gcc/ChangeLog

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