gcc/ChangeLog

   1 2017-09-05  Jeff Law  <law@redhat.com>
   2
   3         PR tree-optimization/64910
   4         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
   5         cases where we have 3 or more operands.
   6
   7 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR middle-end/81768
  10         * omp-low.c (lower_omp_for): Recompute tree invariant if
  11         gimple_omp_for_initial/final is ADDR_EXPR.
  12
  13         PR middle-end/81768
  14         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
  15         into gimple val before gimplification fo the COND_EXPR.
  16
  17 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
  18
  19         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
  20         REGION_COPY argument.
  21         (thread_through_all_blocks): Remove unused argument to
  22         duplicate_thread_path.
  23
  24 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
  25             Alan Hayward  <alan.hayward@arm.com>
  26             David Sherwood  <david.sherwood@arm.com>
  27
  28         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
  29         Take a scalar_mode rather than a machine_mode.
  30         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
  31         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
  32         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
  33         (aarch64_gen_adjusted_ldpstp): Likewise.
  34         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
  35
  36 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
  37             Alan Hayward  <alan.hayward@arm.com>
  38             David Sherwood  <david.sherwood@arm.com>
  39
  40         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
  41         Take a scalar_int_mode instead of a machine_mode.
  42         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
  43         (aarch64_output_scalar_simd_mov_immediate): Likewise.
  44         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
  45         (aarch64_simd_attr_length_rglist): Delete.
  46         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
  47         a scalar_int_mode instead of a machine_mode.
  48         (aarch64_add_offset): Likewise.
  49         (aarch64_internal_mov_immediate): Likewise
  50         (aarch64_add_constant_internal): Likewise.
  51         (aarch64_add_constant): Likewise.
  52         (aarch64_movw_imm): Likewise.
  53         (aarch64_rtx_arith_op_extract_p): Likewise.
  54         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
  55         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
  56         Remove assert that the mode isn't a vector.
  57         (aarch64_output_scalar_simd_mov_immediate): Likewise.
  58         (aarch64_expand_mov_immediate): Update calls after above changes.
  59         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
  60         (aarch64_and_bitmask_imm): Check for scalar integer modes.
  61         (aarch64_move_imm): Likewise.
  62         (aarch64_can_const_movi_rtx_p): Likewise.
  63         (aarch64_strip_extend): Likewise.
  64         (aarch64_extr_rtx_p): Likewise.
  65         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
  66         a CONST_INT when the mode parameter is VOIDmode.
  67         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
  68
  69 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
  70
  71         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
  72         * stor-layout.c (bitwise_mode_for_mode): Likewise.
  73         (bitwise_type_for_mode): Update accordingly.
  74
  75 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
  76
  77         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
  78         * stor-layout.c (mode_for_size_tree): Likewise.
  79         (mode_for_array): Update accordingly.
  80         (layout_decl): Likewise.
  81         (compute_record_mode): Likewise.  Only set the mode once.
  82
  83 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
  84
  85         * target.def (get_mask_mode): Change return type to opt_mode.
  86         Expand commentary.
  87         * doc/tm.texi: Regenerate.
  88         * targhooks.h (default_get_mask_mode): Return an opt_mode.
  89         * targhooks.c (default_get_mask_mode): Likewise.
  90         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
  91         * optabs-query.c (can_vec_mask_load_store_p): Update use of
  92         targetm.get_mask_mode.
  93         * tree.c (build_truth_vector_type): Likewise.
  94
  95 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
  96
  97         * machmode.h (mode_for_vector): Return an opt_mode.
  98         * stor-layout.c (mode_for_vector): Likewise.
  99         (mode_for_int_vector): Update accordingly.
 100         (layout_type): Likewise.
 101         * config/i386/i386.c (emit_memmov): Likewise.
 102         (ix86_expand_set_or_movmem): Likewise.
 103         (ix86_expand_vector_init): Likewise.
 104         (ix86_get_mask_mode): Likewise.
 105         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
 106         Likewise.
 107         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
 108         * expmed.c (extract_bit_field_1): Likewise.
 109         * expr.c (expand_expr_real_2): Likewise.
 110         * optabs-query.c (can_vec_perm_p): Likewise.
 111         (can_vec_mask_load_store_p): Likewise.
 112         * optabs.c (expand_vec_perm): Likewise.
 113         * targhooks.c (default_get_mask_mode): Likewise.
 114         * tree-vect-stmts.c (vectorizable_store): Likewise.
 115         (vectorizable_load): Likewise.
 116         (get_vectype_for_scalar_type_and_size): Likewise.
 117
 118 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 119
 120         * machmode.h (mode_for_int_vector): New function.
 121         * stor-layout.c (mode_for_int_vector): Likewise.
 122         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
 123         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
 124         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
 125         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
 126         (s390_expand_vcond): Likewise.
 127
 128 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 129
 130         * machmode.h (opt_machine_mode): New type.
 131         (opt_mode<T>): Allow construction from anything that can be
 132         converted to a T.
 133         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
 134         (mode_for_size): Return an opt_machine_mode.
 135         * stor-layout.c (mode_for_size): Likewise.
 136         (mode_for_size_tree): Update call accordingly.
 137         (bitwise_mode_for_mode): Likewise.
 138         (make_fract_type): Likewise.
 139         (make_accum_type): Likewise.
 140         * caller-save.c (replace_reg_with_saved_mem): Update call
 141         accordingly.
 142         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 143         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 144         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 145         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
 146         * expmed.c (extract_bit_field_1): Likewise.
 147         * reload.c (get_secondary_mem): Likewise.
 148         * varasm.c (assemble_integer): Likewise.
 149         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
 150         early-out.
 151
 152 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 153
 154         * machmode.h (decimal_float_mode_for_size): New function.
 155         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
 156         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
 157         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
 158         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
 159         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
 160         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
 161
 162 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 163
 164         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
 165         (get_builtin_sync_mode): Likewise.
 166         (expand_ifn_atomic_compare_exchange): Likewise.
 167         (expand_builtin_atomic_clear): Likewise.
 168         (expand_builtin_atomic_test_and_set): Likewise.
 169         (fold_builtin_atomic_always_lock_free): Likewise.
 170         * calls.c (compute_argument_addresses): Likewise.
 171         (emit_library_call_value_1): Likewise.
 172         (store_one_arg): Likewise.
 173         * combine.c (combine_instructions): Likewise.
 174         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
 175         * config/arm/arm.c (arm_function_value): Likewise.
 176         (aapcs_allocate_return_reg): Likewise.
 177         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
 178         * config/i386/i386.c (construct_container): Likewise.
 179         (ix86_gimplify_va_arg): Likewise.
 180         (ix86_expand_sse_cmp): Likewise.
 181         (emit_memmov): Likewise.
 182         (emit_memset): Likewise.
 183         (expand_small_movmem_or_setmem): Likewise.
 184         (ix86_expand_pextr): Likewise.
 185         (ix86_expand_pinsr): Likewise.
 186         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
 187         * config/microblaze/microblaze.c (microblaze_block_move_straight):
 188         Likewise.
 189         * config/mips/mips.c (mips_function_value_1) Likewise.
 190         (mips_block_move_straight): Likewise.
 191         (mips_expand_ins_as_unaligned_store): Likewise.
 192         * config/powerpcspe/powerpcspe.c
 193         (rs6000_darwin64_record_arg_advance_flush): Likewise.
 194         (rs6000_darwin64_record_arg_flush): Likewise.
 195         * config/rs6000/rs6000.c
 196         (rs6000_darwin64_record_arg_advance_flush): Likewise.
 197         (rs6000_darwin64_record_arg_flush): Likewise.
 198         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
 199         (sparc_function_value_1): Likewise.
 200         * config/spu/spu.c (adjust_operand): Likewise.
 201         (spu_emit_branch_or_set): Likewise.
 202         (arith_immediate_p): Likewise.
 203         * emit-rtl.c (gen_lowpart_common): Likewise.
 204         * expr.c (expand_expr_real_1): Likewise.
 205         * function.c (assign_parm_setup_block): Likewise.
 206         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
 207         * reload1.c (alter_reg): Likewise.
 208         * stor-layout.c (mode_for_vector): Likewise.
 209         (layout_type): Likewise.
 210
 211 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
 212
 213         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
 214         (spu_convert_move): Likewise.
 215         * lower-subreg.c (resolve_simple_move): Likewise.
 216
 217 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 218
 219         PR target/81833
 220         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
 221         define_insn to a define_expand.
 222         (altivec_vsum2sws_direct): New define_insn.
 223         (altivec_vsumsws): Convert from a define_insn to a define_expand.
 224
 225 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
 226
 227         * config/arm/arm.c (arm_option_params_internal): Improve setting of
 228         max_insns_skipped.
 229
 230 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 231
 232         PR target/59501
 233         PR target/81624
 234         PR target/81769
 235         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
 236         realign stack if stack alignment needed is less than incoming
 237         stack boundary.
 238
 239 2017-09-05  Marek Polacek  <polacek@redhat.com>
 240
 241         PR sanitizer/82072
 242         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
 243         check earlier.
 244
 245 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
 246
 247         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
 248
 249 2017-09-05  Richard Biener  <rguenther@suse.de>
 250
 251         PR tree-optimization/82084
 252         * fold-const.c (can_native_encode_string_p): Handle wide characters.
 253
 254 2017-09-05  Richard Biener  <rguenther@suse.de>
 255
 256         PR tree-optimization/82102
 257         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
 258
 259 2017-09-05  Martin Liska  <mliska@suse.cz>
 260
 261         PR tree-optimization/82032
 262         * tree-cfg.c (generate_range_test): New function.
 263         * tree-cfg.h (generate_range_test): Declared here.
 264         * tree-cfgcleanup.c (convert_single_case_switch): New function.
 265         (cleanup_control_expr_graph): Use it.
 266         * tree-switch-conversion.c (try_switch_expansion): Remove
 267         assert.
 268         (emit_case_nodes): Use generate_range_test.
 269
 270 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
 271
 272         PR target/82098
 273         * config/i386/i386.md (*<btsc><mode>_mask): Add
 274         TARGET_USE_BT to insn constraint.
 275         (*btr<mode>_mask): Ditto.
 276
 277 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
 278
 279         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
 280         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
 281
 282 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 283
 284         PR target/77308
 285         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
 286         TARGET_NEON and TARGET_IWMMXT.
 287         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
 288         TARGET_NEON and TARGET_IWMMXT.
 289         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
 290
 291 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
 292
 293         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
 294         (ix86_rewrite_tls_address): Ditto.
 295         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
 296         (ix86_rewrite_tls_address_1): Ditto.
 297         (ix86_rewrite_tls_address): Ditto.
 298         * config/i386/predicates.md (tls_address_pattern): New predicate.
 299         * config/i386/i386.md (TLS address splitter): New splitter.
 300
 301 2017-09-04  Richard Biener  <rguenther@suse.de>
 302
 303         PR tree-optimization/82084
 304         * fold-const.h (can_native_encode_string_p): Declare.
 305         * fold-const.c (can_native_encode_string_p): Factor out from ...
 306         (native_encode_string): ... here.
 307         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
 308         vectorizing stores from constants we later cannot handle.
 309
 310 2017-09-04  Marek Polacek  <polacek@redhat.com>
 311
 312         PR c/81783
 313         * doc/invoke.texi: Update -Wtautological-compare documentation.
 314
 315 2017-09-04  Jeff Law  <law@redhat.com>
 316
 317         PR tree-optimization/64910
 318         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
 319         swap the first and last operand if the last is a constant.
 320
 321 2017-09-04  Marek Polacek  <polacek@redhat.com>
 322
 323         PR sanitizer/82072
 324         * convert.c (do_narrow): When sanitizing signed integer overflows,
 325         bail out for signed types.
 326         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
 327
 328 2017-09-04  Richard Biener  <rguenther@suse.de>
 329
 330         PR tree-optimization/82060
 331         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
 332         Move devirtualization after stmt folding and before EH/AB/noreturn
 333         cleanup to get the stmt refs canonicalized.  Use a bool instead
 334         of gimple_modified_p since that doesn't work for NOPs.  Schedule
 335         NOPs generated by folding for removal.
 336
 337 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 338             Alan Hayward  <alan.hayward@arm.com>
 339             David Sherwood  <david.sherwood@arm.com>
 340
 341         * coretypes.h (pad_direction): New enum.
 342         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
 343         (FUNCTION_ARG_PADDING): Likewise.
 344         * target.def (function_arg_padding): New hook.
 345         * targhooks.h (default_function_arg_padding): Declare.
 346         * targhooks.c (default_function_arg_padding): New function.
 347         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
 348         (TARGET_FUNCTION_ARG_PADDING): ...this.
 349         * doc/tm.texi: Regenerate.
 350         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
 351         instead of direction.
 352         (compute_argument_addresses): Likewise.
 353         (load_register_parameters): Likewise.
 354         (emit_library_call_value_1): Likewise.
 355         (store_one_arg): Use targetm.calls.function_arg_padding instead
 356         of FUNCTION_ARG_PADDING.
 357         (must_pass_in_stack_var_size_or_pad): Likewise.
 358         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
 359         (emit_group_store): Likewise.
 360         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
 361         instead of FUNCTION_ARG_PADDING.
 362         (emit_push_insn): Likewise, and propagate enum change throughout
 363         function.
 364         * function.h (direction): Delete.
 365         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
 366         of direction.
 367         * function.c (assign_parm_find_stack_rtl): Likewise.
 368         (assign_parm_setup_block_p): Likewise.
 369         (assign_parm_setup_block): Likewise.
 370         (gimplify_parameters): Likewise.
 371         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
 372         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
 373         function.
 374         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
 375         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
 376         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
 377         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
 378         (aarch64_function_arg_padding): ...this new function.
 379         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
 380         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 381         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
 382         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
 383         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
 384         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 385         (arm_pad_arg_upward): Replace with...
 386         (arm_function_arg_padding): ...this new function.
 387         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
 388         of direction.
 389         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
 390         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
 391         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 392         (ia64_hpux_function_arg_padding): Replace with...
 393         (ia64_function_arg_padding): ...this new function.  Use pad_direction
 394         instead of direction.  Check for TARGET_HPUX.
 395         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
 396         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 397         (iq2000_function_arg_padding): New function.
 398         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
 399         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
 400         (mips_function_arg_padding): ...this new function.
 401         (mips_pad_reg_upward): Update accordingly.
 402         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 403         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
 404         targetm.calls.function_arg_padding.
 405         (FUNCTION_ARG_PADDING): Delete.
 406         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
 407         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
 408         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
 409         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
 410         (nios2_block_reg_padding): Return pad_direction instead of direction.
 411         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
 412         instead of direction.
 413         (nios2_function_arg_padding): Likewise.  Make static.
 414         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 415         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
 416         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
 417         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
 418         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 419         (pa_function_arg_padding): Make static.  Return pad_direction instead
 420         of direction.
 421         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
 422         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
 423         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
 424         instead of direction.  Use targetm.calls.function_arg_padding.
 425         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
 426         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
 427         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
 428         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
 429         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
 430         Redefine.
 431         (function_arg_padding): Rename to...
 432         (rs6000_function_arg_padding): ...this.  Make static.  Return
 433         pad_direction instead of direction.
 434         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
 435         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
 436         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
 437         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
 438         instead of direction.  Use targetm.calls.function_arg_padding.
 439         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
 440         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
 441         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
 442         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
 443         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 444         (function_arg_padding): Rename to...
 445         (rs6000_function_arg_padding): ...this.  Make static.  Return
 446         pad_direction instead of direction.
 447         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
 448         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
 449         * config/s390/s390.c (s390_function_arg_padding): New function.
 450         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 451         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
 452         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
 453         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
 454         (function_arg_padding): Rename to...
 455         (sparc_function_arg_padding): ...this.  Make static.  Return
 456         pad_direction instead of direction.
 457         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
 458         * config/spu/spu.c (spu_function_arg_padding): New function.
 459         (TARGET_FUNCTION_ARG_PADDING): Redefine.
 460         * system.h (FUNCTION_ARG_PADDING): Poison.
 461
 462 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 463             Alan Hayward  <alan.hayward@arm.com>
 464             David Sherwood  <david.sherwood@arm.com>
 465
 466         * target.def (modes_tieable_p): New hook.
 467         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
 468         (TARGET_MODES_TIEABLE_P): ...this.
 469         * doc/tm.texi.in: Regenerate.
 470         * hooks.h (hook_bool_mode_mode_true): Declare.
 471         * hooks.c (hook_bool_mode_mode_true): New function.
 472         * combine.c (subst): Use targetm.modes_tieable_p instead of
 473         MODES_TIEABLE_P.
 474         * dse.c (find_shift_sequence): Likewise.
 475         * expmed.c (extract_low_bits): Likewise.
 476         * lower-subreg.c: Include target.h.
 477         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
 478         MODES_TIEABLE_P.
 479         * rtlanal.c (rtx_cost): Likewise.
 480         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
 481         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
 482         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
 483         (TARGET_MODES_TIEABLE_P): Redefine.
 484         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
 485         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
 486         (TARGET_MODES_TIEABLE_P): Redefine.
 487         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
 488         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
 489         (arc_modes_tieable_p): New function.
 490         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
 491         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
 492         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
 493         (arm_modes_tieable_p): Make static.
 494         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
 495         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
 496         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
 497         (TARGET_MODES_TIEABLE_P): Redefine.
 498         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
 499         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
 500         (TARGET_MODES_TIEABLE_P): Redefine.
 501         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
 502         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
 503         (cr16_modes_tieable_p): New function.
 504         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
 505         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
 506         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
 507         (TRULY_NOOP_TRUNCATION): Update comment.
 508         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
 509         (TRULY_NOOP_TRUNCATION): Update comment.
 510         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
 511         (frv_modes_tieable_p): New function.
 512         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
 513         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
 514         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
 515         (TARGET_MODES_TIEABLE_P): Redefine.
 516         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
 517         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
 518         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
 519         (TARGET_MODES_TIEABLE_P): Redefine.
 520         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
 521         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
 522         (ia64_modes_tieable_p): New function.
 523         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
 524         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
 525         (iq2000_modes_tieable_p): New function.
 526         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
 527         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
 528         (lm32_modes_tieable_p): New function.
 529         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
 530         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
 531         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
 532         (TARGET_MODES_TIEABLE_P): Redefine.
 533         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
 534         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
 535         (m32r_modes_tieable_p): New function.
 536         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
 537         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
 538         (m68k_modes_tieable_p): New function.
 539         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
 540         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
 541         (mcore_modes_tieable_p): New function.
 542         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
 543         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
 544         function.
 545         (TARGET_MODES_TIEABLE_P): Redefine.
 546         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
 547         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
 548         * config/mips/mips.c (mips_modes_tieable_p): Make static.
 549         (TARGET_MODES_TIEABLE_P): Redefine.
 550         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
 551         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
 552         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
 553         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
 554         (mn10300_modes_tieable_p): ...this and make static.
 555         (TARGET_MODES_TIEABLE_P): Redefine.
 556         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
 557         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
 558         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
 559         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
 560         (msp430_modes_tieable_p): Make static.
 561         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
 562         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
 563         (TARGET_MODES_TIEABLE_P): Redefine.
 564         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
 565         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
 566         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
 567         (TARGET_MODES_TIEABLE_P): Redefine.
 568         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
 569         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
 570         * config/pa/pa.c (pa_modes_tieable_p): Make static.
 571         (TARGET_MODES_TIEABLE_P): Redefine.
 572         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
 573         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
 574         (pdp11_modes_tieable_p): New function.
 575         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
 576         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
 577         (rs6000_modes_tieable_p): New function.
 578         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
 579         * config/powerpcspe/powerpcspe.md: Update comment.
 580         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
 581         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
 582         (TARGET_MODES_TIEABLE_P): Redefine.
 583         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
 584         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
 585         (rl78_modes_tieable_p): New function.
 586         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
 587         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
 588         (rs6000_modes_tieable_p): New function.
 589         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
 590         * config/rs6000/rs6000.md: Update comment.
 591         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
 592         * config/rx/rx.c (rx_modes_tieable_p): New function.
 593         (TARGET_MODES_TIEABLE_P): Redefine.
 594         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
 595         * config/s390/s390.c (s390_modes_tieable_p): New function.
 596         (TARGET_MODES_TIEABLE_P): Redefine.
 597         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
 598         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
 599         (sh_modes_tieable_p): New function.
 600         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
 601         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
 602         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
 603         (sparc_modes_tieable_p): Make static.
 604         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
 605         * config/spu/spu.c (spu_modes_tieable_p): New function.
 606         (TARGET_MODES_TIEABLE_P): Redefine.
 607         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
 608         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
 609         (TARGET_MODES_TIEABLE_P): Redefine.
 610         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
 611         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
 612         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
 613         * config/v850/v850.c (v850_modes_tieable_p): New function.
 614         (TARGET_MODES_TIEABLE_P): Redefine.
 615         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
 616         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
 617         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
 618         (visium_modes_tieable_p): New function.
 619         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
 620         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
 621         (xtensa_modes_tieable_p): New function.
 622         * system.h (MODES_TIEABLE_P): Poison.
 623
 624 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 625             Alan Hayward  <alan.hayward@arm.com>
 626             David Sherwood  <david.sherwood@arm.com>
 627
 628         * target.def (hard_regno_mode_ok): New hook.
 629         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
 630         (TARGET_HARD_REGNO_MODE_OK): ...this.
 631         * doc/tm.texi.in: Regenerate.
 632         * hooks.h (hook_bool_uint_mode_true): Declare.
 633         * hooks.c (hook_bool_uint_mode_true): New function.
 634         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
 635         HARD_REGNO_MODE_OK.
 636         * genpreds.c (write_insn_preds_c): Add an include of target.h.
 637         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
 638         instead of HARD_REGNO_MODE_OK.
 639         * caller-save.c: Include target.h.
 640         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
 641         HARD_REGNO_MODE_OK.
 642         * combine.c (can_combine_p): Likewise.
 643         (combinable_i3pat): Likewise.
 644         (can_change_dest_mode): Likewise.
 645         * expr.c (init_expr_target): Likewise.
 646         (convert_move): Likewise.
 647         (convert_modes): Likewise.
 648         * ira.c (setup_prohibited_class_mode_regs): Likewise.
 649         (setup_prohibited_mode_move_regs): Likewise.
 650         * ira.h (target_ira): Likewise.
 651         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 652         * lra-constraints.c (process_alt_operands): Likewise.
 653         (split_reg): Likewise.
 654         * recog.c (peep2_find_free_register): Likewise.
 655         * ree.c (combine_reaching_defs): Likewise.
 656         * regcprop.c (maybe_mode_change): Likewise.
 657         * reginfo.c (init_reg_sets_1): Likewise.
 658         (choose_hard_reg_mode): Likewise.
 659         (simplifiable_subregs): Likewise.
 660         * regrename.c (check_new_reg_p): Likewise.
 661         * reload.c (find_valid_class): Likewise.
 662         (find_valid_class_1): Likewise.
 663         (reload_inner_reg_of_subreg): Likewise.
 664         (push_reload): Likewise.
 665         (combine_reloads): Likewise.
 666         (find_dummy_reload): Likewise.
 667         (find_reloads): Likewise.
 668         * reload1.c (find_reg): Likewise.
 669         (set_reload_reg): Likewise.
 670         (allocate_reload_reg): Likewise.
 671         (choose_reload_regs): Likewise.
 672         (reload_adjust_reg_for_temp): Likewise.
 673         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
 674         (simplify_subreg_regno): Likewise.
 675         * sel-sched.c (init_regs_for_mode): Likewise.
 676         * varasm.c (make_decl_rtl): Likewise.
 677         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
 678         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
 679         HARD_REGNO_MODE_OK.
 680         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
 681         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
 682         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 683         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
 684         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
 685         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 686         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
 687         (arc_mode_class): Delete.
 688         (HARD_REGNO_MODE_OK): Delete.
 689         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 690         (arc_hard_regno_mode_ok): Rename old array to...
 691         (arc_hard_regno_mode_ok_modes): ...this.
 692         (arc_conditional_register_usage): Update accordingly.
 693         (arc_mode_class): Make static.
 694         (arc_hard_regno_mode_ok): New function.
 695         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
 696         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
 697         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 698         (arm_hard_regno_mode_ok): Make static.
 699         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
 700         HARD_REGNO_MODE_OK.
 701         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
 702         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
 703         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
 704         return a bool.
 705         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 706         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
 707         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
 708         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
 709         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
 710         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 711         * config/bfin/predicates.md (valid_reg_operand): Use
 712         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
 713         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
 714         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
 715         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 716         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
 717         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
 718         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 719         (cr16_hard_regno_mode_ok): Make static and return a bool.
 720         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
 721         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 722         (cris_hard_regno_mode_ok): New function.
 723         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
 724         (epiphany_mode_class): Delete.
 725         (HARD_REGNO_MODE_OK): Delete.
 726         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
 727         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 728         (hard_regno_mode_ok): Rename to...
 729         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
 730         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
 731         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
 732         HARD_REGNO_MODE_OK.
 733         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
 734         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
 735         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 736         (frv_hard_regno_mode_ok): Make static and return a bool.
 737         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
 738         HARD_REGNO_MODE_OK.
 739         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
 740         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
 741         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
 742         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
 743         and return a bool.
 744         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 745         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
 746         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
 747         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
 748         return a bool.
 749         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 750         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
 751         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 752         (ia64_hard_regno_mode_ok): New function.
 753         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
 754         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 755         (iq2000_hard_regno_mode_ok): New function.
 756         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
 757         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 758         (lm32_hard_regno_mode_ok): New function.
 759         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
 760         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
 761         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
 762         instead of HARD_REGNO_MODE_OK.
 763         (m32c_hard_regno_ok): Rename to...
 764         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
 765         (m32c_cannot_change_mode_class): Update accordingly.
 766         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 767         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
 768         (m32r_mode_class): Delete.
 769         (HARD_REGNO_MODE_OK): Delete.
 770         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 771         (m32r_hard_regno_mode_ok): Rename to...
 772         (m32r_hard_regno_modes): ...this.
 773         (m32r_mode_class): Make static.
 774         (m32r_hard_regno_mode_ok): New function.
 775         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
 776         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
 777         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 778         (m68k_hard_regno_mode_ok): Make static.
 779         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
 780         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 781         (mcore_hard_regno_mode_ok): New function.
 782         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
 783         (HARD_REGNO_MODE_OK): Delete.
 784         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
 785         Rename to...
 786         (microblaze_hard_regno_mode_ok_p): ...this and make static.
 787         (microblaze_hard_regno_mode_ok): New function.
 788         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 789         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
 790         (mips_hard_regno_mode_ok): Delete.
 791         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
 792         (mips_hard_regno_mode_ok_p): ...this and make static.
 793         (mips_hard_regno_mode_ok_p): Rename to...
 794         (mips_hard_regno_mode_ok_uncached): ...this.
 795         (mips_hard_regno_mode_ok): New function.
 796         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
 797         of HARD_REGNO_MODE_OK.
 798         (mips_option_override): Update after above name changes.
 799         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 800         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
 801         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
 802         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
 803         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
 804         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 805         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
 806         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
 807         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
 808         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 809         (msp430_hard_regno_mode_ok): Make static and return a bool.
 810         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
 811         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
 812         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
 813         and return a bool.
 814         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 815         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
 816         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
 817         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
 818         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
 819         (PA_HARD_REGNO_MODE_OK): ...this
 820         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
 821         (PA_HARD_REGNO_MODE_OK): ...this.
 822         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 823         (pa_hard_regno_mode_ok): New function.
 824         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
 825         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 826         (pdp11_hard_regno_mode_ok): New function.
 827         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
 828         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
 829         Delete.
 830         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
 831         Make static.
 832         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 833         (rs6000_hard_regno_mode_ok): Rename to...
 834         (rs6000_hard_regno_mode_ok_uncached): ...this.
 835         (rs6000_init_hard_regno_mode_ok): Update accordingly.
 836         (rs6000_hard_regno_mode_ok): New function.
 837         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
 838         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
 839         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
 840         (riscv_hard_regno_mode_ok): ...this and make static.
 841         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 842         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
 843         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
 844         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 845         (rl78_hard_regno_mode_ok): Make static and return bool.
 846         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
 847         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
 848         Delete.
 849         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
 850         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 851         (rs6000_hard_regno_mode_ok): Rename to...
 852         (rs6000_hard_regno_mode_ok_uncached): ...this.
 853         (rs6000_init_hard_regno_mode_ok): Update accordingly.
 854         (rs6000_hard_regno_mode_ok): New function.
 855         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
 856         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
 857         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 858         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
 859         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
 860         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
 861         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 862         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
 863         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
 864         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 865         (sh_hard_regno_mode_ok): Make static.
 866         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
 867         instead of HARD_REGNO_MODE_OK.
 868         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
 869         (sparc_mode_class): Delete.
 870         (HARD_REGNO_MODE_OK): Delete.
 871         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 872         (hard_regno_mode_classes): Make static.
 873         (sparc_mode_class): Likewise.
 874         (sparc_hard_regno_mode_ok): New function.
 875         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
 876         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
 877         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
 878         function.
 879         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 880         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
 881         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
 882         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
 883         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
 884         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 885         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
 886         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
 887         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
 888         (visium_hard_regno_mode_ok): New function.
 889         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
 890         instead of HARD_REGNO_MODE_OK.
 891         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
 892         (HARD_REGNO_MODE_OK): Delete.
 893         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
 894         (xtensa_hard_regno_mode_ok_p): ...this and make static.
 895         (xtensa_option_override): Update accordingly.
 896         (TARGET_HARD_REGNO_MODE_OK): Redefine.
 897         (xtensa_hard_regno_mode_ok): New function.
 898         * system.h (HARD_REGNO_MODE_OK): Poison.
 899
 900 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 901             Alan Hayward  <alan.hayward@arm.com>
 902             David Sherwood  <david.sherwood@arm.com>
 903
 904         * target.def (hard_regno_call_part_clobbered): New hook.
 905         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
 906         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
 907         * doc/tm.texi: Regenerate.
 908         * hooks.h (hook_bool_uint_mode_false): Declare.
 909         * hooks.c (hook_bool_uint_mode_false): New function.
 910         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 911         * cselib.c (cselib_process_insn): Use
 912         targetm.hard_regno_call_part_clobbered instead of
 913         HARD_REGNO_CALL_PART_CLOBBERED.
 914         * ira-conflicts.c (ira_build_conflicts): Likewise.
 915         * ira-costs.c (ira_tune_allocno_costs): Likewise.
 916         * lra-constraints.c (need_for_call_save_p): Likewise.
 917         * lra-lives.c: Include target.h.
 918         (check_pseudos_live_through_calls): Use
 919         targetm.hard_regno_call_part_clobbered instead of
 920         HARD_REGNO_CALL_PART_CLOBBERED.
 921         * regcprop.c: Include target.h.
 922         (copyprop_hardreg_forward_1): Use
 923         targetm.hard_regno_call_part_clobbered instead of
 924         HARD_REGNO_CALL_PART_CLOBBERED.
 925         * reginfo.c (choose_hard_reg_mode): Likewise.
 926         * regrename.c (check_new_reg_p): Likewise.
 927         * reload.c (find_equiv_reg): Likewise.
 928         * reload1.c (emit_reload_insns): Likewise.
 929         * sched-deps.c (deps_analyze_insn): Likewise.
 930         * sel-sched.c (init_regs_for_mode): Likewise.
 931         (mark_unavailable_hard_regs): Likewise.
 932         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
 933         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 934         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
 935         New function.
 936         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 937         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 938         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
 939         Delete.
 940         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
 941         and return a bool.
 942         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 943         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 944         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
 945         function.
 946         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 947         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 948         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
 949         function.
 950         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 951         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
 952         Delete.
 953         * config/powerpcspe/powerpcspe.c
 954         (rs6000_hard_regno_call_part_clobbered): New function.
 955         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 956         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 957         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
 958         New function.
 959         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 960         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 961         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
 962         function.
 963         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
 964         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
 965         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
 966
 967 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
 968             Alan Hayward  <alan.hayward@arm.com>
 969             David Sherwood  <david.sherwood@arm.com>
 970
 971         * rtl.h (subreg_memory_offset): Declare.
 972         * emit-rtl.c (subreg_memory_offset): New function.
 973         * expmed.c (store_bit_field_1): Use it.
 974         * expr.c (undefined_operand_subword_p): Likewise.
 975         * simplify-rtx.c (simplify_subreg): Likewise.
 976
 977 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
 978
 979         PR rtl-optimization/57448
 980         PR target/67458
 981         PR target/81316
 982         * optabs.c (expand_atomic_load): Place compiler memory barriers if
 983         using atomic_load pattern.
 984         (expand_atomic_store): Likewise.
 985
 986 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
 987
 988         PR sanitizer/81981
 989         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
 990         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
 991         handling.  Use replace_call_with_value with NULL instead of
 992         gsi_replace, unlink_stmt_vdef and release_defs.
 993
 994         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
 995         instead of tab.
 996
 997         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
 998
 999 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1000
1001         PR bootstrap/82045
1002         * rtl.h (emit_library_call_value_1): Declare.
1003         (emit_library_call): Replace declaration with a series of overloads.
1004         Remove the parameter count argument.
1005         (emit_library_call_value): Likewise.
1006         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
1007         with an "rtx_mode_t *".
1008         (emit_library_call_value): Delete.
1009         (emit_library_call): Likewise.
1010         * asan.c (asan_emit_stack_protection): Update calls accordingly.
1011         (asan_emit_allocas_unpoison): Likewise.
1012         * builtins.c (expand_builtin_powi): Likewise.
1013         (expand_asan_emit_allocas_unpoison): Likewise.
1014         * cfgexpand.c (expand_main_function): Likewise.
1015         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
1016         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
1017         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
1018         * config/arm/arm.c (arm_trampoline_init): Likewise.
1019         (arm_call_tls_get_addr): Likewise.
1020         (arm_expand_divmod_libfunc): Likewise.
1021         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
1022         (smulsi3_highpart): Likewise.
1023         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
1024         (c6x_expand_compare): Likewise.
1025         (c6x_expand_movmem): Likewise.
1026         * config/frv/frv.c (frv_trampoline_init): Likewise.
1027         * config/i386/i386.c (ix86_trampoline_init): Likewise.
1028         (ix86_expand_divmod_libfunc): Likewise.
1029         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1030         (ia64_expand_compare): Likewise.
1031         (ia64_profile_hook): Likewise.
1032         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
1033         (nonlocal_goto): Likewise.
1034         (restore_stack_nonlocal): Likewise.
1035         * config/m32r/m32r.c (block_move_call): Likewise.
1036         (m32r_trampoline_init): Likewise.
1037         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
1038         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
1039         (m68k_call_m68k_read_tp): Likewise.
1040         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
1041         (microblaze_expand_divide): Likewise.
1042         * config/mips/mips.h (mips_args): Likewise.
1043         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
1044         (MIPS_ICACHE_SYNC): Likewise.
1045         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
1046         (nios2_trampoline_init): Likewise.
1047         * config/pa/pa.c (hppa_tls_call): Likewise.
1048         (pa_trampoline_init): Likewise.
1049         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
1050         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
1051         (expand_strn_compare): Likewise.
1052         (rs6000_generate_compare): Likewise.
1053         (rs6000_expand_float128_convert): Likewise.
1054         (output_profile_hook): Likewise.
1055         (rs6000_trampoline_init): Likewise.
1056         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
1057         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
1058         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
1059         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1060         (rs6000_generate_compare): Likewise.
1061         (rs6000_expand_float128_convert): Likewise.
1062         (output_profile_hook): Likewise.
1063         (rs6000_trampoline_init): Likewise.
1064         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
1065         * config/sh/sh.c (sh_trampoline_init): Likewise.
1066         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
1067         (sparc_emit_float_lib_cmp): Likewise.
1068         (sparc32_initialize_trampoline): Likewise.
1069         (sparc64_initialize_trampoline): Likewise.
1070         (sparc_profile_hook): Likewise.
1071         * config/spu/spu.c (ea_load_store): Likewise.
1072         * config/spu/spu.md (floatunssidf2): Likewise.
1073         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
1074         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
1075         * config/visium/visium.c (expand_block_move_4): Likewise.
1076         (expand_block_move_2): Likewise.
1077         (expand_block_move_1): Likewise.
1078         (expand_block_set_4): Likewise.
1079         (expand_block_set_2): Likewise.
1080         (expand_block_set_1): Likewise.
1081         (visium_trampoline_init): Likewise.
1082         (visium_profile_hook): Likewise.
1083         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
1084         (xtensa_setup_frame_addresses): Likewise.
1085         (xtensa_trampoline_init): Likewise.
1086         * except.c (sjlj_emit_function_enter): Likewise.
1087         (sjlj_emit_function_exit): Likewise.
1088         * explow.c (allocate_dynamic_stack_space): Likewise.
1089         (probe_stack_range): Likewise.
1090         * expr.c (convert_mode_scalar): Likewise.
1091         * optabs.c (expand_binop): Likewise.
1092         (expand_twoval_binop_libfunc): Likewise.
1093         (expand_unop): Likewise.
1094         (prepare_cmp_insn): Likewise.
1095         (prepare_float_lib_cmp): Likewise.
1096         (expand_float): Likewise.
1097         (expand_fix): Likewise.
1098         (expand_fixed_convert): Likewise.
1099         (maybe_emit_sync_lock_test_and_set): Likewise.
1100         (expand_atomic_compare_and_swap): Likewise.
1101         (expand_mem_thread_fence): Likewise.
1102         (expand_atomic_fetch_op): Likewise.
1103
1104 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
1105
1106         * doc/generic.texi (OpenACC): Adjust URL.
1107         * doc/invoke.texi (C Dialect Options): Ditto.
1108
1109 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
1110
1111         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
1112         predicate for operand 1.  Add (m,<S>) constraint.
1113         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
1114         Prevent memory operand 1 with register operand 2.
1115
1116 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
1117
1118         PR rtl-optimization/82024
1119         * combine.c (try_combine): If the combination result is a PARALLEL,
1120         and we only need to retain the SET in there that would be placed
1121         at I2, check that we can place that at I3 instead, before doing so.
1122
1123 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
1124
1125         PR target/81766
1126         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
1127         instead of void.
1128         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
1129         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
1130         and label.
1131
1132 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
1133             Jeff Law  <law@redhat.com>
1134
1135         * varasm.c (bss_initializer_p): Do not put constants into .bss
1136         (categorize_decl_for_section): Handle bss_initializer_p returning
1137         false when DECL_INITIAL is NULL.
1138
1139 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1140
1141         PR target/82012
1142         * config/s390/s390.c (s390_can_inline_p): New function.
1143
1144 2017-09-01  Jeff Law  <law@redhat.com>
1145
1146         PR tree-optimization/82052
1147         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
1148         Always initialize the returned slot after a hash table miss
1149         when INSERT is true.
1150
1151 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
1152
1153         * config/s390/s390.md (mem_signal_fence): Remove.
1154         * doc/md.texi (mem_signal_fence): Remove.
1155         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
1156         Update comments.
1157         * target-insns.def (mem_signal_fence): Remove.
1158
1159 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
1160
1161         PR sanitizer/81902
1162         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
1163
1164         PR sanitizer/81923
1165         * asan.c (create_odr_indicator): Strip name encoding from assembler
1166         name before appending it after __odr_asan_.
1167
1168 2017-09-01  Martin Liska  <mliska@suse.cz>
1169
1170         PR tree-optimization/82059
1171         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
1172         frequency only when an edge is redirected.
1173
1174 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1175
1176         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
1177         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
1178         (arc_conditional_register_usage): Remove ARC600 lp_count
1179         exception.
1180         (arc_file_start): Emit Tag_ARC_CPU_variation.
1181         (arc_can_use_doloop_p): New conditions to use ZOLs.
1182         (hwloop_fail): New function.
1183         (hwloop_optimize): Likewise.
1184         (hwloop_pattern_reg): Likewise.
1185         (arc_doloop_hooks): New struct, to be used with reorg_loops.
1186         (arc_reorg_loops): New function, calls reorg_loops.
1187         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
1188         (arc600_corereg_hazard): Remove ZOL checking, case handled by
1189         hwloop_optimize.
1190         (arc_loop_hazard): Remove function, functionality moved into
1191         hwloop_optimize.
1192         (arc_hazard): Remove arc_loop_hazard call.
1193         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
1194         into hwloop_optimize.
1195         (arc_label_align): Remove ZOL handling.
1196         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
1197         * config/arc/arc.md (doloop_begin): Remove pattern.
1198         (doloop_begin_i): Likewise.
1199         (doloop_end_i): Likewise.
1200         (doloop_fallback): Likewise.
1201         (doloop_fallback_m): Likewise.
1202         (doloop_end): Reimplement expand.
1203         (arc_lp): New pattern for LP instruction.
1204         (loop_end): New pattern.
1205         (loop_fail): Likewise.
1206         (decrement_and_branch_until_zero): Likewise.
1207         * config/arc/arc.opt (mlpc-width): New option.
1208         * doc/invoke.texi (mlpc-width): Document option.
1209
1210 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1211
1212         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
1213         (arc_ccfsm_advance): Fix checking for delay slots.
1214         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
1215
1216 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1217
1218         * config/arc/arc.md (movqi_insn): Add stores to save constant long
1219         immediates.
1220         (movhi_insn): Update store instruction constraint which are saving
1221         6-bit short immediates.
1222         (movsi_insn): Consider also short scaled load operations.
1223         (zero_extendhisi2_i): Use Usd constraint instead of T.
1224         (extendhisi2_i): Add q constraint.
1225         (arc_clzsi2): Add type and length attributes.
1226         (arc_ctzsi2): Likewise.
1227         * config/arc/constraints.md (Usc): Update constraint, the
1228         assembler can parse two relocations for a single instruction.
1229
1230 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
1231
1232         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
1233         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
1234
1235 2017-08-31  Olivier Hainque  <hainque@adacore.com>
1236
1237         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
1238         match as powerpc-wrs-vxworks*.
1239
1240 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
1241
1242         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
1243         register constraint for by-element operand.
1244         (aarch64_mls_elt_merge<mode>): Likewise.
1245
1246 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1247
1248         * config/arc/arc.c (arc_can_follow_jump): Check for short
1249         branches.
1250
1251 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1252
1253         * config.gcc: Use g.opt for arc.
1254         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
1255         functionality moved to ...
1256         (legitimate_scaled_address_p): New function, ...here.
1257         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
1258         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
1259         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
1260         condition.
1261         (arc_override_options): Handle G option.
1262         (arc_output_pic_addr_const): Correct function definition.
1263         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
1264         (arc_decl_anon_ns_mem_p): Delete.
1265         (arc_in_small_data_p): Overhaul this function to take into
1266         consideration the value given via G option.
1267         (arc_rewrite_small_data_1): Renamed and corrected old
1268         arc_rewrite_small_data function.
1269         (arc_rewrite_small_data): New function.
1270         (small_data_pattern): Don't use pic_offset_table_rtx.
1271         * config/arc/arc.h (CC1_SPEC): Recognize G option.
1272         * config/arc/simdext.md (movmisalignv2hi): Use
1273         prepare_move_operands function.
1274         (mov*): Likewise.
1275         (movmisalign*): Likewise.
1276         * doc/invoke.texi (ARC options): Document -G option.
1277
1278 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
1279
1280         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
1281         prototype.
1282         * config/arc/arc.c (arc_print_operand): Output scalled address for
1283         sdata whenever is possible.
1284         (arc_in_small_data_p): Allow sdata for 64bit datum when double
1285         load/stores are available.
1286         (compact_sda_memory_operand): Check for the alignment required by
1287         code density instructions.
1288         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
1289         constraint.
1290         * config/arc/constraints.md (Usd): Update constraint.
1291         (Us0): New constraint.
1292         (Usc): Update constraint.
1293
1294 2017-08-31  Richard Biener  <rguenther@suse.de>
1295
1296         PR middle-end/82054
1297         * dwarf2out.c (dwarf2out_early_global_decl): Process each
1298         function only once.
1299
1300 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
1301
1302         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
1303         Resize type_signature.
1304
1305 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
1306             Alan Hayward  <alan.hayward@arm.com>
1307             David Sherwood  <david.sherwood@arm.com>
1308
1309         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
1310         subregs whose inner modes can be stored in GPRs.
1311         (aarch64_classify_index): Likewise.
1312
1313 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
1314             Alan Hayward  <alan.hayward@arm.com>
1315             David Sherwood  <david.sherwood@arm.com>
1316
1317         * config/aarch64/iterators.md (V_cmp_result): Rename to...
1318         (V_INT_EQUIV): ...this.
1319         (v_cmp_result): Rename to...
1320         (v_int_equiv): ...this.
1321         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
1322         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
1323         (copysign<mode>3): Likewise.
1324         (aarch64_simd_bsl<mode>_internal): Likewise.
1325         (aarch64_simd_bsl<mode>): Likewise.
1326         (vec_cmp<mode><mode>): Likewise.
1327         (vcond<mode><mode>): Likewise.
1328         (vcond<v_cmp_mixed><mode>): Likewise.
1329         (vcondu<mode><v_cmp_mixed>): Likewise.
1330         (aarch64_cm<optab><mode>): Likewise.
1331         (aarch64_cmtst<mode>): Likewise.
1332         (aarch64_fac<optab><mode>): Likewise.
1333         (vec_perm_const<mode>): Likewise.
1334         (vcond_mask_<mode><v_cmp_result>): Rename to...
1335         (vcond_mask_<mode><v_int_equiv>): ...this.
1336         (vec_cmp<mode><v_cmp_result>): Rename to...
1337         (vec_cmp<mode><v_int_equiv>): ...this.
1338
1339 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
1340             Alan Hayward  <alan.hayward@arm.com>
1341             David Sherwood  <david.sherwood@arm.com>
1342
1343         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
1344         vector modes.
1345         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
1346         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
1347         (UNSPEC_LD4_DREG): New unspecs.
1348         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
1349         (aarch64_ld2<mode>_dreg_be): Replace with...
1350         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
1351         unspec.
1352         (aarch64_ld3<mode>_dreg_le)
1353         (aarch64_ld3<mode>_dreg_be): Replace with...
1354         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
1355         unspec.
1356         (aarch64_ld4<mode>_dreg_le)
1357         (aarch64_ld4<mode>_dreg_be): Replace with...
1358         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
1359         unspec.
1360
1361 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1362
1363         PR tree-optimization/81987
1364         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
1365         insert an initializer in a location not dominated by the stride
1366         definition.
1367
1368 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
1369
1370         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
1371         on the entire header of the finally block in the fallthru case.
1372
1373 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
1374
1375         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
1376
1377 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
1378
1379         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
1380         rs6000_emit_move_from_cr and call renamed function.
1381         (rs6000_emit_prologue): Call renamed functions.
1382         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
1383         movesi_from_cr, remove volatile CRs.
1384
1385 2017-08-30  Jon Beniston  <jon@beniston.com>
1386             Richard Biener  <rguenther@suse.de>
1387
1388         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
1389         of VECTOR_MODE_P check.
1390         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
1391         element vector types.
1392
1393 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1394
1395         * df.h (df_read_modify_subreg_p): Remove in favor of...
1396         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
1397         const_rtx instead of an rtx.
1398         * cprop.c (local_cprop_find_used_regs): Update accordingly.
1399         * df-problems.c (df_word_lr_mark_ref): Likewise.
1400         * ira-lives.c (mark_pseudo_reg_live): Likewise.
1401         (mark_pseudo_reg_dead): Likewise.
1402         (mark_ref_dead): Likewise.
1403         * reginfo.c (init_subregs_of_mode): Likewise.
1404         * sched-deps.c (sched_analyze_1): Likewise.
1405         * df-scan.c (df_def_record_1): Likewise.
1406         (df_uses_record): Likewise.
1407         (df_read_modify_subreg_p): Remove in favor of...
1408         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
1409         const_rtx instead of an rtx.
1410
1411 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1412             Alan Hayward  <alan.hayward@arm.com>
1413             David Sherwood  <david.sherwood@arm.com>
1414
1415         * rtl.h (partial_subreg_p): New function.
1416         * caller-save.c (save_call_clobbered_regs): Use it.
1417         * calls.c (expand_call): Likewise.
1418         * combine.c (combinable_i3pat): Likewise.
1419         (simplify_set): Likewise.
1420         (make_extraction): Likewise.
1421         (make_compound_operation_int): Likewise.
1422         (gen_lowpart_or_truncate): Likewise.
1423         (force_to_mode): Likewise.
1424         (make_field_assignment): Likewise.
1425         (reg_truncated_to_mode): Likewise.
1426         (record_truncated_value): Likewise.
1427         (move_deaths): Likewise.
1428         * cse.c (record_jump_cond): Likewise.
1429         (cse_insn): Likewise.
1430         * cselib.c (cselib_lookup_1): Likewise.
1431         * expmed.c (extract_bit_field_using_extv): Likewise.
1432         * function.c (assign_parm_setup_reg): Likewise.
1433         * ifcvt.c (noce_convert_multiple_sets): Likewise.
1434         * ira-build.c (create_insn_allocnos): Likewise.
1435         * lra-coalesce.c (merge_pseudos): Likewise.
1436         * lra-constraints.c (match_reload): Likewise.
1437         (simplify_operand_subreg): Likewise.
1438         (curr_insn_transform): Likewise.
1439         * lra-lives.c (process_bb_lives): Likewise.
1440         * lra.c (new_insn_reg): Likewise.
1441         (lra_substitute_pseudo): Likewise.
1442         * regcprop.c (mode_change_ok): Likewise.
1443         (maybe_mode_change): Likewise.
1444         (copyprop_hardreg_forward_1): Likewise.
1445         * reload.c (push_reload): Likewise.
1446         (find_reloads): Likewise.
1447         (find_reloads_subreg_address): Likewise.
1448         * reload1.c (alter_reg): Likewise.
1449         (eliminate_regs_1): Likewise.
1450         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
1451
1452 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
1453
1454         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
1455         back to if statements, including unpack.
1456
1457 2017-08-30  Martin Liska  <mliska@suse.cz>
1458
1459         PR inline-asm/82001
1460         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
1461         Rename to ...
1462         (func_checker::compare_asm_inputs_outputs): ... this function.
1463         (func_checker::compare_gimple_asm): Use the function to compare
1464         also ASM constrains.
1465         * ipa-icf-gimple.h: Rename the function.
1466
1467 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1468             Alan Hayward  <alan.hayward@arm.com>
1469             David Sherwood  <david.sherwood@arm.com>
1470
1471         * coretypes.h (complex_mode): New type.
1472         * gdbhooks.py (build_pretty_printer): Handle it.
1473         * machmode.h (complex_mode): New class.
1474         (complex_mode::includes_p): New function.
1475         (is_complex_int_mode): Likewise.
1476         (is_complex_float_mode): Likewise.
1477         * genmodes.c (get_mode_class): Handle complex mode classes.
1478         * function.c (expand_function_end): Use is_complex_int_mode.
1479
1480 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1481             Alan Hayward  <alan.hayward@arm.com>
1482             David Sherwood  <david.sherwood@arm.com>
1483
1484         * coretypes.h (scalar_mode_pod): New typedef.
1485         * gdbhooks.py (build_pretty_printer): Handle it.
1486         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
1487         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
1488         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
1489         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
1490         as_a <scalar_mode>.
1491
1492 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1493             Alan Hayward  <alan.hayward@arm.com>
1494             David Sherwood  <david.sherwood@arm.com>
1495
1496         * machmode.h (mode_for_vector): Take a scalar_mode instead
1497         of a machine_mode.
1498         * stor-layout.c (mode_for_vector): Likewise.
1499         * explow.c (promote_mode): Use as_a <scalar_mode>.
1500         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
1501
1502 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1503             Alan Hayward  <alan.hayward@arm.com>
1504             David Sherwood  <david.sherwood@arm.com>
1505
1506         * target.def (preferred_simd_mode): Take a scalar_mode
1507         instead of a machine_mode.
1508         * targhooks.h (default_preferred_simd_mode): Likewise.
1509         * targhooks.c (default_preferred_simd_mode): Likewise.
1510         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
1511         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
1512         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
1513         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
1514         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
1515         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
1516         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
1517         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
1518         Likewise.
1519         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
1520         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
1521         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
1522         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
1523         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
1524         * doc/tm.texi: Regenerate.
1525         * optabs-query.c (can_vec_mask_load_store_p): Return false for
1526         non-scalar modes.
1527
1528 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1529             Alan Hayward  <alan.hayward@arm.com>
1530             David Sherwood  <david.sherwood@arm.com>
1531
1532         * target.def (scalar_mode_supported_p): Take a scalar_mode
1533         instead of a machine_mode.
1534         * targhooks.h (default_scalar_mode_supported_p): Likewise.
1535         * targhooks.c (default_scalar_mode_supported_p): Likewise.
1536         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
1537         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
1538         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
1539         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
1540         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
1541         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
1542         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
1543         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
1544         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
1545         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
1546         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
1547         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
1548         Likewise.
1549         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
1550         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
1551         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
1552         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
1553         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
1554         Likewise.
1555         * doc/tm.texi: Regenerate.
1556
1557 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1558             Alan Hayward  <alan.hayward@arm.com>
1559             David Sherwood  <david.sherwood@arm.com>
1560
1561         * coretypes.h (opt_scalar_mode): New typedef.
1562         * gdbhooks.py (build_pretty_printers): Handle it.
1563         * machmode.h (mode_iterator::get_2xwider): Add overload for
1564         opt_mode<T>.
1565         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
1566         over scalar modes.
1567         * expr.c (convert_mode_scalar): Likewise.
1568         * omp-low.c (omp_clause_aligned_alignment): Likewise.
1569         * optabs.c (expand_float): Likewise.
1570         (expand_fix): Likewise.
1571         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
1572
1573 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1574             Alan Hayward  <alan.hayward@arm.com>
1575             David Sherwood  <david.sherwood@arm.com>
1576
1577         * optabs.c (expand_float): Explicitly check for scalars before
1578         using a branching expansion.
1579         (expand_fix): Likewise.
1580
1581 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1582             Alan Hayward  <alan.hayward@arm.com>
1583             David Sherwood  <david.sherwood@arm.com>
1584
1585         * expr.c (convert_mode): Split scalar handling out into...
1586         (convert_mode_scalar): ...this new function.  Treat the modes
1587         as scalar_modes.
1588
1589 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1590             Alan Hayward  <alan.hayward@arm.com>
1591             David Sherwood  <david.sherwood@arm.com>
1592
1593         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
1594         and scalar_mode.
1595         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
1596
1597 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1598             Alan Hayward  <alan.hayward@arm.com>
1599             David Sherwood  <david.sherwood@arm.com>
1600
1601         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
1602         rather than a machine_mode.
1603         (fixed_from_string): Likewise.
1604         (fixed_convert): Likewise.
1605         (fixed_convert_from_int): Likewise.
1606         (fixed_convert_from_real): Likewise.
1607         (real_convert_from_fixed): Likewise.
1608         * fixed-value.c (fixed_from_double_int): Likewise.
1609         (fixed_from_string): Likewise.
1610         (fixed_convert): Likewise.
1611         (fixed_convert_from_int): Likewise.
1612         (fixed_convert_from_real): Likewise.
1613         (real_convert_from_fixed): Likewise.
1614         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
1615
1616 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1617             Alan Hayward  <alan.hayward@arm.com>
1618             David Sherwood  <david.sherwood@arm.com>
1619
1620         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
1621         of separate mode class checks.  Do not allow vector modes here.
1622         (immed_wide_int_const): Use as_a <scalar_mode>.
1623         * explow.c (trunc_int_for_mode): Likewise.
1624         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
1625         (wi::shwi): Likewise.
1626         (wi::min_value): Likewise.
1627         (wi::max_value): Likewise.
1628         * dwarf2out.c (loc_descriptor): Likewise.
1629         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
1630         for CONST_WIDE_INT.
1631
1632 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1633             Alan Hayward  <alan.hayward@arm.com>
1634             David Sherwood  <david.sherwood@arm.com>
1635
1636         * tree.h (SCALAR_TYPE_MODE): New macro.
1637         * expr.c (expand_expr_addr_expr_1): Use it.
1638         (expand_expr_real_2): Likewise.
1639         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
1640         (fold_convert_const_fixed_from_int): Likewise.
1641         (fold_convert_const_fixed_from_real): Likewise.
1642         (native_encode_fixed): Likewise
1643         (native_encode_complex): Likewise
1644         (native_encode_vector): Likewise.
1645         (native_interpret_fixed): Likewise.
1646         (native_interpret_real): Likewise.
1647         (native_interpret_complex): Likewise.
1648         (native_interpret_vector): Likewise.
1649         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
1650         (simd_clone_adjust_argument_types): Likewise.
1651         (simd_clone_init_simd_arrays): Likewise.
1652         (simd_clone_adjust): Likewise.
1653         * stor-layout.c (layout_type): Likewise.
1654         * tree.c (build_minus_one_cst): Likewise.
1655         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
1656         * tree-inline.c (estimate_move_cost): Likewise.
1657         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
1658         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
1659         (vectorizable_reduction): Likewise.
1660         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
1661         (vect_recog_mixed_size_cond_pattern): Likewise.
1662         (check_bool_pattern): Likewise.
1663         (adjust_bool_pattern): Likewise.
1664         (search_type_for_mask_1): Likewise.
1665         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
1666         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
1667         (vectorizable_load): Likewise.
1668         (vectorizable_store): Likewise.
1669         * ubsan.c (ubsan_encode_value): Likewise.
1670         * varasm.c (output_constant): Likewise.
1671
1672 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1673             Alan Hayward  <alan.hayward@arm.com>
1674             David Sherwood  <david.sherwood@arm.com>
1675
1676         * coretypes.h (scalar_mode): New class.
1677         * machmode.h (scalar_mode): Likewise.
1678         (scalar_mode::includes_p): New function.
1679         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
1680         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
1681         * genmodes.c (get_mode_class): Handle remaining scalar modes.
1682         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
1683         * expmed.c (store_bit_field_1): Likewise.
1684         (extract_bit_field_1): Likewise.
1685         * expr.c (write_complex_part): Likewise.
1686         (read_complex_part): Likewise.
1687         (emit_move_complex_push): Likewise.
1688         (expand_expr_real_2): Likewise.
1689         * function.c (assign_parm_setup_reg): Likewise.
1690         (assign_parms_unsplit_complex): Likewise.
1691         * optabs.c (expand_binop): Likewise.
1692         * rtlanal.c (subreg_get_info): Likewise.
1693         * simplify-rtx.c (simplify_immed_subreg): Likewise.
1694         * varasm.c (output_constant_pool_2): Likewise.
1695
1696 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1697             Alan Hayward  <alan.hayward@arm.com>
1698             David Sherwood  <david.sherwood@arm.com>
1699
1700         * expmed.c (extract_high_half): Use scalar_int_mode and remove
1701         assertion.
1702         (expmed_mult_highpart_optab): Likewise.
1703         (expmed_mult_highpart): Likewise.
1704
1705 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1706             Alan Hayward  <alan.hayward@arm.com>
1707             David Sherwood  <david.sherwood@arm.com>
1708
1709         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
1710         instead of a machine_mode.
1711         (builtin_memset_read_str): Likewise.
1712         * builtins.c (c_readstr): Likewise.
1713         (builtin_memcpy_read_str): Likewise.
1714         (builtin_strncpy_read_str): Likewise.
1715         (builtin_memset_read_str): Likewise.
1716         (builtin_memset_gen_str): Likewise.
1717         (expand_builtin_signbit): Use scalar_int_mode for local variables.
1718         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
1719         instead of a machine_mode.
1720         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
1721         variables.
1722         (make_extraction): Likewise.
1723         (try_widen_shift_mode): Take and return scalar_int_modes instead
1724         of machine_modes.
1725         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
1726         a scalar_int_mode instead of a machine_mode.
1727         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
1728         (avr_addr_space_pointer_mode): Likewise.
1729         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
1730         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
1731         (msp430_unwind_word_mode): Likewise.
1732         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
1733         (spu_addr_space_pointer_mode): Likewise.
1734         (spu_addr_space_address_mode): Likewise.
1735         (spu_libgcc_cmp_return_mode): Likewise.
1736         (spu_libgcc_shift_count_mode): Likewise.
1737         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
1738         (rl78_addr_space_pointer_mode): Likewise.
1739         (fl78_unwind_word_mode): Likewise.
1740         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
1741         machine_mode.
1742         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
1743         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
1744         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
1745         (mips_valid_pointer_mode): Likewise.
1746         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
1747         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
1748         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
1749         of a machine_mode.
1750         (ft32_addr_space_address_mode): Likewise.
1751         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
1752         scalar_int_mode instead of a machine_mode.
1753         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
1754         of a machine_mode.
1755         (m32c_addr_space_address_mode): Likewise.
1756         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
1757         (rs6000_eh_return_filter_mode): Likewise.
1758         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
1759         (rs6000_eh_return_filter_mode): Likewise.
1760         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
1761         (s390_libgcc_shift_count_mode): Likewise.
1762         (s390_unwind_word_mode): Likewise.
1763         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
1764         machine_mode.
1765         * target.def (mode_rep_extended): Likewise.
1766         (valid_pointer_mode): Likewise.
1767         (addr_space.valid_pointer_mode): Likewise.
1768         (eh_return_filter_mode): Return a scalar_int_mode rather than
1769         a machine_mode.
1770         (libgcc_cmp_return_mode): Likewise.
1771         (libgcc_shift_count_mode): Likewise.
1772         (unwind_word_mode): Likewise.
1773         (addr_space.pointer_mode): Likewise.
1774         (addr_space.address_mode): Likewise.
1775         * doc/tm.texi: Regenerate.
1776         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
1777         a machine_mode.
1778         (do_jump): Use scalar_int_mode for local variables.
1779         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
1780         rather than a machine_mode.
1781         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
1782         (scompare_loc_descriptor_wide): Likewise.
1783         (scompare_loc_descriptor_narrow): Likewise.
1784         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
1785         variables.
1786         * except.c (sjlj_emit_dispatch_table): Likewise.
1787         (expand_builtin_eh_copy_values): Likewise.
1788         * explow.c (convert_memory_address_addr_space_1): Likewise.
1789         Take a scalar_int_mode rather than a machine_mode.
1790         (convert_memory_address_addr_space): Take a scalar_int_mode rather
1791         than a machine_mode.
1792         (memory_address_addr_space): Use scalar_int_mode for local variables.
1793         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
1794         rather than a machine_mode.
1795         * expmed.c (mask_rtx): Likewise.
1796         (init_expmed_one_conv): Likewise.
1797         (expand_mult_highpart_adjust): Likewise.
1798         (extract_high_half): Likewise.
1799         (expmed_mult_highpart_optab): Likewise.
1800         (expmed_mult_highpart): Likewise.
1801         (expand_smod_pow2): Likewise.
1802         (expand_sdiv_pow2): Likewise.
1803         (emit_store_flag_int): Likewise.
1804         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
1805         variables.
1806         (extract_low_bits): Likewise.
1807         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
1808         a machine_mode.
1809         * expr.c (pieces_addr::adjust):  Likewise.
1810         (can_store_by_pieces): Likewise.
1811         (store_by_pieces): Likewise.
1812         (clear_by_pieces_1): Likewise.
1813         (expand_expr_addr_expr_1): Likewise.
1814         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
1815         (expand_expr_real_1): Likewise.
1816         (try_casesi): Likewise.
1817         * final.c (shorten_branches): Likewise.
1818         * fold-const.c (fold_convert_const_int_from_fixed): Change the
1819         type of "mode" to machine_mode.
1820         * internal-fn.c (expand_arith_overflow_result_store): Take a
1821         scalar_int_mode rather than a machine_mode.
1822         (expand_mul_overflow): Use scalar_int_mode for local variables.
1823         * loop-doloop.c (doloop_modify): Likewise.
1824         (doloop_optimize): Likewise.
1825         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
1826         than a machine_mode.
1827         (expand_doubleword_shift_condmove): Likewise.
1828         (expand_doubleword_shift): Likewise.
1829         (expand_doubleword_clz): Likewise.
1830         (expand_doubleword_popcount): Likewise.
1831         (expand_doubleword_parity): Likewise.
1832         (expand_absneg_bit): Use scalar_int_mode for local variables.
1833         (prepare_float_lib_cmp): Likewise.
1834         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
1835         rather than a machine_mode.
1836         (convert_memory_address_addr_space): Likewise.
1837         (get_mode_bounds): Likewise.
1838         (get_address_mode): Return a scalar_int_mode rather than a
1839         machine_mode.
1840         * rtlanal.c (get_address_mode): Likewise.
1841         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
1842         than a machine_mode.
1843         * targhooks.c (default_mode_rep_extended): Likewise.
1844         (default_valid_pointer_mode): Likewise.
1845         (default_addr_space_valid_pointer_mode): Likewise.
1846         (default_eh_return_filter_mode): Return a scalar_int_mode rather
1847         than a machine_mode.
1848         (default_libgcc_cmp_return_mode): Likewise.
1849         (default_libgcc_shift_count_mode): Likewise.
1850         (default_unwind_word_mode): Likewise.
1851         (default_addr_space_pointer_mode): Likewise.
1852         (default_addr_space_address_mode): Likewise.
1853         * targhooks.h (default_eh_return_filter_mode): Likewise.
1854         (default_libgcc_cmp_return_mode): Likewise.
1855         (default_libgcc_shift_count_mode): Likewise.
1856         (default_unwind_word_mode): Likewise.
1857         (default_addr_space_pointer_mode): Likewise.
1858         (default_addr_space_address_mode): Likewise.
1859         (default_mode_rep_extended): Take a scalar_int_mode rather than
1860         a machine_mode.
1861         (default_valid_pointer_mode): Likewise.
1862         (default_addr_space_valid_pointer_mode): Likewise.
1863         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
1864         local variables.
1865         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
1866         rather than a machine_mode.
1867         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
1868         for local variables.
1869         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
1870         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
1871         than a machine_mode.
1872
1873 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1874             Alan Hayward  <alan.hayward@arm.com>
1875             David Sherwood  <david.sherwood@arm.com>
1876
1877         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
1878         the mode argument to scalar_int_mode.
1879         (do_jump_by_parts_zero_rtx): Likewise.
1880         (do_jump_by_parts_equality_rtx): Likewise.
1881         (do_jump_by_parts_greater): Take a mode argument.
1882         (do_jump_by_parts_equality): Likewise.
1883         (do_jump_1): Update calls accordingly.
1884
1885 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1886             Alan Hayward  <alan.hayward@arm.com>
1887             David Sherwood  <david.sherwood@arm.com>
1888
1889         * is-a.h (safe_dyn_cast): New function.
1890         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
1891         (jump_table_for_label): Likewise.
1892         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
1893         instead of an rtx_insn *.
1894         (shorten_branches): Use dyn_cast instead of LABEL_P and
1895         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
1896         rtx_jump_table_data::get_data_mode.
1897         (final_scan_insn): Likewise.
1898
1899 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1900             Alan Hayward  <alan.hayward@arm.com>
1901             David Sherwood  <david.sherwood@arm.com>
1902
1903         * combine.c (try_combine): Use is_a <scalar_int_mode> when
1904         trying to combine a full-register integer set with a subreg
1905         integer set.
1906
1907 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1908             Alan Hayward  <alan.hayward@arm.com>
1909             David Sherwood  <david.sherwood@arm.com>
1910
1911         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
1912         that is always either address_mode or pointer_mode.
1913
1914 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1915             Alan Hayward  <alan.hayward@arm.com>
1916             David Sherwood  <david.sherwood@arm.com>
1917
1918         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
1919         when the two are known to be equal.
1920
1921 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1922             Alan Hayward  <alan.hayward@arm.com>
1923             David Sherwood  <david.sherwood@arm.com>
1924
1925         * simplify-rtx.c (simplify_const_unary_operation): Use
1926         is_a <scalar_int_mode> instead of checking for a nonzero
1927         precision.  Forcibly convert op_mode to a scalar_int_mode
1928         in that case.  More clearly differentiate the operand and
1929         result modes and use the former when deciding what the value
1930         of a count-bits operation should be.  Use is_int_mode instead
1931         of checking for a MODE_INT.  Remove redundant check for whether
1932         this mode has a zero precision.
1933
1934 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1935             Alan Hayward  <alan.hayward@arm.com>
1936             David Sherwood  <david.sherwood@arm.com>
1937
1938         * optabs.c (widen_leading): Change the type of the mode argument
1939         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
1940         (widen_bswap): Likewise.
1941         (expand_parity): Likewise.
1942         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
1943         (expand_ffs): Likewise.
1944         (epand_unop): Check for scalar integer modes before calling the
1945         above routines.
1946
1947 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1948             Alan Hayward  <alan.hayward@arm.com>
1949             David Sherwood  <david.sherwood@arm.com>
1950
1951         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
1952         Expand commentary.
1953         (expand_expr_real_1): Update call accordingly.
1954
1955 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1956             Alan Hayward  <alan.hayward@arm.com>
1957             David Sherwood  <david.sherwood@arm.com>
1958
1959         * expmed.c (store_bit_field_using_insv): Add op0_mode and
1960         value_mode arguments.  Use scalar_int_mode internally.
1961         (store_bit_field_1): Rename the new integer mode from imode
1962         to op0_mode and use it instead of GET_MODE (op0).  Update calls
1963         to store_split_bit_field, store_bit_field_using_insv and
1964         store_fixed_bit_field.
1965         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
1966         Use scalar_int_mode internally.  Use a bit count rather than a mode
1967         when calculating the largest bit size for get_best_mode.
1968         Update calls to store_split_bit_field and store_fixed_bit_field_1.
1969         (store_fixed_bit_field_1): Add mode and value_mode arguments.
1970         Remove assertion that OP0 has a scalar integer mode.
1971         (store_split_bit_field): Add op0_mode and value_mode arguments.
1972         Update calls to extract_fixed_bit_field.
1973         (extract_bit_field_using_extv): Add an op0_mode argument.
1974         Use scalar_int_mode internally.
1975         (extract_bit_field_1): Rename the new integer mode from imode to
1976         op0_mode and use it instead of GET_MODE (op0).  Update calls to
1977         extract_split_bit_field, extract_bit_field_using_extv and
1978         extract_fixed_bit_field.
1979         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
1980         to extract_split_bit_field and extract_fixed_bit_field_1.
1981         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
1982         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
1983         on the target mode.
1984         (extract_split_bit_field): Add an op0_mode argument.  Update call
1985         to extract_fixed_bit_field.
1986
1987 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1988             Alan Hayward  <alan.hayward@arm.com>
1989             David Sherwood  <david.sherwood@arm.com>
1990
1991         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
1992         * explow.c (hard_function_value): Likewise.
1993         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
1994         convert_to_mode call outside the loop.
1995         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
1996         for the mode iterator.  Require the mode specified by max_pieces
1997         to exist.
1998         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
1999         mode iterator.
2000         (copy_blkmode_to_reg): Likewise.
2001         (set_storage_via_setmem): Likewise.
2002         * optabs.c (prepare_cmp_insn): Likewise.
2003         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2004         * stor-layout.c (finish_bitfield_representative): Likewise.
2005
2006 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2007             Alan Hayward  <alan.hayward@arm.com>
2008             David Sherwood  <david.sherwood@arm.com>
2009
2010         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
2011         * expr.c (convert_move): Use them.
2012         (convert_modes): Likewise.
2013         (store_expr_with_bounds): Likewise.
2014
2015 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2016             Alan Hayward  <alan.hayward@arm.com>
2017             David Sherwood  <david.sherwood@arm.com>
2018
2019         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
2020         parameter for the mode of "x".  Remove the "known_x", "known_mode"
2021         and "known_ret" arguments.  Change the type of the mode argument
2022         to scalar_int_mode.
2023         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
2024         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
2025         (reg_num_sign_bit_copies_for_combine): Likewise.
2026         * rtlanal.c (nonzero_bits1): Likewise.
2027         (num_sign_bit_copies1): Likewise.
2028         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
2029         (reg_num_sign_bit_copies_general): Likewise.
2030         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
2031         (reg_nonzero_bits_general): Likewise.
2032
2033 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2034             Alan Hayward  <alan.hayward@arm.com>
2035             David Sherwood  <david.sherwood@arm.com>
2036
2037         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
2038         than in subroutines.  Return 1 for non-integer modes.
2039         (cached_num_sign_bit_copies): Change the type of the mode parameter
2040         to scalar_int_mode.
2041         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
2042         classes.  Handle CONST_INT_P first and then check whether X also
2043         has a scalar integer mode.  Check the same thing for inner registers
2044         of a SUBREG and for values that are being extended or truncated.
2045
2046 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2047             Alan Hayward  <alan.hayward@arm.com>
2048             David Sherwood  <david.sherwood@arm.com>
2049
2050         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
2051         in subroutines.  Return the mode mask for non-integer modes.
2052         (cached_nonzero_bits): Change the type of the mode parameter
2053         to scalar_int_mode.
2054         (nonzero_bits1): Likewise.  Remove early exit for other mode
2055         classes.  Handle CONST_INT_P first and then check whether X
2056         also has a scalar integer mode.
2057
2058 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2059             Alan Hayward  <alan.hayward@arm.com>
2060             David Sherwood  <david.sherwood@arm.com>
2061
2062         * expr.c (widest_int_mode_for_size): Make the comment match the code.
2063         Return a scalar_int_mode and assert that the size is greater than
2064         one byte.
2065         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
2066         (op_by_pieces_d::op_by_pieces_d): Likewise.
2067         (op_by_pieces_d::run): Likewise.
2068         (can_store_by_pieces): Likewise.
2069
2070 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2071             Alan Hayward  <alan.hayward@arm.com>
2072             David Sherwood  <david.sherwood@arm.com>
2073
2074         * combine.c (extract_left_shift): Add a mode argument and update
2075         recursive calls.
2076         (make_compound_operation_int): Change the type of the mode parameter
2077         to scalar_int_mode and update the call to extract_left_shift.
2078
2079 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2080             Alan Hayward  <alan.hayward@arm.com>
2081             David Sherwood  <david.sherwood@arm.com>
2082
2083         * combine.c (simplify_and_const_int): Change the type of the mode
2084         parameter to scalar_int_mode.
2085         (simplify_and_const_int_1): Likewise.  Update recursive call.
2086
2087 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2088             Alan Hayward  <alan.hayward@arm.com>
2089             David Sherwood  <david.sherwood@arm.com>
2090
2091         * combine.c (simplify_compare_const): Check that the mode is a
2092         scalar_int_mode (rather than VOIDmode) before testing its
2093         precision.
2094         (simplify_comparison): Move COMPARISON_P handling out of the
2095         loop and restrict the latter part of the loop to scalar_int_modes.
2096         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
2097         and when considering SUBREG_REGs.  Use is_int_mode instead of
2098         checking GET_MODE_CLASS against MODE_INT.
2099
2100 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2101             Alan Hayward  <alan.hayward@arm.com>
2102             David Sherwood  <david.sherwood@arm.com>
2103
2104         * combine.c (try_widen_shift_mode): Move check for equal modes to...
2105         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
2106         shift_unit_mode and for modes involved in scalar shifts.
2107
2108 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2109             Alan Hayward  <alan.hayward@arm.com>
2110             David Sherwood  <david.sherwood@arm.com>
2111
2112         * combine.c (force_int_to_mode): New function, split out from...
2113         (force_to_mode): ...here.  Keep xmode up-to-date and use it
2114         instead of GET_MODE (x).
2115
2116 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2117             Alan Hayward  <alan.hayward@arm.com>
2118             David Sherwood  <david.sherwood@arm.com>
2119
2120         * optabs-query.h (extraction_insn::struct_mode): Change type to
2121         opt_scalar_int_mode and update comment.
2122         (extraction_insn::field_mode): Change type to scalar_int_mode.
2123         (extraction_insn::pos_mode): Likewise.
2124         * combine.c (make_extraction): Update accordingly.
2125         * optabs-query.c (get_traditional_extraction_insn): Likewise.
2126         (get_optab_extraction_insn): Likewise.
2127         * recog.c (simplify_while_replacing): Likewise.
2128         * expmed.c (narrow_bit_field_mem): Change the type of the mode
2129         parameter to opt_scalar_int_mode.
2130
2131 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2132             Alan Hayward  <alan.hayward@arm.com>
2133             David Sherwood  <david.sherwood@arm.com>
2134
2135         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
2136         to a scalar_int_mode instead of a machine_mode.
2137         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
2138         (get_best_mode): Return a boolean and use a pointer argument to store
2139         the selected mode.  Replace the limit mode parameter with a bit limit.
2140         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
2141         for the values returned by bit_field_mode_iterator::next_mode.
2142         (store_bit_field): Update call to get_best_mode.
2143         (store_fixed_bit_field): Likewise.
2144         (extract_fixed_bit_field): Likewise.
2145         * expr.c (optimize_bitfield_assignment_op): Likewise.
2146         * fold-const.c (optimize_bit_field_compare): Likewise.
2147         (fold_truth_andor_1): Likewise.
2148         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
2149         Update for new type of m_mode.
2150         (get_best_mode): As above.
2151
2152 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2153             Alan Hayward  <alan.hayward@arm.com>
2154             David Sherwood  <david.sherwood@arm.com>
2155
2156         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
2157         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
2158         (store_bit_field): Check is_a <scalar_int_mode> before calling
2159         strict_volatile_bitfield_p.
2160         (extract_bit_field): Likewise.
2161
2162 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2163             Alan Hayward  <alan.hayward@arm.com>
2164             David Sherwood  <david.sherwood@arm.com>
2165
2166         * target.def (cstore_mode): Return a scalar_int_mode.
2167         * doc/tm.texi: Regenerate.
2168         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
2169         * targhooks.h (default_cstore_mode): Likewise.
2170         * targhooks.c (default_cstore_mode): Likewise, using a forced
2171         conversion.
2172         * expmed.c (emit_cstore): Expect the target of the cstore to be
2173         a scalar_int_mode.
2174
2175 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2176             Alan Hayward  <alan.hayward@arm.com>
2177             David Sherwood  <david.sherwood@arm.com>
2178
2179         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
2180         scalar_int_mode.
2181         (niter_desc): Likewise mode.
2182         (iv_analyze): Add a mode parameter.
2183         (biv_p): Likewise.
2184         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
2185         and change its type to scalar_int_mode.
2186         * loop-iv.c: Update commentary at head of file.
2187         (iv_constant): Pass the mode paraeter before the rtx it describes
2188         and change its type to scalar_int_mode.  Remove VOIDmode handling.
2189         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
2190         (iv_extend): Likewise.
2191         (shorten_into_mode): Likewise.
2192         (iv_add): Use scalar_int_mode.
2193         (iv_mult): Likewise.
2194         (iv_shift): Likewise.
2195         (canonicalize_iv_subregs): Likewise.
2196         (get_biv_step_1): Pass the outer_mode parameter before the rtx
2197         it describes and change its mode to scalar_int_mode.   Also change
2198         the type of the returned inner_mode to scalar_int_mode.
2199         (get_biv_step): Likewise, turning outer_mode from a pointer
2200         into a direct parameter.  Update call to get_biv_step_1.
2201         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
2202         iv_constant and get_biv_step.
2203         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
2204         and change its type to scalar_int_mode.  Don't initialise iv->mode
2205         to VOIDmode and remove later checks for its still being VOIDmode.
2206         Update calls to iv_analyze_op and iv_analyze_expr.  Check
2207         is_a <scalar_int_mode> when changing the mode under consideration.
2208         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
2209         Update call to iv_analyze_expr.
2210         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
2211         inner register is not also a scalar_int_mode.  Update call to
2212         iv_analyze_biv.
2213         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
2214         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
2215         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
2216         separate mode class checks.  Update calls to iv_analyze.  Remove
2217         fix-up of VOIDmodes after iv_analyze_biv.
2218         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
2219         don't have a scalar_int_mode.  Update call to biv_p.
2220
2221 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2222             Alan Hayward  <alan.hayward@arm.com>
2223             David Sherwood  <david.sherwood@arm.com>
2224
2225         * cfgexpand.c (convert_debug_memory_address): Use
2226         as_a <scalar_int_mode>.
2227         * combine.c (expand_compound_operation): Likewise.
2228         (make_extraction): Likewise.
2229         (change_zero_ext): Likewise.
2230         (simplify_comparison): Likewise.
2231         * cse.c (cse_insn): Likewise.
2232         * dwarf2out.c (minmax_loc_descriptor): Likewise.
2233         (mem_loc_descriptor): Likewise.
2234         (loc_descriptor): Likewise.
2235         * expmed.c (init_expmed_one_mode): Likewise.
2236         (synth_mult): Likewise.
2237         (emit_store_flag_1): Likewise.
2238         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
2239         of a comparison with size.
2240         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
2241         (reduce_to_bit_field_precision): Likewise.
2242         * function.c (expand_function_end): Likewise.
2243         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
2244         * loop-doloop.c (doloop_modify): Likewise.
2245         * optabs.c (expand_binop): Likewise.
2246         (expand_unop): Likewise.
2247         (expand_copysign_absneg): Likewise.
2248         (prepare_cmp_insn): Likewise.
2249         (maybe_legitimize_operand): Likewise.
2250         * recog.c (const_scalar_int_operand): Likewise.
2251         * rtlanal.c (get_address_mode): Likewise.
2252         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2253         (simplify_cond_clz_ctz): Likewise.
2254         * tree-nested.c (get_nl_goto_field): Likewise.
2255         * tree.c (build_vector_type_for_mode): Likewise.
2256         * var-tracking.c (use_narrower_mode): Likewise.
2257
2258 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2259             Alan Hayward  <alan.hayward@arm.com>
2260             David Sherwood  <david.sherwood@arm.com>
2261
2262         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
2263         * builtins.c (expand_builtin_signbit): Use it.
2264         * cfgexpand.c (expand_debug_expr): Likewise.
2265         * dojump.c (do_jump): Likewise.
2266         (do_compare_and_jump): Likewise.
2267         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
2268         * expmed.c (make_tree): Likewise.
2269         * expr.c (expand_expr_real_2): Likewise.
2270         (expand_expr_real_1): Likewise.
2271         (try_casesi): Likewise.
2272         * fold-const-call.c (fold_const_call_ss): Likewise.
2273         * fold-const.c (unextend): Likewise.
2274         (extract_muldiv_1): Likewise.
2275         (fold_single_bit_test): Likewise.
2276         (native_encode_int): Likewise.
2277         (native_encode_string): Likewise.
2278         (native_interpret_int): Likewise.
2279         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
2280         * internal-fn.c (expand_addsub_overflow): Likewise.
2281         (expand_neg_overflow): Likewise.
2282         (expand_mul_overflow): Likewise.
2283         (expand_arith_overflow): Likewise.
2284         * match.pd: Likewise.
2285         * stor-layout.c (layout_type): Likewise.
2286         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
2287         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
2288         * tree-ssanames.c (get_range_info): Likewise.
2289         * tree-switch-conversion.c (array_value_type) Likewise.
2290         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
2291         (vect_recog_divmod_pattern): Likewise.
2292         (vect_recog_mixed_size_cond_pattern): Likewise.
2293         * tree-vrp.c (extract_range_basic): Likewise.
2294         (simplify_float_conversion_using_ranges): Likewise.
2295         * tree.c (int_fits_type_p): Likewise.
2296         * ubsan.c (instrument_bool_enum_load): Likewise.
2297         * varasm.c (mergeable_string_section): Likewise.
2298         (narrowing_initializer_constant_valid_p): Likewise.
2299         (output_constant): Likewise.
2300
2301 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2302             Alan Hayward  <alan.hayward@arm.com>
2303             David Sherwood  <david.sherwood@arm.com>
2304
2305         * machmode.h (NARROWEST_INT_MODE): New macro.
2306         * expr.c (alignment_for_piecewise_move): Use it instead of
2307         GET_CLASS_NARROWEST_MODE (MODE_INT).
2308         (push_block): Likewise.
2309         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
2310         Likewise.
2311         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2312
2313 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2314             Alan Hayward  <alan.hayward@arm.com>
2315             David Sherwood  <david.sherwood@arm.com>
2316
2317         * postreload.c (move2add_valid_value_p): Change the type of the
2318         mode parameter to scalar_int_mode.
2319         (move2add_use_add2_insn): Add a mode parameter and use it instead
2320         of GET_MODE (reg).
2321         (move2add_use_add3_insn): Likewise.
2322         (reload_cse_move2add): Update accordingly.
2323
2324 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2325             Alan Hayward  <alan.hayward@arm.com>
2326             David Sherwood  <david.sherwood@arm.com>
2327
2328         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
2329         double-word mode.
2330         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
2331         * optabs.c (expand_unop): Likewise.
2332
2333 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2334             Alan Hayward  <alan.hayward@arm.com>
2335             David Sherwood  <david.sherwood@arm.com>
2336
2337         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
2338         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
2339         (popcount_loc_descriptor): Likewise.
2340         (bswap_loc_descriptor): Likewise.
2341         (rotate_loc_descriptor): Likewise.
2342         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
2343         calling the functions above.
2344
2345 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2346             Alan Hayward  <alan.hayward@arm.com>
2347             David Sherwood  <david.sherwood@arm.com>
2348
2349         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
2350         checks.
2351         (try_combine): Likewise.
2352         (simplify_if_then_else): Likewise.
2353         * cse.c (cse_insn): Likewise.
2354         * dwarf2out.c (mem_loc_descriptor): Likewise.
2355         * emit-rtl.c (gen_lowpart_common): Likewise.
2356         * simplify-rtx.c (simplify_truncation): Likewise.
2357         (simplify_binary_operation_1): Likewise.
2358         (simplify_const_relational_operation): Likewise.
2359         (simplify_ternary_operation): Likewise.
2360         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2361
2362 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2363             Alan Hayward  <alan.hayward@arm.com>
2364             David Sherwood  <david.sherwood@arm.com>
2365
2366         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
2367         * reload.c (push_reload): Likewise.
2368         (find_reloads): Likewise.
2369
2370 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2371             Alan Hayward  <alan.hayward@arm.com>
2372             David Sherwood  <david.sherwood@arm.com>
2373
2374         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
2375         (make_compound_operation_int): Likewise.
2376         (change_zero_ext): Likewise.
2377         * expr.c (convert_move): Likewise.
2378         (convert_modes): Likewise.
2379         * fwprop.c (forward_propagate_subreg): Likewise.
2380         * loop-iv.c (get_biv_step_1): Likewise.
2381         * optabs.c (widen_operand): Likewise.
2382         * postreload.c (move2add_valid_value_p): Likewise.
2383         * recog.c (simplify_while_replacing): Likewise.
2384         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2385         (simplify_binary_operation_1): Likewise.  Remove redundant
2386         mode equality check.
2387
2388 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2389             Alan Hayward  <alan.hayward@arm.com>
2390             David Sherwood  <david.sherwood@arm.com>
2391
2392         * combine.c (combine_simplify_rtx): Add checks for
2393         is_a <scalar_int_mode>.
2394         (simplify_if_then_else): Likewise.
2395         (make_field_assignment): Likewise.
2396         (simplify_comparison): Likewise.
2397         * ifcvt.c (noce_try_bitop): Likewise.
2398         * loop-invariant.c (canonicalize_address_mult): Likewise.
2399         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2400
2401 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2402             Alan Hayward  <alan.hayward@arm.com>
2403             David Sherwood  <david.sherwood@arm.com>
2404
2405         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
2406         is_a <scalar_int_mode> instead of != BLKmode.
2407
2408 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2409             Alan Hayward  <alan.hayward@arm.com>
2410             David Sherwood  <david.sherwood@arm.com>
2411
2412         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
2413         instead of != VOIDmode.
2414         * combine.c (if_then_else_cond): Likewise.
2415         (change_zero_ext): Likewise.
2416         * dwarf2out.c (mem_loc_descriptor): Likewise.
2417         (loc_descriptor): Likewise.
2418         * rtlanal.c (canonicalize_condition): Likewise.
2419         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
2420
2421 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2422             Alan Hayward  <alan.hayward@arm.com>
2423             David Sherwood  <david.sherwood@arm.com>
2424
2425         * simplify-rtx.c (simplify_binary_operation_1): Use
2426         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
2427
2428 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2429             Alan Hayward  <alan.hayward@arm.com>
2430             David Sherwood  <david.sherwood@arm.com>
2431
2432         * wide-int.h (int_traits<unsigned char>) New class.
2433         (int_traits<unsigned short>) Likewise.
2434         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
2435         Use GET_MODE_UNIT_PRECISION and remove redundant test for
2436         SCALAR_INT_MODE_P.
2437         * combine.c (set_nonzero_bits_and_sign_copies): Use
2438         is_a <scalar_int_mode>.
2439         (find_split_point): Likewise.
2440         (combine_simplify_rtx): Likewise.
2441         (simplify_logical): Likewise.
2442         (expand_compound_operation): Likewise.
2443         (expand_field_assignment): Likewise.
2444         (make_compound_operation): Likewise.
2445         (extended_count): Likewise.
2446         (change_zero_ext): Likewise.
2447         (simplify_comparison): Likewise.
2448         * dwarf2out.c (scompare_loc_descriptor): Likewise.
2449         (ucompare_loc_descriptor): Likewise.
2450         (minmax_loc_descriptor): Likewise.
2451         (mem_loc_descriptor): Likewise.
2452         (loc_descriptor): Likewise.
2453         * expmed.c (init_expmed_one_mode): Likewise.
2454         * lra-constraints.c (lra_constraint_offset): Likewise.
2455         * optabs.c (prepare_libcall_arg): Likewise.
2456         * postreload.c (move2add_note_store): Likewise.
2457         * reload.c (operands_match_p): Likewise.
2458         * rtl.h (load_extend_op): Likewise.
2459         * rtlhooks.c (gen_lowpart_general): Likewise.
2460         * simplify-rtx.c (simplify_truncation): Likewise.
2461         (simplify_unary_operation_1): Likewise.
2462         (simplify_binary_operation_1): Likewise.
2463         (simplify_const_binary_operation): Likewise.
2464         (simplify_const_relational_operation): Likewise.
2465         (simplify_subreg): Likewise.
2466         * stor-layout.c (bitwise_mode_for_mode): Likewise.
2467         * var-tracking.c (adjust_mems): Likewise.
2468         (prepare_call_arguments): Likewise.
2469
2470 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2471             Alan Hayward  <alan.hayward@arm.com>
2472             David Sherwood  <david.sherwood@arm.com>
2473
2474         * machmode.h (is_int_mode): New fuction.
2475         * combine.c (find_split_point): Use it.
2476         (combine_simplify_rtx): Likewise.
2477         (simplify_if_then_else): Likewise.
2478         (simplify_set): Likewise.
2479         (simplify_shift_const_1): Likewise.
2480         (simplify_comparison): Likewise.
2481         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
2482         * cse.c (notreg_cost): Likewise.
2483         (cse_insn): Likewise.
2484         * cselib.c (cselib_lookup_1): Likewise.
2485         * dojump.c (do_jump_1): Likewise.
2486         (do_compare_rtx_and_jump): Likewise.
2487         * dse.c (get_call_args): Likewise.
2488         * dwarf2out.c (rtl_for_decl_init): Likewise.
2489         (native_encode_initializer): Likewise.
2490         * expmed.c (emit_store_flag_1): Likewise.
2491         (emit_store_flag): Likewise.
2492         * expr.c (convert_modes): Likewise.
2493         (store_field): Likewise.
2494         (expand_expr_real_1): Likewise.
2495         * fold-const.c (fold_read_from_constant_string): Likewise.
2496         * gimple-ssa-sprintf.c (get_format_string): Likewise.
2497         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
2498         * optabs.c (expand_binop): Likewise.
2499         (expand_unop): Likewise.
2500         (expand_abs_nojump): Likewise.
2501         (expand_one_cmpl_abs_nojump): Likewise.
2502         * simplify-rtx.c (mode_signbit_p): Likewise.
2503         (val_signbit_p): Likewise.
2504         (val_signbit_known_set_p): Likewise.
2505         (val_signbit_known_clear_p): Likewise.
2506         (simplify_relational_operation_1): Likewise.
2507         * tree.c (vector_type_mode): Likewise.
2508
2509 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2510             Alan Hayward  <alan.hayward@arm.com>
2511             David Sherwood  <david.sherwood@arm.com>
2512
2513         * machmode.h (smallest_mode_for_size): Fix formatting.
2514         (smallest_int_mode_for_size): New function.
2515         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
2516         instead of smallest_mode_for_size.
2517         * combine.c (make_extraction): Likewise.
2518         * config/arc/arc.c (arc_expand_movmem): Likewise.
2519         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
2520         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
2521         * config/s390/s390.c (s390_expand_insv): Likewise.
2522         * config/sparc/sparc.c (assign_int_registers): Likewise.
2523         * config/spu/spu.c (spu_function_value): Likewise.
2524         (spu_function_arg): Likewise.
2525         * coverage.c (get_gcov_type): Likewise.
2526         (get_gcov_unsigned_t): Likewise.
2527         * dse.c (find_shift_sequence): Likewise.
2528         * expmed.c (store_bit_field_1): Likewise.
2529         * expr.c (convert_move): Likewise.
2530         (store_field): Likewise.
2531         * internal-fn.c (expand_arith_overflow): Likewise.
2532         * optabs-query.c (get_best_extraction_insn): Likewise.
2533         * optabs.c (expand_twoval_binop_libfunc): Likewise.
2534         * stor-layout.c (layout_type): Likewise.
2535         (initialize_sizetypes): Likewise.
2536         * targhooks.c (default_get_mask_mode): Likewise.
2537         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
2538
2539 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2540             Alan Hayward  <alan.hayward@arm.com>
2541             David Sherwood  <david.sherwood@arm.com>
2542
2543         * machmode.h (opt_mode::else_blk): New function.
2544         (int_mode_for_mode): Declare.
2545         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
2546         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
2547         return type.
2548         * cfgexpand.c (expand_debug_expr): Likewise.
2549         * combine.c (gen_lowpart_or_truncate): Likewise.
2550         (gen_lowpart_for_combine): Likewise.
2551         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
2552         * config/avr/avr.c (avr_to_int_mode): Likewise.
2553         (avr_out_plus_1): Likewise.
2554         (avr_out_plus): Likewise.
2555         (avr_out_round): Likewise.
2556         * config/i386/i386.c (ix86_split_to_parts): Likewise.
2557         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
2558         (s390_expand_vcond): Likewise.
2559         * config/spu/spu.c (spu_split_immediate): Likewise.
2560         (spu_expand_mov): Likewise.
2561         * dse.c (get_stored_val): Likewise.
2562         * expmed.c (store_bit_field_1): Likewise.
2563         (convert_extracted_bit_field): Use int_mode_for_mode instead of
2564         int_mode_for_size.
2565         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
2566         (extract_low_bits): Likewise.
2567         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
2568         handling rather than repeating the check.
2569         (emit_group_store): Likewise.
2570         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
2571         * optabs.c (expand_absneg_bit): Likewise.
2572         (expand_copysign_absneg): Likewise.
2573         (expand_copysign_bit): Likewise.
2574         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
2575         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
2576         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
2577         * var-tracking.c (prepare_call_arguments):  Likewise.
2578         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
2579         int_mode_for_mode instead of mode_for_size.
2580         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
2581
2582 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2583             Alan Hayward  <alan.hayward@arm.com>
2584             David Sherwood  <david.sherwood@arm.com>
2585
2586         * machmode.h (int_mode_for_size): New function.
2587         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
2588         instead of mode_for_size.
2589         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
2590         explicit.
2591         * combine.c (expand_field_assignment): Use int_mode_for_size
2592         instead of mode_for_size.
2593         (make_extraction): Likewise.
2594         (simplify_shift_const_1): Likewise.
2595         (simplify_comparison): Likewise.
2596         * dojump.c (do_jump): Likewise.
2597         * dwarf2out.c (mem_loc_descriptor): Likewise.
2598         * emit-rtl.c (init_derived_machine_modes): Likewise.
2599         * expmed.c (flip_storage_order): Likewise.
2600         (convert_extracted_bit_field): Likewise.
2601         * expr.c (copy_blkmode_from_reg): Likewise.
2602         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
2603         * internal-fn.c (expand_mul_overflow): Likewise.
2604         * lower-subreg.c (simple_move): Likewise.
2605         * optabs-libfuncs.c (init_optabs): Likewise.
2606         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2607         * tree.c (vector_type_mode): Likewise.
2608         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
2609         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
2610         * tree-vect-generic.c (expand_vector_parallel): Likewise.
2611         * tree-vect-stmts.c (vectorizable_load): Likewise.
2612         (vectorizable_store): Likewise.
2613
2614 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2615             Alan Hayward  <alan.hayward@arm.com>
2616             David Sherwood  <david.sherwood@arm.com>
2617
2618         * coretypes.h (pod_mode): New type.
2619         (scalar_int_mode_pod): New typedef.
2620         * machmode.h (pod_mode): New class.
2621         (int_n_data_t::m): Change type to scalar_int_mode_pod.
2622         * genmodes.c (emit_mode_int_n): Update accordingly.
2623         * lower-subreg.h (target_lower_subreg): Change type to
2624         scalar_int_mode_pod.
2625         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
2626         scalar_int_mode_pod.
2627
2628 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2629             Alan Hayward  <alan.hayward@arm.com>
2630             David Sherwood  <david.sherwood@arm.com>
2631
2632         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
2633         machine_mode to scalar_int_mode.
2634         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
2635         (rs6000_option_override_internal): Remove cast to int.
2636         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
2637         machine_mode to scalar_int_mode.
2638         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
2639         (rs6000_option_override_internal): Remove cast to int.
2640         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
2641         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
2642         to machine_mode.
2643         * config/s390/s390.c (s390_expand_builtin): Likewise.
2644         * coretypes.h (scalar_int_mode): New type.
2645         (opt_scalar_int_mode): New typedef.
2646         * machmode.h (scalar_int_mode): New class.
2647         (scalar_int_mode::includes_p): New function.
2648         (byte_mode): Change type to scalar_int_mode.
2649         (word_mode): Likewise.
2650         (ptr_mode): Likewise.
2651         * emit-rtl.c (byte_mode): Likewise.
2652         (word_mode): Likewise.
2653         (ptr_mode): Likewise.
2654         (init_derived_machine_modes): Update accordingly.
2655         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
2656         and MODE_PARTIAL_INT.
2657         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
2658         opt_scalar_int_mode.
2659
2660 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2661             Alan Hayward  <alan.hayward@arm.com>
2662             David Sherwood  <david.sherwood@arm.com>
2663
2664         * target.def (libgcc_floating_mode_supported_p): Take a
2665         scalar_float_mode.
2666         * doc/tm.texi: Regenerate.
2667         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
2668         scalar_float_mode.
2669         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
2670         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
2671         Likewise.
2672
2673 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2674             Alan Hayward  <alan.hayward@arm.com>
2675             David Sherwood  <david.sherwood@arm.com>
2676
2677         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
2678         * doc/tm.texi: Regenerate.
2679         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
2680         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
2681         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
2682         * targhooks.h (default_floatn_mode): Likewise.
2683         * targhooks.c (default_floatn_mode): Likewise.
2684         * tree.c (build_common_tree_nodes): Update accordingly.
2685
2686 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2687             Alan Hayward  <alan.hayward@arm.com>
2688             David Sherwood  <david.sherwood@arm.com>
2689
2690         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
2691         (mode_iterator::iterate_p): Likewise.
2692         (mode_iterator::get_wider): Likewise.
2693         * expr.c (init_expr_target): Use opt_scalar_float_mode.
2694
2695 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2696             Alan Hayward  <alan.hayward@arm.com>
2697             David Sherwood  <david.sherwood@arm.com>
2698
2699         * coretypes.h (opt_scalar_float_mode): New typedef.
2700         * machmode.h (float_mode_for_size): New function.
2701         * emit-rtl.c (double_mode): Delete.
2702         (init_emit_once): Use float_mode_for_size.
2703         * stor-layout.c (layout_type): Likewise.
2704         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
2705
2706 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2707             Alan Hayward  <alan.hayward@arm.com>
2708             David Sherwood  <david.sherwood@arm.com>
2709
2710         * output.h (assemble_real): Take a scalar_float_mode.
2711         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
2712         * config/arm/arm.md (consttable_4): Likewise.
2713         (consttable_8): Likewise.
2714         (consttable_16): Likewise.
2715         * config/mips/mips.md (consttable_float): Likewise.
2716         * config/s390/s390.c (s390_output_pool_entry): Likewise.
2717         * varasm.c (assemble_real): Take a scalar_float_mode.
2718         (output_constant_pool_2): Update accordingly.
2719         (output_constant): Likewise.
2720
2721 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2722             Alan Hayward  <alan.hayward@arm.com>
2723             David Sherwood  <david.sherwood@arm.com>
2724
2725         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
2726         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
2727         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
2728         (native_encode_real): Likewise.
2729         (native_interpret_real): Likewise.
2730         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
2731         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2732
2733 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2734             Alan Hayward  <alan.hayward@arm.com>
2735             David Sherwood  <david.sherwood@arm.com>
2736
2737         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
2738         <scalar_float_mode>.  Simplify.
2739         (gen_extend_conv_libfunc): Likewise.
2740
2741 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2742             Alan Hayward  <alan.hayward@arm.com>
2743             David Sherwood  <david.sherwood@arm.com>
2744
2745         * coretypes.h (scalar_float_mode): New type.
2746         * machmode.h (mode_traits::from_int): Use machine_mode if
2747         USE_ENUM_MODES is defined.
2748         (is_a): New function.
2749         (as_a): Likewise.
2750         (dyn_cast): Likewise.
2751         (scalar_float_mode): New class.
2752         (scalar_float_mode::includes_p): New function.
2753         (is_float_mode): Likewise.
2754         * gdbhooks.py (MachineModePrinter): New class.
2755         (build_pretty_printer): Use it for scalar_float_mode.
2756         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
2757         (format_helper::format_helper): Turn into a template.
2758         * genmodes.c (get_mode_class): New function.
2759         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
2760         or machine_mode if none.
2761         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
2762         as_a <scalar_float_mode>.
2763         * dwarf2out.c (mem_loc_descriptor): Likewise.
2764         (insert_float): Likewise.
2765         (add_const_value_attribute): Likewise.
2766         * simplify-rtx.c (simplify_immed_subreg): Likewise.
2767         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
2768         (expand_unop): Update accordingly.
2769         (expand_abs_nojump): Likewise.
2770         (expand_copysign_absneg): Take a scalar_float_mode.
2771         (expand_copysign_bit): Likewise.
2772         (expand_copysign): Update accordingly.
2773
2774 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2775             Alan Hayward  <alan.hayward@arm.com>
2776             David Sherwood  <david.sherwood@arm.com>
2777
2778         * coretypes.h (opt_mode): New class.
2779         * machmode.h (opt_mode): Likewise.
2780         (opt_mode::else_void): New function.
2781         (opt_mode::require): Likewise.
2782         (opt_mode::exists): Likewise.
2783         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
2784         (GET_MODE_2XWIDER_MODE): Likewise.
2785         (mode_iterator::get_wider): Update accordingly.
2786         (mode_iterator::get_2xwider): Likewise.
2787         (mode_iterator::get_known_wider): Likewise, turning into a template.
2788         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
2789         forcing a wider mode to exist.
2790         * config/cr16/cr16.h (LONG_REG_P): Likewise.
2791         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2792         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
2793         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
2794         * lower-subreg.c (init_lower_subreg): Likewise.
2795         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
2796         on the final iteration.
2797         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
2798         a wider mode exists before asking for a move pattern.
2799         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
2800         forcing a wider mode to exist.
2801         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
2802         returning false if no such mode exists.
2803         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
2804         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
2805         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
2806         Avoid checking for a MODE_INT if we already know the mode is not a
2807         SCALAR_INT_MODE_P.
2808         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
2809         forcing a wider mode to exist.
2810         (expmed_mult_highpart_optab): Likewise.
2811         (expmed_mult_highpart): Likewise.
2812         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
2813         using else_void.
2814         * lto-streamer-in.c (lto_input_mode_table): Likewise.
2815         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
2816         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
2817         * internal-fn.c (expand_mul_overflow): Update use of
2818         GET_MODE_2XWIDER_MODE.
2819         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2820         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
2821         GET_MODE_WIDER_MODE.
2822         (convert_plusminus_to_widen): Likewise.
2823         * tree-switch-conversion.c (array_value_type): Likewise.
2824         * var-tracking.c (emit_note_insn_var_location): Likewise.
2825         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2826         Return false inside rather than outside the loop if no wider mode
2827         exists
2828         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
2829         and GET_MODE_2XWIDER_MODE
2830         (can_compare_p): Use else_void.
2831         * gdbhooks.py (OptMachineModePrinter): New class.
2832         (build_pretty_printer): Use it for opt_mode.
2833
2834 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2835             Alan Hayward  <alan.hayward@arm.com>
2836             David Sherwood  <david.sherwood@arm.com>
2837
2838         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
2839         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
2840
2841 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2842             Alan Hayward  <alan.hayward@arm.com>
2843             David Sherwood  <david.sherwood@arm.com>
2844
2845         * machmode.h (mode_traits): New structure.
2846         (get_narrowest_mode): New function.
2847         (mode_iterator::start): Likewise.
2848         (mode_iterator::iterate_p): Likewise.
2849         (mode_iterator::get_wider): Likewise.
2850         (mode_iterator::get_known_wider): Likewise.
2851         (mode_iterator::get_2xwider): Likewise.
2852         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
2853         (FOR_EACH_MODE): Likewise.
2854         (FOR_EACH_MODE_FROM): Likewise.
2855         (FOR_EACH_MODE_UNTIL): Likewise.
2856         (FOR_EACH_WIDER_MODE): Likewise.
2857         (FOR_EACH_2XWIDER_MODE): Likewise.
2858         * builtins.c (expand_builtin_strlen): Use new mode iterators.
2859         * combine.c (simplify_comparison): Likewise
2860         * config/i386/i386.c (type_natural_mode): Likewise.
2861         * cse.c (cse_insn): Likewise.
2862         * dse.c (find_shift_sequence): Likewise.
2863         * emit-rtl.c (init_derived_machine_modes): Likewise.
2864         (init_emit_once): Likewise.
2865         * explow.c (hard_function_value): Likewise.
2866         * expmed.c (extract_fixed_bit_field_1): Likewise.
2867         (extract_bit_field_1): Likewise.
2868         (expand_divmod): Likewise.
2869         (emit_store_flag_1): Likewise.
2870         * expr.c (init_expr_target): Likewise.
2871         (convert_move): Likewise.
2872         (alignment_for_piecewise_move): Likewise.
2873         (widest_int_mode_for_size): Likewise.
2874         (emit_block_move_via_movmem): Likewise.
2875         (copy_blkmode_to_reg): Likewise.
2876         (set_storage_via_setmem): Likewise.
2877         (compress_float_constant): Likewise.
2878         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2879         * optabs-query.c (get_best_extraction_insn): Likewise.
2880         * optabs.c (expand_binop): Likewise.
2881         (expand_twoval_unop): Likewise.
2882         (expand_twoval_binop): Likewise.
2883         (widen_leading): Likewise.
2884         (widen_bswap): Likewise.
2885         (expand_parity): Likewise.
2886         (expand_unop): Likewise.
2887         (prepare_cmp_insn): Likewise.
2888         (prepare_float_lib_cmp): Likewise.
2889         (expand_float): Likewise.
2890         (expand_fix): Likewise.
2891         (expand_sfix_optab): Likewise.
2892         * postreload.c (move2add_use_add2_insn): Likewise.
2893         * reg-stack.c (reg_to_stack): Likewise.
2894         * reginfo.c (choose_hard_reg_mode): Likewise.
2895         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
2896         * stor-layout.c (mode_for_size): Likewise.
2897         (smallest_mode_for_size): Likewise.
2898         (mode_for_vector): Likewise.
2899         (finish_bitfield_representative): Likewise.
2900         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
2901         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2902         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2903         * var-tracking.c (prepare_call_arguments): Likewise.
2904
2905 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2906             Alan Hayward  <alan.hayward@arm.com>
2907             David Sherwood  <david.sherwood@arm.com>
2908
2909         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
2910         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
2911         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
2912         * machmode.h (mode_size): Move earlier in file.
2913         (mode_precision): Likewise.
2914         (mode_inner): Likewise.
2915         (mode_nunits): Likewise.
2916         (mode_unit_size): Likewise.
2917         (unit_unit_precision): Likewise.
2918         (mode_wider): Likewise.
2919         (mode_2xwider): Likewise.
2920         (machine_mode): New class.
2921         (mode_to_bytes): New function.
2922         (mode_to_bits): Likewise.
2923         (mode_to_precision): Likewise.
2924         (mode_to_inner): Likewise.
2925         (mode_to_unit_size): Likewise.
2926         (mode_to_unit_precision): Likewise.
2927         (mode_to_nunits): Likewise.
2928         (GET_MODE_SIZE): Use mode_to_bytes.
2929         (GET_MODE_BITSIZE): Use mode_to_bits.
2930         (GET_MODE_PRECISION): Use mode_to_precision.
2931         (GET_MODE_INNER): Use mode_to_inner.
2932         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
2933         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
2934         (GET_MODE_NUNITS): Use mode_to_nunits.
2935         * system.h (ALWAYS_INLINE): New macro.
2936         * config/powerpcspe/powerpcspe-c.c
2937         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
2938         int for arg1_mode and arg2_mode.
2939
2940 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2941             Alan Hayward  <alan.hayward@arm.com>
2942             David Sherwood  <david.sherwood@arm.com>
2943
2944         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
2945         Prefix mode names with E_ in case statements.
2946         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2947         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
2948         (aarch64_split_simd_move): Likewise.
2949         (aarch64_gen_storewb_pair): Likewise.
2950         (aarch64_gen_loadwb_pair): Likewise.
2951         (aarch64_gen_store_pair): Likewise.
2952         (aarch64_gen_load_pair): Likewise.
2953         (aarch64_get_condition_code_1): Likewise.
2954         (aarch64_constant_pool_reload_icode): Likewise.
2955         (get_rsqrte_type): Likewise.
2956         (get_rsqrts_type): Likewise.
2957         (get_recpe_type): Likewise.
2958         (get_recps_type): Likewise.
2959         (aarch64_gimplify_va_arg_expr): Likewise.
2960         (aarch64_simd_container_mode): Likewise.
2961         (aarch64_emit_load_exclusive): Likewise.
2962         (aarch64_emit_store_exclusive): Likewise.
2963         (aarch64_expand_compare_and_swap): Likewise.
2964         (aarch64_gen_atomic_cas): Likewise.
2965         (aarch64_emit_bic): Likewise.
2966         (aarch64_emit_atomic_swap): Likewise.
2967         (aarch64_emit_atomic_load_op): Likewise.
2968         (aarch64_evpc_trn): Likewise.
2969         (aarch64_evpc_uzp): Likewise.
2970         (aarch64_evpc_zip): Likewise.
2971         (aarch64_evpc_ext): Likewise.
2972         (aarch64_evpc_rev): Likewise.
2973         (aarch64_evpc_dup): Likewise.
2974         (aarch64_gen_ccmp_first): Likewise.
2975         (aarch64_gen_ccmp_next): Likewise.
2976         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
2977         (alpha_emit_xfloating_libcall): Likewise.
2978         (emit_insxl): Likewise.
2979         (alpha_arg_type): Likewise.
2980         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
2981         (arc_preferred_simd_mode): Likewise.
2982         (arc_secondary_reload): Likewise.
2983         (get_arc_condition_code): Likewise.
2984         (arc_print_operand): Likewise.
2985         (arc_legitimate_constant_p): Likewise.
2986         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2987         * config/arc/arc.md (casesi_load): Likewise.
2988         (casesi_compact_jump): Likewise.
2989         * config/arc/predicates.md (proper_comparison_operator): Likewise.
2990         (cc_use_register): Likewise.
2991         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2992         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
2993         (arm_init_iwmmxt_builtins): Likewise.
2994         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
2995         (neon_expand_vector_init): Likewise.
2996         (arm_attr_length_move_neon): Likewise.
2997         (maybe_get_arm_condition_code): Likewise.
2998         (arm_emit_vector_const): Likewise.
2999         (arm_preferred_simd_mode): Likewise.
3000         (arm_output_iwmmxt_tinsr): Likewise.
3001         (thumb1_output_casesi): Likewise.
3002         (thumb2_output_casesi): Likewise.
3003         (arm_emit_load_exclusive): Likewise.
3004         (arm_emit_store_exclusive): Likewise.
3005         (arm_expand_compare_and_swap): Likewise.
3006         (arm_evpc_neon_vuzp): Likewise.
3007         (arm_evpc_neon_vzip): Likewise.
3008         (arm_evpc_neon_vrev): Likewise.
3009         (arm_evpc_neon_vtrn): Likewise.
3010         (arm_evpc_neon_vext): Likewise.
3011         (arm_validize_comparison): Likewise.
3012         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
3013         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
3014         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
3015         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
3016         (c6x_preferred_simd_mode): Likewise.
3017         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
3018         (epiphany_rtx_costs): Likewise.
3019         * config/epiphany/predicates.md (proper_comparison_operator):
3020         Likewise.
3021         * config/frv/frv.c (condexec_memory_operand): Likewise.
3022         (frv_emit_move): Likewise.
3023         (output_move_single): Likewise.
3024         (output_condmove_single): Likewise.
3025         (frv_hard_regno_mode_ok): Likewise.
3026         (frv_matching_accg_mode): Likewise.
3027         * config/h8300/h8300.c (split_adds_subs): Likewise.
3028         (h8300_rtx_costs): Likewise.
3029         (h8300_print_operand): Likewise.
3030         (compute_mov_length): Likewise.
3031         (output_logical_op): Likewise.
3032         (compute_logical_op_length): Likewise.
3033         (compute_logical_op_cc): Likewise.
3034         (h8300_shift_needs_scratch_p): Likewise.
3035         (output_a_shift): Likewise.
3036         (compute_a_shift_length): Likewise.
3037         (compute_a_shift_cc): Likewise.
3038         (expand_a_rotate): Likewise.
3039         (output_a_rotate): Likewise.
3040         * config/i386/i386.c (classify_argument): Likewise.
3041         (function_arg_advance_32): Likewise.
3042         (function_arg_32): Likewise.
3043         (function_arg_64): Likewise.
3044         (function_value_64): Likewise.
3045         (ix86_gimplify_va_arg): Likewise.
3046         (ix86_legitimate_constant_p): Likewise.
3047         (put_condition_code): Likewise.
3048         (split_double_mode): Likewise.
3049         (ix86_avx256_split_vector_move_misalign): Likewise.
3050         (ix86_expand_vector_logical_operator): Likewise.
3051         (ix86_split_idivmod): Likewise.
3052         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
3053         (ix86_build_const_vector): Likewise.
3054         (ix86_build_signbit_mask): Likewise.
3055         (ix86_match_ccmode): Likewise.
3056         (ix86_cc_modes_compatible): Likewise.
3057         (ix86_expand_branch): Likewise.
3058         (ix86_expand_sse_cmp): Likewise.
3059         (ix86_expand_sse_movcc): Likewise.
3060         (ix86_expand_int_sse_cmp): Likewise.
3061         (ix86_expand_vec_perm_vpermi2): Likewise.
3062         (ix86_expand_vec_perm): Likewise.
3063         (ix86_expand_sse_unpack): Likewise.
3064         (ix86_expand_int_addcc): Likewise.
3065         (ix86_split_to_parts): Likewise.
3066         (ix86_vectorize_builtin_gather): Likewise.
3067         (ix86_vectorize_builtin_scatter): Likewise.
3068         (avx_vpermilp_parallel): Likewise.
3069         (inline_memory_move_cost): Likewise.
3070         (ix86_tieable_integer_mode_p): Likewise.
3071         (x86_maybe_negate_const_int): Likewise.
3072         (ix86_expand_vector_init_duplicate): Likewise.
3073         (ix86_expand_vector_init_one_nonzero): Likewise.
3074         (ix86_expand_vector_init_one_var): Likewise.
3075         (ix86_expand_vector_init_concat): Likewise.
3076         (ix86_expand_vector_init_interleave): Likewise.
3077         (ix86_expand_vector_init_general): Likewise.
3078         (ix86_expand_vector_set): Likewise.
3079         (ix86_expand_vector_extract): Likewise.
3080         (emit_reduc_half): Likewise.
3081         (ix86_emit_i387_round): Likewise.
3082         (ix86_mangle_type): Likewise.
3083         (ix86_expand_round_sse4): Likewise.
3084         (expand_vec_perm_blend): Likewise.
3085         (canonicalize_vector_int_perm): Likewise.
3086         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
3087         (expand_vec_perm_1): Likewise.
3088         (expand_vec_perm_interleave3): Likewise.
3089         (expand_vec_perm_even_odd_pack): Likewise.
3090         (expand_vec_perm_even_odd_1): Likewise.
3091         (expand_vec_perm_broadcast_1): Likewise.
3092         (ix86_vectorize_vec_perm_const_ok): Likewise.
3093         (ix86_expand_vecop_qihi): Likewise.
3094         (ix86_expand_mul_widen_hilo): Likewise.
3095         (ix86_expand_sse2_abs): Likewise.
3096         (ix86_expand_pextr): Likewise.
3097         (ix86_expand_pinsr): Likewise.
3098         (ix86_preferred_simd_mode): Likewise.
3099         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
3100         * config/i386/sse.md (*andnot<mode>3): Likewise.
3101         (<mask_codefor><code><mode>3<mask_name>): Likewise.
3102         (*<code><mode>3): Likewise.
3103         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
3104         (ia64_expand_atomic_op): Likewise.
3105         (ia64_arg_type): Likewise.
3106         (ia64_mode_to_int): Likewise.
3107         (ia64_scalar_mode_supported_p): Likewise.
3108         (ia64_vector_mode_supported_p): Likewise.
3109         (expand_vec_perm_broadcast): Likewise.
3110         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
3111         (iq2000_function_arg_advance): Likewise.
3112         (iq2000_function_arg): Likewise.
3113         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
3114         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
3115         (m68k_libcall_value): Likewise.
3116         (m68k_function_value): Likewise.
3117         (sched_attr_op_type): Likewise.
3118         * config/mcore/mcore.c (mcore_output_move): Likewise.
3119         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
3120         Likewise.
3121         (microblaze_function_arg): Likewise.
3122         * config/mips/mips.c (mips16_build_call_stub): Likewise.
3123         (mips_print_operand): Likewise.
3124         (mips_mode_ok_for_mov_fmt_p): Likewise.
3125         (mips_vector_mode_supported_p): Likewise.
3126         (mips_preferred_simd_mode): Likewise.
3127         (mips_expand_vpc_loongson_even_odd): Likewise.
3128         (mips_expand_vec_unpack): Likewise.
3129         (mips_expand_vi_broadcast): Likewise.
3130         (mips_expand_vector_init): Likewise.
3131         (mips_expand_vec_reduc): Likewise.
3132         (mips_expand_msa_cmp): Likewise.
3133         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
3134         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
3135         (cc_flags_for_mode): Likewise.
3136         * config/msp430/msp430.c (msp430_print_operand): Likewise.
3137         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
3138         (nds32_output_casesi_pc_relative): Likewise.
3139         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3140         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
3141         (nvptx_gen_unpack): Likewise.
3142         (nvptx_gen_pack): Likewise.
3143         (nvptx_gen_shuffle): Likewise.
3144         (nvptx_gen_wcast): Likewise.
3145         (nvptx_preferred_simd_mode): Likewise.
3146         * config/pa/pa.c (pa_secondary_reload): Likewise.
3147         * config/pa/predicates.md (base14_operand): Likewise.
3148         * config/powerpcspe/powerpcspe-c.c
3149         (altivec_resolve_overloaded_builtin): Likewise.
3150         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
3151         Likewise.
3152         (rs6000_preferred_simd_mode): Likewise.
3153         (output_vec_const_move): Likewise.
3154         (rs6000_expand_vector_extract): Likewise.
3155         (rs6000_split_vec_extract_var): Likewise.
3156         (reg_offset_addressing_ok_p): Likewise.
3157         (rs6000_legitimate_offset_address_p): Likewise.
3158         (rs6000_legitimize_address): Likewise.
3159         (rs6000_emit_set_const): Likewise.
3160         (rs6000_const_vec): Likewise.
3161         (rs6000_emit_move): Likewise.
3162         (spe_build_register_parallel): Likewise.
3163         (rs6000_darwin64_record_arg_recurse): Likewise.
3164         (swap_selector_for_mode): Likewise.
3165         (spe_init_builtins): Likewise.
3166         (paired_init_builtins): Likewise.
3167         (altivec_init_builtins): Likewise.
3168         (do_load_for_compare): Likewise.
3169         (rs6000_generate_compare): Likewise.
3170         (rs6000_expand_float128_convert): Likewise.
3171         (emit_load_locked): Likewise.
3172         (emit_store_conditional): Likewise.
3173         (rs6000_output_function_epilogue): Likewise.
3174         (rs6000_handle_altivec_attribute): Likewise.
3175         (rs6000_function_value): Likewise.
3176         (emit_fusion_gpr_load): Likewise.
3177         (emit_fusion_p9_load): Likewise.
3178         (emit_fusion_p9_store): Likewise.
3179         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
3180         (fusion_gpr_mem_load): Likewise.
3181         (fusion_addis_mem_combo_load): Likewise.
3182         (fusion_addis_mem_combo_store): Likewise.
3183         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3184         (fusion_gpr_mem_load): Likewise.
3185         (fusion_addis_mem_combo_load): Likewise.
3186         (fusion_addis_mem_combo_store): Likewise.
3187         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3188         Likewise.
3189         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
3190         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
3191         (rs6000_preferred_simd_mode): Likewise.
3192         (output_vec_const_move): Likewise.
3193         (rs6000_expand_vector_extract): Likewise.
3194         (rs6000_split_vec_extract_var): Likewise.
3195         (reg_offset_addressing_ok_p): Likewise.
3196         (rs6000_legitimate_offset_address_p): Likewise.
3197         (rs6000_legitimize_address): Likewise.
3198         (rs6000_emit_set_const): Likewise.
3199         (rs6000_const_vec): Likewise.
3200         (rs6000_emit_move): Likewise.
3201         (rs6000_darwin64_record_arg_recurse): Likewise.
3202         (swap_selector_for_mode): Likewise.
3203         (paired_init_builtins): Likewise.
3204         (altivec_init_builtins): Likewise.
3205         (rs6000_expand_float128_convert): Likewise.
3206         (emit_load_locked): Likewise.
3207         (emit_store_conditional): Likewise.
3208         (rs6000_output_function_epilogue): Likewise.
3209         (rs6000_handle_altivec_attribute): Likewise.
3210         (rs6000_function_value): Likewise.
3211         (emit_fusion_gpr_load): Likewise.
3212         (emit_fusion_p9_load): Likewise.
3213         (emit_fusion_p9_store): Likewise.
3214         * config/rx/rx.c (rx_gen_move_template): Likewise.
3215         (flags_from_mode): Likewise.
3216         * config/s390/predicates.md (s390_alc_comparison): Likewise.
3217         (s390_slb_comparison): Likewise.
3218         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
3219         (s390_vector_mode_supported_p): Likewise.
3220         (s390_cc_modes_compatible): Likewise.
3221         (s390_match_ccmode_set): Likewise.
3222         (s390_canonicalize_comparison): Likewise.
3223         (s390_emit_compare_and_swap): Likewise.
3224         (s390_branch_condition_mask): Likewise.
3225         (s390_rtx_costs): Likewise.
3226         (s390_secondary_reload): Likewise.
3227         (__SECONDARY_RELOAD_CASE): Likewise.
3228         (s390_expand_cs): Likewise.
3229         (s390_preferred_simd_mode): Likewise.
3230         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
3231         * config/sh/sh.c (sh_print_operand): Likewise.
3232         (dump_table): Likewise.
3233         (sh_secondary_reload): Likewise.
3234         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3235         * config/sh/sh.md (casesi_worker_1): Likewise.
3236         (casesi_worker_2): Likewise.
3237         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
3238         (fcc_comparison_operator): Likewise.
3239         * config/sparc/sparc.c (sparc_expand_move): Likewise.
3240         (emit_soft_tfmode_cvt): Likewise.
3241         (sparc_preferred_simd_mode): Likewise.
3242         (output_cbranch): Likewise.
3243         (sparc_print_operand): Likewise.
3244         (sparc_expand_vec_perm_bmask): Likewise.
3245         (vector_init_bshuffle): Likewise.
3246         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
3247         (spu_vector_mode_supported_p): Likewise.
3248         (spu_expand_insv): Likewise.
3249         (spu_emit_branch_or_set): Likewise.
3250         (spu_handle_vector_attribute): Likewise.
3251         (spu_builtin_splats): Likewise.
3252         (spu_builtin_extract): Likewise.
3253         (spu_builtin_promote): Likewise.
3254         (spu_expand_sign_extend): Likewise.
3255         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
3256         (tilegx_simd_int): Likewise.
3257         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
3258         (tilepro_simd_int): Likewise.
3259         * config/v850/v850.c (const_double_split): Likewise.
3260         (v850_print_operand): Likewise.
3261         (ep_memory_offset): Likewise.
3262         * config/vax/vax.c (vax_rtx_costs): Likewise.
3263         (vax_output_int_move): Likewise.
3264         (vax_output_int_add): Likewise.
3265         (vax_output_int_subtract): Likewise.
3266         * config/visium/predicates.md (visium_branch_operator): Likewise.
3267         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
3268         (visium_print_operand_address): Likewise.
3269         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3270         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
3271         (xtensa_expand_conditional_branch): Likewise.
3272         (xtensa_copy_incoming_a7): Likewise.
3273         (xtensa_output_literal): Likewise.
3274         * dfp.c (decimal_real_maxval): Likewise.
3275         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
3276
3277 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3278             Alan Hayward  <alan.hayward@arm.com>
3279             David Sherwood  <david.sherwood@arm.com>
3280
3281         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
3282         (mode_nunits_inline): Likewise.
3283         (mode_inner_inline): Likewise.
3284         (mode_unit_size_inline): Likewise.
3285         (mode_unit_precision_inline): Likewise.
3286         (emit_insn_modes_h): Likewise.  Also emit a #define of the
3287         unprefixed name.
3288         (emit_mode_wider): Add an E_ prefix to mode names.
3289         (emit_mode_complex): Likewise.
3290         (emit_mode_inner): Likewise.
3291         (emit_mode_adjustments): Likewise.
3292         (emit_mode_int_n): Likewise.
3293         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
3294         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
3295         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
3296         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
3297         (CRC32_BUILTIN, ENTRY): Likewise.
3298         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
3299         (aarch64_pop_regs): Likewise.
3300         (aarch64_process_components): Likewise.
3301         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
3302         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
3303         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
3304         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
3305         * config/arm/arm.c (arm_init_libfuncs): Likewise.
3306         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
3307         Likewise.
3308         * config/i386/i386-builtin.def (pcmpestr): Likewise.
3309         (pcmpistr): Likewise.
3310         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
3311         * config/mmix/mmix.c (mmix_output_condition): Likewise.
3312         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
3313         Likewise.
3314         * config/rl78/rl78.c (mduc_regs): Likewise.
3315         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
3316         (htm_expand_builtin): Likewise.
3317         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
3318         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
3319         * config/xtensa/xtensa.c (print_operand): Likewise.
3320         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
3321         (NUM_MODE_VECTOR_INT): Likewise.
3322         * genoutput.c (null_operand): Likewise.
3323         (output_operand_data): Likewise.
3324         * genrecog.c (print_parameter_value): Likewise.
3325         * lra.c (debug_operand_data): Likewise.
3326
3327 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3328
3329         * dwarf2out.c (scompare_loc_descriptor_wide)
3330         (scompare_loc_descriptor_narrow): New functions, split out from...
3331         (scompare_loc_descriptor): ...here.
3332         * expmed.c (emit_store_flag_int): New function, split out from...
3333         (emit_store_flag): ...here.
3334
3335 2017-08-30  Richard Biener  <rguenther@suse.de>
3336
3337         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
3338         (dwarf2out_early_finish): Move setting of AT_pubnames from
3339         early debug output to early finish.
3340
3341 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
3342
3343         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
3344         and -mdata-region to the assembler.
3345
3346 2017-08-30  Richard Biener  <rguenther@suse.de>
3347
3348         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
3349         attributes.
3350         (gen_subprogram_die): Add DW_AT_object_pointer only early.
3351         (dwarf2out_early_global_decl): Only generate a DIE for the
3352         abstract origin if it doesn't already exist or is a declaration DIE.
3353         (resolve_addr): Do not add the linkage name twice when
3354         generating a stub DIE for the DW_TAG_GNU_call_site target.
3355
3356 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3357
3358         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3359         Use machine_mode rather than int for arg1_mode.
3360
3361 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
3362
3363         PR target/82015
3364         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
3365         that the second argument of the built-in functions to unpack
3366         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
3367         switch statement instead a lot of if statements.
3368         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
3369         Allow 64-bit values to be in Altivec registers as well as
3370         traditional floating point registers.
3371         (pack<mode>, FMOVE128_VSX iterator): Likewise.
3372
3373 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
3374
3375         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
3376         MAX_REGS_PER_ADDRESS == 1.
3377
3378 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
3379
3380         * config/i386/i386.opt (flag_fentry): Do not init to -1.
3381         * config/i386/i386.c (ix86_option_override_internal): Simplify
3382         setting of opts->x_flag_entry.
3383
3384 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3385             Jakub Jelinek  <jakub@redhat.com>
3386             Richard Biener  <rguenther@suse.de>
3387
3388         PR tree-optimization/81503
3389         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
3390         folded constant fits in the target type; reorder tests for clarity.
3391
3392 2017-08-29  Martin Liska  <mliska@suse.cz>
3393
3394         * passes.def: Include pass_lower_switch.
3395         * stmt.c (dump_case_nodes): Remove and move to
3396         tree-switch-conversion.
3397         (case_values_threshold): Likewise.
3398         (expand_switch_as_decision_tree_p): Likewise.
3399         (emit_case_decision_tree): Likewise.
3400         (expand_case): Likewise.
3401         (balance_case_nodes): Likewise.
3402         (node_has_low_bound): Likewise.
3403         (node_has_high_bound): Likewise.
3404         (node_is_bounded): Likewise.
3405         (emit_case_nodes): Likewise.
3406         (struct simple_case_node): New struct.
3407         (add_case_node): Remove.
3408         (emit_case_dispatch_table): Use vector instead of case_list.
3409         (reset_out_edges_aux): Remove.
3410         (compute_cases_per_edge): Likewise.
3411         (expand_case): Build list of simple_case_node.
3412         (expand_sjlj_dispatch_table): Use it.
3413         * tree-switch-conversion.c (struct case_node): Moved from
3414         stmt.c and adjusted.
3415         (emit_case_nodes): Likewise.
3416         (node_has_low_bound): Likewise.
3417         (node_has_high_bound): Likewise.
3418         (node_is_bounded): Likewise.
3419         (case_values_threshold): Likewise.
3420         (reset_out_edges_aux): Likewise.
3421         (compute_cases_per_edge): Likewise.
3422         (add_case_node): Likewise.
3423         (dump_case_nodes): Likewise.
3424         (balance_case_nodes): Likewise.
3425         (expand_switch_as_decision_tree_p): Likewise.
3426         (emit_jump): Likewise.
3427         (emit_case_decision_tree): Likewise.
3428         (try_switch_expansion): Likewise.
3429         (do_jump_if_equal): Likewise.
3430         (emit_cmp_and_jump_insns): Likewise.
3431         (fix_phi_operands_for_edge): New function.
3432         (record_phi_operand_mapping): Likewise.
3433         (class pass_lower_switch): New pass.
3434         (pass_lower_switch::execute): New function.
3435         (make_pass_lower_switch): Likewise.
3436         (conditional_probability):
3437         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
3438         * tree-pass.h: Add make_pass_lower_switch.
3439
3440 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
3441
3442         PR target/80993
3443         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
3444         handlers as used.
3445
3446 2017-08-29  Richard Biener  <rguenther@suse.de>
3447
3448         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
3449         we do not add a DW_AT_inline attribute twice.
3450         (gen_subprogram_die): Remove code setting DW_AT_inline on
3451         DECL_ABSTRACT_P nodes.
3452
3453 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
3454
3455         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
3456         calls to internal functions.
3457         (gimplify_modify_expr): Likewise.
3458         * tree-call-cdce.c (use_internal_fn): Likewise.
3459         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
3460         (convert_to_divmod): Set the nothrow flag.
3461         * tree-if-conv.c (predicate_mem_writes):  Likewise.
3462         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
3463         (vectorizable_call): Likewise.
3464         (vectorizable_store): Likewise.
3465         (vectorizable_load): Likewise.
3466         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
3467         (vect_recog_mask_conversion_pattern): Likewise.
3468
3469 2017-08-29  Martin Liska  <mliska@suse.cz>
3470
3471         PR other/39851
3472         * gcc.c (driver_handle_option): Add new argument.
3473         * opts-common.c (handle_option): Pass
3474         target_option_override_hook.
3475         * opts-global.c (lang_handle_option): Add new option.
3476         (set_default_handlers):  Add new argument.
3477         (decode_options): Likewise.
3478         * opts.c (target_handle_option): Likewise.
3479         (common_handle_option): Call target_option_override_hook.
3480         * opts.h (struct cl_option_handler_func): Add hook for
3481         target option override.
3482         (struct cl_option_handlers): Likewise.
3483         (set_default_handlers): Add new argument.
3484         (decode_options): Likewise.
3485         (common_handle_option): Likewise.
3486         (target_handle_option): Likewise.
3487         * toplev.c (toplev::main): Pass targetm.target_option.override
3488         hook.
3489
3490 2017-08-29  Richard Biener  <rguenther@suse.de>
3491         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
3492
3493         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
3494         life to the active subtree.
3495
3496 2017-08-28  Jeff Law  <law@redhat.com>
3497
3498         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
3499         derive_equivalences.
3500         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
3501         Code moved into....
3502         (edge_info::derive_equivalences): New private member function
3503
3504         * tree-ssa-dom.c (class edge_info): Changed from a struct
3505         to a class.  Add ctor/dtor, methods and data members.
3506         (edge_info::edge_info): Renamed from allocate_edge_info.
3507         Initialize additional members.
3508         (edge_info::~edge_info): New.
3509         (free_dom_edge_info): Delete the edge info.
3510         (record_edge_info): Use new class & associated member functions.
3511         Tighten forms for testing for edge equivalences.
3512         (record_temporary_equivalences): Iterate over the simple
3513         equivalences rather than assuming there's only one per edge.
3514         (cprop_into_successor_phis): Iterate over the simple
3515         equivalences rather than assuming there's only one per edge.
3516         (optimize_stmt): Use operand_equal_p rather than pointer
3517         equality for mini-DSE code.
3518
3519 2017-08-28  Nathan Sidwell  <nathan@acm.org>
3520
3521         * gcc.c (execute): Fold SIGPIPE handling into switch
3522         statement.  Adjust internal error message.
3523
3524 2017-08-28  Richard Biener  <rguenther@suse.de>
3525
3526         PR debug/81993
3527         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
3528         Do nothing for removed DIEs.
3529
3530 2017-08-28  Richard Biener  <rguenther@suse.de>
3531
3532         PR tree-optimization/81977
3533         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
3534         memcpy.
3535
3536 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
3537
3538         PR target/80640
3539         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
3540         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
3541         using targetm.gen_mem_thread_fence.
3542
3543 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
3544
3545         PR target/81995
3546         * config/i386/i386.md (*<btsc><mode>): Change operand 2
3547         predicate to register_operand.  Reorder operands.
3548         (*btr<mode>): Ditto.
3549         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
3550         (*btr<mode>_mask): Ditto.
3551
3552 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
3553
3554         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
3555         * config/rs6000/xmmintrin.h: New file.
3556         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
3557
3558 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3559
3560         PR target/81504
3561         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
3562         parameter and_insn and return it.
3563         (recombine_lvx_pattern): Insert a copy to ensure availability of
3564         the base register of the copied masking operation at the point of
3565         the instruction replacement.
3566         (recombine_stvx_pattern): Likewise.
3567
3568 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
3569
3570         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
3571         undocumented switches.
3572         (-mpower9-dform-vector): Likewise.
3573         (-mpower9-dform): Likewise.
3574         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
3575         comments to delete references to -mpower9-dform* switches.
3576         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
3577         Delete reference to -mpower9-dform* switches, test for
3578         -mpower9-vector instead.
3579         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
3580         (OTHER_P9_VECTOR_MASKS): Likewise.
3581         (POWERPC_MASKS): Likewise.
3582         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
3583         tests against -mpower9-dform* to -mpower9-vector.  Delete code
3584         that checked for -mpower9-dform* consistancy with other options.
3585         Add test for -mpower9-misc to enable other power9 switches.
3586         (rs6000_init_hard_regno_mode_ok): Likewise.
3587         (rs6000_option_override_internal): Likewise.
3588         (rs6000_emit_prologue): Likewise.
3589         (rs6000_emit_epilogue): Likewise.
3590         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
3591         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
3592         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
3593         -mpower9-vector.
3594         (emit_fusion_p9_store): Likewise.
3595         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
3596         resetting these macros if the assembler does not support ISA 3.0
3597         instructions.
3598         (TARGET_P9_DFORM_VECTOR): Likewise.
3599         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
3600         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
3601
3602 2017-08-25  Alan Modra  <amodra@gmail.com>
3603
3604         PR rtl-optimization/81747
3605         * cse.c (cse_extended_basic_block): Don't attempt to record
3606         equivalences for degenerate conditional branches that branch
3607         to their fall-through.
3608
3609 2017-08-24  Martin Sebor  <msebor@redhat.com>
3610
3611         PR middle-end/81908
3612         * gimple-fold.c (size_must_be_zero_p): New function.
3613         (gimple_fold_builtin_memory_op): Call it.
3614
3615 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
3616
3617         * config/rs6000/mm_malloc.h: New file.
3618
3619 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
3620
3621         PR tree-optimization/81913
3622         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
3623         analysis when either IVs in condition can wrap.
3624
3625 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
3626
3627         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
3628         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
3629
3630 2017-08-24  Richard Biener  <rguenther@suse.de>
3631
3632         PR target/81921
3633         * targhooks.c (default_target_can_inline_p): Properly
3634         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
3635         is present and always compare.
3636         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
3637         infer -mfpmath=sse from TARGET_SSE_P.
3638         (ix86_can_inline_p): Properly use target_option_default_node when
3639         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
3640
3641 2017-08-24  Richard Biener  <rguenther@suse.de>
3642
3643         PR debug/81936
3644         * dwarf2out.c (output_die): Handle flag_generate_offload like
3645         flag_generate_lto.
3646         (output_comp_unit): Likewise.
3647         (gen_array_type_die): Likewise.
3648         (dwarf2out_early_finish): Likewise.
3649         (note_variable_value_in_expr): Likewise.
3650         (dwarf2out_finish): Likewise.  Adjust assert.
3651         * cgraphunit.c (symbol_table::compile): Move setting of
3652         flag_generate_offload earlier ...
3653         (symbol_table::finalize_compilation_unit): ... here, before
3654         early debug finalization.
3655
3656 2017-08-24  Richard Biener  <rguenther@suse.de>
3657
3658         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
3659         and ipa-fnsummary.h.
3660         (ix86_can_inline_p): When ix86_fpmath flags do not match
3661         check whether the callee uses FP math at all.
3662
3663 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
3664
3665         PR middle-end/81931
3666         * tree-ssanames.c (get_nonzero_bits): Use element_precision
3667         instead of TYPE_PRECISION.
3668
3669 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
3670             Alan Hayward  <alan.hayward@arm.com>
3671             David Sherwood  <david.sherwood@arm.com>
3672
3673         * combine.c (make_extraction): Use subreg_offset_from_lsb.
3674
3675 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
3676
3677         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
3678         Remove field.
3679         (ix86_frame::stack_realign_allocate): New field.
3680         (struct machine_frame_state): Modify comments.
3681         (machine_frame_state::sp_realigned_fp_end): New field.
3682         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
3683         layout calculation.
3684         (sp_valid_at): Add assertion to assure no attempt to access invalid
3685         offset of a realigned stack.
3686         (fp_valid_at): Likewise.
3687         (choose_baseaddr): Modify comments.
3688         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
3689         ix86_expand_prologue.
3690         (ix86_expand_prologue): Modify stack realignment and allocation.
3691         (ix86_expand_epilogue): Modify comments.
3692         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
3693         avx2_runtime, avx512f, and avx512f_runtime.
3694
3695 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
3696
3697         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
3698         (mstackrealign): Do not init to -1.
3699         * config/i386/i386.c (ix86_option_override_internal):
3700         Check opts_set, not opts when setting default value of
3701         opts->x_ix86_force_align_arg_pointer.
3702
3703 2017-08-23  Richard Biener  <rguenther@suse.de>
3704
3705         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
3706         lang_hooks.decl_printable_name.
3707         * print-rtl-function.c (print_rtx_function): Likewise.
3708         * tree-pretty-print.c (dump_function_header): Likewise.
3709
3710 2017-08-23  Richard Biener  <rguenther@suse.de>
3711
3712         PR lto/81940
3713         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
3714         -g0 at compile-time.
3715
3716 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
3717
3718         PR middle-end/19706
3719         * doc/sourcebuild.texi (Other hardware attributes):
3720         Document xorsign.
3721
3722 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
3723
3724         PR middle-end/19706
3725         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
3726         Fix single-use check.
3727
3728 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3729
3730         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
3731
3732 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
3733
3734         * doc/install.texi: Modify to add more details on running selected
3735         tests.
3736
3737 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
3738
3739         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
3740         is combined with -mabi=ms.
3741         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
3742         ms_abi.
3743
3744 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3745
3746         PR tree-optimization/81488
3747         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
3748         and cached_basis fields.
3749         (MAX_SPREAD): New constant.
3750         (alloc_cand_and_find_basis): Initialize new fields.
3751         (clear_visited): New function.
3752         (create_phi_basis_1): Rename from create_phi_basis, set visited
3753         and cached_basis fields.
3754         (create_phi_basis): New wrapper function.
3755         (phi_add_costs_1): Rename from phi_add_costs, add spread
3756         parameter, set visited field, short-circuit when limits reached.
3757         (phi_add_costs): New wrapper function.
3758         (record_phi_increments_1): Rename from record_phi_increments, set
3759         visited field.
3760         (record_phi_increments): New wrapper function.
3761         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
3762         (phi_incr_cost): New wrapper function.
3763         (all_phi_incrs_profitable_1): Rename from
3764         all_phi_incrs_profitable, set visited field.
3765         (all_phi_incrs_profitable): New wrapper function.
3766
3767 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
3768             Alan Hayward  <alan.hayward@arm.com>
3769             David Sherwood  <david.sherwood@arm.com>
3770
3771         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
3772         that takes the outer and inner modes.
3773         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
3774         comparison as the canonical test for a paradoxical subreg.
3775         * combine.c (simplify_set): Use paradoxical_subreg_p.
3776         (make_extraction): Likewise.
3777         (force_to_mode): Likewise.
3778         (rtx_equal_for_field_assignment_p): Likewise.
3779         (gen_lowpart_for_combine): Likewise.
3780         (simplify_comparison): Likewise.
3781         * cse.c (equiv_constant): Likewise.
3782         * expmed.c (store_bit_field_1): Likewise.
3783         * final.c (alter_subreg): Likewise.
3784         * fwprop.c (propagate_rtx): Likewise.
3785         (forward_propagate_subreg): Likewise.
3786         * ira-conflicts.c (ira_build_conflicts): Likewise.
3787         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
3788         * lra-constraints.c (curr_insn_transform): Likewise.
3789         (split_reg): Likewise.
3790         * lra-eliminations.c (move_plus_up): Likewise.
3791         (lra_eliminate_regs_1): Likewise.
3792         * recog.c (general_operand): Likewise.
3793         * ree.c (combine_reaching_defs): Likewise.
3794         * reload.c (push_reload): Likewise.
3795         (find_reloads): Likewise.
3796         * reload1.c (elimination_effects): Likewise.
3797         (compute_reload_subreg_offset): Likewise.
3798         (choose_reload_regs): Likewise.
3799         * rtlanal.c (subreg_lsb_1): Likewise.
3800         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3801         (simplify_subreg): Likewise.
3802         * var-tracking.c (track_loc_p): Likewise.
3803         * emit-rtl.c (byte_lowpart_offset): Likewise.
3804         (paradoxical_subreg_p): Delete out-of-line definition.
3805
3806 2017-08-22  Jeff Law  <law@redhat.com>
3807
3808         PR tree-optimization/81741
3809         PR tree-optimization/71947
3810         * tree-ssa-dom.c: Include tree-inline.h.
3811         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
3812         equivalences if one is more expensive to compute than the other.
3813         * tree-ssa-scopedtables.h (class const_or_copies): Make
3814         record_const_or_copy_raw method private.
3815         (class avail_exprs_stack): New method simplify_binary_operation.
3816         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
3817         avail_exprs_stack::simplify_binary_operation as needed.
3818         (avail_exprs_stack::simplify_binary_operation): New function.
3819
3820 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3821
3822         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
3823         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
3824         (DOT_SYMBOLS): Likewise.
3825         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3826         (RELOCATABLE_NEEDS_FIXUP): Likewise.
3827         (RS6000_ABI_NAME): Likewise.
3828         (TARGET_CMODEL): Likewise.
3829         (TOC_SECTION_ASM_OP): Likewise.
3830         (SET_CMODEL): New macro.
3831         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
3832
3833 2017-08-22  Richard Biener  <rguenther@suse.de>
3834
3835         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
3836         to allow for free-lang-data replacements similar to verify_type_variant.
3837
3838 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
3839             Alan Hayward  <alan.hayward@arm.com>
3840             David Sherwood  <david.sherwood@arm.com>
3841
3842         * config/aarch64/aarch64.md (casesi): Use DImode rather than
3843         VOIDmode for the LABEL_REF.
3844
3845 2017-08-22  Richard Biener  <rguenther@suse.de>
3846
3847         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
3848
3849 2017-08-22  Richard Biener  <rguenther@suse.de>
3850
3851         * common.opt (feliminate-dwarf2-dups): Ignore.
3852         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
3853         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
3854         same_die_p_wrap, compute_section_prefix,
3855         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
3856         (comdat_symbol_id, comdat_symbol_number): Likewise.
3857         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
3858         Likewise.
3859         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
3860         (output_die): Mark unreachable path unreachable.
3861         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
3862         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
3863         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
3864         (dwarf2out_early_finish): Likewise.
3865
3866 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
3867
3868         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
3869
3870 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
3871
3872         PR target/81910
3873         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
3874         not VAR_P. Filter attribute warnings with OPT_Wattributes.
3875         (avr_attribute_table) <io, io_low, address>: Initialize
3876         .decl_required with true.
3877
3878 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
3879
3880         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
3881         undocumented debugging options.
3882         (-mvsx-scalar-double): Likewise.
3883         (-mallow-df-permute): Likewise.
3884         (-mvectorize-builtins): Likewise.
3885         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
3886         (rs6000_builtin_vectorized_function): Likewise.
3887         (rs6000_builtin_md_vectorized_function): Likewise.
3888         (rs6000_opt_vars): Likewise.
3889
3890 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
3891
3892         PR target/46091
3893         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
3894         (*btrq_imm): Rename from *btrq.
3895         (*btcq_imm): Rename from *btcq.
3896         (btsc): New code attribute.
3897         (*<btsc><mode>): New insn pattern.
3898         (*btr<mode>): Ditto.
3899         (*<btsc><mode>_mask): New insn_and_split pattern.
3900         (*btr<mode>_mask): Ditto.
3901
3902 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3903             Alan Hayward  <alan.hayward@arm.com>
3904             David Sherwood  <david.sherwood@arm.com>
3905
3906         * function.c (pad_below): Simplify padding calculation.
3907
3908 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3909             Alan Hayward  <alan.hayward@arm.com>
3910             David Sherwood  <david.sherwood@arm.com>
3911
3912         * target.def (function_prologue): Remove frame size argument.
3913         (function_epilogue): Likewise.
3914         * doc/tm.texi: Regenerate.
3915         * final.c (final_start_function): Update call to function_prologue.
3916         (final_end_function): Update call to function_epilogue.
3917         (default_function_pro_epilogue): Remove frame size argument.
3918         * output.h (default_function_pro_epilogue): Likewise.
3919         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
3920         (arm_output_function_prologue): Likewise.
3921         * config/frv/frv.c (frv_function_prologue): Likewise.
3922         (frv_function_epilogue): Likewise.
3923         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
3924         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
3925         (ia64_output_function_epilogue): Likewise.
3926         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
3927         (m32r_output_function_epilogue): Likewise.
3928         * config/microblaze/microblaze.c (microblaze_function_prologue)
3929         (microblaze_function_epilogue): Likewise.
3930         * config/mips/mips.c (mips_output_function_prologue): Likewise.
3931         (mips_output_function_epilogue): Likewise.
3932         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
3933         (mmix_target_asm_function_epilogue): Likewise.
3934         * config/msp430/msp430.c (msp430_start_function): Likewise.
3935         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
3936         (nds32_asm_function_epilogue): Likewise.
3937         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
3938         * config/pa/pa.c (pa_output_function_prologue): Likewise.
3939         (pa_output_function_epilogue): Likewise.
3940         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
3941         (rs6000_output_function_epilogue): Likewise.
3942         * config/rl78/rl78.c (rl78_start_function): Likewise.
3943         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
3944         (rs6000_output_function_epilogue): Likewise.
3945         * config/rx/rx.c (rx_output_function_prologue): Likewise.
3946         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
3947         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
3948         (sparc_asm_function_epilogue): Likewise.
3949
3950 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3951
3952         * tree.h (type_has_mode_precision_p): New function.
3953         * convert.c (convert_to_integer_1): Use it.
3954         * expr.c (expand_expr_real_2): Likewise.
3955         (expand_expr_real_1): Likewise.
3956         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
3957         * match.pd: Likewise.
3958         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
3959         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
3960         * tree-tailcall.c (process_assignment): Likewise.
3961         * tree-vect-loop.c (vectorizable_reduction): Likewise.
3962         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
3963         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
3964         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
3965         (vectorizable_assignment): Likewise.
3966         (vectorizable_shift): Likewise.
3967         (vectorizable_operation): Likewise.
3968         * tree-vrp.c (register_edge_assert_for_2): Likewise.
3969
3970 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
3971
3972         * match.pd: Add pow (C, x) simplification.
3973
3974 2017-08-21  Richard Biener  <rguenther@suse.de>
3975
3976         PR tree-optimization/81900
3977         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
3978         for blocks with abnormal predecessors.
3979         (compute_antic): Do not set visited flag prematurely.
3980
3981 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
3982
3983         PR target/79883
3984         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
3985
3986 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
3987
3988         * stor-layout.h (vector_type_mode): Move to...
3989         * tree.h (vector_type_mode): ...here.
3990         * stor-layout.c (vector_type_mode): Move to...
3991         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
3992
3993 2017-08-21  Richard Biener  <rguenther@suse.de>
3994
3995         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
3996         register_external_die hooks.
3997         (debug_false_tree_charstarstar_uhwistar): Declare.
3998         (debug_nothing_tree_charstar_uhwi): Likewise.
3999         * debug.c (do_nothing_debug_hooks): Adjust.
4000         (debug_false_tree_charstarstar_uhwistar): New do nothing.
4001         (debug_nothing_tree_charstar_uhwi): Likewise.
4002         * dbxout.c (dbx_debug_hooks): Adjust.
4003         (xcoff_debug_hooks): Likewise.
4004         * sdbout.c (sdb_debug_hooks): Likewise.
4005         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4006         * dwarf2out.c (macinfo_label_base): New global.
4007         (dwarf2out_register_external_die): New function for the
4008         register_external_die hook.
4009         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
4010         (dwarf2_debug_hooks): Use them.
4011         (dwarf2_lineno_debug_hooks): Adjust.
4012         (struct die_struct): Add with_offset flag.
4013         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
4014         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
4015         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
4016         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
4017         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
4018         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
4019         defining section names for the early LTO debug variants.
4020         (reset_indirect_string): New helper.
4021         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
4022         (print_dw_val): Add support for offsetted symbol references.
4023         (get_ultimate_context): Split out from is_cxx.
4024         (is_cxx): Use get_ultimate_context.
4025         (is_fortran): Add decl overload.
4026         (compute_comp_unit_symbol): Split out worker from
4027         compute_section_prefix.
4028         (compute_section_prefix): Call compute_comp_unit_symbol and
4029         set comdat_type_p here.
4030         (output_die): Skip DIE symbol output for the LTO added one.
4031         Handle DIE symbol references with offset.
4032         (output_comp_unit): Guard section name mangling properly.
4033         For LTO debug sections emit a symbol at the section beginning
4034         which we use to refer to its DIEs.
4035         (add_abstract_origin_attribute): For DIEs registered via
4036         dwarf2out_register_external_die directly refer to the early
4037         DIE rather than indirectly through the shadow one we created.
4038         Remove obsolete call to dwarf2out_abstract_function for
4039         non-function/block origins.
4040         (gen_array_type_die): When generating early LTO debug do
4041         not emit DW_AT_string_length.
4042         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
4043         late when in LTO.  As suggested place a gcc_unreachable for
4044         the DECL_ABSTRACT_P case.
4045         (gen_subprogram_die): Avoid another specification DIE
4046         for early built declarations/definitions for the late LTO case.
4047         (gen_variable_die): Add type references for late duplicated VLA dies
4048         when in late LTO.
4049         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
4050         we have the abstract instance already.
4051         (process_scope_var): Adjust decl DIE contexts in LTO which
4052         first puts them in limbo.
4053         (gen_decl_die): Do not generate type DIEs late apart from
4054         types for VLAs or for decls we do not yet have a DIE.  Do not
4055         call dwarf2out_abstract_function late.
4056         (dwarf2out_early_global_decl): Make sure to create DIEs
4057         for abstract instances of a decl first.
4058         (dwarf2out_late_global_decl): Adjust comment.
4059         (output_macinfo_op): With multiple macro sections use
4060         macinfo_label_base to distinguish labels.
4061         (output_macinfo): Likewise.  Update macinfo_label_base.
4062         Pass in the line info label.
4063         (note_variable_value_in_expr): When generating LTO resolve
4064         all variable values here by generating DIEs as needed.
4065         (init_sections_and_labels): Add early LTO debug flag parameter
4066         and generate different sections and names if set.  Add generation
4067         counter for the labels so we can have multiple of them.
4068         (reset_dies): Helper to allow DIEs to be output multiple times.
4069         (dwarf2out_finish): When outputting DIEs to the fat part of an
4070         LTO object first reset DIEs.
4071         (dwarf2out_early_finish): Output early DIEs when generating LTO.
4072         (modified_type_die): Check for decl_ultimate_origin being self
4073         before recursing.
4074         (gen_type_die_with_usage): Likewise.
4075         (gen_typedef_die): Allow decl_ultimate_origin being self.
4076         (set_decl_abstract_flags): Remove.
4077         (set_block_abstract_flags): Likewise.
4078         (dwarf2out_abstract_function): Treat the early generated DIEs
4079         as the abstract copy and only add DW_AT_inline and
4080         DW_AT_artificial here and call set_decl_origin_self.
4081         If the DIE has an abstract origin don't do anything.
4082         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
4083         if we have none yet (Go fails to build one, PR78628).
4084         (variably_modified_type_p): Prevent endless recursion for Ada
4085         cyclic pointer types.
4086         * lto-streamer-in.c: Include debug.h.
4087         (dref_queue): New global.
4088         (lto_read_tree_1): Stream in DIE references.
4089         (lto_input_tree): Register DIE references.
4090         (input_function): Stream DECL_DEBUG_ARGS.
4091         * lto-streamer-out.c: Include debug.h.
4092         (lto_write_tree_1): Output DIE references.
4093         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
4094         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
4095         (output_function): Stream DECL_DEBUG_ARGS.
4096         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
4097         Stream DECL_ABSTRACT_ORIGIN.
4098         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
4099         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
4100         DECL_CONTEXT for file-scope decls.
4101         * lto-streamer.h (struct dref_entry): Declare.
4102         (dref_queue): Likewise.
4103         * cfgexpand.c (pass_expand::execute): Do not call the
4104         outlining_inline_function hook here.
4105         * lto-wrapper.c (debug_obj): New global.
4106         (tool_cleanup): Unlink it if required.
4107         (debug_objcopy): New function.
4108         (run_gcc): Handle early debug sections in the IL files by
4109         extracting them to separate files, partially linkin them and
4110         feeding the result back as result to the linker.
4111         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
4112         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
4113         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
4114         sections into a separate segment.
4115         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
4116         segments.
4117         (darwin_asm_dwarf_section): Likewise.
4118         (darwin_asm_output_dwarf_offset): Likewise.
4119         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
4120
4121 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4122             Alan Hayward  <alan.hayward@arm.com>
4123             David Sherwood  <david.sherwood@arm.com>
4124
4125         * read-md.h (md_reader::record_potential_iterator_use): Replace
4126         pointer argument with an rtx and an index.
4127         * read-rtl.c (iterator_group::apply_iterator): Likewise.
4128         (apply_mode_iterator): Likewise.
4129         (apply_code_iterator): Likewise.
4130         (apply_int_iterator): Likewise.
4131         (apply_subst_iterator): Likewise.
4132         (record_iterator_use): Likewise.
4133         (record_attribute_use): Likewise.
4134         (md_reader::record_potential_iterator_use): Likewise.  Update calls
4135         to record_iterator_use and apply_iterator.
4136         (iterator_use): Replace ptr with x and index.
4137         (attribute_use): Likewise.
4138         (apply_attribute_uses): Update calls to apply_iterator.
4139         (apply_iterators): Likewise.  Update initialization of iterator_use.
4140         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
4141         and record_potential_iterator_use.
4142         (rtx_reader::read_rtx_operand): Likewise.
4143
4144 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
4145             Alan Hayward  <alan.hayward@arm.com>
4146             David Sherwood  <david.sherwood@arm.com>
4147
4148         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
4149         CONST_WIDE_INT.
4150
4151 2017-08-21  Richard Biener  <rguenther@suse.de>
4152
4153         PR middle-end/81884
4154         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
4155         at struct end conservatively when comparing common bases.
4156
4157 2017-08-21  Richard Biener  <rguenther@suse.de>
4158
4159         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
4160         (mem_ref_in_stmt): Remove.
4161         (determine_max_movement): Use ref index to get at the reference.
4162         (invariantness_dom_walker::before_dom_children): Deal with
4163         lim data already initialized.
4164         (gather_mem_refs_stmt): Initialize lim data and record ref index.
4165
4166 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
4167
4168         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
4169         (TARGET_ISA_ROUND): Ditto.
4170         (TARGET_ROUND): Ditto.
4171         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
4172         * config/i386/i386.md: Ditto.
4173         * config/i386/sse.md: Ditto.
4174         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
4175         with OPTION_MASK_ISA_SSE4_1.
4176
4177 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
4178
4179         PR target/81894
4180         * doc/extend.texi (x86 Built-in Functions): Correct the name of
4181         __builtin_ia32_lzcnt_u16.
4182
4183 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
4184
4185         PR target/80210
4186         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
4187         (rs6000_set_current_function): Rewrite function to use it.
4188
4189 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
4190
4191         PR c/53037
4192         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
4193         and TYPE_WARN_IF_NOT_ALIGN.
4194         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
4195         (handle_warn_if_not_align): New.
4196         (place_union_field): Call handle_warn_if_not_align.
4197         (place_field): Call handle_warn_if_not_align.
4198         Copy TYPE_WARN_IF_NOT_ALIGN.
4199         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
4200         (layout_type): Likewise.
4201         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
4202         spare to 18.
4203         (tree_decl_common): Add warn_if_not_align.
4204         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
4205         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
4206         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
4207         (DECL_WARN_IF_NOT_ALIGN): Likewise.
4208         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
4209         * doc/extend.texi: Document warn_if_not_aligned attribute.
4210         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
4211
4212 2017-08-17  Martin Liska  <mliska@suse.cz>
4213
4214         PR bootstrap/81864
4215         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
4216         (get_data_dependence): Use it as pointer type.
4217         (distribute_loop): Likewise.
4218
4219 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4220
4221         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
4222         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
4223         (p8_vmrgow_<mode>_direct): New define_insn.
4224         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
4225         handle endianness for vmrgew and vmrgow permute patterns.
4226
4227 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
4228
4229         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
4230         * config/rs6000/rs6000-cpus.def: Remove comment.
4231         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
4232         (POWERPC_MASKS): Likewise.
4233         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
4234         use of TARGET_VSX_TIMODE.
4235         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
4236         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
4237         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
4238         (rs6000_option_override_internal): Remove dead code.
4239         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
4240         (rs6000_legitimize_reload_address): Likewise.
4241         (rs6000_legitimate_address_p): Likewise.
4242         (rs6000_opt_masks): Delete "vsx-timode".
4243         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
4244         from function comment.
4245         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
4246         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
4247         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
4248         condition.
4249         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
4250         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
4251         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
4252         (VSX_TI): Likewise.
4253         (VSX_M): Likewise.
4254         (define_peephole2): Likewise.
4255
4256 2017-08-17  Martin Sebor  <msebor@redhat.com>
4257
4258         PR c/81859
4259         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
4260         past the end of an array.
4261         (test_pp_format): Add test cases.
4262
4263 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
4264
4265         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
4266         missing ECF_NOTHROW flags.
4267
4268 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
4269
4270         PR target/72804
4271         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
4272         operands residing in integer registers.
4273         (*vsx_le_perm_load_<mode>): Likewise.
4274         (*vsx_le_perm_store_<mode>): Likewise.
4275         (define_peephole2): Add peepholes to optimize the above.
4276
4277 2017-08-17  Marek Polacek  <polacek@redhat.com>
4278
4279         PR middle-end/81814
4280         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
4281         to mimic what shorten_compare did.  Change the return type to bool.
4282         (fold_cond_expr_with_comparison): Update call to
4283         operand_equal_for_comparison_p.
4284         (fold_ternary_loc): Likewise.
4285
4286 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
4287
4288         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
4289         register.
4290         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
4291
4292 2017-08-17  Richard Biener  <rguenther@suse.de>
4293
4294         * tree-ssa-structalias.c (solve_graph): When propagating
4295         to successors update the graphs succ edges and avoid duplicate work.
4296
4297 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
4298
4299         PR target/81861
4300         * config/i386/i386.c (ix86_option_override_internal): Save target
4301         specific options after ix86_stack_protector_guard_reg was changed.
4302
4303 2017-08-17  Richard Biener  <rguenther@suse.de>
4304
4305         PR tree-optimization/81827
4306         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
4307         (new_var_info): Initialize it conservatively.
4308         (get_call_vi): Mark register vars.
4309         (new_scalar_tmp_constraint_exp): Likewise.
4310         (handle_rhs_call): Likewise.
4311         (handle_const_call): Likewise.
4312         (create_function_info_for): Likewise.
4313         (solve_constraints): Sort varinfos to separate register from
4314         non-register vars to pack points-to solution bitmaps during
4315         iteration.
4316
4317 2017-08-17  Marek Polacek  <polacek@redhat.com>
4318
4319         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
4320
4321 2017-08-17  Richard Biener  <rguenther@suse.de>
4322
4323         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
4324         to true when overflow is undefined and we saturated the result.
4325
4326 2017-08-17  Alan Modra  <amodra@gmail.com>
4327
4328         PR target/80938
4329         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
4330         Don't use store multiple if only one reg needs saving.
4331         (interesting_frame_related_regno): New function.
4332         (rs6000_frame_related): Don't emit frame info for regs that
4333         don't need saving.
4334         (rs6000_emit_epilogue): Likewise.
4335
4336 2017-08-16  Nathan Sidwell  <nathan@acm.org>
4337
4338         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
4339         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
4340         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
4341         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
4342         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
4343         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
4344         (verify_type): Adjust for TYPE_BINFO move.
4345         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
4346         process TYPE_BINFO directly.
4347         (hash_tree): Likewise.
4348         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
4349         Likewise.
4350         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
4351         Likewise.
4352
4353 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
4354
4355         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
4356
4357 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
4358
4359         PR target/46091
4360         * config/i386/i386.md (*anddi_1_btr): Change predicates of
4361         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
4362         Add ix86_binary_operator_ok to insn constraint.
4363         (*iordi_1_bts): Ditto.
4364         (*xordi_1_btc): Ditto.
4365         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
4366         Update corresponding peephole2 pattern.
4367         (*btrq): Ditto.
4368         (*btcq): Ditto.
4369
4370 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
4371
4372         PR tree-optimization/81832
4373         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
4374         copy loop header which has IFN_LOOP_DIST_ALIAS call.
4375
4376 2017-08-16  Marek Polacek  <polacek@redhat.com>
4377
4378         PR middle/81695
4379         * fold-const.c (fold_indirect_ref_1): Restore original behavior
4380         regarding size_zero_node.
4381
4382 2017-08-16  Martin Liska  <mliska@suse.cz>
4383
4384         PR target/81753
4385         * config.gcc: Respect previously set extra_objs in case
4386         of darwin target.
4387
4388 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
4389
4390         PR tree-optimization/81835
4391         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
4392         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
4393         not depend on the phi.
4394
4395 2017-08-16  Alan Modra  <amodra@gmail.com>
4396
4397         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
4398         dead code.
4399
4400 2017-08-16  Alan Modra  <amodra@gmail.com>
4401
4402         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
4403         (save_reg_p): ..into this.  Update all callers.
4404         (first_reg_to_save): Simplify.
4405
4406 2017-08-16  Alan Modra  <amodra@gmail.com>
4407
4408         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
4409         fixed regs.
4410
4411 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
4412
4413         PR target/78460
4414         PR target/67712
4415         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
4416         constant count if that count is less than 32.
4417
4418 2017-08-15  Nathan Sidwell  <nathan@acm.org>
4419
4420         * gcc.c (execute): Emit friendlier message if inferior is killed
4421         by an external cause.
4422
4423 2017-08-15  Richard Biener  <rguenther@suse.de>
4424
4425         PR tree-optimization/81790
4426         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
4427         CONSTRUCTORs from simplifying and VN.
4428
4429 2017-08-14  Martin Sebor  <msebor@redhat.com>
4430
4431         * builtin-attrs.def: Add comments.
4432
4433 2017-08-14  Martin Sebor  <msebor@redhat.com>
4434
4435         PR c/81117
4436         * doc/extend.texi (attribute nonstring): Document new attribute.
4437
4438 2017-08-14  Martin Sebor  <msebor@redhat.com>
4439
4440         PR c/81117
4441         * tree-diagnostic.c (default_tree_printer): Handle %G.
4442         * gimple-pretty-print.h (percent_G_format): Declare new function.
4443         * gimple-pretty-print.c (percent_G_format): Define.
4444         * tree-pretty-print.c (percent_K_format): Add argument.
4445
4446 2017-08-14  Martin Sebor  <msebor@redhat.com>
4447
4448         PR translation/79998
4449         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
4450         Remove a stray space.
4451
4452 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
4453
4454         PR target/46091
4455         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
4456         (*iordi_1_bts): Ditto.
4457         (*xordi_1_btc): Ditto.
4458
4459 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4460
4461         PR target/79845
4462         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
4463         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4464         Likewise.
4465         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
4466         quoted strings, and make more translator-friendly.
4467         (darwin_rs6000_override_options): Likewise.
4468         (rs6000_option_override_internal): Likewise.
4469         (rs6000_return_in_memory): Fix overlong line.
4470         (init_cmulative_args): Use quoted strings, and make more
4471         translator-friendly.
4472         (rs6000_pass_by_reference): Fix overlong line.
4473         (def_builtin): Use quoted strings.
4474         (altivec_expand_predicate_builtin): Use quoted strings, and make
4475         more translator-friendly.
4476         (htm_expand_builtin): Use quoted strings.
4477         (cpu_expand_builtin): Use quoted strings, and make more
4478         translator-friendly.
4479         (altivec_expand_builtin): Likewise.
4480         (paired_expand_predicate_builtin): Likewise.
4481         (rs6000_invalid_builtin): Likewise.
4482         (builtin_function_type): Use quoted strings.
4483         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
4484         more translator-friendly.
4485         (rs6000_trampoline_init): Likewise.
4486         (rs6000_handle_altivec_attribute): Likewise.
4487         (rs6000_inner_target_options): Use quoted strings.
4488         (rs6000_disable_incompatible_switches): Likewise.
4489         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
4490         strings, and make more translator-friendly.
4491         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
4492
4493 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
4494
4495         PR tree-optimization/81799
4496         * tree-loop-distribution.c (version_loop_by_alias_check): Force
4497         cond_expr to simple gimple operand.
4498
4499 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
4500
4501         PR middle-end/46932
4502         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
4503
4504 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
4505
4506         PR target/81754
4507         PR target/81268
4508         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
4509         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
4510         TARGET_GASISR_PROLOGUES.
4511         * config/avr/avr.c (avr_option_override): Same.
4512         (avr_pass_pre_proep::execute): Same.
4513
4514 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
4515
4516         PR target/81820
4517         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
4518         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
4519
4520 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
4521
4522         * config/i386/i386.md (*load_tp_<mode>): Redefine as
4523         define_insn_and_split.  Split to a memory load from 0 in
4524         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
4525         using PTR mode iterator.
4526         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
4527         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
4528         (*add_tp_<mode>): Redefine as define_insn_and_split.
4529         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
4530         address space.  Merge with *add_tp_x32 using PTR mode iterator.
4531         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
4532         Split to an add with a  memory load from 0 in
4533         DEFAULT_TLS_SEG_REG address space.
4534
4535 2017-08-12  Andrew Pinski  <apinski@cavium.com>
4536
4537         * config/aarch64/aarch64-option-extensions.def (rdma):
4538         Fix feature string to what Linux prints out in /proc/cpuinfo.
4539
4540 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
4541
4542         PR ada/79542
4543         * dwarf2out.c (modified_type_die): For C typedef types that have
4544         an ultimate origin, process the ultimate origin instead of the
4545         input type.
4546         (gen_typedef_die): Assert that input DECLs have no ultimate
4547         origin.
4548         (gen_type_die_with_usage): For typedef variants that have an
4549         ultimate origin, just call gen_decl_die on the original DECL.
4550         (process_scope_var): Avoid creating DIEs for local typedefs and
4551         concrete static variables.
4552
4553 2017-08-12  Alan Modra  <amodra@gmail.com>
4554
4555         PR target/81170
4556         PR target/81295
4557         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
4558         match gnu-user.h startfile.
4559         (ENDFILE_LINUX_SPEC): Similarly.
4560
4561 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
4562
4563         PR lto/81430
4564         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
4565         Remove function.
4566         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
4567
4568 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
4569         * config/aarch64/aarch64.md (mov<mode>): Change.
4570         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
4571         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
4572         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
4573
4574 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
4575
4576         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
4577         for storage order barriers.
4578
4579 2017-08-11  Martin Liska  <mliska@suse.cz>
4580
4581         PR tree-opt/79987
4582         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
4583         variables of void type.
4584
4585 2017-08-11  Martin Liska  <mliska@suse.cz>
4586
4587         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
4588         TARGET_SUPPORTS_ALIASES.
4589         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
4590         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
4591         (optimize_weakref): Likewise.
4592         * symtab.c (symtab_node::noninterposable_alias): Likewise.
4593         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
4594         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
4595
4596 2017-08-11  Martin Liska  <mliska@suse.cz>
4597
4598         PR ipa/81213
4599         * config/i386/i386.c (make_resolver_func): Do complete
4600         refactoring of the function.
4601
4602 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
4603
4604         PR target/81708
4605         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
4606         * config/i386/i386.c (ix86_stack_protect_guard): Use
4607         ix86_stack_protect_guard_symbol_str to generate varible declaration.
4608         * doc/invoke.texi (x86 Options): Document
4609         -mstack-protector-guard-symbol= option.
4610
4611 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
4612
4613         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
4614         * config/i386/i386.c (ix86_split_stack_guard): New function.
4615         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
4616         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
4617         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
4618         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
4619         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
4620         (split_stack_space_check): Call ix86_split_stack_guard.
4621
4622 2017-08-10  Martin Sebor  <msebor@redhat.com>
4623
4624         * print-tree.c (print_node): Print location using the established
4625         format %s:%i%i.
4626         Replace spaces with colons.
4627         (debug_raw, debug): Ditto.
4628
4629 2017-08-10  Martin Sebor  <msebor@redhat.com>
4630
4631         PR c++/81586
4632         * pretty-print.c (pp_format): Correct the handling of %s precision.
4633
4634 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4635
4636         PR target/81736
4637         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
4638         to ...
4639         (ix86_finalize_stack_frame_flags): This.  Also clear
4640         frame_pointer_needed if -fno-omit-frame-pointer is used without
4641         stack access.
4642         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
4643         with ix86_finalize_stack_frame_flags.
4644         (ix86_expand_epilogue): Likewise.
4645         (ix86_expand_split_stack_prologue): Likewise.
4646         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
4647
4648 2017-08-10  Martin Liska  <mliska@suse.cz>
4649
4650         PR c++/81355
4651         * c-attribs.c (handle_target_attribute):
4652         Report warning for an empty string argument of target attribute.
4653
4654 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
4655
4656         PR c/81687
4657         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
4658         LABEL_DECLs.
4659         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
4660         or DECL_NONLOCAL labels.
4661         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
4662         or DECL_NONLOCAL labels here.
4663
4664 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
4665
4666         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
4667         to indicate when early gimple folding has been disabled.
4668         (rs6000_gimple_fold_builtin): Add debug content.
4669         (rs6000_invalid_builtin): Fix whitespace.
4670         (rs6000_expand_builtin): Fix whitespace.
4671         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
4672
4673 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
4674
4675         PR target/80938
4676         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
4677         SAVE_MULTIPLE if not all the registers that saves, should be saved.
4678
4679 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
4680
4681         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
4682         (qdf24xx): Likewise.
4683         * config/aarch64/aarch64.md: Include falkor.md.
4684         * config/aarch64/falkor.md: New.
4685
4686 2017-08-09  Marek Polacek  <polacek@redhat.com>
4687
4688         PR c/81233
4689         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
4690         * diagnostic.c (emit_diagnostic): Add a comment.
4691         (emit_diagnostic_valist): New function.
4692
4693 2017-08-09  Marek Polacek  <polacek@redhat.com>
4694
4695         PR c/81417
4696         * input.c (make_location): New overload.
4697         * input.h (make_location): Declare.
4698
4699 2017-08-08  Alan Modra  <amodra@gmail.com>
4700             H.J. Lu  <hongjiu.lu@intel.com>
4701
4702         PR driver/81523
4703         * gcc.c (NO_PIE_SPEC): Delete.
4704         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
4705         exclusion..
4706         (LINK_PIE_SPEC): ..to here.
4707         (LINK_COMMAND_SPEC): Support -no-pie.
4708         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
4709         chain of crtbegin*.o selection, update for PIE_SPEC changes and
4710         format.
4711         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
4712         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
4713         (ENDFILE_CRTEND_SPEC): Similarly.
4714
4715 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
4716
4717         PR target/81708
4718         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
4719         (mstack-protector-guard-offset=): Ditto.
4720         * config/i386/i386.c (ix86_option_override): Handle
4721         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
4722         options.
4723         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
4724         ix86_stack_protect_guard_offset variables.
4725         (TARGET_STACK_PROTECT_GUARD): Always define.
4726         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
4727         and -mstack-protector-guard-offset= options.
4728
4729 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
4730
4731         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
4732         boundary case for the last candidate.
4733
4734 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
4735
4736         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
4737         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
4738
4739 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
4740
4741         PR middle-end/19706
4742         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
4743         * config/aarch64/aarch64-builtins.c
4744         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
4745         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
4746         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
4747
4748 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
4749             Andrew Pinski <pinskia@gmail.com>
4750
4751         PR middle-end/19706
4752         * internal-fn.def (XORSIGN): New.
4753         * optabs.def (xorsign_optab): New.
4754         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
4755         (convert_expand_mult_copysign): New.
4756         (pass_optimize_widening_mul::execute): Call
4757         convert_expand_mult_copysign.
4758
4759 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4760
4761         PR tree-optimization/81354
4762         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
4763         Insert on edges rather than explicitly creating landing pads.
4764         (analyze_candidates_and_replace): Commit edge inserts.
4765
4766 2017-08-08  Richard Biener  <rguenther@suse.de>
4767
4768         PR middle-end/81719
4769         * tree-ssa-loop-niter.c: Include tree-dfa.h.
4770         (expand_simple_operations): Also look through ADDR_EXPRs with
4771         MEM_REF bases treating them as POINTER_PLUS_EXPR.
4772
4773 2017-08-08  Richard Biener  <rguenther@suse.de>
4774
4775         PR tree-optimization/81723
4776         * tree-vect-slp.c (struct bst_traits): New hash traits.
4777         (bst_fail): New global.
4778         (vect_build_slp_tree_2): New worker, split out from ...
4779         (vect_build_slp_tree): ... this now wrapping it with using
4780         bst_fail set to cache SLP tree build fails.  Properly handle
4781         max_tree_size.
4782         (vect_analyze_slp_instance): Allocate and free bst_fail.
4783
4784 2017-08-08  Martin Liska  <mliska@suse.cz>
4785
4786         PR tree-opt/81696
4787         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
4788         LABEL_DECLs that can be from a different function.
4789
4790 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
4791
4792         PR tree-optimization/81744
4793         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
4794         loop's number of iterations.
4795
4796 2017-08-08  Martin Liska  <mliska@suse.cz>
4797
4798         * asan.c: Include header files.
4799         * attribs.c (build_decl_attribute_variant): New function moved
4800         from tree.[ch].
4801         (build_type_attribute_qual_variant): Likewise.
4802         (cmp_attrib_identifiers): Likewise.
4803         (simple_cst_list_equal): Likewise.
4804         (omp_declare_simd_clauses_equal): Likewise.
4805         (attribute_value_equal): Likewise.
4806         (comp_type_attributes): Likewise.
4807         (build_type_attribute_variant): Likewise.
4808         (lookup_ident_attribute): Likewise.
4809         (remove_attribute): Likewise.
4810         (merge_attributes): Likewise.
4811         (merge_type_attributes): Likewise.
4812         (merge_decl_attributes): Likewise.
4813         (merge_dllimport_decl_attributes): Likewise.
4814         (handle_dll_attribute): Likewise.
4815         (attribute_list_equal): Likewise.
4816         (attribute_list_contained): Likewise.
4817         * attribs.h (lookup_attribute): New function moved from tree.[ch].
4818         (lookup_attribute_by_prefix): Likewise.
4819         * bb-reorder.c: Include header files.
4820         * builtins.c: Likewise.
4821         * calls.c: Likewise.
4822         * cfgexpand.c: Likewise.
4823         * cgraph.c: Likewise.
4824         * cgraphunit.c: Likewise.
4825         * convert.c: Likewise.
4826         * dwarf2out.c: Likewise.
4827         * final.c: Likewise.
4828         * fold-const.c: Likewise.
4829         * function.c: Likewise.
4830         * gimple-expr.c: Likewise.
4831         * gimple-fold.c: Likewise.
4832         * gimple-pretty-print.c: Likewise.
4833         * gimple.c: Likewise.
4834         * gimplify.c: Likewise.
4835         * hsa-common.c: Likewise.
4836         * hsa-gen.c: Likewise.
4837         * internal-fn.c: Likewise.
4838         * ipa-chkp.c: Likewise.
4839         * ipa-cp.c: Likewise.
4840         * ipa-devirt.c: Likewise.
4841         * ipa-fnsummary.c: Likewise.
4842         * ipa-inline.c: Likewise.
4843         * ipa-visibility.c: Likewise.
4844         * ipa.c: Likewise.
4845         * lto-cgraph.c: Likewise.
4846         * omp-expand.c: Likewise.
4847         * omp-general.c: Likewise.
4848         * omp-low.c: Likewise.
4849         * omp-offload.c: Likewise.
4850         * omp-simd-clone.c: Likewise.
4851         * opts-global.c: Likewise.
4852         * passes.c: Likewise.
4853         * predict.c: Likewise.
4854         * sancov.c: Likewise.
4855         * sanopt.c: Likewise.
4856         * symtab.c: Likewise.
4857         * toplev.c: Likewise.
4858         * trans-mem.c: Likewise.
4859         * tree-chkp.c: Likewise.
4860         * tree-eh.c: Likewise.
4861         * tree-into-ssa.c: Likewise.
4862         * tree-object-size.c: Likewise.
4863         * tree-parloops.c: Likewise.
4864         * tree-profile.c: Likewise.
4865         * tree-ssa-ccp.c: Likewise.
4866         * tree-ssa-live.c: Likewise.
4867         * tree-ssa-loop.c: Likewise.
4868         * tree-ssa-sccvn.c: Likewise.
4869         * tree-ssa-structalias.c: Likewise.
4870         * tree-ssa.c: Likewise.
4871         * tree-streamer-in.c: Likewise.
4872         * tree-vectorizer.c: Likewise.
4873         * tree-vrp.c: Likewise.
4874         * tsan.c: Likewise.
4875         * ubsan.c: Likewise.
4876         * varasm.c: Likewise.
4877         * varpool.c: Likewise.
4878         * tree.c: Remove functions moved to attribs.[ch].
4879         * tree.h: Likewise.
4880         * config/aarch64/aarch64.c: Add attrs.h header file.
4881         * config/alpha/alpha.c: Likewise.
4882         * config/arc/arc.c: Likewise.
4883         * config/arm/arm.c: Likewise.
4884         * config/avr/avr.c: Likewise.
4885         * config/bfin/bfin.c: Likewise.
4886         * config/c6x/c6x.c: Likewise.
4887         * config/cr16/cr16.c: Likewise.
4888         * config/cris/cris.c: Likewise.
4889         * config/darwin.c: Likewise.
4890         * config/epiphany/epiphany.c: Likewise.
4891         * config/fr30/fr30.c: Likewise.
4892         * config/frv/frv.c: Likewise.
4893         * config/ft32/ft32.c: Likewise.
4894         * config/h8300/h8300.c: Likewise.
4895         * config/i386/winnt.c: Likewise.
4896         * config/ia64/ia64.c: Likewise.
4897         * config/iq2000/iq2000.c: Likewise.
4898         * config/lm32/lm32.c: Likewise.
4899         * config/m32c/m32c.c: Likewise.
4900         * config/m32r/m32r.c: Likewise.
4901         * config/m68k/m68k.c: Likewise.
4902         * config/mcore/mcore.c: Likewise.
4903         * config/microblaze/microblaze.c: Likewise.
4904         * config/mips/mips.c: Likewise.
4905         * config/mmix/mmix.c: Likewise.
4906         * config/mn10300/mn10300.c: Likewise.
4907         * config/moxie/moxie.c: Likewise.
4908         * config/msp430/msp430.c: Likewise.
4909         * config/nds32/nds32-isr.c: Likewise.
4910         * config/nds32/nds32.c: Likewise.
4911         * config/nios2/nios2.c: Likewise.
4912         * config/nvptx/nvptx.c: Likewise.
4913         * config/pa/pa.c: Likewise.
4914         * config/pdp11/pdp11.c: Likewise.
4915         * config/powerpcspe/powerpcspe.c: Likewise.
4916         * config/riscv/riscv.c: Likewise.
4917         * config/rl78/rl78.c: Likewise.
4918         * config/rx/rx.c: Likewise.
4919         * config/s390/s390.c: Likewise.
4920         * config/sh/sh.c: Likewise.
4921         * config/sol2.c: Likewise.
4922         * config/sparc/sparc.c: Likewise.
4923         * config/spu/spu.c: Likewise.
4924         * config/stormy16/stormy16.c: Likewise.
4925         * config/tilegx/tilegx.c: Likewise.
4926         * config/tilepro/tilepro.c: Likewise.
4927         * config/v850/v850.c: Likewise.
4928         * config/vax/vax.c: Likewise.
4929         * config/visium/visium.c: Likewise.
4930         * config/xtensa/xtensa.c: Likewise.
4931
4932 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
4933
4934         PR target/81593
4935         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
4936         constraints since the -mupper-regs-* switches have been
4937         eliminated.
4938         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
4939         into a vector from a double word element that was extracted from
4940         another vector, and eliminate extra XXPERMDI instructions.
4941         (vsx_concat_<mode>_2): Likewise.
4942         (vsx_concat_<mode>_3): Likewise.
4943         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
4944         concat to allow optimizing inserts from previous extracts.
4945
4946 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
4947
4948         * config/i386/i386.c (ix86_stack_protect_guard): Generate
4949         memory reference to a SSP offset in TLS address space.
4950         (ix86_print_operand) <case '@'>: Remove.
4951         (ix86_print_operand_punct_valid_p): Remove '@' code.
4952         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
4953         UNSPEC_SP_TLS_TEST.
4954         (stack_tls_protect_set_<mode>): Remove.
4955         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
4956         (stack_tls_protect_test_<mode>): Remove.
4957         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
4958
4959 2017-08-07  Olivier Hainque  <hainque@adacore.com>
4960
4961         PR target/81755
4962         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
4963
4964 2017-08-07  Douglas Rupp  <rupp@adacore.com>
4965
4966         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
4967         variable was referenced as multidir in command.
4968
4969 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
4970
4971         PR c/69389
4972         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
4973         BIT_FIELD_REF.
4974
4975 2017-08-07  Martin Liska  <mliska@suse.cz>
4976
4977         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
4978         * config/rl78/rl78.c: Add include of attribs.h.
4979         * config/sh/sh.c: Likewise.
4980         * config/v850/v850.c: Likewise.
4981
4982 2017-08-07  Tom de Vries  <tom@codesourcery.com>
4983
4984         PR middle-end/78266
4985         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
4986
4987 2017-08-07  Martin Liska  <mliska@suse.cz>
4988
4989         * config/mips/mips.c: Include attribs.h.
4990
4991 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
4992
4993         PR fortran/68829
4994         * doc/invoke.texi: Document change in behvaior for -Ofast for
4995         Fortran.
4996
4997 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
4998
4999         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
5000         Use gen_frame_mem.
5001         (aarch64_pop_regs): Likewise.
5002         (aarch64_gen_load_pair): Likewise.
5003         (aarch64_save_callee_saves): Likewise.
5004         (aarch64_restore_callee_saves): Likewise.
5005
5006 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5007
5008         * config/i386/i386.c: Revert the last change.
5009
5010 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5011
5012         PR target/81736
5013         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5014         to ...
5015         (ix86_finalize_stack_frame_flags): This.  Also clear
5016         frame_pointer_needed if -fno-omit-frame-pointer is used without
5017         stack access.
5018         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5019         with ix86_finalize_stack_frame_flags.
5020         (ix86_expand_epilogue): Likewise.
5021         (ix86_expand_split_stack_prologue): Likewise.
5022
5023 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5024
5025         PR target/81743
5026         * config/i386/i386.c (get_builtin_code_for_version): Set priority
5027         to P_AES for Westmere.
5028
5029 2017-08-07  Jonathan Yong  <10walls@gmail.com>
5030
5031         * config/i386/mingw.opt (fset-stack-executable): Removed.
5032         * config/i386/cygming.opt (fset-stack-executable): Moved
5033         from mingw.opt.
5034         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
5035
5036 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
5037
5038         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
5039
5040 2017-08-07  Marek Polacek  <polacek@redhat.com>
5041
5042         PR middle-end/81737
5043         * fold-const.c (fold_indirect_ref_1): Check type_domain.
5044
5045 2017-08-07  Martin Liska  <mliska@suse.cz>
5046
5047         * attribs.h (canonicalize_attr_name): New function.
5048         (cmp_attribs): Move from c-format.c and adjusted.
5049         (is_attribute_p): Moved from tree.h.
5050         * tree-inline.c: Add new includes.
5051         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
5052         (private_is_attribute_p): Remove.
5053         (private_lookup_attribute): Likewise.
5054         (private_lookup_attribute_by_prefix): Simplify.
5055         (remove_attribute): Use is_attribute_p.
5056         * tree.h: Remove removed declarations.
5057
5058 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
5059
5060         PR middle-end/81698
5061         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
5062         instead of computing it in the function.  Formatting fix.
5063         (expand_case): Don't rely on default_edge being the first edge,
5064         clear it if removing it, pass default_edge to
5065         emit_case_dispatch_table.
5066         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
5067         fix.
5068
5069 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
5070
5071         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
5072         insn in the function, emit NOP after the insn.
5073
5074 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5075
5076         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
5077         and element loops.
5078
5079 2017-08-06  Tom de Vries  <tom@codesourcery.com>
5080
5081         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
5082         loop.
5083
5084 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
5085
5086         PR tree-optimization/57371
5087         * match.pd: New pattern.
5088
5089 2017-08-04  Marek Polacek  <polacek@redhat.com>
5090
5091         PR middle-end/81695
5092         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
5093         perform the computation in offset_int.
5094
5095 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5096
5097         PR tree-optimization/81136
5098         * tree-vectorizer.h: Include tree-hash-traits.h.
5099         (vec_base_alignments): New typedef.
5100         (vec_info): Add a base_alignments field.
5101         (vect_record_base_alignments): Declare.
5102         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
5103         field.
5104         (DR_IS_CONDITIONAL_IN_STMT): New macro.
5105         (create_data_ref): Add an is_conditional_in_stmt argument.
5106         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
5107         the is_conditional_in_stmt field.
5108         (data_ref_loc): Add an is_conditional_in_stmt field.
5109         (get_references_in_stmt): Set the is_conditional_in_stmt field.
5110         (find_data_references_in_stmt): Update call to create_data_ref.
5111         (graphite_find_data_references_in_stmt): Likewise.
5112         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
5113         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
5114         (vect_record_base_alignment): New function.
5115         (vect_record_base_alignments): Likewise.
5116         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
5117         for nested statements even if we fail to compute a misalignment.
5118         Use pooled base alignments for unconditional references.
5119         (vect_find_same_alignment_drs): Compare base addresses instead
5120         of base objects.
5121         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
5122         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
5123
5124 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5125
5126         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
5127         Add an explicit name for the enum.  Use auto_vec for slp_instances
5128         and grouped_stores.
5129         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
5130         for all vectors.
5131         (_bb_vec_info): Add a constructor and destructor.
5132         (vinfo_for_stmt): Return NULL for uids of -1 as well.
5133         (destroy_loop_vec_info): Delete.
5134         (vect_destroy_datarefs): Likewise.
5135         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
5136         (vec_info::vec_info): New function.
5137         (vec_info::~vec_info): Likewise.
5138         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
5139         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
5140         destroy_loop_vec_info.
5141         * tree-vect-loop.c (new_loop_vec_info): Replace with...
5142         (_loop_vec_info::_loop_vec_info): ...this.
5143         (destroy_loop_vec_info): Replace with...
5144         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
5145         the stmt_vec_infos.  Leave handling of vec_info information to its
5146         destructor.  Remove explicit vector releases.
5147         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
5148         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
5149         * tree-vect-slp.c (new_bb_vec_info): Replace with...
5150         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
5151         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
5152         (destroy_bb_vec_info): Replace with...
5153         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
5154         information to its destructor.
5155         (vect_slp_analyze_bb_1): Use new and delete instead of
5156         new_bb_vec_info and destroy_bb_vec_info.
5157         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
5158         single delete.
5159
5160 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
5161
5162         * tree-data-ref.h (subscript): Add access_fn field.
5163         (data_dependence_relation): Add could_be_independent_p.
5164         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
5165         (same_access_functions): Move to tree-data-ref.c.
5166         * tree-data-ref.c (ref_contains_union_access_p): New function.
5167         (access_fn_component_p): Likewise.
5168         (access_fn_components_comparable_p): Likewise.
5169         (dr_analyze_indices): Add a reference to access_fn_component_p.
5170         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
5171         DR_ACCESS_FN.
5172         (constant_access_functions): Likewise.
5173         (add_other_self_distances): Likewise.
5174         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
5175         (initialize_data_dependence_relation): Use XCNEW and remove
5176         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
5177         of access functions that have the same type.  Allow the
5178         subsequence to end with different bases in some circumstances.
5179         Record the chosen access functions in SUB_ACCESS_FN.
5180         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
5181         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
5182         (subscript_dependence_tester_1): Likewise dra and drb.
5183         (build_classic_dist_vector): Update calls accordingly.
5184         (subscript_dependence_tester): Likewise.
5185         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
5186         DDR_COULD_BE_INDEPENDENT_P.
5187         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
5188         comp_alias_ddrs instead of may_alias_ddrs.
5189         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
5190         New function.
5191         (vect_analyze_data_ref_dependence): Use it if
5192         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
5193         distance vectors if that fails.
5194         (dependence_distance_ge_vf): New function.
5195         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
5196         LOOP_VINFO_MAY_ALIAS_DDRS.
5197
5198 2017-08-04  Richard Biener  <rguenther@suse.de>
5199
5200         PR middle-end/81705
5201         * fold-const.c (fold_binary_loc): Properly restrict
5202         minus_var0 && minus_var1 case when associating undefined overflow
5203         entities.
5204
5205 2017-08-04  Tom de Vries  <tom@codesourcery.com>
5206
5207         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
5208
5209 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5210
5211         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5212         Don't start diagnostic messages with a capital letter.
5213         * config/rs6000/rs6000.c (rs6000_option_override_internal):
5214         Likewise.
5215         (rs6000_invalid_builtin): Likewise.
5216         (rs6000_trampoline_init): Likewise.
5217
5218 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
5219
5220         PR target/81621
5221         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
5222         after setting changeable df flags.
5223
5224 2017-08-03  Richard Biener  <rguenther@suse.de>
5225
5226         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
5227         up if the use is in USE - X.
5228
5229 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
5230
5231         * toplev.c (dumpfile.h): New include.
5232         (internal_error_reentered): New static function.  Use it...
5233         (internal_error_function): ...here to handle reentered internal_error.
5234
5235 2017-08-03  Richard Biener  <rguenther@suse.de>
5236
5237         PR middle-end/81148
5238         * fold-const.c (split_tree): Add minus_var and minus_con
5239         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
5240         here but always use minus_*.
5241         (associate_trees): Assert we never associate with MINUS_EXPR
5242         and NULL first operand.  Do not recurse for PLUS_EXPR operands
5243         when associating as MINUS_EXPR either.
5244         (fold_binary_loc): Track minus_var and minus_con.
5245
5246 2017-08-03  Tom de Vries  <tom@codesourcery.com>
5247
5248         PR lto/81430
5249         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
5250         ACCEL_COMPILER, apply finish_options on
5251         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
5252
5253 2017-08-03  Tom de Vries  <tom@codesourcery.com>
5254
5255         PR target/81662
5256         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
5257         function_entry_patch_area_size > 0.
5258
5259 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
5260
5261         PR driver/81650
5262         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
5263         instead of 10??LU, perform unit multiplication in wide_int,
5264         don't change alloc_object_size_limit if the limit is larger
5265         than SSIZE_MAX.
5266
5267         PR tree-optimization/81655
5268         PR tree-optimization/81588
5269         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
5270         the case when ranges[i].low and high are 1 for unsigned type with
5271         precision 1.
5272
5273         PR middle-end/81052
5274         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
5275         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
5276
5277 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5278
5279         * tree-vrp.h: Add include guard.
5280
5281 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
5282
5283         PR target/81644
5284         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
5285         (ud2): New insn pattern.
5286         * config/i386/i386.c (ix86_expand_epilogue):
5287         For naked functions, generate ud2 instead of trap insn.
5288
5289 2017-08-02  Marek Polacek  <polacek@redhat.com>
5290
5291         PR other/81667
5292         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
5293
5294 2017-08-02  Tom de Vries  <tom@codesourcery.com>
5295             Cesar Philippidis  <cesar@codesourcery.com>
5296
5297         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
5298         Add missing edge probabilities.
5299
5300 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
5301
5302         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
5303         Correct endianness.
5304
5305 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
5306
5307         PR middle-end/79499
5308         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
5309         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
5310         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
5311         prologue_seq sequences - if any.
5312
5313 2017-08-02  Richard Biener  <rguenther@suse.de>
5314
5315         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
5316         via vectors if supported, integer extracts via punning if supported
5317         or otherwise vector extracts.
5318
5319 2017-08-02  Richard Biener  <rguenther@suse.de>
5320
5321         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
5322         into ...
5323         (bitmap_insert_into_set): ... this.
5324
5325 2017-08-02  Richard Biener  <rguenther@suse.de>
5326
5327         PR tree-optimization/81633
5328         Revert
5329         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
5330
5331         PR tree-optimization/71752
5332         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
5333
5334 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
5335
5336         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
5337         (machine_function::call_ms2sysv_pad_out): Remove field.
5338         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
5339         (ix86_compute_frame_layout): Likewise.
5340
5341 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
5342
5343         PR target/81654
5344         * config/i386/i386.c (ix86_set_func_type): Disallow naked
5345         attribute with interrupt attribute.
5346
5347 2017-08-01  Andrew Pinski  <apinski@cavium.com>
5348
5349         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
5350         BIT_INSERT_EXPR's operand 1
5351         to see if the types precision matches.
5352
5353 2017-08-01  Martin Liska  <mliska@suse.cz>
5354
5355         PR middle-end/70140
5356         * builtins.c (expand_builtin_memcpy_args): Remove.
5357         (expand_builtin_memcpy): Call newly added function
5358         expand_builtin_memory_copy_args.
5359         (expand_builtin_memcpy_with_bounds): Likewise.
5360         (expand_builtin_mempcpy): Remove last argument.
5361         (expand_builtin_mempcpy_with_bounds): Likewise.
5362         (expand_builtin_memory_copy_args): New function created from
5363         expand_builtin_mempcpy_args with small modifications.
5364         (expand_builtin_mempcpy_args): Remove.
5365         (expand_builtin_stpcpy): Remove unused argument.
5366         (expand_builtin): Likewise.
5367         (expand_builtin_with_bounds): Likewise.
5368
5369 2017-08-01  Martin Liska  <mliska@suse.cz>
5370
5371         Revert r250771
5372         Make mempcpy more optimal (PR middle-end/70140).
5373
5374 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
5375
5376         PR target/81622
5377         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
5378         __builtin_vec_cmpne verify both arguments are compatible vectors
5379         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
5380         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
5381         move computation of aligned to after checking the argument types.
5382         Formatting fixes.
5383
5384         PR target/80846
5385         * config/rs6000/vsx.md (vextract_fp_from_shorth,
5386         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
5387         calls.
5388
5389 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
5390             Doug Rupp  <rupp@adacore.com>
5391             Olivier Hainque  <hainque@adacore.com>
5392
5393         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
5394         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
5395         arm8 (arch v4).
5396         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
5397         for TARGET_OS_CPP_BUILTIN.
5398         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
5399         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
5400         arm_arch7.
5401         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
5402         passing required abi options to the assembler for EABI configurations.
5403         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
5404         of .text.hot and .text.unlikely sections for kernel modules when
5405         using ARM style exceptions.
5406         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
5407         options. Add EXTRA_CC1_SPEC.
5408         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
5409         toolchain options.
5410         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
5411         transition.
5412         (ARM_TARGET2_DWARF_FORMAT): Define.
5413         * config/arm/t-vxworks: Adjust multilib control to removal of the
5414         Diab command line options.
5415
5416 2017-08-01  Martin Liska  <mliska@suse.cz>
5417
5418         PR gcov-profile/81561
5419         * gcov.c (unblock): Make unblocking safe as we need to preserve
5420         index correspondence of blocks and block_lists.
5421
5422 2017-08-01  Richard Biener  <rguenther@suse.de>
5423
5424         PR tree-optimization/81181
5425         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
5426         (compute_antic): ... end of iteration here.
5427
5428 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
5429
5430         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
5431         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
5432         (ftree-slp-vectorize): Likewise.
5433         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
5434         can no longer be set independent of flag_tree_loop_vectorize.
5435         * omp-general.c (emp_max_vf): Likewise.
5436         * opts.c (enable_fdo_optimizations): Remove references to
5437         flag_tree_vectorize, these are now implicit.
5438         (common_handle_option): Remove handling for OPT_ftree_vectorize,
5439         and leave it for the options machinery.
5440
5441 2017-08-01  Martin Liska  <mliska@suse.cz>
5442
5443         PR middle-end/70140
5444         * builtins.c (expand_builtin_memcpy_args): Remove.
5445         (expand_builtin_memcpy): Call newly added function
5446         expand_builtin_memory_copy_args.
5447         (expand_builtin_memcpy_with_bounds): Likewise.
5448         (expand_builtin_mempcpy): Remove last argument.
5449         (expand_builtin_mempcpy_with_bounds): Likewise.
5450         (expand_builtin_memory_copy_args): New function created from
5451         expand_builtin_mempcpy_args with small modifications.
5452         (expand_builtin_mempcpy_args): Remove.
5453         (expand_builtin_stpcpy): Remove unused argument.
5454         (expand_builtin): Likewise.
5455         (expand_builtin_with_bounds): Likewise.
5456
5457 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
5458
5459         PR target/81641
5460         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
5461         print "ds:" only for immediates in generic address space.
5462
5463 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
5464
5465         PR target/81639
5466         * config/i386/i386.c (ix86_funciton_naked): New prototype.
5467         (ix86_function_ok_for_sibcall): Return false for naked functions.
5468
5469 2017-08-01  Richard Biener  <rguenther@suse.de>
5470
5471         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
5472         (compute_antic): Seed worklist with exit block predecessors.
5473         * cfganal.c (dfs_find_deadend): For a cycle return the source
5474         of the edge closing it.
5475
5476 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
5477
5478         * config/aarch64/aarch64.c
5479         (aarch64_can_const_movi_rtx_p): Move 0 check.
5480
5481 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
5482
5483         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
5484         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
5485         above macro.
5486         * match.pd: Ditto in address comparison pattern.
5487
5488 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
5489
5490         PR tree-optimization/81627
5491         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
5492         closed ssa form for store-store chain.
5493
5494 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
5495
5496         PR tree-optimization/81620
5497         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
5498         for store-store chain.
5499
5500 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
5501
5502         PR tree-optimization/81588
5503         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
5504         ranges[i].in_p, invert comparison code ccode.  For >/>=,
5505         swap rhs1 and rhs2 and comparison code unconditionally,
5506         for </<= don't do that.  Don't swap rhs1/rhs2 again if
5507         ranges[i].in_p, instead invert comparison code ccode if
5508         opcode or oe->rank is BIT_IOR_EXPR.
5509
5510         PR target/80846
5511         * optabs.def (vec_extract_optab, vec_init_optab): Change from
5512         a direct optab to conversion optab.
5513         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
5514         with GET_MODE_INNER as last argument instead of optab_handler.
5515         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
5516         vector extraction if possible and optab is available.
5517         * expr.c (store_constructor): Use convert_optab_handler instead
5518         of optab_handler.  Use vector initialization from smaller
5519         vectors if possible and optab is available.
5520         * tree-vect-stmts.c (vectorizable_load): Likewise.
5521         * doc/md.texi (vec_extract, vec_init): Document that the optabs
5522         now have two modes.
5523         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
5524         of vec_init from half-sized vectors with the same element mode.
5525         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
5526         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
5527         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
5528         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
5529         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
5530         after mode in gen_vec_extract* calls.
5531         (vec_extract<mode>): Renamed to ...
5532         (vec_extract<mode><ssescalarmodelower>): ... this.
5533         (vec_extract<mode><ssehalfvecmodelower>): New expander.
5534         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
5535         element mode after mode in gen_vec_init* calls.
5536         (VEC_INIT_HALF_MODE): New mode iterator.
5537         (vec_init<mode>): Renamed to ...
5538         (vec_init<mode><ssescalarmodelower>): ... this.
5539         (vec_init<mode><ssehalfvecmodelower>): New expander.
5540         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
5541         (vec_extractv2sfsf): ... this.
5542         (vec_initv2sf): Renamed to ...
5543         (vec_initv2sfsf): ... this.
5544         (vec_extractv2si): Renamed to ...
5545         (vec_extractv2sisi): ... this.
5546         (vec_initv2si): Renamed to ...
5547         (vec_initv2sisi): ... this.
5548         (vec_extractv4hi): Renamed to ...
5549         (vec_extractv4hihi): ... this.
5550         (vec_initv4hi): Renamed to ...
5551         (vec_initv4hihi): ... this.
5552         (vec_extractv8qi): Renamed to ...
5553         (vec_extractv8qiqi): ... this.
5554         (vec_initv8qi): Renamed to ...
5555         (vec_initv8qiqi): ... this.
5556         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
5557         (vec_init<mode>): Renamed to ...
5558         (vec_init<mode><VEC_base_l>): ... this.
5559         (vec_extract<mode>): Renamed to ...
5560         (vec_extract<mode><VEC_base_l>): ... this.
5561         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
5562         (vec_initv2sfsf): ... this.
5563         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
5564         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
5565         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
5566         element mode after mode in gen_vec_init* calls.
5567         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
5568         (vec_init<mode><Vel>): ... this.
5569         (vec_extract<mode>): Renamed to ...
5570         (vec_extract<mode><Vel>): ... this.
5571         * config/aarch64/iterators.md (Vel): New mode attribute.
5572         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
5573         Add element mode after mode in gen_vec_extract* calls.
5574         * config/s390/vector.md (non_vec_l): New mode attribute.
5575         (vec_extract<mode>): Renamed to ...
5576         (vec_extract<mode><non_vec_l>): ... this.
5577         (vec_init<mode>): Renamed to ...
5578         (vec_init<mode><non_vec_l>): ... this.
5579         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
5580         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
5581         vec_extract mode.
5582         * config/arm/iterators.md (V_elem_l): New mode attribute.
5583         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
5584         (vec_extract<mode><V_elem_l>): ... this.
5585         (vec_extractv2di): Renamed to ...
5586         (vec_extractv2didi): ... this.
5587         (vec_init<mode>): Renamed to ...
5588         (vec_init<mode><V_elem_l>): ... this.
5589         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
5590         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
5591         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
5592         Add element mode after gen_vec_extract* calls.
5593         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
5594         (vec_init<mode><unitmode>): ... this.
5595         (vec_extract<mode>): Renamed to ...
5596         (vec_extract<mode><unitmode>): ... this.
5597         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
5598         (vec_init<mode><unitmode>): ... this.
5599         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
5600         (vec_initv2sfsf): ... this.
5601         (vec_extractv2sf): Renamed to ...
5602         (vec_extractv2sfsf): ... this.
5603         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
5604         Add element mode after gen_vec_extract* calls.
5605         * config/mips/mips.md (unitmode): New mode iterator.
5606         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
5607         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
5608         * config/spu/spu.md (inner_l): New mode attribute.
5609         (vec_init<mode>): Renamed to ...
5610         (vec_init<mode><inner_l>): ... this.
5611         (vec_extract<mode>): Renamed to ...
5612         (vec_extract<mode><inner_l>): ... this.
5613         * config/sparc/sparc.md (veltmode): New mode iterator.
5614         (vec_init<VMALL:mode>): Renamed to ...
5615         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
5616         * config/ia64/vect.md (vec_initv2si): Renamed to ...
5617         (vec_initv2sisi): ... this.
5618         (vec_initv2sf): Renamed to ...
5619         (vec_initv2sfsf): ... this.
5620         (vec_extractv2sf): Renamed to ...
5621         (vec_extractv2sfsf): ... this.
5622         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
5623         (vec_init<mode>): Renamed to ...
5624         (vec_init<mode><VEC_base_l>): ... this.
5625         (vec_extract<mode>): Renamed to ...
5626         (vec_extract<mode><VEC_base_l>): ... this.
5627         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
5628         (vec_initv2sfsf): ... this.
5629         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
5630         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
5631         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
5632         gen_vec_init* calls.
5633
5634 2017-08-01  Richard Biener  <rguenther@suse.de>
5635
5636         PR tree-optimization/81297
5637         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
5638         TREE_OVERFLOW from INTEGER_CSTs.
5639
5640 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
5641
5642         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
5643
5644 2017-07-31  Carl Love  <cel@us.ibm.com>
5645
5646         * config/rs6000/rs6000-c: Add support for built-in functions
5647         vector signed char vec_xl_be (signed long long, signed char *);
5648         vector unsigned char vec_xl_be (signed long long, unsigned char *);
5649         vector signed int vec_xl_be (signed long long, signed int *);
5650         vector unsigned int vec_xl_be (signed long long, unsigned int *);
5651         vector signed long long vec_xl_be (signed long long, signed long long *);
5652         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
5653         vector signed short vec_xl_be (signed long long, signed short *);
5654         vector unsigned short vec_xl_be (signed long long, unsigned short *);
5655         vector double vec_xl_be (signed long long, double *);
5656         vector float vec_xl_be (signed long long, float *);
5657         * config/rs6000/altivec.h (vec_xl_be): Add #define.
5658         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
5659         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
5660         for the builtins.
5661         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
5662         (altivec_expand_builtin): Add switch statement to call
5663         altivec_expand_xl_be for each builtin.
5664         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
5665         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
5666         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
5667         __builtin_vsx_le_be_v16qi.
5668         * doc/extend.texi: Update the built-in documentation file for the
5669         new built-in functions.
5670
5671 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
5672
5673         PR target/25967
5674         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
5675         New function.
5676         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
5677
5678 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5679
5680         * config.gcc: Add z14.
5681         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
5682         CPU model numbers for z13s and z14.
5683         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
5684         arch12 with z14.
5685         * config/s390/s390-opts.h (enum processor_type): Rename
5686         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
5687         * config/s390/s390.c (processor_table): Add field for CPU name to
5688         be passed to Binutils.
5689         (s390_asm_output_machine_for_arch): Use the new field in
5690         processor_table for Binutils.
5691         (s390_expand_builtin): Replace arch12 with z14.
5692         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
5693         (s390_get_sched_attrmask): Likewise.
5694         (s390_get_unit_mask): Likewise.
5695         * config/s390/s390.opt: Add z14 to processor_type enum.
5696
5697 2017-07-31  Martin Jambor  <mjambor@suse.cz>
5698
5699         PR hsa/81477
5700         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
5701         regardless of optimization level.
5702
5703 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
5704             Martin Liska  <mliska@suse.cz>
5705
5706         * predict.def: Remove old comment and adjust probability.
5707         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
5708         PREDICT statements.
5709
5710 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
5711
5712         PR target/25967
5713         * config/i386/i386.c (ix86_function_naked): New function.
5714         (ix86_can_use_return_insn_p): Return false for naked functions.
5715         (ix86_expand_prologue): Skip prologue for naked functions.
5716         (ix86_expand_epilogue): Skip epilogue for naked functions
5717         and emit trap instruction.
5718         (ix86_warn_func_return): New function.
5719         (ix86_attribute_table): Add "naked" attribute specification.
5720         (TARGET_WARN_FUNC_RETURN): Define.
5721         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
5722
5723 2017-07-31  Martin Liska  <mliska@suse.cz>
5724
5725         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
5726         (dump_gimple_bb_header): Always dump BB info.
5727         (pp_cfg_jump): Do not append info about BB when dumping a jump.
5728
5729 2017-07-31  Martin Liska  <mliska@suse.cz>
5730
5731         PR sanitize/81530
5732         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
5733         also with current_function_decl non-null equality.
5734
5735 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
5736
5737         PR sanitizer/81604
5738         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
5739         change type to the element type, instead add eltype variable and
5740         use it where we are interested in the element type.
5741
5742         PR tree-optimization/81603
5743         * ipa-polymorphic-call.c
5744         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
5745         offset arithmetic in offset_int, bail out if the resulting bit offset
5746         doesn't fit into shwi.
5747
5748 2017-07-31  Martin Liska  <mliska@suse.cz>
5749
5750         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
5751         (gimplify_save_expr): Fix comment.
5752
5753 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
5754
5755         PR target/79793
5756         * config/i386/i386.c (ix86_function_arg): Update arguments for
5757         exception handler.
5758         (ix86_compute_frame_layout): Set the initial stack offset to
5759         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
5760         INCOMING_FRAME_SP_OFFSET.
5761         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
5762         stack before exception handler returns.
5763         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
5764         the 'ERROR_CODE' for exception handler.
5765
5766 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
5767
5768         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
5769         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
5770         (ASM_OUTPUT_REG_POP): Ditto.
5771         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
5772         instead of asm_fprintf to output pure string.
5773
5774 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
5775
5776         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
5777         to imported_module_or_decl hook.
5778         (debug_nothing_tree_tree_tree_bool): Remove.
5779         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
5780         * debug.c (do_nothing_debug_hooks): Use
5781         debug_nothing_tree_tree_tree_bool_bool instead of
5782         debug_nothing_tree_tree_tree_bool.
5783         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
5784         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
5785         * sdbout.c (sdb_debug_hooks): Likewise.
5786         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
5787         (gen_namespace_die): Add DW_AT_export_symbols attribute if
5788         langhook wants it.
5789         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
5790         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
5791         attribute, don't add anything.
5792
5793 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5794
5795         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
5796         (fold_build2_stat_loc): Likewise.
5797         (fold_build3_stat_loc): Likewise.
5798         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
5799         (fold_build1_loc): Remove macro.
5800         (fold_build2_loc): Likewise.
5801         (fold_build3_loc): Likewise.
5802
5803 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5804
5805         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
5806         (gimple_build_debug_bind_source_stat): Likewise.
5807         * gimple.h (gimple_build_debug_bind): Remove macro.
5808         (gimple_build_debug_bind_source): Likewise.
5809
5810 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5811
5812         * bitmap.c (bitmap_alloc): Adjust.
5813         (bitmap_gc_alloc): Likewise.
5814         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
5815
5816 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5817
5818         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
5819         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
5820         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
5821         (bitmap_gc_alloc_stat): Likewise.
5822         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
5823
5824 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5825
5826         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
5827         * rtl.h (shallow_copy_rtx): Remove macro.
5828
5829 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5830
5831         * emit-rtl.c (gen_raw_REG): Adjust.
5832         * gengenrtl.c (gendef): Likewise.
5833         * rtl.c (rtx_alloc_stat): Remove _stat from name.
5834         * rtl.h (rtx_alloc): Remove macro.
5835
5836 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5837
5838         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
5839         (build_tree_list_stat): Likewise.
5840         * tree.h (build_tree_list): Remove macro.
5841         (build_tree_list_vec): Likewise.
5842
5843 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5844
5845         * tree.c (make_vector_stat): Remove _stat from name.
5846         (build_vector_stat): Likewise.
5847         * tree.h (make_vector_stat): Remove macro.
5848         (build_vector_stat): Likewise.
5849
5850 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5851
5852         * tree.h (build_var_debug_value): Remove prototype.
5853
5854 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5855
5856         * tree.c (tree_cons_stat): Remove _stat from name.
5857         * tree.h (tree_cons): Remove macro.
5858
5859 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5860
5861         * tree.c (build_vl_exp_stat): Remove _stat from name.
5862         * tree.h (build_vl_exp): Remove macro.
5863
5864 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5865
5866         * tree.c (build_decl_stat): Remove _stat from name.
5867         * tree.h (build_decl): Remove macro.
5868
5869 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5870
5871         * gimple.c (gimple_build_with_ops_stat): Adjust.
5872         (gimple_alloc_stat): Remove _stat from name.
5873         * gimple.h (gimple_alloc): Remove macro.
5874
5875 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5876
5877         * tree.c (make_tree_vec_stat): Remove _stat from name.
5878         (grow_tree_vec_stat): Likewise.
5879         * tree.h (make_tree_vec_stat): Adjust prototype.
5880         (grow_tree_vec_stat): Likewise.
5881         (make_tree_vec): Remove macro.
5882         (grow_tree_vec): Likewise.
5883
5884 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5885
5886         * fold-const.c (fold_build1_stat_loc): Adjust.
5887         (fold_build2_stat_loc): Likewise.
5888         (fold_build3_stat_loc): Likewise.
5889         * tree.c (build0_stat): Remove _stat from name.
5890         (build1_stat): Likewise.
5891         (build2_stat): Likewise.
5892         (build3_stat): Likewise.
5893         (build4_stat): Likewise.
5894         (build5_stat): Likewise.
5895         * tree.h (build1_loc): Remove macro, and rename _stat function
5896         to this.
5897         (build2_loc): Likewise.
5898         (build3_loc): Likewise.
5899         (build4_loc): Likewise.
5900         (build5_loc): Likewise.
5901
5902 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5903
5904         * tree.c (make_int_cst_stat): Remove _stat from name.
5905         * tree.h (make_int_cst_stat): Adjust prototype.
5906         (make_int_cst): Remove macro.
5907
5908 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5909
5910         * tree.c (make_tre_binfo_stat): Remove _stat from name.
5911         * tree.h (make_tree_binfo_stat): Adjust prototype.
5912         (make_tree_binfo): Remove.
5913
5914 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5915
5916         * tree.c (copy_node_stat): Rename to copy_node.
5917         (build_distinct_type_copy): Adjust.
5918         * tree.h (copy_node_stat): Adjust prototype.
5919         (copy_node): Remove macro.
5920
5921 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5922
5923         * tree.c (make_node_stat): rename to make_node.
5924         (build_tree_list_stat): Adjust.
5925         (build0_stat): Likewise.
5926         (build2_stat): Likewise.
5927         (build3_stat): Likewise.
5928         (build4_stat): Likewise.
5929         (build5_stat): Likewise.
5930         (build_decl_stat): Likewise.
5931         * tree.h (make_node_stat): Adjust prototype.
5932         (make_node): remove macro.
5933
5934 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
5935
5936         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
5937         (PPC_FEATURE2_SCV): Likewise.
5938         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
5939
5940 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
5941
5942         * config/aarch64/aarch64.c
5943         (aarch64_internal_mov_immediate): Add new special pattern.
5944         * config/aarch64/aarch64.md (*movdi_aarch64):
5945         Add reg/32bit const mov case.
5946
5947 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
5948             Richard Sandiford <richard.sandiford@linaro.org>
5949
5950         * config/aarch64/aarch64.md (mov<mode>): Generalize.
5951         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
5952         Add integer and movi cases.
5953         (movi-split-hf-df-sf split, fp16): New.
5954         (enabled): Added TARGET_FP_F16INST.
5955         * config/aarch64/iterators.md (GPF_HF): New.
5956         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
5957
5958 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
5959
5960         * config/aarch64/aarch64.c
5961         (aarch64_simd_container_mode): Add prototype.
5962         (aarch64_expand_mov_immediate): Add HI support.
5963         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
5964         (aarch64_can_const_movi_rtx_p): New.
5965         (aarch64_preferred_reload_class):
5966         Remove restrictions of using FP registers for certain SIMD operations.
5967         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
5968         (aarch64_valid_floating_const): Add integer move validation.
5969         (aarch64_simd_imm_scalar_p): Remove.
5970         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
5971         (aarch64_legitimate_constant_p): Expand list of supported cases.
5972         * config/aarch64/aarch64-protos.h
5973         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
5974         (aarch64_reinterpret_float_as_int): New.
5975         (aarch64_simd_imm_scalar_p): Remove.
5976         * config/aarch64/constraints.md (Uvi): New.
5977         (Dd): Split into Ds and new Dd.
5978         * config/aarch64/aarch64.md (*movsi_aarch64):
5979         Add SIMD mov case.
5980         (*movdi_aarch64): Add SIMD mov case.
5981
5982 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5983
5984         * tree-predcom.c: (struct chain): Handle store-store chain in which
5985         stores for elimination only store loop invariant values.
5986         (execute_pred_commoning_chain): Ditto.
5987         (prepare_initializers_chain_store_elim): Ditto.
5988         (prepare_finalizers): Ditto.
5989         (is_inv_store_elimination_chain): New function.
5990         (initialize_root_vars_store_elim_1): New function.
5991
5992 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
5993
5994         * tree-predcom.c: Revise general description of the pass.
5995         (enum chain_type): New enum type for store elimination.
5996         (struct chain): New field supporting store elimination.
5997         (struct component): Ditto.
5998         (dump_chain): Dump store-stores chain.
5999         (release_chain): Release resources.
6000         (split_data_refs_to_components): Compute and create component
6001         contains only stores for elimination.
6002         (get_chain_last_ref_at): New function.
6003         (make_invariant_chain): Initialization.
6004         (make_rooted_chain): Specify chain type in parameter and record it.
6005         (add_looparound_copies): Skip for store-stores chain.
6006         (determine_roots_comp): Compute type of chain and pass it to
6007         make_rooted_chain.
6008         (initialize_root_vars_store_elim_2): New function.
6009         (finalize_eliminated_stores): New function.
6010         (remove_stmt): Handle store for elimination.
6011         (execute_pred_commoning_chain): Execute predictive commoning on
6012         store-store chains.
6013         (determine_unroll_factor): Skip unroll for store-stores chain.
6014         (prepare_initializers_chain_store_elim): New function.
6015         (prepare_initializers_chain): Hanlde store-store chain.
6016         (prepare_finalizers_chain, prepare_finalizers): New function.
6017         (tree_predictive_commoning_loop): Return integer value indicating
6018         if loop is unrolled or lcssa form is corrupted.
6019         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
6020
6021 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6022
6023         * tree-predcom.c (initialize_root): Delete.
6024         (execute_pred_commoning_chain): Initialize root vars and replace
6025         reference of non-combined chain directly, rather than call above
6026         function.
6027
6028 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6029
6030         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
6031         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
6032
6033 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6034
6035         * tree-predcom.c (struct chain): New field init_seq.
6036         (release_chain): Release init_seq.
6037         (prepare_initializers_chain): Record intialization stmts in above
6038         field.
6039         (insert_init_seqs): New function.
6040         (tree_predictive_commoning_loop): Call insert_init_seqs.
6041
6042 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
6043
6044         * tree-predcom.c (determine_roots_comp): Skip trivial components.
6045
6046 2017-07-28  Richard Biener  <rguenther@suse.de>
6047
6048         * match.pd: Remove superfluous :c.
6049         * genmatch.c (simplify::id): Add member.
6050         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
6051         Copy id.
6052         (current_id): New global.
6053         (dt_node::parent): Move from ...
6054         (dt_operand::parent): ... here.  Add for_id member.
6055         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
6056         (decision_tree::find_node): Relax order requirement when
6057         merging DT_TRUE nodes to ones inbetween the current simplify
6058         and the one we try to merge with.  Add diagnostic whenever
6059         we need to enforce pattern order by not merging.
6060         (decision_tree::insert): Set current_id.
6061         (decision_tree::print_node): Dump parent node and for_id.
6062         (parser::last_id): Add member.
6063         (parser::push_simplify): Assign unique id.
6064         (parser::parser): Initialize last_id.
6065
6066 2017-07-28  Martin Liska  <mliska@suse.cz>
6067
6068         PR sanitizer/81340
6069         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
6070         gimple_build_debug_bind.
6071
6072 2017-07-28  Richard Biener  <rguenther@suse.de>
6073
6074         PR tree-optimization/81502
6075         * match.pd: Add pattern combining BIT_INSERT_EXPR with
6076         BIT_FIELD_REF.
6077         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
6078         size/pos operands.
6079         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
6080         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
6081         for BIT_FIELD_REF args.
6082         * fold-const.c (make_bit_field_ref): Likewise.
6083         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
6084
6085 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6086
6087         PR sanitizer/80998
6088         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
6089         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
6090         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
6091         Or it into SANITIZER_UNDEFINED.
6092         * ubsan.c: Include gimple-fold.h and varasm.h.
6093         (ubsan_expand_ptr_ifn): New function.
6094         (instrument_pointer_overflow): New function.
6095         (maybe_instrument_pointer_overflow): New function.
6096         (instrument_object_size): Formatting fix.
6097         (pass_ubsan::execute): Call instrument_pointer_overflow
6098         and maybe_instrument_pointer_overflow.
6099         * internal-fn.c (expand_UBSAN_PTR): New function.
6100         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
6101         * sanitizer.def (__ubsan_handle_pointer_overflow,
6102         __ubsan_handle_pointer_overflow_abort): New builtins.
6103         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
6104         * internal-fn.def (UBSAN_PTR): New internal function.
6105         * opts.c (sanitizer_opts): Add pointer-overflow.
6106         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
6107         * fold-const.c (build_range_check): Compute pointer range check in
6108         integral type if pointer arithmetics would be needed.  Formatting
6109         fixes.
6110
6111 2017-07-28  Martin Liska  <mliska@suse.cz>
6112
6113         PR sanitizer/81460
6114         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
6115         parameters that are of a variable-length.
6116
6117 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6118
6119         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
6120         rs6000/biarch64.h.
6121         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
6122         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6123         (CRT_CALL_STATIC_FUNCTION): Likewise.
6124         (ASM_DEFAULT_SPEC): New define.
6125         (ASM_SPEC32): Likewise.
6126         (ASM_SPEC64): Likewise.
6127         (ASM_SPEC_COMMON): Likewise.
6128         (ASM_SPEC): Likewise.
6129         (INVALID_64BIT): Likewise.
6130         (LINK_OS_DEFAULT_SPEC): Likewise.
6131         (LINK_OS_SPEC32): Likewise.
6132         (LINK_OS_SPEC64): Likewise.
6133         (POWERPC_LINUX): Likewise.
6134         (PTRDIFF_TYPE): Likewise.
6135         (RESTORE_FP_PREFIX): Likewise.
6136         (RESTORE_FP_SUFFIX): Likewise.
6137         (SAVE_FP_PREFIX): Likewise.
6138         (SAVE_FP_SUFFIX): Likewise.
6139         (SIZE_TYPE): Likewise.
6140         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
6141         (TARGET_64BIT): Likewise.
6142         (TARGET_64BIT): Likewise.
6143         (TARGET_AIX): Likewise.
6144         (WCHAR_TYPE_SIZE): Likewise.
6145         (WCHAR_TYPE): Undefine.
6146         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
6147         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
6148         (CPP_OS_RTEMS_SPEC): Delete.
6149         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
6150         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
6151         link_os_spec64.
6152         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
6153
6154 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
6155
6156         PR tree-optimization/81578
6157         * tree-parloops.c (build_new_reduction): Bail out if
6158         reduction_code isn't one of the standard OpenMP reductions.
6159         Move the details printing after that decision.
6160
6161 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6162
6163         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
6164         related to reload_in_progress.
6165         (splat_input_operand): Likewise.
6166         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6167         Delete prototype.
6168         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
6169         field.
6170         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
6171         (TARGET_INSTANTIATE_DECLS): Likewise.
6172         (legitimate_indexed_address_p): Delete reload_in_progress code.
6173         (rs6000_debug_legitimate_address_p): Likewise.
6174         (rs6000_eliminate_indexed_memrefs): Likewise.
6175         (rs6000_emit_le_vsx_store): Likewise.
6176         (rs6000_emit_move_si_sf_subreg): Likewise.
6177         (rs6000_emit_move): Likewise.
6178         (register_to_reg_type): Likewise.
6179         (rs6000_pre_atomic_barrier): Likewise.
6180         (rs6000_machopic_legitimize_pic_address): Likewise.
6181         (rs6000_allocate_stack_temp): Likewise.
6182         (rs6000_address_for_fpconvert): Likewise.
6183         (rs6000_address_for_altivec): Likewise.
6184         (rs6000_secondary_memory_needed_rtx): Delete function.
6185         (rs6000_check_sdmode): Likewise.
6186         (rs6000_alloc_sdmode_stack_slot): Likewise.
6187         (rs6000_instantiate_decls): Likewise.
6188         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6189         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
6190         Delete reload_in_progress.
6191         (*vec_reload_and_plus_<mptrsize>): Likewise.
6192         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
6193         (vsx_div_v2di): Likewise.
6194         (vsx_udiv_v2di): Likewise.
6195
6196 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6197
6198         * config/rs6000/rs6000.opt (mlra): Replace with stub.
6199         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
6200         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
6201         (rs6000_debug_reg_global): Delete print of LRA status.
6202         (rs6000_option_override_internal): Delete dead LRA related code.
6203         (rs6000_lra_p): Delete function.
6204         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
6205
6206 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6207
6208         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
6209         * config/riscv/rtems.h: New file.
6210
6211 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6212             Sudakshina Das  <sudi.das@arm.com>
6213
6214         * config/aarch64/aarch64.md
6215         (define_split for and<mode>3nr_compare): Move
6216         non aarch64_logical_operand to a register.
6217         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
6218         register immediate operand to a register.
6219         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
6220
6221 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
6222
6223         PR middle-end/81564
6224         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
6225
6226 2017-07-27  Richard Biener  <rguenther@suse.de>
6227
6228         PR tree-optimization/81573
6229         PR tree-optimization/81494
6230         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
6231         multi defuse cycle case.
6232
6233 2017-07-27  Richard Biener  <rguenther@suse.de>
6234
6235         PR tree-optimization/81571
6236         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
6237         PHIs.
6238
6239 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
6240
6241         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
6242         earlier and only if MASK_FPU is set.  Adjust formatting.
6243
6244 2017-07-27  Martin Liska  <mliska@suse.cz>
6245
6246         * opt-functions.awk: Add validation of value of Init.
6247         * optc-gen.awk: Pass new argument.
6248
6249 2017-07-27  Martin Liska  <mliska@suse.cz>
6250
6251         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
6252         Fix wrong condition.
6253
6254 2017-07-27  Martin Liska  <mliska@suse.cz>
6255
6256         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
6257         BBs and edges seen by autoFDO.
6258
6259 2017-07-27  Richard Biener  <rguenther@suse.de>
6260
6261         PR tree-optimization/81502
6262         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
6263         with incompatible but same sized type.
6264         (execute_update_addresses_taken): Likewise.
6265
6266 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
6267
6268         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
6269         flag_tree_loop_vectorize rather than flag_tree_vectorize.
6270
6271 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6272
6273         PR target/81534
6274         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
6275         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
6276         Change s_operand to memory_operand.
6277
6278 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
6279
6280         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
6281         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
6282         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
6283         Emit instructions rather than returning an expression.  Handle TFmode
6284         and KFmode by casting to TImode.
6285         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
6286         (rs6000_emit_le_vsx_store): Likewise.
6287         * config/rs6000/vsx.md (VSX_TI): New iterator.
6288         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
6289         (*vsx_le_undo_permute_<mode>): Likewise.
6290         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
6291         emit the split sequence.
6292         (*vsx_le_perm_store_<mode>): Likewise.
6293
6294 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
6295
6296         PR tree-optimization/81555
6297         PR tree-optimization/81556
6298         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
6299         if true, force CHANGED for the recursive invocation.
6300         (reassociate_bb): Remember original length of ops array, pass
6301         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
6302
6303         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
6304         attributes for noipa attribute.  For naked attribute use
6305         lookup_attribute first before lookup_attribute_spec.
6306         * final.c (rest_of_handle_final): Disable IPA RA for functions with
6307         noipa attribute.
6308         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
6309         for functions with noipa attribute.
6310         (cgraph_externally_visible_p): Return true for functions with noipa
6311         attribute.
6312         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
6313         for functions with noipa attribute.
6314         * doc/extend.texi: Document noipa function attribute.
6315         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
6316         also for functions with noipa attribute.
6317         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
6318
6319 2017-07-26  Andrew Pinski  <apinski@cavium.com>
6320
6321         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
6322         vec_unalign_load_cost and vec_unalign_store_cost.
6323
6324 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
6325
6326         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
6327         -mvsx-small-integer option.
6328         (ISA_3_0_MASKS_IEEE): Likewise.
6329         (OTHER_VSX_VECTOR_MASKS): Likewise.
6330         (POWERPC_MASKS): Likewise.
6331         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
6332         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
6333         code, only testing for DImode being allowed in non-VSX floating
6334         point registers.
6335         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
6336         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
6337         another VSX test.
6338         (rs6000_option_override_internal): Delete -mvsx-small-integer.
6339         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
6340         TARGET_P8_VECTOR test.
6341         (rs6000_secondary_reload_simple_move): Likewise.
6342         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
6343         since TARGET_P9_VECTOR was already tested.
6344         (rs6000_opt_masks): Remove -mvsx-small-integer.
6345         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
6346         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6347         used.
6348         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
6349         test for TARGET_VEXTRACTUB was used, and that uses
6350         TARGET_P9_VECTOR.
6351         (p9 extract splitter): Likewise.
6352         (vsx_extract_<mode>_di_p9): Likewise.
6353         (vsx_extract_<mode>_store_p9): Likewise.
6354         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
6355         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
6356         the elimination of TARGET_VSX_SMALL_INTEGER.
6357         (vsx_extract_<mode>_p8): Likewise.
6358         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
6359         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
6360         (vsx_set_<mode>_p9): Likewise.
6361         (vsx_set_v4sf_p9): Likewise.
6362         (vsx_set_v4sf_p9_zero): Likewise.
6363         (vsx_insert_extract_v4sf_p9): Likewise.
6364         (vsx_insert_extract_v4sf_p9_2): Likewise.
6365         * config/rs6000/rs6000.md (sign extend splitter): Change
6366         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
6367         (floatsi<mode>2_lfiwax_mem): Likewise.
6368         (floatunssi<mode>2_lfiwzx_mem): Likewise.
6369         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
6370         since a test for TARGET_P9_VECTOR was used.
6371         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6372         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
6373         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6374         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
6375         TARGET_P8_VECTOR test.
6376         (fix_trunc<mode>si2_stfiwx): Likewise.
6377         (fix_trunc<mode>si2_internal): Likewise.
6378         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
6379         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6380         used.
6381         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6382         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
6383         TARGET_P8_VECTOR test.
6384         (fixuns_trunc<mode>si2_stfiwx): Likewise.
6385         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
6386         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
6387         used.
6388         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
6389         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
6390         since a test for TARGET_P9_VECTOR was used.
6391         (splitter for loading small constants): Likewise.
6392
6393 2017-07-26  Andrew Pinski  <apinski@cavium.com>
6394
6395         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
6396         vec_fp_stmt_cost.
6397
6398 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
6399
6400         PR target/81563
6401         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
6402         (fp_valid_at): Likewise.
6403
6404 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
6405
6406         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
6407         (qdf24xx_addrcost_table): Likewise.
6408         (cortexa57_tunings): Update to use generic_branch_cost.
6409         (cortexa72_tunings): Likewise.
6410         (cortexa73_tunings): Likewise.
6411         (qdf24xx_tunings): Likewise.
6412
6413 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
6414
6415         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
6416         (thunderx2t99_branch_cost): Likewise.
6417         (cortexa35_tunings): Update to use generic_branch_cost.
6418         (cortexa53_tunings): Likewise.
6419         (cortexa57_tunings): Likewise.
6420         (cortexa72_tunings): Likewise.
6421         (cortexa73_tunings): Likewise.
6422         (thunderx2t99_tunings): Likewise.
6423
6424 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6425
6426         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
6427         (sparc_option_override): Honour MASK_FSMULD.
6428         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
6429         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
6430         * config/sparc/sparc.opt (mfsmuld): New option.
6431         * doc/invoke.texi (mfsmuld): Document option.
6432
6433 2017-07-26  Marek Polacek  <polacek@redhat.com>
6434
6435         PR middle-end/70992
6436         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
6437
6438 2017-07-26  Richard Biener  <rguenther@suse.de>
6439
6440         * gimple-match-head.c (do_valueize): Return OP if valueize
6441         returns NULL_TREE.
6442         (get_def): New helper to get at the def stmt of a SSA name
6443         if valueize allows.
6444         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
6445         do_valueize to get at the def stmt.
6446         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
6447
6448 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
6449
6450         PR middle-end/46932
6451         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
6452
6453 2017-07-26  Martin Liska  <mliska@suse.cz>
6454
6455         PR sanitize/81186
6456         * function.c (expand_function_start): Make expansion of
6457         nonlocal_goto_save_area after parm_birth_insn.
6458
6459 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6460
6461         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
6462         from all CPU target flags enable members.
6463
6464 2017-07-26  Richard Biener  <rguenther@suse.de>
6465
6466         * genmatch.c (dt_simplify::gen): Make iterator vars const.
6467         (decision_tree::gen): Make 'type' const.
6468         (write_predicate): Likewise.
6469
6470 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6471
6472         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
6473         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
6474         (rs6000_option_override_internal): Likewise.
6475         (rs6000_expand_vector_set): Likewise.
6476         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
6477         (TARGET_UPPER_REGS_SF): Likewise.
6478         (TARGET_UPPER_REGS_DI): Likewise.
6479         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
6480         (TARGET_DIRECT_MOVE_64BIT): Likewise.
6481         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
6482         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
6483         (Splitters for DI constants in Altivec registers): Likewise.
6484         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
6485         (vsx_set_v4sf_p9): Likewise.
6486         (vsx_set_v4sf_p9_zero): Likewise.
6487         (vsx_insert_extract_v4sf_p9): Likewise.
6488         (vsx_insert_extract_v4sf_p9_2): Likewise.
6489
6490 2017-07-25  Carl Love  <cel@us.ibm.com>
6491
6492         * doc/extend.texi: Update the built-in documentation file for the
6493         existing built-in functions
6494         vector signed char vec_cnttz (vector signed char);
6495         vector unsigned char vec_cnttz (vector unsigned char);
6496         vector signed short vec_cnttz (vector signed short);
6497         vector unsigned short vec_cnttz (vector unsigned short);
6498         vector signed int vec_cnttz (vector signed int);
6499         vector unsigned int vec_cnttz (vector unsigned int);
6500         vector signed long long vec_cnttz (vector signed long long);
6501         vector unsigned long long vec_cnttz (vector unsigned long long);
6502
6503 2017-07-25  Andrew Pinski  <apinski@cavium.com>
6504
6505         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
6506         accesses where the use is for the first operand of a BIT_INSERT.
6507
6508 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
6509
6510         PR bootstrap/81521
6511         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
6512         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
6513
6514 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
6515
6516         * config/i386/gstabs.h: Delete.
6517         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
6518
6519 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
6520
6521         * config/i386/i386.c (ix86_decompose_address): Do not check for
6522         register RTX when looking at index_reg or base_reg.
6523         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
6524
6525 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
6526
6527         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
6528         to update EH info here.
6529
6530 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
6531
6532         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
6533
6534 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
6535
6536         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
6537
6538 2017-07-25  Torsten Duwe  <duwe@suse.de>
6539
6540         * common.opt: Introduce -fpatchable-function-entry
6541         command line option, and its variables function_entry_patch_area_size
6542         and function_entry_patch_area_start.
6543         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
6544         including a two-value parser.
6545         * target.def (print_patchable_function_entry): New target hook.
6546         * targhooks.h (default_print_patchable_function_entry): New function.
6547         * targhooks.c (default_print_patchable_function_entry): Likewise.
6548         * toplev.c (process_options): Switch off IPA-RA if
6549         patchable function entries are being generated.
6550         * varasm.c (assemble_start_function): Look at the
6551         patchable-function-entry command line switch and current
6552         function attributes and maybe generate NOP instructions by
6553         calling the print_patchable_function_entry hook.
6554         * doc/extend.texi: Document patchable_function_entry attribute.
6555         * doc/invoke.texi: Document -fpatchable_function_entry
6556         command line option.
6557         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
6558         New target hook.
6559         * doc/tm.texi: Re-generate.
6560
6561 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
6562
6563         PR target/81532
6564         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
6565         TARGET_AVX512DQ rather than TARGET_AVX512BW.
6566
6567 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
6568
6569         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
6570
6571 2017-07-25  Richard Biener  <rguenther@suse.de>
6572
6573         PR tree-optimization/81455
6574         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
6575         not walk in cycles when looking for guards.
6576
6577 2017-07-25  Richard Biener  <rguenther@suse.de>
6578
6579         PR tree-optimization/81529
6580         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
6581         when optimizing backedge uses.
6582
6583 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
6584
6585         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
6586         character for AIX.
6587         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
6588         to dl_section_ref.  On AIX, append an expression to subtract
6589         the size of the section length to dl_section_ref.
6590
6591 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
6592
6593         * configure.ac: If any of the config.* scripts fail, exit 1.
6594         * configure: Regenerate.
6595
6596 2017-07-25  Richard Biener  <rguenther@suse.de>
6597
6598         PR middle-end/81546
6599         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
6600         of immediate uses, be more verbose on errors.
6601
6602 2017-07-25  Richard Biener  <rguenther@suse.de>
6603
6604         PR tree-optimization/81510
6605         * tree-vect-loop.c (vect_is_simple_reduction): When the
6606         reduction stmt is not inside the loop bail out.
6607
6608 2017-07-25  Richard Biener  <rguenther@suse.de>
6609
6610         PR tree-optimization/81303
6611         * tree-vect-loop-manip.c (vect_loop_versioning): Build
6612         profitability check against LOOP_VINFO_NITERSM1.
6613
6614 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
6615
6616         * domwalk.c (cmp_bb_postorder): Simplify.
6617         (sort_bbs_postorder): New function.  Use it...
6618         (dom_walker::walk): ...here to optimize common cases.
6619
6620 2017-07-25  Martin Liska  <mliska@suse.cz>
6621
6622         PR ipa/81520
6623         * ipa-visibility.c (function_and_variable_visibility): Make the
6624         redirection just on target that supports aliasing.
6625         Fix GNU coding style.
6626
6627 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
6628
6629         PR libgcc/61152
6630         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
6631         Format changes.
6632         * config/arm/rtems.h: Likewise.
6633         * config/bfin/rtems.h: Likewise.
6634         * config/i386/rtemself.h: Likewise.
6635         * config/lm32/rtems.h: Likewise.
6636         * config/m32c/rtems.h: Likewise.
6637         * config/m68k/rtemself.h: Likewise.
6638         * config/microblaze/rtems.h: Likewise.
6639         * config/mips/rtems.h: Likewise.
6640         * config/moxie/rtems.h: Likewise.
6641         * config/nios2/rtems.h: Likewise.
6642         * config/powerpcspe/rtems.h: Likewise.
6643         * config/rs6000/rtems.h: Likewise.
6644         * config/rtems.h: Likewise.
6645         * config/sh/rtems.h: Likewise.
6646         * config/sh/rtemself.h: Likewise.
6647         * config/sparc/rtemself.h: Likewise.
6648
6649 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
6650
6651         PR 81487
6652         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
6653         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
6654         * tree-ssa-structalias.c (alias_get_name): Same.
6655
6656 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
6657
6658         PR target/81414
6659         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
6660         instructions if no du chain is found.
6661
6662 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
6663
6664         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
6665
6666 2017-07-25  Richard Biener  <rguenther@suse.de>
6667
6668         PR middle-end/81505
6669         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
6670         sticky.
6671
6672 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6673
6674         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
6675         upper-regs options.
6676         (ISA_2_7_MASKS_SERVER): Likewise.
6677         (ISA_3_0_MASKS_IEEE): Likewise.
6678         (OTHER_P8_VECTOR_MASKS): Likewise.
6679         (OTHER_VSX_VECTOR_MASKS): Likewise.
6680         (POWERPC_MASKS): Likewise.
6681         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
6682         duplicate list of options.
6683         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
6684         explicit -mupper-regs options.
6685         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
6686         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
6687         alias for -mupper-regs-df.
6688         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
6689         (rs6000_init_hard_regno_mode_ok): Likewise.
6690         (rs6000_option_override_internal): Likewise.
6691         (rs6000_opt_masks): Likewise.
6692         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
6693         options in terms of whether -mvsx or -mpower8-vector was used.
6694         (TARGET_UPPER_REGS_DI): Likewise.
6695         (TARGET_UPPER_REGS_SF): Likewise.
6696         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
6697         -mupper-regs-* options.
6698
6699 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
6700
6701         * passes.c (emergency_dump_function): Print some empty lines and a
6702         header before the RTL dump.
6703
6704 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
6705
6706         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
6707
6708 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
6709
6710         PR target/79041
6711         * config/aarch64/aarch64.c (aarch64_classify_symbol):
6712         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
6713
6714 2017-07-24  Carl Love  <cel@us.ibm.com>
6715
6716         * config/rs6000/rs6000-c.c: Add support for built-in functions
6717         vector float vec_extract_fp32_from_shorth (vector unsigned short);
6718         vector float vec_extract_fp32_from_shortl (vector unsigned short);
6719         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
6720         vec_extract_fp_from_shortl): Add defines for the two builtins.
6721         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
6722         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
6723         new builtins.
6724         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
6725         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
6726         * doc/extend.texi: Update the built-in documentation file for the
6727         new built-in function.
6728
6729 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
6730
6731         PR bootstrap/81521
6732         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
6733         documentation.
6734         * doc/generic.texi: Likewise.
6735         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
6736         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
6737
6738 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
6739
6740         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
6741         (aarch64_mls_elt_merge<mode>): Likewise.
6742
6743 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
6744
6745         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
6746         having __cxa_atexit.
6747
6748 2017-07-23  Michael Collison  <michael.collison@arm.com>
6749
6750         * config/arm/arm.c (arm_option_override): Deprecate
6751         use of -mstructure-size-boundary.
6752         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
6753         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
6754
6755 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6756
6757         PR target/80695
6758         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
6759         Reduce cost estimate for direct moves.
6760
6761 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
6762
6763         PR target/80569
6764         * config/i386/i386.c (ix86_option_override_internal): Disable
6765         BMI, BMI2 and TBM instructions for -m16.
6766
6767 2017-07-21  Carl Love  <cel@us.ibm.com>
6768
6769         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6770         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
6771         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
6772         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
6773         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
6774         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
6775         VMULOSW): New enum "unspec" values.
6776         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
6777         altivec_vmulosw): New patterns.
6778         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
6779         VMULOSW): Add definitions.
6780
6781 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
6782
6783         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
6784         (qdf24xx): Likewise.
6785         * config/aarch64/aarch64-options-extensions.def (rdma); New.
6786         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
6787         (AARCH64_FL_V8_1): Renumber.
6788         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
6789         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
6790         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
6791         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
6792         rdma to feature modifiers list.
6793
6794 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
6795
6796         PR middle-end/56727
6797         * ipa-visibility (function_and_variable_visibility): Convert
6798         recursive PLT call to direct call if appropriate.
6799
6800 2017-07-21  Andrew Pinski  <apinski@cavium.com>
6801
6802         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
6803         operand 1 to see if the types precision matches.
6804         * fold-const.c (operand_equal_p): Likewise.
6805
6806 2017-07-21  Richard Biener  <rguenther@suse.de>
6807
6808         PR tree-optimization/81303
6809         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
6810         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
6811         (vect_peeling_hash_get_lowest_cost): Adjust.
6812         (vect_enhance_data_refs_alignment): Likewise.  Use
6813         vect_get_peeling_costs_all_drs to compute the penalty for no
6814         peeling to match up costs.
6815
6816 2017-07-21  Richard Biener  <rguenther@suse.de>
6817
6818         PR tree-optimization/81500
6819         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
6820         we didn't identify a reduction path.
6821
6822 2017-07-21  Tom de Vries  <tom@codesourcery.com>
6823             Cesar Philippidis  <cesar@codesourcery.com>
6824
6825         PR gcov-profile/81442
6826         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
6827         probabilities.
6828
6829 2017-07-21  Tom de Vries  <tom@codesourcery.com>
6830
6831         PR lto/81430
6832         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
6833         function.
6834         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
6835         nvptx_override_options_after_change.
6836
6837 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
6838
6839         * dwarf2out.c (output_file_names): Avoid double testing for
6840         dwarf_version >= 5.
6841
6842 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
6843
6844         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
6845
6846 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
6847
6848         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
6849         hot/cold regions.
6850         (try_crossjump_to_edge): Do not punt on partitioned functions.
6851
6852 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
6853
6854         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6855         Put all BBs reachable only via paths crossing cold region to cold
6856         region.
6857         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
6858
6859 2016-07-21  Richard Biener  <rguenther@suse.de>
6860
6861         PR tree-optimization/81303
6862         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
6863         into account prologue and epilogue iterations when raising
6864         min_profitable_iters to sth at least covering one vector iteration.
6865
6866 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
6867
6868         * config/arm/arm.c (arm_test_cpu_arch_dat):
6869         Check for overlap.
6870
6871 2017-07-20  Nathan Sidwell  <nathan@acm.org>
6872
6873         Remove TYPE_METHODS.
6874         * tree.h (TYPE_METHODS): Delete.
6875         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
6876         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
6877         (dbxout_type_methods): Scan TYPE_FIELDS.
6878         (dbxout_type): Don't check TYPE_METHODS here.
6879         * function.c (use_register_for_decl): Always ignore register for
6880         class types when not optimizing.
6881         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
6882         * tree.c (free_lang_data_in_type): Stitch out member functions and
6883         templates from TYPE_FIELDS.
6884         (build_distinct_type_copy, verify_type_variant,
6885         verify_type): Member fns are on TYPE_FIELDS.
6886         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
6887         * tree-pretty-print.c (dump_generic_node): Likewise.
6888
6889 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
6890
6891         PR target/80846
6892         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
6893         V2TImode and V4TImode.
6894         (ix86_expand_vector_extract): Likewise.
6895         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
6896         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
6897         (ssescalarmode): Handle V4TImode and V2TImode.
6898         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
6899         (*vec_extractv2ti, *vec_extractv4ti): New insns.
6900         (VEXTRACTI128_MODE): New mode iterator.
6901         (splitter for *vec_extractv?ti first element): New.
6902         (VEC_INIT_MODE): New mode iterator.
6903         (vec_init<mode>): Consolidate 3 expanders into one using
6904         VEC_INIT_MODE mode iterator.
6905
6906 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
6907
6908         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
6909         non_spilled_static_chain_regno_p.
6910
6911 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
6912
6913         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
6914
6915 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
6916
6917         * bb-reorder.c (connect_traces): Allow copying of blocks within
6918         single partition.
6919
6920 2017-07-20  Richard Biener  <rguenther@suse.de>
6921
6922         * gimple.h (gimple_phi_result): Add gphi * overload.
6923         (gimple_phi_result_ptr): Likewise.
6924         (gimple_phi_arg): Likewise.  Adjust index assert to only
6925         allow actual argument accesses rather than all slots available
6926         by capacity.
6927         (gimple_phi_arg_def): Add gphi * overload.
6928         * tree-phinodes.c (make_phi_node): Initialize only actual
6929         arguments.
6930         (resize_phi_node): Clear memory not covered by old node,
6931         do not initialize excess argument slots.
6932         (reserve_phi_args_for_new_edge): Initialize new argument slot
6933         completely.
6934
6935 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
6936
6937         PR tree-optimization/81388
6938         Revert r238585:
6939         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
6940
6941         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
6942         by removing computation of may_be_zero.
6943
6944 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
6945             Tom de Vries  <tom@codesourcery.com>
6946
6947         PR middle-end/81030
6948         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
6949         when gimple level profile disagrees with what RTL expander did.
6950
6951 2017-07-20  Richard Biener  <rguenther@suse.de>
6952
6953         PR tree-optimization/61171
6954         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
6955         (vect_analyze_stmt): Add slp instance parameter.
6956         (vectorizable_reduction): Likewise.
6957         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
6958         (vect_is_simple_reduction): Deal with chains not detected
6959         as SLP reduction chain, specifically not properly associated
6960         chains containing a mix of plus/minus.
6961         (get_reduction_op): Remove.
6962         (get_initial_defs_for_reduction): Simplify, pass in whether
6963         this is a reduction chain, pass in the SLP node for the PHIs.
6964         (vect_create_epilog_for_reduction): Get the SLP instance as
6965         arg and adjust.
6966         (vectorizable_reduction): Get the SLP instance as arg.
6967         During analysis remember the SLP node with the PHIs in the
6968         instance.  Simplify getting at the vectorized reduction PHIs.
6969         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
6970         through SLP instance.
6971         (vect_slp_analyze_operations): Likewise.
6972         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
6973         (vect_transform_stmt): Likewise.
6974
6975 2017-07-20  Tom de Vries  <tom@codesourcery.com>
6976
6977         PR tree-optimization/81489
6978         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
6979         read of phi arg location to before loop that modifies phi.
6980
6981 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
6982
6983         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
6984         New pattern.
6985
6986 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
6987
6988         PR middle-end/81331
6989         * except.c (execute): Fix ordering issue.
6990
6991 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
6992
6993         PR rtl-optimization/81423
6994         * combine.c (make_compound_operation_int): Don't try to optimize
6995         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
6996
6997 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
6998
6999         PR rtl-optimization/81423
7000         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
7001         with a constant that is -1 in the truncated to mode.
7002
7003 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7004
7005         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
7006         (determine_unlikely_bbs): ... here.
7007         * predict.h (propagate_unlikely_bbs_forward): Declare.
7008         * cfgexpand.c (pass_expand::execute): Use it.
7009         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
7010         unlikely edges.
7011         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
7012         propagate_unlikely_bbs_forward.
7013
7014 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
7015
7016         PR middle-end/81331
7017         * except.c (maybe_add_nop_after_section_switch): New function.
7018         (execute): Use it.
7019
7020 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7021
7022         * gimple.h (gimple_phi_set_arg): Make assert more strict.
7023
7024 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7025
7026         * gimple.h (gimple_phi_arg): Make assert more strict.
7027
7028 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
7029
7030         * config.gcc (powerpc*-*-*): Add mmintrin.h.
7031         * config/rs6000/mmintrin.h: New file.
7032         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
7033
7034 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7035
7036         PR tree-optimization/81346
7037         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
7038
7039 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7040
7041         * config/nvptx/nvptx.md (VECIM): Add V2DI.
7042
7043 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7044
7045         * config/nvptx/nvptx-modes.def: Add V2DImode.
7046         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
7047         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
7048         (nvptx_output_mov_insn): Handle lack of mov.b128.
7049         (nvptx_print_operand): Handle 'H' and 'L' codes.
7050         (nvptx_vector_mode_supported): Allow V2DImode.
7051         (nvptx_preferred_simd_mode): New function.
7052         (nvptx_data_alignment): New function.
7053         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
7054         nvptx_preferred_simd_mode.
7055         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
7056         64 to 128 bits.
7057         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
7058
7059 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7060
7061         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
7062         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
7063         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
7064         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
7065         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
7066         (mov<VECIM>_insn): New define_insn.
7067         (define_expand "mov<VECIM>): New define_expand.
7068
7069 2017-07-19  Tom de Vries  <tom@codesourcery.com>
7070
7071         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
7072
7073 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
7074
7075         PR tree-optimization/81346
7076         * fold-const.h (fold_div_compare, range_check_type): Declare.
7077         * fold-const.c (range_check_type): New function.
7078         (build_range_check): Use range_check_type.
7079         (fold_div_compare): No longer static, rewritten into
7080         a match.pd helper function.
7081         (fold_comparison): Don't call fold_div_compare here.
7082         * match.pd (X / C1 op C2): New optimization using fold_div_compare
7083         as helper function.
7084
7085 2017-07-19  Nathan Sidwell  <nathan@acm.org>
7086
7087         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
7088         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
7089         * tree.c (find_decls_types_r, verify_type): Use
7090         TYPE_{MIN,MAX}_VALUE_RAW.
7091         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
7092         (hash_tree): Likewise.
7093         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
7094         Likewise.
7095         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
7096         Likewise.
7097
7098 2017-07-18  Tom de Vries  <tom@codesourcery.com>
7099
7100         PR middle-end/81464
7101         * omp-expand.c (expand_omp_for_static_chunk): Handle
7102         equal-argument loop exit phi.
7103
7104 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
7105
7106         PR target/81471
7107         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
7108         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
7109         operand 2 predicate.
7110         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
7111         operand 2 predicate.
7112         (ror,rol -> rorx splitters): Use const_int_operand as
7113         operand 2 predicate.
7114
7115 2017-06-18  Richard Biener  <rguenther@suse.de>
7116
7117         PR tree-optimization/81410
7118         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
7119         the gap in the ! slp_perm SLP case after each group.
7120
7121 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7122
7123         PR middle-end/81463
7124         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
7125         again.
7126
7127 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
7128
7129         PR middle-end/81462
7130         * predict.c (set_even_probabilities): Cleanup; do not affect
7131         probabilities that are already known.
7132         (combine_predictions_for_bb): Call even when count is set.
7133
7134 2017-07-18  Nathan Sidwell  <nathan@acm.org>
7135
7136         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
7137         TYPE_MAX_VALUE.
7138
7139 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
7140
7141         PR target/81408
7142         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
7143         optimization for loop niter analysis.
7144
7145 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
7146
7147         PR target/81473
7148         * config/avr/avr.c (avr_optimize_casesi): Don't use
7149         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
7150
7151 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
7152
7153         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
7154         body_cost_vec from _vect_peel_extended_info.
7155         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
7156         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
7157         npeel.
7158
7159 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
7160
7161         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
7162
7163 2017-07-18  Richard Biener  <rguenther@suse.de>
7164
7165         PR tree-optimization/80620
7166         PR tree-optimization/81403
7167         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
7168         info when re-using a VN table entry.
7169
7170 2017-07-18  Richard Biener  <rguenther@suse.de>
7171
7172         PR tree-optimization/81418
7173         * tree-vect-loop.c (vectorizable_reduction): Properly compute
7174         vectype_in.  Verify that with lane-reducing reduction operations
7175         we have a single def-use cycle.
7176
7177 2017-07-17  Carl Love  <cel@us.ibm.com>
7178
7179         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
7180
7181         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7182         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7183         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7184         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7185         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7186         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7187         VMULOSW): New enum "unspec" values.
7188         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
7189         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
7190         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7191         altivec_vmulosw): New patterns.
7192         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7193         VMULOSW): Add definitions.
7194 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
7195
7196         * config/alpha/alpha.c: Include predict.h.
7197
7198 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
7199
7200         * tree-vrp.c (compare_assert_loc): Fix comparison function
7201         to return predictable results.
7202
7203 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7204
7205         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
7206         option.
7207         (subdi3): Likewise.
7208         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
7209         * doc/invoke.texi (mexpand-adddi): Update text.
7210
7211 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7212
7213         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
7214         that also clobbers the CC register. The old expand code is moved
7215         to ...
7216         (*arc_clzsi2): ... here.
7217         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
7218         the CC register. The old expand code is moved to ...
7219         (arc_ctzsi2): ... here.
7220
7221 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7222
7223         * config/arc/arc.opt (mindexed-loads): Use initial value
7224         TARGET_INDEXED_LOADS_DEFAULT.
7225         (mauto-modify-reg): Use initial value
7226         TARGET_AUTO_MODIFY_REG_DEFAULT.
7227         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
7228         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
7229         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
7230         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
7231
7232 2017-07-17  Martin Liska  <mliska@suse.cz>
7233
7234         PR sanitizer/81302
7235         * opts.c (finish_options): Do not allow -fgnu-tm
7236         w/ -fsanitize={kernel-,}address.  Say sorry.
7237
7238 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7239
7240         PR target/81369
7241         * tree-loop-distribution.c (classify_partition): Only assert on
7242         numer of iterations.
7243         (merge_dep_scc_partitions): Delete prameter.  Update function call.
7244         (distribute_loop): Remove code handling loop with unknown niters.
7245         (pass_loop_distribution::execute): Skip loop with unknown niters.
7246
7247 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7248
7249         PR target/81369
7250         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
7251         function sort_partitions_by_post_order.
7252
7253 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
7254
7255         PR tree-optimization/81374
7256         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
7257         the max index of basic blocks, rather than number of basic blocks.
7258
7259 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7260
7261         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
7262         proto.
7263         (arc_legitimate_pic_operand_p): Likewise.
7264         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
7265         function.
7266         (arc_needs_pcl_p): Likewise.
7267         (arc_legitimate_pc_offset_p): Likewise.
7268         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
7269         function is also used in constrains.md.
7270         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
7271         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
7272         PLUS.  Only return true/false in known cases, otherwise assert.
7273         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
7274         is already called in arc_legitimate_constant_p.
7275         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
7276         pic addresses.
7277         (LEGITIMATE_PIC_OPERAND_P): Use
7278         arc_raw_symbolic_reference_mentioned_p function.
7279         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
7280         function.
7281         (Cal): Likewise.
7282         (C32): Likewise.
7283
7284 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
7285         Andrew Burgess  <andrew.burgess@embecosm.com>
7286
7287         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
7288         (arc_return_address_register): New function.
7289         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
7290         (arc_handle_fndecl_attribute): Add naked attribute.
7291         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
7292         (TARGET_WARN_FUNC_RETURN): Likewise.
7293         (arc_allocate_stack_slots_for_args): New function.
7294         (arc_warn_func_return): Likewise.
7295         (machine_function): Change type fn_type.
7296         (arc_compute_function_type): Consider new naked function type,
7297         change function return type.
7298         (arc_must_save_register): Adapt to handle new
7299         arc_compute_function_type's return type.
7300         (arc_expand_prologue): Likewise.
7301         (arc_expand_epilogue): Likewise.
7302         (arc_return_address_regs): Delete.
7303         (arc_return_address_register): New function.
7304         (arc_epilogue_uses): Use above function.
7305         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
7306         (arc_function_type): Change encoding, add naked type.
7307         (ARC_INTERRUPT_P): Change to handle the new encoding.
7308         (ARC_FAST_INTERRUPT_P): Likewise.
7309         (ARC_NORMAL_P): Define.
7310         (ARC_NAKED_P): Likewise.
7311         (arc_compute_function_type): Delete prototype.
7312         * config/arc/arc.md (in_ret_delay_slot): Use
7313         arc_return_address_register function.
7314         (simple_return): Likewise.
7315         (p_return_i): Likewise.
7316
7317 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7318
7319         PR tree-optimization/81428
7320         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
7321         can't be built for those types.
7322
7323 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
7324
7325         Remove stuff dead since r239246.
7326
7327         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
7328         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
7329         (avr_inform_devices): Remove dead stuff.
7330
7331 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
7332
7333         * config/arm/arm_neon.h: Fix softp typo.
7334
7335 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7336
7337         PR tree-optimization/81365
7338         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
7339         aggregate moves onto bb predecessor edges, make sure there are no
7340         loads that could alias the lhs in between the start of bb and the
7341         loads from *phi.
7342
7343 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
7344
7345         PR 80929
7346         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
7347         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
7348         [LSHIFTRT, outer_code = TRUNCATE]: Same.
7349
7350 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
7351
7352         PR tree-optimization/81396
7353         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
7354         (init_symbolic_number): Initialize it to 1.
7355         (perform_symbolic_merge): Add n_ops from both operands into the new
7356         n_ops.
7357         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
7358         without base_addr as useless if they need more than one operation.
7359         (bswap_replace): Handle !bswap case for NULL base_addr.
7360
7361 2017-07-17  Tom de Vries  <tom@codesourcery.com>
7362
7363         PR target/81069
7364         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
7365         as possible.
7366
7367 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7368
7369         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
7370         conditional builtin define __FIX_LEON3FT_B2BST.
7371
7372 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
7373
7374         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
7375         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
7376         with -mfix-ut700.
7377
7378 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
7379
7380         PR rtl-optimization/81424
7381         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
7382         to remove potential trapping from operands if -fnon-call-exceptions.
7383
7384 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7385
7386         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
7387         profile_proability for scalling.
7388         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
7389
7390 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7391
7392         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
7393
7394 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7395
7396         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
7397         fixpoint arithmetics.
7398
7399 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7400
7401         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
7402         fixpoint arithmetics.
7403
7404 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7405
7406         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
7407         fixpoint arithmetics.
7408
7409 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
7410
7411         * profile-count.h (profile_probability::from_reg_br_prob_note,
7412         profile_probability::to_reg_br_prob_note): New functions.
7413         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
7414         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
7415         * predict.c (probability_reliable_p): Update.
7416         (edge_probability_reliable_p): Update.
7417         (br_prob_note_reliable_p): Update.
7418         (invert_br_probabilities): Update.
7419         (add_reg_br_prob_note): New function.
7420         (combine_predictions_for_insn): Update.
7421         * asan.c (asan_clear_shadow): Update.
7422         * cfgbuild.c (compute_outgoing_frequencies): Update.
7423         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
7424         (update_br_prob_note): Update.
7425         (rtl_verify_edges): Update.
7426         (purge_dead_edges): Update.
7427         (fixup_reorder_chain): Update.
7428         * emit-rtl.c (try_split): Update.
7429         * ifcvt.c (cond_exec_process_insns): Update.
7430         (cond_exec_process_if_block): Update.
7431         (dead_or_predicable): Update.
7432         * internal-fn.c (expand_addsub_overflow): Update.
7433         (expand_neg_overflow): Update.
7434         (expand_mul_overflow): Update.
7435         * loop-doloop.c (doloop_modify): Update.
7436         * loop-unroll.c (compare_and_jump_seq): Update.
7437         * optabs.c (emit_cmp_and_jump_insn_1): Update.
7438         * predict.h: Update.
7439         * reorg.c (mostly_true_jump): Update.
7440         * rtl.h: Update.
7441         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
7442         * config/alpha/alpha.c (emit_unlikely_jump): Update.
7443         * config/arc/arc.c: (emit_unlikely_jump): Update.
7444         * config/arm/arm.c: (emit_unlikely_jump): Update.
7445         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
7446         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
7447         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
7448         (ix86_print_operand): Update.
7449         (ix86_split_fp_branch): Update.
7450         (predict_jump): Update.
7451         * config/ia64/ia64.c (ia64_print_operand): Update.
7452         * config/mmix/mmix.c (mmix_print_operand): Update.
7453         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
7454         (rs6000_expand_split_stack_prologue): Update.
7455         * config/rs6000/rs6000.c: Update.
7456         * config/s390/s390.c (s390_expand_vec_strlen): Update.
7457         (s390_expand_vec_movstr): Update.
7458         (s390_expand_cs_tdsi): Update.
7459         (s390_expand_split_stack_prologue): Update.
7460         * config/sh/sh.c (sh_print_operand): Update.
7461         (expand_cbranchsi4): Update.
7462         (expand_cbranchdi4): Update.
7463         * config/sparc/sparc.c (output_v9branch): Update.
7464         * config/spu/spu.c (get_branch_target): Update.
7465         (ea_load_store_inline): Update.
7466         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
7467         * config/tilepro/tilepro.c: Update.
7468
7469 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
7470
7471         * gimplify.c (mostly_copy_tree_r): Revert latest change.
7472         (gimplify_save_expr): Likewise.
7473
7474 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7475
7476         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
7477
7478 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7479
7480         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
7481         TV_IPA_FNSUMMARY.
7482         * timevar.def (TV_IPA_FNSUMMARY): Define.
7483
7484 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
7485
7486         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
7487         to back store errata sensitive sequence from being generated.
7488         (sqrtdf2_fix): Likewise.
7489
7490 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7491
7492         * tree-ssa-threadupdate.c (compute_path_counts,
7493         update_joiner_offpath_counts): Use profile_probability.
7494
7495 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7496
7497         Revert:
7498         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7499
7500         * config/arm/arm-c.c (arm_cpu_builtins): Define
7501         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
7502
7503 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7504
7505         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7506         array entries to represent __ieee128 versions of the
7507         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
7508         scalar_extract_sig, and scalar_insert_exp built-in functions.
7509         (altivec_resolve_overloaded_builtin): Add special case handling
7510         for the __builtin_scalar_insert_exp function, as represented by
7511         the P9V_BUILTIN_VEC_VSIEDP constant.
7512         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
7513         exponent support for __ieee128 argument.
7514         (VSESQP): Add scalar extract signature support for __ieee128
7515         argument.
7516         (VSTDCNQP): Add scalar test negative support for __ieee128
7517         argument.
7518         (VSIEQP): Add scalar insert exponent support for __int128 argument
7519         with __ieee128 result.
7520         (VSIEQPF): Add scalar insert exponent support for __ieee128
7521         argument with __ieee128 result.
7522         (VSTDCQP): Add scalar test data class support for __ieee128
7523         argument.
7524         (VSTDCNQP): Add overload support for scalar test negative with
7525         __ieee128 argument.
7526         (VSTDCQP): Add overload support for scalar test data class
7527         __ieee128 argument.
7528         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
7529         UNSPEC_VSX_SXSIGDP.
7530         (UNSPEC_VSX_SIEXPQP): New constant.
7531         (xsxexpqp): New insn for VSX scalar extract exponent quad
7532         precision.
7533         (xsxsigqp): New insn for VSX scalar extract significand quad
7534         precision.
7535         (xsiexpqpf): New insn for VSX scalar insert exponent quad
7536         precision with floating point argument.
7537         (xststdcqp): New expand for VSX scalar test data class quad
7538         precision.
7539         (xststdcnegqp): New expand for VSX scalar test negative quad
7540         precision.
7541         (xststdcqp): New insn to match expansions for VSX scalar test data
7542         class quad precision and VSX scalar test negative quad precision.
7543         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
7544         special case operand checking to enforce that second operand of
7545         VSX scalar test data class with quad precision argument is a 7-bit
7546         unsigned literal.
7547         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
7548         prototypes and descriptions of __ieee128 versions of
7549         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
7550         scalar_test_data_class, and scalar_test_neg built-in functions.
7551
7552 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7553
7554         PR tree-optimization/81162
7555         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
7556         replace a negate with an add.
7557
7558 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
7559
7560         * doc/invoke.texi (arm/-mcpu): Document +crypto.
7561
7562 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7563
7564         * config/arm/arm-c.c (arm_cpu_builtins): Define
7565         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
7566
7567 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7568
7569         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
7570         (armv8-r): Set ARM Cortex-R52 as default CPU.
7571         * config/arm/arm-tables.opt: Regenerate.
7572         * config/arm/arm-tune.md: Regenerate.
7573         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
7574         Cortex-R52.
7575         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
7576         extension for -mcpu=cortex-r52.
7577
7578 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7579
7580         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
7581         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
7582         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
7583         (fp-armv8): Define it as FP_ARMv8 only.
7584         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
7585         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
7586         TARGET_FPU_ARMV8.
7587         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
7588         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
7589         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
7590         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
7591         than TARGET_FPU_ARMV8.
7592         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
7593         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
7594         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
7595         TARGET_FPU_ARMV8.
7596         * config/arm/neon.md (neon_vrint): Likewise.
7597         (neon_vcvt): Likewise.
7598         (neon_<fmaxmin_op><mode>): Likewise.
7599         (<fmaxmin><mode>3): Likewise.
7600         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
7601         * config/arm/predicates.md (arm_cond_move_operator): Check against
7602         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
7603
7604 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
7605
7606         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
7607         to top of function.
7608
7609 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7610
7611         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
7612         loop in comment with memset.
7613
7614 2017-07-14  Martin Liska  <mliska@suse.cz>
7615
7616         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
7617         * dwarf2out.c (is_java): Remove the function.
7618         (output_pubname): Remove usage of the function.
7619         (lower_bound_default): Remove usage of DW_LANG_Java.
7620         (gen_compile_unit_die): Likewise.
7621         * gcc.c: Remove compiler defaults for .java and .zip files.
7622         * gimple-expr.c (remove_suffix): Change as there's no longer
7623         extension than 4-letter one.
7624         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
7625         (gimplify_save_expr): Likewise.
7626         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
7627         as it's possible even for other languages than Java.
7628         * langhooks.h (struct lang_hooks): Remove Java from a comment.
7629         * lto-opts.c (lto_write_options): Remove reference to Java.
7630         * opts.c (strip_off_ending): Update file extension handling.
7631         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
7632         * tree-eh.c (lower_resx): Likewise.
7633         * tree.c (free_lang_data_in_type): Remove dead code.
7634         (find_decls_types_r): Likewise.
7635         (build_common_builtin_nodes): Remove Java from a comment.
7636         (verify_type): Remove dead code.
7637         * varasm.c (assemble_external): Remove Java from a comment.
7638
7639 2017-07-14  Martin Liska  <mliska@suse.cz>
7640
7641         * opts.c (finish_options): Add quotes.
7642         (common_handle_option): Likewise.
7643
7644 2017-07-14  Martin Liska  <mliska@suse.cz>
7645
7646         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
7647         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
7648         Remove N_SO_PASCAL.
7649         * dwarf2out.c (lower_bound_default): Do not handle
7650         DW_LANG_Pascal83.
7651         (gen_compile_unit_die): Likewise.
7652         * gcc.c: Remove default extension binding for GNU Pascal.
7653         * stmt.c: Remove Pascal language from a comment.
7654         * xcoffout.c: Likewise.
7655
7656 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
7657
7658         PR c/81405
7659         * diagnostic-show-locus.c (fixit_cmp): New function.
7660         (layout::layout): Sort m_fixit_hints.
7661         (column_range::column_range): Assert that the values are valid.
7662         (struct char_span): New struct.
7663         (correction::overwrite): New method.
7664         (struct source_line): New struct.
7665         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
7666         calls in terms of classes source_line and char_span, and
7667         correction::overwrite.
7668         (selftest::test_overlapped_fixit_printing_2): New function.
7669         (selftest::diagnostic_show_locus_c_tests): Call it.
7670
7671 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
7672
7673         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
7674         early if there is no lhs.
7675
7676 2017-07-13  Martin Liska  <mliska@suse.cz>
7677
7678         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
7679         (gen_reference_type_die): Likewise.
7680         * stor-layout.c: Remove Pascal-related comment.
7681
7682 2017-07-13  Martin Liska  <mliska@suse.cz>
7683
7684         * opts.c (finish_options): Add quotes to error messages.
7685         (parse_sanitizer_options): Likewise.
7686
7687 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
7688
7689         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
7690
7691 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
7692
7693         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
7694
7695 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
7696
7697         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
7698         during expansion.
7699         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
7700
7701 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
7702
7703         PR target/81193
7704         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
7705         provides the hardware capability bits, define the macro
7706         __BUILTIN_CPU_SUPPORTS__.
7707         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
7708         if GLIBC does not provide the hardware capability bits.  Add a
7709         gcc_unreachable call if the built-in cpu function is neither
7710         __builtin_cpu_is nor __builtin_cpu_supports.
7711         (rs6000_get_function_versions_dispatcher): Change the warning
7712         that an old GLIBC is used which does not export the capability
7713         bits to be an error.
7714         * doc/extend.texi (target_clones attribute): Document the
7715         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
7716         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
7717         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
7718         the macros defined by GCC if the newer GLIBC is available.
7719
7720 2017-07-12  Jeff Law  <law@redhat.com>
7721
7722         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
7723         remaining includes slightly.
7724         * config/riscv/riscv-builtins.c: Include profile-count.h.
7725
7726 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
7727
7728         PR target/79883
7729         * config/avr/avr.c (avr_set_current_function): In diagnostic
7730         messages: Quote keywords and (parts of) identifiers.
7731         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
7732         "INTERUPT".
7733
7734 2017-07-12  Carl Love  <cel@us.ibm.com>
7735
7736         * config/rs6000/rs6000-c.c: Add support for built-in functions
7737         vector bool char vec_revb (vector bool char);
7738         vector bool short vec_revb (vector short char);
7739         vector bool int vec_revb (vector bool int);
7740         vector bool long long vec_revb (vector bool long long);
7741         * doc/extend.texi: Update the built-in documentation file for the
7742         new built-in functions.
7743
7744 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7745
7746         * config/s390/s390.md: Remove movcc splitter.
7747
7748 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7749
7750         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
7751         load/store on condition.
7752
7753 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
7754
7755         PR target/81407
7756         * config/avr/avr.c (avr_encode_section_info)
7757         [progmem && !TREE_READONLY]: Error if progmem object needs
7758         constructing.
7759
7760 2017-07-11  Michael Collison  <michael.collison@arm.com>
7761
7762         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
7763         New pattern.
7764
7765 2017-07-11  Carl Love  <cel@us.ibm.com>
7766
7767         * config/rs6000/rs6000-c.c: Add support for builtins
7768         vector unsigned int vec_parity_lsbb (vector signed int);
7769         vector unsigned int vec_parity_lsbb (vector unsigned int);
7770         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
7771         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
7772         vector unsigned long long vec_parity_lsbb (vector signed long long);
7773         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
7774         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
7775         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
7776         * doc/extend.texi: Update the built-in documentation file for the
7777         new built-in functions.
7778
7779 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
7780
7781         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
7782         (layout::m_primary_loc): New field.
7783         (layout::layout): Initialize new field.  Move location filtering
7784         logic from here to...
7785         (layout::maybe_add_location_range): ...this new method.  Add
7786         support for filtering to just the lines already specified by other
7787         locations.
7788         (layout::will_show_line_p): New method.
7789         (gcc_rich_location::add_location_if_nearby): New method.
7790         (selftest::test_add_location_if_nearby): New test function.
7791         (selftest::diagnostic_show_locus_c_tests): Call it.
7792         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
7793         New method.
7794
7795 2017-07-11  Tom de Vries  <tom@codesourcery.com>
7796
7797         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
7798         (bb_first_real_insn): New function.
7799         (nvptx_single): Add extra initialization of broadcasted condition
7800         variables.
7801
7802 2017-07-11  Nathan Sidwell  <nathan@acm.org>
7803
7804         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
7805
7806 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
7807
7808         * doc/extend.texi (AVR Function Attributes): Remove weblink to
7809         Binutils doc as TEXI will mess them up.
7810         * doc/invoke.texi (AVR Options): Same here.
7811
7812 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
7813
7814         * config/sparc/sparc.opt (mfix-ut700): New option.
7815         (mfix-gr712rc): Likewise.
7816         (sparc_fix_b2bst): New variable.
7817         * doc/invoke.texi (SPARC options): Document them.
7818         (ARM options): Fix warnings.
7819         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
7820         instructions to prevent sequences that can trigger the store-store
7821         errata for certain LEON3FT processors.
7822         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
7823         (sparc_option_override): Set sparc_fix_b2bst appropriately.
7824         * config/sparc/sparc.md (fix_b2bst): New attribute.
7825         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
7826
7827 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
7828
7829         PR target/81375
7830         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
7831         (rcpps): Ditto.
7832         (*rsqrtsf2_sse): Ditto.
7833         (rsqrtsf2): Ditto.
7834         (div<mode>3): Macroize insn from divdf3 and divsf3
7835         using MODEF mode iterator.
7836
7837 2017-07-10  Martin Sebor  <msebor@redhat.com>
7838
7839         PR tree-optimization/80397
7840         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
7841         instead of testing for equality to INTEGER_TYPE.
7842
7843 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
7844
7845         * config.gcc: Remove uclibc from arc target spec.
7846
7847 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
7848
7849         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
7850
7851 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
7852
7853         PR lto/80838
7854         * lto-wrapper.c (remove_option): New function.
7855         (merge_and_complain): Merge PIC/PIE options more realistically.
7856
7857 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
7858
7859         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
7860
7861         PR target/20296
7862         PR target/81268
7863         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
7864         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
7865         * config.in: Regenerate.
7866         * configure: Regenerate.
7867         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
7868         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
7869         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
7870         (TARGET_GASISR_PROLOGUES): ...target mask.
7871         * common/config/avr/avr-common.c
7872         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
7873         Set -mgas-isr-prologues.
7874         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
7875         INSERT_PASS_BEFORE for it.
7876         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
7877         * config/avr/avr.c (avr_option_override)
7878         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
7879         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
7880         (avr_attribute_table) <no_gccisr>: Add new function attribute.
7881         (avr_set_current_function) <is_no_gccisr>: Init machine field.
7882         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
7883         and rtl_opt_pass.
7884         (make_avr_pass_pre_proep): New function.
7885         (emit_push_sfr) <treg>: Add argument to function and use it
7886         instead of TMP_REG.
7887         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
7888         and set machine->gasisr.yes.
7889         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
7890         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
7891         __gcc_isr.n_pushed to .L__stack_usage.
7892         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
7893         (avr_asm_final_postscan_insn): ...this new static function.
7894         * config/avr/avr.h (machine_function)
7895         <is_no_gccisr, use_L__stack_usage>: New fields.
7896         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
7897         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
7898         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
7899         (gasisr, *gasisr): New expander and insn.
7900         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
7901         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
7902         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
7903
7904 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
7905
7906         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
7907         in quoted strings.
7908
7909 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
7910
7911         Move jump-tables out of .text again.
7912
7913         PR target/81075
7914         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
7915         (ASM_OUTPUT_ADDR_VEC): New function.
7916         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
7917         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
7918         INSN_ADDRESSes as asm comment.
7919         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
7920         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
7921         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
7922         * config/avr/avr.md (*tablejump): Adjust comment.
7923         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
7924         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
7925         New detail.
7926         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
7927         (avr_output_addr_vec): New proto.
7928         (avr_log_t) <insn_addresses>: New field.
7929
7930 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
7931
7932         PR target/81313
7933         * config/i386/i386.c (ix86_function_arg_advance): Set
7934         outgoing_args_on_stack to true if there are outgoing arguments
7935         on stack.
7936         (ix86_function_arg): Likewise.
7937         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
7938         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
7939         * config/i386/i386.h (machine_function): Add
7940         outgoing_args_on_stack.
7941
7942 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
7943
7944         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
7945         supporting pthreds.
7946         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
7947
7948 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
7949
7950         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
7951         (REAL_H): Remove $(MACHMODE_H).
7952         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
7953         double-int.h.
7954         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
7955         $(MACHMODE_H) and double-int.h.
7956         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
7957         $(MACHMODE_H).
7958         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
7959         double-int.h.
7960
7961 2017-07-07  Andrew Pinski  <apinski@cavium.com>
7962
7963         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
7964         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
7965
7966 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
7967
7968         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
7969         Add warning if GCC was not configured to link against a GLIBC that
7970         exports the hardware capability bits.
7971         (make_resolver_func): Make resolver function private and not a
7972         COMDAT function.  Create the name with clone_function_name instead
7973         of make_unique_name.
7974
7975         PR target/81348
7976         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
7977         correct operand in doing the split.
7978
7979 2017-07-07 Carl Love  <cel@us.ibm.com>
7980
7981         * config/rs6000/rs6000-c: Add support for built-in function
7982         vector unsigned short vec_pack_to_short_fp32 (vector float,
7983                                                       vector float).
7984         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
7985         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
7986         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
7987         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
7988         (convert_4f32_8i16): Add define_expand.
7989         * doc/extend.texi: Update the built-in documentation file for the
7990         new built-in function.
7991
7992 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7993
7994         * config/sparc/m8.md: New file.
7995         * config/sparc/sparc.md: Include m8.md.
7996
7997 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
7998
7999         * config/sparc/sparc.opt: New option -mvis4b.
8000         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
8001         (sparc_option_override): Handle VIS4B.
8002         (enum sparc_builtins): Define
8003         SPARC_BUILTIN_DICTUNPACK{8,16,32},
8004         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
8005         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
8006         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
8007         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
8008         (check_constant_argument): New function.
8009         (sparc_vis_init_builtins): Define builtins
8010         __builtin_vis_dictunpack{8,16,32},
8011         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
8012         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
8013         __builtin_vis_fpcmpde{8,16,32}shl and
8014         __builtin_vis_fpcmpur{8,16,32}shl.
8015         (sparc_expand_builtin): Check that the constant operands to
8016         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
8017         constant and in range.
8018         * config/sparc/sparc-c.c (sparc_target_macros): Handle
8019         TARGET_VIS4B.
8020         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
8021         (SPARC_IMM5_P): Likewise.
8022         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
8023         (enabled): Handle vis4b.
8024         (UNSPEC_DICTUNPACK): New unspec.
8025         (UNSPEC_FPCMPSHL): Likewise.
8026         (UNSPEC_FPUCMPSHL): Likewise.
8027         (UNSPEC_FPCMPDESHL): Likewise.
8028         (UNSPEC_FPCMPURSHL): Likewise.
8029         (cpu_feature): New CPU feature `vis4b'.
8030         (dictunpack{8,16,32}): New insns.
8031         (FPCSMODE): New mode iterator.
8032         (fpcscond): New code iterator.
8033         (fpcsucond): Likewise.
8034         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
8035         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
8036         (fpcmpde{8,16,32}{si,di}shl): Likewise.
8037         (fpcmpur{8,16,32}{si,di}shl): Likewise.
8038         * config/sparc/constraints.md: Define constraints `q' for unsigned
8039         2-bit integer constants and `t' for unsigned 5-bit integer
8040         constants.
8041         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
8042         predicate.
8043         (imm5_operand_dictunpack16): Likewise.
8044         (imm5_operand_dictunpack32): Likewise.
8045         (imm2_operand): Likewise.
8046         * doc/invoke.texi (SPARC Options): Document -mvis4b.
8047         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
8048         ditunpack* and fpcmp*shl builtins.
8049
8050 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8051
8052         * config.gcc: Handle m8 in --with-{cpu,tune} options.
8053         * config.in: Add HAVE_AS_SPARC6 define.
8054         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
8055         M8.
8056         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
8057         TARGET_CPU_m8.
8058         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
8059         (CPP_CPU_SPEC): Handle m8.
8060         (ASM_CPU_SPEC): Likewise.
8061         * config/sparc/sparc-opts.h (enum processor_type): Add
8062         PROCESSOR_M8.
8063         * config/sparc/sparc.c (m8_costs): New struct.
8064         (sparc_option_override): Handle TARGET_CPU_m8.
8065         (sparc32_initialize_trampoline): Likewise.
8066         (sparc64_initialize_trampoline): Likewise.
8067         (sparc_issue_rate): Likewise.
8068         (sparc_register_move_cost): Likewise.
8069         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
8070         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
8071         (ASM_CPU64_DEFAULT_SPEC): Likewise.
8072         (CPP_CPU_SPEC): Handle M8.
8073         (ASM_CPU_SPEC): Likewise.
8074         (AS_M8_FLAG): Define.
8075         * config/sparc/sparc.md: Add m8 to the cpu attribute.
8076         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
8077         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
8078         M8 instructions.
8079         * configure: Regenerate.
8080         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
8081         -mtune=m8.
8082
8083 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8084
8085         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
8086         subtypes.
8087         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
8088         ("*movdi_insn_sp32"): Do not set v3pipe.
8089         ("*movsi_insn"): Likewise.
8090         ("*movdi_insn_sp64"): Likewise.
8091         ("*movsf_insn"): Likewise.
8092         ("*movdf_insn_sp32"): Likewise.
8093         ("*movdf_insn_sp64"): Likewise.
8094         ("*zero_extendsidi2_insn_sp64"): Likewise.
8095         ("*sign_extendsidi2_insn"): Likewise.
8096         ("*mov<VM32:mode>_insn"): Likewise.
8097         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8098         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8099         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8100         ("<vlop:code><VL:mode>3"): Likewise.
8101         ("*not_<vlop:code><VL:mode>3"): Likewise.
8102         ("*nand<VL:mode>_vis"): Likewise.
8103         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
8104         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
8105         ("one_cmpl<VL:mode>2"): Likewise.
8106         ("faligndata<VM64:mode>_vis"): Likewise.
8107         ("alignaddrsi_vis"): Likewise.
8108         ("alignaddrdi_vis"): Likweise.
8109         ("alignaddrlsi_vis"): Likewise.
8110         ("alignaddrldi_vis"): Likewise.
8111         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8112         ("bmaskdi_vis"): Likewise.
8113         ("bmasksi_vis"): Likewise.
8114         ("bshuffle<VM64:mode>_vis"): Likewise.
8115         ("cmask8<P:mode>_vis"): Likewise.
8116         ("cmask16<P:mode>_vis"): Likewise.
8117         ("cmask32<P:mode>_vis"): Likewise.
8118         ("pdistn<P:mode>_vis"): Likewise.
8119         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8120
8121 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8122
8123         * config/sparc/sparc.md ("subtype"): New insn attribute.
8124         ("*wrgsr_sp64"): Set insn subtype.
8125         ("*rdgsr_sp64"): Likewise.
8126         ("alignaddrsi_vis"): Likewise.
8127         ("alignaddrdi_vis"): Likewise.
8128         ("alignaddrlsi_vis"): Likewise.
8129         ("alignaddrldi_vis"): Likewise.
8130         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
8131         ("fexpand_vis"): Likewise.
8132         ("fpmerge_vis"): Likewise.
8133         ("faligndata<VM64:mode>_vis"): Likewise.
8134         ("bshuffle<VM64:mode>_vis"): Likewise.
8135         ("cmask8<P:mode>_vis"): Likewise.
8136         ("cmask16<P:mode>_vis"): Likewise.
8137         ("cmask32<P:mode>_vis"): Likewise.
8138         ("fchksm16_vis"): Likewise.
8139         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
8140         ("fmean16_vis"): Likewise.
8141         ("fp<plusminus_insn>64_vis"): Likewise.
8142         ("<plusminus_insn>v8qi3"): Likewise.
8143         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
8144         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
8145         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
8146         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
8147         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
8148         ("*movqi_insn"): Likewise.
8149         ("*movhi_insn"): Likewise.
8150         ("*movsi_insn"): Likewise.
8151         ("movsi_pic_gotdata_op"): Likewise.
8152         ("*movdi_insn_sp32"): Likewise.
8153         ("*movdi_insn_sp64"): Likewise.
8154         ("movdi_pic_gotdata_op"): Likewise.
8155         ("*movsf_insn"): Likewise.
8156         ("*movdf_insn_sp32"): Likewise.
8157         ("*movdf_insn_sp64"): Likewise.
8158         ("*zero_extendhisi2_insn"): Likewise.
8159         ("*zero_extendqihi2_insn"): Likewise.
8160         ("*zero_extendqisi2_insn"): Likewise.
8161         ("*zero_extendqidi2_insn"): Likewise.
8162         ("*zero_extendhidi2_insn"): Likewise.
8163         ("*zero_extendsidi2_insn_sp64"): Likewise.
8164         ("ldfsr"): Likewise.
8165         ("prefetch_64"): Likewise.
8166         ("prefetch_32"): Likewise.
8167         ("tie_ld32"): Likewise.
8168         ("tie_ld64"): Likewise.
8169         ("*tldo_ldub_sp32"): Likewise.
8170         ("*tldo_ldub1_sp32"): Likewise.
8171         ("*tldo_ldub2_sp32"): Likewise.
8172         ("*tldo_ldub_sp64"): Likewise.
8173         ("*tldo_ldub1_sp64"): Likewise.
8174         ("*tldo_ldub2_sp64"): Likewise.
8175         ("*tldo_ldub3_sp64"): Likewise.
8176         ("*tldo_lduh_sp32"): Likewise.
8177         ("*tldo_lduh1_sp32"): Likewise.
8178         ("*tldo_lduh_sp64"): Likewise.
8179         ("*tldo_lduh1_sp64"): Likewise.
8180         ("*tldo_lduh2_sp64"): Likewise.
8181         ("*tldo_lduw_sp32"): Likewise.
8182         ("*tldo_lduw_sp64"): Likewise.
8183         ("*tldo_lduw1_sp64"): Likewise.
8184         ("*tldo_ldx_sp64"): Likewise.
8185         ("*mov<VM32:mode>_insn"): Likewise.
8186         ("*mov<VM64:mode>_insn_sp64"): Likewise.
8187         ("*mov<VM64:mode>_insn_sp32"): Likewise.
8188
8189 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8190
8191         * config/sparc/sparc.md ("type"): New insn type viscmp.
8192         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
8193         viscmp.
8194         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
8195         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
8196         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
8197         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
8198         viscmp.
8199         ("n7_vis_logical_11cycle"): Likewise.
8200         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
8201         * config/sparc/niagara2.md ("niag3_vis": Likewise.
8202         * config/sparc/niagara.md ("niag_vis"): Likewise.
8203         * config/sparc/ultra3.md ("us3_fga"): Likewise.
8204         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
8205
8206 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
8207
8208         * config/sparc/sparc.md: New instruction type `bmask'.
8209         (bmaskdi_vis): Use the `bmask' type.
8210         (bmasksi_vis): Likewise.
8211         * config/sparc/ultra3.md (us3_array): Likewise.
8212         * config/sparc/niagara7.md (n7_array): Likewise.
8213         * config/sparc/niagara4.md (n4_array): Likewise.
8214         * config/sparc/niagara2.md (niag2_vis): Likewise.
8215         (niag3_vis): Likewise.
8216         * config/sparc/niagara.md (niag_vis): Likewise.
8217
8218 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8219
8220         * ipa-comdats.c: Remove optimize check from gate.
8221         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
8222         for functions not optimized.
8223         (ipa_fn_summary_read): Skip optimize check.
8224         (ipa_fn_summary_write): Likewise.
8225         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
8226         is optimized.
8227         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
8228         uninlinable.
8229         (can_inline_edge_p): Check flag_pcc_struct_return for match.
8230         (check_callers): Give up on caller which is not optimized.
8231         (inline_small_functions): Likewise.
8232         (ipa_inline): Do not give up when not optimizing.
8233         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
8234         away unoptimizes cdtors.
8235         (whole_program_function_and_variable_visibility): Do
8236         ipa_discover_readonly_nonaddressable_vars in LTO mode.
8237         * ipa.c (process_references): Do not check optimize.
8238         (symbol_table::remove_unreachable_nodes): Update optimize check.
8239         (set_writeonly_bit): Update optimize check.
8240         (pass_ipa_cdtor_merge::gate): Do not check optimize.
8241         (pass_ipa_single_use::gate): Remove.
8242
8243 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8244
8245         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
8246         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
8247         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
8248         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
8249         permute_load, permute_store, adjust_extract, adjust_splat,
8250         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
8251         replace_swap_with_copy, dump_swap_insn_table,
8252         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
8253         recombine_lvx_pattern, recombine_stvx_pattern,
8254         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
8255         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
8256         to file rs6000-p8swap.c.
8257         * config/rs6000/rs6000-p8swap.c: New file.
8258         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
8259         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
8260         and rs6000*-*-* targets.
8261
8262 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8263
8264         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
8265
8266 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8267
8268         * lto-wrapper.c (merge_and_complain): Do not merge
8269         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
8270         fsigned_zeros, ftrapping_math, fwrapv.
8271         (append_compiler_options): Do not track these options.
8272         (append_linker_options): Likewie
8273
8274 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8275
8276         * cgraphunit.c (cgraph_node::finalize_function): When
8277         !flag_toplevel_reorde set no_reorder flag.
8278         (varpool_node::finalize_decl): Likewise.
8279         (symbol_table::compile): Drop no toplevel reorder path.
8280
8281 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8282
8283         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
8284         edges; zero probability is not better than uninitialized.
8285
8286 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
8287
8288         * asan.h (asan_sanitize_allocas_p): Declare.
8289         * asan.c (asan_sanitize_allocas_p): New function.
8290         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
8291         (handle_builtin_alloca): Likewise.
8292         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
8293         if !asan_sanitize_allocas_p.
8294         * params.def (asan-instrument-allocas): Add new option.
8295         * params.h (ASAN_PROTECT_ALLOCAS): Define.
8296         * opts.c (common_handle_option): Disable allocas sanitization for
8297         KASan by default.
8298
8299 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
8300
8301         * asan.c: Include gimple-fold.h.
8302         (get_last_alloca_addr): New function.
8303         (handle_builtin_stackrestore): Likewise.
8304         (handle_builtin_alloca): Likewise.
8305         (asan_emit_allocas_unpoison): Likewise.
8306         (get_mem_refs_of_builtin_call): Add new parameter, remove const
8307         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
8308         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
8309         (instrument_builtin_call): Pass gimple iterator to
8310         get_mem_refs_of_builtin_call.
8311         (last_alloca_addr): New global.
8312         * asan.h (asan_emit_allocas_unpoison): Declare.
8313         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
8314         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
8315         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
8316         if function calls alloca.
8317         * gimple-fold.c (replace_call_with_value): Remove static keyword.
8318         * gimple-fold.h (replace_call_with_value): Declare.
8319         * internal-fn.c: Include asan.h.
8320         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
8321         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
8322
8323 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8324
8325         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
8326         (C_SELFTEST_FLAGS): New.
8327         (CPP_SELFTEST_FLAGS): New.
8328         (SELFTEST_DEPS): New, from deps of s-selftest.
8329         (C_SELFTEST_DEPS): New, from deps of s-selftest.
8330         (CPP_SELFTEST_DEPS): New.
8331         (selftest): Add dependency on s-selftest-c++.
8332         (s-selftest): Rename to...
8333         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
8334         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
8335         than SELFTEST_FLAGS.
8336         (selftest-gdb): Rename to...
8337         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
8338         C_SELFTEST_FLAGS.
8339         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
8340         (selftest-valgrind): Rename to...
8341         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
8342         C_SELFTEST_FLAGS.
8343         (selftest-valgrind): Reintroduce as an alias for
8344         selftest-c-valgrind.
8345         (s-selftest-c++): New.
8346         (selftest-c++-gdb): New.
8347         (selftest-c++-valgrind): New.
8348
8349 2017-07-06  Olivier Hainque  <hainque@adacore.com>
8350
8351         * gcc.c (process_command): When deciding if undefined variables
8352         should be ignored when processing specs, accept "gcc -v" as well.
8353
8354 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
8355
8356         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
8357         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
8358
8359 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8360
8361         * config/arm/arm-cpus.in (armv8-r): Add new entry.
8362         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
8363         * config/arm/arm-tables.opt: Regenerate.
8364         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
8365         enumerator.
8366         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
8367
8368 2017-07-06  Carl Love  <cel@us.ibm.com>
8369
8370         * ChangeLog: Clean up from mid air collision
8371
8372 2017-07-06  Carl Love  <cel@us.ibm.com>
8373
8374         * config/rs6000/rs6000-c.c: Add support for built-in functions
8375         vector signed int vec_subc (vector signed int, vector signed int);
8376         vector signed __int128 vec_subc (vector signed __int128,
8377                                          vector signed __int128);
8378         vector unsigned __int128 vec_subc (vector unsigned __int128,
8379                                            vector unsigned __int128);
8380         vector signed int vec_sube (vector signed int, vector signed int,
8381                                     vector signed int);
8382         vector unsigned int vec_sube (vector unsigned int,
8383                                       vector unsigned int,
8384                                       vector unsigned int);
8385         vector signed __int128 vec_sube (vector signed __int128,
8386                                          vector signed __int128,
8387                                          vector signed__int128);
8388         vector unsigned __int128 vec_sube (vector unsigned __int128,
8389                                            vector unsigned __int128,
8390                                            vector unsigned __int128);
8391         vector signed int vec_subec (vector signed int, vector signed int,
8392                                      vector signed int);
8393         vector unsigned int vec_subec (vector unsigned int,
8394                                        vector unsigned int,
8395                                        vector unsigned int);
8396         vector signed __int128 vec_subec (vector signed __int128,
8397                                           vector signed __int128,
8398                                           vector signed__int128);
8399         vector unsigned __int128 vec_subec (vector unsigned __int128,
8400                                             vector unsigned __int128,
8401                                             vector unsigned __int128);
8402         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
8403         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
8404         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
8405         BU_ALTIVEC_OVERLOAD_X definitions.
8406         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
8407         * doc/extend.texi: Update the built-in documentation file for the new
8408         built-in functions.
8409
8410 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
8411
8412         PR c++/79300
8413         * diagnostic-show-locus.c (layout::layout): Use start and finish
8414         spelling location for the start and finish of each range.
8415         * genmatch.c (linemap_client_expand_location_to_spelling_point):
8416         Add unused aspect param.
8417         * input.c (expand_location_1): Add "aspect" param, and use it
8418         to access the correct part of the location.
8419         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
8420         expand_location_1.
8421         (expand_location_to_spelling_point): Likewise.
8422         (linemap_client_expand_location_to_spelling_point): Add "aspect"
8423         param, and pass it to expand_location_1.
8424
8425 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
8426
8427         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
8428         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
8429         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
8430         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
8431         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
8432         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
8433         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
8434         _mm_maskz_getmant_ss): New intrinsics.
8435         (__builtin_ia32_getexpss128_mask): Changed to ...
8436         __builtin_ia32_getexpss128_round ... this.
8437         (__builtin_ia32_getexpsd128_mask): Changed to ...
8438         __builtin_ia32_getexpsd128_round ... this.
8439         * config/i386/i386-builtin-types.def
8440         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
8441         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
8442         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
8443         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
8444         __builtin_ia32_getmantss_mask_round): New builtins.
8445         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
8446         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
8447         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
8448         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
8449         * config/i386/sse.md
8450         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
8451         avx512f_sgetexp<mode><mask_scalar_name>
8452         <round_saeonly_scalar_name> ... this.
8453         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
8454         %0, %1, %2<round_saeonly_op3>}): Changed to ...
8455         vgetexp<ssescalarmodesuffix>
8456         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8457         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
8458         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
8459         avx512f_vgetmant<mode><mask_scalar_name>
8460         <round_saeonly_scalar_name> ... this.
8461         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
8462         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
8463         vgetmant<ssescalarmodesuffix>
8464         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
8465         %0<mask_scalar_operand4>, %1, %2
8466         <round_saeonly_scalar_mask_op4>, %3} ... this.
8467         * config/i386/subst.md (mask_scalar_operand4,
8468         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
8469         round_saeonly_scalar_nimm_predicate): New subst attributes.
8470
8471 2017-07-06  Julia Koval  <julia.koval@intel.com>
8472
8473         * config/i386/i386.c (ix86_erase_embedded_rounding):
8474         Remove code for old rounding pattern.
8475
8476 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
8477
8478         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
8479
8480 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
8481
8482         * doc/sourcebuild.texi (Test Directives, Variants of
8483         dg-require-support): Add documentation for dg-require-stack-check.
8484
8485 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
8486
8487         * config/i386/subst.md (mask_scalar, round_scalar,
8488         round_saeonly_scalar): New meta-templates.
8489         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
8490         round_scalar_mask_operand3, round_scalar_mask_op3,
8491         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
8492         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
8493         round_saeonly_scalar_constraint,
8494         round_saeonly_scalar_prefix): New subst attribute.
8495         * config/i386/sse.md
8496         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
8497         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
8498         <round_scalar_name> ... this.
8499         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
8500         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
8501         <round_scalar_name> ... this.
8502         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
8503         <sse>_vm<code><mode>3<mask_scalar_name>
8504         <round_saeonly_scalar_name> ... this.
8505         (v<plusminus_mnemonic><ssescalarmodesuffix>
8506         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
8507         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
8508         v<plusminus_mnemonic><ssescalarmodesuffix>
8509         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8510         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
8511         (v<multdiv_mnemonic><ssescalarmodesuffix>
8512         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
8513         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
8514         v<multdiv_mnemonic><ssescalarmodesuffix>
8515         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8516         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
8517         (v<maxmin_float><ssescalarmodesuffix>
8518         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
8519         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
8520         v<maxmin_float><ssescalarmodesuffix>
8521         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
8522         %0<mask_scalar_operand3>, %1, %<iptr>2
8523         <round_saeonly_scalar_mask_op3>} ... this.
8524
8525 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
8526
8527         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
8528         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
8529
8530 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
8531             Alan Hayward  <alan.hayward@arm.com>
8532             David Sherwood  <david.sherwood@arm.com>
8533
8534         * combine.c (simplify_if_then_else): Remove "enum" before
8535         "machine_mode".
8536         * compare-elim.c (can_eliminate_compare): Likewise.
8537         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
8538         Likewise.
8539         (aarch64_lookup_simd_builtin_type): Likewise.
8540         (aarch64_simd_builtin_type): Likewise.
8541         (aarch64_init_simd_builtin_types): Likewise.
8542         (aarch64_simd_expand_args): Likewise.
8543         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
8544         Likewise.
8545         (aarch64_reverse_mask): Likewise.
8546         (aarch64_simd_emit_reg_reg_move): Likewise.
8547         (aarch64_gen_adjusted_ldpstp): Likewise.
8548         (aarch64_ccmp_mode_to_code): Likewise.
8549         (aarch64_operands_ok_for_ldpstp): Likewise.
8550         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
8551         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
8552         Likewise.
8553         (aarch64_min_divisions_for_recip_mul): Likewise.
8554         (aarch64_reassociation_width): Likewise.
8555         (aarch64_get_condition_code_1): Likewise.
8556         (aarch64_simd_emit_reg_reg_move): Likewise.
8557         (aarch64_simd_attr_length_rglist): Likewise.
8558         (aarch64_reverse_mask): Likewise.
8559         (aarch64_operands_ok_for_ldpstp): Likewise.
8560         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
8561         (aarch64_gen_adjusted_ldpstp): Likewise.
8562         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
8563         Likewise.
8564         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
8565         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
8566         (arm_lookup_simd_builtin_type): Likewise.
8567         (arm_simd_builtin_type): Likewise.
8568         (arm_init_simd_builtin_types): Likewise.
8569         (arm_expand_builtin_args): Likewise.
8570         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
8571         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
8572         (ft32_setup_incoming_varargs): Likewise.
8573         (ft32_function_arg): Likewise.
8574         (ft32_function_arg_advance): Likewise.
8575         (ft32_pass_by_reference): Likewise.
8576         (ft32_arg_partial_bytes): Likewise.
8577         (ft32_valid_pointer_mode): Likewise.
8578         (ft32_addr_space_pointer_mode): Likewise.
8579         (ft32_addr_space_legitimate_address_p): Likewise.
8580         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
8581         Likewise.
8582         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
8583         (ix86_emit_outlined_ms2sysv_restore): Likewise.
8584         (iamcu_alignment): Likewise.
8585         (canonicalize_vector_int_perm): Likewise.
8586         (ix86_noce_conversion_profitable_p): Likewise.
8587         (ix86_mpx_bound_mode): Likewise.
8588         (ix86_operands_ok_for_move_multiple): Likewise.
8589         * config/microblaze/microblaze-protos.h
8590         (microblaze_expand_conditional_branch_reg): Likewise.
8591         * config/microblaze/microblaze.c
8592         (microblaze_expand_conditional_branch_reg): Likewise.
8593         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
8594         Likewise.
8595         (rs6000_reassociation_width): Likewise.
8596         (rs6000_invalid_binary_op): Likewise.
8597         (fusion_p9_p): Likewise.
8598         (emit_fusion_p9_load): Likewise.
8599         (emit_fusion_p9_store): Likewise.
8600         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
8601         Likewise.
8602         (riscv_hard_regno_mode_ok_p): Likewise.
8603         (riscv_address_insns): Likewise.
8604         (riscv_split_symbol): Likewise.
8605         (riscv_legitimize_move): Likewise.
8606         (riscv_function_value): Likewise.
8607         (riscv_hard_regno_nregs): Likewise.
8608         (riscv_expand_builtin): Likewise.
8609         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
8610         (riscv_build_integer): Likewise.
8611         (riscv_split_integer): Likewise.
8612         (riscv_legitimate_constant_p): Likewise.
8613         (riscv_cannot_force_const_mem): Likewise.
8614         (riscv_regno_mode_ok_for_base_p): Likewise.
8615         (riscv_valid_base_register_p): Likewise.
8616         (riscv_valid_offset_p): Likewise.
8617         (riscv_valid_lo_sum_p): Likewise.
8618         (riscv_classify_address): Likewise.
8619         (riscv_legitimate_address_p): Likewise.
8620         (riscv_address_insns): Likewise.
8621         (riscv_load_store_insns): Likewise.
8622         (riscv_force_binary): Likewise.
8623         (riscv_split_symbol): Likewise.
8624         (riscv_force_address): Likewise.
8625         (riscv_legitimize_address): Likewise.
8626         (riscv_move_integer): Likewise.
8627         (riscv_legitimize_const_move): Likewise.
8628         (riscv_legitimize_move): Likewise.
8629         (riscv_address_cost): Likewise.
8630         (riscv_subword): Likewise.
8631         (riscv_output_move): Likewise.
8632         (riscv_canonicalize_int_order_test): Likewise.
8633         (riscv_emit_int_order_test): Likewise.
8634         (riscv_function_arg_boundary): Likewise.
8635         (riscv_pass_mode_in_fpr_p): Likewise.
8636         (riscv_pass_fpr_single): Likewise.
8637         (riscv_pass_fpr_pair): Likewise.
8638         (riscv_get_arg_info): Likewise.
8639         (riscv_function_arg): Likewise.
8640         (riscv_function_arg_advance): Likewise.
8641         (riscv_arg_partial_bytes): Likewise.
8642         (riscv_function_value): Likewise.
8643         (riscv_pass_by_reference): Likewise.
8644         (riscv_setup_incoming_varargs): Likewise.
8645         (riscv_print_operand): Likewise.
8646         (riscv_elf_select_rtx_section): Likewise.
8647         (riscv_save_restore_reg): Likewise.
8648         (riscv_for_each_saved_reg): Likewise.
8649         (riscv_register_move_cost): Likewise.
8650         (riscv_hard_regno_mode_ok_p): Likewise.
8651         (riscv_hard_regno_nregs): Likewise.
8652         (riscv_class_max_nregs): Likewise.
8653         (riscv_memory_move_cost): Likewise.
8654         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
8655         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
8656         (rl78_addr_space_address_mode): Likewise.
8657         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
8658         Likewise.
8659         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
8660         (rs6000_reassociation_width): Likewise.
8661         (rs6000_invalid_binary_op): Likewise.
8662         (fusion_p9_p): Likewise.
8663         (emit_fusion_p9_load): Likewise.
8664         (emit_fusion_p9_store): Likewise.
8665         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
8666         (ok_for_simple_move_operands): Likewise.
8667         (ok_for_simple_move_strict_operands): Likewise.
8668         (ok_for_simple_arith_logic_operands): Likewise.
8669         (visium_legitimize_reload_address): Likewise.
8670         (visium_select_cc_mode): Likewise.
8671         (output_cbranch): Likewise.
8672         (visium_split_double_move): Likewise.
8673         (visium_expand_copysign): Likewise.
8674         (visium_expand_int_cstore): Likewise.
8675         (visium_expand_fp_cstore): Likewise.
8676         * config/visium/visium.c (visium_pass_by_reference): Likewise.
8677         (visium_function_arg): Likewise.
8678         (visium_function_arg_advance): Likewise.
8679         (visium_libcall_value): Likewise.
8680         (visium_setup_incoming_varargs): Likewise.
8681         (visium_legitimate_constant_p): Likewise.
8682         (visium_legitimate_address_p): Likewise.
8683         (visium_legitimize_address): Likewise.
8684         (visium_secondary_reload): Likewise.
8685         (visium_register_move_cost): Likewise.
8686         (visium_memory_move_cost): Likewise.
8687         (prepare_move_operands): Likewise.
8688         (ok_for_simple_move_operands): Likewise.
8689         (ok_for_simple_move_strict_operands): Likewise.
8690         (ok_for_simple_arith_logic_operands): Likewise.
8691         (visium_function_value_1): Likewise.
8692         (rtx_ok_for_offset_p): Likewise.
8693         (visium_legitimize_reload_address): Likewise.
8694         (visium_split_double_move): Likewise.
8695         (visium_expand_copysign): Likewise.
8696         (visium_expand_int_cstore): Likewise.
8697         (visium_expand_fp_cstore): Likewise.
8698         (visium_split_cstore): Likewise.
8699         (visium_select_cc_mode): Likewise.
8700         (visium_split_cbranch): Likewise.
8701         (output_cbranch): Likewise.
8702         (visium_print_operand_address): Likewise.
8703         * expmed.c (flip_storage_order): Likewise.
8704         * expmed.h (emit_cstore): Likewise.
8705         (flip_storage_order): Likewise.
8706         * genrecog.c (validate_pattern): Likewise.
8707         * hsa-gen.c (gen_hsa_addr): Likewise.
8708         * internal-fn.c (expand_arith_overflow): Likewise.
8709         * ira-color.c (allocno_copy_cost_saving): Likewise.
8710         * lra-assigns.c (find_hard_regno_for_1): Likewise.
8711         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
8712         (process_invariant_for_inheritance): Likewise.
8713         * lra-eliminations.c (move_plus_up): Likewise.
8714         * omp-low.c (lower_oacc_reductions): Likewise.
8715         * simplify-rtx.c (simplify_subreg): Likewise.
8716         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
8717         (TARGET_CHKP_BOUND_MODE): Likewise..
8718         * targhooks.c (default_chkp_bound_mode): Likewise.
8719         (default_setup_incoming_vararg_bounds): Likewise.
8720         * targhooks.h (default_chkp_bound_mode): Likewise.
8721         (default_setup_incoming_vararg_bounds): Likewise.
8722         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
8723         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
8724         (have_whole_vector_shift): Likewise.
8725         * tree-vect-stmts.c (vectorizable_load): Likewise.
8726         * doc/tm.texi: Regenerate.
8727
8728 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
8729
8730         Graceful degrade if Binutils PR21472 is not available.
8731
8732         PR target/81072
8733         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
8734         .rodata in flash test fails.
8735         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
8736         * confgure: Regenerate.
8737         * config.in: Regenerate.
8738         * config/avr/avr.c (avr_asm_named_section)
8739         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
8740         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
8741         (avr_asm_init_sections): Same.
8742
8743 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8744
8745         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
8746         (fma<VH:mode>4_intrinsic): Likewise.
8747         (*fmsub<VCVTF:mode>4): Likewise.
8748         (*fmsub<VH:mode>4_intrinsic): Likewise.
8749
8750 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
8751
8752         PR target/81305
8753         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
8754         Don't depend on "optimize > 0".
8755         (out_movhi_r_mr, out_movqi_mr_r): Same.
8756         (out_movhi_mr_r, out_movqi_r_mr): Same.
8757         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
8758         io_address_operand on "optimize > 0".
8759
8760 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8761
8762         * tree-loop-distribution.c: Add general explanantion on the pass.
8763         (generate_loops_for_partition): Mark distributed loop.
8764         (pg_add_dependence_edges): New parameter.  Handle alias data
8765         dependence specially and record it in the parameter if asked.
8766         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
8767         (init_partition_graph_vertices, add_partition_graph_edge): New.
8768         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
8769         (free_partition_graph_vdata, build_partition_graph): New.
8770         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
8771         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
8772         (data_ref_segment_size, latch_dominated_by_data_ref): New.
8773         (compute_alias_check_pairs, version_loop_by_alias_check): New.
8774         (version_for_distribution_p, finalize_partitions): New.
8775         (distribute_loop): Handle alias data dependence specially.  Factor
8776         out loop fusion code as functions and call these functions.
8777
8778 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8779
8780         * tree-loop-distribution.c (classify_partition): New parameter and
8781         better handle reduction statement.
8782         (rdg_build_partitions): Revise comment.
8783         (distribute_loop): Compute statements in all partitions and pass it
8784         to classify_partition.
8785
8786 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8787
8788         * tree-loop-distribution.c (enum partition_type): New.
8789         (struct partition): New field type.
8790         (partition_merge_into): Add parameter.  Update partition type.
8791         (data_dep_in_cycle_p, update_type_for_merge): New functions.
8792         (build_rdg_partition_for_vertex): Compute partition type.
8793         (rdg_build_partitions): Dump partition type.
8794         (distribute_loop): Update calls to partition_merge_into.
8795
8796 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8797
8798         * tree-loop-distribution.c (struct ddr_hasher): New.
8799         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
8800         (ddrs_table): New.
8801         (classify_partition): Call get_data_dependence.
8802         (pg_add_dependence_edges): Ditto.
8803         (distribute_loop): Release data dependence hash table.
8804
8805 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8806
8807         * tree-loop-distribution.c (ref_base_address): Delete.
8808         (similar_memory_accesses): Rename ...
8809         (share_memory_accesses): ... to this.  Check if partitions access
8810         the same memory reference.
8811         (distribute_loop): Call share_memory_accesses.
8812
8813 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8814
8815         * tree-loop-distribution.c (struct partition): New field recording
8816         its data reference.
8817         (partition_alloc, partition_free): Init and release data refs.
8818         (partition_merge_into): Merge data refs.
8819         (build_rdg_partition_for_vertex): Collect data refs for partition.
8820         (pg_add_dependence_edges): Change parameters from vector to bitmap.
8821         Update uses.
8822         (distribute_loop): Remve data refs from vertice data of partition
8823         graph.
8824
8825 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8826
8827         * tree-loop-distribution.c (params.h): Include header file.
8828         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
8829         (datarefs_vec): New global var.
8830         (create_rdg_vertices): Use datarefs_vec directly.
8831         (free_rdg): Don't free data references.
8832         (build_rdg): Update use.  Don't free data references.
8833         (distribute_loop): Compute global variable for data references.
8834         Bail out if there are too many data references.
8835
8836 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8837
8838         * tree-loop-distribution.c (loop_nest): New global var.
8839         (build_rdg): Use loop directly, rather than loop nest.
8840         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
8841         variable directly.
8842         (distribute_loop): Compute global variable loop nest.  Update use.
8843
8844 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8845
8846         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
8847         (partition_merge_into): New parameter.  Dump reason for fusion.
8848         (distribute_loop): Update use of partition_merge_into.
8849
8850 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8851
8852         * tree-loop-distribution.c (bb_top_order_index): New.
8853         (bb_top_order_index_size, bb_top_order_cmp): New.
8854         (stmts_from_loop): Use topological order.
8855         (pass_loop_distribution::execute): Compute and release topological
8856         order for basic blocks.
8857
8858 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8859
8860         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
8861         if no loops.
8862
8863 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
8864
8865         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
8866         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
8867         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
8868         * internal-fn.def (LOOP_DIST_ALIAS): New.
8869         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
8870         (fold_loop_internal_call): ... this.
8871         (vect_loop_dist_alias_call): New function.
8872         (set_uid_loop_bbs): Call fold_loop_internal_call.
8873         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
8874         internal calls.
8875
8876 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
8877
8878         PR target/81300
8879         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
8880         Require dead FLAGS_REG at the beginning of a peephole.
8881
8882 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
8883
8884         PR target/81294
8885         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
8886         arguments in the call to __builtin_ia32_sbb_u32.
8887         (_subborrow_u64): Swap _X and _Y arguments in the call to
8888         __builtin_ia32_sbb_u64.
8889
8890 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
8891
8892         PR debug/81278
8893         * tree-vrp.c (compare_assert_loc): Turn into a function template
8894         with stable template parameter.  Only test if a->e is NULL,
8895         !a->e == !b->e has been verified already.  Use e == NULL or
8896         e != NULL instead of e or ! e tests.  If stable is true, don't use
8897         iterative_hash_expr, on the other side allow a or b or both NULL
8898         and sort the NULLs last.
8899         (process_assert_insertions): Sort using compare_assert_loc<false>
8900         instead of compare_assert_loc, later sort using
8901         compare_assert_loc<true> before calling process_assert_insertions_for
8902         in a loop.  Use break instead of continue once seen NULL pointer.
8903
8904 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8905
8906         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
8907         Cortex-R7 and Cortex-R8 processors.
8908
8909 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
8910
8911         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
8912         uninitialized while src is not.
8913
8914 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
8915
8916         * common/config/arm/arm-common.c: Adjust include path for
8917         arm-cpu-cdata.h
8918         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
8919         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
8920         (arm-cpu-data.h): Likewise.
8921         (arm-cpu-cdata.h): Likewise.
8922         * config/arm/arm-cpu.h: Delete.
8923         * config/arm/arm-cpu-cdata.h: Delete.
8924         * config/arm/arm-cpu-data.h: Delete.
8925
8926 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
8927
8928         * config/arm/arm-cpus.in (cortex-a55): New.
8929         (cortex-a75): Likewise.
8930         (cortex-a75.cortex-a55): Likewise.
8931         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
8932         cortex-a75.
8933         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
8934         * config/arm/arm-cpu-cdata.h: Regenerate.
8935         * config/arm/arm-cpu-data.h: Regenerate.
8936         * config/arm/arm-cpu.h: Regenerate.
8937         * config/arm/arm-tables.opt: Regenerate.
8938         * config/arm/arm-tune.md: Regenerate.
8939
8940 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
8941
8942         * haifa-sched.c (sched_create_recovery_edges): Update profile.
8943
8944 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
8945
8946         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
8947         probability.
8948
8949 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
8950
8951         PR tree-optimization/81292
8952         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
8953         full_string_p, also call adjust_related_strinfos if the adjustment
8954         is simple, otherwise invalidate related strinfos.
8955
8956 2017-07-04  Martin Liska  <mliska@suse.cz>
8957
8958         PR sanitizer/81040
8959         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
8960         newly created variable as DECL_IGNORED_P.
8961
8962 2017-07-04  Martin Liska  <mliska@suse.cz>
8963
8964         PR ipa/81293
8965         * ipa-inline.c (inline_small_functions):
8966         Use xstrdup_for_dump.
8967
8968 2017-07-04  Tom de Vries  <tom@codesourcery.com>
8969
8970         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
8971
8972 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
8973
8974         PR target/81033
8975         * config/darwin.c (darwin_function_switched_text_sections):
8976         Fix spaces.
8977
8978 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
8979
8980         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
8981
8982 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
8983
8984         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
8985
8986 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
8987
8988         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
8989         min_profitable_iters, and th as inclusive lower bounds.
8990         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
8991         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
8992         for min_profitable_iters and min_profitable_estimate.
8993         (vect_transform_loop): Treat th as an inclusive lower bound.
8994         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
8995
8996 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
8997
8998         PR target/81033
8999         * config/darwin.c (darwin_function_switched_text_sections):
9000         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
9001         in two pieces, and suppress the use of buf.
9002
9003 2017-07-03  Nathan Sidwell  <nathan@acm.org>
9004
9005         * hash-table.h (hash_table_mod1): Fix indentation.
9006
9007 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9008
9009         PR middle-end/81290
9010         * predict.c (force_edge_cold): Be more careful about propagation
9011         backward.
9012         * profile-count.h (profile_probability::guessed,
9013         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
9014         New.
9015         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
9016
9017 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
9018
9019         * doc/invoke.texi (rcpc architecture extension): Document it.
9020
9021 2017-07-03  Richard Biener  <rguenther@suse.de>
9022
9023         PR tree-optimization/60510
9024         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
9025         the scalar reduction PHI and use it.
9026         (vectorizable_reduction): Properly guard the single_defuse_cycle
9027         path for non-SLP reduction chains where we cannot use it.
9028         Rework reduc_def/index and vector type deduction.  Rework
9029         vector operand gathering during reduction op code-gen.
9030         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
9031         chains dissolve the chain and leave it to non-SLP reduction
9032         handling.
9033
9034 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9035
9036         * tree-data-ref.h (dr_alignment): Declare.
9037         * tree-data-ref.c (dr_alignment): New function.
9038         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
9039         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
9040         set it.
9041         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
9042
9043 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9044
9045         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
9046         and base_misalignment fields.
9047         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
9048         * tree-data-ref.c: Include builtins.h.
9049         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
9050         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
9051         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
9052         * tree-vect-data-refs.c: Include tree-cfg.h.
9053         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
9054         fields instead of calculating an alignment here.
9055         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
9056         innermost_loop_behavior fields.
9057
9058 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9059
9060         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
9061         field.
9062         (DR_STEP_ALIGNMENT): New macro.
9063         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
9064         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
9065         (create_data_ref): Print it.
9066         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
9067         to tell whether the step preserves vector (mis)alignment.
9068         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9069         Move the check for an integer step and generalise to all INTEGER_CST.
9070         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
9071         Print the outer step alignment.
9072
9073 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9074
9075         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
9076         with offset_alignment.
9077         (DR_ALIGNED_TO): Delete.
9078         (DR_OFFSET_ALIGNMENT): New macro.
9079         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
9080         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
9081         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
9082         (create_data_ref): Likewise.
9083         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
9084         (vect_analyze_data_refs): Likewise.
9085         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
9086         creating dummy innermost behavior.
9087
9088 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9089
9090         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
9091         with a "innermost_loop_behavior *" and refeence tree.
9092         * tree-data-ref.c (dr_analyze_innermost): Likewise.
9093         (create_data_ref): Update call accordingly.
9094         * tree-predcom.c (find_looparound_phi): Likewise.
9095
9096 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9097
9098         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
9099         fields with dr_wrt_vec_loop.
9100         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
9101         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
9102         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
9103         (vect_dr_behavior): New function.
9104         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9105         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
9106         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
9107         track whether the step preserves the misalignment.
9108         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
9109         Use vect_dr_behavior.
9110         (vect_setup_realignment): Update call accordingly.
9111         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
9112         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
9113         call to vect_create_addr_base_for_vector_ref.
9114         (vect_create_cond_for_align_checks): Likewise.
9115         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
9116         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
9117         (vect_recog_mask_conversion_pattern): Likewise.
9118         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
9119         (new_stmt_vec_info): Remove redundant zeroing.
9120
9121 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
9122
9123         * common/config/arm/arm-common.c (arm_be8_option): New function.
9124         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
9125         (ISA_ARMv6): Add isa_bit_be8.
9126         * config/arm/arm.h (arm_be8_option): Add prototype.
9127         (BE8_SPEC_FUNCTION): New define.
9128         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
9129         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
9130         (mlittle-endian): Similarly.
9131         (mbe8, mbe32): New options.
9132         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
9133         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
9134
9135 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9136
9137         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
9138
9139 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9140
9141         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
9142         (cleanup_tree_cfg_bb): Use it.
9143         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
9144         New functions.
9145         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
9146
9147 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9148
9149         PR bootstrap/81285
9150         * loop-doloop.c (add_test): Update profile.
9151
9152 2017-07-03  Martin Liska  <mliska@suse.cz>
9153
9154         PR sanitize/81040
9155         * sanopt.c (rewrite_usage_of_param): New function.
9156         (sanitize_rewrite_addressable_params): Likewise.
9157         (pass_sanopt::execute): Call rewrite_usage_of_param.
9158
9159 2017-07-03  Richard Biener  <rguenther@suse.de>
9160
9161         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
9162         back to using VIEW_CONVERT_EXPR.
9163
9164 2017-07-03  Martin Liska  <mliska@suse.cz>
9165
9166         PR other/78366
9167         * doc/extend.texi: Document when a resolver function is
9168         generated for target_clones.
9169
9170 2017-07-03  Martin Liska  <mliska@suse.cz>
9171
9172         * asan.c (asan_emit_stack_protection): Unpoison just red zones
9173         and shadow memory of auto variables which are subject of
9174         use-after-scope sanitization.
9175         (asan_expand_mark_ifn): Add do set only when is_poison.
9176
9177 2016-07-03  Richard Biener  <rguenther@suse.de>
9178
9179         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
9180         reduction PHIs.
9181         (vect_force_simple_reduction): Record reduction def -> phi mapping.
9182         (vectorizable_reduction): Perform reduction PHI creation when
9183         visiting a reduction PHI and adjust and simplify code generation
9184         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
9185         (vect_transform_loop): Visit reduction PHIs.
9186         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
9187         defs into the SLP tree.
9188         (vect_build_slp_tree): Reduction defs terminate the recursion.
9189         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
9190         of reduction defs.
9191         (vect_get_vec_defs_for_stmt_copy): Export.
9192         (vect_get_vec_defs): Likewise.
9193         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
9194         purpose.
9195         (vect_get_vec_defs_for_stmt_copy): Declare.
9196         (vect_get_vec_defs): Likewise.
9197
9198 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
9199
9200         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
9201         parameter with a "loop" parameter and use it instead of the
9202         loop containing DR_STMT.  Don't check simple_iv when doing
9203         BB analysis.  Describe the two analysis modes in the comment.
9204
9205 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9206
9207         PR tree-optimization/69468
9208         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
9209         (find_same_succ_bb): Handle ignore_edge_flags.
9210
9211 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9212
9213         PR tree-optimization/81192
9214         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
9215         hash.
9216         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
9217         differs.
9218         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
9219
9220 2017-07-03  Tom de Vries  <tom@codesourcery.com>
9221
9222         PR tree-optimization/81192
9223         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
9224         BB_SAME_SUCC (bb) == NULL.
9225
9226 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9227
9228         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
9229         consistency.
9230
9231 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9232
9233         * dumpfile.c: Include profile-count.h
9234         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
9235         update profile.
9236         (insert_cond_bb): Update profile.
9237         * tree-cfg.h (insert_cond_bb): Update prototype.
9238         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
9239         * tree-dump.c: Do not include tree-cfg.
9240
9241 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9242
9243         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
9244
9245 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9246
9247         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
9248         bb.
9249
9250 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
9251
9252         * tree-complex.c (expand_complex_div_wide): update profile.
9253
9254 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9255             Alan Hayward  <alan.hayward@arm.com>
9256             David Sherwood  <david.sherwood@arm.com>
9257
9258         * Makefile.in (MACHMODE_H): Remove insn-modes.h
9259         (CORETYPES_H): New define.
9260         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
9261         (insn-modes-inline.h, s-modes-inline-h): New rules.
9262         (generated_files): Add insn-modes-inline.h.
9263         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
9264         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
9265         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
9266         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
9267         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
9268         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
9269         (build/gencodes.o, build/genconditions.o): Likewise.
9270         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
9271         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
9272         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
9273         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
9274         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
9275         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
9276         * coretypes.h: Include everything up to real.h for generators.
9277         Include insn-modes.h first.  Include wide-int-print.h after
9278         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
9279         * machmode.h: Don't include insn-modes.h here.
9280         * function-tests.c: Remove includes of signop.h, machmode.h,
9281         double-int.h and wide-int.h.
9282         * rtl.h: Likewise.
9283         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
9284         and wide-int.h.
9285         * optc-save-gen.awk: Likewise.
9286         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
9287         * godump.c: Remove include of wide-int-print.h.
9288         * pretty-print.h: Likewise.
9289         * wide-int-print.cc: Likewise.
9290         * wide-int.cc: Likewise.
9291         * hash-map-tests.c: Remove include of signop.h.
9292         * hash-set-tests.c: Likewise.
9293         * rtl-tests.c: Likewise.
9294         * mkconfig.sh: Remove include of machmode.h.
9295         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
9296         into...
9297         (emit_insn_modes_inline_h): ...this new function.  Emit the code
9298         into an insn-modes-inline.h header file, adding appropriate
9299         include guards and end comments.
9300         (emit_insn_modes_c_header): Remove include of machmode.h.
9301         (emit_min_insn_modes_c_header): Include coretypes.h rather than
9302         machmode.h.
9303         (main): Handle -i flag and call emit_insn_modes_inline_h when
9304         it is passed.
9305
9306 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9307
9308         * tree-ssa-strlen.c (strinfo): Rename the length field to
9309         nonzero_chars.  Add a full_string_p field.
9310         (compare_nonzero_chars, zero_length_string_p): New functions.
9311         (get_addr_stridx): Add an offset_out parameter.
9312         Use compare_nonzero_chars.
9313         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
9314         (new_strinfo): Update after above changes to strinfo.
9315         (set_endptr_and_length): Set full_string_p.
9316         (get_string_length): Update after above changes to strinfo.
9317         (unshare_strinfo): Update call to new_strinfo.
9318         (maybe_invalidate): Likewise.
9319         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
9320         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
9321         as a uhwi instead of an shwi.  Update after above changes to
9322         strinfo and new_strinfo.
9323         (zero_length_string): Assert that chainsi contains full strings.
9324         Use zero_length_string_p.  Update call to new_strinfo.
9325         (adjust_related_strinfos): Update after above changes to strinfo.
9326         Copy full_string_p from origsi.
9327         (adjust_last_stmt): Use zero_length_string_p.
9328         (handle_builtin_strlen): Update after above changes to strinfo and
9329         new_strinfo.  Install the lhs as the string length if the previous
9330         entry didn't describe a full string.
9331         (handle_builtin_strchr): Update after above changes to strinfo
9332         and new_strinfo.
9333         (handle_builtin_strcpy): Likewise.
9334         (handle_builtin_strcat): Likewise.
9335         (handle_builtin_malloc): Likewise.
9336         (handle_pointer_plus): Likewise.
9337         (handle_builtin_memcpy): Likewise.  Track nonzero characters
9338         that aren't necessarily followed by a nul terminator.
9339         (handle_char_store): Likewise.
9340
9341 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9342
9343         PR tree-optimization/80769
9344         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
9345         for malloc and calloc.  Document the new invariant that all related
9346         strinfos have delayed lengths or none do.
9347         (verify_related_strinfos): Move earlier in file.
9348         (set_endptr_and_length): New function, split out from...
9349         (get_string_length): ...here.  Also set the lengths of related
9350         strinfos.
9351         (zero_length_string): Assert that chainsi has known (rather than
9352         delayed) lengths.
9353         (adjust_related_strinfos): Likewise.
9354
9355 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
9356
9357         PR tree-optimization/81136
9358         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
9359         assert that two references with the same misalignment have the same
9360         compile-time misalignment if those compile-time misalignments
9361         are known.
9362
9363 2017-07-01  Andi Kleen  <ak@linux.intel.com>
9364
9365         * print-tree.c (print_node): Print all attributes.
9366
9367 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9368
9369         * cfg.c (scale_bbs_frequencies): New function.
9370         * cfg.h (scale_bbs_frequencies): Declare it.
9371         * cfgloopanal.c (single_likely_exit): Cleanup.
9372         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
9373         as parameter.
9374         (scale_loop_profile): Likewise.
9375         (loop_version): Likewise.
9376         (create_empty_loop_on_edge): Update.
9377         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
9378         scale_loop_frequencies, scale_loop_profile, loopify,
9379         loop_version): Update prototypes.
9380         * modulo-sched.c (sms_schedule): Update.
9381         * predict.c (unlikely_executed_edge_p): Also check probability.
9382         (probably_never_executed_edge_p): Fix typo.
9383         * tree-if-conv.c (version_loop_for_if_conversion): Update.
9384         * tree-parloops.c (gen_parallel_loop): Update.
9385         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
9386         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
9387         * tree-ssa-loop-split.c (split_loop): Update.
9388         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
9389         * tree-vect-loop-manip.c (vect_do_peeling): Update.
9390         (vect_loop_versioning): Update.
9391         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
9392
9393 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9394
9395         * trans-mem.c (split_bb_make_tm_edge): Update profile.
9396
9397 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9398
9399         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
9400         to keep profile consistent.
9401
9402 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9403
9404         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
9405         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
9406         * profile-count.h (max_safe_multiplier): Make unsigned.
9407         (profile_count::guessed_zero): New.
9408
9409 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9410
9411         * bb-reorder.c (fix_up_crossing_landing_pad,
9412         fix_crossing_conditional_branches): Use make_single_succ_edge
9413         to keep profile consistent.
9414
9415 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
9416
9417         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
9418         to update profile.
9419
9420 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
9421
9422         PR sanitizer/81262
9423         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
9424         the right scopes, make sure cond_jump isn't preserved between multiple
9425         iterations.  Search for fallthru edge whenever there are 3+ edges and
9426         use find_fallthru_edge for it.
9427
9428 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9429
9430         Patch by Alexander Monakov <amonakov@ispras.ru>
9431         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
9432         probabilities consistently.
9433
9434 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9435
9436         * pa.c (pa_expand_compare_and_swap_loop): Update call of
9437         emit_cmp_and_jump_insns.
9438
9439 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9440
9441         PR ipa/81261
9442         * tree-inline.c (expand_call_inline): Combine profile statuses.
9443
9444 2017-06-30  Andrew Pinski  <apinski@cavium.com>
9445
9446         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
9447         fold_stmt returned true.
9448
9449 2017-06-30  Nathan Sidwell  <nathan@acm.org>
9450
9451         * ggc.h (empty_string): Delete.
9452         * cfgexpand.c (expand_asm_stmt): Use plain "".
9453         * optabs.c (expand_asm_memory_barrier): Likewise.
9454         * stringpool.c (empty_string): Delete.
9455         (digit_vector, digit_string): Delete.
9456         (ggc_alloc_string): Use plain "", don't optimize single digit
9457         strings.  Use ggc_alloc_atomic.
9458
9459 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
9460
9461         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
9462         comparison set and one other set, use the cost of the non-comparison
9463         set.
9464
9465 2017-06-30  Nathan Sidwell  <nathan@acm.org>
9466
9467         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
9468         some formatting.
9469
9470 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
9471
9472         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
9473         loops.  Remove now unneeded calls to gimple_switch_set_label() that
9474         just set removed labels to NULL_TREE.
9475
9476 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
9477
9478         * tree-ssanames.c (set_range_info_raw): Abstract from ...
9479         (set_range_info): ...here.  Only call set_range_info_raw if domain
9480         is useful.
9481         (set_nonzero_bits): Call set_range_info_raw.
9482         * tree-ssanames.h (set_range_info_raw): New.
9483
9484 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
9485
9486         PR target/81225
9487         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
9488         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
9489         of nonimmediate_operand and <store_mask_constraint> instead of m
9490         for the input operand.  For V8FI iterator, always split if input
9491         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
9492         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
9493         <store_mask_predicate> instead of register_operand and
9494         <store_mask_constraint> instead of v for the input operand.  Make
9495         sure both operands aren't MEMs for if not <mask_applied>.
9496
9497 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
9498
9499         * lto-wrapper.c (copy_file) Close both file descriptors before
9500         exiting normally.
9501
9502 2017-06-30  Martin Liska  <mliska@suse.cz>
9503
9504         PR ipa/81214
9505         * multiple_target.c (create_dispatcher_calls): Make ifunc
9506         also for function that don't have calls or are not referenced.
9507
9508 2017-06-30  Richard Biener  <rguenther@suse.de>
9509
9510         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
9511         analyze the first scalar stmt.  Move vector type computation
9512         for the BB case here from ...
9513         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
9514         live operation processing in the SLP case properly.
9515
9516 2017-06-30  Richard Biener  <rguenther@suse.de>
9517
9518         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
9519
9520 2017-06-30  Martin Liska  <mliska@suse.cz>
9521
9522         PR sanitizer/81021
9523         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
9524         before BUILT_IN_UNWIND_RESUME when ASAN is used.
9525
9526 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
9527
9528         * doc/invoke.texi (AArch64): Add missing options and remove redundant
9529         ones.
9530
9531 2017-06-30  Richard Biener  <rguenther@suse.de>
9532
9533         PR tree-optimization/81249
9534         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
9535         condition reduction result to original scalar type.
9536
9537 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9538
9539         * profile-count.h (enum profile_quality): Fix typos and whitespace
9540         issues.
9541
9542 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9543
9544         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
9545         type for branch probabilities.
9546
9547 2017-06-29  Julian Brown  <julian@codesourcery.com>
9548             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
9549
9550         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
9551         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
9552         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
9553         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
9554
9555 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
9556
9557         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
9558         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
9559         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
9560         CC usage from generic code to here.
9561         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
9562         CC usage into the target macros.
9563
9564 2017-06-29  Maya Rashish  <coypu@sdf.org>
9565
9566         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
9567         objects.
9568
9569 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9570
9571         * arm/arm-builtins.c: Include profile-count.h
9572         * except.c (sjlj_emit_function_enter): Use
9573         profile_probability::unlikely.
9574
9575 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9576
9577         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
9578         and tocrel_offset be pointer args rather than implicitly using
9579         static versions.
9580         (legitimate_constant_pool_address_p, rs6000_emit_move,
9581         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
9582         tocrel_offset and use in toc_relative_expr_p call.
9583         (print_operand, print_operand_address): Use static tocrel_base_oac
9584         and tocrel_offset_oac.
9585         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
9586         tocrel_offset_oac.
9587
9588 2017-06-29  Maya Rashish  <coypu@sdf.org>
9589
9590         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
9591
9592 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
9593
9594         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
9595         objects, take into account only the alignment of 'op0' and 'mode1' if
9596         'op0' is a MEM.
9597
9598 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
9599
9600         * ccmp.c (ccmp_tree_comparison_p): New function.
9601         (ccmp_candidate_p): Update to use above function.
9602         (get_compare_parts): New function.
9603         (expand_ccmp_next): Update to use new functions.
9604         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
9605         new functions.
9606         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
9607         take mode as argument.
9608         * ccmp.h (expand_ccmp_expr): Add mode as argument.
9609         * expr.c (expand_expr_real_1): Pass mode as argument.
9610
9611 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
9612
9613         * combine.c (combine_instructions): Print insns to dump_file, together
9614         with their costs.
9615
9616 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
9617
9618         * asan.c (asan_emit_stack_protection): Update.
9619         (create_cond_insert_point): Update.
9620         * auto-profile.c (afdo_propagate_circuit): Update.
9621         * basic-block.h (struct edge_def): Turn probability to
9622         profile_probability.
9623         (EDGE_FREQUENCY): Update.
9624         * bb-reorder.c (find_traces_1_round): Update.
9625         (better_edge_p): Update.
9626         (sanitize_hot_paths): Update.
9627         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
9628         (make_single_succ_edge): Update.
9629         (check_bb_profile): Update.
9630         (dump_edge_info): Update.
9631         (update_bb_profile_for_threading): Update.
9632         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
9633         probabilitycount to 0.
9634         * cfgbuild.c (compute_outgoing_frequencies): Update.
9635         * cfgcleanup.c (try_forward_edges): Update.
9636         (outgoing_edges_match): Update.
9637         (try_crossjump_to_edge): Update.
9638         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
9639         (expand_gimple_tailcall): Update.
9640         (construct_init_block): Use make_single_succ_edge.
9641         (construct_exit_block): Use make_single_succ_edge.
9642         * cfghooks.c (verify_flow_info): Update.
9643         (redirect_edge_succ_nodup): Update.
9644         (split_edge): Update.
9645         (account_profile_record): Update.
9646         * cfgloopanal.c (single_likely_exit): Update.
9647         * cfgloopmanip.c (scale_loop_profile): Update.
9648         (set_zero_probability): Remove.
9649         (duplicate_loop_to_header_edge): Update.
9650         * cfgloopmanip.h (loop_version): Update prototype.
9651         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
9652         (force_nonfallthru_and_redirect): Update.
9653         (update_br_prob_note): Update.
9654         (rtl_verify_edges): Update.
9655         (purge_dead_edges): Update.
9656         (rtl_lv_add_condition_to_bb): Update.
9657         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
9658         * cgraphunit.c (init_lowered_empty_function): Update.
9659         (cgraph_node::expand_thunk): Update.
9660         * cilk-common.c: Include profile-count.h
9661         * dojump.c (inv): Remove.
9662         (jumpifnot): Update.
9663         (jumpifnot_1): Update.
9664         (do_jump_1): Update.
9665         (do_jump): Update.
9666         (do_jump_by_parts_greater_rtx): Update.
9667         (do_compare_rtx_and_jump): Update.
9668         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
9669         do_jump_1. do_compare_rtx_and_jump): Update prototype.
9670         * dwarf2cfi.c: Include profile-count.h
9671         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
9672         (sjlj_emit_dispatch_table): Likewise.
9673         * explow.c: Include profile-count.h
9674         * expmed.c (emit_store_flag_force): Update.
9675         (do_cmp_and_jump): Update.
9676         * expr.c (compare_by_pieces_d::generate): Update.
9677         (compare_by_pieces_d::finish_mode): Update.
9678         (emit_block_move_via_loop): Update.
9679         (store_expr_with_bounds): Update.
9680         (store_constructor): Update.
9681         (expand_expr_real_2): Update.
9682         (expand_expr_real_1): Update.
9683         * expr.h (try_casesi, try_tablejump): Update prototypes.
9684         * gimple-pretty-print.c (dump_probability): Update.
9685         (dump_profile): New.
9686         (dump_gimple_label): Update.
9687         (dump_gimple_bb_header): Update.
9688         * graph.c (draw_cfg_node_succ_edges): Update.
9689         * hsa-gen.c (convert_switch_statements): Update.
9690         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
9691         (find_if_case_1): Update.
9692         (find_if_case_2): Update.
9693         * internal-fn.c (expand_arith_overflow_result_store): Update.
9694         (expand_addsub_overflow): Update.
9695         (expand_neg_overflow): Update.
9696         (expand_mul_overflow): Update.
9697         (expand_vector_ubsan_overflow): Update.
9698         * ipa-cp.c (good_cloning_opportunity_p): Update.
9699         * ipa-split.c (split_function): Use make_single_succ_edge.
9700         * ipa-utils.c (ipa_merge_profiles): Update.
9701         * loop-doloop.c (add_test): Update.
9702         (doloop_modify): Update.
9703         * loop-unroll.c (compare_and_jump_seq): Update.
9704         (unroll_loop_runtime_iterations): Update.
9705         * lra-constraints.c (lra_inheritance): Update.
9706         * lto-streamer-in.c (input_cfg): Update.
9707         * lto-streamer-out.c (output_cfg): Update.
9708         * mcf.c (adjust_cfg_counts): Update.
9709         * modulo-sched.c (sms_schedule): Update.
9710         * omp-expand.c (expand_omp_for_init_counts): Update.
9711         (extract_omp_for_update_vars): Update.
9712         (expand_omp_ordered_sink): Update.
9713         (expand_omp_for_ordered_loops): Update.
9714         (expand_omp_for_generic): Update.
9715         (expand_omp_for_static_nochunk): Update.
9716         (expand_omp_for_static_chunk): Update.
9717         (expand_cilk_for): Update.
9718         (expand_omp_simd): Update.
9719         (expand_omp_taskloop_for_outer): Update.
9720         (expand_omp_taskloop_for_inner): Update.
9721         * omp-simd-clone.c (simd_clone_adjust): Update.
9722         * optabs.c (expand_doubleword_shift): Update.
9723         (expand_abs): Update.
9724         (emit_cmp_and_jump_insn_1): Update.
9725         (expand_compare_and_swap_loop): Update.
9726         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
9727         * predict.c (predictable_edge_p): Update.
9728         (edge_probability_reliable_p): Update.
9729         (set_even_probabilities): Update.
9730         (combine_predictions_for_insn): Update.
9731         (combine_predictions_for_bb): Update.
9732         (propagate_freq): Update.
9733         (estimate_bb_frequencies): Update.
9734         (force_edge_cold): Update.
9735         * profile-count.c (profile_count::dump): Add missing space into dump.
9736         (profile_count::debug): Add newline.
9737         (profile_count::differs_from_p): Explicitly convert to unsigned.
9738         (profile_count::stream_in): Update.
9739         (profile_probability::dump): New member function.
9740         (profile_probability::debug): New member function.
9741         (profile_probability::differs_from_p): New member function.
9742         (profile_probability::differs_lot_from_p): New member function.
9743         (profile_probability::stream_in): New member function.
9744         (profile_probability::stream_out): New member function.
9745         * profile-count.h (profile_count_quality): Rename to ...
9746         (profile_quality): ... this one.
9747         (profile_probability): New.
9748         (profile_count): Update.
9749         * profile.c (compute_branch_probabilities): Update.
9750         * recog.c (peep2_attempt): Update.
9751         * sched-ebb.c (schedule_ebbs): Update.
9752         * sched-rgn.c (find_single_block_region): Update.
9753         (compute_dom_prob_ps): Update.
9754         (schedule_region): Update.
9755         * sel-sched-ir.c (compute_succs_info): Update.
9756         * stmt.c (struct case_node): Update.
9757         (do_jump_if_equal): Update.
9758         (get_outgoing_edge_probs): Update.
9759         (conditional_probability): Update.
9760         (emit_case_dispatch_table): Update.
9761         (expand_case): Update.
9762         (expand_sjlj_dispatch_table): Update.
9763         (emit_case_nodes): Update.
9764         * targhooks.c: Update.
9765         * tracer.c (better_p): Update.
9766         (find_best_successor): Update.
9767         * trans-mem.c (expand_transaction): Update.
9768         * tree-call-cdce.c: Update.
9769         * tree-cfg.c (gimple_split_edge): Upate.
9770         (move_sese_region_to_fn): Upate.
9771         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
9772         * tree-eh.c (lower_resx): Upate.
9773         (cleanup_empty_eh_move_lp): Upate.
9774         * tree-if-conv.c (version_loop_for_if_conversion): Update.
9775         * tree-inline.c (copy_edges_for_bb): Update.
9776         (copy_cfg_body): Update.
9777         * tree-parloops.c (gen_parallel_loop): Update.
9778         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
9779         (gimple_gen_time_profiler): Update.
9780         * tree-ssa-dce.c (remove_dead_stmt): Update.
9781         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
9782         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
9783         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
9784         (unloop_loops): Update.
9785         (try_peel_loop): Update.
9786         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
9787         * tree-ssa-loop-split.c (connect_loops): Update.
9788         (split_loop): Update.
9789         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
9790         (hoist_guard): Update.
9791         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
9792         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
9793         (value_replacement): Update.
9794         * tree-ssa-reassoc.c (branch_fixup): Update.
9795         * tree-ssa-tail-merge.c (replace_block_by): Update.
9796         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
9797         (create_edge_and_update_destination_phis): Update.
9798         (compute_path_counts): Update.
9799         (recompute_probabilities): Update.
9800         (update_joiner_offpath_counts): Update.
9801         (freqs_to_counts_path): Update.
9802         (duplicate_thread_path): Update.
9803         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
9804         (struct switch_conv_info): Update.
9805         (gen_inbound_check): Update.
9806         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
9807         (vect_do_peeling): Update.
9808         (vect_loop_versioning): Update.
9809         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
9810         (optimize_mask_stores): Update.
9811         * ubsan.c (ubsan_expand_null_ifn): Update.
9812         * value-prof.c (gimple_divmod_fixed_value): Update.
9813         (gimple_divmod_fixed_value_transform): Update.
9814         (gimple_mod_pow2): Update.
9815         (gimple_mod_pow2_value_transform): Update.
9816         (gimple_mod_subtract): Update.
9817         (gimple_mod_subtract_transform): Update.
9818         (gimple_ic): Update.
9819         (gimple_stringop_fixed_value): Update.
9820         (gimple_stringops_transform): Update.
9821         * value-prof.h: Update.
9822
9823 2017-06-29  Carl Love  <cel@us.ibm.com>
9824
9825         * config/rs6000/rs6000-c.c: Add support for built-in functions
9826         vector signed int vec_signed (vector float);
9827         vector signed long long vec_signed (vector double);
9828         vector signed int vec_signed2 (vector double, vector double);
9829         vector signed int vec_signede (vector double);
9830         vector signed int vec_signedo (vector double);
9831         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
9832         instruction generator.
9833         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
9834         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
9835         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
9836         Add define_insn.
9837         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
9838         vunsignede_v2df): Add define_expands.
9839         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
9840         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
9841         VEC_UNSIGNEDO): Add definitions.
9842         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
9843         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
9844         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
9845         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
9846         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
9847         * config/rs6000/altivec.h (vec_signed, vec_signed2,
9848         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
9849         vec_unsignede, vec_unsignedo): Add builtin defines.
9850         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
9851         declaration.
9852         * doc/extend.texi: Update the built-in documentation file for the
9853         new built-in functions.
9854
9855 2017-06-29  Richard Biener  <rguenther@suse.de>
9856
9857         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
9858         reduction chains to LOOP_VINFO_REDUCTIONS.
9859         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
9860         SLP reductions after processing reduction chains.
9861
9862 2017-06-29  Nathan Sidwell  <nathan@acm.org>
9863
9864         * builtins.c (fold_builtin_FUNCTION): Use
9865         lang_hooks.decl_printable_name.
9866
9867 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
9868
9869         PR middle-end/81194
9870         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
9871         with only one label.
9872         * stmt.c (expand_case): Assert NCASES is greater than one.
9873
9874 2017-06-29  Richard Biener  <rguenther@suse.de>
9875
9876         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
9877         anything.
9878         (group_case_labels): Likewise.
9879         (find_taken_edge): Push sanity checking on val to workers...
9880         (find_taken_edge_cond_expr): ... here
9881         (find_taken_edge_switch_expr): ... and here, handle cases
9882         with just a default label.
9883         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
9884         (group_case_labels): Likewise.
9885         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
9886         group_case_labels does anything cleanup the CFG again.
9887
9888 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
9889
9890         PR tree-optimization/81196
9891         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
9892         exit condition comparing two IVs.
9893
9894 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
9895
9896         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
9897         profile to the dummy entry at the end of the list of architectures.
9898         * config/arm/arm-cpu-cdata.h: Regenerated.
9899
9900 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9901             Michael Collison <michael.collison@arm.com>
9902
9903         PR target/70119
9904         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
9905         New pattern.
9906         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
9907         (*aarch64_reg_<mode>3_minus_mask): New pattern.
9908         (*aarch64_<optab>_reg_di3_mask2): New pattern.
9909         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
9910         of shift when the shift amount is masked with constant equal to
9911         the size of the mode.
9912         * config/aarch64/predicates.md (subreg_lowpart_operator): New
9913         predicate.
9914
9915 2017-06-29  Martin Liska  <mliska@suse.cz>
9916
9917         * config/i386/i386.opt: Change range from [1,5] to [0,5].
9918
9919 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
9920
9921         PR bootstrap/80565
9922         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
9923         code.
9924         * ipa-inline.h
9925         (edge_growth_cache_entry::edge_growth_cache_entry): New
9926         function.
9927         (reset_edge_growth_cache): Update to use constructor.
9928
9929 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9930
9931         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
9932         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
9933         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
9934
9935 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
9936
9937         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
9938         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
9939
9940 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
9941
9942         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
9943         (*-linux-uclibc*): Add t-uclibc tmake_file.
9944         * config/t-musl: New.
9945         * config/t-uclibc: New.
9946
9947 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
9948
9949         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
9950         context.
9951         (gen_comm_data): Emit architectural setting of arch_prof.
9952         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
9953         profile.
9954         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
9955         (armv8-m.base, armv8-m.main): Likewise.
9956         * arm-protos.h (arm_build_target): Add profile field.
9957         (arch_option): Likewise.
9958         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
9959         the active target.
9960         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
9961         arm_active_target.profile.
9962
9963 2017-06-28  Richard Biener  <rguenther@suse.de>
9964
9965         PR middle-end/81227
9966         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
9967         TYPE_OVERFLOW_WRAPS.
9968         * match.pd (negate_expr_p): Likewise.
9969         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
9970         fold_build2, not fold_binary.
9971
9972 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
9973
9974         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
9975         Convert memory address to Pmode.
9976         (aarch64_print_operand): Assert MEM operands are always Pmode.
9977
9978 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
9979
9980         PR target/79665
9981         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
9982         Remove redundant if.
9983         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
9984         * config/arm/aarch-common-protos.h
9985         (aarch_forward_to_shift_is_not_shifted_re): Remove.
9986         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
9987
9988 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
9989
9990         PR ipa/81238
9991         * multiple_target.c (create_dispatcher_calls): Set the default
9992         clone to be static, not public.
9993
9994 2017-06-28  Richard Biener  <rguenther@suse.de>
9995
9996         * tree-vect-loop.c (vectorizable_reduction): Move special
9997         cond reduction IV var creation ...
9998         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
9999         parameter.  Use STMT_VINFO_VECTYPE.
10000         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
10001         constant_p.
10002
10003 2017-06-28  Martin Liska  <mliska@suse.cz>
10004
10005         PR ipa/81128
10006         * ipa-visibility.c (non_local_p): Handle visibility.
10007
10008 2017-06-28  Martin Liska  <mliska@suse.cz>
10009
10010         PR driver/79659
10011         * common.opt: Add IntegerRange to various options.
10012         * opt-functions.awk (integer_range_info): New function.
10013         * optc-gen.awk: Add integer_range_info to cl_options struct.
10014         * opts-common.c (decode_cmdline_option): Handle
10015         CL_ERR_INT_RANGE_ARG.
10016         (cmdline_handle_error): Likewise.
10017         * opts.c (print_filtered_help): Show valid interval in
10018         when --help is provided.
10019         * opts.h (struct cl_option): Add range_min and range_max fields.
10020         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
10021
10022 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
10023
10024         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
10025         (x * C EQ/NE y * C): New transformation.
10026
10027 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
10028
10029         * genmultilib (combination_space): Accept '+' in option names.
10030
10031 2017-06-28  Martin Liska  <mliska@suse.cz>
10032
10033         PR sanitizer/81224
10034         * asan.c (instrument_derefs): Bail out inner references
10035         that are hard register variables.
10036
10037 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
10038
10039         PR target/81175
10040         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
10041         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
10042
10043 2017-06-28  Richard Biener  <rguenther@suse.de>
10044
10045         * tree-vectorizer.h (vect_get_vec_defs): Remove.
10046         (vect_get_slp_defs): Adjust.
10047         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
10048         out from ...
10049         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
10050         simplify.
10051         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
10052         get_initial_defs_for_reduction instead of vect_get_vec_defs.
10053         (vectorizable_reduction): Adjust.
10054         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
10055         handling.
10056         (vect_get_slp_defs): Likewise.
10057         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
10058         (vectorizable_bswap): Adjust.
10059         (vectorizable_call): Likewise.
10060         (vectorizable_conversion): Likewise.
10061         (vectorizable_assignment): Likewise.
10062         (vectorizable_shift): Likewise.
10063         (vectorizable_operation): Likewise.
10064         (vectorizable_store): Likewise.
10065         (vectorizable_condition): Likewise.
10066         (vectorizable_comparison): Likewise.
10067
10068 2017-06-28  Michael Collison  <michael.collison@arm.com>
10069
10070         PR target/68535
10071         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
10072         set of base_reg
10073         (arm_gen_movmemqi): Removed unused variable 'i'.
10074         Convert 'for' loop into 'while' loop.
10075         (arm_expand_prologue): Remove last unnecessary set of insn.
10076         (thumb_pop): Remove unused variable 'pushed_words'.
10077         (thumb_exit): Remove last unnecessary set of regs_to_pop.
10078
10079 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10080
10081         * config/s390/predicates.md: Use s390_rel_address_ok_p.
10082         * config/s390/s390-protos.h: Add prototype of
10083         s390_rel_address_ok_p.
10084         * config/s390/s390.c (s390_got_symbol): New function.
10085         (s390_rel_address_ok_p): New function.
10086         (legitimize_pic_address): Use s390_rel_address_ok_p.
10087         (s390_load_got): Use s390_got_symbol.
10088         (s390_option_override): Issue error if
10089         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
10090         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
10091         New macro.
10092         * config/s390/s390.opt: New option mpic-data-is-text-relative.
10093
10094 2017-06-27  Andrew Pinski  <apinski@cavium.com>
10095
10096         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
10097         (X * copysign (1.0, X)): New pattern.
10098         (X * copysign (1.0, -X)): New pattern.
10099         (copysign (-1.0, CST)): New pattern.
10100
10101 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
10102
10103         * genmultilib (combination_space): Remove variable.
10104         Validate reuse rules against regular expression for any sequence
10105         of multilib options in any order.
10106
10107 2017-06-27  Michael Collison  <michael.collison@arm.com>
10108
10109         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
10110         call aarch64_split_simd_combine.
10111         * (aarch64_combine_internal<mode>): Delete pattern.
10112         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
10113         Allow register and subreg operands.
10114
10115 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10116
10117         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
10118         specific need, just fallback on defaults.
10119         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
10120
10121 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10122             Olivier Hainque  <hainque@adacore.com>
10123
10124         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
10125         map for 64bits.
10126         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
10127         targets. Pick a default if no particular attempt applied.
10128         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
10129         larger contexts.
10130
10131 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10132
10133         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
10134         (x86_64-wrs-vxworks7): Likewise.
10135
10136 2017-06-27  Marek Polacek  <polacek@redhat.com>
10137
10138         PR sanitizer/81223
10139         * ubsan.c (instrument_null): Check get_base_address's result for null.
10140
10141 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
10142
10143         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
10144
10145 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
10146
10147         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
10148         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
10149         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
10150         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
10151         New function types.
10152         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
10153         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
10154         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
10155         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
10156         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
10157         BUILT_IN_FEUPDATEENV): New builtins.
10158         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
10159         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
10160         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
10161         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
10162         macros.
10163         (builtin_structptr_types): Adjust size.
10164         * tree.c (builtin_structptr_types): Add four entries.
10165
10166 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10167             Olivier Hainque  <hainque@adacore.com>
10168
10169         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
10170         (TLS_SYM): New local macro, forcing reference to __tls__ on
10171         link command lines for VxWorks 7 RTPs, triggering initialization
10172         of tlsLib.
10173         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
10174         OS features TLS support, true for RTPs on VxWorks 7.
10175         * config/vxworks.c (vxworks_override_options): Setup emutls
10176         accordingly.
10177
10178 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
10179
10180         * predict.c (test_prediction_value_range): Use -1U instead of -1
10181         to avoid narrowing conversion warning.
10182         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
10183         to avoid narrowing conversion warning.
10184         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
10185         -1.
10186         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
10187
10188 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
10189
10190         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
10191         64bit configurations.
10192         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
10193         (SIZE_TYPE): Likewise.
10194         * config/vxworks.c (vxworks_emutls_var_fields): Use
10195         long_unsigned_type_node instead of unsigned_type_node as the offset
10196         field type, which is "pointer" mode in emutls.c.
10197
10198 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
10199
10200         PR sanitizer/81209
10201         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
10202
10203         PR middle-end/81207
10204         * gimple-fold.c (replace_call_with_call_and_fold): Handle
10205         gimple_vuse copying separately from gimple_vdef copying.
10206
10207 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10208
10209         * value-prof.c (free_hist): Remove call to memset and the enclosing if
10210         condition.
10211
10212 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
10213             Olivier Hainque  <hainque@adacore.com>
10214
10215         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
10216         for all vxworks7 targets.
10217         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
10218         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
10219         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
10220         variations for VX6/VX7 and 32/64bits later on in ...
10221         (VXWORKS_LIB_SPEC): Leverage new macros.
10222         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
10223         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
10224
10225 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
10226
10227         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
10228         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
10229
10230 2017-06-26  Carl Love  <cel@us.ibm.com>
10231
10232         * config/rs6000/rs6000-c.c: Add support for built-in functions
10233         vector bool char vec_reve (vector bool char);
10234         vector signed char vec_reve (vector signed char);
10235         vector unsigned char vec_reve (vector unsigned char);
10236         vector bool int vec_reve (vector bool int);
10237         vector signed int vec_reve (vector signed int);
10238         vector unsigned int vec_reve (vector unsigned int);
10239         vector bool long long vec_reve (vector bool long long);
10240         vector signed long long vec_reve (vector signed long long);
10241         vector unsigned long long vec_reve (vector unsigned long long);
10242         vector bool short vec_reve (vector bool short);
10243         vector signed short vec_reve (vector signed short);
10244         vector double vec_reve (vector double);
10245         vector float vec_reve (vector float);
10246         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
10247         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
10248         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
10249         (altivec_vreve): New pattern.
10250         * config/rs6000/altivec.h (vec_reve): New define.
10251         * doc/extend.texi (vec_rev): Update the built-in documentation file
10252         for the new built-in functions.
10253
10254 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10255
10256         PR tree-optimization/71815
10257         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
10258         function.
10259         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
10260         has_single_use.
10261         (slsr_process_phi): Likewise.
10262         (replace_uncond_cands_and_profitable_phis): Don't replace a
10263         multiply candidate with a stride of 1 (copy or cast).
10264         (phi_incr_cost): Call uses_consumed_by_stmt rather than
10265         has_single_use.
10266         (lowest_cost_path): Likewise.
10267         (total_savings): Likewise.
10268
10269 2017-06-26  Richard Biener  <rguenther@suse.de>
10270
10271         PR target/81175
10272         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
10273         Use def_builtin_pure for all gather builtins.
10274
10275 2017-06-26  Richard Biener  <rguenther@suse.de>
10276
10277         PR tree-optimization/81203
10278         * tree-tailcall.c (find_tail_calls): Do not move stmts into
10279         non-dominating BBs.
10280
10281 2017-06-26  Marek Polacek  <polacek@redhat.com>
10282
10283         PR c/80116
10284         * doc/invoke.texi: Document -Wmultistatement-macros.
10285
10286 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
10287
10288         * doc/sourcebuild.texi (ARM-specific attributes): Document new
10289         arm_neon_ok_no_float_abi effective target.
10290
10291 2017-06-26  Richard Biener  <rguenther@suse.de>
10292
10293         PR tree-optimization/80928
10294         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
10295         (copy_bbs): Set BB_DUPLICATED flag early.
10296         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
10297         marked blocks.
10298         (execute_on_shrinking_pred): Likewise.
10299         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
10300         BB_DUPLICATED blocks.
10301         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
10302         iterate over all PHIs considering removal of *gsi.
10303
10304 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
10305
10306         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
10307         qdf24xx.
10308
10309 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10310
10311         * config/rs6000/rs6000-string.c: (expand_block_clear,
10312         do_load_for_compare, select_block_compare_mode,
10313         compute_current_alignment, expand_block_compare,
10314         expand_strncmp_align_check, expand_strn_compare,
10315         expand_block_move, rs6000_output_load_multiple)
10316         Move functions related to string/block move/compare
10317         to a separate file.
10318         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
10319         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
10320         for this function which is now used in two files.
10321         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
10322         * config.gcc: Add rs6000-string.o to extra_objs for
10323         targets powerpc*-*-* and rs6000*-*-*.
10324
10325 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
10326
10327         PR target/80510
10328         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
10329         32-bit, since indexed is not valid for DImode.
10330         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
10331         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
10332         (define_peephole2 for Altivec d-form load): Add 32-bit support.
10333         (define_peephole2 for Altivec d-form store): Likewise.
10334
10335         PR ipa/81185
10336         * multiple_target.c (create_dispatcher_calls): Only create the
10337         dispatcher call if the function is the default clone of a
10338         versioned function.
10339
10340 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
10341
10342         PR middle-end/80902
10343         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
10344         a call, force the call to not be a tail call.
10345
10346 2017-06-23  Jeff Law  <law@redhat.com>
10347
10348         * doc/contrib.texi: Add entry for Steven Pemberton's work on
10349         enquire.
10350
10351 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
10352
10353         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
10354         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
10355         handling for early expansion of vector shifts (sl,sr,sra,rl).
10356         (builtin_function_type): Add vector shift right instructions
10357         to the unsigned argument list.
10358
10359 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10360
10361         rtl-optimizatoin/79286
10362         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
10363         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
10364         trap.  PIC register plus a const unspec without offset can never trap.
10365
10366 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
10367
10368         * tree.h (builtin_structptr_type): New type.
10369         (builtin_structptr_types): Declare new array.
10370         * tree.c (builtin_structptr_types): New array.
10371         (free_lang_data, build_common_tree_nodes): Use it.
10372
10373 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
10374
10375         PR c++/81187
10376         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
10377         -Wnoexcept.
10378
10379 2017-06-22  Matt Turner  <mattst88@gmail.com>
10380
10381         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
10382         Lake models to skylake case.  Assume skylake for unknown
10383         models with clflushopt.
10384
10385 2017-06-22  Jeff Law  <law@redhat.com>
10386
10387         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
10388         frame sizes that do not satisfy aarch64_uimm12_shift.
10389
10390 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
10391
10392         * profile-count.h (apply_probability,
10393         apply_scale, probability_in): Fix checks for zero.
10394
10395 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10396
10397         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
10398         * doc/cppdiropts.texi (-I @var{dir}): Document it.
10399
10400 2016-06-22  Richard Biener  <rguenther@suse.de>
10401
10402         * tree-vect-loop.c (vect_model_reduction_cost): Handle
10403         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
10404         REDUC_MAX_EXPR support.
10405         (vectorizable_reduction): Likewise.
10406         (vect_create_epilog_for_reduction): Likewise.
10407
10408 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
10409
10410         * match.pd (A / (1 << B) -> A >> B): New.
10411         * generic-match-head.c: Include optabs-tree.h.
10412         * gimple-match-head.c: Likewise.
10413         * optabs-tree.h (target_supports_op_p): New.
10414         * optabs-tree.c (target_supports_op_p): New.
10415
10416 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10417
10418         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
10419         $gcc_cv_ld --help output.
10420         (gcc_cv_ld_demangle): Likewise.
10421         (gcc_cv_ld_eh_frame_hdr): Likewise.
10422         (gcc_cv_ld_pie): Likewise.
10423         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
10424         (gcc_cv_ld_buildid): Likewise.
10425         (gcc_cv_ld_sysroot): Likewise.
10426         (ld_bndplt_support): Likewise.
10427         (ld_pushpopstate_support): Likewise.
10428         * configure: Regenerate.
10429         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
10430
10431 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
10432
10433         PR target/81151
10434         * config/i386/sse.md (round<mode>2): Renumber match_dup and
10435         operands indexes to avoid gap between operands and match_dups.
10436
10437 2017-06-21  Andrew Pinski  <apinski@cavium.com>
10438
10439         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
10440         Increment Arith_shift and Arith_shift_reg by 1.
10441         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
10442         New tuning flag.
10443         * config/aarch64/aarch64.c (thunderx_tunings): Enable
10444         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
10445         (aarch64_strip_extend): Add new argument and test for it.
10446         (aarch64_cheap_mult_shift_p): New function.
10447         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
10448         add a cost if it is true.
10449         Update calls to aarch64_strip_extend.
10450         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
10451
10452 2017-06-21  Andrew Pinski  <apinski@cavium.com>
10453
10454         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
10455         tunings.
10456         (thunderxt88): Likewise.
10457         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
10458         (thunderx_prefetch_tune): New variable.
10459         (thunderx2t99_prefetch_tune): Update for the correct values.
10460         (thunderxt88_tunings): New variable.
10461         (thunderx_tunings): Use thunderx_prefetch_tune instead of
10462         generic_prefetch_tune.
10463         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
10464
10465 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10466
10467         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
10468         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
10469         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
10470         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
10471         (aarch64_atomic_cas<mode>, GPI): Likewise.
10472
10473 2017-06-21  Martin Liska  <mliska@suse.cz>
10474
10475         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
10476         statements on cold and hot labels.
10477         * predict.c (tree_estimate_probability_bb): Remove the
10478         prediction from this place.
10479
10480 2017-06-21  Martin Liska  <mliska@suse.cz>
10481
10482         PR tree-optimization/79489
10483         * gimplify.c (maybe_add_early_return_predict_stmt): New
10484         function.
10485         (gimplify_return_expr): Call the function.
10486         * predict.c (tree_estimate_probability_bb): Remove handling
10487         of early return.
10488         * predict.def: Update comment about early return predictor.
10489         * gimple-predict.h (is_gimple_predict): New function.
10490         * predict.def: Change default value of early return to 66.
10491         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
10492         statements.
10493         * passes.def: Put pass_strip_predict_hints to the beginning of
10494         IPA passes.
10495
10496 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
10497
10498         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
10499         FUNCTION_DECL declarations.
10500         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
10501         declarations.
10502         (dwaf2out_decl): Likewise.
10503         * godump.c (go_early_global_decl): Skip call to the real debug hook
10504         for FUNCTION_DECL declarations.
10505         * passes.c (rest_of_decl_compilation): Skip call to the
10506         early_global_decl debug hook for FUNCTION_DECL declarations, unless
10507         -fdump-go-spec is passed.
10508
10509 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
10510
10511         * config/i386/i386.c (struct builtin_isa): New field pure_p.
10512         Reorder for compactness.
10513         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
10514         (def_builtin_pure, def_builtin_pure2): New functions.
10515         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
10516
10517 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
10518
10519         * match.pd (nop_convert): New predicate.
10520         ((A +- CST1) +- CST2): Allow some NOP conversions.
10521
10522 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
10523
10524         PR c++/81130
10525         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
10526         with ctors/dtors if GOVD_SHARED is set.
10527
10528 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
10529
10530         * config/aarch64/aarch64.md (movti_aarch64):
10531         Emit mov rather than orr.
10532         (movtf_aarch64): Likewise.
10533         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
10534         Emit mov rather than orr.
10535
10536 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
10537
10538         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
10539         Swap alternatives, make integer dup more expensive.
10540
10541 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
10542
10543         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
10544         Return true for non-tls symbols.
10545
10546 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
10547
10548         * config/aarch64/aarch64-cores.def (cortex-a55): New.
10549         (cortex-a75): Likewise.
10550         (cortex-a75.cortex-a55): Likewise.
10551         * config/aarch64/aarch64-tune.md: Regenerate.
10552         * doc/invoke.texi (-mtune): Document new values for -mtune.
10553
10554 2017-06-21  Tom de Vries  <tom@codesourcery.com>
10555
10556         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
10557         stack_size feature.
10558         (Effective-Target Keywords, Other attributes): Suggest using
10559         dg-add-options stack_size feature to get stack limit in stack_size
10560         effective target documentation.
10561
10562 2017-06-21  Julian Brown  <julian@codesourcery.com>
10563             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10564
10565         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
10566         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
10567         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
10568         reservation.
10569         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
10570         attribute type list for neon_multiply.
10571         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
10572         attribute type list for neon_multiply.
10573         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
10574         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
10575         attribute type list for neon_multiply.
10576         * config/arm/types.md (crypto_pmull): Add.
10577         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
10578         attribute type list.
10579
10580 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
10581
10582         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
10583         arm1176jzf-s.
10584
10585 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
10586
10587         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
10588         to make sure not to dereference a NULL cost_classes_ptr pointer.
10589
10590 2017-06-20  Carl Love  <cel@us.ibm.com>
10591
10592         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10593         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
10594         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
10595         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
10596         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
10597         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
10598         VMULOSW): New enum "unspec" values.
10599         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
10600         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
10601         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
10602         altivec_vmulosw): New patterns.
10603         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
10604         VMULOSW): Add definitions.
10605
10606 2017-06-20  Julia Koval  <julia.koval@intel.com>
10607
10608         * config/i386/i386.c: Fix rounding expand for new pattern.
10609         * config/i386/subst.md: Fix pattern (parallel -> unspec).
10610
10611 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
10612
10613         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
10614         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
10615
10616 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
10617
10618         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
10619         feature string.
10620
10621 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
10622
10623         * config/aarch64/aarch64-cores.def: Rearrange to sort by
10624         architecture, then by implementer ID.
10625         * config/aarch64/aarch64-tune.md: Regenerate.
10626
10627 2017-06-20  Richard Biener  <rguenther@suse.de>
10628
10629         PR middle-end/81097
10630         * fold-const.c (split_tree): Fold to type before negating.
10631
10632 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
10633
10634         * diagnostic-show-locus.c
10635         (selftest::test_fixit_deletion_affecting_newline): New function.
10636         (selftest::diagnostic_show_locus_c_tests): Call it.
10637
10638 2017-06-20  Andreas Schwab  <schwab@suse.de>
10639
10640         PR target/80970
10641         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
10642         instead of "+d".
10643
10644 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
10645
10646         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
10647         __ARM_FEATURE_COPROC according to support.
10648
10649 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
10650
10651         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
10652         Rewritten to avoid overflow for > 32-bit pointers.
10653
10654         PR sanitizer/81125
10655         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
10656         by removing enum keyword.
10657         (ubsan_type_descriptor): Likewise.  Formatting fix.
10658
10659         PR target/81121
10660         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
10661         splitter): Require TARGET_SSE2 in the condition.
10662
10663 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
10664
10665         PR target/79799
10666         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
10667         for doing vector set of SFmode on ISA 3.0.
10668         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
10669         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
10670         element.
10671         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
10672         SFmode value into a V4SF variable that was extracted from another
10673         V4SF variable without converting the element to double precision
10674         and back to single precision vector format.
10675         (vsx_insert_extract_v4sf_p9_2): Likewise.
10676
10677 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
10678
10679         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
10680         in UWHI to avoid undefined overflow.
10681
10682         PR sanitizer/81125
10683         * ubsan.h (enum ubsan_encode_value_phase): New.
10684         (ubsan_encode_value): Change second argument to
10685         enum ubsan_encode_value_phase with default value of
10686         UBSAN_ENCODE_VALUE_GENERIC.
10687         * ubsan.c (ubsan_encode_value): Change second argument to
10688         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
10689         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
10690         create_tmp_var_raw instead of create_tmp_var and use a
10691         TARGET_EXPR.
10692         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
10693         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
10694         ubsan_encode_value callers.
10695
10696         PR sanitizer/81111
10697         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
10698         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
10699         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
10700
10701 2017-06-19  Richard Biener  <rguenther@suse.de>
10702
10703         PR middle-end/81118
10704         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
10705         estimates if we changed anything.
10706
10707 2017-06-19  Richard Biener  <rguenther@suse.de>
10708
10709         PR tree-optimization/80887
10710         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
10711         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
10712         simplified lookups, then reset mprts_hook.
10713         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
10714         simplifying.
10715         (try_to_simplify): Likewise.
10716
10717 2017-06-19  Martin Liska  <mliska@suse.cz>
10718
10719         PR sanitizer/80879
10720         * gimplify.c (gimplify_switch_expr):
10721         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
10722
10723 2017-06-19  Martin Liska  <mliska@suse.cz>
10724
10725         * doc/install.texi: Document that PGO runs in 4 stages.
10726
10727 2017-06-19  Martin Liska  <mliska@suse.cz>
10728
10729         PR ipa/80732
10730         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
10731         to dispatcher function name.
10732         * multiple_target.c (replace_function_decl): New function.
10733         (create_dispatcher_calls): Redirect both edges and references.
10734
10735 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
10736
10737         * profile-count.c (profile_count::dump): Dump quality.
10738         (profile_count::differs_from_p): Update for unsigned val.
10739         * profile-count.h (profile_count_quality): New enum.
10740         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
10741
10742 2017-06-19  Richard Biener  <rguenther@suse.de>
10743
10744         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
10745         struct function as arg.
10746         (estimate_numbers_of_iterations): Export overload with loop arg.
10747         (free_numbers_of_iterations_estimates_loop): Use an overload of
10748         free_numbers_of_iterations_estimates instead.
10749         * tree-cfg.c (remove_bb): Adjust.
10750         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
10751         * tree-parloops.c (gen_parallel_loop): Likewise.
10752         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
10753         Likewise.
10754         (tree_unroll_loops_completely): Likewise.
10755         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
10756         Use an overload instead and export.
10757         (estimated_loop_iterations): Adjust.
10758         (max_loop_iterations): Likewise.
10759         (likely_max_loop_iterations): Likewise.
10760         (estimate_numbers_of_iterations): Take struct function as arg
10761         and adjust.
10762         (loop_exits_before_overflow): Adjust.
10763         (free_numbers_of_iterations_estimates_loop): Use an overload.
10764         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
10765         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
10766
10767 2017-06-19  Richard Biener  <rguenther@suse.de>
10768
10769         PR ipa/81112
10770         * ipa-prop.c (find_constructor_constant_at_offset): Handle
10771         RANGE_EXPR conservatively.
10772
10773 2017-06-16  Carl Love  <cel@us.ibm.com>
10774
10775         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
10776         definitions for vec_float, vec_float2, vec_floato,
10777         vec_floate built-ins.
10778         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
10779         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
10780         floate.
10781         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
10782         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
10783         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
10784         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
10785         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
10786         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
10787         vec_floato): Add builtin defines.
10788         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
10789         Update the built-in documentation file for the new built-in
10790         functions.
10791
10792 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10793
10794         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
10795         (mthumb): Mark as the negative of -marm.
10796
10797 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10798
10799         * doc/invoke.texi (ARM Options, -mcpu): Document supported
10800         extension options.
10801         (ARM Options, -mtune): Document that this accepts the same
10802         extension options as -mcpu.
10803         (ARM Options, -mfpu): Document addition of -mfpu=auto.
10804
10805 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10806
10807         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
10808         permitted extensions.
10809
10810 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10811
10812         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
10813         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
10814         (armv8-m.main): Add option +nodsp.
10815         * config/arm/arm-cpu-cdata.h: Regenerated.
10816
10817 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10818
10819         * config/arm/t-fuchsia: New file.
10820         * config.gcc (arm*-*-fuchsia*): Use it.
10821
10822 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10823
10824         * config/arm/t-symbian: Rewrite for new option infrastructure.
10825
10826 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10827
10828         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
10829         (MULTILIB_REQUIRED): Likewise.
10830
10831 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10832
10833         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
10834         (MULTILIB_RESUE): Likewise.
10835         (MULTILIB_MATCHES): Likewise.
10836         (MULTLIB_REQUIRED): Likewise.
10837
10838 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10839
10840         * config/arm/t-rtems: Rewrite for new option framework.
10841
10842 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10843
10844         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
10845         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
10846         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
10847         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
10848         * config/arm/t-multilib: ... here.
10849         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
10850         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
10851         armv7-a and armv8*-a when A-profile libraries have not been built.
10852         * config/arm/t-rmprofile: Rewrite.
10853
10854 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10855
10856         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
10857         with a backslash.  Remove the backslash after substituting unescaped
10858         periods.
10859         * doc/fragments.texi (MULTILIB_REUSE): Document it.
10860
10861 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10862
10863         * config.gcc: (arm*-*-*): When building a-profile libraries, force
10864         the driver to pass through the default setting of -mfloat-abi.
10865         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
10866         rather than NULL.
10867         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
10868         (all_feat_combs): New rule.
10869         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
10870         default libraries.
10871         * config/arm/t-aprofile: Rewrite.
10872
10873 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10874
10875         * config/arm/arm.h (FPUTYPE_AUTO): Define.
10876         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
10877         fpu is not specified by the user/command-line.
10878         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
10879         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
10880         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
10881         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
10882         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
10883         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
10884
10885 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10886
10887         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
10888         * config/arm/t-arm-elf: Rewritten.
10889
10890 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10891
10892         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
10893         have some floating-point instructions.
10894         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
10895         (TARGET_MAYBE_HARD_FLOAT): New macro.
10896         * config/arm/arm-builtins.c (arm_init_builtins): Use
10897         TARGET_MAYBE_HARD_FLOAT.
10898         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
10899
10900 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10901
10902         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
10903         (configargs.h): Include it.
10904         (arm_print_hint_for_fpu_option): New function.
10905         (arm_parse_fpu_option): New function.
10906         (candidate_extension): New class.
10907         (arm_canon_for_multilib): New function.
10908         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
10909         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
10910         (ARCH_CANONICAL_SPECS): New macro.
10911         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
10912
10913 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10914
10915         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
10916         are set after handling multilib fragments.  Set target_cpu_default2
10917         from with_cpu.
10918
10919 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10920
10921         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
10922         cpu name.
10923         (arm*-*-*): Set target_cpu_default2 to a quoted string.
10924         * config/arm/parsecpu.awk (check_cpu): Validate any extension
10925         options.
10926         (check_arch): Likewise.
10927         * config/arm/arm.c (arm_configure_build_target): Handle
10928         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
10929         options in the default.
10930
10931 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10932
10933         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
10934         when an option is an alias of another.
10935         * config/arm/parsecpu.awk (optalias): New parser token.
10936         (gen_comm_data): Mark non-alias options as such.  Emit entries
10937         for extension aliases.
10938         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
10939         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
10940         (armv6kz, armv6zk, armv6t2): Likewise.
10941         (armv7): Make vfpv3-d16 an alias.
10942         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
10943         canonical order.
10944         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
10945         Sort in canonical order.
10946         (armv8-a): Sort in canonical order.
10947         (armv8.1-a, armv8.2-a):  Likewise.
10948         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
10949         canonical order.
10950         (cortex-a9): Sort in canonical order.
10951         * config/arm/arm.c (selftests.h): Include it.
10952         (arm_test_cpu_arch_data): New function.
10953         (arm_run_self_tests): New function.
10954         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
10955         (targetm): Move declaration to the end of the file.
10956         * arm-cpu-cdata.h: Regenerated.
10957
10958 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10959
10960         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
10961         call to target_mode_check describing the type of option passed.
10962         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
10963         (arm_target_thumb_only): Use arm_parse_arch_option_name or
10964         arm_parse_cpu_option_name to match parameters against list of
10965         available targets.
10966         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
10967         arm_arch_core_flags data structure.
10968         * config/arm/arm-cpu_cdata.h: Regenerated.
10969
10970 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10971
10972         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
10973         config/arm/arm.c.
10974         (arm_print_hint_for_cpu_option): Likewise.
10975         (arm_print_hint_for_arch_option): Likewise.
10976         (arm_parse_cpu_option_name): Likewise.
10977         (arm_parse_arch_option_name): Likewise.
10978         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
10979         of entries in the all_fpus list.
10980         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
10981         (arm_parse_cpu_option_name): Declare.
10982         (arm_parse_arch_option_name): Declare.
10983         (arm_parse_option_features): Declare.
10984         (arm_intialize_isa): Declare.
10985         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
10986         data tables to ...
10987         (gen_comm_data): ... here.  Make definitions non-static.
10988         * config/arm/arm-cpu-data.h: Regenerated.
10989         * config/arm/arm-cpu-cdata.h: Regenerated.
10990
10991 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
10992
10993         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
10994         (cpu_arch_extension): New structure.
10995         (cpu_arch_option, arch_option, cpu_option): New structures.
10996         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
10997         architecture types.
10998         (gen_data): Generate new format data tables.
10999         * config/arm/arm.c (cpu_tune): New structure.
11000         (cpu_option, processors): Delete.
11001         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
11002         (arm_print_hint_for_cpu_option): ... this and ...
11003         (arm_print_hint_for_arch_option): ... this.
11004         (arm_parse_arch_cpu_name): Delete.  Replace with ...
11005         (arm_parse_cpu_option_name): ... this and ...
11006         (arm_parse_arch_option_name): ... this.
11007         (arm_unrecognized_feature): Change type of target parameter to
11008         cpu_arch_option.
11009         (arm_parse_arch_cpu_features): Delete.  Replace with ...
11010         (arm_parse_option_features): ... this.
11011         (arm_configure_build_target): Rework to use new configuration data
11012         tables.
11013         (arm_print_tune_info): Rework for new configuration data tables.
11014         * config/arm/arm-cpu-data.h: Regenerated.
11015         * config/arm/arm-cpu.h: Regenerated.
11016
11017 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11018
11019         * Makefile.in (OBJS): Move sbitmap.o from here ...
11020         (OBJS-libcommon): ... to here.
11021
11022 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11023
11024         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
11025         (ISA_ALL_CRYPTO): New macro.
11026         (ISA_ALL_SIMD): New macro
11027         (ISA_ALL_FP): New macro.
11028         * config/arm/arm.c (fpu_bitlist): Update initializer.
11029         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
11030         simd or fp.
11031         (arm9e): Add fpu.  Add option for nofp
11032         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
11033         (arm926ej-s, arm1026ej-s): Likewise.
11034         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
11035         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
11036         neon-fp16, neon-vfpv4, nofp and nosimd.
11037         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
11038         (cortex-a8): Add fpu.  Add option for nofp.
11039         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
11040         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
11041         (cortex-r4f): Add fpu.
11042         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
11043         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
11044         for nofp.
11045         (cortex-r8): Likewise.
11046         (cortex-m4): Add fpu.  Add option for nofp.
11047         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
11048         (cortex-a17.cortex-a7): Likewise.
11049         (cortex-a32): Add fpu.  Add options for crypto and nofp.
11050         (cortex-a35, cortex-a53): Likewise.
11051         (cortex-a57): Add fpu.  Add option for crypto.
11052         (cortex-a72, cortex-a73): Likewise.
11053         (exynos-m1): Likewise.
11054         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
11055         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
11056         (cortex-m33): Add fpu.  Add option for nofp.
11057         * config/arm/arm-cpu-cdata.h: Regenerated
11058         * config/arm/arm-cpu-data.h: Regenerated.
11059
11060 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11061
11062         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
11063         (armv5te, armv5tej): Likewise.
11064         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
11065         (armv7): Add options fp and vfpv3-d16.
11066         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
11067         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
11068         nofp and nosimd.
11069         (armv7ve): Likewise.
11070         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
11071         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
11072         (armv8-a): Add nocrypto option.
11073         (armv8.1-a, armv8.2-a): Likewise.
11074         (armv8-m.main): add options fp, fp.dp and nofp.
11075
11076 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11077
11078         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
11079         nofp.
11080         (armv8-a+crc): Delete.
11081         (armv8.1-a): Add options simd, crypto and nofp.
11082         (armv8.2-a): Add options fp16, simd, crypto and nofp.
11083         (armv8.2-a+fp16): Delete.
11084         (armv8-m.main): Add option dsp.
11085         (armv8-m.main+dsp): Delete.
11086         (cortex-a8): Add fpu.  Add nofp option.
11087         (cortex-a9): Add fpu.  Add nofp and nosimd options.
11088         * config/arm/parsecpu.awk (gen_data): Generate option tables and
11089         link to main cpu and architecture data structures.
11090         (gen_comm_data): Only put isa attributes from the main architecture
11091         in common tables.
11092         (option): New statement for architecture and CPU entries.
11093         * arm.c (struct cpu_option): New structure.
11094         (struct processors): Add entry for options.
11095         (arm_unrecognized_feature): New function.
11096         (arm_parse_arch_cpu_name): Ignore any characters after the first
11097         '+' character.
11098         (arm_parse_arch_cpu_feature): New function.
11099         (arm_configure_build_target): Separate out any CPU and architecture
11100         features and parse separately.  Don't error out if -mfpu=auto is
11101         used with only an architecture string.
11102         (arm_print_asm_arch_directives): New function.
11103         (arm_file_start): Call it.
11104         * config/arm/arm-cpu-cdata.h: Regenerated.
11105         * config/arm/arm-cpu-data.h: Likewise.
11106         * config/arm/arm-tables.opt: Likewise.
11107
11108 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11109
11110         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
11111         assembler when it is not -mfpu=auto.
11112
11113 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11114
11115         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
11116         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
11117         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
11118         (ASM_CPU_SPEC): Rewrite.
11119         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
11120         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
11121         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
11122         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
11123         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
11124         copied string is NUL-terminated.  Also strip any characters prefixed
11125         by '+'.
11126         (arm_rewrite_selected_arch): New function.
11127         (arm_rewrite_march): New function.
11128
11129 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11130
11131         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
11132         (x_arm_cpu_string, x_arm_tune_string): Likewise.
11133         (march, mcpu, mtune): Convert to string-based options.
11134         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
11135         (arm_parse_arch_cpu_name): New function.
11136         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
11137         identify selected architecture or CPU.
11138         (arm_option_save): New function.
11139         (TARGET_OPTION_SAVE): Redefine.
11140         (arm_option_restore): Restore string options.
11141         (arm_option_print): Print string options.
11142
11143 2017-06-16  Martin Sebor  <msebor@redhat.com>
11144
11145         PR tree-optimization/80933
11146         PR tree-optimization/80934
11147         * builtins.c (fold_builtin_3): Do not handle bcmp here.
11148         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
11149         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
11150         (gimple_fold_builtin): Call them.
11151
11152 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11153
11154         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
11155         as unlikely; update profile.
11156
11157 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11158
11159         * predict.c (force_edge_cold): Handle declaring edges impossible
11160         more aggresively.
11161
11162 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11163
11164         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
11165         profile.
11166         (try_unroll_loop_completely): Fix reporting.
11167
11168 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11169
11170         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
11171
11172 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
11173
11174         PR target/71778
11175         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
11176         if given a non-constant argument for an intrinsic which requires a
11177         constant.
11178
11179 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11180
11181         * profile.c (compare_freqs): New function.
11182         (branch_prob): Sort edge list.
11183         (find_spanning_tree): Assume that the list is priority sorted.
11184
11185 2017-06-16  Richard Biener  <rguenther@suse.de>
11186
11187         PR tree-optimization/81090
11188         * passes.def (pass_record_bounds): Remove.
11189         * tree-pass.h (make_pass_record_bounds): Likewise.
11190         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
11191         make_pass_record_bounds): Likewise.
11192         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
11193         not free niter estimates at the beginning but at the end.
11194         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
11195
11196 2017-06-16  Richard Biener  <rguenther@suse.de>
11197
11198         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
11199         initializer to workaround ICE in host GCC 4.8.
11200
11201 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
11202
11203         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
11204         counts.
11205         (clone_inlined_nodes): Update.
11206
11207 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11208
11209         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
11210         prefetch settings, and enable prefetching by default at -O3.
11211
11212 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11213
11214         * config/aarch64/aarch64.c (aarch64_override_options_internal):
11215         Set flag_prefetch_loop_arrays according to tuning data.
11216
11217 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
11218
11219         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
11220         New tune structure.
11221         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
11222         [Unrelated to main purpose of the patch] Place the pointer field last
11223         to enable type checking errors when tune structure are wrongly merged.
11224         * config/aarch64/aarch64.c (generic_prefetch_tune,)
11225         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
11226         (thunderx2t99_prefetch_tune): New tune constants.
11227         (tune_params *_tunings): Update all tunings (no functional change).
11228         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
11229         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
11230         from tunings structures.
11231
11232 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
11233
11234         PR sanitizer/81094
11235         * ubsan.c (instrument_null): Add T argument, use it instead
11236         of computing it based on IS_LHS.
11237         (instrument_object_size): Likewise.
11238         (pass_ubsan::execute): Adjust instrument_null and
11239         instrument_object_size callers to pass gimple_get_lhs or
11240         gimple_assign_rhs1 result to it.  Use instrument_null instead of
11241         calling get_base_address and instrument_mem_ref.  Handle
11242         aggregate call arguments for object-size sanitization.
11243
11244 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
11245
11246         PR tree-optimization/81089
11247         * tree-vrp.c (is_masked_range_test): Validate operands of
11248         subexpression.
11249
11250 2017-06-15  Martin Sebor  <msebor@redhat.com>
11251
11252         PR c++/80560
11253         * dumpfile.c (dump_register): Avoid calling memset to initialize
11254         a class with a default ctor.
11255         * gcc.c (struct compiler): Remove const qualification.
11256         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
11257         * hash-table.h: Ditto.
11258         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
11259           assignment.
11260         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
11261         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
11262         default ctor.
11263         * params.h (struct param_info): Make struct members non-const.
11264         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
11265         with default initialization.
11266         * vec.h (vec_copy_construct, vec_default_construct): New helper
11267         functions.
11268         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
11269         with vec_copy_construct.
11270         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
11271         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
11272         * doc/invoke.texi (-Wclass-memaccess): Document.
11273
11274 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11275
11276         * emit-rtl.h (is_leaf): Update comment about local
11277         register allocator.
11278
11279 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
11280
11281         PR target/78818
11282         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
11283         for a variable to have a section before checking if the section has a
11284         name.
11285         Set section to.persistent if persistent attribute is set.
11286         Warn if .persistent attribute is used on an automatic variable.
11287
11288 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
11289
11290         PR rtl-optimization/80474
11291         * reorg.c (update_block): Do not ignore instructions in a delay slot.
11292
11293 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
11294
11295         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
11296         of REGNO.
11297
11298 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
11299
11300         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
11301         (casesi): Emit bounds checking as RTL.
11302         (casesi_internal_mips16_<mode>): Remove bounds checking.
11303
11304 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
11305
11306         * config/xtensa/xtensa.c (xtensa_option_override): Append
11307         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
11308         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
11309          xtensa_doloop_hooks): Define unconditionally.
11310         (xtensa_reorg_loops): Only call reorg_loops in the presence of
11311         TARGET_LOOPS.
11312         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
11313         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
11314         for it in xtensa_option_override.
11315         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
11316          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
11317
11318 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
11319
11320         * doc/cppopts.texi: Document '-' special value to -MF.
11321
11322 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
11323
11324         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
11325         (cortex_a53_fconst): Likewise.
11326         (cortex_a53_fpmul): Likewise.
11327         (cortex_a53_f_load_64): Likewise.
11328         (cortex_a53_f_load_many): Likewise.
11329         (cortex_a53_advsimd_alu): Likewise.
11330         (cortex_a53_advsimd_alu_q): Likewise.
11331         (cortex_a53_advsimd_mul): Likewise.
11332         (cortex_a53_advsimd_mul_q): Likewise.
11333         (fpmac bypass): Add new bypass for fpmac-fpmac case.
11334         Add missing fmul, r2f_cvt and fconst cases.
11335
11336 2017-06-14  Richard Biener  <rguenther@suse.de>
11337
11338         PR middle-end/81088
11339         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
11340         literal constants.
11341         (fold_binary_loc): When associating do not treat pre-existing
11342         TREE_OVERFLOW on literal constants as a reason to allow
11343         TREE_OVERFLOW on associated literal constants.
11344
11345 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11346
11347         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
11348         (MASK_FEATURES): New macro.
11349         * config/sparc/sparc.c (sparc_option_override): Remove the special
11350         handling of -mfpu and generalize it to all MASK_FEATURES switches.
11351
11352 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11353
11354         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
11355         a division of 0 if non-call exceptions are enabled.
11356
11357 2017-06-14  Andrew Pinski  <apinski@cavium.com>
11358             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11359
11360         PR target/71663
11361         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
11362         Improve vector initialization code gen for only variable case.
11363
11364 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
11365
11366         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
11367
11368 2017-06-14  Richard Biener  <rguenther@suse.de>
11369
11370         PR tree-optimization/81083
11371         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
11372         as values.
11373
11374 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11375
11376         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
11377         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
11378         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
11379         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
11380         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
11381         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
11382
11383 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11384
11385         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
11386         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
11387
11388 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11389
11390         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
11391
11392 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11393
11394         * config/rs6000/t-rtems: Don't handle SPE.
11395
11396 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11397
11398         * config/rs6000/t-linux: Don't handle SPE.
11399
11400 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11401
11402         * config/rs6000/eabispe.h: Delete file.
11403
11404 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11405
11406         * config/rs6000/t-spe: Delete file.
11407
11408 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11409
11410         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
11411         (rs6000_legitimate_offset_address_p): Return false for anything in
11412         V2SImode or V2SFmode.
11413
11414 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
11415
11416         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
11417         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
11418         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
11419         and V4HImode.
11420         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
11421         (rs6000_legitimate_offset_address_p): Ditto.
11422         (rs6000_emit_move): Ditto.
11423         (rs6000_init_builtins): Remove V4HI_type_node.
11424
11425 2017-06-13  Martin Liska  <mliska@suse.cz>
11426
11427         PR sanitize/78204
11428         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
11429         (gate_asan): Likewise.
11430         * asan.h (asan_no_sanitize_address_p): Remove the function.
11431         (sanitize_flags_p): New function.
11432         * builtins.def: Fix coding style.
11433         * common.opt: Use renamed enum value.
11434         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
11435         * doc/extend.texi: Document no_sanitize attribute.
11436         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
11437         to SANITIZE_UNDEFINED_NONDEFAULT.
11438         * gcc.c (sanitize_spec_function): Use the renamed enum value.
11439         * gimple-fold.c (optimize_atomic_compare_exchange_p):
11440         Use sanitize_flags_p.
11441         * gimplify.c (gimplify_function_tree): Likewise.
11442         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
11443         * opts.c (parse_no_sanitize_attribute): New function.
11444         (common_handle_option): Use renamed enum value.
11445         * opts.h (parse_no_sanitize_attribute): Declare.
11446         * tree.c (sanitize_flags_p): New function.
11447         * tree.h: Declared here.
11448         * tsan.c: Use sanitize_flags_p.
11449         * ubsan.c (ubsan_expand_null_ifn): Likewise.
11450         (instrument_mem_ref): Likewise.
11451         (instrument_bool_enum_load): Likewise.
11452         (do_ubsan_in_current_function): Remove the function.
11453         (pass_ubsan::execute): Use sanitize_flags_p.
11454         * ubsan.h: Remove do_ubsan_in_current_function
11455         * tree-cfg.c (print_no_sanitize_attr_value): New function.
11456         (dump_function_to_file): Use it here.
11457
11458 2017-06-13  Martin Jambor  <mjambor@suse.cz>
11459
11460         PR tree-optimization/80803
11461         PR tree-optimization/81063
11462         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
11463         (propagate_subaccesses_across_link): Enqueue subtree whenever
11464         necessary instead of relying on the caller.
11465
11466 2017-06-13  Martin Jambor  <mjambor@suse.cz>
11467
11468         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
11469         that have a first_link.
11470         (sort_and_splice_var_accesses): Do not check first_link before
11471         enquing.
11472         (subtree_mark_written_and_enqueue): Likewise.
11473         (propagate_all_subaccesses): Likewise and do not stop at first
11474         parent with a first_link.
11475
11476 2017-06-13  Martin Jambor  <mjambor@suse.cz>
11477
11478         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
11479         instead of f.
11480
11481 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
11482
11483         * match.pd: New pattern.
11484
11485 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
11486
11487         * tree-vrp.c (is_masked_range_test): New function.
11488         (register_edge_assert_for): Determine ranges for
11489         some bit tests.
11490
11491 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
11492
11493         PR tree-optimization/67328
11494         * fold-const.c (maskable_range_p): New function.
11495         (build_range_check): Generate bittests if possible.
11496
11497 2017-06-13  Martin Liska  <mliska@suse.cz>
11498
11499         * gimple-pretty-print.c (dump_probability): Add new argument.
11500         (dump_edge_probability): Dump both probability and count.
11501         (dump_gimple_label): Likewise.
11502         (dump_gimple_bb_header): Likewise.
11503
11504 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
11505
11506         PR target/81072
11507         * config/avr/avr-devices.c: Fix indentation.
11508         * config/avr/gen-avr-mmcu-specs.c: Dito.
11509
11510 2017-06-13  Richard Biener  <rguenther@suse.de>
11511
11512         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
11513         instead get vector type from stmt_info.
11514         (vectorizable_reduction): Adjust.  Remove dead code.
11515
11516 2017-06-13  Richard Biener  <rguenther@suse.de>
11517
11518         PR middle-end/81065
11519         * fold-const.c (extract_muldiv_1): Remove bogus distribution
11520         case of C * (x * C2 + C3).
11521         (fold_addr_of_array_ref_difference): Properly fold index difference.
11522
11523 2017-06-12  David S. Miller  <davem@davemloft.net>
11524
11525         PR target/80968
11526         * config/sparc/sparc.md (return expander): Emit frame blockage if
11527         function uses alloca.
11528
11529 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
11530
11531         * combine.c (make_field_assignment): Check len rather than the mode
11532         precision when calling force_to_mode.
11533
11534 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
11535
11536         Support multilibs and devices that see flash in RAM address range.
11537
11538         PR target/81072
11539         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
11540         (avr_mcu_t) <flash_pm_offset>: New field.
11541         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
11542         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
11543         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
11544         (AVR_TINY_PM_OFFSET): Remove macro.
11545         * config/avr/avr.opt (-mshort-calls): New option.
11546         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
11547         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
11548         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
11549         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
11550         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
11551         instead of avr_arch->have_jmp_call.
11552         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
11553         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
11554         avr_arch->flash_pm_offset to define.
11555         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
11556         new field flash_pm_offset.  Add entry for avrxmega3.
11557         (avr_texinfo): Add entry for avrxmega3.
11558         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
11559         attiny212, attiny214,
11560         attiny412, attiny414, attiny416, attiny417,
11561         attiny814, attiny816, attiny817,
11562         attiny1614, attiny1616, attiny1617,
11563         attiny3214, attiny3216, attiny3217.
11564         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
11565         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
11566         (avr_print_operand_address) [AVR_TINY]: Same.
11567         (avr_asm_init_sections) <readonly_data_section>: Only patch
11568         callback if avr_arch->flash_pm_offset = 0.
11569         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
11570         for rodata if avr_arch->flash_pm_offset != 0.
11571         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
11572         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
11573         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
11574         (m_options): Append opt_rcall.
11575         (m_dirnames): Append dir_rcall.
11576         * config/avr/t-multilib: Regenerate.
11577
11578         * configure.ac [target=avr]: Check whether avrxmega3 default
11579         linker description file works as needed.
11580         * configure: Regenerate.
11581         * doc/avr-mmcu.texi: Regenerate.
11582         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
11583         <__AVR_ARCH__>: Document avrxmega3 and 103.
11584         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
11585         <__AVR_SHORT_CALLS__>: Document it.
11586         <__AVR_PM_BASE_ADDRESS__>: Document it.
11587         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
11588         (AVR Variable Attributes) <progmem>: Document this is
11589         not needed for avrxmega3.
11590         (AVR Named Address Spaces) <__flash>: Dito.
11591
11592 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
11593
11594         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
11595
11596 2017-06-12  Doug Rupp  <rupp@adacore.com>
11597
11598         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
11599         Append vxworks-stdint.h to the tm_file list.
11600         * config/vxworks-stdint.h: New file.
11601
11602 2017-06-12  Martin Liska  <mliska@suse.cz>
11603
11604         PR tree-optimization/81041
11605         * tree-profile.c (gimple_gen_ic_func_profiler):
11606         Create an extra BB in profile-generate
11607         (gimple_gen_time_profiler): Likewise.
11608
11609 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
11610
11611         PR tree-optimization/81003
11612         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
11613         (update_range_test): Use it instead of force_gimple_operand_gsi.
11614
11615 2017-06-12  Richard Biener  <rguenther@suse.de>
11616
11617         PR tree-optimization/81053
11618         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
11619         with backedge value not defined in loop.  Simplify def stmt
11620         compute.
11621
11622 2017-06-11  Tom de Vries  <tom@codesourcery.com>
11623
11624         PR target/79939
11625         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
11626         Return true.
11627         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
11628         nvptx_cannot_force_const_mem.
11629
11630 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11631
11632         * opts.c (finish_options): Move test for flag_split_stack after
11633         it has been initialized.
11634
11635 2017-06-11  Jason Merrill  <jason@redhat.com>
11636
11637         * tree.h (id_equal): New.
11638         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
11639         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
11640         instead of strcmp of IDENTIFIER_POINTER.
11641
11642 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11643
11644         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
11645         (mark_all_inlined_calls_cdtor): Fix formating.
11646         (inline_transform): Rescale profile before inlining.
11647
11648 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11649
11650         * cgraph.h (cgraph_edge::clone): Update prototype.
11651         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
11652         (cgraph_node::create_clone): Update.
11653         (cgraph_node::create_version_clone): Update.
11654         * tree-inline.c (copy_bb): Update.
11655         (expand_call_inline): Update.
11656
11657 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
11658
11659         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
11660         factored out from ...
11661         (rs6000_emit_prologue): ... here.
11662
11663 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
11664
11665         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
11666         factored out from ...
11667         (rs6000_emit_prologue): ... here.
11668
11669 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11670
11671         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
11672         edge counts.
11673         (handle_missing_profiles): Fix computation of tp_first_run.
11674         (counts_to_freqs): Do not touch freqs when count is 0.
11675
11676 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
11677
11678         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
11679         profile.
11680
11681 2017-06-10  Tom de Vries  <tom@codesourcery.com>
11682
11683         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
11684         attributes): Document signal effective target.
11685
11686 2017-06-10  Tom de Vries  <tom@codesourcery.com>
11687
11688         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
11689         Document effective target stack_size.
11690
11691 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
11692
11693         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
11694         to the edit_context if they can be auto-applied.
11695
11696 2017-06-9  Ian Lance Taylor  <iant@golang.org>
11697
11698         * opts.c (finish_options): If -fsplit-stack, disable implicit
11699         -forder-blocks-and-partition.
11700         * doc/invoke.texi (Optimize Options): Document that when using
11701         -fsplit-stack -forder-blocks-and-partition is not implicitly
11702         enabled.
11703
11704 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11705
11706         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
11707         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
11708         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
11709         * builtins.def (abort, trap, unreachable): Declare cold.
11710         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
11711         * tree-core.h (ECF_COLD): New.
11712         * tree.c (set_call_expr_flags): Handle ECF_COLD.
11713         (build_common_builtin_nodes): Mark unreachable and abort as cold.
11714
11715 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11716
11717         * predict.c (unlikely_executed_stmt_p): Cleanup.
11718
11719 2017-06-09  Richard Biener  <rguenther@suse.de>
11720
11721         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
11722         model if the ref is always written to.
11723
11724 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
11725
11726         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
11727
11728 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
11729
11730         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
11731         than udiv.
11732
11733 2017-06-09  Tom de Vries  <tom@codesourcery.com>
11734
11735         PR target/80855
11736         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
11737         "target cannot support label values" when encountering LABEL_REF.
11738
11739 2017-06-09  Martin Liska  <mliska@suse.cz>
11740
11741         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
11742         (gimple_gen_ic_func_profiler): Emit direct comparison
11743         of __gcov_indirect_call_callee with NULL.
11744         (gimple_gen_time_profiler): Change probability from
11745         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
11746
11747 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11748
11749         * profile.c (edge_gcov_counts): Turn to pointer.
11750         (compute_branch_probabilities, compute_branch_probabilities): Update.
11751         (branch_prob): Do not clear edge_gcov_count.
11752         * profile.h (edge_gcov_counts): Turn to pointer.
11753         (edge_gcov_count): Update.
11754
11755 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
11756
11757         * gimple.h (gimple_check_failed): Mark cold.
11758
11759 2017-06-09  Richard Biener  <rguenther@suse.de>
11760
11761         PR tree-optimization/66623
11762         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
11763         refactor check_reduction into two parts, properly computing
11764         whether we have to check reduction validity for outer loop
11765         vectorization.
11766
11767 2017-06-09  Richard Biener  <rguenther@suse.de>
11768
11769         PR tree-optimization/79483
11770         * graphite-scop-detection.c (order): New global.
11771         (get_order): Compute bb to order mapping that satisfies code
11772         generation constraints.
11773         (cmp_pbbs): New helper.
11774         (build_scops): Start domwalk at entry block, sort generated
11775         pbbs.
11776
11777 2017-06-09  Richard Biener  <rguenther@suse.de>
11778
11779         PR middle-end/81007
11780         * ipa-polymorphic-call.c
11781         (ipa_polymorphic_call_context::restrict_to_inner_class):
11782         Skip FIELD_DECLs with error_mark_node type.
11783         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
11784         last again.
11785
11786 2017-06-09  Martin Liska  <mliska@suse.cz>
11787
11788         * predict.c (struct branch_predictor): New struct.
11789         (test_prediction_value_range): New test.
11790         (predict_c_tests): New function.
11791         * selftest-run-tests.c (selftest::run_tests): Run the function.
11792         * selftest.h: Declare new tests.
11793
11794 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
11795
11796         PR target/80966
11797         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
11798         gen_add3_insn did not fail.
11799         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
11800         r0, construct that number in a temporary reg and add that reg to r0.
11801         If asked to put the result in r0 as well, fail.
11802
11803 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
11804
11805         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
11806         for early expansion of vec_eqv.
11807
11808 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
11809
11810         PR middle-end/81005
11811         * ubsan.c (instrument_null): Avoid pointless code temporary.
11812         (pass_ubsan::execute): Instrument aggregate arguments of calls.
11813
11814 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
11815
11816         PR target/81015
11817         Revert:
11818         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
11819
11820         PR target/59874
11821         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
11822         (*clzhi2): Ditto.
11823
11824 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11825
11826         * predict.c (unlikely_executed_edge_p): Move ahead.
11827         (probably_never_executed_edge_p): Use it.
11828
11829 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
11830
11831         PR middle-end/79988
11832         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
11833         gimple_call_builtin_p call.
11834
11835 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11836
11837         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
11838         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
11839         rtl_check_failed_type2, rtl_check_failed_code1,
11840         rtl_check_failed_code2, rtl_check_failed_code_mode,
11841         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
11842         rtvec_check_failed_bounds, rtl_check_failed_flag,
11843         _fatal_insn_not_found, _fatal_insn): Likewise.
11844         * tree.h (tree_contains_struct_check_failed,
11845         tree_check_failed, tree_not_check_failed,
11846         tree_class_check_failed, tree_range_check_failed,
11847         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
11848         tree_vec_elt_check_failed, phi_node_elt_check_failed,
11849         tree_operand_check_failed, omp_clause_check_failed,
11850         omp_clause_operand_check_failed, omp_clause_range_check_failed):
11851         Likewise.
11852
11853 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11854
11855         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
11856         flag_branch_probabilities.
11857         * ipa-inline.c (edge_badness): Likewise.
11858         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
11859         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
11860         * predict.c (maybe_hot_frequency_p): Likewise.
11861         (probably_never_executed): Likewise.
11862         * sched-ebb.c (schedule_ebbs): Likewise.
11863         * sched-rgn.c (find_single_block_region): Likewise.
11864         * tracer.c (tail_duplicate): Likewise.
11865
11866 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11867
11868         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
11869         longer requires x_flag_profile_use.
11870
11871 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11872
11873         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
11874         instead of flag_reorder_blocks_and_partition.
11875         * dbxout.c (dbxout_function_end): Likewise.
11876         * dwarf2out.c (gen_subprogram_die): Likewise.
11877         * haifa-sched.c (sched_create_recovery_edges): Likewise.
11878         * hw-doloop.c (reorg_loops): Likewise.
11879         * varasm.c (assemble_start_function,
11880         assemble_end_function): Likewise.
11881         (decide_function_section): Do not check for
11882         flag_reorder_blocks_and_partition.
11883
11884 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
11885
11886         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
11887         New function.
11888         (chkp_get_hard_register_fake_addr_expr): Ditto.
11889         (chkp_build_addr_expr): Add check for hard reg case.
11890         (chkp_parse_array_and_component_ref): Ditto.
11891         (chkp_find_bounds_1): Ditto.
11892         (chkp_process_stmt): Don't generate bounds store for
11893         hard reg case.
11894
11895 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11896
11897         * predict.c (maybe_hot_bb_p): Do not check profile status.
11898         (maybe_hot_edge_p): Likewise.
11899         (probably_never_executed): Check for zero counts even if profile
11900         is not read.
11901         (unlikely_executed_edge_p): New function.
11902         (unlikely_executed_stmt_p): New function.
11903         (unlikely_executed_bb_p): New function.
11904         (set_even_probabilities): Use unlikely predicates.
11905         (combine_predictions_for_bb): Likewise.
11906         (predict_paths_for_bb): Likewise.
11907         (predict_paths_leading_to_edge): Likewise.
11908         (determine_unlikely_bbs): New function.
11909         (estimate_bb_frequencies): Use it.
11910         (compute_function_frequency): Use zero counts even if profile is
11911         not read.
11912         * profile-count.h: Fix typo.
11913
11914 2017-08-08  Julia Koval  <julia.koval@intel.com>
11915
11916         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
11917         _mm512_mask_cvtsepi16_storeu_epi8,
11918         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
11919         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
11920         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
11921         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
11922         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
11923         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
11924         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
11925         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
11926         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
11927         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
11928         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
11929         __builtin_ia32_pmovuswb256mem_mask,
11930         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
11931         __builtin_ia32_pmovwb512mem_mask): New builtins.
11932
11933 2017-08-08  Julia Koval  <julia.koval@intel.com>
11934
11935         PR target/73350,80862
11936         * config/i386/subst.md (round): Fix round pattern.
11937         * config/i386/i386.c (ix86_erase_embedded_rounding):
11938         Fix erasing rounding for the fixed pattern.
11939
11940 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
11941
11942         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
11943
11944 2017-06-08  Martin Liska  <mliska@suse.cz>
11945
11946         PR gcov-profile/80911
11947         * gcov.c (block_info::block_info): New constructor.
11948
11949 2017-06-07  Carl Love  <cel@us.ibm.com>
11950
11951         * config/rs6000/rs6000-c: The return type of the following
11952         built-in functions was implemented as int not long long.  Fix sign
11953         of return value for the unsigned version of vec_mulo and vec_mule.
11954         vector unsigned long long vec_bperm (vector unsigned long long,
11955                                              vector unsigned char)
11956         vector signed long long vec_mule (vector signed int,
11957                                           vector signed int)
11958         vector unsigned long long vec_mule (vector unsigned int,
11959                                             vector unsigned int)
11960         vector signed long long vec_mulo (vector signed int,
11961                                           vector signed int)
11962         vector unsigned long long vec_mulo (vector unsigned int,
11963                                             vector unsigned int)
11964         * doc/extend.texi: Fix the documentation for the built-in
11965         functions.
11966
11967 2017-06-07  Carl Love  <cel@us.ibm.com>
11968
11969         PR target/80982
11970         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
11971         for BE.
11972
11973 2017-06-07  Carl Love  <cel@us.ibm.com>
11974
11975         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
11976         support, Generate       doublehv for signed int/float for BE case only.
11977
11978 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
11979
11980         * doc/invoke.texi (mcx16): Rewrite.
11981
11982 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11983
11984         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
11985         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
11986         *mov<mode>_softfloat, and an anonymous splitter): Use
11987         nonimmediate_operand instead of rs6000_nonimmediate_operand.
11988
11989 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
11990
11991         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
11992         SPEFSCR registers.
11993         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
11994         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
11995         (rs6000_debug_reg_global): Adjust.
11996         (rs6000_init_hard_regno_mode_ok): Adjust.
11997         (rs6000_dbx_register_number): Adjust.
11998         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
11999         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12000         Remove SPE_ACC and SPEFSCR.
12001         (REG_ALLOC_ORDER): Ditto.
12002         (FRAME_POINTER_REGNUM): Change to 111.
12003         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
12004         (REG_CLASS_NAMES): Ditto.
12005         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
12006         (REGISTER_NAMES): Ditto.
12007         (ADDITIONAL_REG_NAMES): Ditto.
12008         (rs6000_reg_names): Ditto.
12009         * config/rs6000/rs6000.md: Renumber some register number
12010         define_constants.
12011
12012 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12013
12014         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
12015         registers.
12016         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
12017         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
12018         to 117.
12019         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
12020         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
12021         Delete the SPE high registers.
12022         (REG_ALLOC_ORDER): Ditto.
12023         (enum reg_class): Remove SPE_HIGH_REGS.
12024         (REG_CLASS_NAMES): Ditto.
12025         (REG_CLASS_CONTENTS): Delete the SPE high registers.
12026         (REGISTER_NAMES): Ditto.
12027         (rs6000_reg_names): Ditto.
12028         * doc/tm.texi.in: Remove SPE as example.
12029         * doc/tm.texi: Regenerate.
12030
12031 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12032
12033         * config/rs6000/8540.md (ppc8540_brinc): Delete.
12034         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
12035         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
12036         * config/rs6000/rs6000.md (type): Remove "brinc".
12037
12038 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12039
12040         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
12041         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
12042         * config/rs6000/linuxspe.h: Delete file.
12043         * config/rs6000/rs6000.md: Don't include spe.md.
12044         * config/rs6000/spe.h: Delete file.
12045         * config/rs6000/spe.md: Delete file.
12046         * config/rs6000/t-rs6000: Remove spe.md.
12047
12048 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12049
12050         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
12051         (reg_or_none500mem_operand): Delete.
12052         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
12053         instead of reg_or_none500mem_operand.
12054
12055 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12056
12057         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
12058         handling of SPE flags.
12059         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
12060
12061 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12062
12063         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
12064         SPE ABI handling.
12065         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
12066         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
12067         paired_divv2sf3): Similar.
12068         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
12069         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
12070         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
12071         RS6000_BUILTIN_S.
12072         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
12073         Rename the paired_* instruction patterns.
12074         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
12075         define __SPE__.
12076         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
12077         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
12078         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
12079         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
12080         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
12081         PAIRED_VECTOR_MODE.
12082         (struct machine_function): Delete field spe_insn_chain_scanned_p.
12083         (spe_func_has_64bit_regs_p): Delete.
12084         (spe_expand_predicate_builtin): Delete.
12085         (spe_expand_evsel_builtin): Delete.
12086         (TARGET_DWARF_REGISTER_SPAN): Do not define.
12087         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
12088         (invalid_e500_subreg): Delete.
12089         (rs6000_legitimize_address): Always force_reg op2 as well, for
12090         paired single memory accesses.
12091         (rs6000_member_type_forces_blk): Delete.
12092         (rs6000_spe_function_arg): Delete.
12093         (rs6000_expand_unop_builtin): Delete SPE handling.
12094         (rs6000_expand_binop_builtin): Ditto.
12095         (spe_expand_stv_builtin): Delete.
12096         (bdesc_2arg_spe): Delete.
12097         (spe_expand_builtin): Delete.
12098         (spe_expand_predicate_builtin): Delete.
12099         (spe_expand_evsel_builtin): Delete.
12100         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
12101         (spe_init_builtins): Delete.
12102         (spe_func_has_64bit_regs_p): Delete.
12103         (savres_routine_name): Delete "info" parameter.  Adjust callers.
12104         (rs6000_emit_stack_reset): Ditto.
12105         (rs6000_dwarf_register_span): Delete.
12106         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
12107         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
12108         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
12109         Delete.
12110         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
12111         Delete.
12112         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
12113         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
12114         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
12115         mulv2sf3, divv2sf3): Delete expanders.
12116
12117 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12118
12119         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
12120
12121 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12122
12123         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
12124         * config/rs6000/rs6000.c: Ditto.
12125
12126 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12127
12128         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
12129         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
12130         comparison_operator.
12131
12132 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12133
12134         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
12135         * config/rs6000/rs6000.opt: Ditto.
12136         * config/rs6000/t-rtems: Ditto.
12137
12138 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12139
12140         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
12141         TARGET_E500_SINGLE by 0, simplify.
12142         * config/rs6000/rs6000.c: Ditto.
12143         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
12144         (spe_build_register_parallel): Delete.
12145         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
12146         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
12147         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
12148         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
12149         (E500_CONVERT): Delete.
12150         * config/rs6000/spe.md: Remove many patterns and all define_constants.
12151
12152 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
12153
12154         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
12155         * config/rs6000/dfp.md: Ditto.
12156         (negdd2, *negdd2_fpr): Merge.
12157         (absdd2, *absdd2_fpr): Merge.
12158         (negtd2, *negtd2_fpr): Merge.
12159         (abstd2, *abstd2_fpr): Merge.
12160         * config/rs6000/e500.h: Delete file.
12161         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
12162         TARGET_FPRS by 1 and simplify.
12163         * config/rs6000/rs6000-c.c: Ditto.
12164         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
12165         TARGET_DF_SPE by 0.
12166         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
12167         TARGET_DF_SPE.
12168         * config/rs6000/rs6000.md: Ditto.
12169         (floatdidf2, *floatdidf2_fpr): Merge.
12170         (move_from_CR_gt_bit): Delete.
12171         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
12172         (E500_CR_IOR_COMPARE): Delete.
12173         (All patterns that require !TARGET_FPRS): Delete.
12174         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
12175
12176 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12177
12178         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
12179
12180 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12181
12182         * graphds.c (add_edge): Intitialize edge's attached data.
12183         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
12184         pointer parameter.  Call pointed function on each edge during
12185         graph traversing.  Skip traversing the edge when the function
12186         returns true.
12187         (graphds_dfs, graphds_scc): Ditto.
12188         (for_each_edge): New parameter.  Pass the new parameter to callback
12189         function.
12190         * graphds.h (skip_edge_callback): New function pointer type.
12191         (graphds_dfs, graphds_scc): New function pointer parameter.
12192         (graphds_edge_callback, for_each_edge): New parameter.
12193
12194 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12195
12196         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
12197         out code checking if runtime alias check is possible to below ...
12198         Call the new function.
12199         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
12200         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
12201
12202 2017-06-07  Marek Polacek  <polacek@redhat.com>
12203
12204         PR sanitizer/80932
12205         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
12206         TYPE_OVERFLOW_WRAPS check.
12207
12208 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12209
12210         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
12211         if versioning is required.
12212         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
12213         peeling with the check for versioning.
12214
12215 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12216
12217         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
12218         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
12219         Set true to new parameter if new ssa variable is defined.
12220         (vect_gen_vector_loop_niters): Refactor.  Set range information
12221         for the new vector loop bound variable.
12222         (vect_do_peeling): Ditto.
12223
12224 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12225
12226         * tree-affine.c (ssa.h): Include header file.
12227         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
12228         has wrapping overflow behavior.
12229
12230 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12231
12232         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
12233
12234 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12235
12236         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
12237         (tree_to_aff_combination): ... here.
12238
12239 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
12240
12241         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
12242         reg_pressure model function.
12243         (ivopts_global_cost_for_size): Delete.
12244         (determine_set_costs, iv_ca_recount_cost): Call new model function
12245         ivopts_estimate_reg_pressure.
12246
12247 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12248
12249         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
12250         expensive than udiv.  Remove floating point cases from mod.
12251
12252 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12253
12254         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
12255         Increase idiv cost.
12256
12257 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
12258
12259         * config/aarch64/aarch64.md
12260         (copysignsf3): Fix mask generation.
12261
12262 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
12263
12264         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
12265         TDI_gimple.
12266         (class dump_manager): Add register_dumps method.
12267         * dumpfile.c: Include langhooks.h.
12268         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
12269         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
12270         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
12271         (dump_manager::dump_register): Start with 512 entries instead of 32.
12272         (dump_manager::register_dumps): New method.
12273         * toplev.c (general_init): Instead of invoking register_dumps
12274         langhook, invoke register_dumps method on the dump manager.
12275         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
12276         TDI_generic.
12277
12278 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
12279
12280         * doc/md.texi: Clarify the restrictions on a define_insn condition.
12281         Say that # requires an associated define_split to exist, and that
12282         the define_split must be suitable for use after register allocation.
12283
12284 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12285
12286         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
12287         (compute_outgoing_frequencies): Also initialize zero counts.
12288         (find_many_sub_basic_blocks): Do not produce uninitialized profile
12289         around loops; preserve more of profile when nothing changes.
12290
12291 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
12292
12293         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
12294         here.
12295         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
12296         * config/arm/arm-cpu-cdata.h: Regenerate.
12297         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
12298         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
12299         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
12300         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
12301         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
12302         support.
12303         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
12304         support.
12305         * config/arm/t-rmprofile: Likewise.
12306         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
12307
12308 2017-06-06  David S. Miller  <davem@davemloft.net>
12309
12310         PR target/80968
12311         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
12312         blockage if function uses alloca.
12313
12314 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12315
12316         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
12317         New "uid" fields to hold pretty-print IDs of group and ref.
12318         Memory references are now identified as <group_id>:<ref_id>
12319         instead of using [random] addresses.
12320         (dump_mem_details): Simplify, no functional change.
12321         (dump_mem_ref): Simplify and make output more concise.
12322         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
12323         (find_or_create_group): Initialize group uid.
12324         (record_ref): Initialize ref uid.  Improve debug output.
12325         (prune_group_by_reuse, should_issue_prefetch_p,)
12326         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
12327         (mark_nontemporal_store, determine_loop_nest_reuse):
12328         Improve debug output.
12329
12330 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12331
12332         * dbgcnt.def (prefetch): New debug counter.
12333         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
12334         (schedule_prefetches): Stop issueing prefetches if debug counter
12335         tripped.
12336
12337 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12338
12339         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
12340         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
12341
12342 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12343
12344         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
12345         Use aarch64_reg_or_zero predicate for operand 4.
12346         (aarch64_compare_and_swap<mode> define_insn_and_split):
12347         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
12348         (aarch64_store_exclusive<mode>): Likewise for operand 2.
12349
12350 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12351
12352         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
12353         (arm_compute_save_core_reg_mask): This.
12354         (thumb1_compute_save_reg_mask): Rename into ...
12355         (thumb1_compute_save_core_reg_mask): This.
12356         (arm_compute_save_reg0_reg12_mask): Adapt comment.
12357         (arm_compute_frame_layout): Likewise.
12358
12359 2017-06-06  Richard Biener  <rguenther@suse.de>
12360
12361         PR tree-optimization/80974
12362         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
12363         keep or clear leaders SSA info.
12364
12365 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12366
12367         * config/nvptx/nvptx.c (split_mode_p): New function.
12368         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
12369
12370 2017-06-06  Tom de Vries  <tom@codesourcery.com>
12371
12372         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
12373
12374 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12375
12376         PR bootstrap/80978
12377         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
12378         profile.
12379
12380 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12381
12382         * shrink-wrap.c (handle_simple_exit): Update profile.
12383         (try_shrink_wrapping): Upate profile.
12384
12385 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12386
12387         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
12388         (tree_guess_outgoing_edge_probabilities): New.
12389         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
12390         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
12391
12392 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12393
12394         * ipa-split.c (split_function): Initialize return bb profile.
12395
12396 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
12397
12398         * profile.c (compute_branch_probabilities): Also initialize
12399         EXIT_BLOCK profile.
12400
12401 2017-06-06  Richard Biener  <rguenther@suse.de>
12402
12403         PR tree-optimization/80928
12404         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
12405         (vect_analyze_loop_operations): Properly guard analysis for
12406         pure SLP case.
12407         (vect_transform_loop): Likewise.
12408         (vect_analyze_loop_2): Also reset SLP type on PHIs.
12409         (vect_model_induction_cost): Do not cost for pure SLP.
12410         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
12411         of induction in inner loop vectorization.
12412         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
12413         (vect_get_and_check_slp_defs): Handle vect_induction_def.
12414         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
12415         recursion.
12416         (vect_analyze_slp_cost_1): Cost induction.
12417         (vect_detect_hybrid_slp_stmts): Handle PHIs.
12418         (vect_get_slp_vect_defs): Likewise.
12419         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
12420         (vect_transform_stmt): Handle SLP reductions.
12421         * tree-vectorizer.h (vectorizable_induction): Adjust.
12422
12423 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
12424
12425         * config/rs6000/rs6000.c (make_resolver_func): Update
12426         init_lowered_empty_function call.
12427
12428 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12429
12430         * doc/invoke.texi: Document the -fprofile-abs-path option.
12431         * common.opt (fprofile-abs-path): New option.
12432         * gcov-io.h (gcov_write_filename): Declare.
12433         * gcov-io.c (gcov_write_filename): New function.
12434         * coverage.c (coverage_begin_function): Use gcov_write_filename.
12435         * profile.c (output_location): Likewise.
12436
12437 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12438
12439         * shring-wrap.c: Revert accidental commit.
12440
12441 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
12442
12443         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
12444
12445 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12446
12447         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
12448         new edge.
12449         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
12450         profile in callgraph edge.
12451         * profile-count.h (apply_probability): If THIS is 0, then result is 0
12452         (apply_scale): Likewise.
12453         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
12454         Also scale profile when inlining function with zero profile.
12455         (initialize_cfun): Update exit block profile even when it is zero.
12456         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
12457         when profile is read.
12458
12459 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
12460
12461         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
12462         (CLONE_*): New constants to define the processors we can generate
12463         code for with the target_clone attribute.
12464         (rs6000_clone_map): New array to identify which clone processors
12465         the current program is running on.
12466         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
12467         target_clone attribute.
12468         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
12469         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
12470         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
12471         (cpu_expand_builtin): Add support for target_clone attribute.
12472         (rs6000_valid_attribute_p): Allow "default" attribute.
12473         (get_decl_name): New debug function to simplify printing the
12474         current function name in debugging statements.
12475         (rs6000_clone_priority): New functions to support the target_clone
12476         attribute, and be able to generate code to switch between ISA 2.05
12477         through ISA 3.0 (power6 through power9).
12478         (rs6000_compare_version_priority): Likewise.
12479         (rs6000_get_function_versions_dispatcher): Likewise.
12480         (make_resolver_func): Likewise.
12481         (add_condition_to_bb): Likewise.
12482         (dispatch_function_versions): Likewise.
12483         (rs6000_generate_version_dispatcher_body): Likewise.
12484         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
12485         (fusion_gpr_load_p): Fix a spacing issue.
12486         * doc/extend.texi (Common Function Attributes): Document that the
12487         PowerPC supports the target_clone attribute.
12488
12489 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12490
12491         * config/arm/arm.h: explain F symbol found in description of ARM
12492         register allocation in its legend.
12493
12494 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12495
12496         * config/mips/frame-header-opt.c: Include profile-count.h.
12497         * config/riscv/riscv.c: Include profile-count.h
12498
12499 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
12500
12501         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
12502         update profile.
12503         (sm_set_flag_if_changed): Add bbs field.
12504         (execute_sm_if_changed_flag_set): Pass BBS.
12505         (execute_sm): Update.
12506
12507 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12508
12509         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
12510         New pattern.
12511
12512 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12513
12514         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
12515         (peephole2): New peephole2 to emit the above.
12516         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
12517
12518 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12519
12520         * config/aarch64/aarch64.c (define_peephole2 above
12521         *sub_<shift>_<mode>): New peephole.
12522
12523 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
12524
12525         * config/i386/i386.c (make_resolver_func): Update.
12526         * Makefile.in: Add profile-count.h and profile-count.o
12527         * auto-profile.c (afdo_indirect_call): Update to new API.
12528         (afdo_set_bb_count): Update.
12529         (afdo_propagate_edge): Update.
12530         (afdo_propagate_circuit): Update.
12531         (afdo_calculate_branch_prob): Update.
12532         (afdo_annotate_cfg): Update.
12533         * basic-block.h: Include profile-count.h
12534         (struct edge_def): Turn count to profile_count.
12535         (struct basic_block_def): Likewie.
12536         (REG_BR_PROB_BASE): Move to profile-count.h
12537         (RDIV): Move to profile-count.h
12538         * bb-reorder.c (max_entry_count): Turn to profile_count.
12539         (find_traces): Update.
12540         (rotate_loop):Update.
12541         (connect_traces):Update.
12542         (sanitize_hot_paths):Update.
12543         * bt-load.c (migrate_btr_defs): Update.
12544         * cfg.c (RDIV): Remove.
12545         (init_flow): Use alloc_block.
12546         (alloc_block): Uninitialize count.
12547         (unchecked_make_edge): Uninitialize count.
12548         (check_bb_profile): Update.
12549         (dump_edge_info): Update.
12550         (dump_bb_info): Update.
12551         (update_bb_profile_for_threading): Update.
12552         (scale_bbs_frequencies_int): Update.
12553         (scale_bbs_frequencies_gcov_type): Update.
12554         (scale_bbs_frequencies_profile_count): New.
12555         * cfg.h (update_bb_profile_for_threading): Update.
12556         (scale_bbs_frequencies_profile_count): Declare.
12557         * cfgbuild.c (compute_outgoing_frequencies): Update.
12558         (find_many_sub_basic_blocks): Update.
12559         * cfgcleanup.c (try_forward_edges): Update.
12560         (try_crossjump_to_edge): Update.
12561         * cfgexpand.c (expand_gimple_tailcall): Update.
12562         (construct_exit_block): Update.
12563         * cfghooks.c (verify_flow_info): Update.
12564         (dump_bb_for_graph): Update.
12565         (split_edge): Update.
12566         (make_forwarder_block): Update.
12567         (duplicate_block): Update.
12568         (account_profile_record): Update.
12569         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
12570         (get_estimated_loop_iterations): Update.
12571         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
12572         (single_likely_exit): Update.
12573         * cfgloopmanip.c (scale_loop_profile): Update.
12574         (loopify): Update.
12575         (set_zero_probability): Update.
12576         (lv_adjust_loop_entry_edge): Update.
12577         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
12578         (purge_dead_edges): Update.
12579         (rtl_account_profile_record): Update.
12580         * cgraph.c (cgraph_node::create): Uninitialize count.
12581         (symbol_table::create_edge): Uninitialize count.
12582         (cgraph_update_edges_for_call_stmt_node): Update.
12583         (cgraph_edge::dump_edge_flags): Update.
12584         (cgraph_node::dump): Update.
12585         (cgraph_edge::maybe_hot_p): Update.
12586         * cgraph.h: Include profile-count.h
12587         (create_clone), create_edge, create_indirect_edge): Update.
12588         (cgraph_node): Turn count to profile_count.
12589         (cgraph_edge0: Likewise.
12590         (make_speculative, clone): Update.
12591         (create_edge): Update.
12592         (init_lowered_empty_function): Update.
12593         * cgraphclones.c (cgraph_edge::clone): Update.
12594         (duplicate_thunk_for_node): Update.
12595         (cgraph_node::create_clone): Update.
12596         * cgraphunit.c (cgraph_node::analyze): Update.
12597         (cgraph_node::expand_thunk): Update.
12598         * final.c (dump_basic_block_info): Update.
12599         * gimple-streamer-in.c (input_bb): Update.
12600         * gimple-streamer-out.c (output_bb): Update.
12601         * graphite.c (print_global_statistics): Update.
12602         (print_graphite_scop_statistics): Update.
12603         * hsa-brig.c: Include basic-block.h.
12604         * hsa-dump.c: Include basic-block.h.
12605         * hsa-gen.c (T sum_slice): Update.
12606         (convert_switch_statements):Update.
12607         * hsa-regalloc.c: Include basic-block.h.
12608         * ipa-chkp.c (chkp_produce_thunks): Update.
12609         * ipa-cp.c (struct caller_statistics): Update.
12610         (init_caller_stats): Update.
12611         (gather_caller_stats): Update.
12612         (ipcp_cloning_candidate_p): Update.
12613         (good_cloning_opportunity_p): Update.
12614         (get_info_about_necessary_edges): Update.
12615         (dump_profile_updates): Update.
12616         (update_profiling_info): Update.
12617         (update_specialized_profile): Update.
12618         (perhaps_add_new_callers): Update.
12619         (decide_about_value): Update.
12620         (ipa_cp_c_finalize): Update.
12621         * ipa-devirt.c (struct odr_type_warn_count): Update.
12622         (struct decl_warn_count): Update.
12623         (struct final_warning_record): Update.
12624         (possible_polymorphic_call_targets): Update.
12625         (ipa_devirt): Update.
12626         * ipa-fnsummary.c (redirect_to_unreachable): Update.
12627         * ipa-icf.c (sem_function::merge): Update.
12628         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
12629         * ipa-inline.c (compute_uninlined_call_time): Update.
12630         (compute_inlined_call_time): Update.
12631         (want_inline_small_function_p): Update.
12632         (want_inline_self_recursive_call_p): Update.
12633         (edge_badness): Update.
12634         (lookup_recursive_calls): Update.
12635         (recursive_inlining): Update.
12636         (inline_small_functions): Update.
12637         (dump_overall_stats): Update.
12638         (dump_inline_stats): Update.
12639         * ipa-profile.c (ipa_profile_generate_summary): Update.
12640         (ipa_propagate_frequency): Update.
12641         (ipa_profile): Update.
12642         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
12643         * ipa-utils.c (ipa_merge_profiles): Update.
12644         * loop-doloop.c (doloop_modify): Update.
12645         * loop-unroll.c (report_unroll): Update.
12646         (unroll_loop_runtime_iterations): Update.
12647         * lto-cgraph.c (lto_output_edge): Update.
12648         (lto_output_node): Update.
12649         (input_node): Update.
12650         (input_edge): Update.
12651         (merge_profile_summaries): Update.
12652         * lto-streamer-in.c (input_cfg): Update.
12653         * lto-streamer-out.c (output_cfg): Update.
12654         * mcf.c (create_fixup_graph): Update.
12655         (adjust_cfg_counts): Update.
12656         (sum_edge_counts): Update.
12657         * modulo-sched.c (sms_schedule): Update.
12658         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
12659         * predict.c (maybe_hot_count_p): Update.
12660         (probably_never_executed): Update.
12661         (dump_prediction): Update.
12662         (combine_predictions_for_bb): Update.
12663         (propagate_freq): Update.
12664         (handle_missing_profiles): Update.
12665         (counts_to_freqs): Update.
12666         (rebuild_frequencies): Update.
12667         (force_edge_cold): Update.
12668         * predict.h: Include profile-count.h
12669         (maybe_hot_count_p, counts_to_freqs): UPdate.
12670         * print-rtl-function.c: Do not include cfg.h
12671         * print-rtl.c: Include basic-block.h
12672         * profile-count.c: New file.
12673         * profile-count.h: New file.
12674         * profile.c (is_edge_inconsistent): Update.
12675         (correct_negative_edge_counts): Update.
12676         (is_inconsistent): Update.
12677         (set_bb_counts): Update.
12678         (read_profile_edge_counts): Update.
12679         (compute_frequency_overlap): Update.
12680         (compute_branch_probabilities): Update; Initialize and deinitialize
12681         gcov_count tables.
12682         (branch_prob): Update.
12683         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
12684         (edge_gcov_count): New.
12685         (bb_gcov_count): New.
12686         * shrink-wrap.c (try_shrink_wrapping): Update.
12687         * tracer.c (better_p): Update.
12688         * trans-mem.c (expand_transaction): Update.
12689         (ipa_tm_insert_irr_call): Update.
12690         (ipa_tm_insert_gettmclone_call): Update.
12691         * tree-call-cdce.c: Update.
12692         * tree-cfg.c (gimple_duplicate_sese_region): Update.
12693         (gimple_duplicate_sese_tail): Update.
12694         (gimple_account_profile_record): Update.
12695         (execute_fixup_cfg): Update.
12696         * tree-inline.c (copy_bb): Update.
12697         (copy_edges_for_bb): Update.
12698         (initialize_cfun): Update.
12699         (freqs_to_counts): Update.
12700         (copy_cfg_body): Update.
12701         (expand_call_inline): Update.
12702         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
12703         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
12704         (try_unroll_loop_completely): Update.
12705         (try_peel_loop): Update.
12706         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
12707         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
12708         * tree-ssa-loop-split.c (connect_loops): Update.
12709         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
12710         * tree-ssa-reassoc.c (branch_fixup): Update.
12711         * tree-ssa-tail-merge.c (replace_block_by): Update.
12712         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
12713         (compute_path_counts): Update.
12714         (update_profile): Update.
12715         (recompute_probabilities): Update.
12716         (update_joiner_offpath_counts): Update.
12717         (estimated_freqs_path): Update.
12718         (freqs_to_counts_path): Update.
12719         (clear_counts_path): Update.
12720         (ssa_fix_duplicate_block_edges): Update.
12721         (duplicate_thread_path): Update.
12722         * tree-switch-conversion.c (case_bit_test_cmp): Update.
12723         (struct switch_conv_info): Update.
12724         * tree-tailcall.c (decrease_profile): Update.
12725         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
12726         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
12727         * value-prof.c (check_counter): Update.
12728         (gimple_divmod_fixed_value): Update.
12729         (gimple_mod_pow2): Update.
12730         (gimple_mod_subtract): Update.
12731         (gimple_ic_transform): Update.
12732         (gimple_stringop_fixed_value): Update.
12733         * value-prof.h (gimple_ic): Update.
12734
12735 2017-06-02  Carl Love  <cel@us.ibm.com>
12736
12737         * config/rs6000/rs6000-c: Add support for built-in functions
12738         vector double vec_doublee (vector signed int);
12739         vector double vec_doublee (vector unsigned int);
12740         vector double vec_doublee (vector float);
12741         vector double vec_doubleh (vector signed int);
12742         vector double vec_doubleh (vector unsigned int);
12743         vector double vec_doubleh (vector float);
12744         vector double vec_doublel (vector signed int);
12745         vector double vec_doublel (vector unsigned int);
12746         vector double vec_doublel (vector float);
12747         vector double vec_doubleo (vector signed int);
12748         vector double vec_doubleo (vector unsigned int);
12749         vector double vec_doubleo (vector float);.
12750         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
12751         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
12752         UNS_DOUBLEL.
12753         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
12754         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
12755         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
12756         VS_sxwsp.
12757         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
12758         vec_doublel, vec_doubleh.
12759         * doc/extend.texi: Update the built-in documentation file for the
12760         new built-in functions.
12761
12762 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
12763
12764         PR jit/80954
12765         * ipa-inline-analysis.c (free_growth_caches): Set
12766         edge_removal_hook_holder to NULL after removing it.
12767
12768 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
12769
12770         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
12771         comparision with zero.
12772
12773 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
12774         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12775         for early expansion of vec_min and vec_max builtins.
12776         (builtin_function_type): Add min/max unsigned variants to those
12777         identified as having unsigned arguments.
12778
12779 2017-06-02  Olivier Hainque  <hainque@adacore.com>
12780
12781         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
12782
12783 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12784
12785         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
12786         Use VALL_F16 iterator rather than VALL.
12787
12788 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12789
12790         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
12791         Emit CBNZ inside loop when doing a strong exchange and comparing
12792         against zero.  Generate the CC flags after the loop.
12793
12794 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
12795
12796         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
12797         (dl_section_ref): New.
12798         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
12799         On AIX, append an expression to subtract the size of the
12800         section length to dl_section_ref.
12801
12802 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
12803
12804         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12805         for early expansion of vector absolute builtins.
12806
12807 2017-06-02  Richard Biener  <rguenther@suse.de>
12808
12809         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
12810         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
12811
12812 2017-06-02  Richard Biener  <rguenther@suse.de>
12813
12814         PR tree-optimization/80948
12815         * tree-tailcall.c (find_tail_calls): Track stmts to move in
12816         stmt order as well.
12817
12818 2017-06-02  Richard Biener  <rguenther@suse.de>
12819
12820         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
12821         PHIs are ok.
12822         * tree-vect-stmts.c (process_use): Do not mark backedge defs
12823         for inductions as relevant.
12824
12825 2017-06-02  Richard Biener  <rguenther@suse.de>
12826
12827         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
12828         (vectorizable_induction): ... this.  Remove dead code.
12829
12830 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
12831
12832         * builtins. (expand_builtin_alloca): Remove second parameter and
12833         infer its value from the first parameter instead.
12834         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
12835
12836 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
12837
12838         PR rtl-optimization/80903
12839         * loop-doloop.c (add_test): Unshare sequence.
12840
12841 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12842
12843         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
12844
12845 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12846
12847         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
12848         static.
12849         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
12850         xlogue_layout::get_instance, logue_layout::xlogue_layout,
12851         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
12852         (xlogue_layout::get_stub_rtx): Make static.
12853         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
12854         (xlogue_layout::compute_stub_managed_regs): Rename to...
12855         (xlogue_layout::count_stub_managed_regs): ...this.
12856         (xlogue_layout::is_stub_managed_reg): New function.
12857         (xlogue_layout::m_stub_names): Rename to...
12858         (xlogue_layout::s_stub_names): ...this, make static.
12859         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
12860         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
12861         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
12862         xlogue_layout::s_stub_names): Instantiate statics.
12863         (stub_managed_regs): Remove.
12864         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
12865         (disable_call_ms2sysv_xlogues): Rename to...
12866         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
12867         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
12868         warning logic.
12869         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
12870         change after reload_completed.
12871         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
12872         directly.
12873         (ix86_expand_prologue): Likewise.
12874         (ix86_expand_epilogue): Likewise.
12875         (ix86_expand_split_stack_prologue): Likewise.
12876         (ix86_compute_frame_layout): Remove frame parameter ...
12877         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
12878         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
12879         only if necessary.
12880         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
12881         (ix86_frame): Move from here ...
12882         * config/i386/i386.h (ix86_frame): ... to here.
12883         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
12884         complete ix86_frame data structure instead.  Remove some_ld_name.
12885
12886 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
12887
12888         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
12889         symbols that hold a DECL_VALUE_EXPR.
12890
12891 2017-06-01  Martin Jambor  <mjambor@suse.cz>
12892
12893         PR tree-optimization/80898
12894         * tree-sra.c (process_subtree_disqualification): Removed.
12895         (disqualify_candidate): Do not acll
12896         process_subtree_disqualification.
12897         (subtree_mark_written_and_enqueue): New function.
12898         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
12899         RHS has been disqualified and re-queue LHS if necessary.  Apart
12900         from that, ignore disqualified RHS.
12901
12902 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12903
12904         * config/s390/s390.c (s390_emit_epilogue): Disable early return
12905         address fetch for z10 or later.
12906
12907 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12908
12909         * config/arc/arc.md (tst_movb): Add guard when splitting.
12910
12911 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12912
12913         * config/arc/arc.c (arc_can_eliminate): Test against
12914         arc_frame_pointer_needed.
12915
12916 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12917
12918         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
12919         to prevent store reordering.
12920         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
12921         (type): Add block type.
12922         (stack_tie): Define special instruction to be used in
12923         expand_prologue.
12924
12925 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12926
12927         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
12928         constraint. It is not valid for the pattern.
12929         (noncommutative_binary_comparison): Likewise.
12930
12931 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12932
12933         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
12934         scaled addresses.
12935
12936 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12937
12938         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
12939         be used by the reg-alloc.
12940
12941 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12942
12943         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
12944         reg-alloc when having mul64 or mul32x16 instructions.
12945         (mulsidi3): Likewise.
12946         (umulsidi3): Likewise.
12947         (mulsi32x16): New pattern.
12948         (mulsi64): Likewise.
12949         (mulsidi64): Likewise.
12950         (umulsidi64): Likewise.
12951         (MUL32x16_REG): Define.
12952         (mul64_600): Use MUL32x16_REG.
12953         (mac64_600): Likewise.
12954         (umul64_600): Likewise.
12955         (umac64_600): Likewise.
12956
12957 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
12958
12959         * config/arc/arc.md (mulsi3_700): Make it commutative.
12960
12961 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
12962
12963         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
12964         type for movstouw.
12965         (*sign_extendsidi2_insn): Likewise for movstosw.
12966
12967 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
12968
12969         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
12970         the type of the input discriminant value.  Convert the
12971         discriminant value of signedness vary.
12972
12973 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
12974
12975         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
12976         Add to -Wall section.
12977
12978 2017-06-01  Richard Biener  <rguenther@suse.de>
12979
12980         PR middle-end/66313
12981         * fold-const.c (fold_plusminus_mult_expr): If the factored
12982         factor may be zero use a wrapping type for the inner operation.
12983         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
12984         and handle moved defs.
12985         (process_assignment): Properly guard the unary op case.  Return a
12986         tri-state indicating that moving the stmt before the call may allow
12987         to continue.  Pass through to_move.
12988         (find_tail_calls): Handle moving unrelated defs before
12989         the call.
12990
12991 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
12992
12993         PR target/80618
12994         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
12995         splitter result in the canonical way.
12996
12997 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
12998
12999         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
13000         also for 32bit target.  Update insn attributes.
13001         (zero-extendsidi2 splitter): Allow all registers for operand 1.
13002
13003 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
13004
13005         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
13006         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
13007         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
13008         (_mm_maskz_min_ss): New intrinsics.
13009
13010 2017-05-31  Martin Liska  <mliska@suse.cz>
13011
13012         * tree-vect-loop.c (vect_create_epilog_for_reduction):
13013         Change comment style to one we normally use.
13014         (vectorizable_reduction): Likewise.
13015         (vectorizable_induction): Likewise.
13016         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
13017         (vectorizable_call): Likewise.
13018         (vectorizable_simd_clone_call): Likewise.
13019         (vectorizable_conversion): Likewise.
13020         (vectorizable_assignment): Likewise.
13021         (vectorizable_shift): Likewise.
13022         (vectorizable_operation): Likewise.
13023         (vectorizable_store): Likewise.
13024         (vectorizable_load): Likewise.
13025         * tree-vectorizer.h: Likewise.
13026
13027 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
13028
13029         * passes.c (emergency_dump_function): New.
13030         * tree-pass.h (emergency_dump_function): Declare.
13031         * plugin.c (plugins_internal_error_function): Remove.
13032         * plugin.h (plugins_internal_error_function): Remove declaration.
13033         * toplev.c (internal_error_function): New static function.  Use it...
13034         (general_init): ...here.
13035
13036 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
13037
13038         * config/arc/arc.c (arc_print_operand): Handle constant operands.
13039         (arc_rtx_costs): Add costs for new patterns.
13040         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
13041         * config/arc/predicates.md: Add _1_2_3_operand predicate.
13042
13043 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13044
13045         * tree-ssa-strlen.c (get_next_strinfo): New function.
13046         (get_stridx_plus_constant): Use it.
13047         (zero_length_string): Likewise.
13048         (adjust_related_strinfos): Likewise.
13049         (adjust_last_stmt): Likewise.
13050
13051 2017-05-31  Richard Biener  <rguenther@suse.de>
13052
13053         PR target/80880
13054         * config/i386/i386.c (ix86_expand_builtin): Remove assert
13055         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
13056
13057 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
13058
13059         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
13060         loop_vinfo argument and use of dependence distance vectors.
13061         Check instead whether the two references differ only in their
13062         initial value and assume that they have the same alignment if the
13063         difference is a multiple of the vector alignment.
13064         (vect_analyze_data_refs_alignment): Update call accordingly.
13065
13066 2017-05-31  Martin Liska  <mliska@suse.cz>
13067
13068         PR target/79155
13069         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
13070
13071 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13072
13073         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
13074         (create_intersect_range_checks): Move from ...
13075         * tree-data-ref.c (create_intersect_range_checks_index)
13076         (create_intersect_range_checks): ... to here.
13077         (create_runtime_alias_checks): New function factored from ...
13078         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
13079         here.  Call above function.
13080         * tree-data-ref.h (create_runtime_alias_checks): New function.
13081
13082 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
13083
13084         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
13085         segment length for dr_b and compute it in wide_int.
13086
13087 2017-05-31  Richard Biener  <rguenther@suse.de>
13088
13089         PR tree-optimization/80906
13090         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
13091         and pass through iv_map.
13092         (copy_bb_and_scalar_dependences): Adjust.
13093         (translate_pending_phi_nodes): Likewise.
13094         (copy_loop_close_phi_args): Handle code-generating IVs instead
13095         of ICEing.
13096
13097 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
13098
13099         * diagnostic-color.c (color_dict): Add "type-diff".
13100         (parse_gcc_colors): Update comment.
13101         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
13102         -fdiagnostics-show-template-tree and -fno-elide-type.
13103         (GCC_COLORS): Add type-diff to example.
13104         (type-diff=): New.
13105         (-fdiagnostics-show-template-tree): New.
13106         (-fno-elide-type): New.
13107         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
13108         the pp_format_decoder callback.  Call any m_format_postprocessor's
13109         "handle" method.
13110         (pretty_printer::pretty_printer): Initialize
13111         m_format_postprocessor.
13112         (pretty_printer::~pretty_printer): Delete any
13113         m_format_postprocessor.
13114         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
13115         (class format_postprocessor): New class.
13116         (struct pretty_printer::format_decoder): Document the new parameters.
13117         (struct pretty_printer::m_format_postprocessor): New field.
13118         * tree-diagnostic.c (default_tree_printer): Update for new
13119         bool and const char ** params.
13120         * tree-diagnostic.h (default_tree_printer): Likewise.
13121
13122 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
13123
13124         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
13125         (lwa_operand): Delete rs6000_gen_cell_microcode test.
13126         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
13127         rs6000_gen_cell_microcode code.
13128         (rs6000_final_prescan_insn): Delete.
13129         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
13130         "warn-cell-microcode" entries.
13131         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
13132         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
13133         throughout.  Change cc_reg_not_micro_cr0_operand to
13134         cc_reg_not_cr0_operand throughout.
13135         (*extendhi<mode>2_noload): Delete.
13136         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
13137         (mwarn-cell-microcode): Delete.
13138         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
13139         -mgen-cell-microcode and -mwarn-cell-microcode.
13140
13141 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
13142
13143         PR target/80833
13144         * config/i386/constraints.md (Yd): New constraint.
13145         (Ye): Ditto.
13146         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
13147         and (?Yd, r) alternatives.  Update insn attributes.
13148         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
13149         and (?*Yd, r) alternatives.  Update insn attributes.
13150         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
13151
13152 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
13153
13154         * gimplify.c (gimplify_modify_expr): Don't create a
13155         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
13156         function.
13157
13158 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
13159
13160         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
13161
13162 2017-05-30  Richard Biener  <rguenther@suse.de>
13163
13164         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
13165         and reduc_def fields.
13166         (STMT_VINFO_REDUC_TYPE): New define.
13167         (STMT_VINFO_REDUC_DEF): Likewise.
13168         (vect_force_simple_reduction): Adjust prototype.
13169         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
13170         (vect_is_simple_reduction): Remove check_reduction argument.
13171         (vect_force_simple_reduction): Adjust and set
13172         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
13173         (vectorizable_reduction): Do not re-do reduction analysis
13174         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
13175         * tree-parloops.c (gather_scalar_reductions): Adjust.
13176
13177 2017-05-30  Richard Biener  <rguenther@suse.de>
13178
13179         PR middle-end/80901
13180         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
13181         split_edge code.
13182
13183 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13184
13185         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
13186         Introduce unknown_misalignment parameter and remove vf.
13187         (vect_peeling_hash_get_lowest_cost):
13188         Pass unknown_misalignment parameter.
13189         (vect_enhance_data_refs_alignment):
13190         Fix unsupportable data ref treatment.
13191
13192 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13193
13194         * tree-vect-data-refs.c (vect_get_data_access_cost):
13195         Workaround for SLP handling.
13196         (vect_enhance_data_refs_alignment):
13197         Compute costs for doing no peeling at all, compare to the best
13198         peeling costs so far and avoid peeling if cheaper.
13199
13200 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13201
13202         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
13203         Return peeling info and set costs to zero for unlimited cost
13204         model.
13205         (vect_enhance_data_refs_alignment): Also inspect all datarefs
13206         with unknown misalignment. Compute and costs for unknown
13207         misalignment, compare them to the costs for known misalignment
13208         and choose the cheapest for peeling.
13209
13210 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13211
13212         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
13213         (vect_get_peeling_costs_all_drs): Create function.
13214         (vect_peeling_hash_get_lowest_cost):
13215         Use vect_get_peeling_costs_all_drs.
13216         (vect_peeling_supportable): Create function.
13217         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
13218
13219 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
13220
13221         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
13222         DR_HAS_NEGATIVE_STEP.
13223         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
13224         (vect_enhance_data_refs_alignment): Use.
13225         (vect_duplicate_ssa_name_ptr_info): Use.
13226         * tree-vectorizer.h (dr_misalignment): Use.
13227         (known_alignment_for_access_p): Use.
13228
13229 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
13230
13231         PR target/78838
13232         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
13233         .lowtext.
13234         (has_section_name): New function.
13235
13236 2017-05-30  Martin Liska  <mliska@suse.cz>
13237
13238         PR other/80909
13239         * auto-profile.c (get_function_decl_from_block): Fix
13240         parenthesis.
13241
13242 2017-05-30  Richard Biener  <rguenther@suse.de>
13243
13244         PR middle-end/80876
13245         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
13246
13247 2017-05-30  Martin Liska  <mliska@suse.cz>
13248
13249         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
13250         * dumpfile.h (struct dump_file_info): Remove ctors.
13251
13252 2017-05-30  Martin Liska  <mliska@suse.cz>
13253
13254         * predict.def: Fix GNU coding style.
13255
13256 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
13257
13258         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
13259         Mark 'to' argument with ATTRIBUTE_UNUSED.
13260
13261 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
13262
13263         * config/xtensa/xtensa.c (xtensa_emit_call): Use
13264         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
13265         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
13266         format string.
13267
13268 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
13269
13270         * doc/install.texi (Options specification): Restore entry of
13271         --enable-sjlj-exceptions.
13272
13273 2017-05-27  Michael Eager  <eager@eagercon.com>
13274
13275         Revert:
13276         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
13277
13278         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
13279
13280         * config/microblaze/microblaze.h
13281         (FIXED_REGISTERS): Update in macro.
13282         (CALL_USED_REGISTERS): Update in macro.
13283
13284 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
13285
13286         * doc/install.texi: Add links to macOS binary distributions.
13287
13288 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
13289
13290         PR bootstrap/80887
13291         Revert:
13292         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13293
13294         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
13295
13296 2017-05-26  Martin Liska  <mliska@suse.cz>
13297
13298         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
13299
13300 2017-05-26  Martin Liska  <mliska@suse.cz>
13301
13302         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
13303         always leading ';; '.
13304         (dump_bb_info): Likewise.
13305         (brief_dump_cfg): Likewise.
13306         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
13307         * dumpfile.c: Remove usage of TDF_VERBOSE.
13308         * dumpfile.h (enum dump_kind): Likewise.
13309         (dump_gimple_bb_header): Do not use TDF_COMMENT.
13310         * print-tree.c (debug_verbose): Remove.
13311         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
13312         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
13313         * tree-diagnostic.c (default_tree_printer): Replace
13314         TDF_DIAGNOSTIC with TDF_SLIM.
13315
13316 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13317
13318         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
13319         in parameter loop, rather than loop_vinfo.
13320         (create_intersect_range_checks): Ditto.
13321         (vect_create_cond_for_alias_checks): Update call to above functions.
13322
13323 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13324
13325         PR tree-optimization/80815
13326         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
13327         for merging runtime alias checks.  Handle negative DR_STEPs.
13328
13329 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13330
13331         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
13332         Move from ...
13333         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
13334         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
13335         out code pruning runtime alias checks.
13336         * tree-data-ref.c (prune_runtime_alias_test_list): New function
13337         factored out from above.
13338         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
13339         Move from ...
13340         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
13341         ... to here.
13342         (prune_runtime_alias_test_list): New decalaration.
13343
13344 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
13345
13346         * tree-vect-data-refs.c (compare_tree): Rename and move ...
13347         * tree-data-ref.c (data_ref_compare_tree): ... to here.
13348         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
13349         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
13350         (operator==, comp_dr_with_seg_len_pair): Ditto.
13351         (vect_prune_runtime_alias_test_list): Ditto.
13352
13353 2017-05-26  Martin Liska  <mliska@suse.cz>
13354
13355         PR ipa/80663
13356         * params.def: Bound partial-inlining-entry-probability param.
13357
13358 2017-05-26  Marek Polacek  <polacek@redhat.com>
13359
13360         PR sanitizer/80875
13361         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
13362         can be negated.
13363
13364 2017-05-26  Richard Biener  <rguenther@suse.de>
13365
13366         PR tree-optimization/80842
13367         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
13368         value.
13369
13370 2017-05-26  Richard Biener  <rguenther@suse.de>
13371
13372         PR tree-optimization/80844
13373         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
13374
13375 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
13376
13377         * doc/md.texi (Machine Constraints): Update x86 family
13378         machine constraints section to match 'config/i386/constraints.md'.
13379
13380 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
13381
13382         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
13383
13384 2017-05-25  Nathan Sidwell  <nathan@acm.org>
13385
13386         * doc/invoke.texi (--enable-languages): Update documentation.
13387
13388 2017-05-25  Martin Liska  <mliska@suse.cz>
13389
13390         * dumpfile.c: Add TDF_FOLDING.
13391         * dumpfile.h (enum dump_kind): Likewise.
13392         * genmatch.c (dt_simplify::gen_1): Use it.
13393
13394 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13395
13396         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
13397
13398 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13399
13400         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
13401         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
13402
13403 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
13404
13405         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
13406         * match.pd (X == C): Rewrite it here.
13407         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
13408         with_certain_nonzero_bits2): New predicates.
13409         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
13410
13411 2017-05-24  Nathan Sidwell  <nathan@acm.org>
13412
13413         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
13414         avoid warning.
13415
13416         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
13417         warning.
13418
13419 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
13420
13421         * config/powerpcspe: New port.  Files are copied from the rs6000
13422         port, with "rs6000" in filenames replaced by "powerpcspe".
13423
13424 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
13425
13426         PR rtl-optimization/80754
13427         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
13428
13429 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
13430
13431         * config/sparc/sparc.md (length): Return the correct value for -mflat
13432         sibcalls to match output_sibcall.
13433
13434 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
13435
13436         PR bootstrap/80860
13437         PR bootstrap/80843
13438         * config/rs6000/rs6000.c (struct machine_function): Add new field
13439         n_components.
13440         (rs6000_get_separate_components): Init that field, use it.
13441         (rs6000_components_for_bb): Use the field.
13442
13443 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13444
13445         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
13446
13447 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
13448
13449         PR middle-end/80823
13450         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
13451
13452 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13453
13454         PR target/80725
13455         * config/s390/s390.c (s390_check_qrst_address): Check incoming
13456         address against address_operand predicate.
13457         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
13458
13459 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
13460
13461         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
13462         parameters passed indirectly.
13463
13464 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
13465
13466         * config/i386/i386.md (*movdi_internal): Remove SSE4
13467         alternative 18 (?r, *v).  Update insn attributes.
13468         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
13469         Update insn attributes.
13470         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
13471         Update insn attributes.
13472         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
13473         alternative 1 (r, v). Remove isa attribute.
13474         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
13475         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
13476         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
13477
13478 2017-05-23  Tom de Vries  <tom@codesourcery.com>
13479
13480         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
13481         dg-line directive.
13482
13483 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13484
13485         * cgraphunit.c (symbol_table::process_new_functions): Update.
13486         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
13487         (inline_generate_summary): Rename to ...
13488         (ipa_fn_summary_generate): ... this one.
13489         (inline_read_summary): Rename to ...
13490         (ipa_fn_summary_read): ... this one.
13491         (inline_write_summary): Rename to ...
13492         (ipa_fn_summary_write): ... this one.
13493         (inline_free_summary): Rename to ...
13494         (ipa_free_fn_summary): ... this one.
13495         (pass_data_local_fn_summary, pass_local_fn_summary,
13496         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
13497         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
13498         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
13499         make_pass_ipa_fn_summary): New.
13500         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
13501         inline_write_summary, inline_free_summary): Remove.
13502         (ipa_free_fn_summary) : New.
13503         * ipa-inline.c (ipa_inline): Update.
13504         (pass_ipa_inline): Do not generate summaries.
13505         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
13506         Remove.
13507         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
13508         and add pass_ipa_fn_summary.
13509         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
13510         New.
13511         (make_pass_inline_parameters): Remove.
13512
13513 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
13514
13515         * omp-low.c (struct omp_context): Remove "default_kind" member.
13516         Adjust all users.
13517
13518         * omp-offload.c (execute_oacc_device_lower): Remove the
13519         parallelism dimensions function attributes for unparallelized
13520         OpenACC kernels constructs.
13521
13522 2017-05-23  Martin Liska  <mliska@suse.cz>
13523
13524         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
13525         functions.
13526         (cgraph_edge::make_speculative): Likewise.
13527         (cgraph_edge::resolve_speculation): Likewise.
13528         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
13529         (cgraph_node::dump): Likewise.
13530         * cgraph.h: Likewise.
13531         * cgraphunit.c (analyze_functions): Likewise.
13532         (symbol_table::compile): Likewise.
13533         * ipa-cp.c (print_all_lattices): Likewise.
13534         (determine_versionability): Likewise.
13535         (initialize_node_lattices): Likewise.
13536         (ipcp_verify_propagated_values): Likewise.
13537         (estimate_local_effects): Likewise.
13538         (update_profiling_info): Likewise.
13539         (create_specialized_node): Likewise.
13540         (perhaps_add_new_callers): Likewise.
13541         (decide_about_value): Likewise.
13542         (decide_whether_version_node): Likewise.
13543         (identify_dead_nodes): Likewise.
13544         (ipcp_store_bits_results): Likewise.
13545         * ipa-devirt.c (dump_targets): Likewise.
13546         (ipa_devirt): Likewise.
13547         * ipa-icf.c (sem_item::dump): Likewise.
13548         (sem_function::equals): Likewise.
13549         (sem_variable::equals): Likewise.
13550         (sem_item_optimizer::read_section): Likewise.
13551         (sem_item_optimizer::execute): Likewise.
13552         (congruence_class::dump): Likewise.
13553         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
13554         (dump_inline_summary): Likewise.
13555         (estimate_node_size_and_time): Likewise.
13556         (inline_analyze_function): Likewise.
13557         * ipa-inline-transform.c (inline_call): Likewise.
13558         * ipa-inline.c (report_inline_failed_reason): Likewise.
13559         (want_early_inline_function_p): Likewise.
13560         (edge_badness): Likewise.
13561         (update_edge_key): Likewise.
13562         (inline_small_functions): Likewise.
13563         * ipa-profile.c (ipa_profile): Likewise.
13564         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
13565         (ipa_make_edge_direct_to_target): Likewise.
13566         (remove_described_reference): Likewise.
13567         (ipa_impossible_devirt_target): Likewise.
13568         (propagate_controlled_uses): Likewise.
13569         (ipa_print_node_params): Likewise.
13570         (ipcp_transform_function): Likewise.
13571         * ipa-pure-const.c (pure_const_read_summary): Likewise.
13572         (propagate_pure_const): Likewise.
13573         * ipa-reference.c (generate_summary): Likewise.
13574         (read_write_all_from_decl): Likewise.
13575         (propagate): Likewise.
13576         (ipa_reference_read_optimization_summary): Likewise.
13577         * ipa-utils.c (ipa_merge_profiles): Likewise.
13578         * ipa.c (walk_polymorphic_call_targets): Likewise.
13579         (symbol_table::remove_unreachable_nodes): Likewise.
13580         (ipa_single_use): Likewise.
13581         * passes.c (execute_todo): Likewise.
13582         * predict.c (drop_profile): Likewise.
13583         * symtab.c (symtab_node::get_dump_name): New function.
13584         (symtab_node::dump_name): Likewise.
13585         (symtab_node::dump_asm_name): Likewise.
13586         (symtab_node::dump_references): Likewise.
13587         (symtab_node::dump_referring): Likewise.
13588         (symtab_node::dump_base): Likewise.
13589         (symtab_node::debug_symtab): Likewise.
13590         * tree-sra.c (convert_callers_for_node): Likewise.
13591         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
13592         * value-prof.c (init_node_map): Likewise.
13593
13594 2017-05-23  Martin Liska  <mliska@suse.cz>
13595
13596         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
13597         and symtab_node::debug_symtab to symbol_table::debug.
13598         * cgraphunit.c (analyze_functions): Use the renamed function.
13599         (symbol_table::compile): Likewise.
13600         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
13601         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
13602         * passes.c (execute_todo): Likewise.
13603         * symtab.c (symbol_table::dump): New function.
13604         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
13605
13606 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13607
13608         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
13609         that nonconst implies exec.
13610
13611 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13612
13613         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
13614         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
13615         (inline_edge_summary_vec): Turn into ...
13616         (ipa_call_summaries): ... this one.
13617         (redirect_to_unreachable, edge_set_predicate,
13618         evaluate_properties_for_edge, inline_summary_alloc,
13619         reset_ipa_call_summary, reset_inline_summary,
13620         inline_summary_t::duplicate): Update.
13621         (inline_edge_duplication_hook): Turn to ...
13622         (ipa_call_summary_t::duplicate): ... this one.
13623         (inline_edge_removal_hook): Turn to ...
13624         (ipa_call_summary_t::remove): ... this one.
13625         (dump_inline_edge_summary): Turn to ...
13626         (dump_ipa_call_summary): ... this one.
13627         (estimate_function_body_sizes): Update.
13628         (inline_update_callee_summaries): Update.
13629         (remap_edge_change_prob): Update.
13630         (remap_edge_summaries): Update.
13631         (inline_merge_summary): Update.
13632         (do_estimate_edge_time): Update.
13633         (inline_generate_summary): Update.
13634         (inline_read_section): Update.
13635         (inline_read_summary): Update.
13636         (inline_free_summary): Update.
13637         * ipa-inline.c (can_inline_edge_p): Update.
13638         (compute_inlined_call_time): Update.
13639         (want_inline_small_function_p): Update.
13640         (edge_badness): Update.
13641         (early_inliner): Update.
13642         * ipa-inline.h (inline_edge_summary): Turn to ...
13643         (ipa_call_summary): ... this one.
13644         (ipa_call_summary_t): New class.
13645         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
13646         (ipa_call_summaries): New.
13647         (inline_edge_summary): Remove.
13648         (estimate_edge_growth): Update.
13649         * ipa-profile.c (ipa_propagate_frequency_1): Update.
13650         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13651         * ipa-split.c (execute_split_functions): Update.
13652         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
13653
13654 2017-05-23  Tom de Vries  <tom@codesourcery.com>
13655
13656         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
13657         attributes): Document rdrand effective target.
13658
13659 2017-05-23  Tom de Vries  <tom@codesourcery.com>
13660
13661         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
13662         attributes): Sort alphabetically.
13663
13664 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
13665
13666         * config/avr/genmultilib.awk: Use gsub instead of gensub.
13667
13668 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
13669
13670         PR target/80718
13671         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
13672         V2DF/V2DI splat into two separate patterns, one that handles
13673         registers, and the other that only handles memory.  Drop support
13674         for splatting from a GPR on ISA 2.07 and then splitting the
13675         splat into direct move and splat.
13676         (vsx_splat_<mode>_reg): Likewise.
13677         (vsx_splat_<mode>_mem): Likewise.
13678
13679 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
13680
13681         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
13682
13683 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
13684
13685         PR middle-end/80809
13686         * omp-low.c (finish_taskreg_remap): New function.
13687         (finish_taskreg_scan): If unit size of ctx->record_type
13688         is non-constant, unshare the size expression and replace
13689         decls in it with possible outer var refs.
13690
13691         PR middle-end/80809
13692         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
13693         GOVD_SHARED rather than GOVD_PRIVATE with it.
13694         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
13695         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
13696
13697         PR middle-end/80853
13698         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
13699         as last argument to build_outer_var_ref for pointer bases of array
13700         section reductions.
13701
13702 2017-05-19  Martin Sebor  <msebor@redhat.com>
13703
13704         * print-tree.c (print_node): Print DECL_READ_P flag.
13705
13706 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13707
13708         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
13709         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
13710         * cgraph.c: Likewise.
13711         * cgraphunit.c: Likewise.
13712         * gengtype.c: Likewise.
13713         * ipa-cp.c: Likewise.
13714         * ipa-devirt.c: Likewise.
13715         * ipa-icf.c: Likewise.
13716         * ipa-predicate.c: Likewise.
13717         * ipa-profile.c: Likewise.
13718         * ipa-prop.c: Likewise.
13719         * ipa-split.c: Likewise.
13720         * ipa.c: Likewise.
13721         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
13722         edge_predicate_pool, dump_inline_hints,
13723         inline_summary::account_size_time, redirect_to_unreachable,
13724         edge_set_predicate, set_hint_predicate,
13725         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
13726         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
13727         inline_summary_t::remove, remap_hint_predicate_after_duplication,
13728         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
13729         ipa_call_summary_t::remove, initialize_growth_caches,
13730         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
13731         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
13732         mark_modified, unmodified_parm_1, unmodified_parm,
13733         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
13734         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
13735         compute_bb_predicates, will_be_nonconstant_expr_predicate,
13736         will_be_nonconstant_predicate, record_modified_bb_info,
13737         get_minimal_bb, record_modified, param_change_prob,
13738         phi_result_unknown_predicate, predicate_for_phi_result,
13739         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
13740         estimate_function_body_sizes, compute_inline_parameters,
13741         compute_inline_parameters_for_curren, pass_data_inline_parameters,
13742         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
13743         inline_update_callee_summaries, remap_edge_change_prob,
13744         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
13745         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
13746         inline_analyze_function, inline_summary_t::insert,
13747         inline_generate_summary, read_ipa_call_summary, inline_read_section,
13748         inline_read_summary, write_ipa_call_summary, inline_write_summary,
13749         inline_free_summary): Move to ipa-fnsummary.h
13750         (predicate_t): Remove.
13751         * ipa-fnsummary.c: New file.
13752         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
13753         (enum inline_hints_vals, inline_hints, agg_position_info,
13754         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
13755         inline_summaries, ipa_call_summary, ipa_call_summary_t,
13756         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
13757         dump_inline_summary, dump_inline_hints, inline_generate_summary,
13758         inline_read_summary, inline_write_summary, inline_free_summary,
13759         inline_analyze_function, initialize_inline_failed,
13760         inline_merge_summary, inline_update_overall_summary,
13761         compute_inline_parameters): Move to ipa-fnsummary.h
13762         * ipa-fnsummary.h: New file.
13763         * ipa-inline-transform.h: Include ipa-inline.h.
13764         * ipa-inline.c: LIkewise.
13765
13766 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13767
13768         * ipa-inline.c (edge_badness): Use inlined_time instead of
13769         inline_summaries->get.
13770
13771 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13772
13773         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
13774
13775 2017-05-22  Nathan Sidwell  <nathan@acm.org>
13776
13777         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
13778         (fdump-lang): Document 'raw' option.
13779         * dumpfile.h (TDI_tu): Delete.
13780         * dumpfile.c (dump_files): Remove translation-unit.
13781         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
13782
13783 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
13784
13785         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
13786         command option from $(AWK) call.
13787         * config/avr/genmultilib.awk: Simplify and rewrite so that it
13788         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
13789         [FORMAT]: Remove handling of variable.
13790         * config/avr/t-multilib: Regenerate.
13791
13792 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13793
13794         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
13795         self_time.
13796         (dump_inline_summary): Do not print self_time.
13797         (estimate_function_body_sizes): Do not set self_time.
13798         (compute_inline_parameters): Likewise.
13799         (inline_read_section, inline_write_summary): Do not stream self_time.
13800         * ipa-inline.h (inline_summary): Drop self_time.
13801
13802 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
13803
13804         * ipa-inline-analysis.c (account_size_time): Rename to ...
13805         (inline_summary::account_size_time): ... this one.
13806         (reset_ipa_call_summary): Turn to ...
13807         (ipa_call_summary::reset): ... this one.
13808         (reset_inline_summary): Turn to ...
13809         (inline_summary::reset): ... this one.
13810         (inline_summary_t::remove): Update.
13811         (inline_summary_t::duplicate): Update.
13812         (ipa_call_summary_t::remove): Update.
13813         (dump_inline_summary): Update.
13814         (estimate_function_body_sizes): Update.
13815         (compute_inline_parameters): Update.
13816         (estimate_node_size_and_time): Update.
13817         (inline_merge_summary): Update.
13818         (inline_update_overall_summary): Update.
13819         (inline_read_section): Update.
13820         (inline_write_summary): Update.
13821         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
13822         add account_size_time and reset member functions.
13823         (ipa_call_summary): Add reset function.
13824         * ipa-predicate.h (predicate::operator &): Constify.
13825
13826 2017-05-22  Richard Biener  <rguenther@suse.de>
13827
13828         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
13829
13830 2017-05-19  Jason Merrill  <jason@redhat.com>
13831
13832         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
13833
13834 2017-05-19  Marek Polacek  <polacek@redhat.com>
13835
13836         PR sanitizer/80800
13837         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
13838         TYPE_OVERFLOW_WRAPS checks.
13839
13840 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
13841
13842         * tree-core.h (enum omp_clause_default_kind): Add
13843         "OMP_CLAUSE_DEFAULT_PRESENT".
13844         * tree-pretty-print.c (dump_omp_clause): Handle it.
13845         * gimplify.c (enum gimplify_omp_var_data): Add
13846         "GOVD_MAP_FORCE_PRESENT".
13847         (gimplify_adjust_omp_clauses_1): Map it to
13848         "GOMP_MAP_FORCE_PRESENT".
13849         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
13850
13851         * gimplify.c (oacc_default_clause): Clarify.
13852
13853 2017-05-19  Nathan Sidwell  <nathan@acm.org>
13854
13855         LANG_HOOK_REGISTER_DUMPS
13856         * toplev.c (general_init): Call register dump lang hook.
13857         * doc/invoke.texi: Document -fdump-lang option family.
13858         * dumpfile.c (dump_files): Remove class dump here.
13859         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
13860         * dumpfile.h (tree_dump_index): Remove TDI_class.
13861         * langhooks-def.h (lhd_register_dumps): Declare.
13862         (LANG_HOOKS_REGISTER_DUMPS): Define.
13863         (LANG_HOOKS_INITIALIZER): Add it.
13864         * langhooks.c (lhd_register_dumps): Define.
13865         * langhooks.h (struct lang_hooks): Add register_dumps.
13866
13867 2017-05-19  Nathan Sidwell  <nathan@acm.org>
13868
13869         * context.h (context::set_passes): New.
13870         * context.c (context::context): Do not create pass manager.
13871         * toplev.c (general_init): Create pass manager here.
13872
13873 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
13874
13875         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
13876         use this splitter if two add or or instructions would also work for
13877         the constant we want to generate.
13878
13879 2017-05-19  Richard Biener  <rguenther@suse.de>
13880
13881         PR build/80821
13882         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
13883         predicate evaluation.
13884
13885 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
13886
13887         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
13888         add ctor.
13889         * ipa-inline.c (want_inline_small_function_p): Do not cast to
13890         unsigned.
13891
13892 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
13893
13894         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
13895         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
13896         (inline_edge_summary_vec): Turn into ...
13897         (ipa_call_summaries): ... this one.
13898         (redirect_to_unreachable, edge_set_predicate,
13899         evaluate_properties_for_edge, inline_summary_alloc,
13900         reset_ipa_call_summary, reset_inline_summary,
13901         inline_summary_t::duplicate): Update.
13902         (inline_edge_duplication_hook): Turn to ...
13903         (ipa_call_summary_t::duplicate): ... this one.
13904         (inline_edge_removal_hook): Turn to ...
13905         (ipa_call_summary_t::remove): ... this one.
13906         (dump_inline_edge_summary): Turn to ...
13907         (dump_ipa_call_summary): ... this one.
13908         (estimate_function_body_sizes): Update.
13909         (inline_update_callee_summaries): Update.
13910         (remap_edge_change_prob): Update.
13911         (remap_edge_summaries): Update.
13912         (inline_merge_summary): Update.
13913         (do_estimate_edge_time): Update.
13914         (inline_generate_summary): Update.
13915         (inline_read_section): Update.
13916         (inline_read_summary): Update.
13917         (inline_free_summary): Update.
13918         * ipa-inline.c (can_inline_edge_p): Update.
13919         (compute_inlined_call_time): Update.
13920         (want_inline_small_function_p): Update.
13921         (edge_badness): Update.
13922         (early_inliner): Update.
13923         * ipa-inline.h (inline_edge_summary): Turn to ...
13924         (ipa_call_summary): ... this one.
13925         (ipa_call_summary_t): New class.
13926         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
13927         (ipa_call_summaries): New.
13928         (inline_edge_summary): Remove.
13929         (estimate_edge_growth): Update.
13930         * ipa-profile.c (ipa_propagate_frequency_1): Update.
13931         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13932         * ipa-split.c (execute_split_functions): Update.
13933         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
13934
13935 2017-05-19  Richard Biener  <rguenther@suse.de>
13936
13937         PR middle-end/80764
13938         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
13939
13940 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
13941
13942         * config/rs6000/rs6000.c (struct machine_function): Add field
13943         fpr_is_wrapped_separately.
13944         (rs6000_get_separate_components): Use 64 components.  Handle the
13945         new FPR components.
13946         (rs6000_components_for_bb): Handle the FPR components.
13947         (rs6000_emit_prologue_components): Handle the FPR components.
13948         (rs6000_emit_epilogue_components): Handle the FPR components.
13949         (rs6000_set_handled_components): Handle the FPR components.
13950         (rs6000_emit_prologue): Don't output prologue code for those FPRs
13951         that are already separately shrink-wrapped.
13952         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
13953         that are already separately shrink-wrapped.
13954
13955 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
13956
13957         PR target/80510
13958         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
13959         New predicate.
13960
13961         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
13962         (define_peephole2 for Altivec d-form load): Add peepholes to catch
13963         cases where the register allocator uses a move and an offsettable
13964         memory operation to/from a FPR register on ISA 2.06/2.07.
13965         (define_peephole2 for Altivec d-form store): Likewise.
13966
13967 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
13968
13969         PR target/80799
13970         * config/i386/mmx.md (*mov<mode>_internal): Enable
13971         alternatives 11, 12, 13 and 14 also for 32bit targets.
13972         Remove alternatives 15, 16, 17 and 18.
13973         * config/i386/sse.md (vec_concatv2di): Change
13974         alternative (!x, *y) to (x, ?!*Yn).
13975
13976 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
13977
13978         * dumpfile.h (enum dump_kind): Remove stray comma.
13979
13980 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
13981
13982         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
13983         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
13984         predicate::num_conditions
13985         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
13986         (CHANGED): turn into predicate::changed.
13987         (agg_position_info): Move to ipa-predicate.h
13988         (add_condition, predicate::add_clause, predicate::operator &=,
13989         predicate::or_with, predicate::evaluate, predicate::probability,
13990         dump_condition, dump_clause, predicate::dump,
13991         predicate::remap_after_duplication, predicate::remap_after_inlining,
13992         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
13993         (evaluate_conditions_for_known_args): Update.
13994         (set_cond_stmt_execution_predicate): Update.
13995         * ipa-inline.h: Include ipa-predicate.h
13996         (condition, inline_param_summary, conditions, agg_position_info,
13997         predicate): Move to ipa-predicate.h
13998         * ipa-predicate.c: New file.
13999         * ipa-predicate.h: New file.
14000
14001 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
14002
14003         * final.c (leaf_function_p): Check we are not in a sequence.
14004
14005 2017-05-18  Martin Liska  <mliska@suse.cz>
14006
14007         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
14008         * dumpfile.c (dump_register): Use new enum dump_kind.
14009         (get_dump_file_name): Likewise.
14010         (dump_enable_all): Likewise.
14011         (dump_switch_p_1): Likewise.
14012         (enable_rtl_dump_file): Remove usage of TDF_RTL.
14013         * dumpfile.h (enum dump_kind): New enum type.
14014         (struct dump_file_info): Create constructor and
14015         format fields and comments.
14016         * passes.c (pass_manager::register_one_dump_file):
14017         Use num dump_kind.
14018         * statistics.c (statistics_early_init): Likewise.
14019         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
14020         TDF_TREE with TDF_SLIM.
14021         (gather_memory_references_ref): Likewise.
14022
14023 2017-05-18  Martin Liska  <mliska@suse.cz>
14024
14025         * vec.h (struct vnull): Use it.
14026
14027 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
14028
14029         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
14030         (true_predicate, false_predicate, true_predicate_p,
14031         false_predicate_p): Remove.
14032         (single_cond_predicate, not_inlined_predicate): Turn to member function
14033         in ipa-inline.h
14034         (add_condition): Update.
14035         (add_clause): Turn to...
14036         (predicate::add_clause): ... this one; update; allow passing NULL
14037         as parameter.
14038         (and_predicates): Turn to ...
14039         (predicate::operator &=): ... this one.
14040         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
14041         (or_predicates): Turn to ...
14042         (predicate::or_with): ... this one.
14043         (evaluate_predicate): Turn to ...
14044         (predicate::evaluate): ... this one.
14045         (predicate_probability): Turn to ...
14046         (predicate::probability): ... this one.
14047         (dump_condition): Update.
14048         (dump_predicate): Turn to ...
14049         (predicate::dump): ... this one.
14050         (account_size_time): Update.
14051         (edge_set_predicate): Update.
14052         (set_hint_predicate): UPdate.
14053         (evaluate_conditions_for_known_args): Update.
14054         (evaluate_properties_for_edge): Update.
14055         (remap_predicate_after_duplication): Turn to...
14056         (predicate::remap_after_duplication): ... this one.
14057         (remap_hint_predicate_after_duplication): Update.
14058         (inline_summary_t::duplicate): UPdate.
14059         (dump_inline_edge_summary): Update.
14060         (dump_inline_summary): Update.
14061         (set_cond_stmt_execution_predicate): Update.
14062         (set_switch_stmt_execution_predicate): Update.
14063         (compute_bb_predicates): Update.
14064         (will_be_nonconstant_expr_predicate): Update.
14065         (will_be_nonconstant_predicate): Update.
14066         (phi_result_unknown_predicate): Update.
14067         (predicate_for_phi_result): Update.
14068         (array_index_predicate): Update.
14069         (estimate_function_body_sizes): Update.
14070         (estimate_node_size_and_time): Update.
14071         (estimate_ipcp_clone_size_and_time): Update.
14072         (remap_predicate): Rename to ...
14073         (predicate::remap_after_inlining): ... this one.
14074         (remap_hint_predicate): Update.
14075         (inline_merge_summary): Update.
14076         (inline_update_overall_summary): Update.
14077         (estimate_size_after_inlining): Update.
14078         (read_predicate): Rename to ...
14079         (predicate::stream_in): ... this one.
14080         (read_inline_edge_summary): Update.
14081         (write_predicate): Rename to ...
14082         (predicate::stream_out): ... this one.
14083         (write_inline_edge_summary): Update.
14084         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
14085         (clause_t): Turn to uint32_t
14086         (predicate): Turn to class; implement constructor and operators
14087         ==, !=, &
14088         (size_time_entry): Update.
14089         (inline_summary): Update.
14090         (inline_edge_summary): Update.
14091
14092 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
14093
14094         * fold-const.c (fold_binary_loc): Move transformation...
14095         * match.pd (C - X CMP X): ... here.
14096
14097 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
14098
14099         * config/sparc/sparc.c (sparc_option_override): Set function
14100         alignment for -mcpu=niagara7 to 64 to match the I$ line.
14101         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
14102         latency to 1.
14103         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
14104         latency to 2.
14105         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
14106
14107 2017-05-18  Marek Polacek  <polacek@redhat.com>
14108
14109         PR sanitizer/80797
14110         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
14111         (pass_ubsan::execute): Call gimple_assign_single_p instead of
14112         gimple_assign_load_p.
14113
14114 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
14115
14116         PR middle-end/80692
14117         * real.c (do_compare): Give decimal_do_compare preference over
14118         comparing just the signs.
14119
14120 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
14121
14122         * doc/md.texi (Canonicalization of Instructions): Describe the
14123         canonical form of instructions that inherently set a condition
14124         code register.
14125
14126 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
14127
14128         PR middle-end/80775
14129         * tree-cfg.c: Move deletion of unreachable case statements to after
14130         the merging of consecutive case labels.
14131
14132 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14133
14134         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
14135         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
14136         restoring of callee-saved registers.
14137
14138 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
14139
14140         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
14141         * config/visium/visium.c (single_set_and_flags): Likewise.
14142         * config/visium/visium.md (Substitutions): Likewise.
14143
14144 2017-05-17  Martin Liska  <mliska@suse.cz>
14145
14146         * cfg.c: Introduce dump_flags_t type and
14147         use it instead of int type.
14148         * cfg.h: Likewise.
14149         * cfghooks.c: Likewise.
14150         * cfghooks.h (struct cfg_hooks): Likewise.
14151         * cfgrtl.c: Likewise.
14152         * cfgrtl.h: Likewise.
14153         * cgraph.c (cgraph_node::get_body): Likewise.
14154         * coretypes.h: Likewise.
14155         * domwalk.c: Likewise.
14156         * domwalk.h: Likewise.
14157         * dumpfile.c (struct dump_option_value_info): Likewise.
14158         (dump_enable_all): Likewise.
14159         (dump_switch_p_1): Likewise.
14160         (opt_info_switch_p): Likewise.
14161         * dumpfile.h (enum tree_dump_index): Likewise.
14162         (struct dump_file_info): Likewise.
14163         * genemit.c: Likewise.
14164         * generic-match-head.c: Likewise.
14165         * gengtype.c (open_base_files): Likewise.
14166         * gimple-pretty-print.c: Likewise.
14167         * gimple-pretty-print.h: Likewise.
14168         * graph.c (print_graph_cfg): Likewise.
14169         * graphite-scop-detection.c (dot_all_sese): Likewise.
14170         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
14171         * loop-unroll.c (report_unroll): Likewise.
14172         * passes.c (pass_manager::register_one_dump_file): Likewise.
14173         * print-tree.c: Likewise.
14174         * statistics.c: Likewise.
14175         * tree-cfg.c: Likewise.
14176         * tree-cfg.h: Likewise.
14177         * tree-dfa.c: Likewise.
14178         * tree-dfa.h: Likewise.
14179         * tree-dump.c (dump_function): Likewise.
14180         * tree-dump.h (struct dump_info): Likewise.
14181         * tree-pretty-print.c: Likewise.
14182         * tree-pretty-print.h: Likewise.
14183         * tree-ssa-live.c: Likewise.
14184         * tree-ssa-live.h: Likewise.
14185         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
14186         * tree-vect-loop.c: Likewise.
14187         * tree-vect-slp.c: Likewise.
14188
14189 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
14190             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14191
14192         PR tree-optimization/80457
14193         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
14194         of all arguments to a statement as scalar_to_vec operations.
14195         (vectorizable_call): Adjust call to vect_model_simple_cost for
14196         new parameter.
14197         (vectorizable_conversion): Likewise.
14198         (vectorizable_assignment): Likewise.
14199         (vectorizable_shift): Likewise.
14200         (vectorizable_operation): Likewise.
14201         (vectorizable_comparison): Likewise.
14202         (vect_is_simple_cond): Record the def types for operands.
14203         (vectorizable_condition): Likewise, call vect_model_simple_cost.
14204         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
14205         for statement argument count.
14206
14207 2017-05-16  Carl Love  <cel@us.ibm.com>
14208
14209         * config/rs6000/rs6000-c: Add support for built-in functions
14210         vector unsigned long long vec_bperm (vector unsigned long long,
14211                                              vector unsigned char)
14212         vector signed long long vec_mule (vector signed int,
14213                                           vector signed int)
14214         vector unsigned long long vec_mule (vector unsigned int,
14215                                             vector unsigned int)
14216         vector signed long long vec_mulo (vector signed int,
14217                                           vector signed int)
14218         vector unsigned long long vec_mulo (vector unsigned int,
14219                                             vector unsigned int)
14220         vector signed char vec_sldw (vector signed char,
14221                                      vector signed char,
14222                                      const int)
14223         vector unsigned char vec_sldw (vector unsigned char,
14224                                        vector unsigned char,
14225                                        const int)
14226         vector signed short vec_sldw (vector signed short,
14227                                       vector signed short,
14228                                       const int)
14229         vector unsigned short vec_sldw (vector unsigned short,
14230                                         vector unsigned short,
14231                                         const int)
14232         vector signed int vec_sldw (vector signed int,
14233                                     vector signed int,
14234                                     const int)
14235         vector unsigned int vec_sldw (vector unsigned int,
14236                                       vector unsigned int,
14237                                       const int)
14238         vector signed long long vec_sldw (vector signed long long,
14239                                           vector signed long long,
14240                                           const int)
14241         vector unsigned long long vec_sldw (vector unsigned long long,
14242                                             vector unsigned long long,
14243                                             const int)
14244         * config/rs6000/rs6000-c: Add support for built-in functions
14245         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
14246         * config/rs6000/altivec.h: Add defintion for vec_sldw.
14247         * doc/extend.texi: Update the built-in documentation for the
14248         new built-in functions.
14249
14250 2017-05-16  Marek Polacek  <polacek@redhat.com>
14251
14252         PR sanitizer/80536
14253         PR sanitizer/80386
14254         * tree.c (save_expr): Don't fold the expression.
14255
14256 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
14257
14258         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
14259         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
14260         and (?*y,m).  Update insn attributes.
14261
14262 2017-05-16  Martin Liska  <mliska@suse.cz>
14263
14264         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
14265         flags argument of print_gimple_stmt, print_gimple_expr,
14266         print_generic_stmt and print_generic_expr.
14267         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
14268         * coretypes.h: Likewise.
14269         * except.c (dump_eh_tree): Likewise.
14270         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
14271         * gimple-pretty-print.h: Likewise.
14272         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
14273         (backprop::push_to_worklist): Likewise.
14274         (backprop::pop_from_worklist): Likewise.
14275         (backprop::process_use): Likewise.
14276         (backprop::intersect_uses): Likewise.
14277         (note_replacement): Likewise.
14278         * gimple-ssa-store-merging.c
14279         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
14280         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
14281         (pass_store_merging::execute): Likewise.
14282         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
14283         (ssa_base_cand_dump_callback): Likewise.
14284         (dump_incr_vec): Likewise.
14285         (replace_refs): Likewise.
14286         (replace_mult_candidate): Likewise.
14287         (create_add_on_incoming_edge): Likewise.
14288         (create_phi_basis): Likewise.
14289         (insert_initializers): Likewise.
14290         (all_phi_incrs_profitable): Likewise.
14291         (introduce_cast_before_cand): Likewise.
14292         (replace_one_candidate): Likewise.
14293         * gimplify.c (gimplify_expr): Likewise.
14294         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
14295         (set_rename): Likewise.
14296         (rename_uses): Likewise.
14297         (copy_loop_phi_nodes): Likewise.
14298         (add_close_phis_to_merge_points): Likewise.
14299         (copy_loop_close_phi_args): Likewise.
14300         (copy_cond_phi_args): Likewise.
14301         (graphite_copy_stmts_from_block): Likewise.
14302         (translate_pending_phi_nodes): Likewise.
14303         * graphite-poly.c (print_pdr): Likewise.
14304         (dump_gbb_cases): Likewise.
14305         (dump_gbb_conditions): Likewise.
14306         (print_scop_params): Likewise.
14307         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
14308         (build_cross_bb_scalars_use): Likewise.
14309         (gather_bbs::before_dom_children): Likewise.
14310         * hsa-dump.c (dump_hsa_immed): Likewise.
14311         * ipa-cp.c (print_ipcp_constant_value): Likewise.
14312         (get_replacement_map): Likewise.
14313         * ipa-inline-analysis.c (dump_condition): Likewise.
14314         (estimate_function_body_sizes): Likewise.
14315         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
14316         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
14317         * ipa-prop.c (ipa_dump_param): Likewise.
14318         (ipa_print_node_jump_functions_for_edge): Likewise.
14319         (ipa_modify_call_arguments): Likewise.
14320         (ipa_modify_expr): Likewise.
14321         (ipa_dump_param_adjustments): Likewise.
14322         (ipa_dump_agg_replacement_values): Likewise.
14323         (ipcp_modif_dom_walker::before_dom_children): Likewise.
14324         * ipa-pure-const.c (check_stmt): Likewise.
14325         (pass_nothrow::execute): Likewise.
14326         * ipa-split.c (execute_split_functions): Likewise.
14327         * omp-offload.c (dump_oacc_loop_part): Likewise.
14328         (dump_oacc_loop): Likewise.
14329         * trans-mem.c (tm_log_emit): Likewise.
14330         (tm_memopt_accumulate_memops): Likewise.
14331         (dump_tm_memopt_set): Likewise.
14332         (dump_tm_memopt_transform): Likewise.
14333         * tree-cfg.c (gimple_verify_flow_info): Likewise.
14334         (print_loop): Likewise.
14335         * tree-chkp-opt.c (chkp_print_addr): Likewise.
14336         (chkp_gather_checks_info): Likewise.
14337         (chkp_get_check_result): Likewise.
14338         (chkp_remove_check_if_pass): Likewise.
14339         (chkp_use_outer_bounds_if_possible): Likewise.
14340         (chkp_reduce_bounds_lifetime): Likewise.
14341         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
14342         (chkp_mark_completed_bounds): Likewise.
14343         (chkp_register_incomplete_bounds): Likewise.
14344         (chkp_mark_invalid_bounds): Likewise.
14345         (chkp_maybe_copy_and_register_bounds): Likewise.
14346         (chkp_build_returned_bound): Likewise.
14347         (chkp_get_bound_for_parm): Likewise.
14348         (chkp_build_bndldx): Likewise.
14349         (chkp_get_bounds_by_definition): Likewise.
14350         (chkp_generate_extern_var_bounds): Likewise.
14351         (chkp_get_bounds_for_decl_addr): Likewise.
14352         * tree-chrec.c (chrec_apply): Likewise.
14353         * tree-data-ref.c (dump_data_reference): Likewise.
14354         (dump_subscript): Likewise.
14355         (dump_data_dependence_relation): Likewise.
14356         (analyze_overlapping_iterations): Likewise.
14357         * tree-inline.c (expand_call_inline): Likewise.
14358         (tree_function_versioning): Likewise.
14359         * tree-into-ssa.c (dump_defs_stack): Likewise.
14360         (dump_currdefs): Likewise.
14361         (dump_names_replaced_by): Likewise.
14362         (dump_update_ssa): Likewise.
14363         (update_ssa): Likewise.
14364         * tree-object-size.c (pass_object_sizes::execute): Likewise.
14365         * tree-parloops.c (build_new_reduction): Likewise.
14366         (try_create_reduction_list): Likewise.
14367         (ref_conflicts_with_region): Likewise.
14368         (oacc_entry_exit_ok_1): Likewise.
14369         (oacc_entry_exit_single_gang): Likewise.
14370         * tree-pretty-print.h: Likewise.
14371         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
14372         (get_scalar_evolution): Likewise.
14373         (add_to_evolution): Likewise.
14374         (get_loop_exit_condition): Likewise.
14375         (analyze_evolution_in_loop): Likewise.
14376         (analyze_initial_condition): Likewise.
14377         (analyze_scalar_evolution): Likewise.
14378         (instantiate_scev): Likewise.
14379         (number_of_latch_executions): Likewise.
14380         (gather_chrec_stats): Likewise.
14381         (final_value_replacement_loop): Likewise.
14382         (scev_const_prop): Likewise.
14383         * tree-sra.c (dump_access): Likewise.
14384         (disqualify_candidate): Likewise.
14385         (create_access): Likewise.
14386         (reject): Likewise.
14387         (maybe_add_sra_candidate): Likewise.
14388         (create_access_replacement): Likewise.
14389         (analyze_access_subtree): Likewise.
14390         (analyze_all_variable_accesses): Likewise.
14391         (sra_modify_assign): Likewise.
14392         (initialize_constant_pool_replacements): Likewise.
14393         (find_param_candidates): Likewise.
14394         (decide_one_param_reduction): Likewise.
14395         (replace_removed_params_ssa_names): Likewise.
14396         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
14397         * tree-ssa-copy.c (dump_copy_of): Likewise.
14398         (copy_prop_visit_cond_stmt): Likewise.
14399         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
14400         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
14401         (record_equivalences_from_stmt): Likewise.
14402         * tree-ssa-dse.c (compute_trims): Likewise.
14403         (delete_dead_call): Likewise.
14404         (delete_dead_assignment): Likewise.
14405         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
14406         (forward_propagate_into_cond): Likewise.
14407         (pass_forwprop::execute): Likewise.
14408         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
14409         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
14410         Likewise.
14411         (move_computations_worker): Likewise.
14412         (execute_sm): Likewise.
14413         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
14414         (remove_exits_and_undefined_stmts): Likewise.
14415         (remove_redundant_iv_tests): Likewise.
14416         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
14417         (adjust_iv_update_pos): Likewise.
14418         * tree-ssa-math-opts.c (bswap_replace): Likewise.
14419         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
14420         (value_replacement): Likewise.
14421         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
14422         * tree-ssa-pre.c (print_pre_expr): Likewise.
14423         (get_representative_for): Likewise.
14424         (create_expression_by_pieces): Likewise.
14425         (insert_into_preds_of_block): Likewise.
14426         (eliminate_insert): Likewise.
14427         (eliminate_dom_walker::before_dom_children): Likewise.
14428         (eliminate): Likewise.
14429         (remove_dead_inserted_code): Likewise.
14430         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
14431         * tree-ssa-reassoc.c (get_rank): Likewise.
14432         (eliminate_duplicate_pair): Likewise.
14433         (eliminate_plus_minus_pair): Likewise.
14434         (eliminate_not_pairs): Likewise.
14435         (undistribute_ops_list): Likewise.
14436         (eliminate_redundant_comparison): Likewise.
14437         (update_range_test): Likewise.
14438         (optimize_range_tests_var_bound): Likewise.
14439         (optimize_vec_cond_expr): Likewise.
14440         (rewrite_expr_tree): Likewise.
14441         (rewrite_expr_tree_parallel): Likewise.
14442         (linearize_expr): Likewise.
14443         (break_up_subtract): Likewise.
14444         (linearize_expr_tree): Likewise.
14445         (attempt_builtin_powi): Likewise.
14446         (attempt_builtin_copysign): Likewise.
14447         (transform_stmt_to_copy): Likewise.
14448         (transform_stmt_to_multiply): Likewise.
14449         (dump_ops_vector): Likewise.
14450         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
14451         (print_scc): Likewise.
14452         (set_ssa_val_to): Likewise.
14453         (visit_reference_op_store): Likewise.
14454         (visit_use): Likewise.
14455         (sccvn_dom_walker::before_dom_children): Likewise.
14456         (run_scc_vn): Likewise.
14457         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
14458         Likewise.
14459         (expr_hash_elt::print): Likewise.
14460         (const_and_copies::pop_to_marker): Likewise.
14461         (const_and_copies::record_const_or_copy_raw): Likewise.
14462         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
14463         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
14464         (dump_predicates): Likewise.
14465         (find_uninit_use): Likewise.
14466         (warn_uninitialized_phi): Likewise.
14467         (pass_late_warn_uninitialized::execute): Likewise.
14468         * tree-ssa.c (verify_vssa): Likewise.
14469         (verify_ssa): Likewise.
14470         (maybe_optimize_var): Likewise.
14471         * tree-vrp.c (dump_value_range): Likewise.
14472         (dump_all_value_ranges): Likewise.
14473         (dump_asserts_for): Likewise.
14474         (register_edge_assert_for_2): Likewise.
14475         (vrp_visit_cond_stmt): Likewise.
14476         (vrp_visit_switch_stmt): Likewise.
14477         (vrp_visit_stmt): Likewise.
14478         (vrp_visit_phi_node): Likewise.
14479         (simplify_cond_using_ranges_1): Likewise.
14480         (fold_predicate_in): Likewise.
14481         (evrp_dom_walker::before_dom_children): Likewise.
14482         (evrp_dom_walker::push_value_range): Likewise.
14483         (evrp_dom_walker::pop_value_range): Likewise.
14484         (execute_early_vrp): Likewise.
14485
14486 2017-05-16  Richard Biener  <rguenther@suse.de>
14487
14488         * dwarf2out.c (loc_list_from_tree_1): Do not create
14489         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
14490
14491 2017-05-16  Richard Biener  <rguenther@suse.de>
14492
14493         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
14494         just generated.
14495         (note_variable_value_in_expr): If we resolved the decl ref
14496         do not push to the stack.
14497
14498 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
14499
14500         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
14501         operations in fast-math mode.
14502         (vaddq_f16): Likewise.
14503         (vmul_f16): Likewise.
14504         (vmulq_f16): Likewise.
14505         (vsub_f16): Likewise.
14506         (vsubq_f16): Likewise.
14507         * config/arm/neon.md (add<mode>3): New.
14508         (sub<mode>3): New.
14509         (fma:<VH:mode>3): New.  Also remove outdated comment.
14510         (mul<mode>3): New.
14511
14512 2017-05-16  Martin Liska  <mliska@suse.cz>
14513
14514         PR ipa/79849.
14515         PR ipa/79850.
14516         * ipa-devirt.c (warn_types_mismatch): Fix typo.
14517         (odr_types_equivalent_p): Likewise.
14518
14519 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
14520
14521         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
14522
14523 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
14524
14525         PR target/80425
14526         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
14527         non-interunit SSE move alternatives with '?'.
14528         (zero-extendsidi peephole2): New peephole to skip intermediate
14529         general register in SSE zero-extend sequence.
14530
14531 2017-05-15  Jeff Law  <law@redhat.com>
14532
14533         * reorg.c (relax_delay_slots): Create a new variable to hold
14534         the temporary target rather than clobbering TARGET_LABEL.
14535
14536         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
14537         missing argument to extract_bit_field call.
14538         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
14539
14540 2017-05-15  Martin Liska  <mliska@suse.cz>
14541
14542         PR driver/31468
14543         * gcc.c (process_command): Do not allow empty argument of -o option.
14544
14545 2017-05-15  Renlin Li  <renlin.li@arm.com>
14546
14547         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
14548         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
14549         * config/aarch64/constraints.md (Usf): Add long call check.
14550         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
14551         (call_value): Likewise.
14552         (sibcall): Likewise.
14553         (sibcall_value): Likewise.
14554         (call_insn): New.
14555         (call_value_insn): New.
14556         (sibcall_insn): Update rtx pattern.
14557         (sibcall_value_insn): Likewise.
14558         (call_internal): Remove.
14559         (call_value_internal): Likewise.
14560         (sibcall_internal): Likewise.
14561         (sibcall_value_internal): Likewise.
14562         (call_reg): Likewise.
14563         (call_symbol): Likewise.
14564         (call_value_reg): Likewise.
14565         (call_value_symbol): Likewise.
14566
14567 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
14568
14569         PR target/80600
14570         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
14571
14572 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
14573
14574         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
14575         compatible with CCGOCmode and with CCZmode.
14576
14577 2017-05-14  Martin Sebor  <msebor@redhat.com>
14578
14579         PR middle-end/77671
14580         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
14581         (gimple_fold_builtin_snprintf): Same.
14582         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
14583         (gimple_fold_builtin_snprintf): Same.
14584         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
14585         of character types.
14586         (is_call_safe): New function.
14587         (try_substitute_return_value): Call it.
14588         (try_simplify_call): New function.
14589         (pass_sprintf_length::handle_gimple_call): Call it.
14590
14591 2017-05-14  Martin Sebor  <msebor@redhat.com>
14592
14593         PR middle-end/80669
14594         * builtins.c (expand_builtin_stpncpy): Simplify.
14595
14596 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
14597
14598         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
14599         * config/i386/i386.h
14600         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
14601         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
14602         (struct machine_function): Add new members call_ms2sysv,
14603         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
14604         (struct machine_frame_state): New fields sp_realigned and
14605         sp_realigned_offset.
14606         * config/i386/i386.c
14607         (enum xlogue_stub): New enum.
14608         (enum xlogue_stub_sets): New enum.
14609         (class xlogue_layout): New class.
14610         (struct ix86_frame): New fields stack_realign_allocate_offset,
14611         stack_realign_offset and outlined_save_offset.  Modify comments to
14612         detail stack layout when using out-of-line stubs.
14613         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
14614         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
14615         -mcall-ms2sysv-xlogues.
14616         (stub_managed_regs): New static variable.
14617         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
14618         registers managed by out-of-line stub.
14619         (disable_call_ms2sysv_xlogues): New function.
14620         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
14621         m->call_ms2sysv when appropriate and compute frame layout for
14622         out-of-line stubs.
14623         (sp_valid_at, fp_valid_at): New inline functions.
14624         (choose_basereg): New function.
14625         (choose_baseaddr): Add align parameter, use choose_basereg and modify
14626         all callers.
14627         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
14628         Use align parameter of choose_baseaddr to generated aligned SSE movs
14629         when possible.
14630         (pro_epilogue_adjust_stack): Modify to track
14631         machine_frame_state::sp_realigned.
14632         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
14633         (ix86_nsaved_sseregs): Likewise.
14634         (ix86_emit_save_regs): Likewise.
14635         (ix86_emit_save_regs_using_mov): Likewise.
14636         (ix86_emit_save_sse_regs_using_mov): Likewise.
14637         (get_scratch_register_on_entry): Likewise.
14638         (gen_frame_set): New function.
14639         (gen_frame_load): Likewise.
14640         (gen_frame_store): Likewise.
14641         (emit_outlined_ms2sysv_save): Likewise.
14642         (emit_outlined_ms2sysv_restore): Likewise.
14643         (ix86_expand_prologue): Modify stack re-alignment code and call
14644         emit_outlined_ms2sysv_save when appropriate.
14645         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
14646         parameter rtx_insn *insn, which allows the function to be used to only
14647         generate the notes.
14648         (ix86_expand_epilogue): Modify validity checks of frame and stack
14649         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
14650         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
14651         * config/i386/predicates.md
14652         (save_multiple): New predicate.
14653         (restore_multiple): Likewise.
14654         * config/i386/sse.md
14655         (save_multiple<mode>): New pattern.
14656         (save_multiple_realign<mode>): Likewise.
14657         (restore_multiple<mode>): Likewise.
14658         (restore_multiple_and_return<mode>): Likewise.
14659         (restore_multiple_leave_return<mode>): Likewise.
14660         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
14661
14662 2017-05-14  Julia Koval  <julia.koval@intel.com>
14663
14664         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
14665         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
14666         (__builtin_ia32_xsetbv): New builtins.
14667         * config/i386/i386.c (ix86_expand_special_args_builtin):
14668         Process new types.
14669         (ix86_expand_builtin): Special expand for new intrinsics.
14670         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
14671         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
14672         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
14673
14674 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14675
14676         * cfganal.c (inverted_post_order_compute): Change argument type
14677         to vec *.
14678         * cfganal.h (inverted_post_order_compute): Adjust prototype.
14679         * df-core.c (rest_of_handle_df_initialize): Adjust.
14680         (rest_of_handle_df_finish): Likewise.
14681         (df_analyze_1): Likewise.
14682         (df_analyze): Likewise.
14683         (loop_inverted_post_order_compute): Change argument to be a vec *.
14684         (df_analyze_loop): Adjust.
14685         (df_get_n_blocks): Likewise.
14686         (df_get_postorder): Likewise.
14687         * df.h (struct df_d): Change field to be a vec.
14688         * lcm.c (compute_laterin): Adjust.
14689         (compute_available): Likewise.
14690         * lra-lives.c (lra_create_live_ranges_1): Likewise.
14691         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14692         * tree-ssa-pre.c (compute_antic): Likewise.
14693
14694 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14695
14696         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
14697         (depth_first_search::depth_first_search): Change structure init
14698         function to this constructor.
14699         (depth_first_search::add_bb): Rename function to this member.
14700         (depth_first_search::execute): Likewise.
14701         (flow_dfs_compute_reverse_finish): Adjust.
14702
14703 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14704
14705         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
14706         (longest_simple_path): Likewise.
14707         * shrink-wrap.c (spread_components): Likewise.
14708         (disqualify_problematic_components): Likewise.
14709         (emit_common_heads_for_components): Likewise.
14710         (emit_common_tails_for_components): Likewise.
14711         (insert_prologue_epilogue_for_components): Likewise.
14712
14713 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14714
14715         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
14716         auto_sbitmap.
14717
14718 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14719
14720         * df-core.c (df_set_blocks): Start using auto_bitmap.
14721         (df_compact_blocks): Likewise.
14722         * df-problems.c (df_rd_confluence_n): Likewise.
14723         * df-scan.c (df_insn_rescan_all): Likewise.
14724         (df_process_deferred_rescans): Likewise.
14725         (df_update_entry_block_defs): Likewise.
14726         (df_update_exit_block_uses): Likewise.
14727         (df_entry_block_bitmap_verify): Likewise.
14728         (df_exit_block_bitmap_verify): Likewise.
14729         (df_scan_verify): Likewise.
14730         * lra-constraints.c (lra_constraints): Likewise.
14731         (undo_optional_reloads): Likewise.
14732         (lra_undo_inheritance): Likewise.
14733         * lra-remat.c (calculate_gen_cands): Likewise.
14734         (do_remat): Likewise.
14735         * lra-spills.c (assign_spill_hard_regs): Likewise.
14736         (spill_pseudos): Likewise.
14737         * tree-ssa-pre.c (bitmap_set_and): Likewise.
14738         (bitmap_set_subtract_values): Likewise.
14739
14740 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14741
14742         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
14743         management with auto_bitmap.
14744         (fix_inter_tick): Likewise.
14745         (fix_recovery_deps): Likewise.
14746         * ira.c (add_store_equivs): Likewise.
14747         (find_moveable_pseudos): Likewise.
14748         (split_live_ranges_for_shrink_wrap): Likewise.
14749         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
14750         (rtx_reuse_manager::seen_def_p): Likewise.
14751         (rtx_reuse_manager::set_seen_def): Likewise.
14752         * print-rtl.h (class rtx_reuse_manager): Likewise.
14753
14754 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14755
14756         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
14757         lifetime.
14758         (migrate_btr_def): Likewise.
14759         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
14760         * df-core.c (loop_post_order_compute): Likewise.
14761         (loop_inverted_post_order_compute): Likewise.
14762         * hsa-common.h: Likewise.
14763         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
14764         * init-regs.c (initialize_uninitialized_regs): Likewise.
14765         * ipa-inline.c (resolve_noninline_speculation): Likewise.
14766         (inline_small_functions): Likewise.
14767         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
14768         * ira.c (combine_and_move_insns): Likewise.
14769         (build_insn_chain): Likewise.
14770         * loop-invariant.c (find_invariants): Likewise.
14771         * lower-subreg.c (propagate_pseudo_copies): Likewise.
14772         * predict.c (tree_predict_by_opcode): Likewise.
14773         (predict_paths_leading_to): Likewise.
14774         (predict_paths_leading_to_edge): Likewise.
14775         (estimate_loops_at_level): Likewise.
14776         (estimate_loops): Likewise.
14777         * shrink-wrap.c (try_shrink_wrapping): Likewise.
14778         (spread_components): Likewise.
14779         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
14780         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
14781         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
14782         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
14783         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
14784         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14785         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
14786         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
14787         (mark_threaded_blocks): Likewise.
14788         (thread_through_all_blocks): Likewise.
14789         * tree-ssa.c (verify_ssa): Likewise.
14790         (execute_update_addresses_taken): Likewise.
14791         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
14792
14793 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14794
14795         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
14796         auto_vec.
14797         (post_order_compute): Likewise.
14798         (inverted_post_order_compute): Likewise.
14799         (pre_and_rev_post_order_compute_fn): Likewise.
14800
14801 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14802
14803         * genrecog.c (int_set::int_set): Explicitly construct our
14804         auto_vec base class.
14805         * vec.h (auto_vec::auto_vec): New constructor.
14806
14807 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14808
14809         * bitmap.h (class auto_bitmap): New constructor taking
14810         bitmap_obstack * argument.
14811
14812 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
14813
14814         * bitmap.h (class auto_bitmap): Change type of m_bits to
14815         bitmap_head, and adjust ctor / dtor and member operators.
14816
14817 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
14818
14819         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
14820         when returned register mode doesn't match original mode.
14821
14822 2017-05-12  Jeff Law  <law@redhat.com>
14823             Jakub Jelinek  <jakub@redhat.com>
14824
14825         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
14826         we look for cc setter after the compare-elim changes.
14827         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
14828         within the vector to match what compare-elim now expects.
14829         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
14830         (xorsi3_flags, one_cmplsi2_flags): Likewise.
14831
14832         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
14833         after the compare-elim changes.
14834         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
14835         the vector to match what compare-elim now expects.
14836         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
14837         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
14838         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
14839         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
14840         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
14841
14842         * config/visium/visium.c (single_set_and_flags): Fix where
14843         we look for cc setter after the compare-elim changes.
14844         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
14845         with the vector to match what compare-elim now expects.
14846         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
14847         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
14848         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
14849         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
14850         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
14851         (neg<mode>2_insn_set_overflow): Likewise.
14852
14853 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
14854
14855         PR middle-end/79794
14856         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
14857         maybe_expand_insn call, set ops[0].target.  If still set after call,
14858         set alt_rtl.  Add extra arg to recursive calls.
14859         (extract_bit_field): Add alt_rtl argument.  Pass to
14860         extract_bit_field.
14861         * expmed.h (extract_bit_field): Fix prototype.
14862         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
14863         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
14864         to extract_bit_field_calls.
14865         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
14866         Pass alt_rtl to extract_bit_field calls.
14867         * calls.c (store_unaligned_arguments_into_psuedos)
14868         load_register_parameters): Pass extra NULL to extract_bit_field calls.
14869         * optabs.c (maybe_legitimize_operand): Clear op->target when call
14870         gen_reg_rtx.
14871         * optabs.h (struct expand_operand): Add target bitfield.
14872
14873 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
14874
14875         * compare-elim.c (try_eliminate_compare): Canonicalize
14876         operation with embedded compare to
14877         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
14878          (set (reg) (operation)].
14879
14880         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
14881
14882 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
14883
14884         PR target/80723
14885         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
14886         cost of adding a carry flag for ADC instruction.
14887         [case MINUS]: Ignore the cost of subtracting a carry flag
14888         for SBB instruction.
14889
14890 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
14891
14892         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
14893         and x86intrin.h
14894         * config/rs6000/bmiintrin.h: New file.
14895         * config/rs6000/bmi2intrin.h: New file.
14896         * config/rs6000/x86intrin.h: New file.
14897
14898 2017-05-12  Jeff Law  <law@redhat.com>
14899
14900         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
14901         markers.
14902
14903 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
14904
14905         PR middle-end/80707
14906         * tree-cfg.c: Remove cfg edges of unreachable case statements.
14907
14908 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14909
14910         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
14911         early expansion of vector divide builtins.
14912         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
14913         builtins identified as having unsigned arguments.
14914
14915 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14916
14917         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
14918         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
14919         expansion of vector logical operations (and, andc, or, xor,
14920         nor, orc, nand).
14921
14922 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14923
14924         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
14925         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
14926
14927 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
14928
14929         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
14930         early GIMPLE expansion of vector multiplies.
14931
14932 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
14933
14934         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
14935         TARGET_HAVE_MOVT conditional.
14936         (movt splitter): Likewise.
14937
14938 2017-05-12  Richard Biener  <rguenther@suse.de>
14939
14940         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
14941         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14942         Fold all stmts not inplace.
14943
14944 2017-05-12  Richard Biener  <rguenther@suse.de>
14945
14946         PR tree-optimization/80713
14947         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
14948         inserted_exprs bit for not removed stmts.
14949
14950 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
14951
14952         PR middle-end/69921
14953         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
14954         parallelized" attribute for parallelized OpenACC kernels.
14955         * omp-offload.c (execute_oacc_device_lower): Use it.
14956
14957         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
14958         Set "oacc kernels" attribute.
14959         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
14960         parameter.  Adjust all users.
14961         (oacc_fn_attrib_kernels_p): Remove function.
14962         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
14963         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
14964         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
14965         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
14966         assert "oacc kernels" attribute is set.
14967
14968 2017-05-11  Carl Love  <cel@us.ibm.com>
14969
14970         * config/rs6000/rs6000-c: Add support for built-in functions
14971         vector unsigned char vec_popcnt (vector signed char)
14972         vector unsigned char vec_popcnt (vector unsigned char)
14973         vector unsigned short vec_popcnt (vector signed short)
14974         vector unsigned short vec_popcnt (vector unsigned short)
14975         vector unsigned int vec_popcnt (vector signed int)
14976         vector unsigned int vec_popcnt (vector unsigned int)
14977         vector unsigned long long vec_popcnt (vector signed long long)
14978         vector unsigned long long vec_popcnt (vector unsigned long long)
14979         vector signed long long vec_slo (vector signed long long,
14980                                          vector signed char)
14981         vector signed long long vec_slo (vector signed long long,
14982                                          vector unsigned char)
14983         vector unsigned long long vec_slo (vector unsigned long long,
14984                                            vector signed char)
14985         vector unsigned long long vec_slo (vector unsigned long long,
14986                                            vector unsigned char)
14987         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
14988         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
14989         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
14990         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
14991         * doc/extend.texi: Update the built-in documentation file for the
14992         new built-in functions.
14993
14994 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
14995
14996         * attribs.h (sorted_attr_string): Move machine independent
14997         functions for target clone support from the i386 port to common
14998         code.  Rename ix86_function_versions to common_function_versions.
14999         Rename make_name to make_unique_name.
15000         (common_function_versions): Likewise.
15001         (make_unique_name): Likewise.
15002         (make_dispatcher_decl): Likewise.
15003         (is_function_default_version): Likewise.
15004         * attribs.c (attr_strcmp): Likewise.
15005         (sorted_attr_string): Likewise.
15006         (common_function_versions): Likewise.
15007         (make_unique_name): Likewise.
15008         (make_dispatcher_decl): Likewise.
15009         (is_function_default_version): Likewise.
15010         * config/i386/i386.c (attr_strcmp): Likewise.
15011         (sorted_attr_string): Likewise.
15012         (ix86_function_versions): Likewise.
15013         (make_name): Likewise.
15014         (make_dispatcher_decl): Likewise.
15015         (is_function_default_version): Likewise.
15016         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
15017
15018 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15019
15020         PR target/80695
15021         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
15022         Account for direct move costs for vec_construct of integer
15023         vectors.
15024
15025 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
15026
15027         PR target/80706
15028         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
15029         (UNSPEC_STX_ATOMIC): Ditto.
15030         (loaddi_via_sse): New insn.
15031         (storedi_via_sse): Ditto.
15032         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
15033         Update corresponding peephole2 patterns.
15034         (atomic_storedi_fpu): Ditto.
15035
15036 2017-05-11  Julia Koval  <julia.koval@intel.com>
15037
15038         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
15039         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
15040         New intrinsics.
15041         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
15042         (__builtin_ia32_rsqrt14ss_mask): New builtins.
15043         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
15044
15045 2017-05-11  Nathan Sidwell  <nathan@acm.org>
15046
15047         * graphite-poly.c: Include dumpfile.h.
15048
15049         * dumpfle.h (dump_function): Declare here ...
15050         * tree-dump.h (dump_function): ... not here.
15051         * dumpfile.c: #include tree-cfg.h.
15052         (dump_function): Move here from ...
15053         * tree-dump.c (dump_function): ... here.
15054         * gimplify.c: #include splay-tree.h, not tree-dump.h.
15055         * graphite-poly.c: Don't include tree-dump.h.
15056         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
15057         * print-tree.c: Likewise.
15058         * stor-layout.c: Likewise.
15059         * tree-nested.c: Likewise.
15060
15061         * dumpfile.c (dump_start): Use TDF_FLAGS.
15062         (dump_enable_all): Fix TDF_KIND check thinko.
15063
15064 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15065
15066         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
15067         array entries to represent two legal parameterizations of the
15068         overloaded __builtin_cmpb function, as represented by the
15069         P6_OV_BUILTIN_CMPB constant.
15070         (altivec_resolve_overloaded_builtin): Add special case handling
15071         for the __builtin_cmpb function, as represented by the
15072         P6_OV_BUILTIN_CMPB constant.
15073         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
15074         (BU_P6_64BIT_2): New macro.
15075         (BU_P6_OVERLOAD_2): New macro
15076         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
15077         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
15078         (CMPB): Add overload support to represent both 32-bit and 64-bit
15079         compare-bytes function.
15080         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15081         support for TARGET_CMPB.
15082         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
15083         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
15084         documentation of the __builtin_cmpb overloaded built-in function.
15085
15086 2017-05-11  Richard Biener  <rguenther@suse.de>
15087
15088         PR tree-optimization/80705
15089         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
15090         bases are not vectorizable.
15091
15092 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15093
15094         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
15095         when counting register pressure.
15096
15097 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15098
15099         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
15100         (iv_ca_more_deps): Renamed to ...
15101         (iv_ca_compare_deps): ... this.
15102         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
15103
15104 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15105
15106         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
15107         to ...
15108         (determine_group_iv_costs): ... here.
15109         (find_inv_vars_cb): Record inv var if it's not recorded before.
15110
15111 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15112
15113         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
15114         (get_shiftadd_cost): Ditto.
15115
15116 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15117
15118         * tree-ssa-address.c: Include header file.
15119         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
15120         address.
15121         (add_to_parts): Refactor.
15122         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
15123         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
15124         in new order.
15125
15126 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15127
15128         PR tree-optimization/53090
15129         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
15130         COMP_IV_EXPR_2.
15131         (extract_cond_operands): Detect condition with IV on both sides
15132         and return COMP_IV_EXPR_2.
15133         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
15134         (rewrite_use_compare): Simplify by removing call to function
15135         extract_cond_operands.
15136
15137 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15138
15139         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
15140         (extract_cond_operands): Detect condition comparing against non-
15141         invariant bound and return appropriate enum value.
15142         (find_interesting_uses_cond): Update use of extract_cond_operands.
15143         Handle its return value accordingly.
15144         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
15145
15146 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15147
15148         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
15149         nonlinear iv_use computation in loop invariant sensitive way.
15150
15151 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15152
15153         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
15154         (find_iv_candidates): Call relate_compare_use_with_all_cands.
15155
15156 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15157
15158         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
15159         (dump_cand): Support iv_cand.inv_exprs.
15160         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
15161         for candidates.
15162         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
15163         iv_cand.inv_exprs.
15164
15165 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15166
15167         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
15168         from ...
15169         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
15170         as local function.  Include necessary header files.
15171         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
15172
15173 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15174
15175         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
15176
15177 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15178
15179         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
15180         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
15181         RSHIFT_EXPR and BIT_NOT_EXPR.
15182
15183 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15184
15185         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
15186         (adjust_setup_cost): New parameter supporting round up adjustment.
15187         (struct address_cost_data): Delete.
15188         (force_expr_to_var_cost): Don't bound cost with spill_cost.
15189         (split_address_cost, ptr_difference_cost): Delete.
15190         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
15191         (struct ainc_cost_data): New struct.
15192         (get_address_cost_ainc): New function.
15193         (get_address_cost, get_computation_cost): Reimplement.
15194         (determine_group_iv_cost_address): Record inv_expr for all uses of
15195         a group.
15196         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
15197         (iv_ca_has_deps): Reimplemented to ...
15198         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
15199         than OLD_CP.
15200         (iv_ca_extend): Call iv_ca_more_deps.
15201
15202 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15203
15204         * tree-ssa-address.c (struct mem_address): Move to header file.
15205         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
15206         * tree-ssa-address.h (struct mem_address): Move from C file.
15207         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
15208
15209 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15210
15211         * tree-affine.h (aff_combination_type): New interface.
15212         (aff_combination_zero_p): Remove static.
15213         (aff_combination_const_p): New interface.
15214         (aff_combination_singleton_var_p): New interfaces.
15215
15216 2017-05-11  Richard Biener  <rguenther@suse.de>
15217
15218         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
15219         Skip unreachable blocks and destinations.
15220         (eliminate): Move stmt removal and fixup ...
15221         (fini_eliminate): ... here.  Skip inserted exprs.
15222         (pass_pre::execute): Move fini_pre after fini_eliminate.
15223         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
15224         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
15225         PRE to get rid of dead code that has invalid SSA form and
15226         split critical edges again.
15227
15228 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
15229
15230         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
15231
15232 2017-05-11  Richard Biener  <rguenther@suse.de>
15233
15234         * passes.c (execute_function_todo): Verify loops if they are
15235         said to be up-to-date.
15236         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
15237         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
15238
15239 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
15240
15241         PR target/80090
15242         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
15243         handle calling assemble_external ourself.
15244
15245         PR target/79027
15246         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
15247         modes with zero size.  Enhance comment.
15248
15249 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15250
15251         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
15252         built-ins for vec_xl and vec_xst with short and char pointer
15253         arguments.
15254
15255 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
15256
15257         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
15258         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
15259         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
15260         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
15261         (_mm_maskz_min_round_ss): New intrinsics.
15262         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
15263         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
15264         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
15265         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
15266         (__builtin_ia32_minss_mask_round): New builtins.
15267         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
15268         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
15269         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
15270         Rename to ...
15271         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
15272         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
15273         Change to ...
15274         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
15275         ... this.
15276
15277 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
15278
15279         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
15280         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
15281         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
15282         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
15283         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
15284         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
15285         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
15286         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
15287         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
15288         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
15289         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
15290         (__builtin_ia32_mulss_mask_round): New builtins.
15291         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
15292         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
15293         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
15294         Rename to ...
15295         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
15296         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
15297         Change to ...
15298         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
15299         ... this.
15300
15301 2017-05-10  Julia Koval  <julia.koval@intel.com>
15302
15303         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
15304         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
15305         (_mm256_setr_m128i): New intrinsics.
15306
15307 2017-05-10  Julia Koval  <julia.koval@intel.com>
15308
15309         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
15310         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
15311         (_mm_maskz_rcp14_ss): New intrinsics.
15312         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
15313         (__builtin_ia32_rcp14ss_mask): New builtins.
15314         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
15315
15316 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
15317
15318         PR tree-optimization/51513
15319         * tree-cfg.c (gimple_seq_unreachable_p): New function.
15320         (assert_unreachable_fallthru_edge_p): Use it.
15321         (group_case_labels_stmt): Likewise.
15322         * tree-cfg.h: Prototype it.
15323         * stmt.c: Include cfghooks.h and tree-cfg.h.
15324         (emit_case_dispatch_table) <gap_label>: New local variable.
15325         Use it to fill dispatch table gaps.
15326         Test for default_label before updating probabilities.
15327         (expand_case) <default_label>: Remove unneeded initialization.
15328         Test for unreachable default case statement and remove its edge.
15329         Set default_label accordingly.
15330         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
15331
15332 2017-05-10  Carl Love  <cel@us.ibm.com>
15333
15334         * config/rs6000/rs6000-c: Add support for built-in functions
15335         vector signed char      vec_neg (vector signed char)
15336         vector signed short int vec_neg (vector short int)
15337         vector signed int       vec_neg (vector signed int)
15338         vector signed long long vec_neg (vector signed long long)
15339         vector float            vec_neg (vector float)
15340         vector double           vec_neg (vector double)
15341         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
15342         overload.
15343         * config/rs6000/altivec.h: Add define for vec_neg
15344         * doc/extend.texi: Update the built-in documentation for the
15345         new built-in functions.
15346
15347 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
15348
15349         PR tree-optimization/77644
15350         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
15351
15352 2017-05-10  Nathan Sidwell  <nathan@acm.org>
15353
15354         * dumpfile.h (TDI_lang_all): New.
15355         (TDF_KIND): New. Renumber others
15356         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
15357         than bits.
15358         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
15359         lang-all.
15360         (get_dump_file_name): Adjust suffix generation.
15361         (dump_enable_all): Use TDF_KIND.
15362         * doc/invoke.texi (-fdump-lang-all): Document.
15363
15364         * dumpfile.h: Tabify.
15365
15366 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
15367
15368         PR target/80671
15369         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
15370         Move member access before delete.
15371
15372 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
15373
15374         * tree-inline.c (expand_call_inline): Split block at stmt
15375         before the call.
15376
15377 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
15378
15379         PR target/68163
15380         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
15381         are now unused after splitting mov{sf,sd}_hardfloat.
15382         (f32_lr2): Likewise.
15383         (f32_lm): Likewise.
15384         (f32_lm2): Likewise.
15385         (f32_li): Likewise.
15386         (f32_li2): Likewise.
15387         (f32_lv): Likewise.
15388         (f32_sr): Likewise.
15389         (f32_sr2): Likewise.
15390         (f32_sm): Likewise.
15391         (f32_sm2): Likewise.
15392         (f32_si): Likewise.
15393         (f32_si2): Likewise.
15394         (f32_sv): Likewise.
15395         (f32_dm): Likewise.
15396         (f32_vsx): Likewise.
15397         (f32_av): Likewise.
15398         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
15399         For movsf, order stores so the VSX stores occur before the GPR
15400         store which encourages the register allocator to use a traditional
15401         FPR instead of a GPR.  For movsd, order the stores so that the GPR
15402         store comes before the VSX stores to allow the power6 to work.
15403         This is due to the power6 not having a 32-bit integer store
15404         instruction from a FPR.
15405         (movsf_hardfloat): Likewise.
15406         (movsd_hardfloat): Likewise.
15407
15408 2017-05-09  Martin Sebor  <msebor@redhat.com>
15409
15410         PR translation/80280
15411         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
15412         added in r247778.
15413
15414         PR translation/80280
15415         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
15416         data member added in r247778.
15417         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
15418
15419 2017-05-09  Nathan Sidwell  <nathan@acm.org>
15420
15421         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
15422
15423         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
15424         typedefs.
15425
15426 2017-05-09  Marek Polacek  <polacek@redhat.com>
15427
15428         * doc/invoke.texi: Fix typo.
15429
15430 2017-05-09  Richard Biener  <rguenther@suse.de>
15431
15432         * tree-vrp.c (vrp_val_is_max): Adjust comment.
15433         (vrp_val_is_min): Likewise.
15434         (set_value_range_to_value): Likewise.
15435         (set_value_range_to_nonnegative): Likewise.
15436         (gimple_assign_nonzero_p): Likewise.
15437         (gimple_stmt_nonzero_p): Likewise.
15438         (vrp_int_const_binop): Likewise.  Remove unreachable case.
15439         (adjust_range_with_scev): Adjust comments.
15440         (compare_range_with_value): Likewise.
15441         (extract_range_from_phi_node): Likewise.
15442         (test_for_singularity): Likewise.
15443
15444 2017-05-09  Richard Biener  <rguenther@suse.de>
15445
15446         * tree-vrp.c (get_single_symbol): Add assert that we don't
15447         get overflowed constants as invariant part.
15448         (compare_values_warnv): Add comment before the TREE_NO_WARNING
15449         checks.  Use wi::cmp instead of recursing for integer constants.
15450         (compare_values): Just ignore whether we assumed undefined
15451         overflow instead of failing the compare.
15452         (extract_range_for_var_from_comparison_expr): Add comment before the
15453         TREE_NO_WARNING sets.
15454         (test_for_singularity): Likewise.
15455         (extract_range_from_comparison): Do not disable optimization
15456         when we assumed undefined overflow.
15457         (extract_range_basic): Remove init of unused var.
15458
15459 2017-05-09  Richard Biener  <rguenther@suse.de>
15460
15461         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
15462         (extract_range_from_multiplicative_op_1): Adjust.
15463         (extract_range_from_binary_expr_1): Use int_const_binop.
15464
15465 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15466
15467         PR target/80101
15468         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
15469         rs6000_store_data_bypass_p in seven define_bypass directives and
15470         in several comments.
15471         * config/rs6000/rs6000-protos.h: Add prototype for
15472         rs6000_store_data_bypass_p function.
15473         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
15474         function implements slightly different (rs6000-specific) semantics
15475         than store_data_bypass_p, returning false rather than aborting
15476         with assertion error when arguments do not satisfy the
15477         requirements of store data bypass.
15478         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
15479         rs6000_store_data_bypass_p.
15480
15481 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
15482
15483         * config/xtensa/xtensa-protos.h
15484         (xtensa_initial_elimination_offset): New declaration.
15485         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
15486         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
15487         macro definition, add case for FRAME_POINTER_REGNUM when
15488         FRAME_GROWS_DOWNWARD.
15489         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
15490         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
15491         xtensa_initial_elimination_offset.
15492
15493 2017-05-08  Nathan Sidwell  <nathan@acm.org>
15494
15495         * doc/invoke.texi: Alphabetize -fdump options.
15496
15497 2017-05-08  Martin Sebor  <msebor@redhat.com>
15498
15499         PR translation/80280
15500         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
15501
15502 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15503
15504         * target.def (compute_frame_layout): New optional target hook.
15505         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
15506         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
15507         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
15508         target hook.
15509         * reload1.c (verify_initial_elim_offsets): Likewise.
15510         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
15511         (use_simple_return_p): Call arm_compute_frame_layout if needed.
15512         (arm_get_frame_offsets): Split up into this ...
15513         (arm_compute_frame_layout): ... and this function.
15514
15515 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
15516
15517         * config/aarch64/constraints.md (Usa): New constraint.
15518         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
15519
15520 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15521
15522         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
15523         with_multilib_list after it has been checked.
15524
15525 2017-05-08  Richard Biener  <rguenther@suse.de>
15526
15527         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
15528         (bitmap_set_subtract_values): Likewise.
15529
15530 2017-05-08  Richard Biener  <rguenther@suse.de>
15531
15532         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
15533         (gimple_assign_nonzero): ... this and remove strict_overflow_p
15534         argument.
15535         (gimple_stmt_nonzero_warnv_p): Rename to ...
15536         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
15537         argument.
15538         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
15539         (extract_range_basic): Adjust, do not disable propagation on
15540         strict overflow sensitive simplification.
15541         (vrp_visit_cond_stmt): Likewise.
15542
15543 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
15544
15545         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
15546         body size unconditionally.
15547
15548 2017-05-07  Jeff Law  <law@redhat.com>
15549
15550         Revert:
15551         2017-05-06  Jeff Law  <law@redhat.com>
15552         PR tree-optimization/78496
15553         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
15554         code.
15555
15556         PR tree-optimization/78496
15557         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
15558         (simplify_stmt_using_ranges): Call it.
15559         (vrp_dom_walker::before_dom_children): Extract equivalences
15560         from an ASSERT_EXPR with an equality comparison against a
15561         constant.
15562
15563 2017-05-06  Jeff Law  <law@redhat.com>
15564
15565         PR tree-optimization/78496
15566         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
15567         code.
15568
15569         PR tree-optimization/78496
15570         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
15571         (simplify_stmt_using_ranges): Call it.
15572         (vrp_dom_walker::before_dom_children): Extract equivalences
15573         from an ASSERT_EXPR with an equality comparison against a
15574         constant.
15575
15576 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
15577
15578         * lra-constraints.c (lra_copy_reg_equiv): New function.
15579         (split_reg): Use it to copy equivalence information from the
15580         original register to the spill register.
15581
15582 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
15583
15584         PR rtl-optimization/75964
15585         * simplify-rtx.c (simplify_const_relational_operation): Remove
15586         invalid handling of comparisons of integer ABS.
15587
15588 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
15589
15590         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
15591         initialize to zero.
15592         (init_regs): Remove declaration.
15593         (function_arg_advance_32): Initialize error_p as boolean variable.
15594
15595 2017-05-05  Nathan Sidwell  <nathan@acm.org>
15596
15597         * store-motion.c (remove_reachable_equiv_notes): Reformat long
15598         lines.  Use for (;;).
15599
15600 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15601
15602         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
15603         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
15604         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
15605         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
15606         VF=2 that require versioning.
15607
15608 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15609
15610         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
15611         int.
15612
15613 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15614
15615         * diagnostic.h (diagnostic_override_option_index): Convert from
15616         macro to inline function.
15617
15618 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15619
15620         * diagnostic.c (last_module_changed_p): New function.
15621         (set_last_module): New function.
15622         (diagnostic_report_current_module): Convert macro usage to
15623         the above functions.
15624         * diagnostic.h (diagnostic_context::last_module): Strengthen
15625         from const line_map * to const line_map_ordinary *.
15626         (diagnostic_last_module_changed): Delete macro.
15627         (diagnostic_set_last_module): Delete macro.
15628
15629 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15630
15631         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
15632         with diagnostic_report_diagnostic.
15633         (diagnostic_n_impl_richloc): Likewise.
15634         * diagnostic.h (report_diagnostic): Delete macro.
15635         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
15636         with diagnostic_report_diagnostic.
15637         * substring-locations.c (format_warning_va): Likewise.
15638
15639 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15640
15641         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
15642         save/restor of format_spec.  Move option-printing code to...
15643         (print_option_information): ...this new function, and
15644         reimplement by simply printing to the pretty_printer,
15645         rather than appending to the format string.
15646
15647 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
15648
15649         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
15650         handling logic into...
15651         (update_effective_level_from_pragmas): ...this new function.
15652
15653 2017-05-04  Andrew Waterman  <andrew@sifive.com>
15654
15655         * config/riscv/riscv.opt (mstrict-align): New option.
15656         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
15657         (SLOW_UNALIGNED_ACCESS): Define.
15658         (riscv_slow_unaligned_access): Declare.
15659         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
15660         field.
15661         (riscv_slow_unaligned_access): New variable.
15662         (rocket_tune_info): Set slow_unaligned_access to true.
15663         (optimize_size_tune_info): Set slow_unaligned_access to false.
15664         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
15665         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
15666         (riscv_option_override): Set riscv_slow_unaligned_access.
15667         * doc/invoke.texi: Add -mstrict-align to RISC-V.
15668
15669 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
15670
15671         * config/riscv/riscv.md: Unify indentation.
15672
15673 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
15674
15675         PR target/79038
15676         PR target/79202
15677         PR target/79203
15678         * config/rs6000/rs6000.md (u code attribute): Add FIX and
15679         UNSIGNED_FIX.
15680         (extendsi<mode>2): Add support for doing sign extension via
15681         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
15682         don't have ISA 3.0 instructions.
15683         (extendsi<mode>2 splitter): Likewise.
15684         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
15685         generate the normal insns since SImode can now go in vector
15686         registers.  Disallow the special UNSPECs needed for previous
15687         machines to hide SImode being used.  Add new insns
15688         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
15689         (fix_trunc<mode>si2_stfiwx): Likewise.
15690         (fix_trunc<mode>si2_internal): Likewise.
15691         (fixuns_trunc<mode>si2): Likewise.
15692         (fixuns_trunc<mode>si2_stfiwx): Likewise.
15693         (fctiw<u>z_<mode>_smallint): Likewise.
15694         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
15695         of floating point to 32-bit integer from doing a direct move to
15696         the GPR registers to do a store.
15697         (fctiwz_<mode>): Break long line.
15698
15699 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
15700
15701         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
15702         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
15703         (addr_list, addr_offset_valid_p): New.
15704         (split_address_groups): Check offset validity with above function.
15705         (gt-tree-ssa-loop-ivopts.h): Include header file.
15706
15707 2017-05-05  Nathan Sidwell  <nathan@acm.org>
15708
15709         * config.gcc (arm*-*-*): Add missing 'fi'.
15710
15711 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
15712
15713         * doc/invoke.texi (-fopt-info): Explicitly say order of options
15714         included in -fopt-info does not matter.
15715         * doc/optinfo.texi (-fopt-info): Fix description of default
15716         behavour. Explicitly say order of options included in -fopt-info
15717         does not matter.
15718
15719 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15720
15721         * config.gcc: Allow combinations of aprofile and rmprofile values for
15722         --with-multilib-list.
15723         * config/arm/t-multilib: New file.
15724         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
15725         variables.  Remove setting of ISA and floating-point ABI in
15726         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
15727         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
15728         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
15729         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
15730         CPU options.
15731         * config/arm/t-rmprofile: Likewise except for the matches changes.
15732         * doc/install.texi (--with-multilib-list): Document the combination of
15733         aprofile and rmprofile values and warn about pitfalls in doing that.
15734
15735 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
15736
15737         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
15738         (movdi_aarch64): Likewise.
15739
15740 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
15741
15742         PR tree-optimization/80632
15743         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
15744         field.
15745         (build_arrays): Initialize it for virtual phis.
15746         (fix_phi_nodes): Use it for virtual phis.
15747
15748         PR tree-optimization/80558
15749         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
15750         [x, y] op z into [x op, y op z] for op & or | if conditions
15751         are met.
15752
15753 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
15754             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15755
15756         PR target/71607
15757         * config/arm/arm.md (use_literal_pool): Remove.
15758         (64-bit immediate split): No longer takes cost into consideration
15759         if arm_disable_literal_pool is enabled.
15760         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
15761         used when arm_disable_literal_pool is enabled.
15762         (arm_max_const_double_inline_cost): Remove use of
15763         arm_disable_literal_pool.
15764         (push_minipool_fix): Add assert.
15765         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
15766         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
15767         (no_literal_pool_sf_immediate): New.
15768
15769 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
15770
15771         PR tree-optimization/80613
15772         * tree-ssa-dce.c (propagate_necessity): Remove cases for
15773         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
15774
15775 2017-05-05  Richard Biener  <rguenther@suse.de>
15776
15777         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
15778
15779 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
15780
15781         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
15782         of this flag from insn conditions due to removal from r247495.
15783
15784 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
15785
15786         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
15787         New function.
15788         (arm_early_store_addr_dep_ptr): Likewise.
15789         * config/arm/aarch-common-protos.h
15790         (arm_early_load_addr_dep_ptr): Add prototype.
15791         (arm_early_store_addr_dep_ptr): Likewise.
15792         * config/arm/cortex-a53.md: Add new bypasses.
15793
15794 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
15795
15796         * tree.c (next_type_uid): Change type to unsigned.
15797         (type_hash_canon): Decrement back next_type_uid if
15798         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
15799         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
15800         if possible.
15801
15802 2017-05-04  Martin Sebor  <msebor@redhat.com>
15803
15804         * builtins.c: Fix a trivial typo in a comment.
15805
15806         PR middle-end/79234
15807         * builtins.c (check_sizes): Adjust to handle reading past the end.
15808         Avoid printing excessive upper bound of ranges.  Use %E to print
15809         tree nodes instead of converting them to %wu.
15810         (expand_builtin_memchr): New function.
15811         (compute_dest_size): Rename...
15812         (compute_objsize): ...to this.
15813         (expand_builtin_memcpy): Adjust.
15814         (expand_builtin_mempcpy): Adjust.
15815         (expand_builtin_strcat): Adjust.
15816         (expand_builtin_strcpy): Adjust.
15817         (check_strncat_sizes): Adjust.
15818         (expand_builtin_strncat): Adjust.
15819         (expand_builtin_strncpy): Adjust and simplify.
15820         (expand_builtin_memset): Adjust.
15821         (expand_builtin_bzero): Adjust.
15822         (expand_builtin_memcmp): Adjust.
15823         (expand_builtin): Handle memcmp.
15824         (maybe_emit_chk_warning): Check strncat just once.
15825
15826 2017-05-04  Martin Sebor  <msebor@redhat.com>
15827
15828         PR preprocessor/79214
15829         PR middle-end/79222
15830         PR middle-end/79223
15831         * builtins.c (check_sizes): Add inlining context and issue
15832         warnings even when -Wno-system-headers is set.
15833         (check_strncat_sizes): Same.
15834         (expand_builtin_strncat): Same.
15835         (expand_builtin_memmove): New function.
15836         (expand_builtin_stpncpy): Same.
15837         (expand_builtin): Handle memmove and stpncpy.
15838
15839 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
15840
15841         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
15842         which is not used any more.
15843
15844 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15845
15846         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
15847
15848 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15849
15850         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
15851         (cortexa53_tunings): Likewise.
15852         (cortexa57_tunings): Likewise.
15853         (cortexa72_tunings): Likewise.
15854         (cortexa73_tunings): Likewise.
15855
15856 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15857
15858         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
15859         Set loop alignment to 8.
15860
15861 2017-05-04  Martin Sebor  <msebor@redhat.com>
15862
15863         PR translation/80280
15864         * builtins.c (expand_builtin_object_size): Add missing quoting to
15865         %D and like directives.
15866         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
15867         (hsa_type_for_tree_type): Same.
15868         (verify_function_arguments): Same.
15869         * symtab.c (symbol_table::change_decl_assembler_name): Same.
15870         * varasm.c (get_section): Same.
15871         (mark_weak): Same.
15872
15873 2017-05-04  Martin Sebor  <msebor@redhat.com>
15874
15875         PR translation/80280
15876         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
15877
15878 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
15879
15880         * config/aarch64/aarch64.c (generic_addrcost_table):
15881         Change HI/TI mode setting.
15882
15883 2017-05-04  Martin Jambor  <mjambor@suse.cz>
15884
15885         PR tree-optimization/80622
15886         * tree-sra.c (comes_initialized_p): New function.
15887         (build_accesses_from_assign): Only set write lazily when
15888         comes_initialized_p is false.
15889         (analyze_access_subtree): Use comes_initialized_p.
15890         (propagate_subaccesses_across_link): Assert !comes_initialized_p
15891         instead of testing for PARM_DECL.
15892
15893 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15894
15895         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
15896         constraint on operand 0 to allow more general addressing modes.
15897         Adjust output template.
15898         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
15899         New function.
15900         * config/aarch64/aarch64-protos.h
15901         (aarch64_address_valid_for_prefetch_p): Declare prototype.
15902         * config/aarch64/constraints.md (Dp): New address constraint.
15903         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
15904         predicate.
15905
15906 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
15907
15908         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
15909         update use of estimate_ipcp_clone_size_and_time.
15910         (estimate_local_effects): Update use of
15911         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
15912         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
15913         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
15914         Return nonspecialized time.
15915
15916 2017-05-04  Richard Biener  <rguenther@suse.de>
15917
15918         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
15919         for the last VUSE which def dominates the PHI.  Directly call
15920         maybe_skip_until.
15921         (get_continuation_for_phi_1): Remove.
15922
15923 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
15924
15925         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
15926         to explain the use of truncating division.  Cap the number of
15927         iterations to the maximum given by nb_iterations_upper_bound,
15928         if defined.
15929
15930 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15931
15932         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
15933         * configure: Regenerate.
15934         * config.in: Regenerate.
15935         * config/i386/driver-mingw32.c: new file.
15936         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
15937         * config.host: Link driver-mingw32.o on MinGW host.
15938         * doc/install.texi: Document new --enable-mingw-wildcard configure
15939         option.
15940
15941 2017-05-04  Marek Polacek  <polacek@redhat.com>
15942
15943         PR tree-optimization/80612
15944         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
15945
15946 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15947             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
15948
15949         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
15950         (movt splitter): Likewise.
15951         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
15952         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
15953         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
15954         block for Thumb-1 with MOVT.
15955         (thumb2_legitimate_address_p): Move code block ...
15956         (can_avoid_literal_pool_for_label_p): ... into this new function.
15957         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
15958         literal pool.
15959         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
15960         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
15961         "M-profile targets with the MOVT instruction".
15962
15963 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
15964
15965         * config/arm/arm-builtins.c (arm_init_builtins): Rename
15966         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
15967         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
15968
15969 2017-05-04  Martin Liska  <mliska@suse.cz>
15970
15971         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
15972         variable cond_code.
15973
15974 2017-05-04  Richard Biener  <rguenther@suse.de>
15975
15976         * tree.c (array_at_struct_end_p): Handle arrays at struct
15977         end with flexarrays more conservatively.  Refactor and treat
15978         arrays of arrays or aggregates more strict.  Fix
15979         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
15980         * tree.c (array_at_struct_end_p): Adjust prototype.
15981         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
15982         * gimple-fold.c (get_range_strlen): Likewise.
15983         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
15984
15985 2017-05-04  Richard Biener  <rguenther@suse.de>
15986
15987         PR tree-optimization/31130
15988         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
15989         false.
15990         (supports_overflow_infinity): Likewise.
15991         (is_negative_overflow_infinity): Likewise.
15992         (is_positive_overflow_infinity): Likewise.
15993         (is_overflow_infinity): Likewise.
15994         (stmt_overflow_infinity): Likewise.
15995         (overflow_infinity_range_p): Likewise.
15996         (usable_range_p): Remove as always returning true.
15997         (make_overflow_infinity): Remove.
15998         (negative_overflow_infinity): Likewise.
15999         (positive_overflow_infinity): Likewise.
16000         (avoid_overflow_infinity): Likewise.
16001         (set_value_range): Adjust accordingly.
16002         (set_value_range_to_nonnegative): Likewise, remove now unused
16003         overflow_infinity arg.
16004         (vrp_operand_equal_p): Adjust.
16005         (update_value_range): Likewise.
16006         (range_int_cst_singleton_p): Likewise.
16007         (operand_less_p): Likewise.
16008         (compare_values_warnv): Likewise.
16009         (extract_range_for_var_from_comparison_expr): Likewise.
16010         (vrp_int_const_binop): Likewise.
16011         (zero_nonzero_bits_from_vr): Likewise.
16012         (extract_range_from_multiplicative_op_1): Likewise.
16013         (extract_range_from_binary_expr_1): Likewise.
16014         (extract_range_from_unary_expr): Likewise.
16015         (extract_range_from_comparison): Likewise.
16016         (extract_range_basic): Likewise.
16017         (adjust_range_with_scev): Likewise.
16018         (compare_ranges): Likewise.
16019         (compare_range_with_value): Likewise.
16020         (dump_value_range): Likewise.
16021         (test_for_singularity): Likewise, remove strict_overflow_p parameter
16022         never used.
16023         (simplify_cond_using_ranges): Adjust.
16024
16025 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
16026
16027         * brig-builtins.def: Added a builtin for class_f64.
16028         * builtin-types.def: Added a builtin type needed by class_f64.
16029
16030 2017-05-03  Jason Merrill  <jason@redhat.com>
16031
16032         * timevar.def: Add TV_CONSTEXPR.
16033
16034 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16035
16036         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
16037
16038 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16039
16040         * ipa-prop.c (ipa_update_after_lto_read): Removed.
16041         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
16042         * ipa-cp.c (ipcp_propagate_stage): Do not call
16043         ipa_update_after_lto_read.
16044         * ipa-inline.c (ipa_inline): Likewise.
16045
16046 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16047
16048         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
16049         tag.  Added a default constructor and a destructor.
16050         (ipa_edge_args_sum_t): New class;
16051         (ipa_edge_args_sum): Declare.
16052         (ipa_edge_args_vector): Remove declaration.
16053         (IPA_EDGE_REF): Use ipa_edge_args_sum.
16054         (ipa_free_edge_args_substructures): Remove declaration.
16055         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
16056         (ipa_edge_args_info_available_for_edge_p): Likewise.
16057         * ipa-prop.c (ipa_edge_args_vector): Removed.
16058         (edge_removal_hook_holder): Likewise.
16059         (edge_duplication_hook_holder): Likewise.
16060         (ipa_edge_args_sum): New variable.
16061         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
16062         ipa_edge_args_vector.
16063         (ipa_free_edge_args_substructures): Likewise.
16064         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
16065         ipa_edge_args_vector.
16066         (ipa_edge_removal_hook): Turned into method
16067         ipa_edge_args_sum_t::remove.
16068         (ipa_edge_duplication_hook): Turned into method
16069         ipa_edge_args_sum_t::duplicate.
16070         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
16071         registering edge hooks.
16072         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
16073         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
16074         ipa_edge_args_sum instead of ipa_edge_args_vector.
16075         * ipa-profile.c (ipa_profile): Likewise.
16076
16077 2017-05-03  Martin Jambor  <mjambor@suse.cz>
16078
16079         * symbol-summary.h (function_summary): New method exists.
16080         (function_summary::symtab_removal): Deallocate through release.
16081         (call_summary): New class.
16082         (gt_ggc_mx): New overload.
16083         (gt_pch_nx): Likewise.
16084         (gt_pch_nx): Likewise.
16085
16086 2017-05-03  Jeff Law  <law@redhat.com>
16087
16088         PR tree-optimization/78496
16089         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
16090         from simplify_cond_using_ranges.  Split off code to walk
16091         backwards through casts into ...
16092         (simplify_cond_using_ranges_2): New function.
16093         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
16094         (execute_vrp): After identifying jump threads, call
16095         simplify_cond_using_ranges_2.
16096
16097 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
16098
16099         PR bootstrap/80609
16100         * ipa-inline.h (inline_summary): Add ctor.
16101         (create_ggc): Do not use ggc_cleared_alloc.
16102
16103 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
16104             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16105
16106         * gcc.c (handle_braces): Support escaping in switch matching
16107         text.
16108         * doc/invoke.texi (Spec Files): Document it.
16109         Remove superfluous @code markup in items.
16110
16111 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
16112
16113         * diagnostic-show-locus.c (struct column_range): New struct.
16114         (get_affected_columns): New function.
16115         (get_printed_columns): New function.
16116         (struct correction): New struct.
16117         (correction::ensure_capacity): New function.
16118         (correction::ensure_terminated): New function.
16119         (struct line_corrections): New struct.
16120         (line_corrections::~line_corrections): New dtor.
16121         (line_corrections::add_hint): New function.
16122         (layout::print_trailing_fixits): Reimplement in terms of the new
16123         classes.
16124         (selftest::test_overlapped_fixit_printing): New function.
16125         (selftest::diagnostic_show_locus_c_tests): Call it.
16126
16127 2017-05-03  Nathan Sidwell  <nathan@acm.org>
16128
16129         Canonicalize canonical type hashing
16130         * tree.h (type_hash_canon_hash): Declare.
16131         * tree.c (type_hash_list, attribute_hash_list): Move into
16132         type_hash_canon_hash.
16133         (build_type_attribute_qual_variant): Break out hash code calc into
16134         type_hash_canon_hash.
16135         (type_hash_canon_hash): New.  Generic type hash computation.
16136         (build_range_type_1, build_array_type_1, build_function_type,
16137         build_method_type_directly, build_offset_type, build_complex_type,
16138         make_vector_type): Call it.
16139
16140 2017-05-03  Richard Biener  <rguenther@suse.de>
16141
16142         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
16143         When all DRs have unknown misaligned do not always peel
16144         when there is a store but apply the same costing model as if
16145         there were only loads.
16146
16147 2017-05-03  Richard Biener  <rguenther@suse.de>
16148
16149         Revert
16150         PR tree-optimization/80492
16151         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
16152         compare_base_decls returning dont-know properly.
16153
16154 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16155
16156         * config/arm/iterators.md (CCSI): New mode iterator.
16157         (arch): New mode attribute.
16158         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
16159         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
16160         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
16161         code iterator for success result mode.
16162         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
16163         the corresponding new insn generators.
16164
16165 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
16166
16167         Revert r247509
16168         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16169         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16170
16171 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
16172
16173         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
16174         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
16175         (DDR_A): Wrap DDR argument in brackets.
16176         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
16177         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
16178         (DDR_REVERSED_P): Likewise.
16179
16180 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
16181
16182         PR tree-optimization/79472
16183         * tree-switch-conversion.c (struct switch_conv_info): Add
16184         contiguous_range and default_case_nonstandard fields.
16185         (collect_switch_conv_info): Compute contiguous_range and
16186         default_case_nonstandard fields, don't clear final_bb if
16187         contiguous_range and only the default case doesn't have the required
16188         structure.
16189         (check_all_empty_except_final): Set default_case_nonstandard instead
16190         of failing if contiguous_range and the default case doesn't have empty
16191         block.
16192         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
16193         and only the default case doesn't have the required constants.  Skip
16194         virtual phis.
16195         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
16196         if default_case_nonstandard.
16197         (build_constructors): Build constant 1 just once.  Assert that default
16198         values aren't inserted in between cases if contiguous_range.  Skip
16199         virtual phis.
16200         (build_arrays): Skip virtual phis.
16201         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
16202         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
16203         Handle virtual phis.
16204         (gen_inbound_check): Handle default_case_nonstandard case.
16205         (process_switch): Adjust check_final_bb caller.  Call
16206         gather_default_values with the first non-default case instead of
16207         default case if default_case_nonstandard.
16208
16209 2017-05-02  Nathan Sidwell  <nathan@acm.org>
16210
16211         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
16212         check.  Fix formatting.
16213
16214 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
16215
16216         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
16217         errors when comparing specialized and unspecialized times.
16218
16219 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
16220
16221         * diagnostic-show-locus.c
16222         (layout::should_print_annotation_line_p): Make private.
16223         (layout::print_annotation_line): Make private.
16224         (layout::annotation_line_showed_range_p): Make private.
16225         (layout::show_ruler): Make private.
16226         (layout::print_source_line): Make private.  Pass in line and
16227         line_width, rather than calling location_get_source_line.  Drop
16228         returned value.
16229         (layout::print_leading_fixits): New method.
16230         (layout::print_any_fixits): Rename to...
16231         (layout::print_trailing_fixits): ...this, and make private.
16232         Don't print newline fixits.
16233         (diagnostic_show_locus): Move logic for printing one row into...
16234         (layout::print_line): ...this new function.  Move the
16235         location_get_source_line call and error-handling from
16236         print_source_line to here.  Call print_leading_fixits, and rename
16237         print_any_fixits to print_trailing_fixits.
16238         (selftest::test_fixit_insert_containing_newline): Update now that
16239         newlines are partially supported.
16240         (selftest::test_fixit_insert_containing_newline_2): New test.
16241         (selftest::test_fixit_replace_containing_newline): Update comments.
16242         (selftest::diagnostic_show_locus_c_tests): Call the new test.
16243         * edit-context.c (class added_line): New class.
16244         (class edited_line): Describe newline handling in comment.
16245         (edited_line::actually_edited_p): New method.
16246         (edited_line::print_content): Delete redundant decl.
16247         (edited_line::m_predecessors): New field.
16248         (edited_file::print_content): Call edited_line::print_content.
16249         (edited_file::print_diff): Update to support newlines.
16250         (edited_file::print_diff_hunk): Likewise.
16251         (edited_file::print_run_of_changed_lines): New function.
16252         (edited_file::print_diff_line): Convert to...
16253         (print_diff_line): ...this.
16254         (edited_file::get_effective_line_count): New function.
16255         (edited_line::edited_line): Initialize new field m_predecessors.
16256         (edited_line::~edited_line): Clean up m_predecessors.
16257         (edited_line::apply_fixit): Handle newlines.
16258         (edited_line::get_effective_line_count): New function.
16259         (edited_line::print_content): New function.
16260         (edited_line::print_diff_lines): New function.
16261         (selftest::test_applying_fixits_insert_containing_newline): New
16262         test.
16263         (selftest::test_applying_fixits_replace_containing_newline): New
16264         test.
16265         (selftest::insert_line): New function.
16266         (selftest::test_applying_fixits_multiple_lines): Add example of
16267         inserting a line.
16268         (selftest::edit_context_c_tests): Call the new tests.
16269
16270 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16271
16272         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
16273         parameter cand.  Update dump information.
16274         (get_computation_cost): Update uses.
16275
16276 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16277
16278         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
16279         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
16280         (get_computation_at, rewrite_use_address): Update use of
16281         get_computation_aff.
16282
16283 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16284
16285         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
16286         (get_computation): Delete.
16287         (get_computation_cost): Implement like get_computation_cost_at.
16288         Use get_computation_at.
16289         (get_computation_cost_at): Delete.
16290         (rewrite_use_nonlinear_expr): Use get_computation_at.
16291         (rewrite_use_compare, remove_unused_ivs): Ditto.
16292
16293 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16294
16295         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
16296
16297 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16298
16299         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
16300         (ivopts_global_cost_for_size): Rename parameter and update uses.
16301         (iv_ca_recount_cost): Update uses.
16302         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
16303         candidates seperately in n_invs and n_cands.
16304         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
16305
16306 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16307
16308         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
16309         (find_inv_vars_cb): New.
16310         (find_depends): Renamed to ...
16311         (find_inv_vars): ... this.
16312         (add_candidate_1, force_var_cost): Call find_inv_vars.
16313         (split_address_cost, determine_group_iv_cost_cond): Ditto.
16314
16315 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16316
16317         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
16318         inv_vars.  Add inv_exprs.
16319         (struct iv_cand): Rename depends_on to inv_vars.
16320         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
16321         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
16322         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
16323         (dump_cand): Dump inv_vars.
16324         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
16325         (record_invariant, find_depends, add_candidate_1): Ditto.
16326         (set_group_iv_cost, force_var_cost): Ditto.
16327         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
16328         (get_computation_cost_at, get_computation_cost): Ditto.
16329         (determine_group_iv_cost_generic): Ditto.
16330         (determine_group_iv_cost_address): Ditto.
16331         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
16332         (determine_group_iv_costs): Ditto.
16333         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
16334         (iv_ca_set_remove_invariants): Renamed to ...
16335         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
16336         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
16337         (iv_ca_set_add_invariants):  Renamed to ...
16338         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
16339         (iv_ca_set_cp): Use iv_ca_set_add_invs.
16340         (iv_ca_has_deps): Support inv_vars and inv_exprs.
16341         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
16342         (create_new_ivs): Remove useless dump.
16343
16344 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16345
16346         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
16347         iv_cand code.
16348         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
16349         (iv_ca_set_no_cp, create_new_iv): Ditto.
16350
16351 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
16352
16353         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16354
16355 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
16356
16357         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
16358         function tree_check2.
16359
16360 2017-05-02  Martin Liska  <mliska@suse.cz>
16361
16362         * doc/gcov.texi: Add missing preposition.
16363         * gcov.c (function_info::function_info): Properly fill up
16364         all member variables.
16365
16366 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
16367
16368         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
16369
16370 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
16371
16372         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
16373
16374 2017-05-02  Martin Liska  <mliska@suse.cz>
16375
16376         PR lto/77954.
16377         * lto-streamer-in.c (lto_read_tree_1): Remove
16378         LTO_STREAMER_DEBUG.
16379         * lto-streamer.c (struct tree_hash_entry): Likewise.
16380         (struct tree_entry_hasher): Likewise.
16381         (tree_entry_hasher::hash): Likewise.
16382         (tree_entry_hasher::equal): Likewise.
16383         (lto_streamer_init): Likewise.
16384         (lto_orig_address_map): Likewise.
16385         (lto_orig_address_get): Likewise.
16386         (lto_orig_address_remove): Likewise.
16387         * lto-streamer.h: Likewise.
16388         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
16389         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
16390
16391 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
16392
16393         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
16394         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
16395         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
16396         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
16397         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
16398         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
16399         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
16400         (mm_maskz_sub_ss): New intrinsics.
16401         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16402         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
16403         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
16404         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
16405         (__builtin_ia32_subss_mask_round): New builtins.
16406         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16407         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16408         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
16409         Renamed to ...
16410         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
16411         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
16412         Changed to ...
16413         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
16414         ... this.
16415
16416 2017-05-02  Martin Jambor  <mjambor@suse.cz>
16417
16418         PR tree-optimization/78687
16419         * tree-sra.c (access): New field parent.
16420         (process_subtree_disqualification): New function.
16421         (disqualify_candidate): Call it.
16422         (build_accesses_from_assign): Reset write flag if creating an
16423         assighnment link.
16424         (build_access_subtree): Fill in parent field and also prpagate
16425         down grp_write flag.
16426         (create_artificial_child_access): New parameter set_grp_write, set
16427         grp_write to its value.
16428         (propagate_subaccesses_across_link): Also propagate grp_write flag
16429         values.
16430         (propagate_all_subaccesses): Push the closest parent back to work
16431         queue if add_access_to_work_queue returned true.
16432
16433 2017-05-02  Richard Biener  <rguenther@suse.de>
16434
16435         * common.opt (fstrict-overflow): Alias negative to fwrapv.
16436         * doc/invoke.texi (fstrict-overflow): Remove all traces of
16437         -fstrict-overflow documentation.
16438         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
16439         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
16440         flag_strict_overflow.
16441         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
16442         * lto-opts.c (lto_write_options): Do not stream it.
16443         * lto-wrapper.c (merge_and_complain): Do not handle it.
16444         * opts.c (default_options_table): Do not set -fstrict-overflow.
16445         (finish_options): Likewise do not clear it when sanitizing.
16446         * simplify-rtx.c (simplify_const_relational_operation): Do not
16447         test flag_strict_overflow.
16448
16449 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
16450
16451         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
16452         using enabled attribute.
16453         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
16454         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
16455         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
16456         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
16457         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
16458         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
16459         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
16460         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
16461         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
16462         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
16463
16464 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
16465
16466         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
16467
16468 2017-05-02  Richard Biener  <rguenther@suse.de>
16469
16470         PR tree-optimization/80591
16471         Revert
16472         2017-04-10  Richard Biener  <rguenther@suse.de>
16473
16474         * tree-ssa-structalias.c (find_func_aliases): Properly handle
16475         asm inputs.
16476
16477 2017-05-02  Richard Biener  <rguenther@suse.de>
16478
16479         PR tree-optimization/80549
16480         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
16481         (cleanup_tree_cfg_noloop): Create forwarders to known loop
16482         headers if they do not have a preheader.
16483
16484 2017-05-02  Martin Liska  <mliska@suse.cz>
16485
16486         PR other/80589
16487         * common.opt: Fix typo.
16488         * doc/invoke.texi: Likewise.
16489
16490 2017-05-01  Jan Beulich  <jbeulich@suse.com>
16491
16492         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
16493         swapping, add (x,x,m,x,n) alternative.
16494
16495 2017-05-01  Nathan Sidwell  <nathan@acm.org>
16496
16497         * calls.c (combine_pending_stack_adjustment_and_call): Remove
16498         unnecessary unadjusted_alignment check.
16499
16500 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
16501
16502         PR c++/80038
16503         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
16504         operations here.
16505         * gimplify.c (gimplify_cilk_detach): New function.
16506         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
16507         * tree-core.h: Document EXPR_CILK_SPAWN.
16508         * tree.h (EXPR_CILK_SPAWN): Define.
16509
16510 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
16511
16512         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
16513         to use new fixit_hint representation, using the "replace" logic.
16514         (get_line_span_for_fixit_hint): Likewise.
16515         (layout::print_any_fixits): Likewise.
16516         (selftest::test_one_liner_many_fixits): Rename to...
16517         (selftest::test_one_liner_many_fixits_1): ...this, and update
16518         comment and expected output to reflect that the multiple fix-it
16519         hints are now consolidated into one insertion.
16520         (selftest::test_one_liner_many_fixits_2): New test.
16521         (selftest::test_diagnostic_show_locus_one_liner): Update for
16522         above.
16523         (selftest::test_fixit_consolidation): Update for fix-it API
16524         change.
16525         * diagnostic.c (print_parseable_fixits): Likewise.
16526         * edit-context.c (edited_line::m_line_events): Convert from
16527         auto_vec <line_event *> to auto_vec <line_event>.
16528         (class line_event): Convert from abstract base class to a concrete
16529         class, taking over the role of replace_event.
16530         (class insert_event): Delete.
16531         (class replace_event): Rename to class line_event.  Convert to
16532         half-open range.
16533         (edit_context::add_fixits): Reimplement.
16534         (edit_context::apply_insert): Delete.
16535         (edit_context::apply_replace): Rename to...
16536         (edit_context::apply_fixit): ...this.  Convert to half-open range.
16537         (edited_file::apply_insert): Delete.
16538         (edited_file::apply_replace): Rename to...
16539         (edited_file::apply_fixit): ...this.
16540         (edited_line::~edited_line): Drop deletion of events.
16541         (edited_line::apply_insert): Delete.
16542         (edited_line::apply_replace): Rename to...
16543         (edited_line::apply_fixit): ...this.  Convert to half-open range.
16544         Update for change to type of m_line_events.
16545         * edit-context.h (edit_context::apply_insert): Delete.
16546         (edit_context::apply_replace): Rename to...
16547         (edit_context::apply_fixit): ...this.
16548
16549 2017-05-01  Martin Sebor  <msebor@redhat.com>
16550
16551         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
16552         known.
16553
16554 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
16555
16556         PR target/68491
16557         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
16558         __get_cpuid_max returns 0.
16559         (__get_cpuid_count): Ditto.
16560
16561 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
16562
16563         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
16564         replacement expression is another instance of one of its arguments.
16565
16566 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
16567
16568         PR target/79430
16569         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
16570         check for stack push/pop autoinc.
16571         * config/i386/i386.c (ix86_agi_dependent): Return false
16572         if the only reason why modified_in_p returned true is that
16573         addr is SP based and set_insn is a push or pop.
16574
16575 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
16576
16577         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
16578         overflow check.
16579
16580 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
16581
16582         PR ipa/79224
16583         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
16584         (account_size_time): Use two predicates - exec_pred and
16585         nonconst_pred_ptr.
16586         (evaluate_conditions_for_known_args): Compute both clause and
16587         nonspec_clause.
16588         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
16589         (inline_summary_t::duplicate): Update.
16590         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
16591         separately.
16592         (compute_inline_parameters): Likewise.
16593         (estimate_edge_size_and_time): Update caluclation of time.
16594         (estimate_node_size_and_time): Compute both time and nonspecialized
16595         time.
16596         (estimate_ipcp_clone_size_and_time): Update.
16597         (inline_merge_summary): Update.
16598         (do_estimate_edge_time): Update.
16599         (do_estimate_edge_size): Update.
16600         (do_estimate_edge_hints): Update.
16601         (inline_read_section, inline_write_summary): Stream both new predicates.
16602         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
16603         as argument.
16604         (compute_inlined_call_time): Cleanup.
16605         (big_speedup_p): Update.
16606         (edge_badness): Update.
16607         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
16608         (size_time_entry): Replace predicate by exec_predicate and
16609         nonconst_predicate.
16610         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
16611         (estimate_edge_time): Return also nonspec_time.
16612         (reset_edge_growth_cache): Update.
16613
16614 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
16615
16616         PR rtl-optimization/80491
16617         * ifcvt.c (noce_process_if_block): When looking for x setter
16618         with missing else_bb, don't check only the insn right before
16619         cond_earliest, but look for the last insn that x is modified in
16620         within the same bb.
16621
16622         PR rtl-optimization/80491
16623         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
16624
16625 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
16626
16627         PR tree-optimization/80487
16628         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
16629
16630 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16631
16632         PR tree-optimization/79697
16633         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
16634         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
16635         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
16636         BUILT_IN_STRNDUP.
16637         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
16638         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
16639
16640 2017-04-28  Martin Sebor  <msebor@redhat.com>
16641
16642         PR tree-optimization/80523
16643         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
16644         (init_target_to_host_charmap, target_to_host, target_strtol10): New
16645         functions.
16646         (maybe_warn, format_directive, parse_directive): Use new functions.
16647         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
16648
16649 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
16650
16651         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
16652
16653 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16654
16655         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
16656         target_header_dir): Set correctly.
16657         * configure: Regenerated.
16658         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
16659         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
16660         instead of SYSTEM_HEADER_DIR.
16661
16662 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
16663
16664         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
16665         (estimate_local_effects): Likewise.
16666         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
16667         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
16668         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
16669         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
16670         do_estimate_edge_time, estimate_edge_time): Likewise.
16671         * ipa-inline-analysis.c (estimate_node_size_and_time,
16672         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
16673         (estimate_time_after_inlining): Remove.
16674
16675 2017-04-28  Martin Liska  <mliska@suse.cz>
16676
16677         * doc/gcov.texi: Enhance documentation of gcov.
16678
16679 2017-04-28  Martin Liska  <mliska@suse.cz>
16680
16681         * doc/gcov.texi: Sort options in alphabetic order.
16682         * doc/gcov-dump.texi: Likewise.
16683         * doc/gcov-tool.texi: Likewise.
16684         * gcov.c (print_usage): Likewise.
16685         * gcov-dump.c (print_usage): Likewise.
16686         * gcov-tool.c (print_merge_usage_message): Likewise.
16687         (print_rewrite_usage_message): Likewise.
16688         (print_overlap_usage_message): Likewise.
16689
16690 2017-04-28  Martin Liska  <mliska@suse.cz>
16691
16692         PR gcov-profile/53915
16693         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
16694
16695 2017-04-28  Martin Liska  <mliska@suse.cz>
16696
16697         PR gcov-profile/79891
16698         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
16699         is marked by compiler as living on a line.
16700         (get_cycles_count): Remove usage of the union.
16701         (output_intermediate_file): Likewise.
16702         (find_source): Fix GNU coding style.
16703         (accumulate_line_counts): Remove old non-all block mode.
16704         (output_lines): Remove usage of the union.
16705         * profile.c (output_location): Include all BBs, even if
16706         belonging to a same line (and file) as a previous BB.
16707
16708 2017-04-28  Martin Liska  <mliska@suse.cz>
16709
16710         * gcov.c (process_args): Handle new argument 'w'.
16711         (read_graph_file): Assign ID to BBs.
16712         (output_branch_count): Display BB # if verbose flag is set.
16713         (output_lines): Likewise for arcs.
16714         (print_usage): Add '--verbose' option help.
16715         * doc/gcov.texi: Document --verbose (-w) option.
16716
16717 2017-04-28  Martin Liska  <mliska@suse.cz>
16718
16719         * gcov.c (struct block_location_info): New struct.
16720         (process_file): Fill up the new structure.
16721         (read_graph_file): Replace usage of encoding by the newly added
16722         struct.
16723         (add_line_counts): Likewise.
16724         (accumulate_line_counts): Remove usage of the union.
16725         (function_info::function_info): New function.
16726         (function_info::~function_info): Likewise.
16727         (process_file): Call delete instead of release_function.
16728         (release_function): Release the function.
16729         (release_structures): Call delete instead of release_function.
16730         (solve_flow_graph): Replace usage of num_blocks.
16731         (find_exception_blocks): Likewise.
16732         (output_lines): Fix GNU coding style.
16733
16734 2017-04-28  Martin Liska  <mliska@suse.cz>
16735
16736         PR driver/56469
16737         * coverage.c (coverage_remove_note_file): New function.
16738         * coverage.h: Declare the function.
16739         * toplev.c (finalize): Clean if an error has been seen.
16740
16741 2017-04-28  Martin Liska  <mliska@suse.cz>
16742
16743         PR gcov-profile/80031
16744         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
16745         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
16746         * gcov.c (read_graph_file): Read just number of blocks.
16747         * profile.c (branch_prob): Do not stream 0 flags per a basic
16748         block.
16749
16750 2017-04-28  Martin Liska  <mliska@suse.cz>
16751
16752         * gcov-dump.c (tag_*): Add new argument to declarations.
16753         (dump_gcov_file): Likewise.
16754         (tag_blocks): Add and use new argument depth.
16755         (tag_arcs): Likewise.
16756         (tag_lines): Likewise.
16757         (tag_counters): Likewise.
16758         (tag_summary): Likewise.
16759         (dump_working_sets): Use depth to do a proper indentation.
16760
16761 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
16762
16763         PR bootstrap/80531
16764         * cgraph.h (symtab_node::debug_symtab): No longer inline.
16765         * symtab.c (symtab_node::debug_symtab): Move definition here.
16766
16767 2017-04-28  Richard Biener  <rguenther@suse.de>
16768
16769         * lto-streamer.h (LTO_major_version): Bump to 7.
16770
16771 2017-04-28  Richard Biener  <rguenther@suse.de>
16772
16773         * tree-vrp.c (assert_info): New struct.
16774         (add_assert_info): New helper.
16775         (register_edge_assert_for_2): Refactor to add asserts to a vector
16776         of assert_info.
16777         (register_edge_assert_for_1): Likewise.
16778         (register_edge_assert_for): Likewise.
16779         (finish_register_edge_assert_for): New helper actually registering
16780         asserts where live on edge.
16781         (find_conditional_asserts): Adjust.
16782         (find_switch_asserts): Likewise.
16783         (evrp_dom_walker::try_find_new_range): Generalize.
16784         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
16785
16786 2017-04-27  Marek Polacek  <polacek@redhat.com>
16787
16788         PR sanitizer/80349
16789         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
16790         arg10 and arg11 to itype.
16791
16792 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
16793
16794         * doc/extend.texi (Object Size Checking): Improve grammar.
16795
16796 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
16797
16798         PR target/80530
16799         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
16800         that the logic for permitting reciprocal estimates matches that
16801         in use_rsqrt_p.
16802
16803 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
16804
16805         PR c++/80534
16806         * tree.c (type_cache_hasher::equal): Only compare
16807         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
16808         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
16809         non-aggregate element types.
16810         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
16811         about the flag on ARRAY_TYPEs in the comment, formatting fix.
16812
16813 2017-04-27  Richard Biener  <rguenther@suse.de>
16814
16815         PR middle-end/80533
16816         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
16817         stripping ARRAY_REFs from MEM_EXPR make sure we're not
16818         keeping a reference to a trailing array.
16819
16820 2017-04-27  Richard Biener  <rguenther@suse.de>
16821
16822         PR middle-end/80539
16823         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
16824         being in loop-closed SSA form conservatively.
16825         (chrec_fold_multiply_poly_poly): Likewise.
16826
16827 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
16828
16829         PR middle-end/79665
16830         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
16831         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
16832
16833 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
16834
16835         PR target/77728
16836         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
16837         (aarch64_function_arg_alignment): Return unsigned int again, but still
16838         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
16839         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
16840         Don't emit -Wpsabi note.
16841         (aarch64_function_arg_boundary): Likewise.
16842         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
16843         caller.
16844
16845 2017-04-26  Nathan Sidwell  <nathan@acm.org>
16846
16847         * tree.h (crc32_unsigned_n): Declare.
16848         (crc32_unsigned, crc32_unsigned): Make inline.
16849         * tree.c (crc32_unsigned_bits): Replace with ...
16850         (crc32_unsigned_n): ... this.
16851         (crc32_unsigned, crc32_byte): Remove.
16852         (crc32_string): Remove unnecessary braces.
16853
16854 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
16855
16856         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
16857         * ipa-inline-analysis.c (MAX_TIME): Remove.
16858         (account_size_time): Use sreal for time.
16859         (dump_inline_summary): Update.
16860         (estimate_function_body_sizes): Update.
16861         (estimate_edge_size_and_time): Update.
16862         (estimate_calls_size_and_time): Update.
16863         (estimate_node_size_and_time): Update.
16864         (inline_merge_summary): Update.
16865         (inline_update_overall_summary): Update.
16866         (estimate_time_after_inlining): Update.
16867         (inline_read_section): Update.
16868         (inline_write_summary): Update.
16869         * ipa-inline.c (compute_uninlined_call_time): Update.
16870         (compute_inlined_call_time): Update.
16871         (recursive_inlining): Update.
16872         (inline_small_functions): Update.
16873         (dump_overall_stats): Update.
16874         * ipa-inline.h: Include sreal.h.
16875         (size_time_entry): Turn time to sreal.
16876         (inline_summary): Turn self_time nad time to sreal.
16877
16878 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
16879
16880         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
16881         data-streamer.h
16882         (sreal::stream_out, sreal::stream_in): New.
16883         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
16884
16885 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
16886
16887         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
16888         environment.
16889
16890 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
16891
16892         PR target/70799
16893         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
16894         Handle ASHIFTRT.
16895         (dimode_scalar_chain::compute_convert_gain): Ditto.
16896         (dimode_scalar_chain::make_vector_copies): Ditto.
16897         (dimode_scalar_chain::convert_reg): Ditto.
16898         (dimode_scalar_chain::convert_insn): Ditto.
16899         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
16900         (VI248_AVX512BW_1): New mode iterator.
16901         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
16902         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
16903         mode iterator.
16904
16905 2017-04-25  Martin Sebor  <msebor@redhat.com>
16906
16907         PR tree-optimization/80497
16908         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
16909         constants are representable in HOST_WIDE_INT.
16910         (parse_directive): Ditto.
16911
16912 2017-04-25  Martin Sebor  <msebor@redhat.com>
16913
16914         PR bootstrap/80486
16915         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
16916         (new_zero_array): Adjust signature.
16917         (dom_info::dom_init): Used unsigned rather that size_t.
16918         (dom_info::dom_info): Same.
16919
16920 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16921             Jakub Jelinek  <jakub@redhat.com>
16922
16923         PR target/77728
16924         * config/arm/arm.c: Include gimple.h.
16925         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
16926         returns negative, increment ncrn only if it returned positive.
16927         (arm_needs_doubleword_align): Return int instead of bool,
16928         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
16929         members, but if there is any such non-FIELD_DECL
16930         > PARM_BOUNDARY aligned decl, return -1 instead of false.
16931         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
16932         returns negative, increment nregs only if it returned positive.
16933         (arm_setup_incoming_varargs): Likewise.
16934         (arm_function_arg_boundary): Emit -Wpsabi note if
16935         arm_needs_doubleword_align returns negative, return
16936         DOUBLEWORD_ALIGNMENT only if it returned positive.
16937
16938 2017-04-25  Marek Polacek  <polacek@redhat.com>
16939
16940         PR sanitizer/80349
16941         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
16942         first argument to type.
16943
16944 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
16945
16946         PR target/80482
16947         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
16948         type checks to test for compatibility instead of equality.
16949
16950 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16951             Jakub Jelinek  <jakub@redhat.com>
16952
16953         PR target/77728
16954         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
16955         type.
16956         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
16957         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
16958         the alignment computation, but return their maximum in warn_alignment.
16959         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
16960         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
16961         is smaller.
16962         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
16963         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
16964         caller.
16965
16966 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16967
16968         * config/arc/simdext.md (dmpyh): Fix typo.
16969
16970 2017-04-25  Richard Biener  <rguenther@suse.de>
16971
16972         PR tree-optimization/80492
16973         * alias.c (compare_base_decls): Handle registers with asm
16974         specification conservatively.
16975         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
16976         compare_base_decls returning dont-know properly.
16977
16978 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16979
16980         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
16981         (legitimate_offset_address_p): New function.
16982         (arc_legitimate_address_p): Use above function.
16983
16984 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16985
16986         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
16987
16988 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16989
16990         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
16991         ACCH registers whenever they are available.
16992
16993 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16994
16995         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
16996         double regs fix when not used.
16997
16998 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
16999
17000         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
17001         core registers.
17002         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
17003         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
17004
17005 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17006
17007         * config/arc/arc.c (arc_output_addsi): Check for h-register class
17008         when emitting short ADD instructions.
17009
17010 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
17011
17012         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
17013         constraint.
17014         (cmpsi_cc_c_insn): Likewise.
17015         (cbranchsi4_scratch): Compute proper instruction length using
17016         compact_hreg_operand.
17017         * config/arc/predicates.md (compact_hreg_operand): New predicate.
17018
17019 2017-04-25  Richard Biener  <rguenther@suse.de>
17020
17021         PR middle-end/80509
17022         * passes.c (pass_manager::pass_manager): Initialize
17023         m_name_to_pass_map.
17024
17025 2017-04-25  Richard Biener  <rguenther@suse.de>
17026
17027         PR tree-optimization/79201
17028         * tree-ssa-sink.c (statement_sink_location): Handle calls.
17029
17030 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17031
17032         PR target/80464
17033         * config/s390/vector.md: Split MEM->GPR vector moves for
17034         non-s_operand addresses.
17035
17036 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17037
17038         PR target/79895
17039         * config/s390/predicates.md (reload_const_wide_int_operand): New
17040         predicate.
17041         * config/s390/s390.md ("movti"): Remove d/P alternative.
17042         ("movti_bigconst"): New pattern definition.
17043
17044 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17045
17046         PR target/80080
17047         * s390-protos.h (s390_expand_cs_hqi): Removed.
17048         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
17049         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
17050         modes as well as CCZ1mode and CCZmode.
17051         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
17052         signature of s390_emit_compare_and_swap.
17053         (s390_expand_cs_hqi): Likewise, make static.
17054         (s390_expand_cs_tdsi): Generate an explicit compare before trying
17055         compare-and-swap, in some cases.
17056         (s390_expand_cs): Wrapper function.
17057         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
17058         atomic_exchange.
17059         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
17060         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
17061         patterns for small and large integers.  Forbid symref memory operands.
17062         Move expander to s390.c.  Require cc register.
17063         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
17064         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
17065         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
17066         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
17067         symref memory operands.  Remove CC mode and call s390_match_ccmode
17068         instead.
17069         ("atomic_exchange<mode>"): Allow and implement all integer modes.
17070
17071 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17072
17073         * config/s390/s390.md (define_peephole2): New peephole to help
17074         combining the load-and-test pattern with volatile memory.
17075
17076 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
17077
17078         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
17079         with CCZmode for TARGET_Z196.
17080
17081 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
17082
17083         PR rtl-optimization/80501
17084         * combine.c (make_compound_operation_int): Set subreg_code to SET
17085         even for AND with mask of the sign bit of mode.
17086
17087         PR rtl-optimization/80500
17088         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
17089         sum's initial value.
17090
17091 2017-04-25  Julian Brown  <julian@codesourcery.com>
17092             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17093
17094         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
17095
17096 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
17097
17098         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
17099
17100 2017-04-25  Julian Brown  <julian@codesourcery.com>
17101             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17102
17103         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
17104         (thunderx2t99_sha): New Reservation.
17105
17106 2017-04-25  Julian Brown  <julian@codesourcery.com>
17107             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
17108
17109         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
17110         type for 1-element load.
17111
17112 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
17113
17114         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
17115
17116 2017-04-24  Martin Jambor  <mjambor@suse.cz>
17117
17118         PR tree-optimization/80293
17119         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
17120         char arrays not totally scalarizable if it is false.
17121         (analyze_all_variable_accesses): Pass correct value in the new
17122         parameter.  Add a statistics counter.
17123
17124 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
17125
17126         PR middle-end/79931
17127         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
17128
17129 2017-04-24  Richard Biener  <rguenther@suse.de>
17130
17131         PR tree-optimization/80494
17132         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
17133         out for complex types.
17134
17135 2017-04-24  Richard Biener  <rguenther@suse.de>
17136
17137         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
17138         * tree-ssa-sccvn.c (print_scc): Print SCC size.
17139         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
17140         (DFS): Adjust and never fail.
17141         (sccvn_dom_walker::fail): Remove.
17142         (sccvn_dom_walker::before_dom_children): Adjust.
17143         (run_scc_vn): Likewise and never fail.
17144         * tree-ssa-pre.c (pass_pre::execute): Adjust.
17145         (pass_fre::execute): Likewise.
17146
17147 2017-04-24  Richard Biener  <rguenther@suse.de>
17148
17149         PR tree-optimization/79725
17150         * tree-ssa-sink.c (statement_sink_location): Return whether
17151         failure reason was zero uses.  Move that check later.
17152         (sink_code_in_bb): Deal with zero uses by removing the stmt
17153         if possible.
17154
17155 2017-04-24  Richard Biener  <rguenther@suse.de>
17156
17157         PR c++/2972
17158         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
17159         pointer-based references.
17160
17161 2017-04-24  Richard Biener  <rguenther@suse.de>
17162
17163         PR bootstrap/79814
17164         * pass_manager.h (pass_manager::operator new): Remove.
17165         (pass_manager::operator delete): Likewise.
17166         * passes.c (pass_manager::operator new): Remove.
17167         (pass_manager::operator delete): Likewise.
17168         (pass_manager::pass_manager): Zero individual pass members.
17169
17170 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
17171
17172         PR target/70799
17173         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
17174         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
17175         Check "XEXP (src, 1)" operand here.
17176         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
17177         Check "XEXP (src, 1)" operand here.
17178         (dimode_scalar_chain::make_vector_copies): Detect count register
17179         of a shift instruction.  Zero extend count register from QImode
17180         to DImode to satisfy vector shift pattern count operand predicate.
17181         Substitute vector shift count operand with a DImode copy.
17182         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
17183         vector register.
17184
17185 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
17186
17187         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
17188         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
17189         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
17190         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
17191         (UNSPEC_NOREX_MEM): Remove definition.
17192
17193 2017-04-21  Richard Biener  <rguenther@suse.de>
17194
17195         PR tree-optimization/79547
17196         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
17197         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
17198         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
17199         without any constraints.
17200
17201 2017-04-21  Richard Biener  <rguenther@suse.de>
17202
17203         PR tree-optimization/78847
17204         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
17205
17206 2017-04-21  Richard Biener  <rguenther@suse.de>
17207
17208         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
17209         (build_distinct_type_copy): Likewise.
17210         (build_variant_type_copy): Likewise.
17211         * tree.c (build_qualified_type): Pass down mem-stat info.
17212         (build_distinct_type_copy): Likewise.
17213         (build_variant_type_copy): Likewise.
17214
17215 2017-04-21  Richard Biener  <rguenther@suse.de>
17216
17217         PR tree-optimization/80237
17218         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
17219         defaulted to NULL.
17220         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
17221         for a simplified result.
17222
17223 2016-04-21  Richard Biener  <rguenther@suse.de>
17224
17225         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
17226         sth as strict as a simple_iv but a chrec without symbols and an
17227         operand defined in the loop we are peeling (and not some subloop).
17228         (propagate_constants_for_unrolling): Propagate all constants.
17229
17230 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
17231
17232         PR target/79804
17233         * config/i386/i386.c (print_reg): Remove assert for disalowed
17234         regno values, call output_operand_lossage instead.
17235
17236 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
17237
17238         PR target/78090
17239         * config/i386/constraints.md (Yc): New register constraint.
17240         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
17241         Use Yc constraint for alternative 2 of operand 0.  Remove
17242         preferred_for_speed attribute.
17243
17244 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
17245
17246         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
17247         lastprivate clauses in SIMT case.
17248
17249 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
17250
17251         * doc/invoke.texi (-Wextra-semi): Document new warning option.
17252
17253 2017-04-20  Richard Biener  <rguenther@suse.de>
17254
17255         PR tree-optimization/57796
17256         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
17257         as N scalar stores.
17258         (vect_model_load_cost): Cost gathers as N scalar loads.
17259
17260 2017-04-20  Richard Biener  <rguenther@suse.de>
17261
17262         * ggc-page.c (ggc_allocated_p): Rename to ...
17263         (safe_lookup_page_table_entry): ... this and return the lookup
17264         result.
17265         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
17266
17267 2017-04-20  Richard Biener  <rguenther@suse.de>
17268
17269         PR tree-optimization/80453
17270         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
17271         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
17272         from the conditions.
17273         (vn_phi_eq): Pass them down.
17274         (vn_phi_lookup): Record them.
17275         (vn_phi_insert): Likewise.
17276
17277 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
17278
17279         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
17280         uninitialized variable warning to avoid buffer overrun.
17281
17282 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
17283
17284         PR other/71250
17285         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
17286         is suppressed for '{ 0 }' in C.
17287
17288 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
17289
17290         * BASE-VER: Set to 8.0.0.
17291
17292 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17293
17294         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
17295         priority .init_array and .fini_array section with SECTION_NOTYPE
17296         flag.
17297
17298 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
17299
17300         PR middle-end/80423
17301         * tree.h (build_array_type): Add typeless_storage default argument.
17302         * tree.c (type_cache_hasher::equal): Also compare
17303         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
17304         (build_array_type): Add typeless_storage argument, set
17305         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
17306         recursive call.
17307         (build_nonshared_array_type): Adjust build_array_type_1 caller.
17308         (build_array_type): Likewise.  Add typeless_storage argument.
17309
17310 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
17311             Jakub Jelinek  <jakub@redhat.com>
17312
17313         PR tree-optimization/80426
17314         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
17315         operation on symbolic operands, also compute the overflow for the
17316         invariant part when the operation degenerates into a negation.
17317
17318 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
17319
17320         PR debug/80461
17321         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
17322         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
17323
17324         PR debug/80436
17325         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
17326
17327 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
17328
17329         PR target/80462
17330         * config/avr/avr.c (tree.h): Include it.
17331         (cgraph.h): Include it.
17332         (avr_encode_section_info): Don't warn for uninitialized progmem
17333         variable if it's just an alias.
17334
17335 2017-04-19  Richard Biener  <rguenther@suse.de>
17336
17337         PR ipa/65972
17338         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
17339         when needed by AutoPGO.
17340
17341 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
17342
17343         PR lto/50345
17344         * doc/lto.texi: Remove an extra 'that'.
17345
17346 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
17347
17348         PR rtl-optimization/80429
17349         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
17350         are only used in debug insns.
17351
17352 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
17353             Vladimir Makarov  <vmakarov@redhat.com>
17354
17355         * config/sparc/predicates.md (input_operand): Add comment.  Return
17356         true for any memory operand when LRA is in progress.
17357         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
17358
17359 2017-04-18  Jeff Law  <law@redhat.com>
17360
17361         PR target/74563
17362         * mips.md ({return,simple_return}_internal): Do not overwrite
17363         operands[0].
17364
17365 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17366
17367         PR tree-optimization/80443
17368         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
17369         instead of adding 1, subtract -1 and similarly instead of subtracting
17370         1 add -1.
17371
17372 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
17373
17374         PR rtl-optimization/80357
17375         * haifa-sched.c (tmp_bitmap): New variable.
17376         (model_recompute): Handle duplicate use records.
17377         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
17378         (free_global_sched_pressure_data): Free it.
17379
17380 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17381
17382         Revert:
17383         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17384         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17385         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17386         instead of SYSTEM_HEADER_DIR.
17387
17388 2017-04-18  Jeff Law  <law@redhat.com>
17389
17390         PR middle-end/80422
17391         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
17392         predecessors after walking up the insn chain.
17393
17394 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17395
17396         PR debug/80263
17397         * dwarf2out.c (modified_type_die): Try harder not to emit internal
17398         sizetype type into debug info.
17399
17400 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
17401
17402         PR target/80099
17403         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
17404         unneeded test for TARGET_UPPER_REGS_SF.
17405         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
17406
17407 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
17408
17409         PR sanitizer/80444
17410         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
17411         instead of gsi_after_labels.
17412
17413 2017-04-18  Jeff Law  <law@redhat.com>
17414
17415         * regcprop.c (maybe_mode_change): Avoid creating copies of the
17416         stack pointer.
17417
17418         Revert:
17419         2017-04-13  Jeff Law  <law@redhat.com>
17420         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
17421         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
17422
17423 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
17424
17425         PR target/79453
17426         * config/avr/avr.c (intl.h): Include it.
17427         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
17428
17429 2017-04-18  Martin Liska  <mliska@suse.cz>
17430
17431         PR gcov-profile/78783
17432         * gcov-tool.c (gcov_output_files): Validate that destination
17433         file is either removed by the tool or by a user.
17434
17435 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
17436             Guy Benyei  <guybe@mellanox.com>
17437
17438         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
17439         block, and do not negate it, the stored id is already negative.
17440
17441 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
17442
17443         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
17444
17445 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
17446
17447         PR target/80098
17448         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
17449         masks of options that should be turned off if the VSX vector
17450         options are turned off.
17451         (OTHER_P8_VECTOR_MASKS): Likewise.
17452         (OTHER_VSX_VECTOR_MASKS): Likewise.
17453         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
17454         rs6000_disable_incompatible_switches to validate no type switches
17455         like -mvsx.
17456         (rs6000_incompatible_switch): New function to disallow turning on
17457         other vector options if -mno-vsx, -mno-power8-vector, or
17458         -mno-power9-vector are specified.
17459
17460 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
17461
17462         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
17463
17464 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
17465
17466         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
17467         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
17468         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
17469         (ARG_POINTER_CFA_OFFSET): Likewise.
17470
17471 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
17472
17473         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
17474         conditions to take advantage of various optimizations.
17475
17476 2017-04-13  Jeff Law  <law@redhat.com>
17477
17478         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
17479         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
17480         (zero_extendsidi2_dext): Likewise.
17481
17482 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
17483
17484         PR sanitizer/80403
17485         * fold-const.c (fold_ternary_loc): Revert
17486         use op0 instead of fold_convert_loc (loc, type, arg0) part of
17487         2017-04-12 change.
17488
17489 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
17490
17491         PR rtl-optimization/80343
17492         * lra-remat.c (update_scratch_ops): Assign original hard reg to
17493         new scratch pseudo.
17494
17495 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
17496
17497         PR sanitizer/80414
17498         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
17499         to ubsan_encode_value.
17500
17501 2017-04-13  Jeff Law  <law@redhat.com>
17502
17503         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
17504         appearing in DEBUG_INSNs.
17505
17506 2017-04-13  Martin Liska  <mliska@suse.cz>
17507
17508         PR gcov-profile/80413
17509         * gcov-io.c (gcov_write_string): Copy to buffer just when
17510         allocated size is greater than zero.
17511
17512 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
17513
17514         PR debug/80321
17515         * dwarf2out.c (decls_for_scope): Ignore declarations of
17516         current_function_decl in BLOCK_NONLOCALIZED_VARS.
17517
17518 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
17519
17520         PR lto/69953
17521         * ipa-visibility.c (non_local_p): Fix typos.
17522         (localize_node): When localizing symbol in same comdat group,
17523         dissolve the group only when we know external symbols are going
17524         to be privatized.
17525         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
17526
17527 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
17528
17529         PR tree-optimization/79390
17530         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
17531         order does not result in usable sequence, retry with reversed operand
17532         order.
17533
17534         PR sanitizer/80403
17535         PR sanitizer/80404
17536         PR sanitizer/80405
17537         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
17538         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
17539         op0 instead of fold_convert_loc (loc, type, arg0).
17540
17541 2017-04-12  Jeff Law  <law@redhat.com>
17542
17543         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
17544         has a delay slot in the generated code.
17545
17546         * config/cris/cris.md (cris_preferred_reload_class): Return
17547         GENNONACR_REGS rather than GENERAL_REGS.
17548
17549 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
17550
17551         PR c/80163
17552         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
17553         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
17554         signedness of the result type.
17555
17556 2017-04-12  Richard Biener  <rguenther@suse.de>
17557             Jeff Law  <law@redhat.com>
17558
17559         PR tree-optimization/80359
17560         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
17561         trim stores to TARGET_MEM_REFs.
17562
17563 2017-04-12  Richard Biener  <rguenther@suse.de>
17564
17565         PR tree-optimization/79390
17566         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
17567         threading case even more.
17568
17569 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
17570
17571         PR target/80382
17572         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
17573         for quad_address_p for TImode, instead of just not indexed_address.
17574
17575 2017-04-12  Richard Biener  <rguenther@suse.de>
17576             Bernd Edlinger  <bernd.edlinger@hotmail.de>
17577
17578         PR middle-end/79671
17579         * alias.c (component_uses_parent_alias_set_from): Handle
17580         TYPE_TYPELESS_STORAGE.
17581         (get_alias_set): Likewise.
17582         * tree-core.h (tree_type_common): Add typeless_storage flag.
17583         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
17584         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
17585         for types containing members with TYPE_TYPELESS_STORAGE.
17586         (place_field): Likewise.
17587         (layout_type): Likewise for ARRAY_TYPE.
17588         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
17589         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
17590         TYPE_TYPELESS_STORAGE.
17591         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
17592
17593 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
17594
17595         PR sanitizer/80349
17596         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
17597         first argument to type.
17598
17599 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17600
17601         PR target/80376
17602         PR target/80315
17603         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
17604         CONST0_RTX (mode) rather than const0_rtx where appropriate.
17605         (rs6000_expand_binop_builtin): Likewise.
17606         (rs6000_expand_ternop_builtin): Likewise; also add missing
17607         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
17608         vshasigma built-ins.
17609         * doc/extend.texi: Document that vec_xxpermdi's third argument
17610         must be a constant.
17611
17612 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
17613
17614         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
17615         Use shift_const cost parameter when calculating gain of STV shifts.
17616
17617 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
17618
17619         PR rtl-optimization/70478
17620         * lra-constraints.c (process_alt_operands): Check memory for
17621         disfavoring memory insn operand.
17622
17623 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
17624
17625         PR middle-end/80100
17626         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
17627         left shift in unsigned HOST_WIDE_INT type.
17628
17629         PR rtl-optimization/80385
17630         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
17631         (not (neg X)) into (plus X -1) for complex or non-integral modes.
17632
17633         PR libgomp/80394
17634         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
17635         if they have any depend clauses.
17636
17637 2017-04-11  Martin Liska  <mliska@suse.cz>
17638
17639         PR ipa/80212
17640         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
17641         * ipa-split.c (split_function): Create a local comdat symbol
17642         if caller is in a comdat group.
17643
17644 2017-04-11  Martin Liska  <mliska@suse.cz>
17645
17646         PR ipa/80212
17647         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
17648         flags.
17649
17650 2017-04-11  Martin Sebor  <msebor@redhat.com>
17651
17652         PR middle-end/80364
17653         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
17654         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
17655         for INTEGER_TYPE.
17656         (directive::set_width, directive::set_precision, format_character):
17657         Adjust.
17658         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
17659         INTEGER_TYPE.
17660
17661 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
17662
17663         PR target/80389
17664         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
17665         conflict, set target->arch_name instead of target->cpu_name.
17666
17667 2017-04-11  Richard Biener  <rguenther@suse.de>
17668
17669         PR tree-optimization/80374
17670         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
17671         build_zero_cst, remove fold_convertible_p check again.
17672
17673 2017-04-11  Martin Liska  <mliska@suse.cz>
17674
17675         PR sanitizer/70878
17676         * ubsan.c (instrument_object_size): Do not instrument register
17677         variables.
17678
17679 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
17680
17681         PR target/80381
17682         * config/i386/i386-builtin-types.def
17683         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
17684         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
17685         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
17686         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
17687         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
17688         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
17689         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
17690         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
17691         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
17692         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
17693         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
17694         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
17695         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
17696         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
17697         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
17698         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
17699         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
17700         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
17701         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
17702         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
17703         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
17704         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
17705         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
17706         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
17707         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
17708         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
17709         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
17710         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
17711         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
17712         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
17713         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
17714         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
17715         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
17716         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
17717         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
17718         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
17719         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
17720         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
17721         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
17722         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
17723         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
17724         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
17725         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
17726         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
17727         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
17728         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
17729         aliases.
17730         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
17731         flag to second_arg_count, handle 4 argument function type _COUNT
17732         aliases, handle second_arg_count on second argument rather than last.
17733
17734 2017-04-10  Jeff Law  <law@redhat.com>
17735
17736         PR tree-optimization/80374
17737         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
17738         record anything if we can not convert integer_zero_node to the
17739         desired type.
17740
17741 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17742
17743         PR target/80108
17744         * config/rs6000/rs6000.c (rs6000_option_override_internal):
17745         Enhance special handling given to the TARGET_P9_MINMAX option in
17746         relation to certain other options.
17747
17748 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
17749
17750         PR tree-optimization/80153
17751         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
17752         remove POINTER_PLUS_EXPR's base part directly, rather than through
17753         aff_tree.
17754
17755 2017-04-10  Richard Biener  <rguenther@suse.de>
17756             Bin Cheng  <bin.cheng@arm.com>
17757
17758         PR tree-optimization/80153
17759         * tree-affine.c (aff_combination_to_tree): Get base pointer from
17760         the first element of pointer type aff_tree.  Build result expr in
17761         aff_tree's type.
17762         (add_elt_to_tree): Convert to type unconditionally.  Remove other
17763         fold_convert calls.
17764         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
17765         (rewrite_use_nonlinear_expr): Check invariant using iv information.
17766
17767 2017-04-10  Richard Biener  <rguenther@suse.de>
17768
17769         * tree-ssa-structalias.c (find_func_aliases): Properly handle
17770         asm inputs.
17771
17772 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
17773
17774         PR rtl-optimization/70478
17775         * lra-constraints.c (curr_small_class_check): New.
17776         (update_and_check_small_class_inputs): New.
17777         (process_alt_operands): Update curr_small_class_check.  Disfavor
17778         alternative insn memory operands.  Check available regs for small
17779         class operands.
17780
17781 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
17782
17783         PR target/80057
17784         * config/mips/mips.opt (-mvirt): Update description.
17785         * doc/invoke.texi (-mvirt): Likewise.
17786
17787 2017-04-10  Richard Biener  <rguenther@suse.de>
17788
17789         PR middle-end/80362
17790         * fold-const.c (fold_binary_loc): Look at unstripped ops when
17791         looking for NEGATE_EXPR in -A / -B to A / B folding.
17792
17793 2017-04-10  Martin Liska  <mliska@suse.cz>
17794
17795         PR gcov-profile/80224
17796         * gcov.c (print_usage): Fix usage string.
17797         (get_gcov_intermediate_filename): Remove.
17798         (output_gcov_file): Use both for normal and intermediate format.
17799         (generate_results): Do not initialize special file for
17800         intermediate format.
17801
17802 2017-04-10  Richard Biener  <rguenther@suse.de>
17803
17804         PR tree-optimization/80304
17805         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
17806         for safelen.
17807
17808 2017-04-10  Nathan Sidwell  <nathan@acm.org>
17809
17810         PR target/79905
17811         * config/rs6000/rs6000.c (rs6000_vector_type): New.
17812         (rs6000_init_builtins): Use it.
17813
17814 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17815
17816         * config/arm/arm.md (<mrc>): Add mode to SET source.
17817         (<mrrc>): Likewise.
17818
17819 2017-04-10  Richard Biener  <rguenther@suse.de>
17820
17821         PR middle-end/80344
17822         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
17823
17824 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
17825
17826         PR target/80324
17827         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
17828         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
17829         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
17830         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
17831         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
17832         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
17833         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
17834         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
17835         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
17836         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
17837         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
17838         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
17839         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
17840         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
17841         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
17842         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
17843         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
17844         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
17845         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
17846         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
17847         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
17848         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
17849         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
17850
17851 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
17852
17853         PR rtl-optimization/70478
17854         * lra-constraints.c: Reverse the last patch.
17855
17856 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
17857
17858         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
17859         Add comment for WCHAR_T.
17860
17861 2017-04-08  Martin Liska  <mliska@suse.cz>
17862
17863         Revert:
17864         2017-04-07  Martin Liska  <mliska@suse.cz>
17865
17866         PR ipa/80212
17867         * ipa-split.c (split_function): Add function part to a same comdat
17868         group.
17869
17870 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
17871
17872         PR target/80358
17873         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
17874
17875 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
17876
17877         * rs6000/rs6000.c (vec_load_pendulum): Rename...
17878         (vec_pairing): ...to this.
17879         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
17880         (rs6000_sched_init): Adjust for name change.
17881         (struct rs6000_sched_context): Likewise.
17882         (rs6000_init_sched_context): Likewise.
17883         (rs6000_set_sched_context): Likewise.
17884
17885 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
17886
17887         PR target/80322
17888         PR target/80323
17889         PR target/80325
17890         PR target/80326
17891         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
17892         intrinsics.
17893         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
17894         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
17895         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
17896
17897 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
17898
17899         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
17900
17901 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
17902
17903         PR rtl-optimization/70703
17904         * ira-color.c (update_conflict_hard_regno_costs): Use
17905         int64_t instead of HOST_WIDE_INT.
17906
17907 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
17908
17909         PR rtl-optimization/70478
17910         * lra-constraints.c (process_alt_operands): Disfavor alternative
17911         insn memory operands.
17912
17913 2017-04-07  Jeff Law  <law@redhat.com>
17914
17915         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
17916         CALL and NOTE_INSN_CALL_ARG_LOCATION.
17917
17918 2017-04-07  Martin Liska  <mliska@suse.cz>
17919
17920         PR target/79889
17921         * config/aarch64/aarch64.c (aarch64_process_target_attr):
17922         Show error message instead of an ICE.
17923
17924 2017-04-07  Martin Liska  <mliska@suse.cz>
17925
17926         PR ipa/80212
17927         * ipa-split.c (split_function): Add function part to a same comdat
17928         group.
17929
17930 2017-04-07  Richard Biener  <rguenther@suse.de>
17931
17932         PR middle-end/80341
17933         * tree.c (get_unwidened): Also handle ! for_type case for
17934         INTEGER_CSTs.
17935         * convert.c (do_narrow): Split out from ...
17936         (convert_to_integer_1): ... here.  Do not pass final truncation
17937         type to get_unwidened for TRUNC_DIV_EXPR.
17938
17939 2017-04-07  Richard Biener  <rguenther@suse.de>
17940
17941         * tree-affine.c (wide_int_ext_for_comb): Take type rather
17942         than aff_tree.
17943         (aff_combination_const): Adjust.
17944         (aff_combination_scale): Likewise.
17945         (aff_combination_add_elt): Likewise.
17946         (aff_combination_add_cst): Likewise.
17947         (aff_combination_convert): Likewise.
17948         (add_elt_to_tree): Likewise.  Remove unused argument.
17949         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
17950
17951 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
17952
17953         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
17954         definition.
17955         * config/arm/arm.c (arm_default_short_enums): Use
17956         ARM_DEFAULT_SHORT_ENUMS.
17957         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
17958
17959 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
17960
17961         PR debug/80234
17962         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
17963         members with redundant out-of-class redeclaration.
17964
17965 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
17966
17967         PR target/80286
17968         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
17969         * config/i386/i386.md (*zero_extendsidi2):
17970         Add (?*x,*x) and (?*v,*v) alternatives.
17971
17972 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
17973
17974         PR target/79733
17975         * config/i386/i386.c (ix86_expand_builtin)
17976         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
17977         mode from insn data. Convert operands to insn operand mode.
17978         Copy operands that don't satisfy insn predicate to a register.
17979
17980 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
17981
17982         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
17983         Update comments.
17984
17985 2017-04-06  Richard Biener  <rguenther@suse.de>
17986
17987         PR tree-optimization/80334
17988         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
17989         preserve alignment of accesses.
17990
17991 2017-04-06  Richard Biener  <rguenther@suse.de>
17992
17993         PR tree-optimization/80262
17994         * tree-sra.c (build_ref_for_offset): Preserve address-space
17995         information.
17996         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
17997         Drop useless address-space information on MEM_REF offsets.
17998
17999 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
18000
18001         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
18002
18003 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18004
18005         PR rtl-optimization/70703
18006         * ira-color.c (update_conflict_hard_regno_costs): Use
18007         HOST_WIDE_INT instead of long.
18008
18009 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
18010
18011         PR target/80298
18012         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
18013         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
18014         is not defined.
18015         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
18016         for x86_64 target.  Handle -m3dnowa option.
18017
18018 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
18019
18020         PR rtl-optimization/70703
18021         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
18022         (update_conflict_hard_regno_costs): Use long instead of unsigned
18023         arithmetic for cost calculation.
18024
18025 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18026             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18027
18028         PR sanitizer/80308
18029         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
18030         for big endian.
18031
18032 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
18033
18034         PR target/78002
18035         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
18036         ptr_mode with Pmode throughout.
18037         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
18038         into probe_stack_range and use DImode.
18039
18040 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18041
18042         PR target/79890
18043         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
18044         call_eh_return is true.
18045
18046 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18047
18048         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
18049         Initialize last_match_fntype_index.
18050
18051 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
18052
18053         PR target/80310
18054         * tree-nvr.c: Include internal-fn.h.
18055         (pass_return_slot::execute): Ignore internal calls without
18056         direct optab.
18057
18058 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18059             Richard Biener  <rguenther@suse.de>
18060
18061         PR c++/80297
18062         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
18063         captures used multiple times, except for the last use.
18064         * generic-match-head.c: Include gimplify.h.
18065
18066 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18067
18068         PR tree-optimization/79390
18069         * target.h (struct noce_if_info): Declare.
18070         * targhooks.h (default_noce_conversion_profitable_p): Declare.
18071         * target.def (noce_conversion_profitable_p): New target hook.
18072         * ifcvt.h (struct noce_if_info): New type, moved from ...
18073         * ifcvt.c (struct noce_if_info): ... here.
18074         (noce_conversion_profitable_p): Renamed to ...
18075         (default_noce_conversion_profitable_p): ... this.  No longer
18076         static nor inline.
18077         (noce_try_store_flag_constants, noce_try_addcc,
18078         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
18079         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
18080         instead of noce_conversion_profitable_p.
18081         * config/i386/i386.c: Include ifcvt.h.
18082         (ix86_option_override_internal): Don't override
18083         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
18084         (ix86_noce_conversion_profitable_p): New function.
18085         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
18086         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
18087         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
18088         * doc/tm.texi: Regenerated.
18089
18090 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18091
18092         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
18093         correction.
18094
18095 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18096
18097         PR target/80307
18098         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
18099         instructions for small multiply cores.
18100
18101 2017-04-04  Jeff Law  <law@redhat.com>
18102
18103         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
18104         added member.
18105         (mips_expand_vec_perm_const): Initialize elements in orig_perm
18106         that are not set by the loop over the elements.
18107
18108 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
18109
18110         PR target/80286
18111         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
18112         int mode, convert_modes it to mode as unsigned, otherwise use
18113         lowpart_subreg to mode rather than SImode.
18114         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
18115         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
18116         Use DImode instead of SImode for the shift count operand.
18117         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
18118         Likewise.
18119
18120 2017-04-04  Richard Biener  <rguenther@suse.de>
18121
18122         PR middle-end/80281
18123         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
18124         arithmetic done for the negate or the plus.  Simplify.
18125         (A - (-B) -> A + B): Likewise.
18126         * fold-const.c (split_tree): Make sure to not negate pointers.
18127
18128 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
18129
18130         PR rtl-optimization/60818
18131         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
18132         a compare of comparisons with the thing compared if this results
18133         in a different machine mode.
18134
18135 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
18136
18137         * alias.c (base_alias_check): Fix typo in comment.
18138         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
18139         * cgraphunit.c (symbol_table::compile): Likewise.
18140         * collect2.c (maybe_run_lto_and_relink): Likewise.
18141         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
18142         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
18143         * config/avr/avr.c (avr_map_op_t): Likewise.
18144         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
18145         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
18146         * config/epiphany/epiphany.md (movcc): Likewise.
18147         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
18148         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
18149         Likewise.
18150         * config/mips/mips.c (mips_save_restore_reg): Likewise.
18151         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
18152         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
18153         * config/sh/sh.c (sh_rtx_costs): Likewise.
18154         * fold-const.c (fold_truth_andor): Likewise.
18155         * genautomata.c (collapse_flag): Likewise.
18156         * gengtype.h (struct type::u::s): Likewise.
18157         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
18158         * input.c (FORMAT_AMOUNT): Likewise.
18159         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
18160         (known_aggs_to_agg_replacement_list): Likewise.
18161         * ipa-inline-analysis.c: Likewise.
18162         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
18163         * ipa-polymorphic-call.c
18164         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
18165         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
18166         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
18167         Likewise.
18168         * modulo-sched.c (apply_reg_moves): Likewise.
18169         * omp-expand.c (build_omp_regions_1): Likewise.
18170         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
18171         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
18172         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
18173         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
18174         * value-prof.c: Likewise.
18175         * var-tracking.c (val_reset): Likewise.
18176
18177 2017-04-03  Richard Biener  <rguenther@suse.de>
18178
18179         PR tree-optimization/80275
18180         * fold-const.c (split_address_to_core_and_offset): Handle
18181         POINTER_PLUS_EXPR.
18182
18183 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
18184
18185         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
18186         descriptors is at least equal to that of functions.
18187
18188 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
18189
18190         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
18191
18192 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
18193
18194         PR target/80250
18195         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
18196         (mov<IMOD4:mode>): New expander.
18197         (*mov<IMOD4:mode>_internal): New insn and split pattern.
18198
18199 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
18200
18201         PR rtl-optimization/79405
18202         * fwprop.c (propagations_left): New variable.
18203         (forward_propagate_into): Decrement it.
18204         (fwprop_init): Initialize it.
18205         (fw_prop): If the variable has reached zero, stop propagating.
18206         (fwprop_addr): Ditto.
18207
18208 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
18209
18210         PR debug/79255
18211         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
18212         a FUNCTION_DECL, pass it as decl instead of origin to
18213         process_scope_var.
18214
18215 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
18216
18217         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
18218         string.
18219
18220 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
18221
18222         PR target/80107
18223         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
18224         TARGET_VSX_SMALL_INTEGER.
18225
18226 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18227
18228         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
18229         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
18230
18231 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18232
18233         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
18234         extraction from odd-numbered MSA register.
18235
18236 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
18237
18238         PR middle-end/80173
18239         * expmed.c (store_bit_field_1): Don't attempt to create
18240         a word subreg out of hard registers wider than word if they
18241         have HARD_REGNO_NREGS of 1 for their mode.
18242
18243         PR middle-end/80163
18244         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
18245         conversions to integer types wider than word and pointer.
18246
18247         PR debug/80025
18248         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
18249         (rtx_equal_for_cselib_p): Pass 0 to it.
18250         * cselib.c (cselib_hasher::equal): Likewise.
18251         (rtx_equal_for_cselib_1): Add depth argument.  If depth
18252         is 128, don't look up VALUE locs and punt.  Increment
18253         depth in recursive calls when walking VALUE locs.
18254
18255 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18256
18257         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
18258         (make_gcov_file_name): Use the canonical path name for generating
18259         the MD5 value.
18260         (read_line): Fix handling of files with ascii null bytes.
18261
18262 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
18263
18264         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
18265         to initialise a vector register instead
18266         of using a const_int.
18267
18268 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
18269
18270         PR translation/80189
18271         * gimplify.c (omp_default_clause): Use %qs instead of %s in
18272         diagnostic messages.
18273
18274 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
18275
18276         PR target/80246
18277         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
18278         (dfp_diex_<mode>): Update mode of operand 1.
18279         * doc/extend.texi (dxex, dxexq): Document change to return type.
18280         (diex, diexq): Document change to argument type.
18281
18282 2017-03-30  Martin Jambor  <mjambor@suse.cz>
18283
18284         PR ipa/77333
18285         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
18286         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
18287         it reflects the signature changes performed at the callee side.
18288         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
18289         to cgraph_build_function_type_skip_args.
18290         (build_function_decl_skip_args): Adjust call to the above function.
18291
18292 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
18293
18294         PR target/80206
18295         * config/i386/sse.md
18296         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
18297         register as dest whenever it is a MEM not rtx_equal_p to the
18298         corresponding dup operand, and when forcing into reg move the
18299         reg into the memory afterwards.
18300         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
18301         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
18302         for the force_reg mode.
18303         (avx512vl_vextractf128<mode>): Use register as dest either
18304         always when a MEM, or when it is a MEM not rtx_equal_p to the
18305         corresponding dup operand, or even not when it is a CONST_VECTOR
18306         depending on the mode and lo vs. hi.
18307         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
18308         parens.
18309         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
18310         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
18311         Likewise.  Require that operands[2] is even.
18312         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
18313         Remove extraneous parens.  Require that operands[2] is a multiple
18314         of 4.
18315         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
18316         operands[0] is a MEM if <mask_applied>, the predicates/constraints
18317         disallow memory then.
18318
18319 2017-03-30  Richard Biener  <rguenther@suse.de>
18320
18321         PR tree-optimization/77498
18322         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
18323         to non-constants over backedges.
18324
18325 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
18326
18327         PR rtl-optimization/80233
18328         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
18329         as last_combined_insn.  Do not test for BARRIER_P separately.
18330
18331 2017-03-29  Andreas Schwab  <schwab@suse.de>
18332
18333         PR ada/80146
18334         * calls.c (prepare_call_address): Convert funexp to Pmode before
18335         copying to temp reg.
18336
18337 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18338
18339         PR tree-optimization/80158
18340         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
18341         Handle possible future case of more than one alternate
18342         interpretation.
18343         (replace_rhs_if_not_dup): Likewise.
18344         (replace_one_candidate): Likewise.
18345
18346 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
18347
18348         PR rtl-optimization/80193
18349         * ira.c (ira): Do not check allocation for LRA.
18350
18351 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
18352
18353         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
18354         (nvptx_output_simt_exit): Declare.
18355         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
18356         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
18357         (init_softstack_frame): Move initialization of crtl->is_leaf to...
18358         (nvptx_declare_function_name): ...here.  Emit declaration of local
18359         memory space buffer for omp_simt_enter insn.
18360         (nvptx_output_unisimt_switch): New.
18361         (nvptx_output_softstack_switch): New.
18362         (nvptx_output_simt_enter): New.
18363         (nvptx_output_simt_exit): New.
18364         * config/nvptx/nvptx.h (struct machine_function): New fields
18365         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
18366         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
18367         (UNSPECV_SIMT_EXIT): Ditto.
18368         (omp_simt_enter_insn): New insn.
18369         (omp_simt_enter): New expansion.
18370         (omp_simt_exit): New insn.
18371         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
18372
18373         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
18374         (expand_GOMP_SIMT_ENTER_ALLOC): New.
18375         (expand_GOMP_SIMT_EXIT): New.
18376         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
18377         (GOMP_SIMT_ENTER_ALLOC): Ditto.
18378         (GOMP_SIMT_EXIT): Ditto.
18379         * target-insns.def (omp_simt_enter): New insn.
18380         (omp_simt_exit): Ditto.
18381         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
18382         simt_dlist.
18383         (lower_rec_simd_input_clauses): Implement SIMT privatization.
18384         (lower_rec_input_clauses): Likewise.
18385         (lower_lastprivate_clauses): Handle SIMT privatization.
18386
18387         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
18388         (ompdevlow_adjust_simt_enter): New.
18389         (find_simtpriv_var_op): New.
18390         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
18391         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
18392
18393         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
18394         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
18395         (copy_decl_for_dup_finish): Ditto.
18396
18397         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
18398
18399 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
18400
18401         PR target/53383
18402         * config/i386/i386.c (ix86_option_override_internal): Always
18403         allow -mpreferred-stack-boundary=3 for 64-bit targets.
18404
18405 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
18406
18407         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
18408
18409 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
18410
18411         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
18412         mark new edge's irreducible flag accordign to it.
18413         (vect_do_peeling): Check loop preheader edge's irreducible flag
18414         and pass it to function slpeel_add_loop_guard.
18415
18416 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
18417
18418         PR tree-optimization/80218
18419         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
18420         Update block frequencies and counts.
18421
18422 2017-03-28  Richard Biener  <rguenther@suse.de>
18423
18424         PR tree-optimization/78644
18425         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
18426         of a simplification result we may not use it at all.
18427
18428 2017-03-28  Richard Biener  <rguenther@suse.de>
18429
18430         PR ipa/80205
18431         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
18432         without arguments, generate default definition of a SSA name.
18433
18434 2017-03-28  Richard Biener  <rguenther@suse.de>
18435
18436         PR middle-end/80222
18437         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
18438         TYPE_REF_CAN_ALIAS_ALL references.
18439         * fold-const.c (fold_indirect_ref_1): Likewise.
18440
18441 2017-03-28  Martin Liska  <mliska@suse.cz>
18442
18443         PR ipa/80104
18444         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
18445         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
18446
18447 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
18448             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
18449
18450         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
18451         (EXTRA_SPECS): Define.
18452         (SUBTARGET_EXTRA_SPECS): Likewise.
18453         (SUBTARGET_CPP_SPEC): Likewise.
18454         * config/arc/elf.h (EXTRA_SPECS): Renamed to
18455         SUBTARGET_EXTRA_SPECS.
18456         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
18457
18458 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
18459
18460         * config/arc/simdext.md (vst64_insn): Update pattern.
18461         (vld32wh_insn): Likewise.
18462         (vld32wl_insn): Likewise.
18463         (vld64_insn): Likewise.
18464         (vld32_insn): Likewise.
18465
18466 2017-03-28  Marek Polacek  <polacek@redhat.com>
18467
18468         PR sanitizer/80067
18469         * fold-const.c (fold_comparison): Use protected_set_expr_location
18470         instead of SET_EXPR_LOCATION.
18471
18472 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
18473
18474         * tree.c (add_expr): Avoid name lookup warning.
18475
18476 2017-03-27  Jeff Law  <law@redhat.com>
18477
18478         PR tree-optimization/80216
18479         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
18480         function name.  Limit recursion depth.
18481         (record_temporary_equivalences): Corresponding changes.
18482
18483 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
18484
18485         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
18486         covered first.
18487
18488 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
18489
18490         PR target/80102
18491         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
18492         notes.
18493         * cfgcleanup.c (reg_note_cfa_p): New array.
18494         (insns_have_identical_cfa_notes): New function.
18495         (old_insns_match_p): Don't cross-jump in between /f
18496         and non-/f instructions.  If both i1 and i2 are frame related,
18497         verify all CFA notes, their order and content.
18498
18499 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
18500
18501         PR target/78543
18502         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
18503         HImode and SImode with zero extend to DImode to one insn.
18504         (bswap<mode>2_extenddi): Likewise.
18505         (bswapsi2_extenddi): Likewise.
18506         (bswaphi2_extendsi): Likewise.
18507         (bswaphi2): Combine bswap HImode and SImode into one insn.
18508         Separate memory insns from swapping register.
18509         (bswapsi2): Likewise.
18510         (bswap<mode>2): Likewise.
18511         (bswaphi2_internal): Delete, no longer used.
18512         (bswapsi2_internal): Likewise.
18513         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
18514         store, and gpr<-gpr swap insns.
18515         (bswap<mode>2_store): Likewise.
18516         (bswaphi2_reg): Register only splitter, combine with the splitter.
18517         (bswaphi2 splitter): Likewise.
18518         (bswapsi2_reg): Likewise.
18519         (bswapsi2 splitter): Likewise.
18520         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
18521         the insns into load, store, and register/register insns.
18522         (bswapdi2_ldbrx): Likewise.
18523         (bswapdi2_load): Likewise.
18524         (bswapdi2_store): Likewise.
18525         (bswapdi2_reg): Likewise.
18526
18527 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
18528
18529         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
18530         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
18531
18532 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18533
18534         PR target/80103
18535         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
18536         add comments.
18537         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
18538         special handling for target option conflicts between dform
18539         options (-mpower9-dform, -mpower9-dform-vector,
18540         -mpower9-dform-scalar) and -mno-direct-move.
18541
18542 2017-03-27  Richard Biener  <rguenther@suse.de>
18543
18544         PR tree-optimization/80181
18545         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
18546
18547 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18548
18549         * config/arc/predicates.md (move_double_src_operand): Replace the
18550         call to move_double_src_operand with a call to address_operand.
18551
18552 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18553
18554         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
18555         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
18556         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
18557
18558 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18559
18560         * config/arc/predicates.md (long_immediate_loadstore_operand):
18561         Consider scaled addresses cases.
18562
18563 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
18564
18565         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
18566         restored when in interrupt.
18567         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
18568         doesn't have delay slot.
18569
18570 2017-03-27  Richard Biener  <rguenther@suse.de>
18571
18572         PR ipa/79776
18573         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
18574         inlined thunk clones.
18575
18576 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
18577
18578         PR sanitizer/80168
18579         * asan.c (instrument_derefs): Copy over last operand from
18580         original COMPONENT_REF to the new COMPONENT_REF with
18581         DECL_BIT_FIELD_REPRESENTATIVE.
18582         * ubsan.c (instrument_object_size): Likewise.
18583
18584 2017-03-27  Richard Biener  <rguenther@suse.de>
18585
18586         PR tree-optimization/80170
18587         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
18588         sure DR/SCEV didnt fold in constants we do not see when looking
18589         at the reference base alignment.
18590
18591 2017-03-27  Richard Biener  <rguenther@suse.de>
18592
18593         PR middle-end/80171
18594         * gimple-fold.c (fold_ctor_reference): Properly guard against
18595         NULL return value from canonicalize_constructor_val.
18596
18597 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
18598
18599         PR target/80180
18600         * config/i386/i386.c (ix86_expand_builtin)
18601         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
18602         flags reg setting and flags reg using instructions.
18603         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
18604         clobbering instructions to zero extend op2.
18605
18606 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
18607
18608         * doc/install.texi (Configuration) <--with-aix-soname>:
18609         Update link to AIX ld.
18610
18611 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
18612
18613         PR rtl-optimization/80160
18614         PR rtl-optimization/80159
18615         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
18616         reg_alternate_class into account.
18617
18618 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
18619
18620         PR target/80148
18621         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
18622         to consider in curr_insn_transform.
18623
18624 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
18625
18626         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
18627         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
18628         and emit_mode_inner.
18629
18630 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18631
18632         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
18633         argument to the overloaded builtin variants.  Use the new flag to
18634         deprecate certain builtin variants.
18635         * config/s390/s390-builtin-types.def: Add new builtin types.
18636         * config/s390/s390-builtins.h: Support new flags field for
18637         overloaded builtins.
18638         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
18639         (s390_macro_to_expand): Enable vector float data type.
18640         (s390_cpu_cpp_builtins_internal): Indicate support of the new
18641         builtins by incrementing the __VEC__ version number.
18642         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
18643         vec_xst.
18644         (s390_resolve_overloaded_builtin): Emit error messages depending
18645         on the builtin flags.
18646         * config/s390/s390.c (s390_expand_builtin): Support additional
18647         flags argument.  Change error message to match the messages
18648         emitted in s390-c.c.
18649         * config/s390/s390.md: New UNSPEC_* constants.
18650         (op_type): Add new instruction types.
18651         * config/s390/vecintrin.h: Add new builtins and test data class
18652         constants.
18653         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
18654         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
18655         (VEC_INEXACT, VEC_NOINEXACT): New constants.
18656         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
18657         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
18658         ("vec_mergel<mode>"): V_HW -> VEC_HW.
18659
18660         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
18661         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
18662         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
18663         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
18664
18665         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
18666         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
18667         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
18668         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
18669
18670         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
18671         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
18672         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
18673         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
18674         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
18675         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
18676         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
18677
18678         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
18679         ("vec_scatter_element<V_HW_4:mode>_DI")
18680         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
18681         ("vec_fpint<mode>", "vflls")
18682         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
18683         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
18684         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
18685         ("*vec_cmphe<mode>_cc"): ... these.
18686
18687         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
18688         mode constant instead of magic value.
18689
18690 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18691
18692         * config/s390/s390.c (s390_expand_vec_compare): Support other
18693         vector floating point modes than just V2DF.
18694         (s390_expand_vcond): Likewise.
18695         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
18696         (s390_cannot_change_mode_class): Prevent mode changes between TF
18697         and V1TF in vector registers.
18698         * config/s390/s390.md (DF, SF): New mode attributes.
18699         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
18700         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
18701         SFmode support for VRs.
18702         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
18703         vector fp modes.
18704         (VFT, VF_HW): New mode iterators.
18705         (vw, sdx): New mode attributes.
18706         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
18707         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
18708         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
18709         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
18710         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
18711         also the new vector floating point modes.  Renaming to ...
18712
18713         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
18714         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
18715         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
18716         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
18717         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
18718         ("vec_unordered<mode>"): ... these.
18719
18720         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
18721         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
18722         ("*vec_extendv2df"): New insn definitions.
18723
18724 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18725
18726         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
18727         ("mulditi3_2", "*muldi3_sign"): New patterns.
18728         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
18729         rename the pattern definition.
18730
18731 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18732
18733         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
18734         expander.
18735         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
18736
18737 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18738
18739         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
18740         instruction if possible.
18741         * config/s390/vector.md (vec_halfnumelts): New mode
18742         attribute.
18743         ("*vec_vllezlf<mode>"): New pattern.
18744
18745 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18746
18747         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
18748         ("popcountv4si2", "popcountv2di2"): Rename to ...
18749         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
18750         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
18751         condition.
18752         ("popcount<mode>2_vxe"): New pattern.
18753
18754 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18755
18756         * common/config/s390/s390-common.c (processor_flags_table): Add
18757         arch12.
18758         * config.gcc: Add arch12.
18759         * config/s390/driver-native.c (s390_host_detect_local_cpu):
18760         Default to arch12 for unknown CPU model numbers.
18761         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
18762         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
18763         PROCESSOR_max sanity check.
18764         * config/s390/s390-opts.h (enum processor_type): Add
18765         PROCESSOR_ARCH12.
18766         * config/s390/s390.c (processor_table): Add arch12.
18767         (s390_expand_builtin): Add check for B_VXE flag.
18768         (s390_issue_rate): Add PROCESSOR_ARCH12.
18769         (s390_get_sched_attrmask): Likewise.
18770         (s390_get_unit_mask): Likewise.
18771         (s390_sched_score): Enable z13 scheduling for arch12.
18772         (s390_sched_reorder): Likewise.
18773         (s390_sched_variable_issue): Likewise.
18774         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
18775         PF_VXE.
18776         (s390_tune_attr): Use z13 scheduling also for arch12.
18777         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
18778         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
18779         (TARGET_VXE_P): New macros.
18780         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
18781         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
18782         * config/s390/s390.opt: Add arch12 as processor_type.
18783
18784 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18785
18786         * config/s390/s390.md
18787         ("fixuns_truncdddi2", "fixuns_trunctddi2")
18788         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
18789         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
18790
18791         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
18792         Rename expanders to ...
18793
18794         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
18795         ("fixuns_truncdddi2_emu"): ... these.
18796
18797         ("fixuns_trunc<mode>si2_emu"): New expander.
18798
18799         ("*fixuns_truncdfdi2_z13"): Rename to ...
18800         ("*fixuns_truncdfdi2_vx"): ... this.
18801
18802 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18803
18804         * config/s390/2964.md: Remove the single element vector compare
18805         instructions which are no longer used.
18806         * config/s390/s390.c (s390_select_ccmode): Remove handling of
18807         vector CCmodes.
18808         (s390_canonicalize_comparison): Remove handling of DFmode
18809         compares.
18810         (s390_expand_vec_compare_scalar): Remove function.
18811         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
18812         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
18813         pattern.
18814         ("*cmp<mode>_ccs"): Add wfcdb instruction.
18815
18816 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18817
18818         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
18819         FP zero.
18820         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
18821         will anyway by matched by mov<mode>_64dfp.
18822
18823 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18824
18825         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
18826         vlef/vstef.  Add missing operand to vleif.
18827
18828 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18829
18830         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
18831         pair for all vector types with 64 bit elements.
18832         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
18833         * config/s390/vector.md (V_HW_64): ... here.
18834         (V_128_NOSINGLE): New mode iterator.
18835         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
18836         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
18837         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
18838         ("*vec_load_pairv2di"): Change to ...
18839         ("*vec_load_pair<mode>"): ... this one.
18840
18841 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18842
18843         * config/s390/constraints.md: Add comments.
18844         (jKK): Reject element sizes > 8 bytes.
18845         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
18846         s_operands.
18847         * config/s390/s390.md: Add the s_operand checks formerly in
18848         s390_split_ok_p to various splitters where they are still
18849         required.
18850         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
18851         for 128 bit vectors.  Plus two splitters.
18852
18853 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18854
18855         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
18856         the file.
18857
18858 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18859
18860         PR target/79893
18861         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
18862         error if the boundary argument is not constant.
18863
18864 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
18865
18866         PR rtl-optimization/80112
18867         * loop-doloop.c (doloop_condition_get): Don't check condition
18868         if cmp isn't SET with IF_THEN_ELSE src.
18869
18870 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18871
18872         PR tree-optimization/80158
18873         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
18874         replacing a candidate statement, also replace it for the
18875         candidate's alternate interpretation.
18876         (replace_rhs_if_not_dup): Likewise.
18877         (replace_one_candidate): Likewise.
18878
18879 2017-03-24  Richard Biener  <rguenther@suse.de>
18880
18881         PR tree-optimization/80167
18882         * graphite-isl-ast-to-gimple.c
18883         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
18884         properly.
18885         (translate_isl_ast_to_gimple::get_rename): Likewise.
18886
18887 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18888
18889         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
18890         handling of certain combinations of target options, including the
18891         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
18892         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
18893
18894 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18895
18896         PR target/71436
18897         * config/arm/arm.md (*load_multiple): Add reload_completed to
18898         matching condition.
18899
18900 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18901             Richard Biener  <rguenth@suse.de>
18902
18903         PR tree-optimization/79908
18904         PR tree-optimization/80136
18905         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
18906         been cast away, gimplify_and_add suffices.
18907
18908 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
18909
18910         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
18911
18912 2017-03-23  Richard Biener  <rguenther@suse.de>
18913
18914         PR tree-optimization/80032
18915         * gimplify.c (gimple_push_cleanup): Forced unconditional
18916         cleanups still have to go to the conditional_cleanups
18917         sequence.
18918
18919 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
18920
18921         PR tree-optimization/80072
18922         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
18923         to unsigned int.
18924         (next_operand_entry_id): Change type to unsigned int.
18925         (sort_by_operand_rank): Make sure to return the right return value
18926         even if unsigned fields are bigger than INT_MAX.
18927         (struct oecount): Change cnt and id type to unsigned int.
18928         (oecount_hasher::equal): Formatting fix.
18929         (oecount_cmp): Make sure to return the right return value
18930         even if unsigned fields are bigger than INT_MAX.
18931         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
18932
18933         PR c++/80129
18934         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
18935         TREE_READONLY on result if writing it more than once.
18936
18937         PR sanitizer/80110
18938         * doc/invoke.texi (-fsanitize=thread): Document that with
18939         -fnon-call-exceptions atomics are not able to throw
18940         exceptions.
18941
18942         PR sanitizer/80110
18943         * tsan.c: Include tree-eh.h.
18944         (instrument_builtin_call): Call maybe_clean_eh_stmt or
18945         maybe_clean_or_replace_eh_stmt where needed.
18946         (instrument_memory_accesses): Add cfg_changed argument.
18947         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
18948         if it returned true.
18949         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
18950
18951         PR rtl-optimization/63191
18952         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
18953         wrapper function, moved the whole old content into ...
18954         (ix86_delegitimize_address_1): ... this.  New inline function.
18955         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
18956         true as last argument instead of ix86_delegitimize_address.
18957
18958 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
18959
18960         * config/aarch64/aarch64.c (generic_branch_cost): Copy
18961         cortexa57_branch_cost.
18962
18963 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
18964
18965         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
18966
18967 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18968
18969         PR target/80123
18970         * doc/md.texi (Constraints): Document wA constraint.
18971         * config/rs6000/constraints.md (wA): New.
18972         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
18973         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
18974         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
18975         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
18976
18977 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
18978
18979         PR c++/80029
18980         * gimplify.c (is_oacc_declared): New function.
18981         (oacc_default_clause): Use it to set default flags for acc declared
18982         variables inside parallel regions.
18983         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
18984         declared variables.
18985         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
18986         declare attribute to any decl as necessary.
18987
18988 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18989
18990         PR target/80082
18991         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
18992         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
18993         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
18994         (arm_arch_lpae): This.
18995         * config/arm/arm.c (arm_arch7ve): Rename into ...
18996         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
18997         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
18998         arm_arch_lpae.
18999
19000 2017-03-22  Martin Liska  <mliska@suse.cz>
19001
19002         PR target/79906
19003         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
19004         error message instead of an ICE.
19005
19006 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19007
19008         * doc/extend.texi (6.11 Additional Floating Types): Revise.
19009
19010 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19011
19012         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
19013         comments.
19014         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19015         comments.
19016
19017 2017-03-21  Martin Sebor  <msebor@redhat.com>
19018
19019         * doc/extend.texi: Use "cannot" instead of "can't."
19020         * doc/hostconfig.texi: Same.
19021         * doc/install.texi: Same.
19022         * doc/invoke.texi: Same.
19023         * doc/loop.texi: Same.
19024         * doc/md.texi: Same.
19025         * doc/objc.texi: Same.
19026         * doc/rtl.texi: Same.
19027         * doc/tm.texi: Same.
19028         * doc/tm.texi.in: Same.
19029         * doc/trouble.texi: Same.
19030
19031 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
19032
19033         PR debug/63238
19034         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
19035         (collect_checksum_attributes): Set it.
19036         (die_checksum_ordered): Use it.
19037
19038 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19039
19040         PR tree-optimization/79908
19041         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
19042         change: For a VA_ARG whose LHS has been cast away, use
19043         force_gimple_operand to construct the side effects.
19044
19045 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
19046
19047         PR translation/80001
19048         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
19049         more amenable to translation.
19050         (oacc_loop_auto_partitions): Likewise.
19051
19052 2017-03-21  Marek Polacek  <polacek@redhat.com>
19053             Martin Sebor  <msebor@redhat.com>
19054
19055         PR tree-optimization/80109
19056         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
19057         on INTEGRAL_TYPE_P.
19058
19059 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19060             Segher Boessenkool  <segher@kernel.crashing.org>
19061
19062         PR target/80125
19063         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
19064         check reg_used_between_p between insn and one of succ or succ2
19065         depending on if succ is artificial insn not inserted into insn
19066         stream.
19067
19068 2017-03-21  Martin Liska  <mliska@suse.cz>
19069
19070         PR gcov-profile/80081
19071         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
19072         * doc/gcc.texi: Include gcov-dump stuff.
19073         * doc/gcov-dump.texi: New file.
19074
19075 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
19076
19077         PR rtl-optimization/79150
19078         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
19079         conditional jump, if the jump is the last insn of the loop.
19080
19081 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19082             Richard Biener  <rguenth@suse.de>
19083
19084         PR tree-optimization/79908
19085         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
19086         been cast away, use force_gimple_operand to construct the side
19087         effects.
19088
19089 2017-03-21  Martin Liska  <mliska@suse.cz>
19090
19091         PR libfortran/79956
19092         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
19093         to NULL.
19094
19095 2017-03-21  Brad Spengler <spender@grsecurity.net>
19096
19097         PR plugins/80094
19098         * plugin.c (htab_hash_plugin): New function.
19099         (add_new_plugin): Use it and adjust.
19100         (parse_plugin_arg_opt): Adjust.
19101         (init_one_plugin): Likewise.
19102
19103 2017-03-21  Richard Biener  <rguenther@suse.de>
19104
19105         PR tree-optimization/80032
19106         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
19107         if set force the cleanup to happen unconditionally.
19108         (gimplify_target_expr): Push inserted clobbers with force_uncond
19109         to avoid them being removed by control-dependent DCE.
19110
19111 2017-03-21  Richard Biener  <rguenther@suse.de>
19112
19113         PR tree-optimization/80122
19114         * tree-inline.c (copy_bb): Do not expans va-arg packs or
19115         va_arg_pack_len when the inlined call stmt requires pack
19116         expansion itself.
19117         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
19118
19119 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
19120
19121         PR sanitizer/78158
19122         * tsan.c (instrument_builtin_call): If the memory model argument
19123         is not a constant, assume it is valid.
19124
19125         PR c/67338
19126         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
19127         avoid UB.
19128
19129 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19130
19131         PR rtl-optimization/79910
19132         * combine.c (can_combine_p): Do not allow combining an I0 or I1
19133         if its dest is used by an insn before I2 (other than the combined
19134         insns themselves, which are properly handled already).
19135
19136 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
19137
19138         Revert:
19139         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
19140
19141         * combine.c (record_used_regs): New static function.
19142         (try_combine): Handle situations where there is an additional
19143         instruction between I2 and I3 which needs to have a LOG_LINK
19144         updated.
19145
19146         Revert:
19147         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
19148
19149         * combine.c (try_combine): Delete redundant i1 test.  Call
19150         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
19151
19152 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19153
19154         PR target/80083
19155         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
19156         alternatives 13/14.
19157
19158 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19159
19160         PR tree-optimization/80054
19161         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
19162         the optimization if a PHI or any of its arguments is not dominated
19163         by the candidate's basis.  Use gphi* rather than gimple* as
19164         appropriate.
19165         (replace_profitable_candidates): Clean up a gimple* variable that
19166         should be a gphi* variable.
19167
19168 2017-03-20  Martin Sebor  <msebor@redhat.com>
19169
19170         PR c++/52477
19171         * doc/extend.texi (attribute constructor): Document present limitation.
19172
19173 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19174
19175         PR target/79963
19176         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
19177         __POWER9_VECTOR__ #ifdef control, change template definition to
19178         use Power9-specific built-in function.
19179         (vec_any_eq): Likewise.
19180         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
19181         to control outcomes from this test.
19182         (vector_ae_<mode>p): For VEC_F modes, likewise.
19183
19184 2017-03-20  Ian Lance Taylor  <iant@google.com>
19185
19186         * config/i386/i386.c (ix86_function_regparm): Save an extra
19187         register for -fsplit-stack with DECL_STATIC_CHAIN.
19188
19189 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
19190
19191         PR target/79912
19192         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
19193         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
19194
19195 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
19196
19197         * config/riscv/riscv.c (riscv_print_operand): Use "fence
19198         iorw,ow".
19199         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
19200         iorw,iorw".
19201
19202 2017-03-20  Marek Polacek  <polacek@redhat.com>
19203
19204         PR sanitizer/80063
19205         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
19206
19207 2017-03-20  Richard Biener  <rguenther@suse.de>
19208
19209         PR tree-optimization/80113
19210         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
19211         allocate extra SSA name for PHI def.
19212         (add_close_phis_to_outer_loops): Likewise.
19213         (add_close_phis_to_merge_points): Likewise.
19214         (copy_loop_close_phi_args): Likewise.
19215         (copy_cond_phi_nodes): Likewise.
19216
19217 2017-03-20  Martin Liska  <mliska@suse.cz>
19218
19219         PR middle-end/79753
19220         * tree-chkp.c (chkp_build_returned_bound): Do not build
19221         returned bounds for a LHS that's not a BOUNDED_P type.
19222
19223 2017-03-20  Martin Liska  <mliska@suse.cz>
19224
19225         PR target/79769
19226         PR target/79770
19227         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
19228         COMPLEX_CST and VECTOR_CST.
19229
19230 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19231
19232         PR target/78857
19233         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
19234         target operand.  A new splitter adds the clobber statement in case
19235         the target operand is dead anyway.
19236
19237 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
19238
19239         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
19240         to age-old versions of binutils and glibc.
19241
19242 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
19243
19244         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
19245
19246 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
19247
19248         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
19249
19250 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
19251
19252         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
19253         requirement for binutils 2.13.
19254
19255 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
19256
19257         * combine.c (try_combine): Delete redundant i1 test.  Call
19258         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
19259
19260 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
19261
19262         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
19263         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
19264         contents.
19265         <riscv64-*-elf>: Re-arrange section
19266         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
19267         <riscv32-*-linux>: Likewise.
19268         <riscv64-*-elf>: Likewise
19269         <riscv64-*-linux>: Likewise.
19270
19271 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
19272
19273         PR target/80052
19274         * aarch64.opt(verbose-cost-dump): Fix typo.
19275
19276 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
19277
19278         PR target/79951
19279         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
19280         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
19281
19282 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
19283
19284         * reload.c (find_reloads): When reloading a nonoffsettable address,
19285         use RELOAD_OTHER for it and its address reloads.
19286
19287         PR rtl-optimization/79910
19288         * combine.c (record_used_regs): New static function.
19289         (try_combine): Handle situations where there is an additional
19290         instruction between I2 and I3 which needs to have a LOG_LINK
19291         updated.
19292
19293 2017-03-17  Jeff Law  <law@redhat.com>
19294
19295         PR tree-optimization/71437
19296         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
19297         conditional in the hash table first.
19298         (vrp_dom_walker::before_dom_children): Extract condition from
19299         ASSERT_EXPR.  Record condition, its inverion and any implied
19300         conditions as well.
19301
19302 2017-03-17  Marek Polacek  <polacek@redhat.com>
19303             Markus Trippelsdorf  <markus@trippelsdorf.de>
19304
19305         PR tree-optimization/80079
19306         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
19307         m_stores_head.
19308
19309 2017-03-17  Richard Biener  <rguenther@suse.de>
19310
19311         PR middle-end/80075
19312         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
19313         Properly verify the LHS before the RHS possibly claims to be
19314         handled.
19315         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
19316         do not throw.
19317
19318 2017-03-17  Martin Jambor  <mjambor@suse.cz>
19319
19320         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
19321         (List of -O2 options): Likewise.
19322         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
19323         (-fipa-vrp) New.
19324
19325 2017-03-17  Tom de Vries  <tom@codesourcery.com>
19326
19327         * gcov-dump.c (print_usage): Print bug_report_url.
19328
19329 2017-03-17  Richard Biener  <rguenther@suse.de>
19330
19331         PR middle-end/80050
19332         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
19333         (parser::peek): Likewise.
19334
19335 2017-03-17  Richard Biener  <rguenther@suse.de>
19336
19337         PR tree-optimization/80048
19338         * sese.c (free_sese_info): Properly release rename_map and
19339         copied_bb_map elements.
19340
19341 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
19342
19343         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
19344         Add linked-list forward and backlinks.  Insert on
19345         construction, remove on destruction.
19346         (class pass_store_merging): Add m_stores_head field.
19347         (pass_store_merging::terminate_and_process_all_chains):
19348         Iterate over m_stores_head list.
19349         (pass_store_merging::terminate_all_aliasing_chains):
19350         Likewise.
19351         (pass_store_merging::execute): Check for debug stmts first.
19352         Push new chains onto the m_stores_head stack.
19353
19354 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
19355
19356         PR target/71294
19357         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
19358         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
19359         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
19360
19361 2017-03-16  Jeff Law  <law@redhat.com>
19362
19363         PR tree-optimization/71437
19364         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
19365         member function.  Implementation moved into after_dom_children
19366         member function and into the threader's thread_outgoing_edges
19367         function.
19368         (dom_opt_dom_walker::after_dom_children): Simplify by moving
19369         some code into new thread_outgoing_edges.
19370         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
19371         definition.  Simplify marker handling (do it here).   Assume we always
19372         have the available expression and the const/copies tables.
19373         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
19374         and tree-vrp.c
19375         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
19376         * tree-vrp.c (equiv_stack): No longer file scoped.
19377         (vrp_dom_walker): New class.
19378         (vrp_dom_walker::before_dom_children): New member function.
19379         (vrp_dom_walker::after_dom_children): Likewise.
19380         (identify_jump_threads):  Setup domwalker.  Use it rather than
19381         walking edges in a random order by hand.  Simplify setup/finalization.
19382         (finalize_jump_threads): Remove.
19383         (vrp_finalize): Do not call identify_jump_threads here.
19384         (execute_vrp): Do it here instead and call thread_through_all_blocks
19385         here too.
19386
19387         PR tree-optimization/71437
19388         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
19389         callers changed.
19390         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
19391         callers changed.
19392         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
19393         (dom_opt_dom_walker::thread_across_edge): Remove
19394         handle_dominating_asserts argument.  All callers changed.
19395         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
19396         changes.  Remove calls to lhs_of_dominating_assert.  Other
19397         uses of handle_dominating_asserts turn into unconditional code
19398         (simplify_control_stmt_condition_1): Likewise.
19399         (simplify_control_stmt_condition): Likewise.
19400         (thread_through_normal_block, thread_across_edge): Likewise.
19401         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
19402         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
19403         object if it is not an SSA_NAME.
19404         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
19405         before calling into the VRP specific simplifiers.
19406         (identify_jump_threads): Remove handle_dominating_asserts
19407         argument.
19408
19409 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
19410
19411         PR fortran/79886
19412         * tree-diagnostic.c (default_tree_printer): No longer static.
19413         * tree-diagnostic.h (default_tree_printer): New prototype.
19414
19415 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
19416
19417         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
19418         Change ins into fmov.
19419
19420 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19421
19422         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
19423         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
19424         Use h_con constraint for operand 1.
19425         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
19426         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
19427
19428 2017-03-15  Jeff Law  <law@redhat.com>
19429
19430         PR tree-optimization/71437
19431         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
19432         (record_temporary_equivalences): Use it.
19433
19434         PR tree-optimization/71437
19435         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
19436         tree-ssa-scopedtables.
19437         (lookup_avail_expr, build_and_record_new_cond): Likewise.
19438         (record_conditions, record_cond, vuse_eq): Likewise.
19439         (record_edge_info): Adjust to API tweak of record_conditions.
19440         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
19441         (record_temporary_equivalences, optimize_stmt): Likewise.
19442         (eliminate_redundant_computations): Likewise.
19443         (record_equivalences_from_stmt): Likewise.
19444         * tree-ssa-scopedtables.c: Include options.h and params.h.
19445         (vuse_eq): New function, moved from tree-ssa-dom.c
19446         (build_and_record_new_cond): Likewise.
19447         (record_conditions): Likewise.  Accept vector of conditions rather
19448         than edge_equivalence structure for first argument.
19449         for the first argument.
19450         (avail_exprs_stack::lookup_avail_expr): New member function, moved
19451         from tree-ssa-dom.c.
19452         (avail_exprs_stack::record_cond): Likewise.
19453         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
19454         from tree-ssa-dom.c.
19455         (avail_exprs_stack): Add new member functions lookup_avail_expr
19456         and record_cond.
19457         (record_conditions): Declare.
19458
19459 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
19460
19461         PR target/80017
19462         * lra-constraints.c (process_alt_operands): Increase reject for
19463         reloading an input/output operand.
19464
19465 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
19466
19467         PR target/79038
19468         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
19469         insns to convert from signed/unsigned char/short to IEEE 128-bit
19470         floating point.
19471         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
19472
19473 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
19474
19475         PR target/80019
19476         * config/i386/i386.c (ix86_vector_duplicate_value): Create
19477         subreg of inner mode for values already in registers.
19478
19479 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
19480
19481         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
19482         iteration reg is used after the loop.
19483
19484 2017-03-14  Martin Sebor  <msebor@redhat.com>
19485
19486         PR tree-optimization/79800
19487         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
19488         precision in negative-positive range.
19489         (format_floating): Call non-const overload with adjusted precision.
19490
19491 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
19492
19493         PR target/79947
19494         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
19495         -mpowerpc-gfxopt.
19496
19497 2017-03-14  Martin Sebor  <msebor@redhat.com>
19498
19499         PR middle-end/80020
19500         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
19501         * builtins.def (aligned_alloc): Use it.
19502
19503         PR c/79936
19504         * Makefile.in (GTFILES): Add calls.c.
19505         * calls.c: Include "gt-calls.h".
19506
19507 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
19508
19509         PR rtl-optimization/79728
19510         * regs.h (struct target_regs): New field
19511         x_contains_allocatable_regs_of_mode.
19512         (contains_allocatable_regs_of_mode): New macro.
19513         * reginfo.c (init_reg_sets_1): Initialize it, and change
19514         contains_reg_of_mode so it includes global regs as well.
19515         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
19516         rather than contains_regs_of_mode.
19517
19518 2017-03-14  Martin Liska  <mliska@suse.cz>
19519
19520         * doc/invoke.texi: Document options that can't be combined with
19521         -fcheck-pointer-bounds.
19522
19523 2017-03-14  Martin Liska  <mliska@suse.cz>
19524
19525         PR middle-end/79831
19526         * doc/invoke.texi (-Wchkp): Document the option.
19527
19528 2017-03-14  Martin Liska  <mliska@suse.cz>
19529
19530         * Makefile.in: Install gcov-dump.
19531
19532 2017-03-14  Martin Liska  <mliska@suse.cz>
19533
19534         * multiple_target.c (expand_target_clones): Bail out for
19535         an invalid attribute.
19536
19537 2017-03-14  Richard Biener  <rguenther@suse.de>
19538
19539         * alias.c (struct alias_set_entry): Pack properly.
19540         * cfgloop.h (struct loop): Likewise.
19541         * cse.c (struct set): Likewise.
19542         * ipa-utils.c (struct searchc_env): Likewise.
19543         * loop-invariant.c (struct invariant): Likewise.
19544         * lra-remat.c (struct cand): Likewise.
19545         * recog.c (struct change_t): Likewise.
19546         * rtl.h (struct address_info): Likewise.
19547         * symbol-summary.h (function_summary): Likewise.
19548         * tree-loop-distribution.c (struct partition): Likewise.
19549         * tree-object-size.c (struct object_size_info): Likewise.
19550         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
19551         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
19552         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
19553         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
19554         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
19555         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
19556         (struct _stmt_vec_info): Likewise.
19557
19558 2017-03-14  Martin Liska  <mliska@suse.cz>
19559
19560         PR target/79892
19561         * multiple_target.c (create_dispatcher_calls): Check that
19562         a target can create a function dispatcher.
19563
19564 2017-03-14  Martin Liska  <mliska@suse.cz>
19565
19566         PR lto/66295
19567         * multiple_target.c (expand_target_clones): Drop local.local
19568         flag for default implementation.
19569
19570 2017-03-14  Richard Biener  <rguenther@suse.de>
19571
19572         PR tree-optimization/80030
19573         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
19574
19575 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
19576
19577         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
19578         gcc_fallthrough() instead of __attribute__((fallthrough));
19579
19580 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
19581
19582         * doc/gcc.texi: Remove "up" link to (DIR).
19583         * doc/gccint.texi: Ditto.
19584
19585 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
19586
19587         * doc/install.texi (Specific) <avr>: Remove reference to
19588         binutils 2.13.
19589
19590 2017-03-13  Jeff Law  <law@redhat.com>
19591
19592         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
19593         attribute rather than comments.
19594
19595         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
19596         match_scratch operand is highest.
19597
19598 2017-03-13  Martin Liska  <mliska@suse.cz>
19599
19600         PR middle-end/78339
19601         * ipa-pure-const.c (warn_function_noreturn): If the declarations
19602         is a CHKP clone, use original declaration.
19603
19604 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19605
19606         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
19607         (arc_conditional_register_usage): Use a different allocation order
19608         when optimizing for size.
19609         * common/config/arc/arc-common.c (arc_option_optimization_table):
19610         Section anchors default on when optimizing for size.
19611
19612 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19613
19614         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
19615
19616 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19617
19618         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
19619         * config/arc/arc.md (cpu_facility): Add cd variant.
19620         (*movqi_insn): Add code density variant.
19621         (*movhi_insn): Likewise.
19622         (*movqi_insn): Likewise.
19623         (*addsi3_mixed): Likewise.
19624         (subsi3_insn): Likewise.
19625
19626 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19627
19628         * config/arc/arc.md (movsi_cond_exec): Update constraint.
19629
19630 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
19631
19632         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
19633         expressions with MINUS and UNARY ops.
19634
19635 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19636
19637         PR target/79911
19638         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
19639         Rename to...
19640         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
19641         between vec_select and vector argument.
19642         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
19643         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
19644         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
19645         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
19646         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
19647         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
19648
19649 2017-03-13  Richard Biener  <rguenther@suse.de>
19650
19651         PR other/79991
19652         * params.def (vect-max-peeling-for-alignment): Fix typo.
19653
19654 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
19655
19656         * doc/install.texi (Specific) <mips-*-*>: Remove description of
19657         issue that only occurred with binutils below 2.18.
19658
19659 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
19660
19661         * doc/install.texi (Specific) <cris-axis-elf>: No longer
19662         refer to binutils 2.11/2.12 minimum.
19663
19664 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
19665
19666         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
19667         ftp.kernel.org and simplify binutils requirement.
19668
19669 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
19670
19671         * doc/invoke.texi (Warning Options): Fix spelling of link-time
19672         optimization.
19673         (Optimize Options): Ditto.  Also remove redundancy.
19674
19675 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19676
19677         PR translation/79848
19678         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
19679         "%qs".
19680         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
19681         to G_ to avoid double translation.
19682
19683 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19684
19685         PR translation/79923
19686         * auto-profile.c (get_combined_location): Convert leading
19687         character of diagnostics to lower case and remove trailing period.
19688         (read_profile): Likewise for various diagnostics.
19689         * config/arm/arm.c (arm_option_override): Remove trailing period
19690         from various diagnostics.
19691         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
19692         (msp430_expand_delay_cycles): Likewise.
19693
19694 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19695
19696         PR target/79925
19697         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
19698         full command-line argument, rather than just "str".
19699         (aarch64_validate_march): Likewise.
19700         (aarch64_validate_mtune): Likewise.
19701
19702 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
19703
19704         PR rtl-optimization/78911
19705         * lra-assigns.c (must_not_spill_p): New function.
19706         (spill_for): Use it.
19707
19708 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
19709
19710         PR tree-optimization/79981
19711         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
19712         ATOMIC_COMPARE_EXCHANGE ifn result.
19713         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
19714         IFN_ATOMIC_COMPARE_EXCHANGE.
19715
19716 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19717
19718         PR driver/79875
19719         * opts.c (parse_sanitizer_options): Add missing question mark to
19720         "did you mean" message.
19721
19722 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19723
19724         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
19725         built-in.
19726         (VMULEUH_UNS): Likewise.
19727         (VMULOUB_UNS): Likewise.
19728         (VMULOUH_UNS): Likewise.
19729         * config/rs6000/rs6000.c (builtin_function_type): Remove
19730         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
19731
19732 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
19733
19734         PR bootstrap/79952
19735         * read-rtl-function.c (function_reader::read_rtx_operand): Update
19736         x with result of extra_parsing_for_operand_code_0.
19737         (function_reader::extra_parsing_for_operand_code_0): Convert
19738         return type from void to rtx, returning x.  When reading
19739         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
19740         larger size containing struct block_symbol.
19741
19742 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
19743
19744         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
19745         -mfloat128-hardware without -m64.
19746
19747 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
19748
19749         PR target/79941
19750         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
19751         entries to the case statement that marks unsigned arguments to
19752         overloaded functions.
19753
19754 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19755
19756         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
19757         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
19758
19759 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
19760
19761         PR target/79907
19762         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
19763         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
19764
19765 2017-03-10  Martin Liska  <mliska@suse.cz>
19766
19767         PR target/65705
19768         PR target/69804
19769         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
19770         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
19771         FIELD != NULL.
19772
19773 2017-03-10  Olivier Hainque  <hainque@adacore.com>
19774
19775         * tree-switch-conversion (array_value_type): Start by resetting
19776         candidate type to it's main variant.
19777
19778 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
19779
19780         PR rtl-optimization/79909
19781         * combine.c (try_combine): Use simplify_replace_rtx on individual
19782         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
19783         of the whole CALL_INSN_FUNCTION_USAGE.
19784
19785         PR tree-optimization/79972
19786         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
19787         get_range_info on SSA_NAMEs.  Formatting fixes.
19788
19789 2017-03-10  Richard Biener  <rguenther@suse.de>
19790             Jakub Jelinek  <jakub@redhat.com>
19791
19792         PR tree-optimization/77975
19793         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
19794         edge to be constant.
19795         (get_val_for): For constant x return it.  Formatting fix.
19796         (loop_niter_by_eval): Avoid pointless looping if the next iteration
19797         would use the same bases as the current one.
19798
19799 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19800
19801         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
19802         instead of vec_select for V1TImode.
19803         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
19804         longer needed.
19805         (VSX_LE_128): Add V1TI to this mode iterator.
19806         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
19807         (*vsx_le_perm_store_<mode>): Likewise.
19808         (pre-reload splitter for VSX stores): Likewise.
19809         (post-reload splitter for VSX stores): Likewise.
19810         (*vsx_xxpermdi2_le_<mode>): Likewise.
19811         (*vsx_lxvd2x2_le_<mode>): Likewise.
19812         (*vsx_stxvd2x2_le_<mode>): Likewise.
19813
19814 2017-03-09  Michael Eager  <eager@eagercon.com>
19815
19816         Correct failures with --enable-checking=yes,rtl.
19817
19818         * config/microblaze/microblaze.c (microblaze_expand_shift):
19819         Replace GET_CODE test with CONST_INT_P and INTVAL test with
19820         test for const0_rtx.
19821         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
19822         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
19823
19824 2017-03-09  Richard Biener  <rguenther@suse.de>
19825
19826         PR tree-optimization/79977
19827         * graphite-scop-detection.c (scop_detection::merge_sese):
19828         Handle the case of extra exits to blocks dominating the entry.
19829
19830 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
19831
19832         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
19833         Document rdynamic.
19834
19835 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
19836
19837         PR rtl-optimization/79949
19838         * lra-constraints.c (process_alt_operands): Check memory when
19839         trying to predict a cycle.  Print about the overall increase.
19840
19841 2017-03-09  Richard Biener  <rguenther@suse.de>
19842
19843         PR middle-end/79971
19844         * gimple-expr.c (useless_type_conversion_p): Preserve
19845         TYPE_SATURATING for fixed-point types.
19846
19847 2017-03-09  Richard Biener  <rguenther@suse.de>
19848
19849         PR ipa/79970
19850         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
19851         alignment of BLKmode params.
19852
19853 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19854
19855         PR target/79913
19856         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
19857         (VALL_NO_V2Q): Likewise.
19858         (VDQF_DF): Delete.
19859         * config/aarch64/aarch64-simd.md
19860         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
19861         iterator.
19862         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
19863         VALL_NO_V2Q mode iterator.
19864         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
19865
19866 2017-03-09  Martin Liska  <mliska@suse.cz>
19867
19868         PR tree-optimization/79631
19869         * tree-chkp-opt.c (chkp_is_constant_addr): Call
19870         tree_int_cst_sign_bit just for INTEGER constants.
19871
19872 2017-03-09  Martin Liska  <mliska@suse.cz>
19873
19874         PR target/65705
19875         PR target/69804
19876         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
19877         sanitizers.
19878
19879 2017-03-09  Marek Polacek  <polacek@redhat.com>
19880
19881         PR c++/79672
19882         * tree.c (inchash::add_expr): Handle TREE_VEC.
19883
19884 2017-03-09  Martin Liska  <mliska@suse.cz>
19885
19886         PR ipa/79764
19887         (chkp_narrow_size_and_offset): New function.
19888         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
19889         (void chkp_parse_bit_field_ref): New function.
19890         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
19891         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
19892
19893 2017-03-09  Martin Liska  <mliska@suse.cz>
19894
19895         PR ipa/79761
19896         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
19897         (chkp_find_bounds_1): Remove gcc_unreachable.
19898
19899 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
19900
19901         PR sanitizer/79944
19902         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
19903         BUILT_IN_SYNC*, determine the access type from the size suffix and
19904         always build a MEM_REF with that type.  Handle forgotten
19905         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
19906
19907         PR target/79932
19908         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
19909         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
19910         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
19911         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
19912         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
19913         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
19914         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
19915         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
19916         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
19917         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
19918         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
19919         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
19920         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
19921         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
19922         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
19923         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
19924         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
19925         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
19926         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
19927         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
19928         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
19929         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
19930         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
19931         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
19932         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
19933         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
19934         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
19935         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
19936         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
19937         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
19938         definitions outside of __OPTIMIZE__ guarded section.
19939
19940         PR target/79932
19941         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
19942         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
19943         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
19944         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
19945         guarded section.
19946
19947 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19948
19949         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
19950         ("vfenez<mode>"): Add missing constraints.
19951
19952 2017-03-08  Martin Sebor  <msebor@redhat.com>
19953
19954         PR target/79928
19955         * config/nds32/nds32.c (nds32_option_override):
19956         Fix misspelled diagnostic.
19957
19958 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
19959
19960         PR c/79940
19961         * gimplify.c (gimplify_omp_for): Replace index var in outer
19962         taskloop statement with an artificial variable and add
19963         OMP_CLAUSE_PRIVATE clause for it.
19964
19965 2017-03-08  Richard Biener  <rguenther@suse.de>
19966
19967         PR tree-optimization/79955
19968         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
19969         for accesses that are completely outside of the variable.
19970
19971 2017-03-08  Andrew Haley  <aph@redhat.com>
19972
19973         PR tree-optimization/79943
19974         * tree-ssa-loop-split.c (compute_new_first_bound): When
19975         calculating the new upper bound, (END-BEG) should be added, not
19976         subtracted.
19977
19978 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
19979
19980         * config/avr/avr.md (setmemhi): Make sure match_dup
19981         operand number comes before match_scratch.
19982
19983 2017-03-08  Richard Biener  <rguenther@suse.de>
19984
19985         PR tree-optimization/79920
19986         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
19987         with ncopies == 1 to ...
19988         (vect_transform_slp_perm_load): ... here.  Properly compute
19989         all element loads by iterating VF times over the group.  Do
19990         not handle ncopies (computed in a broken way) in
19991         vect_create_mask_and_perm.
19992
19993 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
19994
19995         PR sanitizer/79904
19996         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
19997         is a uniform vector, use uniform_vector_p return value instead of
19998         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
19999
20000 2017-03-07  Marek Polacek  <polacek@redhat.com>
20001
20002         PR middle-end/79809
20003         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
20004         (alloca_call_type): Likewise.
20005
20006 2017-03-07  Martin Liska  <mliska@suse.cz>
20007
20008         * gcov.c (process_args): Put comment to correct location.
20009
20010 2017-03-07  Martin Liska  <mliska@suse.cz>
20011
20012         PR middle-end/68270
20013         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
20014         Use array_at_struct_end_p instead of DECL_CHAIN (field).
20015         (chkp_narrow_bounds_for_field): Likewise.
20016         (chkp_parse_array_and_component_ref): Pass one more argument to
20017         call.
20018
20019 2017-03-07  Richard Biener  <rguenther@suse.de>
20020
20021         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
20022         preheaders.
20023
20024 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
20025
20026         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
20027         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
20028
20029 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20030
20031         PR c/79855
20032         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
20033         to end of description.
20034         (PARAM_MAX_STORES_TO_MERGE): Likewise.
20035
20036 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
20037
20038         PR rtl-optimization/79901
20039         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
20040         ...
20041         (*avx512f_<code><mode>3<mask_name>): ... this.
20042         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
20043         iterator instead of VI8_AVX2_AVX512BW.
20044
20045         PR rtl-optimization/79901
20046         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
20047         min/max expander, expand it using expand_vec_cond_expr.
20048
20049         PR sanitizer/79897
20050         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
20051         temporary.
20052
20053 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20054
20055         PR c++/79821
20056         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
20057         to void * for PCH reasons.
20058         * dwarf2out.c (output_loc_operands, output_die): Cast
20059         v.val_vec.array to unsigned char *.
20060
20061 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
20062
20063         PR target/77850
20064         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
20065         vector types.
20066
20067 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
20068
20069         PR rtl-optimization/79571
20070         * lra-constraints.c (process_alt_operands): Calculate static
20071         reject and subtract it from overall when only addresses will be
20072         reloaded.
20073
20074 2017-03-06  Julia Koval  <julia.koval@intel.com>
20075
20076         PR target/79793
20077         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
20078         incoming stack boundary to 128 for 64-bit targets.
20079
20080 2017-03-06  Richard Biener  <rguenther@suse.de>
20081
20082         PR tree-optimization/79894
20083         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
20084         to NULL after folding it.
20085
20086 2017-03-06  Richard Biener  <rguenther@suse.de>
20087
20088         PR tree-optimization/79824
20089         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
20090         check disabling peeling for gaps.
20091
20092 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
20093
20094         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
20095         attributes): Document gettimeofday.
20096
20097 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20098
20099         * config/s390/s390.c (s390_option_override_internal): Set
20100         PARAM_MIN_VECT_LOOP_BOUND
20101
20102 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
20103
20104         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
20105         * config/s390/s390.md: Likewise.
20106
20107 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
20108
20109         PR target/79812
20110         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
20111         (<avx2_avx512>_perm<mode>): Rename to ...
20112         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
20113         of VI8F_256_512.
20114         (<avx512>_perm<mode>_mask): Rename to ...
20115         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
20116         of VI8F_256_512.
20117         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
20118         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
20119         instead of VI8F_256_512.
20120         (avx512f_perm<mode>): New define_expand.
20121         (avx512f_perm<mode>_mask): Likewise.
20122         (avx512f_perm<mode>_1<mask_name>): New define_insn.
20123         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
20124
20125 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20126
20127         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
20128         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
20129         if_then_else.
20130         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
20131
20132 2017-03-06  Martin Liska  <mliska@suse.cz>
20133
20134         PR sanitize/79783
20135         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
20136         when having a SSA NAME w/o VAR_DECL assigned to it.
20137
20138 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20139
20140         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
20141         msa_dpsub_<su>_d): Fix MODE for vec_select.
20142
20143 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
20144
20145         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
20146         argument.
20147         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
20148
20149 2017-03-06  Richard Biener  <rguenther@suse.de>
20150
20151         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
20152         * plugin.c (register_plugin_info): Likewise.
20153         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
20154
20155 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
20156
20157         * config/i386/sse.md (sse_storehps, sse_storelps,
20158         avx_<castmode><avxsizesuffix>_<castmode>,
20159         avx512f_<castmode><avxsizesuffix>_<castmode>,
20160         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
20161         in condition that at least one operand is not a MEM.
20162
20163 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
20164
20165         PR middle-end/79805
20166         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
20167         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
20168         ECF_NOTHROW.
20169         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
20170         gimple_call_nothrow_p flag based on whether original builtin can throw.
20171         If it can, emit following stmts on the fallthrough edge.
20172         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
20173         don't create new bb if inserting just debug stmts on the edge, try to
20174         insert them on the fallthru bb or just reset debug stmts.
20175
20176 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
20177
20178         PR target/43763
20179         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
20180         restore recog_data (including the operand rtxes inside it) around
20181         the call to get_insn_template.
20182
20183 2017-03-03  Martin Sebor  <msebor@redhat.com>
20184
20185         PR tree-optimization/79699
20186         * context.c (context::~context): Free MPFR caches to avoid
20187         a memory leak on program exit.
20188
20189 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20190
20191         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
20192         Use wide_int::ulow () instead of .elt (0).
20193
20194 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
20195
20196         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
20197         (*pushxf): Limit oF constraint to 32bit targets and add oC
20198         constraint for 64bit targets.
20199         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
20200         (*pushdf): Change rmF constraint to rmC.
20201
20202 2017-03-03  Martin Liska  <mliska@suse.cz>
20203
20204         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
20205         Remove unused variable.
20206
20207 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
20208
20209         PR target/79807
20210         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
20211         is a memory operand, increase num_memory.
20212         (ix86_expand_args_builtin): Likewise.
20213
20214 2017-03-03  Jan Hubicka  <jh@suse.cz>
20215
20216         PR lto/79760
20217         * ipa-devirt.c (maybe_record_node): Properly handle
20218         __cxa_pure_virtual visibility.
20219
20220 2017-03-03  Martin Liska  <mliska@suse.cz>
20221
20222         PR tree-optimization/79803
20223         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
20224         assert.
20225         (pass_loop_prefetch::execute): Disabled optimization if an
20226         assumption about L1 cache size is not met.
20227
20228 2017-03-03  Martin Liska  <mliska@suse.cz>
20229
20230         PR rtl-optimization/79574
20231         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
20232         (hash_scan_set): Likewise.
20233         (dump_hash_table): Likewise.
20234         (hoist_code): Likewise.
20235
20236 2017-03-03  Richard Biener  <rguenther@suse.de>
20237
20238         * fixed-value.c (fixed_from_string): Restore use of elt (1)
20239         in place of uhigh ().
20240         (fixed_convert_from_real): Likewise.
20241
20242 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
20243
20244         PR target/79514
20245         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
20246
20247 2017-03-03  Richard Biener  <rguenther@suse.de>
20248
20249         PR middle-end/79818
20250         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
20251         TYPE_OVERFLOW_UNDEFINED check.
20252
20253 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20254
20255         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
20256         numbers.
20257         (vector_ae_<mode>_p): Likewise.
20258         (vector_nez_<mode>_p): Likewise.
20259         (vector_ne_v2di_p): Likewise.
20260         (vector_ae_v2di_p): Likewise.
20261         (vector_ne_<mode>_p): Likewise.
20262         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
20263         numbers.
20264         (vsx_tsqrt<mode>2_fe): Likewise.
20265
20266 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
20267
20268         PR target/79514
20269         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
20270
20271 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
20272
20273         PR rtl-optimization/79780
20274         * cprop.c (one_cprop_pass): When second and further conditional trap
20275         in a single basic block is turned into an unconditional trap, turn it
20276         into a deleted note to avoid RTL verification failures.
20277
20278 2017-03-02  Richard Biener  <rguenther@suse.de>
20279
20280         * fold-const.c (const_binop): Use ulow () instead of elt (0).
20281
20282 2017-03-02  Richard Biener  <rguenther@suse.de>
20283
20284         PR tree-optimization/79345
20285         PR c++/42000
20286         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
20287         param and abort the walk, returning -1 if it is hit.
20288         (walk_aliased_vdefs): Take a limit param and pass it on.
20289         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
20290         defaulting to 0 and return a signed int.
20291         * tree-ssa-uninit.c (struct check_defs_data): New struct.
20292         (check_defs): New helper.
20293         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
20294         about uninitialized memory.
20295         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
20296         bogus uninitialized warning.
20297         (fixed_convert_from_real): Likewise.
20298
20299 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
20300
20301         PR tree-optimization/66768
20302         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
20303         iv_use if base object can't be determined.
20304
20305 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
20306
20307         PR tree-optimization/79345
20308         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
20309         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
20310         (get_pattern_stats): Initialize it.
20311         * genemit.c (gen_expand): Verify match_scratch numbers come after
20312         match_operand/match_dup numbers.
20313         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
20314         match_scratch numbers.
20315         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
20316         Likewise.
20317         * config/s390/s390.md (trunctdsd2): Likewise.
20318
20319 2017-03-02  Richard Biener  <rguenther@suse.de>
20320
20321         * wide-int.h (wide_int_storage::operator=): Implement in terms
20322         of wi::copy.
20323
20324 2017-03-02  Richard Biener  <rguenther@suse.de>
20325
20326         PR tree-optimization/79777
20327         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
20328         the to insert expression to sth existing.
20329
20330 2017-03-01  Martin Sebor  <msebor@redhat.com>
20331
20332         PR middle-end/79692
20333         * gimple-ssa-sprintf.c
20334         (directive::known_width_and_precision): New function.
20335         (format_integer): Use it.
20336         (get_mpfr_format_length): Consider the full range of precision
20337         when computing %g output with the # flag.  Set the likely byte
20338         count to 3 rather than 1 when precision is indeterminate.
20339         (format_floating): Correct the lower bound of precision.
20340
20341 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20342
20343         * doc/invoke.texi: Document default code model for 64-bit Linux.
20344
20345 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20346
20347         PR target/79752
20348         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
20349         udiv rather than div since input pattern is unsigned.
20350
20351 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
20352
20353         * config/i386/i386.c (print_reg): Warn for values of
20354         unsupported size in integer register.
20355
20356 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
20357
20358         PR target/79439
20359         * config/rs6000/predicates.md (current_file_function_operand): Do
20360         not allow self calls to be local if the function is replaceable.
20361
20362 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20363
20364         PR target/79395
20365         * config/rs6000/altivec.h (vec_ctz and others): Change the
20366         preprocessor macro that controls conditional compilation from
20367         _ARCH_PWR9 to __POWER9_VECTOR__.
20368         (vec_all_ne): Change parameterization of __altivec_scalar_pred
20369         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
20370         control (instead of _ARCH_PWR9 control) so that template
20371         definition uses power9-specific function.
20372         (vec_any_eq): Likewise.
20373         (vec_all_ne): Change macro definition to use a power9-specific
20374         expansion under #ifdef __POWER9_VECTOR__ control (instead of
20375         _ARCH_PWR9 control).
20376         (vec_any_eq) Likewise.
20377         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
20378         expansion for CMPNEF to remove support for xvcmpnesp instruction.
20379         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
20380         support for xvcmpnedp instruction.
20381         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
20382         macro expansion so that Power9 implementation of vec_all_ne does
20383         not use the AltiVec predicate framework.
20384         (VCMPNEH_P): Likewise.
20385         (VCMPNEW_P): Likewise.
20386         (VCMPNED_P): Likewise.
20387         (VCMPNEFP_P): Likewise.
20388         (VCMPNEDP_P): Likewise.
20389         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
20390         implementation of vec_any_eq to not use AltiVec predicate
20391         framework.
20392         (VCMPAEH_P): Likewise.
20393         (VCMPAEW_P): Likewise.
20394         (VCMPAED_P): Likewise.
20395         (VCMPAEFP_P): Likewise.
20396         (VCMPAEDP_P): Likewise.
20397         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
20398         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
20399         not use the AltiVec predicate framework.
20400         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
20401         of vec_any_eq to not use AltiVec predicate framework.
20402         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
20403         support for predefined __POWER9_VECTOR__ macro to indicate that
20404         Power9 instruction selection is enabled.
20405         (altivec_overloaded_builtins): Remove extraneous
20406         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
20407         function argument types RS6000_BTI_bool_V16QI and
20408         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
20409         entry for overloaded function argument types RS6000_BTI_bool_V4SI
20410         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
20411         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
20412         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
20413         Power9 for implementations of vec_cmpne.  Change the signature for
20414         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
20415         (representing vec_all_ne) to remove the previously described first
20416         argument of type RS6000_BTI_INTSI, as this was an artifact of
20417         reliance on the AltiVec predicate framework, which is no longer
20418         used in the implementation of these functions.  Add
20419         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
20420         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
20421         since, unlike the AltiVec predicate framework implementation, we
20422         do not share function descriptors between vec_alle and vec_anyeq.
20423         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
20424         set of modes that receive special treatment even when
20425         TARGET_P9_VECTOR is true.  The special treatment emits code that
20426         does not depend on Power9 instructions.
20427         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
20428         define_expand to not rely on AltiVec predicate framework.
20429         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
20430         function.
20431         (vector_ne_v2di_p): Change this define_expand to not rely on
20432         AltiVec predicate framework.
20433         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
20434         function.
20435         (vector_ne_<mode>_p): Change this define_expand to not rely on
20436         AltiVec predicate framework.
20437         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
20438         function.
20439         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
20440         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
20441         define_insn pattern.
20442         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
20443         define_insn pattern because the xvcmpne<VSs>. instruction is not
20444         supported.
20445         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
20446         instruction is not supported.
20447
20448 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
20449
20450         * config/nvptx/nvptx.c: Include intl.h.
20451
20452 2017-03-01  Martin Jambor  <mjambor@suse.cz>
20453
20454         PR lto/78140
20455         * ipa-prop.h (ipa_bits): Removed field known.
20456         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
20457         to pointers.  Adjusted their comments to warn about their sharing.
20458         (ipcp_transformation_summary): Change bits to a vector of pointers.
20459         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
20460         (ipa_get_ipa_bits_for_value): Declare.
20461         * tree-vrp.h (value_range): Mark as GTY((for_user)).
20462         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
20463         (ipa_bits_hash_table): Likewise.
20464         (ipa_vr_ggc_hash_traits): Likewise.
20465         (ipa_vr_hash_table): Likewise.
20466         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
20467         being pointers and vr_known being removed.
20468         (ipa_set_jf_unknown): Likewise.
20469         (ipa_get_ipa_bits_for_value): New function.
20470         (ipa_set_jfunc_bits): Likewise.
20471         (ipa_get_value_range): New overloaded functions.
20472         (ipa_set_jfunc_vr): Likewise.
20473         (ipa_compute_jump_functions_for_edge): Use the above functions to
20474         construct bits and vr parts of jump functions.
20475         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
20476         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
20477         exist.
20478         (ipcp_grow_transformations_if_necessary): Also allocate
20479         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
20480         exist.
20481         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
20482         them.  Fix too long lines.
20483         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
20484         vr_known being removed.
20485         (ipa_read_jump_function): Use new setter functions to construct bits
20486         and vr parts of jump functions or set them to NULL.
20487         (write_ipcp_transformation_info): Adjust for bits being pointers.
20488         (read_ipcp_transformation_info): Likewise.
20489         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
20490         space.
20491         Include gt-ipa-prop.h.
20492         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
20493         being pointers.
20494         (ipcp_store_bits_results): Likewise.
20495         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
20496         Do not write to existing jump functions but use a temporary instead.
20497
20498 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
20499
20500         PR c++/79681
20501         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
20502         attempt to use its first operand as BIT_FIELD_REF base.
20503
20504 2017-03-01  Richard Biener  <rguenther@suse.de>
20505
20506         PR middle-end/79721
20507         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
20508         interpolating formula in wrapping arithmetic.
20509         (chrec_apply): Convert chrec_evaluate return value to wanted type.
20510
20511 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
20512
20513         PR tree-optimization/79734
20514         * tree-vect-generic.c (expand_vector_condition): Optimize
20515         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
20516         Handle VEC_COND_EXPR where comparison has different inner width from
20517         type's inner width.
20518
20519 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
20520
20521         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
20522         markup, and similar issues.  Remove @opindex entries for things
20523         that aren't options.  Add missing -mmpy-option entries.
20524
20525 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
20526
20527         PR tree-optimization/79737
20528         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
20529         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
20530         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
20531         instead of byte_size.  Formatting fix.
20532         (shift_bytes_in_array_right): Formatting fix.
20533
20534 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
20535
20536         PR target/79749
20537         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
20538         condition on optimize for the leaf function test.
20539
20540 2017-02-28  Martin Liska  <mliska@suse.cz>
20541
20542         PR lto/79625
20543         * read-rtl-function.c (function_reader::handle_unknown_directive):
20544         Bail out when one uses -flto.
20545
20546 2017-02-28  Martin Liska  <mliska@suse.cz>
20547
20548         * common.opt: Replace space with tabular for options of <number>
20549         type.
20550         * config/i386/i386.opt: Show <number> value for
20551         -mlarge-data-threshold.
20552         * opts.c (print_filtered_help): Do not display number in hexadecimal
20553         format.
20554
20555 2017-02-28  Martin Liska  <mliska@suse.cz>
20556
20557         * common.opt: Fix --help=option -Q for options which are of
20558         an enum type.
20559
20560 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
20561
20562         * config/i386/i386.c (print_reg): Error out for values
20563         of 8-bit size in invalid integer register.
20564
20565 2017-02-28  Martin Sebor  <msebor@redhat.com>
20566
20567         PR tree-optimization/79691
20568         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
20569
20570 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
20571
20572         PR target/79729
20573         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
20574         gcc_unreachable with output_operand_lossage.
20575
20576 2017-02-28  Richard Biener  <rguenther@suse.de>
20577
20578         PR tree-optimization/79740
20579         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
20580         inserts.
20581         (visit_nary_op): Insert the nary into the hashtable if we
20582         pattern-matched sth.
20583         * tree-ssa-pre.c (eliminate_insert): Robustify.
20584
20585 2017-02-28  Richard Biener  <rguenther@suse.de>
20586
20587         PR middle-end/79731
20588         * fold-const.c (decode_field_reference): Reject out-of-bound
20589         accesses.
20590
20591 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
20592
20593         * config/i386/i386.c: Include intl.h.
20594         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
20595         instead of just cond ? "..." : "...".
20596         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
20597         * coverage.c (read_counts_file): Likewise.
20598         * omp-offload.c: Include intl.h.
20599         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
20600         of just cond ? "..." : "...".
20601         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
20602         of just cond ? "..." : "...".
20603
20604 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
20605
20606         PR target/79742
20607         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
20608         entry, if present.
20609         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
20610         'tune for' CPU name.
20611         * config/arm/arm-cpu-data.h: Regenerated.
20612
20613 2017-02-28  Richard Biener  <rguenther@suse.de>
20614
20615         PR tree-optimization/79732
20616         * tree-inline.c (expand_call_inline): Do not shadow var.
20617
20618 2017-02-28  Richard Biener  <rguenther@suse.de>
20619
20620         PR tree-optimization/79723
20621         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
20622         address-space properly.
20623
20624 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
20625
20626         * doc/optinfo.texi (Optimization groups): Fix option used for
20627         OPTGROUP_ALL.
20628         * doc/invoke.texi (-fopt-info): Document "omp".
20629         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
20630         (OPTGROUP_ALL): Add OPTGROUP_OMP.
20631         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
20632         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
20633         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
20634
20635         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
20636         all users.
20637         * dumpfile.c (optgroup_options): Instead of "openmp", associate
20638         OPTGROUP_OMP with "omp".
20639
20640 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
20641
20642         PR target/79544
20643         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
20644         for arithmetic shift of unsigned V2DI.
20645
20646 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
20647
20648         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
20649         arc/linux.h headers.
20650         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
20651         (LINK_SPEC): Likewise.
20652         (ARC_TLS_EXTRA_START_SPEC): Likewise.
20653         (EXTRA_SPECS): Likewise.
20654         (STARTFILE_SPEC): Likewise.
20655         (ENDFILE_SPEC): Likewise.
20656         (LIB_SPEC): Likewise.
20657         (TARGET_SDATA_DEFAULT): Likewise.
20658         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
20659         (MULTILIB_DEFAULTS): Likewise.
20660         (DWARF2_UNWIND_INFO): Likewise.
20661         * config/arc/big.h: New file.
20662         * config/arc/elf.h: Likewise.
20663         * config/arc/linux.h: Likewise.
20664         * config/arc/t-uClibc: Remove.
20665
20666 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
20667
20668         PR tree-optimization/77536
20669         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
20670         (tree_transform_and_unroll_loop): Use above function to compute the
20671         estimated niter of unrolled loop and use it when scaling profile.
20672         Also use count info rather than frequency if it's non-zero.
20673         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
20674         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
20675         (vect_transform_loop): Call above function.
20676
20677 2017-02-27  Richard Biener  <rguenther@suse.de>
20678
20679         PR tree-optimization/45397
20680         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
20681         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
20682         (visit_nary_op): Add pattern matching for CSEing sign-changed
20683         or truncated operations with wider ones.
20684
20685 2017-02-27  Richard Biener  <rguenther@suse.de>
20686
20687         PR tree-optimization/79690
20688         * tree-vect-stmts.c (vectorizable_store): Use vector type
20689         built from the DR with address-space.
20690
20691 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
20692
20693         * doc/invoke.texi (Optimize Options): Refine the description
20694         of asan-use-after-return.
20695
20696 2017-02-25  Alan Modra  <amodra@gmail.com>
20697
20698         PR rtl-optimization/79584
20699         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
20700         base, not ad->base_term, the reg within base.  Remove assertion
20701         that ad->base == ad->base_term.  Replace gen_int_mode using
20702         bogus mode with const0_rtx.
20703
20704 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
20705
20706         PR middle-end/79396
20707         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
20708         FMA_EXPR like tcc_binary or tcc_unary.
20709
20710         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
20711
20712         PR debug/77589
20713         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
20714         bitfield.
20715         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
20716         (output_loc_operands): Handle DW_OP_call_ref and
20717         DW_OP_GNU_variable_value.
20718         (struct variable_value_struct): New type.
20719         (struct variable_value_hasher): Likewise.
20720         (variable_value_hash): New variable.
20721         (string_types): Remove.
20722         (copy_loc_descr): New function.
20723         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
20724         (prepend_loc_descr_to_each): New function.
20725         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
20726         instead of add_loc_descr_to_each if the first argument is single
20727         location list and the second has multiple.
20728         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
20729         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
20730         when looking for variable value which doesn't have other location info.
20731         (loc_list_from_tree): Formatting fix.
20732         (gen_array_type_die): Simplify DW_AT_string_length handling.
20733         (adjust_string_types): Remove.
20734         (gen_subprogram_die): Don't call adjust_string_types nor test/set
20735         string_types.  Call resolve_variable_values.
20736         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
20737         (resolve_addr_in_expr): Likewise.  Add A argument.
20738         (copy_deref_exprloc): Remove deref argument.  Adjust for the
20739         original expression being DW_OP_GNU_variable_value with optionally
20740         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
20741         optionally after it.
20742         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
20743         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
20744         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
20745         (variable_value_hasher::hash, variable_value_hasher::equal): New
20746         methods.
20747         (resolve_variable_value_in_expr, resolve_variable_value,
20748         resolve_variable_values, note_variable_value_in_expr,
20749         note_variable_value): New functions.
20750         (dwarf2out_early_finish): Call note_variable_value on all toplevel
20751         DIEs.
20752
20753 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
20754
20755         PR c/79677
20756         * opts.h (handle_generated_option): Add GENERATED_P argument.
20757         * opts-common.c (handle_option): Adjust function comment.
20758         (handle_generated_option): Add GENERATED_P argument, pass it to
20759         handle_option.
20760         (control_warning_option): Pass false to handle_generated_option
20761         GENERATED_P.
20762         * opts.c (maybe_default_option): Pass true to handle_generated_option
20763         GENERATED_P.
20764         * optc-gen.awk: Likewise.
20765
20766 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20767
20768         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
20769         a REG, look at the REG it is a SUBREG of.
20770         (splitter for cmpeqsi_t): Ditto.
20771
20772 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20773
20774         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
20775         the special USEs with the pattern of the insn, not the insn itself.
20776
20777 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
20778
20779         PR target/79473
20780         * doc/invoke.texi: Document -mload-store-pairs.
20781
20782 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20783             Sandra Loosemore  <sandra@codesourcery.com>
20784
20785         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
20786         argument isn't a CONST_INT.
20787         (nios2_alternate_compare_const): Assert op is a CONST_INT.
20788         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
20789         (nios2_validate_compare): Bypass alternate compare logic if *op2
20790         is not a CONST_INT.
20791         (ldstwm_operation_p): Return false if first_base is not a REG or
20792         if first_offset is not a CONST_INT.
20793
20794 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20795
20796         * config/cris/cris.md: Use correct operand in a define_peephole2.
20797
20798 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20799
20800         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
20801
20802 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
20803
20804         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
20805         this_insn if it is an INSN or JUMP_INSN.
20806         (force_offsettable): Look at base, not at addr.
20807         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
20808         on things that aren't necessarily CONST_INTs.
20809
20810 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
20811
20812         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
20813         -mfpmath=sse is the default also for x86-32 targets with SSE2
20814         instruction set when @option{-ffast-math} is enabled
20815
20816 2017-02-24  Jeff Law  <law@redhat.com>
20817
20818         PR rtl-optimizatoin/79286
20819         * ira.c (update_equiv_regs): Drop may_trap_p exception to
20820         dominance test.
20821
20822 2017-02-24  Richard Biener  <rguenther@suse.de>
20823
20824         PR tree-optimization/79389
20825         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
20826         debug insns.
20827
20828 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
20829
20830         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
20831         function comment to reflect reality.
20832         (loop_exits_before_overflow): Fix typo in function description.
20833
20834 2017-02-24  Richard Biener  <rguenther@suse.de>
20835
20836         PR tree-optimization/79389
20837         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
20838         properly that a threading opportunity exists.  Detect conditional
20839         copy/constant propagation opportunities.
20840
20841 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
20842
20843         * config/visium/visium.md (type): Add trap.
20844         (b): New mode attribute.
20845         (*btst): Rename into...
20846         (*btst<mode>): ...this and adjust.
20847         (*cbranchsi4_btst_insn): Rename into...
20848         (*cbranch<mode>4_btst_insn): ...this and adjust.
20849         (trap): New define_insn.
20850
20851 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
20852
20853         PR tree-optimization/79389
20854         * ifcvt.c (struct noce_if_info): Add rev_cond field.
20855         (noce_reversed_cond_code): New function.
20856         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
20857         reversed_comparison_code.  Formatting fix.
20858         (noce_try_store_flag): Test rev_cond != NULL in addition to
20859         reversed_comparison_code.
20860         (noce_try_store_flag_constants): Likewise.
20861         (noce_try_store_flag_mask): Likewise.
20862         (noce_try_addcc): Use rev_cond if non-NULL instead of
20863         reversed_comparison_code.
20864         (noce_try_cmove_arith): Likewise.  Formatting fixes.
20865         (noce_try_minmax, noce_try_abs): Clear rev_cond.
20866         (noce_find_if_block): Initialize rev_cond.
20867         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
20868         instead of false as last argument never attempt to reverse it
20869         afterwards.
20870
20871 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
20872
20873         PR tree-optimization/79663
20874         * tree-predcom.c (combine_chains): Process refs in reverse order
20875         only for ZERO length chains, and add explaining comment.
20876
20877 2017-02-23  Jeff Law  <law@redhat.com>
20878
20879         PR tree-optimization/79578
20880         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
20881         in call to operand_equal_p.
20882
20883 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
20884
20885         PR target/71017
20886         * config/i386/cpuid.h: Fix another undefined behavior.
20887
20888 2017-02-23  Richard Biener  <rguenther@suse.de>
20889
20890         PR tree-optimization/79683
20891         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
20892         vector types for data-refs.
20893
20894 2017-02-23  Martin Liska  <mliska@suse.cz>
20895
20896         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
20897
20898 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
20899
20900         PR middle-end/79665
20901         * internal-fn.c (get_range_pos_neg): Moved to ...
20902         * tree.c (get_range_pos_neg): ... here.  No longer static.
20903         * tree.h (get_range_pos_neg): New prototype.
20904         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
20905         are known to be in between 0 and signed maximum inclusive, try to
20906         expand both unsigned and signed divmod and use the cheaper one from
20907         those.
20908
20909 2017-02-22  Jeff Law  <law@redhat.com>
20910
20911         PR tree-optimization/79578
20912         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
20913         to compare base operands.
20914
20915 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
20916
20917         PR target/79211
20918         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
20919         gpc_reg_operand instead of fpr_reg_operand.
20920
20921 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
20922
20923         * config/mips/mips.c (mips_return_in_memory): Force FP
20924         vector types to be returned in memory for o32 ABI.
20925
20926 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
20927
20928         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
20929         instead of DW_TAG_member for static data member declarations and don't
20930         set no_linkage_name for static inline data members.
20931         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
20932         to DW_TAG_member.
20933
20934 2017-02-22  Martin Liska  <mliska@suse.cz>
20935
20936         * doc/invoke.texi: Replace inequality signs with square brackets
20937         for -Wnormalized.
20938
20939 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20940
20941         PR tree-optimization/68644
20942         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
20943
20944 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
20945
20946         PR target/78660
20947         * lra-constraints.c (simplify_operand_subreg): Handle
20948         WORD_REGISTER_OPERATIONS targets.
20949
20950 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
20951
20952         PR target/70465
20953         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
20954         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
20955         elimination by swapping fld*.
20956
20957 2017-02-22  Richard Biener  <rguenther@suse.de>
20958
20959         PR tree-optimization/79673
20960         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
20961         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
20962         irrelevant address-space qualifiers and avoiding a
20963         ADDR_SPACE_CONVERT_EXPR from fold_convert.
20964
20965 2017-02-22  Richard Biener  <rguenther@suse.de>
20966
20967         PR tree-optimization/79666
20968         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
20969         to not symbolically negate if that may introduce undefined
20970         overflow.
20971
20972 2017-02-22  Martin Liska  <mliska@suse.cz>
20973
20974         PR lto/79587
20975         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
20976         * data-streamer-out.c (streamer_write_gcov_count_stream):
20977         Likewise.
20978         * value-prof.c (stream_out_histogram_value): Make assert more
20979         precise based on type of counter.
20980
20981 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
20982
20983         PR target/79593
20984         * config/i386/i386.md (standard_x87sse_constant_load splitter):
20985         Use nonimmediate_operand instead of memory_operand for operand 1.
20986         (float-extend standard_x87sse_constant_load splitter): Ditto.
20987
20988 2017-02-21  Jeff Law  <law@redhat.com>
20989
20990         PR tree-optimization/79621
20991         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
20992         blocks with edges to themselves.
20993
20994 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
20995
20996         PR target/79633
20997         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
20998         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
20999         Use gimple_call_builtin_p.
21000
21001         PR target/79570
21002         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
21003         on temporarily removed DEBUG_INSNs.
21004
21005         PR tree-optimization/79649
21006         * tree-loop-distribution.c (classify_partition): Give up on
21007         non-generic address space loads/stores.
21008
21009 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
21010
21011         * doc/loop.texi (Loop manipulation): Remove nonexistent
21012         tree_ssa_loop_version from the documentation.
21013         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
21014
21015 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21016
21017         PR target/79494
21018         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
21019         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
21020         * config/rs6000/rs6000.c: Include except.h.
21021         (rs6000_expand_split_stack_prologue): Call
21022         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
21023
21024 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21025
21026         PR lto/79579
21027         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
21028         have been analyzed.
21029
21030 2017-02-21  Martin Jambor  <mjambor@suse.cz>
21031
21032         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
21033         for backward compatibility only.
21034         * doc/invoke.texi (Option Summary): Remove all references to
21035         -fipa-cp-alignment.
21036
21037 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
21038
21039         PR target/78660
21040         Revert:
21041         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21042
21043         * lra-constraints.c (curr_insn_transform): Handle
21044         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21045
21046 2017-02-21  Martin Liska  <mliska@suse.cz>
21047
21048         * config/i386/i386.opt: Replace -masm-dialect with -masm.
21049
21050 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
21051
21052         PR translation/79638
21053         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
21054
21055 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
21056
21057         PR ada/67205
21058         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
21059         (arm_function_ok_for_sibcall): Return false for an indirect call by
21060         descriptor if all the argument registers are used.
21061         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
21062         alignment of the function.
21063
21064 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
21065
21066         PR tree-optimization/61441
21067         * simplify-rtx.c (simplify_const_unary_operation): For
21068         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
21069         the sNaN unmodified.
21070
21071 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
21072
21073         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
21074         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
21075         instead of SYSTEM_HEADER_DIR.
21076
21077 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
21078             Martin Liška  <mliska@suse.cz>
21079
21080         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
21081         Fix typos and grammar, use active voice, and clarify.
21082
21083 2017-02-20  Marek Polacek  <polacek@redhat.com>
21084
21085         PR middle-end/79537
21086         * gimplify.c (gimplify_expr): Handle unused *&&L;.
21087
21088         PR sanitizer/79558
21089         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
21090
21091 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
21092
21093         PR target/79568
21094         * config/i386/i386.c (ix86_expand_builtin): Handle
21095         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
21096         ix86_builtins_isa[fcode].isa as a requirement of those
21097         flags and any other flag in the bitmask.
21098         (ix86_init_mmx_sse_builtins): Use 0 instead of
21099         ~OPTION_MASK_ISA_64BIT as mask.
21100         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
21101         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
21102         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
21103         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
21104
21105 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21106
21107         PR target/78012
21108         * lra-constraints.c (split_reg): Check requested split mode
21109         is supported by the register.
21110
21111 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21112
21113         * lra-constraints.c (simplify_operand_subreg): Remove early
21114         return false.
21115
21116 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21117
21118         PR target/78660
21119         * lra-constraints.c (curr_insn_transform): Tighten condition
21120         for converting SUBREG reloads from OP_OUT to OP_INOUT.
21121
21122 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
21123
21124         PR target/78660
21125         * lra-constraints.c (curr_insn_transform): Handle
21126         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
21127
21128 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
21129
21130         Revert:
21131         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
21132
21133         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
21134
21135 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
21136
21137         PR c++/69523
21138         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
21139         description.
21140
21141 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
21142
21143         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
21144         for FMA_EXPR.
21145
21146 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
21147
21148         * final.c (last_columnnum, override_columnnum): New variables.
21149         (final_start_function): Set last_columnnum, pass it to begin_prologue
21150         hook and pass 0 to dwarf2out_begin_prologue.
21151         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
21152         to source_line debug hook.
21153         (notice_source_line): Compute last_columnnum and for debug_column_info
21154         return true on column changes.
21155         * debug.h (struct gcc_debug_hooks): Add column argument to
21156         source_line and begin_prologue hooks.
21157         (debug_nothing_int_charstar_int_bool): Remove prototype.
21158         (debug_nothing_int_int_charstar,
21159         debug_nothing_int_int_charstar_int_bool): New prototypes.
21160         (dwarf2out_begin_prologue): Add column argument.
21161         * debug.c (do_nothing_debug_hooks): Adjust source_line and
21162         begin_prologue hooks.
21163         (debug_nothing_int_charstar_int_bool): Remove.
21164         (debug_nothing_int_int_charstar,
21165         debug_nothing_int_int_charstar_int_bool): New functions.
21166         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
21167         through to dwarf2out_source_line.
21168         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
21169         (dwarf2out_source_line): Add column argument, emit it if requested.
21170         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
21171         arguments.
21172         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
21173         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
21174         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
21175         through to dwarf2out_begin_prologue.
21176         (vmsdbgout_source_line): Add column argument, pass it through to
21177         dwarf2out_source_line.
21178         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
21179         dbxout_source_line caller.
21180         (dbxout_source_line): Add column argument.
21181
21182         * common.opt (gno-column-info, gcolumn-info): New options.
21183         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
21184         (check_die): Also test for multiple DW_AT_decl_column attributes.
21185         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
21186         DW_AT_decl_column if requested.
21187         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
21188         if requested.
21189         (gen_variable_die): Likewise.
21190         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
21191         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
21192
21193         PR target/79569
21194         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
21195         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
21196         (ix86_handle_option): Handle OPT_m3dnowa.
21197         * doc/invoke.texi (-m3dnowa): Document.
21198         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
21199         -m3dnowa instead of -m3dnow -march=athlon.
21200
21201         PR target/79559
21202         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
21203         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
21204
21205 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21206
21207         PR target/79261
21208         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
21209         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
21210         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
21211         generator for vsx_xxpermdi_<mode>_be.
21212         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
21213         force big-endian semantics.
21214         (vsx_xxpermdi_<mode>_be): New define_expand with same
21215         implementation as previous version of vsx_xxpermdi_<mode>.
21216
21217 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
21218
21219         PR tree-optimization/79327
21220         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
21221         variable, its initialization and use.
21222
21223 2017-02-17  Julia Koval  <julia.koval@intel.com>
21224
21225         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
21226         (OPTION_MASK_ISA_PKU_UNSET): New.
21227         (ix86_handle_option): Handle -mrdpid.
21228         * config/i386/cpuid.h (bit_RDPID): New.
21229         * config/i386/driver-i386.c (host_detect_local_cpu):
21230         Detect RDPID feature.
21231         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
21232         * config/i386/i386-c.c (ix86_target_macros_internal):
21233         Handle RDPID flag.
21234         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
21235         (ix86_valid_target_attribute_inner_p): Add "rdpid".
21236         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
21237         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
21238         * config/i386/i386.md (define_insn "rdpid"): New.
21239         * config/i386/i386.opt Add -mrdpid.
21240         * config/i386/immintrin.h (_rdpid_u32): New.
21241
21242 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
21243
21244         PR rtl-optimization/79541
21245         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
21246         instead of transforming it into USE.
21247
21248 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
21249
21250         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
21251         If HONOR_SNANS (SFmode) force the input to a register.
21252         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
21253         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
21254         an frsp or similar insn.
21255
21256 2017-02-17  Martin Liska  <mliska@suse.cz>
21257
21258         PR rtl-optimization/79577
21259         * params.def (selsched-max-sched-times): Increase minimum to 1.
21260
21261 2017-02-17  Martin Liska  <mliska@suse.cz>
21262
21263         PR rtl-optimization/79574
21264         * gcse.c (want_to_gcse_p): Prevent integer overflow.
21265
21266 2017-02-17  Martin Liska  <mliska@suse.cz>
21267
21268         PR tree-optimization/79529
21269         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
21270         ssa_defined_default_def_p to handle cases which are implicitly
21271         defined.
21272         * tree-ssa.c (ssa_defined_default_def_p): New function.
21273         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
21274         which are implicitly defined.
21275         * tree-ssa.h (ssa_defined_default_def_p): Declare.
21276
21277 2017-02-17  Richard Biener  <rguenther@suse.de>
21278
21279         PR middle-end/79576
21280         * params.def (max-ssa-name-query-depth): Limit to 10.
21281
21282 2017-02-17  Richard Biener  <rguenther@suse.de>
21283
21284         PR tree-optimization/79552
21285         * tree-ssa-structalias.c (visit_loadstore): Properly verify
21286         default defs.
21287
21288 2017-02-17  Richard Biener  <rguenther@suse.de>
21289
21290         PR bootstrap/79567
21291         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
21292
21293 2017-02-17  Marek Polacek  <polacek@redhat.com>
21294
21295         PR middle-end/79536
21296         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
21297         (fold_negate_expr): New wrapper.
21298
21299 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
21300
21301         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
21302         Correct terminology and de-emphasize pre-standard behavior.
21303
21304 2017-02-16  Alan Modra  <amodra@gmail.com>
21305
21306         PR rtl-optimization/79286
21307         * ira.c (def_dominates_uses): New function.
21308         (update_equiv_regs): Don't create an equivalence for insns that
21309         may trap where the register def does not dominate the use.
21310
21311 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
21312
21313         PR rtl-optimization/78127
21314         * lra.c (lra): Call lra_eliminate before finish the loop after
21315         lra_constraint.
21316
21317 2017-02-16  Richard Biener  <rguenther@suse.de>
21318
21319         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
21320         isl/isl_val.h.
21321         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
21322         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
21323         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
21324         (isl_val_int_from_wi): New function.
21325         (extract_affine_gmp): Rename to ...
21326         (extract_affine_wi): ... this, take a widest_int.
21327         (extract_affine_int): Just wrap extract_affine_wi.
21328         (add_param_constraints): Use isl_val_int_from_wi.
21329         (add_loop_constraints): Likewise, and extract_affine_wi.
21330
21331 2017-02-15  Jeff Law  <law@redhat.com>
21332
21333         PR middle-end/79521
21334         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
21335         ira_init_register_move_cost_if_necessary.
21336
21337 2017-02-15  Martin Sebor  <msebor@redhat.com>
21338
21339         PR middle-end/32003
21340         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
21341         removed in a prior commit.
21342
21343 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
21344
21345         PR tree-optimization/79347
21346         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
21347         counters during peeling.
21348
21349 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
21350
21351         * Makefile.in (site.exp): Remove "set ISLVER".
21352
21353 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
21354
21355         PR target/79487
21356         * real.c (real_from_integer): Call real_convert even for decimal.
21357
21358 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
21359
21360         PR target/79421
21361         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
21362
21363 2017-02-14  Andrew Pinski  <apinski@cavium.com>
21364
21365         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
21366         cores and change the partno/implementer to be correct.
21367         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
21368         the 'B" as the implementer.
21369         * config/aarch64/aarch64-tune.md: Regenerate.
21370
21371 2017-02-14  Carl Love  <cel@us.ibm.com>
21372
21373         * config/rs6000/rs6000.c: Add case statement entry to make the
21374         xvcvuxdsp built-in argument unsigned.
21375         * config/rs6000/vsx.md: Fix the source and return operand types so they
21376         match the instruction definitions from the ISA document.  Fix typo
21377         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
21378         statement.
21379
21380 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
21381
21382         PR target/79282
21383         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
21384         member early_clobber_alts.
21385         * lra-lives.c (reg_early_clobber_p): New.
21386         (process_bb_lives): Use it.
21387         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
21388         (debug_operand_data): Initialize early_clobber_alts.
21389         (setup_operand_alternative): Set up early_clobber_alts.
21390         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
21391         alternatives to new_insn_reg.
21392         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
21393         it.
21394         (lra_update_insn_regno_info): Pass the new arg.
21395
21396 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
21397
21398         PR middle-end/79505
21399         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
21400         (new_oacc_loop_raw): Don't clear already cleared fields.
21401
21402         PR target/79481
21403         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
21404         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
21405         _mm512_prefetch_i64gather_ps): New inline functions and macros.
21406
21407 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
21408
21409         PR target/79495
21410         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
21411
21412 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
21413
21414         PR target/79498
21415         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
21416         the extra instruction to the right place to store 128-bit constant
21417         when needed.
21418
21419 2017-02-14  Martin Sebor  <msebor@redhat.com>
21420
21421         PR middle-end/79448
21422         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
21423           warning for strings of unknown length.
21424
21425 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
21426
21427         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
21428
21429 2017-02-14  Jeff Law  <law@redhat.com>
21430
21431         PR target/79404
21432         * ira-costs.c (scan_one_insn): Initialize register move costs
21433         for pseudos seen in USE/CLOBBER insns.
21434
21435         PR tree-optimization/79095
21436         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
21437         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
21438         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
21439         if the operands are known to be not equal, then the resulting range
21440         is ~[0,0].
21441         (intersect_ranges): If the new range is ~[0,0] and the old range is
21442         wide, then prefer ~[0,0].
21443         * tree-vrp.c (overflow_comparison_p_1): New function.
21444         (overflow_comparison_p): New function.
21445         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
21446         if NAME is used in an overflow test.
21447         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
21448         overflow check that can be expressed as an equality test, then adjust
21449         ops to be that equality test.
21450
21451 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21452
21453         * config/s390/s390-builtin-types.def: Remove flags argument.
21454         * config/s390/s390.c (s390_init_builtins): Likewise.
21455
21456 2017-02-14  Martin Liska  <mliska@suse.cz>
21457
21458         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
21459         vector.  Fix trailing white spaces.
21460
21461 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
21462
21463         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
21464         HFmode.
21465
21466 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21467
21468         PR rtl-optimization/68664
21469         * config/arm/arm.c (arm_sched_can_speculate_insn):
21470         New function.  Declare prototype.
21471         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
21472
21473 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21474
21475         PR rtl-optimization/68664
21476         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
21477         New function.
21478         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
21479
21480 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
21481
21482         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
21483         max skip bytes for function, loop and jump.
21484
21485 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
21486
21487         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
21488         ABS_EXPR for gimple dump.
21489
21490 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
21491
21492         PR target/79462
21493         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
21494
21495         PR tree-optimization/79408
21496         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
21497         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
21498         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
21499         also if rhs1 is INTEGER_CST.
21500
21501 2017-02-14  Richard Biener  <rguenther@suse.de>
21502
21503         PR middle-end/79432
21504         * tree-into-ssa.c (insert_phi_nodes): When the function can
21505         have abnormal edges rewrite SSA names with broken use-def
21506         dominance out of SSA and register them for PHI insertion.
21507
21508 2017-02-13  Martin Sebor  <msebor@redhat.com>
21509
21510         PR middle-end/79496
21511         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
21512         clearing info.nowrite flag when snprintf size argument is a range.
21513
21514 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
21515
21516         * cprop.c (cprop_jump): Add missing space in string literal.
21517         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
21518         (get_constraint_for_component_ref): Likewise.
21519         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
21520         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
21521         * lra-constraints.c (process_alt_operands): Likewise.
21522         * ipa-inline.c (inline_small_functions): Likewise.
21523         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
21524         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
21525         * trans-mem.c (diagnose_tm_1_op): Likewise.
21526         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
21527         (grid_parallel_clauses_gridifiable): Likewise.
21528
21529         * config/nvptx/mkoffload.c (process): Add space in between
21530         , and %d.
21531
21532         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
21533         "MOD4_SSE_REGS" and "ALL_REGS".
21534
21535         * spellcheck.c (test_data): Add , in between "foo" and "food".
21536
21537 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21538
21539         PR target/79449
21540         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
21541         boundary crossing check and subsequent code generation agree.
21542
21543 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21544
21545         * config/aarch64/aarch64.c (has_memory_op): Delete.
21546         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
21547         has_memory_op.
21548
21549 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
21550
21551         PR rtl-optimization/79388
21552         PR rtl-optimization/79450
21553         * combine.c (distribute_notes): When removing TEM_INSN for which
21554         corresponding dest has last value recorded, invalidate that last
21555         value.
21556
21557 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21558
21559         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
21560         of explicit '@'.  Add missing assembly comment marker on branch costs
21561         printout.
21562
21563 2017-02-13  Nathan Sidwell  <nathan@acm.org>
21564
21565         * gengtype-lex.l (<in_struct>): Add '/'.
21566
21567 2017-02-13  Martin Liska  <mliska@suse.cz>
21568
21569         PR c/79471
21570         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
21571
21572 2017-02-13  Richard Biener  <rguenther@suse.de>
21573
21574         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
21575         Remove.
21576         * configure: Re-generate.
21577         * config.in: Likewise.
21578         * graphite-dependences.c: Simplify as if
21579         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
21580         * graphite-isl-ast-to-gimple.c: Likewise.
21581         * graphite-optimize-isl.c: Likewise.
21582         * graphite-poly.c: Likewise.
21583         * graphite-sese-to-poly.c: Likewise.
21584         * graphite.h: Likewise.
21585         * toplev.c: Include isl/version.h and use isl_version () for
21586         printing the ISL version.
21587         * doc/install.texi: Update ISL requirement.
21588
21589 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
21590
21591         * doc/standards.texi (Standards): Update reference to
21592         Objective-C 2.0.
21593
21594 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
21595
21596         * doc/extend.texi (Named Address Spaces): sourceware.org now
21597         defaults to https.
21598         * doc/install.texi (Binaries): Ditto.
21599         (Specific): Ditto.
21600
21601 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
21602
21603         * doc/cpp.texi: Replace "stringify"/"stringification" with C
21604         standard terminology "stringize"/"stringizing" throughout.
21605         * doc/cppinternals.texi: Likewise.
21606
21607 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
21608
21609         * doc/extend.texi: Fix some spelling mistakes and typos.
21610         * doc/invoke.texi: Likewise.
21611
21612 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
21613
21614         PR ipa/79224
21615         * params.def (inline-min-speedup) Change from 10 to 8.
21616
21617 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
21618
21619         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
21620         4.5.
21621
21622 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
21623
21624         PR ipa/79224
21625         * ipa-inline-analysis.c (get_minimal_bb): New function.
21626         (record_modified): Use it.
21627         (remap_edge_change_prob): Handle also ancestor functions.
21628
21629 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
21630
21631         * doc/contrib.texi (Contributors): Remove broken link into
21632         the Mauve CVS repository.
21633
21634 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
21635
21636         PR middle-end/79454
21637         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
21638         result computation whenever lhs doesn't have vector mode, not
21639         just when it has BLKmode.
21640
21641 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
21642
21643         * doc/makefile.texi (profiledbootstrap): Refer to the
21644         installation instructions only in textual form.
21645
21646 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21647
21648         PR target/79295
21649         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
21650
21651 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
21652
21653         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
21654         (Specific): Update mingw-w64 reference.
21655         (Binaries): Ditto.
21656         (Specific): Remove broken link to Renesas RX processor.
21657
21658 2017-02-10  Richard Biener  <rguenther@suse.de>
21659
21660         * toplev.c (process_options): Do not mention obsolete graphite
21661         options when printing sorry message about missing graphite support.
21662         Mention -floop-nest-optimize.
21663
21664 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
21665
21666         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
21667         (vtst_p16): Likewise.
21668         (vtstq_p8): Likewise.
21669         (vtstq_p16): Likewise.
21670         (vtst_p64): New.
21671         (vtstq_p64): Likewise.
21672         * config/arm/arm_neon.h (vgetq_lane_p64): New.
21673         (vset_lane_p64): New.
21674         (vsetq_lane_p64): New.
21675
21676 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
21677
21678         PR tree-optimization/79411
21679         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
21680         stmt operands are SSA_NAMEs used in abnormal phis.
21681         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
21682         phis.
21683
21684 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
21685
21686         PR ipa/70795
21687         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
21688         flag if needed.
21689
21690 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
21691
21692         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
21693
21694 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
21695
21696         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
21697         to avoid warning.
21698
21699         PR c/79413
21700         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
21701         not arbitrary TREE_CONSTANT.
21702
21703         PR c/79431
21704         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
21705         "omp declare target link" attribute unless is_global_var.
21706         * omp-offload.c (find_link_var_op): Likewise.
21707
21708 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
21709             Chung-Lin Tang  <cltang@codesourcery.com>
21710
21711         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
21712         OMP_CLAUSE_TILE.
21713         (gimplify_adjust_omp_clauses): Don't delete TILE.
21714         (gimplify_omp_for): Deal with TILE.
21715         * internal-fn.c (expand_GOACC_TILE): New function.
21716         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
21717         (GOACC_TILE): New.
21718         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
21719         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
21720         element fields.
21721         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
21722         avoid DIV for outermost collapse var.
21723         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
21724         Remove out of date comments, fix whitespace.
21725         * omp-general.c (omp_extract_for_data): Deal with tiling.
21726         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
21727         adjust OLF_DIM_BASE value.
21728         (struct omp_for_data): Add tiling field.
21729         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
21730         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
21731         for auto loops.  Remove default auto determining, moved to
21732         oacc_loop_fixed_partitions.
21733         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
21734         stmts, add e_mask field.
21735         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
21736         (oacc_thread_numbers): Use oacc_dim_call.
21737         (oacc_xform_tile): New.
21738         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
21739         (finish_oacc_loop): Adjust for ifns vector.
21740         (oacc_loop_discover_walk): Append loop abstraction sites to list,
21741         add case for GOACC_TILE fns.
21742         (oacc_loop_xform_loop): Delete.
21743         (oacc_loop_process): Iterate over call list directly, and add
21744         handling for GOACC_TILE fns.
21745         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
21746         dump partitioning.
21747         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
21748         vector partitioning to outer loops.  Assign 2 partitions to loops
21749         when available. Add TILE handling.
21750         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
21751         (execite_oacc_device_lower): Process GOACC_TILE fns,
21752         ignore unknown specs.
21753         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
21754         * tree.c (omp_clause_num_ops): Adjust TILE ops.
21755         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
21756
21757 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
21758
21759         * configure.ac (ACX_BUGURL): Update.
21760         * configure: Regenerate.
21761
21762 2017-02-09  Richard Biener  <rguenther@suse.de>
21763
21764         PR tree-optimization/69823
21765         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
21766         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
21767
21768 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
21769
21770         * config/arc/arc-c.def: Add __NPS400__ definition.
21771         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
21772         (TARGET_NPS400): Define.
21773
21774 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
21775
21776         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
21777         file.
21778         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
21779         pointer, arch_info.
21780         (arc_cpu_types): Fill the arch_info field with a pointer into the
21781         arc_arch_types table.
21782         (arc_selected_cpu): Declare.
21783         * config/arc/arc.c (arc_selected_cpu): Make global.
21784         (arc_selected_arch): Delete.
21785         (arc_base_cpu): Delete.
21786         (arc_override_options): Remove references to deleted variables,
21787         update access to arch information.
21788         (ARC_OPT): Update access to arch information.
21789         (ARC_OPTX): Likewise.
21790         * config/arc/arc.h (arc_base_cpu): Remove declaration.
21791         (TARGET_ARC600): Update access to arch information.
21792         (TARGET_ARC601): Likewise.
21793         (TARGET_ARC700): Likewise.
21794         (TARGET_EM): Likewise.
21795         (TARGET_HS): Likewise.
21796         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
21797         information.
21798
21799 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
21800
21801         PR target/78604
21802         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
21803         condition/operands for integer GE/LE/GEU/LEU operations.
21804
21805 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
21806
21807         PR translation/79397
21808         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
21809         of AltiVec.
21810
21811 2017-02-08  Martin Jambor  <mjambor@suse.cz>
21812
21813         PR ipa/79375
21814         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
21815         whether allocation happened.
21816         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
21817         nothing was allocated.
21818
21819 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
21820
21821         PR tree-optimization/79408
21822         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
21823         constant, but SSA_NAME with a known integer range, use the minimum
21824         of that range instead of op1 to determine if modulo can be replaced
21825         with its first operand.
21826
21827 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21828
21829         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
21830
21831 2017-02-08  Richard Biener  <rguenther@suse.de>
21832
21833         PR tree-optimization/71824
21834         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
21835         Check all loops contained in the merged region.
21836
21837 2017-02-07  Andrew Pinski  <apinski@cavium.com>
21838
21839         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
21840
21841 2017-02-07  Andrew Pinski  <apinski@cavium.com>
21842
21843         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
21844         (thunderxt88): Likewise.
21845         (thunderxt81): Disable LSE and change v8.1 to v8.
21846         (thunderxt83): Likewise.
21847
21848 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
21849             Richard Biener  <rguenther@suse.de>
21850
21851         PR middle-end/79399
21852         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
21853         type from int to size_t.
21854         * ira-costs.c (struct_costs_size): Change type from int to size_t.
21855
21856 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
21857
21858         PR rtl-optimization/79386
21859         * cprop.c (bypass_conditional_jumps): Initialize
21860         bypass_last_basic_block already before splitting bbs after
21861         unconditional traps...
21862         (bypass_conditional_jumps): ... rather than here.
21863
21864         PR target/79299
21865         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
21866         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
21867         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
21868         fix -masm=intel patterns.
21869
21870 2017-02-07  Richard Biener  <rguenther@suse.de>
21871
21872         PR tree-optimization/79256
21873         PR middle-end/79278
21874         * builtins.c (get_object_alignment_2): Use min_align_of_type
21875         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
21876         and ADJUST_FIELD_ALIGN.
21877
21878         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
21879         type parameter.
21880         * doc/tm.texi: Regenerate.
21881         * stor-layout.c (layout_decl): Adjust.
21882         (update_alignment_for_field): Likewise.
21883         (place_field): Likewise.
21884         (min_align_of_type): Likewise.
21885         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
21886         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
21887         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
21888         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
21889         * config/frv/frv.c (frv_adjust_field_align): Likewise.
21890         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
21891         * config/i386/i386.c (x86_field_alignment): Likewise.
21892         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
21893         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
21894         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
21895         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
21896         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
21897         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
21898          Likewise.
21899
21900         Revert
21901         2017-01-30  Richard Biener  <rguenther@suse.de>
21902
21903         PR tree-optimization/79256
21904         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
21905         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
21906         alignment on TYPE.
21907
21908 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
21909
21910         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
21911         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
21912         builtins to SImode and emit a zero-extend, if necessary.
21913
21914 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
21915
21916         * docs/invoke.texi (RISC-V Options): Alphabetize.
21917
21918 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
21919
21920         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
21921         options.
21922
21923 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
21924
21925         * config/riscv/riscv.c: New file.
21926         * common/config/riscv/riscv-common.c: Likewise.
21927         * config.gcc: Likewise.
21928         * config/riscv/constraints.md: Likewise.
21929         * config/riscv/elf.h: Likewise.
21930         * config/riscv/generic.md: Likewise.
21931         * config/riscv/linux.h: Likewise.
21932         * config/riscv/multilib-generator: Likewise.
21933         * config/riscv/peephole.md: Likewise.
21934         * config/riscv/pic.md: Likewise.
21935         * config/riscv/predicates.md: Likewise.
21936         * config/riscv/riscv-builtins.c: Likewise.
21937         * config/riscv/riscv-c.c: Likewise.
21938         * config/riscv/riscv-ftypes.def: Likewise.
21939         * config/riscv/riscv-modes.def: Likewise.
21940         * config/riscv/riscv-opts.h: Likewise.
21941         * config/riscv/riscv-protos.h: Likewise.
21942         * config/riscv/riscv.h: Likewise.
21943         * config/riscv/riscv.md: Likewise.
21944         * config/riscv/riscv.opt: Likewise.
21945         * config/riscv/sync.md: Likewise.
21946         * config/riscv/t-elf-multilib: Likewise.
21947         * config/riscv/t-linux: Likewise.
21948         * config/riscv/t-linux-multilib: Likewise.
21949         * config/riscv/t-riscv: Likewise.
21950         * configure.ac: Likewise.
21951         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
21952         Waterman as RISC-V maintainers.
21953         * doc/install.texi: Add RISC-V entries.
21954         * doc/invoke.texi: Add RISC-V options section.
21955         * doc/md.texi: Add RISC-V constraints section.
21956         * configure: Regenerated.
21957
21958 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
21959
21960         PR target/66144
21961         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
21962         false values to be constant vectors with all 0 or all 1 bits set.
21963         (vcondu<mode><mode>): Likewise.
21964         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
21965         predicate.
21966         (fpmask_comparison_operator): Update comment.
21967         (vecint_comparison_operator): New predicate.
21968         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
21969         vector conditionals when the true and false values are constant
21970         vectors with all 0 bits or all 1 bits set.
21971
21972 2017-02-06  Martin Sebor  <msebor@redhat.com>
21973
21974         PR  tree-optimization/79376
21975         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
21976
21977 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
21978
21979         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
21980         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
21981         to simplify split condition.
21982
21983 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
21984
21985         * omp-expand.c (oxpand_omp_atomic_fetch_op,
21986         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
21987         false.
21988
21989 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
21990
21991         PR rtl-optimization/68664
21992         * target.def (can_speculate_insn): New hook.
21993         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
21994         * doc/tm.texi: Regenerate.
21995         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
21996         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
21997         (rs6000_sched_can_speculate_insn): New function.
21998
21999 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
22000
22001         PR tree-optimization/79284
22002         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
22003         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
22004         vectorizable_mask_load_store, vectorizable_operation,
22005         vect_is_simple_cond, get_same_sized_vectype): Use it instead
22006         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
22007         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
22008         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
22009         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
22010         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
22011         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
22012         is_gimple_assign (stmt).  Replace another such test with
22013         is_gimple_assign (stmt).
22014
22015 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22016
22017         PR target/78883
22018         * config/avr/avr.c (rtl-iter.h): Include it.
22019         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
22020         (avr_legitimate_combined_insn): ...and implementation.
22021
22022 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22023
22024         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
22025         * config/s390/s390.c (s390_const_operand_ok)
22026         (s390_canonicalize_comparison, s390_extract_part)
22027         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
22028         (s390_contiguous_bitmask_p, s390_rtx_costs)
22029         (legitimize_pic_address): Likewise.
22030         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
22031         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
22032         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
22033         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
22034         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
22035
22036 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
22037
22038         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
22039         REGNO($0) == REGNO($1).
22040
22041 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22042
22043         * config/s390/linux.h(SIZE_TYPE): Add comment.
22044
22045 2017-02-06  Julian Brown  <julian@codesourcery.com>
22046             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22047             Virendra Pathak  <virendra.pathak@broadcom.com>
22048
22049         * config/aarch64/aarch64-cores.def: Change the scheduler
22050         to Thunderx2t99.
22051         * config/aarch64/aarch64.md: Include thunderx2t99.md.
22052         * config/aarch64/thunderx2t99.md: New file.
22053
22054 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22055
22056         * doc/standards.texi (Go Language): Update link to language
22057         standard.
22058
22059 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22060
22061         * tree-eh.c (lower_resx): Sanitize profile.
22062         (cleanup_empty_eh_move_lp): Likewise.
22063
22064 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
22065
22066         PR tree-ssa/79347
22067         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
22068         ELSE_PROB.
22069         * cfgloopmanip.h (loop_version): Update prototype.
22070         * modulo-sched.c (sms_schedule): Update call of loop_version.
22071         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
22072         * tree-parloops.c (gen_parallel_loop): Likewise.
22073         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
22074         * tree-ssa-loop-split.c (split_loop): Likewise.
22075         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
22076         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
22077
22078 2017-02-05  Martin Liska  <mliska@suse.cz>
22079
22080         PR bootstrap/78985
22081         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
22082         variable to NULL.
22083         (print_operand_address): Initialize a struct to zero.
22084
22085 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22086
22087         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
22088         garbage collector only in textual form.
22089
22090 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
22091
22092         * doc/extend.texi (x86 specific memory model extensions for
22093         transactional memory): Simplify a phrase.
22094
22095 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
22096
22097         PR target/79353
22098         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
22099         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
22100         (atomic_storedi_1): Likewise.
22101
22102 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
22103
22104         PR tree-optimization/79338
22105         * tree-parloops.c (gather_scalar_reductions): Don't call
22106         vect_analyze_loop_form for loop->inner before destroying loop's
22107         loop_vinfo.
22108
22109 2017-02-03  Martin Sebor  <msebor@redhat.com>
22110
22111         PR tree-optimization/79327
22112         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
22113         when precision has resulted in leading zeros.
22114         (format_integer): Adjust the likely counter to assume an unknown
22115         argument that may be zero is non-zero.
22116
22117 2017-02-03  Jason Merrill  <jason@redhat.com>
22118
22119         PR c++/78689
22120         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
22121         avoid copying non-taken branch.
22122
22123 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
22124
22125         PR tree-optimization/79340
22126         * tree-vect-loop.c (vectorizable_reduction): Release
22127         vec_defs elements after safe_splicing them into other vectors.
22128         Formatting fixes.
22129
22130         PR tree-optimization/79327
22131         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
22132         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
22133         dirtype.
22134         (format_integer): Use wide_int_to_tree instead of build_int_cst
22135         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
22136         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
22137         of shortest and longest sequence.
22138
22139 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
22140
22141         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
22142         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
22143
22144 2017-02-03  Walter Lee  <walt@tilera.com>
22145
22146         PR target/78862
22147         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
22148         after initial stackframe link reg save.
22149         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
22150
22151 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
22152
22153         PR target/79354
22154         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
22155         wu for stxssp alternative.
22156
22157 2017-02-03  Martin Sebor  <msebor@redhat.com>
22158
22159         PR tree-optimization/79352
22160         * gimple-fold.c (get_range_strlen): Add argument.
22161         (get_range_strlen): Change return type to bool.
22162         (get_maxval_strlen): Pass in a dummy argument.
22163         * gimple-fold.h (get_range_strlen): Change return type to bool.
22164         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
22165         * tree.h (array_at_struct_end_p): Add argument.
22166         * tree.c (array_at_struct_end_p): Handle it.
22167
22168 2017-02-03  Martin Liska  <mliska@suse.cz>
22169
22170         PR lto/66295
22171         * multiple_target.c (create_dispatcher_calls): Redirect edge
22172         from a caller of a dispatcher.
22173         (expand_target_clones): Make the clones local.
22174         (ipa_target_clone): Do both target clones and resolvers.
22175         (ipa_dispatcher_calls): Remove the pass.
22176         (pass_dispatcher_calls::gate): Likewise.
22177         (make_pass_dispatcher_calls): Likewise.
22178         * passes.def (pass_target_clone): Put as very first IPA early
22179         pass.
22180
22181 2017-02-03  Martin Liska  <mliska@suse.cz>
22182
22183         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
22184         in case of a function with ifunc attribute.
22185
22186 2017-02-03  Martin Liska  <mliska@suse.cz>
22187
22188         * cgraph.c (cgraph_node::dump): Dump function version info.
22189         * symtab.c (symtab_node::dump_base): Add missing new line.
22190
22191 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
22192
22193         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
22194         (ifcombine_ifandif): Use it.
22195
22196 2017-02-03  Martin Liska  <mliska@suse.cz>
22197
22198         * doc/invoke.texi: Document default value for
22199         use-after-scope-direct-emission-threshold.
22200
22201 2017-02-03  Martin Liska  <mliska@suse.cz>
22202
22203         PR tree-optimization/79339
22204         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
22205         (format_floating): Likewise.
22206
22207 2017-02-03  Martin Liska  <mliska@suse.cz>
22208
22209         PR ipa/79337
22210         * ipa-prop.c (ipa_node_params_t::insert): Remove current
22211         implementation.
22212         (ipa_node_params_t::remove): Likewise.
22213         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
22214         initialization from removed ipa_node_params_t::insert.
22215         (ipa_node_params::~ipa_node_params): Move from removed
22216         ipa_node_params_t::release.
22217         * symbol-summary.h (symbol_summary::m_released): New member.
22218         Do not release a summary twice.  Do not allow to call finalizer
22219         for types of a summary that live in GGC memory.
22220
22221 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
22222
22223         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
22224         cmp_branch fusion.
22225
22226 2017-02-02  Martin Sebor  <msebor@redhat.com>
22227
22228         PR middle-end/79275
22229         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
22230         (format_string): Tighten up the range of output for non-constant
22231         strings and correct the expected range for wide non-constant strings.
22232
22233 2017-02-02  Martin Sebor  <msebor@redhat.com>
22234
22235         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
22236
22237         PR middle-end/32003
22238         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
22239         index.
22240         (-fdump-tree-@var): Add to index and document how to come up
22241         with pass-specific option and dump file names.
22242         (-fdump-passes): Clarify where to look for output.
22243
22244 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
22245
22246         PR middle-end/77445
22247         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
22248         statistics of the analyzed path; allow threading for speed when
22249         any of BBs along the path are optimized for speed.
22250
22251 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
22252
22253         PR middle-end/78468
22254         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
22255         settings of the virtual registers.
22256
22257         Revert again
22258         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22259
22260         * explow.c (get_dynamic_stack_size): Take known alignment of stack
22261         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
22262         needed.
22263
22264 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22265
22266         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
22267         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
22268
22269 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22270
22271         * config/s390/s390.md: Add missing comments with the expanded
22272         mnemonics.
22273         * config/s390/vector.md: Likewise.
22274         * config/s390/vx-builtins.md: Likewise.
22275
22276 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
22277
22278         PR target/79197
22279         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
22280         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
22281         conditions on a single line.
22282
22283 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22284
22285         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
22286         __S390_VX__ to __VX__.
22287
22288 2017-02-01  Andrew Pinski  <apinski@cavium.com>
22289
22290         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
22291         stmt_info to record_stmt_cost.
22292         (vect_get_known_peeling_cost): Pass stmt_info if known to
22293         record_stmt_cost.
22294         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
22295         cpu_vector_cost field into
22296         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
22297         field into vec_int_stmt_cost and vec_fp_stmt_cost.
22298         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
22299         splitting of scalar_stmt_cost and vec_stmt_cost.
22300         (thunderx_vector_cost): Likewise.
22301         (cortexa57_vector_cost): LIkewise.
22302         (exynosm1_vector_cost): Likewise.
22303         (xgene1_vector_cost): Likewise.
22304         (thunderx2t99_vector_cost): Improve after the splitting of the two
22305         fields.
22306         (aarch64_builtin_vectorization_cost): Update for the splitting of
22307         scalar_stmt_cost and vec_stmt_cost.
22308
22309 2017-02-01  Torvald Riegel  <triegel@redhat.com>
22310             Richard Henderson  <rth@redhat.com>
22311
22312         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
22313         conditional on existance of a fast atomic load.
22314         * optabs-query.c (can_atomic_load_p): New function.
22315         * optabs-query.h (can_atomic_load_p): Declare it.
22316         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
22317         no fast atomic load is available for the particular size of access.
22318         (expand_atomic_compare_and_swap): Likewise.
22319         (expand_atomic_load): Likewise.
22320         (expand_atomic_store): Likewise.
22321         (expand_atomic_fetch_op): Likewise.
22322         * testsuite/lib/target-supports.exp
22323         (check_effective_target_sync_int_128): Remove x86 because it provides
22324         no fast atomic load.
22325         (check_effective_target_sync_int_128_runtime): Likewise.
22326
22327 2017-02-01  Richard Biener  <rguenther@suse.de>
22328
22329         * graphite.c: Include tree-vectorizer.h for find_loop_location.
22330         (graphite_transform_loops): Provide opt-info for optimized nests.
22331         * tree-parloop.c (parallelize_loops): Provide opt-info for
22332         parallelized loops.
22333
22334 2017-02-01  Richard Biener  <rguenther@suse.de>
22335
22336         PR middle-end/79315
22337         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
22338         was not set before.
22339
22340 2017-02-01  Richard Biener  <rguenther@suse.de>
22341
22342         PR tree-optimization/71824
22343         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22344         Verify the loops are valid in the merged SESE region.
22345         (scop_detection::can_represent_loop_1): Check analyzing the
22346         evolution of the number of iterations in the region succeeds.
22347
22348 2017-01-31  Ian Lance Taylor  <iant@golang.org>
22349
22350         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
22351         REG_ARGS_SIZE note to 32-bit push insns and call insn.
22352
22353 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
22354
22355         PR preprocessor/79210
22356         * input.c (get_substring_ranges_for_loc): Replace line_width
22357         assertion with error-handling.
22358
22359 2017-01-31  Richard Biener  <rguenther@suse.de>
22360
22361         PR tree-optimization/77318
22362         * graphite-sese-to-poly.c (extract_affine): Fix assert.
22363         (create_pw_aff_from_tree): Take loop parameter.
22364         (add_condition_to_pbb): Pass loop of the condition to
22365         create_pw_aff_from_tree.
22366
22367 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
22368
22369         * config/s390/s390.c (s390_asan_shadow_offset): New function.
22370         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
22371
22372 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
22373
22374         PR target/78597
22375         PR target/79038
22376         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
22377         no longer used.
22378         (convert_int_to_float128): Likewise.
22379         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
22380         (convert_int_to_float128): Likewise.
22381         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
22382         (UNSPEC_IEEE128_CONVERT): Likewise.
22383         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
22384         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
22385         Use local variables for IBM extended format.
22386         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
22387         (fix_trunc<mode>si2_fprs): Likewise.
22388         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
22389         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
22390         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
22391         to know that we can now have integers of all sizes in vector
22392         registers.
22393         (fix<uns>_<mode>di2_hw): Likewise.
22394         (float<uns>_<mode>si2_hw): Likewise.
22395         (fix_<mode>si2_hw): Likewise.
22396         (fixuns_<mode>si2_hw): Likewise.
22397         (float<uns>_<mode>di2_hw): Likewise.
22398         (float_<mode>di2_hw): Likewise.
22399         (float_<mode>si2_hw): Likewise.
22400         (floatuns_<mode>di2_hw): Likewise.
22401         (floatuns_<mode>si2_hw): Likewise.
22402         (xscvqp<su>wz_<mode>): Delete, no longer used.
22403         (xscvqp<su>dz_<mode>): Likewise.
22404         (xscv<su>dqp_<mode>): Likewise.
22405         (ieee128_mfvsrd_64bit): Likewise.
22406         (ieee128_mfvsrd_32bit): Likewise.
22407         (ieee128_mfvsrwz): Likewise.
22408         (ieee128_mtvsrw): Likewise.
22409         (ieee128_mtvsrd_64bit): Likewise.
22410         (ieee128_mtvsrd_32bit): Likewise.
22411
22412 2017-01-31  Martin Liska  <mliska@suse.cz>
22413
22414         PR ipa/79285
22415         * ipa-prop.c (ipa_free_all_node_params): Call release method
22416         instead of ~sumbol_summary to not to trigger double times
22417         dtor of hash_map.
22418
22419 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
22420
22421         PR tree-optimization/71691
22422         * bitmap.h (class auto_bitmap): New.
22423         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
22424         is_maybe_undefined instead of ssa_undefined_value_p.
22425
22426 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22427
22428         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
22429         __S390_ARCH_LEVEL__ to __ARCH__.
22430
22431 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
22432
22433         PR tree-optimization/79267
22434         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
22435         if should_remove_lhs_p is true.
22436
22437 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
22438
22439         PR debug/63238
22440         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
22441         (add_alignment_attribute): New.
22442         (base_type_die): Add alignment attribute.
22443         (subrange_type_die): Likewise.
22444         (modified_type_die): Likewise.
22445         (gen_array_type_die): Likewise.
22446         (gen_descr_array_type_die: Likewise.
22447         (gen_enumeration_type_die): Likewise.
22448         (gen_subprogram_die): Likewise.
22449         (gen_variable_die): Likewise.
22450         (gen_field_die): Likewise.
22451         (gen_ptr_to_mbr_type_die): Likewise.
22452         (gen_struct_or_union_type_die): Likewise.
22453         (gen_subroutine_type_die): Likewise.
22454         (gen_typedef_die): Likewise.
22455         (base_type_cmp): Compare alignment attribute.
22456
22457 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22458
22459         PR target/79170
22460         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
22461         (setb_unsigned) New pattern for setb with CCUNS.
22462         * config/rs6000/rs6000.c (expand_block_compare): Use a different
22463         subfc./subfe sequence to avoid overflow problems.  Generate a
22464         shorter sequence with cmpld/setb for power9.
22465         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
22466         for generating subfc. instruction.
22467         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
22468         now uses this instruction.
22469
22470 2017-01-30  Ian Lance Taylor  <iant@google.com>
22471
22472         PR debug/79289
22473         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
22474         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
22475
22476 2017-01-30  Martin Sebor  <msebor@redhat.com>
22477
22478         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
22479         Move constant to the right of a relational operator.
22480         (get_mpfr_format_length, format_character, format_string): Ditto.
22481         (should_warn_p, maybe_warn): Same.
22482
22483         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
22484
22485 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
22486
22487         PR lto/79061
22488         * asan.c (get_translation_unit_decl): Remove function.
22489         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
22490
22491 2017-01-30  Martin Liska  <mliska@suse.cz>
22492
22493         PR gcov-profile/79259
22494         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
22495         -fprofile-generate.
22496
22497 2017-01-30  Martin Liska  <mliska@suse.cz>
22498
22499         PR bootstrap/78985
22500         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
22501         Initialize variables with NULL value.
22502
22503 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
22504
22505         PR target/79260
22506         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
22507         tm_p_file.
22508         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
22509
22510 2017-01-30  Richard Biener  <rguenther@suse.de>
22511
22512         PR tree-optimization/79276
22513         * tree-vrp.c (process_assert_insertions): Properly adjust common
22514         when removing a duplicate.
22515
22516         * gcc.dg/torture/pr79276.c: New testcase.
22517
22518 2017-01-30  Richard Biener  <rguenther@suse.de>
22519
22520         PR tree-optimization/79256
22521         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
22522         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
22523         alignment on TYPE.
22524         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
22525
22526 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22527
22528         PR target/79240
22529         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
22530         ("*r<noxa>sbg_<mode>_sll_bitmask")
22531         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
22532         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
22533         Use contiguous_bitmask_nowrap_operand.
22534
22535 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22536
22537         PR target/79268
22538         * config/rs6000/altivec.h (vec_xl): Revise #define.
22539         (vec_xst): Likewise.
22540
22541 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
22542
22543         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
22544
22545 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
22546
22547         PR rtl-optimization/79194
22548         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
22549         traps before call to bypass_conditional_jumps.
22550
22551 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
22552
22553         PR tree-optimization/71374
22554         * lra-constraints.c (check_conflict_input_operands): New.
22555         (match_reload): Use it.
22556
22557 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
22558
22559         PR target/79131
22560         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
22561         account to calculate conflict_set.
22562
22563 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
22564
22565         PR rtl-optimization/78559
22566         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
22567         other_insn in combine.
22568
22569 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
22570
22571         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
22572         uint16_type_node for BT_UINT16.
22573
22574 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
22575
22576         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
22577         "RTL Tests" to menu.
22578         (GIMPLE Tests): New node.
22579         (RTL Tests): New node.
22580
22581 2017-01-27  Richard Biener  <rguenther@suse.de>
22582
22583         PR tree-optimization/79245
22584         * tree-loop-distribution.c (distribute_loop): Apply cost
22585         modeling also to detected patterns.
22586
22587 2017-01-27  Richard Biener  <rguenther@suse.de>
22588
22589         PR tree-optimization/71433
22590         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
22591         (compare_assert_loc): New function.
22592         (process_assert_insertions): Sort and optimize assert locations
22593         to remove duplicates and push down identical assertions on
22594         edges to their destination block.
22595
22596 2017-01-27  Richard Biener  <rguenther@suse.de>
22597
22598         PR tree-optimization/79244
22599         * tree-vrp.c (remove_range_assertions): Forcefully propagate
22600         out SSA names even if abnormal.
22601
22602 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
22603
22604         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
22605         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
22606         instead of MPFR_RNDN.
22607
22608 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
22609
22610         PR target/79239
22611         * arm.c (arm_option_override): Don't call build_target_option_node
22612         until after doing all option overrides.
22613         (arm_valid_target_attribute_tree): Likewise.
22614
22615 2017-01-27  Martin Liska  <mliska@suse.cz>
22616
22617         * doc/invoke.texi (-fprofile-arcs): Document profiling support
22618         for {cd}tors and C++ {cd}tors.
22619
22620 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22621
22622         * config/s390/s390.md ("*setmem_long_and")
22623         ("*setmem_long_and_31z"): Use zero_extend instead of and.
22624
22625 2017-01-26  Martin Sebor  <msebor@redhat.com>
22626
22627         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
22628         of precision.
22629
22630 2017-01-26  Martin Sebor  <msebor@redhat.com>
22631
22632         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
22633         HAVE_DFmode before using XFmode or DFmode.
22634         (parse_directive): Avoid using the z length modifier to avoid
22635         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
22636
22637         PR middle-end/78703
22638         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
22639         to accept adjustment as an array.
22640         (get_int_range): New function.
22641         (struct directive): Make width and prec arrays.
22642         (directive::set_width, directive::set_precision): Call get_int_range.
22643         (format_integer, format_floating): Handle width and precision ranges.
22644         (format_string, parse_directive): Same.
22645
22646 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22647
22648         PR debug/79129
22649         * dwarf2out.c (generate_skeleton_bottom_up): For children with
22650         comdat_type_p set, just clone them, but keep the children in the
22651         original DIE.
22652
22653         PR debug/78835
22654         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
22655         which have direct callers with -fvar-tracking-assignments enabled
22656         in the current TU.
22657         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
22658         inside of type units.
22659
22660 2017-01-26  Martin Sebor  <msebor@redhat.com>
22661
22662         PR middle-end/78703
22663         * gimple-ssa-sprintf.c (struct result_range): Add likely and
22664         unlikely counters.
22665         (struct format_result): Replace number_chars, number_chars_min,
22666         and number_chars_max with a single member of struct result_range.
22667         Remove bounded.
22668         (format_result::operator+=): Adjust.
22669         (struct fmtresult): Remove bounded.  Handle likely and unlikely
22670         counters.
22671         (fmtresult::adjust_for_width_or_precision): New function.
22672         (fmtresult:type_max_digits): New function.
22673         (bytes_remaining): Handle likely and unlikely counters.
22674         (min_bytes_remaining): Remove.
22675         (format_percent): Simplify.
22676         (format_integer, format_floating): Set likely and unlikely counters.
22677         (get_string_length, format_character, format_string): Same.
22678         (format_plain, should_warn_p): New function.
22679         (maybe_warn): Call should_warn_p.  Update diagnostic messages
22680         and handle those for all directives, including plain strings.
22681         (format_directive): Handle likely and unlikely counters.
22682         Remove unnecessary quoting from diagnostics.  Add an informational
22683         note.
22684         (add_bytes): Remove.
22685         (pass_sprintf_length::compute_format_length): Simplify.
22686         (try_substitute_return_value): Handle likely and unlikely counters.
22687
22688 2017-01-26  Carl Love  <cel@us.ibm.com>
22689
22690         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
22691         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
22692
22693 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
22694
22695         PR target/79131
22696         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
22697         endianess for subregs into account.
22698         * lra-constraints.c (lra_constraints): Do risky transformations
22699         always on the first iteration.
22700         * lra-lives.c (check_pseudos_live_through_calls): Add arg
22701         last_call_used_reg_set.
22702         (process_bb_lives): Define and use last_call_used_reg_set.
22703         * lra.c (lra): Always continue after lra_constraints on the first
22704         iteration.
22705
22706 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
22707
22708         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
22709         constant.
22710         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
22711
22712 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22713
22714         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
22715         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
22716         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
22717         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
22718         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
22719         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
22720         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
22721         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
22722         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
22723
22724 2017-01-26  Marek Polacek  <polacek@redhat.com>
22725
22726         PR c/79199
22727         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
22728         for the third operand.
22729
22730 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22731
22732         PR middle-end/79236
22733         * omp-low.c (struct omp_context): Add simt_stmt field.
22734         (scan_omp_for): Return omp_context *.
22735         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
22736         context to the _simt_ SIMD stmt.
22737         (lower_omp_for): For combined SIMD with sibling _simt_
22738         SIMD, make sure to use the same decls in _looptemp_
22739         clauses as in the sibling.
22740
22741 2017-01-26  David Sherwood  <david.sherwood@arm.com>
22742
22743         PR middle-end/79212
22744         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
22745         all contexts.
22746
22747 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
22748
22749         PR target/70465
22750         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
22751         emit fld b; fld a; if possible.
22752
22753         * brig-builtins.def: Update copyright years.
22754         * config/arm/arm_acle_builtins.def: Update copyright years.
22755
22756 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
22757
22758         PR target/79179
22759         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
22760         constraint instead of o for the stxsd instruction.
22761
22762 2017-01-25  Carl Love  <cel@us.ibm.com>
22763
22764         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
22765         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
22766
22767 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
22768
22769         * doc/invoke.texi (C++ Dialect Options): Fix typo.
22770
22771 2017-01-25  Richard Biener  <rguenther@suse.de>
22772
22773         PR tree-optimization/69264
22774         * target.def (vector_alignment_reachable): Improve documentation.
22775         * doc/tm.texi: Regenerate.
22776         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
22777         and add a comment.
22778         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
22779         earlier changes with respect to TYPE_USER_ALIGN.
22780         (vector_alignment_reachable_p): Likewise.  Improve dumping.
22781
22782 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22783
22784         PR target/79145
22785         * config/arm/arm.md (xordi3): Force constant operand into a register
22786         for TARGET_IWMMXT.
22787
22788 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22789
22790         * doc/invoke.texi (-fstore-merging): Correct default optimization
22791         levels at which it is enabled.
22792         (-O): Move -fstore-merging from list to...
22793         (-O2): ... Here.
22794
22795 2017-01-25  Richard Biener  <rguenther@suse.de>
22796
22797         PR debug/78363
22798         * omp-expand.c: Include debug.h.
22799         (expand_omp_taskreg): Make sure to generate early debug before
22800         outlining anything from a function.
22801         (expand_omp_target): Likewise.
22802         (grid_expand_target_grid_body): Likewise.
22803
22804 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
22805
22806         PR lto/79061
22807         * asan.c (get_translation_unit_decl): New function.
22808         (asan_add_global): Extract modules file name from globals
22809         TRANSLATION_UNIT_DECL name.
22810
22811 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
22812
22813         PR target/77439
22814         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
22815         for long calls with APCS frame and VFP.
22816
22817 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
22818
22819         * cfg.c (original_copy_tables_initialized_p): New function.
22820         * cfg.h (original_copy_tables_initialized_p): New decl.
22821         * cfgrtl.c (relink_block_chain): Guard the call to
22822         free_original_copy_tables with a call to
22823         original_copy_tables_initialized_p.
22824         * cgraph.h (symtab_node::native_rtl_p): New decl.
22825         * cgraphunit.c (symtab_node::native_rtl_p): New function.
22826         (symtab_node::needed_p): Don't assert for early assembly output
22827         for __RTL functions.
22828         (cgraph_node::finalize_function): Set "force_output" for __RTL
22829         functions.
22830         (cgraph_node::analyze): Bail out early for __RTL functions.
22831         (analyze_functions): Update assertion to support __RTL functions.
22832         (cgraph_node::expand): Bail out early for __RTL functions.
22833         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
22834         __RTL functions.
22835         * function.h (struct function): Update comment for field
22836         "pass_startwith".
22837         * gimple-expr.c: Include "tree-pass.h".
22838         (gimple_has_body_p): Return false for __RTL functions.
22839         * Makefile.in (OBJS): Add run-rtl-passes.o.
22840         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
22841         accessor.
22842         (gcc::pass_manager::get_clean_slate): New accessor.
22843         * passes.c: Include "insn-addr.h".
22844         (should_skip_pass_p): Add logging.  Update logic for running
22845         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
22846         property-provider override so it is only done for gimple passes.
22847         Don't skip dfinit.
22848         (skip_pass): New function.
22849         (execute_one_pass): Call skip_pass when skipping passes.
22850         * read-md.c (md_reader::read_char): Support filtering
22851         the input to a subset of line numbers.
22852         (md_reader::md_reader): Initialize fields
22853         m_first_line and m_last_line.
22854         (md_reader::read_file_fragment): New function.
22855         * read-md.h (md_reader::read_file_fragment): New decl.
22856         (md_reader::m_first_line): New field.
22857         (md_reader::m_last_line): New field.
22858         * read-rtl-function.c (function_reader::create_function): Only
22859         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
22860         curr_properties.  Set DECL_INITIAL to a dummy block.
22861         (read_rtl_function_body_from_file_range): New function.
22862         * read-rtl-function.h (read_rtl_function_body_from_file_range):
22863         New decl.
22864         * run-rtl-passes.c: New file.
22865         * run-rtl-passes.h: New file.
22866
22867 2017-01-24  Jeff Law  <law@redhat.com>
22868
22869         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
22870         buffer size.
22871
22872 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
22873
22874         PR tree-optimization/79159
22875         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
22876         (record_nonwrapping_iv): Improve boundary using above function if no
22877         value range information.
22878
22879 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
22880             Martin Jambor  <mjambor@suse.cz>
22881
22882         * brig-builtins.def: New file.
22883         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
22884         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
22885         (DEF_HSAIL_SAT_BUILTIN): Likewise.
22886         (DEF_HSAIL_INTR_BUILTIN): Likewise.
22887         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
22888         * builtin-types.def (BT_INT8): New.
22889         (BT_INT16): Likewise.
22890         (BT_UINT8): Likewise.
22891         (BT_UINT16): Likewise.
22892         (BT_FN_ULONG): Likewise.
22893         (BT_FN_UINT_INT): Likewise.
22894         (BT_FN_UINT_ULONG): Likewise.
22895         (BT_FN_UINT_LONG): Likewise.
22896         (BT_FN_UINT_PTR): Likewise.
22897         (BT_FN_ULONG_PTR): Likewise.
22898         (BT_FN_INT8_FLOAT): Likewise.
22899         (BT_FN_INT16_FLOAT): Likewise.
22900         (BT_FN_UINT32_FLOAT): Likewise.
22901         (BT_FN_UINT16_FLOAT): Likewise.
22902         (BT_FN_UINT8_FLOAT): Likewise.
22903         (BT_FN_UINT64_FLOAT): Likewise.
22904         (BT_FN_UINT16_UINT32): Likewise.
22905         (BT_FN_UINT32_UINT16): Likewise.
22906         (BT_FN_UINT16_UINT16_UINT16): Likewise.
22907         (BT_FN_INT_PTR_INT): Likewise.
22908         (BT_FN_UINT_PTR_UINT): Likewise.
22909         (BT_FN_LONG_PTR_LONG): Likewise.
22910         (BT_FN_ULONG_PTR_ULONG): Likewise.
22911         (BT_FN_VOID_UINT64_UINT64): Likewise.
22912         (BT_FN_UINT8_UINT8_UINT8): Likewise.
22913         (BT_FN_INT8_INT8_INT8): Likewise.
22914         (BT_FN_INT16_INT16_INT16): Likewise.
22915         (BT_FN_INT_INT_INT): Likewise.
22916         (BT_FN_UINT_FLOAT_UINT): Likewise.
22917         (BT_FN_FLOAT_UINT_UINT): Likewise.
22918         (BT_FN_ULONG_UINT_UINT): Likewise.
22919         (BT_FN_ULONG_UINT_PTR): Likewise.
22920         (BT_FN_ULONG_ULONG_ULONG): Likewise.
22921         (BT_FN_UINT_UINT_UINT): Likewise.
22922         (BT_FN_VOID_UINT_PTR): Likewise.
22923         (BT_FN_UINT_UINT_PTR: Likewise.
22924         (BT_FN_UINT32_UINT64_PTR): Likewise.
22925         (BT_FN_INT_INT_UINT_UINT): Likewise.
22926         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
22927         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
22928         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
22929         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
22930         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
22931         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
22932         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
22933         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
22934         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
22935         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
22936         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
22937         * doc/frontends.texi: List BRIG FE.
22938         * doc/install.texi (Testing): Add BRIG tesring requirements.
22939         * doc/invoke.texi (Overall Options): Mention BRIG.
22940         * doc/standards.texi (Standards): Doucment BRIG HSA version.
22941
22942 2017-01-24  Richard Biener  <rguenther@suse.de>
22943
22944         PR translation/79208
22945         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
22946
22947 2017-01-24  Martin Jambor  <mjambor@suse.cz>
22948
22949         PR bootstrap/79198
22950         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
22951         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
22952         and known_contexts.
22953
22954 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
22955
22956         PR middle-end/79123
22957         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
22958         casts from signed to unsigned really don't have a range.
22959
22960 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
22961
22962         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
22963         GMP_RNDx for compatiblity.
22964
22965 2017-01-24  Martin Liska  <mliska@suse.cz>
22966
22967         PR bootstrap/79132
22968         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
22969         that would prevent us to call alloca with -1 as argument.
22970
22971 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
22972
22973         * dwarf2out.c (output_compilation_unit_header, output_file_names):
22974         Avoid -Wformat-security warning.
22975
22976 2017-01-23  Andrew Pinski  <apinski@cavium.com>
22977
22978         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
22979         cost table.
22980
22981 2017-01-23  Martin Sebor  <msebor@redhat.com>
22982
22983         PR middle-end/78703
22984         * gimple-ssa-sprintf.c (warn_level): New global.
22985         (format_integer): Use it here and throughout the rest of the file.
22986         Use the same switch to compute sign as base.
22987         (maybe_warn): New function.
22988         (format_directive): Factor out warnings into maybe_warn.
22989         Add debugging output.  Use warn_level.
22990         (add_bytes): Use warn_level.
22991         (pass_sprintf_length::compute_format_length): Add debugging output.
22992         (try_substitute_return_value): Same.
22993         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
22994
22995         PR middle-end/78703
22996         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
22997         (struct fmtresult, format_integer, format_floating): Adjust.
22998         (fmtresult::fmtresult): Set max correctly in two argument ctor.
22999         (get_string_length, format_string,format_directive): Same.
23000         (pass_sprintf_length::compute_format_length): Same.
23001         (try_substitute_return_value): Simplify slightly.
23002
23003         PR middle-end/78703
23004         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
23005         (fmtresult::operator+=): Outlined.
23006         (struct fmtresult): Add ctors.
23007         (struct conversion_spec): Rename...
23008         (struct directive): ...to this.  Add and remove data members.
23009         (directive::set_width, directive::set_precision): New functions.
23010         (format_percent): Use fmtresult ctor.
23011         (get_width_and_precision): Remove.
23012         (format_integer): Make naming changes.  Avoid computing width and
23013         precision.
23014         (format_floating): Same.  Adjust indentation.
23015         (format_character, format_none): New functions.
23016         (format_string): Moved character handling to format_character.
23017         (format_directive): Remove arguments, change return type.
23018         (parse_directive): New function.
23019         (pass_sprintf_length::compute_format_length): Move directive
23020         parsing to parse_directive.
23021
23022 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23023
23024         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
23025         (assign_assembler_name_if_needed): ... this.
23026         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
23027         (assign_assembler_name_if_needed): ... this.
23028         (free_lang_data_in_cgraph): Adjust callers.
23029         * cgraphunit.c (cgraph_node::analyze): Likewise.
23030         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
23031         Likewise.
23032
23033 2017-01-23  Richard Biener  <rguenther@suse.de>
23034
23035         PR tree-optimization/79088
23036         PR tree-optimization/79188
23037         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
23038         resetting loop bounds after last path deletion.  Reset loop
23039         bounds of the target loop, make code match the comments.
23040         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
23041         Make sure loops need no fixups.
23042
23043 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23044
23045         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
23046         exponent support with double type for first argument.
23047         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
23048         type returned by __builtin_vec_extract_sig,
23049         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
23050         functions from "vector int" to "vector unsigned int" or from
23051         "vector long long int" to "vector unsigned long long int".
23052         Changed type returned by __builtin_vec_extract_exp,
23053         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
23054         functions from "vector int" to "vector unsigned int" or from
23055         "vector long long int" to "vector unsigned long long int".
23056         Changed return type of __builtin_vec_test_data_class,
23057         __builtin_vec_test_data_class_sp, and
23058         __builtin_vec_test_data_class_dp from "vector int" to
23059         "vector bool int" or from "vector long long int" to "vector bool
23060         long long int" and changed second argument type from "unsigned
23061         int" to "int".  Added new overloaded function forms "vector float
23062         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
23063         "vector float __builtin_vec_insert_exp_sp (vector float, vector
23064         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
23065         double, vector unsigned long long int)" and "vector double
23066         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
23067         long int)".  Changed return type of
23068         __builtin_scalar_test_data_class and
23069         __builtin_scalar_test_data_class_sp and
23070         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
23071         int" and changed second argument from "unsigned int" to "int".
23072         Changed type returned by __builtin_scalar_test_neg,
23073         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
23074         from "int" to "bool int".  Added new overloaded function form
23075         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
23076         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
23077         exponent double-precision with floating point first argument.
23078         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
23079         documentation of scalar_test_data_class, scalar_test_neg,
23080         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
23081         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
23082         vec_test_data_class built-in functions to reflect refinements in
23083         their type signatures.
23084
23085 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
23086
23087         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
23088         size of buf.
23089         (aarch64_elf_asm_destructor): Likewise.
23090
23091 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
23092
23093         PR rtl-optimization/78634
23094         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
23095         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
23096         * ifcvt.c (noce_try_cmove): Add missing cost check.
23097
23098         PR rtl-optimization/71724
23099         * combine.c (if_then_else_cond): Look for situations where it is
23100         beneficial to undo the work of one of the recursive calls.
23101
23102 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
23103
23104         PR tree-optimization/70754
23105         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
23106         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
23107         combined stmt before it if not NULL.
23108         (combine_chains): Process refs reversely and compute dominance point
23109         for root ref.
23110
23111 2017-01-23  Martin Liska  <mliska@suse.cz>
23112
23113         PR tree-optimization/79196
23114         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
23115         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
23116         instead of memcmp.
23117         (strlen_optimize_stmt): Call the renamed function.
23118
23119 2017-01-23  Michael Matz  <matz@suse.de>
23120
23121         PR tree-optimization/78384
23122         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
23123
23124 2017-01-23  Richard Biener  <rguenther@suse.de>
23125
23126         PR tree-optimization/79186
23127         * tree-vrp.c (register_new_assert_for): Make sure we've seen
23128         both incoming edges before moving an assert.
23129
23130 2017-01-23  Martin Jambor  <mjambor@suse.cz>
23131
23132         * ipa-prop.c (load_from_param_1): Removed.
23133         (load_from_unmodified_param): Bits from load_from_param_1 put back
23134         here.
23135         (load_from_param): Removed.
23136         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
23137         with stmt.  Reverted back to use of load_from_unmodified_param.
23138
23139 2017-01-23  Martin Jambor  <mjambor@suse.cz>
23140
23141         PR ipa/79108
23142         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
23143         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
23144         field a pointer to garbage collected vector, mark lattices and
23145         ipcp_orig_node with GTY((skip)).
23146         (ipa_get_param_count): Adjust to descriptors being a pointer.
23147         (ipa_get_param): Likewise.
23148         (ipa_get_type): Likewise.
23149         (ipa_get_param_move_cost): Likewise.
23150         (ipa_set_param_used): Likewise.
23151         (ipa_get_controlled_uses): Likewise.
23152         (ipa_set_controlled_uses): Likewise.
23153         (ipa_is_param_used): Likewise.
23154         (ipa_node_params_t): Move into garbage collector.  New methods insert
23155         and remove.
23156         (ipa_node_params_sum): Annotate wth GTY(()).
23157         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
23158         garbage collected.
23159         (ipa_load_from_parm_agg): Adjust declaration.
23160         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
23161         * ipa-profile.c (ipa_profile): Likewise.
23162         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
23163         (ipa_populate_param_decls): Make descriptors parameter garbage
23164         collected.
23165         (ipa_dump_param): Adjust to descriptors being a pointer.
23166         (ipa_alloc_node_params): Likewise.
23167         (ipa_initialize_node_params): Likewise.
23168         (load_from_param_1): Make descriptors parameter garbage collected.
23169         (load_from_unmodified_param): Likewise.
23170         (load_from_param): Likewise.
23171         (ipa_load_from_parm_agg): Likewise.
23172         (ipa_node_params::~ipa_node_params): Removed.
23173         (ipa_free_all_node_params): Remove call to delete operator.
23174         (ipa_node_params_t::insert): New.
23175         (ipa_node_params_t::remove): Likewise.
23176         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
23177         copy known_csts and known_contexts vectors.
23178         (ipa_read_node_info): Adjust to descriptors being a pointer.
23179         (ipcp_modif_dom_walker): Make m_descriptors field garbage
23180         collected.
23181         (ipcp_transform_function): Make descriptors variable garbage
23182         collected.
23183
23184 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
23185
23186         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
23187         * config/i386/avx512dqintrin.h: Ditto.
23188         * config/i386/avx512fintrin.h: Ditto.
23189         * config/i386/i386.c: Handle new builtins.
23190         * config/i386/i386-builtin.def: Add new builtins.
23191         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
23192         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
23193
23194 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
23195             Martin Liska  <mliska@suse.cz>
23196
23197         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
23198         * asan.c (asan_expand_poison_ifn): Support stores and use
23199         appropriate ASAN report function.
23200         * internal-fn.c (expand_ASAN_POISON_USE): New function.
23201         * internal-fn.def (ASAN_POISON_USE): Declare.
23202         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
23203         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
23204         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
23205         ASAN_POISON calls w/o LHS.
23206         * tree-ssa.c (execute_update_addresses_taken): Create clobber
23207         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
23208         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
23209         * gimplify.c (asan_poison_variables): Add attribute
23210         use_after_scope_memory to variables that really needs to live
23211         in memory.
23212         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
23213         having the attribute.
23214
23215 2017-01-23  Martin Liska  <mliska@suse.cz>
23216
23217         * asan.c (create_asan_shadow_var): New function.
23218         (asan_expand_poison_ifn): Likewise.
23219         * asan.h (asan_expand_poison_ifn): New declaration.
23220         * internal-fn.c (expand_ASAN_POISON): Likewise.
23221         * internal-fn.def (ASAN_POISON): New builtin.
23222         * sanopt.c (pass_sanopt::execute): Expand
23223         asan_expand_poison_ifn.
23224         * tree-inline.c (copy_decl_for_dup_finish): Make function
23225         external.
23226         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
23227         * tree-ssa.c (is_asan_mark_p): New function.
23228         (execute_update_addresses_taken): Rewrite local variables
23229         (identified just by use-after-scope as addressable) into SSA.
23230
23231 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
23232
23233         * doc/install.texi (Specific): opensource.apple.com uses https
23234         now. Remove trailing slash.
23235
23236 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
23237
23238         * README.Portability: Remove note on an Irix compatibility issue.
23239
23240 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
23241
23242         * gcov.c (INCLUDE_ALGORITHM): Define.
23243         (INCLUDE_VECTOR): Define.
23244         No longer include <vector> and <algorithm> directly.
23245
23246 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
23247
23248         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
23249         to https.
23250         * doc/invoke.texi (Code Gen Options): Ditto.
23251
23252 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
23253
23254         PR lto/78407
23255         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
23256
23257 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
23258
23259         rtl-optimization/79125
23260         * cprop.c (local_cprop_pass): Handle cases where we make an
23261         unconditional trap.
23262
23263 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
23264
23265         PR target/61729
23266         PR target/77850
23267         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
23268         read from, for big endian.
23269
23270 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
23271
23272         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
23273         register pauth builtins for LP64 only.
23274
23275 2017-01-20  Marek Polacek  <polacek@redhat.com>
23276
23277         PR c/79152
23278         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
23279         non-case labels.
23280
23281 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
23282
23283         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
23284         of safelen status.
23285         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
23286         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
23287         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
23288
23289 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23290
23291         PR target/71270
23292         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
23293         in big-endian mode when they are not a single duplicated value.
23294
23295 2017-01-20  Richard Biener  <rguenther@suse.de>
23296
23297         * BASE-VER: Bump to 7.0.1.
23298
23299 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
23300
23301         * omp-low.c (omplow_simd_context): New struct.  Use it...
23302         (lower_rec_simd_input_clauses): ...here and...
23303         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
23304         references to idx, lane, max_vf, is_simt.
23305
23306 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
23307
23308         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
23309         mcpu=nps400.
23310
23311 2017-01-20  Martin Jambor  <mjambor@suse.cz>
23312
23313         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
23314         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
23315         gt-hsa-common.h.
23316         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
23317         (GTFILES): Rename hsa.c to hsa-common.c.
23318         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
23319         * hsa-dump.c: Likewise.
23320         * hsa-gen.c: Likewise.
23321         * hsa-regalloc.c: Likewise.
23322         * ipa-hsa.c: Likewise.
23323         * omp-expand.c: Likewise.
23324         * omp-low.c: Likewise.
23325         * toplev.c: Likewise.
23326
23327 2017-01-20  Marek Polacek  <polacek@redhat.com>
23328
23329         PR c/64279
23330         * doc/invoke.texi: Document -Wduplicated-branches.
23331         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
23332         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
23333         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
23334         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
23335         return 0 only when not OEP_LEXICOGRAPHIC.
23336         (fold_build_cleanup_point_expr): Use the expression
23337         location when building CLEANUP_POINT_EXPR.
23338         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
23339         * tree.c (add_expr): Handle error_mark_node.
23340
23341 2017-01-20  Martin Liska  <mliska@suse.cz>
23342
23343         PR lto/69188
23344         * tree-profile.c (init_ic_make_global_vars): Do not call
23345         finalize_decl.
23346         (gimple_init_gcov_profiler): Likewise.
23347
23348 2017-01-20  Martin Liska  <mliska@suse.cz>
23349
23350         PR ipa/71190
23351         * cgraph.h (maybe_create_reference): Remove argument and
23352         update comment.
23353         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
23354         argument.
23355         * ipa-cp.c (create_specialized_node): Likewise.
23356         * symtab.c (symtab_node::maybe_create_reference): Handle
23357         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
23358
23359 2017-01-20  Martin Liska  <mliska@suse.cz>
23360
23361         * read-rtl-function.c (function_reader::create_function): Use
23362         build_decl instread of build_decl_stat.
23363
23364 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
23365
23366         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
23367         * config/i386/avx512dqintrin.h: Ditto.
23368         * config/i386/avx512fintrin.h: Ditto.
23369         * config/i386/i386-builtin-types.def: Add new types.
23370         * config/i386/i386.c: Handle new types.
23371         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
23372         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
23373         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
23374         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
23375         (__builtin_ia32_kshiftridi): New.
23376         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
23377
23378 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
23379
23380         PR target/78875
23381         PR target/79140
23382         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
23383         define to rs6000_init_stack_protect_guard.
23384         (rs6000_init_stack_protect_guard): New function.
23385
23386 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
23387             Yunqiang Su  <yunqiang.su@imgtec.com>
23388
23389         * config.gcc (supported_defaults): Add madd4.
23390         (with_madd4): Add validation.
23391         (all_defaults): Add madd4.
23392         * config/mips/mips.opt (mmadd4): New option.
23393         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
23394         mmadd4.
23395         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
23396         __mips_no_madd4.
23397         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
23398         (ISA_HAS_FUSED_MADD4): Likewise.
23399         * doc/invoke.texi (-mmadd4): Document the new option.
23400         * doc/install.texi (--with-madd4): Document the new option.
23401
23402 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23403
23404         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
23405         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
23406         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
23407         (aarch64_init_pauth_hint_builtins): New.
23408         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
23409         (aarch64_expand_builtin): Expand new builtins.
23410
23411 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23412
23413         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
23414         * combine-stack-adj.c (no_unhandled_cfa): Handle
23415         REG_CFA_TOGGLE_RA_MANGLE.
23416         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
23417         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
23418         info for return address signing.
23419         (aarch64_expand_epilogue): Likewise.
23420
23421 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23422
23423         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
23424         * config/aarch64/aarch64-protos.h
23425         (aarch64_return_address_signing_enabled): New declaration.
23426         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
23427         New function.
23428         (aarch64_expand_prologue): Sign return address before it's pushed onto
23429         stack.
23430         (aarch64_expand_epilogue): Authenticate return address fetched from
23431         stack.
23432         (aarch64_override_options): Sanity check for ILP32 and ISA level.
23433         (aarch64_attributes): New function attributes for "sign-return-address".
23434         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
23435         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
23436         ("*do_return"): Generate combined instructions according to key index.
23437         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
23438         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
23439         iterators.
23440         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
23441         * config/aarch64/aarch64.opt (msign-return-address=): New.
23442         * doc/extend.texi (AArch64 Function Attributes): Documents
23443         "sign-return-address=".
23444         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
23445
23446 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
23447
23448         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
23449         overall option summary.
23450
23451 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
23452
23453         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
23454         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
23455         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
23456         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
23457
23458 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
23459
23460         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
23461         -mpower9-minmax by default for -mcpu=power9.
23462         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
23463         128-bit floating point.
23464
23465 2017-01-20  Alan Modra  <amodra@gmail.com>
23466
23467         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
23468         optimizing for size.
23469
23470 2017-01-20  Alan Modra  <amodra@gmail.com>
23471
23472         PR target/79144
23473         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
23474         for strcmp and strncmp from corresponding builtin decl.
23475
23476 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
23477
23478         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
23479         instead of i386/rtems-64.h.
23480         * config/i386/rtems-64.h: Remove.
23481
23482 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
23483
23484         PR target/78478
23485         Revert:
23486         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
23487
23488         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
23489
23490 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
23491
23492         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
23493         Change int to HOST_WIDE_INT.
23494         * config/aarch64/aarch64-protos.h
23495         (aarch64_simd_gen_const_vector_dup): Likewise.
23496         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
23497
23498 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
23499
23500         * langhooks-def.h (lhd_type_for_size): New decl.
23501         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
23502         * langhooks.c (lhd_type_for_size): New function, taken from
23503         lto_type_for_size.
23504
23505 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
23506
23507         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
23508         define_bypass for CR latency.
23509         (power9-cracked-alu): Update bypass latency and remove power9-branch.
23510         (power9-alu2): Add define_bypass for CR latency.
23511         (power9-cmp): New.
23512         (power9-mul): Update insn latency.
23513         (power9-mul-compare): Update insn latency, bypass latency and remove
23514         power9-branch.
23515
23516 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23517
23518         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
23519         Delete.
23520         * config/aarch64/aarch64.md
23521         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
23522         aarch64_nopcrelative_literal_loads.
23523         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
23524
23525 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
23526
23527         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
23528         TARGET_LOONGSON_3A.
23529         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
23530
23531 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
23532
23533         PR target/78176
23534         * config.gcc (supported_defaults): Add lxc1-sxc1.
23535         (with_lxc1_sxc1): Add validation.
23536         (all_defaults): Add lxc1-sxc1.
23537         * config/mips/mips.opt (mlxc1-sxc1): New option.
23538         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
23539         mlxc1-sxc1.
23540         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
23541         __mips_no_lxc1_sxc1.
23542         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
23543         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
23544         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
23545
23546 2017-01-19  Richard Biener  <rguenther@suse.de>
23547
23548         PR tree-optimization/72488
23549         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
23550         sure to restore SSA info.
23551         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
23552
23553 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
23554
23555         PR rtl-optimization/79121
23556         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
23557         of the inner type when shifting an extended value.
23558
23559 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
23560
23561         PR lto/78407
23562         * symtab.c (symtab_node::equal_address_to): Fix comparing of
23563         interposable aliases.
23564
23565 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
23566
23567         PR target/78516
23568         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
23569         Use the evmergelohi instruction.
23570         (mov_si<mode>_e500_subreg4_2_le): Likewise.
23571         (mov_sitf_e500_subreg8_2_be): Likewise.
23572         (mov_sitf_e500_subreg12_2_le): Likewise.
23573         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
23574         (mov_si<mode>_e500_subreg4_2_be): Likewise.
23575         (mov_sitf_e500_subreg8_2_le): Likewise.
23576         (mov_sitf_e500_subreg12_2_be): Likewise.
23577
23578 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23579
23580         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
23581         attribute from vecsimple to vecperm.
23582         (altivec_vbpermq2): Likewise.
23583
23584 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23585
23586         PR target/79040
23587         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
23588
23589 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23590         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
23591         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
23592         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
23593         case where N arg is SIZE_MAX.
23594         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
23595         (cmpstrsi): Add pattern.
23596
23597 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
23598
23599         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
23600         __builtin_vec_revb builtins.
23601         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
23602         built-in functions to support generation of the ISA 3.0 XXBR<x>
23603         vector byte reverse instructions.
23604         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
23605         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
23606         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
23607         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
23608         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
23609         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
23610         (P9V_BUILTIN_VEC_REVB): Likewise.
23611         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
23612         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
23613         (p9_xxbrq_v16qi): Likewise.
23614         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
23615         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
23616         (p9_xxbrh_v8hi): Likewise.
23617         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
23618         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
23619         vec_revb built-in functions.
23620
23621 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
23622
23623         PR rtl-optimization/78952
23624         * config/i386/i386.md (any_extract): New code iterator.
23625         (*insvqi_2): Use any_extract for source operand.
23626         (*insvqi_3): Use any_shiftrt for source operand.
23627
23628 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
23629
23630         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
23631         New function.
23632         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
23633
23634 2017-01-18  Matthias Klose  <doko@ubuntu.com>
23635
23636         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
23637
23638 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23639
23640         * config/rs6000/altivec.h (vec_bperm): Change #define.
23641         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
23642         (altivec_vbpermq2): New define_insn.
23643         (altivec_vbpermd): Likewise.
23644         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
23645         function interface.
23646         (VBPERMD): Likewise.
23647         (VBPERM): New polymorphic function interface.
23648         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
23649         Add entries for P9V_BUILTIN_VEC_VBPERM.
23650         * doc/extend.texi: Add interfaces for vec_bperm.
23651
23652 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23653
23654         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
23655         first letter of error messages.
23656         (s390_resolve_overloaded_builtin): Likewise.
23657         * config/s390/s390.c (s390_expand_builtin): Likewise.
23658         (s390_invalid_arg_for_unprototyped_fn): Likewise.
23659         (s390_valid_target_attribute_inner_p): Likewise.
23660         * config/s390/s390.md ("tabort"): Likewise.
23661
23662 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
23663
23664         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
23665         (ISA_AVOID_DIV_HILO): New macro.
23666         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
23667         (ISA_HAS_DDIV): Likewise.
23668
23669 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23670
23671         * doc/invoke.texi (fabi-version): Correct number of occurrences.
23672
23673 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23674
23675         * doc/invoke.texi (fabi-version): Spelling fix.
23676
23677 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23678
23679         PR c++/70182
23680         * doc/invoke.texi (fabi-version): Mention mangling fix for
23681         operator names.
23682
23683 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
23684
23685         PR c++/77489
23686         * doc/invoke.texi (fabi-version): Document discriminator mangling.
23687
23688 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
23689
23690         PR target/78875
23691         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
23692         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
23693         the new options.
23694         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
23695         flexible settings.
23696         (stack_protect_test): Ditto.
23697         * config/rs6000/rs6000.opt (mstack-protector-guard=,
23698         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
23699         options.
23700         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
23701         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
23702         -mstack-protector-guard-offset=.
23703         (RS/6000 and PowerPC Options): Ditto.
23704
23705 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
23706
23707         * config/i386/i386.h (MASK_CLASS_P): New define.
23708         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
23709         there are no registers from different register sets also when
23710         mask registers are used.  Update function comment.
23711         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
23712         to (*k/*r) and (*k/*km) alternatives.
23713
23714 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
23715
23716         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
23717         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
23718         (EH_RETURN_HANDLER_RTX): New define.
23719         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
23720         Force frame pointer in EH return functions.
23721         (aarch64_expand_epilogue): Add barrier for eh_return.
23722         (aarch64_final_eh_return_addr): Remove.
23723         (aarch64_eh_return_handler_rtx): New function.
23724         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
23725         Remove.
23726         (aarch64_eh_return_handler_rtx): New prototype.
23727
23728 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23729
23730         * config/rs6000/altivec.h (vec_rlmi): New #define.
23731         (vec_vrlnm): Likewise.
23732         (vec_rlnm): Likewise.
23733         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
23734         (UNSPEC_VRLNM): Likewise.
23735         (VIlong): New mode iterator.
23736         (altivec_vrl<VI_char>mi): New define_insn.
23737         (altivec_vrl<VI_char>nm): Likewise.
23738         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
23739         function entry.
23740         (VRLDNM): Likewise.
23741         (RLNM): New polymorphic function entry.
23742         (VRLWMI): New monomorphic function entry.
23743         (VRLDMI): Likewise.
23744         (RLMI): New polymorphic function entry.
23745         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
23746         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
23747         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
23748         vec_vrlnm.
23749
23750 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
23751
23752         PR debug/78839
23753         * dwarf2out.c (field_byte_offset): Restore the
23754         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
23755         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
23756         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
23757         of build2 + fold.
23758
23759 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
23760
23761         PR ada/67205
23762         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
23763
23764 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
23765
23766         PR debug/71669
23767         * dwarf2out.c (add_data_member_location_attribute): For constant
23768         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
23769         instead of DW_AT_data_member_location, DW_AT_bit_offset and
23770         DW_AT_byte_size attributes.
23771
23772 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
23773
23774         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
23775         after forcing to constant memory when the code model is medium.
23776
23777 2017-01-17  Julia Koval  <julia.koval@intel.com>
23778
23779         PR target/76731
23780         * config/i386/avx512fintrin.h
23781         (_mm512_i32gather_ps): Change __addr type to void const*.
23782         (_mm512_mask_i32gather_ps): Ditto.
23783         (_mm512_i32gather_pd): Ditto.
23784         (_mm512_mask_i32gather_pd): Ditto.
23785         (_mm512_i64gather_ps): Ditto.
23786         (_mm512_mask_i64gather_ps): Ditto.
23787         (_mm512_i64gather_pd): Ditto.
23788         (_mm512_mask_i64gather_pd): Ditto.
23789         (_mm512_i32gather_epi32): Ditto.
23790         (_mm512_mask_i32gather_epi32): Ditto.
23791         (_mm512_i32gather_epi64): Ditto.
23792         (_mm512_mask_i32gather_epi64): Ditto.
23793         (_mm512_i64gather_epi32): Ditto.
23794         (_mm512_mask_i64gather_epi32): Ditto.
23795         (_mm512_i64gather_epi64): Ditto.
23796         (_mm512_mask_i64gather_epi64): Ditto.
23797         (_mm512_i32scatter_ps): Change __addr type to void*.
23798         (_mm512_mask_i32scatter_ps): Ditto.
23799         (_mm512_i32scatter_pd): Ditto.
23800         (_mm512_mask_i32scatter_pd): Ditto.
23801         (_mm512_i64scatter_ps): Ditto.
23802         (_mm512_mask_i64scatter_ps): Ditto.
23803         (_mm512_i64scatter_pd): Ditto.
23804         (_mm512_mask_i64scatter_pd): Ditto.
23805         (_mm512_i32scatter_epi32): Ditto.
23806         (_mm512_mask_i32scatter_epi32): Ditto.
23807         (_mm512_i32scatter_epi64): Ditto.
23808         (_mm512_mask_i32scatter_epi64): Ditto.
23809         (_mm512_i64scatter_epi32): Ditto.
23810         (_mm512_mask_i64scatter_epi32): Ditto.
23811         (_mm512_i64scatter_epi64): Ditto.
23812         (_mm512_mask_i64scatter_epi64): Ditto.
23813         * config/i386/avx512pfintrin.h
23814         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
23815         (_mm512_mask_prefetch_i32gather_ps): Ditto.
23816         (_mm512_mask_prefetch_i64gather_pd): Ditto.
23817         (_mm512_mask_prefetch_i64gather_ps): Ditto.
23818         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
23819         (_mm512_prefetch_i32scatter_ps): Ditto.
23820         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
23821         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
23822         (_mm512_prefetch_i64scatter_pd): Ditto.
23823         (_mm512_prefetch_i64scatter_ps): Ditto.
23824         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
23825         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
23826         * config/i386/avx512vlintrin.h
23827         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
23828         (_mm_mmask_i32gather_ps): Ditto.
23829         (_mm256_mmask_i32gather_pd): Ditto.
23830         (_mm_mmask_i32gather_pd): Ditto.
23831         (_mm256_mmask_i64gather_ps): Ditto.
23832         (_mm_mmask_i64gather_ps): Ditto.
23833         (_mm256_mmask_i64gather_pd): Ditto.
23834         (_mm_mmask_i64gather_pd): Ditto.
23835         (_mm256_mmask_i32gather_epi32): Ditto.
23836         (_mm_mmask_i32gather_epi32): Ditto.
23837         (_mm256_mmask_i32gather_epi64): Ditto.
23838         (_mm_mmask_i32gather_epi64): Ditto.
23839         (_mm256_mmask_i64gather_epi32): Ditto.
23840         (_mm_mmask_i64gather_epi32): Ditto.
23841         (_mm256_mmask_i64gather_epi64): Ditto.
23842         (_mm_mmask_i64gather_epi64): Ditto.
23843         (_mm256_i32scatter_ps): Change __addr type to void*.
23844         (_mm256_mask_i32scatter_ps): Ditto.
23845         (_mm_i32scatter_ps): Ditto.
23846         (_mm_mask_i32scatter_ps): Ditto.
23847         (_mm256_i32scatter_pd): Ditto.
23848         (_mm256_mask_i32scatter_pd): Ditto.
23849         (_mm_i32scatter_pd): Ditto.
23850         (_mm_mask_i32scatter_pd): Ditto.
23851         (_mm256_i64scatter_ps): Ditto.
23852         (_mm256_mask_i64scatter_ps): Ditto.
23853         (_mm_i64scatter_ps): Ditto.
23854         (_mm_mask_i64scatter_ps): Ditto.
23855         (_mm256_i64scatter_pd): Ditto.
23856         (_mm256_mask_i64scatter_pd): Ditto.
23857         (_mm_i64scatter_pd): Ditto.
23858         (_mm_mask_i64scatter_pd): Ditto.
23859         (_mm256_i32scatter_epi32): Ditto.
23860         (_mm256_mask_i32scatter_epi32): Ditto.
23861         (_mm_i32scatter_epi32): Ditto.
23862         (_mm_mask_i32scatter_epi32): Ditto.
23863         (_mm256_i32scatter_epi64): Ditto.
23864         (_mm256_mask_i32scatter_epi64): Ditto.
23865         (_mm_i32scatter_epi64): Ditto.
23866         (_mm_mask_i32scatter_epi64): Ditto.
23867         (_mm256_i64scatter_epi32): Ditto.
23868         (_mm256_mask_i64scatter_epi32): Ditto.
23869         (_mm_i64scatter_epi32): Ditto.
23870         (_mm_mask_i64scatter_epi32): Ditto.
23871         (_mm256_i64scatter_epi64): Ditto.
23872         (_mm256_mask_i64scatter_epi64): Ditto.
23873         (_mm_i64scatter_epi64): Ditto.
23874         (_mm_mask_i64scatter_epi64): Ditto.
23875         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
23876         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
23877         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
23878         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
23879         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
23880         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
23881         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
23882         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
23883         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
23884         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
23885         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
23886         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
23887         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
23888         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
23889         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
23890         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
23891         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
23892         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
23893         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
23894         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
23895         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
23896         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
23897         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
23898         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
23899         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
23900         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
23901         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
23902         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
23903         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
23904         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
23905         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
23906         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
23907         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
23908         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
23909         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
23910         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
23911         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
23912         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
23913         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
23914         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
23915         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
23916         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
23917         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
23918         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
23919         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
23920         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
23921         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
23922         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
23923         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
23924         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
23925         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
23926         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
23927         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
23928         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
23929         definitions accordingly.
23930
23931 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
23932             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
23933
23934         PR target/79079
23935         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
23936         gen_lowpart.
23937
23938 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
23939
23940         PR target/79058
23941         * ira-conflicts.c (ira_build_conflicts): Update total conflict
23942         hard regs for inner regno.
23943
23944 2017-01-17  Martin Liska  <mliska@suse.cz>
23945
23946         PR ipa/71207
23947         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
23948         assumption and add comment.
23949
23950 2017-01-17  Nathan Sidwell  <nathan@acm.org>
23951
23952         * ipa-visibility.c (localize_node): New function, broken out of ...
23953         (function_and_variable_visibility): ... here. Call it.
23954
23955 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
23956
23957         PR middle-end/77445
23958         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
23959         correctly set frequency of oudgoing edge.
23960         (duplicate_thread_path): Fix profile updating.
23961
23962 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
23963
23964         PR other/79046
23965         * configure.ac: Add GCC_BASE_VER.
23966         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
23967         version from BASE-VER file.
23968         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
23969         (gcc.o): Depend on $(BASEVER).
23970         * common.opt (dumpfullversion): New option.
23971         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
23972         * doc/invoke.texi: Document -dumpfullversion.
23973         * doc/install.texi: Document --with-gcc-major-version-only.
23974         * configure: Regenerated.
23975
23976 2017-01-17  Richard Biener  <rguenther@suse.de>
23977
23978         PR tree-optimization/71433
23979         * tree-vrp.c (register_new_assert_for): Merge same asserts
23980         on all incoming edges.
23981         (process_assert_insertions_for): Handle insertions at the
23982         beginning of BBs.
23983
23984 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
23985
23986         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
23987         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
23988
23989 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
23990
23991         PR target/78633
23992         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
23993         RTL sharing.
23994
23995 2017-01-17  Alan Modra  <amodra@gmail.com>
23996
23997         PR target/79066
23998         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
23999         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
24000         symbolic stack limit when pic.
24001
24002 2017-01-16  Martin Sebor  <msebor@redhat.com>
24003
24004         PR tree-optimization/78608
24005         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
24006
24007 2017-01-16  Jeff Law  <law@redhat.com>
24008
24009         Revert:
24010         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
24011         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
24012         for several include directories that may be relative to sysroot.
24013         * config/i386/x-mingw32 (gplus_includedir): Define.
24014         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
24015         (native_system_includedir): Likewise.
24016         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
24017         override if TARGET_SYSTEM_ROOT is defined.
24018         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
24019
24020         PR tree-optimization/79090
24021         PR tree-optimization/33562
24022         PR tree-optimization/61912
24023         PR tree-optimization/77485
24024         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
24025         and computed trims into the dump file.
24026
24027 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24028
24029         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
24030
24031 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
24032
24033         PR c/79089
24034         * gimplify.c (gimplify_init_constructor): If want_value and
24035         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
24036         fix.
24037
24038         PR target/79080
24039         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
24040         sequence.  Formatting fixes.
24041         (doloop_optimize): Formatting fixes.
24042
24043         PR driver/49726
24044         * gcc.c (debug_level_greater_than_spec_func): New function.
24045         (static_spec_functions): Add debug-level-gt spec function.
24046         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
24047         !g0.
24048         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24049         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
24050         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
24051         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
24052         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
24053         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
24054
24055 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
24056
24057         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
24058         QImode fixups to general and mask registers only.
24059
24060 2017-01-16  Carl Love  <cel@us.ibm.com>
24061
24062         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
24063         for built-in functions
24064         vector signed char vec_nabs (vector signed char)
24065         vector signed short vec_nabs (vector signed short)
24066         vector signed int vec_nabs (vector signed int)
24067         vector signed long long vec_nabs (vector signed long long)
24068         vector float vec_nabs (vector float)
24069         vector double vec_nabs (vector double)
24070         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
24071         and NABS overload.
24072         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
24073         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
24074         * doc/extend.texi: Update the documentation file for the new built-in
24075         functions.
24076
24077 2017-01-16  Martin Sebor  <msebor@redhat.com>
24078
24079         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
24080         message.
24081
24082 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24083
24084         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
24085         UNSPEC_VSX__XXSPLTD to require special splat handling.
24086
24087 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
24088
24089         PR bootstrap/78616
24090         * system.h: Poison strndup.
24091
24092 2017-01-16  Alan Modra  <amodra@gmail.com>
24093
24094         PR target/79098
24095         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
24096         use a switch.
24097
24098 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
24099
24100         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
24101
24102 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
24103
24104         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
24105         call recog here.  Assert that INSN_CODE (insn) is non-negative.
24106
24107 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24108
24109         PR target/72749
24110         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
24111         fallthrough.
24112         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
24113         in the currently scheduled RTL fragment.
24114
24115 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
24116
24117         PR rtl-optimization/78751
24118         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
24119         give up.
24120
24121 2017-01-14  Jeff Law  <law@redhat.com>
24122
24123         PR tree-optimization/79090
24124         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
24125         variable length stores.
24126         (compute_trims): Delete dead assignment to *trim_tail.
24127         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
24128         zero length.
24129
24130 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
24131
24132         PR rtl-optimization/78626
24133         PR rtl-optimization/78727
24134         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
24135         of a block, and split such blocks after everything else is finished.
24136
24137 2017-01-14  Alan Modra  <amodra@gmail.com>
24138
24139         PR target/72749
24140         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
24141         target legitimate_combined_insn.
24142         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
24143         (rs6000_legitimate_combined_insn): New function.
24144         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
24145         all uses.
24146         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
24147         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
24148         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
24149
24150 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
24151
24152         * doc/frontends.texi (G++ and GCC): Remove references to Java.
24153
24154 2017-01-13  Jeff Law  <law@redhat.com>
24155
24156         PR tree-optimization/33562
24157         PR tree-optimization/61912
24158         PR tree-optimization/77485
24159         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
24160         a statement.
24161         (delete_dead_assignment): Likewise.
24162         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
24163         statement to delete_dead_call and delete_dead_assignment.
24164
24165 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
24166
24167         PR c/78304
24168         * substring-locations.c (format_warning_va): Strengthen case 1 so
24169         that both endpoints of the substring must be within the format
24170         range for just the substring to be printed.
24171
24172 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
24173
24174         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
24175         * config/i386/i386.c (ix86_target_string): Add missing options
24176         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
24177         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
24178         flags_other and ix86_target_other to flags2_other.  Display unknown
24179         isa2 options.
24180         (ix86_valid_target_attribute_inner_p): Add missing options and
24181         reorder options by implied ISAs, as in ix86_target_string.
24182
24183 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
24184
24185         * hash-table.h (hash_table::too_empty_p): New function.
24186         (hash_table::expand): Use it.
24187         (hash_table::traverse): Likewise.
24188         (hash_table::empty_slot): Use sizeof (value_type) instead of
24189         sizeof (PTR) to convert bytes to elements.  Shrink the table
24190         if the current size is excessive for the current number of
24191         elements.
24192
24193 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
24194
24195         * ira-costs.c (record_reg_classes): Break from the inner loop
24196         early once alt_fail is known to be true.  Update outer loop
24197         handling accordingly.
24198
24199 2017-01-13  Jeff Law  <law@redhat.com>
24200
24201         * tree-ssa-dse.c (decrement_count): New function.
24202         (increment_start_addr, maybe_trim_memstar_call): Likewise.
24203         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
24204         when we know the partially dead statement is a mem* function.
24205
24206         PR tree-optimization/61912
24207         PR tree-optimization/77485
24208         * tree-ssa-dse.c: Include expr.h.
24209         (maybe_trim_constructor_store): New function.
24210         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
24211
24212         PR tree-optimization/33562
24213         PR tree-optimization/61912
24214         PR tree-optimization/77485
24215         * doc/invoke.texi: Document new dse-max-object-size param.
24216         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
24217         * tree-ssa-dse.c: Include params.h.
24218         (dse_store_status): New enum.
24219         (initialize_ao_ref_for_dse): New, partially extracted from
24220         dse_optimize_stmt.
24221         (valid_ao_ref_for_dse, normalize_ref): New.
24222         (setup_live_bytes_from_ref, compute_trims): Likewise.
24223         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
24224         (maybe_trim_partially_dead_store): Likewise.
24225         (maybe_trim_complex_store): Likewise.
24226         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
24227         Track what bytes live from the original store.  Return tri-state
24228         for dead, partially dead or live.
24229         (dse_dom_walker): Add constructor, destructor and new private members.
24230         (delete_dead_call, delete_dead_assignment): New extracted from
24231         dse_optimize_stmt.
24232         (dse_optimize_stmt): Make a member of dse_dom_walker.
24233         Use initialize_ao_ref_for_dse.
24234
24235         PR tree-optimization/33562
24236         PR tree-optimization/61912
24237         PR tree-optimization/77485
24238         * sbitmap.h (bitmap_count_bits): Prototype.
24239         (bitmap_clear_range, bitmap_set_range): Likewise.
24240         * sbitmap.c (bitmap_clear_range): New function.
24241         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
24242
24243 2017-01-13  Martin Liska  <mliska@suse.cz>
24244
24245         PR ipa/79043
24246         * function.c (set_cfun): Add new argument force.
24247         * function.h (set_cfun): Likewise.
24248         * ipa-inline-transform.c (inline_call): Use the function when
24249         strict alising from is dropped for function we inline to.
24250
24251 2017-01-13  Richard Biener  <rguenther@suse.de>
24252
24253         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
24254         for dumping GIMPLE INTEGER_CSTs.
24255
24256 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24257
24258         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
24259         to 201112L since C++17.
24260
24261 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
24262
24263         PR sanitizer/78887
24264         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
24265         if -fsanitize=kernel-address is present.
24266
24267 2017-01-13  Richard Biener  <rguenther@suse.de>
24268
24269         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
24270         as _Literal ( type ) number in case usual suffixes do not
24271         preserve all information.
24272
24273 2017-01-13  Richard Biener  <rguenther@suse.de>
24274
24275         PR tree-optimization/77283
24276         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
24277         and ssa-iterators.h.
24278         (is_feasible_trace): Implement a cost model based on joiner
24279         PHI node uses.
24280
24281 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
24282
24283         PR target/79004
24284         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
24285         char or short to __float128/_Float128 directly.
24286
24287 2017-01-12  Martin Sebor  <msebor@redhat.com>
24288
24289         to -Wformat-overflow.
24290         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
24291         (min_bytes_remaining): Same.
24292         (get_string_length): Same.
24293         (format_string): Same.
24294         (format_directive): Same.
24295         (add_bytes): Same.
24296         (pass_sprintf_length::handle_gimple_call): Same.
24297
24298 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
24299
24300         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
24301         info.nowrite calls with no lhs that can't throw.  Return bool
24302         whether gsi_remove has been called or not.
24303         (pass_sprintf_length::handle_gimple_call): Return bool whether
24304         try_substitute_return_value called gsi_remove.  Formatting fix.
24305         (pass_sprintf_length::execute): Don't use gsi_remove if
24306         handle_gimple_call returned true.
24307
24308         PR bootstrap/79069
24309         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
24310         be removed due to side-effects, don't remove following barrier nor
24311         turn the successor edge into fallthru edge.
24312
24313 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24314
24315         PR target/79044
24316         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
24317         element-reversing loads and stores as not swappable.
24318
24319 2017-01-12  Nathan Sidwell  <nathan@acm.org>
24320             Nicolai Stange  <nicstange@gmail.com>
24321
24322         * combine.c (try_combine): Don't ignore result of overlap checking
24323         loop.  Combine overlap & asm check into single loop.
24324
24325 2017-01-12  Richard Biener  <rguenther@suse.de>
24326
24327         * tree-pretty-print.c (dump_generic_node): Provide -gimple
24328         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
24329
24330 2017-01-12  Richard Biener  <rguenther@suse.de>
24331
24332         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
24333         and TS_TARGET_OPTION directly derive from TS_BASE.
24334         * tree-core.h (tree_optimization_option): Derive from tree_base.
24335         (tree_target_option): Likewise.
24336
24337 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
24338
24339         * config/i386/i386.c (memory_address_length): Increase len
24340         only when rip_relative_addr_p returns false.
24341
24342 2017-01-11  Julia Koval  <julia.koval@intel.com>
24343
24344         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
24345         (OPTION_MASK_ISA_SGX_SET): New.
24346         (ix86_handle_option): Handle OPT_msgx.
24347         * config.gcc: Added sgxintrin.h.
24348         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
24349         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
24350         * config/i386/i386.c (ix86_target_string): Add -msgx.
24351         (PTA_SGX): New.
24352         (ix86_option_override_internal): Handle new options.
24353         (ix86_valid_target_attribute_inner_p): Add sgx.
24354         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
24355         * config/i386/i386.opt: Add msgx.
24356         * config/i386/sgxintrin.h: New file.
24357         * config/i386/x86intrin.h: Add sgxintrin.h.
24358
24359 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
24360
24361         PR c++/71537
24362         * fold-const.c (maybe_nonzero_address): Return 1 for function
24363         local objects.
24364         (tree_single_nonzero_warnv_p): Don't handle function local objects
24365         here.
24366
24367         PR c++/72813
24368         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
24369         of c-header.
24370
24371 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
24372
24373         PR driver/78877
24374         * opts.c: Include "spellcheck.h"
24375         (struct string_fragment): New struct.
24376         (struct edit_distance_traits<const string_fragment &>): New
24377         struct.
24378         (get_closest_sanitizer_option): New function.
24379         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
24380
24381 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
24382
24383         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
24384         by 12.
24385         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
24386         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
24387         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
24388         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
24389         for initial die_offset if dwarf_split_debug_info.
24390         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
24391         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
24392         fields.
24393         (output_skeleton_debug_sections): Formatting fix.  Use
24394         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
24395         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
24396
24397 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
24398
24399         * config/arm/cortex-a53.md: Add bypasses for
24400         cortex_a53_r2f_cvt.
24401         (cortex_a53_r2f): Only use for transfers.
24402         (cortex_a53_f2r): Likewise.
24403         (cortex_a53_r2f_cvt): Add reservation for conversions.
24404         (cortex_a53_f2r_cvt): Likewise.
24405
24406 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
24407
24408         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
24409         to all inlined functions, change static to extern.
24410
24411 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
24412
24413         PR target/78253
24414         * config/arm/arm.c (legitimize_pic_address): Handle reference to
24415         weak symbol.
24416         (arm_assemble_integer): Likewise.
24417
24418 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
24419
24420         * config.gcc: Use new awk script to check CPU, FPU and architecture
24421         parameters for --with-... options.
24422         * config/arm/parsecpu.awk: New file
24423         * config/arm/arm-cpus.in: New file.
24424         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
24425         files.
24426         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
24427         files.
24428         * config/arm/t-arm: Update dependency rules.
24429         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
24430         of processing .def files.
24431         * config/arm/genopt.sh: Deleted.
24432         * config/arm/gentune.sh: Deleted.
24433         * config/arm/arm-cores.def: Deleted.
24434         * config/arm/arm-arches.def: Deleted.
24435         * config/arm/arm-fpus.def: Deleted.
24436         * config/arm/arm-tune.md: Regenerated.
24437         * config/arm/arm-tables.opt: Regenerated.
24438         * config/arm/arm-cpu.h: New generated file.
24439         * config/arm/arm-cpu-data.h: New generated file.
24440         * config/arm/arm-cpu-cdata.h: New generated file.
24441
24442 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
24443
24444         PR lto/79042
24445         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
24446         bit.
24447         (input_varpool_node): Unpack dynamically_initialized bit.
24448
24449 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
24450
24451         PR rtl-optimization/79032
24452         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
24453         the alignment of the adjusted memory reference against that of MODE,
24454         instead of the alignment of the original memory reference.
24455
24456 2017-01-11  Martin Jambor  <mjambor@suse.cz>
24457
24458         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
24459         test.
24460         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
24461         decorated functions.
24462
24463 2017-01-11  Richard Biener  <rguenther@suse.de>
24464
24465         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
24466         set range/nonnull info for PHI results.  Do not set it on
24467         stmts marked for removal.
24468
24469 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
24470
24471         * expr.c (store_field): In the bitfield case, fetch the return value
24472         from the registers before applying a single big-endian adjustment.
24473         Always do a final load for a BLKmode value not larger than a word.
24474
24475 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
24476
24477         PR c++/77949
24478         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
24479         that we correctly handle column numbers greater than
24480         LINE_MAP_MAX_COLUMN_NUMBER.
24481
24482 2017-01-10  Martin Sebor  <msebor@redhat.com>
24483
24484         PR middle-end/78245
24485         * gimple-ssa-sprintf.c (get_destination_size): Call
24486         {init,fini}object_sizes.
24487         * tree-object-size.c (addr_object_size): Adjust.
24488         (pass_through_call): Adjust.
24489         (pass_object_sizes::execute): Adjust.
24490         * tree-object-size.h (fini_object_sizes): Declare.
24491
24492 2017-01-10  Martin Sebor  <msebor@redhat.com>
24493
24494         PR tree-optimization/78775
24495         * builtins.c (get_size_range): Move...
24496         * calls.c: ...to here.
24497         (alloc_max_size): Accept zero argument.
24498         (operand_signed_p): Remove.
24499         (maybe_warn_alloc_args_overflow): Call get_size_range.
24500         * calls.h (get_size_range): Declare.
24501
24502 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
24503
24504         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
24505         from TI's devices.csv file as of September 2016.
24506         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
24507
24508 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
24509
24510         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
24511         * doc/invoke.texi: Likewise.
24512         * doc/md.texi: Likewise.
24513         * doc/objc.texi: Likewise.
24514
24515 2017-01-10  Joshua Conner  <joshconner@google.com>
24516
24517         * config/arm/fuchsia-elf.h: New file.
24518         * config/fuchsia.h: New file.
24519         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
24520         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
24521         targets.
24522         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
24523
24524 2016-01-10  Richard Biener  <rguenther@suse.de>
24525
24526         PR tree-optimization/79034
24527         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
24528         Propagate out degenerate PHIs in the joiner.
24529
24530 2017-01-10  Martin Liska  <mliska@suse.cz>
24531
24532         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
24533         (sort_congruence_classes_by_decl_uid): Likewise.
24534         (sort_congruence_class_groups_by_decl_uid): Likewise.
24535         (sem_item_optimizer::merge_classes): Sort class, groups in these
24536         classes and members in the groups by DECL_UID of declarations.
24537         This would make merge operations stable.
24538
24539 2017-01-10  Martin Liska  <mliska@suse.cz>
24540
24541         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
24542         usage of m_classes_vec.
24543         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
24544         (sem_item_optimizer::get_group_by_hash): Likewise.
24545         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
24546         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
24547         (sem_item_optimizer::verify_classes): Likewise.
24548         (sem_item_optimizer::process_cong_reduction): Likewise.
24549         (sem_item_optimizer::dump_cong_classes): Likewise.
24550         (sem_item_optimizer::merge_classes): Likewise.
24551         * ipa-icf.h (congruence_class_hash): Rename from
24552         congruence_class_group_hash.  Remove declaration of m_classes_vec.
24553
24554 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
24555
24556         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
24557         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
24558         * config.gcc: Add avx512vpopcntdqintrin.h.
24559         * config/i386/avx512vpopcntdqintrin.h: New.
24560         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
24561         * config/i386/i386-builtin-types.def: Add new types.
24562         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
24563         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
24564         __builtin_ia32_vpopcountq_v8di_mask): New.
24565         * config/i386/i386-c.c (ix86_target_macros_internal): Define
24566         __AVX512VPOPCNTDQ__.
24567         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
24568         (PTA_AVX512VPOPCNTDQ): Define.
24569         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
24570         TARGET_AVX512VPOPCNTDQ_P): Define.
24571         * config/i386/i386.opt: Add mavx512vpopcntdq.
24572         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
24573         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
24574
24575 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
24576
24577         PR middle-end/77484
24578         * predict.def (PRED_CALL): Set to 67.
24579
24580 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
24581
24582         * expr.c (store_field): In the bitfield case, if the value comes from
24583         a function call and is of an aggregate type returned in registers, do
24584         not modify the field mode; extract the value in all cases if the mode
24585         is BLKmode and the size is not larger than a word.
24586
24587 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
24588
24589         PR target/71017
24590         * config/i386/cpuid.h: Fix undefined behavior.
24591
24592 2017-01-04  Jeff Law  <law@redhat.com>
24593
24594         PR tree-optimization/79007
24595         PR tree-optimization/67955
24596         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
24597         conservative for pt.null when flag_non_call_exceptions is on.
24598
24599 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
24600
24601         PR translation/79019
24602         PR translation/79020
24603         * params.def (PARAM_INLINE_MIN_SPEEDUP,
24604         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
24605         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
24606         in descriptions.
24607         * config/avr/avr.opt (maccumulate-args): Likewise.
24608         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
24609         * common.opt (freport-bug): Likewise.
24610         * cif-code.def (CIF_FINAL_ERROR): Likewise.
24611         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
24612         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
24613         translatable string.
24614         * config/i386/i386.c (function_value_32): Likewise.
24615         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
24616         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
24617         Likewise.
24618         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
24619         * common/config/msp430/msp430-common.c (msp430_handle_option):
24620         Likewise.
24621         * symtab.c (symtab_node::verify_base): Likewise.
24622         * opts.c (set_debug_level): Likewise.
24623         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
24624         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
24625         missing whitespace to translatable strings.
24626         * config/avr/avr.md (bswapsi2): Fix typo in comment.
24627         * config/sh/superh.h: Likewise.
24628         * config/i386/xopintrin.h: Likewise.
24629         * config/i386/znver1.md: Likewise.
24630         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
24631         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
24632         * double-int.h (struct double_int): Likewise.
24633         * double-int.c (div_and_round_double): Likewise.
24634         * wide-int.cc: Likewise.
24635         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
24636         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
24637         * cfgcleanup.c (crossjumps_occured): Renamed to ...
24638         (crossjumps_occurred): ... this.
24639         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
24640         Adjust all uses.
24641
24642         PR tree-optimization/78899
24643         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
24644         returning bool return struct loop *, NULL for failure and the new
24645         loop on success.
24646         (versionable_outer_loop_p): Don't version outer loop if it has
24647         dont_vectorized bit set.
24648         (tree_if_conversion): When versioning outer loop, ensure
24649         tree_if_conversion is performed also on the inner loop of the
24650         non-vectorizable outer loop copy.
24651         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
24652         LOOP_VECTORIZED in inner loop of the scalar outer loop and
24653         prevent vectorization of it.
24654         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
24655         the outer loop vectorization of the non-scalar version is attempted
24656         before vectorization of the inner loop in scalar version.  If
24657         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
24658         vectorization of its inner loop.
24659         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
24660         has 2 inner loops, rename also on edges from bb whose single pred
24661         is outer_loop->header.  Fix typo in function comment.
24662
24663 2017-01-09  Martin Sebor  <msebor@redhat.com>
24664
24665         PR bootstrap/79033
24666         * asan.c (asan_emit_stack_protection): Increase local buffer size
24667         to avoid snprintf truncation warning.
24668
24669 2017-01-09  Andrew Pinski  <apinski@cavium.com>
24670
24671         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
24672         to reference thunderx2t99 for the tuning structure
24673         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
24674         Rename to ...
24675         (thunderx2t99_extra_costs): This.
24676         * config/aarch64/aarch64-tune.md: Regenerate.
24677         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
24678         (vulcan_addrcost_table): This.
24679         (vulcan_regmove_cost): Rename to ...
24680         (thunderx2t99_regmove_cost): This.
24681         (vulcan_vector_cost): Rename to ...
24682         (thunderx2t99_vector_cost): this.
24683         (vulcan_branch_cost): Rename to ...
24684         (thunderx2t99_branch_cost): This.
24685         (vulcan_tunings): Rename to ...
24686         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
24687         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
24688
24689 2017-01-09  Martin Jambor  <mjambor@suse.cz>
24690
24691         PR ipa/78365
24692         PR ipa/78599
24693         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
24694         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
24695         (propagate_vr_accross_jump_function): Use the above function for all
24696         value range computations for pass-through jump functions and type
24697         converasion from explicit value range values.
24698         (ipcp_propagate_stage): Do not attempt to deduce types of formal
24699         parameters from TYPE_ARG_TYPES.
24700         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
24701         (ipa_write_node_info): Stream type of the actual argument.
24702         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
24703
24704 2017-01-09  Martin Liska  <mliska@suse.cz>
24705
24706         PR pch/78970
24707         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
24708         (lookup_compiler): Do not show error message with have_E.
24709
24710 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
24711
24712         PR tree-optimization/78938
24713         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
24714         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
24715         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
24716         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
24717         fixes.
24718
24719 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24720
24721         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
24722         is const0_rtx.
24723
24724 2017-01-09  Richard Biener  <rguenther@suse.de>
24725
24726         PR tree-optimization/78997
24727         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
24728         name condition properly.
24729
24730 2017-01-09  Richard Biener  <rguenther@suse.de>
24731
24732         PR debug/79000
24733         * dwarf2out.c (is_cxx): New overload with context.
24734         (is_naming_typedef_decl): Use it.
24735
24736 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
24737
24738         * invoke.texi (Option Summary): Correct spacing in option lists
24739         and add line breaks to fix over-long lines.
24740
24741 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
24742
24743         PR middle-end/17660
24744
24745         * extend.texi (Common Variable Attributes): Add xref to GCC
24746         Internals manual to explain mode attribute keywords.
24747
24748 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
24749
24750         PR other/16519
24751         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
24752         and Preprocessor Options.
24753         (Options for Linking): Document -pthread here....
24754         (RS/6000 and PowerPC Options): ...not here.
24755         (Solaris 2 Options): ...or here.
24756         * doc/cppopts.texi: Document -pthread.
24757
24758 2017-01-08  Martin Sebor  <msebor@redhat.com>
24759
24760         PR middle-end/77708
24761         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
24762         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
24763         New member functions.
24764         (format_directive): Used them.
24765         (add_bytes): Same.
24766         (pass_sprintf_length::handle_gimple_call): Same.
24767         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
24768         to avoid truncation for any argument.
24769         (extract_affine_mul): Same.
24770         * tree.c (get_file_function_name): Same.
24771
24772 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
24773
24774         PR middle-end/77484
24775         * predict.def (PRED_INDIR_CALL): Set to 86.
24776
24777 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
24778
24779         PR preprocessor/54124
24780         * doc/cppopts.texi: Reformat -d subtable to list the full name
24781         of the options.  Add cross-reference to the docs for the general
24782         compiler -d options.
24783         * doc/invoke.texi (Developer Options): Add cross-reference to the
24784         preprocessor-specific -d option documentation.
24785
24786 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
24787
24788         PR preprocessor/13498
24789         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
24790         redudant material, and reflect new command-line options.
24791         (System Headers): Likewise.
24792
24793 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
24794
24795         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
24796         -isystem, and -idirafter.  Copy-edit.
24797         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
24798         default for -ftrack-macro-expansion.  Delete obsolete and
24799         badly-formatted implementation details about -fdebug-cpp output.
24800         * doc/cppwarnopts.texi: Copy-edit.
24801
24802 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
24803
24804         PR c++/72803
24805         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
24806         that the transition from a max line width >= 1<<10 to narrower
24807         lines works correctly.
24808
24809 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
24810
24811         * doc/options.texi (PerFunction): New.
24812         * opt-functions.awk (switch_flags): Map both Optimization and
24813         PerFunction to CL_OPTIMIZATION.
24814         * opth-gen.awk: Test for PerFunction flag along with
24815         Optimization.
24816         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
24817         it only when the latter is present.  Skip those that don't in
24818         the hash function generator.
24819         * common.opt (fvar-tracking): Mark as PerFunction instead of
24820         Optimization.
24821         (fvar-tracking-assignments): Likewise.
24822         (fvar-tracking-assignments-toggle): Likewise.
24823         (fvar-tracking-uninit): Likewise.
24824
24825 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
24826
24827         PR translation/79018
24828         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
24829         the and store.
24830
24831 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
24832
24833         PR target/57583
24834         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
24835         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
24836         TARGET_LONG_JUMP_TABLE_OFFSETS.
24837         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
24838         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
24839         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
24840         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
24841         * config/m68k/m68k.md (tablejump expander): Likewise.
24842         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
24843         TARGET_LONG_JUMP_TABLE_OFFSETS.
24844         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
24845         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
24846
24847 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
24848             David Holsgrove <david.holsgrove@xilinx.com>
24849
24850         * common/config/microblaze/microblaze-common.c
24851         (TARGET_EXCEPT_UNWIND_INFO): Remove.
24852         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
24853         New prototype.
24854         * config/microblaze/microblaze.c (microblaze_must_save_register)
24855         (microblaze_expand_epilogue, microblaze_return_addr): Handle
24856         calls_eh_return.
24857         (microblaze_eh_return): New function.
24858         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
24859         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
24860         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
24861         * config/microblaze/microblaze.md (eh_return): New pattern.
24862
24863 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
24864
24865         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
24866         GCC_DIAGNOSTIC_STRINGIFY): Define.
24867
24868         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
24869
24870 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24871
24872         * config/arm/arm.md (<mcrr>): New.
24873         (<mrrc>): New.
24874         * config/arm/arm.c (arm_arch5te): New.
24875         (arm_option_override): Set arm_arch5te.
24876         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
24877         and mrrc2.
24878         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
24879         (arm_mcrr_qualifiers): ... this. New.
24880         (MRRC_QUALIFIERS): Define to...
24881         (arm_mrrc_qualifiers): ... this. New.
24882         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
24883         __arm_mrrc2): New.
24884         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
24885         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
24886         (MRRCI, mrrc, MRRC): New.
24887         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
24888         VUNSPEC_MRRC2): New.
24889
24890 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24891
24892         * config/arm/arm.md (<mcr>): New.
24893         (<mrc>): New.
24894         * config/arm/arm.c (arm_coproc_builtin_available): Add
24895         support for mcr, mrc, mcr2 and mrc2.
24896         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
24897         (arm_mcr_qualifiers): ... this. New.
24898         (MRC_QUALIFIERS): Define to ...
24899         (arm_mrc_qualifiers): ... this. New.
24900         (MCR_QUALIFIERS): Define to ...
24901         (arm_mcr_qualifiers): ... this. New.
24902         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
24903         __arm_mrc2): New.
24904         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
24905         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
24906         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
24907         VUNSPEC_MRC2): New.
24908
24909 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24910
24911         * config/arm/arm.md (*ldc): New.
24912         (*stc): New.
24913         (<ldc>): New.
24914         (<stc>): New.
24915         * config/arm/arm.c (arm_coproc_builtin_available): Add
24916         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
24917         (arm_coproc_ldc_stc_legitimate_address): New.
24918         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
24919         'qualifier_const_pointer'.
24920         (LDC_QUALIFIERS): Define to...
24921         (arm_ldc_qualifiers): ... this. New.
24922         (STC_QUALIFIERS): Define to...
24923         (arm_stc_qualifiers): ... this. New.
24924         * config/arm/arm-protos.h
24925         (arm_coproc_ldc_stc_legitimate_address): New.
24926         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
24927         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
24928         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
24929         stc2, stcl, stc2l): New.
24930         * config/arm/constraints.md (Uz): New.
24931         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
24932         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
24933         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
24934         VUNSPEC_STC2L): New.
24935
24936 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24937
24938         * config/arm/arm.md (<cdp>): New.
24939         * config/arm/arm.c (neon_const_bounds): Rename this ...
24940         (arm_const_bounds): ... this.
24941         (arm_coproc_builtin_available): New.
24942         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
24943         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
24944         (CDP_QUALIFIERS): Define to...
24945         (arm_cdp_qualifiers): ... this. New.
24946         (void_UP): Define.
24947         (arm_expand_builtin_args): Add case for 6 arguments.
24948         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
24949         (arm_const_bounds): ... this.
24950         (arm_coproc_builtin_available): New.
24951         * config/arm/arm_acle.h (__arm_cdp): New.
24952         (__arm_cdp2): New.
24953         * config/arm/arm_acle_builtins.def (cdp): New.
24954         (cdp2): New.
24955         * config/arm/iterators.md (CDPI,CDP,cdp): New.
24956         * config/arm/neon.md: Rename all 'neon_const_bounds' to
24957         'arm_const_bounds'.
24958         * config/arm/types.md (coproc): New.
24959         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
24960         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
24961         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
24962         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
24963
24964 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24965
24966         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
24967         (UBINOP_QUALIFIERS): New.
24968         (si_UP): Define.
24969         (acle_builtin_data): New. Change comment.
24970         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
24971         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
24972         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
24973         arm_acle_builtins.def.
24974         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
24975         (arm_init_acle_builtins): New.
24976         (CRC32_BUILTIN): Remove.
24977         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
24978         crc32cb, crc32ch and crc32cw.
24979         (arm_init_crc32_builtins): Remove.
24980         (arm_init_builtins): Use arm_init_acle_builtins rather
24981         than arm_init_crc32_builtins.
24982         (arm_expand_acle_builtin): New.
24983         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
24984         * config/arm/arm_acle_builtins.def: New.
24985
24986 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
24987
24988         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
24989         (arm_builtin_datum): ... this.
24990         (arm_init_neon_builtin): Rename to ...
24991         (arm_init_builtin): ... this. Add a new parameters PREFIX
24992         and USE_SIG_IN_NAME.
24993         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
24994         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
24995         'arm_builtin_datum'.
24996         (arm_init_vfp_builtins): Likewise.
24997         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
24998         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
24999         (arm_expand_neon_args): Rename to ...
25000         (arm_expand_builtin_args): ... this. Rename builtin_arg
25001         enum values and differentiate between ARG_BUILTIN_MEMORY
25002         and ARG_BUILTIN_NEON_MEMORY.
25003         (arm_expand_neon_builtin_1): Rename to ...
25004         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
25005         values, arm_expand_builtin_args and add bool parameter NEON.
25006         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
25007         (arm_expand_vfp_builtin): Likewise.
25008         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
25009
25010 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25011
25012         PR middle-end/77484
25013         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
25014         * predict.c (tree_estimate_probability_bb): Reverse direction of
25015         polymorphic call predictor.
25016
25017 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
25018
25019         * passes.c (execute_one_pass): Split out pass-skipping logic into...
25020         (determine_pass_name_match): ...this new function and...
25021         (should_skip_pass_p): ...this new function.
25022
25023 2017-01-06  Nathan Sidwell  <nathan@acm.org>
25024
25025         * ipa-visibility.c (function_and_variable_visibility): Reformat
25026         comments and long lines.  Remove extrneous if.
25027         * symtab.c (symtab_node::make_decl_local): Fix code format.
25028         (symtab_node::set_section_for_node): Fix comment typo.
25029
25030 2017-01-06  Martin Liska  <mliska@suse.cz>
25031
25032         PR bootstrap/79003
25033         * lra-constraints.c: Rename invariant to lra_invariant.
25034         * predict.c (set_even_probabilities): Initialize e to NULL.
25035
25036 2017-01-05  Martin Sebor  <msebor@redhat.com>
25037
25038         PR tree-optimization/78910
25039         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
25040         (format_integer): Correct off-by-one error in the handling
25041         of precision with negative numbers in signed conversions..
25042
25043 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
25044
25045         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
25046
25047 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25048
25049         PR tree-optimization/71016
25050         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
25051         factor_out_conditional_conversion.  Formatting fix.
25052         (factor_out_conditional_conversion): Add cond_stmt argument.
25053         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
25054         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
25055         Formatting fix.
25056
25057 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
25058
25059         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
25060         read-rtl-function.o, and selftest-rtl.o.
25061         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
25062         (selftest::aarch64_test_loading_full_dump): New function.
25063         (selftest::aarch64_run_selftests): New function.
25064         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
25065         selftest::aarch64_run_selftests.
25066         * config/i386/i386.c
25067         (selftest::ix86_test_loading_dump_fragment_1): New function.
25068         (selftest::ix86_test_loading_call_insn): New function.
25069         (selftest::ix86_test_loading_full_dump): New function.
25070         (selftest::ix86_test_loading_unspec): New function.
25071         (selftest::ix86_run_selftests): Call the new functions.
25072         * emit-rtl.c (maybe_set_max_label_num): New function.
25073         * emit-rtl.h (maybe_set_max_label_num): New decl.
25074         * function.c (instantiate_decls): Guard call to
25075         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
25076         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
25077         "static".
25078         * gensupport.c (gen_reader::gen_reader): Pass "false"
25079         for new "compact" param of rtx_reader.
25080         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
25081         rather than an empty string for NULL strings.
25082         * read-md.c: Potentially include config.h rather than bconfig.h.
25083         Wrap include of errors.h with #ifdef GENERATOR_FILE.
25084         (have_error): New global, copied from errors.c.
25085         (md_reader::read_name): Rename to...
25086         (md_reader::read_name_1): ...this, adding "out_loc" param,
25087         and converting "missing name or number" to returning false, rather
25088         than failing.
25089         (md_reader::read_name): Reimplement in terms of read_name_1.
25090         (md_reader::read_name_or_nil): New function.
25091         (md_reader::read_string): Handle "(nil)" by returning NULL.
25092         (md_reader::md_reader): Add new param "compact".
25093         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
25094         (md_reader::read_file): New method.
25095         * read-md.h (md_reader::md_reader): Add new param "compact".
25096         (md_reader::read_file): New method.
25097         (md_reader::is_compact): New accessor.
25098         (md_reader::read_name): Convert return type from void to file_location.
25099         (md_reader::read_name_or_nil): New decl.
25100         (md_reader::read_name_1): New decl.
25101         (md_reader::m_compact): New field.
25102         (noop_reader::noop_reader): Pass "false" for new "compact" param
25103         of rtx_reader.
25104         (rtx_reader::rtx_reader): Add new "compact" param.
25105         (rtx_reader::read_rtx_operand): Make virtual and convert return
25106         type from void to rtx.
25107         (rtx_reader::read_until): New decl.
25108         (rtx_reader::handle_any_trailing_information): New virtual function.
25109         (rtx_reader::postprocess): New virtual function.
25110         (rtx_reader::finalize_string): New virtual function.
25111         (rtx_reader::m_in_call_function_usage): New field.
25112         (rtx_reader::m_reuse_rtx_by_id): New field.
25113         * read-rtl-function.c: New file.
25114         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
25115         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
25116         (selftest::verify_three_block_rtl_cfg): New decl.
25117         * read-rtl-function.h: New file.
25118         * read-rtl.c: Potentially include config.h rather than bconfig.h.
25119         For host, include function.h, memmodel.h, and emit-rtl.h.
25120         (one_time_initialization): New function.
25121         (struct compact_insn_name): New struct.
25122         (compact_insn_names): New array.
25123         (find_code): Handle insn codes in compact dumps.
25124         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
25125         (bind_subst_iter_and_attr): Likewise.
25126         (add_condition_to_string): Likewise.
25127         (add_condition_to_rtx): Likewise.
25128         (apply_attribute_uses): Likewise.
25129         (add_current_iterators): Likewise.
25130         (apply_iterators): Likewise.
25131         (initialize_iterators): Guard usage of apply_subst_iterator with
25132         #ifdef GENERATOR_FILE.
25133         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
25134         (md_reader::read_mapping): Likewise.
25135         (add_define_attr_for_define_subst): Likewise.
25136         (add_define_subst_attr): Likewise.
25137         (read_subst_mapping): Likewise.
25138         (check_code_iterator): Likewise.
25139         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
25140         logic to...
25141         (one_time_initialization): New function.
25142         (rtx_reader::read_until): New method.
25143         (read_flags): New function.
25144         (parse_reg_note_name): New function.
25145         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
25146         Handle reuse_rtx ids.
25147         Wrap iterator lookup within #ifdef GENERATOR_FILE.
25148         Add parsing support for RTL dumps, mirroring the special-cases in
25149         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
25150         values, and calling handle_any_trailing_information.
25151         (rtx_reader::read_rtx_operand): Convert return type from void
25152         to rtx, returning return_rtx.  Handle case 'e'.  Call
25153         finalize_string on XSTR and XTMPL fields.
25154         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
25155          "(nil)" values were omitted.  Call the postprocess vfunc on the
25156         return_rtx.
25157         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
25158         class ctor.  Initialize m_in_call_function_usage.  Call
25159         one_time_initialization.
25160         * rtl-tests.c (selftest::test_uncond_jump): Call
25161         set_new_first_and_last_insn.
25162         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
25163         * selftest-rtl.c: New file.
25164         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
25165         (selftest::get_insn_by_uid): New decl.
25166         * selftest-run-tests.c (selftest::run_tests): Call
25167         read_rtl_function_c_tests.
25168         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
25169         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
25170         dumps.
25171
25172 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
25173
25174         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
25175         operands in a special way.  Assert that pos+len <= mode precision.
25176
25177 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
25178
25179         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
25180         3 argument Alias with unlimited for the negative form.
25181         (fno-vect-cost-model): Removed.
25182
25183 2017-01-05  Martin Liska  <mliska@suse.cz>
25184
25185         * hsa-gen.c (gen_hsa_divmod): New function.
25186         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
25187
25188 2017-01-05  Martin Liska  <mliska@suse.cz>
25189
25190         PR pch/78970
25191         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
25192         header.
25193
25194 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25195
25196         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
25197         small constant length operands.
25198
25199 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
25200
25201         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
25202         between loop iterations.
25203
25204 2017-01-05  Martin Liska  <mliska@suse.cz>
25205
25206         PR sanitizer/78815
25207         * gimplify.c (gimplify_decl_expr): Compare to
25208         asan_poisoned_variables instread of checking flags.
25209         (gimplify_target_expr): Likewise.
25210         (gimplify_expr): Likewise.
25211         (gimplify_function_tree): Conditionally initialize
25212         asan_poisoned_variables.
25213
25214 2017-01-04  Jeff Law  <law@redhat.com>
25215
25216         PR tree-optimizatin/78812
25217         * rtl.h (contains_mem_rtx_p): Prototype.
25218         * ifcvt.c (containts_mem_rtx_p): Move from here to...
25219         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
25220         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
25221         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
25222         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
25223
25224 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25225
25226         * input.c (assert_char_at_range): Default-initialize actual_range.
25227
25228 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25229
25230         * df-scan.c (df_ref_create_structure): Make regno unsigned,
25231         to match the caller.
25232
25233 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25234
25235         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
25236         insns after final jump in test to emit dummy move.
25237
25238 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25239
25240         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
25241         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
25242
25243 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
25244
25245         * multiple_target.c (create_dispatcher_calls): Init e_next.
25246         * tree-ssa-loop-split.c (split_loop): Init border.
25247         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
25248         scalar_type.
25249
25250 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
25251
25252         PR target/71977
25253         PR target/70568
25254         PR target/78823
25255         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
25256         (altivec_register_operand): Do not return true if the operand
25257         contains a SUBREG mixing SImode and SFmode.
25258         (vsx_register_operand): Likewise.
25259         (vsx_reg_sfsubreg_ok): New predicate.
25260         (vfloat_operand): Do not return true if the operand contains a
25261         SUBREG mixing SImode and SFmode.
25262         (vint_operand): Likewise.
25263         (vlogical_operand): Likewise.
25264         (gpc_reg_operand): Likewise.
25265         (int_reg_operand): Likewise.
25266         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
25267         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
25268         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
25269         SImode and SFmode.
25270         (rs6000_emit_move_si_sf_subreg): New helper function.
25271         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
25272         fixup SUBREGs involving SImode and SFmode.
25273         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
25274         numbers for the new peephole2 optimization.
25275         (peephole2 for SFmode unions): New peephole2 to optimize cases in
25276         the GLIBC math library that do AND/IOR/XOR operations on single
25277         precision floating point.
25278         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
25279         target macros to say whether we need to avoid SUBREGs mixing
25280         SImode and SFmode.
25281         (TARGET_ALLOW_SF_SUBREG): Likewise.
25282         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
25283         (UNSPEC_SI_FROM_SF): Likewise.
25284         (iorxor): Change spacing.
25285         (and_ior_xor): New iterator for AND, IOR, and XOR.
25286         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
25287         (movdi_from_sf_zero_ext): Likewise.
25288         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
25289         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
25290         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
25291         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
25292         (fms<mode>4): Likewise.
25293         (fnma<mode>4): Likewise.
25294         (fnms<mode>4): Likewise.
25295         (nfma<mode>4): Likewise.
25296         (nfms<mode>4): Likewise.
25297
25298 2017-01-04  Marek Polacek  <polacek@redhat.com>
25299
25300         PR c++/64767
25301         * doc/invoke.texi: Document -Wpointer-compare.
25302
25303 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25304
25305         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
25306         RejectNegative.
25307
25308         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
25309         descriptions for -gdwarf-5 and emit them as uleb128 instead of
25310         2-byte data.
25311
25312 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
25313
25314         PR target/78056
25315         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
25316         documentation of the powerpc_popcntb_ok attribute.
25317         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
25318         code to issue warning messages if a requested CPU configuration is
25319         not supported by the binary (assembler and loader) toolchain.
25320         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
25321         made to define a built-in function that has been disabled.
25322         (paired_init_builtins): Add assertion to prevent ICE if attempt is
25323         made to define a built-in function that has been disabled.
25324         (altivec_init_builtins): Add comment explaining why definition
25325         of the DST built-in functions is not preceded by an assertion
25326         check.  Add assertions to prevent ICE if attempts are made to
25327         define an altivec predicate or an abs* built-in function that has
25328         been disabled.
25329         (htm_init_builtins): Add comment explaining why definition of the
25330         htm built-in functions is not preceded by an assertion check.
25331
25332 2017-01-04  Jeff Law  <law@redhat.com>
25333
25334         PR tree-optimizatin/67955
25335         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
25336         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
25337         the points-to solution does not include pt_null.  Use DECL_PT_UID
25338         unconditionally.
25339
25340 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
25341
25342         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
25343         Use gen_int_mode instead of gen_lopwart for const_int operands.
25344
25345 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25346
25347         PR tree-optimization/71563
25348         * match.pd: Simplify X << Y into X if Y is known to be 0 or
25349         out of range value - has low bits known to be zero.
25350
25351 2017-01-04  Alan Modra  <amodra@gmail.com>
25352
25353         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
25354         * configure: Regenerate.
25355         * config.in: Regenerate.
25356
25357 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
25358
25359         PR bootstrap/77569
25360         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
25361         a substring of the message, but strcmp with the whole message.  Ifdef
25362         ENABLE_NLS, translate the message first using dgettext.
25363
25364 2017-01-03  Jeff Law  <law@redhat.com>
25365
25366         PR tree-optimizatin/78856
25367         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
25368         (mark_threaded_blocks): Remove code to truncate thread paths that
25369         cross multiple loop headers.  Instead invalidate the cached loop
25370         iteration information and handle case of a thread path walking
25371         into an irreducible region.
25372
25373 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
25374
25375         PR target/78900
25376         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
25377         assertions.  Add support for doing the signbit if the IEEE 128-bit
25378         floating point value is in a GPR.
25379         * config/rs6000/rs6000.md (Fsignbit): Delete.
25380         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
25381         Update the length attribute if the value is in a GPR.
25382         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
25383         the sign or zero extension instruction, since the value is always 0/1.
25384         (signbit<mode>2_dm2): Delete using <Fsignbit>.
25385
25386         PR target/78953
25387         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
25388         extracting SImode to a GPR register so that we can generate a
25389         store, limit the vector to be in a traditional Altivec register
25390         for the vextuwrx instruction.
25391
25392 2017-01-03  Ian Lance Taylor  <iant@google.com>
25393
25394         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
25395
25396 2017-01-03  Martin Sebor  <msebor@redhat.com>
25397
25398         PR tree-optimization/78696
25399         * gimple-ssa-sprintf.c (format_floating): Correct handling of
25400         precision.  Use MPFR for %f for greater fidelity.  Correct handling
25401         of %g.
25402         (pass_sprintf_length::compute_format_length): Set width and precision
25403         specified by asrerisk to void_node for vararg functions.
25404         (try_substitute_return_value): Adjust dump output.
25405
25406 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
25407
25408         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
25409
25410 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
25411
25412         * doc/invoke.texi (SPARC options): Document -mlra as the default.
25413         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
25414         -mlra/-mno-lra was passed to the compiler.
25415
25416 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
25417
25418         PR rtl-optimization/65618
25419         * emit-rtl.c (try_split): Move initialization of "before" and
25420         "after" to just before the call to emit_insn_after_setloc.
25421
25422 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
25423
25424         * doc/md.texi (Standard Names): Remove reference to Java frontend.
25425
25426 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
25427
25428         * dwarf2out.c (gen_enumeration_type_die): When
25429         -gno-strict-dwarf, add a DW_AT_encoding attribute.
25430
25431 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
25432
25433         PR tree-optimization/78965
25434         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
25435         Change first argument from const call_info & to call_info &.  For %n
25436         set info.nowrite to false.
25437
25438         PR middle-end/78901
25439         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
25440         possibly throwing calls.
25441
25442         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
25443         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
25444         and fns handling, rather than in a separate case SSA_NAME.
25445
25446 2017-01-02  Jeff Law  <law@redhat.com>
25447
25448         * config/darwin-driver.c (darwin_driver_init): Const-correctness
25449         fixes for first_period and second_period variables.
25450
25451 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
25452
25453         PR target/78967
25454         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
25455         (*insvqi_1): New insn pattern.
25456         (*insvqi_1_mem_rex64): Ditto.
25457         (*insvqi_2): Ditto.
25458         (*insvqi_3): Rename from *insvqi.
25459
25460         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
25461
25462 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
25463
25464         * doc/cfg.texi (Edges): Remove reference to Java.
25465         (Maintaining the CFG): Ditto.
25466
25467 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25468
25469         PR middle-end/77674
25470         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
25471         transparent aliases.
25472
25473 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25474
25475         PR middle-end/77484
25476         * predict.def (PRED_CALL): Update hitrate.
25477         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
25478         * predict.c (tree_estimate_probability_bb): Split CALL predictor
25479         into direct/indirect/polymorphic variants.
25480
25481 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
25482
25483         Update copyright years.
25484
25485         * gcc.c (process_command): Update copyright notice dates.
25486         * gcov-dump.c (print_version): Ditto.
25487         * gcov.c (print_version): Ditto.
25488         * gcov-tool.c (print_version): Ditto.
25489         * gengtype.c (create_file): Ditto.
25490         * doc/cpp.texi: Bump @copying's copyright year.
25491         * doc/cppinternals.texi: Ditto.
25492         * doc/gcc.texi: Ditto.
25493         * doc/gccint.texi: Ditto.
25494         * doc/gcov.texi: Ditto.
25495         * doc/install.texi: Ditto.
25496         * doc/invoke.texi: Ditto.
25497 \f
25498 Copyright (C) 2017 Free Software Foundation, Inc.
25499
25500 Copying and distribution of this file, with or without modification,
25501 are permitted in any medium without royalty provided the copyright
25502 notice and this notice are preserved.