gcc/ChangeLog

   1 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
   2             Michael Meissner  <meissner@linux.ibm.com>
   3
   4         * config/rs6000/constraints.md (eI): New constraint.
   5         * config/rs6000/predicates.md (cint34_operand): New predicate.
   6         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
   7         (SIGNED_34BIT_OFFSET_P): Likewise.
   8         * doc/md.texi (eI): Document constraint.
   9
  10 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
  11
  12         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
  13
  14 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
  15             Michael Meissner  <meissner@linux.ibm.com>
  16
  17         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
  18         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
  19         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
  20         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
  21         (OTHER_FUTURE_MASKS): Likewise.
  22         (POWERPC_MASKS): Likewise.
  23         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
  24         specified without -mprefixed-addr or -mcpu=future.  Error if
  25         -mprefixed-addr is specified without -mcpu=future.
  26         (rs6000_opt_masks): Add entry for prefixed-addr.
  27         * rs6000.opt (mprefixed-addr): New option.
  28
  29 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
  30
  31         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
  32         cfun->is_thunk check.
  33
  34 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
  35
  36         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
  37         to length.
  38
  39 2019-05-30  Martin Liska  <mliska@suse.cz>
  40
  41         * gdbinit.in: Fix 'ptc' command.  Add trt
  42         that prints TREE_TYPE($).
  43
  44 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
  45             Alan Modra  <amodra@gmail.com>
  46
  47         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
  48         calls here...
  49         (rs6000_indirect_call_template_1): ...and here.
  50         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
  51         plt16_ha, plt16_lo, mtctr indirect calls.  Use
  52         rs6000_pltseq_enum.
  53         (rs6000_decl_ok_for_sibcall): New function.
  54         (rs6000_function_ok_for_sibcall): Refactor.
  55         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
  56         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
  57         when pcrel.  Reorganize.
  58         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
  59         * rs6000.h (rs6000_pltseq_enum): New enum.
  60         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
  61         (*pltseq_tocsave): Use rs6000_pltseq_enum.
  62         (*pltseq_plt16_ha): Likewise.
  63         (*pltseq_plt16_lo): Likewise.
  64         (*pltseq_mtctr): Likewise.
  65         (*pltseq_plt_pcrel): New insn.
  66         (*call_local_aix): Handle @notoc calls.
  67         (*call_value_local_aix): Likewise.
  68         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
  69         (*call_value_nonlocal_aix): Likewise.
  70         (*call_indirect_pcrel): New insn.
  71         (*call_value_indirect_pcrel): Likewise.
  72
  73
  74 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
  75
  76         * config/i386/sse.md (*save_multiple<mode>): Rename from
  77         save_multiple<mode>.
  78         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
  79         (*restore_multiple_and_return<mode>): Rename from
  80         restore_multiple_and_return<mode>.
  81         (*restore_multiple_leave_return<mode>): Rename from
  82         restore_multiple_leave_return<mode>.
  83
  84 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
  85
  86         * config.gcc (rx-*-linux*): New target.
  87         * config/rx/elf.opt: New file.
  88         * config/rx/linux.h: Likewise.
  89         * config/rx/t-linux: Likewise.
  90         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
  91         make it zero.
  92         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
  93         (ASM_APP_OFF): Likewise.
  94         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
  95         moved elsewhere.
  96
  97 2019-05-29  Jan Hubicka  <jh@suse.cz>
  98
  99         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
 100         variants are pointer equivalent.
 101
 102 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 103
 104         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
 105         * config/aarch64/aarch64-sve2.md: New file.
 106         (<u>avg<mode>3_floor): New pattern.
 107         (<u>avg<mode>3_ceil): Likewise.
 108         (*<sur>h<addsub><mode>): Likewise.
 109         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
 110         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
 111
 112 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 113
 114         PR bootstrap/90543
 115         * optc-save-gen.awk: In cl_optimization_print, use correct condition
 116         for var_opt_string printing.  In cl_optimization_print_diff, print
 117         (null) instead of invoking undefined behavior if one of the
 118         var_opt_string pointers is NULL and use && instead of first || in the
 119         guarding condition.  For var_target_other options, handle const char *
 120         target variables similarly to const char * optimize node variables.
 121
 122 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
 123
 124         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
 125         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
 126         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
 127         Add autib1716 and pacib1716 initialisation.
 128         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
 129         for autib1716 and pacib1716.
 130         * config/aarch64/aarch64-protos.h (aarch64_key_type,
 131         aarch64_post_cfi_startproc): Define.
 132         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
 133         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
 134         aarch64_handle_pac_ret_protection): Set default sign key to A.
 135         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
 136         aarch64_expand_prologue): Add check for b-key.
 137         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
 138         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
 139         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
 140         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
 141         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
 142         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
 143         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 144         * config/aarch64/aarch64.md (do_return): Add check for b-key.
 145         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
 146         pauth_hint_num_a with pauth_hint_num.
 147         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
 148         pauth_hint_num_a with pauth_hint_num.
 149         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
 150         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
 151         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 152         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
 153         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
 154         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
 155         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
 156         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
 157         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
 158         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
 159         UNSPEC_AUTIA1716 respectively.
 160         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
 161         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
 162         * doc/invoke.texi (-mbranch-protection): Add b-key type.
 163         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
 164         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
 165
 166 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 167
 168         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
 169         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
 170         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
 171         explicit clause on combined parallel into implicit shared clause.
 172         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
 173         and firstprivate if the decl has one too from combined parallel to
 174         the worksharing construct.
 175
 176 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 177             Michael Meissner  <meissner@linux.ibm.com>
 178
 179         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
 180
 181 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
 182
 183         * rtl.h (LABEL_REF_P): New #define.
 184
 185 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
 186
 187         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
 188
 189 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
 190
 191         * internal-fn.c: Marked mask_load_direct as vectorizable.
 192         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
 193         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
 194         combined even if masks different with allow_slp_p param.
 195         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
 196         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
 197         dissolve SLP-only vectorizable groups when SLP has been discarded.
 198         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
 199         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
 200         masks.
 201         (vect_build_slp_tree_1): Fixed comment typo.
 202         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
 203         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
 204         loads for SLP only.
 205         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
 206         vectorizable.
 207         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
 208
 209 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 210
 211         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
 212         Remove obsolete use_thunk reference.
 213         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 214         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 215         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 216         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 217         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 218         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 219         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 220         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 221         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 222
 223 2019-05-28  Nathan Sidwell  <nathan@acm.org>
 224
 225         * tree.h (IDENTIFIER_ANON_P): New.
 226         (anon_aggrname_format, anon_aggname_p): Don't declare.
 227         (make_anon_name): Declare.
 228         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
 229         (hash_tree): Likewise.
 230         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
 231         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
 232         (anon_cnt, make_anon_name): New.
 233
 234 2019-05-28  Martin Liska  <mliska@suse.cz>
 235
 236         PR other/90315
 237         * opts-global.c (decode_options): Print help for all
 238         help_option_arguments.
 239         * opts.c (print_help): Add new argument.
 240         (common_handle_option): Remember all values into
 241         help_option_arguments.
 242         * opts.h (print_help): Add new argument.
 243
 244 2019-05-28  Martin Liska  <mliska@suse.cz>
 245
 246         PR ipa/90555
 247         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
 248         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
 249         (func_checker::compare_bb): Call compare_loops.
 250
 251 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
 252
 253         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
 254         on sections construct.
 255         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
 256         construct.
 257         (lower_omp_sections): Handle lastprivate conditional.
 258         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
 259         lastprivate_conditional_map.
 260         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
 261
 262         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
 263         critical, taskgroup and section regions when looking for a region
 264         with non-NULL lastprivate_conditional_map.
 265
 266 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 267
 268         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
 269         (*ix86_gen_sub3): Ditto.
 270         (*ix86_gen_sub3_carry): Ditto.
 271         (*ix86_gen_one_cmpl2): Ditto.
 272         (*ix86_gen_andsp): Ditto.
 273         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
 274         (gen_and2_insn): New static function.
 275         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
 276         Use gen_add3_insn instead of ix86_gen_add3.
 277         (ix86_expand_split_stack_prologue): Use gen_add2_insn
 278         instead of ix86_gen_add3.
 279         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
 280         Use gen_sub3_insn instead of ix86_gen_sub3.
 281         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
 282         instead of ix86_gen_add3.
 283         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
 284         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
 285         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
 286         * config/i386/i386-options.c (ix86_option_override_internal):
 287         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
 288         ix86_gen_one_cmpl2 and ix86_gen_andsp.
 289
 290 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 291
 292         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
 293         and DW_OP_GNU_const_index opcodes.
 294
 295 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
 296
 297         * config/i386/i386.h (STACK_SIZE_MODE): Define.
 298
 299 2019-05-27  Richard Biener  <rguenther@suse.de>
 300
 301         PR tree-optimization/90637
 302         * tree-ssa-sink.c (statement_sink_location): Honor the
 303         computed sink location for single-uses.
 304
 305 2019-05-27  Richard Biener  <rguenther@suse.de>
 306
 307         PR middle-end/90610
 308         * match.pd (vec_perm): Avoid clobbering op0 when not generating
 309         a bit-insert.
 310
 311 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 312
 313         * config/i386/i386.md (@sub<mode>3_carry): Rename
 314         from sub<mode>3_carry.
 315         (@leave_<mode>): New expander.
 316         (*leave): Rename from leave.
 317         (*leave_rex64): Rename from leave_rex64.
 318         (@monitorx_<mode>): Rename from monitorx_<mode>.
 319         (@clzero_<mode>): Rename from clzero_<mode>.
 320         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
 321         from sse3_monitor_<mode>.
 322         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
 323         (*ix86_gen_leave): Ditto.
 324         (*ix86_gen_monitor): Ditto.
 325         (*ix86_gen_monitorx): Ditto.
 326         (*ix86_gen_clzero): Ditto.
 327         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
 328         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
 329         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
 330         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
 331         Use gen_sse3_monitor instead of ix86_gen_monitor.
 332         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
 333         instead of ix86_gen_monitorx.
 334         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
 335         instead of ix86_gen_clzero.
 336         * config/i386/i386-options.c (ix86_option_override_internal):
 337         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
 338         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
 339
 340 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 341
 342         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
 343         Rename from tls_global_dynamic_64_<mode>.
 344         (@tls_local_dynamic_base_64_<mode>): Rename from
 345         tls_local_dynamic_base_64_<mode>.
 346         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
 347         Remove indirect function.
 348         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
 349         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
 350         instead of ix86_gen_tls_global_dynamic_64.
 351         Use gen_tls_local_dynamic_base_64 instead of
 352         ix86_gen_tls_local_dynamic_base_64.
 353         * config/i386/i386-options.c (ix86_option_override_internal):
 354         Do not initialize ix86_gen_tls_global_dynamic_64 and
 355         ix86_gen_tls_local_dynamic_base_64.
 356
 357 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
 358
 359         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
 360         Rename from pro_epilogue_adjust_stack_<mode>_add.
 361         (@pro_epilogue_adjust_stack_sub_<mode>)
 362         Rename from pro_epilogue_adjust_stack_<mode>_sub.
 363         (@allocate_stack_worker_probe_<mode>):
 364         Rename from allocate_stack_worker_probe_<mode>.
 365         (allocate_stack): Use gen_allocate_stack_worker_probe.
 366         (probe_stack): Use gen_probe_stack_1.
 367         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 368         (@adjust_stack_and_probe_<mode>): Rename from
 369         adjust_stack_and_probe<mode>.
 370         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 371         (stack_protect_set): Use gen_stack_protect_set_1.
 372         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 373         (stack_protect_test): Use gen_stack_protect_test_1.
 374         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 375         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 376         Remove indirect function.
 377         (*ix86_gen_adjust_stack_and_probe): Ditto.
 378         (*ix86_gen_probe_stack_range): Ditto.
 379         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 380         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 381         (ix86_adjust_stack_and_probe_stack_clash): Use
 382         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 383         (ix86_adjust_stack_and_probe): Ditto.
 384         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 385         of ix86_gen_probe_stack_range.
 386         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 387         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 388         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 389         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 390         CODE_FOR_stack_protect_test_{si,di}.
 391         * config/i386/i386-options.c (ix86_option_override_internal):
 392         Do not initialize ix86_gen_allocate_stack_worker,
 393         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 394
 395 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 396
 397         * doc/invoke.texi (Link Options): Many editorial changes around
 398         -flinker-output.
 399
 400 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 401
 402         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 403         pre-Solaris 11 referene and most Studio compiler details.
 404
 405 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 406
 407         PR target/90530
 408         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 409         DImode to SImode in floating-point registers on 64-bit target.
 410         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 411         register_operand in xmpyu patterns.
 412
 413 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 414
 415         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 416         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 417         OMP_CLAUSE__REDUCTEMP_.
 418         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 419         OMP_CLAUSE__CONDTEMP_.
 420         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 421         * tree-pretty-print.c (dump_omp_clause): Likewise.
 422         * tree-nested.c (convert_nonlocal_omp_clauses,
 423         convert_local_omp_clauses): Likewise.
 424         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 425         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 426         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 427         on OMP_FOR.
 428         (gimplify_omp_for): Warn and disable conditional modifier from
 429         lastprivate on loop iterators.
 430         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 431         member.
 432         * omp-general.c (omp_extract_for_data): Initialize it.
 433         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 434         member.
 435         (delete_omp_context): Delete it.
 436         (lower_lastprivate_conditional_clauses): New function.
 437         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 438         handle lastprivate conditional clauses.
 439         (lower_reduction_clauses): Add CLIST argument, emit it into
 440         the critical section if any.
 441         (lower_omp_sections): Adjust lower_lastprivate_clauses and
 442         lower_reduction_clauses callers.
 443         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
 444         to lower_lastprivate_clauses.
 445         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
 446         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
 447         clist into a critical section if not emitted there already by
 448         lower_reduction_clauses.
 449         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
 450         callers.
 451         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
 452         conditional variables.
 453         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
 454         clause is present.
 455         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 456         expand_omp_for_static_chunk): Handle lastprivate conditional.
 457         (expand_omp_for): Handle fd.lastprivate_conditional like
 458         fd.have_reductemp.
 459
 460 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 461
 462         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
 463         kernel does not exit cleanly.
 464         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
 465
 466 2019-05-24  Jason Merrill  <jason@redhat.com>
 467
 468         Revert:
 469         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 470
 471 2019-05-24  Richard Biener  <rguenther@suse.de>
 472
 473         PR testsuite/90607
 474         * tree-loop-distribution.c (struct partition): Add location
 475         member.
 476         (partition_alloc): Initialize all fields.
 477         (generate_memset_builtin): Use the location recorded in the
 478         partition for the generated call.
 479         (generate_memcpy_builtin): Likewise.
 480         (classify_partition): Record the location of a single store
 481         as location for the partition.
 482
 483 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 484
 485         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
 486         for lo-part.
 487
 488 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
 489
 490         PR target/90588
 491         * common/config/aarch64/aarch64-common.c
 492         (aarch64_rewrite_selected_cpu): Change local temporary variable
 493         type from unsigned long to uint64_t.
 494         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
 495         aarch64_get_extension_string_for_isa_flags): Change declaration to
 496         match new definition by replacing unsigned long with uint64_t.
 497
 498 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 499
 500         PR target/90568
 501         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
 502         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
 503         Handle stack_protect_test_<mode> codegen similarly to corresponding
 504         sub instruction.
 505
 506 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
 507
 508        * config/i386/darwin.h: Reject -mfentry*.
 509        * doc/sourcebuild.texi: Document mfentry target support.
 510
 511 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 512
 513         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
 514         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
 515         false for PC-relative functions.
 516         (rs6000_output_function_prologue): Change called function name to
 517         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
 518         name,1" for PC-relative functions.
 519         (rs6000_elf_declare_function_name): Change called function name to
 520         rs6000_global_entry_point_prologue_needed_p.
 521
 522 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
 523
 524         PR target/90552
 525         * config/i386/i386.c (gen_rtx_cost):
 526         Use ix86_tune_cost instead of ix86_cost.
 527
 528 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 529             Michael Meissner  <meissner@linux.ibm.com>
 530             Segher Boessenkool  <segher@kernel.crashing.org>
 531
 532         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
 533         OPTION_MASK_PCREL.
 534         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
 535         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
 536         (rs6000_fndecl_pcrel_p): Likewise.
 537         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
 538         error if -mpcrel is requested without -mcpu=future.
 539         (rs6000_opt_masks): Add entry for pcrel.
 540         (rs6000_fndecl_pcrel_p): New function.
 541         (rs6000_pcrel_p): Likewise.
 542         * config/rs6000/rs6000.opt (mpcrel): New option.
 543         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
 544
 545 2019-05-23  Jan Hubicka  <jh@suse.cz>
 546             Martin Liska  <mliska@suse.cz>
 547
 548         PR tree-optimization/90576
 549         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
 550         poly_int_tree_p.
 551         (aliasing_component_refs_p): Fix three way size compare conditional;
 552         give up earlier in case we can not decide on equivalence.
 553
 554 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 555             Michael Meissner  <meissner@linux.ibm.com>
 556             Segher Boessenkool  <segher@kernel.crashing.org>
 557
 558         * config.gcc: Add future cpu.
 559         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
 560         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
 561         #define.
 562         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
 563         (RS6000_CPU): New instantiation for future cpu.
 564         * config/rs6000/rs6000-opts.h (enum processor_type): Add
 565         PROCESSOR_FUTURE.
 566         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
 567         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
 568         * config/rs6000/rs6000-tables.opt: Regenerate.
 569         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
 570         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
 571         (rs6000_machine_from_flags): Handle future cpu.
 572         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
 573         PROCESSOR_POWER9 for now.
 574         (rs6000_adjust_cost): Likewise.
 575         (rs6000_issue_rate): Likewise.
 576         (rs6000_register_move_cost): Likewise.
 577         (rs6000_opt_masks): Add entry for future.
 578         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
 579         (MASK_FUTURE): New #define.
 580         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
 581         * config/rs6000/rs6000.opt (mfuture): New target option.
 582         * doc/invoke.texi (mcpu): Add future cpu.
 583
 584 2019-05-23  Martin Liska  <mliska@suse.cz>
 585
 586         PR c++/90587
 587         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
 588         operation points to a temporary (pointed via tree_to_wide_ref)
 589         that is out of scope after the &.
 590
 591 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 592
 593         PR c++/90592
 594         * doc/extend.texi (Function Names): Add missing word.
 595
 596 2019-05-23  Richard Biener  <rguenther@suse.de>
 597
 598         PR tree-optimization/88440
 599         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
 600         at -O[2s]+.
 601         * tree-loop-distribution.c (generate_memset_builtin): Fold the
 602         generated call.
 603         (generate_memcpy_builtin): Likewise.
 604         (distribute_loop): Pass in whether to only distribute patterns.
 605         (prepare_perfect_loop_nest): Also allow size optimization.
 606         (pass_loop_distribution::execute): When optimizing a loop
 607         nest for size allow pattern replacement.
 608
 609 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
 610
 611         PR target/90568
 612         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
 613         of xor.
 614
 615 2019-05-23  Martin Liska  <mliska@suse.cz>
 616
 617         PR sanitizer/90570
 618         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
 619         expression similarly to gimplify_decl_expr.
 620
 621 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 622
 623         * cse.c (cse_dump_path): s/dump_file/f.
 624
 625 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
 626
 627         PR c++/90462
 628         * diagnostic-format-json.cc: Include "selftest.h".
 629         (json_from_expanded_location): Only add "file" key for non-NULL
 630         file strings.
 631         (json_from_location_range): Don't add "start" and "finish"
 632         children if they are UNKNOWN_LOCATION.
 633         (selftest::test_unknown_location): New selftest.
 634         (selftest::test_bad_endpoints): New selftest.
 635         (selftest::diagnostic_format_json_cc_tests): New function.
 636         * json.cc (json::object::get): New function.
 637         (selftest::test_object_get): New selftest.
 638         (selftest::json_cc_tests): Call it.
 639         * json.h (json::object::get): New decl.
 640         * selftest-run-tests.c (selftest::run_tests): Call
 641         selftest::diagnostic_format_json_cc_tests.
 642         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
 643         decl.
 644
 645 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 646             Andrew Stubbs  <amd@codesourcery.com>
 647
 648         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 649         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 650         (kernel): Rename to...
 651         (main_kernel): ... this.
 652         (load_image): Load _init_array and _fini_array kernels.
 653         (run): Add argument for kernel to run.
 654         (main): Run init_array_kernel before main_kernel, and
 655         fini_array_kernel after.
 656         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 657         amdgpu_hsa_kernel attribute on functions.
 658         (gcn_disable_constructors): Delete.
 659         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 660         * config/gcn/crt0.c (size_t): Define.
 661         (_init_array, _fini_array): New.
 662         (__preinit_array_start, __preinit_array_end,
 663         __init_array_start, __init_array_end,
 664         __fini_array_start, __fini_array_end): Declare weak references.
 665
 666 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 667
 668         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 669
 670 2019-05-22  Jason Merrill  <jason@redhat.com>
 671
 672         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 673
 674 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 675
 676         PR target/88483
 677         * config/i386/i386-options.c (ix86_init_machine_status): Set
 678         stack_frame_required to true.
 679         * config/i386/i386.c (ix86_get_frame_size): New function.
 680         (ix86_frame_pointer_required): Replace get_frame_size with
 681         ix86_get_frame_size.
 682         (ix86_compute_frame_layout): Likewise.
 683         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 684         stack_frame_required.
 685         (ix86_finalize_stack_frame_flags): Always call
 686         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
 687         ix86_get_frame_size.
 688         * config/i386/i386.h (machine_function): Add stack_frame_required.
 689
 690 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
 691
 692         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
 693
 694 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
 695
 696         * common/config/aarch64/aarch64-common.c
 697         (struct aarch64_option_extension, struct processor_name_to_arch,
 698         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
 699         aarch64_contains_opt,
 700         aarch64_get_extension_string_for_isa_flags): Change type of
 701         variables storing flags to uint64_t.
 702         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
 703         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
 704         * config/aarch64/aarch64.c (struct processor,
 705         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
 706         aarch64_validate_march, aarch64_override_options,
 707         aarch64_option_print, aarch64_handle_attr_isa_flags,
 708         aarch64_declare_function_name, aarch64_start_file): Make flag
 709         variables uint64_t.
 710         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
 711         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
 712         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
 713         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 714         * config/aarch64/driver-aarch64.c
 715         (struct aarch64_arch_extension, struct aarch64_core_data,
 716         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 717         flag variables uint64_t.
 718         * doc/invoke.texi: Add documentation for new arguments.
 719
 720 2019-05-22  Richard Biener  <rguenther@suse.de>
 721
 722         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 723         rewrite ...
 724         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 725
 726 2019-05-22  Martin Liska  <mliska@suse.cz>
 727
 728         PR lto/90500
 729         * doc/extend.texi: Document the change.
 730
 731 2019-05-22  Richard Biener  <rguenther@suse.de>
 732
 733         PR tree-optimization/90450
 734         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 735         (mem_ref_hasher::equal): Check it.
 736         (mem_ref_alloc): Initialize it.
 737         (gather_mem_refs_stmt): Set it.
 738
 739 2019-05-22  Richard Biener  <rguenther@suse.de>
 740
 741         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 742         Add ABS_EXPR.
 743         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 744         as ABSU_EXPR.
 745
 746 2019-05-22  Alan Modra  <amodra@gmail.com>
 747
 748         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 749         (ASM_CPU_SPEC): Conditionally add -many.
 750         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 751         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 752         (rs6000_file_start): ..extracted from here, and modified to
 753         test all ISA bits.
 754         (rs6000_output_function_prologue): Emit .machine as necessary.
 755         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 756         power mnemonics.
 757         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 758         added by check_vect_support_and_set_flags.
 759         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 760         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 761
 762 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 763
 764         PR middle-end/90553
 765         * ira-lives.c (process_bb_node_lives): Consider defs
 766         for a call insn to be die before the call, not after.
 767
 768         * function.c (assign_parm_setup_block): Raise alignment of
 769         stacked parameter only for STRICT_ALIGNMENT targets.
 770
 771 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 772
 773         * config/rs6000/constraints.md (define_register_constraint "wz"):
 774         Delete.
 775         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 776         RS6000_CONSTRAINT_wz.
 777         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 778         (rs6000_init_hard_regno_mode_ok): Adjust.
 779         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 780         * doc/md.texi (Machine Constraints): Adjust.
 781
 782 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 783
 784         * config/rs6000/constraints.md (define_register_constraint "wl"):
 785         Delete.
 786         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 787         RS6000_CONSTRAINT_wl.
 788         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 789         (rs6000_init_hard_regno_mode_ok): Adjust.
 790         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 791         * doc/md.texi (Machine Constraints): Adjust.
 792
 793 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 794
 795         * config/rs6000/constraints.md (define_register_constraint "wm"):
 796         Delete.
 797         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 798         RS6000_CONSTRAINT_wm.
 799         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 800         (rs6000_init_hard_regno_mode_ok): Adjust.
 801         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 802         * doc/md.texi (Machine Constraints): Adjust.
 803
 804 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 805
 806         * config/rs6000/constraints.md (define_register_constraint "wk"):
 807         Delete.
 808         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 809         RS6000_CONSTRAINT_wk.
 810         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 811         (rs6000_init_hard_regno_mode_ok): Adjust.
 812         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 813         * doc/md.texi (Machine Constraints): Adjust.
 814
 815 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 816
 817         * config/rs6000/constraints.md (define_register_constraint "wj"):
 818         Delete.
 819         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 820         RS6000_CONSTRAINT_wj.
 821         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 822         (rs6000_init_hard_regno_mode_ok): Adjust.
 823         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 824         (VS_64dm): Delete.
 825         * config/rs6000/vsx.md: Ditto.
 826         * doc/md.texi (Machine Constraints): Adjust.
 827
 828 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 829
 830         * config/rs6000/constraints.md (define_register_constraint "wh"):
 831         Delete.
 832         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 833         RS6000_CONSTRAINT_wh.
 834         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 835         (rs6000_init_hard_regno_mode_ok): Adjust.
 836         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 837         * doc/md.texi (Machine Constraints): Adjust.
 838
 839 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 840
 841         PR target/90547
 842         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 843         Avoid calling gen_lowpart with CONST operand.
 844
 845 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 846
 847         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 848         field template_last_to_copy.
 849         (ssa_create_duplicates): Set it, and use it.  Attempt to
 850         preserve more debug stmts.
 851
 852 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 853
 854         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 855         (signbit<mode>2): New expander
 856
 857 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 858
 859         PR bootstrap/87338
 860         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 861         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 862
 863 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 864
 865         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 866         %ebx and %ecx bafore calling cpuid with leaf 1 or
 867         non-constant leaf argument.
 868
 869 2019-05-21  Alan Modra  <amodra@gmail.com>
 870
 871         PR target/90545
 872         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 873         power9 direct move cost.
 874         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 875         Correct comments and rename functions to suit parameters.
 876
 877 2019-05-21  Richard Biener  <rguenther@suse.de>
 878
 879         PR middle-end/90510
 880         * fold-const.c (fold_read_from_vector): New function.
 881         * fold-const.h (fold_read_from_vector): Declare.
 882         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 883         single-element insert permutations.  Canonicalize selector
 884         further and fix issue with last commit.
 885
 886 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 887
 888         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 889         parameter with default value false to declaration.
 890         (split_edges_for_insertion): New inline function.  Wrapper for
 891         split_critical_edges with for_edge_insertion_p = true.
 892         * tree-cfg.c (split_critical_edges): Don't split non-critical
 893         edges if for_edge_insertion_p is false.  Fix whitespace.
 894         * tree-ssa-pre.c (pass_pre::execute): Call
 895         split_edges_for_insertion instead of split_critical_edges.
 896         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 897         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 898         (pass_data_sink_code): Update function name in the comment.
 899
 900 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 901
 902         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 903         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 904         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 905         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 906         positives.
 907
 908 2019-05-21  Martin Liska  <mliska@suse.cz>
 909
 910         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 911         an extra newline.
 912         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 913         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 914         vec_lvsr.
 915         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 916         Quote a C type.
 917         (rs6000_function_arg): Likewise.
 918         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 919         (rs6000_expand_ternop_builtin): Use interval syntax.
 920         (get_element_number): Likewise.
 921         (altivec_expand_builtin): Likewise.
 922         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 923
 924 Fix test-suite.
 925
 926 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 927
 928         PR c++/59813
 929         PR target/90418
 930         * function.h (struct function): Add calls_eh_return member.
 931         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 932         gimplifying __builtin_eh_return call.
 933         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 934         to cfun.
 935         (expand_call_inline): Or in src_cfun->calls_eh_return into
 936         dst_cfun->calls_eh_return.
 937         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 938         cfun->calls_eh_return.
 939         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 940         * lto-streamer-out.c (output_struct_function_base): Write
 941         calls_eh_return.
 942
 943 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 944
 945         PR rtl-optimization/43147
 946         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 947         IX86_BUILTIN_SHUFPD.
 948
 949 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 950
 951         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 952         (refs_may_alias_p_1): ... here; update stats.
 953         (refs_may_alias_p): Do not update stats here.
 954
 955 2019-05-20  Richard Biener  <rguenther@suse.de>
 956
 957         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 958         doesn't produce pointers.
 959         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 960         the first operand points to.
 961
 962 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 963
 964         * tree-ssa-alias.c (compare_sizes): New function.
 965         (sompare_type_sizes): New function
 966         (aliasing_component_refs_p): Use it.
 967         (indirect_ref_may_alias_decl_p): Likewise.
 968
 969 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 970
 971         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 972
 973 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 974
 975         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 976         (LIBLSAN_EARLY_SPEC): Likewise.
 977         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 978
 979 2019-05-20  Martin Liska  <mliska@suse.cz>
 980
 981         * config/i386/i386.c (ix86_libc_has_fast_function):
 982         Add ATTRIBUTE_UNUSED for the argument.
 983
 984 2019-05-20  Richard Biener  <rguenther@suse.de>
 985
 986         * gimple-match-head.c: Include vec-perm-indices.h.
 987         * generic-match-head.c: Likewise.
 988         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 989         is included.
 990         * fold-const.c (fold_vec_perm): Export.
 991         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 992         (match.pd): ...here.
 993
 994 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 995
 996         * cfgloop.h (struct loop): Add simdlen member.
 997         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 998         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 999         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
1000         as new argument to autovectorize_vector_sizes target hook.  If
1001         loop->simdlen, pick up vector size where the vectorization factor
1002         is equal to loop->simd, and if there is none, fall back to the first
1003         successful one.
1004         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
1005         caller.
1006         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1007         * omp-general.c (omp_max_vf): Likewise.
1008         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
1009         * tree-vect-slp.c (vect_slp_bb): Likewise.
1010         * target.def (autovectorize_vector_sizes): Add ALL argument and
1011         document it.
1012         * doc/tm.texi: Adjust documentation.
1013         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
1014         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
1015         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
1016         bool argument.
1017         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
1018         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
1019         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
1020         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
1021         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
1022         preferred vector size is not 512-bit or 256-bit, just put those
1023         unpreferred ones last.
1024
1025 2019-05-20  Martin Liska  <mliska@suse.cz>
1026
1027         * targhooks.c (default_libc_has_fast_function): New function.
1028         * targhooks.h (default_libc_has_fast_function): Likewise.
1029
1030 2019-05-20  Martin Liska  <mliska@suse.cz>
1031
1032         PR middle-end/90263
1033         * builtins.c (expand_builtin_memory_copy_args): When having a
1034         target with fast mempcpy implementation do now use memcpy.
1035         * config/i386/i386.c (ix86_libc_has_fast_function): New.
1036         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
1037         * doc/tm.texi: Likewise.
1038         * doc/tm.texi.in: Likewise.
1039         * target.def:
1040         * expr.c (emit_block_move_hints): Add 2 new arguments.
1041         * expr.h (emit_block_move_hints): Bail out when libcall
1042         to memcpy would be used.
1043
1044 2019-05-20  Martin Liska  <mliska@suse.cz>
1045
1046         * profile-count.c: Add vertical spacing in order
1047         to separate functions.
1048         * profile-count.h: Likewise.
1049
1050 2019-05-20  Martin Liska  <mliska@suse.cz>
1051
1052         * profile-count.h: Do not use full qualified
1053         names if possible.
1054         * profile-count.c (profile_count::to_frequency): Likewise.
1055
1056 2019-05-20  Martin Liska  <mliska@suse.cz>
1057
1058         * profile-count.h (enum profile_quality): Use capital letters
1059         for enum value names.  Use the adjusted names.
1060         * profile-count.c: Use the adjusted names.
1061
1062 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1063
1064         * config/rs6000/constraints.md (define_register_constraint "wH"):
1065         Delete.
1066         (define_register_constraint "wI"): Delete.
1067         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1068         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
1069         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1070         (rs6000_init_hard_regno_mode_ok): Adjust.
1071         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
1072         resp. "d", or with "wa" as appropriate, all with "p8v".
1073         * config/rs6000/vsx.md: Ditto.
1074         * doc/md.texi (Machine Constraints): Adjust.
1075
1076 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1077
1078         * config/rs6000/constraints.md (define_register_constraint "wy"):
1079         Delete.
1080         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1081         RS6000_CONSTRAINT_wy.
1082         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1083         (rs6000_init_hard_regno_mode_ok): Adjust.
1084         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
1085         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
1086         (define_mode_attr Fisa): New.
1087         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
1088         * doc/md.texi (Machine Constraints): Adjust.
1089
1090 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1091
1092         * config/rs6000/constraints.md (define_register_constraint "wu"):
1093         Delete.
1094         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1095         RS6000_CONSTRAINT_wu.
1096         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1097         (rs6000_init_hard_regno_mode_ok): Adjust.
1098         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
1099         both with "p8v".
1100         (define_mode_attr Fa): Delete.
1101         * config/rs6000/vsx.md: Ditto.
1102         * doc/md.texi (Machine Constraints): Adjust.
1103
1104 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1105
1106         * config/rs6000/constraints.md (define_register_constraint "wJ"):
1107         Delete.
1108         (define_register_constraint "wK"): Delete.
1109         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1110         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
1111         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1112         (rs6000_init_hard_regno_mode_ok): Adjust.
1113         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
1114         Replace "wK" constraint by "wH" with "p9v".
1115         * config/rs6000/vsx.md: Ditto.
1116         * doc/md.texi (Machine Constraints): Adjust.
1117
1118 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1119
1120         * config/rs6000/constraints.md (define_register_constraint "wb"):
1121         Delete.
1122         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1123         RS6000_CONSTRAINT_wb.
1124         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1125         (rs6000_init_hard_regno_mode_ok): Adjust.
1126         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
1127         * config/rs6000/vsx.md: Ditto.
1128         * doc/md.texi (Machine Constraints): Adjust.
1129
1130 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1131
1132         * config/rs6000/constraints.md (define_register_constraint "wo"):
1133         Delete.
1134         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1135         RS6000_CONSTRAINT_wo.
1136         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1137         (rs6000_init_hard_regno_mode_ok): Adjust.
1138         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
1139         * config/rs6000/altivec.md: Ditto.
1140         * doc/md.texi (Machine Constraints): Adjust.
1141
1142 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1143
1144         * config/darwin-c.c (darwin_register_objc_includes): Do not
1145         prepend the sysroot when building gnu-runtime header search
1146         paths.
1147
1148 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
1149
1150         * config/darwin.c (darwin_file_end): Use switch_to_section ()
1151         instead of direct output of the asm.
1152
1153 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1154
1155         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
1156         argument to be type bool (was int before).
1157         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
1158         at first use.  Use type bool for some variables.  Fix a theoretical
1159         eh_return bug for svr4.
1160
1161 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
1162
1163         * config/rs6000/rs6000.md (isa): New attribute.
1164         (enabled): New attribute.
1165
1166 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
1167
1168         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
1169         assemble_start_function and assemble_end_function.
1170
1171 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
1172
1173         PR middle-end/89433
1174         * omp-general.c (oacc_verify_routine_clauses): Change formal
1175         parameters.  Add checking if already marked with an OpenACC
1176         'routine' directive.  Adjust all users.
1177
1178         PR middle-end/89433
1179         * omp-general.c (oacc_build_routine_dims): Move some of its
1180         processing into...
1181         (oacc_verify_routine_clauses): ... this new function.
1182         * omp-general.h (oacc_verify_routine_clauses): New prototype.
1183
1184 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1185
1186         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
1187         formating of picbase labels to match other ports.
1188
1189 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
1190
1191         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
1192         in the generated code.
1193
1194 2019-05-16  Martin Sebor  <msebor@redhat.com>
1195
1196         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
1197         identifiers, keywords, operators, and types in diagnostics.  Correct
1198         quoting, spelling, and sentence capitalization issues.
1199         (expand_builtin_atomic_is_lock_free): Same.
1200         (fold_builtin_next_arg): Same.
1201         * cfgexpand.c (expand_one_var): Same.
1202         (tree_conflicts_with_clobbers_p): Same.
1203         (expand_asm_stmt): Same.
1204         (verify_loop_structure): Same.
1205         * cgraphunit.c (process_function_and_variable_attributes): Same.
1206         * collect-utils.c (collect_execute): Same.
1207         * collect2.c (maybe_run_lto_and_relink): Same.
1208         (is_lto_object_file): Same.
1209         (scan_prog_file): Same.
1210         * convert.c (convert_to_real_1): Same.
1211         * dwarf2out.c (dwarf2out_begin_prologue): Same.
1212         * except.c (verify_eh_tree): Same.
1213         * gcc.c (execute): Same.
1214         (eval_spec_function): Same.
1215         (run_attempt): Same.
1216         (driver::set_up_specs): Same.
1217         (compare_debug_auxbase_opt_spec_function): Same.
1218         * gcov-tool.c (unlink_gcda_file): Same.
1219         (do_merge): Same.
1220         (do_rewrite): Same.
1221         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
1222         * gimplify.c (gimplify_asm_expr): Same.
1223         (gimplify_adjust_omp_clauses): Same.
1224         * hsa-gen.c (gen_hsa_addr_insns): Same.
1225         (gen_hsa_insns_for_load): Same.
1226         (gen_hsa_cmp_insn_from_gimple): Same.
1227         (gen_hsa_insns_for_operation_assignment): Same.
1228         (gen_get_level): Same.
1229         (gen_hsa_alloca): Same.
1230         (omp_simple_builtin::generate): Same.
1231         (gen_hsa_atomic_for_builtin): Same.
1232         (gen_hsa_insns_for_call): Same.
1233         * input.c (dump_location_info): Same.
1234         * ipa-devirt.c (compare_virtual_tables): Same.
1235         * ira.c (ira_setup_eliminable_regset): Same.
1236         * lra-assigns.c (lra_assign): Same.
1237         * lra-constraints.c (lra_constraints): Same.
1238         * lto-streamer-in.c (lto_input_mode_table): Same.
1239         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
1240         (merge_and_complain): Same.
1241         (compile_offload_image): Same.
1242         (compile_images_for_offload_targets): Same.
1243         (debug_objcopy): Same.
1244         (run_gcc): Same.
1245         (main): Same.
1246         * opts.c (print_specific_help): Same.
1247         (parse_no_sanitize_attribute): Same.
1248         (print_help): Same.
1249         (handle_param): Same.
1250         * plugin.c (add_new_plugin): Same.
1251         (parse_plugin_arg_opt): Same.
1252         (try_init_one_plugin): Same.
1253         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
1254         operators, and types in diagnostics.  Correct quoting and spelling
1255         issues.
1256         * read-rtl-function.c (parse_edge_flag_token): Same.
1257         (function_reader::parse_enum_value): Same.
1258         * reg-stack.c (check_asm_stack_operands): Same.
1259         * regcprop.c (validate_value_data): Same.
1260         * sched-rgn.c (make_pass_sched_fusion): Same.
1261         * stmt.c (check_unique_operand_names): Same.
1262         * targhooks.c (default_target_option_pragma_parse): Same.
1263         * tlink.c (recompile_files): Same.
1264         * toplev.c (process_options): Same.
1265         (do_compile): Same.
1266         * trans-mem.c (diagnose_tm_1): Same.
1267         (ipa_tm_scan_irr_block): Same.
1268         (ipa_tm_diagnose_transaction): Same.
1269         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1270         format a tree code name in a diagnostic.
1271         (verify_types_in_gimple_min_lval): Same.
1272         (verify_types_in_gimple_reference): Same.
1273         (verify_gimple_call): Same.
1274         (verify_gimple_assign_unary): Same.
1275         (verify_gimple_assign_binary): Same.
1276         (verify_gimple_assign_ternary): Same.
1277         (verify_gimple_assign_single): Same.
1278         (verify_gimple_switch): Same.
1279         (verify_gimple_label): Same.
1280         (verify_gimple_phi): Same.
1281         (verify_gimple_in_seq): Same.
1282         (verify_eh_throw_stmt_node): Same.
1283         (collect_subblocks): Same.
1284         (gimple_verify_flow_info): Same.
1285         (do_warn_unused_result): Same.
1286         * tree-inline.c (expand_call_inline): Same.
1287         * tree-into-ssa.c (update_ssa): Same.
1288         * tree.c (tree_int_cst_elt_check_failed): Same.
1289         (tree_vec_elt_check_failed): Same.
1290         (omp_clause_operand_check_failed): Same.
1291         (verify_type_variant): Same.
1292         (verify_type): Same.
1293         * value-prof.c (verify_histograms): Same.
1294         * varasm.c (assemble_start_function): Same.
1295
1296 2019-05-16  Martin Sebor  <msebor@redhat.com>
1297
1298         * config/i386/i386-expand.c (get_element_number): Quote keywords
1299         and other internal names in diagnostics.  Adjust other diagnostic
1300         formatting issues noted by -Wformat-diag.
1301         * config/i386/i386-features.c
1302         (ix86_mangle_function_version_assembler_name): Same.
1303         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1304         * config/i386/i386.c (ix86_function_type_abi): Same.
1305         (ix86_function_ms_hook_prologue): Same.
1306         (classify_argument): Same.
1307         (ix86_expand_prologue): Same.
1308         (ix86_md_asm_adjust): Same.
1309         (ix86_memmodel_check): Same.
1310
1311 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1312
1313         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1314         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1315         and fpxx modes.
1316
1317 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1318
1319         PR target/90497
1320         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1321         intrinsics without SSE/SSE2/SSSE3.
1322         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1323         check.
1324         (*mmx_uavgv8qi3): Likewise.
1325
1326 2019-05-17  Richard Biener  <rguenther@suse.de>
1327
1328         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1329         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1330
1331 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1332
1333         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1334         vec_sldw insn pattern.
1335
1336 2019-05-17  Richard Biener  <rguenther@suse.de>
1337
1338         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1339
1340 2019-05-17  Martin Liska  <mliska@suse.cz>
1341
1342         PR driver/90496
1343         * toplev.c (output_stack_usage): With LTO and sanitizer it
1344         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1345         has no file location.
1346
1347 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1348
1349         PR c++/90484
1350         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1351         sz0 is equal to sz1, instead return false in that case.
1352
1353         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1354         has non-constant expression, force sctx.lane and use two
1355         argument IFN_GOMP_SIMD_LANE instead of single argument.
1356         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1357         two argument IFN_GOMP_SIMD_LANE without lhs.
1358         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1359         member.
1360         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1361         Define.
1362         (LOOP_REQUIRES_VERSIONING): Or in
1363         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1364         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1365         simd_if_cond.
1366         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1367         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1368         from simd if clause if needed.
1369
1370 2019-05-16  Richard Biener  <rguenther@suse.de>
1371
1372         * tree-affine.c (expr_to_aff_combination): New function split
1373         out from...
1374         (tree_to_aff_combination): ... here.
1375         (aff_combination_expand): Avoid building a GENERIC tree.
1376
1377 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1378
1379         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1380         assemble_start_function and assemble_end_function calls.
1381         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1382         assemble_start_function and assemble_end_function.
1383         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1384         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1385         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1386         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1387         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1388         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1389         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1390         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1391         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1392         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1393         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1394         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1395         Likewise.
1396         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1397         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1398         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1399         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1400         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1401         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1402         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1403         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1404         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1405         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1406         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1407         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1408         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1409         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1410         Likewise.
1411         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1412         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1413         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1414
1415 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1416
1417         * tree-ssa-alias.c (alias_stats): Add
1418         aliasing_component_refs_p_may_alias and
1419         aliasing_component_refs_p_no_alias.
1420         (dump_alias_stats): Print aliasing_component_refs_p stats.
1421         (aliasing_component_refs_p): Update stats.
1422
1423 2019-05-16  Martin Liska  <mliska@suse.cz>
1424
1425         PR lto/90500
1426         * multiple_target.c (expand_target_clones): Do not allow
1427         target_clones being used with a symbol that is an alias.
1428
1429 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1430
1431         PR tree-optimization/90394
1432         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1433         positives rather than ICE for cases where (code2 == NE_EXPR
1434         && code1 == BIT_AND_EXPR).
1435
1436 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR fortran/90329
1439         * tree-core.h (struct tree_decl_common): Document
1440         decl_nonshareable_flag for PARM_DECLs.
1441         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1442         * calls.c (expand_call): Don't try tail call if caller
1443         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1444         passed on the stack and callee needs to pass any arguments on the
1445         stack.
1446         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1447         else if instead of series of mutually exclusive ifs.  Handle
1448         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1449         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1450
1451         * lto-streamer.h (LTO_major_version): Bump to 9.
1452
1453 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1454
1455         PR tree-optimization/90106
1456         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1457         new parameter as new internal function call, also move it to new
1458         basic block.
1459         (use_internal_fn): Pass internal function call to
1460         shrink_wrap_one_built_in_call_with_conds.
1461
1462 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1463
1464         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1465         max_vf to 1.
1466         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1467         safelen_int and set loop->dont_vectorize.
1468
1469 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1470
1471         PR target/89021
1472         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1473         SSE/SSE2/SSSE3.
1474         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1475         Likewise.
1476         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1477         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1478         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1479         is defined.
1480
1481 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1482
1483         PR target/89021
1484         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1485         define_insn_and_split to support SSE emulation.
1486         (*vec_extractv2sf_0): Likewise.
1487         (*vec_extractv2sf_1): Likewise.
1488         (*vec_extractv2si_0): Likewise.
1489         (*vec_extractv2si_1): Likewise.
1490         (*vec_extractv2si_zext_mem): Likewise.
1491         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1492         (vec_extractv2sf_1 splitter): Likewise.
1493         (vec_extractv2sfsf): Likewise.
1494         (vec_setv2si): Likewise.
1495         (vec_extractv2si_1 splitter): Likewise.
1496         (vec_extractv2sisi): Likewise.
1497         (vec_setv4hi): Likewise.
1498         (vec_extractv4hihi): Likewise.
1499         (vec_setv8qi): Likewise.
1500         (vec_extractv8qiqi): Likewise.
1501         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1502         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1503         (vec_extractv2sisi): Likewise.
1504         (vec_extractv4hihi): Likewise.
1505         (vec_extractv8qiqi): Likewise.
1506         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1507         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1508         (vec_initv2sisi): Likewise.
1509         (vec_initv4hihi): Likewise.
1510         (vec_initv8qiqi): Likewise.
1511         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1512         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1513         (vec_setv4hi): Likewise.
1514         (vec_setv8qi): Likewise.
1515
1516 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1517
1518         PR target/89021
1519         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1520         TARGET_MMX_WITH_SSE.
1521         (MMXMODE:*mov<mode>_internal): Likewise.
1522         (MMXMODE:movmisalign<mode>): Likewise.
1523
1524 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1525
1526         PR target/89021
1527         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1528         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1529         (sse2_cvtpd2pi): Ditto.
1530         (sse2_cvttpd2pi): Ditto.
1531         (*vec_concatv2sf_sse4_1): Ditto.
1532         (*vec_concatv2sf_sse): Ditto.
1533         (*vec_concatv2si_sse4_1): Ditto.
1534         (*vec_concatv2si): Ditto.
1535         (*vec_concatv4si_0): Ditto.
1536         (*vec_concatv2di_0): Ditto.
1537
1538 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1539
1540         PR target/89021
1541         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1542
1543 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1544
1545         PR target/89021
1546         * config/i386/sse.md (ssse3_palignrdi): Changed to
1547         define_insn_and_split to support SSE emulation.
1548
1549 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1550
1551         PR target/89021
1552         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1553
1554 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1555
1556         PR target/89021
1557         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1558         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1559         SSE emulation.
1560
1561 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1562
1563         PR target/89021
1564         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1565         or TARGET_MMX_WITH_SSE.
1566         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1567
1568 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1569
1570         PR target/89021
1571         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1572
1573 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1574
1575         PR target/89021
1576         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1577         Changed to define_insn_and_split to support SSE emulation.
1578
1579 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1580
1581         PR target/89021
1582         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1583         Changed to define_insn_and_split to support SSE emulation.
1584
1585 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1586
1587         PR target/89021
1588         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1589         (*mmx_<emms>): This.
1590         (mmx_<emms>): New expander.
1591
1592 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1593
1594         PR target/89021
1595         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1596         support.
1597         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1598
1599 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1600
1601         PR target/89021
1602         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1603
1604 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1605
1606         PR target/89021
1607         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1608
1609 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1610
1611         PR target/89021
1612         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1613         TARGET_MMX_WITH_SSE.
1614         (*mmx_uavgv4hi3): Add SSE emulation.
1615
1616 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1617
1618         PR target/89021
1619         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1620         and TARGET_MMX_WITH_SSE.
1621         (*mmx_uavgv8qi3): Add SSE emulation.
1622
1623 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1624
1625         PR target/89021
1626         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1627         maskmovdqu for __MMX_WITH_SSE__.
1628
1629 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1630
1631         PR target/89021
1632         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1633         TARGET_MMX and TARGET_MMX_WITH_SSE.
1634         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1635
1636 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1637
1638         PR target/89021
1639         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1640         define_insn_and_split to support SSE emulation.
1641
1642 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1643
1644         PR target/89021
1645         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1646         and TARGET_MMX_WITH_SSE.
1647         (mmx_<code>v8qi3): Likewise.
1648         (smaxmin:<code>v4hi3): New.
1649         (umaxmin:<code>v8qi3): Likewise.
1650         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1651         (umaxmin:*mmx_<code>v8qi3): Likewise.
1652
1653 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1654
1655         PR target/89021
1656         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1657         TARGET_MMX_WITH_SSE.
1658         (*mmx_pinsrw): Add SSE emulation.
1659
1660 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1661
1662         PR target/89021
1663         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1664
1665 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1666
1667         PR target/89021
1668         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1669         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1670         SSE emulation.
1671
1672 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1673
1674         PR target/89021
1675         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1676         (sse_cvttps2pi): Likewise.
1677
1678 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1679
1680         PR target/89021
1681         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1682         TARGET_MMX_WITH_SSE.
1683         (mmx_pshufw_1): Add SSE emulation.
1684         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1685         TARGET_MMX_WITH_SSE to support SSE emulation.
1686
1687 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1688
1689         PR target/89021
1690         * config/i386/constraints.md (Yw): New constraint.
1691         * config/i386/mmx.md (*vec_dupv2si): Changed to
1692         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1693         support SSE emulation.
1694
1695 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1696
1697         PR target/89021
1698         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1699         TARGET_MMX_WITH_SSE.
1700         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1701         support.
1702         (mmx_gt<mode>3): Likewise.
1703
1704 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1705
1706         PR target/89021
1707         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1708         TARGET_MMX_WITH_SSE.  Add SSE support.
1709
1710 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1711
1712         PR target/89021
1713         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1714         TARGET_MMX_WITH_SSE.
1715         (any_logic:<code><mode>3): New.
1716         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1717         Add SSE support.
1718
1719 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1720
1721         PR target/89021
1722         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1723         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1724         (mmx_<shift_insn><mode>3): Likewise.
1725         (ashr<mode>3): New.
1726         (<shift_insn><mode>3): Likewise.
1727
1728 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1729
1730         PR target/89021
1731         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1732         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1733
1734 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1735
1736         PR target/89021
1737         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1738         TARGET_MMX_WITH_SSE.
1739         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1740         SSE support.
1741
1742 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1743
1744         PR target/89021
1745         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1746         TARGET_MMX_WITH_SSE.
1747         (mulv4hi3): New.
1748         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1749         support.
1750
1751 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1752
1753         PR target/89021
1754         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1755         (plusminus:mmx_<plusminus_insn><mode>3): Check
1756         TARGET_MMX_WITH_SSE.
1757         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1758         (<plusminus_insn><mode>3): New.
1759         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1760         (*mmx_<plusminus_insn><mode>3): Likewise.
1761
1762 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1763
1764         PR target/89021
1765         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1766         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1767         prototype.
1768         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1769         define_insn_and_split to support SSE emulation.
1770         (mmx_punpcklbw): Likewise.
1771         (mmx_punpckhwd): Likewise.
1772         (mmx_punpcklwd): Likewise.
1773         (mmx_punpckhdq): Likewise.
1774         (mmx_punpckldq): Likewise.
1775
1776 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1777             Uros Bizjak  <ubizjak@gmail.com>
1778
1779         PR target/89021
1780         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1781         New function.
1782         (ix86_split_mmx_pack): Likewise.
1783         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1784         New prototype.
1785         (ix86_split_mmx_pack): Likewise.
1786         * config/i386/i386.md (mmx_isa): New.
1787         (enabled): Also check mmx_isa.
1788         * config/i386/mmx.md (any_s_truncate): New code iterator.
1789         (s_trunsuffix): New code attr.
1790         (mmx_packsswb): Removed.
1791         (mmx_packssdw): Likewise.
1792         (mmx_packuswb): Likewise.
1793         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1794         MMX packsswb/packuswb with SSE2.
1795         (mmx_packssdw): Likewise.
1796         * config/i386/predicates.md (register_mmxmem_operand): New.
1797
1798 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1799
1800         PR target/89021
1801         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1802         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1803         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1804         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1805         (ix86_vector_mode_supported_p): Likewise.
1806         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1807
1808 2019-05-15  Martin Liska  <mliska@suse.cz>
1809
1810         PR middle-end/90478
1811         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1812         Check for overflow.
1813
1814 2019-05-15  Richard Biener  <rguenther@suse.de>
1815
1816         * tree-into-ssa.c (pass_build_ssa::execute): Run
1817         update_address_taken before going into SSA.
1818
1819 2019-05-15  Richard Biener  <rguenther@suse.de>
1820
1821         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1822         as __BIT_FIELD_REF with type with -gimple.
1823
1824 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1825
1826         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1827         semantically equivalent branches (left over after prior refactorings).
1828
1829 2019-05-15  Richard Biener  <rguenther@suse.de>
1830
1831         PR tree-optimization/88828
1832         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1833         bogus check.
1834
1835 2019-05-14  Richard Biener  <rguenther@suse.de>
1836
1837         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1838         as __VIEW_CONVERT with -gimple.
1839
1840 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1841
1842         PR target/82920
1843         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1844         Darwin.
1845
1846 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1847
1848         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1849         define_split to become a define_insn_and_split.
1850
1851 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1852
1853         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1854         arguments.
1855         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1856         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1857         (sibcall_epilogue): Adjust.
1858         (epilogue): Adjust.
1859
1860 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1861
1862         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1863         to unsupported ones.
1864         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1865         * config.host: Likewise.
1866         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1867         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1868         __svr4__]: Remove "brand" fallback.
1869         [!KSTAT_DATA_STRING]: Remove.
1870         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1871         to *-*-solaris2*.
1872         (comdat_group): Likewise.
1873         (set_have_as_tls): Likewise.
1874         (gcc_cv_target_dl_iterate_phdr): Likewise.
1875         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1876         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1877         * configure: Regenerate.
1878         * doc/install.texi: Simplify Solaris target triplets.
1879         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1880         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1881         Remove Solaris 10 references.
1882         Remove obsolete Solaris bug reference.
1883         (Specific, sparc-sun-solaris2.10): Remove.
1884
1885 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1886
1887         * config/i386/i386.md (any_div): New code iterator.
1888         (paired_mod): New code attribute.
1889         (sgnprefix): Handle DIV and UDIV RTXes.
1890         (u): Ditto.
1891         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1892         and udivmod<mode>4 patterns using any_div code iterator.
1893         (divmod splitters): Macroize splitters using any_div code iterator.
1894         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1895         (*udivmodsi4_pow2_zext_2): Ditto.
1896         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1897         and *udivmod<mode>4_noext patterns using any_div code iterator.
1898         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1899         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1900         patterns using any_div code iterator.
1901         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1902         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1903         patterns using any_div code iterator.
1904         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1905         udivmodhiqi3 patterns using any_extend code iterator.
1906
1907 2019-05-14  Richard Biener  <rguenther@suse.de>
1908             H.J. Lu  <hongjiu.lu@intel.com>
1909
1910         PR tree-optimization/88828
1911         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1912         permuting in a single non-constant element not extracted
1913         from a vector.
1914
1915 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1916
1917         * internal-fn.def (SIGNBIT): New.
1918         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1919         defined.
1920         (signbitv4sf2): Likewise.
1921
1922 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1923
1924         PR target/90357
1925         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1926         next insn when the SRC reg is dead.
1927
1928 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1929
1930         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1931         (alloc_cand_and_find_basis): Ditto.
1932         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1933         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1934         (create_add_imm_cand, slsr_process_cast): Ditto.
1935         (slsr_process_copy, replace_mult_candidate): Ditto.
1936         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1937         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1938         (pass_strength_reduction::execute): Init the first NULL element.
1939
1940 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1941
1942         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1943         (run_attempt): Reformat line break.
1944
1945 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1946
1947         PR target/90418
1948         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1949         data registers in sibcall epilogues.
1950         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1951
1952 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1953
1954         PR target/89221
1955         * configure.ac (--enable-frame-pointer):
1956         Disable by default for cygwin and mingw.
1957         * configure: Regenerate.
1958
1959 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1960
1961         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1962         piece of code.
1963         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1964         (gen_member_die): Move abstract origin check earlier.  Only VARs
1965         can be static_inline_p.  Simplify splicing control flow.
1966
1967 2019-05-13  Richard Biener  <rguenther@suse.de>
1968
1969         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1970         VIEW_CONVERT_EXPR.
1971         (vect_build_slp_tree_1): Likewise.
1972
1973 2019-05-13  Richard Biener  <rguenther@suse.de>
1974
1975         PR tree-optimization/90402
1976         * tree-if-conv.c (tree_if_conversion): Value number only
1977         the loop body by making the latch an exit of the region
1978         as well.
1979         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1980         processing PHIs.
1981         (do_rpo_vn): Deal with multiple edges into the entry block
1982         that are not backedges inside the region by skipping PHIs
1983         of the entry block.
1984
1985 2019-05-13  Richard Biener  <rguenther@suse.de>
1986
1987         PR tree-optimization/90316
1988         * tree-ssa-pre.c (insert_aux): Fold into ...
1989         (insert): ... this function.  Use a RPO walk to reduce the
1990         number of required iterations.
1991
1992 2019-05-13  Martin Liska  <mliska@suse.cz>
1993
1994         PR tree-optimization/90416
1995         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1996         string instead of passing the second part as va_arg argument.
1997
1998 2019-05-13  Martin Liska  <mliska@suse.cz>
1999
2000         PR gcov-profile/90380
2001         * gcov.c (handle_cycle): Do not support zero cycle count,
2002         it should not be possible.
2003         (path_contains_zero_cycle_arc): New function.
2004         (circuit): Ignore zero cycle arc counts.
2005
2006 2019-05-13  Martin Liska  <mliska@suse.cz>
2007
2008         PR gcov-profile/90380
2009         * gcov.c (enum loop_type): Remove the enum and
2010         the operator.
2011         (handle_cycle): Assert that we should not reach
2012         a negative count.
2013         (circuit): Use loop_found instead of a tri-state loop_type.
2014         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
2015         happen.
2016
2017 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2018
2019         PR target/82920
2020         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
2021         (ix86_output_indirect_branch_via_reg): Use output mechanism
2022         accounting for __USER_LABEL_PREFIX__.
2023         (ix86_output_indirect_branch_via_push): Likewise.
2024         (ix86_output_function_return): Likewise.
2025         (ix86_output_indirect_function_return): Likewise.
2026
2027 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
2028
2029         * doc/md.texi: Document use of code attributes in rtx patterns.
2030         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
2031         * read-rtl.c (find_code): Split out search loops into...
2032         (maybe_find_code): ...this new function.
2033         (check_code_iterator): Make the error message more informative.
2034         (check_code_attribute): New function.
2035         (rtx_reader::rtx_alloc_for_name): Likewise.
2036         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
2037         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
2038         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
2039         <max_opp> directly as an rtx code instead of via a match_operator.
2040         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
2041         (<su>abd<mode>_3): Update accordingly.
2042
2043 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
2044
2045         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
2046         is given, print the state of the EH "save world" computation for
2047         Darwin.
2048
2049 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR c++/59813
2052         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
2053         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
2054
2055 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
2056
2057         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
2058         Use pinsrd for TARGET_SSE4_1.
2059         * config/i386/sse.md (movdi_to_sse): Ditto.
2060
2061 2019-05-10  Richard Biener  <rguenther@suse.de>
2062
2063         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
2064         (do_rpo_vn): Initialize next_value_id.
2065
2066 2019-05-10  Martin Liska  <mliska@suse.cz>
2067
2068         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2069         Fix plural form.
2070
2071 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
2072
2073         PR tree-optimization/90385
2074         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
2075         arguments of the exit phis.
2076
2077         PR c++/90383
2078         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
2079         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
2080         id->do_not_fold.
2081         (copy_tree_body_r): Likewise.
2082         (copy_fn): Set id.do_not_fold to true.
2083
2084 2019-05-10  Martin Liska  <mliska@suse.cz>
2085
2086         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
2087         Reapply changes from r269790.
2088
2089 2019-05-10  Martin Liska  <mliska@suse.cz>
2090
2091         PR middle-end/90340
2092         * doc/invoke.texi: New params.
2093         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
2094         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
2095         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
2096         Use it.
2097         * tree-switch-conversion.h (struct jump_table_cluster):
2098         Likewise.
2099
2100 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
2101
2102         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
2103
2104 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
2105
2106         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
2107
2108 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
2109
2110         PR rtl-optimization/88879
2111         * sel-sched.c (sel_target_adjust_priority): Remove assert.
2112
2113 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
2114
2115         PR target/90405
2116         * config/arm/arm.c (callee_saved_reg_p): Move before
2117         thumb_find_work_register.
2118         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
2119         thumb_find_work_register.  Only call df_get_live_out once.
2120         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
2121         (thumb_find_work_register): Use
2122         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
2123         algorithms to locate a spare call clobbered reg.
2124
2125 2019-05-09  Martin Liska  <mliska@suse.cz>
2126
2127         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
2128         and MAX_EXPR in GIMPLE FE format.
2129
2130 2019-05-09  Martin Liska  <mliska@suse.cz>
2131
2132         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
2133         * gimple-pretty-print.c (dump_gimple_bb_header):
2134         Dump BB count.
2135         (pp_cfg_jump): Dump edge probability.
2136         * profile-count.c (profile_quality_as_string): Simplify
2137         with a static array.
2138         (parse_profile_quality): New function.
2139         (profile_count::dump): Simplify with a static array.
2140         (profile_count::from_gcov_type): Add new argument.
2141         * profile-count.h (parse_profile_quality): Likewise.
2142         * predict.h (set_hot_bb_threshold): New.
2143         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
2144         New param.
2145         * predict.c (get_hot_bb_threshold): Set from the new param.
2146         (set_hot_bb_threshold): New.
2147
2148 2019-05-09  Richard Biener  <rguenther@suse.de>
2149
2150         PR tree-optimization/90395
2151         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
2152         rewrite vector stores that throw internally.
2153
2154 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
2155
2156         * cif-code.def (CHKP): Remove.
2157
2158         PR target/89221
2159         * configure.ac (--enable-frame-pointer): Disable by default for
2160         GNU systems.
2161         * configure: Regenerate.
2162
2163 2019-05-09  Alan Modra  <amodra@gmail.com>
2164
2165         PR target/89271
2166         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
2167         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
2168         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
2169         cost for general <-> vsx when direct moves are available.
2170         Cost union classes at minimal cost for any reg in the class.
2171         Correct calculation for moves between vsx, float, and altivec.
2172         Don't return a low cost for moves between special regs.  Don't
2173         use hard coded register numbers.
2174         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
2175         (rs6000_ira_change_pseudo_allocno_class): New function.
2176         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
2177         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
2178         alternatives.
2179         (movsi_internal1): Don't disparage vector alternatives.
2180         (mov<mode>_internal): Likewise, excepting alternative that
2181         will be split.
2182         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
2183         we <- b alternative.
2184
2185 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2186
2187         PR c++/59813
2188         PR tree-optimization/89060
2189         * tree-ssa-live.h (live_vars_map): New typedef.
2190         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
2191         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
2192         (struct compute_live_vars_data): New type.
2193         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
2194         live_vars_at_stmt, destroy_live_vars): New functions.
2195         * tree-tailcall.c: Include tree-ssa-live.h.
2196         (live_vars, live_vars_vec): New global variables.
2197         (find_tail_calls): Perform variable life analysis before punting.
2198         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
2199         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
2200         member.
2201         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
2202         Perform variable life analysis to select variables that really need
2203         clobbers added.
2204         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
2205         instead set id->eh_landing_pad_dest and assert it is the same.
2206         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
2207
2208 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
2209             Richard Earnshaw  <rearnsha@arm.com>
2210
2211         PR target/88167
2212         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
2213         function.
2214         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
2215         (thumb1_compute_save_core_reg_mask): Don't force a spare work
2216         register if both the epilogue and prologue can use call-clobbered
2217         regs.
2218         (thumb1_unexpanded_epilogue): Use
2219         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
2220         picking temporaries for restoring high regs to match that of the
2221         prologue where possible.
2222         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
2223         the list of work registers.  Detect if the return address is still live
2224         at the end of the prologue and avoid using it for a work register if so.
2225         If the return address is not live, add LR to the list of pushable regs
2226         after the first pass.
2227
2228 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2229
2230         PR tree-optimization/90078
2231         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
2232         (INFTY): Increase the value for infinite cost.
2233         (struct comp_cost): Promote type of members to int64_t.
2234         (infinite_cost): Don't set complexity in initialization.
2235         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
2236         overflows to infinite_cost.
2237         (adjust_setup_cost): Promote type of parameter and cost computation
2238         to int64_t.
2239         (struct ainc_cost_data, struct iv_ca): Promote type of member to
2240         int64_t.
2241         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
2242         cost computation to int64_t.
2243         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
2244         int64_t's format specifier in dump.
2245
2246 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
2247
2248         PR tree-optimization/90240
2249         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
2250         with respect to scaling factor pre-computed for each basic block.
2251         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
2252         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
2253         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
2254         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
2255         live range for array of loop's basic blocks.  Cleanup aux field of
2256         loop's basic blocks.
2257
2258 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
2259
2260         PR tree-optimization/90356
2261         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
2262
2263 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
2264
2265         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2266         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2267         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2268         (ix86_handle_option): Handle -mavx512bf16.
2269         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2270         to extra_headers.
2271         * config/i386/avx512bf16vlintrin.h: New.
2272         * config/i386/avx512bf16intrin.h: New.
2273         * config/i386/cpuid.h (bit_AVX512BF16): New.
2274         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2275         * config/i386/i386-builtin-types.def: Add new types.
2276         * config/i386/i386-builtin.def: Add new builtins.
2277         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2278         __AVX512BF16__.
2279         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2280         (ix86_option_override_internal): Handle BF16.
2281         (ix86_valid_target_attribute_inner_p): Ditto.
2282         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2283         * config/i386/i386-builtin.c (enum processor_features): Add
2284         F_AVX512BF16.
2285         (static const _isa_names_table isa_names_table): Ditto.
2286         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2287         (PTA_AVX512BF16): Ditto.
2288         * config/i386/i386.opt: Add -mavx512bf16.
2289         * config/i386/immintrin.h: Include avx512bf16intrin.h
2290         and avx512bf16vlintrin.h.
2291         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2292         avx512f_cvtneps2bf16_<mode><mask_name>,
2293         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2294         * config/i386/subst.md (mask_half): Add new subst.
2295         * doc/invoke.texi: Document -mavx512bf16.
2296
2297 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2298
2299         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2300         Delete declaration.
2301         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2302         (rs6000_debug_legitimize_reload_address): Delete.
2303         (rs6000_legitimize_reload_address_ptr): Delete.
2304         (rs6000_option_override_internal): Adjust.
2305         (mem_operand_gpr): Adjust comment.
2306         (legitimate_lo_sum_address_p): Ditto.
2307         (rs6000_legitimize_reload_address): Delete.
2308         (rs6000_debug_legitimize_reload_address): Delete.
2309         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2310
2311 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2312
2313         PR target/89765
2314         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2315         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2316         to compute vector element selector for both constant and variable
2317         operands.
2318
2319 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2320
2321         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2322         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2323         ashrdi3_cvt using SWI48 mode iterator.
2324
2325 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2326
2327         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2328         (aarch64_<su>abd<mode>_3): Likewise.
2329         (*aarch64_<su>abd<mode>_3): New define_insn.
2330         (<sur>sad<vsi2qi>): New define_expand.
2331         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2332         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2333         (build_vect_cond_expr): Likewise.
2334
2335 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2336
2337         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2338         clobbers outside of accessible_reg_set.
2339         * config/i386/i386.c (ix86_conditional_register_usage):
2340         Disable register sets by clearing corresponding bits in
2341         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2342         call_used_regs and don't clear corresponding reg_names array members.
2343
2344 2019-05-07  Richard Biener  <rguenther@suse.de>
2345
2346         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2347         not specified still compute a comp_vectype for invariant
2348         compares.
2349
2350 2019-05-07  Richard Biener  <rguenther@suse.de>
2351
2352         PR tree-optimization/90316
2353         * tree-ssa-pre.c (translate_vuse_through_block): When
2354         same_valid is NULL do not bother to search for a virtual
2355         PHI continuation.
2356         (phi_translate_1): When operands changed we cannot keep
2357         the same value-number so do not bother to ask whether
2358         that's possible from translate_vuse_through_block.
2359
2360 2019-05-07  Martin Liska  <mliska@suse.cz>
2361
2362         * bitmap.c (bitmap_register): Come up with
2363         alloc_descriptor_max_uid and assign it for
2364         a new bitmap.
2365         (register_overhead): Use get_descriptor as
2366         a descriptor.
2367         (release_overhead): New.
2368         (bitmap_elem_to_freelist): Call it.
2369         (bitmap_elt_clear_from): Likewise.
2370         (bitmap_obstack_free): Likewise.
2371         (bitmap_move): Sensitively release memory.
2372         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2373         (bitmap_initialize): Initialize alloc_descriptor to zero.
2374         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2375
2376 2019-05-07  Richard Biener  <rguenther@suse.de>
2377
2378         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2379         we build a SLP node.  Remove max_size and limiting.
2380         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2381
2382 2019-05-07  Richard Biener  <rguenther@suse.de>
2383
2384         PR tree-optimization/90316
2385         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2386         limit by reference.
2387         (walk_non_aliased_vuses): Take walking limit argument.
2388         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2389         walking if it is reached instead of just counting.
2390         (get_continuation_for_phi): Likewise.
2391         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2392         limiting to the callback.
2393         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2394         (vn_reference_lookup_3): Likewise.
2395         (vn_reference_lookup_pieces): Likewise.
2396         (vn_reference_lookup): Likewise.
2397         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2398         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2399         (avail_exprs_stack::lookup_avail_expr): Likewise.
2400
2401 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2402
2403         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2404         for comparaible types in the second direction even if first one
2405         hits incomparable type.
2406
2407 2019-05-07  Richard Biener  <rguenther@suse.de>
2408
2409         PR lto/90369
2410         * lto-wrapper.c (debug_objcopy): Use the original filename
2411         including archive offset for the filename used for -save-temps.
2412
2413 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2414
2415         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2416         detection.
2417
2418 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2419
2420         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2421         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2422         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2423         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2424         (FRAME_POINTER_REGNUM): Change numbering.
2425         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2426         (alt_reg_names): Adjust.
2427         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2428         fixed.
2429         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2430         (DWARF_FRAME_REGISTERS): Delete.
2431         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2432         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2433         Adjust.
2434         (REG_ALLOC_ORDER): Adjust.
2435         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2436         (REG_CLASS_CONTENTS): Adjust.
2437         (RETURN_ADDR_RTX): Change comment.
2438         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2439         instead of 67.
2440         (REGISTER_NAMES): Adjust.
2441         (ADDITIONAL_REGISTER_NAMES): Adjust.
2442         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2443
2444 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2445
2446         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2447         Delete.
2448         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2449         (DWARF_FRAME_REGISTERS): Adjust.
2450         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2451         Adjust.
2452         (REG_ALLOC_ORDER): Adjust.
2453         (enum reg_class): Delete SPR_REGS.
2454         (REG_CLASS_NAMES): Delete SPR_REGS.
2455         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2456         (REGISTER_NAMES): Adjust.
2457         (ADDITIONAL_REGISTER_NAMES): Adjust.
2458         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2459         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2460         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2461         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2462         (htm_spr_regno): Delete.
2463         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2464         argument.
2465         (rs6000_dbx_register_number): Adjust.
2466
2467 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2468
2469         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2470
2471 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2472
2473         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2474         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2475
2476 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2477
2478         PR tree-optimization/88709
2479         PR tree-optimization/90271
2480         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2481         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2482         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2483         variable.
2484         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2485         of the store merging group is larger than
2486         PARAM_STORE_MERGING_MAX_SIZE parameter.
2487         (split_group): Add bzero_first argument.  If set, always emit first
2488         the first store which must be = {} of the whole area and then for the
2489         rest of the stores consider all zero bytes as paddings.
2490         (imm_store_chain_info::output_merged_store): Check if first store
2491         is = {} of the whole area and if yes, determine which setting of
2492         bzero_first for split_group gives smaller number of stores.  Adjust
2493         split_group callers.
2494         (lhs_valid_for_store_merging_p): Allow decls.
2495         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2496         no elts.
2497         (pass_store_merging::process_store): Likewise.
2498
2499 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2500
2501         PR target/89424
2502         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2503         handling of V1TImode.
2504
2505 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2506
2507         PR target/89221
2508         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2509         and enable_frame_pointer ...
2510         * configure.ac: ... here.  Update help strings for
2511         --enable-frame-pointer.
2512         * configure: Regenerate.
2513         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2514         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2515         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2516         (USE_X86_64_FRAME_POINTER): Ditto.
2517
2518 2019-05-06  Martin Liska  <mliska@suse.cz>
2519
2520         * config.gcc: Append to target_gtfiles and fix indentation.
2521
2522 2019-05-06  Richard Biener  <rguenther@suse.de>
2523
2524         PR tree-optimization/90358
2525         * tree-vect-stmts.c (get_group_load_store_type): Properly
2526         detect unused upper half of load.
2527         (vectorizable_load): Likewise.
2528
2529 2019-05-06  Richard Biener  <rguenther@suse.de>
2530
2531         PR tree-optimization/88828
2532         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2533         (simplify_vector_constructor): ...here.  Handle constants in
2534         the constructor.
2535
2536 2019-05-06  Richard Biener  <rguenther@suse.de>
2537
2538         PR tree-optimization/90328
2539         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2540         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2541         is valid in the loop nest before using it.
2542         (initialize_data_dependence_relation): Adjust.
2543         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2544         loop as loop-nest to dr_may_alias_p.
2545
2546 2019-05-06  Richard Biener  <rguenther@suse.de>
2547
2548         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2549
2550 2019-05-06  Richard Biener  <rguenther@suse.de>
2551
2552         PR tree-optimization/90316
2553         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2554         compute target on demand.
2555         (get_continuation_for_phi): Remove code walking stmts to
2556         get to a target virtual operand which could end up being
2557         quadratic.
2558
2559 2019-05-06  Martin Liska  <mliska@suse.cz>
2560
2561         PR sanitizer/90312
2562         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2563         when -mabi is selected to a non-default version.
2564
2565 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2566             Martin Liska  <mliska@suse.cz>
2567
2568         * Makefile.in: Add lto-dump.texi.
2569         * cgraph.h: Add new functions get_visibility_string and
2570         get_symtab_type_string.
2571         * doc/gcc.texi: Include lto-dump section.
2572         * doc/lto-dump.texi: New file.
2573         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2574         (parse_dump_option): Factor out this function.
2575         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2576         (parse_dump_option): Export the function.
2577         * symtab.c (symtab_node::get_visibility_string): New function.
2578         (symtab_node::get_symtab_type_string): Likewise.
2579
2580 2019-05-06  Martin Liska  <mliska@suse.cz>
2581
2582         * config/i386/i386-builtins.c: New file.
2583         * config/i386/i386-builtins.h: New file.
2584         * config/i386/i386-expand.c: New file.
2585         * config/i386/i386-expand.h: New file.
2586         * config/i386/i386-features.c: New file.
2587         * config/i386/i386-features.h: New file.
2588         * config/i386/i386-options.c: New file.
2589         * config/i386/i386-options.h: New file.
2590         * config.gcc: Add new files into extra_objs and
2591         target_gtfiles.
2592         * config/i386/i386.c: Split content of the file
2593         into newly introduced files.
2594         * config/i386/i386.h: Declare common variables
2595         and macros.
2596         * config/i386/t-i386: Define dependencies for new files.
2597
2598 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2599
2600         PR target/89400
2601         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2602         Restrict 'all' variant to 32-bit configurations.
2603         (unaligned_loadhiu): Likewise.
2604         (unaligned_storehi): Likewise.
2605         (unaligned_storesi): Likewise.
2606         (unaligned_loadhis): Disable when compiling for thumb1.
2607
2608 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2609
2610         PR tree-optimization/90269
2611         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2612         Ignore clobbers.
2613
2614 2019-05-03  Martin Liska  <mliska@suse.cz>
2615
2616         * hash-map.h: Add is_empty function.
2617         * hash-set.h: Likewise.
2618         * hash-table.h: Likewise.
2619         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2620         elements () == 0 (and similar usages).
2621         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2622         * gimplify.c (gimplify_bind_expr): Likewise.
2623         (gimplify_switch_expr): Likewise.
2624         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2625         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2626         * postreload-gcse.c (dump_hash_table): Likewise.
2627         (gcse_after_reload_main): Likewise.
2628         * predict.c (combine_predictions_for_bb): Likewise.
2629         * tree-parloops.c (reduction_phi): Likewise.
2630         (separate_decls_in_region): Likewise.
2631         (transform_to_exit_first_loop): Likewise.
2632         (gen_parallel_loop): Likewise.
2633         (gather_scalar_reductions): Likewise.
2634         (try_create_reduction_list): Likewise.
2635         * var-tracking.c (dump_vars): Likewise.
2636         (emit_notes_for_changes): Likewise.
2637         (vt_emit_notes): Likewise.
2638
2639 2019-05-03  Richard Biener  <rguenther@suse.de>
2640
2641         PR tree-optimization/90316
2642         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2643         before running VN.
2644
2645 2019-05-03  Richard Biener  <rguenther@suse.de>
2646
2647         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2648         peeling for gaps by loading only lower halves of vectors
2649         if possible.
2650         (vectorizable_load): Likewise.
2651
2652 2019-05-03  Richard Biener  <rguenther@suse.de>
2653
2654         PR middle-end/89518
2655         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2656
2657 2019-05-03  Richard Biener  <rguenther@suse.de>
2658
2659         PR middle-end/87314
2660         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2661         Handle STRING_CST vs DECL or STRING_CST.
2662
2663 2019-05-03  Richard Biener  <rguenther@suse.de>
2664
2665         PR tree-optimization/88963
2666         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2667         vector loads feeding only BIT_FIELD_REFs to component
2668         loads.  Rewrite stores fed by CONSTRUCTORs to component
2669         stores.
2670
2671 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2672
2673         * opts.h (finish_options): Remove lang_mask argument.
2674         (print_help, help_option_argument): Declare.
2675         * opts.c (print_help): Remove forward declaration, no longer static.
2676         (finish_options): Remove lang_mask argument, don't call print_help
2677         here.
2678         * opts-global.c (decode_options): Adjust finish_option caller, call
2679         print_help here.
2680
2681         PR tree-optimization/90303
2682         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2683         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2684
2685 2019-05-03  Richard Biener  <rguenther@suse.de>
2686
2687         PR tree-optimization/89698
2688         * gimple-fold.c (canonicalize_constructor_val): Early out
2689         for constants, handle unfolded INTEGER_CSTs as they appear in
2690         C++ virtual table ctors.
2691
2692 2019-05-03  Richard Biener  <rguenther@suse.de>
2693
2694         * passes.c (execute_function_todo): Remove dead code.
2695
2696 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2697
2698         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2699         the internal register number, for any "real" register.
2700
2701 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2702
2703         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2704         correct numbers for TFHAR, TFIAR, TEXASR.
2705
2706 2019-05-02  Richard Biener  <rguenther@suse.de>
2707
2708         PR tree-optimization/89653
2709         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2710         update-address-taken before the pass.
2711         * passes.def (pass_tree_loop_init): Put comment before it.
2712
2713 2019-05-02  Richard Biener  <rguenther@suse.de>
2714
2715         PR tree-optimization/89509
2716         * tree-ssa-structalias.c (compute_dependence_clique): Look
2717         at the first subvar when determining whether it is restrict.
2718
2719 2019-05-02  Richard Biener  <rguenther@suse.de>
2720
2721         PR tree-optimization/90273
2722         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2723         useless debug stmts.
2724
2725 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2726
2727         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2728         ACLE branch.
2729         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2730         SVE ACLE branch.
2731         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2732         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2733         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2734         (vectorizable_reduction): Use the functions above to vectorize in a
2735         fully masked loop codes that don't have a conditional internal
2736         function.
2737
2738 2019-05-02  Martin Liska  <mliska@suse.cz>
2739
2740         * cgraphclones.c: Call valid_attribute_p with 1 for
2741         target_clone.
2742         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2743         it's for target attribute.
2744         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2745         Add new boolean argument.
2746         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2747         Likewise.
2748         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2749         to ix86_valid_target_attribute_inner_p.
2750         (ix86_valid_target_attribute_p): Pass flags argument to
2751         ix86_valid_target_attribute_inner_p.
2752         (get_builtin_code_for_version): Use 0 as it's target attribute.
2753
2754 2019-05-02  Martin Liska  <mliska@suse.cz>
2755
2756         * gcc.c (process_command): Add dummy file only
2757         if n_infiles == 0.
2758         * opts-global.c (decode_options): Pass lang_mask.
2759         * opts.c (print_help): New function.
2760         (finish_options): Print --help if help_option_argument
2761         is set.
2762         (common_handle_option): Factor out content of OPT__help_
2763         into print_help.
2764         * opts.h (finish_options): Add new argument.
2765
2766 2019-05-02  Martin Liska  <mliska@suse.cz>
2767
2768         PR target/88809
2769         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2770         With -minline-all-stringops use inline expansion using 4B loop.
2771         * doc/invoke.texi: Document the change of
2772         -minline-all-stringops.
2773
2774 2019-05-01  Jeff Law  <law@redhat.com>
2775
2776         PR tree-optimization/88797
2777         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2778         PHI feeds a conditional on the RHS of an assignment.
2779
2780 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2781             Jim Wilson  <jimw@sifive.com>
2782
2783         * config/riscv/constraints.md (L): New.
2784         * config/riscv/predicates.md (lui_operand): New.
2785         (sfb_alu_operand): New.
2786         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2787         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2788         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2789         * config/riscv/risc.md (type): Add sfb_alu.
2790         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2791         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2792         (branch_zero<mode>): Delete.
2793         (mov<mode>cc): New.
2794         (mov<GPR:mode><X:mode>cc): Likewise.
2795         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2796
2797 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2798
2799         * tree.h (MARK_TS_EXP): New.
2800
2801 2019-04-30  Martin Liska  <mliska@suse.cz>
2802
2803         * opts.c (enable_warning_as_error): Provide hints
2804         for unknown options.
2805
2806 2019-04-30  Martin Liska  <mliska@suse.cz>
2807
2808         PR debug/90288
2809         * doc/invoke.texi: Add missing dash for gas-locview-support
2810         and gno-as-locview-support.
2811
2812 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2813
2814         PR target/89093
2815         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2816         whitespace at the start of target attribute string.
2817
2818 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2819
2820         PR target/86538
2821         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2822         Define __ARM_FEATURE_ATOMICS.
2823
2824 2019-04-30  Martin Liska  <mliska@suse.cz>
2825
2826         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2827         into built_in_function enum. Remove code for endp == 2 and
2828         use BUILT_IN_* constants.
2829         (gimple_fold_builtin): Call the function with fcode.
2830
2831 2019-04-30  Martin Liska  <mliska@suse.cz>
2832
2833         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2834         DECL_FUNCTION_CODE into ix86_builtins enum before
2835         the switch statement.
2836
2837 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2838
2839         PR tree-optimization/89475
2840         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2841         calls.
2842
2843 2019-04-30  Martin Liska  <mliska@suse.cz>
2844
2845         PR translation/90274
2846         * opts.c (print_filtered_help): Wrap string in _(...).
2847
2848 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2849
2850         PR tree-optimization/90240
2851         Revert:
2852         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2853
2854         PR tree-optimization/90078
2855         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2856         checks for infinite_cost overflow.
2857
2858 2019-04-29  Jeff Law  <law@redhat.com>
2859
2860         * passes.def: Move -Wrestrict pass after copy propagation.
2861
2862 2019-04-29  Maya Rashish  <coypu@sdf.org>
2863
2864         * config.gcc (default_gnu_indirect_function): Default to yes
2865         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2866         sparc*-*-netbsd*, x86_64-*-netbsd*.
2867
2868 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2869
2870         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2871         where cond2 is NE_EXPR.
2872         (is_value_included_in): Update comment.
2873
2874 2019-04-29  Richard Biener  <rguenther@suse.de>
2875
2876         PR tree-optimization/90278
2877         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2878         EH on comparison simplification.
2879
2880 2019-04-29  Jason Merrill  <jason@redhat.com>
2881
2882         PR c++/82081 - tail call optimization breaks noexcept
2883         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2884         nothrow function to a might-throw function into a tail call.
2885
2886 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2887
2888         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2889         (DDR_INNER_LOOP): Likewise.
2890         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2891         (initialize_data_dependence_relation): Likewise.
2892         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2893
2894 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2895
2896         PR rtl-optimization/90257
2897         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2898         return value.
2899
2900         Revert the revert:
2901         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2902
2903         PR target/90178
2904         Revert:
2905         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2906
2907         Revert the revert:
2908         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2909
2910         Revert:
2911         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2912
2913         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2914
2915 2019-04-29  Richard Biener  <rguenther@suse.de>
2916
2917         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2918         rhs issue a reset.
2919
2920 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2921
2922         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2923         varasm.h, and netbsd-protos.h.
2924
2925 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2926
2927         PR target/89261
2928         * config/i386/i386-protos.h (ix86_data_alignment): Change
2929         the second argument type to unsigned int.
2930         * config/i386/i386.c (ix86_data_alignment): Change "align"
2931         argument type to unsigned int.
2932
2933 2019-04-27  Martin Liska  <mliska@suse.cz>
2934
2935         PR middle-end/90258
2936         * opt-suggestions.c (option_proposer::build_option_suggestions):
2937         When get_valid_option_values returns empty values, add the
2938         misspelling candidate.
2939
2940 2019-04-26  Jim Wilson  <jimw@sifive.com>
2941
2942         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2943         parameter.
2944         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2945         Pass orig_mode to riscv_build_integer.
2946         (riscv_split_integer): Pass mode to riscv_move_integer.
2947         (riscv_legitimize_const_move): Likewise.
2948         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2949         promoted_mode.  Replace force_reg call with code to load constant into
2950         promoted reg and then subreg it for the store.
2951         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2952         riscv_move_integer.
2953
2954 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2955
2956         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2957         corrupt codes.
2958
2959 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2960
2961         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2962         commentary about the encoding of precision.
2963
2964 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2965
2966         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2967         * config/i386/t-freebsd64: New file.
2968         * config.gcc: Add the t-freebsd64 for multilib support.
2969
2970 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2971
2972         * doc/extend.texi (vector_size): Add missing comma after @xref.
2973
2974 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2975
2976         * BASE-VER: Set to 10.0.0.
2977
2978 2019-04-25  Richard Biener  <rguenther@suse.de>
2979
2980         PR middle-end/89765
2981         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2982         VIEW_CONVERT_EXPR into one operating on an rvalue.
2983
2984 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2985
2986         PR target/89929
2987         * config/i386/i386.c (feature_priority): Moved to file scope.
2988         (processor_features): Likewise.
2989         (processor_model): Likewise.
2990         (_arch_names_table): Likewise.
2991         (arch_names_table): Likewise.
2992         (_feature_list): Removed.
2993         (feature_list): Likewise.
2994         (_isa_names_table): Moved to file scope.  Add priority.
2995         (isa_names_table): Likewise.
2996         (get_builtin_code_for_version): Replace feature_list with
2997         isa_names_table.  Update error message for P_ZERO priority.
2998
2999 2019-04-25  Richard Biener  <rguenther@suse.de>
3000
3001         * tree-pass.h (make_pass_phi_only_cprop): Remove.
3002         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
3003
3004 2019-04-24  Jeff Law  <law@redhat.com>
3005
3006         PR tree-optimization/90037
3007         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
3008         * passes.def: Replace all instance of phi-only cprop with the
3009         lattice propagator.  Move propagation pass from after erroneous
3010         path isolation to before erroneous path isolation.
3011         * tree-ssa-phionlycprop.c: Remove.
3012
3013 2019-04-24  Richard Biener  <rguenther@suse.de>
3014
3015         PR middle-end/90213
3016         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
3017         by size and BITS_PER_UNIT on poly-wide-ints.
3018
3019 2019-04-25  Richard Biener  <rguenther@suse.de>
3020
3021         PR middle-end/90194
3022         * match.pd: Add pattern to simplify view-conversion of an
3023         empty constructor.
3024
3025 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
3026
3027         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
3028         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
3029         for Go on 32 bit AIX.
3030         * config/rs6000/aix72.h: Likewise.
3031
3032 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3033
3034         PR target/90193
3035         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
3036         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
3037
3038 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
3039
3040         PR target/89952
3041         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
3042         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
3043         for restored hard frame pointer.
3044         (s390_sched_dependencies_evaluation): Implement new target hook.
3045         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
3046
3047 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
3048
3049         * config/arc/arc-options.def: Fix typos and spelling mistakes.
3050         * config/arc/arc.c (arc_init): Cleanup warning message.
3051         (arc_override_options): Likewise.
3052
3053 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
3054
3055         PR target/90187
3056         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
3057         a register if both if_true and if_false are MEMs.
3058
3059         PR tree-optimization/90208
3060         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
3061         after labels of new_bb, not before them.
3062
3063         PR tree-optimization/90211
3064         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
3065         which are not SSA_NAMEs.
3066
3067 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
3068
3069         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
3070         AArch64.
3071         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
3072
3073 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3074
3075         PR rtl-optimization/87979
3076         * modulo-sched.c (sms_schedule): Start ii value "mii" should
3077         not equal zero.
3078
3079 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
3080
3081         PR rtl-optimization/84032
3082         * modulo-sched.c (ps_insn_find_column): Change condition so that
3083         branch will always be the last insn in a row inside partial
3084         schedule.
3085
3086 2019-04-23  Richard Biener  <rguenther@suse.de>
3087
3088         PR debug/90131
3089         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
3090         dest_single_pred_p argument.
3091         (remove_forwarder_block): Adjust.
3092         (remove_forwarder_block_with_phi): Likewise.
3093
3094 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3095             Bernd Edlinger  <bernd.edlinger@hotmail.de>
3096             Jakub Jelinek  <jakub@redhat.com>
3097
3098         PR target/89093
3099         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
3100         if used with general-regs-only.
3101         (arm_conditional_register_usage): Don't add non-general regs if
3102         general-regs-only.
3103         (arm_valid_target_attribute_rec): Handle general-regs-only.
3104         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
3105         general-regs-only.
3106         (TARGET_HARD_FLOAT_SUB): Define.
3107         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
3108         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
3109         (TARGET_REALLY_IWMMXT2): Likewise.
3110         * config/arm/arm.opt: Add -mgeneral-regs-only.
3111         * doc/extend.texi: Document ARM general-regs-only target.
3112         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
3113
3114 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3115
3116         PR tree-optimization/90078
3117         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
3118         checks for infinite_cost overflow.
3119
3120 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
3121
3122         PR tree-optimization/90021
3123         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
3124         and check univariate against it.
3125         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
3126         * tree-data-ref.c (add_other_self_distances): Pass new argument.
3127
3128 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3129
3130         PR target/90178
3131         Revert:
3132         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
3133
3134         Revert the revert:
3135         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
3136
3137         Revert:
3138         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
3139
3140         * lra-spills.c (lra_final_code_change): Remove useless move insns.
3141
3142 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
3143
3144         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
3145         names using operand format, rather than hard-wired.
3146         (speculation_barrier): Likewise.
3147
3148 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
3149
3150         PR tree-optimization/88055
3151         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
3152         (gen_one_condition): Use it if !HONOR_NANS.
3153
3154 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
3155
3156         PR middle-end/90139
3157         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
3158         assign_temp instead of gen_reg_rtx.
3159
3160 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
3161
3162         PR translation/90118
3163         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3164         Add missing space before %<.
3165
3166 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
3167
3168         PR rtl-optimization/87871
3169         * ira-lives.c (make_object_dead): Don't add conflicts to
3170         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
3171
3172 2019-04-18  Martin Sebor  <msebor@redhat.com>
3173
3174         PR middle-end/89797
3175         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
3176         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
3177         assuming type size fits in SHWI.
3178
3179 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
3180
3181         PR ipa/85051
3182         * ipa-inline.c (flatten_function): New parameter UPDATE.
3183         (ipa_inline, early_inliner): Use it.
3184
3185 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3186
3187         * fold-const.c (int_const_binop): Return early on failure.
3188
3189 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
3190
3191         PR middle-end/85164
3192         * combine.c (force_int_to_mode): Cast the argument rather than
3193         the result of known_alignment.
3194         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
3195
3196 2019-04-18  Richard Biener  <rguenther@suse.de>
3197
3198         PR debug/90131
3199         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
3200         out from ...
3201         (remove_forwarder_block): ... here.
3202         (remove_forwarder_block_with_phi): Also move debug stmts here.
3203
3204 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
3205
3206         PR translation/79183
3207         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
3208         inform where appropriate.
3209
3210 2019-04-18  Richard Biener  <rguenther@suse.de>
3211
3212         * tree.c (get_qualified_type): Put found type variants at the
3213         head of the variant list.
3214
3215 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3216
3217         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
3218
3219 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
3220
3221         PR target/90125
3222         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
3223         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
3224         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
3225         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
3226         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
3227
3228 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
3229
3230         * ira-conflicts.c (print_allocno_conflicts): Always print something,
3231         even for allocno's with no conflicts.
3232         (print_conflicts): Print an extra newline.
3233
3234 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3235
3236         * auto-inc-dec.c (attempt_change): Set the alignment of the
3237         temporary memory to that of the original.
3238
3239 2019-04-17  Joao Moreira  <jmoreira@suse.de>
3240
3241         * targhooks.c (default_print_patchable_function_entry): Emit
3242         __patchable_function_entries section with writable flags to allow
3243         relocation resolution.
3244
3245 2019-04-17  Jonny Grant  <jg@jguk.org>
3246
3247         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
3248
3249 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR middle-end/90095
3252         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
3253         on lowpart SUBREGs.
3254
3255 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
3256
3257         * config/arc/arc.c (arc_init): Format diagnostic string.
3258         (arc_override_options): Likewise.
3259         (check_if_valid_regno_const): Likewise.
3260         (arc_reorg): Likewise.
3261
3262 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
3263
3264         PR target/17108
3265         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3266         name.
3267         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3268         name.
3269         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3270         (*movdi_update1): Use Pmode.
3271         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3272         (movdi_<mode>_update_stack): Rename to ...
3273         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3274         use Pmode.
3275         (*movsi_update1): Use Pmode.
3276         (*movsi_update2): Use Pmode.
3277         (movsi_update): Rename to ...
3278         (movsi_<mode>_update): ... this.  Use Pmode.
3279         (movsi_update_stack): Fix condition.
3280         (*movhi_update1): Use Pmode.  Fix argument to
3281         avoiding_indexed_address_p.
3282         (*movhi_update2): Ditto.
3283         (*movhi_update3): Ditto.
3284         (*movhi_update4): Ditto.
3285         (*movqi_update1): Ditto.
3286         (*movqi_update2): Ditto.
3287         (*movqi_update3): Ditto.
3288         (*movsf_update1, *movdf_update1): Merge, rename to...
3289         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3290         avoiding_indexed_address_p.  Add "size" attribute.
3291         (*movsf_update2, *movdf_update2): Merge, rename to...
3292         (*mov<mode>_update2): This.  Ditto.
3293         (*movsf_update3): Use Pmode.  Fix argument to
3294         avoiding_indexed_address_p.
3295         (*movsf_update4): Ditto.
3296         (allocate_stack): Simplify condition.  Adjust pattern names.
3297
3298 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3299
3300         PR target/89093
3301         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3302         whitespace at the start of target attribute string.
3303
3304 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3305
3306         PR target/84369
3307         * config/rs6000/power9.md: Add store forwarding bypass.
3308
3309 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3310
3311         PR debug/89528
3312         * valtrack.c (dead_debug_insert_temp): Reset debug references
3313         to the return value of a call being removed.
3314
3315 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3316
3317         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3318         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3319         implement target hook.
3320         (arc_memory_move_cost): New function.
3321         (TARGET_REGISTER_MOVE_COST): Define.
3322         (TARGET_MEMORY_MOVE_COST): Likewise.
3323         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3324         (MEMORY_MOVE_COST): Likewise.
3325
3326 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3327
3328         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3329         (sibcall_value_insn): Likewise.
3330         * config/arc/constraints.md (Rs5): Remove.
3331
3332 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3333
3334         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3335         for last two fake registers.
3336         (arc_conditional_register_usage): Make sure fake frame and arg
3337         pointer regs are in general regs class.
3338         (FRAME_POINTER_MASK): Remove.
3339         (RETURN_ADDR_MASK): Remove.
3340         (arc_must_save_register): Use hard frame regnum.
3341         (frame_restore_reg): Use hard_frame_pointer_rtx.
3342         (arc_save_callee_saves): Likewise.
3343         (arc_restore_callee_saves): Likewise.
3344         (arc_save_callee_enter): Likewise.
3345         (arc_restore_callee_leave): Likewise.
3346         (arc_save_callee_milli): Likewise.
3347         (arc_eh_return_address_location): Likewise.
3348         (arc_check_multi): Use hard frame regnum.
3349         (arc_can_eliminate): Likewise.
3350         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3351         for register allocator.
3352         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3353         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3354         (FRAME_POINTER_REGNUM): Change it to a fake register.
3355         (HARD_FRAME_POINTER_REGNUM): Defined.
3356         (ARG_POINTER_REGNUM): Change it to a new fake register.
3357         (ELIMINABLE_REGS): Update.
3358         (REGISTER_NAMES): Update names.
3359         * config/arc/arc.md (LP_START): Remove.
3360         (LP_END): Likewise.
3361         (shift_si3_loop): Update pattern.
3362
3363 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3364
3365         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3366         to avoid delay slot scheduling.
3367         (arc_must_save_register): Don't save SP.
3368         * config/arc/arc.md (stack_tie): Remove.
3369         (UNSPEC_ARC_STKTIE): Likewise.
3370
3371 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3372             Shiva Chen  <shiva0217@gmail.com>
3373
3374         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3375         code gen with large shift amount.
3376
3377 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3378
3379         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3380         subreg.
3381
3382 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3383
3384         PR target/90096
3385         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3386         print -m64/-mx32/-m32 if it is true.
3387         (ix86_debug_options, ix86_function_specific_print): Pass true as
3388         ADD_ABI_P to ix86_target_string.
3389         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3390         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3391         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3392
3393         PR rtl-optimization/90082
3394         * dce.c (can_delete_call): New function.
3395         (deletable_insn_p, mark_insn): Use it.
3396
3397         PR tree-optimization/90090
3398         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3399         throw internally.
3400         (is_division_by_square): Likewise.  Formatting fix.
3401
3402 2019-04-16  Richard Biener  <rguenther@suse.de>
3403
3404         PR tree-optimization/56049
3405         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3406         equality check if alias-set zero will prevail.
3407
3408 2019-04-15  Jeff Law  <law@redhat.com>
3409
3410         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3411         size and alignment as unsigned.
3412
3413 2019-04-15  Richard Biener  <rguenther@suse.de>
3414
3415         PR debug/90074
3416         * tree-loop-distribution.c (destroy_loop): Preserve correct
3417         debug info.
3418
3419 2019-04-15  Richard Biener  <rguenther@suse.de>
3420
3421         PR tree-optimization/90071
3422         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3423         abnormal operands from def stmts.
3424
3425 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3426
3427         PR rtl-optimization/89794
3428         * combine.c (count_auto_inc): New function.
3429         (try_combine): Count how many auto_inc expressions there were in the
3430         original instructions.  Ensure we have the same number in the new
3431         instructions.  Remove the code that tried to ensure auto_inc side
3432         effects on i1 and i0 are not lost.
3433
3434 2019-04-15  Richard Biener  <rguenther@suse.de>
3435
3436         PR ipa/88936
3437         * tree.h (auto_var_p): Declare.
3438         * tree.c (auto_var_p): New function, split out from ...
3439         (auto_var_in_fn_p): ... here.
3440         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3441         member.
3442         (new_var_info): Initialize it.
3443         (set_uids_in_ptset): Also set the shadow variable uid if required.
3444         (ipa_pta_execute): Postprocess points-to solutions assigning
3445         shadow variable uids for locals that may reach their containing
3446         function recursively.
3447         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3448         assert but instead check whether the points-to solution is
3449         a singleton.
3450
3451 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3452
3453         PR ipa/pr89693
3454         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3455         the thunk chain.
3456
3457 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3458
3459         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3460
3461 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3462             Kito Cheng  <kito.cheng@gmail.com>
3463             Shiva Chen  <shiva0217@gmail.com>
3464
3465         * config/nds32/nds32-md-auxiliary.c
3466         (nds32_legitimize_pic_address): Use new PIC pattern.
3467         (nds32_legitimize_tls_address): Use new TLS pattern.
3468         (nds32_output_symrel): New.
3469         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3470         (nds32_alloc_relax_group_id): Ditto.
3471         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3472         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3473         relax_group_id.
3474         (nds32_group_tls_insn): Ditto.
3475         (nds32_group_float_insns): Ditto.
3476         * config/nds32/nds32.md (tls_le): New.
3477         (sym_got): Ditto.
3478
3479 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3480
3481         * configure: Add nds32 target for dwarf2 debug_line checking.
3482         * configure.ac: Regenerated.
3483
3484 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3485
3486         PR lto/89358
3487         * ipa-devirt.c (skip_in_fields_list_p): New.
3488         (odr_types_equivalent_p): Use it.
3489
3490 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3491
3492         PR target/89093
3493         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3494         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3495
3496 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3497
3498         * doc/install.texi: Document --with-target-system-zlib.
3499
3500 2019-04-12  Martin Sebor  <msebor@redhat.com>
3501
3502         PR c/88383
3503         PR c/89288
3504         PR c/89798
3505         PR c/89797
3506         * targhooks.c (default_vector_alignment): Avoid assuming
3507         argument fits in SHWI.
3508         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3509         a shift expression.
3510         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3511
3512 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3513
3514         PR rtl-optimization/89965
3515         * dce.c: Include rtl-iter.h.
3516         (struct check_argument_load_data): New type.
3517         (check_argument_load): New function.
3518         (find_call_stack_args): Check for loads from stack slots still tracked
3519         in sp_bytes and punt if any is found.
3520
3521         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3522
3523 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3524
3525         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3526         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3527
3528 2019-04-12  Martin Liska  <mliska@suse.cz>
3529
3530         PR middle-end/89970
3531         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3532         in error message.
3533         (separate_attrs): Handle multiple 'default's.
3534         (expand_target_clones): Rework error handling code.
3535
3536 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3537
3538         PR target/87532
3539         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3540         mode of vector rather than mode of destination for move instruction.
3541         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3542         Use QI inner mode with V16QI vector mode.
3543
3544 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3545
3546         PR target/52726
3547         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3548         "invalid %%t operand" in output_operand_lossage message.
3549
3550 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3551
3552         * config/s390/predicates.md (permute_pattern_operand): New
3553         predicate.
3554         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3555         operand for the permute pattern.
3556         ("*vec_perm<mode>"): New insn definition.
3557         ("bswap<mode>"): Generate the permute pattern operand in the
3558         expander and perform the operand reloads for pre arch13 level
3559         already.
3560         ("*bswap<mode>_emu"): Rename to ...
3561         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3562         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3563         Add the USE operand for the permute pattern.
3564         ("*vec_set_bswap_vec<mode>"): Likewise.
3565
3566 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3567
3568         PR c/89946
3569         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3570         and gcc_unreachable if it fails, just call tree_to_uhwi which
3571         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3572         Start warning message with a lower-case letter.  Formatting fixes.
3573
3574         PR rtl-optimization/90026
3575         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3576         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3577         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3578         in cfglayout mode, use emit_barrier_after_bb.
3579
3580 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3581
3582         PR rtl-optimization/87763
3583         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3584         New Instruction.
3585
3586 2019-04-11  Tom de Vries  <tdevries@suse.de>
3587
3588         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3589         max macro using statement expression.
3590
3591 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3592
3593         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3594         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3595         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3596         read_only_private_data_section using xcoff_private_rodata_section_name.
3597         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3598
3599 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3600
3601         PR target/90016
3602         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3603
3604 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3605
3606         PR rtl-optimization/89965
3607         * dce.c (sp_based_mem_offset): New function.
3608         (find_call_stack_args): Use sp_based_mem_offset.
3609
3610 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3611
3612         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3613
3614 2019-04-11  Richard Biener  <rguenther@suse.de>
3615
3616         PR tree-optimization/90020
3617         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3618         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3619         * tree-ssa-pre.c (compute_avail): Use it to not put
3620         possibly trapping references after a call that might not
3621         return into EXP_GEN.
3622         * gcse.c (compute_hash_table_work): Do not elide
3623         marking a block containing a call if the call might not
3624         return.
3625
3626 2019-04-11  Richard Biener  <rguenther@suse.de>
3627
3628         PR tree-optimization/90018
3629         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3630         Test both SLP and interleaving variants.
3631
3632 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3633
3634         * config/s390/8561.md: New file.
3635         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3636         Add arch13 cpu model.
3637         * config/s390/s390-opts.h (enum processor_type): Likewise.
3638         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3639         (s390_get_unit_mask): Likewise.
3640         (s390_is_fpd): Likewise.
3641         (s390_is_fxd): Likewise.
3642         * config/s390/s390.h (s390_tune_attr): Likewise.
3643         * config/s390/s390.md: Include arch13 pipeline description.
3644         * config/s390/s390.opt: Add arch13.
3645
3646 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3647
3648         PR rtl-optimization/87763
3649         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3650         New prototype.
3651         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3652         New function.
3653         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3654         New instruction.
3655         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3656         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3657         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3658         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3659
3660 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3661
3662         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3663         "Although" in -fipa-icf documentation.
3664
3665         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3666         of using multiple -g options.
3667
3668 2019-04-10  Martin Liska  <mliska@suse.cz>
3669
3670         PR gcov-profile/89959
3671         * doc/gcov.texi: Make documentation of -x option
3672         more precise.
3673
3674 2019-04-10  Richard Biener  <rguenther@suse.de>
3675
3676         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3677         member.
3678         (DR_GROUP_SAME_DR_STMT): Remove.
3679         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3680         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3681         replace with assert.
3682         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3683         (vect_record_grouped_load_vectors): Remove unreachable code.
3684
3685 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3686
3687         PR target/90016
3688         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3689         obsolete reference to N.
3690
3691 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3692
3693         PR middle-end/90025
3694         * expr.c (store_expr): Set properly size on the MEM passed to
3695         clear_storage.
3696
3697         PR c++/90010
3698         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3699         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3700         translation is needed, and when translation is needed, only append
3701         ... if the string length is hostsz or more bytes long.  Avoid using
3702         strncpy or strcat.
3703
3704 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3705
3706         PR target/90024
3707         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3708         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3709         into three.
3710         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3711         differences directly.
3712         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3713
3714 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3715
3716         PR translation/90011
3717         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3718         from diagnostics.
3719         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3720         diagnostics.
3721         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3722         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3723         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3724         trailing space from -gsplit-dwarf diagnostics.
3725
3726         PR tree-optimization/89998
3727         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3728         instead of integer_type_node if possible, don't add ranges if return
3729         type is not compatible with int.
3730         * gimple-fold.c (gimple_fold_builtin_sprintf,
3731         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3732         integer_type_node.
3733
3734 2019-04-09  Martin Liska  <mliska@suse.cz>
3735
3736         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3737         * doc/install.texi: Document the new config.
3738
3739 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3740
3741         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3742         use gimple_expr_type for load and store calls.  Skip over the
3743         condition argument in a conditional internal function.
3744         Protect use of TREE_INT_CST_LOW.
3745
3746 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3747
3748         PR target/90015
3749         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3750         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3751         trailing period from it too.
3752
3753 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3754
3755         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3756         * config/aarch64/aarch64.md : Add "tsv110.md"
3757         * config/aarch64/tsv110.md: New file.
3758
3759 2019-04-08  Richard Biener  <rguenther@suse.de>
3760
3761         PR tree-optimization/90006
3762         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3763         calls like lrint.
3764
3765 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3766
3767         PR target/83033
3768         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3769         construction.
3770         (fma_root_node): Likewise.
3771         (func_fma_steering): Likewise.
3772
3773 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3774
3775         PR rtl-optimization/89865
3776         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3777
3778         PR rtl-optimization/89865
3779         * config/i386/i386.md
3780         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3781         numbers not to clash with the additional operands[4].
3782         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3783         with extra register copy in the middle.
3784
3785 2019-04-08  Martin Liska  <mliska@suse.cz>
3786
3787         PR gcov-profile/89961
3788         * doc/gcov.texi: Document data_file.
3789         * gcov.c (generate_results): Add data_info into JSON output.
3790
3791 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3792
3793         PR tree-optimization/89725
3794         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3795         loop's chrec as invariant symbol.
3796         * tree-chrec.h (chrec_contains_symbols): New parameter.
3797         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3798         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3799         function of loops not in DDR's loop_nest.
3800         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3801
3802 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3803
3804         PR target/89623
3805         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3806         Mask.
3807
3808 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3809
3810         PR target/89945
3811         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3812         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3813
3814 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3815
3816         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3817         targetm.fixed_condition_code_regs.
3818
3819 2019-04-05  Richard Biener  <rguenther@suse.de>
3820
3821         PR debug/89892
3822         PR debug/89905
3823         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3824         debug bind stmts but reset them if they are not valid at the
3825         destination.
3826
3827 2019-04-05  Martin Liska  <mliska@suse.cz>
3828
3829         PR translation/89936
3830         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3831         order to wrap keywords or arguments.
3832         * collect2.c (main): Likewise.
3833         (scan_prog_file): Likewise.
3834         (scan_libraries): Likewise.
3835         * common/config/riscv/riscv-common.c
3836         (riscv_subset_list::parsing_subset_version): Likewise.
3837         (riscv_subset_list::parse_std_ext): Likewise.
3838         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3839         Likewise.
3840         * config/arm/arm.c (arm_option_override): Likewise.
3841         * config/cris/cris.c (cris_print_operand): Likewise.
3842         * config/darwin-c.c (darwin_pragma_options): Likewise.
3843         (darwin_pragma_unused): Likewise.
3844         (darwin_pragma_ms_struct): Likewise.
3845         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3846         * config/i386/i386.c (print_reg): Likewise.
3847         (ix86_print_operand): Likewise.
3848         * config/i386/xm-djgpp.h: Likewise.
3849         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3850         * config/m32c/m32c.c (m32c_option_override): Likewise.
3851         * config/msp430/msp430.c (msp430_option_override): Likewise.
3852         * config/nds32/nds32.c (nds32_option_override): Likewise.
3853         * config/nvptx/mkoffload.c (main): Likewise.
3854         * config/rx/rx.c (rx_print_operand): Likewise.
3855         (valid_psw_flag): Likewise.
3856         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3857         (vms_pragma_nomember_alignment): Likewise.
3858         (vms_pragma_extern_model): Likewise.
3859         * lto-wrapper.c (compile_offload_image): Likewise.
3860         * omp-offload.c (oacc_parse_default_dims): Likewise.
3861         * symtab.c (symtab_node::verify_base): Likewise.
3862         * tlink.c (recompile_files): Likewise.
3863         (start_tweaking): Likewise.
3864         * tree-profile.c (parse_profile_filter): Likewise.
3865
3866 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3867
3868         PR tree-optimization/89956
3869         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3870         multiple negates of the same value.
3871
3872 2019-04-04  Martin Sebor  <msebor@redhat.com>
3873
3874         PR middle-end/89957
3875         PR middle-end/89911
3876         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3877         have the same precision since the function crashes otherwise.
3878         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3879         has non-zero arguments.
3880
3881 2019-04-04  Martin Sebor  <msebor@redhat.com>
3882
3883         PR middle-end/89934
3884         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3885         out if the number of arguments is less than expected.
3886
3887 2019-04-04  Jeff Law  <law@redhat.com>
3888
3889         PR rtl-optimization/89399
3890         * ree.c (combine_set_extension): Use single_set rather than
3891         digging into PATTERN for items on the candidate list.
3892         (combine_reaching_defs): Likewise.
3893
3894 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3895
3896         PR rtl-optimization/46590
3897         * loop-invariant.c (find_defs): Move df_remove_problem and
3898         df_process_deferred_rescans to move_invariants.
3899         Move df_live_add_problem and df_live_set_all_dirty calls
3900         to move_invariants.
3901         (move_invariants): Likewise.
3902         (move_loop_invariants): Likewise, making the df_live calls
3903         conditional on -O.  Remove the problem again if we added it
3904         locally.
3905
3906 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3907
3908         PR tree-optimization/89730
3909         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3910         -flive-patching=inline-only-static.
3911         (can_inline_edge_by_limits_p): Add the checking for
3912         -flive-patching=inline-only-static and grant always_inline
3913         even when -flive-patching=inline-only-static is specified.
3914
3915 2019-04-03  Jeff Law  <law@redhat.com>
3916
3917         PR rtl-optimization/81025
3918         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3919
3920 2019-04-03  Richard Biener  <rguenther@suse.de>
3921
3922         PR tree-optimization/84101
3923         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3924         regs.h for hard_regno_nregs.
3925         (cfun_returns): New helper.
3926         (vect_model_store_cost): When vectorizing a store to a decl
3927         we return and the function ABI returns in a multi-reg location
3928         account for the possible spilling that will happen.
3929
3930 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3931
3932         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3933         displacement addresses for vector mode operands.
3934
3935 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3936
3937         * config/arc/arc.c (GMASK_LEN): Define.
3938         (arc_restore_callee_saves): Restore first blink when
3939         !optimize_size.
3940
3941 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3942
3943         * doc/extend.texi: Add deprecated comment on sign-return-address
3944         function attribute and add mbranch-protection.
3945         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3946
3947 2019-04-03  Richard Biener  <rguenther@suse.de>
3948
3949         PR lto/89896
3950         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3951         the all target phony.
3952
3953 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3954
3955         PR target/89902
3956         PR target/89903
3957         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3958         Return false for variable DImode shifts.
3959         (dimode_scalar_chain::compute_convert_gain): Do not handle
3960         register count operand in variable DImode shifts.
3961         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3962         count argument of a variable shift instruction to a vector register.
3963         (dimode_scalar_chain::convert_reg): Remove support to convert
3964         count argument of a variable shift instruction.
3965
3966 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3967
3968         PR rtl-optimization/84206
3969         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3970         iterating over loop headers.
3971
3972 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3973
3974         PR rtl-optimization/85876
3975         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3976         beyond the original fence.
3977
3978 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3979
3980         * config.gcc: Mark spu* targets as deprecated/obsolete.
3981
3982 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3983
3984         * config/s390/s390-builtin-types.def: New builtin function type
3985         definitions. Remove unused types.
3986         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3987         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3988         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3989         overloaded builtins.
3990         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3991         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3992         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3993         (vec_double, vec_signed, vec_unsigned): Define to use the new
3994         overloaded builtins.
3995         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3996         Remove expanders.
3997
3998 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3999
4000         * config/s390/s390-builtin-types.def: New builtin function type
4001         definitions.
4002         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
4003         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
4004         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
4005         (s390_vstrszh, s390_vstrszf): New low-level builtins.
4006         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
4007         constant definitions.
4008         * config/s390/vecintrin.h (vec_search_string_cc)
4009         (vec_search_string_until_zero_cc): New builtin name definitions.
4010         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
4011         expanders.
4012         ("vec_vstrs<mode>"): New insn definition.
4013
4014 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4015
4016         * config/s390/s390-builtin-types.def: Add new builtin function
4017         types.
4018         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
4019         New overloaded builtins.
4020         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
4021         s390_vsrd.
4022         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
4023         (UNSPEC_VEC_SLDBYTE): ... this.
4024         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
4025         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
4026         definitions.
4027         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
4028         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
4029         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
4030
4031 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4032
4033         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
4034         New insn definition.
4035         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
4036         * config/s390/vector.md (V_HW_HSD): ... here.
4037
4038 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4039
4040         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
4041         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
4042         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
4043         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
4044         New insn definitions.
4045
4046 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4047
4048         * config/s390/s390-builtin-types.def: Add new builtin function type.
4049         * config/s390/s390-builtins.def: Add overloaded builtin
4050         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
4051         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
4052         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
4053         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
4054         ("eltswap<mode>"): New expander.
4055         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
4056         insn definitions.
4057
4058 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4059
4060         * config/s390/s390-builtin-types.def: Add new builtin function types.
4061         * config/s390/s390-builtins.def: Add overloaded builtin
4062         s390_vec_revb. Add low-level builtins for vlbr and vstbr
4063         instructions.
4064         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
4065         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
4066         ("bswap<mode>"): New expander.
4067         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
4068
4069 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4070
4071         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
4072         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
4073         vector builtin version number in __VEC__.
4074
4075 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4076
4077         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
4078         iterators.
4079         (SFSI): New mode attribute.
4080         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
4081         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
4082         rename to ...
4083         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
4084         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
4085         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
4086         ("floatsi<mode>2"): Add wcefb instruction.
4087
4088 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4089
4090         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
4091         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
4092         mode iterators.
4093         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
4094         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
4095         support 32 bit fp-int conversions. Rename to ...
4096         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4097         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
4098         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
4099         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
4100         ... to these.
4101
4102 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4103
4104         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
4105         if-then-else constructs if we can use the select instruction.
4106         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
4107
4108 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4109
4110         * config/s390/s390.md ("*popcountdi_arch13_cc")
4111         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
4112         definition.
4113         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
4114         Append _z196 to make it ...
4115         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
4116         ("popcounthi2_z196"): ... this.
4117         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
4118         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
4119
4120 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4121
4122         * config/s390/s390.c (s390_canonicalize_comparison): Convert
4123         certain compares for arch13 in order to make use of the condition
4124         code result produced by the new instructions.
4125         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
4126         nxrk, and nxgrk instruction patterns.
4127         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
4128         (inv_no): Add new code iterator together with some attributes.
4129         ("*andc_split_<mode>"): Disable splitter for arch13.
4130         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
4131         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
4132         ("*<ANDOR:bitops_name>c<GPR:mode>")
4133         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
4134         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
4135         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
4136         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
4137
4138 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
4139
4140         * common/config/s390/s390-common.c (processor_flags_table): New
4141         entry for arch13.
4142         * config.gcc: Support arch13 with the --with-arch= configure flag.
4143         * config/s390/driver-native.c (s390_host_detect_local_cpu):
4144         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
4145         * config/s390/s390.c (s390_get_sched_attrmask)
4146         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
4147         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
4148         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
4149         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
4150         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
4151         definitions.
4152         * config/s390/s390.opt: Support arch13 as processor type in
4153         command line options.
4154
4155 2019-04-02  Martin Liska  <mliska@suse.cz>
4156
4157         PR translation/89912
4158         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
4159         Fix param description of graphite-max-arrays-per-scop.
4160
4161 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
4162
4163         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
4164         (ASAN_CC1_SPEC): Use it in 64-bit mode.
4165         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
4166
4167 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4168
4169         PR rtl-optimization/85412
4170         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
4171         sel_sched_region_1, not after.
4172
4173 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4174
4175         PR rtl-optimization/86928
4176         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
4177         compute_live if necessary.
4178         (sel_redirect_edge_and_branch): Likewise.
4179
4180 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
4181
4182         PR rtl-optimization/89865
4183         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
4184         register if it is a part of small class.
4185
4186 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
4187
4188         PR rtl-optimization/87273
4189         * sel-sched-ir.c (merge_fences): Remove assert.
4190
4191 2019-04-01  Richard Biener  <rguenther@suse.de>
4192
4193         PR tree-optimization/46590
4194         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
4195         (dom_walker::m_reachability): Add in place of...
4196         (dom_walker::m_skip_unreachable_blocks): ...this.
4197         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
4198         Move complex initialization ...
4199         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
4200         lazily and initialize edge flags on each invocation.
4201         (dom_walker::bb_reachable): Use m_reachability.
4202
4203 2019-04-01  Martin Liska  <mliska@suse.cz>
4204
4205         PR driver/89861
4206         * opt-suggestions.c (option_proposer::build_option_suggestions):
4207         Add variant without any argument in order to provide better
4208         hints.
4209
4210 2019-04-01  Richard Biener  <rguenther@suse.de>
4211
4212         PR c/71598
4213         * gimple.c: Include langhooks.h.
4214         (gimple_get_alias_set): Treat enumeral types as the underlying
4215         integer type.
4216
4217 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
4218             Eric Botcazou  <ebotcazou@adacore.com>
4219
4220         PR rtl-optimization/89862
4221         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
4222         that operates on the full registers for WORD_REGISTER_OPERATIONS
4223         architectures.
4224
4225 2019-03-29  Jim Wilson  <jimw@sifive.com>
4226
4227         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
4228         Clear MASK_RVC and then set if C subset supported.
4229
4230 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4231
4232         PR c/89872
4233         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
4234         non-addressable complit into its initializer if it is volatile.
4235
4236 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
4237
4238         * opts-common.c (integral_argument): Set errno properly in one case.
4239
4240 2019-03-29  Martin Liska  <mliska@suse.cz>
4241
4242         * doc/invoke.texi: Remove -Wchkp from documentation.
4243
4244 2019-03-29  Martin Liska  <mliska@suse.cz>
4245
4246         * dbgcnt.c (print_limit_reach): New function.
4247         (dbg_cnt): Use it.
4248
4249 2019-03-29  Martin Liska  <mliska@suse.cz>
4250
4251         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
4252         (dbg_cnt_process_opt): Parse first tokens aas
4253         dbg_cnt_process_single_pair is also using strtok.
4254
4255 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
4256
4257         PR rtl-optimization/87485
4258         * function.c (expand_function_end): Move stack_protect_epilogue
4259         before loading of return value into hard register(s).
4260
4261 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4262
4263         PR middle-end/89621
4264         * tree-inline.h (struct copy_body_data): Add
4265         dont_remap_vla_if_no_change flag.
4266         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4267         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4268         and remap_type_2 returns false.
4269         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4270         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4271         only from where it is copied to nested contexts.
4272
4273 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4274
4275         PR target/89865
4276         * config/i386/i386.md (RMW operation with LEA peephole):
4277         Use LEAMODE mode attribute instead of SWI mode iterator for
4278         LEA pattern.
4279
4280 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4281
4282         PR target/89848
4283         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4284         Also process XEXP (src, 0) of a shift insn.
4285
4286 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4287
4288         PR middle-end/89725
4289         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4290         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4291
4292 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4293
4294         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4295         test.
4296         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4297         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4298         immediately after first one with df_analyze in between, but rather
4299         process all bbs, queueing ones that need second pass in a worklist,
4300         df_analyze, process queued debug insn changes and if second pass is
4301         needed, process bbs from worklist, df_analyze, process queued debug
4302         insns again.
4303
4304         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4305         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4306         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4307
4308 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4309
4310         PR c/79022
4311         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4312         definition.
4313
4314 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4315
4316         PR target/85667
4317         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4318         function for 32-bit MS_ABI.
4319         (function_value_ms_32): New function.
4320
4321 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4322
4323         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4324         (movdi): Call gen_movdi_symbol_save_scc.
4325         (gen_movdi_symbol_save_scc): New insn and split.
4326
4327 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4328
4329         PR rtl-optimization/89313
4330         * function.c (matching_constraint_num): New static function.
4331         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4332         Don't replace inputs with non-matching constraints which conflict
4333         with early clobber outputs.
4334
4335 2019-03-27  Jeff Law  <law@redhat.com>
4336
4337
4338         PR rtl-optimization/87761
4339         PR rtl-optimization/89826
4340         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4341         slightly later.
4342         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4343         note problem to get REG_DEAD/REG_UNUSED notes updated.
4344
4345 2019-03-27  Richard Biener  <rguenther@suse.de>
4346
4347         PR tree-optimization/89463
4348         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4349         queue edges to remove.
4350         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4351         dead stmts.  Delay edge removal until PHIs are removed to
4352         make debug-stmt creation not confused by seemingly degenerate
4353         PHIs.
4354
4355 2019-03-27  Alan Modra  <amodra@gmail.com>
4356
4357         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4358         throughout file.
4359         * config/rs6000/darwin.h: Likewise.
4360         * config/rs6000/rs6000.c: Likewise.
4361
4362 2019-03-27  Alan Modra  <amodra@gmail.com>
4363
4364         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4365         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4366
4367 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4368             Jim Wilson  <jimw@sifive.com>
4369
4370         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4371         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4372         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4373         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4374         (generic_alu): Add auipc to type list.
4375         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4376         (riscv_microarchitecture): Declare.
4377         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4378         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4379         field.
4380         (riscv_microarchitecture): New.
4381         (sifive_7_tune_info): New.
4382         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4383         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4384         entries.
4385         (riscv_store_data_bypass_p): New.
4386         (riscv_option_override): Set riscv_microarchitecture from
4387         cpu->microarchitecture.
4388         * config/riscv/riscv.md: Include sifive-7.md.
4389         (type): Add auipc.
4390         (tune): New.
4391         (auipc<mode>): Change type to auipc.
4392         (restore_stack_nonlocal): New.
4393         * config/riscv/sifive-7.md: New.
4394         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4395
4396 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4397
4398         PR target/89827
4399         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4400         Also process XEXP (src, 0) of a shift insn.
4401
4402 2019-03-26  Richard Biener  <rguenther@suse.de>
4403
4404         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4405         (copy_debug_stmt): Likewise.
4406         (expand_call_inline): Likewise.
4407         (copy_bb): Avoid redundant lookup & set of gimple_block.
4408         * gimple-low.c (lower_gimple_return): Likewise.
4409         (lower_builtin_setjmp): Likewise.
4410
4411 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4412
4413         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4414         is constant 0, turn into static const data member initialized to false.
4415         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4416         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4417
4418 2019-03-26  Jason Merrill  <jason@redhat.com>
4419             Jakub Jelinek  <jakub@redhat.com>
4420
4421         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4422         method.
4423         (mem_alloc_description::release_object_overhead): Fix comment typos.
4424         * hash-table.h (hash_table::~hash_table): Call
4425         release_instance_overhead only if m_entries is non-NULL, otherwise
4426         call unregister_descriptor.
4427
4428 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4429
4430         PR tree-optimization/81740
4431         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4432         In case of outer loop vectorization, check for backward dependence
4433         at the inner loop if outer loop dependence is reversed.
4434
4435 2019-03-26  Alan Modra  <amodra@gmail.com>
4436
4437         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4438         rs6000_vector_mem init.  Correct wI and wJ comment.
4439
4440 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4441
4442         PR rtl-optimization/88347
4443         PR rtl-optimization/88423
4444         * sched-deps.c (sched_analyze_insn): Take into account that for
4445         tablejumps the barrier appears after a label and a jump_table_data.
4446
4447 2019-03-25  Martin Sebor  <msebor@redhat.com>
4448
4449         PR c/89812
4450         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4451         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4452         convert it to UHWI when it fits.
4453
4454 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4455
4456         PR debug/86964
4457         * dwarf2out.c (premark_used_variables): New function.
4458         (prune_unused_types_walk): Do not mark not premarked external
4459         variables.
4460         (prune_unused_types): Call premark_used_variables.
4461
4462 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4463
4464         PR rtl-optimization/89676
4465         * lra-constraints.c (curr_insn_transform): Do match reload for
4466         early clobbers when the match was successful only for different
4467         registers.
4468
4469 2019-03-25  Martin Sebor  <msebor@redhat.com>
4470
4471         * doc/extend.texi (Common Type Attributes): Document vector_size.
4472         (Common Variable Attributes): Mention size constraint.  Correct
4473         quoting and typos.
4474         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4475         base type and size constraints.
4476
4477 2019-03-25  Richard Biener  <rguenther@suse.de>
4478
4479         PR tree-optimization/89789
4480         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4481         changes from non-undefined back to undefined.
4482
4483 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4484
4485         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4486         heap string and a gc string, but since this variable is unknown to
4487         ggc the gc string might get reused and corrupted. Fixed by always
4488         using a heap string.
4489
4490 2019-03-25  Richard Biener  <rguenther@suse.de>
4491
4492         PR tree-optimization/89779
4493         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4494         to remove IV defs, delay actual removal.
4495         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4496         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4497         very end, properly also reset loop control IV information.
4498
4499 2019-03-25  Richard Biener  <rguenther@suse.de>
4500
4501         PR tree-optimization/89802
4502         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4503         move EH data to folded stmt.
4504
4505 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4506
4507         * config/s390/s390-builtin-types.def: Remove few unused types and
4508         fix sort order for others.
4509
4510 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4511
4512         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4513         expected and found types with -mdebug during builtin matching.
4514
4515 2019-03-25  Richard Biener  <rguenther@suse.de>
4516
4517         PR middle-end/89790
4518         * fold-const.c (operand_equal_p): Revert last change with
4519         updated comment.
4520
4521 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4522
4523         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4524         notes for the result of the __tls_get_addr calls.
4525         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4526
4527 2019-03-24  Jeff Law  <law@redhat.com>
4528
4529         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4530
4531         PR rtl-optimization/87761
4532         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4533         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4534         as needed.
4535         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4536         rescans.  Reprocess blocks as needed, calling df_analyze before
4537         reprocessing.  Always call df_analyze before fixing up debug bind
4538         insns.
4539
4540 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4541
4542         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4543         big endian.
4544
4545 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4546
4547         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4548         attrribute for uxtw.
4549
4550 2019-03-26  Jeff Law  <law@redhat.com>
4551
4552         PR rtl-optimization/87761
4553         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4554         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4555         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4556         into the next instruction.
4557         (mips_split_move_insn): Pass INSN through to mips_split_move.
4558
4559 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4560
4561         PR rtl-optimization/89676
4562         * lra-constraints.c (curr_insn_transform): Do match reload for
4563         early clobbers even if the match was successful.
4564
4565 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4566
4567         PR c++/87481
4568         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4569
4570 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4571
4572         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4573
4574 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4575
4576         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4577         <avx512>_fmsub_<mode>_mask3<round_name>,
4578         <avx512>_fnmadd_<mode>_mask3<round_name>,
4579         <avx512>_fnmsub_<mode>_mask3<round_name>,
4580         avx512f_vmfmadd_<mode>_mask3<round_name>,
4581         avx512f_vmfmsub_<mode>_mask3<round_name>,
4582         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4583         instead of register_operand and %v instead of v for match_operand 1.
4584         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4585         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4586         <round_nimm_predicate> instead of register_operand and %v instead of v
4587         for match_operand 1.
4588
4589         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4590         <avx512>_fmadd_<mode>_mask3<round_name>,
4591         <avx512>_fmsub_<mode>_mask<round_name>,
4592         <avx512>_fmsub_<mode>_mask3<round_name>,
4593         <avx512>_fnmadd_<mode>_mask<round_name>,
4594         <avx512>_fnmadd_<mode>_mask3<round_name>,
4595         <avx512>_fnmsub_<mode>_mask<round_name>,
4596         <avx512>_fnmsub_<mode>_mask3<round_name>,
4597         <avx512>_fmaddsub_<mode>_mask<round_name>,
4598         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4599         <avx512>_fmsubadd_<mode>_mask<round_name>,
4600         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4601         <round_nimm_predicate> instead of nonimmediate_operand.
4602         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4603         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4604         Use register_operand instead of <round_nimm_predicate> for the
4605         operand that needs to match output.
4606         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4607         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4608         Likewise.  Formatting fixes.
4609
4610         PR target/89784
4611         * config/i386/i386.c (enum ix86_builtins): Remove
4612         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4613         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4614         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4615         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4616         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4617         __builtin_ia32_vfmsubss3_mask3): New builtins.
4618         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4619         avx512f_vmfmadd_<mode>_mask3<round_name>,
4620         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4621         *avx512f_vmfmsub_<mode>_mask<round_name>,
4622         avx512f_vmfmsub_<mode>_mask3<round_name>,
4623         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4624         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4625         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4626         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4627         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4628         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4629         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4630         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4631         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4632         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4633         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4634         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4635         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4636         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4637         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4638         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4639         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4640         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4641         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4642         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4643         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4644         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4645         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4646         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4647         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4648         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4649         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4650         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4651
4652 2019-03-21  Martin Sebor  <msebor@redhat.com>
4653
4654         PR tree-optimization/89350
4655         * builtins.c (compute_objsize): Also ignore offsets whose upper
4656         bound is negative.
4657         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4658         (builtin_memref::builtin_memref): Initialize new member.
4659         Allow EXPR to be null.
4660         (builtin_memref::extend_offset_range): Replace local with a member.
4661         Avoid assuming pointer offsets are unsigned.
4662         (builtin_memref::set_base_and_offset): Determine base object
4663         before computing offset range.
4664         (builtin_access::builtin_access): Handle memset.
4665         (builtin_access::generic_overlap): Replace local with a member.
4666         (builtin_access::strcat_overlap): Same.
4667         (builtin_access::overlap): Same.
4668         (maybe_diag_overlap): Same.
4669         (maybe_diag_access_bounds): Same.
4670         (wrestrict_dom_walker::check_call): Handle memset.
4671         (check_bounds_or_overlap): Same.
4672
4673 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4674             Jakub Jelinek  <jakub@redhat.com>
4675
4676         PR lto/89692
4677         * tree.c (fld_type_variant, fld_incomplete_type_of,
4678         fld_process_array_type): Call fld->pset.add and don't call
4679         add_tree_to_fld_list if it returns true.
4680         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4681         non-marked types from TYPE_NEXT_VARIANT list.
4682         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4683
4684 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4685
4686         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4687         to false, if true, don't alloc_entries during construction, but defer
4688         it to the first method that needs m_entries allocated.
4689         (hash_table::hash_table, hash_table::~hash_table,
4690         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4691         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4692         hash_table::clear_slot, hash_table::traverse_noresize,
4693         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4694         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4695         false.
4696         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4697         NO_INSERT instead of find_with_hash.
4698         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4699         hash_set::m_table): Add Lazy to template params of hash_table.
4700         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4701         * attribs.c (test_attribute_exclusions): Likewise.
4702         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4703         hash_set.  Add tests for hash_set with Lazy = true.
4704
4705 2019-03-21  Richard Biener  <rguenther@suse.de>
4706
4707         PR tree-optimization/89779
4708         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4709         checks with respect to released SSA names now having error_mark_node
4710         type.
4711         * fold-const.c (operand_equal_p): Likewise.
4712
4713 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4714
4715         PR target/89775
4716         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4717         available to ...
4718         (s390_optimize_register_info): Use global_not_special_regno_p to
4719         check for global regs.
4720
4721 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4722
4723         PR target/89752
4724         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4725         update this_alternative nor this_alternative_set.
4726
4727 2019-03-19  Jim Wilson  <jimw@sifive.com>
4728
4729         PR target/89411
4730         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4731         align, size, offset.  Use them to handle a BLKmode reference.  Update
4732         comment.
4733         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4734
4735 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4736
4737         PR rtl-optimization/89768
4738         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4739         instead of GEN_INT.
4740         (unroll_loop_runtime_iterations): Likewise.
4741
4742 2019-03-19  Martin Sebor  <msebor@redhat.com>
4743
4744         PR tree-optimization/89644
4745         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4746         rather than endptr as an indicator of nul-termination.
4747
4748         PR tree-optimization/89644
4749         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4750         arrays in determining sequence sizes in strncpy and stpncpy.
4751
4752 2019-03-19  Martin Liska  <mliska@suse.cz>
4753
4754         PR middle-end/89737
4755         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4756         unlikely_edges if there's an edge that belongs to both these sets.
4757
4758 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4759
4760         PR target/89746
4761         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4762         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4763         go via a stack temporary.
4764
4765 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4766
4767         PR target/89378
4768         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4769         instead of gen_rtx_SUBREG.
4770         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4771
4772 2019-03-19  Richard Biener  <rguenther@suse.de>
4773
4774         PR debug/88389
4775         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4776
4777 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4778
4779         PR lto/87809
4780         PR lto/89335
4781         * tree.c (free_lang_data_in_decl): Do not free context of C++
4782         destrutors.
4783
4784 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4785
4786         PR target/89506
4787         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4788         subs for the first alternative except when operands[3] is 1.
4789
4790         PR target/89752
4791         * gimplify.c (gimplify_asm_expr): For output argument with
4792         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4793         diagnose error.
4794
4795 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4796
4797         PR rtl-optimization/89753
4798         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4799         explicit unrolling factor even more robust.
4800
4801 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4802
4803         PR target/89726
4804         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4805         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4806         signed zeros, do another copysign after the compensation.
4807
4808 2019-03-18  Martin Sebor  <msebor@redhat.com>
4809
4810         PR tree-optimization/89720
4811         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4812         more conservatively, the same as anti-range.
4813
4814 2019-03-18  Richard Biener  <rguenther@suse.de>
4815
4816         PR middle-end/88945
4817         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4818         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4819         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4820         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4821
4822 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4823
4824         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4825         Extend queue to 1024 entries.
4826         Add "consumed" field.
4827         (gomp_print_output): Remove print_index parameter.
4828         Add final parameter.
4829         Change limit to unsigned.
4830         Use consumed field to implement circular buffer.
4831         Detect interrupted print in final pass.
4832         Flush output at the end.
4833         (run): Update gomp_print_output usage.
4834         (main): Initialize kernargs->output_data.consumed.
4835
4836 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4837
4838         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4839         calculation of the minimum number of scalar iterations for
4840         fully-predicated loops.
4841
4842 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4843
4844         PR tree-optimization/89546
4845         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4846         any propagation to its children took place.
4847
4848 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4849
4850         PR target/89627
4851         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4852         parameter, and make use of it.
4853         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4854
4855 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4856
4857         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4858         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4859         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4860         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4861         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4862         match what the ops is doing.
4863         (push_multi_fp_blink): Likewise.
4864         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4865         compiling for size and elf target.
4866         (arc_save_callee_enter): Adjust note to match what enter/leave
4867         operation does.
4868
4869 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4870
4871         * config/arc/arc.md (tst_movb): Fix constraint.
4872
4873 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4874
4875         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4876
4877 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4878
4879         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4880         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4881         reg_alloc_order references.
4882         (size_alloc_order): Define.
4883         (arc_adjust_reg_alloc_order): New function.
4884         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4885         order.
4886         (ADJUST_REG_ALLOC_ORDER): Define.
4887         (HONOR_REG_ALLOC_ORDER): Likewise.
4888
4889 2019-03-18  Richard Biener  <rguenther@suse.de>
4890
4891         PR target/87561
4892         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4893         loads and stores a bit more.
4894
4895 2019-03-18  Richard Biener  <rguenther@suse.de>
4896
4897         PR target/87561
4898         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4899         load pessimization to stores as well.
4900
4901 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4902
4903         PR middle-end/86979
4904         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4905         successor, use NULL as its av set.
4906
4907 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4908
4909         PR rtl-optimization/89721
4910         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4911
4912 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4913
4914         PR target/87532
4915         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4916         When handling vec_extract, use modular arithmetic to allow
4917         constant selectors greater than vector length.
4918         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4919         V1TImode vectors to have constant selector values greater than 0.
4920         Use modular arithmetic to compute vector index.
4921         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4922         index for in-memory vectors.  Correct code generation for
4923         in-register vectors.
4924         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4925         compute index.
4926
4927 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4928
4929         PR c++/88534
4930         PR c++/88537
4931         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4932         VAR_DECL args.
4933
4934 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4935
4936         PR c++/89709
4937         * tree.c (inchash::add_expr): Strip any location wrappers.
4938         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4939         after hash verification.
4940
4941         PR debug/89704
4942         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4943         SIGN_EXTEND and ZERO_EXTEND.
4944
4945 2019-03-14  Jason Merrill  <jason@redhat.com>
4946             Jakub Jelinek  <jakub@redhat.com>
4947
4948         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4949         than if is_empty (*slot).
4950         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4951         existing elt and for elt removal.
4952         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4953         of already removed elt.
4954
4955 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4956
4957         PR target/89650
4958         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4959         REG_EH_REGION note.
4960
4961 2019-03-14  Martin Liska  <mliska@suse.cz>
4962
4963         PR other/89712
4964         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4965
4966 2019-03-14  Richard Biener  <rguenther@suse.de>
4967
4968         PR target/89711
4969         * config/i386/i386.c (make_resolver_func): Properly set
4970         DECL_CONTEXT on the RESULT_DECL.
4971         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4972
4973 2019-03-14  Richard Biener  <rguenther@suse.de>
4974
4975         * gimple-pretty-print.c: Include cfgloop.h.
4976         (dump_gimple_phi): Adjust.
4977         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4978         (pp_cfg_jump): Adjust.
4979         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4980         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4981         (lower_phi_internal_fn): Remove.
4982         (verify_gimple_call): Remove IFN_PHI special-casing.
4983         (dump_function_to_file): Dump IL state.
4984         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4985         done to deal with PHI nodes being present in non-SSA state.
4986
4987 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4988
4989         PR ipa/89684
4990         * multiple_target.c (create_dispatcher_calls): Change
4991         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4992         In the node->iterate_referring loop, push *ref rather than ref, call
4993         ref->remove_reference () and always pass 0 to iterate_referring.
4994
4995         PR rtl-optimization/89679
4996         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4997         would contain a paradoxical SUBREG.
4998
4999 2019-03-14  Richard Biener  <rguenther@suse.de>
5000
5001         PR tree-optimization/89710
5002         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
5003         safe_dyn_cast.
5004
5005 2019-03-14  Martin Liska  <mliska@suse.cz>
5006
5007         * coverage.c (coverage_begin_function): Stream also
5008         end_column.
5009         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
5010         documentation about function declaration location.
5011         * gcov-dump.c (tag_function): Print whole range
5012         of function declaration.
5013         * gcov.c (struct function_info): Add end_column field.
5014         (function_info::function_info): Initialize it.
5015         (output_json_intermediate_file): Output {start,end}_column
5016         fields.
5017         (read_graph_file): Read end_column.
5018
5019 2019-03-14  Richard Biener  <rguenther@suse.de>
5020
5021         PR middle-end/89698
5022         * fold-const.c (operand_equal_p): For INDIRECT_REF check
5023         that the access types are similar.
5024
5025 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
5026
5027         PR tree-optimization/89703
5028         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
5029         aren't compatible also with builtin_decl_explicit.  Check pure
5030         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
5031         and BUILT_IN_STPNCPY{,_CHK}.
5032
5033 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
5034
5035         PR target/89523
5036         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
5037         addr32 prefix to VSIB address for X32.
5038         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
5039         "%M2" to opcode.
5040         (*avx512pf_gatherpf<mode>df_mask): Likewise.
5041         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
5042         (*avx512pf_scatterpf<mode>df_mask): Likewise.
5043         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
5044         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
5045         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
5046         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
5047         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
5048         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
5049         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
5050         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
5051         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
5052         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
5053         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
5054         (*avx512f_scatterdi<mode>): Likewise.
5055
5056 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
5057
5058         PR target/85860
5059         * lra-constraints.c (inherit_in_ebb): Update
5060         potential_reload_hard_regs along with live_hard_regs.
5061
5062 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5063
5064         PR debug/89498
5065         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
5066         DWARF_OFFSET_SIZE.
5067         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
5068
5069 2019-03-13  Martin Sebor  <msebor@redhat.com>
5070
5071         PR tree-optimization/89662
5072         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
5073         has a size.
5074
5075 2019-03-13  Richard Biener  <rguenther@suse.de>
5076
5077         PR middle-end/89677
5078         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
5079         throw FP expressions at tree-affine.
5080
5081 2019-03-14  Richard Biener  <rguenther@suse.de>
5082
5083         * tree-pretty-print.c (dump_generic_node): For -gimple properly
5084         dump negative integer constants using _Literal (type) -num.
5085
5086 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
5087
5088         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
5089         nonlocal_value member.
5090
5091         PR middle-end/88588
5092         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
5093         (ipa_simd_modify_function_body): Handle PHIs.
5094
5095 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5096
5097         * config/s390/s390.c (s390_option_override_internal): Use more
5098         aggressive inlining parameters.
5099
5100 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5101
5102         * config/s390/3906.md: New file.
5103         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5104         (LONGRUNNING_THRESHOLD): Remove.
5105         (MAX_SCHED_MIX_SCORE): Decrease.
5106         (MAX_SCHED_MIX_DISTANCE): Decrease.
5107         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
5108         (struct s390_sched_state): New struct to hold scheduling state.
5109         (S390_SCHED_STATE_NORMAL): Remove.
5110         (S390_SCHED_STATE_CRACKED): Remove.
5111         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
5112         (s390_get_sched_attrmask): Use new attribute.
5113         (s390_get_unit_mask): Use new units.
5114         (s390_is_fpd): New function.
5115         (s390_is_fxd): New function.
5116         (s390_is_longrunning): New function.
5117         (s390_sched_score): Use new functions.
5118         (s390_sched_reorder): Likewise.
5119         (s390_sched_variable_issue): Rework and use new functions.
5120         (s390_sched_init): Use new functions.
5121         * config/s390/s390.h (s390_tune_attr):  Add z14.
5122         * config/s390/s390.md: Add z14.
5123
5124 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
5125
5126         * config/s390/2964.md: Update pipeline description.
5127         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
5128         (LONGRUNNING_THRESHOLD): Remove.
5129         (LATENCY_FACTOR): Remove.
5130         (s390_get_unit_mask): Add unit.
5131         (s390_sched_score): Use fxd/fpd.
5132         (s390_sched_variable_issue): Use fxd/fpd.
5133
5134 2019-03-12  Martin Liska  <mliska@suse.cz>
5135
5136         * config/i386/i386.c: Reword an error message.
5137
5138 2019-03-12  Martin Jambor  <mjambor@suse.cz>
5139
5140         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
5141         terminate with newline.
5142
5143 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
5144
5145         PR target/52726
5146         * config/s390/s390.md (tabort): Use %wd instead of
5147         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
5148         letters and periods.
5149         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
5150         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
5151         's with %< and %>.
5152
5153         PR middle-end/89663
5154         * builtins.c (expand_builtin_int_roundingfn,
5155         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
5156         gcc_unreachable if validate_arglist fails.
5157
5158 2019-03-12  Richard Biener  <rguenther@suse.de>
5159
5160         PR tree-optimization/89664
5161         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
5162         free the occurance tree after the early out.
5163
5164 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
5165
5166         PR middle-end/89655
5167         PR bootstrap/89656
5168         * vr-values.c (vr_values::update_value_range): If
5169         old_vr->varying_p (), don't update it, make new_vr also VARYING
5170         and return false.
5171
5172 2019-03-11  Martin Liska  <mliska@suse.cz>
5173
5174         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5175         Fix double string quoting.
5176
5177 2019-03-11  Martin Liska  <mliska@suse.cz>
5178
5179         * collect-utils.c (collect_wait): Wrap apostrophes
5180         in gcc internal format with %'.
5181         * collect2.c (main): Likewise.
5182         (scan_prog_file): Likewise.
5183         (scan_libraries): Likewise.
5184         * config/i386/i386.c (ix86_expand_call): Likewise.
5185         (ix86_handle_interrupt_attribute): Likewise.
5186         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
5187         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
5188         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
5189         * lto-wrapper.c (find_crtoffloadtable): Likewise.
5190         * symtab.c (symtab_node::verify_base): Likewise.
5191         * tree-cfg.c (verify_gimple_label): Likewise.
5192         * tree.c (verify_type_variant): Likewise.
5193
5194 2019-03-11  Martin Liska  <mliska@suse.cz>
5195
5196         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
5197         in a string format message and fix GNU coding style.
5198         (expand_builtin_set_thread_pointer): Likewise.
5199         * common/config/aarch64/aarch64-common.c
5200         (aarch64_rewrite_selected_cpu): Likewise.
5201         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
5202         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
5203         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
5204         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
5205         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
5206         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
5207         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
5208         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
5209         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
5210         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
5211         Likewise.
5212         * common/config/riscv/riscv-common.c
5213         (riscv_subset_list::parsing_subset_version): Likewise.
5214         (riscv_subset_list::parse_std_ext): Likewise.
5215         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5216         (riscv_subset_list::parse): Likewise.
5217         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
5218         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
5219         (aarch64_override_options_internal): Likewise.
5220         (aarch64_validate_mcpu): Likewise.
5221         (aarch64_validate_march): Likewise.
5222         (aarch64_validate_mtune): Likewise.
5223         (aarch64_override_options): Likewise.
5224         * config/alpha/alpha.c (alpha_option_override): Likewise.
5225         * config/arc/arc.c (arc_init): Likewise.
5226         (parse_mrgf_banked_regs_option): Likewise.
5227         (arc_override_options): Likewise.
5228         (arc_expand_builtin_aligned): Likewise.
5229         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
5230         (arm_expand_builtin): Likewise.
5231         * config/arm/arm.c (arm_option_check_internal): Likewise.
5232         (arm_configure_build_target): Likewise.
5233         (arm_option_override): Likewise.
5234         (arm_options_perform_arch_sanity_checks): Likewise.
5235         (arm_handle_cmse_nonsecure_entry): Likewise.
5236         (arm_handle_cmse_nonsecure_call): Likewise.
5237         (arm_tls_referenced_p): Likewise.
5238         (thumb1_expand_prologue): Likewise.
5239         * config/avr/avr.c (avr_option_override): Likewise.
5240         * config/bfin/bfin.c (bfin_option_override): Likewise.
5241         * config/c6x/c6x.c (c6x_option_override): Likewise.
5242         * config/cr16/cr16.c (cr16_override_options): Likewise.
5243         * config/cris/cris.c (cris_option_override): Likewise.
5244         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
5245         * config/darwin-c.c (macosx_version_as_macro): Likewise.
5246         * config/darwin.c (darwin_override_options): Likewise.
5247         * config/frv/frv.c (frv_expand_builtin): Likewise.
5248         * config/h8300/h8300.c (h8300_option_override): Likewise.
5249         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
5250         (ix86_option_override_internal): Likewise.
5251         (warn_once_call_ms2sysv_xlogues): Likewise.
5252         (ix86_expand_prologue): Likewise.
5253         (split_stack_prologue_scratch_regno): Likewise.
5254         (ix86_warn_parameter_passing_abi): Likewise.
5255         * config/ia64/ia64.c (fix_range): Likewise.
5256         * config/m68k/m68k.c (m68k_option_override): Likewise.
5257         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
5258         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
5259         (mips_set_compression_mode): Likewise.
5260         * config/mmix/mmix.c (mmix_option_override): Likewise.
5261         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
5262         * config/msp430/msp430.c (msp430_option_override): Likewise.
5263         * config/nds32/nds32.c (nds32_option_override): Likewise.
5264         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5265         (nios2_option_override): Likewise.
5266         (nios2_expand_custom_builtin): Likewise.
5267         * config/nvptx/mkoffload.c (main): Likewise.
5268         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5269         * config/pa/pa.c (fix_range): Likewise.
5270         (pa_option_override): Likewise.
5271         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5272         (riscv_option_override): Likewise.
5273         * config/rl78/rl78.c (rl78_option_override): Likewise.
5274         * config/rs6000/aix61.h: Likewise.
5275         * config/rs6000/aix71.h: Likewise.
5276         * config/rs6000/aix72.h: Likewise.
5277         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5278         * config/rs6000/freebsd64.h: Likewise.
5279         * config/rs6000/linux64.h: Likewise.
5280         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5281         (rs6000_expand_zeroop_builtin): Likewise.
5282         (rs6000_expand_mtfsb_builtin): Likewise.
5283         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5284         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5285         (rs6000_invalid_builtin): Likewise.
5286         (rs6000_expand_split_stack_prologue): Likewise.
5287         * config/rs6000/rtems.h: Likewise.
5288         * config/rx/rx.c (valid_psw_flag): Likewise.
5289         (rx_expand_builtin): Likewise.
5290         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5291         * config/s390/s390.c (s390_expand_builtin): Likewise.
5292         (s390_function_profiler): Likewise.
5293         (s390_option_override_internal): Likewise.
5294         (s390_option_override): Likewise.
5295         * config/sh/sh.c (sh_option_override): Likewise.
5296         (sh_builtin_saveregs): Likewise.
5297         (sh_fix_range): Likewise.
5298         * config/sh/vxworks.h: Likewise.
5299         * config/sparc/sparc.c (sparc_option_override): Likewise.
5300         * config/spu/spu.c (spu_option_override): Likewise.
5301         (fix_range): Likewise.
5302         * config/visium/visium.c (visium_option_override): Likewise.
5303         (visium_handle_interrupt_attr): Likewise.
5304         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5305         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5306         (dbg_cnt_process_opt): Likewise.
5307         * dwarf2out.c (output_dwarf_version): Likewise.
5308         * except.c (expand_eh_return): Likewise.
5309         * gcc.c (defined): Likewise.
5310         (driver_handle_option): Likewise.
5311         (process_command): Likewise.
5312         (compare_files): Likewise.
5313         (driver::prepare_infiles): Likewise.
5314         (driver::do_spec_on_infiles): Likewise.
5315         (driver::maybe_run_linker): Likewise.
5316         * omp-offload.c (oacc_parse_default_dims): Likewise.
5317         * opts-global.c (handle_common_deferred_options): Likewise.
5318         * opts.c (parse_sanitizer_options): Likewise.
5319         (common_handle_option): Likewise.
5320         (enable_warning_as_error): Likewise.
5321         * passes.c (enable_disable_pass): Likewise.
5322         * plugin.c (parse_plugin_arg_opt): Likewise.
5323         (default_plugin_dir_name): Likewise.
5324         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5325         (default_pch_valid_p): Likewise.
5326         * toplev.c (init_asm_output): Likewise.
5327         (process_options): Likewise.
5328         (toplev::run_self_tests): Likewise.
5329         * tree-cfg.c (verify_gimple_call): Likewise.
5330         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5331         (tree_inlinable_function_p): Likewise.
5332         * var-tracking.c (vt_find_locations): Likewise.
5333
5334 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5335
5336         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5337         only on the else branch.
5338
5339 2019-03-11  Martin Liska  <mliska@suse.cz>
5340
5341         * gcov.c (output_intermediate_json_line): Print function
5342         name of each line.
5343         (output_json_intermediate_file): Add new argument.
5344         * doc/gcov.texi: Document the change.
5345
5346 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5347
5348         PR rtl-optimization/89588
5349         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5350         explicit unrolling factor more robust.
5351
5352 2019-03-11  Richard Biener  <rguenther@suse.de>
5353
5354         PR tree-optimization/89649
5355         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5356         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5357         on the prolog and epilog loops.
5358         (vect_loop_versioning): Return copy of loop.
5359         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5360         on the non-vectorized version of the loop.
5361
5362 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5363
5364         PR target/68924
5365         * config/i386/sse.md (*vec_extractv2di_0_sse):
5366         Add (=r,x) alternative and corresponding splitter.
5367
5368 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5369
5370         PR tree-optimization/85762
5371         PR tree-optimization/87008
5372         PR tree-optimization/85459
5373         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5374         it points to if there is a type changing MEM_REF.  Adjust all callers.
5375         (build_accesses_from_assign): Disable total scalarization if
5376         contains_vce_or_bfcref_p returns true through the new parameter, for
5377         both rhs and lhs.
5378
5379 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5380
5381         PR c/88568
5382         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5383         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5384
5385         PR target/79645
5386         * common.opt (fdiagnostics-show-labels,
5387         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5388         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5389         gas-locview-support, ginline-points, ginternal-reset-location-views):
5390         Terminate description text with a dot.
5391         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5392         * config/mcore/mcore.opt (m210, m340): Likewise.
5393         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5394         mnops=): Start description text with a capital letter.
5395         * config/arc/arc.opt (msize-level=): Likewise.
5396         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5397         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5398         mnewlib): Likewise.
5399         * config/ft32/ft32.opt (msim): Likewise.
5400         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5401         (mnodiv, mnopm): Terminate description text with a dot.
5402         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5403         a colon.
5404         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5405         Likewise.
5406         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5407         text.
5408
5409         PR rtl-optimization/89634
5410         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5411         are modified in BB_END (e->src) instruction.
5412
5413 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5414
5415         PR target/79926
5416         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5417         messages more amenable to translation, and improve wording.
5418
5419 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5420
5421         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5422         ud- and du-chains between phases.
5423
5424 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5425
5426         PR debug/89631
5427         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5428         instead of POLY_INT_CST.
5429
5430 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5431
5432         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5433         requirement.
5434
5435 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5436
5437         PR target/68924
5438         PR target/78782
5439         PR target/87558
5440         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5441         (_mm_storeu_si64): Ditto.
5442
5443 2019-03-08  Martin Liska  <mliska@suse.cz>
5444
5445         PR target/86952
5446         * config/i386/i386.c (ix86_option_override_internal): Disable
5447         jump tables when retpolines are used.
5448
5449 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5450
5451         PR go/63560
5452         * ipa-split.c (execute_split_functions): Do not split
5453         'noinline' or 'section' function.
5454
5455 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5456
5457         PR target/79846
5458         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5459         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5460         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5461
5462         PR ipa/80000
5463         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5464         from diagnostics.  Formatting fixes.
5465
5466         PR target/85665
5467         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5468         warn_odr diagnostics.
5469
5470         PR other/80058
5471         * lra-constraints.c (process_alt_operands): Avoid one space before
5472         " at the end of line and another after " on another line in a string
5473         literal.
5474         * attribs.c (handle_dll_attribute): Likewise.
5475         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5476
5477         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5478         warning_at or inform messages in G_() if there is no ?:.
5479
5480         PR tree-optimization/89550
5481         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5482         returned true.  Formatting fixes.
5483         (expand_builtin_strnlen): Formatting fixes.
5484         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5485         if warning_at returned true.
5486         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5487
5488 2019-03-08  Richard Biener  <rguenther@suse.de>
5489
5490         PR middle-end/89578
5491         * cfgloop.h (struct loop): Add owned_clique field.
5492         * cfgloopmanip.c (copy_loop_info): Copy it.
5493         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5494         cliques.
5495         * tree-inline.c (copy_loops): Remap owned_clique.
5496         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5497         * lto-streamer-out.c (output_cfg): Likewise.
5498
5499 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5500
5501         PR target/80190
5502         * config/darwin.c: Include intl.h.
5503         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5504         composing the message out of two separate parts.
5505
5506 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5507
5508         PR target/80003
5509         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5510         doesn't start with a capital letter and doesn't end with a dot.
5511         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5512         with a capital letter.
5513         (ix86_mangle_function_version_assembler_name): Likewise.
5514         (ix86_generate_version_dispatcher_body): Likewise.
5515         (fold_builtin_cpu): Likewise.
5516         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5517         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5518         translators, wrap full type name in %qs.
5519
5520         PR translation/79999
5521         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5522         depend clause with source (or sink) modifier.
5523         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5524
5525         PR target/89602
5526         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5527         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5528         (avx512f_load<mode>_mask): New define_expand.
5529         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5530         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5531         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5532         __builtin_ia32_movess_mask): New builtins.
5533         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5534         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5535         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5536         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5537
5538 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5539
5540         PR lto/87525
5541         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5542         for extern inline functions.
5543
5544 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5545
5546         PR ipa/88235
5547         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5548         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5549         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5550         have multiple callees.  At the end check if declarations match as
5551         opposed to cgraph_nodes.
5552
5553 2019-03-07  Martin Liska  <mliska@suse.cz>
5554
5555         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5556         which is equivalent to searching for this in clones chain.
5557         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5558         names with a neighbour and special case first node in a chain.
5559
5560 2019-01-25  Jason Merrill  <jason@redhat.com>
5561
5562         PR c++/80916 - spurious "static but not defined" warning.
5563         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5564         for an internal symbol with DECL_EXTERNAL.
5565
5566 2019-04-07  Richard Biener  <rguenther@suse.de>
5567
5568         PR middle-end/89618
5569         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5570         * tree-inline.c (copy_loops): Simplify.
5571
5572 2019-03-07  Martin Liska  <mliska@suse.cz>
5573
5574         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5575
5576 2019-03-07  Richard Biener  <rguenther@suse.de>
5577
5578         PR tree-optimization/89595
5579         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5580         stmt iterator as reference, take boolean output parameter to
5581         indicate whether the stmt was removed and thus the iterator
5582         already advanced.
5583         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5584         stmts created by folding.
5585
5586 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5587
5588         PR c++/89585
5589         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5590         at toplevel.
5591
5592 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5593
5594         PR rtl-optimization/88845
5595         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5596         LRA.
5597         * lra.c (remove_scratches_1): New function.
5598         (remove_scratches): Use it.
5599         (lra_emit_move): Likewise.
5600
5601 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5602
5603         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5604         unaligned_access variable.
5605         * config/arc/arc.c (arc_override_options): Set unaligned access
5606         default on for HS CPUs.
5607         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5608
5609 2019-03-06  Martin Liska  <mliska@suse.cz>
5610
5611         PR gcov-profile/89577
5612         * doc/gcov.texi: Prefer to use --coverage.
5613         * doc/sourcebuild.texi: Likewise.
5614
5615 2019-03-02  Jason Merrill  <jason@redhat.com>
5616
5617         PR c++/86485 - -Wmaybe-unused with empty class ?:
5618         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5619
5620 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5621
5622         PR target/89587
5623         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5624         if_multiarch.
5625
5626         PR middle-end/89590
5627         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5628         exactly one argument.
5629
5630 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5631             Richard Sandiford  <richard.sandiford@arm.com>
5632
5633         PR tree-optimization/89570
5634         * match.pd (vec_cond into cond_op simplification): Don't use
5635         get_conditional_internal_fn, use as_internal_fn (cond_op).
5636
5637 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5638
5639         PR target/89222
5640         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5641         to decide when to split off a non-zero offset from a symbol.
5642         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5643         in function symbols.
5644
5645 2019-03-05  Richard Biener  <rguenther@suse.de>
5646
5647         PR tree-optimization/89594
5648         * tree-if-conv.c (pass_if_conversion::execute): Handle
5649         case where .LOOP_VECTORIZED_FUNCTION was removed.
5650
5651 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5652
5653         PR bootstrap/89560
5654         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5655         instead alloca it only when needed with the needed size.
5656
5657         PR tree-optimization/89570
5658         * match.pd (vec_cond into cond_op simplification): Guard with
5659         vectorized_internal_fn_supported_p test and #if GIMPLE.
5660
5661         PR tree-optimization/89566
5662         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5663         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5664         Punt if get_user_idx_format succeeds, but idx_format argument is
5665         not provided or doesn't have pointer type, or if idx_args is above
5666         number of provided arguments.
5667
5668 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5669
5670         PR tree-optimization/89437
5671         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5672
5673 2019-03-04  Richard Biener  <rguenther@suse.de>
5674
5675         PR middle-end/89572
5676         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5677         safe_dyn_cast.
5678
5679 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5680
5681         PR tree-optimization/89487
5682         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5683         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5684         (distribute_loop): Don't do runtime alias check if there is non-
5685         addressable data reference.
5686         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5687         is a register variable.
5688
5689 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5690
5691         PR target/89506
5692         * config/arm/arm.md (cmpsi2_addneg): Use
5693         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5694         If operands[2] is 0 or INT_MIN, force use of subs.
5695         (*compare_scc splitter): Use gen_int_mode.
5696         (*negscc): Likewise.
5697         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5698
5699 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5700             Monk Chiang  <sh.chiang04@gmail.com>
5701
5702         * common/config/riscv/riscv-common.c: Include sstream.
5703         (riscv_subset_list::to_string): New.
5704         (riscv_arch_str): Likewise.
5705         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5706         * config.in: Regen.
5707         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5708         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5709         (riscv_emit_attribute): New.
5710         (riscv_file_start): Emit attribute if needed.
5711         (riscv_option_override): Init riscv_emit_attribute_p.
5712         * config/riscv/riscv.opt (mriscv-attribute): New option.
5713         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5714         * configure: Regen.
5715         * doc/install.texi: Document --with-riscv-attribute.
5716         * doc/invoke.texi: Document -mriscv-attribute.
5717
5718         * common/config/riscv/riscv-common.c:
5719         Include config/riscv/riscv-protos.h.
5720         (INCLUDE_STRING): Defined.
5721         (RISCV_DONT_CARE_VERSION): Defined.
5722         (riscv_subset_t): Declare.
5723         (riscv_subset_t::riscv_subset_t): New.
5724         (riscv_subset_list): Declare.
5725         (riscv_subset_list::riscv_subset_list): New.
5726         (riscv_subset_list::~riscv_subset_list): Likewise.
5727         (riscv_subset_list::parsing_subset_version): Likewise.
5728         (riscv_subset_list::parse_std_ext): Likewise.
5729         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5730         (riscv_subset_list::add): Likewise.
5731         (riscv_subset_list::lookup): Likewise.
5732         (riscv_subset_list::xlen): Likewise.
5733         (riscv_subset_list::parse): Likewise.
5734         (riscv_supported_std_ext): Likewise.
5735         (current_subset_list): Likewise.
5736         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5737         parse.
5738
5739 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5740
5741         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5742         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5743         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5744
5745 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5746
5747         PR rtl-optimization/85899
5748         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5749         fallthru edges leading to the exit block.
5750
5751 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5752
5753         PR target/89517
5754         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5755         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5756
5757 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5758
5759         PR tree-optimization/89535
5760         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5761         for each operand.  Calculate the fallback choice for mask operands
5762         and pass it to vect_get_vec_def_for_operand.
5763
5764 2019-03-01  Richard Biener  <rguenther@suse.de>
5765
5766         PR middle-end/89541
5767         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5768         get virtual operands.
5769         (get_expr_operands): Handle CONST_DECL like other decls.
5770
5771 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5772
5773         PR middle-end/89503
5774         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5775         on DECL_P and EXPR_P.
5776
5777 2019-03-01  Richard Biener  <rguenther@suse.de>
5778
5779         PR middle-end/89497
5780         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5781         argument, defaulted to zero.
5782         * passes.c (execute_function_todo): Pass down SSA update flags
5783         to cleanup_tree_cfg.
5784         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5785         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5786         form if requested.
5787         (cleanup_tree_cfg): Get and pass down SSA update flags.
5788
5789 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5790
5791         PR bootstrap/89539
5792         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5793         early_lto_debug argument.
5794
5795 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5796
5797         PR tree-optimization/89536
5798         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5799         only whether bit #0 of the value is 0 instead of the entire value.
5800
5801 2019-02-28  Marek Polacek  <polacek@redhat.com>
5802
5803         PR c++/87068 - missing diagnostic with fallthrough statement.
5804         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5805         at the end of a seq, save its location to walk_stmt_info.
5806         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5807         a switch.
5808
5809 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5810
5811         PR lto/88585
5812         * tree.c (find_atomic_core_type): Move ahead in file.
5813         (check_base_type): Correctly compare alignments of atomic types.
5814
5815 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5816
5817         PR target/89455
5818         * config/i386/i386.c (get_builtin_code_for_version): Identify
5819         Westmere from PCLMUL, instead of AES.
5820
5821 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5822
5823         PR target/89434
5824         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5825         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5826         -UINTVAL (...).
5827
5828 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5829
5830         PR target/88530
5831         * config/aarch64/aarch64-option-extensions.def: Document it.
5832         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5833         if empty hwcaps.
5834
5835 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5836
5837         PR c/89520
5838         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5839         builtins if they don't have a single scalar floating point argument.
5840         Formatting fixes.
5841
5842 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5843
5844         PR rtl-optimization/89490
5845         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5846         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5847         block section is not mergeable.
5848
5849 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5850
5851         PR target/70341
5852         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5853         old define_insn to ...
5854         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5855         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5856         Rename old define_insn to ...
5857         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5858         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5859         define_insn to ...
5860         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5861         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5862         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5863
5864 2019-02-27  Richard Biener  <rguenther@suse.de>
5865
5866         PR debug/88878
5867         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5868
5869 2019-02-27  Richard Biener  <rguenther@suse.de>
5870
5871         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5872         building.
5873
5874 2019-02-27  Richard Biener  <rguenther@suse.de>
5875
5876         PR debug/88878
5877         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5878         parameter, prefix section name with .gnu.debuglto_ if true.
5879         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5880         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5881
5882 2019-02-27  Richard Biener  <rguenther@suse.de>
5883
5884         PR debug/89514
5885         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5886         rather than on use_debug_types, doing what output_die does.
5887         (value_format): Likewise.
5888
5889 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5890             Martin Sebor  <msebor@redhat.com>
5891
5892         * doc/invoke.texi (Warning Options): Reword description of
5893         -Wno-absolute-value.
5894
5895 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5896
5897         PR tree-optimization/89280
5898         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5899         builtin_setjmp_setup_bb): New functions.
5900         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5901         When visiting __builtin_setjmp_setup block, queue in special
5902         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5903         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5904         from visited after the loop if they don't have any visited successor
5905         blocks.
5906
5907 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5908
5909         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5910         New function.
5911         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5912
5913 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5914
5915         PR c++/89507
5916         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5917         with types other than sizetype/ssizetype.
5918
5919 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5920
5921         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5922         (enum sparc_processor_type): ...this.
5923         (enum sparc_code_model_type): New enumeration type.
5924         (enum sparc_memory_model_type): Tweak comments.
5925         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5926         (mtune): Likewise.
5927         (mcmodel): Use sparc_code_model enumeration and variable.
5928         (sparc_code_model): New enumeration.
5929         (mdebug): Add Undocumented marker.
5930         * config/sparc/sparc.h (enum cmodel): Delete.
5931         (sparc_cmodel): Likewise.
5932         (TARGET_CM_MEDLOW): Adjust to above renaming.
5933         (TARGET_CM_MEDMID): Likewise.
5934         (TARGET_CM_MEDANY): Likewise.
5935         (TARGET_CM_EMBMEDANY): Likewise.
5936         * config/sparc/sparc.c (sparc_cmodel): Delete.
5937         (sparc_option_override): Remove string/value mapping support for the
5938         code model.  Move code and memory model support to after the handling
5939         of target flags.  Do private machine setup last.
5940         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5941         (sparc_legitimize_reload_address): Likewise.
5942         (sparc_output_mi_thunk): Likewise.
5943         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5944
5945 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5946
5947         PR tree-optimization/89500
5948         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5949         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5950         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5951         cst if the first cst bytes starting at x are known to be non-zero,
5952         even if the string is not zero terminated.  Don't try to modify
5953         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5954         we can prove strnlen returns the same value as strlen would.
5955
5956 2019-02-26  Martin Liska  <mliska@suse.cz>
5957
5958         * alloc-pool.h (struct pool_usage): Remove extra
5959         print_dash_line.
5960         * bitmap.h (struct bitmap_usage): Likewise.
5961         * ggc-common.c (struct ggc_usage): Likewise.
5962         * mem-stats.h (struct mem_usage): Likewise.
5963         (mem_alloc_description::dump): Print dash lines
5964         here and repeat header at the end of a table report.
5965         It's then more readable.
5966         * tree-phinodes.c (phinodes_print_statistics): Make
5967         horizontal alignment.
5968         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5969         * vec.c (struct vec_usage): Remove extra print_dash_line.
5970         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5971
5972 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5973
5974         * doc/extend.texi (__builtin_object_size):
5975         Use @pxref instead of @xref inside parenthesis.
5976         (__builtin_has_attribute): Add missing comma after @xref.
5977         (__builtin_object_size): Ditto.
5978         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5979         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5980         in the list.
5981
5982 2019-02-26  Jeff Law  <law@redhat.com>
5983
5984         PR rtl-optimization/87761
5985         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5986         detect obviously dead insns and delete them.
5987
5988 2019-02-26  Richard Biener  <rguenther@suse.de>
5989
5990         PR tree-optimization/89505
5991         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5992         to handle restrict pointed-to vars with multiple subvars
5993         correctly.
5994
5995 2019-02-26  Richard Biener  <rguenther@suse.de>
5996
5997         PR tree-optimization/89489
5998         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5999
6000 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
6001
6002         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
6003         and move around comment.
6004         <BIT_AND_EXPR>: Likewise.
6005         <BIT_NOT_EXPR>: Add specific handling for boolean types.
6006
6007 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
6008
6009         PR target/89474
6010         * config/i386/i386.c (remove_partial_avx_dependency): Call
6011         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
6012         after changing possibly many instructions to use that pseudo.  Fix up
6013         insertion of v4sf_const0 setter at the start of bb.
6014
6015 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6016
6017         PR c/80409
6018         * doc/extend.texi (Variadic Pointer Args): New section.
6019
6020 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
6021             Martin Sebor  <msebor@gmail.com>
6022
6023         * common.opt (Wattribute-alias): Likewise.
6024         * doc/invoke.texi (Option Summary): List general form of
6025         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
6026         (-Wmissing-attributes): Invert entry, rewrite and correct default.
6027         Add cross-references.
6028         (-Wattribute-alias): Rewrite and correct default.  Mention
6029         considered attributes (same as for -Wmissing-attributes).
6030
6031 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
6032
6033         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
6034         (_mm_cvtpd_ps): Likewise.
6035         (_mm_cvttpd_epi32): Likewise.
6036
6037         PR target/89338
6038         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
6039         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
6040
6041         PR target/89339
6042         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
6043
6044 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6045
6046         PR target/88530
6047         * common/config/aarch64/aarch64-common.c
6048         (struct aarch64_option_extension): Add is_synthetic.
6049         (all_extensions): Use it.
6050         (TARGET_OPTION_INIT_STRUCT): Define hook.
6051         (struct gcc_targetm_common): Moved to end.
6052         (all_extensions_by_on): New.
6053         (opt_ext_cmp, typedef opt_ext): New.
6054         (aarch64_option_init_struct): New.
6055         (aarch64_contains_opt): New.
6056         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
6057         * config/aarch64/aarch64-option-extensions.def
6058         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
6059         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
6060         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
6061         Set is_synthetic to false.
6062         (crypto): Set is_synthetic to true.
6063         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
6064         SYNTHETIC.
6065
6066 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6067
6068         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6069         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
6070         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6071         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
6072         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
6073         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
6074         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
6075         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
6076         Rename ...
6077         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
6078         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6079         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
6080         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
6081         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
6082         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
6083         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
6084         vfmlsl_laneq_high_f16): ... To this.
6085         * config/arm/neon.md: Update comments.
6086
6087 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
6088
6089         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
6090         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
6091         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
6092         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
6093         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
6094         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
6095         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
6096         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
6097         Rename ...
6098         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
6099         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
6100         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
6101         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
6102         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
6103         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
6104         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
6105         vfmlslq_laneq_high_f16): ... To this.
6106
6107 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
6108
6109         PR rtl-optimization/86096
6110         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
6111         comparing mw_order values.
6112
6113 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
6114
6115         PR target/89434
6116         * config/arm/arm.md (*subsi3_carryin_const): Use
6117         arm_neg_immediate_operand predicate instead of
6118         arm_not_immediate_operand, "L" constraint instead of "K" and
6119         print it using %n2 instead of %B2.
6120         (*subsi3_carryin_const0): New define_insn.
6121         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
6122         instead of arm_not_operand and "I" constraint instead of "K" and
6123         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
6124         another match_operand and in the condition check that it is negation
6125         of operands[2].
6126         (*subsi3_carryin_compare_const0): New define_ins.
6127         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
6128         *subsi3_carryin_const.
6129         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
6130         split into *subsi3_carryin_compare_const0 if the highpart is zero.
6131
6132         PR target/89438
6133         * config/arm.vfp.md (*negdf2_vfp): Use
6134         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
6135         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
6136
6137 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
6138
6139         PR rtl-optimization/89445
6140         * simplify-rtx.c (simplify_ternary_operation): Don't use
6141         simplify_merge_mask on operands that may trap.
6142         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
6143         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
6144         second operand is CONST_VECTOR, check if any element could be zero.
6145         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
6146         their operands can trap.
6147
6148 2019-02-23  Martin Sebor  <msebor@redhat.com>
6149
6150         * gimple-ssa-sprintf.c (target_strtol): Rename...
6151         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
6152         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
6153         check for range error.
6154
6155 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6156
6157         PR driver/69471
6158         * opts-common.c (prune_options): Also prune joined switches
6159         with Negative and RejectNegative.
6160         * config/i386/i386.opt (march=): Add Negative(march=).
6161         (mtune=): Add Negative(mtune=).
6162         * doc/options.texi: Document Negative used together with Joined
6163         and RejectNegative.
6164
6165 2019-02-22  Martin Sebor  <msebor@redhat.com>
6166
6167         * doc/extend.texi (Other Builtins): Add
6168         __builtin_is_constant_evaluated.
6169
6170 2019-02-22  Richard Biener  <rguenther@suse.de>
6171
6172         PR tree-optimization/87609
6173         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
6174
6175 2019-02-22  Jeff Law  <law@redhat.com>
6176
6177         PR rtl-optimization/87761
6178         * config/mips/mips.md: Add new combiner pattern to recognize
6179         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
6180
6181 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
6182
6183         PR target/89324
6184         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
6185         destination register in peepholes generating patterns for ADDS/SUBS.
6186         (add<mode>3_compare0,
6187         *addsi3_compare0_uxtw, add<mode>3_compareC,
6188         add<mode>3_compareV_imm, add<mode>3_compareV,
6189         *adds_<optab><ALLX:mode>_<GPI:mode>,
6190         *subs_<optab><ALLX:mode>_<GPI:mode>,
6191         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
6192         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
6193         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
6194         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
6195         sub<mode>3_compare1): Allow stack pointer for source register.
6196         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
6197
6198 2019-02-22  Martin Sebor  <msebor@redhat.com>
6199
6200         PR tree-optimization/88993
6201         PR tree-optimization/88853
6202         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
6203         New helper.
6204         (sprintf_dom_walker::call_info::is_string_func): New helper.
6205         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
6206         for formatted string functions.
6207         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
6208
6209 2019-02-22  Martin Sebor  <msebor@redhat.com>
6210
6211         PR c/89425
6212         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
6213         unreachable subexpressions.
6214
6215 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
6216             Hongtao Liu  <hongtao.liu@intel.com>
6217             Sunil K Pandey  <sunil.k.pandey@intel.com>
6218
6219         PR target/87007
6220         * config/i386/i386-passes.def: Add
6221         pass_remove_partial_avx_dependency.
6222         * config/i386/i386-protos.h
6223         (make_pass_remove_partial_avx_dependency): New.
6224         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
6225         New function.
6226         (pass_data_remove_partial_avx_dependency): New.
6227         (pass_remove_partial_avx_dependency): Likewise.
6228         (make_pass_remove_partial_avx_dependency): Likewise.
6229         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
6230         (*extendsfdf2): Add avx_partial_xmm_update.
6231         (truncdfsf2): Likewise.
6232         (*float<SWI48:mode><MODEF:mode>2): Likewise.
6233         (SF/DF conversion splitters): Disabled for TARGET_AVX.
6234
6235 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
6236
6237         PR middle-end/85598
6238         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
6239         analysis for pass.
6240
6241 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
6242
6243         PR target/89444
6244         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
6245         (PTA_SKYLAKE): Add PTA_AES.
6246         (PTA_GOLDMONT): Likewise.
6247
6248 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
6249
6250         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
6251         instruction if enabled.
6252         (aarch64_override_options): Remove reference to return address key.
6253
6254 2019-02-22  Richard Biener  <rguenther@suse.de>
6255
6256         PR tree-optimization/89440
6257         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
6258         not necessary assert.
6259
6260 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
6261
6262         PR fortran/72741
6263         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
6264         (oacc_replace_fn_attrib_attr): ... this new function.
6265         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6266         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6267
6268 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6269
6270         * config/arm/arm-cpus.in (ares): Rename to...
6271         (neoverse-n1): ... This.  Add ares as alias.
6272         * config/arm/arm-tables.opt: Regenerate.
6273         * config/arm/arm-tune.md: Likewise.
6274         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6275
6276 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6277
6278         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6279         * config/aarch64/aarch64-tune.md: Regenerate.
6280         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6281
6282 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6283
6284         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6285         (neoversen1_tunings): ... This.
6286         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6287         (neoverse-n1): New CPU.
6288         * config/aarch64/aarch64-tune.md: Regenerate.
6289         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6290
6291 2019-02-22  Richard Biener  <rguenther@suse.de>
6292
6293         PR middle-end/87609
6294         * cfghooks.h (dependence_hash): New typedef.
6295         (struct copy_bb_data): New type.
6296         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6297         (duplicate_block): Likewise.
6298         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6299         (copy_bbs): Create and pass down copy_bb_data.
6300         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6301         (rtl_duplicate_bb): Likewise.
6302         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6303         remap dependence info.
6304
6305 2019-02-22  Richard Biener  <rguenther@suse.de>
6306
6307         PR tree-optimization/87609
6308         * tree-core.h (tree_base): Document special clique values.
6309         * tree-inline.c (remap_dependence_clique): Do not use the
6310         special clique value of one.
6311         (maybe_set_dependence_info): Use clique one.
6312         (clear_dependence_clique): New callback.
6313         (compute_dependence_clique): Clear clique one from all refs
6314         before assigning it (again).
6315
6316 2019-02-21  Martin Sebor  <msebor@redhat.com>
6317
6318         * doc/extend.texi (__clear_cache): Correct signature.
6319
6320 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6321
6322         PR go/89170
6323         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6324         than output_constant_def.
6325         (add_constant_to_table): New static function.
6326         (output_constant_def): Call add_constant_to_table.
6327         (tree_output_constant_def): Likewise.
6328
6329 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6330
6331         PR c++/89285
6332         * builtins.c (fold_builtin_arith_overflow): If first two args are
6333         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6334         to ifn.
6335
6336 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6337
6338         PR target/87412
6339         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6340         error for -mindirect-branch/-mfunction-return with incompatible
6341         -fcf-protection.
6342
6343 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6344
6345         PR bootstrap/88714
6346         * constraints.md (q): Remove.
6347         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6348         instead of q.
6349
6350 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6351
6352         PR hsa/89302
6353         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6354         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6355         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6356         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6357         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6358         proper values to new parameters of omp_adjust_for_condition.
6359
6360 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6361
6362         PR middle-end/89412
6363         * expr.c (expand_assignment): If result is a MEM, use change_address
6364         instead of simplify_gen_subreg.
6365
6366 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6367             David Malcolm  <dmalcolm@redhat.com>
6368
6369         PR middle-end/89091
6370         * fold-const.c (decode_field_reference): Return NULL_TREE if
6371         lang_hooks.types.type_for_size returns NULL.  Check it before
6372         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6373
6374 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6375
6376         PR middle-end/88074
6377         PR middle-end/89415
6378         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6379         buggy mpc_norm.
6380
6381 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6382
6383         PR target/89397
6384         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6385         TARGET_SSE in addition to TARGET_SSE_MATH.
6386
6387         (ix86_excess_precision): Ditto.
6388         (ix86_float_exceptions_rounding_supported_p): Ditto.
6389         (use_rsqrt_p): Ditto.
6390         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6391
6392 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6393
6394         PR c/89410
6395         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6396         linenum_arith_t when determining if two adjacent line spans are
6397         close enough to merge.
6398         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6399         lines within each line_span.
6400
6401 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6402
6403         PR target/86487
6404         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6405         paradoxical SUBREGS.
6406
6407 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6408
6409         PR target/88100
6410         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6411         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6412         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6413         range checking it.
6414
6415 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6416
6417         * config/gcn/gcn.c (print_operand): Fix typo.
6418
6419 2019-02-19  Richard Biener  <rguenther@suse.de>
6420
6421         PR middle-end/88074
6422         * toplev.c (do_compile): Initialize mpfr's exponent range
6423         based on available float modes.
6424
6425 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6426
6427         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6428         as long as the epilogue isn't completed.
6429
6430 2019-02-18  Martin Sebor  <msebor@redhat.com>
6431
6432         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6433         __has_cpp_attribute, and __has_include.
6434
6435 2019-02-18  Martin Sebor  <msebor@redhat.com>
6436
6437         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6438
6439 2019-02-18  Martin Sebor  <msebor@redhat.com>
6440
6441         PR middle-end/89294
6442         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6443         expression.
6444         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6445
6446 2019-02-18  Richard Biener  <rguenther@suse.de>
6447
6448         PR tree-optimization/89296
6449         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6450         of no-warning flag to cases that might emit the bogus warning.
6451
6452 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6453
6454         PR bootstrap/88714
6455         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6456         "q" constraint.
6457         * config/arm/vfp.md (*movdi_vfp): Likewise.
6458         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6459         "q" constraint for operands[0].
6460
6461         PR target/89369
6462         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6463         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6464         pattern in a temporary buffer.
6465         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6466         than 64-operands[2].
6467
6468         PR target/89361
6469         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6470         s390_indirect_branch_settings): Define unconditionally.
6471         (s390_set_current_function): Likewise, but guard the whole body except
6472         the s390_indirect_branch_settings call with
6473         #if S390_USE_TARGET_ATTRIBUTE.
6474         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6475
6476         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6477         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6478         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6479         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6480         HOST_WIDE_INT_1U instead of 1ULL.
6481         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6482         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6483         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6484         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6485         instead of 1UL.
6486         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6487         instead of 1ul.
6488
6489 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6490
6491         PR tree-optimization/89209
6492         * tree-sra.c (create_access_replacement): New optional parameter
6493         reg_tree.  Use it as a type if non-NULL and access type is not of
6494         a register type.
6495         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6496         to create_access_replacement.
6497         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6498         Check lacc is non-NULL before attempting to re-create it on the RHS.
6499
6500 2019-02-18  Martin Liska  <mliska@suse.cz>
6501
6502         PR ipa/89306
6503         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6504         by default.
6505         (symbol_table::free_edge): Recycle m_summary_id.
6506         * cgraph.h (get_summary_id): New.
6507         (symbol_table::release_symbol): Set m_summary_id to -1
6508         by default.
6509         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6510         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6511         function_summary to fast_function_summary.
6512         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6513         * ipa-pure-const.c (class funct_state_summary_t):
6514         Switch from function_summary to fast_function_summary.
6515         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6516         (class ipa_ref_opt_summary_t): Switch from function_summary
6517         to fast_function_summary.
6518         * symbol-summary.h (class function_summary_base): New class
6519         that is created from base of former function_summary.
6520         (function_summary_base::unregister_hooks): New.
6521         (class function_summary): Inherit from function_summary_base.
6522         (class call_summary_base): New class
6523         that is created from base of former call_summary.
6524         (class call_summary): Inherit from call_summary_base.
6525         (struct is_same): New.
6526         (class fast_function_summary): New summary class.
6527         (class fast_call_summary): New summary class.
6528         * vec.h (vec_safe_grow_cleared): New function.
6529
6530 2019-02-18  Martin Liska  <mliska@suse.cz>
6531
6532         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6533         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6534         * doc/tm.texi: Document new target hook.
6535         * doc/tm.texi.in: Likewise.
6536         * target.def: Add new target macro.
6537         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6538         suffixes.
6539
6540 2019-02-17  Alan Modra  <amodra@gmail.com>
6541
6542         PR target/89271
6543         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6544         output reg on add insn.
6545         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6546
6547 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6548
6549         PR target/89372
6550         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6551         (PMULHRSW): Likewise.
6552         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6553         TARGET_AVX2.
6554         (ssse3_pmulhrswv4hi3): New expander.
6555
6556 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6557
6558         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6559         MMX.  Add isa attribute.
6560
6561 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6562
6563         PR rtl-optimization/66152
6564         * builtins.h (c_readstr): Declare.
6565         * builtins.c (c_readstr): Remove forward declaration.  Add
6566         null_terminated_p argument, if false, read all bytes from the
6567         string instead of stopping after '\0'.
6568         * expr.c (string_cst_read_str): New function.
6569         (store_expr): Use string_cst_read_str instead of
6570         builtin_strncpy_read_str.  Try to store by pieces the whole
6571         exp_len first, and only if that fails, split it up into
6572         store by pieces followed by clear_storage.  Formatting fix.
6573
6574         * config/i386/i386.md (*movqi_internal): Remove static from
6575         buf variable.  Use output_asm_insn (buf, operands); return "";
6576         instead of return buf;.
6577         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6578         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6579         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6580
6581 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6582
6583         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6584         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6585         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6586         (CC1_SPEC): Likewise.
6587         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6588
6589 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6590
6591         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6592         the base address on 64-bit strict-alignment platforms.
6593
6594 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6595
6596         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6597
6598 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6599
6600         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6601
6602 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6603
6604         PR rtl-optimization/88308
6605         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6606         on copied instruction.
6607
6608 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6609
6610         * final.c (insn_current_reference_address): Replace test on JUMP_P
6611         with test on jump_to_label_p.
6612         * config/visium/visium-passes.def: New file.
6613         * config/visium/t-visium (PASSES_EXTRA): Define.
6614         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6615         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6616         (TRAMPOLINE_ALIGNMENT): Define.
6617         * config/visium/visium.c (visium_option_override): Do not register
6618         the machine-specific reorg pass here.
6619         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6620         for the GR6.
6621         (output_branch): Adjust threshold for long branch instruction.
6622         * config/visium/visium.md (cpu): Move around.
6623         (length): Adjust for the GR6.
6624
6625 2019-02-15  Richard Biener  <rguenther@suse.de>
6626             Jakub Jelinek  <jakub@redhat.com>
6627
6628         PR tree-optimization/89278
6629         * tree-loop-distribution.c: Include tree-eh.h.
6630         (generate_memset_builtin, generate_memcpy_builtin): Call
6631         rewrite_to_non_trapping_overflow on builtin->size before passing it
6632         to force_gimple_operand_gsi.
6633
6634 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6635
6636         PR other/89342
6637         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6638         optimize_debug.
6639         * opth-gen.awk: Likewise.
6640
6641 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6642
6643         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6644         Enable MMX, SSE and SSE2 by default.
6645         * config/i386/i386.c (ix86_option_override_internal): Do not
6646         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6647
6648 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6649
6650         PR rtl-optimization/89354
6651         * combine.c (make_extraction): Punt if extraction_mode is narrower
6652         than len bits.
6653
6654 2019-02-14  Maya Rashish  <coypu@sdf.org>
6655
6656         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6657         * config/netbsd-d.c: New file.
6658         * config/t-netbsd: Add netbsd-d.o
6659
6660 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6661
6662         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6663         affects_type_identity to true for aarch64_vector_pcs.
6664         (aarch64_comp_type_attributes): New function.
6665         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6666
6667 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6668
6669         PR target/88850
6670         * config/arm/iterators.md (ANY64): Add V4HF.
6671
6672 2019-02-14  Martin Liska  <mliska@suse.cz>
6673
6674         PR rtl-optimization/89242
6675         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6676         process a transformation.
6677
6678 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6679
6680         PR tree-optimization/89314
6681         * fold-const.c (fold_binary_loc): Cast strlen argument to
6682         const char * before dereferencing it.  Formatting fixes.
6683
6684         PR middle-end/89284
6685         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6686
6687 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6688
6689         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6690         and set current index for other optimizations.
6691
6692 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6693
6694         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6695         nonimmediate_operand as operand 2 predicate.
6696         (vec_set<VF2_512_256:mode>_0): Ditto.
6697         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6698         (*vec_concatv2si): Remove alternative 2.
6699         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6700         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6701         (vec_concatv2di): Split alternatives 4,5,6 to ...
6702         (*vec_concatv2di_0) ... new pattern.
6703
6704 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6705
6706         PR target/89190
6707         * config/arm/arm.c (ldm_stm_operation_p) Set
6708         addr_reg_in_reglist correctly for first register.
6709         (load_multiple_sequence): Remove dead base check.
6710         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6711
6712 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6713
6714         PR target/88847
6715         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6716         Expose as @aarch64_pred_mov.
6717         * config/aarch64/aarch64.c (aarch64_classify_address):
6718         Use expand_insn which legitimizes operands.
6719
6720 2019-02-13  Martin Liska  <mliska@suse.cz>
6721
6722         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6723         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6724         and pointer_offset fields.
6725         (initialize_argument_information): Remove usage of dead
6726         fields.
6727         * cgraph.h (struct cgraph_thunk_info): Remove
6728         add_pointer_bounds_args.
6729         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6730         fields.
6731         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6732         fields.
6733         * config/i386/i386.c (ix86_function_arg_advance): Remove
6734         unrelated comment.
6735         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6736         (def_builtin):  Remove usage of dead
6737         fields.
6738         (ix86_add_new_builtins): Likewise.
6739         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6740         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6741         (sem_function::init): Likewise.
6742         (sem_variable::merge): Likewise.
6743         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6744         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6745         * lto-cgraph.c (lto_output_node): Likewise.
6746         (lto_output_varpool_node): Likewise.
6747         (input_node): Likewise.
6748         (input_varpool_node): Likewise.
6749         * lto-streamer-out.c (lto_output): Likewise.
6750         * tree-inline.c (expand_call_inline): Remove usage of
6751         assign_stmts.
6752         * tree-inline.h (struct copy_body_data): Likewise.
6753         * varpool.c (varpool_node::dump): Likewise.
6754
6755 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6756
6757         PR middle-end/89303
6758         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6759         into pt->vars_contains_escaped_heap instead of setting
6760         pt->vars_contains_escaped_heap to it.
6761
6762         PR middle-end/89281
6763         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6764         INTVAL (size), compare it to GET_MODE_MASK instead of
6765         1 << GET_MODE_BITSIZE.
6766
6767         PR target/89290
6768         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6769         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6770         -mcmodel=large.
6771
6772 2019-02-13  Martin Liska  <mliska@suse.cz>
6773
6774         PR lto/88858
6775         * cfgrtl.c (remove_barriers_from_footer): New function.
6776         (try_redirect_by_replacing_jump): Use it.
6777         (cfg_layout_redirect_edge_and_branch): Likewise.
6778
6779 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6780
6781         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6782         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6783         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6784         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6785         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6786         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6787         New BU_CRYPTO_2.
6788         * config/rs6000/rs6000.c (builtin_function_type)
6789         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6790         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6791         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6792         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6793         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6794
6795 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6796
6797         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6798         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6799
6800 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6801
6802         PR target/89229
6803         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6804         268678 and revision 268657.
6805         (*movti_internal): Likewise.
6806
6807 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6808
6809         PR target/89233
6810         * config/s390/s390.c (s390_decompose_address): Update comment.
6811         (s390_check_qrst_address): Reject invalid address forms after
6812         LRA.
6813
6814 2019-02-12  Martin Liska  <mliska@suse.cz>
6815
6816         PR lto/88876
6817         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6818         we need default values of funct_state for a function that
6819         is not optimized.
6820
6821 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6822
6823         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6824         the object to pick the size of stores on strict-alignment platforms.
6825
6826         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6827         (*movdi_insn_sp32): Likewise.
6828         (*movdi_insn_sp64): Likewise.
6829
6830 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6831
6832         PR lto/88677
6833         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6834         types that needs constructiong.
6835         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6836
6837 2019-02-12  Richard Biener  <rguenther@suse.de>
6838
6839         PR tree-optimization/89253
6840         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6841         duplicate the loop.
6842
6843 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6844
6845         PR lto/88147
6846         * input.c (selftest::test_line_offset_overflow): New selftest.
6847         (selftest::input_c_tests): Call it.
6848
6849 2019-02-11  Martin Sebor  <msebor@redhat.com>
6850
6851         PR tree-optimization/88771
6852         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6853         when -Wstringop-overflow is set.
6854         (builtin_memref::builtin_memref): Adjust excessive upper bound
6855         only when lower bound is not excessive.
6856         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6857         -Wstringop-ovefflow.
6858         (maybe_diag_offset_bounds): Rename...
6859         (maybe_diag_access_bounds): ...to this.
6860         (check_bounds_or_overlap): Adjust for name change above.
6861
6862 2019-02-11  Martin Sebor  <msebor@redhat.com>
6863
6864         PR c++/87996
6865         * builtins.c (max_object_size): Move from here...
6866         * builtins.h (max_object_size): ...and here...
6867         * tree.c (max_object_size): ...to here...
6868         * tree.h (max_object_size): ...and here.
6869
6870 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6871
6872         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6873         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6874         for correct semantics.
6875
6876 2019-02-11  Alan Modra  <amodra@gmail.com>
6877
6878         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6879         -mlongcall and -mpltseq.
6880         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6881         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6882         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6883         * config/rs6000/sysv4.opt (mpltseq): New option.
6884         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6885         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6886         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6887         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6888         -mpltseq given for ELFv1.
6889         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6890         Only use UNSPEC_PLTSEQ for inline PLT calls.
6891         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6892         use UNSPEC_PLTSEQ for inline PLT calls.
6893         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6894         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6895         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6896         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6897         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6898         (pltseq_mtctr_<mode>): Likewise.
6899
6900 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6901
6902         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6903         Solaris ld.
6904         * configure: Regenerate.
6905
6906 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6907
6908         PR bootstrap/88714
6909         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6910         instead of r.
6911
6912 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6913
6914         * function.c (assign_parm_setup_block): Use the stored
6915         size, not the passed size, when allocating stack-space,
6916         also for a parameter with alignment larger than
6917         MAX_SUPPORTED_STACK_ALIGNMENT.
6918
6919 2019-02-11  Martin Liska  <mliska@suse.cz>
6920
6921         PR ipa/89009
6922         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6923         * ipa-inline.c (inline_small_functions): Likewise.
6924         * ipa-pure-const.c (propagate_pure_const): Likewise.
6925         (propagate_nothrow): Likewise.
6926         * ipa-reference.c (propagate): Likewise.
6927         * ipa-utils.c (struct searchc_env): Remove unused field.
6928         (searchc): Always search across AVAIL_INTERPOSABLE.
6929         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6930         the only called IPA pure const can properly not propagate
6931         across interposable boundary.
6932         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6933
6934 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6935
6936         * config/nds32/nds32.md (call_internal, call_value_internal,
6937         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6938
6939 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6940
6941         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6942         typo.
6943
6944 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6945
6946         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6947         in comments
6948
6949 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6950
6951         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6952
6953 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6954
6955         PR tree-optimization/89268
6956         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6957         if preds is non-NULL.
6958
6959 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6960
6961         PR lto/89272
6962         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6963         polymorphic types.
6964
6965 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6966
6967         * config/nds32/nds32.md (trap): New pattern.
6968
6969 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6970
6971         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6972         dwarf span.
6973
6974 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6975
6976         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6977         to split POST_INC.
6978
6979 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6980
6981         * ipa-visibility.c (localize_node): Also do not localize
6982         LDPR_PREVAILING_DEF_IRONLY_EXP.
6983
6984 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6985
6986         PR lto/87957
6987         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6988         instead of type_with_linkage.
6989
6990 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6991
6992         PR ipa/88755
6993         * params.def (uninlined-function-insns, uninlined-function-time,
6994         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6995         bound so we don't get overflows.
6996
6997 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6998
6999         * config/rs6000/rs6000-string.c (expand_compare_loop,
7000         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
7001         memcmp/strncmp.
7002
7003 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
7004
7005         PR middle-end/89246
7006         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7007         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
7008         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
7009
7010 2019-02-09  Alan Modra  <amodra@gmail.com>
7011
7012         PR target/88343
7013         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
7014         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
7015         setup.
7016
7017 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
7018
7019         PR middle-end/88560
7020         * lra-constraints.c (process_alt_operands): Don't increase reject
7021         for memory when offset memory is required.
7022
7023 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
7024
7025         * config/s390/vector.md: Implement vector copysign.
7026
7027 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7028
7029         * expr.c (expand_constructor): Correct indentations.
7030
7031 2019-02-08  Richard Biener  <rguenther@suse.de>
7032
7033         PR tree-optimization/89247
7034         * tree-if-conv.c: Include tree-cfgcleanup.h.
7035         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
7036         (tree_if_conversion): Pass through predicate vector.
7037         (pass_if_conversion::execute): Do CFG cleanup and SSA update
7038         inline, see if any if-converted loops we refrece in
7039         LOOP_VECTORIZED calls vanished and fixup.
7040         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
7041
7042 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
7043
7044         * config/s390/constraints.md (jdd): New constraint.
7045
7046 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
7047
7048         PR target/89229
7049         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
7050         upper 16 vector registers without TARGET_AVX512VL.
7051         (*movti_internal): Likewise.
7052
7053 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7054
7055         PR rtl-optimization/89234
7056         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
7057         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
7058         (copy_reg_eh_region_note_backward): Likewise.
7059
7060 2019-02-08  Richard Biener  <rguenther@suse.de>
7061
7062         PR middle-end/89223
7063         * tree-data-ref.c (initialize_matrix_A): Fail if constant
7064         doesn't fit in HWI.
7065         (analyze_subscript_affine_affine): Handle failure from
7066         initialize_matrix_A.
7067
7068 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
7069
7070         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
7071         cfun everywhere.
7072
7073 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
7074
7075         PR tree-optimization/86637
7076         PR tree-optimization/89235
7077         * tree-vect-loop.c (optimize_mask_stores): Add an
7078         auto_purge_vect_location sentinel to ensure that vect_location is
7079         purged on exit.
7080         * tree-vectorizer.c
7081         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
7082         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
7083         to ensure that vect_location is purged on exit.
7084         (pass_slp_vectorize::execute): Likewise, replacing the manual
7085         reset.
7086         * tree-vectorizer.h (class auto_purge_vect_location): New class.
7087
7088 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7089
7090         * config/aarch64/iterators.md (max_opp): New code_attr.
7091         (USMAX): New code iterator.
7092         * config/aarch64/predicates.md (aarch64_smin): New predicate.
7093         (aarch64_smax): Likewise.
7094         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
7095         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
7096         MINUS (MAX MIN).
7097
7098 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
7099
7100         PR target/89229
7101         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
7102         for TARGET_AVX512VL.
7103         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
7104
7105 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
7106
7107         * config/s390/s390-builtin-types.def: Add new types.
7108         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
7109         (s390_vec_xlw4): Make the memory operand into a const pointer.
7110         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
7111         float.
7112         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
7113         a new vector type with the alignment of the scalar memory operand.
7114
7115 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
7116             Jakub Jelinek  <jakub@redhat.com>
7117
7118         PR bootstrap/88714
7119         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
7120         arm_count_ldrdstrd_insns): New declarations.
7121         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
7122         MINUS.
7123         (valid_operands_ldrd_strd): New function.
7124         (arm_count_ldrdstrd_insns): New function.
7125         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
7126         sets instead of single DImode set and define new insns to match this.
7127
7128 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7129
7130         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
7131         Make it a C initializer.
7132
7133 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
7134
7135         PR/target 88850
7136         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
7137
7138 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7139
7140         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
7141         Use neon_dot<q> for type.
7142         (neon_<sup>dot_lane<vsi2qi>): Likewise.
7143
7144 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7145
7146         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
7147         Use neon_dot<q> for type.
7148         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
7149         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
7150
7151 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
7152
7153         PR rtl-optimization/89225
7154         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
7155         sizes check.
7156
7157 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
7158
7159         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
7160         after restoring registers saved to allocate the frame on Windows.
7161
7162 2019-02-06  Richard Biener  <rguenther@suse.de>
7163
7164         PR tree-optimization/89182
7165         * graphite.h (cached_scalar_evolution_in_region): Declare.
7166         * graphite.c (struct seir_cache_key): New.
7167         (struct sese_scev_hash): Likewise.
7168         (seir_cache): New global.
7169         (cached_scalar_evolution_in_region): New function.
7170         (graphite_transform_loops): Allocate and release seir_cache.
7171         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
7172         cached_scalar_evolution_in_region.
7173         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7174         Simplify.
7175         (scop_detection::graphite_can_represent_expr: Use
7176         cached_scalar_evolution_in_region.
7177         (scop_detection::stmt_simple_for_scop_p): Likewise.
7178         (find_params_in_bb): Likewise.
7179         (gather_bbs::before_dom_children): Likewise.
7180         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
7181         (add_loop_constraints): Likewise.
7182
7183 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
7184
7185         PR middle-end/89210
7186         * fold-const-call.c (fold_const_vec_convert): Pass true as last
7187         operand to new_unary_operation only if both element types are integral
7188         and it isn't a widening conversion.  Return NULL_TREE if
7189         new_unary_operation failed.
7190
7191 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
7192
7193         PR target/88856
7194         * config/s390/s390.md: Remove load and test FP splitter.
7195
7196 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7197
7198         PR target/89112
7199         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
7200         expand_compare_loop, expand_block_compare_gpr,
7201         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
7202         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
7203         #include "profile-count.h" and "predict.h" for types and functions
7204         needed to work with REG_BR_PROB notes.
7205
7206 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
7207
7208         PR target/89112
7209         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
7210         for the long branch case.
7211
7212 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7213
7214         PR target/89188
7215         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
7216         can throw, non-call exceptions are enabled and we can't delete
7217         dead exceptions or alter cfg.  Set must_clean if
7218         delete_insn_and_edges returns true, don't set it blindly for calls.
7219         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
7220
7221         PR rtl-optimization/89195
7222         * combine.c (make_extraction): For MEMs, don't extract bytes outside
7223         of the original MEM.
7224
7225 2019-02-05  Martin Liska  <mliska@suse.cz>
7226
7227         PR gcov-profile/89000
7228         * gcov.c (function_summary): Remove argument.
7229         (file_summary): New function.
7230         (print_usage): Replace tabs with spaces.
7231         (generate_results): Use new function file_summary.
7232
7233 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
7234
7235         PR target/89186
7236         * optabs.c (prepare_cmp_insn): Pass x and y to
7237         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
7238
7239 2019-02-05  Richard Biener  <rguenther@suse.de>
7240
7241         PR middle-end/89150
7242         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
7243         (struct bitmap_element): Drop chain_prev so we properly recurse on
7244         the prev member, supporting tree views.
7245         (struct bitmap_head): GTY skip the obstack member.
7246
7247 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
7248
7249         PR c/88698
7250         * doc/extend.texi (Vector Extensions): Add an example of using vector
7251         types together with x86 intrinsics.
7252
7253 2019-02-04  Alan Modra  <amodra@gmail.com>
7254
7255         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
7256         str[] size to 160, and comment.
7257
7258 2019-02-04  Alan Modra  <amodra@gmail.com>
7259
7260         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
7261         (rs6000_pltseq_template): Guard output of TLS markers with
7262         TARGET_TLS_MARKERS.
7263         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
7264         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7265         to use inline PLT sequences.
7266         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7267         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7268         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7269
7270 2019-02-04  Martin Liska  <mliska@suse.cz>
7271
7272         PR ipa/88985
7273         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7274         out when ipa_fn_summaries does not contain entry for callee.
7275
7276 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7277
7278         * config/sparc/sparc.h: Remove superfluous blank lines.
7279         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7280         (got_register_rtx): ...this.
7281         (sparc_got): Adjust to above renaming.
7282         (sparc_tls_got): Likewise.
7283         (sparc_delegitimize_address): Likewise.
7284         (sparc_output_mi_thunk): Likewise.
7285         (sparc_init_pic_reg): Likewise.
7286         (save_local_or_in_reg_p): Fix test on the GOT register.
7287         (USE_HIDDEN_LINKONCE): Move around.
7288         (get_pc_thunk_name): Likewise.
7289         (gen_load_pcrel_sym): Likewise.
7290         (load_got_register): Likewise.
7291
7292 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7293
7294         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7295         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7296
7297 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7298
7299         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7300         into consideration.
7301
7302 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7303
7304         * config.gcc (with_nds32_lib, glibc):
7305         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7306         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7307         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7308
7309 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7310
7311         PR target/89071
7312         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7313         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7314         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7315         (*rcpsf2_sse): Ditto.
7316         (*rsqrtsf2_sse): Ditto.
7317         (sse4_1_round<mode<2): Ditto.
7318
7319 2019-02-03  Richard Biener  <rguenther@suse.de>
7320
7321         PR debug/87295
7322         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7323         orig.
7324
7325 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7326
7327         PR middle-end/87887
7328         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7329         Punt with warning on aggregate return or argument types.  Ignore
7330         type/mode checking for uniform arguments.
7331
7332 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7333
7334         * combine.c (try_combine): Do not print "Can't combine" messages unless
7335         printing failed combination attempts.
7336
7337 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7338
7339         PR hsa/87863
7340         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7341         segment and global segment variables before making them static.
7342
7343 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7344
7345         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7346         missed optimization dump with dump_enabled_p.
7347
7348 2019-02-01  Richard Biener  <rguenther@suse.de>
7349
7350         PR middle-end/88597
7351         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7352         the instantiate cache.
7353         (instantiate_scev_binary): Elide second operand procesing
7354         if equal to the first.
7355         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7356         (chrec_contains_undetermined): Likewise.
7357         (tree_contains_chrecs): Likewise.
7358
7359 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7360
7361         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7362
7363 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7364
7365         PR tree-optimization/89143
7366         * wide-int-range.h (wide_int_range_absu): Declare.
7367         * wide-int-range.cc (wide_int_range_absu): New function.
7368         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7369
7370         PR tree-optimization/88107
7371         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7372         instead of assertion that eh_region_outermost is non-NULL, if it
7373         is NULL, set *ALL to true and return NULL.
7374         (move_sese_region_to_fn): Adjust caller, if all is set, call
7375         duplicate_eh_regions with NULL region.
7376
7377 2019-02-01  Richard Biener  <rguenth@suse.de>
7378
7379         PR rtl-optimization/88593
7380         * mode-switching.c (optimize_mode_switching): Free dominators before
7381         calling cleanup_cfg.
7382
7383 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7384
7385         PR tree-optimization/88932
7386         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7387
7388 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7389
7390         PR middle-end/89137
7391         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7392         bogus clang warning.
7393
7394 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7395
7396         PR target/89071
7397         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7398         alternative to avoid partial SSE register stall for TARGET_AVX.
7399         (truncdfsf2): Ditto.
7400         (sse4_1_round<mode>2): Ditto.
7401
7402 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7403
7404         PR tree-optimization/89008
7405         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7406         process anything of the form X * 0.
7407
7408 2019-01-31  Richard Biener  <rguenther@suse.de>
7409
7410         PR tree-optimization/89135
7411         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7412         with abnormal preds.
7413
7414 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7415
7416         PR sanitizer/89124
7417         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7418         always_inline callees into no_sanitize_address callers.
7419
7420 2019-01-31  Richard Biener  <rguenther@suse.de>
7421
7422         PR rtl-optimization/89115
7423         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7424
7425 2019-01-30  Martin Sebor  <msebor@redhat.com>
7426
7427         PR other/89106
7428         * doc/extend.texi (cast to a union): Correct and expand.
7429
7430 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7431
7432         PR rtl-optimization/87246
7433         * lra-constraints.c (simplify_operand_subreg): Reload memory
7434         in subreg if the address became invalid.
7435
7436 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7437
7438         PR target/87064
7439         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7440         Disable for little-endian.
7441
7442 2019-01-30  Richard Biener  <rguenther@suse.de>
7443
7444         PR rtl-optimization/89115
7445         * opts.c (default_options_optimization): Reduce
7446         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7447         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7448         to the default.
7449
7450 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7451
7452         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7453         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7454         type of vector element when vec_extract is implemented by direct
7455         move.
7456
7457 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7458
7459         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7460
7461 2019-01-30  Richard Biener  <rguenther@suse.de>
7462
7463         PR tree-optimization/89111
7464         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7465         canonicalization to appropriately sized access types.
7466
7467 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7468
7469         PR c++/89105
7470         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7471         for arguments to functions that are TU-local and shouldn't be
7472         referenced by assembly.
7473
7474 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7475
7476         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7477         after '='.
7478
7479 2019-01-29  Martin Sebor  <msebor@redhat.com>
7480
7481         PR c/88956
7482         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7483
7484 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7485
7486         PR c++/66676
7487         PR ipa/89104
7488         * omp-simd-clone.c (simd_clone_clauses_extract)
7489         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7490         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7491
7492 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7493
7494         * config.gcc: Force .init_array for ARC.
7495
7496 2019-01-29  Richard Biener  <rguenther@suse.de>
7497
7498         PR debug/87295
7499         * dwarf2out.c (collect_skeleton_dies): New helper.
7500         (copy_decls_for_unworthy_types): Call it.
7501         (build_abbrev_table): Assert we do not try to replace
7502         DW_AT_signature refs with local refs.
7503
7504 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7505
7506         PR middle-end/89002
7507         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7508         for lastprivate/linear IV, push gimplify context around gimplify_assign
7509         and, if it needed any temporaries, pop it into a gimple bind around the
7510         sequence.
7511
7512 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7513
7514         * common.opt (-Wattribute-alias): Remove "no-" from name.
7515         Make -Wattribute-alias command line option and
7516         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7517
7518 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7519
7520         PR target/89073
7521         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7522         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7523         x86 ISA options.
7524         (bmi2): Add missing @opindex.
7525         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7526         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7527         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7528         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7529         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7530         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7531         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7532         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7533         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7534         xsavec, xsaveopt and xsaves options.
7535
7536 2019-01-28  Richard Biener  <rguenther@suse.de>
7537
7538         PR debug/89076
7539         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7540         support removal.
7541
7542 2019-01-28  Richard Biener  <rguenther@suse.de>
7543
7544         PR tree-optimization/88739
7545         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7546         BIT_FIELD_REFs only are applied to mode-precision operands
7547         when they are integral.
7548         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7549         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7550         BIT_FIELD_REFs of non-mode-precision integral operands.
7551
7552 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7553
7554         PR target/87214
7555         * config/i386/sse.md
7556         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7557         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7558         first constants in pairs are multiples of 2.  Formatting fixes.
7559         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7560         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7561         first constants in each quadruple are multiples of 4.  Formatting fixes.
7562
7563 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7564
7565         PR ipa/88933
7566         * tree-inline.c: Include tree-cfgcleanup.h.
7567         (delete_unreachable_blocks_update_callgraph): Move...
7568         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7569         ...here, make externally visible, make second argument bool, adjust
7570         all callers.
7571         * tree-cfgcleanup.c: Include cgraph.h.
7572         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7573         Declare.
7574         * ipa-prop.c: Include tree-cfgcleanup.h.
7575         (ipcp_transform_function): Call
7576         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7577
7578 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7579
7580         PR rtl-optimization/88846
7581         * ira.c (process_set_for_memref_referenced_p): New.
7582         (memref_referenced_p): Add new param.  Use
7583         process_set_for_memref_referenced_p.  Add new switch cases.
7584         (memref_used_between_p): Pass new arg to memref_referenced_p.
7585
7586 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7587
7588         PR target/88469
7589         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7590         argument ABI_BREAK.  Set to true if the calculated alignment has
7591         changed in gcc-9.  Check bit-fields for their base type alignment.
7592         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7593         (aarch64_function_arg_boundary): Likewise.
7594         (aarch64_gimplify_va_arg_expr): Likewise.
7595
7596 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7597
7598         PR middle-end/89037
7599         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7600         instead of accessing TREE_INT_CST_ELT directly.
7601
7602 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7603
7604         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7605         fenv_exceptions description.
7606
7607 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7608
7609         PR rtl-optimization/87763
7610         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7611         Allow SUBREG when matching CC_NZmode compare.
7612
7613 2019-01-25  Richard Biener  <rguenther@suse.de>
7614
7615         PR tree-optimization/89049
7616         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7617         Look at the pattern stmt to determine if the stmt is vectorized.
7618
7619 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7620
7621         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7622         (pred_mov<mode>): Handle all-register forms using both a new
7623         alternative and a split.
7624
7625 2019-01-25  Richard Biener  <rguenther@suse.de>
7626
7627         PR tree-optimization/86865
7628         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7629         Reject non-do-while loops.
7630
7631 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7632
7633         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7634         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7635         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7636         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7637         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7638         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7639         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7640         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7641         vlogical_operand, gpc_reg_operand, int_reg_operand,
7642         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7643         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7644         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7645         (save_world_operation, restore_world_operation, lmw_operation,
7646         stmw_operation): Use MEM_P and REG_P.
7647         (tie_operand): Use MEM_P.
7648         (vrsave_operation, crsave_operation): Use REG_P.
7649         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7650         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7651         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7652         (call_operand): Use HARD_REGISTER_P.
7653         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7654         Use CONST_INT_P.
7655         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7656         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7657         quad_aligned_load_p, replace_swapped_aligned_store,
7658         recombine_lvx_pattern, replace_swapped_aligned_load,
7659         recombine_stvx_pattern): Use MEM_P.
7660         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7661         Use MEM_P and SYMBOL_REF_P.
7662         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7663         (insn_is_swappable_p): Use REG_P and MEM_P.
7664         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7665         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7666         Use CONST_INT_P.
7667         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7668         Use CONST_DOUBLE_P.
7669         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7670         CONST_WIDE_INT_P.
7671         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7672         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7673         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7674         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7675         reg_or_subregno:
7676         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7677         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7678         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7679         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7680         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7681         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7682         rs6000_split_logical_di): Use CONST_INT_P.
7683         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7684         REG_P and SYMBOL_REF_P.
7685         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7686         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7687         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7688         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7689         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7690         (small_data_operand, print_operand_address): Use CONST_INT_P and
7691         SYMBOL_REF_P.
7692         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7693         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7694         Use HARD_REGISTER_NUM_P.
7695         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7696         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7697         SUBREG_P and SYMBOL_REF_P.
7698         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7699         and HARD_REGISTER_NUM_P.
7700         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7701         reg_or_subregno.
7702         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7703         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7704         MEM_P and REG_P.
7705         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7706         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7707         find_addr_reg): Use REG_P.
7708         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7709         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7710         (offsettable_ok_by_alignment, constant_pool_expr_p,
7711         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7712         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7713         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7714         rs6000_assemble_integer, create_TOC_reference,
7715         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7716         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7717         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7718         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7719         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7720         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7721         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7722         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7723         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7724         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7725         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7726         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7727         and cbranch<mode>4): Use CONST_INT_P.
7728         (multiple define_splits): Use REG_P and SUBREG_P.
7729         (define_expands call, call_value): Use MEM_P.
7730         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7731         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7732         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7733         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7734         and HARD_REGISTER_NUM_P.
7735         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7736
7737 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7738
7739         PR rtl-optimization/88948
7740         * rtl.h (prepare_copy_insn): New prototype.
7741         * gcse.c (prepare_copy_insn): New function, split out from
7742         process_insert_insn.
7743         (process_insert_insn): Use prepare_copy_insn.
7744         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7745         instead of gen_move_insn.
7746
7747 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7748
7749         PR debug/89006
7750         * config/i386/i386.c (ix86_pic_register_p): Return true for
7751         UNSPEC_SET_GOT too.
7752
7753         PR tree-optimization/88964
7754         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7755         punt if HONOR_SNANS (chrec).
7756
7757         PR middle-end/89015
7758         * tree-nested.c (convert_nonlocal_reference_stmt,
7759         convert_local_reference_stmt, convert_tramp_reference_stmt,
7760         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7761         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7762         or GIMPLE_OMP_TASK.
7763
7764         PR tree-optimization/89027
7765         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7766         for "omp simd array" variables.
7767
7768 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7769
7770         PR target/88469
7771         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7772         force the alignment of m_val.
7773
7774 2019-01-24  Richard Biener  <rguenther@suse.de>
7775
7776         PR lto/87187
7777         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7778         When in "legacy" debug mode make sure to reset self-origins.
7779
7780 2019-01-24  Martin Liska  <mliska@suse.cz>
7781
7782         PR gcov-profile/88994
7783         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7784         result will be always smaller or equal to the original.
7785         * gcov.c (mangle_name): Fix else branch where we should
7786         also copy to PTR and shift the pointer.
7787
7788 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7789
7790         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7791         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7792
7793 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
7794
7795         * common/config/i386/i386-common.c
7796         (OPTION_MASK_ISA_ENQCMD_SET,
7797         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
7798         (ix86_handle_option): Handle -menqcmd.
7799         * config.gcc (enqcmdintrin.h): New header file.
7800         * config/i386/cpuid.h (bit_ENQCMD): New bit.
7801         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
7802         -menqcmd.
7803         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
7804         function type.
7805         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
7806         __builtin_ia32_enqcmds): New builtins.
7807         * config/i386/i386-c.c (__ENQCMD__): New macro.
7808         * config/i386/i386-option.c (ix86_target_string): Add
7809         -menqcmd.
7810         (ix86_valid_target_attribute_inner_p): Likewise.
7811         * config/i386/i386-expand.c
7812         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
7813         IX86_BUILTIN_ENQCMDS.
7814         * config/i386/i386.h (TARGET_ENQCMD): New.
7815         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
7816         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
7817         (movdir64b_<mode>): Parameterize to enable share expansion code
7818         with ENQCMD in function ix86_expand_builtin.
7819         * config/i386/i386.opt: Add -menqcmd.
7820         * config/i386/immintrin.h: Include enqcmdintrin.h.
7821         * config/i386/enqcmdintrin.h: New intrinsic file.
7822         * doc/invoke.texi: Add -menqcmd.
7823
7824 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7825             Steve Ellcey <sellcey@marvell.com>
7826
7827         PR target/85711
7828         * recog.c (address_operand): Return false on wrong mode for address.
7829         (constrain_operands): Check for mode with 'p' constraint.
7830
7831 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7832
7833         PR target/88998
7834         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7835         Disparage MMX alternative.
7836         (sse2_cvtpd2pi): Ditto.
7837         (sse2_cvttpd2pi): Ditto.
7838
7839 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7840
7841         PR driver/89014
7842         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7843         use-after-free of the result of
7844         aarch64_get_extension_string_for_isa_flags.
7845
7846 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7847
7848         PR c/44715
7849         * doc/extend.texi: Document break and continue behavior in
7850         statement expressions.
7851
7852 2019-01-23  Richard Biener  <rguenther@suse.de>
7853
7854         PR tree-optimization/89008
7855         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7856         not leave another stray operand.
7857
7858 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7859
7860         * BASE-VER: Bump to 9.0.1.
7861
7862 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7863
7864         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7865         thunk that returns by reference, use the type of the return object
7866         of the thunk instead of that of the alias to build the dereference.
7867
7868 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7869
7870         * config/arc/atomic.md: Add operand to DMB instruction.
7871
7872 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7873
7874         PR tree-optimization/88964
7875         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7876         build_zero_cst instead of build_int_cst.  Return false for loop
7877         invariants which honor signed zeros.
7878
7879 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7880
7881         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7882
7883 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7884
7885         PR target/88965
7886         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7887         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7888         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7889
7890         PR middle-end/88968
7891         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7892         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7893
7894         PR target/87064
7895         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7896         Disable for little endian.
7897
7898 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7899
7900         PR target/88469
7901         * config/arm/arm.c (arm_needs_double_word_align): Check
7902         DECL_BIT_FIELD_TYPE.
7903
7904 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7905             H.J. Lu  <hongjiu.lu@intel.com>
7906
7907         PR target/88909
7908         * config/i386/i386-builtin.def: Add mask2 to all builtin
7909         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7910         SPECIAL_ARGS.
7911         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7912         (BDESC_FIRST): Likewise.
7913         (define_builtin): Add an argument for mask2.  Updated to handle
7914         both ix86_isa_flags and ix86_isa_flags2.
7915         (define_builtin_const): Likewise.
7916         (define_builtin_pure): Likewise.
7917         (define_builtin2): Deleted.
7918         (define_builtin_const2): Likewise.
7919         (builtin_description): Add a member, mask2.
7920         (bdesc_*): Add mask2 to builtin initializations.
7921         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7922         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7923         support.
7924         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7925
7926 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7927
7928         PR target/88954
7929         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7930         noplt attribute.
7931
7932 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7933
7934         PR target/88469
7935         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7936         alignment is dominated by a bitfield with 64-bit aligned base type.
7937         (arm_function_arg): Emit a warning if the alignment has changed since
7938         earlier GCC releases.
7939         (arm_function_arg_boundary): Likewise.
7940         (arm_setup_incoming_varargs): Likewise.
7941
7942 2019-01-22  Richard Biener  <rguenther@suse.de>
7943
7944         PR tree-optimization/88862
7945         * graphite-scop-detection.c
7946         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7947
7948 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7949
7950         * doc/extend.tex (AMD GCN Function Attributes): New section.
7951         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7952         * doc/invoke.texi (AMD GCN Options): New section.
7953         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7954
7955 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7956
7957         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7958         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7959
7960 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7961
7962         PR tree-optimization/88044
7963         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7964         is false in the first iteration, but !every_iteration, return false
7965         instead of true with niter->niter zero.
7966
7967         PR rtl-optimization/88904
7968         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7969         any nonequal registers before processing BB_END (b).
7970
7971         PR target/88905
7972         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7973         GET_MODE (op0).
7974         (expand_binop_directly, expand_doubleword_clz,
7975         expand_doubleword_popcount, expand_ctz, expand_ffs,
7976         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7977
7978         PR rtl-optimization/49429
7979         PR target/49454
7980         PR rtl-optimization/86334
7981         PR target/88906
7982         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7983         addressable from here...
7984         (emit_block_op_via_libcall): ... to here.
7985
7986 2019-01-22  Richard Biener  <rguenther@suse.de>
7987
7988         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7989         auto_vec for cost vector to fix memleak.
7990         (vectorize_fold_left_reduction): Properly gather SLP defs.
7991         (vectorizable_comparison): Do not swap operands to properly
7992         gather SLP defs.
7993
7994 2019-01-22  Alan Modra  <amodra@gmail.com>
7995
7996         PR target/88614
7997         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7998         stays a reg.  Allow a const_int.
7999         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
8000         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
8001         (IS_NOMARK_TLSGETADDR): Define.
8002         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
8003         (rs6000_output_tlsargs): New function.
8004         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
8005         __tls_get_addr call takes an arg.
8006         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
8007         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
8008         delete split..
8009         (call_value_nonlocal_sysv): ..or here, delete split.
8010         (tls_gdld_nomark): Delete.
8011         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
8012         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
8013         (call_value_nonlocal_sysv): Likewise.
8014         (call_value_nonlocal_sysv_secure): Likewise.
8015         (call_value_nonlocal_aix): Likewise.
8016         (call_value_indirect_aix): Likewise.
8017         (call_value_indirect_elfv2): Likewise.
8018         (call_value_local32, call_value_local64): Disable for no-mark tls.
8019         (call_value_local_aix): Likewise.
8020
8021 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
8022
8023         PR target/88938
8024         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
8025         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
8026
8027 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
8028
8029         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
8030         string contents as hash_map keys.
8031
8032 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8033
8034         PR c/88928
8035         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
8036         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
8037         instead of TYPE_ALIGN.
8038         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
8039         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
8040         pointer from TYPE_STUB_DECL.
8041
8042 2019-01-21  Richard Biener  <rguenther@suse.de>
8043
8044         PR tree-optimization/88934
8045         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
8046         at the possibly non-constant operand.
8047         (vect_get_constant_vectors): Adjust.
8048
8049 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
8050
8051         PR target/71659
8052         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
8053         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
8054         instead of _X86INTRIN_H_INCLUDED.
8055         * onfig/i386/clwbintrin.h: Likewise.
8056         * config/i386/pkuintrin.h: Likewise.
8057         * config/i386/prfchwintrin.h: Likewise.
8058         * config/i386/rdseedintrin.h: Likewise.
8059         * config/i386/wbnoinvdintrin.h: Likewise.
8060         * config/i386/xsavecintrin.h: Likewise.
8061         * config/i386/xsavesintrin.h: Likewise.
8062         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
8063         * config/i386/xsaveintrin.h: Likewise.
8064         * config/i386/xsaveoptintrin.h: Likewise.
8065         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
8066         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
8067         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
8068         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
8069         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
8070         * config/i386/immintrin.h: Here.
8071
8072 2019-01-20  Martin Jambor  <mjambor@suse.cz>
8073
8074         PR ipa/87615
8075         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
8076         with aa_walk_budget.
8077         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
8078         aa_walk_budget_p parameter.
8079         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
8080         walk.  Updated all callers.
8081         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
8082         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
8083         unmodified_parm.
8084         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
8085         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
8086         and to unmodified_parm.
8087         (phi_result_unknown_predicate): New parameter fbi, removed parameter
8088         info, updated call to will_be_nonconstant_expr_predicate.
8089         (param_change_prob): New parameter fbi, limit AA walking.
8090         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
8091         calls to various above functions.
8092         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
8093         parameter.  Use it to limit AA walking.
8094         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
8095         fbi, limit AA walk.
8096         (detect_type_change): New parameter fbi, pass it on to
8097         detect_type_change_from_memory_writes.
8098         (detect_type_change_ssa): Likewise.
8099         (aa_overwalked): Removed.
8100         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
8101         accordingly, adjust to the neew AA limiting scheme.
8102         (parm_ref_data_preserved_p): Likewise.
8103         (ipa_compute_jump_functions_for_edge): Adjust call to
8104         get_dynamic_type.
8105         (ipa_analyze_call_uses): Likewise.
8106         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
8107         (ipa_analyze_node): Initialize aa_walk_budget.
8108         (ipcp_transform_function): Likewise.
8109         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
8110         to get_dynamic_type.
8111
8112 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
8113
8114         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
8115         outside of #if CHECKING_P code.
8116
8117 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
8118
8119         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
8120         New function, split out from...
8121         (loop_versioning::analyze_stride): ...here.
8122         (loop_versioning::find_per_loop_multiplication): Use gassign.
8123         (loop_versioning::analyze_term_using_scevs): Return a success code.
8124         (loop_versioning::analyze_arbitrary_term): New function.
8125         (loop_versioning::analyze_address_fragment): Use
8126         analyze_arbitrary_term if all else fails.
8127
8128 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
8129
8130         PR target/88892
8131         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
8132         operands.
8133
8134 2019-01-18  Richard Biener  <rguenther@suse.de>
8135
8136         PR tree-optimization/88903
8137         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
8138         scalar stmts a SLP shift amount is composed of when detecting
8139         shifts by scalars.
8140
8141 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
8142
8143         PR target/88799
8144         * config/arm/arm-cpus.in (mp): New feature.
8145         (sec): New feature.
8146         (fgroup ARMv7ve): Add mp and sec features.
8147         (arch armv7-a): Add options to allow mp and sec extensions.
8148         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
8149         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
8150         extenstions to the base architecture.
8151         (cpu cortex-a8): Add sec extension to the base architecture.
8152         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
8153         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
8154         variants down to the base v7-a varaint.
8155         * config/arm/t-multilib (v7_a_arch_variants): New variable.
8156         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
8157         of permitted extensions for -march=armv7-a and for
8158         -mcpu=generic-armv7-a.
8159
8160 2019-01-18  Martin Liska  <mliska@suse.cz>
8161
8162         * params.def: Fix comment.
8163         * tree-profile.c (gimple_init_gcov_profiler): Bump function
8164         name.
8165         (gimple_gen_ic_func_profiler): Likewise.
8166
8167 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8168
8169         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
8170         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
8171         and put in error checks for stack protector guard options.
8172         (aarch64_stack_protect_guard): New.
8173         (TARGET_STACK_PROTECT_GUARD): Define.
8174         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
8175         (reg_stack_protect_address<mode>): New.
8176         (stack_protect_set): Adjust for SSP_GLOBAL.
8177         (stack_protect_test): Likewise.
8178         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
8179         (-mstack-protector-guard): Likewise.
8180         (-mstack-protector-guard-offset): Likewise.
8181
8182 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8183
8184         PR tree-optimization/86214
8185         * tree-inline.h (struct copy_body_data): Add
8186         add_clobbers_to_eh_landing_pads member.
8187         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
8188         (copy_edges_for_bb): Call it if EH edge destination is <
8189         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
8190         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
8191         if flag_stack_reuse != SR_NONE and clear it afterwards.
8192
8193 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
8194
8195         PR target/85596
8196         * doc/install.texi (with-multilib-list): Document for aarch64.
8197
8198 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
8199
8200         PR target/88734
8201         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
8202         (("..."))) with ("...").
8203
8204 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8205
8206         * doc/extend.texi (Built-in Functions for Memory Model Aware
8207         Atomic Operations): Document atomic fetch and nand.
8208
8209 2019-01-18  Martin Liska  <mliska@suse.cz>
8210             Richard Biener  <rguenther@suse.de>
8211
8212         PR middle-end/88587
8213         * cgraph.h (create_version_clone_with_body): Add new argument
8214         with attributes.
8215         * cgraphclones.c (cgraph_node::create_version_clone): Add
8216         DECL_ATTRIBUTES to a newly created decl.  And call
8217         valid_attribute_p so that proper cl_target_optimization_node
8218         is set for the newly created declaration.
8219         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
8220         for declaration.
8221         (expand_target_clones): Do not call valid_attribute_p, it must
8222         be already done.
8223         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
8224         vector types.
8225
8226 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8227
8228         PR target/88734
8229         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
8230         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
8231         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
8232
8233 2019-01-17  Martin Sebor  <msebor@redhat.com>
8234
8235         PR middle-end/88273
8236         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
8237         Handle anti-ranges the same as no range at all.
8238
8239 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
8240
8241         * config/aarch64/aarch64.c (cgraph.h): New include.
8242         (intl.h): New include.
8243         (supported_simd_type): New function.
8244         (currently_supported_simd_type): Ditto.
8245         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
8246         (aarch64_simd_clone_adjust): Ditto.
8247         (aarch64_simd_clone_usable): Ditto.
8248         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
8249         (TARGET_SIMD_CLONE_ADJUST): Ditto.
8250         (TARGET_SIMD_CLONE_USABLE): Ditto.
8251         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
8252         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
8253         call.
8254
8255 2019-01-17  Martin Sebor  <msebor@redhat.com>
8256
8257         PR tree-optimization/88800
8258         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
8259         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
8260         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
8261         redundant argument.  Add new argument and issue diagnostics under
8262         its control.  Detect out-of-bounds access even with warnings
8263         disabled.
8264         (check_bounds_or_overlap): Change return type.  Add argument.
8265         (wrestrict_dom_walker::check_call): Adjust.
8266         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
8267         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
8268         check_bounds_or_overlap's return value.
8269         (handle_builtin_stxncpy): Same.
8270         (handle_builtin_strcat): Same.
8271
8272 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8273             Kwok Cheung Yeung  <kcy@codesourcery.com>
8274             Julian Brown  <julian@codesourcery.com>
8275             Tom de Vries  <tom@codesourcery.com>
8276
8277         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
8278
8279 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8280
8281         * doc/sourcebuild.texi: Document dg-require-effective-target
8282         llvm_binutils and offload_gcn.
8283
8284 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8285             Kwok Cheung Yeung  <kcy@codesourcery.com>
8286             Julian Brown  <julian@codesourcery.com>
8287             Tom de Vries  <tom@codesourcery.com>
8288
8289         * doc/sourcebuild.texi: Document dg-required-effective-target
8290         exceptions.
8291
8292 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8293             Kwok Cheung Yeung  <kcy@codesourcery.com>
8294             Julian Brown  <julian@codesourcery.com>
8295             Tom de Vries  <tom@codesourcery.com>
8296             Jan Hubicka  <hubicka@ucw.cz>
8297             Martin Jambor  <mjambor@suse.cz>
8298
8299         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8300         * configure.ac: Check for dlopen.
8301         * configure: Regenerate.
8302
8303 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8304             Kwok Cheung Yeung  <kcy@codesourcery.com>
8305             Julian Brown  <julian@codesourcery.com>
8306             Tom de Vries  <tom@codesourcery.com>
8307             Jan Hubicka  <hubicka@ucw.cz>
8308             Martin Jambor  <mjambor@suse.cz>
8309
8310         * common/config/gcn/gcn-common.c: New file.
8311         * config/gcn/driver-gcn.c: New file.
8312         * config/gcn/gcn-builtins.def: New file.
8313         * config/gcn/gcn-hsa.h: New file.
8314         * config/gcn/gcn-modes.def: New file.
8315         * config/gcn/gcn-opts.h: New file.
8316         * config/gcn/gcn-passes.def: New file.
8317         * config/gcn/gcn-protos.h: New file.
8318         * config/gcn/gcn-run.c: New file.
8319         * config/gcn/gcn-tree.c: New file.
8320         * config/gcn/gcn.c: New file.
8321         * config/gcn/gcn.h: New file.
8322         * config/gcn/gcn.opt: New file.
8323         * config/gcn/t-gcn-hsa: New file.
8324
8325 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8326             Kwok Cheung Yeung  <kcy@codesourcery.com>
8327             Julian Brown  <julian@codesourcery.com>
8328             Tom de Vries  <tom@codesourcery.com>
8329             Jan Hubicka  <hubicka@ucw.cz>
8330             Martin Jambor  <mjambor@suse.cz>
8331
8332         * config/gcn/constraints.md: New file.
8333         * config/gcn/gcn-valu.md: New file.
8334         * config/gcn/gcn.md: New file.
8335         * config/gcn/predicates.md: New file.
8336
8337 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8338
8339         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8340         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8341         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8342         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8343
8344 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8345
8346         PR target/88851
8347         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8348         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8349         it and document registers.
8350
8351 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8352
8353         * config/aarch64/aarch64.c (ares_tunings): Define.
8354         * config/aarch64/aarch64-cores.def (ares): Use the above.
8355
8356 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8357
8358         PR target/88794
8359         Revert:
8360         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8361
8362         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8363         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8364         (_mm512_maskz_fixupimm_round_pd): Ditto.
8365         (_mm512_fixupimm_round_ps): Ditto.
8366         (_mm512_maskz_fixupimm_round_ps): Ditto.
8367         (_mm_fixupimm_round_sd): Ditto.
8368         (_mm_maskz_fixupimm_round_sd): Ditto.
8369         (_mm_fixupimm_round_ss): Ditto.
8370         (_mm_maskz_fixupimm_round_ss): Ditto.
8371         (_mm512_fixupimm_pd): Ditto.
8372         (_mm512_maskz_fixupimm_pd): Ditto.
8373         (_mm512_fixupimm_ps): Ditto.
8374         (_mm512_maskz_fixupimm_ps): Ditto.
8375         (_mm_fixupimm_sd): Ditto.
8376         (_mm_maskz_fixupimm_sd): Ditto.
8377         (_mm_fixupimm_ss): Ditto.
8378         (_mm_maskz_fixupimm_ss): Ditto.
8379         (_mm512_mask_fixupimm_round_pd): Update builtin.
8380         (_mm512_mask_fixupimm_round_ps): Ditto.
8381         (_mm_mask_fixupimm_round_sd): Ditto.
8382         (_mm_mask_fixupimm_round_ss): Ditto.
8383         (_mm512_mask_fixupimm_pd): Ditto.
8384         (_mm512_mask_fixupimm_ps): Ditto.
8385         (_mm_mask_fixupimm_sd): Ditto.
8386         (_mm_mask_fixupimm_ss): Ditto.
8387         * config/i386/avx512vlintrin.h:
8388         (_mm256_fixupimm_pd): Update parameters and builtin.
8389         (_mm256_maskz_fixupimm_pd): Ditto.
8390         (_mm256_fixupimm_ps): Ditto.
8391         (_mm256_maskz_fixupimm_ps): Ditto.
8392         (_mm_fixupimm_pd): Ditto.
8393         (_mm_maskz_fixupimm_pd): Ditto.
8394         (_mm_fixupimm_ps): Ditto.
8395         (_mm_maskz_fixupimm_ps): Ditto.
8396         (_mm256_mask_fixupimm_pd): Update builtin.
8397         (_mm256_mask_fixupimm_ps): Ditto.
8398         (_mm_mask_fixupimm_pd): Ditto.
8399         (_mm_mask_fixupimm_ps): Ditto.
8400         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8401         * config/i386/i386-builtin.def: Update builtin definitions.
8402         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8403         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8404         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8405         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8406         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8407         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8408         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8409         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8410         * config/i386/subst.md:
8411         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8412         (round_saeonly_sd_mask_op4): Ditto.
8413         (round_saeonly_expand_operand5): Ditto.
8414         (round_saeonly_expand): Update.
8415
8416 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8417
8418         PR target/88794
8419         Revert:
8420         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8421
8422         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8423         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8424         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8425         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8426         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8427         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8428         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8429
8430 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8431
8432         PR target/88794
8433         Revert:
8434         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8435
8436         PR target/88489
8437         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8438         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8439         instead of UNSPEC_FIXUPIMM.
8440
8441 2019-01-17  Richard Biener  <rguenther@suse.de>
8442
8443         PR lto/86736
8444         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8445         and friends for the LTO part of debug info.
8446
8447 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8448
8449         PR tree-optimization/86214
8450         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8451         if x == y.
8452
8453         PR rtl-optimization/88870
8454         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8455         throw if we can't alter the cfg or delete dead exceptions.
8456         (mark_insn): Don't call find_call_stack_args for such calls.
8457
8458 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8459
8460         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8461         prototypes for vec_st.
8462         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8463         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8464         mainly on signed/unsigned long long and double.
8465
8466 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8467
8468         PR target/88861
8469         * combine.c (delete_noop_moves): Convert to "bool" return,
8470         returning true if any edges are eliminated.
8471         (combine_instructions): Also return true if delete_noop_moves
8472         returns true.
8473
8474 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8475
8476         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8477         correct max nunits for endian swap.
8478         (aarch64_expand_fcmla_builtin): Correct subreg code.
8479         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8480         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8481         lane endianness.
8482
8483 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8484
8485         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8486         Handle split indirect COMPLEX_TYPE arguments.
8487
8488 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8489
8490         PR target/86891
8491         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8492         bit is set by add and compare.
8493         (CC_ADC): New CC_MODE.
8494         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8495         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8496         comparison.  Add detection for CC_ADCmode.
8497         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8498         CC_ADCmode.
8499         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8500         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8501         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8502         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8503         to eliminate the need for zero-extending the operands.
8504         (add<mode>3_compareC_imm): Delete.  Merge into ...
8505         (add<mode>3_compareC): ... this.  Restructure the comparison to
8506         eliminate the need for zero-extending the operands.
8507         (add<mode>3_carryin): Use LTU for the overflow detection.
8508         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8509         Reexpress comparison for overflow.
8510         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8511         (add<mode>3_carryinC): Likewise.
8512         (add<mode>3_carryinV): Use LTU for carry between partials.
8513         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8514         handling of CC_Cmode and add CC_ADCmode.
8515         (aarch64_borrow_operation): Likewise.
8516
8517 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8518
8519         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8520         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8521         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8522         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8523
8524 2019-01-16  Martin Liska  <mliska@suse.cz>
8525
8526         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8527         for GCC driver.
8528         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8529         a new argument.
8530         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8531         (path_prefix_reset): Move up in the source file.
8532         (find_fortran_preinclude_file): Make complex search for the
8533         fortran header files.
8534
8535 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8536
8537         * godump.c (go_output_typedef): When outputting a typedef, refer
8538         to the underlying type by its name and not its structure.
8539
8540 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8541
8542         PR c++/88795
8543         * tree.c (build_function_type): Assert that arg_types is not
8544         error_mark_node.
8545
8546 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8547
8548         PR inline-asm/52813
8549         * doc/extend.texi: Document that listing the stack pointer in the
8550         clobber list of an asm is a deprecated feature.
8551         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8552         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8553         warning instead of an error for clobbers of the stack pointer.
8554         Add a note explaining why.
8555
8556 2019-01-15  Richard Biener  <rguenther@suse.de>
8557
8558         PR debug/88046
8559         * dwarf2out.c (gen_member_die): Do not generate inheritance
8560         DIEs late.
8561
8562 2019-01-15  Richard Biener  <rguenther@suse.de>
8563
8564         PR tree-optimization/88855
8565         * tree-if-conv.c (combine_blocks): Collect
8566         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8567
8568 2019-01-15  Tom de Vries  <tdevries@suse.de>
8569
8570         PR target/80547
8571         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8572         lhs == NULL_TREE for gang-level reduction.
8573
8574 2019-01-15  Richard Biener  <rguenther@suse.de>
8575             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8576
8577         PR ipa/88788
8578         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8579         return true if SSA_NAME is already marked in visited bitmap.
8580         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8581
8582 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8583
8584         PR tree-optimization/88775
8585         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8586         equal == 0 equality pointer comparisons some more if compared in
8587         integral types and either one points to an automatic var and the
8588         other to a global, or we can prove at least one points to the middle
8589         or both point to start or both point to end.
8590
8591 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8592
8593         * Makefile.in: Lower autofdo sampling rate by 10x.
8594         * Makefile.tpl: Dito.
8595
8596 2019-01-14  Tom Honermann  <tom@honermann.net>
8597
8598         * defaults.h: Define CHAR8_TYPE.
8599
8600 2019-01-14  Martin Sebor  <msebor@redhat.com>
8601
8602         PR target/88638
8603         * doc/extend.texi (Darwin Format Checks): Clarify.
8604
8605 2019-01-14  Richard Biener  <rguenther@suse.de>
8606
8607         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8608         whether we are in (simplify ...) or (match ...) context.
8609
8610 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8611
8612         PR rtl-optimization/88796
8613         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8614         * cfgexpand.c (stack_protect_prologue): Initialize
8615         crtl->stack_protect_guard_decl.
8616         * function.c (stack_protect_epilogue): Use it instead of calling
8617         targetm.stack_protect_guard again.
8618         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8619         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8620         crtl->stack_protect_guard_decl.
8621         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8622         on the returned MEM_EXPR.
8623
8624 2019-01-12  Tom de Vries  <tdevries@suse.de>
8625
8626         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8627         vector length using -fopenacc-dim.
8628
8629 2019-01-12  Tom de Vries  <tdevries@suse.de>
8630
8631         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8632         lengths into account.
8633
8634 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8635
8636         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8637         (TARGET_CAN_SPLIT_STACK): Define.
8638         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8639
8640 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8641
8642         * params.def (inline-unit-growth): Set to 40.
8643
8644 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8645
8646         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8647
8648 2019-01-12  Tom de Vries  <tdevries@suse.de>
8649
8650         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8651         region calling vector-partitionable routine, set default_vector_length
8652         to WARP_SIZE.
8653
8654 2019-01-12  Tom de Vries  <tdevries@suse.de>
8655
8656         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8657         variable default_vector_length.
8658
8659 2019-01-12  Tom de Vries  <tdevries@suse.de>
8660
8661         PR middle-end/88703
8662         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8663         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8664         dimensions limits.
8665
8666 2019-01-12  Tom de Vries  <tdevries@suse.de>
8667
8668         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8669         (nvptx_goacc_validate_dims): Add used parameter.
8670         * doc/tm.texi: Regenerate.
8671         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8672         argument to call to targetm.goacc.validate_dims.
8673         (default_goacc_validate_dims): Add used
8674         parameter.
8675         * target.def (validate_dims): Add used parameter in DEFHOOK.
8676         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8677
8678 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8679
8680         PR middle-end/85956
8681         PR lto/88733
8682         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8683         field.
8684         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8685         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8686         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8687         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8688
8689 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8690
8691         PR rtl-optimization/87305
8692         * lra-assigns.c
8693         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8694         for little endian pseudos used as paradoxical subreg.
8695
8696 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8697
8698         PR tree-optimization/88693
8699         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8700         for STRING_CSTs that don't contain any NUL characters in the first
8701         TREE_STRING_LENGTH bytes.
8702
8703 2019-01-11  Alan Modra  <amodra@gmail.com>
8704
8705         PR 88777
8706         PR 88614
8707         * genattrtab.c (min_fn): Don't translate values.
8708         (min_attr_value): Return INT_MAX when the value can't be calculated.
8709         Return minimum among any values that can be calculated.
8710         (max_attr_value): Adjust.
8711
8712 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8713
8714         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8715
8716 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8717
8718         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8719         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8720         (aarch64_return_call_with_max_clobbers): New function.
8721         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8722         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8723         argument.
8724         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8725         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8726         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8727         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8728         * cselib.c (cselib_process_insn): Add argument to
8729         targetm.hard_regno_call_part_clobbered call.
8730         * ira-conflicts.c (ira_build_conflicts): Ditto.
8731         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8732         * lra-constraints.c (inherit_reload_reg): Ditto.
8733         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8734         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8735         argument.  Call targetm.return_call_with_max_clobbers.
8736         Add argument to targetm.hard_regno_call_part_clobbered call.
8737         (calls_have_same_clobbers_p): New function.
8738         (process_bb_lives): Add call_insn and last_call_insn variables.
8739         Pass call_insn to check_pseudos_live_through_calls.
8740         Modify if stmt to check targetm.return_call_with_max_clobbers.
8741         Update setting of flush variable.
8742         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8743         to false.
8744         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8745         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8746         targetm.hard_regno_call_part_clobbered call.
8747         * reginfo.c (choose_hard_reg_mode): Ditto.
8748         * regrename.c (check_new_reg_p): Ditto.
8749         * reload.c (find_equiv_reg): Ditto.
8750         * reload1.c (emit_reload_insns): Ditto.
8751         * sched-deps.c (deps_analyze_insn): Ditto.
8752         * sel-sched.c (init_regs_for_mode): Ditto.
8753         (mark_unavailable_hard_regs): Ditto.
8754         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8755         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8756         (return_call_with_max_clobbers): New target function.
8757         * doc/tm.texi: Regenerate.
8758         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8759         * hooks.c (hook_bool_uint_mode_false): Change to
8760         hook_bool_insn_uint_mode_false.
8761         * hooks.h (hook_bool_uint_mode_false): Ditto.
8762
8763 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8764
8765         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8766         (aarch64_remove_extra_call_preserved_regs): New function.
8767         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8768         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8769         * doc/tm.texi: Regenerate.
8770         * final.c (get_call_reg_set_usage): Call new hook.
8771         * target.def (remove_extra_call_preserved_regs): New hook.
8772         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8773         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8774
8775 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8776
8777         PR bootstrap/88714
8778         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8779         inside of pass_combine_1 dump rather than pass_profile_1.
8780
8781 2019-01-11  Tom de Vries  <tdevries@suse.de>
8782
8783         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8784         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8785         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8786         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8787         num_workers 16.
8788
8789 2019-01-11  Tom de Vries  <tdevries@suse.de>
8790
8791         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8792
8793 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8794
8795         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8796         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8797         sse2_cvtsi2sd): Add {l}.
8798         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8799         syntax.
8800
8801 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8802
8803         PR target/88785
8804         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8805         define_expand.
8806         (*float<floatunssuffix>v2div2sf2): New define_insn.
8807         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8808         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8809         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8810         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8811         match_operands with "const0_operand" "C".
8812
8813 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8814
8815         * config/aarch64/aarch64-builtins.c
8816         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8817         (aarch64_init_simd_builtins): ...Here
8818
8819 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8820
8821         PR rtl-optimization/87305
8822         * lra-assigns.c
8823         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8824         allocation for big endian pseudos used as paradoxical subregs and
8825         spill them if it is wrong.
8826         * lra-constraints.c (lra_constraints): Add a comment.
8827
8828 2019-01-10  Richard Biener  <rguenther@suse.de>
8829
8830         PR tree-optimization/88792
8831         * tree-ssa-pre.c (get_representative_for): Do not return a
8832         value-number here.
8833
8834 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8835
8836         PR middle-end/84877
8837         PR bootstrap/88450
8838         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8839         (assign_parm_setup_block): Do the argument slot realignment here
8840         instead.
8841
8842 2019-01-10  Stefan Agner  <stefan@agner.ch>
8843
8844         PR target/88648
8845         * config/arm/arm.c (arm_option_override_internal): Force
8846         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8847
8848 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8849
8850         PR c/88568
8851         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8852         DECL_EXTERNAL.
8853
8854 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8855
8856         * config/arm/arm-builtins.c
8857         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8858         (MAC_LANE_PAIR_QUALIFIERS): New.
8859         (arm_expand_builtin_args): Use it.
8860         (arm_expand_builtin_1): Likewise.
8861         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8862         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8863         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8864         * config/arm/arm_neon.h:
8865         (vcadd_rot90_f16): New.
8866         (vcaddq_rot90_f16): New.
8867         (vcadd_rot270_f16): New.
8868         (vcaddq_rot270_f16): New.
8869         (vcmla_f16): New.
8870         (vcmlaq_f16): New.
8871         (vcmla_lane_f16): New.
8872         (vcmla_laneq_f16): New.
8873         (vcmlaq_lane_f16): New.
8874         (vcmlaq_laneq_f16): New.
8875         (vcmla_rot90_f16): New.
8876         (vcmlaq_rot90_f16): New.
8877         (vcmla_rot90_lane_f16): New.
8878         (vcmla_rot90_laneq_f16): New.
8879         (vcmlaq_rot90_lane_f16): New.
8880         (vcmlaq_rot90_laneq_f16): New.
8881         (vcmla_rot180_f16): New.
8882         (vcmlaq_rot180_f16): New.
8883         (vcmla_rot180_lane_f16): New.
8884         (vcmla_rot180_laneq_f16): New.
8885         (vcmlaq_rot180_lane_f16): New.
8886         (vcmlaq_rot180_laneq_f16): New.
8887         (vcmla_rot270_f16): New.
8888         (vcmlaq_rot270_f16): New.
8889         (vcmla_rot270_lane_f16): New.
8890         (vcmla_rot270_laneq_f16): New.
8891         (vcmlaq_rot270_lane_f16): New.
8892         (vcmlaq_rot270_laneq_f16): New.
8893         (vcadd_rot90_f32): New.
8894         (vcaddq_rot90_f32): New.
8895         (vcadd_rot270_f32): New.
8896         (vcaddq_rot270_f32): New.
8897         (vcmla_f32): New.
8898         (vcmlaq_f32): New.
8899         (vcmla_lane_f32): New.
8900         (vcmla_laneq_f32): New.
8901         (vcmlaq_lane_f32): New.
8902         (vcmlaq_laneq_f32): New.
8903         (vcmla_rot90_f32): New.
8904         (vcmlaq_rot90_f32): New.
8905         (vcmla_rot90_lane_f32): New.
8906         (vcmla_rot90_laneq_f32): New.
8907         (vcmlaq_rot90_lane_f32): New.
8908         (vcmlaq_rot90_laneq_f32): New.
8909         (vcmla_rot180_f32): New.
8910         (vcmlaq_rot180_f32): New.
8911         (vcmla_rot180_lane_f32): New.
8912         (vcmla_rot180_laneq_f32): New.
8913         (vcmlaq_rot180_lane_f32): New.
8914         (vcmlaq_rot180_laneq_f32): New.
8915         (vcmla_rot270_f32): New.
8916         (vcmlaq_rot270_f32): New.
8917         (vcmla_rot270_lane_f32): New.
8918         (vcmla_rot270_laneq_f32): New.
8919         (vcmlaq_rot270_lane_f32): New.
8920         (vcmlaq_rot270_laneq_f32): New.
8921         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8922         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8923         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8924         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8925         vcmlaq_lane270): New.
8926         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8927         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8928         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8929         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8930         (arm_option_reconfigure_globals): Use them.
8931         * config/arm/iterators.md (VDF, VQ_HSF): New.
8932         (VCADD, VCMLA): New.
8933         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8934         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8935         New.
8936         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8937         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8938
8939 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8940
8941         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8942         Add qualifier_lane_pair_index.
8943         (emit-rtl.h): Include.
8944         (TYPES_QUADOP_LANE_PAIR): New.
8945         (aarch64_simd_expand_args): Use it.
8946         (aarch64_simd_expand_builtin): Likewise.
8947         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8948         New.
8949         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8950         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8951         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8952         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8953         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8954         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8955         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8956         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8957         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8958         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8959         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8960         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8961         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8962         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8963         Add __ARM_FEATURE_COMPLEX.
8964         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8965         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8966         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8967         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8968         fcmlaq_lane270): New.
8969         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8970         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8971         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8972         * config/aarch64/arm_neon.h:
8973         (vcadd_rot90_f16): New.
8974         (vcaddq_rot90_f16): New.
8975         (vcadd_rot270_f16): New.
8976         (vcaddq_rot270_f16): New.
8977         (vcmla_f16): New.
8978         (vcmlaq_f16): New.
8979         (vcmla_lane_f16): New.
8980         (vcmla_laneq_f16): New.
8981         (vcmlaq_lane_f16): New.
8982         (vcmlaq_rot90_lane_f16): New.
8983         (vcmla_rot90_laneq_f16): New.
8984         (vcmla_rot90_lane_f16): New.
8985         (vcmlaq_rot90_f16): New.
8986         (vcmla_rot90_f16): New.
8987         (vcmlaq_laneq_f16): New.
8988         (vcmla_rot180_laneq_f16): New.
8989         (vcmla_rot180_lane_f16): New.
8990         (vcmlaq_rot180_f16): New.
8991         (vcmla_rot180_f16): New.
8992         (vcmlaq_rot90_laneq_f16): New.
8993         (vcmlaq_rot270_laneq_f16): New.
8994         (vcmlaq_rot270_lane_f16): New.
8995         (vcmla_rot270_laneq_f16): New.
8996         (vcmlaq_rot270_f16): New.
8997         (vcmla_rot270_f16): New.
8998         (vcmlaq_rot180_laneq_f16): New.
8999         (vcmlaq_rot180_lane_f16): New.
9000         (vcmla_rot270_lane_f16): New.
9001         (vcadd_rot90_f32): New.
9002         (vcaddq_rot90_f32): New.
9003         (vcaddq_rot90_f64): New.
9004         (vcadd_rot270_f32): New.
9005         (vcaddq_rot270_f32): New.
9006         (vcaddq_rot270_f64): New.
9007         (vcmla_f32): New.
9008         (vcmlaq_f32): New.
9009         (vcmlaq_f64): New.
9010         (vcmla_lane_f32): New.
9011         (vcmla_laneq_f32): New.
9012         (vcmlaq_lane_f32): New.
9013         (vcmlaq_laneq_f32): New.
9014         (vcmla_rot90_f32): New.
9015         (vcmlaq_rot90_f32): New.
9016         (vcmlaq_rot90_f64): New.
9017         (vcmla_rot90_lane_f32): New.
9018         (vcmla_rot90_laneq_f32): New.
9019         (vcmlaq_rot90_lane_f32): New.
9020         (vcmlaq_rot90_laneq_f32): New.
9021         (vcmla_rot180_f32): New.
9022         (vcmlaq_rot180_f32): New.
9023         (vcmlaq_rot180_f64): New.
9024         (vcmla_rot180_lane_f32): New.
9025         (vcmla_rot180_laneq_f32): New.
9026         (vcmlaq_rot180_lane_f32): New.
9027         (vcmlaq_rot180_laneq_f32): New.
9028         (vcmla_rot270_f32): New.
9029         (vcmlaq_rot270_f32): New.
9030         (vcmlaq_rot270_f64): New.
9031         (vcmla_rot270_lane_f32): New.
9032         (vcmla_rot270_laneq_f32): New.
9033         (vcmlaq_rot270_lane_f32): New.
9034         (vcmlaq_rot270_laneq_f32): New.
9035         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
9036         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
9037         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
9038         (FCADD, FCMLA): New.
9039         (rot): New.
9040         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
9041
9042 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9043
9044         PR other/16615
9045
9046         * config/pa/pa.c: Change "can not" to "cannot".
9047         * gimple-ssa-evrp-analyze.c: Likewise.
9048         * ipa-icf.c: Likewise.
9049         * ipa-polymorphic-call.c: Likewise.
9050         * ipa-pure-const.c: Likewise.
9051         * lra-constraints.c: Likewise.
9052         * lra-remat.c: Likewise.
9053         * reload1.c: Likewise.
9054         * reorg.c: Likewise.
9055         * tree-ssa-uninit.c: Likewise.
9056
9057 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
9058
9059         PR other/16615
9060
9061         * Makefile.in: Mechanically replace "can not" with "cannot".
9062         * alias.c: Likewise.
9063         * builtins.c: Likewise.
9064         * calls.c: Likewise.
9065         * cgraph.c: Likewise.
9066         * cgraph.h: Likewise.
9067         * cgraphclones.c: Likewise.
9068         * cgraphunit.c: Likewise.
9069         * combine-stack-adj.c: Likewise.
9070         * combine.c: Likewise.
9071         * common/config/i386/i386-common.c: Likewise.
9072         * config/aarch64/aarch64.c: Likewise.
9073         * config/alpha/sync.md: Likewise.
9074         * config/arc/arc.c: Likewise.
9075         * config/arc/predicates.md: Likewise.
9076         * config/arm/arm-c.c: Likewise.
9077         * config/arm/arm.c: Likewise.
9078         * config/arm/arm.h: Likewise.
9079         * config/arm/arm.md: Likewise.
9080         * config/arm/cortex-r4f.md: Likewise.
9081         * config/csky/csky.c: Likewise.
9082         * config/csky/csky.h: Likewise.
9083         * config/darwin-f.c: Likewise.
9084         * config/epiphany/epiphany.md: Likewise.
9085         * config/i386/i386.c: Likewise.
9086         * config/i386/sol2.h: Likewise.
9087         * config/m68k/m68k.c: Likewise.
9088         * config/mcore/mcore.h: Likewise.
9089         * config/microblaze/microblaze.md: Likewise.
9090         * config/mips/20kc.md: Likewise.
9091         * config/mips/sb1.md: Likewise.
9092         * config/nds32/nds32.c: Likewise.
9093         * config/nds32/predicates.md: Likewise.
9094         * config/pa/pa.c: Likewise.
9095         * config/rs6000/e300c2c3.md: Likewise.
9096         * config/rs6000/rs6000.c: Likewise.
9097         * config/s390/s390.h: Likewise.
9098         * config/sh/sh.c: Likewise.
9099         * config/sh/sh.md: Likewise.
9100         * config/spu/vmx2spu.h: Likewise.
9101         * cprop.c: Likewise.
9102         * dbxout.c: Likewise.
9103         * df-scan.c: Likewise.
9104         * doc/cfg.texi: Likewise.
9105         * doc/extend.texi: Likewise.
9106         * doc/fragments.texi: Likewise.
9107         * doc/gty.texi: Likewise.
9108         * doc/invoke.texi: Likewise.
9109         * doc/lto.texi: Likewise.
9110         * doc/md.texi: Likewise.
9111         * doc/objc.texi: Likewise.
9112         * doc/rtl.texi: Likewise.
9113         * doc/tm.texi: Likewise.
9114         * dse.c: Likewise.
9115         * emit-rtl.c: Likewise.
9116         * emit-rtl.h: Likewise.
9117         * except.c: Likewise.
9118         * expmed.c: Likewise.
9119         * expr.c: Likewise.
9120         * fold-const.c: Likewise.
9121         * genautomata.c: Likewise.
9122         * gimple-fold.c: Likewise.
9123         * hard-reg-set.h: Likewise.
9124         * ifcvt.c: Likewise.
9125         * ipa-comdats.c: Likewise.
9126         * ipa-cp.c: Likewise.
9127         * ipa-devirt.c: Likewise.
9128         * ipa-fnsummary.c: Likewise.
9129         * ipa-icf.c: Likewise.
9130         * ipa-inline-transform.c: Likewise.
9131         * ipa-inline.c: Likewise.
9132         * ipa-polymorphic-call.c: Likewise.
9133         * ipa-profile.c: Likewise.
9134         * ipa-prop.c: Likewise.
9135         * ipa-pure-const.c: Likewise.
9136         * ipa-reference.c: Likewise.
9137         * ipa-split.c: Likewise.
9138         * ipa-visibility.c: Likewise.
9139         * ipa.c: Likewise.
9140         * ira-build.c: Likewise.
9141         * ira-color.c: Likewise.
9142         * ira-conflicts.c: Likewise.
9143         * ira-costs.c: Likewise.
9144         * ira-int.h: Likewise.
9145         * ira-lives.c: Likewise.
9146         * ira.c: Likewise.
9147         * ira.h: Likewise.
9148         * loop-invariant.c: Likewise.
9149         * loop-unroll.c: Likewise.
9150         * lower-subreg.c: Likewise.
9151         * lra-assigns.c: Likewise.
9152         * lra-constraints.c: Likewise.
9153         * lra-eliminations.c: Likewise.
9154         * lra-lives.c: Likewise.
9155         * lra-remat.c: Likewise.
9156         * lra-spills.c: Likewise.
9157         * lra.c: Likewise.
9158         * lto-cgraph.c: Likewise.
9159         * lto-streamer-out.c: Likewise.
9160         * postreload-gcse.c: Likewise.
9161         * predict.c: Likewise.
9162         * profile-count.h: Likewise.
9163         * profile.c: Likewise.
9164         * recog.c: Likewise.
9165         * ree.c: Likewise.
9166         * reload.c: Likewise.
9167         * reload1.c: Likewise.
9168         * reorg.c: Likewise.
9169         * resource.c: Likewise.
9170         * rtl.def: Likewise.
9171         * rtl.h: Likewise.
9172         * rtlanal.c: Likewise.
9173         * sched-deps.c: Likewise.
9174         * sched-ebb.c: Likewise.
9175         * sched-rgn.c: Likewise.
9176         * sel-sched-ir.c: Likewise.
9177         * sel-sched.c: Likewise.
9178         * shrink-wrap.c: Likewise.
9179         * simplify-rtx.c: Likewise.
9180         * symtab.c: Likewise.
9181         * target.def: Likewise.
9182         * toplev.c: Likewise.
9183         * tree-call-cdce.c: Likewise.
9184         * tree-cfg.c: Likewise.
9185         * tree-complex.c: Likewise.
9186         * tree-core.h: Likewise.
9187         * tree-eh.c: Likewise.
9188         * tree-inline.c: Likewise.
9189         * tree-loop-distribution.c: Likewise.
9190         * tree-nrv.c: Likewise.
9191         * tree-profile.c: Likewise.
9192         * tree-sra.c: Likewise.
9193         * tree-ssa-alias.c: Likewise.
9194         * tree-ssa-dce.c: Likewise.
9195         * tree-ssa-dom.c: Likewise.
9196         * tree-ssa-forwprop.c: Likewise.
9197         * tree-ssa-loop-im.c: Likewise.
9198         * tree-ssa-loop-ivcanon.c: Likewise.
9199         * tree-ssa-loop-ivopts.c: Likewise.
9200         * tree-ssa-loop-niter.c: Likewise.
9201         * tree-ssa-phionlycprop.c: Likewise.
9202         * tree-ssa-phiopt.c: Likewise.
9203         * tree-ssa-propagate.c: Likewise.
9204         * tree-ssa-threadedge.c: Likewise.
9205         * tree-ssa-threadupdate.c: Likewise.
9206         * tree-ssa-uninit.c: Likewise.
9207         * tree-ssanames.c: Likewise.
9208         * tree-streamer-out.c: Likewise.
9209         * tree.c: Likewise.
9210         * tree.h: Likewise.
9211         * vr-values.c: Likewise.
9212
9213 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
9214
9215         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
9216         (ix86_split_xorsign): Ditto.
9217         * config/i386/i386.c (ix86_expand_xorsign): New function.
9218         (ix86_split_xorsign): Ditto.
9219         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
9220         (xorsign<mode>3): New expander.
9221         (xorsign<mode>3_1): New insn_and_split pattern.
9222         * config/i386/sse.md (xorsign<mode>3): New expander.
9223
9224 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9225
9226         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
9227         (*tablejump_sp64): Likewise.
9228         (*tablejump<P:mode>): ...this.
9229         (*call_address_sp32): Merge into...
9230         (*call_address_sp64): Likewise.
9231         (*call_address<P:mode>): ...this.
9232         (*call_symbolic_sp32): Merge into...
9233         (*call_symbolic_sp64): Likewise.
9234         (*call_symbolic<P:mode>): ...this.
9235         (call_value): Remove constraint and add predicate.
9236         (*call_value_address_sp32): Merge into...
9237         (*call_value_address_sp64): Likewise.
9238         (*call_value_address<P:mode>): ...this.
9239         (*call_value_symbolic_sp32): Merge into...
9240         (*call_value_symbolic_sp64): Likewise.
9241         (*call_value_symbolic<P:mode>): ...this.
9242         (*sibcall_symbolic_sp32): Merge into...
9243         (*sibcall_symbolic_sp64): Likewise.
9244         (*sibcall_symbolic<P:mode>): ...this.
9245         (sibcall_value): Remove constraint and add predicate.
9246         (*sibcall_value_symbolic_sp32): Merge into...
9247         (*sibcall_value_symbolic_sp64): Likewise.
9248         (*sibcall_value_symbolic<P:mode>): ...this.
9249         (window_save): Minor tweak.
9250         (*branch_sp32): Merge into...
9251         (*branch_sp64): Likewise.
9252         (*branch<P:mode>): ...this.
9253
9254 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9255             James Clarke  <jrtc27@jrtc27.com>
9256
9257         PR target/84010
9258         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
9259         consistently in TLS address generation and adjust code to the renaming
9260         of patterns.  Mark calls to __tls_get_addr as const.
9261         * config/sparc/sparc.md (tgd_hi22): Turn into...
9262         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
9263         (tgd_lo10): Turn into...
9264         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
9265         (tgd_add32): Merge into...
9266         (tgd_add64): Likewise.
9267         (tgd_add<P:mode>): ...this and use Pmode throughout.
9268         (tldm_hi22): Turn into...
9269         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
9270         (tldm_lo10): Turn into...
9271         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
9272         (tldm_add32): Merge into...
9273         (tldm_add64): Likewise.
9274         (tldm_add<P:mode>): ...this and use Pmode throughout.
9275         (tldm_call32): Merge into...
9276         (tldm_call64): Likewise.
9277         (tldm_call<P:mode>): ...this and use Pmode throughout.
9278         (tldo_hix22): Turn into...
9279         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
9280         (tldo_lox10): Turn into...
9281         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
9282         (tldo_add32): Merge into...
9283         (tldo_add64): Likewise.
9284         (tldo_add<P:mode>): ...this and use Pmode throughout.
9285         (tie_hi22): Turn into...
9286         (tie_hi22<P:mode>): ...this and use Pmode throughout.
9287         (tie_lo10): Turn into...
9288         (tie_lo10<P:mode>): ...this and use Pmode throughout.
9289         (tie_ld64): Use DImode throughout.
9290         (tie_add32): Merge into...
9291         (tie_add64): Likewise.
9292         (tie_add<P:mode>): ...this and use Pmode throughout.
9293         (tle_hix22_sp32): Merge into...
9294         (tle_hix22_sp64): Likewise.
9295         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9296         (tle_lox22_sp32): Merge into...
9297         (tle_lox22_sp64): Likewise.
9298         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9299         (*tldo_ldub_sp32): Merge into...
9300         (*tldo_ldub_sp64): Likewise.
9301         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9302         (*tldo_ldub1_sp32): Merge into...
9303         (*tldo_ldub1_sp64): Likewise.
9304         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9305         (*tldo_ldub2_sp32): Merge into...
9306         (*tldo_ldub2_sp64): Likewise.
9307         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9308         (*tldo_ldsb1_sp32): Merge into...
9309         (*tldo_ldsb1_sp64): Likewise.
9310         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9311         (*tldo_ldsb2_sp32): Merge into...
9312         (*tldo_ldsb2_sp64): Likewise.
9313         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9314         (*tldo_ldub3_sp64): Use DImode throughout.
9315         (*tldo_ldsb3_sp64): Likewise.
9316         (*tldo_lduh_sp32): Merge into...
9317         (*tldo_lduh_sp64): Likewise.
9318         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9319         (*tldo_lduh1_sp32): Merge into...
9320         (*tldo_lduh1_sp64): Likewise.
9321         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9322         (*tldo_ldsh1_sp32): Merge into...
9323         (*tldo_ldsh1_sp64): Likewise.
9324         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9325         (*tldo_lduh2_sp64): Use DImode throughout.
9326         (*tldo_ldsh2_sp64): Likewise.
9327         (*tldo_lduw_sp32): Merge into...
9328         (*tldo_lduw_sp64): Likewise.
9329         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9330         (*tldo_lduw1_sp64): Use DImode throughout.
9331         (*tldo_ldsw1_sp64): Likewise.
9332         (*tldo_ldx_sp64): Likewise.
9333         (*tldo_stb_sp32): Merge into...
9334         (*tldo_stb_sp64): Likewise.
9335         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9336         (*tldo_sth_sp32): Merge into...
9337         (*tldo_sth_sp64): Likewise.
9338         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9339         (*tldo_stw_sp32): Merge into...
9340         (*tldo_stw_sp64): Likewise.
9341         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9342         (*tldo_stx_sp64): Use DImode throughout.
9343
9344 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9345
9346         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9347         check configure option to set BTI and Return Address Signing.
9348         * configure.ac: Add --enable-standard-branch-protection and
9349         --disable-standard-branch-protection.
9350         * configure: Regenerated.
9351         * doc/install.texi: Document the same.
9352
9353 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9354             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9355
9356         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9357         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9358         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9359         if bti is enabled.
9360         * config/aarch64/aarch64-bti-insert.c: New file.
9361         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9362         pass.
9363         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9364         new bti pass.
9365         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9366         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9367         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9368         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9369
9370 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9371
9372         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9373         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9374         Disable bti for -mbranch-protection=none.
9375         (aarch64_handle_standard_branch_protection): Enable bti for
9376         -mbranch-protection=standard.
9377         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9378         -mbranch-protection.
9379         (aarch64_bti_enabled): Check if bti is enabled.
9380         * config/aarch64/aarch64.opt: Declare target variable.
9381         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9382
9383 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9384
9385         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9386         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9387         (aarch64_expand_epilogue): Likewise.
9388         (aarch64_output_mi_thunk): Likewise
9389         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9390         TAILCALL_ADDR_REGS to x16 and x17.
9391         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9392
9393 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9394
9395         * config/aarch64/aarch64-option-extensions.def: Define
9396         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9397         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9398         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9399         (AARCH64_FL_PREDRES): New.
9400         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9401         AARCH64_FL_PREDRES by default.
9402         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9403
9404 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9405
9406         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9407         ARMv8.5-A.
9408         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9409         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9410         * doc/invoke.texi: Document ARMv8.5-A.
9411
9412 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9413
9414         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9415         (xorsign<mode>3): Likewise.
9416
9417 2019-01-09  Jelinek  <jakub@redhat.com>
9418
9419         PR middle-end/88758
9420         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9421         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9422
9423         PR rtl-optimization/88331
9424         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9425         not currently_expanding_to_rtl.
9426
9427 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9428
9429         * doc/invoke.texi (-Os): Remove trailing spaces.
9430         (-finline-functions): Remove reference to -O2.
9431
9432 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9433
9434         PR rtl-optimization/79593
9435         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9436
9437         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9438         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9439
9440 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9441
9442         PR bootstrap/88721
9443         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9444         to -1 on entry.
9445
9446         PR debug/88723
9447         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9448         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9449
9450 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9451
9452         PR target/88717
9453         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9454         ix86_avx_u128_mode_entry.
9455
9456 2019-01-08  Martin Liska  <mliska@suse.cz>
9457
9458         PR tree-optimization/88753
9459         * tree-switch-conversion.c (switch_conversion::build_one_array):
9460         Come up with local variable constructor.  Convert first to
9461         type of constructor values.
9462
9463 2019-01-08  Richard Biener  <rguenther@suse.de>
9464
9465         PR tree-optimization/86554
9466         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9467         rpo_avail): Move earlier.
9468         (visit_nary_op): When value-numbering to expressions
9469         with different overflow behavior make sure there's an
9470         available expression on the path.
9471
9472 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9473
9474         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9475         aarch64_parse_branch_protection,
9476         struct aarch64_branch_protect_type,
9477         aarch64_handle_no_branch_protection,
9478         aarch64_handle_standard_branch_protection,
9479         aarch64_validate_mbranch_protection,
9480         aarch64_handle_pac_ret_protection,
9481         aarch64_handle_attr_branch_protection,
9482         accepted_branch_protection_string,
9483         aarch64_pac_ret_subtypes,
9484         aarch64_branch_protect_types,
9485         aarch64_handle_pac_ret_leaf): Define.
9486         (aarch64_override_options_after_change_1, aarch64_override_options):
9487         Add check for accepted_branch_protection_string.
9488         (aarch64_option_save): Save accepted_branch_protection_string.
9489         (aarch64_option_restore): Save accepted_branch_protection_string.
9490         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9491         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9492         msign-return-address.
9493         * doc/invoke.texi: Add mbranch-protection.
9494
9495 2019-01-08  Alan Modra  <amodra@gmail.com>
9496
9497         PR target/88614
9498         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9499         Delete "unknownp" parameter.  Adjust callers.  Handle
9500         CONST_INT, PLUS, MINUS, and MULT.
9501         (attr_value_aligned): Renamed from or_attr_value.
9502         (min_attr_value): Return INT_MIN for unhandled rtl case..
9503         (min_fn): ..and translate to INT_MAX here.
9504         (write_length_unit_log): Modify to cope without "unknown".
9505         (write_attr_value): Handle IF_THEN_ELSE.
9506
9507 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9508
9509         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9510         optimization for masked stores.
9511
9512 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9513
9514         PR middle-end/88567
9515         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9516         output vector directly to duplicate_and_interleave instead of
9517         going through a temporary.  Postpone insertion of ctor_seq to
9518         the end of the loop.
9519
9520 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9521
9522         PR target/86891
9523         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9524         unsigned_p.  Handle signed and unsigned overflow correction as
9525         required.
9526         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9527         prototype.
9528         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9529         for operand 2.
9530         (add<mode>3_compareV_imm): Make this callable for expanding.
9531         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9532         aarch64_plus_operand for operand 2.
9533         (subv<GPI:mode>_insn): New insn pattern.
9534         (subv<GPI:mode>_imm): Likewise.
9535         (negv<GPI:mode>3): New expand pattern.
9536         (negv<GPI:mode>_insn): New insn pattern.
9537         (negv<GPI:mode>_cmp_only): Likewise.
9538         (cmpv<GPI:mode>_insn): Likewise.
9539         (subvti4): Use register_operand for operand 1.  Update call to
9540         aarch64_expand_subvti.
9541         (usubvti4): Likewise.
9542         (negvti3): New expand pattern.
9543         (negdi_carryout): New insn pattern.
9544         (negvdi_carryinV): New insn pattern.
9545         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9546         version the named version.
9547         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9548         operands.
9549         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9550         patterns.
9551         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9552         patterns.
9553         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9554         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9555         (sub<mode>3_carryinCV): Delete.
9556         (sub<GPI:mode>3_carryinV): New expand pattern.
9557         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9558
9559 2019-01-07  Richard Biener  <rguenther@suse.de>
9560
9561         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9562         of tree_operand_hash.
9563
9564 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9565
9566         PR tree-optimization/88598
9567         * tree.h (single_nonzero_element): Declare.
9568         * tree.c (single_nonzero_element): New function.
9569         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9570         if I is the only nonzero element of CST.
9571
9572 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9573
9574         PR tree-optimization/88598
9575         * tree.h (initializer_each_zero_or_onep): Declare.
9576         * tree.c (initializer_each_zero_or_onep): New function.
9577         (signed_or_unsigned_type_for): Handle float types too.
9578         (unsigned_type_for, signed_type_for): Update comments accordingly.
9579         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9580         x & { 0 or -1, 0 or -1, ... }.
9581
9582 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9583
9584         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9585         with x86_64-pc-linux-gnu.
9586
9587 2019-01-07  Tom de Vries  <tdevries@suse.de>
9588
9589         PR target/85486
9590         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9591         function.
9592         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9593         routines.
9594
9595 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9596
9597         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9598         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9599         TARGET_AVX512F as condition.
9600
9601         PR debug/88723
9602         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9603         const_not_ok_for_debug_p target hook.
9604         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9605         on UNSPEC and subexpressions thereof if all subexpressions of the
9606         UNSPEC are CONSTANT_P.
9607
9608         PR tree-optimization/88676
9609         * tree-ssa-phiopt.c (two_value_replacement): New function.
9610         (tree_ssa_phiopt_worker): Call it.
9611
9612         PR sanitizer/88619
9613         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9614         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9615
9616         PR c++/85052
9617         * tree-vect-generic.c: Include insn-config.h and recog.h.
9618         (expand_vector_piecewise): Add defaulted ret_type argument,
9619         if non-NULL, use that in preference to type for the result type.
9620         (expand_vector_parallel): Formatting fix.
9621         (do_vec_conversion, do_vec_narrowing_conversion,
9622         expand_vector_conversion): New functions.
9623         (expand_vector_operations_1): Call expand_vector_conversion
9624         for VEC_CONVERT ifn calls.
9625         * internal-fn.def (VEC_CONVERT): New internal function.
9626         * internal-fn.c (expand_VEC_CONVERT): New function.
9627         * fold-const-call.c (fold_const_vec_convert): New function.
9628         (fold_const_call): Use it for CFN_VEC_CONVERT.
9629         * doc/extend.texi (__builtin_convertvector): Document.
9630
9631 2019-01-07  Tom de Vries  <tdevries@suse.de>
9632
9633         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9634         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9635         vector_red_partition, vector_red_sym): New global variables.
9636         (nvptx_option_override): Initialize vector_red_sym.
9637         (nvptx_declare_function_name): Restore red_partition register.
9638         (nvptx_file_end): Emit code to declare the vector reduction variables.
9639         (nvptx_output_red_partition): New function.
9640         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9641         large vector reductions.
9642         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9643         (nvptx_init_builtins): Add VECTOR_ADDR.
9644         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9645         Handle nvptx_expand_shared_addr.
9646         (nvptx_get_shared_red_addr): Add vector argument and handle large
9647         vectors.
9648         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9649         large vectors.
9650         (nvptx_goacc_reduction_init): Likewise.
9651         (nvptx_goacc_reduction_fini): Likewise.
9652         (nvptx_goacc_reduction_teardown): Likewise.
9653         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9654         init,fini,teardown}.
9655         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9656         (nvptx_set_current_function): Init vector_red_partition.
9657         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9658         (nvptx_red_partition): New insn.
9659         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9660
9661 2019-01-07  Tom de Vries  <tdevries@suse.de>
9662
9663         PR target/85381
9664         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9665         empty loops.
9666
9667 2019-01-07  Tom de Vries  <tdevries@suse.de>
9668
9669         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9670         (nvptx_option_override): Init oacc_bcast_partition.
9671         (nvptx_init_oacc_workers): New function.
9672         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9673         (nvptx_needs_shared_bcast): New function.
9674         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9675         to propagate state.
9676         (nvptx_shared_propagate): Initialize vector bcast partition and
9677         synchronization state.
9678         (nvptx_single):  Generalize to enable vectors to use shared-memory
9679         to propagate state.
9680         (nvptx_process_pars): Likewise.
9681         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9682         * config/nvptx/nvptx.h (struct machine_function): Add
9683         bcast_partition and sync_bar members.
9684
9685 2019-01-07  Tom de Vries  <tdevries@suse.de>
9686
9687         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9688         (nvptx_apply_dim_limits): New function.
9689         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9690         PTX_WARP_SIZE.
9691
9692 2019-01-07  Tom de Vries  <tdevries@suse.de>
9693
9694         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9695         as late as possible.
9696
9697 2019-01-07  Tom de Vries  <tdevries@suse.de>
9698
9699         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9700         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9701         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9702         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9703         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9704
9705 2019-01-07  Tom de Vries  <tdevries@suse.de>
9706
9707         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9708
9709 2019-01-07  Tom de Vries  <tdevries@suse.de>
9710
9711         * omp-offload.c (oacc_get_min_dim): New function.
9712         * omp-offload.h (oacc_get_min_dim): Declare.
9713
9714 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9715
9716         PR target/88521
9717         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9718         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9719
9720 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9721
9722         PR tree-opt/86020
9723         Revert:
9724         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9725
9726         * ipa-inline.c (edge_badness): Use inlined_time instead of
9727         inline_summaries->get.
9728
9729 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9730
9731         * opts.c (enable_fdo_optimizations): Enable
9732         version-loops-for-strides, loop-interchange, unrol-and-jam
9733         and tree-loop-distribution.
9734         * invoke.texi: Document newly enabled options.
9735
9736 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9737
9738         * doc/invoke.texi (max-inline-insns-small): New parameters.
9739         * ipa-inline.c (want_early_inline_function_p): simplify.
9740         (want_inline_small_function_p): Fix pasto from previous patch;
9741         use max-inline-insns-small bound.
9742         * params.def (max-inline-insns-small): New param.
9743         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9744         variables correctly.
9745
9746 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9747
9748         * doc/invoke.texi: Document max-inline-insns-size,
9749         uninlined-function-insns, uninlined-function-time,
9750         uninlined-thunk-insns and uninlined-thunk-time.
9751         * params.def: Add max-inline-insns-size,
9752         uninlined-function-insns, uninlined-function-time,
9753         uninlined-thunk-insns and uninlined-thunk-time.
9754         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9755         new parameters.
9756         * ipa-inline.c (can_inline_edge_by_limits_p,
9757         want_inline_small_function_p): Use new parameters.
9758
9759 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9760
9761         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9762
9763 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9764
9765         PR middle-end/82564
9766         PR target/88620
9767         * expr.c (expand_assignment): For calls returning VLA structures
9768         if to_rtx is not a MEM, force it into a stack temporary.
9769
9770         PR debug/88635
9771         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9772         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9773         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9774         subexpressions of both operands.
9775         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9776         subrtxes are CONSTANT_P.
9777         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9778         2018-11-09 changes.
9779
9780 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9781
9782         * params.def (hot-bb-count-ws-permille): Set to 990.
9783
9784 2019-01-04  Martin Sebor  <msebor@redhat.com>
9785
9786         PR c/88546
9787         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9788         leaf.
9789
9790 2019-01-04  Martin Sebor  <msebor@redhat.com>
9791
9792         PR c/88363
9793         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9794
9795 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9796
9797         * gdbinit.in: Turn off pagination for the skip commands, restore
9798         it to previous state afterwards.
9799
9800 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9801
9802         PR target/88594
9803         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9804         of GET_MODE (opN) as modes of the libcall arguments.
9805
9806 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9807
9808         * config/i386/sse.md
9809         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9810         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9811         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9812         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9813         avx512f_vmcmp<mode>3<round_saeonly_name>,
9814         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9815         avx512f_maskcmp<mode>3,
9816         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9817         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9818         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9819         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9820         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9821         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9822         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9823         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9824         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9825         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9826         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9827         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9828         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9829         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9830         avx512cd_maskb_vec_dup<mode>,
9831         avx512cd_maskw_vec_dup<mode>,
9832         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9833         avx512dq_vmfpclass<mode>,
9834         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9835         instead of =Yk.
9836
9837 2019-01-03  Martin Sebor  <msebor@redhat.com>
9838
9839         PR tree-optimization/88659
9840         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9841
9842 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9843
9844         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9845         unaligned vsx and avoid lxvd2x/stxvd2x.
9846         (gen_lvx_v4si_move): New function.
9847
9848 2019-01-03  Tom de Vries  <tdevries@suse.de>
9849
9850         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9851         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9852         function.
9853         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9854
9855 2019-01-03  Tom de Vries  <tdevries@suse.de>
9856
9857         * config/nvptx/nvptx.c (struct offload_attrs): New.
9858         (populate_offload_attrs): New function.  Factor mask extraction out of
9859         nvptx_reorg.  Add extraction of dimensions.
9860         (nvptx_reorg): Use populate_offload_attrs.
9861
9862 2019-01-03  Tom de Vries  <tdevries@suse.de>
9863
9864         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9865         cases for oacc_min_dims_p and routine_p.  Add asserts for
9866         oacc_default_dims_p and offload_region_p.
9867
9868 2019-01-03  Tom de Vries  <tdevries@suse.de>
9869
9870         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9871         factored out of ...
9872         (nvptx_goacc_validate_dims): ... here.
9873
9874 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9875
9876         PR tree-optimization/85574
9877         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9878         structure.
9879         (struct ssa_equip_hash_traits): Declare.
9880         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9881
9882 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9883
9884         PR debug/88644
9885         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9886         change it to qualified_type.
9887
9888 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9889
9890         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9891         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9892
9893 2019-01-02  Martin Sebor  <msebor@redhat.com>
9894             Jeff Law  <law@redhat.com>
9895
9896         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9897         (get_range_strlen_tree): Update appropriately.
9898         (get_range_strlen)
9899         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9900
9901         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9902         rather than set_range_info.
9903         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9904         maybe_set_strlen_range.  Handle potentially boundary crossing
9905         cases more conservatively.
9906         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9907         Call set_strlen_range.
9908         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9909
9910         PR middle-end/88663
9911         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9912         need the flexp argument.
9913         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9914         from calls to get_range_strlen.  Update comments.  Just update
9915         VAL for an unterminated const char array and let the reset of the
9916         code handle it normally.  No longer try to set *flexp.  Adjust
9917         return value.
9918         (get_range_strlen): Update for the new get_range_strlen API.
9919         (get_maxval_strlen): Similarly.
9920         (gimple_fold_builtin_strlen): Handle update meaning of return value
9921         from get_range_strlen.
9922         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9923         get_range_strlen API.
9924
9925 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9926
9927         PR lto/88130
9928         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9929         false at WPA time when body was removed.
9930
9931 2019-01-02  Martin Liska  <mliska@suse.cz>
9932
9933         PR tree-optimization/88650
9934         * predict.c (set_even_probabilities): Calculate probability
9935         remainer only when really used.
9936
9937 2019-01-02  Richard Biener  <rguenther@suse.de>
9938
9939         PR middle-end/88651
9940         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9941         widest_ints when mangling max_stmt_execution results.
9942
9943 2019-01-02  Richard Biener  <rguenther@suse.de>
9944
9945         PR tree-optimization/88621
9946         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9947         bitfields when canoncalizing.
9948
9949 2019-01-02  Richard Biener  <rguenther@suse.de>
9950
9951         PR target/87545
9952         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9953         cost of cheap SSE instruction.
9954
9955 2019-01-02  Richard Biener  <rguenther@suse.de>
9956
9957         PR ipa/85574
9958         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9959         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9960         function.
9961         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9962         set after UIDs before splitting them.
9963
9964 2019-01-01  Martin Sebor  <msebor@redhat.com>
9965             Jeff Law  <law@redhat.com>
9966
9967         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9968         length is optimistic.  If it is, then arrange to compute the
9969         conservative length as well.
9970
9971         * gimple-fold.h (get_range_strlen): Update prototype.
9972         * builtins.c (check_access): Update call to get_range_strlen to use
9973         c_strlen_data pointer.   Change various variable accesses to instead
9974         pull data from the c_strlen_data structure.
9975         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9976         * calls.c (maybe_warn_nonstring_arg): Likewise.
9977         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9978         minimum length if maximum lengh is unknown.
9979         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9980         that used c_strlen, it's no longer needed.  Restructure slightly.
9981         (format_string): Set unlikely range appropriately.
9982         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9983         formatting issues.
9984         (get_range_strlen):  Accept c_strlen_data pointer for external
9985         call sites as well.  Pass through to call to internal get_range_strlen.
9986         Adjust minlen, maxlen and maxbound as needed.
9987         (get_maxval_strlen): Update comments.
9988         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9989         to use c_strlen_data pointer.  Change variable accesses to instead
9990         use c_strlen_data data members.
9991
9992         * gimple-fold.c (get_range_strlen): Update prototype.
9993         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9994         local variables.  Use pdata to return information to caller.
9995         Update calls to get_range_strlen.  Update pdata->maxbound.
9996         (get_range_strlen -- static version): Similarly.
9997         (get_range_strlen -- extern version): Update for internal
9998         get_range_strlen API change.  Convert to external data format.
9999         (get_maxval_strlen): Similarly.
10000
10001 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
10002
10003         * coverage.c (get_coverage_counts): Use current_function_decl.
10004         * profile.c (read_thunk_profile): New function.
10005         (branch_prob): Add THUNK parameter.
10006         * tree-profile.c (tree_profiling): Handle thunks.
10007         * value-prof.c (init_node_map): Handle thunks.
10008         * value-prof.h (branch_prob): Upate prototype.
10009         (read_thunk_profile): Declare.
10010
10011 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
10012
10013         Update copyright years.
10014
10015         * gcc.c (process_command): Update copyright notice dates.
10016         * gcov-dump.c (print_version): Ditto.
10017         * gcov.c (print_version): Ditto.
10018         * gcov-tool.c (print_version): Ditto.
10019         * gengtype.c (create_file): Ditto.
10020         * doc/cpp.texi: Bump @copying's copyright year.
10021         * doc/cppinternals.texi: Ditto.
10022         * doc/gcc.texi: Ditto.
10023         * doc/gccint.texi: Ditto.
10024         * doc/gcov.texi: Ditto.
10025         * doc/install.texi: Ditto.
10026         * doc/invoke.texi: Ditto.
10027 \f
10028 Copyright (C) 2019 Free Software Foundation, Inc.
10029
10030 Copying and distribution of this file, with or without modification,
10031 are permitted in any medium without royalty provided the copyright
10032 notice and this notice are preserved.