
8607 2019-02-06  Richard Biener  <rguenther@suse.de>
8608
8609         PR tree-optimization/89182
8610         * graphite.h (cached_scalar_evolution_in_region): Declare.
8611         * graphite.c (struct seir_cache_key): New.
8612         (struct sese_scev_hash): Likewise.
8613         (seir_cache): New global.
8614         (cached_scalar_evolution_in_region): New function.
8615         (graphite_transform_loops): Allocate and release seir_cache.
8616         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8617         cached_scalar_evolution_in_region.
8618         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8619         Simplify.
8620         (scop_detection::graphite_can_represent_expr: Use
8621         cached_scalar_evolution_in_region.
8622         (scop_detection::stmt_simple_for_scop_p): Likewise.
8623         (find_params_in_bb): Likewise.
8624         (gather_bbs::before_dom_children): Likewise.
8625         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8626         (add_loop_constraints): Likewise.
8627
8628 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8629
8630         PR middle-end/89210
8631         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8632         operand to new_unary_operation only if both element types are integral
8633         and it isn't a widening conversion.  Return NULL_TREE if
8634         new_unary_operation failed.
8635
8636 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8637
8638         PR target/88856
8639         * config/s390/s390.md: Remove load and test FP splitter.
8640
8641 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8642
8643         PR target/89112
8644         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8645         expand_compare_loop, expand_block_compare_gpr,
8646         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8647         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8648         #include "profile-count.h" and "predict.h" for types and functions
8649         needed to work with REG_BR_PROB notes.
8650
8651 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8652
8653         PR target/89112
8654         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8655         for the long branch case.
8656
8657 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8658
8659         PR target/89188
8660         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8661         can throw, non-call exceptions are enabled and we can't delete
8662         dead exceptions or alter cfg.  Set must_clean if
8663         delete_insn_and_edges returns true, don't set it blindly for calls.
8664         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8665
8666         PR rtl-optimization/89195
8667         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8668         of the original MEM.
8669
8670 2019-02-05  Martin Liska  <mliska@suse.cz>
8671
8672         PR gcov-profile/89000
8673         * gcov.c (function_summary): Remove argument.
8674         (file_summary): New function.
8675         (print_usage): Replace tabs with spaces.
8676         (generate_results): Use new function file_summary.
8677
8678 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8679
8680         PR target/89186
8681         * optabs.c (prepare_cmp_insn): Pass x and y to
8682         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8683
8684 2019-02-05  Richard Biener  <rguenther@suse.de>
8685
8686         PR middle-end/89150
8687         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8688         (struct bitmap_element): Drop chain_prev so we properly recurse on
8689         the prev member, supporting tree views.
8690         (struct bitmap_head): GTY skip the obstack member.
8691
8692 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8693
8694         PR c/88698
8695         * doc/extend.texi (Vector Extensions): Add an example of using vector
8696         types together with x86 intrinsics.
8697
8698 2019-02-04  Alan Modra  <amodra@gmail.com>
8699
8700         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8701         str[] size to 160, and comment.
8702
8703 2019-02-04  Alan Modra  <amodra@gmail.com>
8704
8705         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8706         (rs6000_pltseq_template): Guard output of TLS markers with
8707         TARGET_TLS_MARKERS.
8708         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8709         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8710         to use inline PLT sequences.
8711         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8712         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8713         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8714
8715 2019-02-04  Martin Liska  <mliska@suse.cz>
8716
8717         PR ipa/88985
8718         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8719         out when ipa_fn_summaries does not contain entry for callee.
8720
8721 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8722
8723         * config/sparc/sparc.h: Remove superfluous blank lines.
8724         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8725         (got_register_rtx): ...this.
8726         (sparc_got): Adjust to above renaming.
8727         (sparc_tls_got): Likewise.
8728         (sparc_delegitimize_address): Likewise.
8729         (sparc_output_mi_thunk): Likewise.
8730         (sparc_init_pic_reg): Likewise.
8731         (save_local_or_in_reg_p): Fix test on the GOT register.
8732         (USE_HIDDEN_LINKONCE): Move around.
8733         (get_pc_thunk_name): Likewise.
8734         (gen_load_pcrel_sym): Likewise.
8735         (load_got_register): Likewise.
8736
8737 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8738
8739         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8740         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8741
8742 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8743
8744         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8745         into consideration.
8746
8747 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8748
8749         * config.gcc (with_nds32_lib, glibc):
8750         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8751         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8752         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8753
8754 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8755
8756         PR target/89071
8757         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8758         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8759         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8760         (*rcpsf2_sse): Ditto.
8761         (*rsqrtsf2_sse): Ditto.
8762         (sse4_1_round<mode<2): Ditto.
8763
8764 2019-02-03  Richard Biener  <rguenther@suse.de>
8765
8766         PR debug/87295
8767         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8768         orig.
8769
8770 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8771
8772         PR middle-end/87887
8773         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8774         Punt with warning on aggregate return or argument types.  Ignore
8775         type/mode checking for uniform arguments.
8776
8777 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8778
8779         * combine.c (try_combine): Do not print "Can't combine" messages unless
8780         printing failed combination attempts.
8781
8782 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8783
8784         PR hsa/87863
8785         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8786         segment and global segment variables before making them static.
8787
8788 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8789
8790         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8791         missed optimization dump with dump_enabled_p.
8792
8793 2019-02-01  Richard Biener  <rguenther@suse.de>
8794
8795         PR middle-end/88597
8796         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8797         the instantiate cache.
8798         (instantiate_scev_binary): Elide second operand procesing
8799         if equal to the first.
8800         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8801         (chrec_contains_undetermined): Likewise.
8802         (tree_contains_chrecs): Likewise.
8803
8804 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8805
8806         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8807
8808 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8809
8810         PR tree-optimization/89143
8811         * wide-int-range.h (wide_int_range_absu): Declare.
8812         * wide-int-range.cc (wide_int_range_absu): New function.
8813         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8814
8815         PR tree-optimization/88107
8816         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8817         instead of assertion that eh_region_outermost is non-NULL, if it
8818         is NULL, set *ALL to true and return NULL.
8819         (move_sese_region_to_fn): Adjust caller, if all is set, call
8820         duplicate_eh_regions with NULL region.
8821
8822 2019-02-01  Richard Biener  <rguenth@suse.de>
8823
8824         PR rtl-optimization/88593
8825         * mode-switching.c (optimize_mode_switching): Free dominators before
8826         calling cleanup_cfg.
8827
8828 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8829
8830         PR tree-optimization/88932
8831         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
8832
8833 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8834
8835         PR middle-end/89137
8836         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
8837         bogus clang warning.
8838
8839 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
8840
8841         PR target/89071
8842         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
8843         alternative to avoid partial SSE register stall for TARGET_AVX.
8844         (truncdfsf2): Ditto.
8845         (sse4_1_round<mode>2): Ditto.
8846
8847 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
8848
8849         PR tree-optimization/89008
8850         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
8851         process anything of the form X * 0.
8852
8853 2019-01-31  Richard Biener  <rguenther@suse.de>
8854
8855         PR tree-optimization/89135
8856         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
8857         with abnormal preds.
8858
8859 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
8860
8861         PR sanitizer/89124
8862         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
8863         always_inline callees into no_sanitize_address callers.
8864
8865 2019-01-31  Richard Biener  <rguenther@suse.de>
8866
8867         PR rtl-optimization/89115
8868         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
8869
8870 2019-01-30  Martin Sebor  <msebor@redhat.com>
8871
8872         PR other/89106
8873         * doc/extend.texi (cast to a union): Correct and expand.
8874
8875 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
8876
8877         PR rtl-optimization/87246
8878         * lra-constraints.c (simplify_operand_subreg): Reload memory
8879         in subreg if the address became invalid.
8880
8881 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
8882
8883         PR target/87064
8884         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
8885         Disable for little-endian.
8886
8887 2019-01-30  Richard Biener  <rguenther@suse.de>
8888
8889         PR rtl-optimization/89115
8890         * opts.c (default_options_optimization): Reduce
8891         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
8892         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
8893         to the default.
8894
8895 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8896
8897         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
8898         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
8899         type of vector element when vec_extract is implemented by direct
8900         move.
8901
8902 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
8903
8904         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
8905
8906 2019-01-30  Richard Biener  <rguenther@suse.de>
8907
8908         PR tree-optimization/89111
8909         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
8910         canonicalization to appropriately sized access types.
8911
8912 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
8913
8914         PR c++/89105
8915         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
8916         for arguments to functions that are TU-local and shouldn't be
8917         referenced by assembly.
8918
8919 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
8920
8921         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
8922         after '='.
8923
8924 2019-01-29  Martin Sebor  <msebor@redhat.com>
8925
8926         PR c/88956
8927         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
8928
8929 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
8930
8931         PR c++/66676
8932         PR ipa/89104
8933         * omp-simd-clone.c (simd_clone_clauses_extract)
8934         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
8935         OMP_CLAUSE_ALIGNED_ALIGNMENT.
8936
8937 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
8938
8939         * config.gcc: Force .init_array for ARC.
8940
8941 2019-01-29  Richard Biener  <rguenther@suse.de>
8942
8943         PR debug/87295
8944         * dwarf2out.c (collect_skeleton_dies): New helper.
8945         (copy_decls_for_unworthy_types): Call it.
8946         (build_abbrev_table): Assert we do not try to replace
8947         DW_AT_signature refs with local refs.
8948
8949 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8950
8951         PR middle-end/89002
8952         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
8953         for lastprivate/linear IV, push gimplify context around gimplify_assign
8954         and, if it needed any temporaries, pop it into a gimple bind around the
8955         sequence.
8956
8957 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8958
8959         * common.opt (-Wattribute-alias): Remove "no-" from name.
8960         Make -Wattribute-alias command line option and
8961         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
8962
8963 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
8964
8965         PR target/89073
8966         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
8967         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
8968         x86 ISA options.
8969         (bmi2): Add missing @opindex.
8970         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
8971         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
8972         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
8973         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
8974         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
8975         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
8976         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
8977         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
8978         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
8979         xsavec, xsaveopt and xsaves options.
8980
8981 2019-01-28  Richard Biener  <rguenther@suse.de>
8982
8983         PR debug/89076
8984         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
8985         support removal.
8986
8987 2019-01-28  Richard Biener  <rguenther@suse.de>
8988
8989         PR tree-optimization/88739
8990         * tree-cfg.c (verify_types_in_gimple_reference): Verify
8991         BIT_FIELD_REFs only are applied to mode-precision operands
8992         when they are integral.
8993         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
8994         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
8995         BIT_FIELD_REFs of non-mode-precision integral operands.
8996
8997 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
8998
8999         PR target/87214
9000         * config/i386/sse.md
9001         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
9002         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
9003         first constants in pairs are multiples of 2.  Formatting fixes.
9004         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
9005         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
9006         first constants in each quadruple are multiples of 4.  Formatting fixes.
9007
9008 2019-01-26  Martin Jambor  <mjambor@suse.cz>
9009
9010         PR ipa/88933
9011         * tree-inline.c: Include tree-cfgcleanup.h.
9012         (delete_unreachable_blocks_update_callgraph): Move...
9013         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
9014         ...here, make externally visible, make second argument bool, adjust
9015         all callers.
9016         * tree-cfgcleanup.c: Include cgraph.h.
9017         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
9018         Declare.
9019         * ipa-prop.c: Include tree-cfgcleanup.h.
9020         (ipcp_transform_function): Call
9021         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
9022
9023 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
9024
9025         PR rtl-optimization/88846
9026         * ira.c (process_set_for_memref_referenced_p): New.
9027         (memref_referenced_p): Add new param.  Use
9028         process_set_for_memref_referenced_p.  Add new switch cases.
9029         (memref_used_between_p): Pass new arg to memref_referenced_p.
9030
9031 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
9032
9033         PR target/88469
9034         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9035         argument ABI_BREAK.  Set to true if the calculated alignment has
9036         changed in gcc-9.  Check bit-fields for their base type alignment.
9037         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9038         (aarch64_function_arg_boundary): Likewise.
9039         (aarch64_gimplify_va_arg_expr): Likewise.
9040
9041 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9042
9043         PR middle-end/89037
9044         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9045         instead of accessing TREE_INT_CST_ELT directly.
9046
9047 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9048
9049         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9050         fenv_exceptions description.
9051
9052 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9053
9054         PR rtl-optimization/87763
9055         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9056         Allow SUBREG when matching CC_NZmode compare.
9057
9058 2019-01-25  Richard Biener  <rguenther@suse.de>
9059
9060         PR tree-optimization/89049
9061         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9062         Look at the pattern stmt to determine if the stmt is vectorized.
9063
9064 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9065
9066         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9067         (pred_mov<mode>): Handle all-register forms using both a new
9068         alternative and a split.
9069
9070 2019-01-25  Richard Biener  <rguenther@suse.de>
9071
9072         PR tree-optimization/86865
9073         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9074         Reject non-do-while loops.
9075
9076 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9077
9078         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9079         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9080         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9081         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9082         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9083         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9084         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9085         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9086         vlogical_operand, gpc_reg_operand, int_reg_operand,
9087         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9088         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9089         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9090         (save_world_operation, restore_world_operation, lmw_operation,
9091         stmw_operation): Use MEM_P and REG_P.
9092         (tie_operand): Use MEM_P.
9093         (vrsave_operation, crsave_operation): Use REG_P.
9094         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9095         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9096         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9097         (call_operand): Use HARD_REGISTER_P.
9098         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9099         Use CONST_INT_P.
9100         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9101         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9102         quad_aligned_load_p, replace_swapped_aligned_store,
9103         recombine_lvx_pattern, replace_swapped_aligned_load,
9104         recombine_stvx_pattern): Use MEM_P.
9105         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9106         Use MEM_P and SYMBOL_REF_P.
9107         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9108         (insn_is_swappable_p): Use REG_P and MEM_P.
9109         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9110         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9111         Use CONST_INT_P.
9112         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9113         Use CONST_DOUBLE_P.
9114         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9115         CONST_WIDE_INT_P.
9116         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9117         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9118         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9119         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9120         reg_or_subregno:
9121         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9122         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9123         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9124         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9125         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9126         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9127         rs6000_split_logical_di): Use CONST_INT_P.
9128         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9129         REG_P and SYMBOL_REF_P.
9130         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9131         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9132         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9133         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9134         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9135         (small_data_operand, print_operand_address): Use CONST_INT_P and
9136         SYMBOL_REF_P.
9137         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9138         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9139         Use HARD_REGISTER_NUM_P.
9140         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9141         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9142         SUBREG_P and SYMBOL_REF_P.
9143         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9144         and HARD_REGISTER_NUM_P.
9145         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9146         reg_or_subregno.
9147         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9148         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9149         MEM_P and REG_P.
9150         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9151         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9152         find_addr_reg): Use REG_P.
9153         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9154         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9155         (offsettable_ok_by_alignment, constant_pool_expr_p,
9156         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9157         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9158         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9159         rs6000_assemble_integer, create_TOC_reference,
9160         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9161         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9162         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9163         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9164         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9165         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9166         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9167         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9168         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9169         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9170         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9171         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9172         and cbranch<mode>4): Use CONST_INT_P.
9173         (multiple define_splits): Use REG_P and SUBREG_P.
9174         (define_expands call, call_value): Use MEM_P.
9175         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9176         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9177         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9178         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9179         and HARD_REGISTER_NUM_P.
9180         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9181
9182 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9183
9184         PR rtl-optimization/88948
9185         * rtl.h (prepare_copy_insn): New prototype.
9186         * gcse.c (prepare_copy_insn): New function, split out from
9187         process_insert_insn.
9188         (process_insert_insn): Use prepare_copy_insn.
9189         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9190         instead of gen_move_insn.
9191
9192 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9193
9194         PR debug/89006
9195         * config/i386/i386.c (ix86_pic_register_p): Return true for
9196         UNSPEC_SET_GOT too.
9197
9198         PR tree-optimization/88964
9199         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9200         punt if HONOR_SNANS (chrec).
9201
9202         PR middle-end/89015
9203         * tree-nested.c (convert_nonlocal_reference_stmt,
9204         convert_local_reference_stmt, convert_tramp_reference_stmt,
9205         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9206         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9207         or GIMPLE_OMP_TASK.
9208
9209         PR tree-optimization/89027
9210         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9211         for "omp simd array" variables.
9212
9213 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9214
9215         PR target/88469
9216         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9217         force the alignment of m_val.
9218
9219 2019-01-24  Richard Biener  <rguenther@suse.de>
9220
9221         PR lto/87187
9222         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9223         When in "legacy" debug mode make sure to reset self-origins.
9224
9225 2019-01-24  Martin Liska  <mliska@suse.cz>
9226
9227         PR gcov-profile/88994
9228         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9229         result will be always smaller or equal to the original.
9230         * gcov.c (mangle_name): Fix else branch where we should
9231         also copy to PTR and shift the pointer.
9232
9233 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9234
9235         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9236         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9237
9238 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9239
9240         * common/config/i386/i386-common.c
9241         (OPTION_MASK_ISA_ENQCMD_SET,
9242         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9243         (ix86_handle_option): Handle -menqcmd.
9244         * config.gcc (enqcmdintrin.h): New header file.
9245         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9246         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9247         -menqcmd.
9248         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9249         function type.
9250         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9251         __builtin_ia32_enqcmds): New builtins.
9252         * config/i386/i386-c.c (__ENQCMD__): New macro.
9253         * config/i386/i386-option.c (ix86_target_string): Add
9254         -menqcmd.
9255         (ix86_valid_target_attribute_inner_p): Likewise.
9256         * config/i386/i386-expand.c
9257         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9258         IX86_BUILTIN_ENQCMDS.
9259         * config/i386/i386.h (TARGET_ENQCMD): New.
9260         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9261         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9262         (movdir64b_<mode>): Parameterize to enable share expansion code
9263         with ENQCMD in function ix86_expand_builtin.
9264         * config/i386/i386.opt: Add -menqcmd.
9265         * config/i386/immintrin.h: Include enqcmdintrin.h.
9266         * config/i386/enqcmdintrin.h: New intrinsic file.
9267         * doc/invoke.texi: Add -menqcmd.
9268
9269 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9270             Steve Ellcey <sellcey@marvell.com>
9271
9272         PR target/85711
9273         * recog.c (address_operand): Return false on wrong mode for address.
9274         (constrain_operands): Check for mode with 'p' constraint.
9275
9276 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9277
9278         PR target/88998
9279         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9280         Disparage MMX alternative.
9281         (sse2_cvtpd2pi): Ditto.
9282         (sse2_cvttpd2pi): Ditto.
9283
9284 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9285
9286         PR driver/89014
9287         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9288         use-after-free of the result of
9289         aarch64_get_extension_string_for_isa_flags.
9290
9291 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9292
9293         PR c/44715
9294         * doc/extend.texi: Document break and continue behavior in
9295         statement expressions.
9296
9297 2019-01-23  Richard Biener  <rguenther@suse.de>
9298
9299         PR tree-optimization/89008
9300         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9301         not leave another stray operand.
9302
9303 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9304
9305         * BASE-VER: Bump to 9.0.1.
9306
9307 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9308
9309         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9310         thunk that returns by reference, use the type of the return object
9311         of the thunk instead of that of the alias to build the dereference.
9312
9313 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9314
9315         * config/arc/atomic.md: Add operand to DMB instruction.
9316
9317 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9318
9319         PR tree-optimization/88964
9320         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9321         build_zero_cst instead of build_int_cst.  Return false for loop
9322         invariants which honor signed zeros.
9323
9324 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9325
9326         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9327
9328 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9329
9330         PR target/88965
9331         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9332         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9333         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9334
9335         PR middle-end/88968
9336         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9337         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9338
9339         PR target/87064
9340         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9341         Disable for little endian.
9342
9343 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9344
9345         PR target/88469
9346         * config/arm/arm.c (arm_needs_double_word_align): Check
9347         DECL_BIT_FIELD_TYPE.
9348
9349 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9350             H.J. Lu  <hongjiu.lu@intel.com>
9351
9352         PR target/88909
9353         * config/i386/i386-builtin.def: Add mask2 to all builtin
9354         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9355         SPECIAL_ARGS.
9356         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9357         (BDESC_FIRST): Likewise.
9358         (define_builtin): Add an argument for mask2.  Updated to handle
9359         both ix86_isa_flags and ix86_isa_flags2.
9360         (define_builtin_const): Likewise.
9361         (define_builtin_pure): Likewise.
9362         (define_builtin2): Deleted.
9363         (define_builtin_const2): Likewise.
9364         (builtin_description): Add a member, mask2.
9365         (bdesc_*): Add mask2 to builtin initializations.
9366         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9367         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9368         support.
9369         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9370
9371 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9372
9373         PR target/88954
9374         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9375         noplt attribute.
9376
9377 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9378
9379         PR target/88469
9380         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9381         alignment is dominated by a bitfield with 64-bit aligned base type.
9382         (arm_function_arg): Emit a warning if the alignment has changed since
9383         earlier GCC releases.
9384         (arm_function_arg_boundary): Likewise.
9385         (arm_setup_incoming_varargs): Likewise.
9386
9387 2019-01-22  Richard Biener  <rguenther@suse.de>
9388
9389         PR tree-optimization/88862
9390         * graphite-scop-detection.c
9391         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9392
9393 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9394
9395         * doc/extend.tex (AMD GCN Function Attributes): New section.
9396         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9397         * doc/invoke.texi (AMD GCN Options): New section.
9398         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9399
9400 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9401
9402         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9403         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9404
9405 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9406
9407         PR tree-optimization/88044
9408         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9409         is false in the first iteration, but !every_iteration, return false
9410         instead of true with niter->niter zero.
9411
9412         PR rtl-optimization/88904
9413         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9414         any nonequal registers before processing BB_END (b).
9415
9416         PR target/88905
9417         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9418         GET_MODE (op0).
9419         (expand_binop_directly, expand_doubleword_clz,
9420         expand_doubleword_popcount, expand_ctz, expand_ffs,
9421         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9422
9423         PR rtl-optimization/49429
9424         PR target/49454
9425         PR rtl-optimization/86334
9426         PR target/88906
9427         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9428         addressable from here...
9429         (emit_block_op_via_libcall): ... to here.
9430
9431 2019-01-22  Richard Biener  <rguenther@suse.de>
9432
9433         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9434         auto_vec for cost vector to fix memleak.
9435         (vectorize_fold_left_reduction): Properly gather SLP defs.
9436         (vectorizable_comparison): Do not swap operands to properly
9437         gather SLP defs.
9438
9439 2019-01-22  Alan Modra  <amodra@gmail.com>
9440
9441         PR target/88614
9442         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9443         stays a reg.  Allow a const_int.
9444         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9445         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9446         (IS_NOMARK_TLSGETADDR): Define.
9447         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9448         (rs6000_output_tlsargs): New function.
9449         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9450         __tls_get_addr call takes an arg.
9451         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9452         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9453         delete split..
9454         (call_value_nonlocal_sysv): ..or here, delete split.
9455         (tls_gdld_nomark): Delete.
9456         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9457         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9458         (call_value_nonlocal_sysv): Likewise.
9459         (call_value_nonlocal_sysv_secure): Likewise.
9460         (call_value_nonlocal_aix): Likewise.
9461         (call_value_indirect_aix): Likewise.
9462         (call_value_indirect_elfv2): Likewise.
9463         (call_value_local32, call_value_local64): Disable for no-mark tls.
9464         (call_value_local_aix): Likewise.
9465
9466 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9467
9468         PR target/88938
9469         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9470         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9471
9472 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9473
9474         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9475         string contents as hash_map keys.
9476
9477 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9478
9479         PR c/88928
9480         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9481         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9482         instead of TYPE_ALIGN.
9483         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9484         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9485         pointer from TYPE_STUB_DECL.
9486
9487 2019-01-21  Richard Biener  <rguenther@suse.de>
9488
9489         PR tree-optimization/88934
9490         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9491         at the possibly non-constant operand.
9492         (vect_get_constant_vectors): Adjust.
9493
9494 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9495
9496         PR target/71659
9497         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9498         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9499         instead of _X86INTRIN_H_INCLUDED.
9500         * onfig/i386/clwbintrin.h: Likewise.
9501         * config/i386/pkuintrin.h: Likewise.
9502         * config/i386/prfchwintrin.h: Likewise.
9503         * config/i386/rdseedintrin.h: Likewise.
9504         * config/i386/wbnoinvdintrin.h: Likewise.
9505         * config/i386/xsavecintrin.h: Likewise.
9506         * config/i386/xsavesintrin.h: Likewise.
9507         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9508         * config/i386/xsaveintrin.h: Likewise.
9509         * config/i386/xsaveoptintrin.h: Likewise.
9510         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9511         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9512         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9513         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9514         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9515         * config/i386/immintrin.h: Here.
9516
9517 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9518
9519         PR ipa/87615
9520         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9521         with aa_walk_budget.
9522         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9523         aa_walk_budget_p parameter.
9524         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9525         walk.  Updated all callers.
9526         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9527         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9528         unmodified_parm.
9529         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9530         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9531         and to unmodified_parm.
9532         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9533         info, updated call to will_be_nonconstant_expr_predicate.
9534         (param_change_prob): New parameter fbi, limit AA walking.
9535         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9536         calls to various above functions.
9537         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9538         parameter.  Use it to limit AA walking.
9539         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9540         fbi, limit AA walk.
9541         (detect_type_change): New parameter fbi, pass it on to
9542         detect_type_change_from_memory_writes.
9543         (detect_type_change_ssa): Likewise.
9544         (aa_overwalked): Removed.
9545         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9546         accordingly, adjust to the neew AA limiting scheme.
9547         (parm_ref_data_preserved_p): Likewise.
9548         (ipa_compute_jump_functions_for_edge): Adjust call to
9549         get_dynamic_type.
9550         (ipa_analyze_call_uses): Likewise.
9551         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9552         (ipa_analyze_node): Initialize aa_walk_budget.
9553         (ipcp_transform_function): Likewise.
9554         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9555         to get_dynamic_type.
9556
9557 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9558
9559         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9560         outside of #if CHECKING_P code.
9561
9562 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9563
9564         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9565         New function, split out from...
9566         (loop_versioning::analyze_stride): ...here.
9567         (loop_versioning::find_per_loop_multiplication): Use gassign.
9568         (loop_versioning::analyze_term_using_scevs): Return a success code.
9569         (loop_versioning::analyze_arbitrary_term): New function.
9570         (loop_versioning::analyze_address_fragment): Use
9571         analyze_arbitrary_term if all else fails.
9572
9573 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9574
9575         PR target/88892
9576         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9577         operands.
9578
9579 2019-01-18  Richard Biener  <rguenther@suse.de>
9580
9581         PR tree-optimization/88903
9582         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9583         scalar stmts a SLP shift amount is composed of when detecting
9584         shifts by scalars.
9585
9586 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9587
9588         PR target/88799
9589         * config/arm/arm-cpus.in (mp): New feature.
9590         (sec): New feature.
9591         (fgroup ARMv7ve): Add mp and sec features.
9592         (arch armv7-a): Add options to allow mp and sec extensions.
9593         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9594         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9595         extenstions to the base architecture.
9596         (cpu cortex-a8): Add sec extension to the base architecture.
9597         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9598         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9599         variants down to the base v7-a varaint.
9600         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9601         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9602         of permitted extensions for -march=armv7-a and for
9603         -mcpu=generic-armv7-a.
9604
9605 2019-01-18  Martin Liska  <mliska@suse.cz>
9606
9607         * params.def: Fix comment.
9608         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9609         name.
9610         (gimple_gen_ic_func_profiler): Likewise.
9611
9612 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9613
9614         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9615         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9616         and put in error checks for stack protector guard options.
9617         (aarch64_stack_protect_guard): New.
9618         (TARGET_STACK_PROTECT_GUARD): Define.
9619         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9620         (reg_stack_protect_address<mode>): New.
9621         (stack_protect_set): Adjust for SSP_GLOBAL.
9622         (stack_protect_test): Likewise.
9623         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9624         (-mstack-protector-guard): Likewise.
9625         (-mstack-protector-guard-offset): Likewise.
9626
9627 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9628
9629         PR tree-optimization/86214
9630         * tree-inline.h (struct copy_body_data): Add
9631         add_clobbers_to_eh_landing_pads member.
9632         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9633         (copy_edges_for_bb): Call it if EH edge destination is <
9634         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9635         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9636         if flag_stack_reuse != SR_NONE and clear it afterwards.
9637
9638 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9639
9640         PR target/85596
9641         * doc/install.texi (with-multilib-list): Document for aarch64.
9642
9643 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9644
9645         PR target/88734
9646         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9647         (("..."))) with ("...").
9648
9649 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9650
9651         * doc/extend.texi (Built-in Functions for Memory Model Aware
9652         Atomic Operations): Document atomic fetch and nand.
9653
9654 2019-01-18  Martin Liska  <mliska@suse.cz>
9655             Richard Biener  <rguenther@suse.de>
9656
9657         PR middle-end/88587
9658         * cgraph.h (create_version_clone_with_body): Add new argument
9659         with attributes.
9660         * cgraphclones.c (cgraph_node::create_version_clone): Add
9661         DECL_ATTRIBUTES to a newly created decl.  And call
9662         valid_attribute_p so that proper cl_target_optimization_node
9663         is set for the newly created declaration.
9664         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9665         for declaration.
9666         (expand_target_clones): Do not call valid_attribute_p, it must
9667         be already done.
9668         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9669         vector types.
9670
9671 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9672
9673         PR target/88734
9674         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9675         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9676         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9677
9678 2019-01-17  Martin Sebor  <msebor@redhat.com>
9679
9680         PR middle-end/88273
9681         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9682         Handle anti-ranges the same as no range at all.
9683
9684 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9685
9686         * config/aarch64/aarch64.c (cgraph.h): New include.
9687         (intl.h): New include.
9688         (supported_simd_type): New function.
9689         (currently_supported_simd_type): Ditto.
9690         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9691         (aarch64_simd_clone_adjust): Ditto.
9692         (aarch64_simd_clone_usable): Ditto.
9693         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9694         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9695         (TARGET_SIMD_CLONE_USABLE): Ditto.
9696         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9697         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9698         call.
9699
9700 2019-01-17  Martin Sebor  <msebor@redhat.com>
9701
9702         PR tree-optimization/88800
9703         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9704         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9705         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9706         redundant argument.  Add new argument and issue diagnostics under
9707         its control.  Detect out-of-bounds access even with warnings
9708         disabled.
9709         (check_bounds_or_overlap): Change return type.  Add argument.
9710         (wrestrict_dom_walker::check_call): Adjust.
9711         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9712         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9713         check_bounds_or_overlap's return value.
9714         (handle_builtin_stxncpy): Same.
9715         (handle_builtin_strcat): Same.
9716
9717 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9718             Kwok Cheung Yeung  <kcy@codesourcery.com>
9719             Julian Brown  <julian@codesourcery.com>
9720             Tom de Vries  <tom@codesourcery.com>
9721
9722         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9723
9724 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9725
9726         * doc/sourcebuild.texi: Document dg-require-effective-target
9727         llvm_binutils and offload_gcn.
9728
9729 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9730             Kwok Cheung Yeung  <kcy@codesourcery.com>
9731             Julian Brown  <julian@codesourcery.com>
9732             Tom de Vries  <tom@codesourcery.com>
9733
9734         * doc/sourcebuild.texi: Document dg-required-effective-target
9735         exceptions.
9736
9737 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9738             Kwok Cheung Yeung  <kcy@codesourcery.com>
9739             Julian Brown  <julian@codesourcery.com>
9740             Tom de Vries  <tom@codesourcery.com>
9741             Jan Hubicka  <hubicka@ucw.cz>
9742             Martin Jambor  <mjambor@suse.cz>
9743
9744         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9745         * configure.ac: Check for dlopen.
9746         * configure: Regenerate.
9747
9748 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9749             Kwok Cheung Yeung  <kcy@codesourcery.com>
9750             Julian Brown  <julian@codesourcery.com>
9751             Tom de Vries  <tom@codesourcery.com>
9752             Jan Hubicka  <hubicka@ucw.cz>
9753             Martin Jambor  <mjambor@suse.cz>
9754
9755         * common/config/gcn/gcn-common.c: New file.
9756         * config/gcn/driver-gcn.c: New file.
9757         * config/gcn/gcn-builtins.def: New file.
9758         * config/gcn/gcn-hsa.h: New file.
9759         * config/gcn/gcn-modes.def: New file.
9760         * config/gcn/gcn-opts.h: New file.
9761         * config/gcn/gcn-passes.def: New file.
9762         * config/gcn/gcn-protos.h: New file.
9763         * config/gcn/gcn-run.c: New file.
9764         * config/gcn/gcn-tree.c: New file.
9765         * config/gcn/gcn.c: New file.
9766         * config/gcn/gcn.h: New file.
9767         * config/gcn/gcn.opt: New file.
9768         * config/gcn/t-gcn-hsa: New file.
9769
9770 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9771             Kwok Cheung Yeung  <kcy@codesourcery.com>
9772             Julian Brown  <julian@codesourcery.com>
9773             Tom de Vries  <tom@codesourcery.com>
9774             Jan Hubicka  <hubicka@ucw.cz>
9775             Martin Jambor  <mjambor@suse.cz>
9776
9777         * config/gcn/constraints.md: New file.
9778         * config/gcn/gcn-valu.md: New file.
9779         * config/gcn/gcn.md: New file.
9780         * config/gcn/predicates.md: New file.
9781
9782 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9783
9784         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9785         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9786         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9787         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9788
9789 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9790
9791         PR target/88851
9792         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9793         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9794         it and document registers.
9795
9796 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9797
9798         * config/aarch64/aarch64.c (ares_tunings): Define.
9799         * config/aarch64/aarch64-cores.def (ares): Use the above.
9800
9801 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9802
9803         PR target/88794
9804         Revert:
9805         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9806
9807         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9808         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9809         (_mm512_maskz_fixupimm_round_pd): Ditto.
9810         (_mm512_fixupimm_round_ps): Ditto.
9811         (_mm512_maskz_fixupimm_round_ps): Ditto.
9812         (_mm_fixupimm_round_sd): Ditto.
9813         (_mm_maskz_fixupimm_round_sd): Ditto.
9814         (_mm_fixupimm_round_ss): Ditto.
9815         (_mm_maskz_fixupimm_round_ss): Ditto.
9816         (_mm512_fixupimm_pd): Ditto.
9817         (_mm512_maskz_fixupimm_pd): Ditto.
9818         (_mm512_fixupimm_ps): Ditto.
9819         (_mm512_maskz_fixupimm_ps): Ditto.
9820         (_mm_fixupimm_sd): Ditto.
9821         (_mm_maskz_fixupimm_sd): Ditto.
9822         (_mm_fixupimm_ss): Ditto.
9823         (_mm_maskz_fixupimm_ss): Ditto.
9824         (_mm512_mask_fixupimm_round_pd): Update builtin.
9825         (_mm512_mask_fixupimm_round_ps): Ditto.
9826         (_mm_mask_fixupimm_round_sd): Ditto.
9827         (_mm_mask_fixupimm_round_ss): Ditto.
9828         (_mm512_mask_fixupimm_pd): Ditto.
9829         (_mm512_mask_fixupimm_ps): Ditto.
9830         (_mm_mask_fixupimm_sd): Ditto.
9831         (_mm_mask_fixupimm_ss): Ditto.
9832         * config/i386/avx512vlintrin.h:
9833         (_mm256_fixupimm_pd): Update parameters and builtin.
9834         (_mm256_maskz_fixupimm_pd): Ditto.
9835         (_mm256_fixupimm_ps): Ditto.
9836         (_mm256_maskz_fixupimm_ps): Ditto.
9837         (_mm_fixupimm_pd): Ditto.
9838         (_mm_maskz_fixupimm_pd): Ditto.
9839         (_mm_fixupimm_ps): Ditto.
9840         (_mm_maskz_fixupimm_ps): Ditto.
9841         (_mm256_mask_fixupimm_pd): Update builtin.
9842         (_mm256_mask_fixupimm_ps): Ditto.
9843         (_mm_mask_fixupimm_pd): Ditto.
9844         (_mm_mask_fixupimm_ps): Ditto.
9845         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
9846         * config/i386/i386-builtin.def: Update builtin definitions.
9847         * config/i386/i386.c: Handle new builtin types and remove useless ones.
9848         * config/i386/sse.md: Update VFIXUPIMM* patterns.
9849         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9850         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9851         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
9852         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9853         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9854         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
9855         * config/i386/subst.md:
9856         (round_saeonly_sd_mask_operand4): Add new subst_attr.
9857         (round_saeonly_sd_mask_op4): Ditto.
9858         (round_saeonly_expand_operand5): Ditto.
9859         (round_saeonly_expand): Update.
9860
9861 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9862
9863         PR target/88794
9864         Revert:
9865         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
9866
9867         * config/i386/sse.md: Combine VFIXUPIMM* patterns
9868         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9869         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9870         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
9871         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
9872         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
9873         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
9874
9875 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9876
9877         PR target/88794
9878         Revert:
9879         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
9880
9881         PR target/88489
9882         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
9883         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
9884         instead of UNSPEC_FIXUPIMM.
9885
9886 2019-01-17  Richard Biener  <rguenther@suse.de>
9887
9888         PR lto/86736
9889         * dwarf2out.c (want_pubnames): Never generate pubnames sections
9890         and friends for the LTO part of debug info.
9891
9892 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9893
9894         PR tree-optimization/86214
9895         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
9896         if x == y.
9897
9898         PR rtl-optimization/88870
9899         * dce.c (deletable_insn_p): Never delete const/pure calls that can
9900         throw if we can't alter the cfg or delete dead exceptions.
9901         (mark_insn): Don't call find_call_stack_args for such calls.
9902
9903 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
9904
9905         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
9906         prototypes for vec_st.
9907         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
9908         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
9909         mainly on signed/unsigned long long and double.
9910
9911 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
9912
9913         PR target/88861
9914         * combine.c (delete_noop_moves): Convert to "bool" return,
9915         returning true if any edges are eliminated.
9916         (combine_instructions): Also return true if delete_noop_moves
9917         returns true.
9918
9919 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9920
9921         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
9922         correct max nunits for endian swap.
9923         (aarch64_expand_fcmla_builtin): Correct subreg code.
9924         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
9925         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
9926         lane endianness.
9927
9928 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
9929
9930         * config/alpha/alpha.c (alpha_gimplify_va_arg):
9931         Handle split indirect COMPLEX_TYPE arguments.
9932
9933 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
9934
9935         PR target/86891
9936         * config/aarch64/aarch64-modes.def: Add comment about how the carry
9937         bit is set by add and compare.
9938         (CC_ADC): New CC_MODE.
9939         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
9940         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
9941         comparison.  Add detection for CC_ADCmode.
9942         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
9943         CC_ADCmode.
9944         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
9945         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
9946         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
9947         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
9948         to eliminate the need for zero-extending the operands.
9949         (add<mode>3_compareC_imm): Delete.  Merge into ...
9950         (add<mode>3_compareC): ... this.  Restructure the comparison to
9951         eliminate the need for zero-extending the operands.
9952         (add<mode>3_carryin): Use LTU for the overflow detection.
9953         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
9954         Reexpress comparison for overflow.
9955         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
9956         (add<mode>3_carryinC): Likewise.
9957         (add<mode>3_carryinV): Use LTU for carry between partials.
9958         * config/aarch64/predicates.md (aarch64_carry_operation): Update
9959         handling of CC_Cmode and add CC_ADCmode.
9960         (aarch64_borrow_operation): Likewise.
9961
9962 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
9963
9964         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
9965         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
9966         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
9967         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
9968
9969 2019-01-16  Martin Liska  <mliska@suse.cz>
9970
9971         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
9972         for GCC driver.
9973         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
9974         a new argument.
9975         * gcc.c (add_sysrooted_hdrs_prefix): New function.
9976         (path_prefix_reset): Move up in the source file.
9977         (find_fortran_preinclude_file): Make complex search for the
9978         fortran header files.
9979
9980 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
9981
9982         * godump.c (go_output_typedef): When outputting a typedef, refer
9983         to the underlying type by its name and not its structure.
9984
9985 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
9986
9987         PR c++/88795
9988         * tree.c (build_function_type): Assert that arg_types is not
9989         error_mark_node.
9990
9991 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
9992
9993         PR inline-asm/52813
9994         * doc/extend.texi: Document that listing the stack pointer in the
9995         clobber list of an asm is a deprecated feature.
9996         * common.opt (Wdeprecated): Moved from c-family/c.opt.
9997         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
9998         warning instead of an error for clobbers of the stack pointer.
9999         Add a note explaining why.
10000
10001 2019-01-15  Richard Biener  <rguenther@suse.de>
10002
10003         PR debug/88046
10004         * dwarf2out.c (gen_member_die): Do not generate inheritance
10005         DIEs late.
10006
10007 2019-01-15  Richard Biener  <rguenther@suse.de>
10008
10009         PR tree-optimization/88855
10010         * tree-if-conv.c (combine_blocks): Collect
10011         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
10012
10013 2019-01-15  Tom de Vries  <tdevries@suse.de>
10014
10015         PR target/80547
10016         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
10017         lhs == NULL_TREE for gang-level reduction.
10018
10019 2019-01-15  Richard Biener  <rguenther@suse.de>
10020             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10021
10022         PR ipa/88788
10023         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
10024         return true if SSA_NAME is already marked in visited bitmap.
10025         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
10026
10027 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
10028
10029         PR tree-optimization/88775
10030         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
10031         equal == 0 equality pointer comparisons some more if compared in
10032         integral types and either one points to an automatic var and the
10033         other to a global, or we can prove at least one points to the middle
10034         or both point to start or both point to end.
10035
10036 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10037
10038         * Makefile.in: Lower autofdo sampling rate by 10x.
10039         * Makefile.tpl: Dito.
10040
10041 2019-01-14  Tom Honermann  <tom@honermann.net>
10042
10043         * defaults.h: Define CHAR8_TYPE.
10044
10045 2019-01-14  Martin Sebor  <msebor@redhat.com>
10046
10047         PR target/88638
10048         * doc/extend.texi (Darwin Format Checks): Clarify.
10049
10050 2019-01-14  Richard Biener  <rguenther@suse.de>
10051
10052         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10053         whether we are in (simplify ...) or (match ...) context.
10054
10055 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10056
10057         PR rtl-optimization/88796
10058         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10059         * cfgexpand.c (stack_protect_prologue): Initialize
10060         crtl->stack_protect_guard_decl.
10061         * function.c (stack_protect_epilogue): Use it instead of calling
10062         targetm.stack_protect_guard again.
10063         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10064         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10065         crtl->stack_protect_guard_decl.
10066         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10067         on the returned MEM_EXPR.
10068
10069 2019-01-12  Tom de Vries  <tdevries@suse.de>
10070
10071         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10072         vector length using -fopenacc-dim.
10073
10074 2019-01-12  Tom de Vries  <tdevries@suse.de>
10075
10076         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10077         lengths into account.
10078
10079 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10080
10081         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10082         (TARGET_CAN_SPLIT_STACK): Define.
10083         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10084
10085 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10086
10087         * params.def (inline-unit-growth): Set to 40.
10088
10089 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10090
10091         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10092
10093 2019-01-12  Tom de Vries  <tdevries@suse.de>
10094
10095         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10096         region calling vector-partitionable routine, set default_vector_length
10097         to WARP_SIZE.
10098
10099 2019-01-12  Tom de Vries  <tdevries@suse.de>
10100
10101         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10102         variable default_vector_length.
10103
10104 2019-01-12  Tom de Vries  <tdevries@suse.de>
10105
10106         PR middle-end/88703
10107         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10108         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10109         dimensions limits.
10110
10111 2019-01-12  Tom de Vries  <tdevries@suse.de>
10112
10113         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10114         (nvptx_goacc_validate_dims): Add used parameter.
10115         * doc/tm.texi: Regenerate.
10116         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10117         argument to call to targetm.goacc.validate_dims.
10118         (default_goacc_validate_dims): Add used
10119         parameter.
10120         * target.def (validate_dims): Add used parameter in DEFHOOK.
10121         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10122
10123 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10124
10125         PR middle-end/85956
10126         PR lto/88733
10127         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10128         field.
10129         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10130         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10131         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10132         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10133
10134 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10135
10136         PR rtl-optimization/87305
10137         * lra-assigns.c
10138         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10139         for little endian pseudos used as paradoxical subreg.
10140
10141 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10142
10143         PR tree-optimization/88693
10144         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10145         for STRING_CSTs that don't contain any NUL characters in the first
10146         TREE_STRING_LENGTH bytes.
10147
10148 2019-01-11  Alan Modra  <amodra@gmail.com>
10149
10150         PR 88777
10151         PR 88614
10152         * genattrtab.c (min_fn): Don't translate values.
10153         (min_attr_value): Return INT_MAX when the value can't be calculated.
10154         Return minimum among any values that can be calculated.
10155         (max_attr_value): Adjust.
10156
10157 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10158
10159         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10160
10161 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10162
10163         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10164         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10165         (aarch64_return_call_with_max_clobbers): New function.
10166         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10167         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10168         argument.
10169         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10170         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10171         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10172         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10173         * cselib.c (cselib_process_insn): Add argument to
10174         targetm.hard_regno_call_part_clobbered call.
10175         * ira-conflicts.c (ira_build_conflicts): Ditto.
10176         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10177         * lra-constraints.c (inherit_reload_reg): Ditto.
10178         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10179         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10180         argument.  Call targetm.return_call_with_max_clobbers.
10181         Add argument to targetm.hard_regno_call_part_clobbered call.
10182         (calls_have_same_clobbers_p): New function.
10183         (process_bb_lives): Add call_insn and last_call_insn variables.
10184         Pass call_insn to check_pseudos_live_through_calls.
10185         Modify if stmt to check targetm.return_call_with_max_clobbers.
10186         Update setting of flush variable.
10187         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10188         to false.
10189         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10190         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10191         targetm.hard_regno_call_part_clobbered call.
10192         * reginfo.c (choose_hard_reg_mode): Ditto.
10193         * regrename.c (check_new_reg_p): Ditto.
10194         * reload.c (find_equiv_reg): Ditto.
10195         * reload1.c (emit_reload_insns): Ditto.
10196         * sched-deps.c (deps_analyze_insn): Ditto.
10197         * sel-sched.c (init_regs_for_mode): Ditto.
10198         (mark_unavailable_hard_regs): Ditto.
10199         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10200         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10201         (return_call_with_max_clobbers): New target function.
10202         * doc/tm.texi: Regenerate.
10203         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10204         * hooks.c (hook_bool_uint_mode_false): Change to
10205         hook_bool_insn_uint_mode_false.
10206         * hooks.h (hook_bool_uint_mode_false): Ditto.
10207
10208 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10209
10210         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10211         (aarch64_remove_extra_call_preserved_regs): New function.
10212         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10213         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10214         * doc/tm.texi: Regenerate.
10215         * final.c (get_call_reg_set_usage): Call new hook.
10216         * target.def (remove_extra_call_preserved_regs): New hook.
10217         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10218         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10219
10220 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10221
10222         PR bootstrap/88714
10223         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10224         inside of pass_combine_1 dump rather than pass_profile_1.
10225
10226 2019-01-11  Tom de Vries  <tdevries@suse.de>
10227
10228         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10229         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10230         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10231         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10232         num_workers 16.
10233
10234 2019-01-11  Tom de Vries  <tdevries@suse.de>
10235
10236         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10237
10238 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10239
10240         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10241         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10242         sse2_cvtsi2sd): Add {l}.
10243         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10244         syntax.
10245
10246 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10247
10248         PR target/88785
10249         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10250         define_expand.
10251         (*float<floatunssuffix>v2div2sf2): New define_insn.
10252         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10253         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10254         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10255         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10256         match_operands with "const0_operand" "C".
10257
10258 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10259
10260         * config/aarch64/aarch64-builtins.c
10261         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10262         (aarch64_init_simd_builtins): ...Here
10263
10264 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10265
10266         PR rtl-optimization/87305
10267         * lra-assigns.c
10268         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10269         allocation for big endian pseudos used as paradoxical subregs and
10270         spill them if it is wrong.
10271         * lra-constraints.c (lra_constraints): Add a comment.
10272
10273 2019-01-10  Richard Biener  <rguenther@suse.de>
10274
10275         PR tree-optimization/88792
10276         * tree-ssa-pre.c (get_representative_for): Do not return a
10277         value-number here.
10278
10279 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10280
10281         PR middle-end/84877
10282         PR bootstrap/88450
10283         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10284         (assign_parm_setup_block): Do the argument slot realignment here
10285         instead.
10286
10287 2019-01-10  Stefan Agner  <stefan@agner.ch>
10288
10289         PR target/88648
10290         * config/arm/arm.c (arm_option_override_internal): Force
10291         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10292
10293 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10294
10295         PR c/88568
10296         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10297         DECL_EXTERNAL.
10298
10299 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10300
10301         * config/arm/arm-builtins.c
10302         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10303         (MAC_LANE_PAIR_QUALIFIERS): New.
10304         (arm_expand_builtin_args): Use it.
10305         (arm_expand_builtin_1): Likewise.
10306         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10307         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10308         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10309         * config/arm/arm_neon.h:
10310         (vcadd_rot90_f16): New.
10311         (vcaddq_rot90_f16): New.
10312         (vcadd_rot270_f16): New.
10313         (vcaddq_rot270_f16): New.
10314         (vcmla_f16): New.
10315         (vcmlaq_f16): New.
10316         (vcmla_lane_f16): New.
10317         (vcmla_laneq_f16): New.
10318         (vcmlaq_lane_f16): New.
10319         (vcmlaq_laneq_f16): New.
10320         (vcmla_rot90_f16): New.
10321         (vcmlaq_rot90_f16): New.
10322         (vcmla_rot90_lane_f16): New.
10323         (vcmla_rot90_laneq_f16): New.
10324         (vcmlaq_rot90_lane_f16): New.
10325         (vcmlaq_rot90_laneq_f16): New.
10326         (vcmla_rot180_f16): New.
10327         (vcmlaq_rot180_f16): New.
10328         (vcmla_rot180_lane_f16): New.
10329         (vcmla_rot180_laneq_f16): New.
10330         (vcmlaq_rot180_lane_f16): New.
10331         (vcmlaq_rot180_laneq_f16): New.
10332         (vcmla_rot270_f16): New.
10333         (vcmlaq_rot270_f16): New.
10334         (vcmla_rot270_lane_f16): New.
10335         (vcmla_rot270_laneq_f16): New.
10336         (vcmlaq_rot270_lane_f16): New.
10337         (vcmlaq_rot270_laneq_f16): New.
10338         (vcadd_rot90_f32): New.
10339         (vcaddq_rot90_f32): New.
10340         (vcadd_rot270_f32): New.
10341         (vcaddq_rot270_f32): New.
10342         (vcmla_f32): New.
10343         (vcmlaq_f32): New.
10344         (vcmla_lane_f32): New.
10345         (vcmla_laneq_f32): New.
10346         (vcmlaq_lane_f32): New.
10347         (vcmlaq_laneq_f32): New.
10348         (vcmla_rot90_f32): New.
10349         (vcmlaq_rot90_f32): New.
10350         (vcmla_rot90_lane_f32): New.
10351         (vcmla_rot90_laneq_f32): New.
10352         (vcmlaq_rot90_lane_f32): New.
10353         (vcmlaq_rot90_laneq_f32): New.
10354         (vcmla_rot180_f32): New.
10355         (vcmlaq_rot180_f32): New.
10356         (vcmla_rot180_lane_f32): New.
10357         (vcmla_rot180_laneq_f32): New.
10358         (vcmlaq_rot180_lane_f32): New.
10359         (vcmlaq_rot180_laneq_f32): New.
10360         (vcmla_rot270_f32): New.
10361         (vcmlaq_rot270_f32): New.
10362         (vcmla_rot270_lane_f32): New.
10363         (vcmla_rot270_laneq_f32): New.
10364         (vcmlaq_rot270_lane_f32): New.
10365         (vcmlaq_rot270_laneq_f32): New.
10366         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10367         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10368         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10369         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10370         vcmlaq_lane270): New.
10371         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10372         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10373         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10374         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10375         (arm_option_reconfigure_globals): Use them.
10376         * config/arm/iterators.md (VDF, VQ_HSF): New.
10377         (VCADD, VCMLA): New.
10378         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10379         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10380         New.
10381         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10382         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10383
10384 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10385
10386         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10387         Add qualifier_lane_pair_index.
10388         (emit-rtl.h): Include.
10389         (TYPES_QUADOP_LANE_PAIR): New.
10390         (aarch64_simd_expand_args): Use it.
10391         (aarch64_simd_expand_builtin): Likewise.
10392         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10393         New.
10394         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10395         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10396         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10397         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10398         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10399         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10400         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10401         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10402         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10403         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10404         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10405         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10406         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10407         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10408         Add __ARM_FEATURE_COMPLEX.
10409         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10410         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10411         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10412         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10413         fcmlaq_lane270): New.
10414         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10415         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10416         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10417         * config/aarch64/arm_neon.h:
10418         (vcadd_rot90_f16): New.
10419         (vcaddq_rot90_f16): New.
10420         (vcadd_rot270_f16): New.
10421         (vcaddq_rot270_f16): New.
10422         (vcmla_f16): New.
10423         (vcmlaq_f16): New.
10424         (vcmla_lane_f16): New.
10425         (vcmla_laneq_f16): New.
10426         (vcmlaq_lane_f16): New.
10427         (vcmlaq_rot90_lane_f16): New.
10428         (vcmla_rot90_laneq_f16): New.
10429         (vcmla_rot90_lane_f16): New.
10430         (vcmlaq_rot90_f16): New.
10431         (vcmla_rot90_f16): New.
10432         (vcmlaq_laneq_f16): New.
10433         (vcmla_rot180_laneq_f16): New.
10434         (vcmla_rot180_lane_f16): New.
10435         (vcmlaq_rot180_f16): New.
10436         (vcmla_rot180_f16): New.
10437         (vcmlaq_rot90_laneq_f16): New.
10438         (vcmlaq_rot270_laneq_f16): New.
10439         (vcmlaq_rot270_lane_f16): New.
10440         (vcmla_rot270_laneq_f16): New.
10441         (vcmlaq_rot270_f16): New.
10442         (vcmla_rot270_f16): New.
10443         (vcmlaq_rot180_laneq_f16): New.
10444         (vcmlaq_rot180_lane_f16): New.
10445         (vcmla_rot270_lane_f16): New.
10446         (vcadd_rot90_f32): New.
10447         (vcaddq_rot90_f32): New.
10448         (vcaddq_rot90_f64): New.
10449         (vcadd_rot270_f32): New.
10450         (vcaddq_rot270_f32): New.
10451         (vcaddq_rot270_f64): New.
10452         (vcmla_f32): New.
10453         (vcmlaq_f32): New.
10454         (vcmlaq_f64): New.
10455         (vcmla_lane_f32): New.
10456         (vcmla_laneq_f32): New.
10457         (vcmlaq_lane_f32): New.
10458         (vcmlaq_laneq_f32): New.
10459         (vcmla_rot90_f32): New.
10460         (vcmlaq_rot90_f32): New.
10461         (vcmlaq_rot90_f64): New.
10462         (vcmla_rot90_lane_f32): New.
10463         (vcmla_rot90_laneq_f32): New.
10464         (vcmlaq_rot90_lane_f32): New.
10465         (vcmlaq_rot90_laneq_f32): New.
10466         (vcmla_rot180_f32): New.
10467         (vcmlaq_rot180_f32): New.
10468         (vcmlaq_rot180_f64): New.
10469         (vcmla_rot180_lane_f32): New.
10470         (vcmla_rot180_laneq_f32): New.
10471         (vcmlaq_rot180_lane_f32): New.
10472         (vcmlaq_rot180_laneq_f32): New.
10473         (vcmla_rot270_f32): New.
10474         (vcmlaq_rot270_f32): New.
10475         (vcmlaq_rot270_f64): New.
10476         (vcmla_rot270_lane_f32): New.
10477         (vcmla_rot270_laneq_f32): New.
10478         (vcmlaq_rot270_lane_f32): New.
10479         (vcmlaq_rot270_laneq_f32): New.
10480         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10481         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10482         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10483         (FCADD, FCMLA): New.
10484         (rot): New.
10485         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10486
10487 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10488
10489         PR other/16615
10490
10491         * config/pa/pa.c: Change "can not" to "cannot".
10492         * gimple-ssa-evrp-analyze.c: Likewise.
10493         * ipa-icf.c: Likewise.
10494         * ipa-polymorphic-call.c: Likewise.
10495         * ipa-pure-const.c: Likewise.
10496         * lra-constraints.c: Likewise.
10497         * lra-remat.c: Likewise.
10498         * reload1.c: Likewise.
10499         * reorg.c: Likewise.
10500         * tree-ssa-uninit.c: Likewise.
10501
10502 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10503
10504         PR other/16615
10505
10506         * Makefile.in: Mechanically replace "can not" with "cannot".
10507         * alias.c: Likewise.
10508         * builtins.c: Likewise.
10509         * calls.c: Likewise.
10510         * cgraph.c: Likewise.
10511         * cgraph.h: Likewise.
10512         * cgraphclones.c: Likewise.
10513         * cgraphunit.c: Likewise.
10514         * combine-stack-adj.c: Likewise.
10515         * combine.c: Likewise.
10516         * common/config/i386/i386-common.c: Likewise.
10517         * config/aarch64/aarch64.c: Likewise.
10518         * config/alpha/sync.md: Likewise.
10519         * config/arc/arc.c: Likewise.
10520         * config/arc/predicates.md: Likewise.
10521         * config/arm/arm-c.c: Likewise.
10522         * config/arm/arm.c: Likewise.
10523         * config/arm/arm.h: Likewise.
10524         * config/arm/arm.md: Likewise.
10525         * config/arm/cortex-r4f.md: Likewise.
10526         * config/csky/csky.c: Likewise.
10527         * config/csky/csky.h: Likewise.
10528         * config/darwin-f.c: Likewise.
10529         * config/epiphany/epiphany.md: Likewise.
10530         * config/i386/i386.c: Likewise.
10531         * config/i386/sol2.h: Likewise.
10532         * config/m68k/m68k.c: Likewise.
10533         * config/mcore/mcore.h: Likewise.
10534         * config/microblaze/microblaze.md: Likewise.
10535         * config/mips/20kc.md: Likewise.
10536         * config/mips/sb1.md: Likewise.
10537         * config/nds32/nds32.c: Likewise.
10538         * config/nds32/predicates.md: Likewise.
10539         * config/pa/pa.c: Likewise.
10540         * config/rs6000/e300c2c3.md: Likewise.
10541         * config/rs6000/rs6000.c: Likewise.
10542         * config/s390/s390.h: Likewise.
10543         * config/sh/sh.c: Likewise.
10544         * config/sh/sh.md: Likewise.
10545         * config/spu/vmx2spu.h: Likewise.
10546         * cprop.c: Likewise.
10547         * dbxout.c: Likewise.
10548         * df-scan.c: Likewise.
10549         * doc/cfg.texi: Likewise.
10550         * doc/extend.texi: Likewise.
10551         * doc/fragments.texi: Likewise.
10552         * doc/gty.texi: Likewise.
10553         * doc/invoke.texi: Likewise.
10554         * doc/lto.texi: Likewise.
10555         * doc/md.texi: Likewise.
10556         * doc/objc.texi: Likewise.
10557         * doc/rtl.texi: Likewise.
10558         * doc/tm.texi: Likewise.
10559         * dse.c: Likewise.
10560         * emit-rtl.c: Likewise.
10561         * emit-rtl.h: Likewise.
10562         * except.c: Likewise.
10563         * expmed.c: Likewise.
10564         * expr.c: Likewise.
10565         * fold-const.c: Likewise.
10566         * genautomata.c: Likewise.
10567         * gimple-fold.c: Likewise.
10568         * hard-reg-set.h: Likewise.
10569         * ifcvt.c: Likewise.
10570         * ipa-comdats.c: Likewise.
10571         * ipa-cp.c: Likewise.
10572         * ipa-devirt.c: Likewise.
10573         * ipa-fnsummary.c: Likewise.
10574         * ipa-icf.c: Likewise.
10575         * ipa-inline-transform.c: Likewise.
10576         * ipa-inline.c: Likewise.
10577         * ipa-polymorphic-call.c: Likewise.
10578         * ipa-profile.c: Likewise.
10579         * ipa-prop.c: Likewise.
10580         * ipa-pure-const.c: Likewise.
10581         * ipa-reference.c: Likewise.
10582         * ipa-split.c: Likewise.
10583         * ipa-visibility.c: Likewise.
10584         * ipa.c: Likewise.
10585         * ira-build.c: Likewise.
10586         * ira-color.c: Likewise.
10587         * ira-conflicts.c: Likewise.
10588         * ira-costs.c: Likewise.
10589         * ira-int.h: Likewise.
10590         * ira-lives.c: Likewise.
10591         * ira.c: Likewise.
10592         * ira.h: Likewise.
10593         * loop-invariant.c: Likewise.
10594         * loop-unroll.c: Likewise.
10595         * lower-subreg.c: Likewise.
10596         * lra-assigns.c: Likewise.
10597         * lra-constraints.c: Likewise.
10598         * lra-eliminations.c: Likewise.
10599         * lra-lives.c: Likewise.
10600         * lra-remat.c: Likewise.
10601         * lra-spills.c: Likewise.
10602         * lra.c: Likewise.
10603         * lto-cgraph.c: Likewise.
10604         * lto-streamer-out.c: Likewise.
10605         * postreload-gcse.c: Likewise.
10606         * predict.c: Likewise.
10607         * profile-count.h: Likewise.
10608         * profile.c: Likewise.
10609         * recog.c: Likewise.
10610         * ree.c: Likewise.
10611         * reload.c: Likewise.
10612         * reload1.c: Likewise.
10613         * reorg.c: Likewise.
10614         * resource.c: Likewise.
10615         * rtl.def: Likewise.
10616         * rtl.h: Likewise.
10617         * rtlanal.c: Likewise.
10618         * sched-deps.c: Likewise.
10619         * sched-ebb.c: Likewise.
10620         * sched-rgn.c: Likewise.
10621         * sel-sched-ir.c: Likewise.
10622         * sel-sched.c: Likewise.
10623         * shrink-wrap.c: Likewise.
10624         * simplify-rtx.c: Likewise.
10625         * symtab.c: Likewise.
10626         * target.def: Likewise.
10627         * toplev.c: Likewise.
10628         * tree-call-cdce.c: Likewise.
10629         * tree-cfg.c: Likewise.
10630         * tree-complex.c: Likewise.
10631         * tree-core.h: Likewise.
10632         * tree-eh.c: Likewise.
10633         * tree-inline.c: Likewise.
10634         * tree-loop-distribution.c: Likewise.
10635         * tree-nrv.c: Likewise.
10636         * tree-profile.c: Likewise.
10637         * tree-sra.c: Likewise.
10638         * tree-ssa-alias.c: Likewise.
10639         * tree-ssa-dce.c: Likewise.
10640         * tree-ssa-dom.c: Likewise.
10641         * tree-ssa-forwprop.c: Likewise.
10642         * tree-ssa-loop-im.c: Likewise.
10643         * tree-ssa-loop-ivcanon.c: Likewise.
10644         * tree-ssa-loop-ivopts.c: Likewise.
10645         * tree-ssa-loop-niter.c: Likewise.
10646         * tree-ssa-phionlycprop.c: Likewise.
10647         * tree-ssa-phiopt.c: Likewise.
10648         * tree-ssa-propagate.c: Likewise.
10649         * tree-ssa-threadedge.c: Likewise.
10650         * tree-ssa-threadupdate.c: Likewise.
10651         * tree-ssa-uninit.c: Likewise.
10652         * tree-ssanames.c: Likewise.
10653         * tree-streamer-out.c: Likewise.
10654         * tree.c: Likewise.
10655         * tree.h: Likewise.
10656         * vr-values.c: Likewise.
10657
10658 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10659
10660         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10661         (ix86_split_xorsign): Ditto.
10662         * config/i386/i386.c (ix86_expand_xorsign): New function.
10663         (ix86_split_xorsign): Ditto.
10664         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10665         (xorsign<mode>3): New expander.
10666         (xorsign<mode>3_1): New insn_and_split pattern.
10667         * config/i386/sse.md (xorsign<mode>3): New expander.
10668
10669 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10670
10671         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10672         (*tablejump_sp64): Likewise.
10673         (*tablejump<P:mode>): ...this.
10674         (*call_address_sp32): Merge into...
10675         (*call_address_sp64): Likewise.
10676         (*call_address<P:mode>): ...this.
10677         (*call_symbolic_sp32): Merge into...
10678         (*call_symbolic_sp64): Likewise.
10679         (*call_symbolic<P:mode>): ...this.
10680         (call_value): Remove constraint and add predicate.
10681         (*call_value_address_sp32): Merge into...
10682         (*call_value_address_sp64): Likewise.
10683         (*call_value_address<P:mode>): ...this.
10684         (*call_value_symbolic_sp32): Merge into...
10685         (*call_value_symbolic_sp64): Likewise.
10686         (*call_value_symbolic<P:mode>): ...this.
10687         (*sibcall_symbolic_sp32): Merge into...
10688         (*sibcall_symbolic_sp64): Likewise.
10689         (*sibcall_symbolic<P:mode>): ...this.
10690         (sibcall_value): Remove constraint and add predicate.
10691         (*sibcall_value_symbolic_sp32): Merge into...
10692         (*sibcall_value_symbolic_sp64): Likewise.
10693         (*sibcall_value_symbolic<P:mode>): ...this.
10694         (window_save): Minor tweak.
10695         (*branch_sp32): Merge into...
10696         (*branch_sp64): Likewise.
10697         (*branch<P:mode>): ...this.
10698
10699 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10700             James Clarke  <jrtc27@jrtc27.com>
10701
10702         PR target/84010
10703         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10704         consistently in TLS address generation and adjust code to the renaming
10705         of patterns.  Mark calls to __tls_get_addr as const.
10706         * config/sparc/sparc.md (tgd_hi22): Turn into...
10707         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10708         (tgd_lo10): Turn into...
10709         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10710         (tgd_add32): Merge into...
10711         (tgd_add64): Likewise.
10712         (tgd_add<P:mode>): ...this and use Pmode throughout.
10713         (tldm_hi22): Turn into...
10714         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10715         (tldm_lo10): Turn into...
10716         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10717         (tldm_add32): Merge into...
10718         (tldm_add64): Likewise.
10719         (tldm_add<P:mode>): ...this and use Pmode throughout.
10720         (tldm_call32): Merge into...
10721         (tldm_call64): Likewise.
10722         (tldm_call<P:mode>): ...this and use Pmode throughout.
10723         (tldo_hix22): Turn into...
10724         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10725         (tldo_lox10): Turn into...
10726         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10727         (tldo_add32): Merge into...
10728         (tldo_add64): Likewise.
10729         (tldo_add<P:mode>): ...this and use Pmode throughout.
10730         (tie_hi22): Turn into...
10731         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10732         (tie_lo10): Turn into...
10733         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10734         (tie_ld64): Use DImode throughout.
10735         (tie_add32): Merge into...
10736         (tie_add64): Likewise.
10737         (tie_add<P:mode>): ...this and use Pmode throughout.
10738         (tle_hix22_sp32): Merge into...
10739         (tle_hix22_sp64): Likewise.
10740         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10741         (tle_lox22_sp32): Merge into...
10742         (tle_lox22_sp64): Likewise.
10743         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10744         (*tldo_ldub_sp32): Merge into...
10745         (*tldo_ldub_sp64): Likewise.
10746         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10747         (*tldo_ldub1_sp32): Merge into...
10748         (*tldo_ldub1_sp64): Likewise.
10749         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10750         (*tldo_ldub2_sp32): Merge into...
10751         (*tldo_ldub2_sp64): Likewise.
10752         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10753         (*tldo_ldsb1_sp32): Merge into...
10754         (*tldo_ldsb1_sp64): Likewise.
10755         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10756         (*tldo_ldsb2_sp32): Merge into...
10757         (*tldo_ldsb2_sp64): Likewise.
10758         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10759         (*tldo_ldub3_sp64): Use DImode throughout.
10760         (*tldo_ldsb3_sp64): Likewise.
10761         (*tldo_lduh_sp32): Merge into...
10762         (*tldo_lduh_sp64): Likewise.
10763         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10764         (*tldo_lduh1_sp32): Merge into...
10765         (*tldo_lduh1_sp64): Likewise.
10766         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10767         (*tldo_ldsh1_sp32): Merge into...
10768         (*tldo_ldsh1_sp64): Likewise.
10769         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10770         (*tldo_lduh2_sp64): Use DImode throughout.
10771         (*tldo_ldsh2_sp64): Likewise.
10772         (*tldo_lduw_sp32): Merge into...
10773         (*tldo_lduw_sp64): Likewise.
10774         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10775         (*tldo_lduw1_sp64): Use DImode throughout.
10776         (*tldo_ldsw1_sp64): Likewise.
10777         (*tldo_ldx_sp64): Likewise.
10778         (*tldo_stb_sp32): Merge into...
10779         (*tldo_stb_sp64): Likewise.
10780         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10781         (*tldo_sth_sp32): Merge into...
10782         (*tldo_sth_sp64): Likewise.
10783         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10784         (*tldo_stw_sp32): Merge into...
10785         (*tldo_stw_sp64): Likewise.
10786         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10787         (*tldo_stx_sp64): Use DImode throughout.
10788
10789 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10790
10791         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10792         check configure option to set BTI and Return Address Signing.
10793         * configure.ac: Add --enable-standard-branch-protection and
10794         --disable-standard-branch-protection.
10795         * configure: Regenerated.
10796         * doc/install.texi: Document the same.
10797
10798 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10799             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10800
10801         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10802         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10803         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10804         if bti is enabled.
10805         * config/aarch64/aarch64-bti-insert.c: New file.
10806         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10807         pass.
10808         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10809         new bti pass.
10810         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10811         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10812         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10813         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10814
10815 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10816
10817         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10818         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10819         Disable bti for -mbranch-protection=none.
10820         (aarch64_handle_standard_branch_protection): Enable bti for
10821         -mbranch-protection=standard.
10822         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10823         -mbranch-protection.
10824         (aarch64_bti_enabled): Check if bti is enabled.
10825         * config/aarch64/aarch64.opt: Declare target variable.
10826         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10827
10828 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10829
10830         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10831         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
10832         (aarch64_expand_epilogue): Likewise.
10833         (aarch64_output_mi_thunk): Likewise
10834         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
10835         TAILCALL_ADDR_REGS to x16 and x17.
10836         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
10837
10838 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10839
10840         * config/aarch64/aarch64-option-extensions.def: Define
10841         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
10842         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
10843         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
10844         (AARCH64_FL_PREDRES): New.
10845         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
10846         AARCH64_FL_PREDRES by default.
10847         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
10848
10849 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10850
10851         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
10852         ARMv8.5-A.
10853         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
10854         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
10855         * doc/invoke.texi: Document ARMv8.5-A.
10856
10857 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
10858
10859         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
10860         (xorsign<mode>3): Likewise.
10861
10862 2019-01-09  Jelinek  <jakub@redhat.com>
10863
10864         PR middle-end/88758
10865         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
10866         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
10867
10868         PR rtl-optimization/88331
10869         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
10870         not currently_expanding_to_rtl.
10871
10872 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10873
10874         * doc/invoke.texi (-Os): Remove trailing spaces.
10875         (-finline-functions): Remove reference to -O2.
10876
10877 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
10878
10879         PR rtl-optimization/79593
10880         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
10881
10882         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
10883         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
10884
10885 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
10886
10887         PR bootstrap/88721
10888         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
10889         to -1 on entry.
10890
10891         PR debug/88723
10892         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
10893         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
10894
10895 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
10896
10897         PR target/88717
10898         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
10899         ix86_avx_u128_mode_entry.
10900
10901 2019-01-08  Martin Liska  <mliska@suse.cz>
10902
10903         PR tree-optimization/88753
10904         * tree-switch-conversion.c (switch_conversion::build_one_array):
10905         Come up with local variable constructor.  Convert first to
10906         type of constructor values.
10907
10908 2019-01-08  Richard Biener  <rguenther@suse.de>
10909
10910         PR tree-optimization/86554
10911         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
10912         rpo_avail): Move earlier.
10913         (visit_nary_op): When value-numbering to expressions
10914         with different overflow behavior make sure there's an
10915         available expression on the path.
10916
10917 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
10918
10919         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
10920         aarch64_parse_branch_protection,
10921         struct aarch64_branch_protect_type,
10922         aarch64_handle_no_branch_protection,
10923         aarch64_handle_standard_branch_protection,
10924         aarch64_validate_mbranch_protection,
10925         aarch64_handle_pac_ret_protection,
10926         aarch64_handle_attr_branch_protection,
10927         accepted_branch_protection_string,
10928         aarch64_pac_ret_subtypes,
10929         aarch64_branch_protect_types,
10930         aarch64_handle_pac_ret_leaf): Define.
10931         (aarch64_override_options_after_change_1, aarch64_override_options):
10932         Add check for accepted_branch_protection_string.
10933         (aarch64_option_save): Save accepted_branch_protection_string.
10934         (aarch64_option_restore): Save accepted_branch_protection_string.
10935         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
10936         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
10937         msign-return-address.
10938         * doc/invoke.texi: Add mbranch-protection.
10939
10940 2019-01-08  Alan Modra  <amodra@gmail.com>
10941
10942         PR target/88614
10943         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
10944         Delete "unknownp" parameter.  Adjust callers.  Handle
10945         CONST_INT, PLUS, MINUS, and MULT.
10946         (attr_value_aligned): Renamed from or_attr_value.
10947         (min_attr_value): Return INT_MIN for unhandled rtl case..
10948         (min_fn): ..and translate to INT_MAX here.
10949         (write_length_unit_log): Modify to cope without "unknown".
10950         (write_attr_value): Handle IF_THEN_ELSE.
10951
10952 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10953
10954         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
10955         optimization for masked stores.
10956
10957 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
10958
10959         PR middle-end/88567
10960         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
10961         output vector directly to duplicate_and_interleave instead of
10962         going through a temporary.  Postpone insertion of ctor_seq to
10963         the end of the loop.
10964
10965 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
10966
10967         PR target/86891
10968         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
10969         unsigned_p.  Handle signed and unsigned overflow correction as
10970         required.
10971         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
10972         prototype.
10973         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
10974         for operand 2.
10975         (add<mode>3_compareV_imm): Make this callable for expanding.
10976         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
10977         aarch64_plus_operand for operand 2.
10978         (subv<GPI:mode>_insn): New insn pattern.
10979         (subv<GPI:mode>_imm): Likewise.
10980         (negv<GPI:mode>3): New expand pattern.
10981         (negv<GPI:mode>_insn): New insn pattern.
10982         (negv<GPI:mode>_cmp_only): Likewise.
10983         (cmpv<GPI:mode>_insn): Likewise.
10984         (subvti4): Use register_operand for operand 1.  Update call to
10985         aarch64_expand_subvti.
10986         (usubvti4): Likewise.
10987         (negvti3): New expand pattern.
10988         (negdi_carryout): New insn pattern.
10989         (negvdi_carryinV): New insn pattern.
10990         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
10991         version the named version.
10992         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
10993         operands.
10994         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
10995         patterns.
10996         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
10997         patterns.
10998         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
10999         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
11000         (sub<mode>3_carryinCV): Delete.
11001         (sub<GPI:mode>3_carryinV): New expand pattern.
11002         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
11003
11004 2019-01-07  Richard Biener  <rguenther@suse.de>
11005
11006         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
11007         of tree_operand_hash.
11008
11009 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11010
11011         PR tree-optimization/88598
11012         * tree.h (single_nonzero_element): Declare.
11013         * tree.c (single_nonzero_element): New function.
11014         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
11015         if I is the only nonzero element of CST.
11016
11017 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11018
11019         PR tree-optimization/88598
11020         * tree.h (initializer_each_zero_or_onep): Declare.
11021         * tree.c (initializer_each_zero_or_onep): New function.
11022         (signed_or_unsigned_type_for): Handle float types too.
11023         (unsigned_type_for, signed_type_for): Update comments accordingly.
11024         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
11025         x & { 0 or -1, 0 or -1, ... }.
11026
11027 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
11028
11029         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
11030         with x86_64-pc-linux-gnu.
11031
11032 2019-01-07  Tom de Vries  <tdevries@suse.de>
11033
11034         PR target/85486
11035         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11036         function.
11037         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11038         routines.
11039
11040 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11041
11042         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11043         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11044         TARGET_AVX512F as condition.
11045
11046         PR debug/88723
11047         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11048         const_not_ok_for_debug_p target hook.
11049         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11050         on UNSPEC and subexpressions thereof if all subexpressions of the
11051         UNSPEC are CONSTANT_P.
11052
11053         PR tree-optimization/88676
11054         * tree-ssa-phiopt.c (two_value_replacement): New function.
11055         (tree_ssa_phiopt_worker): Call it.
11056
11057         PR sanitizer/88619
11058         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11059         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11060
11061         PR c++/85052
11062         * tree-vect-generic.c: Include insn-config.h and recog.h.
11063         (expand_vector_piecewise): Add defaulted ret_type argument,
11064         if non-NULL, use that in preference to type for the result type.
11065         (expand_vector_parallel): Formatting fix.
11066         (do_vec_conversion, do_vec_narrowing_conversion,
11067         expand_vector_conversion): New functions.
11068         (expand_vector_operations_1): Call expand_vector_conversion
11069         for VEC_CONVERT ifn calls.
11070         * internal-fn.def (VEC_CONVERT): New internal function.
11071         * internal-fn.c (expand_VEC_CONVERT): New function.
11072         * fold-const-call.c (fold_const_vec_convert): New function.
11073         (fold_const_call): Use it for CFN_VEC_CONVERT.
11074         * doc/extend.texi (__builtin_convertvector): Document.
11075
11076 2019-01-07  Tom de Vries  <tdevries@suse.de>
11077
11078         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11079         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11080         vector_red_partition, vector_red_sym): New global variables.
11081         (nvptx_option_override): Initialize vector_red_sym.
11082         (nvptx_declare_function_name): Restore red_partition register.
11083         (nvptx_file_end): Emit code to declare the vector reduction variables.
11084         (nvptx_output_red_partition): New function.
11085         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11086         large vector reductions.
11087         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11088         (nvptx_init_builtins): Add VECTOR_ADDR.
11089         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11090         Handle nvptx_expand_shared_addr.
11091         (nvptx_get_shared_red_addr): Add vector argument and handle large
11092         vectors.
11093         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11094         large vectors.
11095         (nvptx_goacc_reduction_init): Likewise.
11096         (nvptx_goacc_reduction_fini): Likewise.
11097         (nvptx_goacc_reduction_teardown): Likewise.
11098         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11099         init,fini,teardown}.
11100         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11101         (nvptx_set_current_function): Init vector_red_partition.
11102         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11103         (nvptx_red_partition): New insn.
11104         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11105
11106 2019-01-07  Tom de Vries  <tdevries@suse.de>
11107
11108         PR target/85381
11109         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11110         empty loops.
11111
11112 2019-01-07  Tom de Vries  <tdevries@suse.de>
11113
11114         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11115         (nvptx_option_override): Init oacc_bcast_partition.
11116         (nvptx_init_oacc_workers): New function.
11117         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11118         (nvptx_needs_shared_bcast): New function.
11119         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11120         to propagate state.
11121         (nvptx_shared_propagate): Initialize vector bcast partition and
11122         synchronization state.
11123         (nvptx_single):  Generalize to enable vectors to use shared-memory
11124         to propagate state.
11125         (nvptx_process_pars): Likewise.
11126         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11127         * config/nvptx/nvptx.h (struct machine_function): Add
11128         bcast_partition and sync_bar members.
11129
11130 2019-01-07  Tom de Vries  <tdevries@suse.de>
11131
11132         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11133         (nvptx_apply_dim_limits): New function.
11134         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11135         PTX_WARP_SIZE.
11136
11137 2019-01-07  Tom de Vries  <tdevries@suse.de>
11138
11139         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11140         as late as possible.
11141
11142 2019-01-07  Tom de Vries  <tdevries@suse.de>
11143
11144         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11145         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11146         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11147         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11148         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11149
11150 2019-01-07  Tom de Vries  <tdevries@suse.de>
11151
11152         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11153
11154 2019-01-07  Tom de Vries  <tdevries@suse.de>
11155
11156         * omp-offload.c (oacc_get_min_dim): New function.
11157         * omp-offload.h (oacc_get_min_dim): Declare.
11158
11159 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11160
11161         PR target/88521
11162         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11163         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11164
11165 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11166
11167         PR tree-opt/86020
11168         Revert:
11169         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11170
11171         * ipa-inline.c (edge_badness): Use inlined_time instead of
11172         inline_summaries->get.
11173
11174 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11175
11176         * opts.c (enable_fdo_optimizations): Enable
11177         version-loops-for-strides, loop-interchange, unrol-and-jam
11178         and tree-loop-distribution.
11179         * invoke.texi: Document newly enabled options.
11180
11181 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11182
11183         * doc/invoke.texi (max-inline-insns-small): New parameters.
11184         * ipa-inline.c (want_early_inline_function_p): simplify.
11185         (want_inline_small_function_p): Fix pasto from previous patch;
11186         use max-inline-insns-small bound.
11187         * params.def (max-inline-insns-small): New param.
11188         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11189         variables correctly.
11190
11191 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11192
11193         * doc/invoke.texi: Document max-inline-insns-size,
11194         uninlined-function-insns, uninlined-function-time,
11195         uninlined-thunk-insns and uninlined-thunk-time.
11196         * params.def: Add max-inline-insns-size,
11197         uninlined-function-insns, uninlined-function-time,
11198         uninlined-thunk-insns and uninlined-thunk-time.
11199         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11200         new parameters.
11201         * ipa-inline.c (can_inline_edge_by_limits_p,
11202         want_inline_small_function_p): Use new parameters.
11203
11204 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11205
11206         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11207
11208 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11209
11210         PR middle-end/82564
11211         PR target/88620
11212         * expr.c (expand_assignment): For calls returning VLA structures
11213         if to_rtx is not a MEM, force it into a stack temporary.
11214
11215         PR debug/88635
11216         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11217         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11218         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11219         subexpressions of both operands.
11220         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11221         subrtxes are CONSTANT_P.
11222         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11223         2018-11-09 changes.
11224
11225 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11226
11227         * params.def (hot-bb-count-ws-permille): Set to 990.
11228
11229 2019-01-04  Martin Sebor  <msebor@redhat.com>
11230
11231         PR c/88546
11232         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11233         leaf.
11234
11235 2019-01-04  Martin Sebor  <msebor@redhat.com>
11236
11237         PR c/88363
11238         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11239
11240 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11241
11242         * gdbinit.in: Turn off pagination for the skip commands, restore
11243         it to previous state afterwards.
11244
11245 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11246
11247         PR target/88594
11248         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11249         of GET_MODE (opN) as modes of the libcall arguments.
11250
11251 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11252
11253         * config/i386/sse.md
11254         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11255         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11256         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11257         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11258         avx512f_vmcmp<mode>3<round_saeonly_name>,
11259         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11260         avx512f_maskcmp<mode>3,
11261         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11262         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11263         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11264         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11265         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11266         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11267         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11268         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11269         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11270         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11271         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11272         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11273         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11274         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11275         avx512cd_maskb_vec_dup<mode>,
11276         avx512cd_maskw_vec_dup<mode>,
11277         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11278         avx512dq_vmfpclass<mode>,
11279         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11280         instead of =Yk.
11281
11282 2019-01-03  Martin Sebor  <msebor@redhat.com>
11283
11284         PR tree-optimization/88659
11285         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11286
11287 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11288
11289         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11290         unaligned vsx and avoid lxvd2x/stxvd2x.
11291         (gen_lvx_v4si_move): New function.
11292
11293 2019-01-03  Tom de Vries  <tdevries@suse.de>
11294
11295         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11296         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11297         function.
11298         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11299
11300 2019-01-03  Tom de Vries  <tdevries@suse.de>
11301
11302         * config/nvptx/nvptx.c (struct offload_attrs): New.
11303         (populate_offload_attrs): New function.  Factor mask extraction out of
11304         nvptx_reorg.  Add extraction of dimensions.
11305         (nvptx_reorg): Use populate_offload_attrs.
11306
11307 2019-01-03  Tom de Vries  <tdevries@suse.de>
11308
11309         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11310         cases for oacc_min_dims_p and routine_p.  Add asserts for
11311         oacc_default_dims_p and offload_region_p.
11312
11313 2019-01-03  Tom de Vries  <tdevries@suse.de>
11314
11315         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11316         factored out of ...
11317         (nvptx_goacc_validate_dims): ... here.
11318
11319 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11320
11321         PR tree-optimization/85574
11322         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11323         structure.
11324         (struct ssa_equip_hash_traits): Declare.
11325         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11326
11327 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11328
11329         PR debug/88644
11330         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11331         change it to qualified_type.
11332
11333 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11334
11335         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11336         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11337
11338 2019-01-02  Martin Sebor  <msebor@redhat.com>
11339             Jeff Law  <law@redhat.com>
11340
11341         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11342         (get_range_strlen_tree): Update appropriately.
11343         (get_range_strlen)
11344         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11345
11346         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11347         rather than set_range_info.
11348         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11349         maybe_set_strlen_range.  Handle potentially boundary crossing
11350         cases more conservatively.
11351         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11352         Call set_strlen_range.
11353         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11354
11355         PR middle-end/88663
11356         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11357         need the flexp argument.
11358         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11359         from calls to get_range_strlen.  Update comments.  Just update
11360         VAL for an unterminated const char array and let the reset of the
11361         code handle it normally.  No longer try to set *flexp.  Adjust
11362         return value.
11363         (get_range_strlen): Update for the new get_range_strlen API.
11364         (get_maxval_strlen): Similarly.
11365         (gimple_fold_builtin_strlen): Handle update meaning of return value
11366         from get_range_strlen.
11367         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11368         get_range_strlen API.
11369
11370 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11371
11372         PR lto/88130
11373         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11374         false at WPA time when body was removed.
11375
11376 2019-01-02  Martin Liska  <mliska@suse.cz>
11377
11378         PR tree-optimization/88650
11379         * predict.c (set_even_probabilities): Calculate probability
11380         remainer only when really used.
11381
11382 2019-01-02  Richard Biener  <rguenther@suse.de>
11383
11384         PR middle-end/88651
11385         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11386         widest_ints when mangling max_stmt_execution results.
11387
11388 2019-01-02  Richard Biener  <rguenther@suse.de>
11389
11390         PR tree-optimization/88621
11391         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11392         bitfields when canoncalizing.
11393
11394 2019-01-02  Richard Biener  <rguenther@suse.de>
11395
11396         PR target/87545
11397         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11398         cost of cheap SSE instruction.
11399
11400 2019-01-02  Richard Biener  <rguenther@suse.de>
11401
11402         PR ipa/85574
11403         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11404         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11405         function.
11406         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11407         set after UIDs before splitting them.
11408
11409 2019-01-01  Martin Sebor  <msebor@redhat.com>
11410             Jeff Law  <law@redhat.com>
11411
11412         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11413         length is optimistic.  If it is, then arrange to compute the
11414         conservative length as well.
11415
11416         * gimple-fold.h (get_range_strlen): Update prototype.
11417         * builtins.c (check_access): Update call to get_range_strlen to use
11418         c_strlen_data pointer.   Change various variable accesses to instead
11419         pull data from the c_strlen_data structure.
11420         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11421         * calls.c (maybe_warn_nonstring_arg): Likewise.
11422         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11423         minimum length if maximum lengh is unknown.
11424         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11425         that used c_strlen, it's no longer needed.  Restructure slightly.
11426         (format_string): Set unlikely range appropriately.
11427         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11428         formatting issues.
11429         (get_range_strlen):  Accept c_strlen_data pointer for external
11430         call sites as well.  Pass through to call to internal get_range_strlen.
11431         Adjust minlen, maxlen and maxbound as needed.
11432         (get_maxval_strlen): Update comments.
11433         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11434         to use c_strlen_data pointer.  Change variable accesses to instead
11435         use c_strlen_data data members.
11436
11437         * gimple-fold.c (get_range_strlen): Update prototype.
11438         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11439         local variables.  Use pdata to return information to caller.
11440         Update calls to get_range_strlen.  Update pdata->maxbound.
11441         (get_range_strlen -- static version): Similarly.
11442         (get_range_strlen -- extern version): Update for internal
11443         get_range_strlen API change.  Convert to external data format.
11444         (get_maxval_strlen): Similarly.
11445
11446 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11447
11448         * coverage.c (get_coverage_counts): Use current_function_decl.
11449         * profile.c (read_thunk_profile): New function.
11450         (branch_prob): Add THUNK parameter.
11451         * tree-profile.c (tree_profiling): Handle thunks.
11452         * value-prof.c (init_node_map): Handle thunks.
11453         * value-prof.h (branch_prob): Upate prototype.
11454         (read_thunk_profile): Declare.
11455
11456 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11457
11458         Update copyright years.
11459
11460         * gcc.c (process_command): Update copyright notice dates.
11461         * gcov-dump.c (print_version): Ditto.
11462         * gcov.c (print_version): Ditto.
11463         * gcov-tool.c (print_version): Ditto.
11464         * gengtype.c (create_file): Ditto.
11465         * doc/cpp.texi: Bump @copying's copyright year.
11466         * doc/cppinternals.texi: Ditto.
11467         * doc/gcc.texi: Ditto.
11468         * doc/gccint.texi: Ditto.
11469         * doc/gcov.texi: Ditto.
11470         * doc/install.texi: Ditto.
11471         * doc/invoke.texi: Ditto.
11472 \f
11473 Copyright (C) 2019 Free Software Foundation, Inc.
11474
11475 Copying and distribution of this file, with or without modification,
11476 are permitted in any medium without royalty provided the copyright
11477 notice and this notice are preserved.